CN213148988U - IGBT detects crimping frock - Google Patents
IGBT detects crimping frock Download PDFInfo
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- CN213148988U CN213148988U CN202020715511.2U CN202020715511U CN213148988U CN 213148988 U CN213148988 U CN 213148988U CN 202020715511 U CN202020715511 U CN 202020715511U CN 213148988 U CN213148988 U CN 213148988U
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- pressing plate
- igbt
- crimping
- compression joint
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Abstract
The utility model provides an IGBT detection crimping tool, which comprises a tool rack, wherein the working rack is provided with an upper pressing plate and a lower pressing plate; the upper pressing plate and the lower pressing plate are connected through guide pillars at two ends, the lower pressing plate is fixed on a welding framework through nuts, an insulating pad foot is padded under the welding framework, the pressure lifter is arranged on the lower pressing plate, and a pressure sensor is arranged above the pressure lifter; one end of the pressure lifter is connected with a speed reducer through a coupling, and the speed reducer is connected with the servo motor; a plurality of compression joint layers are arranged between the upper pressing plate and the lower pressing plate; the third crimping layer is connected with the pressure sensor, and the first crimping layer is fixed below the upper pressure plate through the disc spring and the fastening device. The utility model discloses need not the pressure testing in advance, need not to preheat, the crimping of holding steady pressure value, the transmission part does not have hydraulic oil, solves the leakage problem.
Description
Technical Field
The utility model relates to a crimping frock field, more specifically relates to an IGBT detects crimping frock.
Background
In the prior art, a pressure transmission part of a crimping type IGBT detection tool is composed of a hydraulic station, an oil way and an oil cylinder and provides pressure transmission for the tool; however, there are some problems, for example, the crimping tool has a large influence on receiving the external environment, the starting oil temperature is low, the tool needs to apply pressure for 30 minutes before the oil temperature can be stabilized, and the pressure can reach the set value. The oil way is kept in a high-pressure state in the working process, the requirements on the sealing and pressure resistance of the oil way are high, and oil leakage and pressure loss faults often occur; the capacitor and the device are connected through a common busbar, the stray inductance value of the direct current side loop is large, and the detection of the IGBT module is influenced to a certain degree.
Disclosure of Invention
The utility model discloses start low, the frock of oil temperature and need exert pressure in advance to prior art, work preheating time is longer, the great problem of stray inductance value in direct current side return circuit provides an IGBT detects crimping frock.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an IGBT detection crimping tool comprises a tool rack, wherein an upper pressing plate and a lower pressing plate are arranged on the working rack;
the upper pressing plate and the lower pressing plate are connected through guide pillars at two ends, the lower pressing plate is fixed on a welding framework through nuts, an insulating pad foot is padded under the welding framework, the pressure lifter is arranged on the lower pressing plate, and a pressure sensor is arranged above the pressure lifter; one end of the pressure lifter is connected with a speed reducer through a coupling, and the speed reducer is connected with the servo motor; a plurality of compression joint layers are arranged between the upper pressing plate and the lower pressing plate; the third crimping layer is connected with the pressure sensor, and the first crimping layer is fixed below the upper pressure plate through the disc spring and the fastening device.
Furthermore, the compression joint layer is provided with three layers, and the first compression joint layer comprises an insulating cushion block and a water-cooling radiator; the second compression joint layer comprises an IBT and a water-cooling radiator; the third crimping layer comprises an IGBT, a water-cooling radiator and an insulating cushion block.
Furthermore, an insulating cushion block is arranged in the first compression joint layer and above the water-cooled radiator, an IGBT is arranged in the second compression joint layer and above the water-cooled radiator, the insulating cushion block is arranged below the third compression joint layer, the water-cooled radiator is arranged in the middle of the third compression joint layer, and the IGBT is arranged above the third compression joint layer.
Furthermore, the water-cooled radiators in each of the three compression joint layers are connected with the water pipes through cooling soft water pipes.
Further, first crimping layer is connected with the low-inductance busbar through the flexible coupling copper bar, and second crimping layer is connected with applying through the flexible coupling copper bar, and the third crimping layer is connected with the electric capacity through the flexible coupling copper bar.
Further, the upper and lower press plates were 60 mm thick 45# steel plates.
Further, the maximum power of the servo motor is 2.2KW, and the transmitted pressure can be controlled.
Further, the maximum pressure detectable by the pressure sensor is 20T.
Furthermore, the servo motor is externally connected with a power supply and a PLC, and is driven by PLC instruction control.
The utility model has the advantages that: the holding pressure value is stable, and the frock need not to preheat in advance, and the transmission part need not hydraulic oil, solves the problem of leaking and stray inductance value too high.
Drawings
FIG. 1 is a side view of a crimping tool in a pressure relief state;
fig. 2 is a side view of the crimping tool in a pressed state.
Wherein: 1, insulating cushion blocks; 2, water-cooling the radiator; 3 IGBT; 4 a pressure sensor; 5, a pressure lifter; 6, pressing the plate; 7, welding a framework; 8, insulating pad feet; 9 a coupling; 10, a speed reducer; 11 a servo motor; 12 a water pipe; 13 capacitance; 14 cooling the flexible water pipe; 15 load; 16 flexible connection copper bars; 17 a nut; 18, an upper pressure plate; 19 ball stud.
Detailed Description
The present invention will be further described with reference to the following embodiments.
Examples
An IGBT detection crimping tool comprises a tool rack, wherein an upper pressing plate and a lower pressing plate are arranged on the working rack; the two ends of the 18 upper pressing plate and the 6 lower pressing plate are connected through guide pillars, the 6 lower pressing plate is fixed on a 7 welding framework through 17 nuts, 8 insulating pad feet are padded below the 7 welding framework, the 5 pressure lifter is arranged on the 6 lower pressing plate, and the top of the 5 pressure lifter is provided with 4 pressure sensors; 5, one end of the pressure lifter is connected with a 10 speed reducer through a 9-shaft coupler, and the 10 speed reducer is connected with an 11 servo motor; three compression joint layers are arranged between the 18 upper pressing plates and the 6 lower pressing plates; the third compression joint layer is connected with the 4 pressure sensors, and the first compression joint layer is fixed below the 18 upper pressing plate through a disc spring and a 19-ball stud.
The first compression joint layer comprises an insulating cushion block 1 and a water-cooling radiator 2; the second compression joint layer comprises 3IGBT and 2 water-cooled radiators; the third crimping layer comprises 3 IGBTs, 2 water-cooled radiators and 1 insulating cushion blocks. The first crimping layer is provided with 1 insulating cushion block above 2 water-cooled radiators, the second crimping layer is provided with 3 IGBTs above 2 water-cooled radiators, the third crimping layer is provided with 1 insulating cushion block below, the middle part is provided with 2 water-cooled radiators, and the upper part is provided with 3 IGBTs. The 2 water-cooled radiators in each of the three compression joint layers are connected with the 12 water pipe through the 14 cooling soft water pipe. The first crimping layer is connected with the low-inductance busbar through 16 flexible connection copper bars, the second crimping layer is connected with the low-inductance busbar through 16 flexible connection copper bars in a laying mode, and the third crimping layer is connected with the 13 capacitors through 16 flexible connection copper bars. The 18 upper and 6 lower press plates were 60 mm thick 45# steel plates. The maximum power of 11 servo motors is 2.2KW, and the transmitted pressure can be controlled. The maximum pressure detectable by the 4-pressure sensor is 20T. And 11, the servo motor is externally connected with a power supply and a PLC (programmable logic controller), and is driven by the PLC instruction control.
When the tool starts, the PLC starts to receive pressure setting and control commands of the upper computer, simultaneously feeds the current state back to the upper computer, sends out commands to drive the 11 servo motors, the 11 servo motors start to rotate according to the commands and drive the 5 pressure lifting machines to start to move upwards through the 9 couplers, the three layers of crimping layers slide upwards through the guide posts until the crimping tool is tightly matched, and the pressure applying state of the crimping tool shown in the figure 2 is achieved; 3, the IGBT starts to be in compression joint, the 4 pressure sensors transmit signals to the upper computer in real time, the upper computer sends out an adjusting instruction according to the received feedback signals, and the PLC controls the pressure value to achieve pressure closed-loop control. When the signal transmitted by the pressure sensor 4 keeps a certain value, the crimping process is finished, the upper computer sends a pressure relief instruction through the PLC, the rotating speed of the servo motor 11 is reduced through the speed reducer 10, the pressure lifter 5 starts to move downwards, and the second crimping layer and the third crimping layer slide downwards along the guide post to reach a pressure relief state, as shown in figure 1.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model.
Claims (9)
1. The utility model provides a IGBT detects crimping frock, includes the frock rack, its characterized in that: the working bench is provided with an upper pressure plate and a lower pressure plate; the upper pressing plate and the lower pressing plate are connected through guide pillars at two ends, the lower pressing plate is fixed on a welding framework through nuts, an insulating pad foot is padded under the welding framework, the pressure lifter is arranged on the lower pressing plate, and a pressure sensor is arranged above the pressure lifter; one end of the pressure lifter is connected with a speed reducer through a coupling, and the speed reducer is connected with the servo motor; a plurality of compression joint layers are arranged between the upper pressing plate and the lower pressing plate; the third crimping layer is connected with the pressure sensor, and the first crimping layer is fixed below the upper pressure plate through the disc spring and the fastening device.
2. The crimping tool for IGBT detection according to claim 1, wherein: the first compression joint layer comprises an insulating cushion block and a water-cooling radiator; the second compression joint layer comprises an IBT and a water-cooling radiator; the third crimping layer comprises an IGBT, a water-cooling radiator and an insulating cushion block.
3. The crimping tool is used for detecting the IGBT according to claim 2, and is characterized in that: the first compression joint layer is provided with an insulating cushion block above the water-cooling radiator, the second compression joint layer is provided with an IGBT above the water-cooling radiator, the third compression joint layer is provided with an insulating cushion block below, the middle part is provided with the water-cooling radiator, and the upper part is provided with the IGBT.
4. The crimping tool is used for detecting the IGBT according to claim 2, and is characterized in that: and the water-cooled radiators in each of the three compression joint layers are connected with the water pipe through cooling soft water pipes.
5. The crimping tool for IGBT detection according to claim 1, wherein: the first compression joint layer is connected with the low-inductance busbar through the flexible connection copper bar, the second compression joint layer is connected with a load through the flexible connection copper bar, and the third compression joint layer is connected with the capacitor through the flexible connection copper bar.
6. The crimping tool for IGBT detection according to claim 1, wherein: the upper and lower press plates were 60 mm thick 45# steel plates.
7. The crimping tool for IGBT detection according to claim 1, wherein: the maximum power of the servo motor is 2.2KW, and the transmitted pressure can be controlled.
8. The crimping tool for IGBT detection according to claim 1, wherein: the maximum pressure detectable by the pressure sensor is 20T.
9. The crimping tool for IGBT detection according to claim 1, wherein: the servo motor is externally connected with a power supply and a PLC and is driven by PLC instruction control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020715511.2U CN213148988U (en) | 2020-04-30 | 2020-04-30 | IGBT detects crimping frock |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020715511.2U CN213148988U (en) | 2020-04-30 | 2020-04-30 | IGBT detects crimping frock |
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| Publication Number | Publication Date |
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| CN213148988U true CN213148988U (en) | 2021-05-07 |
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| CN202020715511.2U Active CN213148988U (en) | 2020-04-30 | 2020-04-30 | IGBT detects crimping frock |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113701809A (en) * | 2021-08-20 | 2021-11-26 | 株洲华梁电气有限公司 | IGCT crimping test device |
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2020
- 2020-04-30 CN CN202020715511.2U patent/CN213148988U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113701809A (en) * | 2021-08-20 | 2021-11-26 | 株洲华梁电气有限公司 | IGCT crimping test device |
| CN113701809B (en) * | 2021-08-20 | 2024-04-09 | 株洲华梁电气有限公司 | IGCT crimping test device |
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