CN205388997U - Module detection device of secondary lithium battery group - Google Patents
Module detection device of secondary lithium battery group Download PDFInfo
- Publication number
- CN205388997U CN205388997U CN201620085531.XU CN201620085531U CN205388997U CN 205388997 U CN205388997 U CN 205388997U CN 201620085531 U CN201620085531 U CN 201620085531U CN 205388997 U CN205388997 U CN 205388997U
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- China
- Prior art keywords
- circuit
- module
- lithium battery
- battery group
- master board
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- 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
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a module detection device of secondary lithium battery group, including secondary lithium battery group and the main control panel, the main control panel connects temperature sampling circuit, the information recorded circuit that discharges, battery indicator circuit, display screen, current sampling circuit, balanced protection circuit, communication module, switch drive circuit, SOCSOH module, alarm module and the main control panel 0 module, temperature sampling circuit connect temperature sensor, the display screen is all connected to the information recorded circuit that discharges, SOCSOH module and battery indicator circuit, switch drive circuit connect protection switch, protection switch are located lithium cell group positive terminal, current sampling circuit junction current sensor, current sensor are located lithium cell group negative pole end.
Description
Technical field
This utility model relates to a kind of battery supply detecting device, especially a kind of serondary lithium battery group module detecting device.
Background technology
Secondary cell is also called rechargeable battery, and secondary cell utilizes the reversibility of chemical reaction, sets up into a new battery.Namely after a chemical reaction is converted into electric energy, it is also possible to make chemical system reparation with electric energy, then recycling chemical reaction is converted into electric energy, and the charge and discharge cycles of secondary cell arrives up to ten thousand times up to thousands of times, therefore its more economical practicality of relative aneroid battery.
Along with the aggravation of environmental pollution and energy crisis, the electric automobile of energy-conserving and environment-protective becomes the trend of automobile industry future development.Lithium battery has the highest energy density ratio and power density ratio in all secondary cells, therefore becomes the batteries of electric automobile being most widely used.Inherent character due to lithium battery material so that it is all can cause serious performance degradation even safety problem when overcharge, overdischarge and excess temperature.If lithium battery group is not effectively managed, the performance of set of cells will decay rapidly, and ultimately resulting in set of cells cannot use.
Utility model content
The purpose of this utility model is to provide a kind of serondary lithium battery group module detecting device, it is possible to effectively prevents secondary battery from overcharge and overdischarge phenomenon occur, improves the utilization rate of lithium battery group, extends the service life of lithium battery group.
For achieving the above object, an embodiment of the present utility model is adopted the technical scheme that:
Including serondary lithium battery group and master board, master board connects temperature sampling circuit, discharge information writing circuit, electric quantity display circuit, display screen, current sampling circuit, cell equalizing protecting circuit, communication module, switch driving circuit, SOC/SOH module, alarm module and charge and discharge control module；Temperature sampling circuit connects temperature sensor, and discharge information writing circuit, SOC/SOH module and electric quantity display circuit are all connected with display screen；Switch driving circuit connects protection switch, and protection switch is positioned at lithium battery group positive terminal；Current sampling circuit connects current sensor, and current sensor is positioned at lithium battery group negative pole end；Master board connects clock circuit by data/address bus；Master board is connected by CAN with communication module, and communication module includes CAN protocol controller and CAN interface driver, adopts isolating chip to connect between CAN protocol controller and CAN interface driver；Master board is provided with man machine interface, and man machine interface includes status display unit, liquid crystal display, operation button and acoustic-optic alarm.
What serondary lithium battery group module detecting device of the present utility model produced has the beneficial effect that
Native system can realize non-maintaining intelligent electric power management, including to the voltage of lithium battery group, electric current, temperature information collection and process, stream was provided, overvoltage, under-voltage grade is reported to the police and writing function, and the function such as lithium battery group intelligent charge strategy and equalizaing charge, it is possible to effectively prevent lithium battery group from overcharge and overdischarge phenomenon occur, improve the utilization rate of lithium battery group, extend the service life of lithium battery group.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of an embodiment of a kind of serondary lithium battery group module detecting device of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail.
With reference to Fig. 1; in an embodiment of the present utility model; serondary lithium battery group module detecting device includes serondary lithium battery group and master board, and master board connects temperature sampling circuit, discharge information writing circuit, electric quantity display circuit, display screen, current sampling circuit, cell equalizing protecting circuit, communication module, switch driving circuit, SOC/SOH module, alarm module and charge and discharge control module；Temperature sampling circuit connects temperature sensor, and discharge information writing circuit, SOC/SOH module and electric quantity display circuit are all connected with display screen；Switch driving circuit connects protection switch, and protection switch is positioned at lithium battery group positive terminal；Current sampling circuit connects current sensor, and current sensor is positioned at lithium battery group negative pole end；Master board connects clock circuit by data/address bus；Master board is connected by CAN with communication module, and communication module includes CAN protocol controller and CAN interface driver, adopts isolating chip to connect between CAN protocol controller and CAN interface driver；Master board is provided with man machine interface, and man machine interface includes status display unit, liquid crystal display, operation button and acoustic-optic alarm.
Voltage collection circuit connects voltage acquisition chip, and cell equalizing protecting circuit connects each battery unit.
Status display unit includes power supply, communication, three LED of state.
Alarm module includes built-in buzzer warning.
Liquid crystal display display battery cell voltage and total voltage, SOC, SOH, battery remaining power, set of cells humiture, warning message.
In a kind of embodiment of management system of the present utility model, master board connects memory module.
In a kind of embodiment of management system of the present utility model, current collection circuit connects current acquisition chip and sense of current decision circuitry.
Communication module protection CAN, RS232, RS485；Memory module includes SPI high-capacity FLASH storage Large Volume Data and I2C low capacity EEPROM parameter configuration data.
Processor module connects clock circuit by I2C bus, and clock circuit is provided with crystal compensator, clock/calendar and power-fail indicator.It is capable of the user SRAM that cycle or poll are reported to the police, intelligence backup battery switching and backup battery are powered.
Above-mentioned embodiment is used for illustrating this utility model; rather than this utility model is limited; in spirit of the present utility model and scope of the claims, any amendment that this utility model is made and change, both fall within protection domain of the present utility model.
Claims (2)
1. a serondary lithium battery group module detecting device; it is characterized in that: include serondary lithium battery group and master board, described master board connects temperature sampling circuit, discharge information writing circuit, electric quantity display circuit, display screen, current sampling circuit, cell equalizing protecting circuit, communication module, switch driving circuit, SOC/SOH module, alarm module and charge and discharge control module；Described temperature sampling circuit connects temperature sensor, and described discharge information writing circuit, SOC/SOH module and electric quantity display circuit are all connected with display screen；Described switch driving circuit connects protection switch, and described protection switch is positioned at described lithium battery group positive terminal；Described current sampling circuit connects current sensor, and described current sensor is positioned at described lithium battery group negative pole end；Described master board connects clock circuit by data/address bus；Master board is connected by CAN with communication module, and communication module includes CAN protocol controller and CAN interface driver, adopts isolating chip to connect between CAN protocol controller and CAN interface driver；Described master board is provided with man machine interface, and described man machine interface includes status display unit, liquid crystal display, operation button and acoustic-optic alarm.
2. detecting device according to claim 1, it is characterised in that: described master board connects memory module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620085531.XU CN205388997U (en) | 2016-01-28 | 2016-01-28 | Module detection device of secondary lithium battery group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620085531.XU CN205388997U (en) | 2016-01-28 | 2016-01-28 | Module detection device of secondary lithium battery group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205388997U true CN205388997U (en) | 2016-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201620085531.XU Active CN205388997U (en) | 2016-01-28 | 2016-01-28 | Module detection device of secondary lithium battery group |
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| CN (1) | CN205388997U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058341A (en) * | 2016-08-10 | 2016-10-26 | 合肥国盛电池科技有限公司 | Novel lithium battery pack |
| CN108565922A (en) * | 2018-05-08 | 2018-09-21 | 成都拓源仲玛科技有限公司 | A kind of disposable lithium-battery integrated information monitoring system |
| CN112216885A (en) * | 2020-10-15 | 2021-01-12 | 上海畅联智融通讯科技有限公司 | Mobile terminal battery life cycle reading circuit |
-
2016
- 2016-01-28 CN CN201620085531.XU patent/CN205388997U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058341A (en) * | 2016-08-10 | 2016-10-26 | 合肥国盛电池科技有限公司 | Novel lithium battery pack |
| CN108565922A (en) * | 2018-05-08 | 2018-09-21 | 成都拓源仲玛科技有限公司 | A kind of disposable lithium-battery integrated information monitoring system |
| CN112216885A (en) * | 2020-10-15 | 2021-01-12 | 上海畅联智融通讯科技有限公司 | Mobile terminal battery life cycle reading circuit |
| CN112216885B (en) * | 2020-10-15 | 2021-11-05 | 上海畅联智融通讯科技有限公司 | Mobile terminal battery life cycle reading circuit |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |