CN206060236U - A kind of upper and lower electric control of battery bag, precharge and detection circuit - Google Patents

A kind of upper and lower electric control of battery bag, precharge and detection circuit Download PDF

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Publication number
CN206060236U
CN206060236U CN201620213835.XU CN201620213835U CN206060236U CN 206060236 U CN206060236 U CN 206060236U CN 201620213835 U CN201620213835 U CN 201620213835U CN 206060236 U CN206060236 U CN 206060236U
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CN
China
Prior art keywords
relay
precharge
battery bag
unit
total
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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
CN201620213835.XU
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Chinese (zh)
Inventor
詹天佑
范方明
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.)
Luo Fengyong
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Wuhan Shangxin Dingzhong New Energy Co Ltd
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Priority to CN201620213835.XU priority Critical patent/CN206060236U/en
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Publication of CN206060236U publication Critical patent/CN206060236U/en
Expired - Fee Related legal-status Critical Current
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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

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Abstract

The utility model discloses a kind of upper and lower electric control of battery bag, precharge and detection circuit, including:Major loop relay, precharge unit, current detecting unit;The major loop relay is by total positive relay with total negative relay group into battery bag, precharge unit, current detecting unit, total negative relay are sequentially connected one loop of composition and total positive relay and precharge unit are connected in parallel and form one and control preliminary filling and measure loop;It is provided with above-mentioned control preliminary filling and measure loop for being connected the total positive contact in the outside for coordinating and outside always negative contact with external loading.The circuit that this utility model is provided, ensure that battery bag normally controls energy output and in case of emergency cuts off external output, current detecting unit can be monitored to the service condition of battery bag simultaneously, so as to ensure preferably to use battery bag and maintenance.

Description

A kind of upper and lower electric control of battery bag, precharge and detection circuit
Technical field
This utility model is related to the circuit in electric automobile, the upper and lower electric control of more particularly to a kind of battery bag, precharge and Detection circuit.
Background technology
In recent years, as the scarcity of petroleum resources, environmental pollution increase, new forms of energy are increasingly subject to people's attention. New-energy electric vehicle, electric energy storing system wherein most by people's attention etc. have obtained rapid development.Electric energy storing system Core with new-energy automobile is electrokinetic cell bag, and the nerve of battery bag is battery management system.The security performance of battery bag is Most receive of concern, the upper and lower electric control unit of battery bag is requisite with pre-charge system.Conventional batteries bag circuit is only Battery bag can be controlled enter line precharge to outside capacitive load and can not detect to detect battery bag output current.
The information for being disclosed in the background section is merely intended to increase the understanding to general background of the present utility model, and It is not construed as recognizing or implying in any form that the information structure is existing well known to persons skilled in the art Technology.
The content of the invention
The purpose of this utility model is to provide a kind of upper and lower electric control of battery bag, precharge and detection circuit, Neng Goubao Card battery bag normally controls energy output and in case of emergency cuts off external output, while current detecting unit can be right The service condition of battery bag is monitored.
For achieving the above object, this utility model provides a kind of upper and lower electric control of battery bag, precharge and detection circuit, Including:Major loop relay, precharge unit, current detecting unit;The major loop relay is by total positive relay and always bears Relay group into, battery bag, precharge unit, current detecting unit, always negative relay be sequentially connected one loop of composition and Total positive relay is connected in parallel with precharge unit and forms a control preliminary filling and measure loop;In above-mentioned control Preliminary filling and measure loop are provided with for being connected the total positive contact in the outside for coordinating and outside always negative contact with external loading, wherein, The total positive contact in the outside is located at described positioned at the total negative contact between the current detecting unit and precharge unit and outside It is total to bear between relay and current detecting unit.
In above-mentioned technical proposal preferably, the precharge unit by the pre-charge resistance, precharge being connected in series after Electrical equipment is constituted.
In above-mentioned technical proposal preferably, the current detecting unit is current sensor.
In above-mentioned technical proposal preferably, the measurement range of the current sensor is ± 350A;The precharge electricity Resistance specification is rated power 100W, 150 Ω of resistance;The pre-charge-relay specification is rated direct voltage 450V, electric current 20A;The specification of total positive relay and total negative relay is rated direct voltage 450V, electric current 300A.
When battery bag management system receives car load ON shelves signals, always negative relay and pre-charge-relay are closed first, together When current sensor detection battery bag outside it is total just and it is outside it is total it is negative between voltage, sentence when voltage reaches system voltage 95% Determine system precharge to complete, precharge setting time is 3S, is not up to 95% decision-making system of system voltage more than stagnation pressure outside 3S Precharge failure, total positive relay disconnect circuit, and battery bag can not be to external loading output current;External voltage is within 3S The 95% judgement precharge for reaching system voltage is completed, and total positive relay makes circuit communication, and battery bag is to external loading output electricity Stream, while detecting battery bag output current by current sensor, preferably carries out monitor in real time to battery bag energy.
Compared with prior art, this utility model has the advantages that:
A kind of upper and lower electric control of battery bag, precharge and detection circuit that this utility model is provided, ensure that battery bag Normal control energy is exported and in case of emergency cuts off external output, while current detecting unit can be to battery bag Service condition carries out monitor in real time, so as to ensure preferably to use battery bag and maintenance.
Description of the drawings
Fig. 1 is the schematic diagram according to a kind of upper and lower electric control of battery bag of this utility model, precharge and detection circuit.
Main Reference Numerals explanation:
1- battery bags, 2- pre-charge-relays, the total positive relays of 3-, 4- pre-charge resistances, 5- current sensors, 6- are always born Relay;Always bear inside A-, always bear outside B-, outside C- always just, inside D- always just.
Specific embodiment
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described in detail, it is to be understood that this practicality New protection domain is not limited by specific embodiment.
Explicitly indicate that unless otherwise other, otherwise in entire disclosure and claims, term " including " or its change Change such as "comprising" or " including " etc. and will be understood to comprise stated element or ingredient, and do not exclude other units Part or other ingredients.
As shown in figure 1, a kind of upper and lower electric control of battery bag, precharge and inspection according to this utility model preferred implementation The schematic diagram of slowdown monitoring circuit.As shown in figure 1, a kind of upper and lower electric control of battery bag, precharge and detection circuit, including:Major loop after Electrical equipment, precharge unit, current detecting unit;Major loop relay is by total positive relay 3 and always negative relay 6 is constituted, battery Bag 1, precharge unit, current detecting unit, always negative relay 6 be sequentially connected one loop of composition and total positive relay 3 with Precharge unit is connected in parallel and forms a control preliminary filling and measure loop;Precharge unit is by the precharge electricity being connected in series Resistance 4, pre-charge-relay 2 is constituted;It is provided with above-mentioned control preliminary filling and measure loop for being connected cooperation with external loading The total positive C contacts in outside and outside always negative B contacts, wherein, outside total positive C contacts are located at current detecting unit and precharge unit Between and outside always negative B contacts be located at it is total negative between relay 6 and current detecting unit.In total negative relay 6 and battery bag 1 Between be provided with internal always negative A contacts, internal total just D be just provided between relay 3 or precharge unit and battery bag 1 connect total Point.Current detecting unit can be current sensor 5, such as Hall current sensor.
In above-mentioned technical proposal, the measurement range of current sensor 5 is ± 350A;4 specification of pre-charge resistance is rated power 100W, 150 Ω of resistance;2 specification of pre-charge-relay is rated direct voltage 450V, electric current 20A;Total positive relay 3 is negative with total The specification of relay 6 is rated direct voltage 450V, electric current 300A.
When 1 management system of battery bag receives car load ON shelves signals, always negative relay 6 and pre-charge-relay 2 are closed first, Voltage outside the battery bag 1 of the detection of current sensor 5 simultaneously between total positive C and outside total negative B, when voltage reaches system voltage Decision-making system precharge when 95% is completed, and precharge setting time is 3S, is not up to system voltage 95% more than stagnation pressure outside 3S Decision-making system precharge failure, total positive relay 3 disconnect circuit, and battery bag 1 can not be to external loading output current;External electrical It is pressed within 3S and reaches 95% judgement precharge of system voltage and complete, total positive relay 3 makes circuit communication, and battery bag 1 is external Section load output current, while detecting 1 output current of battery bag by current sensor 5, is preferably carried out to 1 energy of battery bag Monitor in real time so as to ensure preferably use battery bag 1 and maintenance.
The aforementioned description to specific illustrative embodiment of the present utility model be in order to illustrate and illustration purpose.These Description is not wishing to for this utility model to be defined to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can carry out It is many to change and change.The purpose of selecting and describing the exemplary embodiment is that explaining certain principles of the present utility model And its practical application, so that those skilled in the art can realize and using a variety of examples of the present utility model Property embodiment and a variety of selections and change.Scope of the present utility model is intended to by claims and its waits similar shape Formula is limited.

Claims (3)

1. a kind of upper and lower electric control of battery bag, precharge and detection circuit, including:Major loop relay, precharge unit, electric current Detector unit;It is characterized in that:
The major loop relay is by total positive relay with total negative relay group into battery bag, precharge unit, current detecting list First, total negative relay is sequentially connected one loop of composition and total positive relay and precharge unit are connected in parallel and are formed One control preliminary filling and measure loop;It is provided with above-mentioned control preliminary filling and measure loop for being connected cooperation with external loading The total positive contact in outside and outside always negative contact, wherein, the total positive contact in the outside is located at the current detecting unit and preliminary filling Always negative contact is located at described always bearing between relay and current detecting unit between electric unit and outside.
2. the upper and lower electric control of battery bag according to claim 1, precharge and detection circuit, the upper and lower electric control of battery bag, Precharge and detection circuit, it is characterised in that the precharge unit is by the pre-charge resistance, pre-charge-relay being connected in series Composition.
3. the upper and lower electric control of battery bag according to claim 2, precharge and detection circuit, it is characterised in that the electricity Stream detector unit is current sensor.
CN201620213835.XU 2016-03-21 2016-03-21 A kind of upper and lower electric control of battery bag, precharge and detection circuit Expired - Fee Related CN206060236U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620213835.XU CN206060236U (en) 2016-03-21 2016-03-21 A kind of upper and lower electric control of battery bag, precharge and detection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620213835.XU CN206060236U (en) 2016-03-21 2016-03-21 A kind of upper and lower electric control of battery bag, precharge and detection circuit

Publications (1)

Publication Number Publication Date
CN206060236U true CN206060236U (en) 2017-03-29

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112510652A (en) * 2020-07-31 2021-03-16 佛山市顺德区冠宇达电源有限公司 Battery charging circuit, charging device and electronic device
CN113937408A (en) * 2020-06-30 2022-01-14 蓝谷智慧(北京)能源科技有限公司 Energy storage device, energy storage control method and device applying energy storage device and equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113937408A (en) * 2020-06-30 2022-01-14 蓝谷智慧(北京)能源科技有限公司 Energy storage device, energy storage control method and device applying energy storage device and equipment
CN112510652A (en) * 2020-07-31 2021-03-16 佛山市顺德区冠宇达电源有限公司 Battery charging circuit, charging device and electronic device
CN112510652B (en) * 2020-07-31 2023-02-03 佛山市顺德区冠宇达电源有限公司 Battery charging circuit, charging device and electronic device

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GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20210129

Address after: 510800 room 2601, building 5, No.3, Lihong South Road, Huadu District, Guangzhou City, Guangdong Province

Patentee after: Luo Fengyong

Address before: 430000 Honggang village, Yangluo Economic Development Zone, Xinzhou District, Wuhan City, Hubei Province

Patentee before: WUHAN SHANXIN DINGZHONG NEW ENERGY Co.,Ltd.

TR01 Transfer of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170329

Termination date: 20210321

CF01 Termination of patent right due to non-payment of annual fee