CN206003916U - A kind of battery management system - Google Patents

A kind of battery management system Download PDF

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Publication number
CN206003916U
CN206003916U CN201620959392.9U CN201620959392U CN206003916U CN 206003916 U CN206003916 U CN 206003916U CN 201620959392 U CN201620959392 U CN 201620959392U CN 206003916 U CN206003916 U CN 206003916U
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.)
Expired - Fee Related
Application number
CN201620959392.9U
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Chinese (zh)
Inventor
朱玉俊
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Individual
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Individual
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Priority to CN201620959392.9U priority Critical patent/CN206003916U/en
Application granted granted Critical
Publication of CN206003916U publication Critical patent/CN206003916U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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 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 pass through positive bus and negative bus and motor connection 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.This utility model 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 interfere with normal power supply.

Description

A kind of battery management system
Technical field
This utility model is related to a kind of battery management system, belongs to power technique fields.
Background technology
Battery management system (BATTERY MANAGEMENT SYSTEM) abbreviation BMS, major function is just able 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 battery goes wrong, whole set of cells can stop output it is impossible to normal Run.
Utility model content
In order to solve above-mentioned technical problem, this utility model provides a kind of battery management system.
In order to achieve the above object, this utility model be employed technical scheme comprise that:
A kind of battery management system, including battery component, battery component detector unit and central controller, described set of cells The positive pole of part and negative pole pass through positive bus and negative bus and motor connection respectively, and 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, and the positive pole of two Battery pack groups divides It is not connected with two stationary contacts of the first conversion type relay, the negative pole of two Battery pack groups is all connected with negative bus, described electricity Pond 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, institute State battery component detector unit and central controller connects.
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 includes the battery unit of several series connection, 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, another stationary contact of the negative pole of battery and the second conversion type relay Connect, as the negative output terminal of battery unit, battery detection unit is defeated in order to detect battery for the stationary contact being connected with battery cathode Electric current, voltage and the temperature going out, and control the second conversion type relay, described battery detection unit and central controller connect.
The positive pole of battery is connected with a stationary contact of the second conversion type relay by fuse.
Battery component detector unit and battery detection unit are all connected with central controller by CAN.
The beneficial effect that this utility model is reached:1st, this utility model is provided with two Battery pack groups, when one of which goes out When existing fault or damage, another Battery pack group is transformed into by the first conversion type relay, does not interfere with normal power supply;2nd, this reality With new, the battery of fault or damage in set of cells can be rejected by the second conversion type relay, not affect the work of set of cells; 3rd, each battery and each set of cells are respectively connected with fuse, can effectively carry out overcurrent protection.
Brief description
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of set of cells.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is further described.Following examples are only used for this is clearly described The technical scheme of utility model, and protection domain of the present utility model can not be limited with this.
As 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 pass through positive bus and negative bus and motor connection 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 It 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, 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 shown in Fig. 2 every Battery pack group includes the battery unit of several series connection, each battery unit includes 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 The positive pole in pond is connected with a stationary contact of the second conversion type relay, and the negative pole of battery is another with the second conversion type relay Individual stationary contact connects, and, as the negative output terminal of battery unit, battery detection unit is in order to examine for the stationary contact being connected with battery cathode Survey 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 with a stationary contact of the second conversion type relay by fuse;Overcurrent protection can effectively be carried out.
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 interfere with normal power supply;Pass through the second conversion type relay simultaneously, can pick Except the battery of fault or damage in set of cells, do not affect the work of set of cells.
The above is only preferred implementation of the present utility model it is noted that common skill for the art For art personnel, on the premise of without departing from this utility model know-why, some improvement can also be made and deform, these change Enter and deform also to should be regarded as protection domain of the present utility model.

Claims (5)

1. a kind of battery management system it is characterised in that:Including battery component, battery component detector unit and central controller, The positive pole of described battery component and negative pole pass through positive bus and negative bus and motor connection 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 Connect, 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.
2. a kind of battery management system according to claim 1 it is characterised in that:The positive pole of two Battery pack groups passes through fusing Device is connected with two stationary contacts of the first conversion type relay respectively.
3. a kind of battery management system according to claim 1 it is characterised in that:Every Battery pack group includes several series connection Battery unit, each battery unit includes the second conversion type relay, battery and battery detection unit, the second conversion type relay , as the positive output end of battery unit, a stationary contact of the positive pole of battery and the second conversion type relay is even for the movable contact of device Connect, the negative pole of battery is connected with another stationary contact of the second conversion type relay, 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 Remodel relay, described battery detection unit and central controller connect.
4. a kind of battery management system according to claim 3 it is characterised in that:The positive pole of battery passes through fuse and the One stationary contact of two conversion type relays connects.
5. a kind of battery management system 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.
CN201620959392.9U 2016-08-29 2016-08-29 A kind of battery management system Expired - Fee Related CN206003916U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620959392.9U CN206003916U (en) 2016-08-29 2016-08-29 A kind of battery management system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620959392.9U CN206003916U (en) 2016-08-29 2016-08-29 A kind of battery management system

Publications (1)

Publication Number Publication Date
CN206003916U true CN206003916U (en) 2017-03-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620959392.9U Expired - Fee Related CN206003916U (en) 2016-08-29 2016-08-29 A kind of battery management system

Country Status (1)

Country Link
CN (1) CN206003916U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106252754A (en) * 2016-08-29 2016-12-21 朱玉俊 A kind of battery management system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106252754A (en) * 2016-08-29 2016-12-21 朱玉俊 A kind of battery management system

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170308

Termination date: 20170829