CN220341333U - Frame type heat insulation pad - Google Patents
Frame type heat insulation pad Download PDFInfo
- Publication number
- CN220341333U CN220341333U CN202321781683.XU CN202321781683U CN220341333U CN 220341333 U CN220341333 U CN 220341333U CN 202321781683 U CN202321781683 U CN 202321781683U CN 220341333 U CN220341333 U CN 220341333U
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- China
- Prior art keywords
- frame
- heat insulation
- area
- framed
- adhesive film
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- 238000009413 insulation Methods 0.000 title claims abstract description 70
- 239000011162 core material Substances 0.000 claims abstract description 66
- 239000002313 adhesive film Substances 0.000 claims abstract description 51
- 229920006280 packaging film Polymers 0.000 claims abstract description 21
- 239000012785 packaging film Substances 0.000 claims abstract description 21
- 239000004964 aerogel Substances 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 10
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 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
- 238000004806 packaging method and process Methods 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 5
- 238000013329 compounding Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 42
- 239000003292 glue Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 239000000805 composite resin Substances 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 239000002121 nanofiber Substances 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Landscapes
- Thermal Insulation (AREA)
Abstract
The utility model belongs to the field of heat insulation pads, and particularly relates to a frame type heat insulation pad. The frame type heat insulation pad comprises a frame, heat insulation core materials are embedded in the frame, packaging films are compounded on the upper end face and the lower end face of the frame, each packaging film comprises an inner adhesive film layer and an outer adhesive film layer, each adhesive film layer comprises a frame-shaped bonding area bonded on the frame, and a blank area without adhesive films is arranged on the inner side of each frame-shaped bonding area. According to the frame type heat insulation pad provided by the utility model, the frame-shaped bonding area of the adhesive film layer is used for bonding and compounding with the frame, so that the packaging of a product is realized, and the blank area without the adhesive film is arranged at the inner side of the frame-shaped bonding area, so that the consumption of the adhesive film layer is reduced, and on the other hand, the bonding area of the heat insulation core material and the adhesive film is reduced due to the blank area, the bonding of the adhesive film to the heat insulation core material is reduced, and a room is reserved for recycling the heat insulation core material.
Description
Technical Field
The utility model belongs to the field of heat insulation pads, and particularly relates to a frame type heat insulation pad.
Background
The frame type heat insulation pad is one of the most widely used varieties of heat insulation pad products. The frame heat insulation pad is mainly applied to between the new energy battery modules, so that on one hand, a heat insulation effect is achieved, on the other hand, mutual extrusion and friction between adjacent battery modules are prevented, and therefore thermal runaway and ignition of the battery modules are effectively prevented.
A typical structure of the frame-type heat insulation pad is shown in fig. 1 and 2, and includes a frame 1, a heat insulation core material 2 embedded in the frame 1, and upper and lower encapsulation films 3 encapsulating the heat insulation core material 2 in the frame. The frame plays roles of buffering external force, fixing the heat-insulating core material, preventing the heat-insulating core material from being damaged and the like, and typical frame materials can be silica gel and the like. The packaging film finished product is of a multi-layer structure and comprises an organic film layer 30, an adhesive film layer 31 and a release film layer which are laminated together from top to bottom, when the packaging film is used, the release film layer is uncovered, the upper end face and the lower end face of the frame are covered in a fitting way, and then vacuum hot pressing is carried out by a vacuum hot press, so that the finished frame heat insulation pad is manufactured.
Because the vacuum hot-pressing composite process is adopted, the organic film layer of the packaging film is tightly adhered to the surfaces of the heat-insulating core material and the frame under the action of the whole adhesive film layer, and the surface of an ideal qualified product is flat, and the organic film layer is tightly adhered to the frame and the heat-insulating core material. However, in actual production, due to the fact that the edge membrane material is brought up by the cutter, the phenomenon of product hollowing can be caused, the product hollowing not only affects the attractiveness, but also can cause the thickness dimension of the product to change, and then the normal use in the battery module is affected.
The size of the adhesive film layer of the packaging film is consistent with that of the organic film layer, the adhesive film is large in dosage, once unqualified products such as hollows appear, the adhesive film layer of the whole block is firmly adhered with the heat-insulating core material, when the heat-insulating core material of the unqualified products is recycled, the difficulty that the packaging film is torn off from the heat-insulating core material is large, and the surface structure of the aerogel heat-insulating core material is possibly damaged in the process, so that recycling of the products cannot be realized.
Disclosure of Invention
The utility model aims to provide a frame type heat insulation pad, which solves the problems that the packaging film of the existing frame type heat insulation pad is large in glue amount and the heat insulation core material is not easy to recycle.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a frame type heat insulating mattress, includes the frame, the frame is embedded to have thermal-insulated core material, the upper and lower terminal surface of frame is last to be compounded with the packaging film, the packaging film is including inside and outside glued membrane layer, the organic rete that sets up, glued membrane layer is including bonding frame shape bonding area on the frame, the inboard in frame shape bonding area is provided with the blank area that leaves of no glued membrane.
According to the frame type heat insulation pad provided by the utility model, the frame-shaped bonding area of the adhesive film layer is used for bonding and compounding with the frame, so that the packaging of a product is realized, and the blank area without the adhesive film is arranged at the inner side of the frame-shaped bonding area, so that the consumption of the adhesive film layer is reduced, and on the other hand, the bonding area of the heat insulation core material and the adhesive film is reduced due to the blank area, the bonding of the adhesive film to the heat insulation core material is reduced, and a room is reserved for recycling the heat insulation core material.
Preferably, the inner side of the frame-shaped bonding area is free of adhesive films, and the blank area is a frame inner side area of the frame-shaped bonding area. Under this kind of design, the organic rete of thermal-insulated core material and encapsulation membrane does not have the glued membrane laminating, and the quantity of glued membrane is the most provincial, because thermal-insulated core material and organic rete are basically unbonded in addition, when needs retrieve thermal-insulated core material, organic rete can conveniently be peeled off from thermal-insulated core material, does not destroy aerogel class thermal-insulated core material structure, and the recycle of product is most convenient.
Further preferably, the frame-shaped bonding area is a square bonding area, and the blank-keeping area is a square blank-keeping area. The square heat insulation pad is a main stream product in the market, and has wide application range and strong adaptability.
Preferably, the adhesive film layer further comprises a heat insulation core material bonding area arranged on the inner side of the frame-shaped bonding area, a space is arranged between the heat insulation core material bonding area and the frame-shaped bonding area, and the space forms the blank area. At this time, a local bonding area is further arranged on the inner side of the frame-shaped bonding area to bond the heat-insulating core material, and the local bonding area is mainly used for positioning during product manufacturing, and due to the existence of the spaced blank areas, the consumption of adhesive films can be reduced, and the heat-insulating core material can be conveniently recovered.
Further preferably, the area of the blank area is larger than the area of the heat-insulating core material bonding area. On the premise of meeting basic positioning, the larger the area of the blank area is, the more the consumption of the adhesive film is reduced.
More preferably, the number of the heat-insulating core material bonding areas is one and bonded to the middle portion of the heat-insulating core material. The adhesive film is less in dosage under the condition, and good positioning effect can be achieved.
Preferably, the thickness of the adhesive film layer is 0.015-0.03 mm. The adhesive layer can achieve good encapsulation effect within the thickness range.
Preferably, the heat insulation core material is an aerogel heat insulation core material containing aerogel. The aerogel heat insulation core material has the characteristics of light weight and good heat insulation effect.
Preferably, the frame is a silica gel frame. The silica gel frame has certain elasticity, can play a good buffering role, and also has a good protection role on the heat insulation core material in the frame.
Drawings
FIG. 1 is a schematic view of a conventional frame-type heat insulation mat;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is a schematic diagram of a packaging film for manufacturing a frame-type heat insulation pad according to the present utility model;
FIG. 4 is a schematic view of a frame-type heat insulation mat according to the present utility model;
FIG. 5 is a schematic cross-sectional view of FIG. 4;
wherein, 1-frame; 2-a heat insulating core material; 3-packaging film; 30-an organic film layer; 31-a glue film layer; 32-releasing film layer; 4-an adhesive film unit; 40-frame-shaped bonding areas; 41-blank area.
Detailed Description
Aiming at the problems of large adhesive film consumption and large recycling difficulty of heat-insulating core materials of the existing frame type heat-insulating pad, the utility model is mainly designed for the adhesive film layer of the packaging film, the adhesive film at the corresponding position of the frame is reserved to meet the packaging requirement, and the adhesive film at the corresponding position of the heat-insulating core materials is not reserved or partially reserved so as to reduce or avoid the adhesion of the heat-insulating core materials, thereby achieving the purposes of reducing the adhesive film consumption and facilitating the recycling of the heat-insulating core materials.
Fig. 3 shows a schematic structural diagram of a packaging film adopted in the industrialized production of the frame-type heat insulation pad of the utility model, wherein the organic film layer 30 and the release film layer 32 are the same as those in the prior art, and the adhesive film layer adopts non-integral coating, namely, adopts a mode of arranging a plurality of adhesive film units 4 at intervals, and no adhesive film exists between the adhesive film units 4. The adhesive film unit 4 includes a frame-shaped adhesive area 40, and an adhesive film is not formed on the inner side of the frame-shaped adhesive area to form a blank area 41, in which case, the adhesive film is not formed at the corresponding position of the heat insulation core material, and the heat insulation core material of the frame-type heat insulation pad product is attached to the adhesive film-free organic film layer.
The utility model will now be described in more detail with reference to the drawings and examples.
Example 1
The frame-type heat insulation pad adopts a non-adhesive film bonding design of the heat insulation core material, namely, the frame is bonded by using a frame-shaped bonding area of an adhesive film layer only at the corresponding position of the frame, the whole inside of the frame-shaped bonding area is left white, and the heat insulation core material is bonded with an organic film layer non-adhesive film of a packaging film.
The schematic structural diagrams of the mode are shown in fig. 4 and 5, the frame type heat insulation pad comprises a frame 1, a heat insulation core material 2 is embedded in the frame 1, and packaging films 3 are compounded on the upper end face and the lower end face of the frame. The packaging film comprises an adhesive film layer 31 and an organic film layer 30 which are arranged inside and outside, the adhesive film layer 31 comprises a frame-shaped bonding area which is bonded on the end face of the frame, and an adhesive film is not arranged on the inner side of the frame-shaped bonding area, so that a blank area is formed. The organic film layer 30 is bonded to the frame 1 through the frame-shaped bonding region, and the packaging of the heat-insulating core material is realized. The blank area is free of adhesive film, and the heat insulation core material 2 is tightly attached to the organic film layer 30.
In this example, the frame is square, and the corresponding frame-shaped bonding area is a square bonding area consistent with the upper and lower end surfaces of the frame. The inner side of the square bonding area is integrally left white to form a square white area.
The frame is a silica gel frame, has better elasticity and mechanical property, and can more effectively play roles of buffering and protecting.
The heat-insulating core material is an aerogel-containing heat-insulating core material, and may be any of, for example, an aerogel-containing wet fiber felt, a needled fiber felt, foam, nonwoven fabric, and a resin composite sheet. In other embodiments of the present embodiment, the thermal insulation core material may be a wet fiber mat, a needled fiber mat, foam, nonwoven fabric, hollow microsphere resin composite board, foam, nanofiber board, mica board, or the like, which does not contain aerogel.
The adhesive film used in the adhesive film layer can be of a resin type or a rubber type, and the resin type can also be selected from conventional thermoplastic and thermosetting types. The thickness of the adhesive film layer is controlled to be 0.015-0.03 mm, so that good packaging effect can be achieved, and the thickness can be 0.02mm, 0.03mm and the like.
The organic film layer can be selected from conventional variety, such as PET film, PEN film, PI film, PC film, PE film, PVC film, PTFE film, etc.
Example 2
The frame-shaped heat insulation pad of the embodiment adopts a local bonding design for the heat insulation core material part, namely, the frame is bonded by using the frame-shaped bonding area of the adhesive film layer at the corresponding position of the frame, the heat insulation core material bonding area is arranged in the frame-shaped bonding area, the heat insulation core material bonding area is separated from the frame-shaped bonding area, and the separated area is reserved for bonding of the heat insulation core material and the adhesive film-free corresponding part of the organic film layer.
The frame type heat insulation pad of the embodiment comprises a square frame, wherein a square heat insulation core material is embedded in the square frame, and packaging films are compounded on the upper end face and the lower end face of the square frame. The packaging film comprises an inner and an outer composite organic film layers and a film layer, wherein the film layer comprises a square frame-shaped bonding area bonded on the square frame, and a middle bonding area bonded on the middle of the heat-insulating core material is further arranged on the inner side of the square frame-shaped bonding area.
The middle bonding area and the outer square bonding area are mutually separated, the separation areas form a blank area, and the area of the middle bonding area is far smaller than that of the blank area. In this example, the middle bonding area is a glue film point, the glue film point is used for preliminary bonding and positioning of the heat insulation core material during the manufacture of the frame type heat insulation pad, a space is arranged between the glue film point and the outer frame type bonding area, and the space part is a blank area without glue film.
The structures of the heat insulation core material, the adhesive film layer, the organic film layer and the like are the same as those of the prior art, and are not repeated here.
Claims (9)
1. The utility model provides a frame type heat insulating mattress, includes the frame, the frame is embedded to have thermal-insulated core material, the upper and lower terminal surface of frame is last to be compounded with the packaging film, the packaging film is including inside and outside glued membrane layer, the organic rete that sets up, its characterized in that, glued membrane layer is including bonding frame shape bonding area on the frame, the inboard in frame shape bonding area is provided with the blank area that leaves of no glued membrane.
2. The framed heat insulation mat of claim 1, wherein the inside of the framed adhesive area is free of adhesive film and the blank area is the inside of the frame of the framed adhesive area.
3. The framed heat insulation mat of claim 2, wherein the framed bonding area is a square bonding area and the blank space is a square blank space.
4. The framed heat insulating mat of claim 1, wherein the film layer further comprises a heat insulating core bonding region disposed inboard of the frame bonding region, the heat insulating core bonding region and the frame bonding region having a spacing therebetween, the spacing forming the blank space.
5. The framed heat insulation mat of claim 4, wherein the area of the blank space is greater than the area of the insulating core bond region.
6. The framed heat insulation mat of claim 5, wherein the number of heat insulation core bonding areas is one and bonded to the middle of the heat insulation core.
7. The framed heat insulation mat of claim 1, wherein the thickness of the film layer is from 0.015 to 0.03mm.
8. The framed heat insulation mat of claim 1, wherein the heat insulation core is an aerogel heat insulation core comprising aerogel.
9. The framed heat insulation mat of claim 1 or 8, wherein the frame is a silica gel frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321781683.XU CN220341333U (en) | 2023-07-07 | 2023-07-07 | Frame type heat insulation pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321781683.XU CN220341333U (en) | 2023-07-07 | 2023-07-07 | Frame type heat insulation pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220341333U true CN220341333U (en) | 2024-01-12 |
Family
ID=89447105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321781683.XU Active CN220341333U (en) | 2023-07-07 | 2023-07-07 | Frame type heat insulation pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220341333U (en) |
-
2023
- 2023-07-07 CN CN202321781683.XU patent/CN220341333U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |