Detection device for sealing test of equipment sample

Abstract

The utility model relates to the technical field of sealing performance detection, and discloses an equipment sample sealing performance test detection device, which is characterized in that an equipment sample is placed in a plane sealing area in a sealing cover, the bottom of the sealing cover is sealed on a plane, the inside of the sealing cover is effectively sealed, and a detection terminal is positioned outside the sealing cover. The leak detector probe is attached to the inner plane of the sealing cover and is close to the inner side of the sealing cover, the sealing performance in the sealing cover can be detected by detecting the inner side of the sealing cover, and the leak detector probe is wirelessly connected with the detection terminal and is used for detecting the sealing performance of the bottom of the sealing cover. The sealing performance of the equipment sample in the sealing cover is ensured, and the sealing performance of the sealing cover is detected through the leak detector probe, so that the sealing effect in the sealing cover is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing detection, in particular to a sealing test detection device for equipment samples. Background Art

[0002] In the sealing test, the sealing performance of high-voltage AC switchgear and control equipment (hereinafter referred to as equipment test pieces) shall be tested to achieve the absolute air leakage rate F not exceeding the specified value of the allowable air leakage rate FP when the standard ambient air is 20°C. In the actual test process, due to the diversity of test pieces and structures, when the test pieces are directly wrapped with plastic film as a whole, the wrapping is not tight, unreliable, and the plastic film is easily damaged, which has a large deviation in the accuracy of the test results; the method of directly wrapping the test piece with plastic film as a whole cannot reuse the plastic film, resulting in waste of resources and increased test costs, and the plastic film is not easy to decompose, and it will also cause pollution to the environment; the method of directly wrapping the test piece with plastic film as a whole requires the cooperation of multiple people and takes a long time. Utility Model Content

[0003] In order to overcome the defects of the above-mentioned prior art, the purpose of the utility model is to provide a sealing test detection device for equipment samples to solve the technical problems in the prior art that high-voltage AC switchgear and control equipment cannot be completely sealed and the sealing detection accuracy is low.

[0004] The utility model is realized by the following technical solutions:

[0005] A device for testing the sealing performance of an equipment sample is used to perform sealing performance testing on an equipment sample on a plane, comprising a sealing cover, a testing terminal and a leak detector probe; the equipment sample is placed in a planar sealing area in the sealing cover, the bottom of the sealing cover is sealed on the plane, the testing terminal is located outside the sealing cover, the leak detector probe is attached to the plane inside the sealing cover and close to the inner side of the sealing cover, the leak detector probe is wirelessly connected to the testing terminal and is used to detect the sealing performance of the bottom of the sealing cover.

[0006] Preferably, the sealing cover includes a sealing frame and a plastic film, wherein the plastic film is wrapped on the sealing frame to form a plastic film cover; the equipment test piece is placed in a planar sealing area inside the plastic film cover, and the leak detector probe is attached to the inner plane of the plastic film cover and close to the inner side of the plastic film cover.

[0007] Furthermore, the sealing frame includes a bottom connecting bracket, a top connecting bracket and a plurality of telescopic connecting rods; the bottom connecting bracket is an annular frame, and the top connecting bracket is connected to the bottom connecting bracket through a plurality of telescopic connecting rods; wherein the bottom connecting bracket and the top connecting bracket are arranged in parallel, and the plurality of telescopic connecting rods are arranged vertically, and the plastic film is wrapped around the area enclosed by the bottom connecting bracket and the plurality of telescopic connecting rods and the plurality of telescopic connecting rods and the top connecting bracket, and the bottom connecting bracket is sealed and connected to the bottom plane.

[0008] Furthermore, the plastic film wrapping area corresponds to the area of ​​the area enclosed by the bottom connecting bracket and the plurality of telescopic connecting rods and the area of ​​the area enclosed by the plurality of telescopic connecting rods and the top connecting bracket.

[0009] Furthermore, the bottom connecting bracket includes a plurality of telescopic cross bars, which are connected in sequence to form an annular frame. A sealing rubber is provided at the bottom of the telescopic cross bar, and the telescopic cross bar is sealed on a plane by the sealing rubber. A plurality of telescopic connecting rods are vertically connected to both ends of the telescopic cross bar.

[0010] Furthermore, two ends of the telescopic cross bar are provided with connecting sleeves, and one end of the telescopic connecting rod is inserted and fixed in the connecting sleeve.

[0011] Furthermore, the top connecting bracket includes a plurality of telescopic top rods; the plurality of telescopic top rods are arranged to intersect with each other, and both ends thereof are respectively connected to a plurality of telescopic connecting rods.

[0012] Furthermore, a rotating shaft is provided at the intersection of the plurality of telescopic push rods.

[0013] Furthermore, the intersection point of the plurality of telescopic top rods corresponds to the center point of the bottom connecting bracket.

[0014] Preferably, a controller is provided in the detection terminal, the input end of the controller is connected to the signal input module, the signal input module is connected to the leak detector probe; the output end of the controller is connected to the human-computer interaction module.

[0015] Compared with the prior art, the utility model has the following beneficial technical effects:

[0016] The utility model provides a device for testing the sealing performance of an equipment sample. The device places the equipment sample in a plane sealing area in a sealing cover, and the bottom of the sealing cover is sealed on the plane, so that the sealing cover is effectively sealed. The detection terminal is located outside the sealing cover, and the leak detector probe is attached to the plane inside the sealing cover and close to the inner side of the sealing cover. The sealing performance of the sealing cover can be detected by detecting the inner side of the sealing cover. The leak detector probe is wirelessly connected to the detection terminal and is used to detect the sealing performance of the bottom of the sealing cover. The sealing performance of the equipment sample in the sealing cover is guaranteed by designing the sealing cover, and the sealing performance of the sealing cover is detected by the leak detector probe, so as to ensure the sealing effect in the sealing cover.

[0017] Furthermore, the sealing cover includes a sealing frame and a plastic film, the plastic film is wrapped on the sealing frame to form a plastic film cover; the equipment sample is placed in the planar sealing area inside the plastic film cover, and the leak detector probe is attached to the inner plane of the plastic film cover and close to the inner side of the plastic film cover, thereby ensuring the sealing of the equipment sample in the plastic film cover.

[0018] Furthermore, the sealing frame includes a bottom connecting bracket, a top connecting bracket and a plurality of telescopic connecting rods. The sealing frame is formed by connecting the bottom connecting bracket, the top connecting bracket and the plurality of telescopic connecting rods, which is convenient for disassembly and assembly.

[0019] Furthermore, the plastic film wrapping area corresponds to the area enclosed by the bottom connecting bracket and the plurality of telescopic connecting rods and the area enclosed by the plurality of telescopic connecting rods and the top connecting bracket, thereby preventing wrinkles in the plastic film that would affect the sealing performance of the sealing cover.

[0020] Furthermore, the bottom connecting bracket includes a plurality of telescopic cross bars, which are connected in sequence to form an annular frame. A sealing rubber is provided at the bottom of the telescopic cross bar, and the telescopic cross bar is sealed on a plane through the sealing rubber. A plurality of telescopic connecting rods are vertically connected to both ends of the telescopic cross bar. The length of the telescopic cross bar can be adjusted according to the size of the equipment sample to determine the size of the planar sealing area surrounded by the bottom connecting bracket, thereby improving the overall flexibility.

[0021] Furthermore, connecting sleeves are provided at both ends of the telescopic cross bar, and one end of the telescopic connecting rod is inserted and fixed in the connecting sleeve, thereby improving the stability of the connection between the telescopic connecting rod and the telescopic cross bar.

[0022] Furthermore, the top connecting bracket includes a plurality of telescopic top rods; the plurality of telescopic top rods are arranged to intersect with each other, and both ends thereof are respectively connected to a plurality of telescopic connecting rods, which is convenient for disassembly and folding and storage, can be operated by a single person, and occupies a small area.

[0023] Furthermore, a rotating shaft is provided at the intersection of the plurality of telescopic top rods, so that the telescopic top rods can be folded through the rotating shaft for easy storage.

[0024] Furthermore, a controller is provided in the detection terminal, and the controller collects the sealing data of the bottom of the sealing cover through a wireless connection to the leak detector probe, thereby improving the accuracy of the annual leakage rate calculation of the seal and facilitating the display of the processed data. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the structure of the equipment sample sealing test detection device in the utility model;

[0026] Figure 2 This is a schematic diagram of the structure of the sealing frame in the storage state of the utility model;

[0027] Figure 3 This is a schematic diagram of the principle structure of the controller of the detection terminal in the utility model;

[0028] In the figure: 1-sealing cover; 2-detection terminal; 3-equipment test piece; 4-leak detector probe; 5-plastic film; 11-bottom connecting bracket; 12-lifting connecting rod; 13-top connecting bracket; 14-connecting sleeve; 111-telescopic cross bar; 112-sealing rubber; 131-telescopic top rod; 132-rotating shaft; 21-controller; 22-signal input module; 23-human-computer interaction module. DETAILED DESCRIPTION

[0029] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0030] It should be noted that the terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the utility model described here can be implemented in an order other than those illustrated or described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0031] The utility model is further described in detail below with reference to the accompanying drawings:

[0032] The utility model aims to provide a sealing test detection device for equipment samples, so as to solve the technical problems in the prior art that high-voltage AC switchgear and control equipment cannot be completely sealed and the sealing detection accuracy is low.

[0033] Example 1

[0034] See also Figure 1 In one embodiment of the utility model, a device for testing the sealing performance of an equipment sample is provided, which is used to perform sealing performance testing on an equipment sample on a plane, and includes a sealing cover 1, a detection terminal 2, and a leak detector probe 4; the equipment sample 3 is placed in a planar sealing area in the sealing cover 1, the bottom of the sealing cover 1 is sealed on a plane, the detection terminal 2 is located outside the sealing cover 1, the leak detector probe 4 is attached to the inner plane of the sealing cover 1, and is close to the inner side of the sealing cover 1, and the leak detector probe 4 is wirelessly connected to the detection terminal 2 to detect the sealing performance of the bottom of the sealing cover 1.

[0035] Specifically, the sealing cover 1 includes a sealing frame and a plastic film 5, wherein the plastic film 5 is wrapped on the sealing frame to form a plastic film cover; the equipment sample 3 is placed in the planar sealing area inside the plastic film cover, and the leak detector probe 4 is attached to the inner plane of the plastic film cover and close to the inner side of the plastic film cover.

[0036] Among them, the sealing frame includes a bottom connecting bracket 11, a top connecting bracket 13 and a plurality of telescopic connecting rods 12; the bottom connecting bracket 11 is an annular frame, and the top connecting bracket 13 is connected to the bottom connecting bracket 11 through a plurality of telescopic connecting rods 12; wherein the bottom connecting bracket 11 and the top connecting bracket 13 are arranged in parallel, and the plurality of telescopic connecting rods 12 are arranged vertically, and the plastic film 5 is wrapped around the area enclosed by the bottom connecting bracket 11 and the plurality of telescopic connecting rods 12 and the plurality of telescopic connecting rods 12 and the top connecting bracket 13, and the bottom connecting bracket 11 is sealed and connected to the bottom plane.

[0037] The wrapping area of ​​the plastic film 5 corresponds to the area enclosed by the bottom connecting bracket 11 and the plurality of telescopic connecting rods 12 and the area enclosed by the plurality of telescopic connecting rods 12 and the top connecting bracket 13 .

[0038] Specifically, the bottom connecting bracket 11 includes a plurality of telescopic cross bars 111, which are connected in sequence to form an annular frame. A sealing rubber 112 is provided at the bottom of the telescopic cross bar 111, and the telescopic cross bar 111 is sealed on a plane by the sealing rubber 112. A plurality of telescopic connecting rods 12 are vertically connected to both ends of the telescopic cross bar 111.

[0039] Wherein, connecting sleeves 14 are provided at both ends of the telescopic cross bar 111 , and one end of the telescopic connecting rod 12 is inserted and fixed in the connecting sleeve 14 .

[0040] Example 2

[0041] See also Figure 1 In one embodiment of the utility model, a device for testing the sealing performance of an equipment sample is provided, which is used to perform sealing performance testing on an equipment sample on a plane, and includes a sealing cover 1, a detection terminal 2, and a leak detector probe 4; the equipment sample 3 is placed in a planar sealing area in the sealing cover 1, the bottom of the sealing cover 1 is sealed on a plane, the detection terminal 2 is located outside the sealing cover 1, the leak detector probe 4 is attached to the inner plane of the sealing cover 1, and is close to the inner side of the sealing cover 1, and the leak detector probe 4 is wirelessly connected to the detection terminal 2 to detect the sealing performance of the bottom of the sealing cover 1.

[0042] Specifically, the sealing cover 1 includes a sealing frame and a plastic film 5, wherein the plastic film 5 is wrapped on the sealing frame to form a plastic film cover; the equipment sample 3 is placed in the planar sealing area inside the plastic film cover, and the leak detector probe 4 is attached to the inner plane of the plastic film cover and close to the inner side of the plastic film cover.

[0043] Among them, the sealing frame includes a bottom connecting bracket 11, a top connecting bracket 13 and a plurality of telescopic connecting rods 12; the bottom connecting bracket 11 is an annular frame, and the top connecting bracket 13 is connected to the bottom connecting bracket 11 through a plurality of telescopic connecting rods 12; wherein the bottom connecting bracket 11 and the top connecting bracket 13 are arranged in parallel, and the plurality of telescopic connecting rods 12 are arranged vertically, and the plastic film 5 is wrapped around the area enclosed by the bottom connecting bracket 11 and the plurality of telescopic connecting rods 12 and the plurality of telescopic connecting rods 12 and the top connecting bracket 13, and the bottom connecting bracket 11 is sealed and connected to the bottom plane.

[0044] The wrapping area of ​​the plastic film 5 corresponds to the area enclosed by the bottom connecting bracket 11 and the plurality of telescopic connecting rods 12 and the area enclosed by the plurality of telescopic connecting rods 12 and the top connecting bracket 13 .

[0045] Specifically, the top connecting bracket 13 includes a plurality of telescopic top rods 131 ; the plurality of telescopic top rods 131 are arranged to intersect with each other, and both ends thereof are respectively connected to a plurality of telescopic connecting rods 12 .

[0046] Specifically, a rotating shaft 132 is provided at the intersection of the plurality of telescopic top rods 131; the intersection of the plurality of telescopic top rods 131 corresponds to the center point of the bottom connection bracket 11, so that the telescopic top rods can be folded by the rotating shaft for storage, such as Figure 2 shown.

[0047] Example 3

[0048] See also Figure 1 In one embodiment of the utility model, a device for testing the sealing performance of an equipment sample is provided, which is used to perform sealing performance testing on an equipment sample on a plane, and includes a sealing cover 1, a detection terminal 2, and a leak detector probe 4; the equipment sample 3 is placed in a planar sealing area in the sealing cover 1, the bottom of the sealing cover 1 is sealed on a plane, the detection terminal 2 is located outside the sealing cover 1, the leak detector probe 4 is attached to the inner plane of the sealing cover 1, and is close to the inner side of the sealing cover 1, and the leak detector probe 4 is wirelessly connected to the detection terminal 2 to detect the sealing performance of the bottom of the sealing cover 1.

[0049] Specifically, according to Figure 3 As shown, a controller 21 is provided in the detection terminal 2 , the input end of the controller 21 is connected to a signal input module 22 , and the signal input module 22 is connected to the leak detector probe 4 ; the output end of the controller 21 is connected to a human-computer interaction module 23 .

[0050] In the utility model, the plastic film 5 is wrapped on the area surrounded by the bottom connecting bracket 11 and the plurality of telescopic connecting rods 12 and the area surrounded by the plurality of telescopic connecting rods 12 and the top connecting bracket 13. The bottom connecting bracket 11 is sealed and connected to the bottom plane. The plastic film 5 with the same area as the area surrounded by the bottom connecting bracket 11 and the plurality of telescopic connecting rods 12 and the area surrounded by the plurality of telescopic connecting rods 12 and the top connecting bracket 13 can be used many times without having to remove and destroy the plastic film cover many times. When the sample shape is certain, the plastic film on the device can be reused, saving costs and reducing environmental pollution.

[0051] The utility model can adjust the length, width and height of the overall sealing cover 1 through a plurality of telescopic cross bars 111, a telescopic connecting rod 12 and a telescopic top rod 131, and can adapt to the sizes of different equipment samples. The telescopic principle of the plurality of telescopic cross bars 111, the telescopic connecting rod 12 and the telescopic top rod 131 is the same as the telescopic rod principle of an umbrella.

[0052] In summary, the utility model provides a device for testing the sealing performance of an equipment sample. By placing the equipment sample in a planar sealing area in a sealing cover, the bottom of the sealing cover is sealed on a plane, thereby effectively sealing the inside of the sealing cover. The detection terminal is located outside the sealing cover, and the leak detector probe is attached to the inner plane of the sealing cover and is close to the inner side of the sealing cover. The sealing performance of the sealing cover can be detected by detecting the inner side of the sealing cover. The leak detector probe is wirelessly connected to the detection terminal to detect the sealing performance of the bottom of the sealing cover. The sealing performance of the equipment sample in the sealing cover is guaranteed by the design of the sealing cover, and the sealing performance of the sealing cover is detected by the leak detector probe, thereby ensuring the sealing effect of the sealing cover.

[0053] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the utility model can still be modified or replaced by equivalents, and any modification or equivalent replacement that does not depart from the spirit and scope of the utility model should be included in the scope of protection of the claims of the utility model.

Claims

1. A device for testing the sealing performance of a device sample, used for testing the sealing performance of a device sample on a plane, characterized in that: The device comprises a sealing cover (1), a detection terminal (2) and a leak detector probe (4); the device test piece (3) is placed in a planar sealing area in the sealing cover (1), the bottom of the sealing cover (1) is sealed on a plane, the detection terminal (2) is located outside the sealing cover (1), the leak detector probe (4) is attached to the inner plane of the sealing cover (1) and is close to the inner side of the sealing cover (1), and the leak detector probe (4) is connected to the detection terminal (2) via a wireless connection and is used to detect the sealing performance of the bottom of the sealing cover (1); The sealing cover (1) comprises a sealing frame and a plastic film (5), wherein the plastic film (5) is wrapped around the sealing frame to form a plastic film cover; the equipment test piece (3) is placed in a planar sealing area inside the plastic film cover, and the leak detector probe (4) is attached to the plane inside the plastic film cover and is close to the inner side of the plastic film cover; The sealing frame comprises a bottom connecting bracket (11), a top connecting bracket (13) and a plurality of telescopic connecting rods (12); the bottom connecting bracket (11) is an annular frame, and the top connecting bracket (13) is connected to the bottom connecting bracket (11) via the plurality of telescopic connecting rods (12); wherein the bottom connecting bracket (11) and the top connecting bracket (13) are arranged in parallel, and the plurality of telescopic connecting rods (12) are arranged vertically; the plastic film (5) is wrapped around an area enclosed by the bottom connecting bracket (11) and the plurality of telescopic connecting rods (12) and the plurality of telescopic connecting rods (12) and the top connecting bracket (13); and the bottom connecting bracket (11) is sealed and connected to a bottom plane.

2. The equipment sample sealing test detection device according to claim 1 is characterized in that: The wrapping area of ​​the plastic film (5) corresponds to the area of ​​the area enclosed by the bottom connecting bracket (11) and the plurality of telescopic connecting rods (12), and the area of ​​the area enclosed by the plurality of telescopic connecting rods (12) and the top connecting bracket (13).

3. The equipment sample sealing test detection device according to claim 1 is characterized in that: The bottom connecting bracket (11) comprises a plurality of telescopic cross bars (111), the plurality of telescopic cross bars (111) being connected in sequence to form an annular frame, a sealing rubber (112) being provided at the bottom of the telescopic cross bar (111), the telescopic cross bar (111) being sealed on a plane by the sealing rubber (112), and a plurality of telescopic connecting rods (12) being vertically connected to both ends of the telescopic cross bar (111).

4. The equipment sample sealing test detection device according to claim 3 is characterized in that: Connecting sleeves (14) are provided at both ends of the telescopic crossbar (111), and one end of the telescopic connecting rod (12) is inserted and fixed in the connecting sleeve (14).

5. The equipment sample sealing test detection device according to claim 1 is characterized in that: The top connection bracket (13) comprises a plurality of telescopic top rods (131); the plurality of telescopic top rods (131) are arranged to intersect each other, and both ends of the telescopic top rods are respectively connected to a plurality of telescopic connection rods (12).

6. The equipment sample sealing test detection device according to claim 5, characterized in that: A rotating shaft (132) is provided at the intersection of the plurality of telescopic top rods (131).

7. The equipment sample sealing test detection device according to claim 5, characterized in that: The intersection point of the plurality of telescopic top rods (131) corresponds to the center point of the bottom connecting bracket (11).

8. The equipment sample sealing test detection device according to claim 1 is characterized in that: The detection terminal (2) is provided with a controller (21), the input end of the controller (21) is connected to a signal input module (22), the signal input module (22) is connected to a leak detector probe (4); the output end of the controller (21) is connected to a human-computer interaction module (23).

Images