CN206541010U - A kind of lithium battery protection board - Google Patents
A kind of lithium battery protection board Download PDFInfo
- Publication number
- CN206541010U CN206541010U CN201720205670.6U CN201720205670U CN206541010U CN 206541010 U CN206541010 U CN 206541010U CN 201720205670 U CN201720205670 U CN 201720205670U CN 206541010 U CN206541010 U CN 206541010U
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- China
- Prior art keywords
- circuit
- lithium battery
- module
- electrically connected
- sampling
- Prior art date
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- Expired - Fee Related
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 43
- 238000005070 sampling Methods 0.000 claims abstract description 36
- 238000012360 testing method Methods 0.000 claims abstract description 35
- 230000005611 electricity Effects 0.000 claims description 8
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 4
- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
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- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of lithium battery protection board, belong to li-ion cell protection technical field.Including sampling module, governor circuit, test module, PC ends and for the power supply circuit to each module for power supply, the sampling module and test module are electrically connected with the governor circuit, and the PC ends are electrically connected with the test module.The utility model lithium battery protection board can facilitate operation of the user to lithium battery to realize the management of multipath by the battery information data of each lithium battery of acquisition module real-time sampling；Battery protecting plate is provided with test module, and quickly protection circuit can be verified in real time.
Description
Technical field
The utility model is related to li-ion cell protection technical field, specifically, more particularly to a kind of lithium battery protection board.
Background technology
Lithium battery group is because with small volume, light weight, voltage is high, power is big, self discharge is few and service life length etc.
Advantage, the main flow for making it be increasingly becoming electrokinetic cell.But because the internal energy density of lithium battery group is high, in overcharged state
Under, internal heat accumulation is excessive to be possible to damage battery performance and service life.Therefore, lithium battery group must adapted excellent in design
Protection circuit, to ensure its security under excessive charge and discharge state, and prevent its performance degradation.
Existing li-ion cell protection uses pure analog circuit mostly with integrated circuit.But the production technology of pure analog circuit
More complicated than hardware, the reliability of software is not high, using unstable.Also, all do not examined in existing lithium battery group protection scheme
Consider the resource-sharing of the battery information of lithium battery group, the big data for being unfavorable for lithium battery group is collected and access Internet of Things.In addition, existing
Some lithium battery protection boards need manually to carry out manual test in check test, and testing efficiency is high.
The content of the invention
The utility model discloses a kind of lithium battery protection board, there is provided a kind of operation for being capable of real-time management lithium battery
Lithium battery protection board, while protection circuit can be verified fast in real time.
The utility model is achieved through the following technical solutions：
A kind of lithium battery protection board, including sampling module, governor circuit, test module, PC ends and for give each module supply
The power supply circuit of electricity, the sampling module and test module are electrically connected with the governor circuit, and the PC ends are surveyed with described
Die trial block is electrically connected with, wherein, the sampling module is by voltage sampling circuit, current sampling circuit and temperature sampling circuit, electricity
Press sample circuit and governor circuit electric connection, the terminal voltage for gathering lithium battery, current collection circuit and the master
Control circuit to be electrically connected with, the loop current for gathering lithium battery, temperature sampling circuit is electrically connected with the governor circuit, use
In the temperature of collection lithium battery wicking surface；
The governor circuit includes overcharge voltage comparison module, overdischarge voltage comparison module and reference voltage source, institute
It is respectively that the overcharge voltage comparison module and overdischarge voltage comparison module provide the benchmark for Gong comparing to state reference voltage source
Voltage；The governor circuit is also associated with charging control circuit, charge/discharge control circuit and equalizing circuit；
The test module is electrically connected with programmable universal meter and programmable power supply, and the test module includes power supply control
System, single-chip microcomputer and relay board；
The PC ends include data collecting card, RS232 interfaces and gpib interface, the data collecting card and the relay
Plate electrically couples.
The single-chip microcomputer is MC9S08AW60a.
The programmable universal meter selects Agilent34401a models, and the programmable power supply is selected
AgilentE3642a models.
Compared with prior art, the beneficial effects of the utility model are：
The utility model lithium battery protection board can by the battery information data of each lithium battery of acquisition module real-time sampling,
Operation of the user to lithium battery is facilitated to realize the management of multipath；Battery protecting plate is provided with test module, can be quick in real time
Ground is verified to protection circuit.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：1st, sampling module；2nd, governor circuit；3rd, test module；4th, PC ends.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings：
A kind of lithium battery protection board, including sampling module 1, governor circuit 2, test module 3, PC ends 4 and for each mould
The power supply circuit that block is powered, the sampling module 1 and test module 3 are electrically connected with the governor circuit 2, the PC ends 4
It is electrically connected with the test module 3, wherein, the sampling module 1 is adopted by voltage sampling circuit, current sampling circuit and temperature
Sample circuit, voltage sampling circuit is electrically connected with the governor circuit 2, the terminal voltage for gathering lithium battery, current acquisition electricity
Road is electrically connected with the governor circuit 2, the loop current for gathering lithium battery, temperature sampling circuit and the governor circuit
2 are electrically connected with, the temperature for gathering lithium battery wicking surface；
The governor circuit includes overcharge voltage comparison module, overdischarge voltage comparison module and reference voltage source, institute
It is respectively that the overcharge voltage comparison module and overdischarge voltage comparison module provide the benchmark for Gong comparing to state reference voltage source
Voltage；The governor circuit is also associated with charging control circuit, charge/discharge control circuit and equalizing circuit；
The test module is electrically connected with programmable universal meter and programmable power supply, and the test module includes power supply control
System, single-chip microcomputer and relay board；
The PC ends include data collecting card, RS232 interfaces and gpib interface, the data collecting card and the relay
Plate electrically couples.
The single-chip microcomputer is MC9S08AW60a.
The programmable universal meter selects Agilent34401a models, and the programmable power supply is selected
AgilentE3642a models.
Embodiment：
A kind of lithium battery protection board, including sampling module 1, governor circuit 2, test module 3, PC ends 4 and for each mould
The power supply circuit that block is powered, sampling module 1 and test module 3 are electrically connected with governor circuit 2, PC ends 4 and the electricity of test module 3
Property connection, wherein, sampling module 1 by voltage sampling circuit, current sampling circuit and temperature sampling circuit, voltage sampling circuit with
The governor circuit 2 is electrically connected with, the terminal voltage for gathering lithium battery, and current collection circuit and the governor circuit 2 are electrical
Connection, the loop current for gathering lithium battery, temperature sampling circuit is electrically connected with governor circuit 2, for gathering lithium battery
The temperature on battery core surface；
Governor circuit includes overcharge voltage comparison module, overdischarge voltage comparison module and reference voltage source, benchmark electricity
Potential source is respectively that overcharge voltage comparison module and overdischarge voltage comparison module provide the reference voltage for Gong comparing；Governor circuit
It is also associated with charging control circuit, charge/discharge control circuit and equalizing circuit；
Test module is electrically connected with programmable universal meter and programmable power supply, and test module includes power supply, monolithic
Machine and relay board；
PC ends include data collecting card, RS232 interfaces and gpib interface, and data collecting card electrically joins with the relay board
Connect.Single-chip microcomputer is MC9S08AW60a.Programmable universal meter selects Agilent34401a models, and programmable power supply is selected
AgilentE3642a models.
As shown in Figure of description Fig. 1, the main function of governor circuit is program according to establishment, algorithm, realizes electricity
The management of pond discharge and recharge, it is ensured that battery is normally run, prevent from overcharging, cross put, excessively stream, the anomaly such as short circuit occur.And charge
The main function of control circuit and charge/discharge control circuit is to be responsible for on/off charge and discharge loop, so as to reach that discharge and recharge is protected
The function of shield.Each monomer battery voltage of governor circuit energy real-time sampling, battery core surface temperature, loop current, by sampled value with
Protection value is made comparisons, and is discriminated whether to carry out charging and discharging circuit cut-out or is recovered.
The RS232 agreements at PC ends are become SMBus communication protocols by test module, to reach the purpose with target board communications,
Programmable power supply employs Agilent E3642A, and it can provide the programmable electricity in the range of 0V to 8V/5A or 20V/2.5A
Pressure output, for providing stable voltage to Target Board, the instrument has a GPIB/RS232 ports, PC can by itself
Its progress Control on Communication of GPIB/RS232 cable pairs.Programmable universal meter also employs Agilent E34401A, and it is main
For the measurement of the micro- resistance of Li-ion PCM, the N-FET of discharge and recharge conducting internal resistance Rdson is usually controlled, resistance is past
Toward between 10m Ω~30m Ω, general measuring resistance instrument is difficult to meet this test request, so this equipment employs standard
The higher four-wire system measuring resistance method of true property, will measure the information such as voltage, electric current and is communicated by GPIB/RS232 ports, no
Need to move test pencil, realize Automated condtrol.
Test module in lithium battery protection board can carry out check test to protection circuit effective and rapidly, be with forefathers
More than ten times of work manual test efficiency, more efficiently can realize management to lithium battery operation.
The utility model lithium battery protection board can by the battery information data of each lithium battery of acquisition module real-time sampling,
Operation of the user to lithium battery is facilitated to realize the management of multipath；Battery protecting plate is provided with test module, can be quick in real time
Ground is verified to protection circuit.
In summary, preferred embodiment only of the present utility model, not implements for limiting the utility model
Scope, the equivalent change carried out by all shape, construction, feature and spirit according to described in the utility model right is with repairing
Decorations, all should be included in right of the present utility model.
Claims (3)
1. a kind of lithium battery protection board, it is characterised in that：Including sampling module (1), governor circuit (2), test module (3), PC
Hold (4) and for the power supply circuit to each module for power supply, the sampling module (1) and test module (3) are electric with the master control
Road (2) is electrically connected with, and the PC ends (4) are electrically connected with the test module (3), wherein, the sampling module (1) is by voltage
Sample circuit, current sampling circuit and temperature sampling circuit, voltage sampling circuit are electrically connected with the governor circuit (2), are used
In the terminal voltage of collection lithium battery, current collection circuit is electrically connected with the governor circuit (2), for gathering returning for lithium battery
Road electric current, temperature sampling circuit is electrically connected with the governor circuit (2), the temperature for gathering lithium battery wicking surface；
The governor circuit includes overcharge voltage comparison module, overdischarge voltage comparison module and reference voltage source, the base
Reference voltage source is respectively that the overcharge voltage comparison module and overdischarge voltage comparison module provide the reference voltage for Gong comparing；
The governor circuit is also associated with charging control circuit, charge/discharge control circuit and equalizing circuit；
The test module is electrically connected with programmable universal meter and programmable power supply, the test module include power supply,
Single-chip microcomputer and relay board；
The PC ends include data collecting card, RS232 interfaces and gpib interface, the data collecting card and relay board electricity
Property connection.
2. a kind of lithium battery protection board according to claim 1, it is characterised in that：The single-chip microcomputer is MC9S08AW60a.
3. a kind of lithium battery protection board according to claim 1, it is characterised in that：The programmable universal meter is selected
Agilent34401a models, the programmable power supply selects AgilentE3642a models.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720205670.6U CN206541010U (en) | 2017-03-04 | 2017-03-04 | A kind of lithium battery protection board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720205670.6U CN206541010U (en) | 2017-03-04 | 2017-03-04 | A kind of lithium battery protection board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206541010U true CN206541010U (en) | 2017-10-03 |
Family
ID=59940690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720205670.6U Expired - Fee Related CN206541010U (en) | 2017-03-04 | 2017-03-04 | A kind of lithium battery protection board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206541010U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108037461A (en) * | 2017-12-06 | 2018-05-15 | 惠州市蓝微电子有限公司 | A kind of fast testing system and test board of double battery core battery protecting plates |
-
2017
- 2017-03-04 CN CN201720205670.6U patent/CN206541010U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108037461A (en) * | 2017-12-06 | 2018-05-15 | 惠州市蓝微电子有限公司 | A kind of fast testing system and test board of double battery core battery protecting plates |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171003 Termination date: 20200304 |
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| CF01 | Termination of patent right due to non-payment of annual fee |