CN217158345U

CN217158345U - Heating member fixing structure and battery

Info

Publication number: CN217158345U
Application number: CN202220708854.5U
Authority: CN
Inventors: 谢永业; 郑剑
Original assignee: Hubei Eve Power Co Ltd
Current assignee: Hubei Eve Power Co Ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-08-09
Anticipated expiration: 2032-03-28

Abstract

The utility model relates to an add heat-insulating material fixed knot and battery, wherein, add heat-insulating material fixed knot and construct including the hot plate, heating device and installation face, the hot plate sets up on the installation face, the heating device sets up on the hot plate, installation face and hot plate one of them is provided with first mounting, another is provided with the second mounting, be provided with the fixed orifices on the first mounting, the fixed orifices is including the first hole and the second hole that communicate each other, the size in first hole is greater than the size in second hole, the second mounting is provided with the recess, the second mounting can pass first hole, and the pore wall card in second hole establishes in the recess. This heating member fixed knot constructs through first mounting and the cooperation of second mounting in order to fix the hot plate on the installation face, and connection stability is high, and this heating member fixed knot constructs the hot plate need not to use appurtenance at the dismouting in-process, and efficiency is higher.

Description

Heating member fixing structure and battery

Technical Field

The utility model relates to a battery technology field especially relates to an add heat-insulating material fixed knot and battery.

Background

With the continuous innovation of the battery technology, the battery also has universality on the basis of function improvement for adapting to various large application environments. The battery module in the battery has different requirements on the service temperature due to the characteristic factors of the battery module, so the battery is generally provided with a heating system and a liquid cooling system to regulate and control the temperature.

In general, a heating system for a battery pack is provided in a battery with a PTC heating plate, and heats a battery module by supplying electricity to the PTC heating plate. At present, the PTC heating plate has two fixing modes in the battery, one mode is that the heating plate is provided with back glue which is stuck in the battery, but the glue is easy to lose efficacy after being heated for a long time, and the phenomenon of displacement caused by insecurity can occur after the glue is heated for a long time; the other type is locked through a bolt assembly, but the connecting mode needs a disassembling tool when the heating plate is disassembled and assembled, and the disassembling and assembling efficiency is low.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an aim at: the utility model provides a heating member fixed knot constructs, simple structure, the dismouting is efficient.

The embodiment of the utility model provides a another aim at: provided is a battery having high assembly efficiency and long service life.

To achieve the purpose, the embodiment of the present invention adopts the following technical solutions:

the first aspect provides a heating member fixed knot constructs, including hot plate, heating device and installation face, the hot plate sets up on the installation face, the heating device sets up on the hot plate, the installation face with one of hot plate both is provided with first mounting, and another is provided with the second mounting, be provided with the fixed orifices on the first mounting, the fixed orifices is including the first hole and the second hole of mutual intercommunication, the size in first hole is greater than the size in second hole, the second mounting is provided with the recess, the second mounting can pass first hole, just the pore wall card in second hole is established in the recess.

As a preferable mode of the fixing structure of the heating element, the first fixing member is provided on the installation surface, and the second fixing member is provided on a side surface of the heating plate close to the installation surface

As an optimal scheme of heating member fixed knot structure, the second mounting includes first fixed plate, second fixed plate and spliced pole, the both ends of spliced pole respectively with first fixed plate with the second fixed plate is connected, first fixed plate with form between the second fixed plate the recess, the second fixed plate with the hot plate riveting.

As a preferred scheme of the heating member fixing structure, a through hole is formed in the heating plate, and a riveting portion is arranged on one end face of the second fixing plate and embedded into the through hole.

As a preferred scheme of the heating element fixing structure, one end of the first fixing plate, which is far away from the second fixing plate, is provided with a guide structure, and the guide structure is a guide surface arranged on the side wall of the second fixing plate.

As a preferable mode of the heating element fixing structure, the first fixing member includes at least two fixing brackets arranged at intervals, and the fixing holes are formed in the fixing brackets.

As a heating member fixed knot constructs preferred scheme, the hot plate is close to a side of installation face is provided with the installation department, the installation department is provided with the installation cavity, the heating device sets up in the installation cavity.

As a heating member fixed knot constructs preferred scheme, the side of hot plate deviating from the installation face is provided with heat conduction silica gel.

As a preferable mode of the heating member fixing structure, at least two mounting beams for mounting the battery module are provided on the mounting surface.

In a second aspect, a battery is provided, which includes a case and the heating element fixing structure of any one of the above embodiments, wherein the mounting surface of the heating element fixing structure is provided on an inner side wall of the case, and the heating plate is provided in the case.

The utility model discloses beneficial effect does: through setting up the fixed orifices at first mounting, and the fixed orifices includes first hole and the second hole of mutual intercommunication, the size in first hole is greater than the size in second hole, set up the second mounting on the hot plate, be provided with the recess on the second mounting, when the installation, the fixed orifices is inserted from the position in first hole to the second mounting, it is downthehole to push the second mounting after the second mounting inserts first hole, and the pore wall card in first hole is established in the recess, thereby realize the spacing of five dimensions of hot plate, and then realize the fixed of hot plate, and need not to use appurtenance at the dismouting in-process, efficiency is higher.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is a schematic structural view of a heating element fixing structure according to an embodiment of the present invention.

Fig. 2 is a disassembly schematic view of a heating member fixing structure according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a heating plate according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a first fixing element according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a fixing bracket according to an embodiment of the present invention.

Fig. 6 is a schematic view illustrating disassembly of a battery according to an embodiment of the present invention.

In the figure:

100. a box body;

1. heating plates; 11. a through hole; 12. an installation part; 121. a mounting cavity; 2. a heating device; 3. a mounting surface; 4. a first fixing member; 41. a fixing hole; 411. a first hole; 412. a second hole; 42. fixing a bracket; 421. a connecting portion; 422. a boss portion; 5. a second fixing member; 51. a groove; 52. a first fixing plate; 521. a guide surface; 53. a second fixing plate; 531. riveting parts; 54. connecting columns; 6. heat conducting silica gel; 7. and (5) mounting the beam.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 4, the utility model discloses a heating member fixed knot constructs includes heating plate 1, heating device 2 and installation face 3, heating plate 1 sets up on installation face 3, heating device 2 sets up on heating plate 1, be provided with first mounting 4 on the installation face 3, be provided with fixed orifices 41 on the first mounting 4, this fixed orifices 41 is the calabash hole, it includes first hole 411 and the second hole 412 of intercommunication each other, the size of first hole 411 is greater than the size of second hole 412, the side that heating plate 1 is close to first mounting 4 is provided with second mounting 5, second mounting 5 is provided with recess 51, second mounting 5 can pass first hole 411, the pore wall card of second hole 412 is established in recess 51. Through set up fixed orifices 41 at first mounting 4, and fixed orifices 41 includes first hole 411 and second hole 412 that communicate each other, the size of first hole 411 is greater than the size of second hole 412, set up second mounting 5 on hot plate 1, be provided with recess 51 on the second mounting 5, when the installation, second mounting 5 inserts fixed orifices 41 from the position of first hole 411, second mounting 5 inserts behind the first hole 411 with second mounting 5 push into in the second hole 412, and the pore wall card of first hole 411 is established in recess 51, thereby realize that hot plate 1 is spacing of five dimensions, and then realize hot plate 1's fixed, and need not to use appurtenance at the dismouting in-process, efficiency is higher. It can be understood, when installing battery module on hot plate 1, battery module generally can not once install and target in place, need move battery module in the first direction, perhaps lift up repeatedly along the second direction with the position of adjustment battery module on hot plate 1, and in order to improve the heating effect of hot plate 1 to battery module, and hot plate 1 laminates with battery module more, need set up heat conduction silica gel 6 on hot plate 1, because heat conduction silica gel 6 itself has viscidity, can drive hot plate 1 and remove at battery module removal in-process, thereby cause the condition of hot plate 1 installation off normal, lead to hot plate 1 and the incomplete laminating of battery module, influence the heating effect of hot plate 1 to battery module, thereby let the battery package that uses this heating member fixed knot to construct break down. The fixing in the first direction and the second direction is thus achieved by the cooperation of the gourd hole and the fixing member and the positioning of the second fixing member 5 in the second hole 412.

The first direction is a z-axis direction of a drawing coordinate system, the second direction is an X-axis direction of the drawing coordinate system, and the third direction is a Y-axis direction of the drawing coordinate system.

In this embodiment, as shown in fig. 4, the second fixing member 5 includes a first fixing plate 52, a second fixing plate 53 and a connecting column 54, two ends of the connecting column 54 are respectively connected to the first fixing plate 52 and the second fixing plate 53, a groove 51 is formed between the first fixing plate 52 and the second fixing plate 53, and the second fixing plate 53 is riveted to the heating plate 1. The size of first fixed plate 52 is greater than the size of second hole 412, be less than the size of first hole 411, the diameter of spliced pole 54 equals with the diameter of second hole 412, so that second mounting 5 can insert fixed orifices 41 from first hole 411, and push second mounting 5 into in the second hole 412, spliced pole 54 is pressed close to with the pore wall in second hole 412, thereby realize the fixed of hot plate 1, and second fixed plate 53 is higher with the riveted connection stability of hot plate 1, and need not weld hot plate 1 and cause the deformation.

Specifically, as shown in fig. 2 and 4, the heating plate 1 is provided with a through hole 11, the second fixing plate 53 is provided with a riveting portion 531, and the riveting portion 531 is embedded into the through hole 11 through a press riveting process, so that the press riveting process is simple and convenient in process, low in cost and easy to operate.

Preferably, as shown in fig. 4, one end of the first fixing plate 52 away from the second fixing plate 53 is provided with a guide structure, which is a guide surface 521 provided on a side wall of the first fixing plate 52, and the guide surface 521 can guide the second fixing member 5 into the fixing hole 41 during the insertion of the second fixing member 5 into the first hole 411, thereby improving the installation efficiency of the heating panel 1. In this embodiment, the guiding surface 521 is an inverted slope of the first fixing plate 52. In other embodiments, the guiding surface 521 may be a rounded surface of the first fixing plate 52 or a structure with other guiding functions, and is not limited to this embodiment.

As shown in fig. 2, the first fixing member 4 includes at least two fixing brackets 42 spaced apart from each other, and the fixing holes 41 are formed in the fixing brackets 42, which not only satisfies the stability of fixing the heating panel 1, but also reduces the occupied space of the first fixing member 4 on the mounting surface 3, and reduces the manufacturing material of the first fixing member 4, thereby reducing the weight of the heating member fixing structure. In this embodiment, four fixing brackets 42 are provided, and four fixing brackets 42 are distributed on the installation surface 3 in a rectangular shape, and the heating plate 1 is limited by setting the four fixing brackets 42, so that the stability of the heating plate 1 on the installation surface 3 is improved.

In this embodiment, as shown in fig. 5, the fixing bracket 42 includes a protruding portion 422 and two connecting portions 421, opposite ends of the protruding portion 422 are respectively connected to the two connecting portions 421, the connecting portions 421 are welded to the mounting surface 3, the protruding portion 422 is convexly disposed on the mounting surface 3, the fixing hole 41 is disposed on the protruding portion 422, the protruding portion 422 is provided with a cavity communicated with the fixing hole 41, and the first fixing plate 52 can abut against a cavity wall of the cavity. In other embodiments, the number of the connecting portions 421 may also be three, four or other numbers, and the connecting portions 421 may be connected by screws or clamped, which is not limited to this embodiment.

Preferably, the protruding portion 422 and the connecting portion 421 are formed by bending a metal plate, the bending process is simple, the production cost is low, and the fixing support 42 formed by bending is high in strength, not prone to damage and good in fixing effect.

Preferably, the metal sheet is aluminium metal material, and aluminium metal's material is lighter, is favorable to reducing heating member fixed knot to be constructed's weight.

As shown in fig. 2 and 3, a mounting portion 12 is provided on a side surface of the heating plate 1 close to the mounting surface 3, a mounting cavity 121 for mounting the heating device 2 is provided on the mounting portion 12, and the heating device 2 is disposed in the mounting cavity 121, so that the heating plate 1 and the heating device 2 are mounted on the mounting surface 3 together. In this embodiment, the mounting portion 12 and the heating plate 1 are formed by extruding an aluminum metal plate, the heating device 2 is formed by sintering a thermistor and ceramic, the thermistor is a typical semiconductor resistor with temperature sensitivity, when a current is passed to generate heat, the resistance value enters a jump region, and the passed current tends to be stable; the ceramic heating element continuously heats, and the surface of the heating plate 1 is continuously heated until heat balance is achieved by absorbing heat through the aluminum material.

In this embodiment, as shown in fig. 2, the mounting surface 3 is provided with at least two mounting beams 7 for mounting the battery module, two ends of the battery module are abutted against the mounting beams 7, the battery module is fixedly mounted on the mounting beams 7 through bolt assemblies, specifically, first mounting holes are formed in the mounting beams 7 at intervals, second mounting holes are formed in the battery module corresponding to the first mounting holes, and the battery module is fixed on the mounting beams 7 through bolts penetrating through the first mounting holes and the second mounting holes. An avoidance notch is provided in one of the mounting beams 7, and the avoidance notch is used for avoiding a line connecting the heating device 2 and the power supply.

In other embodiments, the structure in this embodiment is substantially the same as that in the above embodiment, only the first fixing member 4 and the second fixing member 5 are disposed at different positions, the first fixing member 4 is disposed on the heating plate 1, the second fixing member 5 is disposed on the mounting surface 3, when the heating plate is mounted, the heating plate 1 is moved and the first hole 411 of the first fixing member 4 is aligned with the second fixing member 5, then the heating plate 1 is pressed toward the mounting surface 3, the second fixing member 5 is inserted into the first hole 411 and pushes the heating plate 1 to clip the second fixing member 5 into the second hole 412, and at this time, the hole wall of the second hole 412 is clipped in the groove 51, so that the mounting of the heating plate 1 on the mounting surface 3 is completed.

As shown in fig. 3 and 6, the utility model discloses still disclose a battery, it includes box 100, battery module and the heating member fixed knot who adds of any above-mentioned embodiment constructs, adds the installation face 3 setting of heating member fixed knot structure on the inside wall of box 100, and hot plate 1 is fixed in the box through the cooperation of first mounting 4 and second mounting 5, and the battery module is on hot plate 1 to make this hot plate 1 can keep warm or heat the battery module. The installation efficiency of the heating plate 1 in the box body 100 is high, the connection stability is high, and the heating effect of the heating plate 1 on the battery module is not easily influenced by the displacement, so that the battery has a longer service life.

In the description herein, it is to be understood that the terms "upper" and "lower" are used in a descriptive sense only and not for purposes of limitation, and are not to be construed as indicating or implying that a particular device or element must have a particular orientation, be constructed and operated in a particular manner, based on the orientation or positional relationship shown in the figures.

In the description herein, references to the description of "an embodiment" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. The utility model provides a heating member fixed knot constructs, includes hot plate, heating device and installation face, the hot plate sets up on the installation face, the heating device sets up on the hot plate, a serial communication port, the installation face with one of hot plate both is provided with first mounting, and another is provided with the second mounting, be provided with the fixed orifices on the first mounting, the fixed orifices is including the first hole and the second hole that communicate each other, the size in first hole is greater than the size in second hole, the second mounting is provided with the recess, the second mounting can pass first hole, just the pore wall card in second hole is established in the recess.

2. The heating element fixing structure according to claim 1, wherein the first fixing member is provided on the mounting surface, and the second fixing member is provided on a side of the heating plate adjacent to the mounting surface.

3. A heating element fixing structure according to claim 2, wherein the second fixing member includes a first fixing plate, a second fixing plate, and a connecting column, both ends of the connecting column are connected to the first fixing plate and the second fixing plate, respectively, the groove is formed between the first fixing plate and the second fixing plate, and the second fixing plate is riveted to the heating plate.

4. The heating element fixing structure according to claim 3, wherein a through hole is provided in the heating plate, and a rivet portion is provided at one end surface of the second fixing plate, the rivet portion being fitted into the through hole.

5. A heating element fixing structure as claimed in claim 3, wherein a guide structure is provided at an end of the first fixing plate remote from the second fixing plate, the guide structure being a guide surface provided on a side wall of the first fixing plate.

6. The heating element fixing structure according to claim 1, wherein the first fixing member includes at least two fixing brackets arranged at intervals, and the fixing holes are provided in the fixing brackets.

7. A heating element fixing structure as claimed in claim 1, wherein a side of the heating plate adjacent to the mounting surface is provided with a mounting portion provided with a mounting cavity, and the heating element is provided in the mounting cavity.

8. The heating element fixing structure according to claim 1, wherein a side of the heating plate facing away from the mounting surface is provided with thermally conductive silicone.

9. The heating element fixing structure according to claim 1, wherein at least two mounting beams for mounting a battery module are provided on the mounting surface.

10. A battery comprising a case, characterized by further comprising the heating element fixing structure according to any one of claims 1 to 9, wherein the mounting surface of the heating element fixing structure is provided on an inner side wall of the case, and the heating plate is provided in the case.