CN108365158A - Battery pack - Google Patents

Battery pack Download PDF

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Publication number
CN108365158A
CN108365158A CN201810073438.0A CN201810073438A CN108365158A CN 108365158 A CN108365158 A CN 108365158A CN 201810073438 A CN201810073438 A CN 201810073438A CN 108365158 A CN108365158 A CN 108365158A
Authority
CN
China
Prior art keywords
fuse
battery pack
status information
module
battery
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.)
Pending
Application number
CN201810073438.0A
Other languages
Chinese (zh)
Inventor
范华明
李晓哲
罗远江
钱龙
孟江波
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.)
Jiangsu Silver Base Ene Carbon Energy Technology Co Ltd
Original Assignee
Jiangsu Silver Base Ene Carbon Energy Technology 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.)
Filing date
Publication date
Application filed by Jiangsu Silver Base Ene Carbon Energy Technology Co Ltd filed Critical Jiangsu Silver Base Ene Carbon Energy Technology Co Ltd
Priority to CN201810073438.0A priority Critical patent/CN108365158A/en
Publication of CN108365158A publication Critical patent/CN108365158A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4207Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M10/4257Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/482Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/488Cells or batteries combined with indicating means for external visualization of the condition, e.g. by change of colour or of light density
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/572Means for preventing undesired use or discharge
    • H01M50/584Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/59Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
    • H01M50/597Protection against reversal of polarity
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4271Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00Safety devices for primary or secondary batteries
    • H01M2200/30Preventing polarity reversal
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00Batteries for particular applications
    • H01M2220/20Batteries in motive systems, e.g. vehicle, ship, plane
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

The present invention provides a kind of battery pack, includes battery pack for providing electric energy and the battery management system for being connected with the battery pack and being used to be managed the battery pack;The battery pack includes fuse;The battery management system includes detection module, judgment module and reminding module;The detection module is used to detect the status information of the fuse;The judgment module sends out standby signal for judging whether the status information is abnormal when the status information exception;The reminding module is used to send out prompt message according to the standby signal.Battery pack provided by the invention can be measured in real time the status information of fuse, and send out prompt message when the status information exception of fuse to remind maintenance personnel to be replaced in time to fuse.

Description

Battery pack
【Technical field】
The present invention relates to battery technology field more particularly to a kind of battery packs.
【Background technology】
Currently, battery pack generally includes the battery pack for providing electric energy and the battery for being managed to battery pack Management system.Wherein, battery pack is made of several single battery connection in series-parallel.Further, right because of accidental short circuit in order to prevent Battery pack causes to damage, it is also necessary to fuse is installed in battery pack.For example, fuse can be installed on concatenated multiple monomers In battery.However, existing battery pack fuse, does not carry out abnormality detection fuse, and then fusing can not be predicted in advance The damage time of device, when fuse fuses or damages suddenly, battery pack can stop exporting electric energy suddenly, and then cause other Accident.
In consideration of it, it is really necessary to provide a kind of new battery pack to overcome drawbacks described above.
【Invention content】
The object of the present invention is to provide a kind of battery packs, can be measured in real time to the status information of fuse, and work as Prompt message is sent out to remind maintenance personnel to be replaced in time to fuse when the status information exception of fuse.
To achieve the goals above, the present invention provides a kind of battery pack, include battery pack for providing electric energy and with The battery management system that the battery pack is connected and is used to be managed the battery pack;The battery pack includes fuse; The battery management system includes detection module, judgment module and reminding module;The detection module is described molten for detecting The status information of disconnected device;The judgment module is for judging whether the status information is abnormal, and it is abnormal to work as the status information When send out standby signal;The reminding module is used to send out prompt message according to the standby signal.
Further, the status information include the voltage at the fuse both ends, flow through the electric current of the fuse with And the operating temperature of the fuse.
Further, the judgment module is used for the voltage according to the fuse both ends and flows through the electricity of the fuse Flowmeter calculates the internal resistance of the fuse, and when the internal resistance of the fuse and operating temperature are more than identical in Health database make With corresponding to the time internal resistance and when operating temperature, send out standby signal.
Compared with the prior art, battery pack provided by the invention, the battery management system can monitor fuse in real time Status information, grasp the variation tendency of fuse performance, and when the status information exception of the fuse, send prompt letter Breath in time replaces fuse with prompting maintenance personnel, so can look-ahead risk, control risk, improve electricity While the packet reliability of pond, the generation of the other accidents because of caused by the fusing of fuse is avoided.
【Description of the drawings】
Fig. 1 is the block diagram for the battery pack that present pre-ferred embodiments provide.
【Specific implementation mode】
It is clear in order to make the purpose of the present invention, technical solution and advantageous effects be more clear, below in conjunction with this hair Attached drawing in bright embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described Embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field The every other embodiment that those of ordinary skill is obtained without making creative work, belongs to protection of the present invention Range.
When an element was considered with another element " being connected ", it can be directly to another element or It may be simultaneously present centering elements.Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to this hair The normally understood meaning of bright those skilled in the art is identical.Term used in the description of the invention herein It is only for the purpose of describing specific embodiments and is not intended to limit the present invention.
Referring to Fig. 1, the block diagram of its battery pack 100 provided for present pre-ferred embodiments.The battery pack 100 include battery pack 10 for providing electric energy and are connected with the battery pack 10 and for carrying out pipe to the battery pack 10 The battery management system 20 of reason.It is appreciated that the battery pack 100 can be applied in electric vehicle, in energy-storage system, it is mobile It mends in electric car or other needs to be provided with battery pack 100 in the equipment of electric energy storage.
Further, the battery pack 10 includes fuse 11.It is appreciated that the battery pack 10 includes several monomers electricity Pond (not shown), and be made of several single battery connection in series-parallel.The fuse 11 is installed in concatenated multiple single batteries, To prevent from causing to damage to battery pack 10 because of accidental short circuit.It should be noted that the number for the fuse that battery pack 10 includes Amount can be set according to specific design requirement.
The battery management system 20 is used to detect the status information of the fuse 11, and when the shape of the fuse 11 When state Information abnormity, prompt message number is sent out to remind maintenance personnel to replace fuse 11, and then can be avoided because molten Other accidents occur disconnected device 11 caused by fusing suddenly.
Specifically, the battery management system 20 includes detection module 21, judgment module 22 and reminding module 23.It can be with Understanding, above-mentioned each function module can in the form of software store in memory (not shown), and be executed by processor (not shown), Can also be the hardware with specific function, for example, burning has the chip of specific program.
The detection module 21 is used to detect the status information of the fuse 11.In the present embodiment, the state Information includes the voltage at 11 both ends of the fuse, flows through the electric current of the fuse 11 and the work temperature of the fuse 11 Degree.
The judgment module 22 is sent out for judging whether the status information is abnormal when the status information exception Standby signal.Specifically, the judgment module 22 is used for the voltage according to 11 both ends of the fuse and flows through the fuse 11 galvanometer calculates the internal resistance of the fuse 11, makes when the internal resistance of fuse 11 and operating temperature are more than in Health database With corresponding to same time internal resistance and when operating temperature, judge that the status information of fuse 11 is abnormal, and send out standby signal.
It is appreciated that with the increase of use time, fuse 11 can aging, and can be molten by detecting the case where aging The temperature when internal resistance (terminal voltage/electric current) and work of disconnected device 11 rises to judge, internal resistance is bigger, Wen Shengyue high, and healthy coefficient is got over It is low.Specifically, internal resistance and operating temperature Health database (data corresponding with usage time of fuse 11 can be established Library can be obtained by experiment and be stored in judgment module 22).Detection module 21 detects the practical internal resistance (electricity of fuse 11 in real time Pressure/electric current) and real-time working temperature and the internal resistance corresponding to identical usage time and operating temperature pair with Health database Than if the real-time internal resistance that is detected of currently used time and real-time working temperature are more than the identical use in Health database Between the corresponding internal resistance and when operating temperature, then show the abnormal state of fuse 11, also that is, in same usage time Interior, the aging speed of fuse 11 is very fast, and therefore, it is necessary to be replaced in time.
The reminding module 23 is used to send out prompt message according to the standby signal to remind maintenance personnel's fuse 11 Status information it is abnormal so that maintenance personnel can replace it before fuse 11 fuses, improve battery height 100 reliability.
It is appreciated that the reminding module 23 can be light emitting diode, the state of fuse 11 is prompted by shining Information abnormity can also be the device that buzzer etc. can make a sound, the status information of fuse 11 prompted by sounding It is abnormal, maintenance personnel's fuse 11 can also be reminded abnormal in such a way that other are with suggesting effect certainly, for example, prompt Module 23 can send a message on the mobile phone of maintenance personnel and be reminded in a manner of word.
Battery pack 100 provided by the present invention, the battery management system 20 can monitor the state of fuse 11 in real time Information, grasps the variation tendency of 11 performance of fuse, so can look-ahead risk, control risk, improve battery pack 100 While reliability, the generation of the other accidents because caused by fusing fuse 11 is avoided.For example, if electric vehicle is in high speed In driving process, fuse 11 fuses suddenly, although can ensure the safety of battery pack 10, will lead to the output power of vehicle Moment stops, and the accidents such as will lead to vehicle rollover or knock into the back.
The present invention is not only in the description and the implementation described, therefore for the personnel of familiar field Other advantage and modification is easily implemented, therefore in the essence without departing substantially from universal defined by claim and equivalency range In the case of refreshing and range, the present invention is not limited to specific details, representative equipment and diagrams shown and described herein Example.

Claims (3)

1. a kind of battery pack, includes battery pack for providing electric energy and be connected with the battery pack and be used for the battery The battery management system that group is managed;It is characterized in that, the battery pack includes fuse;The battery management system includes Detection module, judgment module and reminding module;The detection module is used to detect the status information of the fuse;It is described to sentence Disconnected module sends out standby signal for judging whether the status information is abnormal when the status information exception;It is described to carry Show module for sending out prompt message according to the standby signal.
2. battery pack as described in claim 1, it is characterised in that:The status information includes the electricity at the fuse both ends Press, flow through the electric current of the fuse and the operating temperature of the fuse.
3. battery pack as claimed in claim 2, it is characterised in that:The judgment module is used for according to the fuse both ends Voltage and the galvanometer for flowing through the fuse calculate the internal resistance of the fuse, and when the internal resistance of the fuse and work temperature When degree is more than internal resistance and operating temperature in Health database corresponding to identical usage time, the state letter of the fuse is judged Breath is abnormal, sends out standby signal.
CN201810073438.0A 2018-01-25 2018-01-25 Battery pack Pending CN108365158A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810073438.0A CN108365158A (en) 2018-01-25 2018-01-25 Battery pack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810073438.0A CN108365158A (en) 2018-01-25 2018-01-25 Battery pack

Publications (1)

Publication Number Publication Date
CN108365158A true CN108365158A (en) 2018-08-03

Family

ID=63006952

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810073438.0A Pending CN108365158A (en) 2018-01-25 2018-01-25 Battery pack

Country Status (1)

Country Link
CN (1) CN108365158A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112874327A (en) * 2021-01-11 2021-06-01 广州橙行智动汽车科技有限公司 Vehicle charging circuit, vehicle charging method, vehicle charging device, and storage medium
CN115439951A (en) * 2022-03-07 2022-12-06 北京车和家汽车科技有限公司 Abnormal fusing processing method and device, electronic equipment and medium

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090273314A1 (en) * 2008-05-02 2009-11-05 Sony Corporation Battery pack and control method
CN102288908A (en) * 2011-07-22 2011-12-21 重庆大学 Fault monitoring device and fault judgment method for measurement potential transformer (PT) fuse
CN102795118A (en) * 2012-09-12 2012-11-28 北京普莱德新能源电池科技有限公司 Power battery system for electric vehicle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090273314A1 (en) * 2008-05-02 2009-11-05 Sony Corporation Battery pack and control method
CN102288908A (en) * 2011-07-22 2011-12-21 重庆大学 Fault monitoring device and fault judgment method for measurement potential transformer (PT) fuse
CN102795118A (en) * 2012-09-12 2012-11-28 北京普莱德新能源电池科技有限公司 Power battery system for electric vehicle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112874327A (en) * 2021-01-11 2021-06-01 广州橙行智动汽车科技有限公司 Vehicle charging circuit, vehicle charging method, vehicle charging device, and storage medium
CN115439951A (en) * 2022-03-07 2022-12-06 北京车和家汽车科技有限公司 Abnormal fusing processing method and device, electronic equipment and medium
CN115439951B (en) * 2022-03-07 2024-05-17 北京车和家汽车科技有限公司 Abnormal fusing processing method and device, electronic equipment and medium

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Application publication date: 20180803