CN117997069B - A self-generating mobile power source based on rolling ball induction - Google Patents
A self-generating mobile power source based on rolling ball induction Download PDFInfo
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- CN117997069B CN117997069B CN202410143469.4A CN202410143469A CN117997069B CN 117997069 B CN117997069 B CN 117997069B CN 202410143469 A CN202410143469 A CN 202410143469A CN 117997069 B CN117997069 B CN 117997069B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
- H02K35/04—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving coil systems and stationary magnets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/34—Reciprocating, oscillating or vibrating parts of the magnetic circuit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
本发明属于自发电移动电源技术领域，具体涉及一种基于滚球感应的自发电移动电源。本发明公开了一种基于滚球感应的自发电移动电源，包括发电仓和蓄电池，发电仓在管状的外壳内两端设置弹簧，中间放置滚球，并且在外壳外侧固定磁铁组，从而在发电仓运动时，滚球在外壳内滚动从而压缩弹簧，弹簧切割所述磁铁组形成的磁感线产生感应电流，弹簧上产生的感应电流一端经过滚球从导电片导出，另一端经过第一导电点导出，从而实现自发电为蓄电池的充电。本发明通过滚球能够将生活中的各种运动转化为电能，不需要人力手动重复运动发电，也不受环境和天气的限制，将移动电源绑定在运动的物体上即可实现稳定高效的发电。
The present invention belongs to the technical field of self-generating mobile power sources, and specifically relates to a self-generating mobile power source based on rolling ball induction. The present invention discloses a self-generating mobile power source based on rolling ball induction, including a power generation compartment and a battery. The power generation compartment is provided with springs at both ends in a tubular shell, a rolling ball is placed in the middle, and a magnet group is fixed on the outside of the shell, so that when the power generation compartment moves, the rolling ball rolls in the shell to compress the spring, and the spring cuts the magnetic flux lines formed by the magnet group to generate an induced current. One end of the induced current generated on the spring is derived from the conductive sheet through the rolling ball, and the other end is derived through the first conductive point, thereby realizing self-generation to charge the battery. The present invention can convert various movements in life into electrical energy through the rolling ball, does not require manual repeated movements to generate electricity, and is not restricted by the environment and weather. Stable and efficient power generation can be achieved by binding the mobile power source to a moving object.
Description
Technical Field
The invention belongs to the technical field of self-power-generation mobile power supplies, and particularly relates to a self-power-generation mobile power supply based on rolling ball induction.
Background
The portable power source is a portable power source device, and can provide power supply for various mobile devices such as mobile phones, tablet computers, digital cameras and the like. The portable electric power device has the characteristics of small size, light weight, portability and the like, and can provide convenient electric power support for users in the scenes of outdoors, traveling, emergency and the like. The traditional mobile power supply is limited by the capacity of a battery, can not provide power supply for a long time under the condition of being separated from a power grid, and has limited application range. Therefore, the power grid can be charged in other ways, so that the power grid can be separated from the power grid, and the power grid can be rapidly developed, and various types of hand-operated self-power-generation mobile power supplies, hand-press self-power-generation mobile power supplies, pedal-type self-power-generation mobile power supplies, solar self-power-generation mobile power supplies and the like have been developed.
The hand-operated self-generating mobile power supply, the hand-press self-generating mobile power supply, the pedal-type self-generating mobile power supply and the like need human-machine input, and the use experience is poor. The solar self-generating mobile power supply can obtain stable charging input under stronger illumination conditions, and heat dissipation is difficult. Various self-generating mobile power supplies in the prior art have the common problems of low power generation efficiency and unstable power generation, and are difficult to popularize on a large scale.
Disclosure of Invention
The invention aims to overcome the defects of low power generation efficiency and unstable power generation of the self-power-generation mobile power supply in the prior art, thereby providing the self-power-generation mobile power supply based on the rolling ball induction.
The invention provides a self-generating mobile power supply based on rolling ball induction, which comprises a power generation bin and a storage battery, wherein the power generation bin is electrically connected with the storage battery and is used for charging the storage battery;
the power generation bin comprises a shell, a magnet group, a rolling ball, a spring, a first conductive point, a second conductive point and a conductive sheet;
the shell is of a tubular structure with two closed ends;
The rolling ball is made of conductive materials and can be axially movably arranged in the shell;
The springs are made of conductive materials, and the two springs are respectively fixed at two ends of the inside of the shell along the axial direction of the shell;
The two first conductive points are respectively fixed at two ends outside the shell and are respectively electrically connected with the two springs;
The magnet group is fixed on the outer side wall of the shell, and a magnetic induction line is formed inside the shell;
the conductive sheet is fixed at the bottom of the inner side wall of the shell along the axial direction parallel to the shell, and the upper side of the conductive sheet is in conductive contact with the rolling ball;
the second conductive points are fixed on the outer side wall of the shell and are electrically connected with the conductive sheets.
Further, one magnet group includes four magnets, four magnets are fixed in respectively four positions about the upper and lower of lateral wall of shell, wherein include two paste one side of shell is the first magnet of first polarity to and two paste one side of shell is the second magnet of second polarity, two first magnet is adjacent to be set up, two second magnet is adjacent to be set up.
Further, the spring is a coil spring, a part of the spring is segmented into shielding sections with electromagnetic shielding layers formed on the surfaces, and the shielding sections are formed on one side, close to a group of adjacent first magnets and second magnets, of the spring.
Further, one magnet group includes two magnets, two magnets are fixed in respectively the first magnet of lateral wall upside and the second magnet of downside of shell, first magnet is close to the one side of shell is first polarity, the second magnet is close to the one side of shell is the second polarity.
Further, the spring is a broken line spring, the spring comprises a first section and a second section which are alternately connected in sequence, the first section is obliquely upward, the second section is obliquely downward, and an electromagnetic shielding layer is formed on the surface of the first section.
Further, the spring is a broken line spring, the spring comprises a first section and a second section which are alternately connected in sequence, the first section is inclined upwards, the second section is inclined downwards, reverse magnets are fixed on the upper side and the lower side of the first section, the upper side of the reverse magnets is of a first polarity, and the lower side of the reverse magnets is of a second polarity.
The storage battery is of a cuboid structure, four vertical faces of the storage battery are fixedly provided with power generation bins, two power generation bins are horizontally distributed along the axial direction to form one row, sixteen rows of battery bins are aligned and arranged on each vertical face in the vertical direction, four edges of the storage battery in the vertical direction are fixedly provided with power generation bins, each edge is provided with seven power generation bins, and the power generation bins are vertically arranged along the axial direction.
Further, the self-generating charging device further comprises a self-generating charging circuit, wherein the input end of the self-generating charging circuit is connected with the power generation bin, the output end of the self-generating charging circuit is connected with the storage battery, and the self-generating charging circuit comprises a converging circuit, a rectifying circuit, a filtering circuit and a chopper circuit which are sequentially connected.
Further, the intelligent charging system further comprises a power grid charging circuit, wherein the input end of the power grid charging circuit is connected with the power grid, the output end of the power grid charging circuit is connected with the storage battery, and the power grid charging circuit comprises a rectifying circuit, an oscillating circuit, a voltage stabilizing circuit and a protection circuit which are sequentially connected.
Further, the electric energy output circuit is further included, the input end of the electric energy output circuit is connected with the storage battery, the output end of the electric energy output circuit is used for outputting electric energy, and the electric energy output circuit comprises a rectifying circuit, a filtering circuit and a voltage stabilizing circuit which are sequentially connected.
The self-generating mobile power supply has the beneficial effects that the self-generating mobile power supply based on the rolling ball induction is disclosed, the springs are arranged at the two ends in the tubular shell, the rolling ball is arranged in the middle of the shell, and the magnet group is fixed at the outer side of the shell, so that when the power generation bin moves, the rolling ball rolls in the shell to compress the springs, the springs cut the magnetic induction lines formed by the magnet group to generate induction current, one end of the induction current generated on the springs is led out from the conducting strip through the rolling ball, and the other end of the induction current is led out through the first conducting point, so that the self-generating battery is charged. According to the invention, various movements in life can be converted into electric energy through the rolling ball, manual repeated movement is not needed for generating electricity, the limitation of environment and weather is avoided, and the mobile power supply is bound to a moving object, so that stable and efficient electricity generation can be realized.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a charging bin in elevation;
FIG. 2 is a schematic diagram of a front view of a charging bin according to the present invention;
FIG. 3 is a schematic diagram of a front view of a charging bin according to the present invention;
FIG. 4 is a schematic top view of a charging bin according to the present invention;
FIG. 5 is a schematic diagram of a front view of a spring according to the present invention;
FIG. 6 is a schematic diagram of a circuit configuration of the self-generating charging circuit according to the present invention;
FIG. 7 is a schematic diagram of a circuit configuration of the power grid charging circuit of the present invention;
FIG. 8 is a schematic diagram of a circuit structure of the power output circuit of the present invention;
fig. 9 is a schematic circuit diagram of a monitor control circuit according to the present invention.
The reference numerals comprise 1, a shell, 2, a magnet group, 3, a rolling ball, 4, a spring, 41, an electromagnetic shielding layer, 42, a reverse magnet, 43, a contact piece, 5, a first conductive point, 6, a second conductive point and 7, and a conductive piece.
Detailed Description
In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The present application may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the application, whereby the application is not limited to the specific embodiments disclosed below.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Referring to fig. 1-5, the embodiment provides a self-generating mobile power supply based on rolling ball induction, which is characterized by comprising a power generation bin and a storage battery, wherein the power generation bin is electrically connected with the storage battery and is used for charging the storage battery, the power generation bin comprises a shell 1, a magnet group 2, a rolling ball 3, a spring 4, a first conductive point 5, a second conductive point 6 and a conductive sheet 7, the shell 1 is of a tubular structure with two closed ends, the rolling ball 3 is made of a conductive material and can be axially and movably arranged in the shell 1, the spring 4 is made of a conductive material, two springs 4 are respectively fixed at two ends inside the shell 1 along the axial direction of the shell 1, two first conductive points 5 are respectively fixed at two ends outside the shell 1 and are respectively electrically connected with the two springs 4, the magnet group 2 is fixed on the outer side wall of the shell 1 and forms a magnetic induction line inside the shell 1, the conductive sheet 7 is axially fixed on the inner side wall of the shell 1 along the parallel direction, the upper side of the shell 1 is fixed on the bottom, and the second conductive point 6 is fixed on the outer side of the shell 1 and is electrically connected with the conductive sheet 7.
The embodiment discloses from electricity generation mobile power supply based on spin response sets up spring 4 at both ends in tubular shell 1, places spin 3 in the middle to fixed magnet group 2 in shell 1 outside, thereby when electricity generation storehouse motion, spin 3 roll thereby compression spring 4 in shell 1, and spring 4 cutting the magnetic induction line that magnet group 2 formed produces induced current, and induced current one end that produces on the spring 4 is derived from conducting strip 7 through spin 3, and the other end is derived through first conducting point 5, thereby realizes from the electricity generation to the charge of battery. According to the invention, various movements in life can be converted into electric energy through the rolling ball 3, manual repeated movement is not needed for generating electricity, the limitation of environment and weather is avoided, and the mobile power supply is bound to a moving object, so that stable and efficient electricity generation can be realized.
Specifically, as a preferable example, the housing 1 of the power generation bin is in a capsule shape, the length of the housing is 30mm, the diameter of the housing is 7.4mm, the first conductive point 5 is a hemispherical first conductive point, the size of the spring 4 is 0.2×2.8×6mm, the elastic coefficient is 1.1N/m, the magnets of the magnet group 2 are 1.2 t-1.6 t fixed magnets, the rolling ball 3 is an iron ball of 0.45g, the conductive sheet 7 is a conductive copper surface of 1mm in thickness, and the storage battery is a storage battery of 3.7V.
As a further development of the present embodiment, a contact piece 43 is also included, said contact piece 43 being fixed to an end of said spring 4 close to said ball 3 and being in electrically conductive connection with said spring 4 for forming a reliable electrically conductive contact with said ball 3.
In some embodiments of the present invention, as shown in fig. 1, one of the magnet groups 2 includes four magnets, which are respectively fixed at four positions of the outer side wall of the housing 1, wherein the four magnets include two first magnets with a first polarity, which are adjacent to one side of the housing 1, and two second magnets with a second polarity, which are adjacent to one side of the housing 1, and the two first magnets are adjacent to one another. The spring 4 is a coil spring, and a part of the spring is segmented into shielding sections with surfaces formed with an electromagnetic shielding layer 41, and the shielding sections are formed on one side of the spring 4 close to a group of adjacent first magnets and second magnets. In this embodiment, the electromagnetic shielding layer 41 is a metal mesh braid.
Specifically, the shielding section is formed on a quarter section of the cross section of the spring 4, the quarter section is close to one side of a group of adjacent first magnet and second magnet, and the electromagnetic shielding layer 41 can shield the magnetic field generated by the magnets, so that no induced current is generated in the shielding section, and current with uniform direction can be formed in the rest spring 4 sections.
In other embodiments of the present invention, one of the magnet groups 2 includes two magnets, a first magnet fixed to an upper side of an outer sidewall of the housing 1 and a second magnet fixed to a lower side of the outer sidewall, wherein a side of the first magnet abutting the housing 1 is a first polarity, and a side of the second magnet abutting the housing 1 is a second polarity. The spring 4 is a broken line spring, the spring 4 comprises a first section and a second section which are alternately connected in sequence, the first section is inclined upwards, and the second section is inclined downwards. Specifically, as a preference of the present embodiment, the adjacent first and second segments have an included angle of sixty degrees, and one spring 4 has seven fold lines formed side by side. In this embodiment the first segment is provided with three segments and the second segment is provided with three segments, in other embodiments of the invention the first segment and the second segment have more or fewer segments.
Referring to fig. 2, in some implementations of the present embodiment, the surface of the first segment forms an electromagnetic shielding layer 41. Thus, no induced current is generated in the first segment, and induced current with uniform direction is formed in the second segment. In this embodiment, the electromagnetic shielding layer 41 is a metal mesh braid.
Referring to fig. 3 to 5, in other implementations of the present embodiment, the reverse magnets 42 are fixed on the upper side and the lower side of the first segment, where the upper side of the reverse magnets 42 has a first polarity and the lower side has a second polarity. Thus, the induced current in the second segment is formed in the same direction, and the induced current in the first segment is also formed in the same direction as the second segment by the action of the reverse magnet 42, and preferably, the reverse magnet 42 forms a magnetic field in the first segment in the same strength and opposite direction to the outside magnet group 2.
In this embodiment, the power generation bin includes two magnet groups 2, and the two magnet groups 2 are respectively located outside the two magnets.
The storage battery is of a cuboid structure, the four vertical faces of the storage battery are fixedly provided with power generation bins, two power generation bins are horizontally distributed along the axial direction to form one row, sixteen rows of battery bins are aligned and arranged on each vertical face in the vertical direction, the four edges of the storage battery in the vertical direction are fixedly provided with power generation bins, each edge is provided with seven power generation bins, and the power generation bins are vertically arranged along the axial direction.
As a further improvement of the embodiment, a protective case is further included, which encloses the storage battery and the power generation bin. Preferably, in this embodiment, the protective housing is made of PC plastic.
In this embodiment, still include from electricity generation charging circuit, from electricity generation charging circuit's input is connected the electricity generation storehouse, the output is connected the battery, from electricity generation charging circuit includes conflux circuit, rectifier circuit, filter circuit and chopper circuit that connect gradually.
Referring to fig. 6, specifically, in some embodiments of the present invention, the self-generating charging circuit includes a rectifying chip (D1, D2..+ -.), a voltage stabilizing chip U1, a first capacitor C1 and a second capacitor C2, each of the power generating bins is connected to one of the rectifying chips, preferably, the rectifying chip is specifically designated MB1S, the voltage stabilizing chip U1 is specifically designated LM7805D2TRG, two first conductive points of the power generating bins (F1, F2..+ -.), respectively designated DDD1 and DDD2, a conductive sheet is designated DDD3, the two first conductive points are connected to each other and to a third terminal of the rectifying chip, the conductive sheet is connected to a fourth terminal of the rectifying chip, a first terminal of the rectifying chip is connected to ground via the first capacitor C1, a second terminal of the rectifying chip is grounded, a VCC terminal of the voltage stabilizing chip U1 is connected to a first terminal of the rectifying chip GND, and a second terminal of the voltage stabilizing chip is connected to a voltage stabilizing chip GND, and a voltage stabilizing terminal of the power grid is connected to a voltage stabilizing chip is connected to a voltage stabilizing terminal of the voltage stabilizing circuit.
The rectification circuit in the rectification chip rectifies alternating current of a corresponding power generation bin into direct current, the stabilized voltage of the rectification circuit in the voltage stabilizing chip U1 is stabilized to obtain stabilized 5V voltage, the stabilized 5V voltage is connected to the power input end of the power grid charging circuit, and the storage battery is charged through the power grid charging circuit.
The power grid charging circuit is characterized by further comprising a power grid charging circuit, wherein the input end of the power grid charging circuit is connected with the power grid, the output end of the power grid charging circuit is connected with the storage battery, and the power grid charging circuit comprises a rectifying circuit, an oscillating circuit, a voltage stabilizing circuit and a protection circuit which are sequentially connected.
Specifically, in some embodiments of the present invention, the power grid charging circuit includes a charging chip U2, a USB interface U3 and a MOS transistor Q1, where the specific model of the charging chip U2 is IP2188, the specific model of the MOS transistor Q1 is SI2302-HXY, a first end of the USB interface U3 is connected to a VBUS end of the charging chip U2 through a second resistor R2 and is grounded through a fourth capacitor C4, a second end is connected to a DM end of the charging chip U2, a third end is connected to a DP end of the charging chip U2, a fourth end is connected to a CC1 end of the charging chip U2, a fifth end is connected to a CC2 end, a sixth end is grounded, a VBUSG end of the charging chip U2 is connected to a gate of the MOS transistor Q1, a CSP end is sequentially connected to a drain of the MOS transistor Q1 through a third capacitor C3 and a fifth resistor R5, a GND end is connected to a CSP end is connected to a fourth resistor R4, a FB end is connected to a drain of the battery FB 4 is connected to the drain of the MOS transistor Q1 through a fifth resistor C3, and is connected to a drain end of the battery FB 4 is connected to the drain of the battery.
The charging chip U2 monitors voltages of the pins CC1 and CC2 in real time, starts an external expansion NMOS power tube after the Type-C handshake is successful, broadcasts SRC capability packets on the CC1 or CC2 end and establishes communication, monitors voltages of the DP and DM ends in real time after the external expansion NMOS power tube is started, automatically identifies a quick charging Type, analyzes and responds to a protocol request to complete a handshake process with equipment to be charged, does not respond to other types of quick charging requests once any quick charging is performed, and responds to a new quick charging request after the current quick charging is stopped. The charging chip U2 adjusts the VBUS voltage according to the FB voltage adjustment request of the storage battery U4, so that the voltage request of the equipment end is met.
The power supply device comprises a storage battery, and is characterized by further comprising an electric energy output circuit, wherein the input end of the electric energy output circuit is connected with the storage battery, the output end of the electric energy output circuit is used for outputting electric energy, and the electric energy output circuit comprises a rectifying circuit, a filter circuit and a voltage stabilizing circuit which are sequentially connected.
Referring to fig. 8, in particular, in some embodiments of the present invention, the power output circuit includes a power management chip U5, at least one power output interface U6, and a KEY SW1, where a specific model of the power management chip U5 is IP5306, a first end of an output terminal of the battery U4 is connected to a VIN terminal of the power management chip U5, a second end of the power management chip is grounded, and the first end is sequentially grounded through a seventh resistor R7 and a ninth capacitor R9 and is grounded through a sixth capacitor C6, an LED1 terminal of the power management chip U5 is connected to an anode of the first light emitting diode L1 and a cathode of the second light emitting diode L2, an LED2 terminal is connected to a cathode of the third light emitting diode L3 and a cathode of the fourth light emitting diode L4, an anode of the second light emitting diode L2, a cathode of the third light emitting diode L3 and an anode of the fourth light emitting diode L4 are connected to a ground, an end of the power management chip U5 is respectively connected to a tenth capacitor C10, an eleventh capacitor C11, a thirteenth capacitor C13 and a DP terminal of the power management chip U5 are connected to the fifth end of the power management chip U5, and is connected to a cathode of the battery U5 through a capacitor C6, an anode of the battery U2 is connected to a cathode of the battery U2 is connected to an anode of the power management chip C5, and is connected to a cathode of the battery U5, and is connected to a cathode of the battery C5 through a cathode of the battery C7, and is connected to a cathode of the battery C3, and is connected to the first end of the key SW1 through a sixth resistor R6, and the negative electrode of the fifth light emitting diode L5 and the second end of the key SW1 are grounded.
And an internal circuit of the power management chip U5 controls the on-off of the four light emitting diodes L1-L4 to represent the residual electric quantity of the storage battery. The pin of the power management chip U5 is connected with an LCC filter circuit so as to reduce fluctuation of lithium battery input voltage, and is connected with a key SW1, and the mobile power supply can be controlled through long key and short key operation.
The auxiliary monitoring control circuit comprises an STM32 minimum system, a monitoring circuit and a control circuit, and the auxiliary monitoring system is connected with the storage battery.
Referring to fig. 9, specifically, in some embodiments of the present invention, the monitoring control circuit includes a battery protection chip U7, where the specific model of the battery protection chip U7 is IP3005, the NC end of the battery protection chip U7 is suspended, the VM end is connected to the negative electrode In-of the charging load, the GND end is connected to the negative electrode of the battery U4, and is connected to the VDD end through a fourteenth capacitor C14, the VDD end is connected to the positive electrode of the battery U4 through a tenth resistor R10, the EP end is connected to the negative electrode of the battery U4, and the negative electrode of the battery U4 is connected to the negative electrode In-of the charging load through a fifteenth capacitor C15.
The NC end of the battery protection chip U7 is suspended to play a role of fixing the chip. The VM terminal and GND terminal of the battery protection chip U7 are connected internally to the power MOSFET. The VDD terminal of the battery protection chip U7 is connected to the positive electrode of the battery U4 through a tenth resistor R10, and is used for supplying power to the chip. And the EP end of the IP3005 of the battery protection chip U7 is connected with the negative electrode of the storage battery U4 to obtain detection current. The tenth resistor R10 and the fourteenth capacitor C14 constitute a power filter for suppressing power supply ripple. The fifteenth capacitor C15 is connected between the negative electrode of the battery and the VM segment for suppressing the VM port spike voltage.
The power filter formed by the tenth resistor R10 and the fourteenth capacitor C14 filters interference signals of the power, and when the current flowing through the battery protection chip U7 is greater than 1A, the current monitoring function is started in the chip. When the charge overvoltage state, the discharge undervoltage state, the discharge overcurrent state or the charge overcurrent state occurs, the battery protection chip U7 starts the protection function. The battery protection chip U7 controls the internal logic circuit to turn off the internal power MOSFET to stop charging and discharging.
The mobile power supply comprises a mobile power supply, and is characterized by further comprising a display screen, wherein the display screen is connected with the auxiliary monitoring control circuit and used for displaying the working state of the mobile power supply.
In this embodiment, each first conductive point 5 of each of the power generation bins derives a connection, and the conductive sheet 7 of each of the power generation bins derives a connection, so that all the conductive bins meet and form a two-end output.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.
Claims (8)
1. The automatic power generation mobile power supply based on the rolling ball induction is characterized by comprising a power generation bin and a storage battery, wherein the power generation bin is electrically connected with the storage battery and is used for charging the storage battery;
the power generation bin comprises a shell, a magnet group, a rolling ball, a spring, a first conductive point, a second conductive point and a conductive sheet;
the shell is of a tubular structure with two closed ends;
The rolling ball is made of conductive materials and can be axially movably arranged in the shell;
The springs are made of conductive materials, and the two springs are respectively fixed at two ends of the inside of the shell along the axial direction of the shell;
The rolling ball compresses the spring, so that the spring cuts a magnetic induction line formed by the magnet group and the magnet group, and induced current in one direction is generated in the spring;
The two first conductive points are respectively fixed at two ends outside the shell and are respectively electrically connected with the two springs;
The magnet group is fixed on the outer side wall of the shell, and a magnetic induction line is formed inside the shell;
the conductive sheet is fixed at the bottom of the inner side wall of the shell along the axial direction parallel to the shell, and the upper side of the conductive sheet is in conductive contact with the rolling ball;
The second conductive points are fixed on the outer side wall of the shell and are electrically connected with the conductive sheets;
the contact piece is fixed at one end of the spring close to the rolling ball and is in conductive connection with the spring.
2. The self-generating mobile power supply according to claim 1, wherein one of the magnet groups comprises four magnets, the four magnets are respectively fixed at four positions of the upper, lower, left and right of the outer side wall of the housing, wherein the four magnets comprise two first magnets with a first polarity, which are abutted against one side of the housing, and two second magnets with a second polarity, which are abutted against one side of the housing, the two first magnets are adjacently arranged, the two second magnets are adjacently arranged, the spring is a coil spring, a part of the spring is segmented into shielding sections with surfaces forming electromagnetic shielding layers, and the shielding sections are formed on one side of the spring, which is close to one group of adjacent first magnets and second magnets.
3. A self-generating mobile power supply based on spin induction according to claim 1, characterized in that one of said magnet sets comprises two magnets, a first magnet fixed to the upper side of the outer side wall of said housing and a second magnet fixed to the lower side of the outer side wall of said housing, respectively, said first magnet being of a first polarity on the side thereof which is to be abutted against said housing and said second magnet being of a second polarity on the side thereof which is to be abutted against said housing;
the spring is a broken line spring and comprises a first section and a second section which are sequentially and alternately connected, wherein the first section is inclined upwards, the second section is inclined downwards, and an electromagnetic shielding layer is formed on the surface of the first section.
4. A self-generating mobile power supply based on spin induction according to claim 1, characterized in that one of said magnet sets comprises two magnets, a first magnet fixed to the upper side of the outer side wall of said housing and a second magnet fixed to the lower side of the outer side wall of said housing, respectively, said first magnet being of a first polarity on the side thereof which is to be abutted against said housing and said second magnet being of a second polarity on the side thereof which is to be abutted against said housing;
The spring is a broken line spring and comprises a first section and a second section which are sequentially and alternately connected, wherein the first section is inclined upwards, the second section is inclined downwards, reverse magnets are fixed on the upper side and the lower side of the first section, the upper side of each reverse magnet is of a first polarity, and the lower side of each reverse magnet is of a second polarity.
5. The self-generating mobile power supply based on rolling ball induction is characterized in that the storage battery is of a cuboid structure, the four vertical faces of the storage battery are fixedly provided with the power generation bins, two power generation bins are horizontally distributed along the axial direction to form one row, sixteen rows of battery bins are aligned and arranged on each vertical face in the vertical direction, the four edges of the storage battery in the vertical direction are fixedly provided with the power generation bins, each edge is provided with seven power generation bins, and the power generation bins are vertically arranged along the axial direction.
6. The self-generating mobile power supply based on rolling ball induction according to claim 1, further comprising a self-generating charging circuit, wherein the input end of the self-generating charging circuit is connected with the power generation bin, the output end of the self-generating charging circuit is connected with the storage battery, and the self-generating charging circuit comprises a converging circuit, a rectifying circuit, a filtering circuit and a chopper circuit which are sequentially connected.
7. The self-generating mobile power supply based on rolling ball induction according to claim 1, further comprising a power grid charging circuit, wherein the input end of the power grid charging circuit is connected with the power grid, the output end of the power grid charging circuit is connected with the storage battery, and the power grid charging circuit comprises a rectifying circuit, an oscillating circuit, a voltage stabilizing circuit and a protection circuit which are sequentially connected.
8. The self-generating mobile power supply based on rolling ball induction according to claim 1, further comprising an electric energy output circuit, wherein the input end of the electric energy output circuit is connected with the storage battery, the output end is used for outputting electric energy, and the electric energy output circuit comprises a rectifying circuit, a filtering circuit and a voltage stabilizing circuit which are sequentially connected.
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| CN212233361U (en) * | 2020-01-23 | 2020-12-29 | 泉州市万胜新材料科技有限公司 | A self-illuminating children's sweat-wicking shoe upper |
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| CN207426947U (en) * | 2017-10-31 | 2018-05-29 | 比亚迪股份有限公司 | Intelligent sphere |
| CN115189543B (en) * | 2022-07-27 | 2023-07-18 | 哈尔滨体育学院 | Wireless motion sensor with self-generating mechanism |
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| CN212233361U (en) * | 2020-01-23 | 2020-12-29 | 泉州市万胜新材料科技有限公司 | A self-illuminating children's sweat-wicking shoe upper |
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