CN220569767U

CN220569767U - Integral type battery heating film

Info

Publication number: CN220569767U
Application number: CN202322127493.2U
Authority: CN
Inventors: 赵明杰
Original assignee: Sycosys New Energy Technology Suzhou Co ltd
Current assignee: Sycosys New Energy Technology Suzhou Co ltd
Priority date: 2023-08-09
Filing date: 2023-08-09
Publication date: 2024-03-08
Anticipated expiration: 2033-08-09

Abstract

The utility model discloses an integrated battery heating film, which comprises a heating film component, wherein an upper heating gasket and a lower heating gasket are both composed of a heating film, a heat-conducting silica gel sheet, a heating resistance wire and a heat-conducting silica gel column, the bottom end of the heating film is fixedly connected with a plurality of heating rods, and the heat-conducting silica gel column is sleeved outside the heating rods; the upper heating gasket and the lower heating gasket are respectively arranged at the top end and the bottom end of the battery assembly, the heating gasket is composed of the heat conduction silica gel sheet and the heating resistance wire, the heating resistance wire can heat, the heat is conducted to the top end and the bottom end of the battery through the heat conduction silica gel sheet, the top and the bottom of the battery pack are heated, the heating rod and the heat conduction silica gel column are further arranged at the bottom of the heating diaphragm, the heating rod can enter an internal gap of the battery assembly, and accordingly heat is conducted through the heat conduction silica gel column to heat the interior of the battery, the whole battery can be heated in an omnibearing manner, heating uniformity is good, and meanwhile heating efficiency is high.

Description

Integral type battery heating film

Technical Field

The utility model relates to the technical field of battery heating, in particular to an integrated battery heating film.

Background

The utility model provides a power battery is the key spare part of new energy automobile, and the best operating temperature interval of lithium cell is 15 ~ 35 ℃, and lithium cell performance just can drop under the condition that the temperature is too low, life-span and capacity will be discounted greatly, need set up special heating membrane and heat the battery, application number 201922353233.0 discloses an integrated heating membrane subassembly that can evenly heat the lithium cell, including heating membrane and high thermal conductivity silica gel piece, high thermal conductivity silica gel piece will the heating membrane presss from both sides at the middle part, the heating membrane comprises PI membrane and heating resistance wire, arranges in the middle of two-layer PI membrane heating resistance wire, and the hot pressing forms the heating membrane, and this device heating performance is good, simple structure, space utilization is high, can try out various lithium cell module, does not influence PACK overall arrangement, has guaranteed the performance of power battery group under low temperature environment.

The heating film structure disclosed above is tiled at the top and bottom of the battery during heating, so that the top and bottom of the battery can be heated only, the middle part of the battery can not be heated, the temperature rise is slower, and improvement is needed.

Disclosure of Invention

The present utility model is directed to an integrated battery heating film, which solves the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an integral type battery heating membrane, includes heating membrane module, upper portion heating gasket, lower part heating gasket, guide sleeve, side heat preservation piece, gap bridge area, heating diaphragm, heat conduction silica gel piece, heating resistance wire and heat conduction silica gel post, heating membrane module is by upper portion heating gasket and lower part heating gasket, upper portion heating gasket sets up the top at lower part heating gasket, through gap bridge area fixed connection between upper portion heating gasket and the lower part heating gasket, upper portion heating gasket and lower part heating gasket are by heating diaphragm, heat conduction silica gel piece, heating resistance wire and heat conduction silica gel post are constituteed, the inside of heating diaphragm is fixed to be provided with a plurality of heating resistance wires, and a plurality of heating resistance wire evenly sets up, the bottom fixedly connected with of heating diaphragm a plurality of heating rods, a plurality of the heating rod evenly sets up, the outside cover of heating rod is equipped with the heat conduction silica gel post.

Preferably, the bottom end of the heating diaphragm is fixedly adhered with a heat-conducting silica gel sheet, and the heat-conducting silica gel sheet and the heat-conducting silica gel column are integrally arranged.

Preferably, the side of the upper heating gasket and the side of the lower heating gasket are respectively provided with an electric terminal, and two ends of the bridge belt are respectively sleeved on the outer sides of the electric terminals.

Preferably, a plurality of conductive belts are arranged in the gap bridge belt, and two ends of each conductive belt are fixedly connected with two electric terminals respectively.

Preferably, the top side of the upper heating gasket and the top side of the lower heating gasket are fixedly provided with guide sleeves, and guide support arms are movably sleeved in the guide sleeves.

Preferably, the bottom fixedly connected with side heat preservation piece of direction support arm, spacing hole has all been seted up at the both ends of side heat preservation piece.

The utility model has the technical effects and advantages that:

the heating membrane assembly of this application comprises upper portion heating gasket and lower part heating gasket, upper portion heating gasket and lower part heating gasket are arranged in battery pack's top and bottom respectively, the heating gasket comprises heat conduction silica gel piece and heating resistance wire, the accessible heating resistance wire generates heat, then heat conduction to the top and the bottom of battery through heat conduction silica gel piece, top and the bottom to the group battery heat, still be provided with heating rod and heat conduction silica gel post in the bottom of heating diaphragm, in the inside clearance that the heating rod can enter into battery pack, thereby with heat conduction through heat conduction silica gel post, heat the inside of battery, like this, but the omnidirectional heating of whole battery, heating uniformity is good, heating efficiency is high simultaneously.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view of the structure of the upper heating pad of the present utility model.

Fig. 3 is an enlarged schematic view of the bridge belt of the present utility model.

In the figure: 1. heating the membrane assembly; 2. an upper heating pad; 3. a lower heating pad; 4. a guide sleeve; 5. a guide support arm; 6. a side thermal insulation sheet; 7. a limiting hole; 8. a bridge belt; 9. a conductive tape; 10. heating the membrane; 11. a thermally conductive silicone sheet; 12. heating the resistance wire; 13. a heating rod; 14. a thermally conductive silica gel column; 15. and (5) connecting an electric terminal.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides an integrated battery heating film as shown in fig. 1-3, which comprises a heating film component 1, an upper heating gasket 2, a lower heating gasket 3, a guide sleeve 4, a side heat preservation sheet 6, a bridge belt 8, a heating diaphragm 10, a heat conduction silica gel sheet 11, heating resistance wires 12 and a heat conduction silica gel column 14, wherein the heating film component 1 is composed of the upper heating gasket 2 and the lower heating gasket 3, the upper heating gasket 2 is arranged at the top of the lower heating gasket 3, the upper heating gasket 2 and the lower heating gasket 3 are fixedly connected through the bridge belt 8, the upper heating gasket 2 and the lower heating gasket 3 are composed of a heating diaphragm 10, a heat conduction silica gel sheet 11, heating resistance wires 12 and the heat conduction silica gel column 14, a plurality of heating resistance wires 12 are uniformly arranged in the heating diaphragm 10, a plurality of heating rods 13 are fixedly connected to the bottom end of the heating diaphragm 10, a plurality of heating rods 13 are uniformly arranged, and the outer part of the heating rods 13 is sleeved with the heat conduction silica gel column 14.

As shown in fig. 1, 2 and 3, in particular, a heat conducting silica gel sheet 11 is fixedly adhered to the bottom end of the heating membrane 10, and the heat conducting silica gel sheet 11 and a heat conducting silica gel column 14 are integrally arranged.

As shown in fig. 1, 2 and 3, in particular, the side of the upper heating pad 2 and the side of the lower heating pad 3 are respectively provided with an electric terminal 15, and two ends of the bridge strap 8 are respectively sleeved outside the electric terminals 15.

As shown in fig. 1, 2 and 3, in the integral battery heating film of the present utility model, specifically, a plurality of conductive strips 9 are disposed in the bridge strap 8, two ends of the conductive strips 9 are respectively and fixedly connected with two electrical connection terminals 15, and connection conduction is performed through the conductive strips 9.

As shown in fig. 1, 2 and 3, in the integrated battery heating film of the present utility model, specifically, the top side of the upper heating pad 2 and the top side of the lower heating pad 3 are both fixedly provided with a guide sleeve 4, a guide support arm 5 is movably sleeved in the guide sleeve 4, and when the guide support arm 5 moves, the position of the side heat insulation sheet 6 can be adjusted.

As shown in fig. 1, fig. 2 and fig. 3, in particular, the bottom end of the guiding support arm 5 is fixedly connected with the side heat preservation sheet 6, both ends of the side heat preservation sheet 6 are provided with the limit holes 7, the side heat preservation sheet 6 is arranged on the side surface of the battery assembly, protects the side surface of the battery assembly, prevents dust from entering, has a heat preservation effect, improves the heating efficiency of the battery assembly, and the limit holes 7 are matched with limit rods on the side surface of the battery assembly to limit and support.

The working principle of the utility model is as follows: the heating membrane assembly 1 of this application comprises upper portion heating gasket 2 and lower part heating gasket 3, upper portion heating gasket 2 and lower part heating gasket 3 are arranged in battery pack's top and bottom respectively, upper portion heating gasket 2 and lower part heating gasket 3 comprise heat conduction silica gel piece 11 and heating resistance wire 12, accessible heating resistance wire 12 generates heat, then heat to the top and the bottom of battery through heat conduction silica gel piece 11 conduction, top and the bottom to battery pack heat, still be provided with heating rod 13 and heat conduction silica gel column 14 in the bottom of heating diaphragm 10, heating rod 13 can enter into in battery pack's the internal clearance, thereby heat the inside of battery through heat conduction silica gel column 14, so, whole battery can all-round heating, the heating uniformity is good, heating efficiency is high simultaneously.

What is not described in detail in this specification is prior art known to those skilled in the art. The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides an integral type battery heating membrane, includes heating membrane module (1), upper portion heating gasket (2), lower part heating gasket (3), direction sleeve (4), side heat preservation piece (6), gap bridge area (8), heating diaphragm (10), heat conduction silica gel piece (11), heating resistance wire (12) and heat conduction silica gel post (14), its characterized in that, heating membrane module (1) is by upper portion heating gasket (2) and lower part heating gasket (3), upper portion heating gasket (2) set up at the top of lower part heating gasket (3), just through gap bridge area (8) fixed connection between upper portion heating gasket (2) and lower part heating gasket (3), upper portion heating gasket (2) and lower part heating gasket (3) are constituteed by heating diaphragm (10), heat conduction silica gel piece (11), heating resistance wire (12) and heat conduction silica gel post (14), the inside fixed a plurality of heating resistance wires (12) are provided with, and a plurality of heating resistance wire (12) evenly set up, the fixed connection of heating diaphragm (10) is equipped with a plurality of heating rod (13) and is equipped with the heating rod (13) evenly.

2. The integrated battery heating film according to claim 1, wherein a heat conducting silica gel sheet (11) is fixedly adhered to the bottom end of the heating film sheet (10), and the heat conducting silica gel sheet (11) and the heat conducting silica gel column (14) are integrally arranged.

3. The integrated battery heating film according to claim 1, wherein the side of the upper heating gasket (2) and the side of the lower heating gasket (3) are respectively provided with an electric terminal (15), and both ends of the bridge strap (8) are respectively sleeved outside the electric terminals (15).

4. An integrated battery heating film according to claim 3, characterized in that a plurality of conductive strips (9) are arranged in the bridge strip (8), and two ends of the conductive strips (9) are fixedly connected with two electric terminals (15) respectively.

5. The integrated battery heating film according to claim 1, wherein guide sleeves (4) are fixedly arranged on the top end side of the upper heating gasket (2) and the top end side of the lower heating gasket (3), and guide support arms (5) are movably sleeved in the guide sleeves (4).

6. The integrated battery heating film according to claim 5, wherein the bottom end of the guiding support arm (5) is fixedly connected with a side heat preservation sheet (6), and both ends of the side heat preservation sheet (6) are provided with limiting holes (7).