CN113629795B - Method for monitoring charging temperature by using temperature control protection charging circuit - Google Patents
Method for monitoring charging temperature by using temperature control protection charging circuit Download PDFInfo
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- CN113629795B CN113629795B CN202110683969.3A CN202110683969A CN113629795B CN 113629795 B CN113629795 B CN 113629795B CN 202110683969 A CN202110683969 A CN 202110683969A CN 113629795 B CN113629795 B CN 113629795B
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- resistor
- pin
- battery management
- icu1
- transistor
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Links
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000012544 monitoring process Methods 0.000 title claims abstract description 7
- 101100496158 Arabidopsis thaliana CLF gene Proteins 0.000 claims abstract description 60
- 239000003990 capacitor Substances 0.000 claims abstract description 16
- 238000007599 discharging Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 5
- 229910001416 lithium ion Inorganic materials 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00309—Overheat or overtemperature protection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00038—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors
- H02J7/00041—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors in response to measured battery parameters, e.g. voltage, current or temperature profile
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- 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
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a method for monitoring charging temperature by using a temperature control protection charging circuit, wherein the 1 st pin of a battery management ICU1 is connected with an emitter of a transistor Q1 through a resistor R6, the 1 st pin of the battery management ICU1 is also connected with the emitter of the transistor Q1 through a capacitor C9 connected with the resistor R6 in series, and the 1 st pin of the battery management ICU1 is also connected with a base of a transistor Q2; the 2 nd pin of the battery management ICU1 is connected with the emitter of the transistor Q1 through a resistor R5; the 3 rd pin of the battery management ICU1 is connected with the base electrode of the transistor Q1 through a resistor R4; the 4 th pin of the battery management ICU1 is connected with the P-port through the resistor R9, after the circuit structure is adopted, the charging temperature is monitored, the charging high-temperature protection and the discharging high-temperature protection are provided on the premise of original charging protection and discharging protection, the charging safety is effectively improved, and the service life of the battery is prolonged.
Description
Technical Field
The invention belongs to the technical field of protection circuits, and relates to a method for monitoring charging temperature by using a temperature control protection charging circuit.
Background
The working temperature of the conventional lithium ion battery is-20-60 ℃, and the low-temperature lithium ion battery made of special materials can discharge in a severe cold environment at-40 ℃, but the voltage and the capacity can be reduced. The lithium ion battery performance is rapidly reduced due to the poor dynamic conditions of the anode and the cathode at low temperature, the viscosity of the electrolyte is increased, the conductivity is reduced and other factors, the lithium ion battery cannot be discharged at low temperature, and more serious, the lithium is easily separated from the cathode during low-temperature charging, so that the battery capacity is extremely rapidly reduced, and particularly in high-latitude areas, the conditions of capacity reduction and large-area damage of the lithium ion battery caused by low temperature are frequently encountered.
Disclosure of Invention
In order to achieve the above purpose, the present invention adopts the following technical scheme:
A method of monitoring a charging temperature using a temperature controlled protection charging circuit, comprising: battery management ICU1;
The 1 st pin of the battery management ICU1 is connected with the emitter of the transistor Q1 through a resistor R6, the 1 st pin of the battery management ICU1 is also connected with the emitter of the transistor Q1 through a capacitor C9 connected with the resistor R6 in series, and the 1 st pin of the battery management ICU1 is also connected with the base of the transistor Q2;
the 2 nd pin of the battery management ICU1 is connected with the emitter of the transistor Q1 through a resistor R5;
the 3 rd pin of the battery management ICU1 is connected with the base electrode of the transistor Q1 through a resistor R4;
the 4 th pin of the battery management ICU1 is connected with the P-port through a resistor R9;
The 5 th pin of the battery management ICU1 is connected with the 6 th pin of the battery management ICU1 through a capacitor C7 and a capacitor C5 which are connected in series;
the 6 th pin of the battery management ICU1 is connected with the 7 th pin of the battery management ICU1 through a capacitor C5;
The 7 th pin of the battery management ICU1 is connected with the 11 th pin of the battery management ICU1 through a resistor F1;
The 10 pin of the battery management ICU1 is connected with the emitter of the transistor Q1 through a resistor R12;
The 11 th pin, the 12 th pin, the 13 th pin, the 14 th pin, the 15 th pin and the 16 th pin of the battery management ICU1 are all connected with the emitter of the transistor Q1;
The 16 th pin of the battery management ICU1 is connected with the emitter of the transistor Q1;
Further comprises: resistor R1, resistor R2, resistor R3, resistor R7 and resistor R10 connected in parallel; one end of a resistor R1 is connected with the P-port, one end of the resistor R1 is also connected with the emitter of the transistor Q1, and the other end of the resistor R1 is also connected with the 15 th pin of the battery management ICU 1;
one end of a resistor R2 is connected with the P-port, one end of the resistor R2 is also connected with the emitter of the transistor Q1, and the other end of the resistor R2 is also connected with the 14 th pin of the battery management ICU 1;
one end of a resistor R3 is connected with the P-port, one end of the resistor R3 is also connected with the emitter of the transistor Q1, and the other end of the resistor R3 is also connected with the 13 th pin of the battery management ICU 1;
One end of a resistor R7 is connected with the P-port, one end of the resistor R7 is also connected with the emitter of the transistor Q1, and the other end of the resistor R7 is also connected with the 12 th pin of the battery management ICU 1;
One end of a resistor R10 is connected with the P-port, one end of the resistor R10 is also connected with the emitter of a transistor Q1, and the other end of the resistor R10 is also connected with the 11 th pin of the battery management ICU1 through a resistor F1;
the collector of the transistor Q1 is connected with the collector of the transistor Q2;
The emitter of the transistor Q2 is connected with the P+ port, and the emitter of the transistor Q2 is also connected with the P-port through a capacitor C8.
As a further scheme of the invention: the battery management ICU1 employs a battery management IC model S-825411 NFT.
The invention has the beneficial effects that: after the circuit structure is adopted, the charging temperature is monitored, the charging high-temperature protection and the discharging high-temperature protection are provided under the premise of original charging protection and discharging protection, the charging safety is effectively improved, and the service life of the battery is prolonged.
Drawings
Fig. 1 is a schematic diagram of the structure of the present invention.
Detailed Description
The technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments, and the present application is not limited by the exemplary embodiments described herein. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The invention provides a method for monitoring charging temperature by using a temperature control protection charging circuit in an embodiment of the invention referring to fig. 1, comprising the following steps: battery management ICU1;
The 1 st pin of the battery management ICU1 is connected with the emitter of the transistor Q1 through a resistor R6, the 1 st pin of the battery management ICU1 is also connected with the emitter of the transistor Q1 through a capacitor C9 connected with the resistor R6 in series, and the 1 st pin of the battery management ICU1 is also connected with the base of the transistor Q2;
the 2 nd pin of the battery management ICU1 is connected with the emitter of the transistor Q1 through a resistor R5;
the 3 rd pin of the battery management ICU1 is connected with the base electrode of the transistor Q1 through a resistor R4;
the 4 th pin of the battery management ICU1 is connected with the P-port through a resistor R9;
The 5 th pin of the battery management ICU1 is connected with the 6 th pin of the battery management ICU1 through a capacitor C7 and a capacitor C5 which are connected in series;
the 6 th pin of the battery management ICU1 is connected with the 7 th pin of the battery management ICU1 through a capacitor C5;
The 7 th pin of the battery management ICU1 is connected with the 11 th pin of the battery management ICU1 through a resistor F1;
The 10 pin of the battery management ICU1 is connected with the emitter of the transistor Q1 through a resistor R12;
The 11 th pin, the 12 th pin, the 13 th pin, the 14 th pin, the 15 th pin and the 16 th pin of the battery management ICU1 are all connected with the emitter of the transistor Q1;
The 16 th pin of the battery management ICU1 is connected with the emitter of the transistor Q1;
Further comprises: resistor R1, resistor R2, resistor R3, resistor R7 and resistor R10 connected in parallel; one end of a resistor R1 is connected with the P-port, one end of the resistor R1 is also connected with the emitter of the transistor Q1, and the other end of the resistor R1 is also connected with the 15 th pin of the battery management ICU 1;
one end of a resistor R2 is connected with the P-port, one end of the resistor R2 is also connected with the emitter of the transistor Q1, and the other end of the resistor R2 is also connected with the 14 th pin of the battery management ICU 1;
one end of a resistor R3 is connected with the P-port, one end of the resistor R3 is also connected with the emitter of the transistor Q1, and the other end of the resistor R3 is also connected with the 13 th pin of the battery management ICU 1;
One end of a resistor R7 is connected with the P-port, one end of the resistor R7 is also connected with the emitter of the transistor Q1, and the other end of the resistor R7 is also connected with the 12 th pin of the battery management ICU 1;
One end of a resistor R10 is connected with the P-port, one end of the resistor R10 is also connected with the emitter of a transistor Q1, and the other end of the resistor R10 is also connected with the 11 th pin of the battery management ICU1 through a resistor F1;
the collector of the transistor Q1 is connected with the collector of the transistor Q2;
The emitter of the transistor Q2 is connected with the P+ port, and the emitter of the transistor Q2 is also connected with the P-port through a capacitor C8.
Further, battery management ICU1 employs a battery management IC model S-825411 NFT.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (2)
1. A method for monitoring a charging temperature using a temperature-controlled protection charging circuit, comprising: battery management ICU1;
The 1 st pin of the battery management ICU1 is connected with the emitter of the transistor Q1 through a resistor R6, the 1 st pin of the battery management ICU1 is also connected with the emitter of the transistor Q1 through a capacitor C9 connected with the resistor R6 in series, and the 1 st pin of the battery management ICU1 is also connected with the base of the transistor Q2;
the 2 nd pin of the battery management ICU1 is connected with the emitter of the transistor Q1 through a resistor R5;
the 3 rd pin of the battery management ICU1 is connected with the base electrode of the transistor Q1 through a resistor R4;
the 4 th pin of the battery management ICU1 is connected with the P-port through a resistor R9;
The 5 th pin of the battery management ICU1 is connected with the 6 th pin of the battery management ICU1 through a capacitor C7 and a capacitor C5 which are connected in series;
the 6 th pin of the battery management ICU1 is connected with the 7 th pin of the battery management ICU1 through a capacitor C5;
The 7 th pin of the battery management ICU1 is connected with the 11 th pin of the battery management ICU1 through a resistor F1;
The 10 pin of the battery management ICU1 is connected with the emitter of the transistor Q1 through a resistor R12;
The 11 th pin, the 12 th pin, the 13 th pin, the 14 th pin, the 15 th pin and the 16 th pin of the battery management ICU1 are all connected with the emitter of the transistor Q1;
The 16 th pin of the battery management ICU1 is connected with the emitter of the transistor Q1;
Further comprises: resistor R1, resistor R2, resistor R3, resistor R7 and resistor R10 connected in parallel; one end of a resistor R1 is connected with the P-port, one end of the resistor R1 is also connected with the emitter of the transistor Q1, and the other end of the resistor R1 is also connected with the 15 th pin of the battery management ICU 1;
one end of a resistor R2 is connected with the P-port, one end of the resistor R2 is also connected with the emitter of the transistor Q1, and the other end of the resistor R2 is also connected with the 14 th pin of the battery management ICU 1;
one end of a resistor R3 is connected with the P-port, one end of the resistor R3 is also connected with the emitter of the transistor Q1, and the other end of the resistor R3 is also connected with the 13 th pin of the battery management ICU 1;
One end of a resistor R7 is connected with the P-port, one end of the resistor R7 is also connected with the emitter of the transistor Q1, and the other end of the resistor R7 is also connected with the 12 th pin of the battery management ICU 1;
One end of a resistor R10 is connected with the P-port, one end of the resistor R10 is also connected with the emitter of a transistor Q1, and the other end of the resistor R10 is also connected with the 11 th pin of the battery management ICU1 through a resistor F1;
the collector of the transistor Q1 is connected with the collector of the transistor Q2;
the emitter of the transistor Q2 is connected with the P+ port, and the emitter of the transistor Q2 is also connected with the P-port through a capacitor C8;
On the premise of original charge protection and discharge protection, the temperature control charge protection circuit provides charge high temperature protection and discharge high temperature protection.
2. The method of claim 1, wherein the battery management ICU1 is a battery management IC of model S-825411 NFT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110683969.3A CN113629795B (en) | 2021-06-21 | 2021-06-21 | Method for monitoring charging temperature by using temperature control protection charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110683969.3A CN113629795B (en) | 2021-06-21 | 2021-06-21 | Method for monitoring charging temperature by using temperature control protection charging circuit |
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| Publication Number | Publication Date |
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| CN113629795A CN113629795A (en) | 2021-11-09 |
| CN113629795B true CN113629795B (en) | 2024-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110683969.3A Active CN113629795B (en) | 2021-06-21 | 2021-06-21 | Method for monitoring charging temperature by using temperature control protection charging circuit |
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| CN207896656U (en) * | 2018-02-08 | 2018-09-21 | 东莞市吉瑞达实业有限公司 | A kind of battery protecting plate |
| CN211720295U (en) * | 2020-04-13 | 2020-10-20 | 南通隆力电子科技有限公司 | Lithium battery protection board charging self-locking circuit |
| CN112769105A (en) * | 2021-01-20 | 2021-05-07 | 广州市云通磁电股份有限公司 | Dual over-temperature protection circuit of battery pack |
| CN216121826U (en) * | 2021-06-21 | 2022-03-22 | 东莞市吉瑞达实业有限公司 | Temperature control protection charging circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI389412B (en) * | 2009-09-08 | 2013-03-11 | Simplo Technology Co Ltd | Charge/discharge protection circuit and discharge protection method |
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2021
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|---|---|---|---|---|
| CN101582594A (en) * | 2008-05-16 | 2009-11-18 | 富港电子（东莞）有限公司 | Charging control circuit |
| CN102111007A (en) * | 2011-03-18 | 2011-06-29 | 青岛海信移动通信技术股份有限公司 | Battery charging circuit with protection function and seat-type charger |
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| CN216121826U (en) * | 2021-06-21 | 2022-03-22 | 东莞市吉瑞达实业有限公司 | Temperature control protection charging circuit |
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| Publication number | Publication date |
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| CN113629795A (en) | 2021-11-09 |
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