CN204228278U - A kind of pre-buried lithium battery wireless temperature measurement system - Google Patents
A kind of pre-buried lithium battery wireless temperature measurement system Download PDFInfo
- Publication number
- CN204228278U CN204228278U CN201420668142.0U CN201420668142U CN204228278U CN 204228278 U CN204228278 U CN 204228278U CN 201420668142 U CN201420668142 U CN 201420668142U CN 204228278 U CN204228278 U CN 204228278U
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- temperature
- transmitter
- temperature measurement
- battery pack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 90
- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 42
- 238000012544 monitoring process Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Secondary Cells (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
本实用新型涉及一种预埋锂电池无线测温系统，包括锂电池组、温度变送器、蓝牙无线测温模块，所述的锂电池组由锂电池串联组成，温度变送器固定在锂电池内部，温度变送器的三个接线端伸到锂电池外部，温度变送器与蓝牙无线测温模块相连接，所述的温度变送器由锂电池供电。优点是：将一线总线式集成温度变送器，在锂电池生产时预埋在锂电池中间靠外壳内侧，它能测得锂电池接近实际的温度，而且使温度监测系统结构大为简化；温度变送器可并联使用，实现了锂电池组网络测温的创新；锂电池组网络测温和蓝牙无线数据传输的创新技术，可用于多种电池组的温度监测系统和电池组综合管理系统。
The utility model relates to a pre-embedded lithium battery wireless temperature measurement system, comprising a lithium battery pack, a temperature transmitter, and a Bluetooth wireless temperature measurement module. The lithium battery pack is composed of lithium batteries connected in series, and the temperature transmitter is fixed on the lithium Inside the battery, the three terminals of the temperature transmitter extend out of the lithium battery, and the temperature transmitter is connected with the Bluetooth wireless temperature measurement module, and the temperature transmitter is powered by the lithium battery. The advantages are: the one-line bus-type integrated temperature transmitter is pre-buried in the middle of the lithium battery near the inside of the shell during lithium battery production. It can measure the actual temperature of the lithium battery, and greatly simplifies the structure of the temperature monitoring system; Transmitters can be used in parallel to realize the innovation of lithium battery pack network temperature measurement; the innovative technology of lithium battery pack network temperature measurement and Bluetooth wireless data transmission can be used for temperature monitoring systems of various battery packs and battery pack integrated management systems.
Description
技术领域technical field
本实用新型涉及一种预埋锂电池无线测温系统。The utility model relates to a wireless temperature measuring system of a pre-embedded lithium battery.
背景技术Background technique
随着近几十年的发展，新型能源己逐渐走上了历史的舞台，其对经济的影响，己达到了前所未有的程度，可以影响到一个国家的能源结构以及战略能源储备。With the development of recent decades, new energy has gradually entered the stage of history, and its impact on the economy has reached an unprecedented level, which can affect a country's energy structure and strategic energy reserves.
新能源的飞速发展，如光伏发电、风电、核电等。新能源的利用，如电动汽车，特别是低谷电储能等，都需要各种储能电池。当前可用于储能的电池有：铅酸、钒、钠流、锂、燃料电池等，尤其是锂电池将逐步被广泛应用。The rapid development of new energy sources, such as photovoltaic power generation, wind power, nuclear power, etc. The utilization of new energy, such as electric vehicles, especially low-peak energy storage, requires various energy storage batteries. Batteries currently available for energy storage include: lead-acid, vanadium, sodium flow, lithium, fuel cells, etc., especially lithium batteries will gradually be widely used.
锂电池在应用时，必须对单体电池电压、充放电电流、温度、故障等，进行实时监测，对电池组充电进行均衡控制。When the lithium battery is in use, it is necessary to monitor the voltage, charge and discharge current, temperature, fault, etc. of the single battery in real time, and to control the charging of the battery pack in a balanced manner.
锂电池温度监测有多种方法，采用的传感器有热电阻、热电偶、光纤、晶体和一线总线式集成温度变送器等，其中以一线总线式集成温度变送器最为实用。但是，传统的各种测温传感器在锂电池上固定都不方便。There are many methods for lithium battery temperature monitoring. The sensors used include thermal resistors, thermocouples, optical fibers, crystals, and one-line bus integrated temperature transmitters. Among them, the one-line bus integrated temperature transmitter is the most practical. However, it is inconvenient to fix various traditional temperature sensors on the lithium battery.
发明内容Contents of the invention
为克服现有技术的不足，本实用新型的目的是提供一种预埋锂电池无线测温系统，实现方便可靠的对锂电池温度实时测量、监控。In order to overcome the deficiencies of the prior art, the purpose of this utility model is to provide a wireless temperature measurement system for a pre-embedded lithium battery to realize convenient and reliable real-time measurement and monitoring of the temperature of the lithium battery.
为实现上述目的，本实用新型通过以下技术方案实现：In order to achieve the above object, the utility model is realized through the following technical solutions:
一种预埋锂电池无线测温系统，包括锂电池组、DS18B20温度变送器、蓝牙无线测温模块，所述的锂电池组由数量为0＜n≤8的锂电池串联组成，DS18B20温度变送器在电池生产时预埋在锂电池内部，DS18B20温度变送器的三个接线端伸到锂电池外部，DS18B20温度变送器与蓝牙无线测温模块相连接，所述的DS18B20温度变送器由锂电池组中的一个锂电池供电，所述的蓝牙无线测温模块包括蓝牙发送器、嵌入式微电脑，嵌入式微电脑接收由DS18B20温度变送器的数据端CD发送的温度数据，并进行汇总、处理，并将温度数据发送到蓝牙发送器上，由蓝牙发送器发送出去，所述的嵌入式微电脑也由锂电池组中的一个锂电池供电。A pre-embedded lithium battery wireless temperature measurement system, including a lithium battery pack, a DS18B20 temperature transmitter, and a Bluetooth wireless temperature measurement module. The transmitter is pre-buried inside the lithium battery during battery production. The three terminals of the DS18B20 temperature transmitter extend out of the lithium battery. The DS18B20 temperature transmitter is connected to the Bluetooth wireless temperature measurement module. The DS18B20 temperature transmitter The transmitter is powered by a lithium battery in the lithium battery pack, and the bluetooth wireless temperature measurement module includes a bluetooth transmitter, an embedded microcomputer, and the embedded microcomputer receives the temperature data sent by the data terminal CD of the DS18B20 temperature transmitter, and Summarize, process, and send the temperature data to the bluetooth transmitter, and then sent out by the bluetooth transmitter, the embedded microcomputer is also powered by a lithium battery in the lithium battery pack.
所述的锂电池串联组成锂电池组，所述的每个锂电池内的DS18B20温度变送器相互连接，其中各个数据端CD相连接，各电源端VD相连接，各接地端相连接，多个DS18B20温度变送器相连接后再与蓝牙无线测温模块相连接。The lithium batteries are connected in series to form a lithium battery pack, and the DS18B20 temperature transmitters in each of the lithium batteries are connected to each other, wherein each data terminal CD is connected, each power supply terminal VD is connected, each ground terminal is connected, and multiple The DS18B20 temperature transmitter is connected and then connected with the Bluetooth wireless temperature measurement module.
所述的DS18B20温度变送器预埋在各锂电池中间靠近外壳的内侧。The DS18B20 temperature transmitter is pre-embedded in the middle of each lithium battery close to the inside of the shell.
与现有技术相比，本实用新型的有益效果是：Compared with the prior art, the beneficial effects of the utility model are:
将一线总线式集成温度变送器DS18B20，在锂电池生产时预埋在锂电池中间靠外壳内侧，它能测得锂电池接近实际的温度，而且使温度监测系统结构大为简化；The one-line bus type integrated temperature transmitter DS18B20 is pre-buried in the middle of the lithium battery and close to the inside of the shell during lithium battery production. It can measure the temperature of the lithium battery close to the actual temperature, and greatly simplifies the structure of the temperature monitoring system;
采用锂电池组中的任意一个锂电池兼给各个DS18B20温度变送器和蓝牙无线测温发送器模块供电(3.2V，且耗电量很小)，DS18B20温度变送器和蓝牙无线测温发送器模块为低功耗元件，一个锂电池完全可以满足工作需要，使温度监测系统结构更进一步简化；Use any lithium battery in the lithium battery pack to supply power to each DS18B20 temperature transmitter and Bluetooth wireless temperature transmitter module (3.2V, and the power consumption is very small), DS18B20 temperature transmitter and Bluetooth wireless temperature transmitter module The device module is a low-power component, and a lithium battery can fully meet the working needs, which further simplifies the structure of the temperature monitoring system;
采用预埋一线总线式集成温度变送器DS18B20，可并联使用，实现了锂电池组网络测温的创新；The embedded one-line bus type integrated temperature transmitter DS18B20 can be used in parallel, realizing the innovation of lithium battery pack network temperature measurement;
锂电池组网络测温和蓝牙无线数据传输的创新技术，可用于多种电池组的温度监测系统和电池组综合管理系统。The innovative technology of lithium battery pack network temperature measurement and Bluetooth wireless data transmission can be used in temperature monitoring systems of various battery packs and integrated management systems of battery packs.
附图说明Description of drawings
图1是锂电池预埋DS18B20测温变送器结构主视图。Figure 1 is a front view of the structure of the lithium battery embedded DS18B20 temperature transmitter.
图2是锂电池预埋DS18B20测温变送器结构俯视图。Figure 2 is a top view of the structure of the lithium battery pre-embedded DS18B20 temperature transmitter.
图3是DS18B20测温变送器与蓝牙无线测温模块接线原理图。Figure 3 is a schematic diagram of the wiring between the DS18B20 temperature transmitter and the Bluetooth wireless temperature measurement module.
图4是蓝牙无线测温模块与DS18B20和锂电池的接线原理图。Figure 4 is a schematic diagram of the wiring of the Bluetooth wireless temperature measurement module, DS18B20 and lithium battery.
图5是蓝牙无线测温收发模块原理图。Figure 5 is a schematic diagram of the Bluetooth wireless temperature measurement transceiver module.
具体实施方式Detailed ways
下面结合说明书附图对本实用新型进行详细地描述，但是应该指出本实用新型的实施不限于以下的实施方式。The utility model is described in detail below in conjunction with the accompanying drawings, but it should be pointed out that the implementation of the utility model is not limited to the following embodiments.
见图1-图5，预埋锂电池无线测温系统，包括锂电池组、DS18B20温度变送器、蓝牙无线测温模块，所述的锂电池组由数量为0＜n≤8的锂电池串联组成，DS18B20温度变送器在电池生产时预埋在锂电池内部，DS18B20温度变送器的三个接线端伸到锂电池外部，DS18B20温度变送器与蓝牙无线测温模块相连接，所述的DS18B20温度变送器由锂电池组中的一个锂电池供电，所述的蓝牙无线测温模块包括蓝牙发送器、嵌入式微电脑，嵌入式微电脑接收由DS18B20温度变送器的数据端CD发送的温度数据，并进行汇总、处理，并将温度数据发送到蓝牙发送器上，由蓝牙发送器发送出去，所述的嵌入式微电脑也由锂电池组中的一个锂电池供电。See Figure 1-Figure 5, the embedded lithium battery wireless temperature measurement system includes a lithium battery pack, a DS18B20 temperature transmitter, and a Bluetooth wireless temperature measurement module. The lithium battery pack is composed of lithium batteries whose number is 0<n≤8 Composed in series, the DS18B20 temperature transmitter is pre-buried inside the lithium battery during battery production, the three terminals of the DS18B20 temperature transmitter extend to the outside of the lithium battery, and the DS18B20 temperature transmitter is connected to the Bluetooth wireless temperature measurement module. The DS18B20 temperature transmitter described above is powered by a lithium battery in the lithium battery pack. The Bluetooth wireless temperature measurement module includes a Bluetooth transmitter and an embedded microcomputer. The temperature data is collected, processed, and the temperature data is sent to the bluetooth transmitter, which is sent out by the bluetooth transmitter. The embedded microcomputer is also powered by a lithium battery in the lithium battery pack.
所述的锂电池串联组成锂电池组，所述的每个锂电池内的DS18B20温度变送器相互连接，其中各个数据端CD相连接，各电源端VD相连接，各接地端相连接，多个DS18B20温度变送器相连接后再与蓝牙无线测温模块相连接。所述的DS18B20温度变送器预埋在各锂电池中间靠近外壳的内侧。The lithium batteries are connected in series to form a lithium battery pack, and the DS18B20 temperature transmitters in each of the lithium batteries are connected to each other, wherein each data terminal CD is connected, each power supply terminal VD is connected, each ground terminal is connected, and multiple The DS18B20 temperature transmitter is connected and then connected with the Bluetooth wireless temperature measurement module. The DS18B20 temperature transmitter is pre-embedded in the middle of each lithium battery close to the inside of the shell.
将很小的(黄豆粒大)一线总线式集成DS18B20温度变送器，预埋在锂电池中，多个锂电池串联成锂电池组，由于DS18B20温度变送器最多可连接8个，因此每个锂电池组最多由8个锂电池组成，每个锂电池中的DS18B20温度变送器的电源端VD相连接，并与蓝牙无线测温模块相应的接线端相连接，DS18B20温度变送器的数据端CD、接地端用同样的方式连接，并由任一个锂电池为蓝牙无线测温模块供电，各个DS18B20温度变送器将测得的数据由数据端CD发到蓝牙无线测温模块中，由蓝牙无线测温模块的嵌入式微电脑汇总并处理，然后经由蓝牙无线测温模块的蓝牙发送器发送到蓝牙无线测温收发模块上，温度监测模块的供电就采用锂电池组中的一个电池供电，不用时用开关K断开，见图4。每个电池组的温度数据经由蓝牙无线测温收发模块处理将温度检测信息发送到终端。A small (soybean-sized) one-line bus-type integrated DS18B20 temperature transmitter is pre-embedded in a lithium battery, and multiple lithium batteries are connected in series to form a lithium battery pack. Since DS18B20 temperature transmitters can be connected up to 8, each A lithium battery pack is composed of up to 8 lithium batteries. The power supply terminal VD of the DS18B20 temperature transmitter in each lithium battery is connected to the corresponding terminal of the Bluetooth wireless temperature measurement module. The DS18B20 temperature transmitter’s The data terminal CD and the ground terminal are connected in the same way, and any lithium battery supplies power to the Bluetooth wireless temperature measurement module. Each DS18B20 temperature transmitter sends the measured data from the data terminal CD to the Bluetooth wireless temperature measurement module. It is collected and processed by the embedded microcomputer of the Bluetooth wireless temperature measurement module, and then sent to the Bluetooth wireless temperature measurement transceiver module through the Bluetooth transmitter of the Bluetooth wireless temperature measurement module. The power supply of the temperature monitoring module is powered by a battery in the lithium battery pack. , disconnect with switch K when not in use, see Figure 4. The temperature data of each battery pack is processed by the Bluetooth wireless temperature measurement transceiver module and the temperature detection information is sent to the terminal.
所述的蓝牙无线测温收发模块由直流电源供电，由DSP嵌入式微电脑、键盘、LED显示屏、蓝牙收发器、RS-485接口、存贮器、USB接口组成，DSP嵌入式微电脑与键盘、LED显示屏、蓝牙收发器、RS-485接口、存贮器、USB接口相连接，温度数据由蓝牙无线测温模块内的蓝牙发送器发到蓝牙收发器上；蓝牙收发器将收到的信号发到DSP嵌入式微电脑上，DSP嵌入式微电脑对多个蓝牙无线测温模块发送来的温度信息进行处理汇总，并可通过显示器显示，存贮器存储，通过蓝牙收发器发送到终端，终端管理系统对每个锂电池的充放电进行监测、调控。The Bluetooth wireless temperature measurement transceiver module is powered by a DC power supply and is composed of a DSP embedded microcomputer, a keyboard, an LED display, a Bluetooth transceiver, an RS-485 interface, a memory, and a USB interface. The DSP embedded microcomputer and keyboard, The LED display, Bluetooth transceiver, RS-485 interface, memory, and USB interface are connected, and the temperature data is sent to the Bluetooth transceiver by the Bluetooth transmitter in the Bluetooth wireless temperature measurement module; the Bluetooth transceiver will receive the signal Send to the DSP embedded microcomputer, the DSP embedded microcomputer processes and summarizes the temperature information sent by multiple Bluetooth wireless temperature measurement modules, and can be displayed on the display, stored in the memory, sent to the terminal through the Bluetooth transceiver, and managed by the terminal The system monitors and regulates the charging and discharging of each lithium battery.
本实用新型将一线总线式集成温度变送器DS18B20，在锂电池生产时预埋在锂电池中间靠外壳内侧，它能测得锂电池接近实际的温度，而且使温度监测系统结构大为简化；采用锂电池组中的一个锂电池兼给蓝牙无线测温发送器模块供电(3.2V，且耗电量很小)，使温度监测系统结构更进一步简化；采用预埋一线总线式集成温度变送器DS18B20，可并联使用，实现了锂电池组网络测温的创新；锂电池组网络测温和蓝牙无线数据传输的创新技术，可用于多种电池组的温度监测系统和电池组综合管理系统。In the utility model, the one-line bus-type integrated temperature transmitter DS18B20 is pre-embedded in the middle of the lithium battery and close to the inner side of the shell during lithium battery production. It can measure the temperature close to the actual temperature of the lithium battery, and greatly simplifies the structure of the temperature monitoring system; A lithium battery in the lithium battery pack is used to supply power to the Bluetooth wireless temperature measurement transmitter module (3.2V, and the power consumption is very small), which further simplifies the structure of the temperature monitoring system; it adopts a pre-embedded one-line bus integrated temperature transmitter The device DS18B20 can be used in parallel to realize the innovation of lithium battery pack network temperature measurement; the innovative technology of lithium battery pack network temperature measurement and Bluetooth wireless data transmission can be used for temperature monitoring systems of various battery packs and battery pack integrated management systems.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420668142.0U CN204228278U (en) | 2014-11-10 | 2014-11-10 | A kind of pre-buried lithium battery wireless temperature measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420668142.0U CN204228278U (en) | 2014-11-10 | 2014-11-10 | A kind of pre-buried lithium battery wireless temperature measurement system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204228278U true CN204228278U (en) | 2015-03-25 |
Family
ID=52926360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420668142.0U Expired - Fee Related CN204228278U (en) | 2014-11-10 | 2014-11-10 | A kind of pre-buried lithium battery wireless temperature measurement system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204228278U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330178A (en) * | 2014-11-10 | 2015-02-04 | 国网辽宁省电力有限公司鞍山供电公司 | A wireless temperature measurement system for pre-embedded lithium batteries |
| CN107230806A (en) * | 2017-05-27 | 2017-10-03 | 辽宁凯信新能源技术有限公司 | A kind of lithium battery group network temperature measuring system |
| CN107659616A (en) * | 2017-08-31 | 2018-02-02 | 深圳市艾廷思技术有限公司 | Temperature monitoring system |
| CN113839112A (en) * | 2021-08-16 | 2021-12-24 | 北京航空航天大学 | A method for wireless in-situ measurement of battery internal temperature |
-
2014
- 2014-11-10 CN CN201420668142.0U patent/CN204228278U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330178A (en) * | 2014-11-10 | 2015-02-04 | 国网辽宁省电力有限公司鞍山供电公司 | A wireless temperature measurement system for pre-embedded lithium batteries |
| CN107230806A (en) * | 2017-05-27 | 2017-10-03 | 辽宁凯信新能源技术有限公司 | A kind of lithium battery group network temperature measuring system |
| CN107659616A (en) * | 2017-08-31 | 2018-02-02 | 深圳市艾廷思技术有限公司 | Temperature monitoring system |
| WO2019041503A1 (en) * | 2017-08-31 | 2019-03-07 | 深圳市艾廷思技术有限公司 | Temperature monitoring system |
| CN113839112A (en) * | 2021-08-16 | 2021-12-24 | 北京航空航天大学 | A method for wireless in-situ measurement of battery internal temperature |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203243069U (en) | Efficient lithium ion battery pack charge controller | |
| CN204228278U (en) | A kind of pre-buried lithium battery wireless temperature measurement system | |
| CN102082312A (en) | High-capacity energy storage device | |
| CN201397383Y (en) | Electric vehicle lithium iron phosphate power battery detection device | |
| CN201956725U (en) | Equalizing device of power iron phosphate lithium battery pack | |
| CN205246835U (en) | Lithium battery power management system based on DS2788 | |
| CN202981970U (en) | Solar noncontact thermometer | |
| CN104330178A (en) | A wireless temperature measurement system for pre-embedded lithium batteries | |
| CN202872392U (en) | Intelligent control device of nano lead-acid storage battery | |
| CN204089270U (en) | A kind of mining lithium battery intelligent management system | |
| CN108282012A (en) | Cell managing device and system | |
| CN108054450A (en) | A kind of lithium battery management system | |
| CN203773028U (en) | Battery performance inspection apparatus | |
| CN201327529Y (en) | Lithium-ion power battery grouping monitor system | |
| CN103956972A (en) | Photovoltaic power generation energy storage power station three-layer battery monitoring system and monitoring method | |
| CN209344266U (en) | A lithium battery management system | |
| CN202856402U (en) | Intelligent monitoring device of state of lead-acid storage battery | |
| CN202770972U (en) | Information detection system for intelligent charger ahead of charging | |
| CN103956833A (en) | Wind and light energy storage power station battery monitoring system and method | |
| CN222301443U (en) | Lithium battery charging speed control circuit | |
| CN206254815U (en) | Battery Management System of EV | |
| CN104062593A (en) | Battery power detection system | |
| CN103354372A (en) | Intelligent battery management apparatus | |
| CN204556796U (en) | A kind of accumulator wireless management system | |
| CN205427160U (en) | Power battery organizes on -line monitoring mobile terminal device |
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: 20150325 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |