Automobile inverter sealing clamp

Abstract

The application relates to a kind of automobile inverter sealing clamps for detecting the sealing property of automobile inverters, comprising a base, a horizontal self-locking compression clamp, a high-pressure interface self-locking compression plug, an air inlet, a detection port self-locking compression plug and a connector self-locking compression plug.The horizontal self-locking compression clamp is used for compressing and fixing the automobile inverter to be tested, the high-pressure interface self-locking compression plug, the detection port self-locking compression plug and the connector self-locking compression plug are used for sealing all ports, and the air inlet is used for inflating the inside of the automobile inverter to be tested.By inflating the inside of the automobile inverter to be tested through the air inlet, the sealing performance of the measured product is determined by detecting the gas leakage amount of the measured product.Compared with the prior art, the application has the advantages of accurate positioning, safety and reliability, and convenient assembly.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of automobile technology, in particular to a kind of automobile inverter sealing fixture. BACKGROUND

[0002] With the continuous rapid development of automobile, the requirements of various parts are gradually improved, especially the inverter in the three electric components of automobile.The inverter is a converter that converts direct current into fixed frequency and fixed voltage or adjustable frequency and adjustable voltage alternating current, and it is one of the important components in the three electric technology of automobile, which belongs to high-voltage components, so the sealing requirement of inverter is very strict.If the sealing performance of inverter is not good, it may cause machine failure and cannot generate electricity normally;More serious will lead to machine scrap.

[0003] At present, the sealing requirement of inverter single body reaches IP67&IP6K9K protection level, which requires more strict sealing design for each inverter, and sealing test after each inverter assembly is completed.The existing inverter product has irregular external shape, more openings and tolerance accumulation after assembly of each part, which is very unfavorable for sealing.

[0004] Therefore, it is necessary to develop a sealing detection device for irregular shape inverter. SUMMARY

[0005] The purpose of the present application is to overcome the defects of the prior art and provide an automobile inverter sealing fixture for detecting the sealing performance of automobile inverter.

[0006] The purpose of the present application can be realized by the following technical scheme:

[0007] An automobile inverter sealing fixture for detecting the sealing performance of automobile inverter, characterized in that it comprises a base, a horizontal self-locking compression clamp, a high-pressure interface self-locking compression plug, an air inlet, a detection port self-locking compression plug and a connector self-locking compression plug.

[0008] The horizontal self-locking compression clamp and the high-pressure interface self-locking compression plug are arranged on the base.

[0009] The base is provided with a support table, and the air inlet, the detection port self-locking compression plug and the connector self-locking compression plug are arranged on the support table.

[0010] The horizontal self-locking compression clamp is used for fixing and compressing the automobile inverter to be tested, the high-pressure interface self-locking compression plug, the detection port self-locking compression plug and the connector self-locking compression plug are used for sealing all ports, and the air inlet is used for inflating the inside of the automobile inverter to be tested.

[0011] Further, the high-pressure interface self-locking compression plug comprises a first self-locking compression clamp, a first guide column, a first support, a plug base and a first plug.

[0012] The first self-locking compression clamp is arranged on the first guide column, and the first plug is arranged on the plug base.

[0013] The first plug is provided with two.

[0014] The first support is connected with the first guide column and the plug base respectively.

[0015] Further, the first plug is made of rubber.

[0016] Further, the base comprises a clamp bottom plate and a product positioning table.

[0017] The clamp bottom plate is connected with the product positioning table through the sliding guide rail.

[0018] Further, the product positioning table is provided with a positioning column, a connector plug, a positioner and an output port plug.

[0019] The clamp bottom plate and the product positioning table are limited by the positioner.

[0020] Further, the air inlet comprises a second self-locking compression clamp, a second guide column, a second support, an air inlet and an air inlet plug.

[0021] The second self-locking compression clamp is arranged on the second guide column, and one side of the second support is connected with the second guide column.

[0022] The air inlet is arranged on an air inlet base.

[0023] One side of the air inlet base is connected with the air inlet plug, and the other side is connected with the second support.

[0024] Further, the detection port self-locking compression plug 6 comprises a third self-locking compression clamp, a third guide column and an elastic block.

[0025] Further, the connector self-locking compression plug 7 comprises a fourth self-locking compression clamp, a fourth guide column and a second plug.

[0026] Further, the horizontal self-locking compression clamp is provided with four.

[0027] Further, the connector self-locking compression plug is provided with two.

[0028] Compared with the prior art, the present application has the following beneficial effects:

[0029] 1. The application compresses the inverter product to be tested by using horizontal self-locking compression clamps, high-pressure interface self-locking compression plugs, detection port self-locking compression plugs and connector self-locking compression plugs, inflates the inside of the product to be tested through the air inlet, detects the sealing performance of the product to be tested by detecting the gas leakage of the product to be tested, and adopts a large product test pressure, and all compression and port sealing structures adopt self-locking function structures, so that the test result is safe and reliable.

[0030] 2. The product positioning table and the clamp bottom plate are fixed relative to each other by the positioner, and the product to be tested is fixed in position by the horizontal self-locking compression clamps cooperating with the positioning column, so that the positioning is accurate and can ensure that all ports of the product to be tested are in the correct position.

[0031] 3. The plugs and sealing structures provided on the horizontal self-locking compression clamps, high-pressure interface self-locking compression plugs, air inlets, detection port self-locking compression plugs and connector self-locking compression plugs in the application are all sealed with rubber material, which can effectively eliminate the possibility of sealing failure caused by irregular product machining tolerance.

[0032] 4. The application is easy to assemble, and the assembly process does not need manual sealing adjustment, simplifying the personnel installation steps. DETAILED DESCRIPTION

[0033] Figure 1 is a structural schematic diagram of the application;

[0034] Figure 2 is a structural schematic diagram of the clamp bottom plate of the application;

[0035] Figure 3 is a structural schematic diagram of the product positioning table of the application;

[0036] Figure 4 is a structural schematic diagram of the high-pressure interface self-locking compression plug of the application;

[0037] Figure 5 is a structural schematic diagram of the air inlet of the application;

[0038] Figure 1 The correspondence between the reference signs and each component is: 1-clamp bottom plate, 2-product positioning table, 3-horizontal self-locking compression clamp, 4-high-pressure interface self-locking compression plug, 5-air inlet, 6-detection port self-locking compression plug, 7-connector self-locking compression plug;

[0039] Figure 2 The correspondence between the reference signs and each component is: 8-sliding guide rail;

[0040] Figure 3 The correspondence between the reference signs and each component is: 9-positioning column, 10-connector plug, 11-positioner, 12-output port plug;

[0041] Figure 4 Corresponding relationship between the reference signs and the respective components is: 13-first self-locking compression clamp, 14-first guide column, 15-first support, 16-plug base, 17-rubber plug;

[0042] Figure 5 Corresponding relationship between the reference signs and the respective components is: 18-air inlet, 19-air inlet plug, 20-second self-locking compression clamp, 21-second guide column, 22-second support. DETAILED DESCRIPTION

[0043] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should fall within the scope of protection of the present application.

[0044] As shown in Figure 1 It is a kind of automobile inverter sealing clamp for detecting the sealing property of automobile inverter, especially applied to new energy vehicles. The sealing clamp structure includes base, horizontal self-locking compression clamp 3, high-pressure interface self-locking compression plug 4, air inlet 5, detection port self-locking compression plug 6 and connector self-locking compression plug 7;

[0045] Horizontal self-locking compression clamp 3 is used for compression fixing of the inverter to be tested, high-pressure interface self-locking compression plug 4, detection port self-locking compression plug 6 and connector self-locking compression plug 7 are used for sealing all ports, and air inlet 5 is used for inflating the inside of the inverter to be tested.

[0046] Horizontal self-locking compression clamp 3 and high-pressure interface self-locking compression plug 4 are arranged on the base;

[0047] The base is provided with a support table, and the air inlet 5, the detection port self-locking compression plug 6 and the connector self-locking compression plug 7 are arranged on the support table.

[0048] In the embodiment, the horizontal self-locking compression clamp 3 is provided with four, equidistantly installed around the base, and the connector self-locking compression plug 7 is provided with two;The support table is of I-shaped structure, and the support table is elevated by four supporting columns and is kept a certain distance from the base;

[0049] The base includes clamp bottom plate 1 and product positioning table 2;

[0050] The product positioning table 2 is provided with positioning column 9, connector plug 10, positioner 11 and output port plug 12;

[0051] In this embodiment, the positioning column 9 is provided with 4, equidistantly installed on the product positioning table around, and the positioning column 9 and four horizontal self-locking compression clamps 3 are matched respectively, the contact surface of the horizontal self-locking compression clamp 3 and the positioning column 9 is provided with rubber sealing element, in specific implementation, the horizontal self-locking compression clamp 3 is clamped through the contact with the positioning column.

[0052] In this embodiment, the connector plug 10 and the output port plug 12 are cylindrical and the cross section is a rounded rectangle.

[0053] The clamp base plate 1 is provided with two sliding guide rails 8, and the product positioning table 2 bottom surface is provided with a sliding rail groove, the product positioning table 2 and the clamp base plate 1 are connected through the sliding guide rail 8, and are limited through the positioner 11.

[0054] The high-pressure interface self-locking compression plug 4 includes a first self-locking compression clamp 13, a first guide column 14, a first bracket 15, a plug base 16 and a rubber plug 17, the first self-locking compression clamp 13 is arranged on the first guide column 14, and the first plug 17 is arranged on the plug base 16; the first bracket 15 is connected with the first guide column 14 and the plug base 16 respectively on both sides.

[0055] In this embodiment, the first plug 17 is provided with two, which is a circular structure, and the first plug is a first plug made of rubber.

[0056] The air inlet 5 includes a second self-locking compression clamp 20, a second guide column 21, a second bracket 22, an air inlet 18 and an air inlet plug 19; the second self-locking compression clamp 20 is arranged on the second guide column 21, and one side of the second bracket 22 is connected with the second guide column 21; the air inlet 18 is arranged on the air inlet base; one side of the air inlet base is connected with the air inlet plug 19, and the other side is connected with the second bracket 22. The air inlet plug is a circular structure, and is an air inlet plug made of rubber.

[0057] The detection port self-locking compression plug 6 includes a third self-locking compression clamp, a third guide column and an elastic block, in this embodiment, the elastic block is an elastic rubber block made of rubber;

[0058] The connector self-locking compression plug 7 includes a fourth self-locking compression clamp, a fourth guide column and a second plug, in this embodiment, the second plug is a second plug made of rubber.

[0059] In the embodiment, the product positioning table 2 is extracted, the inverter product to be tested is placed on the product positioning table 2, the product positioning table 2 is pushed inward to the positioner 11 to fix the position, the positioner 11 is locked, the horizontal self-locking compression clamp 3 is compressed, the horizontal self-locking compression clamp 3 and the positioning column 9 together accurately position the product, while the product is compressed, the connector plug 10 and the output port plug 12 on the product positioning table 2 also play a sealing role, the high-pressure interface self-locking compression plug 4, the detection port self-locking compression plug 6 and the connector self-locking compression plug 7 are closed again, the air inlet 5 is closed, the inside of the tested product is completely sealed at this time, and the sealed test can be performed. During the test, 20 kpa pressure atmosphere is filled into the inside of the product to be tested through the air inlet 5, and the sealed performance of the product to be tested is determined by detecting the gas leakage amount of the product to be tested.

[0060] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the present application, and these modifications or replacements should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A sealing fixture for automotive inverters, used to test the sealing performance of automotive inverters, characterized in that, The base, horizontal self-locking compression clamp (3), high-pressure interface self-locking compression plug (4), air inlet self-locking compression plug (5), detection port self-locking compression plug (6) and connector self-locking compression plug (7) are included. The horizontal self-locking compression clamp (3) and the high-pressure interface self-locking compression plug (4) are arranged on the base. The base is provided with a support table, and the air inlet self-locking compression plug (5), the detection port self-locking compression plug (6) and the connector self-locking compression plug (7) are arranged on the support table. The horizontal self-locking compression clamp (3) is used for compression fixing the automobile inverter to be tested, the high-pressure interface self-locking compression plug (4), the detection port self-locking compression plug (6) and the connector self-locking compression plug (7) are used for sealing all ports, and the air inlet self-locking compression plug (5) is used for inflating the inside of the automobile inverter to be tested. The base includes a clamp bottom plate (1) and a product positioning table (2). The clamp bottom plate (1) is provided with a sliding guide rail (8), and the clamp bottom plate (1) is connected with the product positioning table (2) through the sliding guide rail (8). The product positioning table (2) is provided with a positioning column (9), a connector plug (10), a positioner (11) and an output port plug (12). The clamp bottom plate (1) and the product positioning table (2) are limited by the positioner (11). The high-pressure interface self-locking compression plug (4) includes a first self-locking compression clamp (13), a first guide column (14), a first support (15), a plug base (16) and a first plug (17). The first self-locking compression clamp (13) is arranged on the first guide column (14), and the first plug (17) is arranged on the plug base (16). The first plug (17) is provided with two. The first support (15) is connected with the first guide column (14) and the plug base (16) on both sides. The air inlet self-locking compression plug (5) includes a second self-locking compression clamp (20), a second guide column (21), a second support (22), an air inlet (18) and an air inlet plug (19). The second self-locking compression clamp (20) is arranged on the second guide column (21), and one side of the second support (22) is connected with the second guide column (21). The air inlet (18) is arranged on the air inlet base. One side of the air inlet base is connected with the air inlet plug (19), and the other side is connected with the second support (22).

2. The automotive inverter sealing fixture of claim 1, wherein, The first plug (17) is made of rubber.

3. The automotive inverter sealing fixture of claim 1, wherein, The detection port self-locking compression plug (6) includes a third self-locking compression clamp, a third guide column and an elastic block.

4. The automotive inverter sealing fixture of claim 1, wherein, The connector self-locking compression plug (7) includes a fourth self-locking compression clamp, a fourth guide column and a second plug.

5. The automotive inverter sealing fixture of claim 1, wherein, The horizontal self-locking compression clamp (3) is provided with four.

6. The automotive inverter sealing fixture of claim 1, wherein, The connector self-locking compression plug (7) is provided with two.

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