CN106252754A - A kind of battery management system - Google Patents

A kind of battery management system Download PDF

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Publication number
CN106252754A
CN106252754A CN201610739617.4A CN201610739617A CN106252754A CN 106252754 A CN106252754 A CN 106252754A CN 201610739617 A CN201610739617 A CN 201610739617A CN 106252754 A CN106252754 A CN 106252754A
Authority
CN
China
Prior art keywords
battery
conversion type
type relay
unit
battery component
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.)
Pending
Application number
CN201610739617.4A
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Chinese (zh)
Inventor
朱玉俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201610739617.4A priority Critical patent/CN106252754A/en
Publication of CN106252754A publication Critical patent/CN106252754A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4271Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
    • 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 invention discloses a kind of battery management system, including battery component, battery component detector unit and central controller, the positive pole of described battery component and negative pole are connected with motor by positive bus and negative bus respectively, described battery component includes the first conversion type relay and two Battery pack groups, the movable contact of the first conversion type relay is connected with positive bus, the positive pole of two Battery pack groups is connected with two stationary contacts of the first conversion type relay respectively, the negative pole of two Battery pack groups is all connected with negative bus, described battery component detector unit is in order to detect the electric current of battery component output, voltage and temperature, and control the first conversion type relay, described battery component detector unit and central controller connect.The present invention is provided with two Battery pack groups, when one of which breaks down or damages, is transformed into another Battery pack group by the first conversion type relay, does not interferes with normal power supply.

Description

A kind of battery management system
Technical field
The present invention relates to a kind of battery management system, belong to power technique fields.
Background technology
Battery management system (BATTERY MANAGEMENT SYSTEM) is called for short BMS, and major function is contemplated to carry The utilization rate of high battery, prevents battery from occurring overcharging and over-discharge, extends the service life of battery, the shape of monitoring battery State.For electric motor car, BMS system bears critically important responsibility, is the core house keeper of battery.Existing battery of electric vehicle Group is in series by some batteries, and when one of them battery goes wrong, whole set of cells can stop output, it is impossible to normal Run.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of battery management system.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of battery management system, including battery component, battery component detector unit and central controller, described battery component Positive pole and negative pole are connected with motor by positive bus and negative bus respectively, and described battery component includes the first conversion type relay Device and two Battery pack groups, the movable contact of the first conversion type relay is connected with positive bus, the positive pole of two Battery pack groups respectively with Two stationary contacts of the first conversion type relay connect, and the negative pole of two Battery pack groups is all connected with negative bus, described set of cells Part detector unit is in order to detect electric current, voltage and the temperature of battery component output, and controls the first conversion type relay, described electricity Pond component detection unit and central controller connect.
The positive pole of two Battery pack groups is connected with two stationary contacts of the first conversion type relay respectively by fuse.
Every Battery pack group include several battery units connected, each battery unit include the second conversion type relay, Battery and battery detection unit, the movable contact of the second conversion type relay is as the positive output end of battery unit, the positive pole of battery It is connected with a stationary contact of the second conversion type relay, the negative pole of battery and another stationary contact of the second conversion type relay Connecting, the stationary contact being connected with battery cathode is as the negative output terminal of battery unit, and battery detection unit is defeated in order to detect battery Electric current, voltage and the temperature gone out, and control the second conversion type relay, described battery detection unit and central controller connect.
The positive pole of battery is connected by a stationary contact of fuse and the second conversion type relay.
Battery component detector unit and battery detection unit are all connected with central controller by CAN.
The beneficial effect that the present invention is reached: 1, the present invention is provided with two Battery pack groups, break down when one of which or During damage, it is transformed into another Battery pack group by the first conversion type relay, does not interferes with normal power supply;2, the present invention is by the Two conversion type relays, can reject fault or the battery of damage in set of cells, not affect the work of set of cells;3, each battery and Each set of cells is respectively connected with fuse, can effectively carry out overcurrent protection.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of set of cells.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.Following example are only used for clearly illustrating the present invention Technical scheme, and can not limit the scope of the invention with this.
As it is shown in figure 1, a kind of battery management system, including battery component, battery component detector unit and central controller, The positive pole of battery component and negative pole are connected with motor by positive bus and negative bus respectively, and battery component includes the first conversion Type relay and two Battery pack groups, the movable contact of the first conversion type relay is connected with positive bus, the positive pole of two Battery pack groups Being connected with two stationary contacts of the first conversion type relay respectively, the negative pole of two Battery pack groups is all connected with negative bus, battery Component detection unit is in order to detect electric current, voltage and the temperature of battery component output, and controls the first conversion type relay, battery Component detection unit and central controller connect.
As in figure 2 it is shown, every Battery pack group includes that several battery units connected, each battery unit include the second conversion Type relay, battery and battery detection unit, the movable contact of the second conversion type relay is as the positive output end of battery unit, electricity One stationary contact of the positive pole in pond and the second conversion type relay connects, another of the negative pole of battery and the second conversion type relay Individual stationary contact connects, and the stationary contact being connected with battery cathode is as the negative output terminal of battery unit, and battery detection unit is in order to examine Surveying electric current, voltage and the temperature of battery output, and control the second conversion type relay, described battery detection unit and central authorities control Device connects.
The positive pole of above-mentioned two Battery pack groups is connected with two stationary contacts of the first conversion type relay respectively by fuse; The positive pole of battery is connected by a stationary contact of fuse and the second conversion type relay;Can effectively carry out overcurrent protection.
Above-mentioned battery component detector unit and battery detection unit are all connected with central controller by CAN.
Above-mentioned battery management system is provided with two Battery pack groups, when one of which breaks down or damages, by first Conversion type relay is transformed into another Battery pack group, does not interferes with normal power supply;Simultaneously by the second conversion type relay, can pick Except fault or the battery of damage in set of cells, do not affect the work of set of cells.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For Yuan, on the premise of without departing from the technology of the present invention principle, it is also possible to make some improvement and deformation, these improve and deformation Also should be regarded as protection scope of the present invention.

Claims (5)

1. a battery management system, it is characterised in that: include battery component, battery component detector unit and central controller, The positive pole of described battery component and negative pole are connected with motor by positive bus and negative bus respectively, and described battery component includes First conversion type relay and two Battery pack groups, the movable contact of the first conversion type relay is connected with positive bus, two Battery packs The positive pole of group is connected with two stationary contacts of the first conversion type relay respectively, and the negative pole of two Battery pack groups is all with negative bus even Connecing, described battery component detector unit is in order to detect electric current, voltage and the temperature of battery component output, and controls the first conversion type Relay, described battery component detector unit and central controller connect.
A kind of battery management system the most according to claim 1, it is characterised in that: the positive pole of two Battery pack groups is by fusing Device is connected with two stationary contacts of the first conversion type relay respectively.
A kind of battery management system the most according to claim 1, it is characterised in that: every Battery pack group includes that several are connected Battery unit, each battery unit includes the second conversion type relay, battery and battery detection unit, the second conversion type relay The movable contact of device is as the positive output end of battery unit, the positive pole of battery and a stationary contact of the second conversion type relay even Connecing, the negative pole of battery and another stationary contact of the second conversion type relay connect, the stationary contact conduct being connected with battery cathode The negative output terminal of battery unit, battery detection unit is in order to detect electric current, voltage and the temperature of battery output, and controls second turn Remodeling relay, described battery detection unit and central controller connect.
A kind of battery management system the most according to claim 3, it is characterised in that: the positive pole of battery is by fuse and the One stationary contact of two conversion type relays connects.
A kind of battery management system the most according to claim 3, it is characterised in that: battery component detector unit and battery inspection Survey unit to be all connected with central controller by CAN.
CN201610739617.4A 2016-08-29 2016-08-29 A kind of battery management system Pending CN106252754A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610739617.4A CN106252754A (en) 2016-08-29 2016-08-29 A kind of battery management system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610739617.4A CN106252754A (en) 2016-08-29 2016-08-29 A kind of battery management system

Publications (1)

Publication Number Publication Date
CN106252754A true CN106252754A (en) 2016-12-21

Family

ID=57596942

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610739617.4A Pending CN106252754A (en) 2016-08-29 2016-08-29 A kind of battery management system

Country Status (1)

Country Link
CN (1) CN106252754A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6650086B1 (en) * 2002-11-26 2003-11-18 I-Chang Chang Automatic detecting and switching vehicle charger
CN102263304A (en) * 2011-07-01 2011-11-30 山东上存能源股份有限公司 Lithium-ion power battery and battery management system
CN102361099A (en) * 2011-07-29 2012-02-22 南京华博科技有限公司 Balancing control system and method for cell array
CN202495535U (en) * 2012-02-08 2012-10-17 深圳市比亚迪锂电池有限公司 Power battery pack and power battery system
CN206003916U (en) * 2016-08-29 2017-03-08 朱玉俊 A kind of battery management system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6650086B1 (en) * 2002-11-26 2003-11-18 I-Chang Chang Automatic detecting and switching vehicle charger
CN102263304A (en) * 2011-07-01 2011-11-30 山东上存能源股份有限公司 Lithium-ion power battery and battery management system
CN102361099A (en) * 2011-07-29 2012-02-22 南京华博科技有限公司 Balancing control system and method for cell array
CN202495535U (en) * 2012-02-08 2012-10-17 深圳市比亚迪锂电池有限公司 Power battery pack and power battery system
CN206003916U (en) * 2016-08-29 2017-03-08 朱玉俊 A kind of battery management system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
邹建华: "《电机及控制技术》", 31 January 2014 *

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Application publication date: 20161221