CN205661321U - Backup battery wraps protection system - Google Patents

Backup battery wraps protection system Download PDF

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Publication number
CN205661321U
CN205661321U CN201620583123.7U CN201620583123U CN205661321U CN 205661321 U CN205661321 U CN 205661321U CN 201620583123 U CN201620583123 U CN 201620583123U CN 205661321 U CN205661321 U CN 205661321U
Authority
CN
China
Prior art keywords
battery bag
voltage
reserve battery
reserve
vehicle
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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
CN201620583123.7U
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Chinese (zh)
Inventor
丁更新
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Anhui Jianghuai Automobile Group Corp
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Priority to CN201620583123.7U priority Critical patent/CN205661321U/en
Application granted granted Critical
Publication of CN205661321U publication Critical patent/CN205661321U/en
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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
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • 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
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/16Information or communication technologies improving the operation of electric vehicles

Abstract

The utility model relates to a reserve technical field of battery, concretely relates to backup battery wraps protection system, this system includes: battery control system and high voltage supply system still include: on -vehicle battery package, backup battery package, control relay, backup battery package with behind the on -vehicle battery package parallel connection through high voltage interface with high voltage supply system connects, battery control system pass through the order wire respectively with the backup battery package on -vehicle battery package is connected, the control relay is normally opened the control end and is connected on the backup battery package high voltage loop circuit, on -vehicle battery package has on -vehicle battery package service switch, on -vehicle battery package service switch still includes low pressure auxiliary switch, the coil of control relay end connect power supply with between on -vehicle battery package service switch's the low pressure auxiliary switch one end, low pressure auxiliary switch other end ground connection. Through the utility model discloses, vehicle battery system security nature has been improved.

Description

A kind of reserve battery bag protection system
Technical field
This utility model relates to battery back up technical field, is specifically related to a kind of reserve battery bag protection system.
Background technology
Electric automobile is as the most popular automotive engineering direction, and the course continuation mileage of electric automobile has become as electricity One of core index of electrical automobile, electric automobile, with low energy consumption advantage, becomes a product more having superiority at present, and The raising of course continuation mileage is the capacity of battery bag of placing one's entire reliance upon.
Along with science and technology enters, people gradually notice the course continuation mileage that reserve battery bag can be used to improve electric automobile, When using reserve battery bag, it is to need the high-pressure insert of on-vehicle battery bag to be pulled up and connect the high-voltage connecting of upper reserve battery bag Mouthful, and this mode of operation additionally increases the operation requirement to car owner.Intelligence, not there is also certain potential safety hazard simultaneously.
Power for car load together with in parallel with reserve battery bag for on-vehicle battery bag it is of course also possible to use, improve electronic vapour The course continuation mileage of car, is that a kind of structure that in prior art, on-vehicle battery bag and reserve battery bag are connected in parallel is shown as shown in Figure 1 Being intended to, in scheme shown in Fig. 1, on-vehicle battery bag and reserve battery bag are connected in parallel, when whole battery pack system is entered by needs The when of row maintenance, if off the service switch of on-vehicle battery bag, and reserve battery bag does not disconnects, whole Vehicular battery system The high tension loop of system still cannot give disconnection, thus brings potential safety hazard to maintainer.
Utility model content
This utility model provides a kind of reserve battery bag protection system, to improve the safety of vehicle battery system.
For achieving the above object, this utility model provides following technical scheme:
A kind of reserve battery bag protection system, including: battery control system and high voltage supply system, also include: vehicle mounted electric Chi Bao, reserve battery bag, control relay;Described reserve battery bag and described on-vehicle battery bag pass through high-voltage connecting after being connected in parallel Mouthful be connected with described high voltage supply system, battery control system pass through order wire respectively with described reserve battery bag, described vehicle-mounted Battery bag connects;Described control relay normally open controls end and is connected in described reserve battery bag high tension loop, is used for controlling standby Break-make with battery bag high tension loop;Described on-vehicle battery bag has on-vehicle battery maintenance packet switch, described on-vehicle battery Bao Wei Repair switch and also include that low pressure auxiliary switch, the coil-end of described control relay are connected to power supply and described on-vehicle battery bag Between low pressure auxiliary switch one end of service switch, low pressure auxiliary switch other end ground connection.
Preferably, described reserve battery bag includes: two or more reserve battery bag monomer voltage acquisition module and standby Battery maintenance packet switchs, and each reserve battery bag monomer voltage acquisition module is connected by order wire.
Preferably, described on-vehicle battery bag also includes: two or more on-vehicle battery bag monomer voltage acquisition module, each car Carry battery bag monomer voltage acquisition module to be connected by order wire.
Preferably, described battery control system includes battery management system mainboard;Described battery management system mainboard passes through Order wire is connected with all reserve battery bag monomer voltage acquisition modules, to obtain each reserve battery bag monomer voltage collection mould The information of block, and control each reserve battery bag monomer voltage acquisition module;Described battery management system mainboard passes through order wire It is connected with all on-vehicle battery bag monomer voltage acquisition modules, to obtain the letter of each on-vehicle battery bag monomer voltage acquisition module Breath, and control each on-vehicle battery bag monomer voltage acquisition module.
Preferably, described high voltage supply system includes: entire car controller, high-voltage load and high-voltage relay;Described height Potential relay is connected with described entire car controller, described high voltage interface and described high-voltage load respectively, described high-voltage relay By described vehicle control unit controls, and to control described reserve battery bag with described on-vehicle battery bag be that described high-voltage load is powered.
Preferably, described high-voltage relay includes: total positive relay, always bear relay and preliminary filling relay.
Preferably, described power supply is 12V.
The beneficial effects of the utility model are:
The reserve battery bag protection system that this utility model provides, on-vehicle battery bag is connected in parallel with reserve battery bag, control The control end of relay processed is connected in reserve battery bag high tension loop, controls the coil-end of relay and described on-vehicle battery bag The low pressure auxiliary switch series connection of service switch is powered by power supply thus is formed low tension loop, by this utility model, disconnects During the service switch of on-vehicle battery bag, the high tension loop of reserve battery bag also will be cut-off, thus improve vehicle battery system Safety.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation that in prior art, on-vehicle battery bag and reserve battery bag are connected in parallel.
Fig. 2 is a kind of structural representation of this utility model embodiment reserve battery bag protection system.
Labelling in accompanying drawing:
ZZ, total positive relay ZF, total negative relay YC, preliminary filling relay B, power supply DTC, monomer voltage collection Module W1, reserve battery maintenance packet switch W2, on-vehicle battery maintenance packet switch K, control relay G, high voltage interface F, low Pressure auxiliary switch R, preliminary filling resistance CZ, on-vehicle battery bag BY, reserve battery bag
Detailed description of the invention
In order to make those skilled in the art can be further understood that feature of the present utility model and technology contents, below in conjunction with This utility model embodiment is elaborated by drawings and embodiments.
If Fig. 2 is a kind of structural representation of this utility model embodiment reserve battery bag protection system, this protection system Including: battery control system and high voltage supply system, also include: on-vehicle battery bag CZ, reserve battery bag BY, control relay K; Described reserve battery bag BY and described on-vehicle battery bag CZ is connected with described high voltage supply system by high voltage interface G after being connected in parallel Connecing, battery control system is connected with described reserve battery bag BY, described on-vehicle battery bag CZ respectively by order wire;Described control Relay K controls end and is connected in described reserve battery bag high tension loop, for controlling the break-make of reserve battery bag high tension loop; Described on-vehicle battery bag CZ has on-vehicle battery maintenance packet switch W2, and described on-vehicle battery maintenance packet switch also includes that low pressure assists Switch F, the coil-end of described control relay is connected to the low pressure auxiliary of power supply B and described on-vehicle battery maintenance packet switch Between switch F one end, low pressure auxiliary switch F other end ground connection.
It should be noted that battery maintenance packet for convenience, battery bag generally individually can be placed a service switch, as In Fig. 2, reserve battery bag has reserve battery maintenance packet switch W1, and on-vehicle battery bag has on-vehicle battery maintenance packet switch W2. Further, reserve battery maintenance packet switch can also include low pressure auxiliary switch F, and certainly, on-vehicle battery maintenance packet switch also may be used With without low pressure auxiliary switch, in embodiment illustrated in fig. 2, reserve battery maintenance packet switchs without low pressure auxiliary switch.
It should be noted that high voltage interface G includes total positive output port and total negative output port, i.e. in Fig. 2 "+" and "-"; Described total positive output port is connected with the positive pole of battery bag (reserve battery bag and on-vehicle battery bag), described total negative output port with The negative pole of battery bag connects.
In this utility model embodiment, reserve battery bag BY and on-vehicle battery bag CZ is in parallel, adds vehicle battery system Energy, and also can in the maintenance process of battery bag, disconnect on-vehicle battery maintenance packet switch W2 time, reserve battery bag High tension loop can also effectively be cut off, it is achieved that the high tension loop of reserve battery bag is by on-vehicle battery maintenance packet on off state Linkage, thus improve the safety of vehicle battery system.
It should be noted that in this utility model embodiment, when selecting reserve battery bag and on-vehicle battery bag, typically select The rated voltage selecting reserve battery bag is identical with the rated voltage of on-vehicle battery bag.Specifically, the rated voltage of reserve battery bag During identical with the rated voltage of on-vehicle battery bag (in parallel) that reserve battery bag can be made with on-vehicle battery to wrap in assembling, no There will be excessive voltage difference, thus avoid the electric spark phenomenon occurred due to the voltage difference existed of assembling process.
Specifically, described reserve battery bag includes: two or more reserve battery bag monomer voltage acquisition module DTC and standby Connected by order wire with battery maintenance packet switch W1, each reserve battery bag monomer voltage acquisition module DTC.
Specifically, described on-vehicle battery bag CZ also includes: two or more on-vehicle battery bag monomer voltage acquisition module, each On-vehicle battery bag monomer voltage acquisition module is connected by order wire.
Certainly, on-vehicle battery bag also includes that two or more set of cells, each set of cells include two or more battery cell, vehicle-mounted Battery bag monomer voltage acquisition module DTC is for gathering the monomer voltage of on-vehicle battery bag battery in battery pack monomer;Standby electricity Pond bag BY also includes that two or more set of cells, each set of cells include that two or more battery cell, reserve battery bag monomer voltage are adopted Collection module DTC is for gathering the monomer voltage of reserve battery bag battery in battery pack monomer.
Specifically, described battery control system includes that battery management system mainboard described in battery management system mainboard is by logical Letter line is connected with all reserve battery bag monomer voltage acquisition modules, to obtain each reserve battery bag monomer voltage acquisition module Information, and control each reserve battery bag monomer voltage acquisition module;Described battery management system mainboard by order wire with All on-vehicle battery bag monomer voltage acquisition modules connect, to obtain the letter of each on-vehicle battery bag monomer voltage acquisition module Breath, and control each on-vehicle battery bag monomer voltage acquisition module.It should be noted that described order wire can be I2C bus.
Specifically, described high voltage supply system includes: entire car controller, high-voltage load and high-voltage relay;Described height Potential relay is connected with described entire car controller, described high voltage interface G and described high-voltage load respectively, described high-voltage relay Device is by described vehicle control unit controls, and to control described reserve battery bag BY and described on-vehicle battery bag CZ be described high-voltage load Power supply.It should be noted that entire car controller is led to battery management system mainboard in described battery control system by CAN Letter.
Further, described high-voltage relay includes: total positive relay ZZ, total negative relay ZF and preliminary filling relay YC; It should be noted that total positive relay ZZ, preliminary filling relay YC positive output port total with high voltage interface respectively is connected, preliminary filling continues Electrical equipment YC is connected with the positive pole of high-voltage load by preliminary filling resistance R;Total negative relay ZF is total negative output port with high voltage interface Connecting, total negative relay ZF is also connected with the negative pole of high-voltage load.
Specifically, power supply B can be 12V.It should be noted that power supply B can be provided by 12V accumulator.
The reserve battery bag protection system that the embodiment of the present invention provides, in parallel with on-vehicle battery bag standby owing to adding Battery bag, thus add the course continuation mileage of electric automobile;And owing to adding control relay, wherein, control relay Control end be connected in reserve battery bag high tension loop, the coil-end and the described on-vehicle battery maintenance packet that control relay switch The series connection of low pressure auxiliary switch powered by power supply thus form low tension loop, thus open in the maintenance disconnecting on-vehicle battery bag Guan Shi, the high tension loop of reserve battery bag also will be cut-off, improve the safety of vehicle battery system.
Being described in detail this utility model embodiment above, detailed description of the invention used herein is to this practicality Novel being set forth, the explanation of above example is only intended to help and understands this utility model;Simultaneously for this area one As technical staff, according to thought of the present utility model, the most all will change, to sum up Described, this utility model content should not be construed as restriction of the present utility model.

Claims (7)

1. a reserve battery bag protection system, including: battery control system and high voltage supply system, it is characterised in that also wrap Include: on-vehicle battery bag, reserve battery bag, control relay;After described reserve battery bag and described on-vehicle battery bag are connected in parallel Be connected with described high voltage supply system by high voltage interface, battery control system by order wire respectively with described reserve battery Bag, described on-vehicle battery bag connect;Described control relay normally open controls end and is connected in described reserve battery bag high tension loop, For controlling the break-make of reserve battery bag high tension loop;Described on-vehicle battery bag has on-vehicle battery maintenance packet switch, described car Carry battery maintenance packet switch and also include that low pressure auxiliary switch, the coil-end of described control relay are connected to power supply with described Between low pressure auxiliary switch one end of on-vehicle battery maintenance packet switch, low pressure auxiliary switch other end ground connection.
Reserve battery bag the most according to claim 1 protection system, it is characterised in that described reserve battery bag includes: two Individual above reserve battery bag monomer voltage acquisition module and reserve battery maintenance packet switch, each reserve battery bag monomer voltage Acquisition module is connected by order wire.
Reserve battery bag the most according to claim 2 protection system, it is characterised in that described on-vehicle battery bag also includes: Two or more on-vehicle battery bag monomer voltage acquisition module, each on-vehicle battery bag monomer voltage acquisition module is by order wire even Connect.
Reserve battery bag the most according to claim 3 protection system, it is characterised in that described battery control system includes electricity Pond management system board;Described battery management system mainboard is by order wire and all reserve battery bag monomer voltage acquisition modules Connect, to obtain the information of each reserve battery bag monomer voltage acquisition module, and control each reserve battery bag monomer voltage Acquisition module;Described battery management system mainboard is connected with all on-vehicle battery bag monomer voltage acquisition modules by order wire, To obtain the information of each on-vehicle battery bag monomer voltage acquisition module, and control each on-vehicle battery bag monomer voltage collection mould Block.
5. protect system according to the reserve battery bag described in any one of claim 1-4, it is characterised in that described high voltage supply system System includes: entire car controller, high-voltage load and high-voltage relay;Described high-voltage relay respectively with described entire car controller, Described high voltage interface and described high-voltage load connect, and described high-voltage relay is by described vehicle control unit controls, and controls institute Stating reserve battery bag with described on-vehicle battery bag is that described high-voltage load is powered.
Reserve battery bag the most according to claim 5 protection system, it is characterised in that described high-voltage relay includes: total Positive relay, always bear relay and preliminary filling relay.
Reserve battery bag the most according to claim 1 protection system, it is characterised in that described power supply is 12V.
CN201620583123.7U 2016-06-13 2016-06-13 Backup battery wraps protection system Expired - Fee Related CN205661321U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620583123.7U CN205661321U (en) 2016-06-13 2016-06-13 Backup battery wraps protection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620583123.7U CN205661321U (en) 2016-06-13 2016-06-13 Backup battery wraps protection system

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CN205661321U true CN205661321U (en) 2016-10-26

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107610980A (en) * 2017-09-20 2018-01-19 威马智慧出行科技(上海)有限公司 Relay and the electrokinetic cell circuit using the relay
CN107745646A (en) * 2017-09-28 2018-03-02 北京新能源汽车股份有限公司 A kind of pure electric automobile, method of work and battery management system
CN108494037A (en) * 2018-03-30 2018-09-04 爱驰汽车有限公司 Battery pack maintenance protection circuit and battery pack
WO2021012219A1 (en) * 2019-07-24 2021-01-28 深圳欣锐科技股份有限公司 Charging and discharging circuit, vehicle-mounted charging and discharging system, and charging and discharging method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107610980A (en) * 2017-09-20 2018-01-19 威马智慧出行科技(上海)有限公司 Relay and the electrokinetic cell circuit using the relay
CN107745646A (en) * 2017-09-28 2018-03-02 北京新能源汽车股份有限公司 A kind of pure electric automobile, method of work and battery management system
CN108494037A (en) * 2018-03-30 2018-09-04 爱驰汽车有限公司 Battery pack maintenance protection circuit and battery pack
CN108494037B (en) * 2018-03-30 2020-09-29 爱驰汽车有限公司 Battery pack maintenance protection circuit and battery pack
WO2021012219A1 (en) * 2019-07-24 2021-01-28 深圳欣锐科技股份有限公司 Charging and discharging circuit, vehicle-mounted charging and discharging system, and charging and discharging method

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669

Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd

Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669

Patentee before: Anhui Jianghuai Automotive Co., Ltd.

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: 20161026

Termination date: 20190613