Search

CN-224216750-U - Switching power supply insulation and withstand voltage testing device

CN224216750UCN 224216750 UCN224216750 UCN 224216750UCN-224216750-U

Abstract

The utility model relates to the technical field of switch power supply testing, in particular to a switch power supply insulation and withstand voltage testing device which comprises a base and contact pins, wherein four contact pins are arranged on the base in a sliding mode, the device further comprises a connecting frame, a first guide frame, an air cylinder, a clamping rod and a first elastic piece, the first guide frame is fixedly connected to the base, the air cylinder is arranged on the first guide frame, the clamping rod is arranged on a telescopic rod of the air cylinder, the connecting frame is fixedly connected to the four contact pins, the connecting frame slides on the first guide frame, the first elastic piece is sleeved on the connecting frame, and two ends of the first elastic piece are respectively connected with the first guide frame and the base. Through starting the cylinder, the telescopic link extension of cylinder drives the clamping lever and upwards moves, makes clamping lever and link break away from the contact, and first elastic component drives link and four contact pins of top backward movement thereupon, makes its contact pin and switching power supply break away from the contact to this cuts off the electric connection with switching power supply, avoids electric leakage to lead to test equipment and personnel to electrocute.

Inventors

  • Wan Chengbao
  • DONG HUOHONG
  • LIANG MINGQIANG
  • ZHOU FUZHONG

Assignees

  • 深圳市谦泽豪科技有限公司

Dates

Publication Date
20260508
Application Date
20250521

Claims (8)

  1. 1. The utility model provides a switching power supply insulation and withstand voltage testing arrangement, including base (1) and contact pin (2), sliding type is provided with four contact pins (2) on base (1), a serial communication port, still including link (3), first leading truck (4), cylinder (5), clamping lever (6) and first elastic component (7), fixedly connected with first leading truck (4) on base (1), install cylinder (5) on first leading truck (4), install clamping lever (6) on the telescopic link of cylinder (5), fixedly connected with link (3) on four contact pins (2), the cover has first elastic component (7) on link (3) on first leading truck (4), the both ends of first elastic component (7) are connected with first leading truck (4) and base (1) respectively, clamping lever (6) and link (3) contact.
  2. 2. The switching power supply insulation and withstand voltage testing device according to claim 1, further comprising a control button (8), a supporting block (9), a push rod (10), a support frame (11), a wedge-shaped clamping block (12), a limiting plate (13), a second guide frame (14) and a connecting rod (15), wherein the control button (8) is installed on the base (1), the supporting block (9) is fixedly connected on the base (1), the push rod (10) is arranged on the supporting block (9) in a sliding mode, a return spring (1001) is sleeved on the push rod (10), two ends of the return spring (1001) are respectively connected with the supporting block (9) and the push rod (10), a second guide frame (14) is fixedly connected on the base (1), the second guide frame (14) is located above the supporting block (9), the connecting rod (15) is fixedly connected on the clamping rod (6), the supporting block (11) is fixedly connected on the supporting block (9), the limiting plate (13) is rotatably arranged on the supporting frame (11), and the wedge-shaped clamping block (12) is arranged on the supporting frame (11).
  3. 3. The switching power supply insulation and voltage withstand test device according to claim 2, further comprising a third guide frame (16), clamping plates (17) and second elastic pieces (18), wherein the third guide frame (16) is fixedly connected to the base (1), two clamping plates (17) are arranged on the third guide frame (16) in a sliding mode, two second elastic pieces (18) are sleeved on the third guide frame (16), and two ends of each second elastic piece (18) are connected with the corresponding clamping plate (17) and the corresponding third guide frame (16).
  4. 4. A switching power supply insulation and withstand voltage testing device according to claim 3, further comprising an insulation pull handle (19), wherein the clamping plate (17) is fixedly connected with the insulation pull handle (19).
  5. 5. The switching power supply insulation and withstand voltage testing device according to claim 4, further comprising limiting blocks (20), wherein two limiting blocks (20) are fixedly connected to the third guide frame (16).
  6. 6. The device for testing the insulation and voltage withstand of the switching power supply according to claim 5, further comprising a buffer pad (21), wherein the buffer pad (21) is embedded on the push rod (10).
  7. 7. The device for testing the insulation and voltage resistance of the switching power supply according to claim 6, wherein two limiting round blocks are fixedly connected to the clamping plate (17).
  8. 8. The device for testing the insulation and voltage resistance of the switching power supply according to claim 7, wherein the base (1), the first guide frame (4) and the connecting frame (3) are made of insulating materials.

Description

Switching power supply insulation and withstand voltage testing device Technical Field The utility model relates to the technical field of switching power supply testing, in particular to a switching power supply insulation and voltage withstand testing device. Background A switching power supply, also called a switching power supply or a switching mode power supply, is a power supply device that provides a stable output voltage by efficiently converting electric power, and insulation and withstand voltage testing of the switching power supply is an important step for ensuring safety and reliability thereof, aiming at verifying isolation performance between internal circuits of the device and whether the device can be kept operating normally in an abnormal situation. Patent with the bulletin number of CN221303357U is issued, and a switching power supply testing tool is disclosed. The device comprises an operation table, a switching power supply body, an installation seat and a detection mechanism, wherein the operation table is horizontally and sequentially provided with the switching power supply body, one side, close to the switching power supply body, of the installation seat is provided with a plurality of contacts electrically connected with the detection mechanism, and a telescopic mechanism for telescopic operation is arranged between the contacts and the installation seat; when using this patent, tightly press the contact through telescopic machanism on the terminal on the switching power supply body to accomplish the connection of switching power supply body and power detector, but above-mentioned current patent still exists some not enough when in actual use, because above-mentioned current patent is to use telescopic machanism to compress tightly the contact, can't extract rapidly, when meetting switching power supply internal element damage and appear leaking the electric circumstances in the test, the electric current can be along with the conduction to whole testing arrangement through the contact, easily lead to test equipment to damage, and easily make the tester electrocute. Accordingly, it is desirable to provide a switching power supply insulation and withstand voltage test apparatus capable of automatically cutting off an electrical connection. Disclosure of utility model In order to overcome the defects that the prior patent uses a telescopic mechanism to compress a contact, the contact cannot be pulled out quickly, when the internal element of a switching power supply is damaged and the leakage condition occurs during the test, current is conducted to the whole testing device along with the contact, the damage of testing equipment is easy to cause, and a tester is easy to get an electric shock, the utility model provides the switching power supply insulation and withstand voltage testing device capable of automatically cutting off the electric connection. In order to achieve the problems, the technical scheme is that the switch power supply insulation and withstand voltage testing device comprises a base and contact pins, wherein four contact pins are arranged on the base in a sliding mode, the switch power supply insulation and withstand voltage testing device further comprises a connecting frame, a first guide frame, an air cylinder, clamping rods and first elastic pieces, the first guide frame is fixedly connected to the base, the air cylinder is arranged on the first guide frame, the clamping rods are arranged on telescopic rods of the air cylinder, the connecting frames are fixedly connected to the four contact pins, the connecting frames slide on the first guide frame, the first elastic pieces are sleeved on the connecting frames, and two ends of the first elastic pieces are connected with the first guide frame and the base respectively, and the clamping rods are in contact with the connecting frames. As the preference, still including control button, supporting shoe, the push rod, the support frame, wedge fixture block, the limiting plate, second leading truck and connecting rod, install control button on the base, fixedly connected with supporting shoe on the base, the slidingtype is provided with the push rod on the supporting shoe, the cover has return spring on the push rod, return spring's both ends are connected with supporting shoe and push rod respectively, fixedly connected with second leading truck on the base, the second leading truck is located the supporting shoe top, fixedly connected with connecting rod on the clamping lever, the connecting rod slides on the second leading truck, fixedly connected with support frame on the supporting shoe, the rotation is provided with the limiting plate on the support frame, slidingtype is provided with wedge fixture block on the support frame. Preferably, the device further comprises a third guide frame, clamping plates and second elastic pieces, wherein the third guide frame is fixedly connected to the base, two clamping plates