Cold and hot impact test box

Abstract

The utility model discloses a hot and cold shock test box which comprises a hot and cold shock test box main body, the bottom of the hot and cold shock test box main body is fixedly connected with a heating box, the top of the hot and cold shock test box main body is fixedly connected with a refrigerating box, and the outer walls of the two sides of the hot and cold shock test box main body are fixedly connected with mounting boxes. A second ventilation pipe is installed on the inner side of the installation box in a penetrating mode, a second electric valve is arranged on the outer wall of the second ventilation pipe, an exhaust fan is fixedly connected to the interior of the installation box, and a supporting frame is fixedly connected to the inner side wall of the cold and hot impact test box body. According to the utility model, by starting the second electric valve and the exhaust fan, hot air and cold air in the cold and hot shock test box main body can be exhausted through the second ventilation pipe when the exhaust fan runs, so that the cold air and the hot air in the cold and hot shock test box main body are difficult to replace quickly; the experiment effect of the cold and hot impact test box on an experiment sample is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hot and cold shock test boxes, in particular to a hot and cold shock test box. Background Art

[0002] The hot and cold shock test, also known as the temperature shock test or the high and low temperature shock test, is used to assess the adaptability of the product to the rapid changes in the ambient temperature. It is an indispensable test in the identification test of equipment design finalization and the routine test in the batch production stage. In some cases, it can also be used for environmental stress screening tests. Hot and cold shock test chambers are used in hot and cold shock tests, but the existing hot and cold shock test chambers still have certain defects when used.

[0003] The defects of the thermal shock test chamber in the prior art are:

[0004] At present, patent document CN219777543U discloses a hot and cold shock test chamber, comprising an equipment shell, a side panel is provided on the front side of the equipment shell, the inner top wall and the inner bottom wall side panel positions of the equipment shell are fixedly connected with fixed blocks, the upper and lower sides of the side panel are provided with fixed slots, two groups of fixed slots slide on the two groups of fixed blocks, a door panel is provided on the right side of the equipment shell, the upper and lower inner walls of the equipment shell are provided with sliding slots near the door panel, the upper and lower sides of the door panel are fixedly connected with sliding blocks, the two groups of sliding blocks slide on the two groups of sliding slots, the interiors of the two groups of thread holes are threaded with screws, the two groups of nuts are taken out from the through holes and the thread holes, the door panel is pushed forward, the sliding blocks on the upper and lower sides of the door panel slide out of the sliding slots, and then the side panel is pushed to the right to slide out from the fixed blocks, thereby solving the problem that the staff needs to spend a lot of time to disassemble the equipment.

[0005] When the hot and cold shock test chamber in the above document is in use, the sliding blocks on the upper and lower sides of the door panel are made to slide out of the sliding slots, and then the side panel is pushed to the right to slide out of the fixed block, thereby solving the problem that the staff needs to spend a lot of time to disassemble the equipment. However, when in use, the cold air and hot air inside the hot and cold shock test chamber are difficult to replace quickly, resulting in poor experimental effect of the hot and cold shock test chamber on the experimental samples. After the experiment, it is inconvenient for the staff to take out the experimental samples inside the hot and cold shock test chamber, reducing the work efficiency of the staff. Utility Model Content

[0006] The purpose of the utility model is to provide a thermal shock test box to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hot and cold shock test box, comprising a hot and cold shock test box main body, a heating box fixedly connected to the bottom of the hot and cold shock test box main body, a refrigeration box fixedly connected to the top of the hot and cold shock test box main body, installation boxes fixedly connected to the outer walls on both sides of the hot and cold shock test box main body, a second ventilation duct penetratingly installed on the inner side of the installation box, a second electric valve provided on the outer wall of the second ventilation duct, an exhaust fan fixedly connected to the interior of the installation box, a support frame fixedly connected to the inner wall of the hot and cold shock test box main body, and a placement frame slidably connected to the inner side of the support frame.

[0008] As a preferred technical solution of the utility model, a heater is fixedly connected inside the heating box, and a refrigerator is fixedly connected inside the refrigeration box.

[0009] As a preferred technical solution of the utility model, a first ventilation duct is installed through the interior of the heating box and the refrigeration box, a first electric valve is provided on the outer wall of the first ventilation duct, and an intake fan is fixedly connected to the interior of the heating box and the refrigeration box.

[0010] As a preferred technical solution of the utility model, the outer wall of the main body of the thermal shock test box is provided with a protective door, and the bottom of the heating box is fixedly connected with a universal wheel.

[0011] As a preferred technical solution of the utility model, the inner top wall and the inner bottom wall of the thermal shock test box body are fixedly connected with an air guide cover, and the outer wall of the air guide cover is provided with a plurality of ventilation holes.

[0012] As a preferred technical solution of the utility model, the outer wall of the support frame is fixedly connected to the connecting frame, the outer wall of the placement frame is fixedly connected to the limiting block, and the limiting block is slidably connected to the inner side of the connecting frame.

[0013] As a preferred technical solution of the utility model, the inner side wall of the placement rack is fixedly connected with a support plate, and the inner side of the top of the support plate is provided with a support net.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model starts the second electric valve and the exhaust fan. When the exhaust fan is running, the hot air and the cold air inside the main body of the cold and hot shock test box can be discharged through the second ventilation duct, so that the cold air and the hot air inside the main body of the cold and hot shock test box can be quickly replaced, thereby improving the experimental effect of the cold and hot shock test box on the experimental samples. After the experiment, the inside of the cold and hot shock test box can be quickly restored to normal temperature, which is convenient for the staff to take out the experimental samples inside the cold and hot shock test box, thereby improving the work efficiency of the staff.

[0016] 2. The utility model ensures the stability of the connection between the placement rack and the support rack by sliding the limit block on the inner side of the connection rack, and makes it convenient for the staff to disassemble the placement rack and place and remove the experimental samples on the placement rack. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the main structure of the thermal shock test chamber of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the placement rack of the utility model;

[0020] Figure 4 It is a schematic diagram of the cross-sectional structure of the main body of the thermal shock test box of the present utility model.

[0021] In the figure: 1. Hot and cold shock test box body; 2. Heating box; 3. Universal wheel; 4. Refrigeration box; 5. Heater; 6. Refrigerator; 7. First ventilation duct; 8. First electric valve; 9. Inlet fan; 10. Air guide cover; 11. Installation box; 12. Second ventilation duct; 13. Second electric valve; 14. Exhaust fan; 15. Support frame; 16. Connecting frame; 17. Placement frame; 18. Support net; 19. Limit block; 20. Protective door. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figures 1 to 4 , a thermal shock test chamber:

[0024] The utility model comprises a main body 1 of the cold and hot shock test box, the bottom of which is fixedly connected with a heating box 2, the top of which is fixedly connected with a refrigeration box 4, the outer walls on both sides of the main body 1 of the cold and hot shock test box are fixedly connected with installation boxes 11, a second ventilation pipe 12 is installed through the inner side of the installation box 11, a second electric valve 13 is arranged on the outer wall of the second ventilation pipe 12, an exhaust fan 14 is fixedly connected inside the installation box 11, a support frame 15 is fixedly connected with the inner wall of the main body 1 of the cold and hot shock test box, and a placement frame 17 is slidably connected to the inner side of the support frame 15.

[0025] When the experimental samples are subjected to the hot and cold shock test, the experimental samples are placed on the placement rack 17, the interior of the hot and cold shock test box body 1 can be heated by the heating box 2, and the interior of the hot and cold shock test box body 1 can be cooled by the refrigeration box 4, so as to perform the hot and cold shock test on the experimental samples. The installation box 11 can provide an installation position for the exhaust fan 14. When the hot and cold shock tests are performed alternately, the second electric valve 13 and the exhaust fan 14 are started. When the exhaust fan 14 is running, the hot air and the cold air inside the hot and cold shock test box body 1 can be discharged through the second ventilation duct 12, so that the cold air and the hot air inside the hot and cold shock test box body 1 are difficult to be replaced quickly.

[0026] In a preferred embodiment, a heater 5 is fixedly connected inside the heating box 2 , and a refrigerator 6 is fixedly connected inside the refrigeration box 4 .

[0027] The interior of the heating box 2 can be heated by the heater 5, and the interior of the refrigeration box 4 can be cooled by the refrigerator 6. Both the heater 5 and the refrigerator 6 are existing equipment.

[0028] In a preferred embodiment, a first ventilation duct 7 is installed through the interior of the heating box 2 and the refrigeration box 4, a first electric valve 8 is provided on the outer wall of the first ventilation duct 7, and an air intake fan 9 is fixedly connected to the interior of the heating box 2 and the refrigeration box 4.

[0029] The opening of the first ventilation duct 7 can be controlled by the first electric valve 8. When hot air and cold air are transported to the inside of the hot and cold shock test box main body 1, the first electric valve 8 is started, and then the air inlet fan 9 is started, so that the air inlet fan 9 can quickly transport the hot air and cold air inside the heating box 2 and the refrigeration box 4 to the inside of the hot and cold shock test box main body 1.

[0030] In a preferred embodiment, a protective door 20 is provided on the outer wall of the thermal shock test box body 1 , and a universal wheel 3 is fixedly connected to the bottom of the heating box 2 .

[0031] The front of the thermal shock test box body 1 can be covered by the protective door 20 to ensure the sealing of the thermal shock test box body 1 . The universal wheels 3 can facilitate the staff to move the thermal shock test box body 1 .

[0032] In a preferred embodiment, the inner top wall and the inner bottom wall of the thermal shock test box body 1 are both fixedly connected with an air guide cover 10, and the outer wall of the air guide cover 10 is provided with a plurality of ventilation holes.

[0033] The hot air and the cold air entering the thermal shock test box body 1 can be uniformly ejected through the air guide cover 10 and the ventilation holes, so that the hot air and the cold air can better test the experimental samples.

[0034] In a preferred embodiment, the outer wall of the support frame 15 is fixedly connected to the connecting frame 16 , the outer wall of the placement frame 17 is fixedly connected to the limiting block 19 , and the limiting block 19 is slidably connected to the inner side of the connecting frame 16 .

[0035] The limit block 19 is slidably connected to the inner side of the connecting frame 16 to ensure the stability of the connection between the placement frame 17 and the support frame 15, and it is convenient for the staff to disassemble the placement frame 17 and place and remove the experimental samples on the placement frame 17 later.

[0036] In a preferred embodiment, the inner side wall of the placement rack 17 is fixedly connected with a support plate, and a support net 18 is arranged on the inner side of the top of the support plate.

[0037] The placement rack 17 can provide a placement position for the experimental sample, and the support plate and the support net 18 can support the experimental sample, so that the experimental sample can normally undergo the thermal shock test.

[0038] Working principle,

[0039] When the experimental samples are subjected to the hot and cold shock test, the experimental samples are placed on the placement rack 17, and the opening of the first ventilation duct 7 can be controlled by the first electric valve 8. When the hot air and the cold air are transported to the inside of the hot and cold shock test box body 1, the first electric valve 8 is started, and then the air inlet fan 9 is started, so that the air inlet fan 9 can quickly transport the hot air and the cold air inside the heating box 2 and the refrigeration box 4 to the inside of the hot and cold shock test box body 1, so as to perform the hot and cold shock test on the experimental samples. The installation box 11 can provide an installation position for the exhaust fan 14. When the hot and cold shock test is performed alternately, the second electric valve 13 and the exhaust fan 14 are started. When the exhaust fan 14 is running, the hot air and the cold air inside the hot and cold shock test box body 1 can be discharged through the second ventilation duct 12, so that the cold air and the hot air inside the hot and cold shock test box body 1 are difficult to be replaced quickly.

[0040] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A thermal shock test chamber, comprising a thermal shock test chamber body (1), characterized in that: The bottom of the thermal shock test box body (1) is fixedly connected to a heating box (2), the top of the thermal shock test box body (1) is fixedly connected to a refrigeration box (4), the outer walls on both sides of the thermal shock test box body (1) are fixedly connected to installation boxes (11), a second ventilation pipe (12) is installed through the inner side of the installation box (11), the outer wall of the second ventilation pipe (12) is provided with a second electric valve (13), the interior of the installation box (11) is fixedly connected to an exhaust fan (14), the inner wall of the thermal shock test box body (1) is fixedly connected to a support frame (15), and the inner side of the support frame (15) is slidably connected to a placement frame (17).

2. A thermal shock test chamber according to claim 1, characterized in that: A heater (5) is fixedly connected inside the heating box (2), and a refrigerator (6) is fixedly connected inside the refrigeration box (4).

3. A thermal shock test chamber according to claim 1, characterized in that: A first ventilation pipe (7) is installed through the interior of the heating box (2) and the refrigeration box (4); a first electric valve (8) is provided on the outer wall of the first ventilation pipe (7); and an air intake fan (9) is fixedly connected to the interior of the heating box (2) and the refrigeration box (4).

4. A thermal shock test chamber according to claim 1, characterized in that: The outer wall of the thermal shock test box body (1) is provided with a protective door (20), and the bottom of the heating box (2) is fixedly connected with a universal wheel (3).

5. The thermal shock test chamber according to claim 1, characterized in that: The inner top wall and the inner bottom wall of the thermal shock test box body (1) are both fixedly connected with an air guide cover (10), and the outer wall of the air guide cover (10) is provided with a plurality of ventilation holes.

6. The thermal shock test chamber according to claim 1, characterized in that: The outer wall of the support frame (15) is fixedly connected to a connecting frame (16), the outer wall of the placement frame (17) is fixedly connected to a limiting block (19), and the limiting block (19) is slidably connected to the inner side of the connecting frame (16).

7. The thermal shock test chamber according to claim 1, characterized in that: The inner side wall of the placement rack (17) is fixedly connected to a support plate, and a support net (18) is arranged on the inner side of the top of the support plate.

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