CN205388998U - Nickel -hydrogen battery management system - Google Patents

Nickel -hydrogen battery management system Download PDF

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Publication number
CN205388998U
CN205388998U CN201620086270.3U CN201620086270U CN205388998U CN 205388998 U CN205388998 U CN 205388998U CN 201620086270 U CN201620086270 U CN 201620086270U CN 205388998 U CN205388998 U CN 205388998U
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China
Prior art keywords
module
power
battery
nickel
battery management
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Active
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CN201620086270.3U
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Chinese (zh)
Inventor
付仲
毛海旭
肖伟超
彭勇
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Chengdu Tuoyuan Zhongma Technology Co Ltd
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Chengdu Tuoyuan Zhongma Technology Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The utility model discloses a nickel -hydrogen battery management system, including processor module, processor module connects voltage testing, power module, current detection module, control of charge and discharge module, temperature test module, data communication module, alarm module and storage module, voltage testing connects gradually power module, current detection module and control of charge and discharge module, temperature test module connect temperature sensor, power module pass through equalization module and are connected with processor module, and power module includes anti -reverse connection circuit, and anti -reverse connection circuit connects gradually filter circuit and power switching circuit. The utility model discloses a nickel -hydrogen battery management system can real -time supervision nickel -hydrogen battery electric current, voltage and temperature information, prevent effectively that nickel -hydrogen battery from appearing overcharging and crossing electric discharge phenomena, improve the utilization ratio of battery, prolong the life of battery.

Description

Nickel-hydrogen battery management system
Technical field
This utility model relates to a kind of battery management system, especially a kind of nickel-hydrogen battery management system.
Background technology
Ni-MH battery as a kind of high energy green rechargeable battery developed rapidly now, high by energy density, can fast charging and discharging, have extended cycle life and the advantage such as pollution-free is widely applied in fields such as notebook computer, field camera, digital camera and electric bicycles.
As a kind of secondary cell, there are some following shortcomings in Ni-MH battery, as short in storage little energy, life-span, connection in series-parallel uses problem, safety in utilization, battery electric quantity estimation difficulty etc..The performance of battery is very complicated, and different types of battery behavior also differs greatly.Secondary cell uses and miscarriage, secondary cell can be caused overcharge and overdischarge occur, reduce the service life of battery.Therefore, consider for the safety in utilization of battery, in the application scenario that some are important, it is necessary to monitor battery information in real time, battery is carried out safety management, ensure the reliability of battery, simultaneously for jumbo Ni-MH battery, under high current status, the temperature of battery easily raises, need to monitor in real time the temperature of Ni-MH battery, send warning reminding when Ni-MH battery temperature is too high and take measures, to prevent security incident.
Utility model content
The purpose of this utility model is to provide a kind of nickel-hydrogen battery management system, the electric current of Ni-MH battery, voltage and temperature information can be monitored in real time, effectively prevent Ni-MH battery from overcharge and overdischarge phenomenon occurring, improve the utilization rate of battery, extend the service life of battery.
For achieving the above object, an embodiment of the present utility model is adopted the technical scheme that:
Battery management system includes processor module, and processor module connects voltage detection module, power module, current detection module, charge and discharge control module, temperature test module, data communication module, alarm module and memory module;Voltage detection module is sequentially connected with power module, current detection module and charge and discharge control module;Temperature test module connects temperature sensor, and power module is connected with processor module by balance module, and power module includes reverse-connection preventing circuit, and reverse-connection preventing circuit is sequentially connected with filter circuit and power-switching circuit.
What this nickel-hydrogen battery management system produced has the beneficial effect that
Native system can realize non-maintaining intelligent battery 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 set of cells intelligent charge strategy and equalizaing charge, it is possible to effectively prevent Ni-MH battery from overcharge and overdischarge phenomenon occur, improve the utilization rate of Ni-MH battery, extend the service life of Ni-MH battery.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of an embodiment of nickel-hydrogen battery management system of the present utility model.
Fig. 2 is the schematic diagram of one embodiment of power module of nickel-hydrogen battery management system 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, Fig. 2, in an embodiment of the present utility model, nickel-hydrogen battery management system includes processor module, and processor module connects voltage detection module, power module, current detection module, charge and discharge control module, temperature test module, data communication module, alarm module and memory module;Voltage detection module is sequentially connected with power module, current detection module and charge and discharge control module;Temperature test module connects temperature sensor, and power module is connected with processor module by balance module, and power module includes reverse-connection preventing circuit, and reverse-connection preventing circuit is sequentially connected with filter circuit and power-switching circuit.Power-switching circuit can be filter circuit, and filter circuit is sequentially connected with DC-DC power source and 5V turns 3.3V chip.
Processor module controls battery cell voltage test module and completes the voltage tester of battery module;Control charge and discharge control module to realize controlling charge and discharge according to configuration information;Control CAN protocol controller etc. and realize mutual with management system information;Temperature test module realizes the temperature test to battery module;The order of processor module receiving management system, complete corresponding test after again the mode of test result record is write memorizer or is sent to management system etc..Memory module can comprise two memorizeies, and mass storage is for data storage, and small-capacity memory stores for the appearance configuration information of battery.
Nickel-hydrogen battery management system is powered based on 24v power supply, adopts the CAN that non-isolated 24V width pressure DC-DC Switching Power Supply produces 5.0v to drive power supply, adopts high-precision power supply chip to produce 3.3v and provide power supply to circuit board IC.
The anti-reverse defencive function circuit of input power is realized based on power switch pipe, diode or special IC.When the positive and negative electrode of power supply input connects correct, battery detecting assembly normal operation;During the positive and negative electrode connection error that power supply inputs, power module does not work, but connection error can't damage nickel-hydrogen battery management system, and after getting rid of reversal connection mistake, nickel-hydrogen battery management system can normal operation.
In a kind of embodiment of battery management system of the present utility model, processor module connects clock circuit by data/address 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.
In a kind of embodiment of battery management system of the present utility model, processor module and communication module are by RS232 serial communication, communication module includes CAN protocol controller and CAN interface driver, adopts isolating chip to connect between CAN protocol controller and CAN interface driver.
Isolating chip is adopted between CAN protocol controller and CAN interface driver, message transmission rate reaches 2M, the signal of the TTL logic control signal and CAN line side that realize CAN is isolated, the instantaneous ac isolation voltage of chip reaches 2500v, DC-isolation voltage reaches 1000v, it is possible to meet voltage module stacking in application.
The operation principle of system is as follows:
The nickel-hydrogen battery management system command messages by data communication module receiving management system, the processor module of reserve battery management system is coordinated voltage detection module after resolving message and cell voltage is tested;Processor module controls the temperature of temperature test module testing battery module;Processor module controls balance module and controls battery module each battery unit balanced;Processor module controls the charge and discharge control module charge and discharge to battery module;Processor module controls the size of current of current detection module test charge and discharge.Nickel-hydrogen battery management system part is by according to the management system data processing policy to this nickel-hydrogen battery management system, select battery cell voltage test data, total voltage, battery unit temperature test data be stored in memorizer, or transmit data simultaneously to management system.
Nickel-hydrogen battery management system is in the test process of battery module; according to the message of management system tactful active reporting battery cell voltage exception that battery module test or temperature anomaly, battery management system can be asked the emergency response of specific battery module and treatment measures.
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 (3)

1. a nickel-hydrogen battery management system, it is characterized in that: include processor module, described processor module connects voltage detection module, power module, current detection module, charge and discharge control module, temperature test module, data communication module, alarm module and memory module;Described voltage detection module is sequentially connected with power module, current detection module and charge and discharge control module;Described temperature test module connects temperature sensor, and described power module is connected with described processor module by balance module, and described power module includes reverse-connection preventing circuit, and described reverse-connection preventing circuit is sequentially connected with filter circuit and power-switching circuit.
2. battery management system according to claim 1, it is characterised in that: described processor module connects clock circuit by data/address bus, and described clock circuit is provided with crystal compensator, clock/calendar and power-fail indicator.
3. battery management system according to claim 1 and 2, it is characterized in that: described processor module and described communication module are by RS232 serial communication, described communication module includes CAN protocol controller and CAN interface driver, adopts isolating chip to connect between described CAN protocol controller and CAN interface driver.
CN201620086270.3U 2016-01-28 2016-01-28 Nickel -hydrogen battery management system Active CN205388998U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620086270.3U CN205388998U (en) 2016-01-28 2016-01-28 Nickel -hydrogen battery management system

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Application Number Priority Date Filing Date Title
CN201620086270.3U CN205388998U (en) 2016-01-28 2016-01-28 Nickel -hydrogen battery management system

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CN205388998U true CN205388998U (en) 2016-07-20

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107887658A (en) * 2016-09-29 2018-04-06 法乐第(北京)网络科技有限公司 Accumulator cell assembly, motor vehicle
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
CN110556596A (en) * 2019-08-30 2019-12-10 湖南科霸汽车动力电池有限责任公司 48V nickel-metal hydride battery management system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107887658A (en) * 2016-09-29 2018-04-06 法乐第(北京)网络科技有限公司 Accumulator cell assembly, motor vehicle
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
CN110556596A (en) * 2019-08-30 2019-12-10 湖南科霸汽车动力电池有限责任公司 48V nickel-metal hydride battery management system

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