CN112146813A - Leakage test testing device of traction converter IGBT module - Google Patents
Leakage test testing device of traction converter IGBT module Download PDFInfo
- Publication number
- CN112146813A CN112146813A CN202011022296.9A CN202011022296A CN112146813A CN 112146813 A CN112146813 A CN 112146813A CN 202011022296 A CN202011022296 A CN 202011022296A CN 112146813 A CN112146813 A CN 112146813A
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- Prior art keywords
- cooling hose
- fixed
- bracket
- mounting
- clamping
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000012360 testing method Methods 0.000 title claims abstract description 93
- 238000001816 cooling Methods 0.000 claims abstract description 64
- 238000003825 pressing Methods 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 13
- 239000000110 cooling liquid Substances 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 2
- 239000004484 Briquette Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a leakage test testing device of a traction converter IGBT module, which comprises a cooling hose joint fixing piece; the cooling hose joint fixing piece comprises a first bracket, an angle rotating disc and an installation clamping block; the first bracket is used for being fixed on the vibration test bed; the angle rotating disc is arranged on the first bracket, and the installation angle of the angle rotating disc on the first bracket can be adjusted; the mounting clamping block is fixed on the angle rotating disc and used for clamping a cooling hose joint to be tested. In the leakage test testing device of the traction converter IGBT module, the angle rotating disk is arranged in the cooling hose joint fixing part, the mounting angle of the cooling hose joint to be tested can be adjusted, the angle is made to accord with the actual mounting angle of the cooling liquid hose joint, and the accuracy of a test result is improved.
Description
Technical Field
The invention relates to the technical field of mechanical industry, in particular to a leakage test testing device for an IGBT module of a traction converter.
Background
At present, a rail vehicle has leakage risks in a cooling liquid hose and a joint of a traction converter IGBT module under an operation condition, so that a leakage test needs to be carried out in advance.
However, the existing leakage test device cannot truly simulate the actual installation angle of the cooling liquid hose connector, the difference between the test result and the actual performance is large, and the accuracy is not high.
Therefore, how to provide a leakage test testing device for a traction converter IGBT module to simulate the actual installation angle of a coolant hose joint and improve the accuracy of the test result is a problem to be solved by those skilled in the art.
Disclosure of Invention
In view of this, the invention provides a leakage test testing device for an IGBT module of a traction converter, wherein an angle rotating disk is arranged in a cooling hose joint fixing piece, so that the installation angle of a cooling hose joint to be tested can be adjusted, the angle is in accordance with the actual installation angle of a cooling liquid hose joint, and the accuracy of a test result is improved.
In order to achieve the purpose, the invention provides the following technical scheme:
a seepage test testing arrangement of traction converter IGBT module, includes cooling hose connector mounting, cooling hose connector mounting includes:
the first bracket is used for being fixed on the vibration test bed;
an angle rotating plate which is mounted on the first bracket, and the mounting angle of which on the first bracket is adjustable;
and the mounting clamping block is fixed on the angle rotating disk and used for clamping a cooling hose joint to be tested.
Preferably, in the leakage test apparatus, the first holder includes:
the first bottom plate is used for being fixed on the vibration test bed through fastening bolts;
one end of the first supporting rod is fixed on the first bottom plate; the angle rotating plate is installed on the first support rod.
Preferably, in the leakage test apparatus, the angular rotating disk is fixed to the first bracket by a fixing member; the angle rotating disk is provided with a plurality of mounting holes which are matched with the fixed piece and are arranged along the circumferential direction.
Preferably, in the leakage test apparatus, the mounting block includes:
the mounting seat is fixed on the angle rotating disk;
the pressing block is detachably fixed on the mounting seat through a bolt, and the pressing block and the mounting seat enclose a joint clamping space.
Preferably, in the leakage test apparatus, the cooling hose fixing member further includes:
the second bracket is used for being fixed on the vibration test bed;
and the clamping assembly is arranged on the second bracket and is used for assembling a cooling hose to be tested.
Preferably, in the leakage test apparatus, the second holder includes:
the second bottom plate is used for being fixed on the vibration test bed through fastening bolts;
one end of the second supporting rod is fixed on the second bottom plate; the clamping assembly is installed on the second supporting rod.
Preferably, in the leakage test testing device, the clamping assembly includes a first clamping block, a second clamping block and a mounting bolt, and a screw of the mounting bolt sequentially passes through mounting holes of the first clamping block, the second clamping block and the second support rod; the first clamping block and the second clamping block enclose a cooling hose accommodating space.
Preferably, in the leakage test device, at least two cooling hose joint fixing pieces are used for clamping different cooling hose joints to be tested respectively; the number of groups of clamping assemblies in the cooling hose fixing piece is the same as that of the cooling hose connector fixing piece.
The invention provides a leakage test testing device of a traction converter IGBT module, which comprises a cooling hose joint fixing piece; the cooling hose joint fixing piece comprises a first bracket, an angle rotating disc and an installation clamping block; the first bracket is used for being fixed on the vibration test bed; the angle rotating disc is arranged on the first bracket, and the installation angle of the angle rotating disc on the first bracket can be adjusted; the mounting clamping block is fixed on the angle rotating disc and used for clamping a cooling hose joint to be tested.
According to the leakage test device for the IGBT module of the traction converter, the angle rotating disc is arranged in the cooling hose joint fixing piece, so that the installation angle of the cooling hose joint to be tested can be adjusted, the angle is in accordance with the actual installation angle of the cooling liquid hose joint, and the accuracy of the test result is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a cooling hose fitting retainer according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a cooling hose mount according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a leakage test testing device of a traction converter IGBT module according to an embodiment of the present invention;
wherein, in fig. 1-3:
a first support bar 101; an angular rotation disc 102; a cooling hose connector 103; a bolt 104; a briquette 105; a mounting seat 106; a first bottom plate 107; a fixing member 108; mounting bolts 109; a first clamping block 110; a second clamp block 111; a second support bar 112; a second base plate 113; cooling hose 114.
Detailed Description
The embodiment of the invention discloses a leakage test testing device of a traction converter IGBT module, wherein an angle rotating disk is arranged in a cooling hose joint fixing piece, so that the mounting angle of a cooling hose joint to be tested can be adjusted, the angle is in accordance with the actual mounting angle of a cooling liquid hose joint, and the accuracy of a testing result is improved.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, an embodiment of the invention provides a leakage test testing apparatus for an IGBT module of a traction converter, including a cooling hose joint fixing member; the cooling hose nipple mount comprises a first bracket, an angular swivel 102 and a mounting clamp block; the first bracket is used for being fixed on the vibration test bed; the angle rotary disk 102 is mounted on the first bracket, and the mounting angle of the angle rotary disk 102 on the first bracket can be adjusted; the mounting clamp block is fixed on the angle rotary disc 102 and is used for clamping a cooling hose joint 103 to be tested.
In the leakage test device for the IGBT module of the traction converter provided by the embodiment of the invention, the angle rotating disc 102 is arranged in the cooling hose joint fixing piece, so that the installation angle of the cooling hose joint to be tested 103 can be adjusted, the angle is in accordance with the actual installation angle of the cooling liquid hose joint, and the accuracy of the test result is improved.
In the leakage test apparatus, the first bracket includes the first bottom plate 107 and the first support 101; the first bottom plate 107 is fixed on the vibration test bed through fastening bolts; one end of the first supporting rod 101 is fixed on the first bottom plate 107; the angle rotation plate is mounted on the first support bar 101.
Specifically, the angle rotating disk 102 is fixed to the first bracket by the fixing member 108 (the specific angle rotating disk 102 is fixed to the first support bar 101 by the fixing member 108); the angular rotary disk 102 is provided with a plurality of mounting holes which are respectively engaged with the fixed member 108 and are arranged in the circumferential direction. When the test device is applied, the angle rotating disc 102 is fixed by matching the fixing piece 108 with different mounting holes, so that the angle of the cooling hose connector 103 to be tested can be adjusted.
In the above embodiment, the mounting block includes: a mount 106 and a press block 105; the mounting seat 106 is fixed on the angle rotary disk 102; the pressing block 105 is detachably fixed on the mounting seat 106 through the bolt 104, and the pressing block 105 and the mounting seat 106 enclose a joint clamping space. During assembly, the pressing block 105 is detached, the cooling hose joint to be tested 103 is placed between the mounting seat 106 and the pressing block 105, and then the bolt 104 is installed.
Further, the leakage test testing device provided by the above embodiment further includes a cooling hose fixing member, where the cooling hose fixing member includes a second bracket and a clamping assembly; the second bracket is used for being fixed on the vibration test bed; a clamping assembly is mounted on the second bracket for mounting a cooling hose to be tested 114, which cooling hose to be tested 114 is connected to the cooling hose connection to be tested 103.
Specifically, the second bracket includes:
the second bottom plate 113, the second bottom plate 113 is used for fixing on the vibration test bed through the fastening bolt;
a second support bar 112, one end of the second support bar 112 is fixed on the second bottom plate 113; the clamping assembly is mounted on the second support bar 112.
The clamping assembly comprises a first clamping block 110, a second clamping block 111 and a mounting bolt 109, and a screw of the mounting bolt 109 sequentially passes through mounting holes of the first clamping block 110, the second clamping block 111 and a second support rod 112; the first clamping block 110 and the second clamping block 111 enclose a cooling hose accommodating space.
In the leakage test device, at least two cooling hose joint fixing pieces are used for clamping different cooling hose joints 103 to be tested respectively; the number of sets of clamp assemblies in the cooling hose fitting is the same as the number of cooling hose fitting fittings. In this embodiment, the leak test testing device can test the cooling hoses and the joints of different batches or different manufacturers, and is convenient for users to compare and analyze.
The method of use is described in detail below:
during test preparation, firstly, according to the specific size of a test sample piece, 2 groups of cooling hose joint fixing pieces are fixed on a vibration test bed, the cooling hose fixing pieces are fixed on the vibration test bed, then the position of the angle rotating disk 102 is adjusted according to the mounting angle required by the test piece, a domestic test piece and an imported test piece are respectively fixed on the 2 groups of cooling hose joint fixing pieces, then the cooling hose is fixed on the cooling hose fixing pieces, the cooling hose is externally connected with the oil pressure of cooling liquid during actual operation, and the installation of the leakage test device is completed. And finally, starting the vibration test bed, outputting random vibration, and adjusting the test temperature to simulate the external environment of a normally operated vehicle.
The leakage test testing device for the traction converter IGBT module can improve the reliability of the existing railway vehicle traction converter IGBT hose in low-temperature application, simulate the working state of the traction converter IGBT module cooling liquid hose and the joint under the vehicle operation condition, and complete the contrast test of the traction converter IGBT module import part and the domestic part.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a seepage test testing arrangement of traction converter IGBT module which characterized in that, includes cooling hose connector mounting, cooling hose connector mounting includes:
the first bracket is used for being fixed on the vibration test bed;
an angle rotating plate which is mounted on the first bracket, and the mounting angle of which on the first bracket is adjustable;
and the mounting clamping block is fixed on the angle rotating disk and used for clamping a cooling hose joint to be tested.
2. The leak test testing apparatus of claim 1, wherein the first bracket comprises:
the first bottom plate is used for being fixed on the vibration test bed through fastening bolts;
one end of the first supporting rod is fixed on the first bottom plate; the angle rotating plate is installed on the first support rod.
3. The leak test testing apparatus of claim 1, wherein the angular rotation disk is secured to the first bracket by a securing member; the angle rotating disk is provided with a plurality of mounting holes which are matched with the fixed piece and are arranged along the circumferential direction.
4. The leak test testing apparatus of claim 1, wherein the mounting block comprises:
the mounting seat is fixed on the angle rotating disk;
the pressing block is detachably fixed on the mounting seat through a bolt, and the pressing block and the mounting seat enclose a joint clamping space.
5. The leak test testing apparatus of claim 1, further comprising a cooling hose fixture, the cooling hose fixture comprising:
the second bracket is used for being fixed on the vibration test bed;
and the clamping assembly is arranged on the second bracket and is used for assembling a cooling hose to be tested.
6. The leak test apparatus of claim 5, wherein the second bracket comprises:
the second bottom plate is used for being fixed on the vibration test bed through fastening bolts;
one end of the second supporting rod is fixed on the second bottom plate; the clamping assembly is installed on the second supporting rod.
7. The leak test testing device according to claim 6, wherein the clamping assembly comprises a first clamping block, a second clamping block and a mounting bolt, and a screw of the mounting bolt sequentially penetrates through mounting holes of the first clamping block, the second clamping block and the second supporting rod; the first clamping block and the second clamping block enclose a cooling hose accommodating space.
8. The leak test testing device of claim 5, wherein the number of the cooling hose connector fixing members is at least two, and the at least two cooling hose connector fixing members are respectively used for clamping different cooling hose connectors to be tested; the number of groups of clamping assemblies in the cooling hose fixing piece is the same as that of the cooling hose connector fixing piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011022296.9A CN112146813A (en) | 2020-09-25 | 2020-09-25 | Leakage test testing device of traction converter IGBT module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011022296.9A CN112146813A (en) | 2020-09-25 | 2020-09-25 | Leakage test testing device of traction converter IGBT module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112146813A true CN112146813A (en) | 2020-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011022296.9A Pending CN112146813A (en) | 2020-09-25 | 2020-09-25 | Leakage test testing device of traction converter IGBT module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112146813A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115371922A (en) * | 2022-07-14 | 2022-11-22 | 广州汽车集团股份有限公司 | Vibration isolation test stand, vibration isolation test system and vibration isolation test method |
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| CN207724162U (en) * | 2017-11-20 | 2018-08-14 | 广西科技大学 | A kind of fixture for automobile exhaust pipe vibration experiment |
| CN108489694A (en) * | 2018-02-23 | 2018-09-04 | 江苏省产品质量监督检验研究院 | A kind of descaling line pressure vibration rig |
| CN209533152U (en) * | 2018-11-08 | 2019-10-25 | 一汽-大众汽车有限公司 | A kind of rubber pipe fixing device that full freedom degree position is adjusted |
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2020
- 2020-09-25 CN CN202011022296.9A patent/CN112146813A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975650A (en) * | 2010-09-30 | 2011-02-16 | 无锡金羊管件有限公司 | Vibration testing device for pipeline |
| CN202931226U (en) * | 2012-10-16 | 2013-05-08 | 南车株洲电力机车研究所有限公司 | IGBT current transformer module |
| CN104075854A (en) * | 2014-06-30 | 2014-10-01 | 中南大学 | Shield segment joint anti-penetrability performance test device |
| CN206177547U (en) * | 2016-11-15 | 2017-05-17 | 北京强度环境研究所 | General type pipe vibration anchor clamps |
| CN206410835U (en) * | 2016-12-09 | 2017-08-15 | 北京强度环境研究所 | A kind of conduit vibrates interface clamping device |
| CN107014576A (en) * | 2017-03-15 | 2017-08-04 | 北京强度环境研究所 | A kind of spatial pipeline system vibration test fixture |
| CN207724162U (en) * | 2017-11-20 | 2018-08-14 | 广西科技大学 | A kind of fixture for automobile exhaust pipe vibration experiment |
| CN108489694A (en) * | 2018-02-23 | 2018-09-04 | 江苏省产品质量监督检验研究院 | A kind of descaling line pressure vibration rig |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115371922A (en) * | 2022-07-14 | 2022-11-22 | 广州汽车集团股份有限公司 | Vibration isolation test stand, vibration isolation test system and vibration isolation test method |
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Application publication date: 20201229 |
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