CN216250897U - Novel battery module heating film - Google Patents
Novel battery module heating film Download PDFInfo
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- CN216250897U CN216250897U CN202122729673.9U CN202122729673U CN216250897U CN 216250897 U CN216250897 U CN 216250897U CN 202122729673 U CN202122729673 U CN 202122729673U CN 216250897 U CN216250897 U CN 216250897U
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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 discloses a novel battery module heating film; the heating film connector is of a cuboid structure, anti-skid grains are arranged on the outer side of the heating film connector, and the heating film connector is provided with a heating mechanism; the method comprises the following steps: and the upper PI heating film insulating layer is arranged on the upper layer of the heating film connector, and the appearance of the upper PI heating film insulating layer is of a sheet structure. This novel battery module heating film is provided with tension elimination mechanism, can prevent effectively that heating film edge from gathering because the epimembranal stress of membrane, heating film edge upwarps appears, cause the middle whole unsettled droing of heating film, avoid heating film dry combustion method to appear, because the device is provided with crest and trough, change heating film edge design into the wave, wave edge design contrast ordinary sharp edge has prolonged the edge line of heating film, when the tension release at the ageing edge of heating film, can disperse more with stress release on the edge line.
Description
Technical Field
The utility model relates to the technical field of electric power energy storage devices, in particular to a novel battery module heating film.
Background
With the rapid development of new energy industries at home and abroad, various power energy storage devices are more and more commonly applied, wherein lithium ion batteries are widely applied to the energy industries and the automobile industries due to the excellent performances of high energy density and high cycle frequency, but due to the poor low-temperature characteristic of the lithium ion batteries, a thermal management system is required to be installed on a lithium ion battery system under most of the working conditions of use to provide a heating function for a lithium ion battery module at a low temperature, wherein the most widely used heating device is a heating film, but the existing battery module heating film in the market at present has many defects, such as:
for example, the heating film with the publication number of CN212434719U and the battery module using the heating film lack a tension relief mechanism, after the PI heating film is adhered to the battery module for several years, the double-sided adhesive force on the film is reduced, the edge of the PI heating film is warped due to the stress accumulation on the film, and the whole middle of the heating film is suspended and falls off seriously, so that the heating film is dried and burned, and serious safety results are generated;
and traditional battery adds hotting mask and lacks a frivolous structure, because the battery adds hotting mask and lacks mostly slice structure, its surface is comparatively tight, lacks one kind and can not influence the heating effect promptly, can reduce the mechanism of material volume again simultaneously, causes the area occupied of hotting mask great, is not convenient for settle.
We have proposed a novel battery module heating film in order to solve the problems set forth above.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel battery module heating film to solve the problems of lack of a tension eliminating mechanism and insufficient lightness and thinness in the current market, which are provided by the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a novel battery module heating film;
the heating film connector is of a cuboid structure, anti-skid grains are arranged on the outer side of the heating film connector, and the heating film connector is provided with a heating mechanism;
the method comprises the following steps:
the upper PI heating film insulating layer is arranged on the upper layer of the heating film connector, the appearance of the upper PI heating film insulating layer is of a sheet structure, and the upper PI heating film insulating layer is provided with a wear-resistant heat insulation mechanism;
the temperature acquisition and external equipment is connected with the communication wiring harness, the appearance of the communication wiring harness is of a wire-shaped structure, the surface of the communication wiring harness connected with the temperature acquisition and external equipment is provided with an insulating layer, and the communication wiring harness connected with the temperature acquisition and external equipment is provided with a temperature monitoring mechanism;
the wave crests are arranged on the outer side of the upper PI heating film insulating layer, the number of the wave crests is multiple, and the wave crests are provided with anti-wrinkle mechanisms.
By adopting the technical scheme, the device can be provided with the tension eliminating mechanism, the edge of the heating film can be effectively prevented from warping due to stress accumulation on the film, the whole middle of the heating film is suspended and falls off, and the heating film is prevented from being burnt dry, the edge design of the heating film is changed into wave shape due to the wave crest and the wave trough, the edge line of the heating film is prolonged by the wave edge design compared with the common linear edge, when the tension of the ageing edge of the heating film is released, the stress can be more dispersedly released on the edge line, so that the edge warping of the heating film is avoided, the practicability is increased, the device is provided with a hollow structure, and after the heating film is flatly unfolded and fixed due to the hollow design of the upper PI heating film insulating layer, the high polymer asbestos heat insulating material, the heating resistance wire, the lower PI heating film insulating layer and the 3M viscose surface, the hollowing out on the body can effectively reduce stress accumulation on the heating film, so that the overall stress on the heating film is dispersed and released on each hollowed-out strip, and the fixing of the heating film is more durable and is not suitable for middle tilting; cut apart according to the fretwork strip with the heating interval of heating film, the heating power of every heating interval can be defined by oneself, conveniently carries out meticulous management to the electric core heating, and the fretwork design is in the interval department of per two electric cores, but the tensile force on the dispersible heating film when producing deformation or small displacement between electric core has increased the practicality.
As a preferred aspect of the present invention, the heating mechanism for heating the film connector includes:
and the heating film connector high-voltage wire harness is connected to the tail end of the heating film connector and is connected with the heating resistance wire.
Adopt above-mentioned technical scheme can make the device possess the heating function, only need with heating film connector and power switch-on, the heating film connector passes through heating film connector high-pressure wire harness and gives the current transfer for the heating resistor silk, and heating resistor silk work produces the heat and heats the battery.
As a preferred technical solution of the present invention, the wear-resistant heat insulation mechanism of the upper PI heating film insulation layer includes:
the high-silicone grease wear-resistant cache plate is attached to the outer side of the upper PI heating film insulating layer through glue;
and the macromolecular asbestos heat-insulating material is clamped between the upper PI heating film insulating layer and the heating resistance wire, and the lower PI heating film insulating layer is arranged at the lower end of the heating resistance wire.
Adopt above-mentioned technical scheme to make the device more durable, the wear-resisting buffer memory piece of high silicone grease can increase the surface wear resistance of this device effectively, prevents that the device from ageing fast, and upper PI adds the thermal film insulating layer and the thermal film insulating layer of lower floor's PI can effectively protect the battery, prevents to switch on between battery and the thermal film and takes place the short circuit, has increased the security.
As a preferred technical solution of the present invention, the temperature monitoring mechanism of the communication harness for temperature acquisition and connection with an external device includes:
and the temperature acquisition NTC is integrated on the heating resistance wire and is used as a temperature acquisition sensor.
Adopt above-mentioned technical scheme can make the device possess the temperature monitoring function, and when heating resistor silk during operation produced heat, the communication pencil that the heat is connected through temperature acquisition and external equipment transmits for temperature acquisition NTC and handles, accomplishes the real time monitoring to the heating film temperature, prevents that the overheating of heating film from leading to the battery to burn out, has increased the security.
As a preferred technical solution of the present invention, the wrinkle preventing mechanism for the peaks includes:
the wave trough is arranged on the outer side of the upper PI heating film insulating layer, and the surface of the upper PI heating film insulating layer is provided with a hollow design.
Adopt above-mentioned technical scheme to make the device possess crease-resistant structure, the edge line of heating film has been prolonged to the ordinary sharp edge of wave edge design contrast, when the tension release at the ageing edge of heating film, can disperse more with stress release on the edge line, thereby avoid heating film edge upwarp, the practicality has been increased, and the device is provided with hollow out construction, because upper PI heating film insulating layer, polymer asbestos heat-insulating material, the heating resistor silk, lower floor PI heating film insulating layer and 3M viscose surface have seted up the fretwork design, make the device heating film expand fixed back straightly, fretwork on the body can effectively reduce the stress accumulation on the heating film, make the whole stress dispersion on the heating film, release respectively on every fretwork strip, make the fixed of heating film more durable, should not middle perk.
As a preferred technical solution of the present invention, the lower PI heating film insulating layer is further provided with:
and the 3M viscose is arranged on the inner side of the lower PI heating film insulating layer.
Adopt above-mentioned technical scheme to make the device be convenient for fixed, only need to laminate the inboard 3M viscose of lower floor's PI heating film insulating layer to relevant equipment and can accomplish to paste fixedly, and is very convenient, has increased the practicality.
Compared with the prior art, the utility model has the beneficial effects that:
1. the novel battery module heating film is provided with the tension eliminating mechanism, the edge of the heating film can be effectively prevented from warping due to stress accumulation on the film, the whole heating film is suspended and falls off in the middle, and dry burning of the heating film is avoided;
2. the novel battery module heating film is provided with a hollow structure, and due to the fact that hollow designs are arranged on the surfaces of the upper PI heating film insulating layer, the polymer asbestos heat insulating material, the heating resistance wire, the lower PI heating film insulating layer and the 3M viscose, after the heating film of the device is unfolded and fixed straightly, stress accumulation on the heating film can be effectively reduced through hollow on the body, overall stress on the heating film is dispersed and released on each hollow strip respectively, the fixing of the heating film is more durable, and the heating film is not prone to being raised in the middle; cut apart according to the fretwork strip with the heating interval of heating film, the heating power of every heating interval can be defined by oneself, conveniently carries out meticulous management to the electric core heating, and the fretwork design is in the interval department of per two electric cores, but the tensile force on the dispersible heating film when producing deformation or small displacement between electric core has increased the practicality.
Drawings
FIG. 1 is a schematic diagram of an explosive structure according to the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic front view of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention.
In the figure: 1. heating the membrane connector; 2. heating the membrane connector high voltage wire harness; 3. an upper PI heating film insulating layer; 4. a high silicone grease wear-resistant buffer sheet; 5. a high-molecular asbestos heat-insulating material; 6. heating resistance wires; 7. a lower PI heating film insulating layer; 8. 3M viscose glue; 9. acquiring NTC (negative temperature coefficient); 10. a communication harness for temperature acquisition and connection with an external device; 11. wave crest; 12. a trough of a wave; 13. and (5) hollow design.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, the present invention provides a technical solution: a novel battery module heating film; the heating film connector 1 is of a cuboid structure, anti-skid grains are arranged on the outer side of the heating film connector 1, and the heating film connector 1 is provided with a heating mechanism; the heating mechanism that heats the film connector 1 includes: the heating film connector high-voltage wire harness 2 is connected to the tail end of the heating film connector 1, the heating film connector high-voltage wire harness 2 is connected with the heating resistance wire 6, so that the device has a heating function, only the heating film connector 1 is required to be connected with a power supply, the heating film connector 1 transmits current to the heating resistance wire 6 through the heating film connector high-voltage wire harness 2, and the heating resistance wire 6 generates heat to heat a battery when working;
the method comprises the following steps:
the upper PI heating film insulating layer 3 is arranged on the upper layer of the heating film connector 1, the appearance of the upper PI heating film insulating layer 3 is of a sheet structure, and the upper PI heating film insulating layer 3 is provided with a wear-resistant heat insulation mechanism; the wear-resisting adiabatic mechanism of upper PI heating film insulating layer 3 includes: the high-silicone grease wear-resistant cache plate 4 is attached to the outer side of the upper PI heating film insulating layer 3 through glue; polymer asbestos heat insulating material 5 presss from both sides between upper PI heating film insulating layer 3 and heating resistor silk 6, and the lower extreme of heating resistor silk 6 is provided with lower floor's PI heating film insulating layer 7, and lower floor's PI heating film insulating layer 7 still is provided with: the 3M viscose 8 is arranged on the inner side of the lower PI heating film insulating layer 7, so that the device is more durable, the high-silicone grease wear-resistant cache chip 4 can effectively improve the surface wear resistance of the device and prevent the device from being rapidly aged, the battery can be effectively protected by the upper PI heating film insulating layer 3 and the lower PI heating film insulating layer 7, short circuit between the battery and the heating film is prevented, and the 3M viscose 8 on the inner side of the lower PI heating film insulating layer 7 can be pasted and fixed only by being attached to relevant equipment, so that the device is very convenient and has increased practicability;
the appearance of the communication wire harness 10 connected with the temperature acquisition and external equipment is of a wire-shaped structure, the surface of the communication wire harness 10 connected with the temperature acquisition and external equipment is provided with an insulating layer, and the communication wire harness 10 connected with the temperature acquisition and external equipment is provided with a temperature monitoring mechanism; the temperature monitoring mechanism of the communication wiring harness 10 for temperature acquisition and external equipment connection includes: the temperature acquisition NTC9 is integrated on the heating resistance wire 6 and used as a temperature acquisition sensor, so that the device has a temperature monitoring function, when the heating resistance wire 6 works, heat is generated, and is transmitted to the temperature acquisition NTC9 for processing through a communication wire harness 10 connected with external equipment for temperature acquisition, the real-time monitoring of the temperature of the heating film is completed, the battery burnout caused by overheating of the heating film is prevented, and the safety is improved;
a plurality of wave crests 11 are arranged on the outer side of the upper PI heating film insulating layer 3, and the wave crests 11 are provided with anti-wrinkle mechanisms; the crease-resistant mechanism of crest 11 includes: the wave trough 12 is arranged at the outer side of the upper PI heating film insulating layer 3, the surface of the upper PI heating film insulating layer 3 is provided with a hollowed-out design 13, so that the device has an anti-wrinkle structure, the wavy edge design prolongs the edge line of the heating film compared with the common linear edge, when the tension of the aging edge of the heating film is released, the stress can be more dispersedly released on the edge line, thereby avoiding the edge of the heating film from raising and increasing the practicability, and the device is provided with the hollowed-out structure, because the hollowed-out design 13 is arranged on the surfaces of the upper PI heating film insulating layer 3, the polymer asbestos heat-insulating material 5, the heating resistance wire 6, the lower PI heating film insulating layer 7 and the 3M viscose 8, after the heating film of the device is straightly unfolded and fixed, the hollowed-out on the body can effectively reduce the stress accumulation on the heating film, so that the whole stress on the heating film is dispersed and is respectively released on each hollowed-out strip, the heating film is more durable in fixation and is not suitable for being warped in the middle;
the working principle is as follows: when the novel battery module heating film is used, firstly, the device is provided with wave crests 11 and wave troughs 12, the edge design of the heating film is changed into wave shapes, the edge line of the heating film is prolonged by comparing the wave edge design with the common linear edge, when the tension of the aging edge of the heating film is released, the stress can be more dispersedly released on the edge line, thereby avoiding the edge of the heating film from raising and increasing the practicability, and the device is provided with a hollow design 13, because the hollow design 13 is arranged on the surfaces of the upper PI heating film insulating layer 3, the macromolecular asbestos heat insulating material 5, the heating resistance wire 6, the lower PI heating film insulating layer 7 and the 3M viscose 8, after the heating film of the device is flatly unfolded and fixed, the hollow on the body can effectively reduce the stress accumulation on the heating film, so that the whole stress on the heating film is dispersed and is respectively released on each hollow strip, the heating film is more durable in fixation and is not suitable for being warped in the middle; cut apart according to the fretwork strip with the heating interval of heating film, the heating power of every heating interval can be defined by oneself, conveniently carries out meticulous management to the electric core heating, and fretwork design 13 is in the interval department of per two electric cores, but the tensile force on the heating film when producing deformation or small displacement between electric core, and furthest avoids heating film edge to appear upwarping.
To thereby carry out a series of tasks, the contents of which are not described in detail in the present specification are prior art well known to those skilled in the art.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A novel battery module heating film;
the heating film connector (1) is of a cuboid structure, anti-skid grains are arranged on the outer side of the heating film connector (1), and a heating mechanism is arranged on the heating film connector (1);
it is characterized by comprising:
the upper PI heating film insulating layer (3) is arranged on the upper layer of the heating film connector (1), the appearance of the upper PI heating film insulating layer (3) is of a sheet structure, and a wear-resistant heat insulation mechanism is arranged on the upper PI heating film insulating layer (3);
the temperature acquisition and external equipment connection communication harness (10) is in a wire-shaped structure, the surface of the temperature acquisition and external equipment connection communication harness (10) is provided with an insulating layer, and the temperature acquisition and external equipment connection communication harness (10) is provided with a temperature monitoring mechanism;
the wave crests (11) are arranged on the outer side of the upper PI heating film insulation layer (3), the wave crests (11) are multiple, and the wave crests (11) are provided with anti-wrinkle mechanisms.
2. The novel battery module heating film according to claim 1, wherein: the heating mechanism of the heating film connector (1) comprises:
the heating film connector high-voltage wire harness (2) is connected to the tail end of the heating film connector (1), and the heating film connector high-voltage wire harness (2) is connected with the heating resistance wire (6).
3. The novel battery module heating film according to claim 1, wherein: the wear-resistant heat insulation mechanism of the upper PI heating film insulation layer (3) comprises:
the high-silicone grease wear-resistant buffer memory sheet (4) is attached to the outer side of the upper PI heating film insulating layer (3) through glue;
and the polymer asbestos heat-insulating material (5) is clamped between the upper PI heating film insulating layer (3) and the heating resistance wire (6), and the lower PI heating film insulating layer (7) is arranged at the lower end of the heating resistance wire (6).
4. The novel battery module heating film according to claim 1, wherein: the temperature monitoring mechanism of the communication wiring harness (10) for temperature acquisition and external equipment connection comprises:
and the temperature acquisition NTC (9) is integrated on the heating resistance wire (6) and is used as a temperature acquisition sensor.
5. The novel battery module heating film according to claim 1, wherein: the anti-wrinkle mechanism of the wave crest (11) comprises:
the wave trough (12) is arranged on the outer side of the upper PI heating film insulating layer (3), and the surface of the upper PI heating film insulating layer (3) is provided with a hollowed-out design (13).
6. The novel battery module heating film according to claim 3, wherein: the lower PI heating film insulating layer (7) is further provided with:
and the 3M adhesive (8) is arranged on the inner side of the lower PI heating film insulating layer (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122729673.9U CN216250897U (en) | 2021-11-09 | 2021-11-09 | Novel battery module heating film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122729673.9U CN216250897U (en) | 2021-11-09 | 2021-11-09 | Novel battery module heating film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216250897U true CN216250897U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122729673.9U Active CN216250897U (en) | 2021-11-09 | 2021-11-09 | Novel battery module heating film |
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| Country | Link |
|---|---|
| CN (1) | CN216250897U (en) |
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2021
- 2021-11-09 CN CN202122729673.9U patent/CN216250897U/en active Active
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