New energy automobile power cell panel type heat exchanger

Abstract

The utility model discloses a new energy automobile power cell panel type heat exchanger which comprises a plate type heat exchanger and an installation frame, the installation frame is provided with a fixing groove corresponding to the plate type heat exchanger, the plate type heat exchanger is fixed in the fixing groove, and the top of the plate type heat exchanger is spaced from the top face of the installation frame. A connector of the plate heat exchanger penetrates out of the top of the mounting frame through the fixing groove, a plurality of corresponding clamping blocks and clamping grooves are arranged on the periphery of the mounting frame, a connecting bolt is further fixed to each of the four corners of the mounting frame, every two adjacent mounting frames are connected in a clamped mode when the mounting frames are connected, and a connecting piece is arranged between every two adjacent connecting bolts. The modularized plate type heat exchanger can be combined according to new energy automobile power battery packs of different models, so that the application range of the plate type heat exchanger is widened.

Description

Technical Field

[0001] The utility model relates to a plate-type heat exchanger for a power battery of a new energy vehicle. Background Art

[0002] In the existing technology, the plate heat exchanger for new energy vehicle power batteries is generally a whole-piece heat exchanger. Since the specifications and volumes of new energy vehicle power batteries of different models and brands are not consistent, the corresponding plate heat exchangers generally need to be customized, and their use is greatly restricted. Utility Model Content

[0003] The purpose of this utility model is to overcome the shortcomings of the above-mentioned existing technology and provide a modular new energy vehicle power battery plate heat exchanger. The heat exchanger can be combined according to different models of new energy vehicle power battery packs to improve the applicability of the plate heat exchanger.

[0004] The technical solution of the utility model is: a plate heat exchanger for a power battery of a new energy vehicle, comprising a plate heat exchanger and a mounting frame, wherein the mounting frame has a fixing groove corresponding to the plate heat exchanger, the plate heat exchanger is fixed in the fixing groove, a distance is maintained between the top of the plate heat exchanger and the top surface of the mounting frame, and the connector of the plate heat exchanger passes through the fixing groove and out of the top of the mounting frame;

[0005] The outer periphery of the installation frame is provided with a plurality of mutually corresponding blocks and slots, and a connecting bolt is fixed to each of the four corners of the installation frame;

[0006] When multiple mounting frames are connected, every two adjacent mounting frames are clamped together, and a connecting piece is provided between every two adjacent connecting bolts. Both ends of the connecting piece have connecting holes corresponding to the connecting bolts. Each connecting bolt passes through the corresponding connecting hole and is fixed with a nut. The joints of each plate heat exchanger are respectively connected to the two collecting main pipes.

[0007] Furthermore, the lower end of the mounting frame has a circle of convex edges corresponding to the plate heat exchanger, the area of the fixing groove is smaller than the top area of the plate heat exchanger, the plate heat exchanger and the convex edges are connected as a whole, and the top of the plate heat exchanger abuts against the mounting frame inside the convex edges.

[0008] Specifically, the plate heat exchanger is welded to the mounting frame at the convex edge and the edge of the fixing groove.

[0009] Specifically, the thickness of the convex edge is greater than or equal to the thickness of a heat exchange plate in a plate heat exchanger.

[0010] Specifically, each of the card blocks and card slots is dovetail-shaped.

[0011] Furthermore, a thickened portion is provided on the installation frame outside each of the slots.

[0012] Furthermore, each end corner of each of the clamping blocks and the clamping slots is an arc-shaped chamfer.

[0013] Furthermore, each end corner of each installation frame is an arc-shaped chamfer.

[0014] Furthermore, a gasket is provided at the connection between the nut and the connector.

[0015] Furthermore, the top of the plate heat exchanger is densely covered with concave and convex patterns.

[0016] The beneficial effects of the present invention are as follows: the present invention is a modular plate heat exchanger, and the heat exchangers can be combined according to different models of new energy vehicle power battery packs, and have a wide range of applications; the provision of the mounting frame not only expands the heat exchange area on the top of the plate heat exchanger, but also plays a protective role for the plate heat exchanger; a certain distance is maintained between the plate heat exchangers under each mounting frame, so as to facilitate auxiliary ventilation between the plate heat exchangers with the help of fans; finally, the connection between the mounting frames is convenient, fast, and reliable, and is more convenient for assembly and installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the bottom of the utility model;

[0018] Figure 2 It is a structural diagram of the top of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the side of the utility model;

[0020] Figure 4 It is a structural diagram of a plurality of the utility models combined.

[0021] In the figure: plate heat exchanger 1, mounting frame 2, fixing groove 3, clamping block 4, clamping groove 5, connecting bolt 6, connecting piece 7, flange 8, thickened part 9, joint 10. DETAILED DESCRIPTION

[0022] The technical solution of the present invention will be further specifically described below with reference to embodiments and in conjunction with the accompanying drawings.

[0023] Combine Figure 1-4As shown, the plate heat exchanger for the power battery of a new energy vehicle includes a plate heat exchanger 1 and a mounting frame 2. The mounting frame 2 has a fixing groove 3 corresponding to the plate heat exchanger 1. The plate heat exchanger 1 is fixed in the fixing groove 3. The top of the plate heat exchanger 1 and the top surface of the mounting frame 2 are spaced apart. The joint 10 of the plate heat exchanger 1 passes through the fixing groove 3 and out of the top of the mounting frame 2. After the mounting frame 2 of this structure is connected to the plate heat exchanger 1, the heat exchange area at the top of the plate heat exchanger 1 is expanded, which is conducive to improving the heat exchange efficiency of the heat exchanger. The top of the plate heat exchanger 1 is located below the top surface of the mounting frame 2. The mounting frame 2 also protects the plate heat exchanger 1.

[0024] The outer periphery of the installation frame 2 is provided with a plurality of corresponding clamping blocks 4 and clamping slots 5, and a connecting bolt 6 is fixed to each of the four corners of the installation frame 2;

[0025] When multiple mounting frames 2 are connected, every two adjacent mounting frames 2 are snap-fitted, and a connecting piece 7 is provided between every two adjacent connecting bolts 6. Both ends of the connecting piece 7 respectively have connecting holes corresponding to the connecting bolts 6. Each connecting bolt 6 passes through the corresponding connecting hole and is fixed with a nut. The joints 10 of each plate heat exchanger 1 are respectively connected to the two collecting main pipes.

[0026] The new energy vehicle power battery plate heat exchanger 1 of the above-mentioned structure is a modular heat exchanger. The heat exchanger can be combined according to different models of new energy vehicle power battery packs, and has a wide range of applications. The provision of the mounting frame 2 not only expands the heat exchange area on the top of the plate heat exchanger 1, but also protects the plate heat exchanger 1. A certain distance is maintained between the plate heat exchangers 1 under each mounting frame 2 to facilitate auxiliary ventilation of each plate heat exchanger 1 with a fan. Finally, the connection between the mounting frames 2 is convenient, fast, and reliable, making it easier to assemble and install.

[0027] In another embodiment, combined Figure 1 and Figure 3 As shown, the lower end of the mounting frame 2 has a circle of flange 8 corresponding to the plate heat exchanger 1, the area of the fixing groove 3 is smaller than the top area of the plate heat exchanger 1, the plate heat exchanger 1 and the flange 8 are connected as a whole, and the top of the plate heat exchanger 1 abuts against the mounting frame 2 inside the flange 8.

[0028] In another embodiment, the plate heat exchanger 1 is welded to the mounting frame 2 at the flange 8 and the edge of the fixing groove 3 to ensure the reliability of the connection between the plate heat exchanger 1 and the mounting frame 2 .

[0029] In another embodiment, the thickness of the convex edge 8 is greater than or equal to the thickness of a heat exchange plate in the plate heat exchanger 1 .

[0030] In another embodiment, combined Figure 1-3As shown, each of the clamping blocks 4 and the clamping slots 5 is in a dovetail shape.

[0031] In another embodiment, combined Figure 1-3 As shown, a thickened portion 9 is further provided on the mounting frame 2 outside each of the card slots 5 to improve the reliability of the combination of the card block 4 and the card slot 5 .

[0032] In another embodiment, combined Figure 1-3 As shown, each end corner of each of the clamping blocks 4 and the clamping slots 5 is arc-shaped chamfered to avoid injury to the operator during the assembly process.

[0033] In another embodiment, combined Figure 1-4 As shown, each end corner of each installation frame 2 is an arc chamfer.

[0034] In another embodiment, a gasket is further provided at the connection between the nut and the connector 7 .

[0035] In another embodiment, combined Figure 2 and Figure 4 As shown, the top of the plate heat exchanger 1 is also densely covered with concave and convex patterns to further increase the heat exchange area of the top of the plate heat exchanger 1.

Claims

1. A new energy vehicle power battery plate heat exchanger, comprising a plate heat exchanger (1) and a mounting frame (2), characterized in that: The mounting frame (2) has a fixing groove (3) corresponding to the plate heat exchanger (1), the plate heat exchanger (1) is fixed in the fixing groove (3), the top of the plate heat exchanger (1) and the top surface of the mounting frame (2) are spaced apart, and the joint (10) of the plate heat exchanger (1) passes through the fixing groove (3) and out of the top of the mounting frame (2); The outer periphery of the installation frame (2) is provided with a plurality of mutually corresponding clamping blocks (4) and clamping slots (5), and a connecting bolt (6) is fixed to each of the four corners of the installation frame (2); When a plurality of mounting frames (2) are connected, every two adjacent mounting frames (2) are snap-fitted, and a connecting piece (7) is provided between every two adjacent connecting bolts (6). Both ends of the connecting piece (7) respectively have connecting holes corresponding to the connecting bolts (6), and each connecting bolt (6) passes through the corresponding connecting hole and is fixed with a nut. The joints (10) of each plate heat exchanger (1) are respectively connected to the two collecting main pipes.

2. The new energy vehicle power battery plate heat exchanger according to claim 1, characterized in that: The lower end of the mounting frame (2) has a circle of convex edges (8) corresponding to the plate heat exchanger (1); the area of the fixing groove (3) is smaller than the top area of the plate heat exchanger (1); the plate heat exchanger (1) and the convex edges (8) are connected as a whole; the top of the plate heat exchanger (1) abuts against the mounting frame (2) inside the convex edges (8).

3. The new energy vehicle power battery plate heat exchanger according to claim 2, characterized in that: The plate heat exchanger (1) is welded to the mounting frame (2) at the convex edge (8) and the edge of the fixing groove (3).

4. The new energy vehicle power battery plate heat exchanger according to claim 3, characterized in that: The thickness of the convex edge (8) is greater than or equal to the thickness of a heat exchange plate in the plate heat exchanger (1).

5. The new energy vehicle power battery plate heat exchanger according to claim 4, characterized in that: Each of the clamping blocks (4) and the clamping slots (5) is in a dovetail shape.

6. The new energy vehicle power battery plate heat exchanger according to claim 5, characterized in that: A thickened portion (9) is also provided on the installation frame (2) outside each of the card slots (5).

7. The new energy vehicle power battery plate heat exchanger according to claim 6, characterized in that: Each end corner of each of the clamping blocks (4) and the clamping slots (5) is an arc-shaped chamfer.

8. The new energy vehicle power battery plate heat exchanger according to claim 7, characterized in that: Each end corner of each installation frame (2) is an arc chamfer.

9. The new energy vehicle power battery plate heat exchanger according to claim 8, characterized in that: A gasket is also provided at the connection between the nut and the connecting piece (7).

10. The new energy vehicle power battery plate heat exchanger according to claim 9, characterized in that: The top of the plate heat exchanger (1) is also densely covered with concave and convex patterns.

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