CN203870222U - Wireless type real-time voltage detecting system of multi-section serially-connected lithium storage battery - Google Patents
Wireless type real-time voltage detecting system of multi-section serially-connected lithium storage battery Download PDFInfo
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- CN203870222U CN203870222U CN201420214027.6U CN201420214027U CN203870222U CN 203870222 U CN203870222 U CN 203870222U CN 201420214027 U CN201420214027 U CN 201420214027U CN 203870222 U CN203870222 U CN 203870222U
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Abstract
The utility model discloses a wireless type real-time voltage detecting system of a multi-section serially-connected lithium storage battery, and relates to the field of new energies. The detecting system comprises a voltage acquiring module, a data processing unit, a wireless emitting module, a wireless receiving module and a PC. The voltage acquiring module is formed by multiple voltage acquiring units; each of the voltage acquiring units uses a dedicated battery voltage detecting chip; the voltage acquiring units are serially connected via SPI serial interfaces; the output end of the voltage acquiring unit on the topmost end is connected with the data input end of the data processing unit; the input end of the wireless emitting module is connected with the data output end of the data processing unit; and the wireless receiving module receives data sent by the wireless emitting module based on the set communication protocol and transports the data to the PC via an PCB port. According to the utility model, a method of wireless data transmission is used; the detecting system is simple in structure and low in cost; the serially-connected battery voltage detecting chips are used for voltage detection; many batteries can be detected; and precision of voltage detection is high.
Description
Technical field
The utility model relates to a kind of wireless type multi-section series lithium ionic battery tension real-time detecting system.
Background technology
In recent years, due to remarkable advantages such as lithium-ions battery itself have energy-conserving and environment-protective, long service life, energy Ratios density is large, the duration of charging is short, it is widely used in electric automobile, backup power system and high power portable equipment.
In order better to use lithium-ions battery, need to detect in real time its voltage.At present, for the system to multi-section series lithium ionic accumulator battery voltage detection, be mostly to adopt regularly multi-way switch interface, across cell voltage is gathered; And the number of batteries of its collection is limited, cannot realize the real-time synchronization collection of the cascaded lithium ion storage battery cell voltage that quantity is a lot.Meanwhile, when existing lithium-ions battery voltage detecting system carries out voltage detecting, display device is mostly placed in around testing circuit, uses wire communication mode, and this communication modes wiring is complicated, and troublesome poeration, cost are high.Therefore, how not increasing under cost condition, realizing the accurately detection in real time of the multi-section series lithium ionic battery tension of wireless type, is that the applicant is devoted to the direction of making great efforts.
Summary of the invention
The utility model provides a kind of wireless type multi-section series lithium ionic battery tension real-time detecting system, its series connection has been used special-purpose battery voltage detection chip to detect lithium-ions battery voltage, has realized uninterrupted collection the in real time to the lithium-ions battery voltage of multi-section serial form; Meanwhile, adopted Wireless Data Transmission mode, without arranging communication line, the real time remote that can realize lithium-ions battery voltage detects.
The purpose of this utility model is achieved through the following technical solutions: a kind of wireless type multi-section series lithium ionic battery tension real-time monitoring system comprises voltage acquisition module, data processing unit, wireless transmitter module, wireless receiving module and PC.Voltage acquisition module is comprised of a plurality of voltage acquisition units, and voltage acquisition unit has been used reserve battery voltage checking chip; A plurality of voltage acquisition units are together in series by SPI serial line interface; The voltage acquisition unit output terminal of top is connected with the data input pin of data processing unit; Wireless transmitter module input end is connected with the data output end of data processing unit; Wireless receiving module accepts according to the communications protocol of setting the data that wireless transmitter module sends, and is transferred to PC by USB interface.
In the utility model, voltage acquisition module is the core of native system.Each voltage acquisition unit in voltage acquisition module can be connected with the lithium-ions battery of 12 joint series connection at most, when completing 12 batteries voltage, detects.Voltage acquisition unit is by the battery voltage information detecting along spi bus upwards transmission step by step, and the voltage acquisition unit of top is transferred to data processing unit by battery voltage information.Data processing unit carries out the voltage data of collection after computing and coding, by wireless transmitter module, to send.Wireless receiving module receives after data, by USB interface, is uploaded to PC, and PC shows and stores after completing the decoding of data, thereby realize, multi-section series lithium ionic battery tension real time remote is detected.
That described special-purpose battery voltage detection chip adopts is LTC6803-3, and it measures the voltage of 12 joint series-connected cells at most simultaneously.
The chip that described data processing unit adopts is STM32F103C8T6.
The radio transmitting and receiving chip nRF24L01 that described wireless transmitter module and wireless receiving module adopt.
The utility model wireless type multi-section series lithium ionic battery tension real-time detecting system, owing to having adopted such scheme, makes it to compare with present technology, has advantages of following: the Wireless Data Transmission mode of employing, and simple in structure, with low cost, easy to operate; Series connection is used professional battery voltage detection chip to carry out voltage detecting, has that battery detecting quantity is many, voltage detecting precision is high, and antijamming capability is strong, and the advantage that power attenuation is low can realize the accurately detection in real time of multi-section lithium ion battery tension.
Accompanying drawing explanation
Fig. 1 is each module connection diagram of the present utility model.
In figure: 1-data processing unit; 2-data processing unit; 3-wireless transmitter module; 4-wireless receiving module; 5-PC machine.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
With reference to figure 1, a kind of wireless type multi-section series lithium ionic battery tension real-time monitoring system comprises voltage acquisition module, data processing unit 2, wireless transmitter module 3, wireless receiving module 4 and PC 5.Voltage acquisition module is comprised of a plurality of voltage acquisition units 1, and voltage acquisition unit 1 has been used reserve battery voltage checking chip; A plurality of voltage acquisition units 1 are together in series by SPI serial line interface; Voltage acquisition unit 1 output terminal of top is connected with the data input pin of data processing unit 2; Wireless transmitter module 3 input ends are connected with the data output end of data processing unit 2; Wireless receiving module 4 accepts according to the communications protocol of setting the data that wireless transmitter module 3 sends, and is transferred to PC 5 by USB interface.Voltage acquisition module is the core of native system.Each voltage acquisition unit 1 in voltage acquisition module can be connected with the lithium-ions battery of 12 joint series connection at most, when completing 12 batteries voltage, detects.Voltage acquisition unit 1 is by the battery voltage information detecting along spi bus upwards transmission step by step, and the voltage acquisition unit 1 of top is transferred to data processing unit 2 by battery voltage information.Data processing unit 2 carries out the voltage data of collection after computing and coding, by wireless transmitter module 3, to send.Wireless receiving module 4 receives after data, by USB interface, is uploaded to PC 5, and PC 5 shows and stores after completing the decoding of data, thereby realize, multi-section series lithium ionic battery tension real time remote is detected.
The part not relating in aforesaid way is taked or is used for reference prior art and can realize.
Above-mentioned explanation to disclosed utility model: under the instruction of this instructions, any equivalents that professional and technical personnel in the field make, or obvious variant, all in protection domain of the present utility model.
Claims (1)
1. a wireless type multi-section series lithium ionic battery tension real-time detecting system, is characterized in that: comprise voltage acquisition module, data processing unit, wireless transmitter module, wireless receiving module and PC; Voltage acquisition module is comprised of a plurality of voltage acquisition units, and voltage acquisition unit has been used professional battery voltage detection chip; A plurality of voltage acquisition units are together in series by SPI serial line interface; The voltage acquisition unit output terminal of top is connected with the data input pin of data processing unit; Wireless transmitter module input end is connected with the data output end of data processing unit; Wireless receiving module accepts according to the communications protocol of setting the data that wireless transmitter module sends, and is transferred to PC by USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420214027.6U CN203870222U (en) | 2014-04-29 | 2014-04-29 | Wireless type real-time voltage detecting system of multi-section serially-connected lithium storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420214027.6U CN203870222U (en) | 2014-04-29 | 2014-04-29 | Wireless type real-time voltage detecting system of multi-section serially-connected lithium storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203870222U true CN203870222U (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420214027.6U Expired - Fee Related CN203870222U (en) | 2014-04-29 | 2014-04-29 | Wireless type real-time voltage detecting system of multi-section serially-connected lithium storage battery |
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| Country | Link |
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| CN (1) | CN203870222U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106371020A (en) * | 2015-07-22 | 2017-02-01 | 比亚迪股份有限公司 | Battery management system and method |
| WO2020199237A1 (en) * | 2019-04-01 | 2020-10-08 | 北斗航天汽车（北京）有限公司 | Battery module with wireless communication function and battery pack |
-
2014
- 2014-04-29 CN CN201420214027.6U patent/CN203870222U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106371020A (en) * | 2015-07-22 | 2017-02-01 | 比亚迪股份有限公司 | Battery management system and method |
| CN106371020B (en) * | 2015-07-22 | 2019-06-07 | 比亚迪股份有限公司 | Battery management system and method |
| WO2020199237A1 (en) * | 2019-04-01 | 2020-10-08 | 北斗航天汽车（北京）有限公司 | Battery module with wireless communication function and battery pack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20150429 |
|
| EXPY | Termination of patent right or utility model |