CN219203297U

CN219203297U - Die-cutting power battery heating plate

Info

Publication number: CN219203297U
Application number: CN202320774386.6U
Authority: CN
Inventors: 吴金鹏; 蒋小勇
Original assignee: Guangdong Zhongyu Hengtong Thermal Technology Co ltd
Current assignee: Guangdong Zhongyu Hengtong Thermal Technology Co ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-06-16
Anticipated expiration: 2033-04-10

Abstract

The utility model discloses a die-cutting power battery heating sheet, which comprises a battery pack outer frame, wherein the bottom of the battery pack outer frame is fixedly connected with a bottom ring, a plurality of electric cores are arranged above the bottom ring, a mounting frame matched with the battery pack outer frame is arranged above the electric cores, a plurality of heating sheets are connected below the mounting frame, each heating sheet is respectively positioned in a gap between two adjacent electric cores, a liquid through groove is formed in each heating sheet, and an electric heating wire is arranged in the liquid through groove. The heating plate is located in the gap between two adjacent electric cores, the heating wire is controlled to heat liquid in the liquid flowing groove, so that the temperature of the liquid is raised, then the heat is transferred to the whole heating plate through the heat conductivity among substances, the attached electric cores are heated, the electric cores are heated more uniformly, and meanwhile, the heat-insulating ring prevents a large amount of heat from being dissipated from the periphery of the heating plate, so that the heating energy consumption is reduced.

Description

Die-cutting power battery heating plate

Technical Field

The utility model relates to the technical field of battery accessories, in particular to a die-cutting power battery heating plate.

Background

At present, most of power batteries used for new energy automobiles are lithium batteries, the service life of the lithium batteries is greatly influenced by the ambient temperature, and the batteries usually need to be ensured to work in a proper temperature range, wherein most of the batteries are assembled into battery packs by battery cells, and the battery cells in the batteries are heated by electric heating plates and the battery cells in a fitting way.

In the process of heating the battery cell by adopting the electric heating sheet, the emitted heat is concentrated at the electric wire, the contact area between the electric wire and the battery cell is limited, the local high heat of the battery cell is easy to form, the periphery is still cooler, the heating is uneven, and the electric heating sheet is in a sheet shape, after the electric wire emits heat, part of heat is transferred to the surface of the battery cell, and the other part of heat is neutralized by the surrounding environment, so that the heat loss is caused, and the heating energy consumption is increased.

Disclosure of Invention

The present utility model aims to provide die-cut power cell heating sheets in order to solve the above problems, as described in detail below.

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

the utility model provides a die-cutting power battery heating sheet, which comprises a battery pack outer frame, wherein the bottom of the battery pack outer frame is fixedly connected with a bottom ring, a plurality of electric cores are arranged above the bottom ring, a mounting frame matched with the battery pack outer frame is arranged above the electric cores, a plurality of heating sheets are connected below the mounting frame, each heating sheet is respectively positioned in a gap between two adjacent electric cores, a liquid through groove is formed in each heating sheet, and an electric heating wire is arranged in the liquid through groove.

By adopting the die-cutting power battery heating plate, the battery cells are sequentially arranged and filled into the battery pack outer frame, the mounting frame is arranged above the battery cells, the plurality of heating plates are aligned to gaps between the battery cells and inserted, the heating plates are positioned in the gaps between the two adjacent battery cells, the heating wires are controlled to heat liquid in the liquid through groove, the temperature of the liquid is raised, then the heat is transferred to the whole heating plates through the heat conductivity among substances, and the attached battery cells are heated and raised.

Preferably, the heating plate is adapted to the size of the battery cell.

Preferably, the middle part of the heating plate is an aluminum alloy plate.

Preferably, the aluminum alloy plate is surrounded by a heat-insulating ring.

Preferably, the liquid through groove is arranged in an S shape, and openings at two ends of the liquid through groove are all positioned at the upper end of the heating plate and are connected with the mounting frame.

Preferably, the liquid through tank is filled with conductive liquid.

Preferably, a temperature controller is fixedly arranged on one side of the mounting frame, and the temperature controller is electrically connected with the electric heating wire.

Preferably, the middle part of the installation frame is fixedly connected with a reinforcing frame.

The beneficial effects are that:

the heating plate is located in the gap between two adjacent electric cores, the heating wire is controlled to heat liquid in the liquid flowing groove, so that the temperature of the liquid is raised, then the heat is transferred to the whole heating plate through the heat conductivity among substances, the attached electric cores are heated, the electric cores are heated more uniformly, and meanwhile, the heat-insulating ring prevents a large amount of heat from being dissipated from the periphery of the heating plate, so that the heating energy consumption is reduced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a split perspective view of the present utility model;

FIG. 2 is a cutaway exploded perspective view of the heating plate of the present utility model;

FIG. 3 is a perspective view of a heating plate of the present utility model;

fig. 4 is an integrated state perspective view of the present utility model.

The reference numerals are explained as follows:

1. a battery pack outer frame; 2. a bottom ring; 3. a battery cell; 4. a mounting frame; 5. a heating sheet; 6. a liquid passing groove; 7. heating wires; 8. aluminum alloy plate; 9. a heat-insulating ring; 10. a reinforcing frame; 11. and a temperature controller.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.

Referring to fig. 1-4, the utility model provides a die-cutting power battery heating sheet, which comprises a battery pack outer frame 1, wherein a bottom ring 2 is fixedly connected to the bottom of the battery pack outer frame 1, a plurality of electric cores 3 are arranged above the bottom ring 2, a mounting frame 4 matched with the battery pack outer frame 1 is arranged above the electric cores 3, a plurality of heating sheets 5 are connected below the mounting frame 4, each heating sheet 5 is respectively positioned in a gap between two adjacent electric cores 3, a liquid through groove 6 is formed in each heating sheet 5, and an electric heating wire 7 is arranged in the liquid through groove 6.

As an alternative embodiment, the heating plate 5 is adapted to the size of the battery cell 3, so that the battery cell 3 can be heated up better.

As an alternative embodiment, the middle part of the heating plate 5 is an aluminum alloy plate 8, so that the heating plate 5 has good heat transfer effect, and heat in the liquid passing groove 6 is better transferred to the battery cell 3.

As an alternative implementation mode, the heat preservation rings 9 are arranged around the aluminum alloy plate 8, so that heat preservation can be carried out around the heating plate 5, a large amount of heat is prevented from being dissipated from the periphery of the heating plate 5, and heating energy consumption is reduced.

Specifically, the liquid passing groove 6 is arranged in an S shape, openings at two ends of the liquid passing groove 6 are all positioned at the upper end of the heating plate 5 and are connected with the mounting frame 4, so that the heating inside the heating plate 5 is more uniform, and the heating plate 5 can be connected with the mounting frame 4 after filling liquid into the liquid passing groove 6.

Specifically, the liquid through tank 6 is filled with conductive liquid, and the conductive liquid has a higher specific heat value and boiling point (so that the liquid cannot be easily boiled) and has good heat insulation property.

As an alternative embodiment, a temperature controller 11 is fixedly installed on one side of the installation frame 4, the temperature controller 11 is electrically connected with the heating wire 7, the temperature of the liquid in the liquid passing tank 6 can be controlled to be raised to a proper temperature by the temperature controller 11, and meanwhile, the temperature controller 11 can control the heating wire 7 to stop heating after being heated to a specified temperature (the prior art is omitted herein).

Specifically, the middle part fixedly connected with strengthening frame 10 of installing frame 4 can strengthen the overall structure of installing frame 4.

By adopting the structure, the electric cores 3 are sequentially arranged and arranged into the battery pack outer frame 1, the mounting frame 4 is arranged above the electric cores 3, the heating plates 5 are aligned with gaps between the electric cores 3 and inserted, the heating plates 5 are positioned in the gaps between the two adjacent electric cores 3, the electric heating wires 7 are controlled to heat the liquid in the liquid passing groove 6, the temperature of the liquid is raised, and then the heat is transferred to the whole heating plates 5 through the heat conductivity among substances, so that the attached electric cores 3 are heated.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. Die cutting power battery heating piece, its characterized in that: including battery package frame (1), the bottom fixedly connected with end ring (2) of this battery package frame (1), a plurality of electric core (3) have been placed to the top of end ring (2), and a plurality of install frame (4) with battery package frame (1) adaptation have been placed to the top of electric core (3), the below of install frame (4) is connected with a plurality of heating plates (5), and every this heating plate (5) are located the gap between two adjacent electric core (3) respectively, every the lead to cistern (6) have all been seted up to the inside of heating plate (5), are equipped with heating wire (7) in this lead to cistern (6).

2. The die cut power cell heater chip of claim 1, wherein: the heating plate (5) is matched with the battery cell (3) in size.

3. The die cut power cell heater chip of claim 1, wherein: the middle part of the heating plate (5) is an aluminum alloy plate (8).

4. A die cut power cell heater chip as defined in claim 3, wherein: and heat preservation rings (9) are arranged around the aluminum alloy plate (8).

5. The die cut power cell heater chip of claim 1, wherein: the liquid passing groove (6) is S-shaped, and openings at two ends of the liquid passing groove (6) are positioned at the upper end of the heating plate (5) and are connected with the mounting frame (4).

6. The die cut power cell heater chip of claim 1, wherein: the liquid through groove (6) is filled with conductive liquid.

7. The die cut power cell heater chip of claim 1, wherein: one side of the mounting frame (4) is fixedly provided with a temperature controller (11), and the temperature controller (11) is electrically connected with the electric heating wire (7).

8. The die cut power cell heater chip of claim 1, wherein: the middle part of the installation frame (4) is fixedly connected with a reinforcing frame (10).