CN115800456B - Anti-reverse connection intelligent protection control system for charging and discharging lithium ion battery module - Google Patents
Anti-reverse connection intelligent protection control system for charging and discharging lithium ion battery module Download PDFInfo
- Publication number
- CN115800456B CN115800456B CN202211557035.6A CN202211557035A CN115800456B CN 115800456 B CN115800456 B CN 115800456B CN 202211557035 A CN202211557035 A CN 202211557035A CN 115800456 B CN115800456 B CN 115800456B
- Authority
- CN
- China
- Prior art keywords
- reverse connection
- lithium ion
- ion battery
- module
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention provides a charge-discharge reverse connection-preventing intelligent protection control system for a lithium ion battery module. The lithium ion battery module charging and discharging reverse connection preventing intelligent protection control system comprises a power end reverse connection control module, a lithium ion battery module and a load end reverse connection control module; the signal input end of the power end reverse connection control module is respectively connected with the positive and negative terminal ports of the power equipment; the signal acquisition end of the power end reverse connection control module is connected with the negative electrode end of the lithium ion battery module; the signal input end of the load end reverse connection control module is respectively connected with the positive and negative end ports of the load equipment; and the signal acquisition end of the load end reverse connection control module is connected with the negative electrode end of the lithium ion battery module.
Description
Technical Field
The invention provides a charge-discharge reverse connection-preventing intelligent protection control system for a lithium ion battery module, and belongs to the technical field of lithium batteries.
Background
The lithium ion battery is a chargeable and dischargeable battery with limited charge and discharge times, and in the charge and discharge process of the existing lithium ion battery, if the lithium ion battery is reversely connected, a large amount of heat is generated, and risks such as combustion and explosion are easy to occur. In addition, when the lithium ion battery is reversely discharged, risks such as combustion and explosion may occur. Therefore, the existing lithium ion battery needs a protection circuit to protect the lithium ion battery in the charging or discharging process so as to prevent accidents.
Disclosure of Invention
The invention provides a lithium ion battery module charging and discharging reverse connection preventing intelligent protection control system, which is used for solving the problems of longer charging time and lower charging efficiency of a lithium ion battery when the lithium ion battery charging and discharging are carried out simultaneously in the prior art.
The lithium ion battery module charging and discharging anti-reverse connection intelligent protection control system comprises a power end reverse connection control module, a lithium ion battery module and a load end reverse connection control module; the signal input end of the power end reverse connection control module is respectively connected with the positive and negative terminal ports of the power equipment; the signal acquisition end of the power end reverse connection control module is connected with the negative electrode end of the lithium ion battery module; the signal input end of the load end reverse connection control module is respectively connected with the positive and negative end ports of the load equipment; and the signal acquisition end of the load end reverse connection control module is connected with the negative electrode end of the lithium ion battery module.
Further, the power end reverse connection control module comprises a first switch circuit and a first reverse connection intelligent control module; the first switch circuit is arranged on a circuit connecting the power supply equipment with the negative electrode end of the lithium ion battery module; the switch control signal output end of the first reverse connection intelligent control module is connected with the control signal input end of the first switch circuit.
Further, the signal input ends of the first inverse connection intelligent control module are respectively connected with the positive and negative terminal ports of the power supply equipment.
Further, the load end reverse connection control module comprises a second switch circuit and a second reverse connection intelligent control module; the second switch circuit is arranged on a line connecting the load equipment and the negative electrode end of the lithium ion battery module; and the switch control signal output end of the second inverse connection intelligent control module is connected with the control signal input end of the second switch circuit.
Further, the signal input ends of the second inverse connection intelligent control module are respectively connected with the positive and negative terminal ports of the load equipment.
Further, the first reverse connection intelligent control module and the second reverse connection intelligent control module both adopt a control circuit module with a singlechip as a core.
Further, the reverse connection control method of the power supply end reverse connection control module comprises the following steps:
step 1, when power supply equipment is connected, polarity attributes of two ends connected with the power supply equipment are obtained through a first reverse connection intelligent control module;
step 2, judging whether the signal port of the power supply equipment connected with the positive and negative input ends of the first reverse connection intelligent control module is the corresponding positive and negative attribute according to the obtained polarity attribute of the two ends connected with the power supply equipment, and obtaining a judging result;
and step 3, if the judgment result is that the signal port of the power supply equipment connected with the positive and negative input ends of the first reverse connection intelligent control module is not the corresponding positive and negative attribute, the first reverse connection intelligent control module controls the first switch circuit to be disconnected, so that a charging circuit between the power supply equipment and the lithium ion battery module is in an open circuit state.
Further, the reverse connection control method of the load end reverse connection control module comprises the following steps:
step 1, when load equipment is accessed, polarity attributes of two ends connected with the load equipment are obtained through a second reverse connection intelligent control module;
step 2, judging whether the signal port of the load equipment connected with the positive and negative input ends of the second reverse connection intelligent control module is the corresponding positive and negative attribute according to the obtained polarity attribute of the two ends of the load equipment, and obtaining a judgment result;
and step 3, if the judgment result is that the signal port of the load equipment connected with the positive and negative input ends of the second reverse connection intelligent control module is not the corresponding positive and negative attribute, the second reverse connection intelligent control module controls the second switch circuit to be disconnected, so that a discharge circuit between the load equipment and the lithium ion battery module is in an open circuit state.
Further, the lithium ion battery module comprises a lithium ion battery circuit, a charging control circuit module and a discharging control circuit module; the charging control signal end of the charging control circuit module is connected with the charging control signal input end of the lithium ion battery circuit; the discharging control signal end of the charging control circuit module is connected with the discharging control signal input end of the lithium ion battery circuit; the signal input end of the charging control circuit module is connected with the power supply signal output end of the power supply equipment; the signal input end of the discharge control circuit module is connected with the interface end of the load equipment; the data transmission end of the discharging control circuit is connected with the data transmission end of the charging control circuit.
Further, the charge and discharge control method of the lithium ion battery module comprises the following steps:
step 1, under the condition that the connection of the positive electrode and the negative electrode of power supply equipment is correct, charging a lithium ion battery circuit according to a preset first charging power through a charging control circuit module; the first charging power is 92% of the rated charging power of the lithium ion battery;
step 2, monitoring whether a discharging circuit between the load equipment and the lithium ion battery module is in a passage state or not in real time through a discharging control circuit module, collecting rated charging power when the load equipment is charged when the discharging circuit between the load equipment and the lithium ion battery module is judged to be in the passage state, and sending the rated charging power to a charging control circuit module; the rated charging power corresponds to the discharging power when the lithium ion battery discharges the load equipment;
step 3, the charging control circuit module adjusts and sets the charging power and the discharging power of the lithium ion battery circuit according to the specific value of the rated charging power, obtains the second charging power and the adjusted discharging power, and sends the value information corresponding to the adjusted discharging power to the discharging control circuit; the second charging power is the rated charging power of the lithium ion battery, and the adjusted discharging power is obtained through the following formula:
wherein P represents the adjusted discharge power; p1 represents a first charging power; pe represents a rated charging power when the load device is charged; p2 represents a second charging power;
and 4, controlling the lithium ion battery to charge according to the second charging power by the charging control circuit module, and simultaneously controlling the lithium ion battery to discharge the load by the discharging control circuit according to the adjusted discharging power.
The invention has the beneficial effects that:
the embodiment of the invention provides a lithium ion battery module charging and discharging reverse connection preventing intelligent protection control system, which is characterized in that a power end reverse connection controlling module and a load end reverse connection controlling module are respectively and correspondingly arranged between power equipment and a lithium ion battery and between the lithium ion battery and the load equipment, so that reverse connection preventing detection can be carried out in the charging process of the lithium ion battery and the discharging process of the lithium ion battery to the load equipment, and further the damage probability of the lithium ion battery and the load equipment is effectively prevented. Meanwhile, the service life of the lithium ion battery can be effectively prolonged in a mode of carrying out secondary full charge under the condition that the charging efficiency of independently charging the lithium ion battery is not affected by the setting of the first charging power, and meanwhile, the problem that the service life is reduced due to the fact that the power supply end is increased by large current in the full charge process and the aging of the control module is reduced can be solved. On the other hand, the matching property of the charge and discharge power of the lithium ion battery under the condition that the charge and discharge of the lithium ion battery are carried out simultaneously can be effectively improved through the second charge power and the method for adjusting the discharge power, the charge efficiency of the lithium ion battery can be improved under the condition that the charge efficiency of a load is not influenced or reduced, and the problem that the performance of the lithium ion battery is reduced due to the fact that the charge efficiency of the lithium ion battery is reduced in the process of carrying out the charge and discharge simultaneously due to the fact that the charge efficiency is too high is prevented from being reduced, and the full charge state cannot be achieved for a long time is solved.
Drawings
Fig. 1 is a system block diagram of a lithium ion battery module charge-discharge reverse connection prevention intelligent protection control system according to the invention;
fig. 2 is a schematic structural diagram of the lithium ion battery module according to the present invention;
FIG. 3 is a flowchart of a reverse connection control method of the reverse connection control module of the power supply end according to the present invention;
fig. 4 is a diagram illustrating a charge and discharge control method of a lithium ion battery module according to the present invention.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
The embodiment of the invention provides a charge-discharge reverse connection prevention intelligent protection control system of a lithium ion battery module, which is shown in fig. 1 and comprises a power end reverse connection control module, a lithium ion battery module and a load end reverse connection control module; the signal input end of the power end reverse connection control module is respectively connected with the positive and negative terminal ports of the power equipment; the signal acquisition end of the power end reverse connection control module is connected with the negative electrode end of the lithium ion battery module; the signal input end of the load end reverse connection control module is respectively connected with the positive and negative end ports of the load equipment; and the signal acquisition end of the load end reverse connection control module is connected with the negative electrode end of the lithium ion battery module.
The power end reverse connection control module comprises a first switch circuit and a first reverse connection intelligent control module; the first switch circuit is arranged on a circuit connecting the power supply equipment with the negative electrode end of the lithium ion battery module; the switch control signal output end of the first reverse connection intelligent control module is connected with the control signal input end of the first switch circuit. And the signal input end of the first reverse connection intelligent control module is respectively connected with the positive and negative terminal ports of the power supply equipment.
The load end reverse connection control module comprises a second switch circuit and a second reverse connection intelligent control module; the second switch circuit is arranged on a line connecting the load equipment and the negative electrode end of the lithium ion battery module; and the switch control signal output end of the second inverse connection intelligent control module is connected with the control signal input end of the second switch circuit. And the signal input end of the second inverse connection intelligent control module is respectively connected with the positive and negative terminal ports of the load equipment. And the first reverse connection intelligent control module and the second reverse connection intelligent control module both adopt a control circuit module with a singlechip as a core.
The reverse connection control method of the power supply end reverse connection control module comprises the following steps:
step 1, when power supply equipment is connected, polarity attributes of two ends connected with the power supply equipment are obtained through a first reverse connection intelligent control module;
step 2, judging whether the signal port of the power supply equipment connected with the positive and negative input ends of the first reverse connection intelligent control module is the corresponding positive and negative attribute according to the obtained polarity attribute of the two ends connected with the power supply equipment, and obtaining a judging result;
and step 3, if the judgment result is that the signal port of the power supply equipment connected with the positive and negative input ends of the first reverse connection intelligent control module is not the corresponding positive and negative attribute, the first reverse connection intelligent control module controls the first switch circuit to be disconnected, so that a charging circuit between the power supply equipment and the lithium ion battery module is in an open circuit state.
The reverse connection control method of the load end reverse connection control module comprises the following steps:
step 1, when load equipment is accessed, polarity attributes of two ends connected with the load equipment are obtained through a second reverse connection intelligent control module;
step 2, judging whether the signal port of the load equipment connected with the positive and negative input ends of the second reverse connection intelligent control module is the corresponding positive and negative attribute according to the obtained polarity attribute of the two ends of the load equipment, and obtaining a judgment result;
and step 3, if the judgment result is that the signal port of the load equipment connected with the positive and negative input ends of the second reverse connection intelligent control module is not the corresponding positive and negative attribute, the second reverse connection intelligent control module controls the second switch circuit to be disconnected, so that a discharge circuit between the load equipment and the lithium ion battery module is in an open circuit state.
The working principle and the effect of the technical scheme are as follows: the embodiment of the invention provides a lithium ion battery module charging and discharging reverse connection preventing intelligent protection control system, which is characterized in that a power end reverse connection controlling module and a load end reverse connection controlling module are respectively and correspondingly arranged between power equipment and a lithium ion battery and between the lithium ion battery and the load equipment, so that reverse connection preventing detection can be carried out in the charging process of the lithium ion battery and the discharging process of the lithium ion battery to the load equipment, and further the damage probability of the lithium ion battery and the load equipment is effectively prevented.
In one embodiment of the invention, the lithium ion battery module comprises a lithium ion battery circuit, a charging control circuit module and a discharging control circuit module; the charging control signal end of the charging control circuit module is connected with the charging control signal input end of the lithium ion battery circuit; the discharging control signal end of the charging control circuit module is connected with the discharging control signal input end of the lithium ion battery circuit; the signal input end of the charging control circuit module is connected with the power supply signal output end of the power supply equipment; the signal input end of the discharge control circuit module is connected with the interface end of the load equipment; the data transmission end of the discharging control circuit is connected with the data transmission end of the charging control circuit.
The charge and discharge control method of the lithium ion battery module comprises the following steps:
step 1, under the condition that the connection of the positive electrode and the negative electrode of power supply equipment is correct, charging a lithium ion battery circuit according to a preset first charging power through a charging control circuit module; the first charging power is 92% of the rated charging power of the lithium ion battery;
step 2, monitoring whether a discharging circuit between the load equipment and the lithium ion battery module is in a passage state or not in real time through a discharging control circuit module, collecting rated charging power when the load equipment is charged when the discharging circuit between the load equipment and the lithium ion battery module is judged to be in the passage state, and sending the rated charging power to a charging control circuit module; the rated charging power corresponds to the discharging power when the lithium ion battery discharges the load equipment;
step 3, the charging control circuit module adjusts and sets the charging power and the discharging power of the lithium ion battery circuit according to the specific value of the rated charging power, obtains the second charging power and the adjusted discharging power, and sends the value information corresponding to the adjusted discharging power to the discharging control circuit module; the second charging power is the rated charging power of the lithium ion battery, and the adjusted discharging power is obtained through the following formula:
wherein P represents the adjusted discharge power; p1 represents a first charging power; pe represents a rated charging power when the load device is charged; p2 represents a second charging power;
and 4, controlling the lithium ion battery to charge according to the second charging power by the charging control circuit module, and simultaneously controlling the lithium ion battery to discharge the load by the discharging control circuit according to the adjusted discharging power.
The working principle and the effect of the technical scheme are as follows: the mode that can carry out the full charge of time under the circumstances that does not influence the charging efficiency that lithium ion battery singly charges through the setting of first charging power effectively improves lithium ion battery's life, can prevent simultaneously that the heavy current in the full charge in-process from increasing the ageing reduction life's of power end reverse connection control module problem emergence. On the other hand, the matching property of the charge and discharge power of the lithium ion battery under the condition that the charge and discharge of the lithium ion battery are carried out simultaneously can be effectively improved through the second charge power and the method for adjusting the discharge power, the charge efficiency of the lithium ion battery can be improved under the condition that the charge efficiency of a load is not influenced or reduced, and the problem that the performance of the lithium ion battery is reduced due to the fact that the charge efficiency of the lithium ion battery is reduced in the process of carrying out the charge and discharge simultaneously due to the fact that the charge efficiency is too high is prevented from being reduced, and the full charge state cannot be achieved for a long time is solved.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (8)
1. The intelligent protection control system for preventing reverse connection of charge and discharge of the lithium ion battery module is characterized by comprising a power end reverse connection control module, a lithium ion battery module and a load end reverse connection control module; the signal input end of the power end reverse connection control module is respectively connected with the positive and negative terminal ports of the power equipment; the signal acquisition end of the power end reverse connection control module is connected with the negative electrode end of the lithium ion battery module; the signal input end of the load end reverse connection control module is respectively connected with the positive and negative end ports of the load equipment; the signal acquisition end of the load end reverse connection control module is connected with the negative electrode end of the lithium ion battery module;
the lithium ion battery module comprises a lithium ion battery circuit, a charging control circuit module and a discharging control circuit module; the charging control signal end of the charging control circuit module is connected with the charging control signal input end of the lithium ion battery circuit; the discharge control signal end of the discharge control circuit module is connected with the discharge control signal input end of the lithium ion battery circuit; the signal input end of the charging control circuit module is connected with the power supply signal output end of the power supply equipment; the signal input end of the discharge control circuit module is connected with the interface end of the load equipment; the data transmission end of the discharging control circuit is connected with the data transmission end of the charging control circuit;
the charge and discharge control method of the lithium ion battery module comprises the following steps:
step 1, under the condition that the connection of the positive electrode and the negative electrode of power supply equipment is correct, charging a lithium ion battery circuit according to a preset first charging power through a charging control circuit module; the first charging power is 92% of the rated charging power of the lithium ion battery;
step 2, monitoring whether a discharging circuit between the load equipment and the lithium ion battery module is in a passage state or not in real time through a discharging control circuit module, collecting rated charging power when the load equipment is charged when the discharging circuit between the load equipment and the lithium ion battery module is judged to be in the passage state, and sending the rated charging power to a charging control circuit module; the rated charging power corresponds to the discharging power when the lithium ion battery discharges the load equipment;
step 3, the charging control circuit module adjusts and sets the charging power and the discharging power of the lithium ion battery circuit according to the specific value of the rated charging power, obtains the second charging power and the adjusted discharging power, and sends the value information corresponding to the adjusted discharging power to the discharging control circuit module; the second charging power is the rated charging power of the lithium ion battery, and the adjusted discharging power is obtained through the following formula:
wherein P represents the adjusted discharge power; p1 represents a first charging power; pe represents a rated charging power when the load device is charged; p2 represents a second charging power;
and 4, the charging control circuit module controls the lithium ion battery circuit to charge according to the second charging power, and meanwhile, the discharging control circuit module controls the lithium ion battery circuit to discharge the load equipment according to the adjusted discharging power.
2. The intelligent protection control system for preventing reverse connection of charge and discharge of a lithium ion battery module according to claim 1, wherein the power end reverse connection control module comprises a first switch circuit and a first reverse connection intelligent control module; the first switch circuit is arranged on a circuit connecting the power supply equipment with the negative electrode end of the lithium ion battery module; the switch control signal output end of the first reverse connection intelligent control module is connected with the control signal input end of the first switch circuit.
3. The intelligent protection control system for preventing reverse connection of charge and discharge of lithium ion battery module according to claim 2, wherein the signal input end of the first reverse connection intelligent control module is connected with the positive and negative terminal ports of the power supply device respectively.
4. The intelligent protection control system for preventing reverse connection of charge and discharge of a lithium ion battery module according to claim 1, wherein the load end reverse connection control module comprises a second switch circuit and a second reverse connection intelligent control module; the second switch circuit is arranged on a line connecting the load equipment and the negative electrode end of the lithium ion battery module; and the switch control signal output end of the second inverse connection intelligent control module is connected with the control signal input end of the second switch circuit.
5. The intelligent protection control system for preventing reverse connection of charge and discharge of lithium ion battery module according to claim 4, wherein the signal input end of the second reverse connection intelligent control module is connected with the positive and negative terminal ports of the load device respectively.
6. The intelligent protection control system for preventing reverse connection of charge and discharge of lithium ion battery module according to claim 2 or 4, wherein the first reverse connection intelligent control module and the second reverse connection intelligent control module both adopt control circuit modules with single chip microcomputer as cores.
7. The intelligent protection control system for preventing reverse connection of charge and discharge of a lithium ion battery module according to claim 2, wherein the reverse connection control method of the power end reverse connection control module comprises the following steps:
step 1, when power supply equipment is connected, polarity attributes of two ends connected with the power supply equipment are obtained through a first reverse connection intelligent control module;
step 2, judging whether the signal port of the power supply equipment connected with the positive and negative input ends of the first reverse connection intelligent control module is the corresponding positive and negative attribute according to the obtained polarity attribute of the two ends connected with the power supply equipment, and obtaining a judging result;
and step 3, if the judgment result is that the signal port of the power supply equipment connected with the positive and negative input ends of the first reverse connection intelligent control module is not the corresponding positive and negative attribute, the first reverse connection intelligent control module controls the first switch circuit to be disconnected, so that a charging circuit between the power supply equipment and the lithium ion battery module is in an open circuit state.
8. The intelligent protection control system for preventing reverse connection of charge and discharge of a lithium ion battery module according to claim 4, wherein the reverse connection control method of the load end reverse connection control module comprises the following steps:
step 1, when load equipment is accessed, polarity attributes of two ends connected with the load equipment are obtained through a second reverse connection intelligent control module;
step 2, judging whether the signal port of the load equipment connected with the positive and negative input ends of the second reverse connection intelligent control module is the corresponding positive and negative attribute according to the obtained polarity attribute of the two ends of the load equipment, and obtaining a judgment result;
and step 3, if the judgment result is that the signal port of the load equipment connected with the positive and negative input ends of the second reverse connection intelligent control module is not the corresponding positive and negative attribute, the second reverse connection intelligent control module controls the second switch circuit to be disconnected, so that a discharge circuit between the load equipment and the lithium ion battery module is in an open circuit state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211557035.6A CN115800456B (en) | 2022-12-06 | 2022-12-06 | Anti-reverse connection intelligent protection control system for charging and discharging lithium ion battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211557035.6A CN115800456B (en) | 2022-12-06 | 2022-12-06 | Anti-reverse connection intelligent protection control system for charging and discharging lithium ion battery module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115800456A CN115800456A (en) | 2023-03-14 |
| CN115800456B true CN115800456B (en) | 2023-06-27 |
Family
ID=85417442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211557035.6A Active CN115800456B (en) | 2022-12-06 | 2022-12-06 | Anti-reverse connection intelligent protection control system for charging and discharging lithium ion battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115800456B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111817408A (en) * | 2020-09-10 | 2020-10-23 | 苏州赛芯电子科技有限公司 | 0V rechargeable lithium battery protection system and battery system with anti-load reverse connection function |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120037837A (en) * | 2010-10-12 | 2012-04-20 | 삼성에스디아이 주식회사 | Fuel cell system and method for operating the same |
| CN104111388B (en) * | 2014-06-20 | 2017-08-08 | 国家电网公司 | A kind of wind power plant energy storage test system and appraisal procedure |
| CN109494793B (en) * | 2018-11-23 | 2022-07-08 | 中国电建集团上海能源装备有限公司 | Lithium-capacitor-based photovoltaic graded energy storage system with primary frequency modulation function |
| CN213846257U (en) * | 2020-09-14 | 2021-07-30 | 深圳市华思旭科技有限公司 | Intelligent control system, emergency starting power supply and intelligent storage battery clamp |
| CN112366791A (en) * | 2020-11-19 | 2021-02-12 | 深圳市华思旭科技有限公司 | Intelligent connecting device, starting power supply and storage battery clamp |
| CN215528681U (en) * | 2020-12-25 | 2022-01-14 | 深圳市智微智能科技股份有限公司 | Photovoltaic cell charge-discharge control circuit and device based on remote monitoring |
| CN217545591U (en) * | 2022-01-26 | 2022-10-04 | 北京汇能精电科技股份有限公司 | Double-end reverse connection protection device of solar charge-discharge controller |
-
2022
- 2022-12-06 CN CN202211557035.6A patent/CN115800456B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111817408A (en) * | 2020-09-10 | 2020-10-23 | 苏州赛芯电子科技有限公司 | 0V rechargeable lithium battery protection system and battery system with anti-load reverse connection function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115800456A (en) | 2023-03-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107231015B (en) | A kind of battery, terminal and charging system | |
| CN101272060B (en) | Charger for storage battery | |
| CN103597688A (en) | Over-current protection device of secondary battery, protection method thereof, and battery pack thereof | |
| KR20090072281A (en) | A over voltage prtection circuit of cell of battery pack for a hybrid electric vehicle and the method thereof | |
| US10367358B2 (en) | Active equalizing charging device | |
| CN107994640A (en) | The battery management system and its management method of passive trigger-type charging current limiter | |
| CN110768330A (en) | Charging and discharging control method and device and UPS system | |
| WO2020181437A1 (en) | Cell protection circuit and electronic device | |
| CN203456930U (en) | Compound energy system | |
| CN2922234Y (en) | Over-discharge protecting circuit for power lithium ion cell | |
| CN211239354U (en) | Main loop control circuit of energy storage equipment | |
| CN115800456B (en) | Anti-reverse connection intelligent protection control system for charging and discharging lithium ion battery module | |
| CN208827633U (en) | Battery management system | |
| CN103296726A (en) | Battery energy storage module, control method thereof and energy storage power supply system | |
| CN2938522Y (en) | Overload protection circuit of power lithium ion battery | |
| CN215009658U (en) | Battery protection circuit and rechargeable battery | |
| CN2922233Y (en) | Over-charging protecting circuit for power lithium ion cell | |
| CN112583066A (en) | Forklift lithium iron phosphate battery charging method | |
| CN203104045U (en) | Main circuit of solar charging controller | |
| CN202218007U (en) | Power lithium ion battery protective circuit | |
| CN111293746A (en) | Efficient battery energy overall balancing method | |
| CN201044354Y (en) | Multi-joint series protective circuit of lithium cell | |
| CN216290262U (en) | Charge-discharge control circuit of new energy vehicle power battery | |
| CN211957830U (en) | Repair system of power lithium battery | |
| CN212343374U (en) | Protection circuit of variable voltage lithium cell group |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |