CN108963119A - A kind of battery pack - Google Patents
A kind of battery pack Download PDFInfo
- Publication number
- CN108963119A CN108963119A CN201810829648.8A CN201810829648A CN108963119A CN 108963119 A CN108963119 A CN 108963119A CN 201810829648 A CN201810829648 A CN 201810829648A CN 108963119 A CN108963119 A CN 108963119A
- Authority
- CN
- China
- Prior art keywords
- fuse
- switch pipe
- cell switch
- voltameter
- battery core
- 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.)
- Granted
Links
- 230000005611 electricity Effects 0.000 claims abstract description 9
- 230000005669 field effect Effects 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The embodiment of the present application discloses a kind of battery pack, and battery pack includes charge-discharge circuit and cell switch pipe control circuit；Wherein, charge-discharge circuit includes battery core and cell switch pipe, and cell switch pipe control circuit includes battery core, cell switch pipe, voltameter, field-effect tube mos and fuse；In charge-discharge circuit, battery core is connect with cell switch pipe；Battery core is used for storing electricity, and cell switch pipe is powered and powers off for controlling charge-discharge circuit；In cell switch pipe control circuit, battery core is connect with voltameter；Voltameter is used to detect the running parameter of battery core；Voltameter is connect by mos with fuse；Voltameter is used to generate electric current according to the operating parameter control mos of battery core, so that blown fuse；Fuse is connect with cell switch pipe, and when fuse is in blown state, cell switch pipe is in locking states.Therefore fuse at low cost can be used in the fuse in battery pack, greatly reduces the manufacturing cost of battery pack.
Description
Technical field
This application involves field of battery management, more particularly to a kind of battery pack.
Background technique
In general, to carry battery capacity inadequate for electronic product, the bigger external connection battery of capacity need to be worn, the external connection battery is also
It is battery pack.
In the prior art, it to guarantee that battery pack is safe and reliable during charge and discharge, usually can wrap in battery pack
Include charge-discharge circuit and voltameter, wherein the charge-discharge circuit includes at least battery core, cell switch pipe and three end fuses.When
When battery core occurs seriously affecting safe situation, for example, voltameter detects that the voltage of battery core reaches capacity voltage or battery core
Temperature reaches capacity temperature, and voltameter can control the field-effect tube (Metal-Oxide- opened for driving three end fuses
Semiconductor Field-Effect Transistor, mos), mos can generate high current fusing in three end fuses
Fuse closes circuit.
However, the electric current in the charge-discharge circuit of battery pack is usually larger, correspondingly, charge-discharge circuit fuse it is specified
Electric current is also larger, therefore for driving the rated current of the mos of fuse to be also required to the larger of setting.And in this case, battery
Fuse in packet is typically only capable to the three end fuses using higher cost, is unable to using other lower-cost insurances
Silk, greatly increases so as to cause the manufacturing cost of battery pack.
Summary of the invention
In order to solve the above-mentioned technical problem, this application provides a kind of battery packs, can with the fuse realized in battery pack
To use lower-cost fuse, to greatly reduce the manufacturing cost of battery pack.
The embodiment of the present application discloses following technical solution:
The embodiment of the present application provides a kind of battery pack, and the battery pack includes charge-discharge circuit and cell switch control system
Circuit；Wherein, the charge-discharge circuit includes battery core and cell switch pipe, and the cell switch pipe control circuit includes the electricity
Core, the cell switch pipe, voltameter, field-effect tube mos and fuse；
In the charge-discharge circuit, the battery core is connect with the cell switch pipe；The battery core is used for storing electricity,
The cell switch pipe is powered and powers off for controlling the charge-discharge circuit；
In the cell switch pipe control circuit, the battery core is connect with the voltameter；The voltameter is for examining
Survey the running parameter of the battery core；The voltameter is connect by the mos with the fuse；The voltameter is used for basis
The running parameter of the battery core controls the mos and generates electric current, so that the blown fuse；The fuse with it is described
The connection of cell switch pipe, when the fuse is in blown state, the cell switch pipe is in locking states；
Wherein, the rated current of the fuse is less than the electric current in the charge-discharge circuit.
Optionally, the mos includes the first mos and the 2nd mos, and the fuse includes the first fuse and the second insurance
Silk；
The voltameter is connect by the first mos with first fuse, first fuse and the electricity
The connection of pond switching tube；
The voltameter is connect by the 2nd mos with second fuse, second fuse and the electricity
The connection of pond switching tube.
Optionally, the fuse is disposable fuse.
It can be seen from above-mentioned technical proposal in the technical solution of the application, fuse be can be set in cell switch
In pipe control circuit；Wherein, battery core is connect with voltameter, and the voltameter is used to detect the running parameter of the battery core；It is described
Voltameter is connect by the mos with the fuse；The voltameter is used for the running parameter according to the battery core, controls institute
It states mos and generates electric current, so that the blown fuse；The fuse is connect with the cell switch pipe, the fuse
When in blown state, the cell switch pipe is in locking states.It is made as it can be seen that being managed due to fuse setting in cell switch
In circuit, and simultaneously the non-sum prior art is equally arranged in charge-discharge circuit, so that the rated current of fuse is less than charge and discharge
Electric current in circuit, in this case, the fuse in battery pack can use lower-cost fuse, to greatly reduce
The manufacturing cost of battery pack.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of battery pack provided by the embodiments of the present application.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only this
Apply for a part of the embodiment, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall in the protection scope of this application.
With reference to the accompanying drawing, the various non-limiting embodiments of the application are described in detail.
It is a kind of structural schematic diagram of battery pack provided by the embodiments of the present application referring to Fig. 1.As shown in Figure 1, the present embodiment
A kind of battery pack is provided, which may include charge-discharge circuit and cell switch pipe control circuit.
Wherein, charge-discharge circuit may include battery core 102 and cell switch pipe 101.In charge-discharge circuit, battery core 102
It can be connect with cell switch pipe 101, for example, battery core 102 and cell switch pipe 101 can be series connection.Battery core 102 can be with
For storing electricity, cell switch pipe 101 can be used for controlling charge-discharge circuit and be powered and power off, for example, cell switch pipe 101
When in locking states, charge-discharge circuit can be power-off, and when cell switch pipe 101 is in running order, charge-discharge circuit can
Think energization.It should be noted that in one implementation, battery core 102 may include three battery cores, and three battery cores are
It is connected in series.
Cell switch pipe control circuit may include battery core 102, cell switch pipe 101, voltameter 103, field-effect tube
Mos105 and fuse 104.In cell switch pipe control circuit, battery core 102 is connect with voltameter 103, such as can be string
Connection, wherein voltameter 103 can be used for detecting the running parameter of battery core 102, such as the voltage value and current value of battery core 102.Its
In, since fuse 102 is arranged in cell switch pipe control circuit, and simultaneously the non-sum prior art is equally arranged in charge and discharge electricity
Lu Zhong, therefore the rated current of fuse 102 can be less than the electric current in charge-discharge circuit.In the present embodiment, fuse 102 can
Think three end fuses, alternatively, in one implementation, since the rated current of fuse 102 can be less than charge and discharge electricity
Electric current in road, so, fuse 102 can use lower-cost fuse, such as disposable fuse, in this way, can be with
Greatly reduce the manufacturing cost of battery pack.
Also, in cell switch pipe control circuit, voltameter 103 can be connect by mos 105 with fuse 104,
For example, can be series connection, wherein voltameter 103 is used for the running parameter according to battery core 102, and control mos105 generates electric current, needs
It is noted that the electric current that mos105 is generated can make fuse 102 fuse.
In addition, fuse 102 is connect with cell switch pipe 101 in cell switch pipe control circuit, when fuse 102
When in blown state, cell switch pipe 101 may be at locking states, so that charge-discharge circuit powers off.
In one implementation, as shown in Figure 1, mos105 may include two mos, respectively the first mos and second
Mos, fuse 102 may include two fuses, respectively the first fuse and the second fuse.Wherein, voltameter 103 can
To be connect by the first mos with the first fuse, such as it is connected in series, and first fuse is connect with cell switch pipe 101；
Voltameter 103 can be connect by the 2nd mos with the second fuse, such as be connected in series, and second fuse is opened with battery
Pipe 101 is closed to connect.
It can be seen from above-mentioned technical proposal in the technical solution of the application, fuse be can be set in cell switch
In pipe control circuit；Wherein, battery core is connect with voltameter, and the voltameter is used to detect the running parameter of the battery core；It is described
Voltameter is connect by the mos with the fuse；The voltameter is used for the running parameter according to the battery core, controls institute
It states mos and generates electric current, so that the blown fuse；The fuse is connect with the cell switch pipe, the fuse
When in blown state, the cell switch pipe is in locking states.It is made as it can be seen that being managed due to fuse setting in cell switch
In circuit, and simultaneously the non-sum prior art is equally arranged in charge-discharge circuit, so that the rated current of fuse is less than charge and discharge
Electric current in circuit, in this case, the fuse in battery pack can use lower-cost fuse, to greatly reduce
The manufacturing cost of battery pack.
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment it
Between same and similar part may refer to each other, each embodiment focuses on the differences from other embodiments.
Equipment and system embodiment described above is only schematical, wherein as illustrated by the separation member unit can be or
Person, which may not be, to be physically separated.It can select some or all of the modules therein according to the actual needs to realize this
The purpose of example scheme.Those of ordinary skill in the art are without creative efforts, it can understand and real
It applies.
The above, only this preferable specific embodiment, but the protection scope of the application is not limited thereto, it is any
Within the technical scope of the present application, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
Cover within the scope of protection of this application.Therefore, the protection scope of the application should be subject to the protection scope in claims.
Claims (3)
1. a kind of battery pack, which is characterized in that the battery pack includes charge-discharge circuit and cell switch pipe control circuit；Its
In, the charge-discharge circuit includes battery core and cell switch pipe, and the cell switch pipe control circuit includes the battery core, described
Cell switch pipe, voltameter, field-effect tube mos and fuse；
In the charge-discharge circuit, the battery core is connect with the cell switch pipe；The battery core is used for storing electricity, described
Cell switch pipe is powered and powers off for controlling the charge-discharge circuit；
In the cell switch pipe control circuit, the battery core is connect with the voltameter；The voltameter is for detecting institute
State the running parameter of battery core；The voltameter is connect by the mos with the fuse；The voltameter is used for according to
The running parameter of battery core controls the mos and generates electric current, so that the blown fuse；The fuse and the battery
Switching tube connection, when the fuse is in blown state, the cell switch pipe is in locking states；
Wherein, the rated current of the fuse is less than the electric current in the charge-discharge circuit.
2. battery pack according to claim 1, which is characterized in that the mos includes the first mos and the 2nd mos, the guarantor
Dangerous silk includes the first fuse and the second fuse；
The voltameter is connect by the first mos with first fuse, and first fuse is opened with the battery
Close pipe connection；
The voltameter is connect by the 2nd mos with second fuse, and second fuse is opened with the battery
Close pipe connection.
3. battery pack according to claim 1 or 2, which is characterized in that the fuse is disposable fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810829648.8A CN108963119B (en) | 2018-07-25 | 2018-07-25 | Battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810829648.8A CN108963119B (en) | 2018-07-25 | 2018-07-25 | Battery pack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108963119A true CN108963119A (en) | 2018-12-07 |
| CN108963119B CN108963119B (en) | 2021-06-29 |
Family
ID=64463834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810829648.8A Active CN108963119B (en) | 2018-07-25 | 2018-07-25 | Battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108963119B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070080739A1 (en) * | 2005-10-12 | 2007-04-12 | Freescale Semiconductor, Inc. | Trimming circuit, electronic circuit, and trimming control system |
| US20080012529A1 (en) * | 2006-07-17 | 2008-01-17 | Compal Electronics, Inc. | Hybrid battery module with a voltage balancing unit and its charging and discharging method |
| US20100092844A1 (en) * | 2008-10-10 | 2010-04-15 | Takashi Takeda | Battery Pack |
| CN205355891U (en) * | 2016-02-23 | 2016-06-29 | 宁德时代新能源科技股份有限公司 | Lithium cell overcharge protection device |
| CN106887425A (en) * | 2015-12-16 | 2017-06-23 | 格罗方德半导体公司 | For the ESD-protection structure of electric fuse |
| CN206283281U (en) * | 2016-12-16 | 2017-06-27 | 欣旺达电子股份有限公司 | Battery high current fills the protection and supervisory circuit with electric discharge soon |
| JP2017192193A (en) * | 2016-04-12 | 2017-10-19 | 株式会社Ihi | Battery protection device |
| CN108155694A (en) * | 2018-01-05 | 2018-06-12 | 京东方科技集团股份有限公司 | Laptop electric power and charging method |
-
2018
- 2018-07-25 CN CN201810829648.8A patent/CN108963119B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070080739A1 (en) * | 2005-10-12 | 2007-04-12 | Freescale Semiconductor, Inc. | Trimming circuit, electronic circuit, and trimming control system |
| US20080012529A1 (en) * | 2006-07-17 | 2008-01-17 | Compal Electronics, Inc. | Hybrid battery module with a voltage balancing unit and its charging and discharging method |
| US20100092844A1 (en) * | 2008-10-10 | 2010-04-15 | Takashi Takeda | Battery Pack |
| CN106887425A (en) * | 2015-12-16 | 2017-06-23 | 格罗方德半导体公司 | For the ESD-protection structure of electric fuse |
| CN205355891U (en) * | 2016-02-23 | 2016-06-29 | 宁德时代新能源科技股份有限公司 | Lithium cell overcharge protection device |
| JP2017192193A (en) * | 2016-04-12 | 2017-10-19 | 株式会社Ihi | Battery protection device |
| CN206283281U (en) * | 2016-12-16 | 2017-06-27 | 欣旺达电子股份有限公司 | Battery high current fills the protection and supervisory circuit with electric discharge soon |
| CN108155694A (en) * | 2018-01-05 | 2018-06-12 | 京东方科技集团股份有限公司 | Laptop electric power and charging method |
Non-Patent Citations (1)
| Title |
|---|
| T. MATSUMOTO ET AL.: "《A Floating-Gate MOS Implementation of Resistive Fuse》", 《NEURAL COMPUTATION》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108963119B (en) | 2021-06-29 |
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