Flow channel sealing structure of profile liquid cooling plate

Abstract

The utility model discloses a runner sealing structure of a profile liquid cooling plate, which comprises a runner plate I, a runner plate II, a runner plate III and a runner plate IV which are sequentially welded from right to left, welding positions between the runner plate I and the runner plate II, between the runner plate II and the runner plate III and between the runner plate III and the runner plate IV are respectively a welding seam I, a welding seam II and a welding seam III; a first front sealing strip and a first rear sealing strip which are welded into a whole are arranged at the bottom of the first runner plate, a second front sealing strip and a second rear sealing strip which are welded into a whole are arranged at the bottom of the second runner plate, and a third front sealing strip and a third rear sealing strip which are welded into a whole are arranged at the bottom of the third runner plate. According to the utility model, the plurality of runner plates are independently sealed, and the welding seam position, which may cause leakage, of the liquid cooling plate is designed outside the battery cell mounting area of the whole box body, so that the possibility that leaked cooling liquid enters the battery cell mounting area of the whole box body is fundamentally avoided, and the use safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to energy storage battery liquid cooling plate technical field, concretely is a flow channel sealing structure of sectional material liquid cooling plate. BACKGROUND

[0002] With the rapid development of new energy automobile and energy storage market, the safety, life, endurance mileage and performance of battery become the focus of users and manufacturers, a large amount of heat is generated in the working process of battery, if not effectively managed, will influence the battery performance and life, and even possibly lead to safety accidents.

[0003] Liquid cooling plate as the important component in battery thermal management system, its main function is through the circulation of cooling liquid in the flow channel in the plate, takes away the heat generated by battery, thereby realizes effective heat exchange and temperature control, and the design and manufacturing process of liquid cooling plate directly influence the efficiency and reliability of thermal management system.

[0004] The flow channel sealing of liquid cooling plate is completed by welding, and it is impossible to guarantee 100% no leakage, the traditional liquid cooling plate flow channel sealing design has a big hidden danger, once the cooling liquid leaks into the battery cell installation area in the box, will cause poor insulation and cause the battery pack to catch fire, a high safety flow channel sealing structure is needed, which can ensure that the cooling liquid does not enter the battery cell installation area in the box when the flow channel leaks, and also can achieve quick repair of the leakage point, therefore, the application provides a flow channel sealing structure of sectional material liquid cooling plate to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model discloses a flow channel sealing structure of sectional material liquid cooling plate to solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a flow channel sealing structure of sectional material liquid cooling plate, flow channel plate one, flow channel plate two, flow channel plate three, flow channel plate four are welded from right to left, welding positions between flow channel plate one and flow channel plate two, flow channel plate two and flow channel plate three and flow channel plate three and flow channel plate four are respectively weld one, weld two and weld three;

[0007] The bottom of flow channel plate one is provided with front sealing strip one and rear sealing strip one welded into an integral whole, the bottom of flow channel plate two is provided with front sealing strip two and rear sealing strip two welded into an integral whole, the bottom of flow channel plate three is provided with front sealing strip three and rear sealing strip three welded into an integral whole, and the bottom of flow channel plate four is provided with front sealing strip four and rear sealing strip four welded into an integral whole;

[0008] The front sides of flow channel plate 1, flow channel plate 2, flow channel plate 3 and flow channel plate 4 are welded with the same front crossbeam, and the rear sides of flow channel plate 1, flow channel plate 2, flow channel plate 3 and flow channel plate 4 are welded with the same rear crossbeam.

[0009] The front side of the front crossbeam is welded with a flow collection cavity that forms an inlet and outlet confluence with flow channel plate one, flow channel plate two, flow channel plate three and flow channel plate four.

[0010] Preferably, weld seam one, weld seam two, and weld seam three are all used to serve as connections that do not participate in sealing.

[0011] Preferably, the welding positions between the flow channel plate 1 and the front sealing strip 1 and the rear sealing strip 1 are weld seam 9 and weld seam 10, respectively. After the front sealing strip 1 and the rear sealing strip 1 are welded through weld seam 9 and weld seam 10, they form an independent seal for the flow channel plate 1.

[0012] Preferably, the welding positions between the flow channel plate 2 and the front sealing strip 2 and the rear sealing strip 2 are weld seam 8 and weld seam 11, respectively. After the front sealing strip 2 and the rear sealing strip 2 are welded through weld seam 8 and weld seam 11, they form an independent seal for the flow channel plate 2.

[0013] Preferably, the welding positions between the flow channel plate three and the front sealing strip three and the rear sealing strip three are weld seam seven and weld seam twelve, respectively. After the front sealing strip three and the rear sealing strip three are welded through weld seam seven and weld seam twelve, they form an independent seal for the flow channel plate three.

[0014] Preferably, the welding positions between the flow channel plate four and the front sealing strip four and the rear sealing strip four are weld seam six and weld seam thirteen, respectively. After the front sealing strip four and the rear sealing strip four are welded through weld seam six and weld seam thirteen, they form an independent seal for the flow channel plate four.

[0015] Preferably, the manifold is provided with a weld fourteen for sealing.

[0016] Preferably, the welding positions between the front crossbeam and the rear crossbeam and the flow channel plate 1, flow channel plate 2, flow channel plate 3 and flow channel plate 4 are weld seam 4 and weld seam 5, respectively. The front crossbeam and the rear crossbeam are welded together with the flow channel plate 1, flow channel plate 2, flow channel plate 3 and flow channel plate 4 through weld seam 4 and weld seam 5, which is used to seal the battery cell installation area formed on the inner side of the box.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] 1. By setting weld seam 6, weld seam 7, weld seam 8, weld seam 9, weld seam 10, weld seam 11, weld seam 12, weld seam 13, flow channel plate 1, front sealing strip 1, rear sealing strip 1, flow channel plate 2, front sealing strip 2, rear sealing strip 2, flow channel plate 3, front sealing strip 3, rear sealing strip 3, flow channel plate 4, front sealing strip 4 and rear sealing strip 4 in combination, the relatively independent sealing effect of each flow channel plate is achieved;

[0019] And the welding position of the plurality of sealing strips is located outside the welding position of the front cross beam and the rear cross beam, that is, arranged outside the weld four and the weld five, and the weld fourteen on the current collecting cavity is also arranged outside the front cross beam, that is, if any one of the above welds for external sealing leaks, the cooling liquid will be isolated by the weld four and the weld five outside the entire battery cell mounting area, achieving high safety insulation effect, effectively fundamentally eliminating the possibility of leaked cooling liquid entering the entire battery cell mounting area, improving use safety;

[0020] 2, In addition, due to the above-mentioned weld for external sealing is arranged outside the entire battery cell mounting area, the leakage point repair is very convenient, and the resealing can be completed in a short time.

[0021] The utility model discloses a plurality of flow channel plates are independently sealed, and the welding position that the liquid cooling plate can cause leakage is designed outside the entire battery cell mounting area, fundamentally eliminating the possibility of leaked cooling liquid entering the entire battery cell mounting area, improving use safety. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1 It is a top view structure schematic diagram of the flow channel sealing structure of the profile liquid cooling plate provided by the utility model;

[0023] Fig. 2 It is a front view structure schematic diagram of the flow channel sealing structure of the profile liquid cooling plate provided by the utility model;

[0024] Fig. 3 It is a rear view structure schematic diagram of the flow channel sealing structure of the profile liquid cooling plate provided by the utility model.

[0025] In the drawing: 1, flow channel plate one;1a, weld one;1b, front sealing strip one;1c, rear sealing strip one;2, flow channel plate two;2a, weld two;2b, front sealing strip two;2c, rear sealing strip two;3, flow channel plate three;3a, weld three;3b, front sealing strip three;3c, rear sealing strip three;4, flow channel plate four;4b, front sealing strip four;4c, rear sealing strip four;401, front cross beam;4a, weld four;5, rear cross beam;5a, weld five;6, weld six;7, weld seven;8, weld eight;9, weld nine;10, weld ten;11, weld eleven;12, weld twelve;13, weld thirteen;14, current collecting cavity;14a, weld fourteen. DETAILED DESCRIPTION

[0026] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the present utility model.

[0027] As shown in Figs. 1 to 3 The present embodiment proposes a flow channel sealing structure of profile liquid cooling plate, which comprises flow channel plate one 1, flow channel plate two 2, flow channel plate three 3 and flow channel plate four 4 welded in sequence from right to left, and the welding positions between flow channel plate one 1 and flow channel plate two 2, between flow channel plate two 2 and flow channel plate three 3 and between flow channel plate three 3 and flow channel plate four 4 are respectively weld seam one 1a, weld seam two 2a and weld seam three 3a.

[0028] The bottom of flow channel plate one 1 is provided with front sealing strip one 1b and rear sealing strip one 1c welded integrally, the bottom of flow channel plate two 2 is provided with front sealing strip two 2b and rear sealing strip two 2c welded integrally, the bottom of flow channel plate three 3 is provided with front sealing strip three 3b and rear sealing strip three 3c welded integrally, and the bottom of flow channel plate four 4 is provided with front sealing strip four 4b and rear sealing strip four 4c welded integrally.

[0029] The front side of flow channel plate one 1, flow channel plate two 2, flow channel plate three 3 and flow channel plate four 4 is welded with the same front cross beam 401, and the rear side of flow channel plate one 1, flow channel plate two 2, flow channel plate three 3 and flow channel plate four 4 is welded with the same rear cross beam 5, the welding positions between the front cross beam 401 and the rear cross beam 5 and flow channel plate one 1, flow channel plate two 2, flow channel plate three 3 and flow channel plate four 4 are respectively weld seam four 4a and weld seam five 5a, the front cross beam 401 and the rear cross beam 5 are welded together with flow channel plate one 1, flow channel plate two 2, flow channel plate three 3 and flow channel plate four 4 through weld seam four 4a and weld seam five 5a, for sealing the box cell installation area formed on the inner side.

[0030] The front side of the front cross beam 401 is welded with the current collection cavity 14 formed by flow channel plate one 1, flow channel plate two 2, flow channel plate three 3 and flow channel plate four 4.

[0031] Specifically, weld seam one 1a, weld seam two 2a and weld seam three 3a are all used for connecting without sealing, to facilitate the convenient welding of flow channel plate one 1, flow channel plate two 2, flow channel plate three 3 and flow channel plate four 4 together in advance.

[0032] Further, the welding positions between the flow channel plate one 1 and the front sealing strip one 1b and the rear sealing strip one 1c are respectively the weld nine 9 and the weld ten 10, the front sealing strip one 1b and the rear sealing strip one 1c form independent sealing to the flow channel plate one 1 after being welded by the weld nine 9 and the weld ten 10, the welding positions between the flow channel plate two 2 and the front sealing strip two 2b and the rear sealing strip two 2c are respectively the weld eight 8 and the weld eleven 11, the front sealing strip two 2b and the rear sealing strip two 2c form independent sealing to the flow channel plate two 2 after being welded by the weld eight 8 and the weld eleven 11, the welding positions between the flow channel plate three 3 and the front sealing strip three 3b and the rear sealing strip three 3c are respectively the weld seven 7 and the weld twelve 12, the front sealing strip three 3b and the rear sealing strip three 3c form independent sealing to the flow channel plate three 3 after being welded by the weld seven 7 and the weld twelve 12, the welding positions between the flow channel plate four 4 and the front sealing strip four 4b and the rear sealing strip four 4c are respectively the weld six 6 and the weld thirteen 13, the front sealing strip four 4b and the rear sealing strip four 4c form independent sealing to the flow channel plate four 4 after being welded by the weld six 6 and the weld thirteen 13;

[0033] In combination with the above, each flow channel plate completes relatively independent sealing effect, and the weld positions formed by welding the multiple sealing strips are all located outside the welding positions of the front cross beam 401 and the rear cross beam 5, that is, if any of the weld positions, such as the weld six 6, the weld seven 7, the weld eight 8, the weld nine 9, the weld ten 10, the weld eleven 11, the weld twelve 12 and the weld thirteen 13, leaks, the cooling liquid will also be isolated outside the entire battery cell mounting area of the box body by the weld four 4a and the weld five 5a, achieving high safety insulation effect, and at the same time, because the above welds are arranged outside the entire battery cell mounting area of the box body, the leakage point repair will be very convenient and can be completed in a short time.

[0034] Further, the flow channel cavity 14 is provided with a weld fourteen 14a for sealing, because the flow channel cavity 14 is located at the front side position of the front cross beam 401, the weld fourteen 14a on the flow channel cavity 14 is also located outside the front cross beam 401, when the weld fourteen 14a accidentally leaks, the cooling liquid will also be isolated outside the entire battery cell mounting area of the box body by the weld four 4a and the weld five 5a, achieving high safety insulation effect, and at the same time, because the weld fourteen 14a is arranged outside the entire battery cell mounting area of the box body, the leakage point repair will be very convenient and can be completed in a short time.

[0035] The use method of the embodiment is that the bottom of the flow channel plate one 1 is independently sealed by the front sealing strip one 1b and the rear sealing strip one 1c through the weld nine 9 and the weld ten 10 respectively, the bottom of the flow channel plate two 2 is independently sealed by the front sealing strip two 2b and the rear sealing strip two 2c through the weld eight 8 and the weld eleven 11 respectively, the bottom of the flow channel plate three 3 is independently sealed by the front sealing strip three 3b and the rear sealing strip three 3c through the weld seven 7 and the weld twelve 12 respectively, and the bottom of the flow channel plate four 4 is independently sealed by the front sealing strip four 4b and the rear sealing strip four 4c through the weld six 6 and the weld thirteen 13 respectively, so that each flow channel plate completes a relatively independent sealing effect, the positions of the welds formed by the multiple sealing strips are all located outside the welding positions of the front cross beam 401 and the rear cross beam 5, that is, outside the weld four 4a and the weld five 5a, and the weld fourteen 14a on the flow cavity 14 is also located outside the front cross beam 401, that is, if any one of the welds for forming the seal on the outside, such as the weld six 6, the weld seven 7, the weld eight 8, the weld nine 9, the weld ten 10, the weld eleven 11, the weld twelve 12 and the weld thirteen 13, leaks, the cooling liquid will be isolated outside the entire battery cell mounting area of the box by the weld four 4a and the weld five 5a, achieving a high safety insulation effect, and at the same time, because the above welds are arranged outside the entire battery cell mounting area of the box, the leakage point repair will be very convenient and can be completed in a short time.

[0036] Finally, it should be noted that the above only describes preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A flow channel sealing structure of a profile liquid cooling plate, comprising flow channel plate one (1), flow channel plate two (2), flow channel plate three (3), and flow channel plate four (4) welded in sequence from right to left, characterized in that: The welding positions between the flow channel plate one (1) and the flow channel plate two (2), between the flow channel plate two (2) and the flow channel plate three (3), and between the flow channel plate three (3) and the flow channel plate four (4) are respectively the weld one (1a), the weld two (2a) and the weld three (3a); The bottom of the flow channel plate one (1) is provided with the front sealing strip one (1b) and the rear sealing strip one (1c) welded integrally, the bottom of the flow channel plate two (2) is provided with the front sealing strip two (2b) and the rear sealing strip two (2c) welded integrally, the bottom of the flow channel plate three (3) is provided with the front sealing strip three (3b) and the rear sealing strip three (3c) welded integrally, and the bottom of the flow channel plate four (4) is provided with the front sealing strip four (4b) and the rear sealing strip four (4c) welded integrally; The front side of the flow channel plate one (1), the flow channel plate two (2), the flow channel plate three (3) and the flow channel plate four (4) is welded with the same front cross beam (401), and the rear side of the flow channel plate one (1), the flow channel plate two (2), the flow channel plate three (3) and the flow channel plate four (4) is welded with the same rear cross beam (5); The front side of the front cross beam (401) is welded with the current collection cavity (14) which forms the inlet and outlet current collection with the flow channel plate one (1), the flow channel plate two (2), the flow channel plate three (3) and the flow channel plate four (4).

2. The flow channel sealing structure of a profile liquid cooling plate according to claim 1, characterized in that: The weld one (1a), the weld two (2a) and the weld three (3a) are used for the connection function which does not participate in the sealing.

3. The flow channel sealing structure of a profile liquid cooling plate according to claim 1, characterized in that: The welding positions between the flow channel plate one (1) and the front sealing strip one (1b) and the rear sealing strip one (1c) are respectively the weld nine (9) and the weld ten (10), and the front sealing strip one (1b) and the rear sealing strip one (1c) form the independent sealing to the flow channel plate one (1) after being welded through the weld nine (9) and the weld ten (10).

4. The flow channel sealing structure of a profile liquid cooling plate according to claim 1, characterized in that: The welding positions between the flow channel plate two (2) and the front sealing strip two (2b) and the rear sealing strip two (2c) are respectively the weld eight (8) and the weld eleven (11), and the front sealing strip two (2b) and the rear sealing strip two (2c) form the independent sealing to the flow channel plate two (2) after being welded through the weld eight (8) and the weld eleven (11).

5. The flow channel sealing structure of a profile liquid cooling plate according to claim 1, characterized in that: The welding positions between the flow channel plate three (3) and the front sealing strip three (3b) and the rear sealing strip three (3c) are respectively the weld seven (7) and the weld twelve (12), and the front sealing strip three (3b) and the rear sealing strip three (3c) form the independent sealing to the flow channel plate three (3) after being welded through the weld seven (7) and the weld twelve (12).

6. The flow channel sealing structure of a profile liquid cooling plate according to claim 1, characterized in that: The welding positions between the flow channel plate four (4) and the front sealing strip four (4b) and the rear sealing strip four (4c) are respectively the weld six (6) and the weld thirteen (13), and the front sealing strip four (4b) and the rear sealing strip four (4c) form the independent sealing to the flow channel plate four (4) after being welded through the weld six (6) and the weld thirteen (13).

7. The flow channel sealing structure of a profile liquid cooling plate according to claim 1, characterized in that: The current collection cavity (14) is provided with the weld fourteen (14a) for the sealing.

8. The flow channel sealing structure of a profile liquid cooling plate according to claim 1, characterized in that: The welding positions between the front cross beam (401) and the rear cross beam (5) and the flow channel plate one (1), the flow channel plate two (2), the flow channel plate three (3) and the flow channel plate four (4) are weld four (4a) and weld five (5a) respectively, the front cross beam (401) and the rear cross beam (5) are welded together with the flow channel plate one (1), the flow channel plate two (2), the flow channel plate three (3) and the flow channel plate four (4) through weld four (4a) and weld five (5a), for sealing the box cell mounting area formed on the inner side.

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