CN220691046U - Quick clamping measuring device for IGBT of current transformer of motor train unit - Google Patents
Quick clamping measuring device for IGBT of current transformer of motor train unit Download PDFInfo
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- CN220691046U CN220691046U CN202321882627.5U CN202321882627U CN220691046U CN 220691046 U CN220691046 U CN 220691046U CN 202321882627 U CN202321882627 U CN 202321882627U CN 220691046 U CN220691046 U CN 220691046U
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- motor train
- train unit
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- 238000012360 testing method Methods 0.000 claims abstract description 27
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- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
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- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of motor train units, and discloses a quick clamping measuring device for measuring IGBT static parameters of a converter of a motor train unit. The device is suitable for being installed in a small space, the testing capability of voltage and current can be improved by adopting array pins for testing the contacts, the structure expandability is strong, and the range of testing varieties can be increased by replacing the clamp and the contacts. The automatic rapid test can meet the large-scale production requirement of users, the low failure rate also ensures the production efficiency of the users, and is beneficial to improving the high-technology-content IGBT overhauling and failure diagnosis capacity of the motor train unit.
Description
Technical Field
The utility model relates to the technical field of power electronic testing technology of motor train units, in particular to a modularized rapid clamping measuring device for IGBT static parameters of motor train units.
Background
At present, with the rapid development of domestic high-speed railways, an IGBT (insulated gate field effect transistor) is a main high-power element of a motor train unit, bears an important task of providing electric energy for various loads of the motor train unit, and is one of important attention objects for maintaining electric elements of the motor train unit. IGBT (insulated gate field effect transistor) is used as one of the most important electronic components of the motor train unit, and the performance parameters of the IGBT can be aged and the efficiency of the IGBT is reduced due to wear of the IGBT, or the IGBT can cause device faults due to unbalance, even the IGBT can be damaged in the running process of a train, and potential safety hazards are caused to railway transportation. It is important to inspect, screen, repair and replace new products and component parameters in use. As important electrical equipment such as a traction converter, an auxiliary converter and the like of a motor train unit vehicle, a large number of IGBT devices are used, a single IGBT device adopts a plurality of static parameters to provide visual reference basis, the on-site manual measurement environment is poor, various static parameters of the IGBT cannot be accurately and efficiently measured, the off-line maintenance period is long, the cost is high, and the maintenance progress of the motor train unit is influenced by the delay. Therefore, the above-mentioned problems of the prior art are a major problem to be solved by those skilled in the art.
Disclosure of Invention
Aiming at the problems in the prior art, the modularized IGBT rapid clamping measuring device aims at realizing small volume, simple and convenient operation, rapid clamping, safe use and full-automatic detection process.
The utility model adopts the following technical scheme:
the utility model provides a quick clamping and measuring device for an IGBT of a motor train unit converter, which comprises the following components:
the IGBT modularized rapid clamping measuring device is wrapped by a shielding box body 5; the two side panels in the box body are provided with guide rails, the telescopic table 4 can extend outwards or retract into the box body through the guide rails, four corners of the telescopic table 4 are provided with four guide rails, and the lifting table 1 is fixed on the guide rails and can move up and down through the guide rails; the heating plate 2 is arranged above the lifting table 1; the clamp 3 is fixed above the heating plate 2; the pneumatic push rod 6 is arranged in the center of the bottom plate of the box body 5; the shielding door 7 is positioned in the clamping groove on the front surface of the box body and can move up and down; the laser monitoring devices 8 are fixed on two sides of the front part of the box body.
Preferably, the whole shielding box body 5 is supported by an aluminum alloy frame, each surface is covered with an insulating silicon panel, the high-voltage equipment is insulated from the outside, the test is not interfered by the external environment, the side panels on two sides are provided with guide rails, and the array contacts 9 are arranged on the top plate and are connected with the outside through the guide wires;
preferably, the array contacts 9 are used for contacting pins required to be measured by the measured piece, the positions of the array contacts are in one-to-one correspondence with the pins required to be measured by the measured piece, and each contact of the array contacts 9 adopts copper pin pins to be arranged according to an n-n square array;
preferably, the telescopic table 4 is constructed by adopting an aluminum alloy section, two sides of the telescopic table are provided with linear guide rails connected with the shielding box body 5 and can be telescopic inside and outside through pneumatic elements, and a limiter is arranged above the guide rails to ensure that a measured piece 10 on the clamp 3 can be aligned up and down with the position of the array contact 9 after the telescopic table 4 is limited;
preferably, cylindrical guide rails are arranged at four corners of the telescopic table 4 and can enable the lifting table 1 to move up and down, and limiters are arranged at the top ends of the cylindrical guide rails to prevent the lifting table from falling off;
preferably, a groove handle is arranged on the outer side of the telescopic table 4, so that an operator can conveniently and manually operate the telescopic table in and out;
preferably, four corners of the lifting platform 1 are provided with linear sliding blocks which are coupled with cylindrical guide rails of the telescopic platform 4 to realize up-and-down movement, and a notch is arranged below the lifting platform to enable the tail end of the pneumatic push rod 6 to be clamped in when the platform is in a retracted state;
preferably, the heating plate 2 is arranged above the lifting table 1, the clamp 3 is arranged below the heating plate 2, the clamp 3 and the clamp are fixed through bolts, and a cylindrical clamping tenon is arranged above the clamp 3, so that a measured piece can be fast clamped and fixed;
preferably, the laser monitoring device 8 is fixed on two sides of the front part of the box body, the shielding door 7 is positioned in a clamping groove on the front surface of the box body and can move up and down, the two are linked with each other, when the test is not started and the high voltage is not established, when foreign matters exist in the detection range of the laser monitoring device 8, the shielding door 7 is kept open, and otherwise, the shielding door 7 is kept closed;
preferably, the shielding door 7 is made of insulating transparent explosion-proof plastic, so that the strength is ensured to prevent explosion or electric shock injury, and the testing condition is conveniently monitored.
Advantageous effects
The technical scheme has the following advantages or beneficial effects:
(1) The IGBT quick clamping measuring device for the current transformer of the motor train unit realizes automatic quick clamping detection of the IGBT, and has reliable and stable clamping, simple control and small whole volume;
(2) The testing capability of voltage and current can be improved by adopting array pins for the testing contacts, the structural expandability is strong, and the range of testing varieties can be increased by replacing the clamp and the contacts;
(3) The test device has the advantages that the test efficiency is greatly improved while the detection precision is ensured, the operation safety of maintenance personnel is ensured, the maintenance quality and efficiency of the motor train unit are ensured, and the electrical components can be detected more effectively on a large scale.
Drawings
Embodiments of the present utility model will now be described more fully with reference to the accompanying drawings. The drawings, however, are for illustration and description only and are not intended as a definition of the limits of the utility model.
Fig. 1 is a schematic diagram of a three-dimensional structure of a device for quickly clamping and measuring an IGBT of a motor train unit converter according to an embodiment of the present utility model under the condition that a measured piece is placed in an opened state;
FIG. 2 is a side cross-sectional view of a motor train unit converter IGBT quick clamp measuring device according to an embodiment of the utility model, retracted into a telescoping stand and ready for testing;
fig. 3 is a side sectional view of a motor train unit converter IGBT quick clamp measurement device test according to an embodiment of the present utility model;
reference numerals illustrate: 1. a lifting table; 2. a heating plate; 3. a clamp; 4. a telescoping table; 5. a case; 6. a pneumatic push rod; 7. a shielding door; 8. a laser monitoring device; 9. an array contact; 10. a measured piece;
description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
Referring to fig. 1 and 2, the present utility model provides a fast clamping and measuring device for a motor train unit converter IGBT, including:
the IGBT rapid clamping measuring device is wrapped by a shielding box body 5; the two side panels in the box body are provided with guide rails, the telescopic table 4 can extend outwards or retract into the box body through the guide rails, four corners of the telescopic table 4 are provided with four guide rails, and the lifting table 1 is fixed on the guide rails and can move up and down through the guide rails; the heating plate 2 is arranged above the lifting table 1; the clamp 3 is fixed above the heating plate 2; the pneumatic push rod 6 is arranged in the center of the bottom plate of the box body 5; the shielding door 7 is positioned in the clamping groove on the front surface of the box body and can move up and down; the laser monitoring devices 8 are fixed on two sides of the front part of the box body.
According to the quick clamping and measuring device for the IGBT of the motor train unit converter, as shown in the figure 1, the whole shielding box body 5 is supported by an aluminum alloy frame, each surface is covered with an insulating silicon panel, high-voltage equipment is insulated from the outside, the test is not interfered by the external environment, the side panels on two sides are provided with guide rails, and the array contacts 9 are arranged on a top plate and are connected with the outside through the guide wires;
through the quick clamping and measuring device for the IGBT of the motor train unit converter, as shown in the figure 2, the array contacts 9 are used for contacting pins required to be measured of a measured piece, the positions of the array contacts correspond to the pins required to be measured of the measured piece one by one, and each contact of the array contacts 9 adopts copper pin pins to be distributed according to an n-n square array;
referring to fig. 1-3, the telescopic table 4 is constructed by adopting an aluminum alloy section, two sides of the telescopic table are provided with linear guide rails connected with the shielding box 5 and can be telescopic inside and outside through pneumatic elements, and a limiter is arranged above the guide rails to ensure that a tested piece 10 on the clamp 3 can be aligned up and down with the position of the array contact 9 after the telescopic table 4 is limited;
through the telescopic table 4, as shown in fig. 3, four corners of the telescopic table 4 are provided with cylindrical guide rails which can enable the lifting table 1 to move up and down, and the top ends of the cylindrical guide rails are provided with limiters to prevent the lifting table from falling off;
through the telescopic table 4, as shown in fig. 1, a groove handle is arranged on the outer side of the telescopic table 4, so that an operator can conveniently operate the telescopic table in and out manually;
referring to fig. 3, the lifting platform 1 withdraws the box body when the test is performed, and the lower pneumatic push rod 6 pushes up the lifting platform 1 to enable the contact of the tested piece 10 to be in tight contact with the array contact 9;
through the quick clamping measuring device for the IGBT of the motor train unit converter, as shown in the figure 2 of the drawing 1, the four corners of the lifting table 1 are provided with the linear sliding blocks, the linear sliding blocks are coupled with the cylindrical guide rail of the telescopic table 4 to realize up-and-down movement, and the lower part of the linear sliding blocks is provided with the notch which can enable the push rod end of the pneumatic push rod 6 to be clamped in when the platform is in a retracted state;
referring to fig. 1 and 2, the heating plate 2 is installed above the lifting table 1, the clamp 3 is installed below the heating plate 2, the three are fixed by bolts, and the cylindrical clamping bamboo shoots are arranged above the clamp 3 to enable the tested piece to be fast clamped and fixed;
referring to fig. 1, the laser monitoring device 8 is fixed on two sides of the front part of the box body, the shielding door 7 is located in a clamping groove on the front surface of the box body and can move up and down, the two are linked with each other, when the test is not started and the high voltage is not established, when foreign matters exist in the detection range of the laser monitoring device 8, the shielding door 7 is kept open, otherwise, the shielding door is kept closed;
referring to fig. 1, the shielding door 7 is made of insulating transparent explosion-proof plastic, so that the strength is ensured to prevent explosion or electric shock injury, and meanwhile, the testing condition is conveniently monitored.
In a preferred embodiment, and as shown in connection with FIGS. 1-3, the method of use of the present utility model is as follows:
starting the IGBT quick clamping measuring device of the motor train unit converter, opening the shielding door 7, and sending the clamp 3 out of the box body by the telescopic table 4; the operator then places the measured piece 10 on the clamping platform of the clamp 9, ensures that the clamping bamboo shoots are clamped in place and presses the start key; the sensor on the clamp 9 confirms whether the tested piece 10 is installed in place, if not, an alarm is given, and if the tested piece can be confirmed to be firmly installed, the telescopic table 4 is retracted; the laser monitoring devices 8 on the two sides of the door frame confirm whether foreign matters exist around the shielding door 7, confirm that the telescopic platform 4 is completely retracted and ensure that the shielding door 7 is closed after the body of an operator does not invade a working area, extend the telescopic platform 4 if the telescopic platform 4 is detected to be not completely retracted, try to re-clamp a tested piece to be retracted again, and alarm and exit the test if the shielding door 7 is not closed for a plurality of times; the pneumatic push rod 6 jacks up the lifting table 1 to enable the clamp 9 to be lifted, the contact to be tested of the tested piece 10 is tightly pressed against the array electric shock 9 at the top of the box 5, the sensor confirms whether the pressure of the array contact 9 and the contact to be tested of the tested piece 10 reaches a specified value or not, meanwhile, whether the contact is conducted or not is detected, the lifting table 1 is lifted again after being lowered if the contact is not tightly pressed, and the test alarm is stopped if the contact fails for many times; the operator inputs test data, the system establishes a high-pressure environment, and the heating plate 2 heats the internal environment to a specified temperature; after the device completes the test according to the external instruction, waiting for the internal voltage temperature to recover to be normal, retracting the pneumatic push rod 6 to the lifting platform 1 to descend, opening the shielding door 7, and extending the telescopic platform 4; the operator then takes down the tested piece 10, if the test is continued, a new tested piece is put on, otherwise, the end button is pressed to enable the telescopic platform 4 to retract into the box body to close the shielding door 7, and the power supply is disconnected to finish the test.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (7)
1. IGBT quick clamping measuring device of EMUs converter, its characterized in that includes: the IGBT rapid clamping measuring device is wrapped by a shielding box body (5); the two side panels inside the box body are provided with guide rails, the telescopic table (4) can extend outwards or retract into the box body through the guide rails, four corners of the telescopic table (4) are provided with four guide rails, and the lifting table (1) is fixed on the guide rails and can move up and down through the guide rails; the heating plate (2) is arranged above the lifting table (1); the clamp (3) is fixed above the heating plate (2); the pneumatic push rod (6) is arranged at the center of the bottom plate of the box body (5); the shielding door (7) is positioned in the clamping groove on the front surface of the box body and can move up and down; the laser monitoring devices (8) are fixed on two sides of the front part of the box body.
2. The quick clamping and measuring device for the IGBT of the motor train unit converter according to claim 1 is characterized in that: the shielding box body (5) is integrally supported by an aluminum alloy frame, each surface is covered with an insulating silicon panel, high-voltage equipment is insulated from the outside, the test is not interfered by the external environment, guide rails are arranged on the side panels on two sides, and the array contacts (9) are arranged on the top plate and are connected with the outside through the guide wires.
3. The quick clamping and measuring device for the IGBT of the motor train unit converter according to claim 2, wherein the quick clamping and measuring device is characterized in that: the array contacts (9) are used for contacting pins required to be measured of the measured piece, the positions of the array contacts are in one-to-one correspondence with the pins required to be measured of the measured piece, and each contact of the array contacts (9) adopts copper pins to be distributed according to an n-by-n square array.
4. The quick clamping and measuring device for the IGBT of the motor train unit converter according to claim 1 is characterized in that: the telescopic bench (4) both sides have linear guide and shield box (5) to can be through the inside and outside flexible of pneumatic element, there is stopper above the guide rail to guarantee that the measured piece (10) on anchor clamps (3) can be aligned from top to bottom with array contact (9) position behind telescopic bench (4) spacing, and there is cylinder guide in four corners to enable elevating platform (1) to reciprocate, and recess handle convenient operator's manual operation business turn over is installed in telescopic bench (4) outside.
5. The quick clamping and measuring device for the IGBT of the motor train unit converter according to claim 1 is characterized in that: linear sliding blocks are arranged at four corners of the lifting platform (1), the linear sliding blocks are coupled with cylindrical guide rails of the telescopic platform (4) to move up and down, and notches are arranged below the linear sliding blocks to enable the tail ends of push rods of the pneumatic push rods (6) of the platform to be clamped in a retracted state.
6. The quick clamping and measuring device for the IGBT of the motor train unit converter according to claim 1 is characterized in that: the heating plate (2) is arranged above the lifting table (1), the clamp (3) is arranged below the heating plate (2), the heating plate, the clamp and the heating plate are fixed through bolts, and a cylindrical clamping tenon is arranged above the clamp (3) to enable a tested piece to be fast clamped and fixed.
7. The quick clamping and measuring device for the IGBT of the motor train unit converter according to claim 1 is characterized in that: the laser monitoring device (8) is fixed on two sides of the front part of the box body, the shielding door (7) is positioned in the clamping groove on the front surface of the box body and can move up and down, the two are linked with each other, when the test is not started and the high voltage is not established, when foreign matters exist in the detection range of the laser monitoring device (8), the shielding door (7) is kept open, and otherwise, the shielding door is kept closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321882627.5U CN220691046U (en) | 2023-07-18 | 2023-07-18 | Quick clamping measuring device for IGBT of current transformer of motor train unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321882627.5U CN220691046U (en) | 2023-07-18 | 2023-07-18 | Quick clamping measuring device for IGBT of current transformer of motor train unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220691046U true CN220691046U (en) | 2024-03-29 |
Family
ID=90373248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321882627.5U Active CN220691046U (en) | 2023-07-18 | 2023-07-18 | Quick clamping measuring device for IGBT of current transformer of motor train unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220691046U (en) |
-
2023
- 2023-07-18 CN CN202321882627.5U patent/CN220691046U/en active Active
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