High-pressure accelerated life test box
By using a rotating design for the hanging workpiece cage and bracket plate, the problem of uneven heat transfer in the workpiece in traditional high-pressure accelerated life test chambers is solved, thus achieving accuracy and reliability of test results, improving test efficiency, simplifying operation, and extending equipment life.
Patent Information
- Application Number
- CN202520294901.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-02-24
AI Technical Summary
In traditional high-pressure accelerated life test chambers, uneven heat transfer in the workpiece leads to deviations in test results, affecting the accuracy and reliability of the test.
The design adopts a hanging workpiece cage, which is driven to rotate by a drive component. Combined with the setting of bracket plate and hollow plate, it ensures that the workpiece is uniformly subjected to environmental stress. The design achieves efficient and safe data support, while shortening the test time and improving the accuracy and reliability of the test results. It also addresses the technical problems brought about by subsequent product improvement and optimization. Figure 1 is a structural schematic diagram of this application.
It achieves uniform heat transfer in the workpiece during the test, improves the accuracy and reliability of the test results, shortens the test time, improves the test efficiency, and facilitates operation and maintenance.
Smart Images
Figure CN223692460U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of test equipment, in particular to a high-voltage accelerated life test box. BACKGROUND
[0002] HAST (high-voltage accelerated life test box) is a kind of experimental equipment for simulating high-temperature and high-humidity environment climate and investigating and analyzing when electronic components and mechanical parts appear wear and service life. The HAST is widely applied to the reliability accelerated aging life test of semiconductor materials, electronic parts and other equipment in the chip, electronic appliance, 5G optical module, aerospace, sensor and other industries.
[0003] In the related art, when the traditional high-voltage accelerated life test box is tested, a large number of test workpieces are neatly stacked on the storage rack. Since the storage rack remains stationary during the test process, the heat transfer efficiency and uniformity between the workpieces cannot be fully guaranteed, which often leads to that some workpieces are overheated, while the other workpieces are insufficiently heated, thereby causing significant deviation of the test results, which not only affects the accuracy and reliability of the test, but also brings unnecessary troubles to the subsequent product improvement and optimization. CONTENT OF THE INVENTION
[0004] In order to solve the problem of insufficient heat transfer uniformity of the workpieces in the high-voltage accelerated life test box, the application provides a high-voltage accelerated life test box.
[0005] The high-voltage accelerated life test box provided by the application adopts the following technical scheme:
[0006] The high-voltage accelerated life test box comprises a box body, the inside of the box body is a hollow structure, a hanging workpiece cage is arranged in the inside of the box body, the hanging workpiece cage is rotationally arranged in the box body, a driving member for driving the hanging workpiece cage is arranged on the box body, a plurality of vertical rod bars are arranged on the hanging workpiece cage, the plurality of vertical rod bars are sequentially and spacedly arranged along the circumferential direction of the hanging workpiece cage, a plurality of bracket plates for hanging workpieces are arranged on any vertical rod bar, and the plurality of bracket plates are sequentially and spacedly arranged along the length direction of the vertical rod bar.
[0007] Since the storage rack remains stationary during the test process, the heat transfer efficiency and uniformity between the workpieces cannot be fully guaranteed, which often leads to that some workpieces are overheated, while the other workpieces are insufficiently heated, thereby causing significant deviation of the test results, which not only affects the accuracy and reliability of the test, but also brings unnecessary troubles to the subsequent product improvement and optimization. By adopting the above technical scheme, the box body is provided, the hanging workpiece cage is rotationally installed in the box body, the driving member drives the hanging workpiece cage to rotate, the vertical rod bars are sequentially installed along the circumferential direction of the hanging workpiece cage, and the bracket plates are installed on each hanging workpiece cage.
[0008] When the high-voltage accelerated life test box is in operation, the door of the test box is opened, and the operator mounts the workpieces to be tested on the tray plates of the hanging workpiece cage one by one. After the workpieces are mounted, the operator closes the door and starts the test box through the control panel to simulate a high-temperature and high-humidity environment. At the same time, the driving member starts to work and drives the hanging workpiece cage to rotate in the box. The rotating hanging workpiece cage enables the workpieces to uniformly receive various environmental stresses from the inside of the box during the test, thereby more realistically simulating the aging process of the workpieces in the actual use environment. When the test reaches the preset time or the workpieces show obvious failure characteristics, the operator stops the test, opens the door, and takes out the workpieces for inspection and analysis to evaluate the durability and reliability of the workpieces in a specific environment, thereby providing strong data support for subsequent product design and improvement.
[0009] Through the hanging workpiece cage, the driving member, the tray plate and the like, the rotation design of the hanging workpiece cage enables the workpieces to constantly change positions during the test and more uniformly receive various environmental stresses such as high temperature and high humidity from the inside of the box, thereby significantly improving the heat transfer efficiency and uniformity, avoiding the problems of excessive or insufficient heating of the workpieces due to uneven heat transfer between the workpieces, and enhancing the accuracy and reliability of the test results to provide more realistic and reliable data support for subsequent product improvement and optimization, while shortening the test time, improving the test efficiency, and facilitating operation and maintenance.
[0010] Optionally, the box is provided with two hollow plates for protecting the workpieces, and the two hollow plates are arranged at the two ends of the hanging workpiece cage in the length direction.
[0011] Through the above technical solution, the hollow plates are installed in the box, and the two hollow plates are arranged at the two ends of the hanging workpiece cage. Through the arrangement of the hollow plates, the upper hollow plate can reduce the direct contact of the workpieces with objects falling from above (such as water droplets, dust and the like), thereby protecting the workpieces. Meanwhile, the lower hollow plate can also prevent the workpieces from directly contacting the bottom of the box, thereby avoiding damage caused by friction or collision and prolonging the service life of the equipment.
[0012] Optionally, a guide groove is formed in each vertical rod, a guide block for sliding in the guide groove is arranged on the tray plate, and a clamping member is arranged on the guide block.
[0013] Through the above technical solution, the guide groove is formed in the vertical rod, the tray plate slides in the guide groove through the guide block, and the clamping member is used for fixation. Through the arrangement of the guide groove, the guide block and the clamping member, the tray plate can be easily moved along the vertical rod to adapt to tray plates and workpieces of different lengths, thereby ensuring that the workpieces can be stably mounted on the hanging workpiece cage.
[0014] Optionally, a plurality of hanger holes for hanging are provided on any of the bracket plates.
[0015] By adopting the above technical scheme, the hanger holes are provided on the bracket plates; through the provision of the hanger holes, the plurality of hanger holes can efficiently utilize the space of the hanging workpiece cage, which helps to mount more workpieces in the limited test space, thereby improving the utilization rate and test efficiency of the test box.
[0016] Optionally, a plurality of reinforcing plates for enhancing structural strength are arranged inside the hanging workpiece cage, and the plurality of reinforcing plates are arranged along the circumferential direction of the hanging workpiece cage.
[0017] By adopting the above technical scheme, the reinforcing plates are welded and fixed in the hanging workpiece cage; through the provision of the reinforcing plates, a solid overall structure is formed, which significantly improves the carrying capacity of the hanging workpiece cage, so that it can withstand greater weight and stress, thereby ensuring the safety of the workpieces during the test process.
[0018] Optionally, a door for opening is arranged on the box body, two sliding rails are arranged on the box body, the two sliding rails are arranged on the two sides of the door respectively, sliding blocks for cooperating with the sliding rails are arranged on the two sides of the door, and the sliding blocks are slidingly connected to the corresponding sliding rails.
[0019] By adopting the above technical scheme, the two sliding rails are respectively installed on the two sides in the height direction of the box body, and the opening and closing of the door are realized through the cooperation of the sliding blocks and the sliding rails; through the provision of the sliding rails and the sliding blocks, the door can be easily opened and closed on the box body, which simplifies the operation process and improves the convenience of use; at the same time, the stable rail structure can withstand the weight of the door and maintain stable sliding performance in long-term use, thereby prolonging the service life.
[0020] Optionally, any of the sliding rails is provided with two travel limit plates for limiting the position of the door, and the two travel limit plates are arranged at the two ends in the length direction of the sliding rail.
[0021] By adopting the above technical scheme, the travel limit plates are installed at the two ends of the sliding rail; through the provision of the travel limit plates, the door can be prevented from exceeding the predetermined range during the opening or closing process, which avoids the door from hitting surrounding objects or personnel due to excessive opening, ensures the safety of the operators, and ensures the stability of the internal environment of the test box.
[0022] Optionally, a sealing gasket for eliminating the gap of the door is arranged on the box body, and the sealing gasket is arranged along the circumferential direction of the door.
[0023] By adopting the technical scheme, the sealing gasket is fixed on the box body by adhesion, and the sealing gasket is arranged at the opening of the box body to which the box door is mounted. Through the arrangement of the sealing gasket, the sealing gasket can be closely fitted between the box body and the box door, effectively preventing the leakage of the internal environment (such as temperature, humidity, pressure, etc.), ensuring the stability and accuracy of the internal environment of the test chamber, and thus improving the reliability of the test results.
[0024] In summary, the present application includes at least one of the following beneficial technical effects:
[0025] Through the arrangement of the hanging workpiece cage, the driving member and the bracket plate, the rotation design of the hanging workpiece cage enables the workpieces to constantly change positions during the test process, and more evenly receive various environmental stresses from the inside of the box body, such as high temperature and high humidity, significantly improving the heat transfer efficiency and uniformity, avoiding the problem of excessive or insufficient heating caused by uneven heat transfer between workpieces, enhancing the accuracy and reliability of the test results, providing more real and reliable data support for subsequent product improvement and optimization, shortening the test time, improving the test efficiency, and facilitating operation and maintenance.
[0026] Through the arrangement of the hollow plate, the hollow plate at the top can reduce the direct contact of objects (such as water droplets, dust, etc.) falling from above with the workpieces, thereby playing a protective role for the workpieces, and the hollow plate at the bottom can also prevent the workpieces from directly contacting the bottom of the box body, avoiding damage caused by friction or collision, and prolonging the service life of the equipment.
[0027] Through the arrangement of the hanger hole, multiple hanger holes can efficiently utilize the space of the hanging workpiece cage, which helps to mount more workpieces in a limited test space, thereby improving the utilization rate and test efficiency of the test chamber. BRIEF DESCRIPTION OF DRAWINGS
[0028] Figure 1 is a structural schematic diagram of a high-voltage accelerated life test chamber in an embodiment of the present application.
[0029] Figure 2 is a sectional view of a high-voltage accelerated life test chamber in an embodiment of the present application.
[0030] Figure 3 is a structural schematic diagram for embodying a hanging workpiece cage in an embodiment of the present application.
[0031] Explanation of reference signs: 1, box body; 2, hanging workpiece cage; 21, reinforcing plate; 3, driving member; 4, vertical rod; 41, guide groove; 5, bracket plate; 51, guide block; 52, abutting member; 6, hollow plate; 7, hanger hole; 8, box door; 9, sliding rail; 10, sliding block; 11, stroke limiting plate; 12, sealing gasket. DETAILED DESCRIPTION
[0032] The following is in conjunction with the appendix Figures 1-3 This application will be described in further detail.
[0033] This application discloses a high-pressure accelerated life test chamber. (Refer to...) Figure 1 The high-pressure accelerated life test chamber includes a chamber 1, which has a hollow interior. In this embodiment, the chamber 1 is equipped with a heating system, a humidification system, a pressure control system, etc., to simulate a high-temperature and high-humidity environment and simulate the aging process of the workpiece in the actual use environment.
[0034] Reference Figure 1 A door 8 is installed on one side of the box body 1. In this embodiment, an opening for entering the interior of the box body 1 is formed on one side of the box body 1. The door 8 covers the opening of the box body 1. Two sets of slide rails 9 are installed on the box body 1. The two sets of slide rails 9 are respectively arranged on both sides of the height direction of the door 8. At the same time, sliders 10 are installed on both sides of the door 8 along the height direction. There can be multiple sliders 10 on the same side. Each slider 10 is slidably connected to the corresponding slide rail 9. This allows the door 8 to easily slide open and close on the box body 1, simplifying the operation process and improving the convenience of use. At the same time, the stable track structure can bear the weight of the door 8 and maintain stable sliding performance during long-term use, thus extending the service life.
[0035] Reference Figure 1 Meanwhile, each slide rail 9 has a travel limit plate 11 installed at both ends along its length. The height of the travel limit plate 11 is higher than that of the slide rail 9, which can prevent the door 8 from exceeding the predetermined range during opening or closing, avoid the door 8 from hitting surrounding objects or people due to excessive opening, ensure the safety of the operator, and ensure the stability of the internal environment of the test chamber.
[0036] Reference Figure 1 A sealing gasket 12 is glued to the opening of the chamber 1. The sealing gasket 12 is arranged around the circumference of the chamber door 8. In this embodiment, the sealing gasket 12 is made of rubber. The sealing gasket 12 can fit tightly between the chamber 1 and the chamber door 8, effectively preventing leakage of the internal environment (such as temperature, humidity, pressure, etc.), ensuring the stability and accuracy of the internal environment of the test chamber, thereby improving the reliability of the test results.
[0037] Reference Figure 2 The housing 1 contains a hanging workpiece cage 2, which is rotatably mounted inside the housing 1 via a rotating shaft, bearings, etc. A drive unit 3 is installed on the top of the housing 1. In this embodiment, the drive unit 3 is used to drive the hanging workpiece cage 2 to rotate. The drive unit 3 can be a servo motor, which can achieve forward and reverse rotation. The output end of the servo motor is connected to the hanging workpiece cage 2.
[0038] Reference Figure 2Two hollow plates 6 are also installed in the box 1, and the two hollow plates 6 are arranged at two ends of the length direction of the hanging workpiece cage 2, the rotating shafts of the hanging workpiece cage 2 respectively penetrate the two hollow plates 6, and the two hollow plates 6 do not affect the normal rotation of the hanging workpiece cage 2; the hollow plate 6 at the top can reduce the direct contact of objects (such as water droplets, dust, etc.) falling from above to the workpiece, thereby playing a role in protecting the workpiece, and at the same time, the hollow plate 6 at the bottom can also prevent the workpiece from directly contacting the bottom of the box 1, avoiding damage caused by friction or collision, and prolonging the service life of the equipment.
[0039] With reference to Figure 3 A plurality of reinforcing plates 21 are welded and fixed inside the hanging workpiece cage 2, and the plurality of reinforcing plates 21 are arranged in sequence and at intervals along the circumferential direction of the hanging workpiece hole, and in the embodiment, the plurality of reinforcing plates 21 are divided into two groups, and the two groups are welded at two ends of the length direction of the hanging workpiece cage 2; a firm overall structure is formed, which significantly improves the carrying capacity of the hanging workpiece cage 2, so that it can withstand greater weight and stress, thereby ensuring the safety of the workpiece during the test process.
[0040] With reference to Figure 3 A plurality of vertical rods 4 are welded and fixed on the hanging workpiece cage 2, a single vertical rod 4 is installed along the length direction of the hanging workpiece cage 2, and the plurality of vertical rods 4 are arranged in a circumferential array on the hanging workpiece cage 2, and a plurality of bracket plates 5 are installed on each vertical rod 4, and in the embodiment, the bracket plates 5 are used to hang the workpiece, and the plurality of bracket plates 5 are arranged in sequence and at intervals along the length direction of the vertical rod 4.
[0041] With reference to Figure 3 A hanger hole 7 is provided through each bracket plate 5, and in the embodiment, the number of hanger holes 7 on a single bracket plate 5 is multiple, and the number of hanger holes 7 is preferably two, multiple hanger holes 7 can efficiently utilize the space of the hanging workpiece cage 2, which is helpful to hang more workpieces in the limited test space, thereby improving the utilization rate and test efficiency of the test box.
[0042] With reference to Figure 3 Each vertical rod 4 is provided with a guide groove 41 along the length direction of the vertical rod 4, and a guide block 51 is integrally formed on the bracket plate 5, the guide block 51 is slidingly connected in the corresponding guide groove 41, and a tight fitting member 52 is installed on the guide block 51, the tight fitting member 52 penetrates the guide block 51 and is tightly fitted in the guide groove 41, and in the embodiment, the tight fitting member 52 can be a bolt, a buckle or a latch; so that the bracket plate 5 can be easily moved along the vertical rod 4 to adapt to bracket plates 5 and workpieces of different lengths, and ensure that the workpiece can be stably hung on the hanging workpiece cage 2.
[0043] The implementation principle of the high-voltage accelerated life test box according to an embodiment of the application is as follows: when the high-voltage accelerated life test box is performing a test, the door 8 of the test box is opened to enter the inside of the box body 1, and an operator mounts the workpieces to be tested one by one on the bracket plates 5 of the hanging workpiece cage 2, after the workpieces are mounted, the operator closes the door 8 and starts the test box to perform high-temperature and high-humidity environment simulation through the control panel, at the same time, the driving member 3 starts to work, which drives the hanging workpiece cage 2 to rotate inside the box body 1, the rotating hanging workpiece cage 2 enables the workpieces to uniformly receive various environmental stresses from the inside of the box body 1 during the test, so that the aging process of the workpieces in the actual use environment is more realistically simulated, until the test reaches a preset time or the workpieces show obvious failure characteristics, the operator stops the test, opens the door 8 and takes out the workpieces for inspection and analysis to evaluate the durability and reliability of the workpieces in a specific environment, which provides strong data support for subsequent product design and improvement;
[0044] Through the hanging workpiece cage 2, the driving member 3, the bracket plate 5 and the like, the rotating design of the hanging workpiece cage 2 enables the workpieces to constantly change positions during the test and more uniformly receive various environmental stresses such as high temperature and high humidity from the inside of the box body 1, which significantly improves the heat transfer efficiency and uniformity, avoids the problems of excessive or insufficient heating of the workpieces due to uneven heat transfer between the workpieces, enhances the accuracy and reliability of the test results, provides more realistic and reliable data support for subsequent product improvement and optimization, shortens the test time, improves the test efficiency, and is convenient for operation and maintenance.
[0045] The above are preferred embodiments of the application, and do not limit the protection scope of the application, therefore: any equivalent changes made on the structure, shape, principle of the application should be covered within the protection scope of the application.
Claims
1. A high voltage accelerated life test chamber characterized by: The utility model provides a box, the inside of box is hollow structure, the inside of box is provided with hanging workpiece cage, hanging workpiece cage rotates arrangement in box, be provided with driving piece for driving hanging workpiece cage on the box, be provided with a plurality of vertical strip pole on the hanging workpiece cage, a plurality of vertical strip pole are sequentially spaced and arranged along the circumferential direction of hanging workpiece cage, any vertical strip pole is provided with a plurality of bracket plate for hanging workpiece, a plurality of bracket plate are sequentially spaced and arranged along the length direction of vertical strip pole.
2. The high pressure accelerated life test chamber of claim 1, wherein: The box is provided with a hollow plate for protecting the workpiece, and the number of the hollow plate is two. The two hollow plates are arranged at the two ends of the length direction of the hanging workpiece cage.
3. The high pressure accelerated life test chamber of claim 1, wherein: Each of the vertical strip poles is provided with a guide groove, and the corresponding bracket plate is provided with a guide block for sliding in the guide groove. The guide block is provided with a fixing abutting piece.
4. The high pressure accelerated life test chamber of claim 3, wherein: Any of the bracket plates is provided with a plurality of hanger holes for hanging.
5. The high pressure accelerated life test chamber of claim 1, wherein: The inside of the hanging workpiece cage is provided with a plurality of reinforcing plates for enhancing the structural strength. The plurality of reinforcing plates are sequentially spaced and arranged along the circumferential direction of the hanging workpiece cage.
6. The high pressure accelerated life test chamber of claim 1, wherein: The box is provided with a box door for opening. The box is provided with two sliding rails, and the two sliding rails are arranged on the two sides of the box door. The two sides of the box door are provided with sliding blocks for cooperating with the sliding rails. The sliding blocks are slidingly connected to the corresponding sliding rails.
7. The high pressure accelerated life test chamber of claim 6, wherein: Any of the sliding rails is provided with two stroke limiting plates for limiting the position of the box door. The two stroke limiting plates are arranged at the two ends of the length direction of the sliding rail.
8. The high pressure accelerated life test chamber of claim 6, wherein: The box is provided with a sealing gasket for eliminating the gap of the box door. The sealing gasket is arranged along the circumferential direction of the box door.