CN207382029U - Self-heating charging control system for lithium battery under a kind of low temperature - Google Patents
Self-heating charging control system for lithium battery under a kind of low temperature Download PDFInfo
- Publication number
- CN207382029U CN207382029U CN201721491476.5U CN201721491476U CN207382029U CN 207382029 U CN207382029 U CN 207382029U CN 201721491476 U CN201721491476 U CN 201721491476U CN 207382029 U CN207382029 U CN 207382029U
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- China
- Prior art keywords
- circuit
- lithium battery
- charging control
- heating
- output terminal
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 79
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 238000010438 heat treatment Methods 0.000 title claims abstract description 68
- 238000004891 communication Methods 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 230000005611 electricity Effects 0.000 claims description 9
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
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
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- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model is related to lithium battery technical field of heating, more particularly relate to self-heating charging control system for lithium battery under a kind of low temperature；Self-heating charging control system for lithium battery under a kind of low temperature of the utility model, by solar photovoltaic assembly (1), lithium battery group (2), Master control chip (3), power circuit (4), charging control circuit (5), battery equalizing circuit (6), PTC heating control circuits (7), voltage detecting circuit (8), current detection circuit (9), temperature sensing circuit (10), CAN communication module (11), PTC heating plates (12) and host computer (13) composition；The beneficial effects of the utility model：The utility model extends the service life that lithium battery uses at low ambient temperatures, simple in structure, reliability is high, capacity usage ratio is high and cheap.
Description
Technical field
The utility model is related to lithium battery technical field of heating, more particularly relate to self-heating lithium battery under a kind of low temperature and fill
Electric control system.
Background technology
Qinghai-Tibet sunshine on daytime is strong, possesses sufficient Luminous energy resource, light is made full use of using photovoltaic-lithium electric system
Can, electric energy is converted light energy into, and be stored in lithium battery, although low temperature environment influences lithium battery discharge performance less,
It is the charging performance that can seriously affect lithium battery, shortens the service life of lithium battery, the high and cold Qinghai-Tibet Platean ground of China's High aititude
There is this at present in the photovoltaic in area-lithium electric system.
The existing safe and reliable lithium battery for being suitable for using under low temperature is expensive, and be mainly used in scientific investigation, army,
The special occasions such as the disaster relief, the photovoltaic-lithium electric lighting and other electricity systems being laid with as extremely frigid zones large area just need one kind
Low temperature environment self-heating lithium electric system simple in structure, cheap, security performance is high.
The content of the invention
The purpose of this utility model is to be directed to more than particular problem, the defects of in order to overcome the prior art, so as to provide one
Kind simple in structure, cheap, security performance is high and capacity usage ratio it is high in a low temperature of self-heating charging control system for lithium battery.
The utility model is that technical solution is to construct self-heating lithium electricity under a kind of low temperature used by solving its technical problem
Pond charge control system, by solar photovoltaic assembly 1, lithium battery group 2, Master control chip 3, power circuit 4, charging control circuit
5th, battery equalizing circuit 6, PTC heating control circuits 7, voltage detecting circuit 8, current detection circuit 9, temperature sensing circuit 10,
CAN communication module 11, PTC heating plates 12 and host computer 13 form；
The output terminal of solar photovoltaic assembly 1 respectively with charging control circuit 5 and the input terminal of PTC heating control circuits 7
Connection, the input terminal of the output terminal connection PTC heating control circuits 7 of charging control circuit 5, the output terminal of charging control circuit 5
The input terminal of lithium battery group 2 and battery equalizing circuit 6 is connected respectively, and battery equalizing circuit 6 is in parallel with lithium battery group 2, PTC heating
The input terminal of the output terminal connection PTC heating plates 12 of control circuit 7；
The input terminal of the output terminal connection Master control chip 3 of power circuit 4, the output terminal connection CAN of Master control chip 3 lead to
Interrogate 11 input terminal of module, the input terminal of the output terminal connection PTC heating control circuits 7 of CAN communication module 11, host computer 13 it is defeated
The input terminal of outlet connection CAN communication module 11；
PTC heating plates 12 are fastened on the surrounding of lithium battery group 2, and the output terminal of lithium battery group 2 connects voltage detecting electricity respectively
Road 8, current detection circuit 9, the input terminal of temperature sensing circuit 10, voltage detecting circuit 8, current detection circuit 9, temperature detection
The output terminal of circuit 10 connects the input terminal of Master control chip 3 respectively.Preferably, the Master control chip 3 is mono- for MSP430
Piece machine.
Preferably, the CAN communication module 11 is MCP2515 controllers.
Preferably, the CAN communication module 11 is equipped with transceiver.
Preferably, PWM is equipped in the Master control chip 3, PWM is pulse width modulation, to charging control circuit 5
The break-make control of electric current.
Preferably, the solar photovoltaic assembly 1 provides electric energy by PTC heating control circuits 7 for PTC heating plates 12
It is heated to lithium battery group 2.
PTC heating plates 12 are formed using PTC ceramics heater element and aluminum pipe；The type PTC heating plates have thermal resistance it is small, heat exchange
The advantages of efficient, be a kind of automatic constant-temperature, the electric heater of power saving, safe, will not be generated such as electric heating tubing heater
Surface " rubescent " phenomenon, so as to cause security risks such as scald, fire.
7 function of PTC heating control circuits be receive Master control chip 3 send control instruction, in real time with Master control chip 3
On 11 interaction data of CAN communication module and driving PTC heating plates 12.
Temperature sensing circuit 10 monitors 2 temperature of lithium battery group in real time, when minimum temperature (can be according to tool less than or equal to 0 DEG C
Body situation set temperature value) when, Master control chip 3 will control PTC heating control circuits 7 to carry out heating work.And continue in real time
2 temperature of lithium battery group is gathered, when minimum temperature is greater than or equal to 15 DEG C (can set temperature value), the driving of Master control chip 3 is filled
Electric control circuit 5 carries out charging work, and PTC heating control circuits 7 stop heating work.
The major function of voltage detecting circuit 8 and current detection circuit 9 is the voltage and electricity of real-time acquisition lithium battery group 2
Stream, and these parameters are transmitted to Master control chip 3 and are handled.
Battery equalizing circuit 6 is 2 charging balanced circuit of lithium battery group, when lithium battery group 2 charges, if a lithium battery
Cell voltage is more than certain certain value (can set voltage value as the case may be) and, Master control chip higher than other lithium cells
3 pairs of high lithium cells of this voltage control, and are closed its corresponding variable connector, open corresponding shunt resistance device, from
And the voltage of this section high lithium cells of voltage is made to drop to the level of other battery cell voltages.This circulating repetition so that every
The lithium battery of a unit being capable of equilibrium charging.
Self-heating charging control system for lithium battery has the advantages that under a kind of low temperature of the utility model：
(1) self-heating charging control system for lithium battery is designed as adding lithium battery under low temperature under a kind of low temperature of the utility model
Heat extends the service life that lithium battery uses at low ambient temperatures；
(2) self-heating charging control system for lithium battery is simple in structure under a kind of low temperature of the utility model, reliability is high, heating
Component is directly energized using solar photovoltaic assembly, and capacity usage ratio is high.
(3) self-heating charging control system for lithium battery is cheap under a kind of low temperature of the utility model, can extensive use
In the high and cold low temperature environment such as Qinghai-Tibet Platean.
(4) under a kind of low temperature of the utility model self-heating charging control system for lithium battery to lithium battery group using battery balanced
Circuit carries out electric quantity balancing to each unit in lithium battery group, enhances the service life of lithium battery group.
Description of the drawings
Fig. 1 is that the connection under a kind of low temperature of the utility model between each component of self-heating charging control system for lithium battery is closed
The structure diagram of system.
In figure：1 it is solar photovoltaic assembly, 2 be lithium battery group, 3 be Master control chip, 4 be power circuit, 5 is charging
Control circuit, 6 be battery equalizing circuit, 7 be PTC heating control circuits, 8 be voltage detecting circuit, 9 be current detection circuit,
10 it is temperature sensing circuit, 11 be CAN communication module, 12 be PTC heating plates, 13 is host computer.
Specific embodiment
Self-heating charging control system for lithium battery under a kind of low temperature, by solar photovoltaic assembly 1, lithium battery group 2, main control
Chip 3, power circuit 4, charging control circuit 5, battery equalizing circuit 6, PTC heating control circuits 7, voltage detecting circuit 8, electricity
Current detection circuit 9, temperature sensing circuit 10, CAN communication module 11, PTC heating plates 12 and host computer 13 form；
The output terminal of solar photovoltaic assembly 1 respectively with charging control circuit 5 and the input terminal of PTC heating control circuits 7
Connection, the input terminal of the output terminal connection PTC heating control circuits 7 of charging control circuit 5, the output terminal of charging control circuit 5
The input terminal of lithium battery group 2 and battery equalizing circuit 6 is connected respectively, and battery equalizing circuit 6 is in parallel with lithium battery group 2, PTC heating
The input terminal of the output terminal connection PTC heating plates 12 of control circuit 7；
The input terminal of the output terminal connection Master control chip 3 of power circuit 4, the output terminal connection CAN of Master control chip 3 lead to
Interrogate 11 input terminal of module, the input terminal of the output terminal connection PTC heating control circuits 7 of CAN communication module 11, host computer 13 it is defeated
The input terminal of outlet connection CAN communication module 11；
PTC heating plates 12 are fastened on the surrounding of lithium battery group 2, and the output terminal of lithium battery group 2 connects voltage detecting electricity respectively
Road 8, current detection circuit 9, the input terminal of temperature sensing circuit 10, voltage detecting circuit 8, current detection circuit 9, temperature detection
The output terminal of circuit 10 connects the input terminal of Master control chip 3 respectively.Preferably, the Master control chip 3 is mono- for MSP430
Piece machine.
Preferably, the CAN communication module 11 is MCP2515 controllers.
Preferably, the CAN communication module 11 is equipped with transceiver.
Preferably, PWM is equipped in the Master control chip 3, PWM is pulse width modulation, to charging control circuit 5
The break-make control of electric current.
Preferably, the solar photovoltaic assembly 1 provides electric energy by PTC heating control circuits 7 for PTC heating plates 12
It is heated to lithium battery group 2.
Embodiment 1
Solar photovoltaic assembly 1 is converted solar energy into electrical energy in the case where there is sunlight, and electric energy passes through charge control electricity
Electric energy is allocated utilization by road 5；Voltage detecting circuit 8, current detection circuit 9, temperature sensing circuit 10 are to lithium battery group 2
Voltage, electric current, temperature be detected, when 2 minimum temperature of lithium battery group is greater than or equal to 15 DEG C, temperature sensing circuit 10 will
Temperature signal is transferred to the CAN communication module 11 on Master control chip 3, the transceiver of the TJA1050 of 11 the inside of CAN communication module
Temperature signal is converted, CAN communication module 11 sends control charging control circuit according to the signal of the transceiver of TJA1050
5 pairs of lithium battery groups 2 charge；
When 2 minimum temperature of lithium battery group is less than or equal to 0 DEG C, temperature signal is transferred to master control by temperature sensing circuit 10
CAN communication module 11 on coremaking piece 3, the transceiver of the TJA1050 of 11 the inside of CAN communication module are turned temperature signal
It changes, CAN communication module 11 feeds back information to Master control chip 3, Master control chip 3 according to the signal of the transceiver of TJA1050
In pass through pwm pulse width modulated, block charging control circuit 5 electric current, Master control chip 3 control PTC heating control circuits
7, PTC heating plates 12 are heated to working as lithium battery group 2, until when 2 minimum temperature of lithium battery group is greater than or equal to 15 DEG C, PTC
Heating control circuit 7 controls PTC heating plates 12 to stop heating work, continues to charge to lithium battery group 2；
Battery equalizing circuit 6 is 2 charging balanced circuit of lithium battery group, when lithium battery group 2 charges, if a lithium battery
Cell voltage is more than certain value and higher than other lithium cells, and Master control chip 3 carries out the high lithium cells of this voltage
Control, is closed its corresponding variable connector, opens corresponding shunt resistance device, so that the electricity of this section high lithium cells of voltage
Pressure drops to the level of other battery cell voltages.This circulating repetition so that the lithium battery of each unit being capable of equilibrium charging.
Claims (5)
1. a kind of self-heating charging control system for lithium battery under low temperature, it is characterised in that：By solar photovoltaic assembly (1), lithium electricity
Pond group (2), Master control chip (3), power circuit (4), charging control circuit (5), battery equalizing circuit (6), PTC computer heating controls
Circuit (7), voltage detecting circuit (8), current detection circuit (9), temperature sensing circuit (10), CAN communication module (11), PTC
Heating plate (12) and host computer (13) composition；
The input with charging control circuit (5) and PTC heating control circuits (7) respectively of the output terminal of solar photovoltaic assembly (1)
End connection, the input terminal of the output terminal connection PTC heating control circuits (7) of charging control circuit (5), charging control circuit (5)
Output terminal connect the input terminal of lithium battery group (2) and battery equalizing circuit (6), battery equalizing circuit (6) and lithium battery respectively
Group (2) is in parallel, the input terminal of the output terminal connection PTC heating plates (12) of PTC heating control circuits (7)；
The input terminal of the output terminal connection Master control chip (3) of power circuit (4), the output terminal connection CAN of Master control chip (3)
Communication module (11) input terminal, the input terminal of the output terminal connection PTC heating control circuits (7) of CAN communication module (11) are upper
The input terminal of the output terminal connection CAN communication module (11) of machine (13)；
PTC heating plates (12) are fastened on the surrounding of lithium battery group (2), and the output terminal of lithium battery group (2) connects voltage detecting respectively
Circuit (8), current detection circuit (9), the input terminal of temperature sensing circuit (10), voltage detecting circuit (8), current detection circuit
(9), the output terminal of temperature sensing circuit (10) connects the input terminal of Master control chip (3) respectively.
2. according to self-heating charging control system for lithium battery under a kind of low temperature described in claim 1, it is characterised in that：The master
It is MSP430 microcontrollers to control chip (3).
3. according to self-heating charging control system for lithium battery under a kind of low temperature described in claim 1, it is characterised in that：The master
It controls and PWM is equipped in chip (3).
4. according to self-heating charging control system for lithium battery under a kind of low temperature described in claim 1, it is characterised in that：Described
CAN communication module (11) is MCP2515 controllers.
5. according to self-heating charging control system for lithium battery under a kind of low temperature described in claim 1, it is characterised in that：Described
Transceiver is equipped in CAN communication module (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721491476.5U CN207382029U (en) | 2017-11-10 | 2017-11-10 | Self-heating charging control system for lithium battery under a kind of low temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721491476.5U CN207382029U (en) | 2017-11-10 | 2017-11-10 | Self-heating charging control system for lithium battery under a kind of low temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207382029U true CN207382029U (en) | 2018-05-18 |
Family
ID=62335600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721491476.5U Active CN207382029U (en) | 2017-11-10 | 2017-11-10 | Self-heating charging control system for lithium battery under a kind of low temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207382029U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109698546A (en) * | 2018-12-17 | 2019-04-30 | 漳州市华威电源科技有限公司 | A kind of solar charging electric control circuit |
| CN111555457A (en) * | 2020-05-22 | 2020-08-18 | 国家电网有限公司 | Online monitoring equipment for power transmission line |
-
2017
- 2017-11-10 CN CN201721491476.5U patent/CN207382029U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109698546A (en) * | 2018-12-17 | 2019-04-30 | 漳州市华威电源科技有限公司 | A kind of solar charging electric control circuit |
| CN111555457A (en) * | 2020-05-22 | 2020-08-18 | 国家电网有限公司 | Online monitoring equipment for power transmission line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200219 Address after: 810000 Xining City, Qinghai Province, No. 166 Patentee after: QINGHAI GREEN GRASS OF TECHNOLOGY CO.,LTD. Address before: 810007 Qinghai Xining Xining Economic Development Zone small and medium enterprises Pioneer Park No. 33, Minhe Road Patentee before: XINING YUEGUANG SOLAR ENERGY TECHNOLOGY CO.,LTD. |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20210715 Granted publication date: 20180518 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20240715 Granted publication date: 20180518 |