CN219494964U

CN219494964U - Direct cooling plate

Info

Publication number: CN219494964U
Application number: CN202223610654.5U
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Shaoxing Sanhua Automotive Thermal Management Technology Co ltd
Current assignee: Shaoxing Sanhua Automotive Thermal Management Technology Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-08-08
Anticipated expiration: 2032-12-29

Abstract

The utility model provides a direct cooling board, including first slab, the second slab, first slab includes first mating portion, the second slab includes second mating portion, first mating portion and second mating portion welded fastening, first slab includes first location portion, along first direction, first location portion includes first tip, the second tip, first tip and second tip are connected with first mating portion, along the second direction, first location portion includes first lateral part, the second lateral part, first lateral part and first mating portion clearance setting, second lateral part and first mating portion clearance setting, the second slab includes the first hole, first hole runs through the second mating portion, at least part first location portion is located first hole, at least part first lateral part contacts with the wall that forms first hole, or at least part second lateral part contacts with the wall that forms first hole, first lateral part and second lateral part and first mating portion clearance setting, can increase the relative height of first location portion, guarantee location structure's reliability.

Description

Direct cooling plate

Technical Field

The application relates to the technical field of heat exchange, in particular to a direct cooling plate.

Background

The direct cooling plate generally comprises at least two plates, a flow channel is arranged between every two adjacent plates for fluid circulation, the outer side faces of the plates are generally in direct or indirect contact with a to-be-heat-exchanged object for heat exchange, a positioning structure is generally arranged for facilitating the assembly of the two plates and then is welded and fixed, the positioning structure comprises a positioning convex hull and a positioning hole, one plate is provided with the positioning convex hull, the other plate is provided with the positioning hole at a corresponding position, the positioning convex hull is filled in the positioning hole during assembly, and therefore the positioning assembly of the two plates is realized, however, due to flatness errors of the plates, the two plates cannot be completely attached during assembly, the height of the positioning convex hull is influenced by the thickness of the plates, the height of the positioning convex hull is limited, the positioning convex hull is difficult to be filled in the positioning hole, and positioning failure is caused.

Disclosure of Invention

The utility model aims at providing a direct cooling plate, the reliability of location structure when guaranteeing the slab equipment.

An embodiment of the application provides a direct cooling plate, including first slab, second slab, first slab includes first mating portion, the second slab includes the second mating portion, first mating portion with second mating portion welded fastening, first slab includes first location portion, defines first direction and second direction, first direction with the second direction is the angle, first direction with the thickness direction of first slab is perpendicular, the second direction with the thickness direction of first slab is perpendicular, along first direction, first location portion includes first tip, second tip, first tip with first mating portion is connected, the second tip with first mating portion is connected, along the second direction, first location portion includes first lateral part, second lateral part, first lateral part with first mating portion clearance sets up, the second slab includes the first hole, the second slab is along first direction, the second lateral part is located at least first hole, first lateral part forms at least first hole, first location portion and first hole, first wall portion at least the first hole is formed to the second lateral part.

Another embodiment of the present application provides a direct cooling plate, including first slab, second slab, first slab includes first mating portion, the second slab includes second mating portion, first mating portion with second mating portion welded fastening, first slab includes first location portion, first location portion includes first tip, second tip, first tip with the direction of arranging of second tip with the thickness direction of first slab is perpendicular, first tip with first mating portion connects, second tip with first mating portion connects, at least part first location portion with first mating portion clearance sets up, the second slab includes first hole, follows the thickness direction of second slab, first hole runs through second mating portion, at least part first location portion is located first hole.

According to the technical scheme, the first end part and the second end part of the first positioning part are connected with the first matching part, at least part of the first positioning part is in clearance arrangement with the first matching part, the height of the first positioning part relative to the first matching part can be increased, even if flatness errors exist in the first plate and the second plate, at least part of the first positioning part can be ensured to be placed in the first hole during assembly, positioning between the first positioning part and the first hole is achieved, and reliability of a positioning structure is ensured.

Drawings

FIG. 1 is a schematic perspective view of one embodiment of a direct chill plate of the present application;

FIG. 2 is a schematic view of the straight cold plate of FIG. 1 in an angular configuration;

FIG. 3 is a schematic cross-sectional view of FIG. 2 along the direction A-A;

FIG. 4 is an enlarged schematic view of the structure shown at A in FIG. 3;

FIG. 5 is a schematic view of an exploded structure of the direct chill plate of FIG. 1;

FIG. 6 is an enlarged schematic view of the structure shown at B in FIG. 5;

FIG. 7 is an enlarged schematic view of FIG. 5C;

FIG. 8 is an enlarged schematic view of the structure of FIG. 5D;

FIG. 9 is a schematic cross-sectional view of still another embodiment of the first positioning portion of the direct cooling plate of the present application mated with a second plate;

fig. 10 is a schematic cross-sectional structure of an embodiment of the first positioning portion of the direct cooling plate of the present application, which is mated with the second plate and the third plate.

Detailed Description

Specific embodiments will now be described in detail with reference to the accompanying drawings. For a complete understanding of the present utility model, numerous specific details are set forth in the following detailed description, but it should be understood by those skilled in the art that the specific components, devices, and features illustrated in the drawings and described herein are merely exemplary and should not be construed as limiting.

As shown in fig. 2, the direction M is a first direction, and the direction N is a second direction, that is, the first direction is the width direction of the direct cooling plate 100, the second direction is the length direction of the direct cooling plate 100, the first direction is perpendicular to the second direction, and both the first direction and the second direction are perpendicular to the thickness direction of the first sheet 1.

As shown in fig. 1-10, the present embodiment discloses a direct cooling plate 100, where the direct cooling plate 100 includes a first plate 1 and a second plate 2, an inter-plate channel is provided between the first plate 1 and the second plate 2, the direct cooling plate 100 includes a first connection pipe 8 and a second connection pipe 9, the first connection pipe 8 is an inlet pipe, the second connection pipe 9 is an outlet pipe, fluid flows into the direct cooling plate 100 from the first connection pipe 8, flows through the inter-plate channel and then flows out from the second connection pipe 9, and fluid in the inter-plate channel exchanges heat with a heat-exchanging object outside the first plate 1 through the first plate 1 or exchanges heat with a heat-exchanging object outside the second plate 2 through the second plate 2, or exchanges heat with a heat-exchanging object outside the corresponding plate through the first plate 1 and the second plate 2, for example, a battery is arranged outside the first plate 1 and/or the second plate 2, cooling water is supplied in the inter-plate channel, and heat of the cooling water battery is cooled, so that the service life of the battery is prolonged. It should be noted that the inter-plate channel may be formed by processing the first plate 1 to form a concave-convex structure and forming in cooperation with the second plate 2, and the first plate 1 and the second plate 2 may be welded and fixed to form an inter-plate channel, or may also be processed and formed in the second plate 2 to form a concave-convex structure, and the first plate 1 may be flat, the second plate 2 may be welded and fixed to form an inter-plate channel with the first plate 1, or may be processed and formed in both the first plate 1 and the second plate 2, and the first plate 1 and the second plate 2 may be matched to form an inter-plate channel, or may be provided with a runner plate between the first plate 1 and the second plate 2 to realize turbulence of the inter-plate channel.

As shown in fig. 2 and 5, the first sheet 1 includes the first mating portion 11, the second sheet 2 includes the second mating portion 21, the first mating portion 11 and the second mating portion 21 are welded and fixed, the first sheet 1 includes the first positioning portion 12, the first positioning portion 12 includes the first end portion 1201 and the second end portion 1202, the first end portion 1201 is connected with the first mating portion 11, the second end portion 1202 is connected with the first mating portion 11, along the second direction, the first positioning portion 12 includes the first side portion 1203 and the second side portion 1204, the first side portion 1203 is disposed in a gap with the first mating portion 11, the second side portion 1204 is disposed in a gap with the first mating portion 11, the height of the first positioning portion 12 relative to the first mating portion 11 can be increased, even if there is a flatness error between the first sheet 1 and the second sheet 2, the first positioning portion 12 can be ensured to be placed in the first hole 22 during assembly, or at least part of the first side portion 1203 is in contact with the wall forming the first hole 22, so that the reliability of positioning structure between the first positioning portion 12 and the first positioning portion 22 is ensured. As shown in fig. 4 to 6, the first positioning portion 12 includes a first straight portion 121, a first connecting portion 122, and a second connecting portion 123, the first connecting portion 122 is connected to one end of the first straight portion 121, the second connecting portion 123 is connected to the other end of the first straight portion 121, the first connecting portion 122 is connected to the first fitting portion 11, the second connecting portion 123 is connected to the first fitting portion 11, a first gap 124 is provided between the first straight portion 121 and the first fitting portion 11, the second sheet 2 includes a first hole 22, the first hole 22 penetrates the second fitting portion 21 in a thickness direction of the second sheet 2, and at least a part of the first positioning portion 12 is located in the first hole 22. The first straight portion 121 is connected with the first mating portion 11 through the first connecting portion 122 and the second connecting portion 123, a first gap 124 is formed between the first straight portion 121 and the first mating portion 11, the first straight portion 121 is arranged at the top of the first positioning portion 12, when the first straight portion 121 is located in the first hole 22, the contact area between the first positioning portion 12 and the first hole 22 is increased, and positioning reliability is improved.

As shown in fig. 2-5, in the present embodiment, the direct cooling plate 100 has a rectangular structure, the second plate 1 has a flat plate structure, the second mating portion 21 is a region between the broken line and the outer edge of the second plate 2 in fig. 2, the first plate 1 includes a third end portion 4, a fourth end portion 5, a third side portion 6, and a fourth side portion 7, the third end portion 4 and the fourth end portion 5 are located at two ends of the first plate 1 along the first direction, the third side portion 6 and the fourth side portion 7 are located at two sides of the first plate 1 along the second direction, and the first positioning portion 12 is close to the third end portion 4, and of course, the first positioning portion 12 may also be close to the fourth end portion 5, or close to the third side portion 6, or close to the fourth side portion 7. The first positioning part 12 is located at the first matching part 11, the first hole 22 penetrates through the second matching part 21, and the first matching part 11 and the second matching part 21 are welded and fixed, so that the welding position is arranged around the first positioning part 12 and the first hole 22, sealing treatment is not needed at the positioning structure, and the positioning structure is simplified.

In some embodiments, as shown in fig. 6, the first positioning portion 12 includes a first straight portion 121, a first connecting portion 122, and a second connecting portion 123, where the first connecting portion 122, the first straight portion 121, and the second connecting portion 123 are arranged along a first direction, the first positioning portion 12 is integrally elongated, two ends of the first positioning portion 12 are connected with the first mating portion 11, two sides of the first positioning portion 12 are separated from the first mating portion 11, the first hole 22 is elongated, a dimension of the first hole 22 along the first direction is greater than a dimension of the first hole 22 along the second direction, and, as shown in fig. 4, a gap is provided between the first connecting portion 122 and the second connecting portion 123 and the first hole 22 along the first direction, so that the first positioning portion 12 is installed in the first hole 22, and the first connecting portion 122 and the second connecting portion 123 are attached to the positioning hole 22 along the second direction, so that the first plate 1 and the second plate 2 are positioned.

In some embodiments, as shown in fig. 4, the thickness of the first mating portion 11 is defined as h1, the first straight portion 121 includes a first side 1211 and a second side 1212 along the thickness direction of the first sheet 1, the first side 1211 is close to the first mating portion 11 relative to the second side 1212, the distance between the second side 1212 and the first mating portion 11 is defined as h2 along the thickness direction of the first sheet 1, wherein 2.ltoreq.h2/h 1.ltoreq.4, the height of the first positioning portion 12 is not limited by the thickness of the first sheet 1 due to the adjustment of the structure of the first positioning portion 12, the height of the first positioning portion 12 can be adjusted according to the assembly requirement, by arranging 2.ltoreq.h2/h 1.ltoreq.4, it is not only ensured that the first positioning portion 12 has a sufficient height to facilitate the positioning assembly between the first sheet 1 and the second sheet 2, but also that the first positioning portion 12 does not protrude too high to affect the product appearance.

In some embodiments, the direct cooling plate arrangement further comprises a second positioning portion and a third positioning portion, as shown in fig. 5, 7 and 8, the first plate 1 comprises a second positioning portion 13, the second positioning portion 13 comprises a second straight portion 131, a third connecting portion 132 and a fourth connecting portion 133, the third connecting portion 132 is connected with one end portion of the second straight portion 131, the fourth connecting portion 133 is connected with the other end portion of the second straight portion 131, the third connecting portion 132 is connected with the first mating portion 11, the fourth connecting portion 133 is connected with the first mating portion 11, a second gap 134 is provided between the second straight portion 131 and the first mating portion 11, the second plate 2 comprises a second hole 23, the second hole 23 penetrates through the second mating portion 21 along the thickness direction of the second plate 2, at least part of the second positioning portion 13 is located in the second hole 23, and the second positioning portion 13 is close to the fourth end portion 5. The first sheet 1 includes a third positioning portion 14, the third positioning portion 14 includes a third straight portion 141, a fifth connecting portion 142, and a sixth connecting portion 143, the fifth connecting portion 142 is connected to one end portion of the third straight portion 141, the sixth connecting portion 143 is connected to the other end portion of the third straight portion 141, the fifth connecting portion 142 is connected to the first mating portion 11, the sixth connecting portion 143 is connected to the first mating portion 11, a third gap 144 is provided between the third straight portion 141 and the first mating portion 11, the second sheet 2 includes a third hole 24, the third hole 24 penetrates the second mating portion 21 in a thickness direction of the second sheet 2, at least a portion of the third positioning portion 14 is located in the third hole 24, and the third positioning portion 14 is close to the fourth side portion 7.

As shown in fig. 5, the first positioning portion 12 is close to the third end portion 4 of the first sheet 1, the second positioning portion 13 is close to the fourth end portion 5 of the first sheet 1, the third positioning portion 14 is close to the fourth side portion 7 of the first sheet 1, the third connecting portion 132, the second straight portion 131, and the fourth connecting portion 133 are arranged along the first direction, the size of the second hole 23 along the first direction is larger than the size of the second hole 23 along the second direction, the fifth connecting portion 142, the third straight portion 141, and the sixth connecting portion 143 are arranged along the second direction, the size of the third hole 24 along the second direction is larger than the size of the third hole 24 along the first direction, the first positioning portion 12 and the second positioning portion 13 are staggered along the first direction, specifically, the first positioning portion 12 is closer to the third side portion 6 than the second positioning portion 13, and the first positioning portion 12 and the second positioning portion 13 are arranged at different positions of the first mating portion 11 by setting the first positioning portion 12, the second positioning portion 13, and the third positioning portion 14 at different positions of the first mating portion 11, and the positioning structure is staggered.

In some embodiments, as shown in fig. 9, the first straight portion 121 includes a first side 1211 and a second side 1212, the first side 1211 is close to the first mating portion 11 relative to the second side 1212, the second mating portion 21 includes a third side 211 and a fourth side 212, the third side 211 is far away from the first mating portion 11 relative to the fourth side 212, the second side 1212 is flush with the third side 211, and the second side 1212 is flush with the third side 211, so that the flatness of the outer surface of the direct cooling plate 100 is better, the interference with the heat to be exchanged is avoided, and the heat exchanging area of the surface of the direct cooling plate 100 is fully utilized.

In some embodiments, as shown in fig. 9, the thickness of the second mating portion 21 is greater than the thickness of the first mating portion 11, the thickness of the first mating portion 11 is defined as h1, the first straight portion 121 includes a first side 1211 and a second side 1212, the first side 1211 is close to the first mating portion 11 relative to the second side 1212, the distance between the second side 1212 and the first mating portion 11 is defined as h2 along the thickness direction of the first sheet 1, the thickness of the second mating portion 21 is defined as h3, wherein h2 is greater than or equal to h1+h3, the first positioning portion 12 is located at the first mating portion 11 with a smaller thickness, the processing of the first positioning portion 12 is facilitated, and the mating height of the first positioning portion 12 and the first hole 22 is increased, the reliability of the positioning structure is ensured, the distance between the second side 1212 of the first straight part 121 and the first matching part 11 is larger than the sum of the thicknesses of the first matching part 11 and the second matching part 21, namely the height of the first positioning part 12 is larger than the sum of the thicknesses of the first matching part 11 and the second matching part 21, so that the first positioning part 12 is ensured to be capable of being installed in the first hole 22 on the basis of the flatness error of the first plate 1 and the second plate 2, the reliability of the positioning structure is ensured, and the first positioning part 12 and the second plate 2 can be flattened after the assembly is completed, thereby ensuring the flatness of the outer surface of the direct cooling plate 100.

In some specific embodiments, as shown in fig. 10, the direct cooling plate 100 includes a first plate 1, a second plate 2 and a third plate 3, the third plate 3 is located between the first plate 1 and the second plate 2, the third plate 3 includes a third mating portion 31, the third mating portion 31 is welded to the first mating portion 11, the third mating portion 31 is welded to the second mating portion 21, an inter-plate channel may be disposed between the third plate 3 and the first plate 1, an inter-plate channel may be disposed between the third plate 3 and the second plate 2, the two inter-plate channels may be communicated at any position, the two inter-plate channels may also adopt a serial structure, the third plate 3 includes a fourth hole 32, a part of the first positioning portion 12 is located in the first hole 22, at least a part of the first side portion 1203 is in contact with a wall forming the fourth hole 32, or at least a part of the second side portion 1204 is in contact with a wall forming the fourth hole 32, and the number of positioning structures for positioning the second plate and the third plate together may be reduced by the first positioning portion 12.

Of course, the first plate 1 may be provided with a positioning structure and a positioning hole of the third plate 3, and the third plate 3 may be provided with a positioning structure and a positioning hole of the second plate 2.

It should be noted that: the reservoir provided by the present application is described in detail above. Specific examples are set forth herein to illustrate the principles and embodiments of the present application, and the description of the examples above is only intended to assist in understanding the core ideas of the present application. It should be noted that it would be obvious to those skilled in the art that various improvements and modifications can be made to the present application without departing from the principles of the present application, and such improvements and modifications fall within the scope of the claims of the present application.

Claims

1. A direct cooling plate (100) characterized by comprising a first plate (1) and a second plate (2), wherein the first plate (1) comprises a first matching part (11), the second plate (2) comprises a second matching part (21), the first matching part (11) is welded and fixed with the second matching part (21), the first plate (1) comprises a first positioning part (12), a first direction and a second direction are defined, the first direction is angled with the second direction, the first direction is perpendicular to the thickness direction of the first plate (1), the second direction is perpendicular to the thickness direction of the first plate (1), the first positioning part (12) comprises a first end part (1201) and a second end part (1202), the first end part (1201) is connected with the first matching part (11), the first end part (1202) is connected with the first matching part (11), the first positioning part (12) comprises a first side part (1203), the first side part (1203) is arranged with a first clearance (1204) along the first direction, the second positioning part (12) comprises a first clearance (1203) and the first side part (1204) is arranged along the first clearance (2), the first hole (22) penetrates the second fitting portion (21), at least part of the first positioning portion (12) is located in the first hole (22), at least part of the first side portion (1203) is in contact with a wall forming the first hole (22), or at least part of the second side portion (1204) is in contact with a wall forming the first hole (22).

2. The direct chill plate (100) of claim 1, wherein the first direction is perpendicular to the second direction, the first positioning section (12) is elongated, the first end section (1201) is spaced from the second end section (1202) in the first direction by a greater distance than the first side section (1203) is spaced from the second side section (1204) in the second direction, and the first aperture (22) is sized in the first direction by a greater dimension than the first aperture (22) is sized in the second direction.

3. The direct chill plate (100) of claim 1, wherein the first positioning section (12) comprises a first straight section (121), a first connecting section (122), a second connecting section (123), the first connecting section (122) being connected to one end of the first straight section (121), the second connecting section (123) being connected to the other end of the first straight section (121), the first connecting section (122) being connected to the first mating section (11), the second connecting section (123) being connected to the first mating section (11), the first connecting section (122), the first straight section (121), the second connecting section (123) being aligned in the first direction, the first straight section (121) comprising a first side (1211) and a second side (1212), the first side (1211) being adjacent to the first mating section (11) with respect to the second side (1212), the second connecting section (123) being connected to the first mating section (11), the third side (211) being opposite to the fourth side (211), the third side (211) being distant from the first side (211).

4. The direct cooling plate (100) according to claim 1, wherein the first positioning portion (12) comprises a first straight portion (121), a first connecting portion (122) and a second connecting portion (123), the first connecting portion (122) is connected with one end of the first straight portion (121), the second connecting portion (123) is connected with the other end of the first straight portion (121), the first connecting portion (122) is connected with the first mating portion (11), the second connecting portion (123) is connected with the first mating portion (11), a thickness h1 of the first mating portion (11) is defined, the first straight portion (121) comprises a first side surface (1211) and a second side surface (1212) along a thickness direction of the first sheet (1), the first side surface (1211) is close to the first mating portion (11) relative to the second side surface (1212), and a distance h2 is defined as h2 or less along the thickness direction of the first sheet (1).

5. The direct cooling plate (100) according to claim 1, wherein the first positioning portion (12) comprises a first straight portion (121), a first connecting portion (122) and a second connecting portion (123), the first connecting portion (122) is connected with one end of the first straight portion (121), the second connecting portion (123) is connected with the other end of the first straight portion (121), the first connecting portion (122) is connected with the first mating portion (11), the second connecting portion (123) is connected with the first mating portion (11), the thickness of the second mating portion (21) is larger than the thickness of the first mating portion (11), the thickness of the first mating portion (11) is defined as h1, the first straight portion (121) comprises a first side surface (1211) and a second side surface (1212), the first side surface (1211) is adjacent to the other end of the first straight portion (121), the thickness of the second mating portion (21) is defined as h1 along the first mating portion (11), and the thickness of the first side surface (21) is defined as h2, the thickness of the first mating portion (21) is defined as h 2.

6. The direct chill plate (100) according to any one of claims 1-5, wherein the first plate (1) comprises a third end portion (4), a fourth end portion (5), a third side portion (6), a fourth side portion (7), the third side portion (6) and the fourth side portion (7) being located on both sides of the first plate (1) in the first direction, the third end portion (4) and the fourth end portion (5) being located on both ends of the first plate (1) in the second direction, the first positioning portion (12) being located close to the third end portion (4) or the first positioning portion (12) being located close to the fourth end portion (5).

7. The direct cooling plate (100) according to claim 6, wherein the first plate (1) comprises a second positioning portion (13), the second positioning portion (13) comprises a second straight portion (131), a third connecting portion (132) and a fourth connecting portion (133), the third connecting portion (132) is connected with one end of the second straight portion (131), the fourth connecting portion (133) is connected with the other end of the second straight portion (131), the third connecting portion (132) is connected with the first mating portion (11), the fourth connecting portion (133) is connected with the first mating portion (11), a second gap (134) is provided between the second straight portion (131) and the first mating portion (11), the second plate (2) comprises a second hole (23), the second hole (23) penetrates through the second mating portion (21) in a thickness direction of the second plate (2), and at least a part of the second positioning portion (13) is located close to the second positioning portion (13) and the second positioning portion (23) is located close to the second hole (13).

8. The direct cooling plate (100) according to claim 7, wherein the first plate (1) comprises a third positioning portion (14), the third positioning portion (14) comprises a third flat portion (141), a fifth connecting portion (142), a sixth connecting portion (143), the fifth connecting portion (142) is connected with one end of the third flat portion (141), the sixth connecting portion (143) is connected with the other end of the third flat portion (141), the fifth connecting portion (142) is connected with the first mating portion (11), the sixth connecting portion (143) is connected with the first mating portion (11), a third gap (144) is provided between the third flat portion (141) and the first mating portion (11), the second plate (2) comprises a third hole (24), the third hole (24) penetrates through the second mating portion (21) in a thickness direction of the second plate (2), and at least the third positioning portion (24) is formed near the third positioning portion (14) or the third positioning portion (24) and the fourth positioning portion (14).

9. The direct cooling plate (100) according to claim 8, wherein the third connecting portion (132), the second flat portion (131), the fourth connecting portion (133) are arranged along the first direction, the second hole (23) is larger in size along the first direction than the second hole (23), the fifth connecting portion (142), the third flat portion (141), the sixth connecting portion (143) are arranged along the second direction, the third hole (24) is larger in size along the second direction than the third hole (24), and the second positioning portion (13) is provided offset from the first positioning portion (12) along the second direction.

10. The direct chill plate (100) according to any one of claims 1-5, wherein the direct chill plate (100) comprises a third plate (3), the third plate (3) being located between the first plate (1) and the second plate (2), the third plate (3) comprising a third mating part (31), the third mating part (31) being welded to the first mating part (11), the third mating part (31) being welded to the second mating part (21), the third plate (3) comprising a fourth hole (32), a part of the first positioning part (12) being located in the first hole (22), at least a part of the first side being in contact with a wall forming the fourth hole (32), or at least a part of the second side being in contact with a wall forming the fourth hole (32).

11. A direct cooling plate (100), which is characterized by comprising a first plate (1) and a second plate (2), wherein the first plate (1) comprises a first matching part (11), the second plate (2) comprises a second matching part (21), the first matching part (11) and the second matching part (21) are welded and fixed, a first direction and a second direction are defined, the first direction is perpendicular to the thickness direction of the first plate (1), the second direction is perpendicular to the thickness direction of the first plate (1), the first direction is perpendicular to the second direction, the first plate (1) comprises a first positioning part (12), the first positioning part (12) comprises a first end part (1201) and a second end part (1202), the arrangement direction of the first end part (1201) and the second end part (1202) is perpendicular to the thickness direction of the first plate (1), the first end part (1201) is connected with the first matching part (11), the second end part (1201) and the second end part (22) are connected with the first plate (2) along at least one hole (22), at least part of the first positioning portion (12) is located in the first hole (22).

12. The direct cooling plate (100) according to claim 11, wherein the first positioning portion (12) is elongated, the first end portion (1201) and the second end portion (1202) are arranged along a first direction, the first positioning portion (12) includes a first side portion (1203) and a second side portion (1204), the first side portion (1203) and the second side portion (1204) are arranged along a second direction, a distance between the first end portion (1201) and the second end portion (1202) along the first direction is greater than a distance between the first side portion (1203) and the second side portion (1204) along the second direction, and a dimension of the first hole (22) along the first direction is greater than a dimension of the first hole (22) along the second direction.

13. The direct chill plate (100) of claim 11, wherein the first positioning section (12) comprises a first straight section (121), a first connecting section (122), a second connecting section (123), the first connecting section (122) being connected to one end of the first straight section (121), the second connecting section (123) being connected to the other end of the first straight section (121), the first connecting section (122) being connected to the first mating section (11), the second connecting section (123) being connected to the first mating section (11), the first connecting section (122), the first straight section (121), the second connecting section (123) being aligned in the first direction, the first straight section (121) comprising a first side (1211) and a second side (1212), the first side (1211) being adjacent to the first mating section (11) with respect to the second side (1212), the second connecting section (123) being connected to the first mating section (11), the third side (211) being opposite to the fourth side (211), the third side (211) being distant from the first side (211).

14. The direct cooling plate (100) according to claim 11, wherein the first positioning portion (12) comprises a first straight portion (121), a first connecting portion (122), and a second connecting portion (123), the first connecting portion (122) is connected to one end of the first straight portion (121), the second connecting portion (123) is connected to the other end of the first straight portion (121), the first connecting portion (122) is connected to the first mating portion (11), the second connecting portion (123) is connected to the first mating portion (11), a thickness h1 of the first mating portion (11) is defined, the first straight portion (121) comprises a first side surface (1211) and a second side surface (1212) along a thickness direction of the first sheet (1), the first side surface (1211) is adjacent to the first mating portion (11) with respect to the second side surface (1212), and a distance h2 is defined as a distance h2 or less along the thickness direction of the first sheet (1) and the second side surface (1212) is defined as h2 or less.

15. The direct cooling plate (100) according to claim 11, wherein the first positioning portion (12) comprises a first straight portion (121), a first connecting portion (122) and a second connecting portion (123), the first connecting portion (122) is connected with one end of the first straight portion (121), the second connecting portion (123) is connected with the other end of the first straight portion (121), the first connecting portion (122) is connected with the first mating portion (11), the second connecting portion (123) is connected with the first mating portion (11), the thickness of the second mating portion (21) is larger than the thickness of the first mating portion (11), the thickness of the first mating portion (11) is defined as h1, the first straight portion (121) comprises a first side surface (1211) and a second side surface (1212), the first side surface (1211) is adjacent to the other end of the first straight portion (121), the thickness of the second mating portion (21) is defined as h1 along the first mating portion (11), and the thickness of the first side surface (21) is defined as h2, the thickness of the first mating portion (21) is defined as h 2.

16. The direct cooling plate (100) according to any one of claims 11-15, wherein a first direction and a second direction are defined, the first direction being perpendicular to the thickness direction of the first plate (1), the second direction being perpendicular to the thickness direction of the first plate (1), the first direction being perpendicular to the second direction, the first positioning portion (12) being elongated, the first end portion (1201) being arranged with the second end portion (1202) in the first direction, the first positioning portion (12) comprising a first side portion (1203), a second side portion (1204), the first side portion (1203) being arranged with the second side portion (1204) in the second direction, the first plate (1) comprising a third end portion (4), a fourth end portion (5), a fourth side portion (6), a fourth side portion (7), the third side portion (6) and the fourth side portion (7) being located on both sides of the first plate (1) in the first direction, the second side portion (1201) being located on the third end portion (4) and the fourth side portion (7), the first side portion (4) being located on the first side of the first plate (1), the first side portion (12) being located on the second side of the first plate (1).

17. The direct cooling plate (100) according to claim 16, wherein the first plate (1) comprises a second positioning portion (13), the second positioning portion (13) comprises a second straight portion (131), a third connecting portion (132) and a fourth connecting portion (133), the third connecting portion (132) is connected with one end portion of the second straight portion (131), the fourth connecting portion (133) is connected with the other end portion of the second straight portion (131), the third connecting portion (132) is connected with the first mating portion (11), the fourth connecting portion (133) is connected with the first mating portion (11), a second gap (134) is provided between the second straight portion (131) and the first mating portion (11), the second plate (2) comprises a second hole (23), the second hole (23) penetrates through the second mating portion (21) in a thickness direction of the second plate (2), and at least the second end portion (13) is located near the second positioning portion (5).

18. The direct cooling plate (100) according to claim 17, wherein the first plate (1) comprises a third positioning portion (14), the third positioning portion (14) comprises a third straight portion (141), a fifth connecting portion (142), a sixth connecting portion (143), the fifth connecting portion (142) is connected with one end of the third straight portion (141), the sixth connecting portion (143) is connected with the other end of the third straight portion (141), the fifth connecting portion (142) is connected with the first mating portion (11), the sixth connecting portion (143) is connected with the first mating portion (11), a third gap (144) is provided between the third straight portion (141) and the first mating portion (11), the second plate (2) comprises a third hole (24), the third hole (24) penetrates through the second mating portion (21) in a thickness direction of the second plate (2), and at least the third positioning portion (14) is located near the third positioning portion (6) or the fourth side portion (7).

19. The direct cooling plate (100) according to claim 18, wherein the third connecting portion (132), the second flat portion (131), the fourth connecting portion (133) are arranged along the first direction, the second hole (23) has a larger dimension along the first direction than the second hole (23), the fifth connecting portion (142), the third flat portion (141), the sixth connecting portion (143) are arranged along the second direction, the third hole (24) has a larger dimension along the second direction than the third hole (24), and the second positioning portion (13) is arranged offset from the first positioning portion (12) along the second direction.

20. The direct chill plate (100) according to any one of claims 11-15, wherein the direct chill plate (100) comprises a third plate (3), the third plate (3) being located between the first plate (1) and the second plate (2), the third plate (3) comprising a third mating portion (31), the third mating portion (31) being welded to the first mating portion (11), the third mating portion (31) being welded to the second mating portion (21), the third plate (3) comprising a fourth hole (32), a portion of the first locating portion (12) being located in the first hole (22).