CN205900735U - Lithium ion power batteries protection device - Google Patents
Lithium ion power batteries protection device Download PDFInfo
- Publication number
- CN205900735U CN205900735U CN201620683250.4U CN201620683250U CN205900735U CN 205900735 U CN205900735 U CN 205900735U CN 201620683250 U CN201620683250 U CN 201620683250U CN 205900735 U CN205900735 U CN 205900735U
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- China
- Prior art keywords
- core group
- battery core
- battery
- electrically connected
- protection
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Links
- 229910001416 lithium ion Inorganic materials 0.000 title abstract description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title abstract 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 31
- 238000005070 sampling Methods 0.000 claims description 37
- 238000004891 communication Methods 0.000 claims description 16
- 239000000654 additive Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000004899 motility Effects 0.000 description 1
- 238000004804 winding 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
Landscapes
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The embodiment of the utility model discloses lithium ion power batteries protection device relates to lithium battery protection technical field. The device includes: electric connection is organized with the electric core of setting for quantity respectively to two at least protection shields for state to the electric core of connecting is organized is managed, wherein, set for the total number that quantity is less than electric core group in the lithium cell. The embodiment of the utility model provides a lithium ion power batteries protection device to the realization is managed the modularization of electric core group, thereby it connects wrong line to solve to cause easily, and production efficiency is low, maintains inconvenient problem.
Description
Technical field
This utility model embodiment is related to li-ion cell protection technology, more particularly, to a kind of lithium-ion-power cell protection dress
Put.
Background technology
Lithium battery group is due to having small volume, light weight, voltage is high, power is big, self discharge is few and long service life etc.
Advantage is so as to be increasingly becoming the main flow of electrokinetic cell.Wherein, multiple battery cores in parallel or series connection mode constitute battery core group,
Multiple battery core groups are connected by way of serial or parallel connection, and load battery case composition lithium battery.Battery management system passes through inspection
Survey line is connected with each battery core group, for being managed to the state of battery.
Because in a usual lithium battery, the quantity of battery core group is all even more many at 100 about, and all connection battery cores
Group all must the wiring when battery core becomes and is assembled into battery case with the detection line of battery management system.Therefore easily cause wrong line,
Production efficiency is low, safeguards inconvenient problem.
Utility model content
This utility model embodiment provides a kind of lithium-ion-power cell protection device, to realize the modularity to battery core group
Management, thus solving to easily cause wrong line, production efficiency is low, safeguards inconvenient problem.
In a first aspect, this utility model embodiment provides a kind of lithium-ion-power cell protection device, it is arranged on lithium electricity
In pond, this device includes:
At least two protection boards, are electrically connected with the battery core group setting quantity, respectively for the battery core group being connected
State is managed, and wherein, described setting quantity is less than the total quantity of battery core group in lithium battery.
Further, described protection board includes:
Sampling unit, is electrically connected with the described battery core group setting quantity, for the battery letter to the battery core group being connected
Breath data is sampled；
Control unit, is electrically connected with described sampling unit, for the battery information data of the battery core group according to collection, right
The state of described battery core group is managed.
Further, described sampling unit includes:
Voltage sampling circuit, the voltage data of the battery core group being connected for Real-time Collection；
Temperature sampling circuit, the temperature data of the battery core group being connected for Real-time Collection.
Further, described control unit includes:
Charge-discharge protection circuit, is electrically connected with described voltage sampling circuit, detects, for working as, the arbitrary electricity being connected
When core group voltage is inconsistent with other battery core group voltages, close this battery core group；
Temperature protection circuit, is electrically connected with described temperature sampling circuit, detects, for working as, the arbitrary battery core being connected
When group temperature is higher than given threshold, close this battery core group；
Protection revocation circuit, is electrically connected with described voltage sampling circuit and described temperature sampling circuit, for when detection
The voltage going out to be turned off battery core group is consistent with other battery core group voltages, and when temperature is less than given threshold, opens this battery core group.
Further, described control unit also includes additives for overcharge protection circuit and over-discharge protection circuit.
Further, described control unit includes the mos pipe as battery core group switching device.
Further, described device also includes:
Communication unit, is electrically connected with described control unit, for entering row data communication to described control unit.
Further, described device also includes:
Battery management system, is electrically connected with described protection board, for entering line pipe to the charging and discharging state of whole lithium battery
Reason.
Further, described lithium battery is automobile specified lithium-ion-power cell.
This utility model embodiment is passed through to set up multiple protection boards in lithium battery, respectively with the battery core group electricity setting quantity
Property connect, for modularization management is carried out to the state of battery core group in lithium battery.Thus solving battery core groups all in lithium battery
When being directly connected to battery management system because battery core group quantity cause greatly wrong line, production efficiency is low and safeguards side
Just problem.
Brief description
Fig. 1 is a kind of structural representation of lithium-ion-power cell protection device that this utility model embodiment one provides；
Fig. 2 is a kind of structural representation of protection board that this utility model embodiment two provides；
Fig. 3 is a kind of structural representation of battery module that this utility model embodiment two provides.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining this utility model, rather than to restriction of the present utility model.Further need exist for
Bright, for the ease of description, in accompanying drawing, illustrate only the part related to this utility model rather than entire infrastructure.
Embodiment one
Fig. 1 is a kind of structural representation of lithium-ion-power cell protection device that this utility model embodiment one provides.
The present embodiment is applicable to battery core group in lithium battery is carried out with the situation of modularization management.The lithium providing referring to Fig. 1, the present embodiment
Ion battery protection device 10 is arranged in lithium battery 01, comprising: at least two protection boards 110.
Wherein, protection board 110 is electrically connected with the battery core group 120 setting quantity respectively, for the battery core group being connected
120 state is managed, and wherein, described setting quantity is less than the total quantity of battery core group 120 in lithium battery 01, and setting quantity can
Think one or more.Specifically, the state of battery core group 120 can include the charged state of battery core group 120, discharge condition, temperature
At least one in degree state, additives for overcharge protection state and over state.
For example, include 100 battery core groups in a lithium battery, every 10 battery core groups are connected with a protection board.So
10 protection boards are just comprised, 10 battery core groups that each protection board is connected to it carry out the management of state in one lithium battery.
The technical scheme that the present embodiment provides, by setting up multiple protection boards in lithium battery, respectively with setting quantity
Battery core group is electrically connected with, for carrying out modularization management to the state of battery core group in lithium battery.Thus solving institute in lithium battery
When having battery core group and battery management system to be directly connected to because the wrong line that causes greatly of battery core group quantity, production efficiency low and
Safeguard inconvenient problem.
For realizing management and the monitoring of the state to whole lithium battery, the lithium-ion-power cell protection that the present embodiment provides
Device can also include battery management system.
Wherein, battery management system, is electrically connected with described protection board, for the charged state of whole lithium battery, put
At least one in electricity condition, state of temperature, additives for overcharge protection state and over state is managed.
Further, described lithium battery can be automobile specified lithium-ion-power cell.
Embodiment two
Fig. 2 is a kind of structural representation of protection board that this utility model embodiment two provides.The present embodiment is with above-mentioned reality
It is optimized based on applying example.Referring to Fig. 2, the protection board in the present embodiment may include that sampling unit 111 and control unit
112.
Wherein, sampling unit 111, are electrically connected with the described battery core group setting quantity, for the battery core group being connected
Battery information data sampled；Control unit 112, is electrically connected with described sampling unit, for the battery core according to collection
The battery information data of group, is managed to the state of described battery core group.Specifically, sampling unit 111 is to the battery core being connected
The sampling period of the battery information data of group can set as needed it is also possible to believe to the battery of the battery core group being connected in real time
Breath data is sampled.
The technical scheme of the present embodiment, is entered to the battery information data of the described battery core group setting quantity by sampling module
Row sampling, control module enters line pipe according to the battery information data that sampling obtains to the state of the described battery core group setting quantity
Reason.Thus realizing the modularity sampling to battery core group in lithium battery and condition managing.
Further, described sampling unit may include that voltage sampling circuit and temperature sampling circuit.
Wherein, voltage sampling circuit, the voltage data of the battery core group being connected for Real-time Collection；Temperature sampling circuit,
The temperature data of the battery core group being connected for Real-time Collection.Temperature sampling circuit can include temperature sensor, for battery core
The collection of group temperature.Specifically, temperature sensor can be thermal resistance temperature sensor or electric thermo-couple temperature sensing
Device.
Further, described control unit may include that charge-discharge protection circuit, temperature protection circuit and protection revocation electricity
Road.
Wherein, charge-discharge protection circuit, is electrically connected with described voltage sampling circuit, detects that connected appoints for working as
When one battery core group voltage is inconsistent with other battery core group voltages, close this battery core group.
Temperature protection circuit, is electrically connected with described temperature sampling circuit, detects, for working as, the arbitrary battery core being connected
When group temperature is higher than given threshold, close this battery core group.
Protection revocation circuit, is electrically connected with described voltage sampling circuit and described temperature sampling circuit, for when detection
The voltage going out to be turned off battery core group is consistent with other battery core group voltages, and when temperature is less than given threshold, opens this battery core group.
Specifically, the device for realizing the opening and closing of battery core group can be crystal triode or mos pipe.
From the motility of on-off control and the stability of applied environment, preferably mos pipe is as the switching device of control unit.
By realize to the overcharge of connection battery core group and over, described control unit can also include overcharge
Protection circuit and over-discharge protection circuit.It will be appreciated by persons skilled in the art that additives for overcharge protection circuit in prior art
Have multiple with over-discharge protection circuit, the present embodiment is not intended to limit to this.
For realizing the data communication of intermodule, the device described in the present embodiment also includes: communication unit.
Wherein, communication unit, is electrically connected with described control unit, for entering row data communication to described control unit.
For realizing the state of whole lithium battery is managed, protection board can be passed through to the condition managing information of connected battery core group
Communication unit is sent to battery management system.Specifically, communication unit can be wireless communication unit or wire communication
Unit.If wireless communication unit, then this wireless communication unit can include antenna for receipt signal and sending signal, use
In the encoder that sending signal is encoded with for the decoder to receipt signal decoding.If Landline communication unit, then
This Landline communication unit can include the holding wire for transmission signal, for convenience of connection, preferably winding displacement.
Fig. 3 is a kind of structural representation of battery module that this utility model embodiment two provides.Referring to Fig. 3, for convenience
Management to battery core group and maintenance, using integrated for the battery core group 120 of protection board 110 and the setting quantity of its connection as a battery
Module 20, a lithium battery can be made up of multiple battery modules 20.
Note, above are only preferred embodiment of the present utility model and institute's application technology principle.Those skilled in the art's meeting
Understand, this utility model is not limited to specific embodiment described here, can carry out various bright for a person skilled in the art
Aobvious change, readjust and substitute without departing from protection domain of the present utility model.Therefore although passing through above example
This utility model is described in further detail, but this utility model is not limited only to above example, without departing from
In the case of this utility model design, other Equivalent embodiments more can also be included, and scope of the present utility model is by appended
Right determine.
Claims (9)
1. a kind of lithium-ion-power cell protection device, is arranged in lithium battery it is characterised in that including:
At least two protection boards, are electrically connected with the battery core group setting quantity, respectively for the state to the battery core group being connected
It is managed, wherein, described setting quantity is less than the total quantity of battery core group in lithium battery.
2. device according to claim 1 is it is characterised in that described protection board includes:
Sampling unit, is electrically connected with the described battery core group setting quantity, for the battery information number to the battery core group being connected
According to being sampled；
Control unit, is electrically connected with described sampling unit, for the battery information data of the battery core group according to collection, to described
The state of battery core group is managed.
3. device according to claim 2 is it is characterised in that described sampling unit includes:
Voltage sampling circuit, the voltage data of the battery core group being connected for Real-time Collection；
Temperature sampling circuit, the temperature data of the battery core group being connected for Real-time Collection.
4. device according to claim 3 is it is characterised in that described control unit includes:
Charge-discharge protection circuit, is electrically connected with described voltage sampling circuit, detects, for working as, the arbitrary battery core group being connected
When voltage is inconsistent with other battery core group voltages, close this battery core group；
Temperature protection circuit, is electrically connected with described temperature sampling circuit, detects, for working as, the arbitrary battery core group temperature being connected
When degree is higher than given threshold, close this battery core group；
Protection revocation circuit, is electrically connected with described voltage sampling circuit and described temperature sampling circuit, detects for working as
The voltage closing battery core group is consistent with other battery core group voltages, and when temperature is less than given threshold, opens this battery core group.
5. device according to claim 4 is it is characterised in that described control unit also includes additives for overcharge protection circuit and mistake
Discharge protection circuit.
6. device according to claim 4 is it is characterised in that described control unit is included as battery core group switching device
Mos manages.
7. device according to claim 2 is it is characterised in that also include:
Communication unit, is electrically connected with described control unit, for entering row data communication to described control unit.
8. device according to claim 1 is it is characterised in that also include:
Battery management system, is electrically connected with described protection board, for being managed to the charging and discharging state of whole lithium battery.
9. device according to claim 1 is it is characterised in that described lithium battery is automobile specified lithium-ion-power cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620683250.4U CN205900735U (en) | 2016-06-29 | 2016-06-29 | Lithium ion power batteries protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620683250.4U CN205900735U (en) | 2016-06-29 | 2016-06-29 | Lithium ion power batteries protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205900735U true CN205900735U (en) | 2017-01-18 |
Family
ID=57771540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620683250.4U Expired - Fee Related CN205900735U (en) | 2016-06-29 | 2016-06-29 | Lithium ion power batteries protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205900735U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958140A (en) * | 2016-06-29 | 2016-09-21 | 广东亿纬赛恩斯新能源***有限公司 | Lithium ion power battery protection device and method |
| CN107634159A (en) * | 2017-08-10 | 2018-01-26 | 卧龙电气集团股份有限公司 | A kind of lithium battery group for treasured doubleway output of waiting |
-
2016
- 2016-06-29 CN CN201620683250.4U patent/CN205900735U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958140A (en) * | 2016-06-29 | 2016-09-21 | 广东亿纬赛恩斯新能源***有限公司 | Lithium ion power battery protection device and method |
| CN107634159A (en) * | 2017-08-10 | 2018-01-26 | 卧龙电气集团股份有限公司 | A kind of lithium battery group for treasured doubleway output of waiting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210302 Address after: No.68, Jingnan Avenue, Duodao District, Jingmen high tech Zone, Jingmen City, Hubei Province Patentee after: Hubei EVE Power Co.,Ltd. Address before: 516006 No. 36 Huifeng seven road, Zhongkai hi tech Zone, Huizhou, Guangdong Patentee before: GUANGZHOU EVE CENS NEW ENERGY SYSTEM Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170118 |