Sealing device and sealing performance detection method

Abstract

The present application provides a sealing device and a sealing performance detection method. The above-mentioned sealing device includes a first seal, a sealing ring, and a second seal. The first seal is used to abut against the inside of the cooling tank. A ring-shaped sealing groove is formed on the outer side of the first seal. The ring-shaped sealing groove is used to be arranged inside the cooling tank. The sealing ring is arranged in the ring-shaped sealing groove. The second seal is located in the ring-shaped sealing groove and abuts against the sealing ring, so that the sealing ring elastically abuts against the groove wall of the ring-shaped sealing groove, and also enables the sealing ring to elastically abut against the groove wall of the cooling tank, thereby enabling the sealing ring to seal the cooling tank. Since both the sealing ring and the ring-shaped sealing groove are located inside the cooling tank, the first seal, the second seal, and the sealing ring do not need to cover the surface of the cooling member, that is, the surface of the cooling member will not be covered during the sealing performance detection, thereby avoiding the situation where the leakage point of the cooling member is covered, and further enabling the tester to accurately judge the position of the leakage point.

Description

Technical Field

[0001] The present invention relates to the technical field of sealing detection, and particularly relates to a sealing device and a sealing detection method. Background Art

[0002] With the advancement of the automotive industry revolution, electric vehicles are replacing fuel vehicles and developing rapidly. The demand for electric vehicles is increasing, and the production volume is rising rapidly. As the core of electric vehicles, the safety of the electric box controller directly affects the safety and stability of the entire vehicle. The electric box controller is installed in the electric control box body, and the electric control box body includes a cooling member. A cooling water channel is formed in the cooling member, and the cooling water channel includes a cooling groove, so that part of the cooling water channel is open for processing the cooling water channel. In order to seal the cooling groove, the cooling member is also provided with an annular sealing groove, which is arranged along the circumference of the cooling groove.

[0003] In order to avoid the short circuit of the electric box controller caused by the leakage of the cooling water channel, it is necessary to perform a sealing detection on the cooling member. In the traditional technology, when performing a sealing detection on the cooling member, first, a seal is made in the annular sealing groove, that is, a sealing ring is arranged in the annular sealing groove, and a sealing plate is covered on the cooling groove and elastically abuts against the sealing ring. Then, the sealed electric control box body is immersed in water, and then the cooling water channel is inflated to generate bubbles at the leakage point. Finally, the leakage point of the cooling member is judged through the bubbles, so as to repair the leakage point of the cooling member.

[0004] However, since the annular sealing groove is opened on the surface of the cooling member, the sealing plate blocks part of the surface of the cooling member, so that the detection personnel cannot accurately judge the position of the leakage point. Moreover, since the sealing ring is located in the annular sealing groove, the sealing ring blocks the sand holes on the groove wall of the annular sealing groove, so that the sand holes cannot generate bubbles, and thus the sand holes cannot be found, resulting in a large error in the sealing detection. Summary of the Invention

[0005] The purpose of the present invention is to overcome the deficiencies in the prior art and provide a sealing device and a sealing detection method that can accurately judge the position of the leakage point of the box body and have a small detection error.

[0006] The purpose of the present invention is achieved by the following technical solutions:

[0007] A sealing device includes:

[0008] A first sealing member, which is used to abut in the cooling groove, and an annular sealing groove is formed on the outer side of the first sealing member, and the annular sealing groove is used to be arranged in the cooling groove;

[0009] A sealing ring, which is arranged in the annular sealing groove;

[0010] A second seal, which is located in the annular seal groove and abuts against the sealing ring, so that the sealing ring elastically abuts against the groove wall of the annular seal groove, and also enables the sealing ring to elastically abut against the groove wall of the cooling groove, thereby enabling the sealing ring to seal the cooling groove.

[0011] In one embodiment, the first seal includes a first seal body and a first abutting portion. The first seal body is used to abut in the cooling groove. The first abutting portion protrudes and is connected to the first seal body, and the first abutting portion is arranged around the circumference of the first seal body. The first abutting portion and the first seal body together form the annular seal groove.

[0012] In one embodiment, the second seal includes a second seal body and a second abutting portion. The second abutting portion protrudes and is connected to the second seal body. The second abutting portion is arranged around the circumference of the second seal body, and the outer side surface of the second abutting portion is flush with the outer side surface of the second seal body. The second abutting portion is located in the annular seal groove and abuts against the sealing ring.

[0013] In one embodiment, the first seal includes a first seal body and a first abutting portion. The first seal body is used to abut in the cooling groove. The first abutting portion protrudes and is connected to the first seal body, and the first abutting portion is arranged around the circumference of the first seal body. The first abutting portion and the first seal body together form the annular seal groove;

[0014] The second seal includes a second seal body and a second abutting portion. The second abutting portion protrudes and is connected to the second seal body. The second abutting portion is arranged around the circumference of the second seal body. The outer side surface of the second abutting portion is flush with the outer side surface of the second seal body. The second abutting portion is located in the annular seal groove and abuts against the sealing ring;

[0015] Wherein, the second abutting portion and the second seal body together form an avoidance groove, and a part of the first seal body is received in the avoidance groove.

[0016] In one embodiment, the annular seal groove extends to one side of the first seal adjacent to the first seal.

[0017] In one embodiment, the sealing ring is completely received in the annular seal groove.

[0018] In one embodiment, there is a gap between the sealing ring and the groove wall of the annular seal groove.

[0019] In one embodiment, a communication groove is formed on a side of the first seal away from the second seal, and the communication groove is used for communicating with the cooling groove.

[0020] In one embodiment, the sealing ring is made of silica gel or rubber.

[0021] A sealing performance detection method uses the sealing device described in any of the above embodiments for sealing test. The sealing performance detection method includes:

[0022] Place the first seal in the cooling groove so that the annular sealing groove is located in the cooling groove, and the opening of the annular sealing groove is used to face the outside of the cooling groove;

[0023] Place the sealing ring in the annular sealing groove;

[0024] Press the second seal against the sealing ring so that the sealing ring elastically abuts against the groove wall of the annular sealing groove, and also makes the sealing ring elastically abut against the groove wall of the cooling groove, so that the sealing ring is used to seal the cooling groove.

[0025] Compared with the prior art, the present invention has at least the following advantages:

[0026] 1. Since both the sealing ring and the annular sealing groove are located in the cooling groove, it is avoided that the sealing device covers the surface of the cooling part, and further avoided that the leakage points of the cooling part are covered, so that the detection personnel can accurately judge the position of the leakage point.

[0027] 2. Since the sealing ring and the annular sealing groove are arranged staggeredly, it is avoided that the sealing ring blocks the sand holes on the groove wall of the annular sealing groove, so that bubbles can be generated in the sand holes on the groove wall of the annular sealing groove, that is, the sand holes can be observed, and further the error of the sealing performance detection is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained according to these drawings.

[0029] Figure 1 It is a schematic structural diagram of a sealing device and a cooling part in an embodiment;

[0030] Figure 2 For Figure 1 an exploded view of the sealing device and the cooling part shown;

[0031] Figure 3 Schematic structural diagram of the electric control box body of an embodiment;

[0032] Figure 4 Schematic structural diagram of the sealing device and the cooling member of another embodiment;

[0033] Figure 5 is Figure 4 Enlarged schematic diagram of part A in the shown sealing device and cooling member;

[0034] Figure 6 Flowchart of the steps of a sealing performance detection method of an embodiment. Detailed implementation manners

[0035] For the convenience of understanding the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. The preferred embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided so that the disclosure of the present invention can be understood more thoroughly and comprehensively.

[0036] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can also be a middle element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be a middle element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration and do not represent the only embodiments.

[0037] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this invention belongs. The terms used herein in the description of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0038] This application provides a sealing device, including a first seal, a sealing ring and a second seal. The first seal is used to abut against the cooling groove. A ring-shaped sealing groove is formed on the outer side of the first seal. The ring-shaped sealing groove is used to be arranged in the cooling groove. The sealing ring is arranged in the ring-shaped sealing groove. The second seal is located in the ring-shaped sealing groove and abuts against the sealing ring, so that the sealing ring elastically abuts against the groove wall of the ring-shaped sealing groove, and the sealing ring is also used to elastically abut against the groove wall of the cooling groove, so that the sealing ring is used to seal the cooling groove.

[0039] In the above-mentioned sealing device, since both the sealing ring and the annular sealing groove are located in the cooling groove, it is avoided that the sealing device covers the surface of the cooling part, thereby avoiding the situation that the leakage point of the cooling part is covered, and further enabling the inspection personnel to accurately judge the position of the leakage point. Moreover, since the sealing ring and the annular sealing groove are arranged staggeredly, it is avoided that the sealing ring blocks the sand holes on the groove wall of the annular sealing groove, so that the sand holes on the groove wall of the annular sealing groove can generate bubbles, that is, the sand holes can be observed, thereby reducing the error of the sealing performance detection.

[0040] To better understand the technical solution and beneficial effects of the present application, the following further describes the present application in detail with specific embodiments:

[0041] As Figures 1 to 3 shown, the sealing device 10 of an embodiment includes a first sealing member 100, a sealing ring 200 and a second sealing member 300. The first sealing member 100 is used to abut in the cooling groove 901. An annular sealing groove 101 is formed on the outer side of the first sealing member 100. The annular sealing groove 101 is used to be arranged in the cooling groove 901. The sealing ring 200 is arranged in the annular sealing groove 101. The second sealing member 300 is located in the annular sealing groove 101 and abuts against the sealing ring 200, so that the sealing ring 200 elastically abuts against the groove wall of the annular sealing groove 101, and the sealing ring 200 is also used to elastically abut against the groove wall of the cooling groove 901, and further the sealing ring 200 is used to seal the cooling groove 901.

[0042] As Figures 1 to 3 shown, in this embodiment, the electric control box body 20 includes a cooling part 900. The cooling part 900 is provided with a cooling groove 901. The first sealing member 100 is used to be arranged in the cooling groove 901 and is used to abut against the groove wall of the cooling groove 901. An annular sealing groove 101 is formed on the outer side of the first sealing member 100. The annular sealing groove 101 is used to be arranged opposite to the side wall of the cooling groove 901. The sealing ring 200 is arranged in the annular sealing groove 101. The second sealing member 300 is located in the annular sealing groove 101 and abuts against the sealing ring 200, so that the sealing ring 200 is deformed, and further the sealing ring 200 abuts against the groove wall of the annular sealing groove 101, and at the same time the sealing ring 200 is used to abut against the groove wall of the cooling groove 901, that is, the sealing ring 200 is respectively used to abut against the groove wall of the annular sealing groove 101 and the groove wall of the cooling groove 901, and further the sealing ring 200 seals the cooling groove 901.

[0043] Further, after sealing the cooling groove 901, the cooling part 900 of the electric control box body 20 is completely immersed in water, and then the cooling water channel is inflated to make the leakage point generate bubbles, and finally the leakage point of the cooling part 900 is judged through the bubbles, so as to repair the leakage point of the cooling part 900.

[0044] In the aforementioned sealing device 10, since the sealing ring 200 and the annular sealing groove 101 are both located within the cooling groove 901, the sealing device 10 is prevented from covering the surface of the cooling element 900, thereby preventing the leakage point of the cooling element 900 from being obscured, thereby allowing the inspector to accurately determine the location of the leakage point. Furthermore, since the sealing ring 200 and the annular sealing groove 902 are staggered, the sealing ring 200 is prevented from clogging the sand pores on the groove wall of the annular sealing groove 902. As a result, the sand pores on the groove wall of the annular sealing groove 902 can generate bubbles, i.e., the sand pores can be observed, thereby reducing the error in the sealing test.

[0045] like Figure 1 and Figure 2 As shown, in one embodiment, the first sealing member 100 includes a first sealing body 110 and a first abutting portion 120. The first sealing body 110 is used to abut in the cooling groove 901. The first abutting portion 120 protrudes and is connected to the first sealing body 110. The first abutting portion 120 is arranged around the circumference of the first sealing body 110. The first abutting portion 120 and the first sealing body 110 together form an annular sealing groove 101, and the annular sealing groove 101 is adapted to fit the sealing ring 200. In this embodiment, the first sealing body 110 is used to be disposed in the cooling groove 901, and the first sealing body 110 abuts against the groove wall of the cooling groove 901.

[0046] like Figure 1 and Figure 2 As shown, in one embodiment, the second sealing member 300 includes a second sealing body 310 and a second abutting portion 320. The second abutting portion 320 protrudes and is connected to the second sealing body 310. The second abutting portion 320 is arranged around the circumference of the second sealing body 310, and the outer side surface of the second abutting portion 320 is flush with the outer side surface of the second sealing body 310 to prevent the second sealing body 310 from blocking the surface of the cooling element 900 during sealing, thereby preventing the leakage point of the cooling element 900 from being covered, thereby allowing inspectors to accurately determine the location of the leakage point. In this embodiment, the second abutting portion 320 is located in the annular sealing groove 101 and abuts against the sealing ring 200.

[0047] like Figure 1 and Figure 2As shown, in one embodiment, the first seal 100 includes a first seal body 110 and a first abutting portion 120. The first seal body 110 is used to abut against the inside of the cooling tank 901. The first abutting portion 120 protrudes and is connected to the first seal body 110, and the first abutting portion 120 is arranged to surround the first seal body 110 along the circumferential direction. The first abutting portion 120 and the first seal body 110 together form an annular seal groove 101. The second seal 300 includes a second seal body 310 and a second abutting portion 320. The second abutting portion 320 protrudes and is connected to the second seal body 310. The second abutting portion 320 is arranged to surround the second seal body 310 along the circumferential direction. The outer side surface of the second abutting portion 320 is flush with the outer side surface of the second seal body 310. The second abutting portion 320 is located in the annular seal groove 101 and abuts against the sealing ring 200. Wherein, the second abutting portion 320 and the second seal body 310 together form an avoidance groove 301, and a part of the first seal body 110 is received in the avoidance groove 301 to avoid interference between the second seal 300 and the first seal body 110 during sealing.

[0048] As Figure 1 and Figure 2 shown, in one embodiment, the annular seal groove 101 extends to the side of the first seal 100 adjacent to the first seal 100, so that the annular seal groove 101 is open when the first seal 100 abuts against the cooling tank 901, and further enables the second seal 300 to be received in the annular seal groove 101 and squeeze the sealing ring 200, and further enables the sealing ring 200 to be used to seal the cooling tank 901.

[0049] As Figure 1 and Figure 2 shown, in one embodiment, the sealing ring 200 is completely received in the annular seal groove 101, preventing the sealing ring 200 from being extruded into the cooling tank 901 when being squeezed, and further ensuring that the sealing ring 200 seals the cooling tank 901 in the annular seal groove 101, thereby improving the sealing effect of the sealing ring 200 and further ensuring the effect of the sealing performance detection.

[0050] As Figure 1 and Figure 2 shown, in one embodiment, there is a gap between the sealing ring 200 and the groove wall of the annular seal groove 101, making it easier to place the sealing ring 200 in the annular seal groove 902, improving the placement efficiency of the sealing ring 200, and further improving the efficiency of the sealing performance detection.

[0051] As Figure 2As shown, in one embodiment, a communication groove 102 is formed on a side of the first seal 100 facing away from the second seal 300. The communication groove 102 is used to communicate with the cooling groove 901, so that the inlet of the cooling water channel communicates with the outlet through the communication groove 102, that is, to avoid the blockage of the cooling water channel, and thus the gas can flow through the cooling water channel, thereby increasing the detection area of the cooling member 900, and further improving the effect of the sealing performance detection.

[0052] In one embodiment, the sealing ring 200 is made of a silica gel structure or a rubber structure, so that the sealing ring 200 has elasticity, and thus the sealing ring 200 has a sealing effect.

[0053] It can be understood that in order to ensure the sealing effect of the sealing device 10, the gap between the first seal 100 and the side wall of the cooling groove 901 is small, and the gap between the second seal 300 and the side wall of the cooling groove 901 is small. After the sealing contact is completed, it is difficult for an operator to remove the first seal 100 and the second seal 300 from the cooling groove 901.

[0054] As Figure 4 As shown, in one embodiment, the sealing device 10 further includes a return spring 400. The return spring 400 is configured to be disposed in the cooling groove 901. A first end of the return spring 400 is used to abut against the groove wall of the cooling groove 901, and a second end of the return spring 400 is used to abut against a side of the first seal 100 facing away from the second seal 300. In this embodiment, when performing the sealing performance detection on the electric control box housing 20, the second seal 300 is pushed, so that the return spring 400 is compressed, and at the same time, the sealing ring 200 elastically abuts against the first seal 100 and the second seal 300 respectively, and thus the sealing ring 200 elastically abuts against the groove wall of the annular sealing groove 101 and the groove wall of the cooling groove 901 respectively, and thus the sealing ring 200 is used to seal the cooling groove 901. After the sealing performance detection is completed, the second seal 300 is released, so that the return spring 400 elastically recovers, and thus the return spring 400 pushes the first seal 100, the second seal 300 and the sealing ring 200 out of the cooling groove 901, reducing the difficulty of removing the sealing device 10 from the cooling groove 901, and at the same time improving the efficiency of removing the sealing device 10 from the cooling groove 901.

[0055] It can be understood that since the first seal 100 is used to abut in the cooling groove 901, the groove wall of the cooling groove 901 contacts the first seal 100, and thus the leakage points on the groove wall of the cooling groove 901 may be blocked, and thus it is difficult to find the leakage points on the groove wall of the cooling groove 901.

[0056] In order to reduce the contact area between the first seal 100 and the groove wall of the cooling groove 901, so that the leakage points on the groove wall of the cooling groove 901 are easier to be found, asFigure 4 As shown, in one embodiment, the first seal 100 is spaced from the bottom wall of the cooling tank 901, and the first end of the return spring 400 abuts against the bottom wall of the cooling tank 901. In this embodiment, since the first end of the return spring 400 contacts the bottom wall of the cooling tank 901, the first seal 100 is supported, thereby ensuring that the first seal 100 can be maintained in the sealed position. Moreover, since the first seal 100 is spaced from the bottom wall of the cooling tank 901 and the contact area between the return spring 400 and the bottom wall of the cooling tank 901 is small, the contact area between the bottom wall of the cooling tank 901 and the outside is reduced, suppressing the problem that the leakage points on the bottom wall of the cooling tank 901 are blocked. As a result, it is easier for air bubbles to be generated at the leakage points on the bottom wall of the cooling tank 901, making it easier to detect the leakage parts on the bottom wall of the cooling tank 901. This increases the detection area for the seal tightness test, that is, reduces the undetected area, and thus improves the effect of the seal tightness test. It should be noted that the bottom wall of the cooling tank 901 is the tank wall opposite to the opening.

[0057] In addition, as Figure 4 shown, in this embodiment, there is an arc transition surface between the bottom wall and the peripheral wall of the cooling tank 901. Since the first seal 100 is spaced from the bottom wall of the cooling tank 901, the first seal 100 does not need to cooperate with the arc transition surface of the cooling tank 901, reducing the processing requirements for the first seal 100 and thus reducing the processing requirements for the sealing device 10.

[0058] As Figure 4 shown, further, a communication groove 102 is formed on the side of the first seal 100 facing away from the second seal 300. The communication groove 102 is used to communicate with the cooling tank 901 so that the inlet of the cooling water channel communicates with the outlet through the communication groove 102. The second end of the return spring 400 abuts against the groove wall of the communication groove 102. In this embodiment, when installing the sealing ring 200 and the second seal 300, the first seal 100 is pushed to compress the return spring 400 so that the return spring 400 is completely received in the communication groove 102, and the first seal 100 is used to abut against the bottom wall of the cooling tank 901, making the position stability of the first seal 100 relatively high. This improves the alignment efficiency between the sealing ring 200 and the first seal 100, and at the same time improves the alignment efficiency between the second seal 300 and the sealing ring 200, thereby improving the efficiency of the seal tightness test.

[0059] As Figure 4As shown, further, the number of the return springs 400 is plural, and the plural return springs 400 are arranged at intervals in the cooling groove 901. The first end of each return spring 400 abuts against the bottom wall of the cooling groove 901, and the second end of each return spring 400 abuts against the groove wall of the communication groove 102. In this embodiment, since the plural return springs 400 are in contact with the groove wall of the communication groove 102, that is, the plural return springs 400 are in contact with the first seal 100, the force on the first seal 100 is relatively uniform, improving the position stability of the first seal 100, suppressing the sway of the first seal 100 during movement, and further suppressing the problem that the first seal 100 scratches the groove wall of the cooling groove 901. Furthermore, the tightness of the contact between the sealing ring 200 and the groove wall of the cooling groove 901 is ensured, and further the sealing effect of the sealing ring 200 on the cooling groove 901 during detection is ensured.

[0060] However, since the return spring 400 has elasticity, there is a sway when the first seal 100 is aligned with the second seal 300, and it is still relatively easy for the second seal 300 to be displaced after being aligned with the first seal 100. As a result, the installation efficiency of the second seal 300 is low, and further the efficiency of the sealing performance detection is poor.

[0061] To avoid the displacement problem of the second seal 300 during installation, as Figure 4 shown, in one embodiment, the sealing device 10 further includes a guide post 500. The first seal 100 is provided with a mounting hole 103, and the second seal 300 is provided with a sliding through hole 302. The first end of the guide post 500 is located in the mounting hole 103 and fixedly connected to the first seal 100. The guide post 500 passes through the sliding through hole 302 and is sleeved with the second seal 300, so that the second seal 300 is slidably connected to the guide post 500, and a part of the second seal 300 is arranged opposite to the sealing ring 200, that is, a part of the second seal 300 is arranged opposite to the annular sealing groove 101.

[0062] As Figure 4As shown, in this embodiment, during the installation of the second seal 300, the second seal 300 slides along the guide post 500 so that a part of the second seal 300 enters the annular seal groove 101 and abuts against the seal ring 200. Since the guide post 500 is installed on the first seal 100 and the second seal 300 slides along the guide post 500, the second seal 300 is always disposed opposite to the seal ring 200 and the annular seal groove 101, avoiding the problem that the first seal 100 deviates from the annular seal groove 101 and the seal ring 200, improving the installation efficiency of the second seal 300, and further improving the efficiency of the sealing performance detection. In addition, since the guide post 500 is located in the sliding through hole 302 and sleeved with the second seal 300, the guide post 500 restricts the movement of the second seal 300, inhibits the displacement of the second seal 300, and further avoids the situation where there is a large local gap between the second seal 300 and the wall of the cooling groove 901, thereby improving the sealing effect of the seal ring 200 and further improving the effect of the sealing performance detection.

[0063] As Figure 4 shown, further, the number of the guide posts 500 is multiple, the multiple guide posts 500 are arranged at intervals, the number of the mounting holes 103 is multiple, the number of the sliding through holes 302 is multiple, the multiple guide posts 500, the multiple mounting holes 103 and the multiple sliding through holes 302 are arranged in one-to-one correspondence. The first end of each guide post 500 is located in the corresponding mounting hole 103 and fixedly connected to the first seal 100, and each guide post 500 passes through the corresponding sliding through hole 302 and is sleeved with the second seal 300, so that the second seal 300 is slidably connected to the multiple guide posts 500, and a part of the second seal 300 is always disposed opposite to the seal ring 200, that is, a part of the second seal 300 is always disposed opposite to the annular seal groove 101. It can be understood that since the second seal 300 slides along the guide post 500, the movement of the second seal 300 is smoother, and thus it is easier for the operator to push the second seal 300, and further it is easier for the operator to apply too much force when pressing the second seal 300, and further the pressure of the second seal 300 pressing the seal ring 200 is likely to be too large. When the seal ring 200 is subjected to a large force, the wear of the seal ring 200 is large, and thus the seal ring 200 is likely to fail.

[0064] In order to inhibit the failure of the seal ring 200, as Figure 4 and Figure 5As shown, in one embodiment, the sealing device 10 further includes a pressure sensor 600 and an alarm. The sealing ring 200 is connected and wrapped inside the pressure sensor 600. The alarm is electrically connected to the pressure sensor 600 and is used to be arranged outside the water tank. In this embodiment, when the second seal 300 abuts against the sealing ring 200, the sealing ring 200 elastically abuts against the first seal 100 and the second seal 300 respectively. At this time, the pressure sensor 600 is under pressure. When the pressure received by the pressure sensor 600 reaches a preset value, the alarm emits an alarm signal to prompt the operator to reduce the thrust of the second seal 300. When the pressure received by the pressure sensor 600 is lower than the preset value, the alarm stops emitting the signal to prompt the operator that there is no need to continue reducing the thrust of the second seal 300. In this way, the excessive pressure on the sealing ring 200 is avoided, thereby suppressing the wear of the sealing ring 200, increasing the service life of the sealing ring 200, and then increasing the duration of continuous sealing detection of the sealing device 10, that is, improving the continuity of the operation of the sealing device 10, and then improving the efficiency of mass sealing detection. At the same time, the probability of large detection errors caused by the failure of the sealing ring 200 is also reduced, that is, the accuracy of the sealing detection is improved.

[0065] As Figure 4 shown, in one embodiment, the second seal 300 includes a second seal body 310 and a second abutting portion 320. The second abutting portion 320 is convexly connected to the second seal body 310. The second abutting portion 320 is arranged around the circumference of the second seal body 310, and the outer side surface of the second abutting portion 320 is flush with the outer side surface of the second seal body 310 to avoid the second seal body 310 covering the surface of the cooling member 900 during sealing, thereby avoiding the situation where the leakage point of the cooling member 900 is covered, and then enabling the tester to accurately judge the position of the leakage point. In this embodiment, the second abutting portion 320 is located in the annular sealing groove 101 and abuts against the sealing ring 200.

[0066] To improve the problem of jamming of the second abutting portion 320 during the process of being received into the annular sealing groove 101, and then reduce the wear of the second abutting portion 320 on the first seal 100 and the groove wall of the cooling groove 901, as Figure 5As shown in the figure, further, inclined surfaces are respectively provided on the inner and outer sides of the second abutting portion 320, so that the end of the second abutting portion 320 away from the second sealing body 310 is thinner, thereby creating a gap between the end of the second abutting portion 320 and the annular sealing groove 101, and creating a gap between the end of the second abutting portion 320 and the groove wall of the cooling groove 901. This avoids the problem of jamming when the second abutting portion 320 is received in the annular sealing groove 101, thereby suppressing the wear of the groove wall of the cooling groove 901 by the second abutting portion 320, and at the same time suppressing the wear of the second sealing member 300 by the second abutting portion 320, and further ensuring the sealing effect of the sealing device 10.

[0067] As Figure 4 shown in the figure, in one embodiment, the sealing device 10 further includes a linear drive motor 700. The power output end of the linear drive motor 700 is connected to the second sealing member 300, so that the linear drive motor 700 is used to drive the second sealing member 300 into the annular sealing groove 101 to elastically abut against the sealing ring 200. In this embodiment, the linear drive motor 700 is used to drive the movement of the second sealing member 300, which saves manpower, thereby reducing the labor intensity of the inspection personnel. At the same time, the movement accuracy of the second sealing member 300 is improved, making the controllability of the movement amount of the second sealing member 300 stronger. Thus, it is ensured that the extrusion force received by the sealing ring 200 is within the preset range, improving the sealing effect of the sealing ring 200, further improving the effect of the sealing performance detection, and at the same time increasing the service life of the sealing ring 200. Further, the linear drive motor 700 is installed on the guide post 500.

[0068] As Figure 6 shown in the figure, the present application also provides a sealing performance detection method. The sealing device 10 of any of the above embodiments is used for the sealing test. The sealing performance detection method includes:

[0069] S100: Place the sealing ring in the annular sealing groove.

[0070] In this embodiment, the sealing ring is sleeved on the first sealing member, so that the sealing ring is arranged in the annular sealing groove, and the sealing ring abuts against the groove wall of the annular sealing groove.

[0071] S300: Place the first sealing member in the cooling groove, so that the sealing ring is located in the cooling groove, and the opening of the annular sealing groove is used to face the outside of the cooling groove.

[0072] In this embodiment, the first sealing member is placed in the cooling groove, so that the sealing ring is also arranged in the cooling groove, so that the sealing ring can be sealed in the subsequent steps. And, the opening of the annular sealing groove is used to face the outside of the cooling groove, so that the second sealing member in the subsequent steps can enter the annular sealing groove and abut against the sealing ring.

[0073] S500: Press the second seal against the sealing ring so that the sealing ring elastically abuts against the wall of the annular sealing groove, and also enables the sealing ring to elastically abut against the wall of the cooling groove, so that the sealing ring is used to seal the cooling groove.

[0074] In this embodiment, part of the second seal is inserted into the annular sealing groove so that the second seal abuts against the sealing ring in the annular sealing groove. As a result, the sealing ring is squeezed by the second seal, and then the sealing ring elastically pairs with the wall of the annular sealing groove. The sealing ring is also used to abut against the wall of the cooling groove, so that the sealing ring is used to seal the cooling groove, preventing gas from leaking through the opening of the cooling groove in subsequent steps, and thus reducing the interference in the sealing performance detection.

[0075] S700: Completely immerse the cooled part after sealing the cooling groove in water.

[0076] In this embodiment, the cooled part completely enters the water so that bubbles can be generated at the leakage points of the cooled part after the cooling water channel is inflated, so that the bubbles generated on the surface of the cooled part can be observed, and then the leakage points of the cooled part can be obtained for repairing the cooled part.

[0077] S900: Inflate the cooling water channel and observe the bubbles on the surface of the cooled part to detect the leakage points of the cooled part.

[0078] In this embodiment, the cooling water channel is inflated so that gas is filled in the cooling water channel. When the cooled part has leakage points, the gas in the cooling water channel leaks through the leakage points and generates bubbles, enabling the observer to know the specific positions of the leakage points of the cooled part for repairing the cooled part. Further, the air pressure in the cooling water channel is 6 kgf / cm 2 .

[0079] In one of the embodiments, the step of completely immersing the cooled part after sealing the cooling groove in water is specifically: completely immerse the cooled part after sealing the cooling groove in water and keep the first surface of the cooled part facing up. Further, the step of inflating the cooling water channel and observing the bubbles on the surface of the cooled part to detect the leakage points of the cooled part includes: inflating the cooling water channel and observing the bubbles on the first surface of the cooled part to detect the leakage points on the first surface of the cooled part; flipping the electric control box body, that is, flipping the cooled part, so that the second surface of the cooled part faces up and observing the bubbles on the second surface to detect the leakage points on the second surface of the cooled part.

[0080] In this embodiment, the first surface and the second surface are located on opposite sides of the cooling element. First, the cooling water channel is inflated to fill it with gas, causing the gas to leak through the leaking point of the cooling element and generate bubbles. Since the first surface is facing upward, the first surface is exposed to the inspector's vision, allowing the inspector to identify the leaking point on the first surface by observing the bubbles on the first surface. The cooling element is then flipped over so that the second surface of the cooling element faces upward. Since the second surface is facing upward, the second surface is exposed to the inspector's vision, allowing the inspector to identify the leaking point on the second surface by observing the bubbles on the second surface. In this way, by flipping the cooling element over, both the first and second surfaces of the cooling element are inspected, avoiding missed inspections and reducing errors in sealing inspections, allowing all leaking points of the cooling element to be repaired.

[0081] Compared with the prior art, the present invention has at least the following advantages:

[0082] 1. Since the sealing ring 200 and the annular sealing groove 101 are both located in the cooling groove 901, the sealing device 10 is prevented from covering the surface of the cooling member 900, thereby preventing the leakage point of the cooling member 900 from being covered, so that the inspection personnel can accurately determine the location of the leakage point.

[0083] 2. Since the sealing ring 200 and the annular sealing groove 902 are staggered, the sealing ring 200 is prevented from clogging the sand pores on the groove wall of the annular sealing groove 902, so that the sand pores on the groove wall of the annular sealing groove 902 can generate bubbles, that is, the sand pores can be observed, thereby reducing the error of the sealing detection.

[0084] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the invention patent. It should be pointed out that for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be based on the attached claims.

Claims

1. A sealing device, characterized in that, include: a first sealing member, the first sealing member being configured to abut against the cooling groove, an annular sealing groove being formed on an outer side of the first sealing member, the annular sealing groove being configured to be disposed in the cooling groove; a sealing ring, the sealing ring being arranged in the annular sealing groove; a second sealing member located in the annular sealing groove and abutting against the sealing ring, so that the sealing ring elastically abuts against the groove wall of the annular sealing groove and is also used to elastically abut against the groove wall of the cooling groove, thereby enabling the sealing ring to seal the cooling groove; a return spring, the return spring being arranged in the cooling groove; a communication groove being formed on a side of the first sealing member facing away from the second sealing member, the communication groove being configured to communicate with the cooling groove; a first end of the return spring being configured to abut against a groove wall of the cooling groove; and a second end of the return spring being configured to abut against a groove wall of the communication groove; A guide column, the first seal is provided with a mounting hole, the second seal is provided with a sliding through hole, the first end of the guide column is located in the mounting hole and is fixedly connected to the first seal, the guide column is passed through the sliding through hole and is sleeved with the second seal, so that the second seal is slidably connected to the guide column, and a portion of the second seal is arranged opposite to the sealing ring.

2. The sealing device according to claim 1, wherein, The first sealing member includes a first sealing body and a first abutting portion. The first sealing body is used to abut against the cooling groove. The first abutting portion protrudes and is connected to the first sealing body. The first abutting portion is arranged around the circumference of the first sealing body. The first abutting portion and the first sealing body together form the annular sealing groove.

3. The sealing device according to claim 1, characterized in that, The second sealing member includes a second sealing body and a second abutting portion. The second abutting portion protrudes and is connected to the second sealing body. The second abutting portion is arranged around the circumference of the second sealing body, and the outer side surface of the second abutting portion is flush with the outer side surface of the second sealing body. The second abutting portion is located in the annular sealing groove and abuts against the sealing ring.

4. The sealing device according to claim 1, characterized in that, The first sealing member includes a first sealing body and a first abutting portion, wherein the first sealing body is configured to abut against the cooling groove, the first abutting portion protrudingly connected to the first sealing body and arranged around the circumference of the first sealing body, and the first abutting portion and the first sealing body together form the annular sealing groove; The second sealing member includes a second sealing body and a second abutting portion, the second abutting portion protrudingly connected to the second sealing body, the second abutting portion being arranged around the circumference of the second sealing body, the outer side surface of the second abutting portion being flush with the outer side surface of the second sealing body, the second abutting portion being located in the annular sealing groove and abutting against the sealing ring; The second abutting portion and the second sealing body together form a position-avoiding groove, and a portion of the first sealing body is accommodated in the position-avoiding groove.

5. The sealing device according to claim 1, characterized in that, The annular sealing groove extends to a side of the first sealing member adjacent to the first sealing member.

6. The sealing device according to claim 1, characterized in that, The sealing ring is completely accommodated in the annular sealing groove.

7. The sealing device according to claim 1, characterized in that, There is a gap between the sealing ring and the groove wall of the annular sealing groove.

8. The sealing device according to claim 1, wherein A communication groove is formed on the side of the first seal member facing away from the second seal member, and the communication groove is used to communicate with the cooling groove.

9. The sealing device according to claim 1, characterized in that The sealing ring is made of silica gel structure or rubber structure.

10. A sealing performance detection method, characterized in that, Using the sealing device according to any one of claims 1 to 9 for a sealing test, the sealing performance detection method includes: Placing the sealing ring in the annular sealing groove; Placing the first seal member in the cooling groove so that the sealing ring is located in the cooling groove, and the opening of the annular sealing groove faces the outside of the cooling groove; Abutting the second seal member against the sealing ring so that the sealing ring elastically abuts against the groove wall of the annular sealing groove, and also making the sealing ring elastically abut against the groove wall of the cooling groove, thereby enabling the sealing ring to seal the cooling groove; Completely immersing the cooling member after sealing the cooling groove in water; A cooling water channel is formed in the cooling member, an inflation operation is performed on the cooling water channel, and bubbles on the surface of the cooling member are observed to detect the leakage point of the cooling member.

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