CN216837774U - Heat insulation buffer cushion - Google Patents
Heat insulation buffer cushion Download PDFInfo
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- CN216837774U CN216837774U CN202122652751.XU CN202122652751U CN216837774U CN 216837774 U CN216837774 U CN 216837774U CN 202122652751 U CN202122652751 U CN 202122652751U CN 216837774 U CN216837774 U CN 216837774U
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- heat insulation
- silica gel
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- film layer
- polyester film
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Abstract
The utility model discloses a heat insulation cushion pad which comprises a glue film layer, a polyester film layer and a silica gel heat insulation layer; the glue film layer with the polyester film layer is two-layer about being and outside-in sets gradually the upper and lower both sides of silica gel insulating layer. According to the utility model, the glue film layer and the polyester film layer are sequentially overlapped on the upper and lower layers of the silica gel heat insulation layer from outside to inside to form the cushion pad, and the polyester film layer and the silica gel heat insulation layer are combined by utilizing the characteristics of high hardness and high toughness of the polyester film and the heat insulation capability of the silica gel heat insulation layer, so that the pressure resistance and the heat insulation capability of the whole cushion pad are improved, the cushion pad has excellent pressure resistance and heat insulation performance, and the battery cell can be effectively protected.
Description
Technical Field
The utility model relates to the technical field of new energy electric automobile batteries, in particular to a heat insulation cushion pad.
Background
In the development process of new energy automobiles, the power battery is used as the heart of the new energy automobiles and has a very important function of providing enough power for the automobiles to drive the automobiles to move forward. And the battery can appear the inflation phenomenon at the charge-discharge in-process, and this kind of phenomenon can cause serious explosion consequence, at this moment need avoid the excessive inflation of battery module through putting into the blotter between battery module.
The conventional commonly-used cushion pad is generally made of rubber, and the rubber has flame retardance, rebound resilience and insulating property as a high polymer, but has poor heat insulation effect and insufficient compression resistance, and cannot bear super-large load.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the utility model provides a thermal-insulated blotter reduces the thermal transmission of battery, protection electricity core when effectively cushioning the pressure that the inflation produced between the battery module.
In order to solve the technical problems, the utility model adopts the technical scheme that:
a heat insulation cushion pad comprises a glue film layer, a polyester film layer and a silica gel heat insulation layer;
the glue film layer with polyester film layer is two-layer about and outside-in sets gradually the upper and lower both sides of silica gel insulating layer.
Further, the silica gel heat insulation layer comprises silica gel and heat insulation cotton;
the silicon rubber is arranged around the heat insulation cotton, and the silicon rubber and the heat insulation cotton form the silica gel heat insulation layer with a square-shaped structure.
Furthermore, the thickness of the two adhesive film layers is 0.05-0.15 mm.
Furthermore, the thickness of the two polyester film layers is 0.25-0.35 mm.
Further, the thickness of silica gel insulating layer is 1.5 ~ 2.5 mm.
Further, the adhesive film layer is made of acrylic adhesive.
The utility model has the beneficial effects that: the utility model provides a heat-insulating buffer cushion, wherein a rubber film layer and a polyester film layer are sequentially overlapped on an upper silica gel heat-insulating layer and a lower silica gel heat-insulating layer from outside to inside to form the buffer cushion, and the polyester film layer and the silica gel heat-insulating layer are combined by utilizing the characteristics of high hardness and high toughness of the polyester film and the heat-insulating capability of the silica gel heat-insulating layer, so that the compression resistance and the heat-insulating capability of the whole buffer cushion are improved, the buffer cushion has excellent compression resistance and heat-insulating capability, the pressure generated by expansion among battery modules is effectively buffered, the heat transfer of the battery is reduced, and a battery core is protected.
Drawings
Fig. 1 is a schematic structural view of a heat insulation cushion.
Description of the reference symbols:
1. a glue film layer; 2. a polyester film layer; 3. a silica gel heat insulation layer; 31. silicone rubber; 32. and (4) heat insulation cotton.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Before this point, it should be noted that the schematic structural diagram of fig. 1 in the drawings of the present invention only shows the connection relationship and the corresponding position relationship of the layers constituting the thermal insulation cushion, the thickness ratio between the layers in the drawings does not represent the actual thickness ratio between the layers, and the thickness ratio between the layers is based on the description in the embodiments.
Referring to fig. 1, a heat insulation cushion pad includes a glue film layer, a polyester film layer and a silica gel heat insulation layer;
the glue film layer with the polyester film layer is two-layer about being and outside-in sets gradually the upper and lower both sides of silica gel insulating layer.
It can be known from the above-mentioned description, form the blotter through the upper and lower layer with the laminating of rete and polyester film layer in proper order outside-in stack at the silica gel insulating layer, utilize polyester film's high rigidity and the heat-insulating ability of high tenacity and silica gel insulating layer, combine together polyester film layer and silica gel insulating layer to improve the compressive capacity and the heat-insulating ability of whole blotter, make the blotter have superior compressive property and heat-insulating property, reduce the thermal transmission of battery when effectively cushioning the pressure that the inflation produced between the battery module, protect electric core.
Further, the silica gel heat insulation layer comprises silica gel and heat insulation cotton;
the silicon rubber is arranged around the heat insulation cotton, and the silicon rubber and the heat insulation cotton form the silica gel heat insulation layer with a square-shaped structure.
According to the description, the silicon rubber and the heat insulation cotton are combined to form the silica gel heat insulation layer, the buffering capacity of the whole buffering cushion can be further improved through the silicon rubber, the heat conductivity coefficient of the heat insulation cotton is low, the heat transfer can be reduced, the temperature rise of the battery core is avoided, the flame retardant and high temperature resistant performances are achieved, and the battery core is effectively protected.
Furthermore, the thickness of the two adhesive film layers is 0.05-0.15 mm.
As can be seen from the above description, the thickness of the adhesive film layer is limited between 0.05 mm and 0.15mm, so that the viscosity is ensured, the overall thickness of the cushion pad is prevented from being too large, and the industrial production requirement is met.
Furthermore, the thickness of the two polyester film layers is 0.25-0.35 mm.
As can be known from the above description, the thickness of the polyester film layer is limited to 0.25-0.35 mm, so that the polyester film layer is ensured to have better high hardness and toughness, is not easy to damage, effectively plays a role in protecting the battery cell, and further improves the overall strength of the cushion pad.
Further, the thickness of silica gel insulating layer is 1.5 ~ 2.5 mm.
As can be seen from the above description, the thickness of the silica gel heat insulation layer is limited to be 1.5-2.5 mm, and the silica gel heat insulation layer is thicker, so that the optimal heat insulation, pressure resistance and buffering effects are achieved.
Further, the film layer is made of acrylic glue.
As can be seen from the above description, the acrylic adhesive has the characteristics of high bonding strength and good film-forming property, can be bonded with various materials such as metal, nonmetal and the like, can be rapidly cured at room temperature, is convenient to use, and further improves the overall performance of the cushion pad.
Referring to fig. 1, a first embodiment of the present invention is:
A heat insulation cushion pad is used between a battery cell and comprises a glue film layer 1, a polyester film layer 2 and a silica gel heat insulation layer 3.
As shown in fig. 1, the glue film layer 1 and the polyester film layer 2 are both upper and lower layers and are sequentially disposed on the upper and lower sides of the silica gel heat insulation layer 3 from outside to inside.
The conventional cushion pad does not have the capability of bearing high extrusion, so that the deformation phenomenon is easy to occur, the buffering effect is poor, and the battery cell has certain risks. In this embodiment, the cushion pads are formed by sequentially superposing the adhesive film layer 1 and the polyester film layer 2 from outside to inside on the upper and lower layers of the silica gel heat insulation layer 3, and the characteristics of high hardness and high toughness of the polyester film and the heat insulation capability of the silica gel heat insulation layer 3 are utilized, wherein the polyester film is combined with the silica gel, so that when the cushion pads receive pressure, the force can be transmitted to the polyester film part, the extrusion resistance and deformation resistance of the whole cushion pads are improved, 30000N pressure can be borne to the maximum extent, the thickness is basically unchanged, and deformation is avoided, pressure generated by expansion of the battery cell can be effectively relieved, and meanwhile, the silica gel heat insulation layer 3 can also block heat diffusion, so that the cushion pads have excellent heat insulation performance, and the battery cell can be effectively protected.
Referring to fig. 1, a second embodiment of the present invention is:
on the basis of the first embodiment, in the present embodiment, as shown in fig. 1, the silica gel heat insulation layer 3 includes a silica gel 31 and a heat insulation cotton 32, wherein the silica gel 31 is disposed around the heat insulation cotton 32, and the silica gel 31 and the heat insulation cotton 32 form the silica gel heat insulation layer 3 with a zigzag structure.
In this embodiment, combine together silicon rubber 31 and thermal-insulated cotton 32 and form silica gel insulating layer 3, wherein silicon rubber 31 can further improve the buffer capacity of whole blotter, and thermal conductivity coefficient of thermal-insulated cotton 32 is low, can reduce thermal transmission, avoids the rising of electric core temperature, and has fire-retardant and high temperature resistance's performance, further realizes effectual protection electric core.
The third embodiment of the utility model is as follows:
on the basis of the first embodiment or the second embodiment, in the embodiment, the adhesive film layer 1 is made of acrylic adhesive, and the acrylic adhesive has the characteristics of high adhesive strength and good film forming property, can be adhered to various materials such as metal and nonmetal, can be quickly cured at room temperature, and is convenient to use, so that the overall performance of the cushion can be greatly improved by using the adhesive film layer 1 made of the acrylic adhesive.
Wherein, the thickness of two-layer glued membrane layer 1 all is between 0.05 ~ 0.15mm, can avoid the whole thickness of blotter too big when guaranteeing the stickness, accords with the industrial production requirement.
The fourth embodiment of the utility model is as follows:
on the basis of any one of the first embodiment to the third embodiment, in the embodiment, the thicknesses of the two polyester film layers 2 are 0.25-0.35 mm, so that the high hardness and toughness of the cushion can be guaranteed, the cushion is not easy to damage, the effect of protecting a battery cell is effectively achieved, and the overall strength of the cushion is further improved.
In addition, the thickness of the silica gel heat insulation layer 3 is controlled to be 1.5-2.5 mm, namely the silica gel heat insulation layer is thicker, and the optimal heat insulation, pressure resistance and buffering effects can be achieved.
In summary, according to the heat insulation cushion pad provided by the utility model, the cushion pad is formed by sequentially superposing the adhesive film layer and the polyester film layer on the upper and lower silica gel heat insulation layers from outside to inside, and the polyester film layer and the silica gel heat insulation layer are combined by utilizing the characteristics of high hardness and high toughness of the polyester film and the heat insulation capability of the silica gel heat insulation layer, so that the pressure resistance and the heat insulation capability of the whole cushion pad are improved, the cushion pad has excellent pressure resistance and heat insulation performance, and the battery cell can be effectively protected. The silica gel heat insulation layer is composed of heat insulation cotton in the middle and silicon rubber arranged around the middle, the buffering capacity of the whole buffer cushion is further improved through the silicon rubber, heat transfer is reduced through the heat insulation cotton, the temperature of the battery cell is prevented from rising, and the battery cell is further effectively protected; meanwhile, the adhesive film layer is made of acrylic adhesive, so that the overall performance of the cushion pad is further improved; in addition, the thickness of each layer structure is limited so as to further ensure the pressure resistance and the heat insulation performance of the whole heat insulation cushion pad.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (5)
1. A heat insulation cushion pad is characterized by comprising a film adhesive layer, a polyester film layer and a silica gel heat insulation layer;
the silica gel heat insulation layer is arranged on the upper side and the lower side of the base plate;
the silica gel heat insulation layer comprises silica gel and heat insulation cotton;
the silicon rubber is arranged around the heat insulation cotton, and the silicon rubber and the heat insulation cotton form the silica gel heat insulation layer with a square-shaped structure.
2. The thermal insulating cushion pad of claim 1, wherein the thickness of each of the two adhesive film layers is 0.05-0.15 mm.
3. The thermal insulating cushion pad of claim 1, wherein the thickness of the two polyester film layers is 0.25-0.35 mm.
4. The heat insulation cushion pad of claim 1, wherein the silica gel heat insulation layer has a thickness of 1.5-2.5 mm.
5. The thermal insulating cushion pad of claim 4, wherein the adhesive layer is acrylic adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122652751.XU CN216837774U (en) | 2021-11-02 | 2021-11-02 | Heat insulation buffer cushion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122652751.XU CN216837774U (en) | 2021-11-02 | 2021-11-02 | Heat insulation buffer cushion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216837774U true CN216837774U (en) | 2022-06-28 |
Family
ID=82098214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122652751.XU Active CN216837774U (en) | 2021-11-02 | 2021-11-02 | Heat insulation buffer cushion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216837774U (en) |
-
2021
- 2021-11-02 CN CN202122652751.XU patent/CN216837774U/en active Active
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