CN220774514U - PCM prepreg heating film structure - Google Patents
PCM prepreg heating film structure Download PDFInfo
- Publication number
- CN220774514U CN220774514U CN202322387234.3U CN202322387234U CN220774514U CN 220774514 U CN220774514 U CN 220774514U CN 202322387234 U CN202322387234 U CN 202322387234U CN 220774514 U CN220774514 U CN 220774514U
- Authority
- CN
- China
- Prior art keywords
- heating
- insulating
- heating layer
- layer
- pcm
- 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.)
- Active
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 144
- 239000004593 Epoxy Substances 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 24
- 238000000034 method Methods 0.000 abstract description 14
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 7
- 238000000748 compression moulding Methods 0.000 description 5
- 239000002131 composite material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003733 fiber-reinforced composite Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Secondary Cells (AREA)
Abstract
The utility model relates to the technical field of battery pack production, in particular to a PCM prepreg heating film structure; comprises a first insulating heating layer, a heating part and a second insulating heating layer; a heating part is arranged between the first insulating heating layer and the second insulating heating layer, so that the heating part can conduct heat to the first insulating heating layer and the second insulating heating layer to heat the battery cell when heating; compared with the prior art, the utility model has the advantages that the first insulating heating layer, the heating part and the second insulating heating layer are arranged, the first insulating heating layer and the second insulating heating layer are both PCM epoxy plate layers, the insulation is realized, the heating can be realized synchronously, the cost of the PCM epoxy plate is greatly lower than that of the FR4 epoxy plate, the material cost can be greatly reduced, and secondly, the two independently arranged heating plates and insulating plates in the prior art can be replaced by one insulating heating plate, so that the production procedures are reduced, the production efficiency is improved, and the production cost is further reduced.
Description
Technical Field
The utility model relates to the technical field of battery pack production, in particular to a PCM prepreg heating film structure.
Background
In the prior art, a Battery Pack (Battery Pack) is an integral unit assembled from a plurality of Battery modules for storing and supplying electric energy. It is a higher-level component in a battery system, and is generally composed of several battery modules, connectors, a battery management system (Battery Management System, abbreviated as BMS), a heat dissipation system, an electrical interface, and a housing.
PCM (Prepreg Compression Molding), i.e. compression molding of prepregs, was mainly applied in the aerospace field at an early stage, and has been gradually applied in the civil field in recent years. The product manufactured by the PCM process has higher structural strength, so that the product is mostly applied to structural products and has higher requirements on the strength and the performance of the product; the product manufactured by the PCM process has better double-sided surface effect and is also partially used for appearance parts. The product manufactured by the PCM process has higher shape and size precision and can be used for parts with higher assembly precision. Prepreg molding (i.e., PCM process) refers to placing a molding compound into a metal mold and curing under pressure at a temperature to form a composite article. The continuous fiber reinforced composite material product formed by adopting the prepreg compression molding process has the advantages of light weight, corrosion resistance, high specific strength, good stability and the like, and can be applied to manufacturing and forming of composite material battery boxes.
In the protection structure of the battery pack, based on the requirement of a user, a part of design is that a heating layer is arranged on the bottom surface of a box body (heating is carried out on an electric core), an insulating layer is arranged on the top surface of the box body, and the heating is carried out because the conversion rate of the battery is lower when the temperature is lower, so that the electric core is required to be heated, and the working efficiency of the battery is improved; the insulation plays a role in isolation and protection, so that short-circuit accidents are avoided; however, in the prior art, the heating layer is mainly prepared from an FR4 epoxy board, and a heating core is arranged between two layers of FR4 epoxy boards, so that the battery core is effectively heated; whereas the insulating layer is typically a PCM epoxy board or an insulating layer made of other epoxy resins; based on the setting of zone of heating and insulating layer among the prior art, its manufacturing cost is still higher (mainly the cost of FR4 epoxy board is higher), and zone of heating and insulating layer set up separately, also can increase production technology and process, lead to production efficiency to reduce, and manufacturing cost further increases.
Based on the above problems, we propose a PCM prepreg heating film structure.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides a PCM prepreg heating film structure which can effectively solve the problems in the background art after being improved.
The technical scheme of the utility model is as follows:
the PCM prepreg heating film structure comprises a first insulating heating layer, a heating part and a second insulating heating layer;
a heating part is arranged between the first insulating heating layer and the second insulating heating layer, so that the heating part can conduct heat to the first insulating heating layer and the second insulating heating layer to heat the battery cell when heating; the first insulating heating layer and the second insulating heating layer are respectively provided with a heat conduction hole, and the first insulating heating layer, the heating part and the second insulating heating layer are fixed through pressing.
Furthermore, the first insulating heating layer and the second insulating heating layer are both PCM epoxy plate layers, and the structural shapes of the first insulating heating layer and the second insulating heating layer are the same.
Further, the heating part is a heating core.
Further, the heating part is also connected with a connector through a wire.
Furthermore, the part of the welding layer, exposed outside the first insulating heating layer and the second insulating heating layer, of the heating part is coated with silica gel ear materials.
The beneficial effects of the utility model are as follows:
compared with the prior art, the utility model has the advantages that the first insulating heating layer, the heating part and the second insulating heating layer are arranged, the first insulating heating layer and the second insulating heating layer are both PCM epoxy plate layers, the insulation is realized, the heating can be realized synchronously, the cost of the PCM epoxy plate is greatly lower than that of the FR4 epoxy plate, the material cost can be greatly reduced, and secondly, the utility model uses one insulating heating plate to replace two heating plates and insulating plates which are independently arranged in the prior art, thereby reducing the production process and working procedures, improving the production efficiency and further reducing the production cost.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is an exploded view of the present utility model.
In the figure, 1, a first insulating heating layer; 2. a heating section; 3. a second insulating heating layer; 4. a wire; 5. a connector; 6. silica gel ear material; 7. and the heat conducting holes.
Detailed Description
The following is a further description of embodiments of the utility model, taken in conjunction with the accompanying drawings:
as shown in fig. 1-2, the PCM prepreg heating film structure comprises a first insulating heating layer 1, a heating portion 2, and a second insulating heating layer 3; the heating part 2 is a heating core; a heating part 2 is arranged between the first insulating heating layer 1 and the second insulating heating layer 3, so that the heating part 2 can conduct heat to the first insulating heating layer 1 and the second insulating heating layer 3 to heat the electric core when heating; the first insulating heating layer 1 and the second insulating heating layer 3 are respectively provided with a heat conducting hole 7, the heat conducting holes 7 can accelerate heat conduction efficiency, and the first insulating heating layer 1, the heating part 2 and the second insulating heating layer 3 are fixed through lamination; the first insulating heating layer 1 and the second insulating heating layer 3 are of film-like structures, can be fixed by high-temperature lamination, and effectively fix the heating portion 2 inside between the first insulating heating layer 1 and the second insulating heating layer 3.
As a preferred embodiment; the first insulating heating layer 1 and the second insulating heating layer 3 are both PCM epoxy plate layers, the PCM epoxy plate can also be called a PCM epoxy film, and is a product manufactured through a PCM process, specifically a prepreg compression molding, and a continuous fiber reinforced composite material product formed through a prepreg compression molding process is formed; by adopting the PCM epoxy plate layer, the insulation performance of the structure can be realized, the heating effect can be synchronously realized, the cost is greatly reduced, the production flow is simplified, and the structure is safer and more reliable; in addition, the PCM epoxy board compares with FR4 epoxy board, can reduce the pressfitting temperature, shortens the pressfitting time to reduce the production degree of difficulty, production efficiency is high, and simultaneously, the PCM epoxy board is more easily with metal material pressfitting an organic wholes such as steel sheet, aluminum plate, and then can enlarge its range of application, and the structural shape of first insulating heating layer 1 and second insulating heating layer 3 is the same.
As a preferred embodiment; the heating part 2 is also connected with a connector 5 through a wire 4. Through being equipped with wire 4 and connector 5, can control at any time and open or close the heating core, realize efficient heating effect, can reduce the power consumption simultaneously.
As a preferred embodiment; the welding layer part of the heating part 2 exposed outside the first insulating heating layer 1 and the second insulating heating layer 3 is coated with a silica gel ear material 6. The silica gel ear material 6 has an insulating effect, and prevents the solder layer from being exposed, thereby ensuring the safe use of the heating part 2.
It should be noted that the main problems in the prior art are: in the prior art, the battery pack is insulated and heated mainly through the heating layer and the insulating layer which are arranged independently, but the FR4 epoxy board is adopted in the heating part, so that the cost is high, and the improvement of the enterprise benefit is not facilitated; secondly, the heating layer and the insulating layer are arranged separately, so that the production process and working procedures are increased, the production efficiency is reduced, and the production cost is further increased.
So, through the improvement back of this application, first insulating heating layer 1 and second insulating heating layer 3 all adopt the PCM epoxy board, and the with low costs of PCM epoxy board can also realize insulating and heating's effect simultaneously, avoids separately setting up heating layer and insulating layer, and then reduces production technology and process, is favorable to production efficiency's improvement to and can further reduce manufacturing cost.
It is worth mentioning that the insulating effect is not affected while heating in the structure, meanwhile, the heating temperature is in a control range, the PCM epoxy board is not damaged during heating, the structure is safe and reliable, the cost is reduced, the production process and working procedures are reduced, and the production efficiency is improved; in addition, this structure is in the in-process of using, also pressfitting its pressfitting in one side of battery package box through the mode of high temperature pressfitting, and need be connected with electric core contact for this structure can be with heat conduction to electric core when the heating, heats electric core, can realize insulating isolation protection's effect to battery package box simultaneously.
The above embodiments are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.
Claims (5)
- Pcm prepreg heating film structure, characterized in that:comprises a first insulating heating layer, a heating part and a second insulating heating layer;a heating part is arranged between the first insulating heating layer and the second insulating heating layer, so that the heating part can conduct heat to the first insulating heating layer and the second insulating heating layer to heat the battery cell when heating; the first insulating heating layer and the second insulating heating layer are respectively provided with a heat conduction hole, and the first insulating heating layer, the heating part and the second insulating heating layer are fixed through pressing.
- 2. The PCM prepreg heating film structure according to claim 1, wherein: the first insulating heating layer and the second insulating heating layer are PCM epoxy plate layers, and the structural shapes of the first insulating heating layer and the second insulating heating layer are the same.
- 3. The PCM prepreg heating film structure according to claim 2, wherein: the heating part is a heating core.
- 4. A PCM prepreg heating film structure according to claim 3, wherein: the heating part is also connected with a connector through a wire.
- 5. The PCM prepreg heating film structure according to claim 4, wherein: the heating part is exposed outside the first insulating heating layer and the second insulating heating layer, and the part of the welding layer is coated with silica gel ear materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322387234.3U CN220774514U (en) | 2023-09-01 | 2023-09-01 | PCM prepreg heating film structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322387234.3U CN220774514U (en) | 2023-09-01 | 2023-09-01 | PCM prepreg heating film structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220774514U true CN220774514U (en) | 2024-04-12 |
Family
ID=90599572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322387234.3U Active CN220774514U (en) | 2023-09-01 | 2023-09-01 | PCM prepreg heating film structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220774514U (en) |
-
2023
- 2023-09-01 CN CN202322387234.3U patent/CN220774514U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109986860B (en) | Fiber metal composite laminate and forming die and forming method thereof | |
| CN105914316B (en) | Soft package power lithium ion battery module | |
| CN102569825B (en) | Conductive plastic composite electrode and manufacture method therefor | |
| CN101847755B (en) | Heteromorphic high-rate polymer lithium ion battery | |
| CN209389089U (en) | Battery module frame structure | |
| CN209515770U (en) | A kind of high-energy density soft-package battery mould group | |
| WO2022268033A1 (en) | Case, battery pack, and vehicle | |
| CN217035874U (en) | Module lossless disassembling structure and battery pack | |
| CN105848450A (en) | Manufacturing method of composite lightweight flexible high thermal conduction carbon/metal connection member | |
| CN220774514U (en) | PCM prepreg heating film structure | |
| CN109004132A (en) | A method of battery pack is improved using composite sandwich plate structure | |
| CN102842700A (en) | Poly lithium battery structure with high capacity and high output ratio power | |
| CN113370441A (en) | Carbon fiber metal laminate and hot stamping forming method thereof | |
| CN112038653A (en) | Enhanced bipolar plate structure and manufacturing method | |
| CN111600057A (en) | Composite material structure battery with curved surface structure and preparation method and application thereof | |
| CN102074710B (en) | Die for preparing integrated electrode for full-vanadium liquid flow energy storage battery and application thereof | |
| CN208078046U (en) | Laminate polymer battery module and power battery of easily assembling | |
| CN217835030U (en) | Multipoint combined type electric heating laminating machine | |
| CN109346630A (en) | Laminate polymer battery module structure and power battery | |
| CN206179916U (en) | Soft packet of power lithium ion battery module | |
| CN213583987U (en) | Hardware battery heat preservation system | |
| CN109411653A (en) | Soft packet of group battery and power battery | |
| CN111600056B (en) | Preparation method of energy storage composite material structure battery | |
| CN202930468U (en) | High-capacity and high-output ratio power polymer lithium battery structure | |
| CN209434353U (en) | Battery modules encapsulating structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |