CN204967296U - Lithium battery management device - Google Patents
Lithium battery management device Download PDFInfo
- Publication number
- CN204967296U CN204967296U CN201520432241.3U CN201520432241U CN204967296U CN 204967296 U CN204967296 U CN 204967296U CN 201520432241 U CN201520432241 U CN 201520432241U CN 204967296 U CN204967296 U CN 204967296U
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- lithium battery
- battery management
- management devices
- module
- microcontroller
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Abstract
The utility model provides a lithium battery management device, it contains microcontroller, carries out the balanced control of lithium battery measurement through balanced module, does through power module the microcontroller power supply realizes through communication module lithium battery management device communication realizes through the protective film piece lithium battery management device realizes through measured module short -circuit protection, overvoltage protection and the over -current protection of lithium cell lithium battery management device is to current measurement, voltage measurement and the temperature measurement of lithium cell. The utility model discloses it is to the characteristics that the electric automobile operating mode is complicated, balanced to the minimizing through the difference of balanced module between with the battery to lithium cell pool -size and life's maximize has been guaranteed.
Description
Technical field
The utility model patent relates to a kind of cell managing device.Be specifically related to a kind of electric automobile lithium battery management devices.
Background technology
Along with lithium battery development, lithium ion is more obvious in aspect of performance superiority, and this is following electrokinetic cell developing direction, is the most potential current electrokinetic cell.At present, lithium battery is on probation in electric automobile, in order to meet the demand of electric motor car to load capacity and flying power, needs lithium battery to have very large capacity.
At present, a large amount of lithium ion is extensively adopted to be connected into battery pack, to solve the problem of lithium battery capacity deficiency in electric automobile.A large amount of lithium ion series connection uses and meets the demand of electric motor car to battery capacity, but in battery pack Long-Time Service, there will be the phenomenon that battery consistency worsens.If battery inconsistency comparatively greatly, then can cause, battery cell is serious crossed charge and discharge, and then caused battery to be seriously damaged.Cell managing device arises at the historic moment, and it has the function realizing balancing energy between cell body, ensures that the consistency of battery in battery pack is better.Meanwhile, cell managing device can ensure that battery pack can safe and reliable work, reduces and avoids irrational use to cause waste and the cell damage of energy to battery pack, thus improves the operating efficiency of battery pack and extend the periodic duty life-span of battery pack.
At present, China has started research and development and the popularization of putting forth effort on promotion electric motor car, but China still also exists comparatively significantly gap compared with Foreign Advanced Lerel in the research and apply of Novel power battery management devices.Many motor corporations of China develop the cell managing device of oneself, and the use that put goods on the market.But compared with Foreign Advanced Lerel, the cell managing device of domestic research and development is that precision is not high, reliability is lower or function is relatively single mostly.
Utility model content
The purpose of this utility model is the lithium battery management devices providing a kind of electric automobile to be suitable for, with the feature for electric automobile work condition complexity, by balance module by the Disparity Balance between battery to minimizing, thus ensure that the maximization in lithium battery pool-size and useful life.
In order to achieve the above object, the technical solution of the utility model is to provide a kind of lithium battery management devices, and it comprises: microcontroller, the balance module be connected with circuit with it; The control signal that described balance module receives microcontroller carries out charging and discharging lithium battery Balance route.
Preferably, described balance module is provided with the equalizing circuit comprising balancing chip LTC6803.
Preferably, described lithium battery management devices also comprises and to be connected with described microcontroller circuit and to be the power module that described microcontroller is powered; Described power module provides 5V and 15V voltage.
Preferably, described power module adopts LM5009 chip.
Preferably, described lithium battery management devices also comprises the communication module be connected with described microcontroller circuit, is realized the communication of described lithium battery management devices by the control signal receiving described microcontroller.
Preferably, described communication module comprises SPI communication unit, CAN communication unit and serial communication unit.
Preferably, described lithium battery management devices also comprises the protection module be connected with described microcontroller circuit, performs the protection of described lithium battery management devices to the short circuit of lithium battery, overvoltage and overcurrent by receiving the control signal of microcontroller.
Preferably, described lithium battery management devices also comprises the measurement module be connected with described microcontroller circuit, performs described lithium battery management devices to the current measurement of lithium battery, voltage measurement and temperature survey by receiving the control signal of microcontroller.
Preferably, described lithium battery management devices is configured at electric automobile lithium battery.
Another technical scheme of the present utility model is to provide a kind of lithium battery management devices, and it comprises:
Microcontroller, with respectively with it circuit be connected with lower component:
Carry out the balance module of charging and discharging lithium battery Balance route;
For the power module that described microcontroller is powered;
Realize the communication module of described lithium battery management devices communication;
Carry out the protection module of described lithium battery management devices to the short-circuit protection of lithium battery, overvoltage protection and overcurrent protection; And,
Carry out described lithium battery management devices to the current measurement of lithium battery, voltage measurement and thermometric measurement module.
Compared with prior art, the beneficial effects of the utility model are:
(1) circuit is simple, simplifies the design of electric automobile lithium battery management devices;
(2) by balance module by the Disparity Balance between battery to minimizing, thus ensure that the maximization in lithium battery pool-size and useful life.
Accompanying drawing explanation
Fig. 1 is the design frame chart of electric automobile lithium battery management devices described in the utility model.
Embodiment
With reference to shown in Fig. 1; according to the functional requirement of electric automobile lithium battery management devices; electric automobile lithium battery management devices described in the utility model comprises: microcontroller 1, with the respectively balance module 2, power module 3, communication module 4, protection module 5 and the measurement module 6 that are connected of circuit with it.
These modules receive the corresponding control signal of microcontroller 1 transmission respectively to realize respective set-up function, and send feedback signal so that microcontroller 1 adjusts control strategy to microcontroller 1 where necessary.
Wherein, described microcontroller 1 is the core control portions of whole system; Described balance module 2 is made up of the equalizing circuit comprising balancing chip LTC6803, is the guarantee that microcontroller 1 realizes lithium battery balance charge/discharge.
Described power module 3 is powered for microcontroller 1.Preferably, described power module 3 provides 5V and 15V voltage.In preferred example, described power module 3 adopts LM5009 chip.
Described communication module 4 is used for realizing the communication of described lithium battery management devices.Described communication module 4 comprises SPI(SerialPeripheralInterface, Serial Peripheral Interface (SPI)) communication unit 41, CAN(ControllerAreaNetwork, controller local area network) communication unit 42 and serial communication unit 43, with the data communication between each functional module realizing described lithium battery management devices and/or between itself and external devices.
Described protection module 5 mainly realizes the protection of described lithium battery management devices to the short circuit of lithium battery, overvoltage and overcurrent.Described measurement module 6 achieves described lithium battery management devices to the current measurement of lithium battery, voltage measurement and temperature survey.
Although content of the present utility model has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple amendment of the present utility model and substitute will be all apparent.Therefore, protection range of the present utility model should be limited to the appended claims.
Claims (8)
1. a lithium battery management devices, is characterized in that, comprises:
Microcontroller (1), the balance module (2) be connected with circuit with it; The control signal that described balance module (2) receives microcontroller (1) carries out charging and discharging lithium battery Balance route;
Described lithium battery management devices also comprises and to be connected with described microcontroller (1) circuit and to be the power module (3) that described microcontroller (1) is powered; Described power module (3) provides 5V and 15V voltage; Described power module (3) adopts LM5009 chip.
2. lithium battery management devices as claimed in claim 1, is characterized in that,
Described balance module (2) is provided with the equalizing circuit comprising balancing chip LTC6803.
3. lithium battery management devices as claimed in claim 1, is characterized in that,
Described lithium battery management devices also comprises the communication module (4) be connected with described microcontroller (1) circuit, is realized the communication of described lithium battery management devices by the control signal receiving described microcontroller (1).
4. lithium battery management devices as claimed in claim 3, is characterized in that,
Described communication module (4) comprises SPI communication unit (41), CAN communication unit (42) and serial communication unit (43).
5. lithium battery management devices as claimed in claim 1, is characterized in that,
Described lithium battery management devices also comprises the protection module (5) be connected with described microcontroller (1) circuit, performs the protection of described lithium battery management devices to the short circuit of lithium battery, overvoltage and overcurrent by the control signal receiving microcontroller (1).
6. lithium battery management devices as claimed in claim 1, is characterized in that,
Described lithium battery management devices also comprises the measurement module (6) be connected with described microcontroller (1) circuit, performs described lithium battery management devices to the current measurement of lithium battery, voltage measurement and temperature survey by the control signal receiving microcontroller (1).
7., as the lithium battery management devices in claim 1 ~ 6 as described in any one, it is characterized in that,
Described lithium battery management devices is configured at electric automobile lithium battery.
8. a lithium battery management devices, is characterized in that, comprises:
Microcontroller (1), with respectively with it circuit be connected with lower component:
Carry out the balance module (2) of charging and discharging lithium battery Balance route;
For the power module (3) that described microcontroller (1) is powered; Described power module (3) adopts LM5009 chip;
Realize the communication module (4) of described lithium battery management devices communication;
Carry out the protection module (5) of described lithium battery management devices to the short-circuit protection of lithium battery, overvoltage protection and overcurrent protection; And,
Carry out described lithium battery management devices to the current measurement of lithium battery, voltage measurement and thermometric measurement module (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520432241.3U CN204967296U (en) | 2015-06-23 | 2015-06-23 | Lithium battery management device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520432241.3U CN204967296U (en) | 2015-06-23 | 2015-06-23 | Lithium battery management device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204967296U true CN204967296U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520432241.3U Expired - Fee Related CN204967296U (en) | 2015-06-23 | 2015-06-23 | Lithium battery management device |
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| CN (1) | CN204967296U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105680508A (en) * | 2016-01-22 | 2016-06-15 | 国网福建省电力有限公司 | Portable emergency power supply device for power communication |
-
2015
- 2015-06-23 CN CN201520432241.3U patent/CN204967296U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105680508A (en) * | 2016-01-22 | 2016-06-15 | 国网福建省电力有限公司 | Portable emergency power supply device for power communication |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201401 Shanghai Fengxian District City Ring Road No. 168 South Building on the ground floor Co-patentee after: HOPE (SHANGHAI) NEW ENERGY CHARGING EQUIPMENT CO.,LTD. Patentee after: HOPE NEW ENERGY TECHNOLOGY Inc. Address before: 201401 Shanghai Fengxian District City Ring Road No. 168 South Building on the ground floor Co-patentee before: SHANGHAI PUTIAN ZHILV NEW ENERGY TECHNOLOGY CO.,LTD. Patentee before: HOPE NEW ENERGY TECHNOLOGY Inc. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170913 Address after: Lianmin road Qingpu District Xujing town 200702 Shanghai City No. 1881 building 10 A zone 3 room 340 Patentee after: HOPE (SHANGHAI) NEW ENERGY CHARGING EQUIPMENT CO.,LTD. Address before: 201401 Shanghai Fengxian District City Ring Road No. 168 South Building on the ground floor Co-patentee before: HOPE (SHANGHAI) NEW ENERGY CHARGING EQUIPMENT CO.,LTD. Patentee before: HOPE NEW ENERGY TECHNOLOGY Inc. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20180623 |