CN206685457U - Thermal management device of battery and battery modules - Google Patents
Thermal management device of battery and battery modules Download PDFInfo
- Publication number
- CN206685457U CN206685457U CN201720558464.3U CN201720558464U CN206685457U CN 206685457 U CN206685457 U CN 206685457U CN 201720558464 U CN201720558464 U CN 201720558464U CN 206685457 U CN206685457 U CN 206685457U
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- battery
- management device
- thermal management
- airtight chamber
- accommodating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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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Abstract
The utility model provides a kind of thermal management device of battery and battery modules, is related to cell art.Thermal management device of battery includes being used for the containing rack for fixing multiple battery cells, and the containing rack includes at least two accommodating structures to match;For at least one of airtight chamber for the connecting sewing for accommodating at least two accommodating structures;The pressure sensor of pressure signal is generated when detecting that the closed chamber gas pressure inside exceedes preset range.By setting the airtight chamber for the connecting sewing that can accommodate accommodating structure, closed chamber room pressure is detected by pressure sensor.Connecting sewing is in the event of seepage, and because connecting sewing cladding is got up by airtight chamber, the material of seepage can be entered in airtight chamber, make the pressure change in airtight chamber, and is detected by the pressure sensor.Determine whether connecting sewing seepage occurs by the pressure change in airtight chamber, overall structure simple structure, leak detection effect is more preferable.
Description
Technical field
Battery modules technical field is the utility model is related to, in particular to a kind of thermal management device of battery and battery
Module.
Background technology
Battery is the power resources of electric automobile, and battery is in grouping procedure, it is necessary to use a variety of fixed structures and heat pipe
Structure is managed, to realize the fixation of battery and thermal management.Existing heat management device is because structure limits, in use such as
There is junction seepage in fruit, can not timely be detected because the liquid of seepage is less, and the liquid of seepage may trigger battery
The serious consequences such as short circuit.
Utility model content
In view of this, the utility model provides a kind of thermal management device of battery and battery modules, can realize to battery
The monitoring of heat management device seepage.
The technical scheme that the utility model is provided is as follows:
A kind of thermal management device of battery, including:
For fixing the containing rack of multiple battery cells, the containing rack includes at least two accommodating structures to match,
At least two accommodating structures are fastened and connected the hollow chamber to be formed and can accommodate heat accumulating;
For at least one of airtight chamber for the connecting sewing for accommodating at least two accommodating structures;
The pressure sensor of pressure signal is generated when detecting that the closed chamber gas pressure inside exceedes preset range.
Further, each accommodating structure includes being used for the flange being connected with other accommodating structures, at least two accommodating knots
Structure is connected by the flange.
Further, the accommodating structure is two to match, and each accommodating structure is held by four sides and a battery
The face of putting encloses to be formed, and the flange is arranged on the one end of each side away from the battery containing face, and two accommodating structures pass through
The flange connects to form the containing rack, and the flange of one of accommodating structure encloses to form the airtight chamber, so that two
The connecting sewing of the flange of accommodating structure is located in the airtight chamber.
Further, the battery cell is cylindrical battery, and the battery containing face includes the multiple and cylinder
The arc storage tank that battery matches.
Further, the air pressure of environment where the air pressure in the airtight chamber is less than the heat management device, formed negative
Pressure ring border.
Further, multiple supporting constructions are provided with the airtight chamber, through hole is offered in the supporting construction, with
Make the overall chamber that the airtight chamber is a connection.
Further, the airtight chamber includes at least two independent sub-chamber, and the thermal management device of battery includes
Multiple pressure sensors corresponding with each sub-chamber.
Further, in addition to multiple detachable thermally conductive sheets for being arranged in the hollow chamber.
Further, in addition to multiple reinforcements for being arranged in the hollow chamber, the reinforcement with it is described accommodating
Structure is fixedly connected.
The utility model additionally provides a kind of battery modules, including multiple above-mentioned thermal management device of batteries and multiple batteries
Monomer, multiple thermal management device of battery parallel arrangeds, two neighboring thermal management device of battery form the space of self-contained battery monomer.
Thermal management device of battery provided by the utility model, containing rack is cooperatively formed by accommodating structure, and set can be with
The airtight chamber of the connecting sewing of accommodating structure is accommodated, the pressure in airtight chamber is detected by pressure sensor.The appearance of containing rack
The connecting sewing of structure is put in the event of seepage, because connecting sewing cladding is got up by airtight chamber, the material of seepage at connecting sewing
It will enter in airtight chamber so that the pressure change in airtight chamber, so as to be detected by the pressure sensor.Pass through detection
Pressure change in airtight chamber determines whether the connecting sewing of the accommodating structure of containing rack seepage, overall structure construction occurs
Simply, leak detection effect is more preferable.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Accompanying drawing appended by cooperation, is described in detail below.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is a kind of structural representation for thermal management device of battery that the utility model embodiment provides.
Fig. 2 is the enlarged drawing at I in Fig. 1.
Fig. 3 is the explosive view figure for multiple thermal management device of batteries that the utility model embodiment provides.
Fig. 4 is a kind of schematic diagram for battery modules that the utility model embodiment provides.
Icon:10- thermal management device of batteries;100- containing racks;101- accommodating structures;102- connecting sewings;103- closed chambers
Room;104- pressure sensors;20- battery modules.
Embodiment
Below in conjunction with accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole realities
Apply example.The component of the utility model embodiment being generally described and illustrated herein in the accompanying drawings can be come with a variety of configurations
Arrangement and design.Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit below
Claimed the scope of the utility model, but it is merely representative of selected embodiment of the present utility model.Based on the utility model
Embodiment, the every other embodiment that those skilled in the art are obtained on the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that:Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.It is meanwhile new in this practicality
In the description of type, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relatively important
Property.
The embodiment of the present application provides a kind of thermal management device of battery 10, as depicted in figs. 1 and 2, including it is more for placing
The containing rack 100 of individual battery cell.The containing rack 100 includes being fastened and connected shape by least two accommodating structures 101 to match
Into hollow chamber, heat accumulating can be accommodated in the hollow chamber.
By storing heat accumulating in hollow chamber, such as paraffin phase-change material, specific filler can be according to reality
It needs to be determined that.In a battery modules, multiple battery cells, such as multiple cylindrical batteries, multiple soft-package batteries can be included
Etc..Multiple battery cells are arranged according to preset rules, and the can of containing rack 100 is arranged between battery cell, with battery list
Body contacts.The one side of containing rack 100 can realize the fixation to battery cell, on the other hand utilize the heat accumulation material of its internal filling
Material can absorb heat caused by battery cell.
Battery cell can produce heat in the course of the work, if these heats can not be lost in surrounding enviroment in time,
Battery cell temperature rise can be caused too fast, influence discharging efficiency.The accumulation of battery modules internal heat is even caused, to battery modules
Trouble free service bring hidden danger.Multiple containing racks 100 can be set in one battery modules, in battery temperature uphill process,
Heat accumulating inside containing rack 100 can absorb heat caused by battery cell, slow down the temperature rise of battery cell, reduce and occur
The possibility of thermal run away, extend working time and the working life of battery cell.
In the embodiment of the present application, containing rack 100 is to be connected to be formed by least two accommodating structures 101.Manufacturing
Cheng Zhong, containing rack 100 can use two accommodating structures 101 for first manufacturing and matching, then utilize two accommodating structures 101
The modes such as welding connect, and form containing rack 100.Utility model people has found, in the process being attached, in fact it could happen that two
The junction of individual accommodating structure 101 connects untight situation, and such untight situation of connection will not in detection process
It is found, but in use, leakage scenarios just occurs.Once heat accumulating in containing rack 100 is there occurs seepage, just
It can be impacted inside battery modules, influence the normal work of battery, or even cause the dangerous situations such as the short circuit of battery.Cause
This is, it is necessary to which whether there occurs seepage to be monitored to containing rack 100.
In the embodiment of the present application, by setting an airtight chamber 103, and by the connection of at least two accommodating structures 101
Place is arranged in airtight chamber 103, while pressure sensor 104 is set in airtight chamber 103.By detecting airtight chamber
Pressure in 103 determines whether that there occurs seepage.The seepage of containing rack 100 occurs mostly in the company of two accommodating structures 101
Place is met, airtight chamber 103 accommodates the junction of accommodating structure 101 wherein, once in junction, there occurs seepage, containing rack
Heat accumulating inside 100 will be entered in the airtight chamber 103, change original pressure in airtight chamber 103.It is arranged on
Pressure sensor 104 in airtight chamber 103 if a pressure be detected that change exceeded preset range, it is possible to it is determined that being to have
Other materials have been entered in airtight chamber 103, i.e., there occurs seepage for the junction of determination accommodating structure 101.
For convenience of signal, the airtight chamber 103 in Fig. 1 and Fig. 2 has carried out section processing, by the chamber in airtight chamber 103
Illustrated room.It is understood that in fact, airtight chamber 103 be completely it is closed, can not see from the appearance close
The inside of closed chamber room 103.
Pressure sensor 104 can set a normal detection range, if the pressure in airtight chamber 103 is in the model
When enclosing interior, show that seepage does not occur for junction.Due to battery modules in the course of the work, its internal temperature can become
Change, or the difference of battery modules local environment also brings along the difference of temperature.Battery modules fluctuate in normal temperature range
When, the air pressure in airtight chamber 103 can be caused to fluctuate, pressure sensor 104 only detects the pressure in airtight chamber 103
Pressure signal can be just generated when power is beyond preset range, ensures to report by mistake with this.Generally, accommodating structure
101 junction becomes big there occurs the pressure that can cause after leakage in airtight chamber 103, can preset a pressure limit,
When pressure sensor 104 detect air pressure be more than the pressure limit maximum, that is, generate pressure signal.
It is understood that the junction that airtight chamber 103 is used to accommodate two accommodating structures 101 is at least one of.
Optionally, the junction of accommodating structure 101 is entirely accommodated in the airtight chamber 103, to pass through pressure sensor 104
Detect the pressure in airtight chamber 103.One or more pressure sensors 104 can be set to realize to the internal pressure of airtight chamber 103
The detection of power, pressure sensor 104 can be arranged in airtight chamber 103, can also be arranged on outside airtight chamber 103, and it is examined
Part is surveyed to connect with airtight chamber 103.Pressure sensor 104 can select the higher baroceptor of detection sensitivity, specifically
It can be determined from model according to being actually needed.
It is understood that the air pressure in the airtight chamber 103 can be less than heat management device place environment
Air pressure, form subnormal ambient.Airtight chamber 103 can be formed during containing rack 100 is manufactured, and form subnormal ambient
Afterwards, if seepage occurs in the junction of accommodating structure 101, because the pressure in airtight chamber 103 is small, the storage in hollow chamber
Hot material can enter in airtight chamber 103 faster, so that the pressure change in airtight chamber 103 can quilt faster
Pressure sensor 104 detects.
The accommodating structure 101 is two to match, and each accommodating structure 101 is by four sides and a battery containing face
Enclose to be formed, the battery containing face forms multiple storage tanks for accommodating battery cell, and the side holds away from the battery
The one end for putting face is provided with the flange, and two to match accommodating structure 101 connects to form the containing rack by the flange
100, the flange of one of accommodating structure 101 encloses to form the airtight chamber 103, so that the company of two accommodating structures 101
The gap of seam 102 is located in the airtight chamber 103.
In another embodiment, supporting construction is provided with the airtight chamber 103, is opened up in the supporting construction
There is through hole, so that the airtight chamber 103 is the entirety of a connection.In actual use, containing rack 100 is typically using plastics etc.
Material is made, and its own intensity is relatively low, and anti-pressure ability is weak.By setting multiple supporting constructions, Ke Yijia in airtight chamber 103
The intensity of strong airtight chamber 103.Through hole is opened up on the support structure simultaneously, while can ensure that airtight chamber 103 is one whole
The chamber of body connection, it still is able to detect the gas pressure in airtight chamber 103 using pressure sensor 104.
It is understood that the airtight chamber 103 can include at least one independent sub-chamber, the battery thermal
Reason device 10 includes multiple pressure sensors 104 corresponding with each sub-chamber.Air pressure in airtight chamber 103 is examined in order to improve
Sensitivity is surveyed, is arranged to multiple independent sub-chamber, while each pressure sensor 104 can detect in each sub-chamber respectively
Air pressure, when seepage occurs in the connecting sewing 102 in some chamber, can be detected faster.
In hollow chamber after heat accumulating is filled with, close to containing rack 100 and the heat accumulation material of the direct contact portion of battery
Material can absorb more heat, and the heat that the heat accumulating that is not contacted directly with containing rack 100 in hollow chamber absorbs compared with
It is few.So that in hollow chamber heat accumulating heat skewness, overall absorption heat is less.By in the hollow chamber
It is interior that multiple detachable thermally conductive sheets are set, conduction that can be by the heat of heat accumulating evenly, improve the overall storage of heat accumulating
Heat energy power.It can be detachable form that thermally conductive sheet, which can use the fast material of other heat conduction velocities, the thermally conductive sheets such as metal,
Before multiple accommodating structures 101 are connected, thermally conductive sheet is placed on predeterminated position, then connected accommodating structure 101, formed accommodating
Frame 100.
In another embodiment, be additionally included in the hollow chamber and multiple reinforcements be set, the reinforcement with
The accommodating structure 101 is fixedly connected.By setting reinforcement to increase the bulk strength of containing rack 100, battery extrusion etc. is avoided
Cause the deformation of containing rack 100.
In summary, thermal management device of battery 10 provided by the utility model, cooperatively formed by accommodating structure 101 accommodating
Frame 100, and the airtight chamber 103 for the connecting sewing 102 that can accommodate accommodating structure 101 is set, detected by pressure sensor 104
Pressure in airtight chamber 103.The connecting sewing 102 of the accommodating structure 101 of containing rack 100 is in the event of seepage, due to closed
Chamber 103 gets up the cladding of connecting sewing 102, and the material of seepage will be entered in airtight chamber 103 at connecting sewing 102 so that
Pressure change in airtight chamber 103, so as to be detected by pressure sensor 104.By detecting the pressure in airtight chamber 103
Change to determine whether the connecting sewing 102 of the accommodating structure 101 of containing rack 100 seepage occurs, overall structure simple structure, ooze
Leak detection effect is more preferable.
As shown in figure 4, the embodiment of the present application additionally provides a kind of battery modules 20, the battery modules 20 include multiple foregoing
Thermal management device of battery 10, the battery modules 20 can be fixed thermal management device of battery 10 in groups by other fixed plates, and
Cell is installed wherein.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.It should be noted that
Arrive:Similar label and letter represents similar terms in following accompanying drawing, therefore, once determined in a certain Xiang Yi accompanying drawing
Justice, then it further need not be defined and explained in subsequent accompanying drawing.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be described with power
The protection domain that profit requires is defined.
Claims (10)
- A kind of 1. thermal management device of battery, it is characterised in that including:For fixing the containing rack of multiple battery cells, the containing rack includes at least two accommodating structures to match, at least Two accommodating structures are fastened and connected the hollow chamber to be formed and can accommodate heat accumulating;For at least one of airtight chamber for the connecting sewing for accommodating at least two accommodating structures;The pressure sensor of pressure signal is generated when detecting that the closed chamber gas pressure inside exceedes preset range.
- 2. thermal management device of battery according to claim 1, it is characterised in that each accommodating structure includes being used for and other The flange of accommodating structure connection, at least two accommodating structures are connected by the flange.
- 3. thermal management device of battery according to claim 2, it is characterised in that the accommodating structure is two to match Individual, each accommodating structure is enclosed and formed by four sides and a battery containing face, and the flange is arranged on each side away from institute The one end in battery containing face is stated, two accommodating structures connect to form the containing rack by the flange, one of accommodating structure Flange enclose to form the airtight chamber so that the connecting sewing of the flange of two accommodating structures is located in the airtight chamber.
- 4. thermal management device of battery according to claim 3, it is characterised in that the battery cell is cylindrical battery, The battery containing face includes multiple arc storage tanks to match with the cylindrical battery.
- 5. according to the thermal management device of battery described in Claims 1-4 any one, it is characterised in that in the airtight chamber Air pressure be less than the heat management device where environment air pressure, formed subnormal ambient.
- 6. according to the thermal management device of battery described in Claims 1-4 any one, it is characterised in that in the airtight chamber Multiple supporting constructions are provided with, through hole is offered in the supporting construction, so that the airtight chamber is the overall chamber of a connection Room.
- 7. thermal management device of battery according to claim 1, it is characterised in that it is only that the airtight chamber includes at least two Vertical sub-chamber, the thermal management device of battery include multiple pressure sensors corresponding with each sub-chamber.
- 8. thermal management device of battery according to claim 1, it is characterised in that also include being arranged in the hollow chamber Multiple detachable thermally conductive sheets.
- 9. thermal management device of battery according to claim 1, it is characterised in that also include being arranged in the hollow chamber Multiple reinforcements, the reinforcement is fixedly connected with the accommodating structure.
- 10. a kind of battery modules, it is characterised in that including the battery thermal management dress described in multiple claim 1 to 9 any one Put and multiple battery cells, multiple thermal management device of battery parallel arrangeds, two neighboring thermal management device of battery form fixed electricity The space of pond monomer.
Priority Applications (1)
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CN201720558464.3U CN206685457U (en) | 2017-05-18 | 2017-05-18 | Thermal management device of battery and battery modules |
Applications Claiming Priority (1)
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CN201720558464.3U CN206685457U (en) | 2017-05-18 | 2017-05-18 | Thermal management device of battery and battery modules |
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CN206685457U true CN206685457U (en) | 2017-11-28 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106972127A (en) * | 2017-05-18 | 2017-07-21 | 华霆(合肥)动力技术有限公司 | Thermal management device of battery and battery modules |
-
2017
- 2017-05-18 CN CN201720558464.3U patent/CN206685457U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106972127A (en) * | 2017-05-18 | 2017-07-21 | 华霆(合肥)动力技术有限公司 | Thermal management device of battery and battery modules |
CN106972127B (en) * | 2017-05-18 | 2023-07-18 | 华霆(合肥)动力技术有限公司 | Battery thermal management device and battery module |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP02 | Change in the address of a patent holder | ||
CP02 | Change in the address of a patent holder |
Address after: 230601 Anhui Hefei economic and Technological Development Zone, Xin Xin Road, No. 62 power battery factory Patentee after: Huating (Hefei) Power Technology Co., Ltd. Address before: 230601 No. 26, No. 5, Tsing Luen Road, Hefei economic and Technological Development Zone, Anhui Patentee before: Huating (Hefei) Power Technology Co., Ltd. |