CN220546967U - High-low temperature alternating damp-heat test box - Google Patents
High-low temperature alternating damp-heat test box Download PDFInfo
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- CN220546967U CN220546967U CN202321518619.2U CN202321518619U CN220546967U CN 220546967 U CN220546967 U CN 220546967U CN 202321518619 U CN202321518619 U CN 202321518619U CN 220546967 U CN220546967 U CN 220546967U
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- 238000012360 testing method Methods 0.000 title claims abstract description 107
- 238000010438 heat treatment Methods 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 abstract description 12
- 238000005057 refrigeration Methods 0.000 description 11
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of high-low temperature alternating damp-heat test boxes, and discloses a high-low temperature alternating damp-heat test box which comprises a test box body, wherein the test box body comprises a test chamber, a refrigerating chamber and a heating chamber, the test chamber and the refrigerating chamber are respectively arranged at the upper part and the lower part of the test box body, the heating chamber is arranged in a shell at the rear side of the test box body, a vent hole is arranged on the rear side wall of the test chamber, the high-low temperature alternating damp-heat test box is provided with a control assembly, when the test box is heated and tested, a heat conducting pipe transmits heat into a heat expansion air bag, the heat expansion air bag is heated and expands in a fixed frame, the heat expansion air bag props against a movable disc to move in the expansion process, the movable disc drives a clamping rod to move downwards, and the clamping rod is clamped into a groove in the fixed block, so that a box door can not be pulled outwards, and other non-professional personnel can be prevented from opening the box door by mistake in the working process, and a certain potential safety hazard is caused.
Description
Technical Field
The utility model belongs to the technical field of fatigue resistance tests, and particularly relates to a high-low temperature alternating damp-heat test box.
Background
The high-low temperature alternating damp-heat test box is used for testing and determining parameters and performances of the automobile field, electrician, electronic and other products and materials after the high-temperature, low-temperature, alternating damp-heat or constant-test temperature environment changes. The damp-heat test is an environment test with the combined action of two environment stresses, namely temperature stress and humidity stress, and the typical environment effect of the damp-heat test is mainly caused by two phenomena of surface wetting and volume wetting of a product.
The sealing door of the existing test box is not provided with an anti-misoperation measure, front line workers or other non-professional workers can easily open and close the door by mistake, so that certain danger is brought, and in the test, only a single object is placed on the surface of the object placing plate, so that the placing requirements of samples with different sizes in the box can not be met according to the requirements; aiming at the problem, we propose a high-low temperature alternating damp-heat test box.
Disclosure of Invention
The utility model aims to provide a high-low temperature alternating damp-heat test box so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high low temperature alternating damp and hot test box, includes the test box body, including test cavity, refrigeration chamber and heating chamber in the test box body, test cavity and refrigeration chamber set up respectively in the upper portion and the lower part of test box body, the heating chamber sets up in test box body rear side casing be equipped with the air vent on the lateral wall behind the test cavity, the heating chamber communicates each other through the air vent with test cavity be equipped with heating system in the heating chamber, be equipped with refrigerating system in the refrigeration chamber, a plurality of draw-in grooves have been seted up to test cavity inner wall, put the thing integrated circuit board and establish in the draw-in groove, sample wiring hole has been seted up to test cavity's left wall because some sample test process needs wiring, satisfies different sample test demands, approximate working process: a heating system: placing a sample to be tested on a placing plate, starting a heating system, wherein an air valve is arranged in the heating system, starting the heating system arranged in a heating cavity, forming a heating environment in a testing cavity through an air vent, heating the sample to be tested in the hot testing environment, and closing the air valve of the heating system after heating for 1 h; the method comprises the steps of starting a refrigerating system, wherein a compressor is arranged in the refrigerating system, refrigerating by compressed air, cooling a testing cavity (similar to a refrigerating structure of a refrigerator) to form a low-temperature testing environment between the testing cavity and a sample to be tested, closing the refrigerating system after the low-temperature testing is carried out for 1h, and sequentially repeating the steps, wherein the temperature range in the testing cavity is-40-150 ℃ according to the testing tolerance of different samples, so as to test the tolerance of the sample to be tested under the condition of extremely low and extremely high temperature alternate impact.
Optionally, be provided with control assembly in the test box, control assembly locks the chamber door at test box during operation, control assembly includes:
the fixing frame is used for fixing the thermal expansion air bag and placing the movable disc, and is fixed in the test box body;
the thermal expansion air bag is heated and expanded to control the operation of the whole assembly, and is arranged inside the fixed frame;
the movable disc moves linearly under the influence of expansion and shrinkage of the heated expansion air bag, a clamping rod is fixedly arranged on the surface of the movable disc, the clamping rod penetrates through the fixed frame and is in sliding connection with the fixed frame, the surface of the movable disc is fixedly connected with one end of a spring, and the other end of the spring is fixedly arranged on the inner wall of the fixed frame;
the fixing piece, control assembly still includes the fixing piece, the fixing piece is used for locking the chamber door.
Optionally, the fixing piece comprises a fixing block, the fixing block is fixedly installed on the inner side surface of the box door, and the inner side surface of the box door is fixedly provided with a circular ring.
Optionally, the movable disk is connected with the lug through the montant, the lug is located the outside of fixed frame, the lug accomplishes the locking action of chamber door when inserting the ring.
Optionally, still be provided with driven assembly in the test box, driven assembly includes horizontal piece, horizontal piece fixed mounting is on the surface of putting the thing board, the surface and the carousel rotation of horizontal piece are connected, the surface and the threaded rod fixed connection of carousel, the threaded rod runs through horizontal piece and rotates with horizontal piece to be connected, the threaded rod runs through the movable block and with movable block threaded connection, the fixed surface of movable block installs the movable rod, the movable rod runs through horizontal piece and with horizontal piece sliding connection, the movable rod with put the surface sliding connection of thing board.
Optionally, a stability chute for ensuring the movement of the moving rod is formed on the surface of the storage plate.
Optionally, a groove for limiting the fixing block and the box door is formed on the surface of the fixing block.
Compared with the prior art, the utility model provides the high-low temperature alternating damp-heat test box, which has the following beneficial effects:
1. this high low temperature alternation damp heat test case, through being provided with control assembly, when carrying out the heating test in the test case, the heat pipe is with heat transmission in the thermal expansion gasbag, thermal expansion gasbag is heated and is expanded in the fixed frame, the in-process of inflation, the thermal expansion gasbag supports the movable dish and removes, the movable dish drives the draw-in lever downwardly moving, in the recess in the fixed block is gone into to the draw-in lever card, then the fixed chamber door of fixed block can not outwards pull open, then can avoid taking place other non-professionals' mistake and open the chamber door at the in-process of work, cause certain potential safety hazard.
2. This high low temperature alternation damp and hot test case through being provided with driven assembly, rotates the carousel on horizontal piece surface, and the carousel drives the threaded rod and rotates, then the movable block can drive the movable rod and remove, and two sets of movable rods remove on the surface of putting the thing board, then can satisfy the sample of equidimension and place the requirement in the box.
Drawings
FIG. 1 is a schematic diagram of an open front structure of the present utility model;
FIG. 2 is a schematic diagram of a front-view closure structure of the present utility model;
FIG. 3 is a schematic view of the partial assembly structure of the present utility model;
FIG. 4 is a schematic view of a part of the components of the present utility model.
In the figure: 1. a test box; 2. a door; 6. a storage plate; 7. a control assembly; 71. a fixed frame; 72. a thermally expanding balloon; 73. a heat conduction pipe; 74. a movable plate; 75. a clamping rod; 76. a spring; 77. a fixing member; 771. a fixed block; 772. a circular ring; 773. a vertical rod; 774. a bump; 8. a driven assembly; 81. a transverse block; 82. a turntable; 83. a threaded rod; 84. a moving block; 85. a moving rod; 11. a test chamber; 12. a refrigerating chamber; 13. a heating chamber; 14. a vent hole; 15. a clamping groove; 17. and a wiring hole.
Detailed Description
As shown in fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a high low temperature alternating damp heat test box, including test box body 1, including test cavity 11 in the test box body 1, refrigeration chamber 12 and heating chamber 13, test cavity 11 and refrigeration chamber 12 set up respectively in test box body 1's upper portion and lower part, heating chamber 13 sets up in test box body 1 rear side casing, be equipped with air vent 14 on test cavity 11 back lateral wall, heating chamber 13 communicates each other with test cavity 11 through air vent 14, be equipped with heating system in heating chamber 13, be equipped with refrigerating system in the refrigeration chamber 12, a plurality of draw-in grooves 15 have been seted up to test cavity 11 inner wall, put thing board 6 card and establish in draw-in groove 15, sample wiring hole 17 has been seted up to test cavity 11's left side wall. Because some sample testing processes need wiring, different sample testing requirements are met, and the working process is outlined: a heating system: placing a sample to be tested on the object placing plate 6, starting a heating system, wherein an air valve is arranged in the heating system, starting the heating system arranged in the heating cavity 13, forming a heating environment in the test cavity 11 through the vent hole 14, heating the sample to be tested in the hot test environment, and closing the air valve of the heating system after heating for 1 h; the method comprises the steps of starting a refrigerating system, wherein a compressor is arranged in the refrigerating system, refrigerating by compressed air, cooling a testing cavity 11 to form a refrigerating structure similar to a refrigerator, so that a low-temperature testing environment is formed between the testing cavity 11 and a sample to be tested, closing the refrigerating system after the low-temperature testing is carried out for 1h, and sequentially repeating the steps, wherein the temperature range in the testing cavity 11 is-40-150 ℃ according to the testing tolerance of different samples, so as to test the tolerance of the sample to be tested under the condition of extremely low and extremely high temperature alternate impact.
The control assembly 7 is arranged in the test box body 1, the control assembly 7 locks the box door 2 when the test box body 1 works, the control assembly 7 comprises a fixed frame 71, the fixed frame 71 is used for fixing a thermal expansion air bag 72 and placing a movable disc 74, the fixed frame 71 is fixed in the test box body 1, the thermal expansion air bag 72 is used for controlling the operation of the whole assembly through thermal expansion, the thermal expansion air bag 72 is placed in the fixed frame 71, the movable disc 74 moves linearly under the influence of expansion and shrinkage of the thermal expansion air bag 72, a clamping rod 75 is fixedly arranged on the surface of the movable disc 74, the clamping rod 75 penetrates through the fixed frame 71 and is in sliding connection with the fixed frame 71, the surface of the movable disc 74 is fixedly connected with one end of a spring 76, the other end of the spring 76 is fixedly arranged on the inner wall of the fixed frame 71, the control assembly 7 further comprises a fixing piece 77, the fixing piece 77 is used for locking the box door 2, and the box door 2 can be prevented from being opened by other non-professional staff in the working process, so that certain potential safety hazards are caused.
The fixing member 77 includes a fixing block 771, the fixing block 771 is fixedly installed on an inner side surface of the door 2, and a circular ring 772 is fixedly installed on the inner side surface of the door 2.
The movable disc 74 is connected with the protruding block 774 through the vertical rod 773, the protruding block 774 is located on the outer side of the fixed frame 71, and locking action of the box door 2 is completed when the protruding block 774 is inserted into the circular ring 772.
Still be provided with driven component 8 in the test box body 1, driven component 8 includes horizontal piece 81, horizontal piece 81 fixed mounting is on the surface of putting thing board 6, the surface of horizontal piece 81 rotates with carousel 82 to be connected, the surface and the threaded rod 83 fixed connection of carousel 82, threaded rod 83 runs through horizontal piece 81 and rotates with horizontal piece 81 to be connected, threaded rod 83 runs through movable block 84 and with movable block 84 threaded connection, movable rod 85 is installed to movable block 84's surface fixed mounting, movable rod 85 runs through horizontal piece 81 and with horizontal piece 81 sliding connection, movable rod 85 and the surface sliding connection who puts thing board 6.
The surface of the object placing plate 6 is provided with a stability chute for ensuring the movement of the moving rod 85.
The surface of the fixed block 771 is provided with a groove for limiting the fixed block 771 and the box door 2, and the fixed block 771 and the box door 2 can be limited by the groove.
In the utility model, when in use, the box door 2 is opened to place the object to be tested on the surface of the object placing plate 6, then the turntable 82 on the surface of the transverse block 81 is rotated, the turntable 82 drives the threaded rod 83 to rotate, the movable block 84 can drive the movable rods 85 to move, the two groups of movable rods 85 move on the surface of the object placing plate 6 to fix the object, the requirement of placing samples with different sizes in the box body can be met, after the box door 2 is closed, when the heating test is needed for the object, the heating system is started to perform heating treatment, the air valve is arranged in the heating system to form a heating environment between the heating system and the object to be tested, the heat conducting tube 73 transmits heat into the thermal expansion air bag 72 in the heating process, the thermal expansion air bag 72 is heated in the fixed frame 71 to expand, the thermal expansion air bag 72 props against the movable disc 74 to move, the movable disc 74 drives the clamping rod 75 to move downwards, the clamping rod 75 is clamped into the groove in the fixed block 771, the box door 2 fixed by the fixed block 771 cannot be pulled outwards, certain potential safety hazards caused by the fact that other non-professionals open the box door 2 by mistake in the working process can be avoided, when a refrigeration test is carried out, the refrigeration system is started, a compressor is arranged in the refrigeration system, compressed air is used for refrigeration, a low-temperature test environment is formed between the refrigeration system and a sample to be tested, the thermal expansion air bag 72 is extremely contracted, the movable disc 74 is supported by the spring 76 to move upwards in the fixed frame 71, the vertical rod 773 can drive the protruding block 774 to be clamped into the through hole in the circular ring 772, the box door 2 fixed by the circular ring 772 cannot be pulled outwards, and the potential safety hazards are avoided.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (6)
1. The utility model provides a high low temperature alternation damp heat test box, includes test box body (1), its characterized in that: the test box body (1) comprises a test chamber (11), a refrigerating chamber (12) and a heating chamber (13), wherein the test chamber (11) and the refrigerating chamber (12) are respectively arranged at the upper part and the lower part of the test box body (1), the heating chamber (13) is arranged in a shell at the rear side of the test box body (1), a vent hole (14) is formed in the rear side wall of the test chamber (11), the heating chamber (13) is communicated with the test chamber (11) through the vent hole (14), a heating system is arranged in the heating chamber (13), the refrigerating chamber (12) is provided with the refrigerating system, a plurality of clamping grooves (15) are formed in the inner wall of the test chamber (11), a storage plate (6) is clamped in the clamping grooves (15), and a sample wiring hole (17) is formed in the left side wall of the test chamber (11);
be provided with control assembly (7) in test box (1), control assembly (7) lock chamber door (2) when test box (1) during operation, control assembly (7) include:
the fixing frame (71) is used for fixing the thermal expansion air bag (72) and placing the movable disc (74), and the fixing frame (71) is fixed in the test box body (1);
a thermal expansion balloon (72), the thermal expansion balloon (72) controlling the operation of the whole assembly by thermal expansion, the thermal expansion balloon (72) being placed inside a fixed frame (71);
the movable disc (74), the movable disc (74) moves linearly under the influence of expansion and shrinkage of the heated expansion air bag (72), a clamping rod (75) is fixedly arranged on the surface of the movable disc (74), the clamping rod (75) penetrates through the fixed frame (71) and is in sliding connection with the fixed frame (71), the surface of the movable disc (74) is fixedly connected with one end of a spring (76), and the other end of the spring (76) is fixedly arranged on the inner wall of the fixed frame (71);
the fixing piece (77), the control assembly (7) further comprises the fixing piece (77), and the fixing piece (77) is used for locking the box door (2).
2. The high-low temperature alternating damp-heat test chamber according to claim 1, wherein: the fixing piece (77) comprises a fixing block (771), the fixing block (771) is fixedly arranged on the inner side surface of the box door (2), and a circular ring (772) is fixedly arranged on the inner side surface of the box door (2).
3. The high-low temperature alternating damp-heat test chamber according to claim 1, wherein: the movable disc (74) is connected with the protruding block (774) through the vertical rod (773), the protruding block (774) is located on the outer side of the fixed frame (71), and the locking action of the box door (2) is completed when the protruding block (774) is inserted into the circular ring (772).
4. The high-low temperature alternating damp-heat test chamber according to claim 1, wherein: still be provided with driven assembly (8) in test box (1), driven assembly (8) include horizontal piece (81), horizontal piece (81) fixed mounting is on the surface of putting thing board (6), the surface and carousel (82) rotation of horizontal piece (81) are connected, the surface and the threaded rod (83) fixed connection of carousel (82), threaded rod (83) run through horizontal piece (81) and rotate with horizontal piece (81) and be connected, threaded rod (83) run through movable block (84) and with movable block (84) threaded connection, the fixed surface of movable block (84) installs movable rod (85), movable rod (85) run through horizontal piece (81) and with horizontal piece (81) sliding connection, movable rod (85) with put the surface sliding connection of thing board (6).
5. The high-low temperature alternating damp-heat test chamber according to claim 4, wherein: the surface of the object placing plate (6) is provided with a stability chute for guaranteeing the movement of the moving rod (85).
6. The high-low temperature alternating damp-heat test chamber according to claim 2, wherein: the surface of the fixed block (771) is provided with grooves for limiting the fixed block (771) and the box door (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321518619.2U CN220546967U (en) | 2023-06-14 | 2023-06-14 | High-low temperature alternating damp-heat test box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321518619.2U CN220546967U (en) | 2023-06-14 | 2023-06-14 | High-low temperature alternating damp-heat test box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220546967U true CN220546967U (en) | 2024-03-01 |
Family
ID=90007536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321518619.2U Active CN220546967U (en) | 2023-06-14 | 2023-06-14 | High-low temperature alternating damp-heat test box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220546967U (en) |
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2023
- 2023-06-14 CN CN202321518619.2U patent/CN220546967U/en active Active
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