CN216623187U - Single bus communication battery management circuit - Google Patents
Single bus communication battery management circuit Download PDFInfo
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- CN216623187U CN216623187U CN202123437680.8U CN202123437680U CN216623187U CN 216623187 U CN216623187 U CN 216623187U CN 202123437680 U CN202123437680 U CN 202123437680U CN 216623187 U CN216623187 U CN 216623187U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a single bus communication battery management circuit, which can enable a battery pack to supply power for electric equipment under a complex electromagnetic environment, has high reliability and stronger battery pack charge holding capacity under low power consumption design energy, and comprises the battery pack, a battery protection system, an electric quantity display circuit and a single bus communication circuit, wherein the battery protection system comprises a battery protection circuit, a detection circuit and a MOSPET switch, the battery protection circuit is connected with the output cathode of the battery pack, the detection circuit is connected with the battery protection circuit and the MOSPET switch, the electric quantity display circuit comprises an electric quantity detection circuit, a single chip microcomputer and an LCD display screen, the electric quantity detection circuit is connected with a Meixin electric meter, the Meixin electric meter is connected with the single chip microcomputer, the single chip microcomputer is connected with the LCD display screen, the electric quantity detection circuit provides signals for the Meixin electric meter, the Meixin electric meter realizes signal display through the single chip microcomputer and the LCD display screen, the single bus communication circuit is connected with the electric system through the Meixin electric meter, the power utilization system is connected with the output end of the battery pack.
Description
Technical Field
The utility model belongs to the technical field of lithium ion batteries, and particularly relates to a unibus communication battery management circuit.
Background
As lithium ion batteries are applied more and more widely, the requirements on battery management circuits are higher and higher. The phenomena of long-term insufficient storage and extreme use of the battery frequently occur in the use process, and most batteries cannot be used in a complex electromagnetic environment.
Disclosure of Invention
In view of the above technical problems, the present invention provides a single bus communication battery management circuit, which can enable a battery pack to supply power to an electrical device in a complex electromagnetic environment, and has high reliability and stronger battery pack charge retention capability in a low power consumption design.
The technical scheme is as follows: a kind of unibus communication battery management circuit, characterized by that: the battery protection system comprises a battery pack, a battery protection system, an electric quantity display circuit and a single bus communication circuit, wherein the battery protection system comprises a battery protection circuit, a detection circuit and an MOSPET switch, the battery protection circuit is connected with an output cathode of the battery pack, the detection circuit is connected with the battery protection circuit and the MOSPET switch, the detection circuit detects that the battery pack is overcharged and overdischarged, the MOSPET switch acts, a charging circuit is powered off, the electric quantity display circuit comprises an electric quantity detection circuit, a single chip microcomputer and an LCD screen, the electric quantity detection circuit is connected with a American telegraph meter, the American telegraph meter is connected with the single chip microcomputer, the single chip microcomputer is connected with the LCD screen, the electric quantity detection circuit provides signals for the American telegraph meter, the American telegraph meter realizes signal display through the single chip microcomputer and the LCD screen, and the single bus communication circuit is connected with an electric system through the American telegraph meter, and providing the battery information to an electric system, wherein the electric system is connected with the output end of the battery pack.
It is further characterized in that the battery protection circuit adopts an S-8245 chip of the Aipriliaceae family; the single-bus communication circuit is connected with the control tube protection circuit and also comprises a power circuit of a single chip microcomputer, the power circuit of the single chip microcomputer is connected with a first power filter circuit to perform primary filtering anti-interference, and the first power filter circuit is connected with a second power filter circuit to realize secondary filtering anti-interference; the electric quantity display circuit also comprises an MCU monitoring circuit and a driving circuit; and an overvoltage clamp is arranged on the battery protection circuit.
The utility model adopts the structure, because the battery protection system comprises a battery protection circuit, a detection circuit and a MOSPET switch, the battery protection circuit is connected with the output cathode of the battery pack, the detection circuit is connected with the battery protection circuit and the MOSPET switch, the detection circuit detects the overcharge and the overdischarge of the battery pack, the MOSPET switch acts, the charging circuit is powered off, the electric quantity display circuit comprises an electric quantity detection circuit, a singlechip and an LCD display screen, the electric quantity detection circuit is connected with a Meixin electric quantity meter, the Meixin electric quantity meter is connected with the singlechip, the singlechip is connected with the LCD display screen, the electric quantity detection circuit provides signals for the Meixin electric quantity meter, the Meixin electric quantity meter realizes signal display through the singlechip and the LCD display screen, the single-bus communication circuit is connected with the electric system through the Meixin electric system, the battery information is provided for the electric system, the electric system is connected with the output end of the battery pack, and the circuit has low-voltage charging protection, The high-low temperature charging protection function has high safety, low power consumption and high electromagnetic compatibility, has a liquid crystal electric quantity display function, can communicate and upload battery pack information, can supply power for electric equipment under a complex electromagnetic environment, and has high reliability and stronger battery pack charge retention capacity in low-power-consumption design.
Drawings
FIG. 1 is a schematic diagram of a single bus communication battery management circuit system according to the present invention;
fig. 2 is a schematic diagram of a battery management circuit for single bus communication according to the present invention.
Detailed Description
The utility model is further illustrated by the following figures and examples.
Referring to fig. 1 and fig. 2, a single bus communication battery management circuit, which includes a battery pack 1, a battery protection system 2, a power display circuit 3 and a single bus communication circuit 4, wherein the battery protection system 2 includes a battery protection circuit 5, a detection circuit 6 and a moshot switch 7, the battery protection circuit 5 is connected to an output cathode of the battery pack, the detection circuit 6 is connected to the battery protection circuit 5 and the moshot switch 7, the detection circuit 6 detects overcharge and overdischarge of the battery pack, the moshot switch 7 operates, the charging circuit is powered off, the power display circuit 3 includes a power detection circuit 8, a single chip microcomputer 10 and an LCD display screen 11, the power detection circuit 8 is connected to a meixin ammeter 9, the meixin ammeter 9 is connected to the single chip microcomputer 10, the single chip microcomputer 10 is connected to the LCD display screen 11, the power detection circuit 12 provides signals for the meixin ammeter 9, the meixin ammeter 9 realizes signal display through the single chip microcomputer 10 and the LCD display screen 11, the single bus communication circuit 4 provides battery information to the power utilization system 12 through the American telegram meter 9, and the power utilization system 12 is connected with the output end of the battery pack.
The battery protection circuit 3 adopts an S-8245 chip of Aiprisco, the battery protection circuit 5 is connected with a charge-discharge temperature control circuit 13 and a charge-discharge control circuit 14, the charge-discharge control circuit 14 is connected with an electric quantity detection circuit 8, the electric quantity detection circuit 8 is connected with a charge control circuit 22, the single-bus communication circuit 4 also comprises a power supply circuit 15, the power supply circuit 15 is connected with the single-bus communication circuit 4 and provides power for the single-bus communication circuit 4, the single-bus communication circuit 4 is connected with a control tube protection circuit 16, the single-bus communication circuit 4 also comprises a power supply circuit 17 of a single chip microcomputer, the power supply circuit 17 of the single chip microcomputer is connected with a first power supply filter circuit 18 for primary filtering anti-interference, the first power supply filter circuit 18 is connected with a second power supply filter circuit 19 for secondary filtering anti-interference, the electric quantity display circuit 3 comprises an MCU monitoring circuit 20 and a driving circuit 21 (a single chip microcomputer MCU), an overvoltage clamp 23 is provided on the battery protection circuit 5.
Above-mentioned utility model records monobus communication battery management circuit is fit for five biggest strings of batteries and uses.
The circuit has the functions of low-voltage charging protection and high-low-temperature charging protection, is high in safety, low in power consumption and high in electromagnetic compatibility, has the function of displaying the electric quantity of liquid crystal, can communicate and upload battery pack information, can enable the battery pack to supply power for electric equipment in a complex electromagnetic environment, is high in reliability, and is higher in battery pack charge retention capacity in low-power-consumption design.
The present invention and its embodiments have been described in detail, without limitation, and the accompanying drawings are only one embodiment of the utility model, and the actual structure is not limited thereto, and those skilled in the art will be suggested by the teachings of the present invention, and without departing from the spirit of the present invention, without creatively designing the similar structural modes and embodiments as the technical solutions, and shall fall within the protection scope of the present invention.
Claims (7)
1. A kind of unibus communication battery management circuit, characterized by that: the battery protection system comprises a battery pack, a battery protection system, an electric quantity display circuit and a single bus communication circuit, wherein the battery protection system comprises a battery protection circuit, a detection circuit and an MOSPET switch, the battery protection circuit is connected with an output cathode of the battery pack, the detection circuit is connected with the battery protection circuit and the MOSPET switch, the detection circuit detects that the battery pack is overcharged and overdischarged, the MOSPET switch acts, a charging circuit is powered off, the electric quantity display circuit comprises an electric quantity detection circuit, a single chip microcomputer and an LCD screen, the electric quantity detection circuit is connected with a American telegraph meter, the American telegraph meter is connected with the single chip microcomputer, the single chip microcomputer is connected with the LCD screen, the electric quantity detection circuit provides signals for the American telegraph meter, the American telegraph meter realizes signal display through the single chip microcomputer and the LCD screen, and the single bus communication circuit is connected with an electric system through the American telegraph meter, and providing the battery information to an electric system, wherein the electric system is connected with the output end of the battery pack.
2. The unibus communication battery management circuit as recited in claim 1, wherein: the battery protection circuit adopts an S-8245 chip of Aipridae.
3. The unibus communication battery management circuit as recited in claim 1, wherein: the battery protection circuit is connected with the charge-discharge temperature control circuit and the charge-discharge control circuit, the charge-discharge control circuit is connected with the electric quantity detection circuit, and the electric quantity detection circuit is connected with the charge control circuit.
4. The unibus communication battery management circuit as recited in claim 1, wherein: the unibus communication battery management circuit further comprises a power supply circuit, wherein the power supply circuit is connected with the unibus communication circuit and provides power for the unibus communication circuit, and the unibus communication circuit is connected with the control tube protection circuit.
5. The unibus communication battery management circuit as recited in claim 1, wherein: the single-bus communication circuit further comprises a power supply circuit of the single-chip microcomputer, the power supply circuit of the single-chip microcomputer is connected with the first power supply filter circuit to achieve first-stage filtering anti-interference, and the first power supply filter circuit is connected with the second power supply filter circuit to achieve second-stage filtering anti-interference.
6. The unibus communication battery management circuit as recited in claim 1, wherein: the electric quantity display circuit also comprises an MCU monitoring circuit and a driving circuit.
7. The unibus communication battery management circuit as recited in claim 1, wherein: and an overvoltage clamp is arranged on the battery protection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123437680.8U CN216623187U (en) | 2021-12-31 | 2021-12-31 | Single bus communication battery management circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123437680.8U CN216623187U (en) | 2021-12-31 | 2021-12-31 | Single bus communication battery management circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216623187U true CN216623187U (en) | 2022-05-27 |
Family
ID=81686550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123437680.8U Active CN216623187U (en) | 2021-12-31 | 2021-12-31 | Single bus communication battery management circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216623187U (en) |
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2021
- 2021-12-31 CN CN202123437680.8U patent/CN216623187U/en active Active
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