CN108134149A - Battery modules and battery management system - Google Patents
Battery modules and battery management system Download PDFInfo
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- CN108134149A CN108134149A CN201810119792.2A CN201810119792A CN108134149A CN 108134149 A CN108134149 A CN 108134149A CN 201810119792 A CN201810119792 A CN 201810119792A CN 108134149 A CN108134149 A CN 108134149A
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- 239000007788 liquid Substances 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 25
- 230000002159 abnormal effect Effects 0.000 abstract description 23
- 238000010586 diagram Methods 0.000 description 12
- 238000007726 management method Methods 0.000 description 8
- 239000002826 coolant Substances 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000000007 visual effect Effects 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The present invention relates to power supply equipment safety detection field, in particular to a kind of battery modules and battery management system.The battery modules include multiple submodule groups, submodule group includes fixing piece and is installed on two soft-package batteries of fixing piece, pressure sensing devices are provided between two soft-package batteries, pressure sensing devices are used to the pressure value between detect two soft-package batteries being sent to controller connected to it, so that controller is judging to obtain that generation alarm signal is simultaneously sent out when there is the pressure value more than preset pressure threshold value in the pressure value received.The battery management system includes processor and above-mentioned battery modules, and processor communicates with the pressure sensing devices of battery modules.Battery modules provided in an embodiment of the present invention and battery management system can realize the timely detection of soft-package battery abnormal conditions, to replace the soft-package battery for abnormal conditions occur in time, so as to ensure that electric vehicle has good security performance.
Description
Technical field
The present invention relates to power supply equipment safety detection field, in particular to a kind of battery modules and battery management system
System.
Background technology
Battery is the energy core of electric vehicle, and power is provided for electric automobile during traveling, wherein, it is soft including soft-package battery
Packet battery refers to the battery that shell is flexible packing material (for example, aluminum-plastic composite membrane).Soft-package battery have light-weight, capacity it is big,
Internal resistance is small, security performance is high and the advantages that flexible design, such as common batteries, soft-package battery can equally be failed, be overcharged
Etc. abnormal conditions, cause battery modules can not normal use, so as to reduce the security performance of electric vehicle.Therefore, how in time
Whether detection soft-package battery there are abnormal conditions, the soft-package battery for abnormal conditions occur is replaced with timely, so as to ensure electronic vapour
Vehicle has good security performance, becomes power supply equipment safety detection field technical barrier urgently to be resolved hurrily.
Invention content
In view of this, the object of the present invention is to provide a kind of battery modules and battery management system, to solve above-mentioned ask
Topic.
An embodiment of the present invention provides a kind of battery modules, including multiple submodule groups, the submodule group include fixing piece and
Two soft-package batteries of the fixing piece are installed on, pressure sensing devices, the pressure are provided between described two soft-package batteries
Force detector part is used to the pressure value between the described two soft-package batteries detected being sent to controller connected to it, with
The controller is made to judge to show that generation is alarmed when there is the pressure value more than preset pressure threshold value in the pressure value received
Signal is simultaneously sent out.
Further, the pressure sensing devices set between described two soft-package batteries that each submodule group includes are
Multiple, multiple pressure sensing devices distributions are set between described two soft-package batteries.
Further, the pressure sensing devices between two soft-package batteries of each submodule group are by way of bonding
It is set between described two soft-package batteries.
Further, the pressure sensing devices are diaphragm pressure sensor.
Further, the battery modules further include the controller that is connect with the pressure sensing devices and with it is described
The alarm of controller connection, the alarm is used to receive the alarm signal of the controller generation, to send out alarm.
Further, the fixing piece is the fixed frame of rectangular frame structure, is installed on two institutes of the fixed frame
State the inside that soft-package battery is located at the fixed frame.
Further, the submodule group further includes electrode slice group, and the electrode slice group includes positive plate and negative plate, described
Positive plate is set to the fixing piece of the submodule group, and the positive plate respectively with two soft-package batteries of the submodule group just
Pole connects, and the negative plate is set to the fixing piece of the submodule group, and the negative plate two with the submodule group respectively
The cathode connection of soft-package battery.
Further, multiple submodule groups are set gradually, and adjacent two submodule group fittings, are included with being formed
The battery modules ontology of first end and the second end, the battery modules further include two end fixed plates, two ends
Portion's fixed plate is respectively arranged at first end and the second end of the battery modules ontology with the fixation battery modules ontology.
Further, the battery modules further include liquid cooling pipe, and the liquid cooling pipe detour is set to the multiple submodule group,
The submodule group of adjacent two is isolated.
The embodiment of the present invention additionally provides a kind of battery management system, including processor and battery modules, the battery mould
Group includes multiple submodule groups, and the submodule group includes fixing piece and is installed on two soft-package batteries of the fixing piece, and described two
Pressure sensing devices are provided between a soft-package battery, the pressure sensing devices are used for the described two Soft Rolls that will be detected electricity
Pressure value between pond is sent to controller connected to it, so that the controller is in judgement obtains the pressure value received
During in the presence of pressure value more than preset pressure threshold value, generation alarm signal is simultaneously sent out, the processor and the battery modules
Pressure sensing devices communicate.
Soft-package battery occurs failure, overcharges when abnormal conditions, can be along with intumescent generation, the embodiment of the present invention
The battery modules and battery management system of offer are examined by setting pressure between two soft-package batteries including in each submodule group
Device is surveyed, the pressure value between the described two soft-package batteries detected is sent to connected to it by the pressure sensing devices
Controller, so that the controller has the pressure value more than preset pressure threshold value in judgement obtains the pressure value received
When, it generates alarm signal and sends out, realize the timely detection of soft-package battery abnormal conditions, abnormal conditions occur to replace in time
Soft-package battery, so as to ensure electric vehicle have good security performance.
For the above objects, features and advantages of the present invention is enable to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Description of the drawings
It in order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of structure diagram of battery modules provided in an embodiment of the present invention.
Fig. 2 is a kind of structure diagram of submodule group provided in an embodiment of the present invention.
Fig. 3 is a kind of submodule group provided in an embodiment of the present invention and the assembling schematic diagram of pressure sensing devices.
Fig. 4 is a kind of part electrical connection schematic diagram of battery modules provided in an embodiment of the present invention.
Fig. 5 is the structure diagram of another visual angle of submodule group shown in Fig. 2.
Fig. 6 is another structure diagram of battery modules provided in an embodiment of the present invention.
Fig. 7 is a kind of structure diagram of liquid cooling pipe provided in an embodiment of the present invention.
Fig. 8 is another structure diagram of battery modules provided in an embodiment of the present invention.
Fig. 9 is submodule group provided in an embodiment of the present invention and another assembling schematic diagram of pressure sensing devices.
Figure 10 shows for a kind of assembling of submodule group, pressure sensing devices and temperature detection device provided in an embodiment of the present invention
It is intended to.
Figure 11 is another part electrical connection schematic diagram of battery modules provided in an embodiment of the present invention.
Figure 12 is another assembling of submodule group provided in an embodiment of the present invention, pressure sensing devices and temperature detection device
Schematic diagram.
Icon:10- battery modules;100- submodule groups;110- fixing pieces;111- positioning protrusion;112- location holes;120- is soft
Packet battery;130- electrode slice groups;131- positive plates;132- negative plates;200- pressure sensing devices;300- controllers;400- is reported
Alert device;500- battery modules ontologies;510- first ends;520- the second ends;600- mounting holes;700- ends fixed plate;
800- liquid cooling pipes;810- inlet tubes;820- outlet tubes;The cold flat tube of 830- liquid;840- solenoid valves;900- temperature detection devices.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes.Obviously, described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Usually
The component for the embodiment of the present invention being described and illustrated herein in the accompanying drawings can be configured to arrange and design with a variety of different.Cause
This, the detailed description of the embodiment of the present invention to providing in the accompanying drawings is not intended to limit claimed invention below
Range, but it is merely representative of the selected embodiment of the present invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Go out all other embodiments obtained under the premise of creative work, shall fall within the protection scope of the present invention.
It should be noted that:Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need to that it is further defined and explained in subsequent attached drawing.
Through inventor the study found that soft-package battery occurs failure, overcharges when abnormal conditions, can be produced along with swelling
Raw, in consideration of it, please referring to Fig.1~Fig. 4, an embodiment of the present invention provides a kind of battery modules 10, the battery modules 10 include
Multiple submodule groups 100, the submodule group 100 include fixing piece 110 and are installed on two soft-package batteries of the fixing piece 110
120, it is provided with pressure sensing devices 200 between described two soft-package batteries 120, the pressure sensing devices 200 will be for will examine
Pressure value between the described two soft-package batteries 120 measured is sent to controller 300 connected to it, so that the controller
300, when there is the pressure value more than preset pressure threshold value during judgement obtains all pressure values received, generate alarm signal
And send out, in this way, when there is alarm signal to generate and send out, then it represents that the generation of soft-package battery 120 such as fail, overcharges at the exception feelings
Condition, the timely detection of abnormal conditions it is achieved thereby that soft-package battery 120 fails, overcharges etc..
In the present embodiment, the controller 300 can be set to the battery modules 10 or pass through the communications cable
Or wireless telecom equipment etc. is connect with the pressure sensing devices 200 of the battery modules 10.In addition, the controller 300 also connects
Alarm 400 is connected to, the alarm 400 is used to receive the alarm signal that the controller 300 generates, to send out alarm.Its
In, the controller 300 can be a kind of IC chip with signal handling capacity.The controller 300 can also
It is general processor, the controller 300 can also be application-specific integrated circuit (AS I C), discrete gate or transistor logic device
Part, discrete hardware components.The disclosed structure diagram in the embodiment of the present invention can be realized or be performed to the controller 300.
In addition, it can also be any conventional controller 300 etc. that general processor, which can be microprocessor (MCU),.
Optionally, in addition, in the present embodiment, the fixing piece 110 is the fixed frame of rectangular frame structure, is installed on institute
Two soft-package batteries 120 for stating fixed frame are located at the inside of the fixed frame.
In the present embodiment, the submodule group 100 further includes electrode slice group 130, and the electrode slice group 130 includes positive plate
131 and negative plate 132, the positive plate 131 is set to the fixing piece 110 of the submodule group 100, and the positive plate 131 divides
Anode not with two soft-package batteries 120 of the submodule group 100 is connect, and the negative plate 132 is set to the submodule group 100
Fixing piece 110, and cathode of the negative plate 132 respectively with two soft-package batteries 120 of the submodule group 100 is connect, this
In embodiment, for being connect with the anode of electric vehicle electrical equipment, the negative plate 132 is used for and electricity the positive plate 131
The cathode connection of electrical automobile electrical equipment.
Further, in the present embodiment, multiple submodule groups 100 are set gradually, and adjacent two submodule groups
100 fittings, to form the battery modules ontology 500 for including first end 510 and the second end 520.Incorporated by reference to Fig. 5, for convenience
It installs, in the present embodiment, the side of the fixing piece 110 is provided with positioning protrusion 111, correspondingly, the fixing piece 110 is another
Side be provided with the 111 corresponding location hole 112 of positioning protrusion, can in the installation process of multiple submodule groups 100
To realize quick location and installation by the cooperation of the positioning protrusion 111 and the location hole 112.
To enhance the stability of 10 structure of battery modules, optionally, the edge of the fixing piece 110 is provided with admittedly
Determine hole 600, after multiple submodule groups 100 are set gradually, the fixation of the edge setting of each fixing piece 110
Hole 600 is coaxial, hereafter, the edge setting of each fixing piece 110 is sequentially passed through by connector (not shown)
The mounting hole 600, you can further fixing for multiple submodule groups 100 is realized, to enhance 10 structure of battery modules
Stability.
Incorporated by reference to Fig. 6, equally, to further enhance the stability of 10 structure of battery modules, optionally, the present embodiment
In, the battery modules 10 further include two end fixed plates 700, and two end fixed plates 700 are respectively arranged at described
The first end 510 and the second end 520 of battery modules ontology 500 are with the fixation battery modules ontology 500, the present embodiment
In, the edge of the end fixed plate 700 is again provided with mounting hole 600, and two end fixed plates 700 are set respectively
After the first end 510 of the battery modules ontology 500 and the second end 520, the edge of the end fixed plate 700 is set
The mounting hole 600 that the edge of the mounting hole 600 put and the fixing piece 110 is set is coaxial, it is to be understood that successively
The both ends of the connector of the mounting hole 600 set across the edge of each fixing piece 110 are located at two institutes respectively
It states in the mounting hole 600 of edge setting of end fixed plate 700.
Fig. 7 and Fig. 8 are please referred to, it is optionally, described in the present embodiment to enhance the security performance of the battery modules 10
Battery modules 10 further include liquid cooling pipe 800, and 800 detour of liquid cooling pipe is set to the multiple submodule group 100, adjacent to be isolated
Two submodule groups 100, so as to for the submodule group 100 soft-package battery 120 carry out radiating and cooling.Optionally, this reality
It applies in example, the liquid cooling pipe 800 includes inlet tube 810, outlet tube 820 and is set to the inlet tube 810 and outlet tube
To connect the cold flat tube 830 of more liquid of the inlet tube 810 and outlet tube 820 between 820, the cold flat tube 830 of more liquid is circuitous
It returns and is set to the multiple submodule group 100, the submodule group 100 of adjacent two is isolated.In the present embodiment, the inlet tube
810 or described outlet tubes 820 are additionally provided with solenoid valve 840, to control the coolant rate inside the cold flat tube 830 of the liquid.
Occur to fail, the soft-package batteries 120 of abnormal conditions such as overcharge to be accurately positioned, in the present embodiment, the controller
300 are also embedded with memory device, so that the controller 300 has data storage capacities, further, the submodule group 100
Code clerk is previously provided with, equally, the pressure sensing devices 200 are also previously provided with code clerk, and the controller 300 stores
There are the correspondence of the code clerk of the submodule group 100 and the code clerk of the pressure sensing devices 200, the controller 300
The identification information that can be carried according to the pressure value received judges to obtain the pressure sensing devices for sending the pressure value
200 code clerk, and the code clerk of submodule group 100 corresponding with the code clerk of the pressure sensing devices 200 is found out, to realize
The purpose for the soft-package battery 120 of abnormal conditions that occurs fail, overcharge etc., the alarm signal of the generation of controller 300 is accurately positioned
Include the code clerk of the submodule group 100 in number.
Referring to Fig. 9, occur fail for enhancing soft-package battery 120, the promptness that abnormal conditions detect such as overcharge, it is optional
Ground, in the present embodiment, the pressure detector that is set between described two soft-package batteries 120 that each submodule group 100 includes
Part 200 is multiple, and multiple distributions of pressure sensing devices 200 are set between described two soft-package batteries 120.It is for example, every
The pressure sensing devices 200 set between described two soft-package batteries 120 that a submodule group 100 includes are six, six
Between the temperature detection device 900 is set to two soft-package batteries 120 so that the set-up mode of three row of two rows is evenly spaced, such as
This, when soft-package battery 120 expands phenomenon from part starting, controller 300 is received to be examined with the pressure being closely located to
The pressure value that detects of device 200 is surveyed, and when the pressure value is more than preset pressure threshold value, just can judge the Soft Roll electricity
Pond 120 expands phenomenon, occurs fail so as to enhance soft-package battery 120, the promptness that abnormal conditions detect such as overcharges.
In the present embodiment, the pressure sensing devices 200 are diaphragm pressure sensor.In addition, each submodule group 100
Two soft-package batteries 120 between pressure sensing devices 200 described two Soft Rolls electricity can be set to by way of bonding
Between pond 120, can also directly it be connected between two soft-package batteries 120, then surrounding is fixed.About the pressure detector
The specific set-up mode of part 200, the present embodiment are not specifically limited.
0 and Figure 11 are please referred to Fig.1, soft-package battery 120 is in addition to it may occur failure, overcharge conditions, in use also
The abnormal conditions generated along with high temperature such as thermal runaway may occur, be punctured, in consideration of it, optionally, in the present embodiment, each
Temperature detection device 900, the temperature detection device 900 are additionally provided between two soft-package batteries 120 of the submodule group 100
For the temperature value between the described two soft-package batteries 120 detected to be sent to the controller 300, so that the control
Device 300 generates alarm signal when there is the temperature value more than preset temperature threshold during judgement obtains all temperature values received
Number and send out, so as to enhance 10 abnormal conditions of battery modules detection it is comprehensive.
To be accurately positioned the soft-package battery 120 that thermal runaway occurs, the abnormal conditions such as is punctured, in the present embodiment, the temperature
Degree detection device 900 is previously provided with code clerk, the controller 300 be stored with the code clerk of the submodule group 100 with it is described
The correspondence of the code clerk of temperature detection device 900, the controller 300 can be more than preset temperature threshold according to what is received
The identification information that the temperature value of value carries judges to obtain the code clerk for the temperature detection device 900 for sending the temperature value, further
Ground finds out the code clerk of submodule group 100 corresponding with the code clerk of the temperature detection device 900, to realize accurate positionin
Thermal runaway, the purpose for the soft-package battery 120 of abnormal conditions such as being punctured are included in the alarm signal that the controller 300 generates
There is the code clerk of the submodule group 100.
Incorporated by reference to Figure 12, equally, for enhancing 120 thermal runaway of soft-package battery, the promptness of abnormal conditions detection such as it is punctured,
Optionally, in the present embodiment, the temperature set between described two soft-package batteries 120 that each submodule group 100 includes is examined
It is multiple to survey device 900, and multiple distributions of temperature detection device 900 are set between described two soft-package batteries 120.Example
Such as, the temperature detection device 900 set between described two soft-package batteries 120 that each submodule group 100 includes is six,
Six temperature detection devices 900 with two rows three row set-up mode it is evenly spaced be set to two soft-package batteries 120 it
Between, in this way, when soft-package battery 120 originates from part and generates high temperataure phenomena, controller 300 receives the temperature being closely located to this
The temperature value that detects of degree detection device 900, and when the temperature value is more than preset temperature threshold, just can judge described soft
Packet battery 120 generates high temperataure phenomena, so as to enhance 120 thermal runaway of soft-package battery, the promptness of abnormal conditions detection such as be punctured.
In the present embodiment, the controller 300 can also adjust the liquid cooling pipe 800 according to the temperature value received
Internal coolant rate.For example, when there is the temperature value more than the first preset temperature threshold in the temperature value received
When, it by aperture regulation is the first default aperture to control the solenoid valve 840, when in the temperature value received there is no being more than
During the temperature value of the second preset temperature threshold, control the solenoid valve 840 by aperture regulation be the second default aperture, wherein, institute
It is less than the preset temperature threshold but default more than second preset temperature threshold, described first to state the first preset temperature threshold
Aperture is more than the described second default aperture.
The embodiment of the present invention additionally provides a kind of battery management system, and the battery management system includes processor and above-mentioned
Battery modules 10, the processor communicate with the pressure sensing devices 200 of the battery modules 10.
In conclusion soft-package battery 120 occurs failure, overcharges when abnormal conditions, understand along with intumescent generation,
Battery modules 10 provided in an embodiment of the present invention and battery management system pass through two Soft Rolls included in each submodule group 100
Pressure sensing devices 200, described two soft-package batteries that the pressure sensing devices 200 will detect are set between battery 120
Pressure value between 120 is sent to controller 300 connected to it, so that the controller 300 is judging to obtain what is received
It when there is the pressure value more than preset pressure threshold value in pressure value, generates alarm signal and sends out, realize that soft-package battery 120 is abnormal
The timely detection of situation, to replace the soft-package battery 120 for abnormal conditions occur in time, so as to ensure that it is good that electric vehicle has
Security performance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally connect
It connects.Can be mechanical connection or electrical connection.It can be directly connected, can also be indirectly connected by intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, can above-mentioned term be understood with concrete condition
Concrete meaning in the present invention.
In the description of the present invention, it is also necessary to explanation, the orientation or position relationship of the instructions such as term " interior " and " outer "
For be based on orientation shown in the drawings or position relationship or the invention product using when the orientation usually put or position close
System is for only for ease of the description present invention and simplifies description rather than instruction or imply that signified device or element must have
Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " the
One ", " second " etc. is only used for distinguishing description, and it is not intended that instruction or hint relative importance.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, that is made any repaiies
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of battery modules, which is characterized in that including multiple submodule groups, the submodule group includes fixing piece and is installed on described
Two soft-package batteries of fixing piece are provided with pressure sensing devices, the pressure sensing devices between described two soft-package batteries
For the pressure value between the described two soft-package batteries detected to be sent to controller connected to it, so that the control
Device is judging to show that generation alarm signal is concurrent when there is the pressure value more than preset pressure threshold value in the pressure value received
Go out.
2. battery modules according to claim 1, which is characterized in that described two Soft Rolls that each submodule group includes
The pressure sensing devices set between battery are multiple, and multiple pressure sensing devices distributions are set to described two Soft Roll electricity
Between pond.
3. battery modules according to claim 1, which is characterized in that between two soft-package batteries of each submodule group
Pressure sensing devices be set to by way of bonding between described two soft-package batteries.
4. battery modules according to claim 1, which is characterized in that the pressure sensing devices are sensed for diaphragm pressure
Device.
5. battery modules according to claim 1, which is characterized in that the battery modules further include and the pressure detecting
The controller of device connection and the alarm being connect with the controller, the alarm are given birth to for receiving the controller
Into alarm signal, to send out alarm.
6. according to the battery modules described in Claims 1 to 5 any one, which is characterized in that the fixing piece is rectangular frame
The fixed frame of frame structure, two soft-package batteries for being installed on the fixed frame are located at the inside of the fixed frame.
7. battery modules according to claim 6, which is characterized in that the submodule group further includes electrode slice group, the electricity
Pole piece group includes positive plate and negative plate, and the positive plate is set to the fixing piece of the submodule group, and the positive plate is distinguished
It is connect with the anode of two soft-package batteries of the submodule group, the negative plate is set to the fixing piece of the submodule group, and institute
Cathode of the negative plate respectively with two soft-package batteries of the submodule group is stated to connect.
8. according to the battery modules described in Claims 1 to 5 any one, which is characterized in that multiple submodule groups are set successively
It puts, and adjacent two submodule group fittings, it is described to form the battery modules ontology for including first end and the second end
Battery modules further include two end fixed plates, and two end fixed plates are respectively arranged at the of the battery modules ontology
One end and the second end are with the fixation battery modules ontology.
9. according to the battery modules described in Claims 1 to 5 any one, which is characterized in that the battery modules further include liquid
Cold pipe, the liquid cooling pipe detour are set to the multiple submodule group, the submodule group of adjacent two is isolated.
10. a kind of battery management system, which is characterized in that including processor and battery as described in any one of claim 1 to 9
Module, the processor communicate with the pressure sensing devices of the battery modules.
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108365295A (en) * | 2018-03-07 | 2018-08-03 | 华霆(合肥)动力技术有限公司 | Heat management device and battery modules |
CN108550956A (en) * | 2018-06-20 | 2018-09-18 | 华霆(合肥)动力技术有限公司 | Battery modules and electric vehicle |
CN110261781A (en) * | 2019-06-12 | 2019-09-20 | 天津市捷威动力工业有限公司 | A kind of method for early warning of battery thermal runaway |
CN112345126A (en) * | 2020-12-28 | 2021-02-09 | 中汽研(天津)汽车工程研究院有限公司 | Pressure testing system and method applied to power battery |
CN113054271A (en) * | 2019-12-27 | 2021-06-29 | 北京车和家信息技术有限公司 | Method and device for detecting safety state of battery |
CN113131013A (en) * | 2020-01-16 | 2021-07-16 | 荣盛盟固利新能源科技有限公司 | Battery module with pressure early warning device |
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