CN219717015U

CN219717015U - Liquid cooling plate structure of integrated pencil box and battery package

Info

Publication number: CN219717015U
Application number: CN202320160144.8U
Authority: CN
Inventors: 刘峰; 陈保国; 刘希智; 彭月猛
Original assignee: Tianjin EV Energies Co Ltd
Current assignee: Tianjin EV Energies Co Ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-09-19
Anticipated expiration: 2033-02-07

Abstract

The utility model belongs to the technical field of power batteries, and particularly discloses a liquid cooling plate structure integrating a wire harness box. The pencil box is equipped with connecting portion, and the liquid cooling board is equipped with the connection cooperation portion that matches with connecting portion, has realized the detachable connection between pencil box and the liquid cooling board through connecting portion and connection cooperation portion to make pencil box integrated on the liquid cooling board, utilized the inner space of battery package effectively, and adopted this kind of detachable fixed mode, when the pencil overhauls, convenient change and maintenance, convenient operation. The utility model also provides a battery pack, which comprises the liquid cooling plate structure of the integrated wire harness box, and the internal space of the battery pack is more compact, so that the energy density of the battery pack is improved.

Description

Liquid cooling plate structure of integrated pencil box and battery package

Technical Field

The utility model relates to the technical field of power batteries, in particular to a liquid cooling plate structure of an integrated wire harness box and a battery pack.

Background

The mode that current inside low-voltage pencil of battery package generally adopts stranded pencil parcel insulating tape or insulating sheath plays insulating effect, guarantees the wholeness between the stranded pencil simultaneously. However, as the number of strands of the wire harness increases, the whole diameter of the wire harness increases to cause difficult bending, the difficulty of installation is increased, the wire harnesses are fixed by adopting the ribbon, the fixing positions are more, the fixing modes are single, larger space is occupied, the space arrangement in the box body is affected, the space utilization rate is lower, and the improvement of the energy density is not facilitated.

Therefore, there is a need for a liquid cooling structure and a battery pack that integrate a wire harness box to solve the above problems.

Disclosure of Invention

The utility model aims to provide a liquid cooling plate structure and a battery pack of an integrated wire harness box, wherein the wire harness box integrated on the liquid cooling plate can fix a plurality of wire harnesses and insulate the wire harnesses from the outside, and the liquid cooling plate structure and the battery pack are simple in installation steps, easy to operate, compact in arrangement structure and high in space utilization rate.

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

in one aspect, the present utility model provides a liquid cooling structure of an integrated wire harness box, comprising:

the wire harness box is characterized in that an inlet and an outlet are respectively arranged at two ends of the wire harness box, a containing space is arranged in the wire harness box, the containing space is communicated with the inlet and the outlet, at least one strand of wire harness is fixed in the containing space, the inlet and the outlet can be used for allowing the wire harness to pass in or out, and a connecting part is arranged on the wire harness box;

the liquid cooling plate is provided with a connection matching part matched with the connecting part, and the connection matching part is detachably connected with the connecting part.

Optionally, the liquid cooling plate upwards extends to have the public end of buckle, be equipped with first joint hole on the public end of buckle, the corresponding position of pencil box is equipped with the female end of buckle, the female end of buckle includes the shell fragment, be equipped with first joint arch on the shell fragment, first joint arch card is established in the first joint hole.

Optionally, the pencil box includes wire casing and upper cover, the upper cover detachably lock is in on the wire casing, the upper cover with form between the wire casing accommodation space, the both ends of wire casing are equipped with respectively the import with the export.

Optionally, second clamping holes are formed in two opposite side walls of the wire slot, second clamping protrusions are arranged at corresponding positions of the upper cover, and the second clamping protrusions are clamped in the second clamping holes.

Optionally, the second clamping holes are formed in a plurality of second clamping protrusions along the length direction of the wire slot at intervals, the second clamping protrusions are formed in a plurality of second clamping holes and are arranged in a one-to-one correspondence mode along the length direction of the upper cover at intervals.

Optionally, at least one branch guide groove is arranged on the wire slot, and the branch guide groove is used for the wire harness to pass through.

Optionally, the two sides of the branch guide groove are respectively provided with a first guide plate, the two first guide plates are oppositely and obliquely arranged, the position, corresponding to the first guide plates, on the upper cover is provided with a second guide plate, and the first guide plates, the second guide plates and the branch guide groove form a horn-shaped guide part.

Optionally, a binding buckle is arranged at one end of the branch guide groove far away from the wire slot.

Optionally, the branch guide groove includes horizontal portion and vertical portion, horizontal portion with the wire casing all is located the first plane, the extending direction of horizontal portion with the extending direction of wire casing is perpendicular, the extending direction of vertical portion is perpendicular with the first plane.

In another aspect, the present utility model provides a battery pack, including the liquid cooling structure of the integrated harness box in any one of the above aspects.

The beneficial effects of the utility model are as follows:

the utility model provides a liquid cooling plate structure of an integrated wire harness box, which comprises a wire harness box and a liquid cooling plate which are detachably connected, wherein a containing space for fixing a wire harness is arranged in the wire harness box, the wire harness penetrates from an inlet at one end of the wire harness box and penetrates out from an outlet at the other end of the wire harness box, so that the wire harness box can integrate and fix the wire harness, the internal space of a battery pack is saved, and meanwhile, the wire harness box can insulate the wire harness from an external structure to avoid short circuit. Further, be equipped with connecting portion on the pencil box, be equipped with on the liquid cooling board with connecting portion matched connection cooperation portion, connect and dismantle between cooperation portion and the connecting portion and be connected to make the pencil box integrate on the liquid cooling board, utilized the inner space of battery package effectively, further improved space utilization, be favorable to promoting the energy density of battery package, and adopt this kind of detachable fixed mode, when the pencil overhauls, convenient change and maintenance, convenient operation.

The utility model also provides a battery pack, which comprises the liquid cooling plate structure of the integrated wire harness box, wherein the wire harness box and the liquid cooling plate are arranged in the box body, and the wire harness box is fixed on the liquid cooling plate, so that the inner space of the box body is effectively utilized, the inner space of the box body is more compact, and the energy density of the battery pack is improved.

Drawings

Fig. 1 is an exploded view of a liquid cooling structure of an integrated harness box provided in an embodiment of the present utility model;

fig. 2 is a schematic structural view of a liquid cooling structure (after assembly) of the integrated harness box provided in the embodiment of the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a partial enlarged view at B in FIG. 2;

fig. 5 is a schematic structural view of a liquid cooling plate structure of the integrated harness box provided in the embodiment of the present utility model at another view angle;

fig. 6 is a partial enlarged view at C in fig. 5.

In the figure:

100. a harness box; 110. a wire slot; 111. a snap-fit female end; 1111. a spring plate; 1112. a first clamping protrusion; 112. a second clamping hole; 120. an upper cover; 121. a second clamping protrusion; 122. a second guide plate; 130. a branch guide groove; 131. a first guide plate; 132. binding a belt buckle; 200. a liquid cooling plate; 210. a male end of the buckle; 211. the first clamping hole.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1-4, this embodiment provides a liquid cooling structure of integrated pencil box, this liquid cooling structure of integrated pencil box includes pencil box 100 and liquid cooling board 200, wherein, the both ends of pencil box 100 are equipped with import and export respectively, the inside of pencil box 100 is equipped with the accommodation space, accommodation space and import and export intercommunication, the pencil is fixed in the accommodation space, the exemplary pencil can also be stranded for one, the pencil penetrates from the import of pencil box 100 one end, later wear out from the export of pencil box 100 other end, thereby pencil box 100 can play integration and fixed effect to the pencil, pencil box 100 also can be with pencil and external structure insulation simultaneously, avoid taking place the short circuit, this kind of scheme of integration and fixed pencil, and is easy to operate, the assembly is easy, the inner space of battery package has been practiced thrift simultaneously, more fixed point in the scheme of traditional adoption ribbon is fixed has been avoided, the problem that occupation space is big. Of course, the specific size and shape of the harness box 100 may be designed according to the internal space requirement of the battery pack, which is not limited in this embodiment.

Preferably, the wire harness box 100 in the present embodiment is injection molded by PP material and glass fiber, so that the wire harness box 100 is ensured to have good mechanical strength and toughness, and the mechanical strength and fatigue durability of the wire harness box 100 can be maintained. Meanwhile, good insulation effect can be ensured.

Further, be equipped with connecting portion on the pencil box 100, be equipped with on the liquid cooling board 200 with connecting portion matched connect the cooperation portion, connect and dismantle between cooperation portion and the connecting portion and be connected to make pencil box 100 integrated on liquid cooling board 200, utilized the inner space of battery package effectively, further improved space utilization, be favorable to promoting the energy density of battery package, and adopt this kind of detachable fixed mode, when the pencil overhauls, convenient change and maintenance, convenient operation.

As an alternative, referring to fig. 5 and 6, the connection portion in this embodiment is set to the female end 111 of the buckle, the connection mating portion is set to the male end 210 of the buckle, and the female end 111 of the buckle and the male end 210 of the buckle are fixed by a snap connection manner, so as to fix the wire harness box 100 and the liquid cooling plate 200, and the connection structure is firm and stable, and the installation and the disassembly are convenient. Specifically, the liquid cooling plate 200 extends upward to be provided with a male end 210 of the buckle, a first clamping hole 211 is provided on the male end 210 of the buckle, a female end 111 of the buckle is provided at a corresponding position of the harness box 100, the female end 111 of the buckle includes a spring sheet 1111, a first clamping protrusion 1112 is provided on the spring sheet 1111, and the first clamping protrusion 1112 is clamped in the first clamping hole 211. When the wire harness box 100 is installed, the elastic sheet 1111 is deformed by applying force towards the liquid cooling plate 200, then the first clamping protrusions 1112 are clamped into the first clamping holes 211, when a click sound is generated, the first clamping protrusions 1112 are clamped with the first clamping holes 211, and at this time, the wire harness box 100 is firmly fixed on the liquid cooling plate 200 and is not easy to fall off. Further, the connection parts may be provided in plurality along the length direction of the wire harness box 100 and distributed on the left and right sides of the wire harness box 100, so as to ensure uniform stress and improve stability and reliability of fixation.

Of course, in some embodiments, the connection portion and the connection mating portion may be configured as other fixing manners of mutually mating detachable connection, which is not listed here.

With continued reference to fig. 1 and 3, the wire harness box 100 in the present embodiment includes a wire chase 110 and an upper cover 120, a containing space for placing a wire harness is formed between the upper cover 120 and the wire chase 110, and two ends of the wire chase 110 are respectively provided with an inlet and an outlet. In order to facilitate the installation of the wire harness, a fixing mode of detachable connection is also adopted between the wire harness 110 and the upper cover 120, when the wire harness is straightened and installed in the wire harness 110, the upper cover 120 is buckled on the wire harness 110, the middle part of the wire harness is positioned in the accommodating space, one end of the wire harness penetrates into the accommodating space from the inlet, and the other end of the wire harness penetrates out of the accommodating space from the outlet. It should be noted that, at the portion of the wire harness not disposed in the wire harness box 100, it is necessary to wind an insulating tape, thereby ensuring insulation of the wire harness from the outside.

As an alternative, the opposite two side walls of the wire slot 110 are provided with second clamping holes 112, the corresponding positions of the upper cover 120 are provided with second clamping protrusions 121, and the second clamping protrusions 121 are clamped in the second clamping holes 112. And the second clamping holes 112 are arranged at intervals along the length direction of the wire slot 110, the second clamping protrusions 121 are arranged at intervals along the length direction of the upper cover 120, the second clamping holes 112 and the second clamping protrusions 121 are arranged in a one-to-one correspondence manner, and each second clamping protrusion 121 is correspondingly clamped into one second clamping hole 112.

More preferably, referring to fig. 1 and 4, at least one branch guide groove 130 is provided on the wire slot 110 in this embodiment, the branch guide groove 130 can be used for the wire harness to pass through, the wire harness in the battery pack is conveniently routed through the arrangement of the branch guide groove 130, and the space utilization is higher. For example, when a part of the wire harness needs to be led out, the part of the wire harness may be led out from the branch guide groove 130, so that connection with the electric parts in the battery pack is facilitated. And in order to integrate and fix the wire harness of the lead-out portion better, a guide part is provided at one end of the branch guide groove 130 connected with the wire groove 110, the guide part comprises a first guide plate 131 and a second guide plate 122, wherein the first guide plates 131 are arranged at opposite sides of the branch guide groove 130, the two first guide plates 131 are obliquely arranged in opposite directions, the second guide plate 122 is arranged at a position corresponding to the first guide plates 131 on the upper cover 120, the first guide plates 131, the second guide plates 122 and the branch guide groove 130 form a horn mouth-shaped guide part, one end of the guide part forms an inlet of the branch guide groove 130, and the wire harness can pass through the inlet. Further, in order to facilitate wiring and save space, the branch guide slot 130 in this embodiment includes a horizontal portion and a vertical portion, both of which are located in the first plane, the extending direction of the horizontal portion is perpendicular to the extending direction of the wire slot 110, and the extending direction of the vertical portion is perpendicular to the first plane.

Illustratively, the branching guide grooves 130 are provided in six in the present embodiment. Of course, in other embodiments, the position and number of the branch guide grooves 130 may be flexibly adjusted according to the length of the harness box 100 or the wiring requirement, for example, one, two, three, four, or five, etc., which is not limited in this embodiment.

Further, a binding buckle 132 is further provided at an end of the branching guide groove 130 away from the wire groove 110, and the binding buckle 132 is provided on the vertical portion. After a part of the wire harness passes through the inlet of the branch guide groove 130, the part of the wire harness can be bound and fixed on the binding belt buckle 132 through the binding belt, so that the wire harness is ensured to be well fixed, firm and not easy to fall off. It should be noted that, the part of the wire harness led out of the harness box 100 from the branch guide groove 130 also needs to be wound with an insulating tape, so as to ensure insulation between the wire harness and the outside and ensure electrical safety.

The embodiment also provides a battery pack, including box, battery module and the liquid cooling plate structure of foretell integrated pencil box, pencil box 100 and liquid cooling plate 200 all set up in the box, are equipped with the liquid cooling passageway that supplies the coolant liquid circulation in the liquid cooling plate 200, can cool down battery module through liquid cooling plate 200, and pencil box 100 is fixed on liquid cooling plate 200 to the effectual inner space who utilizes the box, the inner space of box is compacter, is favorable to improving the energy density of battery pack.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. A liquid cooling structure of integrated pencil box, characterized by comprising:

the wire harness box (100), both ends of the wire harness box (100) are respectively provided with an inlet and an outlet, the interior of the wire harness box (100) is provided with a containing space, the containing space is communicated with the inlet and the outlet, at least one strand of wire is fixed in the containing space, the inlet and the outlet can be used for the wire harness to penetrate in or out, and the wire harness box (100) is provided with a connecting part;

the liquid cooling plate (200), be equipped with on the liquid cooling plate (200) with connecting portion matched connection cooperation portion, connect cooperation portion with can dismantle between the connecting portion and be connected.

2. The liquid cooling plate structure of the integrated wire harness box according to claim 1, wherein the liquid cooling plate (200) extends upwards to form a fastening male end (210), a first fastening hole (211) is formed in the fastening male end (210), a fastening female end (111) is formed in a corresponding position of the wire harness box (100), the fastening female end (111) comprises an elastic sheet (1111), a first fastening protrusion (1112) is formed in the elastic sheet (1111), and the first fastening protrusion (1112) is fastened in the first fastening hole (211).

3. The liquid cooling structure of the integrated wire harness box according to claim 1 or 2, wherein the wire harness box (100) comprises a wire groove (110) and an upper cover (120), the upper cover (120) is detachably buckled on the wire groove (110), the accommodating space is formed between the upper cover (120) and the wire groove (110), and the inlet and the outlet are respectively arranged at two ends of the wire groove (110).

4. The liquid cooling plate structure of the integrated harness box according to claim 3, wherein second clamping holes (112) are formed in two opposite side walls of the wire slot (110), second clamping protrusions (121) are arranged at corresponding positions of the upper cover (120), and the second clamping protrusions (121) are clamped in the second clamping holes (112).

5. The liquid cooling plate structure of the integrated harness box according to claim 4, wherein a plurality of second clamping holes (112) are arranged at intervals along the length direction of the wire slot (110), a plurality of second clamping protrusions (121) are arranged at intervals along the length direction of the upper cover (120), and the second clamping holes (112) are arranged in one-to-one correspondence with the second clamping protrusions (121).

6. A liquid cooling structure of an integrated harness box according to claim 3, characterized in that at least one branch guide groove (130) is provided on the wire groove (110), and the branch guide groove (130) is used for the harness to pass through.

7. The liquid cooling plate structure of the integrated harness box according to claim 6, wherein two sides of the branch guide groove (130) are respectively provided with a first guide plate (131), the two first guide plates (131) are obliquely arranged in opposite directions, a second guide plate (122) is arranged on the upper cover (120) at a position corresponding to the first guide plates (131), and the first guide plates (131), the second guide plates (122) and the branch guide groove (130) form a horn-shaped guide part.

8. The liquid cooling plate structure of the integrated harness box according to claim 6, wherein a binding buckle (132) is provided at an end of the branching guide groove (130) away from the wire groove (110).

9. The liquid cooling plate structure of the integrated harness box according to claim 6, wherein the branch guide groove (130) includes a horizontal portion and a vertical portion, the horizontal portion and the wire groove (110) are both located in a first plane, an extending direction of the horizontal portion is perpendicular to an extending direction of the wire groove (110), and an extending direction of the vertical portion is perpendicular to the first plane.

10. A battery pack comprising the liquid cooling structure of the integrated harness box of any one of claims 1 to 9.