CN117590034A - JKB-21A pressure-resistant test fixture - Google Patents
JKB-21A pressure-resistant test fixture Download PDFInfo
- Publication number
- CN117590034A CN117590034A CN202311467748.8A CN202311467748A CN117590034A CN 117590034 A CN117590034 A CN 117590034A CN 202311467748 A CN202311467748 A CN 202311467748A CN 117590034 A CN117590034 A CN 117590034A
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- Prior art keywords
- screw
- coil
- switch
- fixed
- bottom plate
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- 238000012360 testing method Methods 0.000 title claims abstract description 71
- 229910052802 copper Inorganic materials 0.000 claims abstract description 9
- 239000010949 copper Substances 0.000 claims abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000007935 neutral effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000005284 excitation Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The JKB-21A pressure-resistant test fixture comprises a socket, a pin, a screw D, a pin and a bolt, wherein the socket is fixed on the left side of a bottom plate through the screw D; the guide plate is fixed at the middle part of the bottom plate through a screw B, and an insulating gasket is glued on the guide plate; the clamping fixture seat and the push-pull quick clamp assembly are fixed on the right side of the bottom plate through a screw A and a screw M4 nut, and a copper cap is screwed in a threaded hole in the head of the push-pull quick clamp assembly through threads; a switch bracket is fixed on the bottom plate through a screw C, the switch bracket and a switch assembly are locked and fixed through a self-threaded nut, and the type of the switch assembly is KN1-203. The invention can pressurize the corresponding contact, the outer cover and the coil through switch conversion, and can electrify and heat the coil for a long time. Meanwhile, the voltage withstand test can be carried out on other contacts except the coil and the outer cover of the product under the excitation state. And in the voltage withstand test process, virtual contact cannot occur, so that the accuracy of the voltage withstand test is ensured. 20 products can be tested at one time, so that the production efficiency is improved to a great extent, and the labor burden of workers is reduced.
Description
Technical Field
The invention relates to a JKB-21A pressure-resistant test fixture, and belongs to the technical field of testing.
Background
The JKB-21A relay needs to carry out withstand voltage test on products after assembly, requires all the inter-contact, all the contact pair coils, all the contact pair outer covers and the coil pair outer covers to carry out withstand voltage test, and simultaneously requires all the inter-contact and all the contact pair outer covers to carry out withstand voltage test under the state of electrifying the coils. The pressurizing time is required to be 5 seconds to 1 minute, a worker is difficult to keep a motion for a long time, and the pressure-resistant test pen is easy to be in virtual contact with the part to be tested, so that the actual pressure-resistant pressurizing time is shortened, only one product can be tested at a time, and the production efficiency is low. In addition, it is very inconvenient for a worker to operate the product coil in a voltage withstand test in an energized state.
Disclosure of Invention
The invention aims to solve the problems that the corresponding contact, the outer cover and the coil can be pressurized through switch conversion, and the coil can be electrified for a long time to heat up; meanwhile, the voltage withstand test can be carried out on other contacts except the coil and the outer cover of the product in an excitation state; in addition, virtual contact cannot occur in the withstand voltage test process, so that the accuracy of the withstand voltage test is ensured; 20 products can be tested at one time, so that the production efficiency is improved to a great extent, and the technical problem of labor burden of workers is solved.
In order to solve the technical problems, the invention adopts the following technical scheme:
the JKB-21A pressure-resistant test fixture comprises a socket, a switch bracket, an insulating gasket, a guide plate, a bottom plate, a copper cap, a push-pull quick clamp assembly, a screw A, a clamping fixture seat, an M4 nut, a screw B, a switch assembly, a screw C, a contact pin and a screw D; the socket is fixed on the left side of the bottom plate through a screw D, and a contact pin is fixedly matched and fixed on the socket; the guide plate is fixed at the middle part of the bottom plate through a screw B, and an insulating gasket is glued on the guide plate; the clamping fixture seat and the push-pull quick clamp assembly are fixed on the right side of the bottom plate through a screw A and a screw M4 nut, and a copper cap is screwed in a threaded hole in the head of the push-pull quick clamp assembly through threads; a switch bracket is fixed on the bottom plate through a screw C, the switch bracket and a switch assembly are locked and fixed through a self-threaded nut, and the type of the switch assembly is KN1-203;
the circuit of the JKB-21A withstand voltage test fixture comprises input voltages of 0-32V, input voltages of 0-1500V, K1, K2, K3 and K4 and socket 1 to 20;
the input voltage is 0-32V, which is a direct current power supply and supplies power to the coil;
the input voltage is 0-1500V, which is an input terminal of the withstand voltage test board, and a corresponding voltage difference is input to a contact point which needs withstand voltage test;
the K1 is used for switching between coil power supply and short circuit, and the coil is required to be protected in the voltage withstand test process under the condition that the coil does not need to be electrified, so that the K1 is dialed to NO 1 With SNO 1 The coil A, B end is short-circuited in gear; when the coil needs to be electrified, K1 is dialed to NC 1 With SNC 1 The coil is electrified by the gear;
the K2, K3 or K4 is a switch component for switching among the voltage-resistant contacts, the outer cover and the coils, the switch component has three-gear two-way switching, is upright to be a neutral gear, is not conducted with two ends, and also has two gears of NO\SNO and NC\SNC;
the socket is characterized in that the 1-20-bit plug is a socket, wherein the 1-bit plug is a normally closed contact corresponding to a product, the 2-bit plug is a movable contact corresponding to the product, the 3-bit plug is a normally open contact corresponding to the product, the A, B pins are respectively corresponding to the positive and negative stages of the coil, the outer cover plug is an outer cover corresponding to the product, and the outer cover plug is a copper cap on the push-pull quick clamp assembly.
The beneficial effects of adopting above-mentioned technical scheme are:
the invention can pressurize the corresponding contact, the outer cover and the coil through switching, is convenient and quick to operate, and can electrify and heat the coil for a long time. Meanwhile, the voltage withstand test can be carried out on other contacts except the coil and the outer cover of the product under the excitation state. And in the voltage withstand test process, virtual contact cannot occur, so that the accuracy of the voltage withstand test is ensured. 20 products can be tested at one time, so that the production efficiency is improved to a great extent, and the labor burden of workers is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the JKB-21A pressure-resistant test fixture.
Fig. 2 is a top view of fig. 1.
FIG. 3 is a circuit diagram of the JKB-21A pressure-resistant test fixture of the present invention.
In the figure: 1-socket, 2-switch support, 3-insulating spacer, 4-deflector, 5-bottom plate, 6-copper cap, 7-push-pull quick clamp assembly, 8-screw A, 9-clamp holder, 10-nut M4, 11-screw B, 12-switch assembly, 13-screw C, 14-contact pin, 15-screw D.
Detailed Description
For the purpose of promoting an understanding of the principles of the invention, reference will now be made in detail to the embodiments described herein, including examples, illustrated in the accompanying drawings.
The JKB-21A pressure-resistant test jig, as shown in fig. 1 and 2, is assembled based on the base plate 5. The socket 1 is fixed on the bottom plate 5 by a screw D15, the contact pin 14 is fixedly matched with the socket on the socket 1, the contact pin 14 is Hua Rong probe PA156-G which is a commercial standard component, the socket is divided into a pin sleeve and a contact pin, and a spring is arranged in the contact pin and can be stretched; the guide plate 4 is fixed to the bottom plate 5 by a screw B11, and the insulating spacer 3 is glued to the guide plate 4. The clamping fixture seat 9 and the push-pull quick clamp assembly 7 are fixed on the bottom plate 5 through the screw A8 and the M4 nut 10, the hole for fixing the clamping fixture seat 9 on the bottom plate 5 is a strip-shaped hole, the position of the push-pull quick clamp assembly 7 can be adjusted forwards and backwards, and the push-pull quick clamp assembly 7 is a commercial standard part and is a quick clamping device. The copper cap 6 is screwed into the threaded hole of the head of the push-pull quick clamp assembly 7. The switch bracket 2 is fixed on the bottom plate 5 through a screw, and the switch component 12 is locked on the switch bracket 2 through a self-threaded nut; the switch assembly 12 is model number KN1-203.
The circuit wiring principle of the JKB-21A withstand voltage test clamp after the mechanical part of the clamp is installed is shown in fig. 3, wherein:
1. the input voltage of 0-32V is a direct current power supply and supplies power to the coil.
2. The input voltage is 0-1500V, which is the input terminal of the withstand voltage test bench, and the corresponding voltage difference is input to the contact point which needs to be subjected to withstand voltage test.
3. K1 is the power supply and short circuit conversion of the coil, and the coil is required to be protected in the voltage withstand test process under the condition that the coil does not need to be electrified, soDialing K1 to NO 1 With SNO 1 The shift position shorts the coil A, B end. When the coil needs to be electrified, K1 is dialed to NC 1 With SNC 1 The gear energizes the coil.
4. K2, K3 and K4 are voltage-resistant contacts, a housing and a transfer switch between coils. The switch model is KN1-203, the switch has three-gear two-way conversion, is upright to be a neutral gear, is not conducted with two ends, and has two gears of NO\SNO and NC\SNC.
5. The number 1-20 is a socket, wherein the number 1 plug corresponds to a normally closed contact of a product, the number 2 plug corresponds to a movable contact of the product, the number 3 plug corresponds to a normally open contact of the product, the A, B plug corresponds to positive and negative stages of a coil respectively, and the outer cover plug corresponds to an outer cover of the product.
The wiring may be completed as shown in fig. 3. Since the movable terminal 2 is connected to the normally-closed contact 1 in the coil non-energized state and to the normally-open contact 3 in the coil energized state, no separate wiring is required for the movable terminal 2.
The specific working process of the JKB-21A pressure-resistant test fixture provided by the invention is as follows:
when testing products, firstly, the products to be tested are aligned to the positions of the contact pins and are placed in the guide seats, and the clamping handles of the push-pull quick clamping assemblies are pushed forward to push and clamp the products, so that the binding posts of the products are tightly attached to the contact pins.
First), a withstand voltage test is performed in a state where the coil is not energized.
1. Switch K1 dials NO 1 \SNO 1 And gear, namely shorting the anode and the cathode of the coil.
2. The terminal of 0-1500V of input voltage is connected with the withstand voltage test bench by a lead, and the required voltage is input.
3. 3 and 1\2 withstand voltage test: switch K2 dials NO 2 \SNO 2 And the normally open contact 3, the normally closed contact 1 and the movable contact 2 are subjected to withstand voltage test. After the test is completed, the switch is pulled back to the middle empty position.
4. 3, testing the withstand voltage of the coil: switch K2 dials to NC 2 \SNC 2 And the normally open contact 3 and the coil are subjected to withstand voltage test. After the test is completed, the switch is pulled back to the middle empty position.
5. 3 pressure test with housing: switch K3 dials NO 3 \SNO 3 And the normally open contact 3 and the outer cover are subjected to withstand voltage test. After the test is completed, the switch is pulled back to the middle empty position.
6. 1\2 and coil withstand voltage test: switch K3 dials to NC 3 \SNC 3 And the normally closed contact 1, the movable contact 2 and the coil are subjected to withstand voltage test. After the test is completed, the switch is pulled back to the middle empty position.
7. 1\2 and housing withstand voltage test: switch K4 dials NO 4 \SNO 4 And the normally closed contact 1, the movable contact 2 and the outer cover are subjected to pressure resistance test. After the test is completed, the switch is pulled back to the middle empty position.
8. Coil and housing withstand voltage test: switch K4 dials to NC 4 \SNC 4 And the voltage withstand test of the coil and the outer cover is completed. After the test is completed, the switch is pulled back to the middle empty position.
Second), the voltage withstand test is performed in a state where the coil is energized.
1. The terminal of 0-32V of input voltage is connected with DC power supply by wire, and the required voltage is input. Switch K1 dials to NC 1 \SNC 1 And a gear, energizing the product coil, switching on the movable contact 2 and the normally open contact 3 at the moment, and energizing for 30 minutes before the next step.
2. The terminal of 0-1500V of input voltage is connected with the withstand voltage test bench by a lead, and the required voltage is input.
3. 1 and 3\2 withstand voltage test: switch K2 dials NO 2 \SNO 2 And the normally closed contact 1, the normally open contact 3 and the movable contact 2 are subjected to withstand voltage test. After the test is completed, the switch is pulled back to the middle empty position.
4. 3\2 and housing withstand voltage test: switch K3 dials NO 3 \SNO 3 And the normally open contact 3, the movable contact 2 and the outer cover are subjected to pressure resistance test. After the test is completed, the switch is pulled back to the middle empty position.
5. 1 and housing withstand voltage test: switch K4 dials NO 4 \SNO 4 And the normally closed contact 1 and the outer cover are subjected to pressure resistance test. After the test is completed, the switch is pulled back to the middleAnd (5) setting a null bit.
And after the pressure-resistant test is finished, the clamping handle of the push-pull quick clamping assembly is pulled backwards, the product is taken out, and the product test is finished.
Claims (1)
- The JKB-21A pressure-resistant test fixture comprises a socket (1), a switch bracket (2), an insulating gasket (3), a guide plate (4), a bottom plate (5), a copper cap (6), a push-pull quick clamp assembly (7), a screw A (8), a clamping fixture seat (9), an M4 nut (10), a screw B (11), a switch assembly (12), a screw C (13), a contact pin (14) and a screw D (15); the socket (1) is fixed on the left side of the bottom plate (5) through a screw D (15), and a contact pin (14) is fixedly matched and fixed on the socket (1); the guide plate (4) is fixed in the middle of the bottom plate (5) through a screw B (11), and an insulating gasket (3) is glued on the guide plate (4); the clamping fixture seat (9) and the push-pull quick clamp assembly (7) are fixed on the right side of the bottom plate (5) through a screw A (8) and an M4 nut (10), and a copper cap (6) is screwed in a threaded hole in the head part of the push-pull quick clamp assembly (7) through threads; a switch bracket (2) is fixed on the bottom plate (5) through a screw C (13), the switch bracket (2) and a switch assembly (12) are locked and fixed through a self-threaded nut, and the model of the switch assembly (12) is KN1-203;the circuit of the JKB-21A withstand voltage test fixture comprises input voltages of 0-32V, input voltages of 0-1500V, K1, K2, K3, K4 and 1 to 20 bits;the input voltage is 0-32V, which is a direct current power supply and supplies power to the coil;the input voltage is 0-1500V, which is an input terminal of the withstand voltage test board, and a corresponding voltage difference is input to a contact point which needs withstand voltage test;the K1 is used for switching between coil power supply and short circuit, and the coil is required to be protected in the voltage withstand test process under the condition that the coil does not need to be electrified, so that the K1 is dialed to NO 1 With SNO 1 The coil A, B end is short-circuited in gear; when the coil needs to be electrified, K1 is dialed to NC 1 With SNC 1 The coil is electrified by the gear;the K2, K3 or K4 is a voltage-resistant contact, a switch component (12) for switching between the outer cover and the coils, the switch component (12) has three-gear two-way switching, is upright to be a neutral gear, is not conducted with two ends, and has NOSNO and NCSNC two gears;the socket is characterized in that the 1-20-bit socket is a socket (1), wherein the 1-bit plug is a normally closed contact of a corresponding product, the 2-bit plug is a movable contact of the corresponding product, the 3-bit plug is a normally open contact of the corresponding product, the A, B pins are respectively corresponding to the positive and negative stages of the coil, the outer cover plug is an outer cover of the corresponding product, and the outer cover pins are copper caps on the push-pull quick clamp assembly (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311467748.8A CN117590034A (en) | 2023-11-07 | 2023-11-07 | JKB-21A pressure-resistant test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311467748.8A CN117590034A (en) | 2023-11-07 | 2023-11-07 | JKB-21A pressure-resistant test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117590034A true CN117590034A (en) | 2024-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311467748.8A Pending CN117590034A (en) | 2023-11-07 | 2023-11-07 | JKB-21A pressure-resistant test fixture |
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| Country | Link |
|---|---|
| CN (1) | CN117590034A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118011201A (en) * | 2024-04-10 | 2024-05-10 | 山东泰开电力开关有限公司 | Industrial frequency withstand voltage detection device |
-
2023
- 2023-11-07 CN CN202311467748.8A patent/CN117590034A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118011201A (en) * | 2024-04-10 | 2024-05-10 | 山东泰开电力开关有限公司 | Industrial frequency withstand voltage detection device |
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