CN103138353A - Battery management and protection device - Google Patents

Battery management and protection device Download PDF

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Publication number
CN103138353A
CN103138353A CN201310092345XA CN201310092345A CN103138353A CN 103138353 A CN103138353 A CN 103138353A CN 201310092345X A CN201310092345X A CN 201310092345XA CN 201310092345 A CN201310092345 A CN 201310092345A CN 103138353 A CN103138353 A CN 103138353A
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CN
China
Prior art keywords
control assembly
battery management
battery
box body
protective device
Prior art date
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Granted
Application number
CN201310092345XA
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Chinese (zh)
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CN103138353B (en
Inventor
王世强
高立军
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.)
CSI Cells Co Ltd
Canadian Solar Inc
CSI Solar Power Group Co Ltd
Original Assignee
NERNST NEW ENERGY (SUZHOU) CO Ltd
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.)
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Priority to CN201310092345.XA priority Critical patent/CN103138353B/en
Publication of CN103138353A publication Critical patent/CN103138353A/en
Application granted granted Critical
Publication of CN103138353B publication Critical patent/CN103138353B/en
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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

The invention relates to a battery management and protection device. The battery management and protection device comprises a device box body, and a box cover is arranged on the device box body. The battery management and protection device is characterized in that one side of the device box body is provided with a battery adapter terminal, and the battery adapter terminal is connected with an input end of a separation control assembly. Meanwhile a main output end of the separation control assembly is connected with an input end of a battery management and control assembly, and a vice output end of the separation control assembly and an output end of the battery management and control assembly are simultaneously connected with a adapter terminal for loading. Therefore, under a situation that after a battery assembly is stored for a long time and is in a power shortage state, power cannot be supplemented in time, the risk that the battery is permanently damaged caused by battery depth discharging can be greatly reduced. Meanwhile the battery management and protection device is simple in construction, easy to manufacture and suitable for usage of most of the electric appliances.

Description

A kind of battery management protective device
Technical field
The present invention relates to a kind of protective device, relate in particular to a kind of battery management protective device.
Background technology
Energy-storage battery and power battery pack all need to be furnished with corresponding battery management system usually.Battery management system generally has the supervisory function bit of the battery parameters such as electric current and voltage and temperature electric weight, shows the state of battery system by modes such as light-emitting diode, liquid crystal display screens.In the charge and discharge process of battery pack, battery management system provides the functions such as electric current and voltage temperature dump energy of overvoltage protection, overcurrent protection, under-voltage protection, overtemperature protection, demonstration battery, for the normal operation and maintenance of battery, has indispensable effect.If at battery charging process, perhaps battery discharge and under the many state of dump energy, battery is powered to battery management system, can not cause what impact to battery.Yet few at battery dump energy, especially be in under-voltage after, if battery continues to the battery management system power supply, less than replenishing timely electricity, might cause the over-discharge can of battery again, even discharge into 0 volt, make battery be subject to permanent infringement.As seen, in the situation that the few electricity of battery or under-voltage must guarantee the not electric weight of consuming cells of battery management system.
Most battery management system is not considered the power consumption after this under-voltage protection, supposes can in time obtain replenishing electricity, if such battery management system can not obtain replenishing timely electricity, can cause the deep discharge of battery to damage fully.Another kind of way is to power to one group of independent battery of battery management system, although avoided like this after the under-voltage protection power consumption of protected battery has been increased the complexity of cost and system, is irrational for small-sized battery pack.
Summary of the invention
The object of the invention is to overcome the above problem that prior art exists, a kind of battery management protective device is provided.
For realizing purpose of the present invention; a kind of battery management protective device; include the device box body; be provided with lid on described device box body; wherein: a side of described device box body is provided with battery with being connected terminal; described battery is connected with being connected the input that separates control assembly on terminal; the main output of described separation control assembly connects the input of battery management control assembly, and the secondary output of described separation control assembly is connected with load with being connected terminal simultaneously with the output of battery management control assembly.
Further, above-mentioned a kind of battery management protective device, wherein, the main output of described separation control assembly connects the input of battery management control assembly by home court effect control assembly.
Further, above-mentioned a kind of battery management protective device, wherein, the output of described battery management control assembly is provided with secondary field effect control assembly with load with being connected between terminal.
Further, above-mentioned a kind of battery management protective device wherein, is provided with the separate frame that holds in described device box body, and described separation control assembly, battery management control assembly all are arranged on and hold in frame.
Further, above-mentioned a kind of battery management protective device, wherein, the described frame that holds is provided with trough.
Further, above-mentioned a kind of battery management protective device, wherein, described home court effect control assembly and secondary field effect control assembly are field effect transistor.
Further, above-mentioned a kind of battery management protective device wherein, is provided with reinforcement in described device box body.
Again further, above-mentioned a kind of battery management protective device wherein, is provided with sealing ring between described device box body and lid.
Adopt technical solution of the present invention, in the situation that can not in time replenish electricity after battery component long term storage and short of electricity, can greatly reduce the risk that the overdischarge of the battery degree of depth causes permanent damages.Simultaneously, simple structure of the present invention is easy to make, and can adapt to most electricity consumption device and use.
Purpose of the present invention, advantage and disadvantage will be for illustration and explanation by the non-limitative illustration of following preferential embodiment, and these embodiment only provide as an example with reference to accompanying drawing.
Description of drawings
Fig. 1 is the use organigram of this battery management protective device.
In figure, the implication of each Reference numeral is as follows:
1 device box body 2 batteries are with being connected terminal
3 separate control assembly 4 battery management control groups
Part
5 loads are with being connected terminal 6 home court effect control groups
Part
7 secondary field effect control assemblys 8 hold frame
9 reinforcement 10 battery components
Embodiment
A kind of battery management protective device as shown in Figure 1; include device box body 1; be provided with lid on device box body 1; its special feature is: a side of device box body 1 of the present invention is provided with battery with being connected terminal 2, and this battery is connected with being connected the input that separates control assembly 3 on terminal 2.Simultaneously, the input that separates the main output connection battery management control assembly 4 of control assembly 3.And, consider the stability of overall work, the secondary output that separates control assembly 3 is connected with load with being connected terminal 5 simultaneously with the output of battery management control assembly 4.Generally, the power consumption of battery management control assembly 4 is at milliampere, and the power consumption of separation control assembly 3 is low to microampere.
In conjunction with the better execution mode of the present invention one, the main output that separates control assembly 3 connects the input of battery management control assembly 4 by home court effect control assembly 6.And the output of battery management control assembly 4 is provided with secondary field effect control assembly 7 with load with being connected between terminal 5, improve follow-up control ability.
Further, consider that vibrations or carrying can appear in some electricity consumption assembly, device is provided with the separate frame 8 that holds in box body 1, separates control assembly 3, battery management control assembly 4 all is arranged on and holds in frame 8.Like this, can carry out a suitable location, can not cause the assembly of the inside unnecessary becoming flexible to occur because of applied external force.And, consider the facility of wiring, prevent the processing that wire is wound around affects assembly, avoid simultaneously unnecessary electromagnetic interference occurring, hold frame 8 and be provided with trough.
Simultaneously, consider the facility of manufacturing, home court effect control assembly 6 is field effect transistor with secondary field effect control assembly 7.And, in order to improve the firm degree of integral body of the present invention, be provided with reinforcement 9 in device box body 1.Certainly, in order to promote whole sealing, prevent entering of extraneous dust and steam, affect the work of assembly, be provided with sealing ring between device box body 1 and lid.
From implementation process of the present invention, can constantly monitor the parameter such as voltage, electric current, temperature of battery, stop discharging and recharging of battery when excess Temperature, stop corresponding current channel when electric current is excessive, stop charge tunnel when overtension, stop discharge channel when undertension.When cell voltage difference is excessive, give each batteries balance.
Specifically, after the under-voltage protection voltage that the voltage of battery component 10 is set lower than battery management control assembly 4, battery management control assembly 4 is converted to off state with secondary field effect control assembly 7 from opening state, and load component is separated with battery.And after the under-voltage protection voltage that the voltage of battery component 10 is set lower than separation control assembly 3, separate control assembly 3 home court effect control assembly 6 is transformed into off state from conducting state, thereby battery is separated with battery management control assembly 4.After this outside power consumption of battery component 10 is only for separating control assembly 3.
Also can find out by reference to the accompanying drawings by above-mentioned character express, after adopting the present invention, in the situation that can not in time replenish electricity after battery component long term storage and short of electricity, can greatly reduce the risk that the overdischarge of the battery degree of depth causes permanent damages.Simultaneously, simple structure of the present invention is easy to make, and can adapt to most electricity consumption device and use.
Certainly, above is only concrete exemplary applications of the present invention, and protection scope of the present invention is not constituted any limitation.In addition to the implementation, the present invention can also have other execution mode.All employings are equal to the technical scheme of replacement or equivalent transformation formation, within all dropping on the present invention's scope required for protection.

Claims (8)

1. battery management protective device; include the device box body; be provided with lid on described device box body; it is characterized in that: a side of described device box body is provided with battery with being connected terminal; described battery is connected with being connected the input that separates control assembly on terminal; the main output of described separation control assembly connects the input of battery management control assembly, and the secondary output of described separation control assembly is connected with load with being connected terminal simultaneously with the output of battery management control assembly.
2. a kind of battery management protective device according to claim 1 is characterized in that: the main output of described separation control assembly connects the input of battery management control assembly by home court effect control assembly.
3. a kind of battery management protective device according to claim 1, it is characterized in that: the output of described battery management control assembly is provided with secondary field effect control assembly with load with being connected between terminal.
4. a kind of battery management protective device according to claim 1, it is characterized in that: be provided with the separate frame that holds in described device box body, described separation control assembly, battery management control assembly all are arranged on and hold in frame.
5. a kind of battery management protective device according to claim 4, it is characterized in that: the described frame that holds is provided with trough.
6. a kind of battery management protective device according to claim 1, it is characterized in that: described home court effect control assembly and secondary field effect control assembly are field effect transistor.
7. a kind of battery management protective device according to claim 1, is characterized in that: be provided with reinforcement in described device box body.
8. a kind of battery management protective device according to claim 1, is characterized in that: be provided with sealing ring between described device box body and lid.
CN201310092345.XA 2013-03-22 2013-03-22 A kind of battery management protective device Active CN103138353B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310092345.XA CN103138353B (en) 2013-03-22 2013-03-22 A kind of battery management protective device

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Application Number Priority Date Filing Date Title
CN201310092345.XA CN103138353B (en) 2013-03-22 2013-03-22 A kind of battery management protective device

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CN103138353A true CN103138353A (en) 2013-06-05
CN103138353B CN103138353B (en) 2015-09-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108370001A (en) * 2015-12-16 2018-08-03 艾利电力能源有限公司 Electrical storage device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120229077A1 (en) * 2011-03-07 2012-09-13 Denso Corporation Electric power supply system and method for controlling electric power discharge
CN202585666U (en) * 2012-05-03 2012-12-05 上海中科力帆电动汽车有限公司 Vehicle-mounted energy storage device of electric vehicle
CN102969783A (en) * 2012-11-07 2013-03-13 北京交通大学 Direct current uninterruptible power supply

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120229077A1 (en) * 2011-03-07 2012-09-13 Denso Corporation Electric power supply system and method for controlling electric power discharge
CN202585666U (en) * 2012-05-03 2012-12-05 上海中科力帆电动汽车有限公司 Vehicle-mounted energy storage device of electric vehicle
CN102969783A (en) * 2012-11-07 2013-03-13 北京交通大学 Direct current uninterruptible power supply

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108370001A (en) * 2015-12-16 2018-08-03 艾利电力能源有限公司 Electrical storage device
CN108370001B (en) * 2015-12-16 2021-06-29 艾利电力能源有限公司 Battery with a battery cell

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
ASS Succession or assignment of patent right

Owner name: SUZHOU CANADIAN SOLAR INC.

Effective date: 20141104

Owner name: CANADIAN (CHINA) INVESTMENT CO., LTD.

Free format text: FORMER OWNER: NERNST NEW ENERGY (SUZHOU) CO., LTD.

Effective date: 20141104

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 215129 SUZHOU, JIANGSU PROVINCE TO: 215011 SUZHOU, JIANGSU PROVINCE

TA01 Transfer of patent application right

Effective date of registration: 20141104

Address after: 215011 199 deer Road, hi tech Development Zone, Jiangsu, Suzhou

Applicant after: CSI SOLAR POWER (CHINA) Inc.

Applicant after: CSI CELLS Co.,Ltd.

Address before: 215129, No. 30, environmental protection industrial park, 369 deer Road, hi tech Zone, Jiangsu, Suzhou

Applicant before: NERNST NEW ENERGY (SUZHOU) Co.,Ltd.

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

Address after: 215011 No. 199 Lushan Road, Suzhou High-tech Zone, Jiangsu Province

Patentee after: CSI SOLAR POWER GROUP Co.,Ltd.

Patentee after: CSI Cells Co.,Ltd.

Address before: 215011 No. 199 Lushan Road, Suzhou High-tech Zone, Jiangsu Province

Patentee before: CSI SOLAR POWER (CHINA) Inc.

Patentee before: CSI Cells Co.,Ltd.

Address after: 215011 No. 199 Lushan Road, Suzhou High-tech Zone, Jiangsu Province

Patentee after: Atlas sunshine Power Group Co.,Ltd.

Patentee after: CSI Cells Co.,Ltd.

Address before: 215011 No. 199 Lushan Road, Suzhou High-tech Zone, Jiangsu Province

Patentee before: CSI SOLAR POWER GROUP Co.,Ltd.

Patentee before: CSI Cells Co.,Ltd.

CP01 Change in the name or title of a patent holder