CN219736719U - Leakage detection device of power supply box of motor controller - Google Patents
Leakage detection device of power supply box of motor controller Download PDFInfo
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- CN219736719U CN219736719U CN202320669831.2U CN202320669831U CN219736719U CN 219736719 U CN219736719 U CN 219736719U CN 202320669831 U CN202320669831 U CN 202320669831U CN 219736719 U CN219736719 U CN 219736719U
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- CN
- China
- Prior art keywords
- motor controller
- sealing surface
- power supply
- supply box
- controller power
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- 238000001514 detection method Methods 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 54
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000001307 helium Substances 0.000 description 4
- 229910052734 helium Inorganic materials 0.000 description 4
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a leakage detection device of a motor controller power supply box, which comprises a base, wherein a workbench is arranged on the base, a positioning piece is arranged in the middle of the workbench, a sealing gasket is arranged on the outer side of the positioning piece, the sealing gasket comprises a first sealing surface and a second sealing surface which are mutually perpendicular, the first sealing surface is of a frame structure and is sleeved on the outer side of the positioning piece, and the second sealing surface is positioned on the left side of the first sealing surface; the positioning piece is of a frame structure, and an air nozzle is arranged in the middle of the positioning piece; the right side of the workbench is provided with a plugging block and a side jacking cylinder, and a lower pressing cylinder is arranged above the workbench. The utility model uses the integrated sealing gasket to seal the bottom and the left side of the motor controller power supply box, and the side top cylinder drives the sealing block to seal the right side wire interface, so that a sealing space is formed inside the motor controller power supply box, and the accuracy of the leak detection test is ensured.
Description
Technical Field
The utility model relates to the technical field of leakage detection equipment, in particular to a leakage detection device of a motor controller power supply box.
Background
The motor controller power supply box is required to ensure the self air tightness when in use, so that the leakage detection is required to be carried out when the motor controller power supply box leaves a factory, and the factory setting of the motor controller power supply box is ensured. The motor controller power supply box is of a semi-surrounding structure generally, and has no bottom surface and one side surface, and the motor controller power supply box and the control board form a closed structure after being installed on the control board, so that leakage conditions are easy to occur in the motor controller power supply box when leakage detection tests are carried out, and leakage detection of the motor controller power supply box is caused to occur to cause errors, and detection of products is affected.
Disclosure of Invention
In order to solve the problems, the utility model provides a leakage detection device of a motor controller power box, which can prevent air leakage of an opening on the motor controller power box and ensure the accuracy of leakage detection.
For this purpose, the technical scheme of the utility model is as follows: the leakage detection device comprises a base, a workbench is arranged on the base, a positioning piece is arranged in the middle of the workbench, a sealing gasket is arranged on the outer side of the positioning piece, the sealing gasket comprises a first sealing surface and a second sealing surface which are mutually perpendicular, the first sealing surface is of a frame structure and is sleeved on the outer side of the positioning piece, and the second sealing surface is positioned on the left side of the first sealing surface; the positioning piece is of a frame structure, and an air nozzle is arranged in the middle of the positioning piece; the right side of the workbench is provided with a plugging block and a side jacking cylinder, and a lower pressing cylinder is arranged above the workbench.
The left side and the bottom of the corresponding motor controller power box are in an opening shape, and two wire interfaces are arranged on the right side surface; therefore, in the leakage detection process, the wire interfaces on the left side, the bottom and the right side of the power supply box of the motor controller need to be plugged. When leakage is detected, the motor controller power supply box is buckled on the positioning piece, the bottom edge of the motor controller power supply box is propped against the first sealing surface of the frame type, and the left side is propped against the second sealing surface; the plugging block on the right side firmly plugs the wire interface under the action of the side jacking cylinder to prevent air leakage, so that a closed cavity is formed inside the power supply box of the motor controller; the lower air cylinder above the workbench can press down the power box of the motor controller, so that the power box of the motor controller is prevented from being jacked up by gas filled in the motor controller; and then the air nozzle is connected with the air charging equipment, helium or hydrogen can be charged into the motor controller power supply box, and the gas leakage test is carried out on the sealed cavity by using a helium leakage detection instrument.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the sealing gasket is made of silica gel, the left side of the second sealing surface is of a -shaped structure, namely, an opening is formed in one side, away from the first sealing surface, of the second sealing surface, and a pressing block is arranged in the opening. The sealing surface integrated into one piece in left side and bottom, the leakproofness is better, and the briquetting of left side can fix the second sealing surface, prevents that the second sealing surface from shifting.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: be equipped with the mounting bracket on the workstation, the cylinder that pushes down is fixed on the mounting bracket, and pushes down the cylinder and be located the setting element top. The lower pressure cylinder can limit the upward movement of the motor controller power box.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the middle of the locating piece is also provided with two jacking blocks, the first jacking block and the second jacking block are positioned on two sides of the air nozzle, and the first jacking block and the second jacking block are respectively arranged on the first jacking cylinder and the second jacking cylinder. The first ejector block and the second ejector block are positioned inside the motor controller power supply box and jack up the inner top surface of the motor controller power supply box to prevent the motor controller power supply box from being deformed by the pressing cylinder.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the side of the workbench is provided with a first plugging block and a second plugging block, and the first plugging block and the second plugging block are respectively arranged on the first side top cylinder and the second side top cylinder. The first blocking block and the second blocking block correspond to the positions of the wire interfaces on the right side of the power box of the motor controller.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the locating piece comprises a frame type locating main body, and a protruding locating block is arranged on one side of the locating piece, which faces the plugging block. The motor controller power supply box is just sleeved on the positioning main body, and the positioning block can prevent the motor controller power supply box from being reversely placed.
Compared with the prior art, the utility model has the beneficial effects that: utilize integrated into one piece's sealed pad to seal the bottom and the left side of motor controller power pack, the side top cylinder drives the shutoff piece and seals right side electric wire interface, and utilizes down the upper and lower position of motor controller power pack with last top cylinder to restrict for motor controller power pack closely laminates with sealed pad, inside formation enclosure space, guarantees the accuracy of leak hunting test.
Drawings
The following is a further detailed description of embodiments of the utility model with reference to the drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the workbench of the utility model;
FIG. 3 is a schematic view of a positioning member according to the present utility model;
FIG. 4 is a schematic view of the structure of the gasket of the present utility model;
FIG. 5 is a state diagram of the present utility model;
FIG. 6 is a cross-sectional view of the structure of FIG. 5;
fig. 7 is a schematic structural diagram of a motor controller power supply box.
Marked in the figure as: base 1, workstation 2, setting element 3, location main part 31, locating piece 32, sealed pad 4, first sealed face 41, second sealed face 42, briquetting 43, mounting bracket 5, lower air cylinder 51, air nozzle 6, first kicking block 71, second kicking block 72, first top cylinder 73, second top cylinder 74, first shutoff piece 81, second shutoff piece 82, first side top cylinder 83, second side top cylinder 84, motor controller power pack 9, motor controller power pack left side 91, motor controller power pack bottom 92, electric wire interface 93.
Detailed Description
In the description of the present utility model, it should be noted that, for the azimuth words such as the terms "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, only for convenience of describing the present utility model and simplifying the description, but do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and should not be construed as limiting the specific protection scope of the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first", "a second" feature may explicitly or implicitly include one or more of such feature, and in the description of the present utility model, the meaning of "a number", "a number" is two or more, unless otherwise specifically defined.
See the drawings. The embodiment of the leakage detection device of the motor controller power supply box comprises a base 1, wherein a workbench 2 is arranged on the base, a positioning piece 3 is arranged in the middle of the workbench 2, the positioning piece 3 comprises a frame type positioning main body 31, and a convex positioning block 32 is arranged on the right side of the positioning main body 31. The motor controller power supply box 9 is just sleeved on the positioning main body 31, and the positioning block 32 can prevent the motor controller power supply box 9 from being reversely placed.
The outer side of the positioning piece 3 is provided with a sealing gasket 4, the sealing gasket 4 is made of silica gel, the sealing gasket 4 comprises a first sealing surface 41 and a second sealing surface 42 which are perpendicular to each other, the first sealing surface 41 is of a frame structure, the sealing gasket is sleeved on the outer side of the positioning piece 3, and the second sealing surface 42 is positioned on the left side of the first sealing surface 41; the left side of the second sealing surface 42 is -shaped, namely, an opening is formed in one side, away from the first sealing surface, of the second sealing surface, and a pressing block 43 is arranged in the opening. The sealing surface integrated into one piece in left side and bottom, the leakproofness is better, and the briquetting of left side can fix the second sealing surface, prevents that the second sealing surface from shifting.
The workbench 2 is provided with a mounting frame 5, a pressing cylinder 51 is fixed on the mounting frame 5, and the pressing cylinder 51 is positioned above the positioning piece 3. The lower pressure cylinder can limit the upward movement of the motor controller power box.
The air nozzle 6 and two jacking blocks are arranged in the middle of the positioning piece 3, the first jacking block 71 and the second jacking block 72 are positioned on two sides of the air nozzle 6, and the first jacking block 71 and the second jacking block 72 are respectively arranged on the first jacking cylinder 73 and the second jacking cylinder 74. The first ejector block 71 and the second ejector block 72 are located inside the motor controller power supply box 9, and jack up the inside top surface of the motor controller power supply box, preventing the motor controller power supply box from being deformed by the pressing cylinder.
The right side of the workbench 2 is provided with a first plugging block 81 and a second plugging block 82, and the first plugging block 81 and the second plugging block 82 are respectively installed on a first side top cylinder 83 and a second side top cylinder 84. The first blocking block and the second blocking block correspond to the positions of the wire interfaces on the right side of the power box of the motor controller.
The left side 91 of the motor controller power supply box and the bottom 92 of the motor controller power supply box are in an opening shape, and two wire interfaces 93 are arranged on the right side surface. In the process of leak detection, the wire interfaces on the left side, the bottom and the right side of the motor controller power supply box 9 need to be plugged.
When leakage is detected, the motor controller power box 9 is buckled on the positioning piece 3, the edge of the bottom 92 of the motor controller power box is propped against the first sealing surface 41 of the frame type, and the left side is propped against the second sealing surface 42; the first plugging block 81 and the second plugging block 82 on the right firmly plug the wire interface under the action of the first side jacking cylinder 83 and the second side jacking cylinder 84 to prevent air leakage, so that a closed cavity is formed inside the motor controller power supply box 9; the lower air cylinder 51 above the workbench 2 can press down the power box of the motor controller, so that the power box of the motor controller is prevented from being jacked up by gas filled in the motor controller; and then the air nozzle 6 is connected with an air charging device, helium or hydrogen can be charged into the motor controller power supply box, and the gas leakage test is carried out on the sealed cavity by using a helium leakage detection instrument.
The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (6)
1. The utility model provides a leak hunting device of motor controller power pack, includes the base, is equipped with the workstation on the base, its characterized in that: the middle of the workbench is provided with a positioning piece, the outer side of the positioning piece is provided with a sealing gasket, the sealing gasket comprises a first sealing surface and a second sealing surface which are perpendicular to each other, the first sealing surface is of a frame structure and is sleeved on the outer side of the positioning piece, and the second sealing surface is positioned on the left side of the first sealing surface; the positioning piece is of a frame structure, and an air nozzle is arranged in the middle of the positioning piece; the right side of the workbench is provided with a plugging block and a side jacking cylinder, and a lower pressing cylinder is arranged above the workbench.
2. A leak detection apparatus for a motor controller power supply box as defined in claim 1, wherein: the sealing gasket is made of silica gel, the left side of the second sealing surface is of a -shaped structure, namely, an opening is formed in one side, away from the first sealing surface, of the second sealing surface, and a pressing block is arranged in the opening.
3. A leak detection apparatus for a motor controller power supply box as defined in claim 1, wherein: be equipped with the mounting bracket on the workstation, the cylinder that pushes down is fixed on the mounting bracket, and pushes down the cylinder and be located the setting element top.
4. A leak detection apparatus for a motor controller power supply box as defined in claim 1, wherein: the middle of the locating piece is also provided with two jacking blocks, the first jacking block and the second jacking block are positioned on two sides of the air nozzle, and the first jacking block and the second jacking block are respectively arranged on the first jacking cylinder and the second jacking cylinder.
5. A leak detection apparatus for a motor controller power supply box as defined in claim 1, wherein: the side of the workbench is provided with a first plugging block and a second plugging block, and the first plugging block and the second plugging block are respectively arranged on the first side top cylinder and the second side top cylinder.
6. A leak detection apparatus for a motor controller power supply box as defined in claim 1, wherein: the locating piece comprises a frame type locating main body, and a protruding locating block is arranged on one side of the locating piece, which faces the plugging block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320669831.2U CN219736719U (en) | 2023-03-27 | 2023-03-27 | Leakage detection device of power supply box of motor controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320669831.2U CN219736719U (en) | 2023-03-27 | 2023-03-27 | Leakage detection device of power supply box of motor controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219736719U true CN219736719U (en) | 2023-09-22 |
Family
ID=88052513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320669831.2U Active CN219736719U (en) | 2023-03-27 | 2023-03-27 | Leakage detection device of power supply box of motor controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219736719U (en) |
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2023
- 2023-03-27 CN CN202320669831.2U patent/CN219736719U/en active Active
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