CN110380519A - A kind of wireless charging system and its charging method of pacemaker - Google Patents
A kind of wireless charging system and its charging method of pacemaker Download PDFInfo
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- CN110380519A CN110380519A CN201910797088.7A CN201910797088A CN110380519A CN 110380519 A CN110380519 A CN 110380519A CN 201910797088 A CN201910797088 A CN 201910797088A CN 110380519 A CN110380519 A CN 110380519A
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- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 4
- 238000009826 distribution Methods 0.000 claims description 38
- 230000005611 electricity Effects 0.000 claims description 28
- 230000006837 decompression Effects 0.000 claims description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 238000009413 insulation Methods 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims 1
- 238000009825 accumulation Methods 0.000 abstract description 8
- 230000007812 deficiency Effects 0.000 abstract description 4
- 238000011017 operating method Methods 0.000 abstract description 2
- 206010014357 Electric shock Diseases 0.000 description 6
- 230000000747 cardiac effect Effects 0.000 description 6
- 238000004040 coloring Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 4
- 210000002837 heart atrium Anatomy 0.000 description 3
- 230000000977 initiatory effect Effects 0.000 description 3
- 210000004165 myocardium Anatomy 0.000 description 3
- 208000001871 Tachycardia Diseases 0.000 description 2
- 206010003119 arrhythmia Diseases 0.000 description 2
- 230000006793 arrhythmia Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001225 therapeutic effect Effects 0.000 description 2
- 238000010977 unit operation Methods 0.000 description 2
- 206010050202 Carotid sinus syndrome Diseases 0.000 description 1
- 206010019280 Heart failures Diseases 0.000 description 1
- 206010020565 Hyperaemia Diseases 0.000 description 1
- 206010049447 Tachyarrhythmia Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001746 atrial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
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- 230000005986 heart dysfunction Effects 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/362—Heart stimulators
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/372—Arrangements in connection with the implantation of stimulators
- A61N1/378—Electrical supply
- A61N1/3787—Electrical supply from an external energy source
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Cardiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electrotherapy Devices (AREA)
Abstract
The present invention a kind of wireless charging system and its charging method of pacemaker, comprising: wireless charging transmitting unit, wireless charging receiving unit and positioning device；The wireless charging transmitting unit is set to human external, and the wireless charging receiving unit is set to inside of human body, and is electrically connected with pacemaker；The wireless charging transmitting unit provides electric energy to the wireless charging receiving unit in such a way that electromagnetic induction couples；It is designed by accurate location structure and operating method, so that the efficiency of wireless charging greatly improves, using the voltage difference words theory design of structure design and accumulation of energy and the power supply of battery pack, to the electromagnetic interference under pacemaker normal voltage environment when greatly reducing wireless charging operation, the system structure is simple, design original part is few, reduces the wearing burden of patient, avoids the various deficiencies for cutting open the chest to replace battery.
Description
Technical field
The present invention relates to pacemaker charging technique field, the wireless charging system of especially a kind of pacemaker and
Its charging method.
Background technique
Existing cardiac pacing system mainly includes two parts: impulse generator and electrode cable often send out pulse
Raw device is individually referred to as pacemaker, and pacing system still has other than above-mentioned pacing function and is back to heart itself electrocardio-activity
The perceptional function of impulse generator；
Pacemaker is mainly made of power supply and electronic circuit, can produce and export electric pulse；Electrode cable has insulation outside being
The conductive metal wire of layer package, function are the electric pulse of pacemaker to be transmitted to heart, and the intracavitary electrocardiogram of heart is passed
The defeated perception route to pacemaker；
The pulse current of certain frequency is provided in impulse generator timing, is transferred to what electrode was contacted by conducting wire and electrode
Myocardium (atrium or ventricle), makes local myocardial cell be generated excitement by external electro photoluminescence, and connect by intercellular gap
It connects or intercalated disc is connected and conducted to surrounding myocardium, lead to entire atrium or ventricle excitement and and then generate contraction movement；
Pacemaker is implanted in intracorporal electronic therapeutic instrument as one kind, is mentioned by impulse generator granting by battery
For the electric pulse of energy, by the conduction of lead electrode, the cardiac muscle that stimulating electrode is contacted makes heart excitement and shrinks, thus
Achieve the purpose that treatment due to certain arrhythmia caused heart dysfunctions.First pacemaker is implanted into people within 1958
Since body, pacemaker manufacturing technology and technique are fast-developing, and function is gradually improved.Retarder theory is successfully being treated using pacemaker
Arrhythmia cordis, while saved thousands of patient vitals, pacemaker also starts to be applied to tachyarrhythmia and the non-heart
Electrical disease such as prevents paroxysmal atrial tachyarrhythmias, carotid sinus syncope, the drug refractory hyperemia of dual chamber synchronous therapeutic
Heart failure etc.；
Pacemaker is installed near human body atrium by way of operation, and battery, which is typically only capable to reach, uses 8-10
Year, after battery capacity is used up, the effect of pulse electric shock will not be had, battery, this measure meeting pair are only replaced by way of operation
Patient brings secondary actual bodily harm；
And pacemaker is during the work time, usually in order to avoid the passive state of dead battery capability, and actively
It performs the operation, replaces battery in advance, this measure greatly reduces the practical effect of battery again；
Must perform the operation the deficiency that can be replaced to solve battery, reduce it is secondary caused by human body starts formula injury, it is existing
Have in technology, there are a kind of patent of invention of Implanted cardiac pacemaker wireless charging system, publication No.s are as follows:
CN109728632A, the patent are acted on by external wireless charging transmitting module and built-in charging circuit control module, are reached
To wireless charging, without the technological progress of taking-up, but there are biggish technological deficiencies for the patent Theoretical Design, such as:
1. the invention is increased by the first, second receiving module of design, the mode of corresponding first, second battery module
The volume for having added implantation, brings great inconvenience to patient；
2. the charge frequency of the invention is close with battery working frequency, during wireless charging, easily initiation electromagnetism is dry
It disturbs, in turn results in the malfunction or failure of pacemaker；
3. the invention does not design valid wireless charging structure, theoretical explanation is not also comprehensive, is unable to reach actual nothing
The rigors that line charge electricity is adjusted the distance；
4. the invention during wireless charging, does not consider the possible electric shock effect of human body, does not have safe charging
Upper design.
Summary of the invention
In order to solve the above technical problem, the present invention provides a kind of wireless charging system of pacemaker and its charging sides
Method, is designed and operating method by accurate location structure, so that the efficiency of wireless charging greatly improves, using the knot of battery pack
Structure design and the voltage difference words theory design of accumulation of energy and power supply, to pacemaker when greatly reducing wireless charging operation
Electromagnetic interference under normal voltage environment, the system structure is simple, and design original part is few, reduces the wearing burden of patient, avoids
It cuts open the chest to replace the various deficiencies of battery.
A kind of wireless charging system of pacemaker, comprising: wireless charging transmitting unit, wireless charging receiving unit with
And positioning device；The wireless charging transmitting unit is set to human external, and the wireless charging receiving unit is set to human body
Inside, and be electrically connected with pacemaker；The wireless charging transmitting unit is in such a way that electromagnetic induction couples to the nothing
Line charge electricity receiving unit provides electric energy；The wireless charging receiving unit is used to power to pacemaker；
Further, the wireless charging transmitting unit includes: mission controller, transmitting coil, power supply；The hair
The one end for penetrating controller is electrically connected with one end of the power supply, the other end of the mission controller and the transmitting coil
One end electrical connection；
Illustrate as an example, the mission controller includes: single-chip microcontroller one, current rectifying and wave filtering circuit, inverter circuit, hair
Penetrate resonant element and compensation network；The single-chip microcontroller one is for controlling the current rectifying and wave filtering circuit, inverter circuit, transmitting resonance
The work of unit and compensation network；
Further, one end of the current rectifying and wave filtering circuit is electrically connected with one end of the inverter circuit, the inversion electricity
The other end on road is electrically connected with one end of the transmitting resonant element, the other end and the compensation net of the transmitting resonant element
One end of network is electrically connected；After the power supply flows into the mission controller, pass through its internal rectifying and wave-filtering electricity
Road converts alternating current to direct current, and direct current is again high-frequency alternating current through the inverter circuit inversion, then through the transmitting
Resonant element carries out boost operations, eventually becomes the alternating current of high-frequency and high-voltage, then the hair is applied to after the compensation network
On ray circle；
Illustrate as an example, the effect of the compensation network is the coupled capacitor C and inductance L to transmitting resonant element
Between the LC resonance that is formed be tuned, to improve transimission power and efficiency；
Illustrate as a kind of applicating example, Voltage Series resonance compensation structure or current parallel can be used in the compensation network
One of resonance compensation structure or combination；
Illustrate as an example, the power supply is industrial frequency AC alternating current；
Illustrate as an example, be provided with insulation cover plate outside the transmitting coil, is used for human skin and transmitting
Coil carries out insulation and separates, to prevent human electric shock；
Illustrate as an example, is provided with loophole among the insulation cover plate；
Further, the wireless charging receiving unit includes: to receive controller, receiving coil, battery pack and direct current
Pressure unit；One end of the receiving coil is electrically connected with described one end for receiving controller, described to receive the another of controller
End is electrically connected with one end of the battery pack, and the other end of the battery pack is electrically connected with one end of the DC decompression unit；
The other end of the DC decompression unit is electrically connected with one end of the pacemaker；
Illustrate as an example, the reception controller include: single-chip microcontroller two, receive resonant element, rectification unit with
And selection switch block；The single-chip microcontroller two is used to control and receive resonant element, rectification unit and the work for selecting switch block
Make；
Illustrate as an example, is unlikely to guarantee to be implanted into the intrathoracic wireless charging receiving unit volume of user
Excessive, component used by the wireless charging receiving unit is SMD components；
Further, described one end for receiving resonant element is electrically connected with one end of the receiving coil, and the reception is humorous
The other end of vibration unit is electrically connected with one end of the rectification unit, the other end of the rectification unit and the selection switching group
One end of part is electrically connected；Rectification unit is used to the alternating current that the reception resonant element transmitting comes becoming direct current, and conveys
Charging operation to the battery pack, for battery pack；The single-chip microcontroller one can be wirelessly communicated with single-chip microcontroller two, and single-chip microcontroller one can
It communicates and provides electricity using battery pack reverse-conducting rectification unit and resonant element to the contraposition signal of single-chip microcontroller two for receiving coil
Can, externally emit alternating current magnetic field signal；
Illustrate as an example, the battery pack preferred battery quantity is 2 groups, and every group of battery is provided with wireless signal
Transmitting unit launches outward low battery signal, can pass through the monolithic when the voltage of any group of battery is lower than setting value
Machine one receives, and prompts on the display screen that corresponding wireless charging transmitting unit carries；
Illustrate as an example, the work-based logic of the selection switch block is set as, and selects any one group of battery, is
Pacemaker provides work energy, is pacemaker power supply by battery two when one electricity of battery is lower than setting value, on the contrary
It is then opposite；When battery one, which connects DC decompression unit, provides operating voltage for pacemaker, battery two and DC decompression list
Member disconnects, while conducting with the rectification unit；Similarly, DC decompression unit is connected when battery two to provide for pacemaker
When work energy, battery one and DC decompression unit are disconnected, i.e., are formed and opened a way with pacemaker, at the same battery one with it is described whole
Stream unit conducts；
Illustrate as an example, the rated operational voltage of the battery one and battery two is 30V, is dropped by the direct current
After pressure unit is reduced to 12V, work energy is provided for pacemaker, this measure effectively avoids electricity when wireless charging work
The excessively high electromagnetic interference caused by normal pacemaker of grade is pressed, i.e., with the grade for the operating voltage for being higher than pacemaker
The accumulation of energy charging for carrying out the battery pack, then in the state of low-voltage, low EMI, is depressured by DC decompression unit
After battery pack, pacemaker of powering greatly reduces pacemaker because what the electromagnetic interference of wireless charging caused delays work
State；The electric current that the benefit of raising wireless charging voltage generates when also transmitting equal-wattage is small, and receiving coil can be used thinner
Line footpath reduces whole implantation volume；
Illustrate as an example, the rated operational voltage of the battery one and battery two should ensure that in following sections:
It should be less than human safety voltage 36V, and be greater than pacemaker operating voltage；
Further, the positioning device includes: field coil, Distribution of Magnetic Field bag, locating rod and positioning lamp；The magnetic
Field coil is used to position the magnetic line of force point of field coil for generating the vertically magnetic line of force with human body chest, the Distribution of Magnetic Field bag
Cloth, the locating rod leave one on human body and press dent mark for pressing Distribution of Magnetic Field bag, the positioning lamp for pair
The quasi- marking, that realizes the transmitting coil and receiving coil precisely aligns operation, while reaching efficient wireless charging, greatly
The external electromagnetic interference to pacemaker that transmitting coil dislocation causes is reduced greatly；
Illustrate as an example, the area of the Distribution of Magnetic Field bag is greater than the surface area of the field coil；
Illustrate as an example, the field coil can directly adopt receiving coil or with concentric new of receiving coil
Loop construction；
Illustrate as an example, the center of the transmitting coil is arranged in the positioning lamp, launches outward a branch of
Red visible, the launch angle of light are vertical with the transmitting coil plane；
Illustrate as a kind of applicating example, the Distribution of Magnetic Field bag is a tiling, double-deck and all round closure transparent modeling
Material unit is built-in with metal iron powder；The metal iron powder can move freely in plastic-enclosed unit；
Illustrate as an example, for the ease of observing the center of transmitting coil, the coloring of the metal iron powder is answered
It is different from the skin color of user, advantageous observation is formed with human skin and compares；Such as: yellow is in use, metallic iron
Powder should be the coloring of the non-yellow such as black；Black people in use, metal iron powder should be the non-blacks such as white coloring, and so on；
A kind of wireless charging method of pacemaker, including following technical step:
Step 1: the wireless signal transmitting unit when battery pack emits signal, it is single when deposit electricity being prompted to be lower than setting value
Piece machine one receives the signal, and prompts on the display screen that corresponding wireless charging transmitting unit carries, and user sees electricity
After too low prompt, wireless charging operation is actively carried out；
Illustrate as an example, in order to preferably prompt user, other than display screen shows charge prompting, the nothing
Line charge electricity transmitting unit can also prompt user's low battery, need operation of charging by way of audible alarm is arranged；
Step 2: user controls wireless charging receiving unit by wireless charging transmitting unit, alternating current magnetic field letter is issued
Number, Distribution of Magnetic Field bag is covered at user's heart at this time, because the distribution of alternating current magnetic field signal is referred to contrast reception
The center of coil, the metal iron powder in Distribution of Magnetic Field bag are distributed by the magnetic field power of alternating current magnetic field, navigate to receiving coil
Center；
Illustrate as an example, the auxiliary observation that user can be reflected by mirror or pass through other people, it is easy to
It observes the Distribution of Magnetic Field of metal iron powder in Distribution of Magnetic Field bag, and finds the center of receiving coil；
Illustrate as a kind of applicating example, user is left by built-in metal iron powder in advance when using Distribution of Magnetic Field bag
Right shaking, until metal iron powder is evenly laid out；
Step 3: the center of the receiving coil navigated to by Distribution of Magnetic Field bag is pressed using locating rod, in user
It is left on skin after pressing trace, removes Distribution of Magnetic Field bag, by the way of positioning lamp point of irradiation impression mark, auxiliary transmission coil
Center is directed at this and presses trace；Until the insulation cover plate of transmitting coil is bonded user's skin；
Illustrate as an example, the insulation cover plate of the transmitting coil, at cover board plane and user's cardiac position
The mode of keeping parallelism carries out aligned beneath operation, and alignment result is best；
Illustrate as an example, the locating rod can be pressed using finger, left nail and pressed trace；
Step 4: user opens wireless charging transmitting unit charge switch, charge to wireless charging receiving unit
Operation prompts deposit electricity to expire, completes at this time until wireless charging transmitting unit receives the wireless signal of battery pack transmitting
Wireless charging operation.
The utility model has the advantages that
The present invention is designed using the structure of flexible supply voltage difference, by the slightly higher voltage reserve for accumulation of energy of charging, then
The mode of low-voltage power supply forms the different brackets of pacemaker operating voltage and accumulation of energy charging voltage, effectively reduces wireless
It charges and the battery of pacemaker is interfered；
The perspective positioning alignment link for devising wireless charging of the present invention, effectively reduces the mistake of transmitting coil
The interference exception to pacemaker of contraposition and initiation, while improving the feasibility of pacemaker wireless charging and filling
Electrical efficiency；
Insulation cover plate design of the invention, greatly improves the safety coefficient of user, reducing wireless charging process can
The electric shock risk that can cause；
Detailed description of the invention
Fig. 1 is a kind of theory structure schematic diagram of the wireless charging system of pacemaker of the present invention
Fig. 2 is a kind of mission controller of the wireless charging system of pacemaker of the present invention and the work for receiving controller
Relation schematic diagram
Specific embodiment
Lower following will be combined with the drawings in the embodiments of the present invention, to the technical solution in the prior art and the embodiment of the present invention
It is clearly and completely described, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole
Embodiment；Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
With reference to figures 1 through shown in Fig. 2, a kind of wireless charging system of pacemaker, comprising: wireless charging transmitting is single
Member, wireless charging receiving unit and positioning device 101；The wireless charging transmitting unit is set to human external, the nothing
Line charge electricity receiving unit is set to inside of human body, and is electrically connected with pacemaker 102；The wireless charging transmitting unit passes through
The mode of electromagnetic induction coupling provides electric energy to the wireless charging receiving unit；The wireless charging receiving unit is for centripetal
Dirty pacemaker 102 is powered；
Further, the wireless charging transmitting unit includes: mission controller 103, transmitting coil 104, power supply
105；One end of the mission controller 103 is electrically connected with one end of the power supply 105, the mission controller 103
The other end is electrically connected with one end of the transmitting coil 104；
Illustrate as an example, the mission controller 103 includes: single-chip microcontroller 1, current rectifying and wave filtering circuit 202, inverse
Power transformation road 203, transmitting resonant element 204 and compensation network 205；It is included: to state single-chip microcontroller 1 for controlling the rectification
Filter circuit 202, inverter circuit 203, the work for emitting resonant element 204 and compensation network 205；
Further, one end of the current rectifying and wave filtering circuit 202 is electrically connected with one end of the inverter circuit 203, described
The other end of inverter circuit 203 is electrically connected with one end of the transmitting resonant element 204, described to emit the another of resonant element 204
One end is electrically connected with one end of the compensation network 205；After the power supply 105 flows into mission controller 103, lead to
It crosses its internal described current rectifying and wave filtering circuit 202 and converts alternating current to direct current, direct current is inverse through the inverter circuit 203 again
Become high-frequency alternating current, then carries out boost operations through the transmitting resonant element 204, eventually become the exchange of high-frequency and high-voltage
Electricity, then be applied on the transmitting coil 104 after the compensation network 205；
Illustrate as an example, the effect of the compensation network 205 is the coupled capacitor C to transmitting resonant element 204
The LC resonance formed between inductance L is tuned, to improve transimission power and efficiency；
Illustrate as a kind of applicating example, Voltage Series resonance compensation structure or electric current can be used in the compensation network 205
One of parallel resonance collocation structure or combination；
Illustrate as an example, the power supply 105 is industrial frequency AC alternating current；
Illustrate as an example, be provided with insulation cover plate outside the transmitting coil 104, is used for human skin and hair
Ray circle 104 carries out insulation and separates, to prevent human electric shock；
Illustrate as an example, is provided with loophole among the insulation cover plate；
Further, the wireless charging receiving unit includes: to receive controller 106, receiving coil 107, battery pack 108
And DC decompression unit 109；One end of the receiving coil 107 is electrically connected with described one end for receiving controller 106, described
Receive controller 106 the other end be electrically connected with one end of the battery pack 108, the other end of the battery pack 108 with it is described
One end of DC decompression unit 109 is electrically connected；The other end of the DC decompression unit 109 and the pacemaker 102
One end electrical connection；
Illustrate as an example, the reception controller 106 includes: single-chip microcontroller 2 206, receives resonant element 207, is whole
Flow unit 208 and selection switch block 209；The single-chip microcontroller 2 206 is for controlling and receiving resonant element 207, rectification unit
208 and select switch block 209 work；
Illustrate as an example, is unlikely to guarantee to be implanted into the intrathoracic wireless charging receiving unit volume of user
Excessive, component used by the wireless charging receiving unit is SMD components；
Further, described one end for receiving resonant element 207 is electrically connected with one end of the receiving coil 107, described
The other end for receiving resonant element 207 is electrically connected with one end of the rectification unit 208, the other end of the rectification unit 208
It is electrically connected with one end of the selection switch block 209；Rectification unit 208 is used to transmit by the reception resonant element 207
Alternating current become direct current, and be conveyed to the battery pack 108, the charging operation for battery pack 108；The single-chip microcontroller one
201 can wirelessly communicate with single-chip microcontroller 2 206, and single-chip microcontroller 1, which can be communicated, aligns signal to single-chip microcontroller 2 206, utilize battery pack
108 reverse-conducting rectification units 208 and resonant element 207, provide electric energy for receiving coil 107, externally emit alternating current magnetic field letter
Number；
Illustrate as an example, the 108 preferred battery quantity of battery pack is 2 groups, and every group of battery is provided with wirelessly
Signal transmitter unit launches outward low battery signal when the voltage of any group of battery is lower than setting value, can be by described
Single-chip microcontroller 1 receives, and prompts on the display screen that corresponding wireless charging transmitting unit carries；
Illustrate as an example, the work-based logic of the selection switch block 209 is set as, and selects any one group of electricity
Pond provides work energy for pacemaker 102, is pacemaker by battery two when one electricity of battery is lower than setting value
Power supply, it is on the contrary then opposite；When it is that pacemaker 102 provides operating voltage that battery one, which connects DC decompression unit 109, battery
Two disconnect with DC decompression unit 109, while conducting with the rectification unit 208；Similarly, when battery two connects DC decompression
And cardiac pacing unit 109 is pacemaker 102 when providing work energy, and battery one and DC decompression unit 109 disconnect, i.e.,
Device 102 forms open circuit, while battery one is conducted with the rectification unit 208；
Illustrate as an example, the initial quantity of electricity of the battery one and battery two is full electricity；
Illustrate as an example, the rated operational voltage of the battery one and battery two is 30V, is dropped by the direct current
After pressure unit 109 is reduced to 12V, work energy is provided for pacemaker 102, this measure effectively avoids wireless charging work
When voltage class it is excessively high to electromagnetic interference caused by normal pacemaker 102, i.e., with the work for being higher than pacemaker 102
The grade for making voltage carries out the accumulation of energy charging of the battery pack 108, avoids the electromagnetic environment of 102 operating voltage of pacemaker,
Then in the state of low-voltage, low EMI, after being depressured battery pack by DC decompression unit 109, cardiac pacing of powering
Device 102 greatly reduces pacemaker 102 because the delaying work for electromagnetic interference initiation of wireless charging is posed；
Illustrate as an example, the rated operational voltage of the battery one and battery two should ensure that in following sections:
It should be less than human safety voltage 36V, and be greater than the operating voltage of pacemaker 102；
Further, the positioning device 101 includes: field coil, Distribution of Magnetic Field bag, locating rod and positioning lamp；Institute
It states field coil and is used to position the magnetic force of field coil for generating the vertically magnetic line of force with human body chest, the Distribution of Magnetic Field bag
Line distribution, the locating rod leave one on human body and press dent mark, the positioning lamp is used for pressing Distribution of Magnetic Field bag
In the alignment marking, that realizes the transmitting coil 104 and receiving coil 107 precisely aligns operation, reaches efficient wireless charging
While electric, the external electromagnetic interference to pacemaker 102 that the dislocation of transmitting coil 104 causes is greatly reduced；
Illustrate as an example, the area of the Distribution of Magnetic Field bag is greater than the surface area of the field coil；
Illustrate as an example, the field coil can directly adopt receiving coil 107 or coaxial with receiving coil 107
The new line coil structures of the heart；
Illustrate as an example, the center of the transmitting coil 104 is arranged in the positioning lamp, launches outward one
Beam red visible, the launch angle of light are vertical with 104 plane of transmitting coil；
Illustrate as a kind of applicating example, the Distribution of Magnetic Field bag is a tiling, double-deck and all round closure transparent modeling
Material unit is built-in with metal iron powder；The metal iron powder can move freely in plastic-enclosed unit；
Illustrate as an example, for the ease of observing the center of transmitting coil, the coloring of the metal iron powder is answered
It is different from the skin color of user, advantageous observation is formed with human skin and compares；Such as: yellow is in use, metallic iron
Powder should be the coloring of the non-yellow such as black；Black people in use, metal iron powder should be the non-blacks such as white coloring, and so on；
A kind of wireless charging method of pacemaker, including following technical step:
Step 1: the wireless signal transmitting unit when battery pack 108 emits signal, deposit electricity is prompted to be lower than setting value
When, single-chip microcontroller one receives the signal, and prompts on the display screen that corresponding wireless charging transmitting unit carries, and user sees
After low battery prompt, wireless charging operation is actively carried out；
Illustrate as an example, in order to preferably prompt user, other than display screen shows charge prompting, the nothing
Line charge electricity transmitting unit can also prompt user's low battery, need operation of charging by way of audible alarm is arranged；
Step 2: user controls wireless charging receiving unit by wireless charging transmitting unit, alternating current magnetic field letter is issued
Number, Distribution of Magnetic Field bag is covered at user's heart at this time, because the distribution of alternating current magnetic field signal is referred to contrast reception
The center of coil 107, the metal iron powder in Distribution of Magnetic Field bag are distributed by the magnetic field power of alternating current magnetic field, navigate to reception line
The center of circle 107；
Illustrate as an example, the auxiliary observation that user can be reflected by mirror or pass through other people, it is easy to
It observes the Distribution of Magnetic Field of metal iron powder in Distribution of Magnetic Field bag, and finds the center of receiving coil 107；
Illustrate as a kind of applicating example, user is left by built-in metal iron powder in advance when using Distribution of Magnetic Field bag
Right shaking, until metal iron powder is evenly laid out；
Step 3: pressing the center of the receiving coil 107 navigated to by Distribution of Magnetic Field bag using locating rod, using
It is left on person's skin after pressing trace, removes Distribution of Magnetic Field bag, by the way of positioning lamp point of irradiation impression mark, auxiliary transmission line
It encloses 104 centers and is directed at this and press trace；Until the insulation cover plate of transmitting coil 104 is bonded user's skin；
Illustrate as an example, the insulation cover plate of the transmitting coil 104, cover board plane and user's cardiac position
The mode of place's keeping parallelism carries out aligned beneath operation, and alignment result is best；
Illustrate as an example, the locating rod can be pressed using finger, left nail and pressed trace；
Step 4: user opens wireless charging transmitting unit charge switch, charge to wireless charging receiving unit
Operation prompts deposit electricity to expire, at this time until wireless charging transmitting unit receives the wireless signal of the transmitting of battery pack 108
Complete wireless charging operation.
The present invention is designed using the structure of flexible supply voltage difference, by the slightly higher voltage reserve for accumulation of energy of charging, then
The mode of low-voltage power supply forms the different brackets of pacemaker operating voltage and accumulation of energy charging voltage, effectively reduces wireless
It charges and the battery of pacemaker is interfered；The perspective positioning alignment link for devising wireless charging of the present invention, effectively
Reduce the mistake contraposition of transmitting coil and cause it is abnormal to the interference of pacemaker, while improve pacemaker without
The feasibility and charge efficiency of line charge electricity；Insulation cover plate design of the invention, greatly improves the safety coefficient of user, drops
The electric shock risk that low wireless charging process may cause；
Disclosed above is only the specific embodiment of the application, and however, this application is not limited to this, any this field
Technical staff can think variation, should all fall in the protection domain of the application.
Claims (10)
1. a kind of wireless charging system of pacemaker characterized by comprising wireless charging transmitting unit, wireless charging
Receiving unit and positioning device；The wireless charging transmitting unit is set to human external, the wireless charging receiving unit
It is set to inside of human body, and is electrically connected with pacemaker；The side that the wireless charging transmitting unit is coupled by electromagnetic induction
Formula provides electric energy to the wireless charging receiving unit；The wireless charging receiving unit is used to power to pacemaker；
The wireless charging transmitting unit includes: mission controller, transmitting coil, power supply；The one of the mission controller
End is electrically connected with one end of the power supply, and the other end of the mission controller and one end of the transmitting coil are electrically connected
It connects；It is provided with insulation cover plate outside the transmitting coil, is provided with loophole among the insulation cover plate；
The wireless charging receiving unit includes: to receive controller, receiving coil, battery pack and DC decompression unit；It is described
One end of receiving coil is electrically connected with described one end for receiving controller, the other end for receiving controller and the battery pack
One end electrical connection, the other end of the battery pack is electrically connected with one end of the DC decompression unit；The DC decompression list
The other end of member is electrically connected with one end of the pacemaker；
The reception controller includes: single-chip microcontroller two, receives resonant element, rectification unit and selection switch block；The list
Piece machine two is used to control and receive resonant element, rectification unit and the work for selecting switch block；The battery number of the battery pack
Amount is 2 groups, and respectively battery one and battery two, every group of battery is provided with wireless signal transmitting unit, when any group of battery
When voltage is lower than setting value, that is, low battery signal is launched outward, can be received by single-chip microcontroller one, and prompted corresponding wireless
It charges on the included display screen of transmitting unit；
The work-based logic of the selection switch block is set as, and selects any one group of battery, provides work electricity for pacemaker
Can, it is pacemaker power supply by battery two when one electricity of battery is lower than setting value, it is on the contrary then opposite；When battery one is connected
When DC decompression unit provides operating voltage for pacemaker, battery two and DC decompression unit are disconnected, at the same with it is described whole
Stream unit conducts；Similarly, when battery two connect DC decompression unit provide work energy for pacemaker when, battery one and
DC decompression unit disconnects, i.e., is formed and opened a way with pacemaker, while battery one is conducted with the rectification unit；The electricity
The rated operational voltage of pond one and battery two should ensure that in following sections: should be less than human safety voltage 36V, and is greater than the heart
Dirty pacemaker operating voltage；
The positioning device includes: field coil, Distribution of Magnetic Field bag, locating rod and positioning lamp；The field coil is for producing
The raw vertically magnetic line of force with human body chest, the Distribution of Magnetic Field bag are used to position the magnetic line of force distribution of field coil, the positioning
Bar leaves one on human body and presses dent mark, the positioning lamp is realized for being directed at the marking for pressing Distribution of Magnetic Field bag
The transmitting coil and receiving coil precisely align operation.
2. a kind of wireless charging system of pacemaker according to claim 1, which is characterized in that the emission control
Device includes: single-chip microcontroller one, current rectifying and wave filtering circuit, inverter circuit, transmitting resonant element and compensation network；The single-chip microcontroller one is used
In the work for controlling the current rectifying and wave filtering circuit, inverter circuit, transmitting resonant element and compensation network；The rectifying and wave-filtering electricity
The one end on road is electrically connected with one end of the inverter circuit, and the one of the other end of the inverter circuit and the transmitting resonant element
The other end of end electrical connection, the transmitting resonant element is electrically connected with one end of the compensation network；When the power supply stream
After entering the mission controller, direct current is converted alternating current to by its internal described current rectifying and wave filtering circuit, direct current is again
It is high-frequency alternating current through the inverter circuit inversion, then carries out boost operations through the transmitting resonant element, eventually become height
The alternating current of frequency high pressure, then be applied on the transmitting coil after the compensation network.
3. a kind of wireless charging system of pacemaker according to claim 2, which is characterized in that the compensation network
Effect be that the LC resonance that is formed is tuned between coupled capacitor C and inductance L to transmitting resonant element, to improve transmission function
Rate and efficiency.
4. a kind of wireless charging system of pacemaker according to claim 3, which is characterized in that the compensation network
One of Voltage Series resonance compensation structure or current parallel resonance compensation structure or combination can be used.
5. a kind of wireless charging system of pacemaker according to claim 4, which is characterized in that the power supply
For industrial frequency AC alternating current.
6. according to claim 1 to the wireless charging system of any one pacemaker described in 5, which is characterized in that described
Component used by wireless charging receiving unit is SMD components.
7. a kind of wireless charging system of pacemaker according to claim 1, which is characterized in that the reception resonance
One end of unit is electrically connected with one end of the receiving coil, the other end for receiving resonant element and the rectification unit
One end electrical connection, the other end of the rectification unit are electrically connected with one end of the selection switch block；Rectification unit is used for will
The next alternating current of resonant element transmitting that receives becomes direct current, and is conveyed to the battery pack, the charging for battery pack
Operation；The single-chip microcontroller one can be wirelessly communicated with single-chip microcontroller two, and single-chip microcontroller one, which can be communicated, aligns signal to single-chip microcontroller two, utilize electricity
Pond group reverse-conducting rectification unit and resonant element, provide electric energy for receiving coil, externally emit alternating current magnetic field signal.
8. a kind of wireless charging system of pacemaker according to claim 1, which is characterized in that the battery one and
The rated operational voltage of battery two is that 30V provides work after being reduced to 12V by the DC decompression unit for pacemaker
Make electric energy.
9. a kind of wireless charging system of pacemaker according to claim 1, which is characterized in that the Distribution of Magnetic Field
The area of bag is greater than the surface area of the field coil；The field coil can directly adopt receiving coil or same with receiving coil
The new line coil structures in axle center；The center of the transmitting coil is arranged in the positioning lamp, and it is visible to launch outward a branch of red
Light, the launch angle of light are vertical with the transmitting coil plane；The Distribution of Magnetic Field bag is a tiling, and double-deck and surrounding is sealed
The transparent plastic unit closed, is built-in with metal iron powder；The metal iron powder can move freely in plastic-enclosed unit.
10. a kind of wireless charging method of pacemaker, which is characterized in that including following technical step:
Step 1: the wireless signal transmitting unit when battery pack emits signal, and when deposit electricity being prompted to be lower than setting value, single-chip microcontroller
One receives the signal, and prompts on the display screen that corresponding wireless charging transmitting unit carries, and user sees low battery
After prompt, wireless charging operation is actively carried out；
Step 2: user controls wireless charging receiving unit by wireless charging transmitting unit, alternating current magnetic field signal is issued,
Distribution of Magnetic Field bag is covered at user's heart at this time, because the distribution of alternating current magnetic field signal is referred to contrast receiving coil
Center, the metal iron powder in Distribution of Magnetic Field bag is distributed by the magnetic field power of alternating current magnetic field, navigated in receiving coil
Heart position；
Step 3: the center of the receiving coil navigated to by Distribution of Magnetic Field bag is pressed using locating rod, in user's skin
On leave and press trace after, remove Distribution of Magnetic Field bag, by the way of positioning lamp point of irradiation impression mark, auxiliary transmission hub of a spool
Position alignment this press trace；Until the insulation cover plate of transmitting coil is bonded user's skin；
Step 4: user opens wireless charging transmitting unit charge switch, charging operation is carried out to wireless charging receiving unit,
Until wireless charging transmitting unit receives the wireless signal of battery pack transmitting, deposit electricity is prompted to expire, completed at this time wireless
Charging operation.
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