CN214380266U - Battery control device, energy storage power supply and energy storage system thereof - Google Patents
Battery control device, energy storage power supply and energy storage system thereof Download PDFInfo
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- CN214380266U CN214380266U CN202022693087.9U CN202022693087U CN214380266U CN 214380266 U CN214380266 U CN 214380266U CN 202022693087 U CN202022693087 U CN 202022693087U CN 214380266 U CN214380266 U CN 214380266U
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- 238000004146 energy storage Methods 0.000 title claims abstract description 41
- 238000005070 sampling Methods 0.000 claims abstract description 84
- 238000010586 diagram Methods 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 101000984533 Homo sapiens Ribosome biogenesis protein BMS1 homolog Proteins 0.000 description 1
- 102100027057 Ribosome biogenesis protein BMS1 homolog Human genes 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The embodiment of the utility model discloses battery control device, energy storage power and energy storage system thereof, battery control device includes first sampling portion, second sampling portion, control division and switching part, first sampling portion is used for sampling the identification voltage of the battery of expanding outward and obtains first sampling voltage; the second sampling part is used for sampling the output voltage of the externally expanded battery and obtaining a second sampling voltage; the control unit controls the switching unit to switch to the external battery when the first sampling voltage is within the first predetermined range and the second sampling voltage is within the second predetermined range. The utility model provides a battery control device is through connecting expand the battery outward and strengthen the duration of energy storage power supply, and can be right expand the identity of battery outward and discern, automatic switch-over built-in battery and expand the battery power supply outward, the decay that can not accelerate energy storage power supply still is convenient for outdoor charging.
Description
Technical Field
The utility model relates to the field of electronic technology, especially, relate to a battery control device, energy storage power and energy storage system thereof.
Background
As society develops, energy storage power sources are widely used in various fields, such as: the method comprises the following steps of outdoor camping, outdoor aerial photography, scientific investigation and search and rescue activities, outdoor office work, outdoor photography, outdoor construction, standby power supply, emergency power supply fire rescue, emergency rescue, automobile starting, digital charging, mobile power supply and the like. In the future, such products will become a great potential consumer group and field. Therefore, higher requirements are put forward on the outdoor continuous operation endurance of the energy storage power supply.
In the prior art, the method for enhancing the endurance of the energy storage power supply mainly comprises the following steps: the cruising ability is increased by allowing the output to be charged. This approach has the disadvantages of:
1. the charging power is limited, and when the output power is greater than the input power, the endurance cannot be improved too much;
2. the charging and the output are carried out simultaneously, so that the attenuation of the energy storage power supply can be accelerated;
3. the outdoor charging condition is inconvenient.
How to provide one kind can enough strengthen energy storage power duration, can not accelerate energy storage power's decay again, the outdoor battery control mode of being convenient for charges, does not have effectual solution yet among the prior art at present.
Disclosure of Invention
Therefore, in order to solve the above problems, a battery control device is provided, which can enhance the endurance of the energy storage power supply, does not accelerate the attenuation of the energy storage power supply, and facilitates outdoor charging, and an energy storage power supply and an energy storage system thereof having the battery control device are also provided.
The utility model discloses a technical means be: there is provided a battery control apparatus, the apparatus comprising:
the first sampling part is connected with the second output end of the externally expanded battery and a first power supply and is used for sampling the identification voltage of the externally expanded battery and obtaining a first sampling voltage;
the second sampling part is connected with the first output end and the second output end of the externally expanded battery and is used for sampling the output voltage of the externally expanded battery and obtaining a second sampling voltage;
the control unit is connected with the first sampling unit, the second sampling unit and the switching unit, and is used for determining whether the first sampling voltage is in a first predetermined range and whether the second sampling voltage is in a second predetermined range, and outputting a switching control signal to control the switching state of the switching unit based on whether the first sampling voltage is in the first predetermined range and whether the second sampling voltage is in the second predetermined range; and
the switch part is connected with the built-in battery and the external expansion battery and is used for adjusting the switch state of the switch part according to the switch control signal;
when the first sampling voltage is within the first predetermined range and the second sampling voltage is within the second predetermined range, the control unit controls the switching unit to switch to the external battery;
the control unit controls the switching unit to switch to the internal battery when the first sampling voltage is not within the first predetermined range or the second sampling voltage is not within the second predetermined range.
The utility model discloses another technical means who adopts is: providing an energy storage power supply, the energy storage power supply comprising: the battery control device, the external battery and the internal battery.
The utility model discloses another technical means who adopts is: an energy storage system is provided that includes the energy storage power source.
Due to the adoption of the technical scheme, the battery control device provided by the utility model samples the identification voltage of the outward-extended battery through the first sampling part and obtains a first sampling voltage; and sampling the output voltage of the outward expansion battery through a second sampling part to obtain a second sampling voltage. When the first sampling voltage is within the first predetermined range and the second sampling voltage is within the second predetermined range, the control unit controls the switching unit to switch to the power supply of the external battery; the control unit controls the switching unit to switch to the internal battery power supply when the first sampling voltage is not within the first predetermined range or the second sampling voltage is not within the second predetermined range. The utility model provides a battery control device is through connecting expand the battery outward and strengthen the duration of energy storage power supply, and can be right expand the identity of battery outward and discern, automatic switch-over built-in battery and expand the battery power supply outward, the decay that can not accelerate energy storage power supply still is convenient for outdoor charging.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Wherein:
FIG. 1 is a first schematic diagram of a battery control apparatus according to an embodiment;
FIG. 2 is a second schematic structural diagram of a battery control apparatus according to an embodiment;
FIG. 3 is a schematic circuit diagram of a battery control apparatus in one embodiment;
fig. 4 is a schematic structural diagram of an energy storage power supply in an embodiment.
In the figure: 1. an energy storage power supply; 11. a battery control device; 12. an externally expanded battery; 13. a built-in battery; 111. a control unit; 112. a first sampling section; 113. a second sampling section; 114. a switch section; 115. a protection part; 121. a first battery pack; 122. a first battery management system; 131. a second battery pack; 132. a second battery tube system.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The terms first, second and the like in the description and in the claims, and in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be practiced otherwise than as specifically illustrated.
The present invention provides a battery control device 11, in one embodiment, as shown in fig. 1, the battery control device 11 may include a first sampling portion 112, a second sampling portion 113, a control portion 111, and a switch portion 114; the first sampling part 112 may be connected to a first output end of the external battery 12 and a first power supply, and is configured to sample the identification voltage of the external battery 12 and obtain a first sampled voltage; the second sampling unit 113 may be connected to the first output end and the second output end of the external battery 12, and is configured to sample the output voltage of the external battery 12 and obtain a second sampled voltage; the control unit 111 may be connected to the first sampling unit 112, the second sampling unit 113, and the switching unit 114, and configured to determine whether the first sampling voltage is within a first predetermined range and whether the second sampling voltage is within a second predetermined range, and output a switching control signal to control a switching state of the switching unit 114 based on whether the first sampling voltage is within the first predetermined range and whether the second sampling voltage is within the second predetermined range; the switch unit 114 may be connected to the internal battery 13 and the external battery 12, and configured to adjust its own switch state according to the switch control signal; when the first sampling voltage is within the first predetermined range and the second sampling voltage is within the second predetermined range, the control unit 111 controls the switching unit 114 to switch to the extension battery 12; when the first sampling voltage is not within the first predetermined range or the second sampling voltage is not within the second predetermined range, the control unit 111 controls the switching unit 114 to switch to the internal battery 13.
Further, the battery control device 11 may further include a power supply, and the power supply may provide an operating voltage for the battery control device 11. The power supply may be a power interface connected to an external power supply device, or may be an energy storage device, such as a rechargeable battery, or may be a power module, a power chip, or the like.
The first power supply may be the power supply or the power supply of the control unit, and the first power supply may provide a voltage, which is not limited in the present application. Referring to fig. 1, the first power supply employs the power supply of the control section. The control unit 111 may be a single chip, and of course, the control unit 111 may also be a microcontroller, a CPU, a microprocessor, an FPGA, a DSP, or other control modules with equivalent functions, which is not limited in this application.
The battery control apparatus 11 provided in this embodiment samples the identification voltage of the external battery 12 through the first sampling unit 112 to obtain a first sampling voltage; the second sampling unit 113 samples the output voltage of the extended battery 12 to obtain a second sampled voltage. When the first sampling voltage is within the first predetermined range and the second sampling voltage is within the second predetermined range, the control unit 111 controls the switching unit 114 to switch the power supply to the extension battery 12; when the first sampling voltage is not within the first predetermined range or the second sampling voltage is not within the second predetermined range, the control unit 111 controls the switching unit 114 to switch the power supply to the internal battery 13. The utility model provides a battery control device 11 is through connecting expand outer battery 12 and strengthen the duration of energy storage power supply 1, and can be right the identity of expanding outer battery 12 is discerned, automatic switch-over built-in battery 13 and expand the power supply of battery 12 outward, can not accelerate energy storage power supply 1's decay, the outdoor charging of still being convenient for.
In one embodiment, as shown in fig. 3, the switching section 114 may be a double pole double throw relay; the double-pole double-throw relay is provided with a coil, a first fixed contact 1, a second fixed contact 2, a first normally open contact 6, a second normally open contact 8, a first normally closed contact 5 and a second normally closed contact 7; the coil receives the switch control signal; the first normally closed contact 5 is connected with a first output end of the built-in battery 13, and the second normally closed contact 7 is connected with a second output end of the built-in battery 13; the first normally open contact 6 is connected with a first output end of the outward expansion battery 12, and the second normally open contact 8 is connected with a second output end of the outward expansion battery 12.
In one embodiment, as shown in fig. 3, when the control section 111 controls the switch section 114 to switch to the extended battery 12, the first normally-open contact 6 and the second normally-open contact 8 are closed, and the first normally-closed contact 5 and the second normally-closed contact 7 are opened; when the control unit 111 controls the switching unit 114 to switch to the internal battery 13, the first normally closed contact 5 and the second normally closed contact 7 are closed, and the first normally open contact 6 and the second normally open contact 8 are opened.
In one embodiment, as shown in fig. 3, the control unit 111 may include a single chip microcomputer U1, and the single chip microcomputer U1 receives the first sampled voltage and the second sampled voltage and outputs the switch control signal. The singlechip U1 can adopt C51 series singlechip all, furtherly, the singlechip can be AT89S51, of course, the singlechip can be other models, as long as can receive first sampling voltage with the second sampling voltage, output switch control signal can, this application does not do the restriction.
In one embodiment, as shown in fig. 2, the battery control apparatus 11 may further include a protection portion 115, where the protection portion 115 is connected to the outward-extending battery 12 and the second sampling portion 113 for overcurrent protection. Further, as shown in fig. 3, the protection part 115 may be a fuse for overcurrent protection.
In one embodiment, as shown in fig. 3, the first sampling part 112 may include a third resistor R3 and an eleventh resistor R11; a first end of the third resistor R3 is connected to the first power source, a second end of the third resistor R3 is connected to the controller 111 and to a first end of the eleventh resistor R11, and a second end of the eleventh resistor R11 is connected to a second output terminal of the outward-extending battery 12. The second output terminal of the external battery 12 is connected to the ground terminal GND of the power supply. Further, the first power supply can be VDD of the single chip microcomputer U1, the VCC pin of the U1 of the single chip microcomputer is connected to the power supply end of the power supply, and is connected to the GND pin of the single chip microcomputer U1 via the first capacitor C1 and to the ground GND of the power supply.
In one embodiment, as shown in fig. 3, the second sampling part 113 may include a first resistor R1 and a second resistor R2; a first end of the first resistor R1 is connected with a first output end of the outward expansion battery 12; a second end of the first resistor R1 is connected to the control unit 111 and a first end of the second resistor R2; a second end of the second resistor R2 is connected to a second output terminal of the outward-extending battery 12.
The utility model also provides an energy storage power supply 1, in an embodiment, as shown in FIG. 4, energy storage power supply 1 can include above-mentioned battery control device 11 expand battery 12 with built-in battery 13.
In one embodiment, as shown in fig. 4, the externally extended battery 12 may include a first battery pack 121 and a first battery management system 122, wherein the first battery pack 121 and the first battery management system 122 are connected; the built-in battery 13 may include a second battery pack 131 and a second battery management system 132, and the second battery pack 131 and the second battery management system 132 are connected. Referring to fig. 3, the first battery pack B1 is connected to the first battery management system BMS1, and the second battery pack B2 is connected to the second battery management system BMS 2. The first battery pack B1 and the second battery pack B2 can adopt lithium batteries, and the lithium batteries are lighter than lead-acid batteries by more than 1 time under the same capacity, so that the whole battery pack is small and exquisite and is convenient to carry. Through battery control device 11 can automatic identification built-in battery 13 or expand battery 12 power supply outward, only need change the group battery can strengthen outdoor continuation operation.
The utility model also provides an energy storage system, in an embodiment, energy storage system can include the aforesaid energy storage power supply 1.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A battery control apparatus, characterized in that the apparatus comprises:
the first sampling part is connected with the second output end of the externally expanded battery and a first power supply and is used for sampling the identification voltage of the externally expanded battery and obtaining a first sampling voltage;
the second sampling part is connected with the first output end and the second output end of the externally expanded battery and is used for sampling the output voltage of the externally expanded battery and obtaining a second sampling voltage;
a control unit connected to the first sampling unit, the second sampling unit, and the switching unit, for determining whether the first sampling voltage is within a first predetermined range and whether the second sampling voltage is within a second predetermined range, and outputting a switching control signal to control a switching state of the switching unit based on whether the first sampling voltage is within the first predetermined range and whether the second sampling voltage is within the second predetermined range; and
the switch part is connected with the built-in battery and the external expansion battery and is used for adjusting the switch state of the switch part according to the switch control signal;
when the first sampling voltage is within the first predetermined range and the second sampling voltage is within the second predetermined range, the control unit controls the switching unit to switch to the external battery;
the control unit controls the switching unit to switch to the internal battery when the first sampling voltage is not within the first predetermined range or the second sampling voltage is not within the second predetermined range.
2. The battery control apparatus according to claim 1, wherein the switching section is a double-pole double-throw relay;
the double-pole double-throw relay is provided with a coil, a first fixed contact, a second fixed contact, a first normally open contact, a second normally open contact, a first normally closed contact and a second normally closed contact;
the coil receives the switch control signal; the first normally closed contact is connected with a first output end of the built-in battery, and the second normally closed contact is connected with a second output end of the built-in battery; the first normally open contact is connected with a first output end of the outward-extended battery, and the second normally open contact is connected with a second output end of the outward-extended battery.
3. The battery control apparatus according to claim 2,
under the condition that the control part controls the switch part to be switched to the externally expanded battery, the first normally open contact and the second normally open contact are connected, and the first normally closed contact and the second normally closed contact are disconnected;
when the control unit controls the switch unit to switch to the internal battery, the first normally closed contact and the second normally closed contact are turned on, and the first normally open contact and the second normally open contact are turned off.
4. The battery control apparatus according to claim 1, wherein the control portion includes:
and the singlechip receives the first sampling voltage and the second sampling voltage and outputs the switch control signal.
5. The battery control apparatus according to claim 1, characterized in that the apparatus further comprises:
and the protection part is connected with the external expansion battery and the second sampling part and is used for overcurrent protection.
6. The battery control apparatus according to claim 1, wherein the first sampling portion includes a third resistor and an eleventh resistor;
the first end of the third resistor is connected with the first power supply, the second end of the third resistor is connected with the control part and the first end of the eleventh resistor, and the second end of the eleventh resistor is connected with the second output end of the outward expansion battery.
7. The battery control apparatus according to claim 1, wherein the second sampling portion includes a first resistor and a second resistor;
the first end of the first resistor is connected with the first output end of the outward expansion battery; the second end of the first resistor is connected with the control part and the first end of the second resistor; and the second end of the second resistor is connected with the second output end of the outward expansion battery.
8. An energy storage power supply, comprising:
the battery control apparatus of any one of claims 1 to 7, the external battery, and the internal battery.
9. The energy storage power supply of claim 8,
the externally expanded battery includes: the battery pack management system comprises a first battery pack and a first battery management system, wherein the first battery pack is connected with the first battery management system;
the built-in battery includes: the second battery pack is connected with the second battery management system.
10. An energy storage system, characterized in that the energy storage system comprises the energy storage power supply of any one of claims 8 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022693087.9U CN214380266U (en) | 2020-11-19 | 2020-11-19 | Battery control device, energy storage power supply and energy storage system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022693087.9U CN214380266U (en) | 2020-11-19 | 2020-11-19 | Battery control device, energy storage power supply and energy storage system thereof |
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| Publication Number | Publication Date |
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| CN214380266U true CN214380266U (en) | 2021-10-08 |
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|---|---|---|---|
| CN202022693087.9U Active CN214380266U (en) | 2020-11-19 | 2020-11-19 | Battery control device, energy storage power supply and energy storage system thereof |
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| CN (1) | CN214380266U (en) |
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