CN113701809B - IGCT crimping test device - Google Patents
IGCT crimping test device Download PDFInfo
- Publication number
- CN113701809B CN113701809B CN202110963675.6A CN202110963675A CN113701809B CN 113701809 B CN113701809 B CN 113701809B CN 202110963675 A CN202110963675 A CN 202110963675A CN 113701809 B CN113701809 B CN 113701809B
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- China
- Prior art keywords
- igct
- crimping
- dcu
- tooling
- tool
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- 238000012360 testing method Methods 0.000 title claims abstract description 46
- 238000002788 crimping Methods 0.000 title claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 238000007689 inspection Methods 0.000 claims abstract description 16
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 7
- 238000003825 pressing Methods 0.000 claims description 15
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 238000005070 sampling Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/16—Plc to applications
- G05B2219/163—Domotique, domestic, home control, automation, smart, intelligent house
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses an IGCT crimping test device, which comprises a tool table and an operation table, wherein the tool table is in bidirectional connection with a DCU and a water cooling system and is in unidirectional connection with an acquisition board card and a temperature inspection instrument, and an adjustable direct-current power supply and a wiring cabinet are sequentially connected to the tool table; the DCU, the adjustable direct current power supply, the acquisition board card and the temperature inspection instrument are respectively connected with the operation console in a bidirectional manner, and the water cooling system is connected with the operation console in a unidirectional manner; the tooling bench is provided with an IGCT crimping test fixture, the IGCT crimping test fixture comprises a tooling bench, a plurality of crimping parts are arranged on the tooling bench and distributed in a layered manner on the tooling bench, the tooling bench is provided with a guide rail, and the crimping parts can move up and down along the guide rail. The utility model can monitor and adjust the pressure and temperature on the test tool, and avoid damaging devices.
Description
Technical Field
The utility model relates to the technical field of IGCT crimping tools, in particular to an IGCT crimping test device.
Background
The IGCT crimping test fixture system in the prior art has certain functions, such as crimping of IGCT components, scanning of the IGCT components, cooling of the system after crimping is finished, and the like. The Chinese patent publication No. CN211577330U discloses an IGCT device blocking characteristic parameter testing device, which comprises a testing clamp for clamping a tested IGCT device and an IGCT device blocking characteristic parameter testing unit. According to the technical scheme, the test unit is matched with the constant-temperature and constant-pressure clamp to test relevant static parameters of the IGCT device, but the test device has some defects: the crimping of the IGCT components and parts can not crimp the IGCT components and parts with different sizes, and in the crimping process, the pressure applied to the components and parts possibly has floating change, so that the crimped components and parts can not meet the standard requirements, the reject ratio of the components and parts is increased, meanwhile, the temperature change during the crimping of the components and parts can not be detected in time, and the components and parts can be damaged when the temperature is too high.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides an IGCT crimping test device which can monitor and adjust the pressure and the temperature on a test tool and avoid damaging devices.
The aim of the utility model is achieved by the following technical scheme:
the IGCT crimping test device comprises a tool table and an operation table, wherein the tool table is in bidirectional connection with a DCU and a water cooling system, is in unidirectional connection with an acquisition board card and a temperature inspection instrument, and is sequentially connected with an adjustable direct current power supply and a wiring cabinet; the DCU, the adjustable direct current power supply, the acquisition board card and the temperature inspection instrument are respectively connected with the operation console in a bidirectional manner, and the water cooling system is connected with the operation console in a unidirectional manner; the tooling bench is provided with an IGCT crimping test fixture, the IGCT crimping test fixture comprises a tooling bench, a plurality of crimping parts are arranged on the tooling bench and distributed in a layered manner on the tooling bench, the tooling bench is provided with a guide rail, and the crimping parts can move up and down along the guide rail.
Further, the tooling table and the operation table transmit data through the DCU.
Further, the data in the DCU is bi-directional transfer.
Further, a sampling resistor is arranged in the acquisition board card, and the sampling resistor acquires data of related resistors in the IGCT crimping test tool system.
Further, a K-type thermocouple is arranged in the temperature inspection instrument, and the K-type thermocouple transmits a temperature signal to the operation console through the temperature inspection instrument.
Further, a flowmeter is arranged in the water cooling system to monitor water flow in real time.
Further, the number of crimping portions on the tooling bench is 4.
Further, the tooling rack is provided with an upper pressing plate and a lower pressing plate, the plurality of pressing parts are arranged between the upper pressing plate and the lower pressing plate, the lower pressing plate is fixed on the welding framework, a pressure lifting machine is arranged on the lower pressing plate, a pressure sensor is arranged on the pressure lifting machine, one end of the pressure lifting machine is connected with a speed reducer through a coupling, and the speed reducer is connected with a servo motor.
Further, the servo motor may control the pressure transmitted.
Further, the servo motor is externally connected with a power supply and a PLC, and is controlled and driven by a PLC instruction.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model can crimp IGCT devices with different sizes, can measure the temperature of the designated point of the IGCT crimping test fixture, and display the pressure and the temperature in real time, thereby avoiding damaging the devices due to overlarge pressure and overhigh temperature; the pressure loading and unloading speed can be adjusted at any time, and the pressure for testing is increased or decreased according to devices with different sizes.
Drawings
FIG. 1 is a schematic diagram of the composition of an IGCT crimping test apparatus;
FIG. 2 is a front view of an IGCT crimping test fixture;
the device comprises a servo motor 1, a speed reducer 2, a coupling 3, a pressure lifter 4, a pressure sensor 5, an upper pressing plate 6, a lower pressing plate 7, a water cooling system 8 and a flexible connection copper bar 9.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the utility model; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship described in the drawings are for illustrative purposes only and are not to be construed as limiting the utility model.
Example 1
As shown in fig. 1-2, this embodiment provides an IGCT crimping test device, including tool table and operation panel, the tool table is connected with DCU and water cooling system 8 both way, with gathering the board card, temperature inspection appearance one way connection, has connected gradually adjustable direct current power supply and terminal block on the tool table. The DCU, the adjustable direct current power supply, the acquisition board card and the temperature inspection instrument are respectively connected with the operation console in a bidirectional manner, and the water cooling system 8 is connected with the operation console in a unidirectional manner. A water cooling system 8 is arranged between the tool table and the operation table, the water cooling system 8 in the embodiment is a water cooling radiator, and the water cooling radiator is connected with the tool table through a flexible connection copper bar 9. The tool table and the operation table transmit data through the DCU. The bi-directional transfer of data can be accomplished in the DCU. The sampling resistor is arranged in the acquisition board card, and data of relevant resistors in the IGCT scanning test tool system are acquired through the sampling resistor. The temperature inspection instrument is internally provided with a K-type thermocouple, and the K-type thermocouple transmits a temperature signal to the operation desk through the temperature inspection instrument.
In this embodiment, be equipped with top board 6 and holding down plate 7 on the frock bench, crimping part lamellar distribution is between top board 6 and holding down plate 7, and holding down plate 7 is fixed on welding skeleton, is equipped with pressure lift 4 on the holding down plate 7, is equipped with pressure sensor 5 on the pressure lift 4, but to pressure real-time detection and observe through the display at frock top. One end of a pressure lifting machine 4 is connected with a speed reducer through a coupling 3, the speed reducer is connected with a servo motor 1, and the servo motor 1 is adopted to provide rotary motion. The servo motor 1 is externally connected with a power supply and a PLC, and is controlled and driven by a PLC instruction to control the transmitted pressure. Be equipped with the guide rail on the frock rack, crimping part can reciprocate along the guide rail, and every layer reciprocates the distance and is 10mm. In the embodiment, the number of the upper press-connection parts of the tool rack is 4, the total lower moving distance is 40mm, so that the length of the flexible connection copper bar 9 between tools can be shortened to 280 mm, the stray inductance range value of the direct current side loop can be controlled within less than 200nH, and the problem of overhigh stray inductance value is solved.
The IGCT crimping test device provided in this embodiment has the following working procedures: starting an adjustable direct current power supply to supply power to other parts of the system, transmitting device information in the IGCT scanning test tool to a DCU through an electric signal by a tool table, completing conversion in the DCU, converting the electric signal into network data, and transmitting the network data to an operation table through an Ethernet; the operation desk obtains data and displays the data on the operation desk in real time; and then an operator makes an instruction according to the current data, the instruction is transmitted to the DCU through the Ethernet in a network data form, and the instruction is converted into an electric signal in the DCU and is sent to the tool table. The tool table obtains the electric signal, starts the press, and the press carries out the crimping to IGCT scanning test fixture, and the produced pressure of press all can be passed on the operation panel by the electric signal through DCU, shows in real time. The temperature inspection instrument transmits the surface temperature of the IGCT in the IGCT scanning and testing tool to the operation table for real-time display, so that the damage to devices due to overhigh temperature is avoided. When the pressure of the press reaches a certain value and remains unchanged, the crimping process is completed, and the operating platform sends out instructions, so that the water cooling system 8 cools the IGCT device and the press through the pipeline, and the pressure of the press is gradually reduced to an initial state.
It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. The IGCT crimping test device is characterized by comprising a tool table and an operation table, wherein the tool table is in bidirectional connection with a DCU and a water cooling system and is in unidirectional connection with an acquisition board card and a temperature inspection instrument, and an adjustable direct-current power supply and a wiring cabinet are sequentially connected to the tool table; the DCU, the adjustable direct current power supply, the acquisition board card and the temperature inspection instrument are respectively connected with the operation console in a bidirectional manner, and the water cooling system is connected with the operation console in a unidirectional manner; the tooling bench is provided with an IGCT crimping test tool, the IGCT crimping test tool comprises a tooling bench, a plurality of crimping parts are arranged on the tooling bench and distributed in a layered manner, the tooling bench is provided with a guide rail, and the crimping parts move up and down along the guide rail; the working process comprises the following steps:
starting an adjustable direct current power supply to supply power to other parts of the system, transmitting device information in the IGCT scanning test tool to a DCU through an electric signal by a tool table, completing conversion in the DCU, converting the electric signal into network data, and transmitting the network data to an operation table through an Ethernet; the operation desk obtains data and displays the data on the operation desk in real time; then, an operator makes an instruction according to the current data, the instruction is transmitted to the DCU through the Ethernet in a network data form, and the instruction is converted into an electric signal in the DCU and is sent to the tool table; the tooling table obtains an electric signal, a press is started, the press is used for crimping the IGCT scanning test tooling, and the pressure generated by the press is transmitted to the operation table through the DCU by the electric signal and displayed in real time; the temperature inspection instrument transmits the surface temperature of the IGCT in the IGCT scanning and testing tool to the operation table for real-time display, so that the damage to devices due to overhigh temperature is avoided; when the pressure of the press reaches a certain value and is kept unchanged, the crimping process is completed, and the operating platform sends out instructions, so that the water cooling system cools the IGCT device and the press through the pipeline, and the pressure of the press is gradually reduced to an initial state.
2. The IGCT crimp test apparatus of claim 1, wherein the tooling table and the operator station communicate data via a DCU.
3. The IGCT crimp test apparatus of claim 2, wherein the data in the DCU is bi-directional transfer.
4. The IGCT crimp test apparatus of claim 1, wherein a sampling resistor is provided in the acquisition board, the sampling resistor acquiring data of a relevant resistor in the IGCT crimp test tooling system.
5. The IGCT crimp test apparatus of claim 1, wherein a type K thermocouple is provided in the temperature inspection instrument, the type K thermocouple transmitting a temperature signal into the operation panel through the temperature inspection instrument.
6. The IGCT crimp test apparatus of claim 1, wherein a flow meter is provided in the water cooling system to monitor water flow in real time.
7. The IGCT crimp test apparatus of claim 1, wherein the number of crimp portions on the tooling bench is 4.
8. The IGCT crimping test device of claim 1, wherein the tooling bench is provided with an upper pressing plate and a lower pressing plate, the plurality of crimping parts are arranged between the upper pressing plate and the lower pressing plate, the lower pressing plate is fixed on the welding framework, a pressure lifter is arranged on the lower pressing plate, a pressure sensor is arranged on 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 a servo motor.
9. The IGCT crimp test apparatus of claim 8, wherein the servo motor controls the transmitted pressure.
10. The IGCT crimp test apparatus of claim 8, wherein the servo motor is externally connected to a power supply and a PLC, and is controlled and driven by a PLC command.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110963675.6A CN113701809B (en) | 2021-08-20 | 2021-08-20 | IGCT crimping test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110963675.6A CN113701809B (en) | 2021-08-20 | 2021-08-20 | IGCT crimping test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113701809A CN113701809A (en) | 2021-11-26 |
| CN113701809B true CN113701809B (en) | 2024-04-09 |
Family
ID=78653786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110963675.6A Active CN113701809B (en) | 2021-08-20 | 2021-08-20 | IGCT crimping test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113701809B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203941016U (en) * | 2014-06-04 | 2014-11-12 | 沈阳机床(集团)有限责任公司 | A kind of servo feed mechanism performance testing device |
| KR101540040B1 (en) * | 2014-01-24 | 2015-07-28 | 한국패션산업연구원 | Resistance testing device of textile sensor |
| CN105277321A (en) * | 2014-07-12 | 2016-01-27 | 盐城市锦东液压机械有限公司 | Comprehensive testboard for hydraulic quick joint |
| CN205691725U (en) * | 2016-06-08 | 2016-11-16 | 无锡同方微电子有限公司 | A kind of integral gate turn-off thyristor testboard |
| CN106410646A (en) * | 2016-11-07 | 2017-02-15 | 河钢股份有限公司邯郸分公司 | Fault rapid determining and processing operation method of AC-DC-AC high-voltage frequency converter |
| CN211577330U (en) * | 2019-12-10 | 2020-09-25 | 广东电网有限责任公司 | IGCT device blocking characteristic parameter testing unit and testing device thereof |
| CN112018995A (en) * | 2019-05-31 | 2020-12-01 | 湘潭大学 | Modularization water-cooling heat abstractor that converter was used |
| CN213148988U (en) * | 2020-04-30 | 2021-05-07 | 株洲市华梁机械制造有限责任公司 | IGBT detects crimping frock |
-
2021
- 2021-08-20 CN CN202110963675.6A patent/CN113701809B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101540040B1 (en) * | 2014-01-24 | 2015-07-28 | 한국패션산업연구원 | Resistance testing device of textile sensor |
| CN203941016U (en) * | 2014-06-04 | 2014-11-12 | 沈阳机床(集团)有限责任公司 | A kind of servo feed mechanism performance testing device |
| CN105277321A (en) * | 2014-07-12 | 2016-01-27 | 盐城市锦东液压机械有限公司 | Comprehensive testboard for hydraulic quick joint |
| CN205691725U (en) * | 2016-06-08 | 2016-11-16 | 无锡同方微电子有限公司 | A kind of integral gate turn-off thyristor testboard |
| CN106410646A (en) * | 2016-11-07 | 2017-02-15 | 河钢股份有限公司邯郸分公司 | Fault rapid determining and processing operation method of AC-DC-AC high-voltage frequency converter |
| CN112018995A (en) * | 2019-05-31 | 2020-12-01 | 湘潭大学 | Modularization water-cooling heat abstractor that converter was used |
| CN211577330U (en) * | 2019-12-10 | 2020-09-25 | 广东电网有限责任公司 | IGCT device blocking characteristic parameter testing unit and testing device thereof |
| CN213148988U (en) * | 2020-04-30 | 2021-05-07 | 株洲市华梁机械制造有限责任公司 | IGBT detects crimping frock |
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| Publication number | Publication date |
|---|---|
| CN113701809A (en) | 2021-11-26 |
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