CN213459980U

CN213459980U - Battery pack heating structure for new energy automobile battery system

Info

Publication number: CN213459980U
Application number: CN202022814680.4U
Authority: CN
Inventors: 钱兆; 郎林; 苏衍山; 王军; 张海滨
Original assignee: Anhui Zhouzhihang Battery Co ltd
Current assignee: Anhui Zhouzhihang Battery Co ltd
Priority date: 2020-11-28
Filing date: 2020-11-28
Publication date: 2021-06-15
Anticipated expiration: 2030-11-28

Abstract

The utility model relates to the technical field of new energy automobile battery packs, in particular to a battery pack heating structure for a new energy automobile battery system, which comprises a shell and a heating structure, wherein the heating structure comprises a plurality of electric heating mechanisms which are distributed in parallel in the shell, each electric heating mechanism comprises a positioning bracket, a heating plate, an electric heating assembly and a positioning pin, the electric heating assembly is arranged at the lower end of the heating plate, the positioning bracket is positioned at the positions of four corners of the lower end of the heating plate, the positioning bracket is provided with positioning holes, the four corners of the heating plate are connected with the positioning bracket through the positioning pins, the end parts of the positioning pins are inserted in the positioning holes, one of the four positioning brackets for fixing the same heating plate is provided with a wire harness auxiliary fastener, the space occupation and the structural complexity of the heating plate are reduced, and the arrangement of a battery module, the risk brought by high-pressure repeated connection is reduced, production and assembly links are reduced, and the material cost is reduced.

Description

Battery pack heating structure for new energy automobile battery system

Technical Field

The utility model relates to a new energy automobile battery package technical field, concretely relates to new energy automobile battery is battery package heating structure for system.

Background

With the increasing environmental problems and energy crisis, electric vehicles have come to be driven in this background. The electric automobile is mainly powered by a battery system, and the energy transmission of the whole system is charged by a high-voltage electric system. The heating plate of the battery system is a core component of the battery thermal management system of the electric automobile, and a main component loop of the heating plate comprises a heating plate, a wiring harness plug-in, a heating chip and the like.

The design of the heating plate of the battery system of the electric automobile is developing towards the integration direction, so the space utilization rate is also an important index of the design. The heating mode of traditional battery system hot plate is joined in marriage a hot plate by every battery module, has increased electric connection point's quantity and has increaseed the unreliable risk of connection, and assembly time and cost all increase to some extent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a new energy automobile is battery package heating structure for battery system aims at solving the above-mentioned problem that exists.

To achieve the purpose, the utility model adopts the following technical proposal:

a battery pack heating structure for a new energy automobile battery system comprises a shell and a heating structure, wherein the heating structure comprises a plurality of electric heating mechanisms which are distributed in the shell in parallel, each electric heating mechanism comprises a positioning support, a heating plate, an electric heating assembly and a positioning pin, the heating plate is of a rectangular long strip structure, the electric heating assembly is arranged at the lower end of the heating plate, the heating end face of the electric heating assembly is attached to the lower end face of the heating plate, the positioning supports are positioned at the four corners of the lower end of the heating plate and are fixedly installed in the shell, the positioning supports are provided with positioning holes, the four corners of the heating plate are connected with the positioning supports through the positioning pins, the end parts of the positioning pins are inserted in the positioning holes, one of the four positioning supports for fixing the same heating plate is provided with a wire harness auxiliary clamping piece, and a wire harness connected with the corresponding electric heating assembly sequentially passes through the wire, and the ends are connected to the same electrical connector.

Preferably, the lower end of the heating plate is provided with an inserting groove, and the electric heating assembly is inserted in the inserting groove.

Preferably, a sponge cushion is padded in a gap between the lower end face of the heating plate and the bottom of the shell.

Preferably, be equipped with the thread groove on one of them in four locating support of fixed same hot plate, the supplementary fastener of pencil includes the reference column and locates the snap ring on the reference column, and the outer wall of reference column is attacked threadedly to with thread groove screw-thread fit, the pencil passes in proper order from the snap ring.

Has the advantages that: the utility model discloses a change traditional heating methods (a battery module joins in marriage a hot plate) into a plurality of hot plate of parallel distribution in the casing (compare in the past, the size grow of hot plate, but quantity significantly reduced), electric heating element pegs graft in the inserting groove of locating the hot plate lower extreme, and the locating support in hot plate and the casing passes through the locating pin location, the space that has reduced the hot plate occupies and the structure complexity, do benefit to the battery module in the casing and the arrangement of electric part thereof, the risk that the high pressure is connected many times and is brought has been reduced, the production assembly link has been reduced, the material cost is reduced.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings in the embodiments of the present invention are briefly described below.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is an enlarged view at B of FIG. 1;

fig. 4 is a top view of the present invention;

FIG. 5 is a schematic structural view of the housing;

FIG. 6 is an enlarged view at C of FIG. 5;

FIG. 7 is a schematic view of a heating mechanism;

FIG. 8 is an enlarged view taken at D in FIG. 7;

in the figure:

the manufacturing method comprises the following steps of 1-casing, 2-heating plate, 3-electric connector, 4-wiring harness, 5-positioning pin, 6-positioning support, 7-snap ring, 8-positioning hole, 9-thread groove, 10-splicing groove and 11-sponge cushion.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.

Referring to fig. 1 to 8, the battery pack heating structure for the new energy automobile battery system includes a housing 1 and a heating structure, the heating structure includes a plurality of electric heating mechanisms distributed in parallel in the housing 1, each electric heating mechanism includes a positioning support 6, a heating plate 2, an electric heating assembly (not shown in the figure) and a positioning pin 5, the heating plate 2 is a rectangular strip structure, the electric heating assembly is disposed at the lower end of the heating plate 2, the heating end surface of the electric heating assembly is attached to the lower end surface of the heating plate 2, the positioning supports 6 are located at four corners of the lower end of the heating plate 2 and are fastened and mounted in the housing 1, the positioning support 6 is provided with positioning holes 8, the four corners of the heating plate 2 are connected to the positioning supports 6 through the positioning pins 5, and the end portions of the positioning pins 5 are inserted into the positioning holes 8, one of the four positioning brackets 6 for fixing the same heating plate 2 is provided with a wire harness auxiliary clamping piece, a wire harness 4 connected with the corresponding electric heating component sequentially passes through the wire harness auxiliary clamping piece, and the end part of the wire harness is connected to the same electric connector 3.

In this embodiment, the lower end of the heating plate 2 is provided with an insertion groove 10, and the electric heating assembly is inserted into the insertion groove 10.

In this embodiment, a sponge pad 11 is padded in a gap between the lower end surface of the heating plate 2 and the bottom of the housing 1, so that stability is improved.

In this embodiment, be equipped with thread groove 9 on one of four locating support 6 of fixed same hot plate 2, the supplementary fastener of pencil includes the reference column and locates snap ring 7 on the reference column, and the outer wall of reference column is attacked threadedly to with 9 screw-thread fit of thread groove, pencil 4 passes in the snap ring 7 in proper order from the snap ring, the winding displacement of being convenient for prevents that the pencil is disorderly.

The utility model discloses a change traditional heating methods (a battery module joins in marriage a hot plate 2) into a plurality of hot plate 2 of parallel distribution in the casing (compare in the past, the size grow of hot plate 2, but quantity significantly reduces), electric heating element pegs graft in the inserting groove 10 of locating the 2 lower extremes of hot plate, and hot plate 2 and the locating support 6 in the casing 1 pass through locating pin 5 location, the space that has reduced hot plate 2 occupies and the structure complexity, do benefit to arranging of battery module and electric component in the casing 1, the risk that the high pressure is connected many times and is brought has been reduced, the production assembly link has been reduced, the material cost is reduced.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a new energy automobile is battery package heating structure for battery system, includes casing (1) and heating structure, its characterized in that, heating structure includes that polylith parallel distribution is in electric heating mechanism in casing (1), every electric heating mechanism all includes locating support (6), hot plate (2), electric heating element and locating pin (5), hot plate (2) are the rectangular strip form structure, electric heating element sets up the lower extreme at hot plate (2), and electric heating element's heating terminal surface with the lower terminal surface of hot plate (2) is laminated mutually, locating support (6) are located the position at four turnings of the lower extreme of hot plate (2), and the fastening installation is in casing (1), is equipped with locating hole (8) on locating support (6), and four turnings of hot plate (2) are connected with locating support (6) through locating pin (5), and the end part of the positioning pin (5) is inserted into the positioning hole (8), one of the four positioning brackets (6) for fixing the same heating plate (2) is provided with a wire harness auxiliary clamping piece, a wire harness (4) connected with the corresponding electric heating assembly sequentially passes through the wire harness auxiliary clamping piece, and the end part is connected onto the same electric connector (3).

2. The battery pack heating structure for the new energy automobile battery system according to claim 1, wherein an insertion groove (10) is formed at the lower end of the heating plate (2), and the electric heating assembly is inserted into the insertion groove (10).

3. The battery pack heating structure for the battery system of the new energy vehicle according to claim 2, wherein a sponge mat (11) is padded in a gap between the lower end surface of the heating plate (2) and the bottom of the housing (1).

4. The battery pack heating structure for the new energy automobile battery system according to claim 1, wherein a threaded groove (9) is formed in one of four positioning brackets (6) for fixing the same heating plate (2), the auxiliary wire harness clamping piece comprises a positioning column and a clamping ring (7) arranged on the positioning column, the outer wall of the positioning column is threaded and is in threaded fit with the threaded groove (9), and the wire harness (4) sequentially penetrates through the clamping ring (7).