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 PDFInfo
- 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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- Prior art keywords
- relay
- precharge
- battery bag
- unit
- total
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy 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
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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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 |
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CN206060236U true CN206060236U (en) | 2017-03-29 |
Family
ID=58371478
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201620213835.XU Expired - Fee Related CN206060236U (en) | 2016-03-21 | 2016-03-21 | A kind of upper and lower electric control of battery bag, precharge and detection circuit |
Country Status (1)
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CN (1) | CN206060236U (en) |
Cited By (2)
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 |
-
2016
- 2016-03-21 CN CN201620213835.XU patent/CN206060236U/en not_active Expired - Fee Related
Cited By (3)
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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Date | Code | Title | Description |
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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. |
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TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20210321 |
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CF01 | Termination of patent right due to non-payment of annual fee |