Search

CN-224216798-U - Split type electrified aging testing device

CN224216798UCN 224216798 UCN224216798 UCN 224216798UCN-224216798-U

Abstract

The utility model relates to a split type charged aging testing device which comprises a testing box and a testing frame, wherein the testing box comprises a testing cavity and an air duct assembly communicated with the testing cavity and forming circulating air, the air duct assembly comprises a circulating air duct arranged on the periphery of the testing cavity, an air outlet arranged on a first inner wall of the testing cavity and connected with one end of the circulating air duct, and an air return opening arranged on a second inner wall of the testing cavity opposite to the first inner wall, the testing frame comprises a frame body, a plurality of hollow laminates arranged on the frame body up and down, and testing stations arranged on the hollow laminates and used for loading tested products, one end of each hollow laminate is provided with an air inlet, the other end of each hollow laminate is sealed, and a first air blowing opening is arranged at a position corresponding to the testing station below each hollow laminate bottom surface. According to the utility model, the test frame and the test box are provided with the split structure, so that the product can be conveniently disassembled and assembled by personnel, time and labor are saved, and the test efficiency is prevented from being influenced in the disassembly and assembly process. And the split type test frame can meet the production requirement of an automatic workshop.

Inventors

  • CHEN FENYING
  • LIU DONGXI
  • Chen Kuanyong

Assignees

  • 海拓仪器(江苏)有限公司

Dates

Publication Date
20260508
Application Date
20250527

Claims (10)

  1. 1. The utility model provides a split type electrified ageing test device which characterized in that includes: The test box (1) comprises a test cavity (11) and an air duct assembly (12) which is communicated with the test cavity (11) and forms circulating air, wherein the air duct assembly (12) comprises a circulating air duct (121) which is arranged on the periphery of the test cavity (11), an air outlet (122) which is arranged on a first inner wall of the test cavity (11) and is connected with one end of the circulating air duct (121), and an air return opening (123) which is arranged on a second inner wall of the test cavity (11) opposite to the first inner wall and is connected with the other end of the circulating air duct (121); The testing rack (2) comprises a rack body (21), a plurality of hollow laminate plates (22) which are arranged on the rack body (21) up and down, and testing stations which are arranged on the hollow laminate plates (22) and are used for loading tested products, wherein one end of each hollow laminate plate (22) is provided with an air inlet (221) and the other end is closed, and a first air blowing opening is formed in the position, corresponding to the testing station below the bottom surface of each hollow laminate plate (22); The testing device is provided with at least two working states, when the testing device is in a first working state, the testing frame (2) is separated from the testing cavity (11), when the testing device is in a second working state, the testing frame (2) is positioned in the testing cavity (11), and the air inlet (221) is in butt joint and communication with the air outlet (122).
  2. 2. The device of claim 1, wherein the air duct assembly (12) further comprises an air guiding frame (124) surrounding the air outlet (122) and fixed on the first inner wall, one side surface of the frame body (21) abuts against the air guiding frame (124) when the device is in the second working state, and the air inlets (221) are all located inside the air guiding frame (124).
  3. 3. The split type charged aging testing device according to claim 2, wherein a wall plate (24) is arranged on one side of the frame body (21), one end of the hollow laminate plate (22) is connected with the wall plate (24), ventilation openings (241) which are communicated with the air inlets (221) in a one-to-one correspondence manner are formed in the wall plate (24), and when the testing device is in the second working state, the wall plate (24) covers and abuts against the air guide frame (124).
  4. 4. The device of claim 3, wherein the duct assembly (12) further comprises a sealing strip (13) disposed along an edge of the air guiding frame (124), and the sealing strip (13) is clamped between the wall plate (24) and the air guiding frame (124) when the device is in the second operating state.
  5. 5. The device of claim 1, wherein a second air blowing port (222) is provided at a position on the top surface of each hollow laminate (22) corresponding to the test station above the hollow laminate.
  6. 6. The split type charged aging testing apparatus of claim 5, wherein said first air blowing openings are each formed in an inverted cone shape having a large upper portion and a small lower portion, and said second air blowing openings (222) are each formed in a cone shape having a large upper portion and a large lower portion.
  7. 7. The split type charged aging testing apparatus according to claim 1, further comprising at least one pair of pulley assemblies (3) disposed at the bottom of said testing chamber (11), wherein said at least one pair of pulley assemblies (3) are disposed at the left and right sides of the bottom of said testing chamber (11), respectively, each of said pulley assemblies (3) comprises a pair of wheel frames (31) fixed to the bottom surface of said testing chamber (11), and a plurality of rollers (32) rotatably connected between said pair of wheel frames (31) about a rotation axis disposed in the left and right direction, said plurality of rollers (32) being arranged in the front and rear direction.
  8. 8. The split type live aging testing device according to claim 1, wherein the testing device further comprises at least one locking component (4) arranged at the bottom of the testing cavity (11) and used for locking the position of the testing frame (2), the locking component (4) comprises a fixing piece (41) fixed on the bottom surface of the testing cavity (11), at least one clamping hook (42) rotatably connected to the side surface of the fixing piece (41), and an elastic piece connected between the fixing piece (41) and the clamping hook (42) and used for applying force to the clamping hook (42) to enable the head of the clamping hook (42) to have a backward swinging trend, and when the testing device is in the second working state, the head of the clamping hook (42) is abutted against the front of the testing frame (2) and applies backward force to the testing frame (2).
  9. 9. The split live burn-in apparatus of claim 1, further comprising a positioning sensor (5) disposed on a rear wall of the test chamber (11), the positioning sensor (5) being triggered when the test apparatus is in the second operational state.
  10. 10. The device for testing the split type electrified aging of the steel wire rope according to claim 1, wherein each testing station is provided with a tested product testing circuit board (25) for loading and testing, and a radiating plate is connected to the back of the testing circuit board (25) at a position corresponding to the tested product.

Description

Split type electrified aging testing device Technical Field The utility model relates to a split type live aging testing device, which is suitable for the technical field of reliability testing of electronic devices. Background The split type live aging testing device is equipment for testing reliability of electronic devices such as chips, optical modules and the like, and mainly tests the state, performance index and the like of the electronic devices in a complex environment, the working procedure needs to enable the electronic devices to be in high-temperature, high-humidity or low-temperature and other extreme environments for conducting operation, and changes of the electronic devices in the conducting operation process are monitored so as to screen defective products in the electronic devices. The structure and working principle of the existing test equipment are as disclosed in patent publication number CN113406423B, the test cavity is divided into a plurality of layers of test areas for placing tested products and circulating air channels around the test areas by arranging a bracket in the test cavity, then air flows can be blown onto each product from the branched air channels by separating the branched air channels between two adjacent test areas, and then flows back to the circulating air channels from one side of the test areas. However, when such a device is tested or the test is finished, a tester is required to manually install or detach the tested product from the device, and because the test cavity is usually only opened on one side, the time and the effort are very consumed in the process of disassembling and assembling the tested product. Moreover, since the test stations are fixedly arranged in the test cavity, the next test cannot be performed by the equipment when the equipment is disassembled or assembled, and the working efficiency of the test equipment is affected. In addition, with the continuous development of related technologies of intelligent workshops, the current industrial factory buildings are gradually developed towards automation and unmanned, and the structure of the existing test equipment cannot meet the requirement of automation. Disclosure of utility model In order to solve the defects in the prior art, the utility model provides a split type charged aging testing device. The technical scheme adopted by the utility model is a split type charged aging testing device, which comprises: the test box comprises a test cavity and an air duct component which is communicated with the test cavity and forms circulating air, wherein the air duct component comprises a circulating air duct which is arranged on the periphery of the test cavity, an air outlet which is arranged on a first inner wall of the test cavity and is connected with one end of the circulating air duct, and an air return port which is arranged on a second inner wall of the test cavity opposite to the first inner wall and is connected with the other end of the circulating air duct; The testing frame comprises a frame body, a plurality of hollow laminate plates which are arranged on the frame body up and down, and a testing station which is arranged on the hollow laminate plates and used for loading tested products, wherein one end of each hollow laminate plate is provided with an air inlet, the other end of each hollow laminate plate is closed, and the bottom surface of each hollow laminate plate is provided with a first air blowing opening at the position corresponding to the testing station below the bottom surface of each hollow laminate plate. The testing device is provided with at least two working states, when the testing device is in a first working state, the testing frame is separated from the testing cavity, when the testing device is in a second working state, the testing frame is positioned in the testing cavity, and the air inlet is butted and communicated with the air outlet. The test rack and the test box are arranged into a split structure, when the test is ready or finished, the test device is in a first working state, namely the test rack is separated from the test cavity, so that a tester can conveniently install or detach the tested product, time and labor are saved, other loaded test racks can be loaded into the test cavity in the process of installation or detachment, and the influence of the installation or detachment process on the test efficiency is avoided, thereby improving the test efficiency. In addition, the split type test frame also conveniently adopts carriers such as fork truck to carry the test frame for can take out the test frame automatically through automatic fork truck after the test structure, and the automatic installation is loaded with the test frame of not survey product, in order to satisfy the production demand in automation workshop. Further, the air duct assembly further comprises an air guide frame which is arranged around the air outlet and fixed on the first i