Hot and cold impact test box with uniform temperature distribution

Abstract

The utility model relates to the technical field of hot and cold shock tests, in particular to a hot and cold shock test box with uniform temperature distribution, which comprises a box body, a plate is rotatably connected in the box body, and a plurality of cylinders are fixedly connected to the lower end of the plate; and the air pump is arranged in the box body, the output end of the air pump is fixedly connected with a pipeline, and the pipeline communicates with the interiors of the plates. When a heat flow impact test needs to be carried out on a product, the heating pipe arranged in one notch heats airflow through the first connecting pipe, then heat flow in the cavity is sucked into the cavity through the air pump and the pipeline, the heat flow is sprayed out through the multiple holes formed in the side wall of the cylinder, and the heat flow impact test is carried out on the product to be tested. The motor drives the gear II to rotate, so that the rod body drives the plate and the plurality of cylinders to rotate, a heat flow impact test can be uniformly performed on a product, and the situation that the product cannot be uniformly tested during the heat flow impact test of the product is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal shock tests, in particular to a thermal shock test box with uniform temperature distribution. Background Art

[0002] Thermal shock test chamber is an essential testing product for metal, plastic, rubber, electronics and other material industries. It is used to test the material structure or composite material to see how much it can endure in a continuous environment from high temperature to low temperature in an instant, and to detect chemical changes or physical damage caused by thermal expansion and contraction of the sample in the shortest time.

[0003] After searching, the utility model patent with Chinese patent publication number CN219915254U discloses a hot and cold shock test box, which includes a box body and a heater. The box body is provided with a high temperature chamber, a test chamber and a low temperature chamber. The front side wall of the box body is provided with a box door, the side wall of the inner cavity of the high temperature chamber is provided with a heater and a first fan, the left side wall of the inner cavity of the test chamber is provided with a first air inlet duct, one end of the first air inlet duct is connected to the high temperature chamber, the inner wall of the low temperature chamber is provided with a refrigerator and a second fan, and the right side wall of the inner cavity of the test chamber is provided with a second air inlet duct. In this application document, during the hot and cold shock test box experiment, the test space is reduced according to the use requirements, which is convenient for switching hot and cold shocks, convenient for testing, and improves the test efficiency of the specimen.

[0004] After searching the above patent, it was found that the hot and cold shock conversion was processed, but the airflow in the device was transported to the inside of the test chamber through two air inlet ducts to carry out the impact test on the product. The impact test on the product can only be carried out when the airflow fully flows into the test chamber, which causes the temperature in the hot and cold shock test chamber to change. The temperature inside the hot and cold shock test chamber cannot be guaranteed to be evenly distributed, which affects the test results. Utility Model Content

[0005] The utility model aims to provide a hot and cold shock test box with uniform temperature distribution, which can facilitate the uniform hot and cold shock test of products, so as to solve the problem in the prior art that it is not convenient to perform uniform hot and cold shock test on products.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A hot and cold shock test box with uniform temperature distribution comprises a box body, a plate is rotatably connected inside the box body, a plurality of cylinders are fixedly connected to the lower end of the plate, and a bearing plate is fixedly connected to the inner bottom of the box body; an air pump is arranged inside the box body, a pipeline is fixedly connected to the output end of the air pump, and the pipeline is communicated with the inside of the plate, slots are opened on both sides of the box body, a plurality of heating tubes and a plurality of cooling tubes are respectively fixedly connected inside the two slots, and the input end of the air pump is communicated with the two slots.

[0008] Preferably, a cavity is provided inside the plate, the lower end of the pipe is connected with the upper end of the cavity, the upper end of the column is connected with the cavity, and a plurality of holes are equidistantly provided on the side wall of the column.

[0009] Preferably, a rod body is fixedly connected to the upper end of the plate, the pipe is rotatably connected to the rod body and the plate, a gear one is fixedly connected to the side wall of the rod body, a motor is fixedly connected to the inside of the box body, a gear two is fixedly connected to the output end of the motor, and the gear two is meshed with the gear one.

[0010] Preferably, a cavity is provided inside the box body, a connecting pipe 1 is connected between one side of the cavity and one of the slots, a connecting pipe 2 is connected between the other side of the cavity and the other slot, and the air pump input end is connected to the cavity.

[0011] Preferably, valves are provided inside the connecting pipe 1 and the connecting pipe 2, and filter screens are fixedly connected to the two slot opening ends by bolts.

[0012] Preferably, the side wall of the box body is hinged with two sealed doors through hinges, an observation port is provided inside the sealed door, and a transparent acrylic plate is fixedly connected inside the observation port.

[0013] Compared with the prior art, the advantages of the utility model are:

[0014] 1. When it is necessary to conduct a thermal shock test on the product, the internal valve of the connecting pipe 2 is closed, and the heating pipe arranged in one of the slots is used to heat the airflow through the connecting pipe 1. The heated airflow flows into the cavity, and then the heat flow in the cavity is sucked into the cavity through the air pump and the pipeline. The heat flow flowing in the cavity flows into the interior of multiple columns and is ejected through multiple holes arranged on the side walls of the columns. The product to be tested is subjected to a thermal shock test, and at the same time, the motor drives the gear 2 to rotate. The rotation of the gear 2 drives the gear 3 to rotate at the same time, so that the rod drives the plate and multiple columns to rotate, so that the airflow ejected from the column can evenly perform the thermal shock test on the product, thereby avoiding the problem that the product cannot be evenly tested during the thermal shock test.

[0015] 2. When it is necessary to conduct a cooling test on the product, the internal valve of connecting pipe 1 is closed, and the refrigeration pipe arranged inside the other slot is used to cool the airflow through connecting pipe 2. The cooled airflow flows into the cavity, and then the cold flow inside the cavity is sucked into the cavity through the air pump and the pipeline. The cold flow flowing in the cavity flows into multiple columns and is sprayed out through multiple holes arranged on the side walls of the columns to conduct a uniform cold flow impact test on the product, so as to avoid the problem of uneven testing of the product during the cold flow impact test. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model provides a schematic diagram of the external structure of a hot and cold shock test box with uniform temperature distribution.

[0017] Figure 2 The utility model provides a cross-sectional structural schematic diagram of a hot and cold shock test chamber with uniform temperature distribution.

[0018] Figure 3 The utility model discloses a schematic diagram of the internal parts structure of a hot and cold shock test box with uniform temperature distribution.

[0019] In the figure: 1 box body, 2 plate, 3 cavity, 4 cylinder, 5 hole, 6 bearing plate, 7 rod body, 8 gear 1, 9 gear 2, 10 motor, 11 air pump, 12 cavity, 13 notch, 14 connecting pipe 1, 15 connecting pipe 2, 16 heating pipe, 17 cooling pipe, 18 filter screen, 19 sealing door. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-3 A hot and cold shock test box with uniform temperature distribution comprises a box body 1, a plate 2 is rotatably connected inside the box body 1, a plurality of cylinders 4 are fixedly connected to the lower end of the plate 2, and a bearing plate 6 is fixedly connected to the bottom of the box body 1; an air pump 11 is arranged inside the box body 1, and a pipeline is fixedly connected to the output end of the air pump 11, and the pipeline is connected to the inside of the plate 2. Slots 13 are opened on both sides of the box body 1, and a plurality of heating pipes 16 and a plurality of refrigeration pipes 17 are fixedly connected inside the two slots 13 respectively, and the input end of the air pump 11 is connected to the two slots 13. The operator installs the product to be tested on the upper end of the bearing plate 6, and the airflow flowing inside the plate 2 flows into the interior of the plurality of cylinders 4, and the airflow inside the plate 2 is guided out through the plurality of cylinders 4 to perform hot and cold shock tests on the product, and at the same time, the plurality of cylinders 4 are driven to rotate by the plate 2, so that the airflow ejected from the cylinder 4 can perform the impact test on the product evenly.

[0022] A cavity 3 is provided inside the plate 2, the lower end of the pipe is connected to the upper end of the cavity 3, the upper end of the column 4 is connected to the cavity 3, a plurality of holes 5 are equidistantly provided on the side wall of the column 4, and hot and cold air flows inside the cavity 3. The hot and cold air flows into the interior of the plurality of columns 4 and is ejected through the plurality of holes 5 provided on the side wall of the column 4.

[0023] A rod body 7 is fixedly connected to the upper end of the plate 2, and the pipeline is rotatably connected to the rod body 7 and the plate 2. A gear 1 8 is fixedly connected to the side wall of the rod body 7. A motor 10 is fixedly connected to the inside of the box body 1. A gear 2 9 is fixedly connected to the output end of the motor 10. The gear 2 9 is meshed with the gear 1 8, and the motor 10 drives the gear 2 9 to rotate. The rotation of the gear 2 9 drives the gear 2 9 to rotate at the same time, so that the rod body 7 drives the plate 2 to rotate.

[0024] A cavity 12 is provided inside the box body 1, and a connecting pipe 14 is connected between one side of the cavity 12 and one of the slots 13, and a connecting pipe 2 15 is connected between the other side of the cavity 12 and the other slot 13. The input end of the air pump 11 is connected to the cavity 12. When it is necessary to perform a heating test on the product, the heating pipe 16 provided inside one of the slots 13 is used to heat the airflow through the connecting pipe 14, and the heated airflow flows into the cavity 12, and then the hot flow inside the cavity 12 is sucked into the cavity 3 through the air pump 11 and the pipeline. At the same time, when it is necessary to perform a cooling test on the product, the refrigeration pipe 17 provided inside the other slot 13 is used to cool the airflow through the connecting pipe 2 15, and the cooled airflow flows into the cavity 12, and then the cold flow inside the cavity 12 is sucked into the cavity 3 through the air pump 11 and the pipeline.

[0025] Valves are provided inside the connecting pipe 14 and the connecting pipe 2 15, and the open ends of the two slots 13 are fixedly connected with filter screens 18 by bolts. By providing valves inside the connecting pipe 14 and the connecting pipe 2 15, the connecting pipe 14 and the connecting pipe 2 15 can be closed when they are not in use, and the airflow inside the slot 13 can be filtered by the installed filter screen 18.

[0026] Two sealed doors 19 are hingedly connected to the side wall of the box body 1 through hinges. An observation port is provided inside the sealed door 19. A transparent acrylic plate is fixedly connected inside the observation port, and the interior of the box body 1 can be observed through the transparent acrylic plate.

[0027] In the utility model, the operator installs the product to be tested on the upper end of the carrier plate 6. When the product needs to be subjected to a heat flow shock test, the internal valve of the connecting pipe 2 15 is closed, and the heating pipe 16 arranged inside one of the slots 13 is used to heat the airflow through the connecting pipe 14. The heated airflow flows into the cavity 12, and then the heat flow inside the cavity 12 is sucked into the cavity 3 through the air pump 11 and the pipeline. The heat flow flowing inside the cavity 3 flows into the interior of multiple cylinders 4 and is ejected through multiple holes 5 arranged on the side walls of the cylinders 4. The product to be tested is subjected to a heat flow shock test, and at the same time, the motor 10 drives the gear 2 9 to rotate. The gear 2 9 rotates and drives the gear 2 9 to rotate at the same time, so that the rod body 7 drives the plate 2 and the multiple cylinders 4 to rotate, so that the airflow ejected from the cylinder 4 can evenly perform a heat flow shock test on the product.

[0028] When it is necessary to conduct a cooling test on the product, the internal valve of the connecting pipe 14 is closed, and the refrigeration pipe 17 arranged inside the other slot 13 is used to cool the airflow through the connecting pipe 2 15. The cooled airflow flows into the cavity 12, and then the cold flow inside the cavity 12 is sucked into the cavity 3 through the air pump 11 and the pipeline. The cold flow flowing in the cavity 3 flows into the multiple columns 4 and is sprayed out through the multiple holes 5 arranged on the side walls of the columns 4, so as to conduct a uniform cold flow impact test on the product.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A hot and cold shock test chamber with uniform temperature distribution, characterized in that: include A box body (1), wherein a plate (2) is rotatably connected inside the box body (1), a plurality of cylinders (4) are fixedly connected to the lower end of the plate (2), and a bearing plate (6) is fixedly connected to the bottom of the box body (1); An air pump (11) is arranged inside the box (1); an output end of the air pump (11) is fixedly connected to a pipeline, and the pipeline is communicated with the inside of the plate (2); slots (13) are opened on both sides of the box (1); a plurality of heating pipes (16) and a plurality of cooling pipes (17) are respectively fixedly connected inside the two slots (13); and an input end of the air pump (11) is communicated with the two slots (13).

2. A thermal shock test chamber with uniform temperature distribution according to claim 1, characterized in that: A cavity (3) is arranged inside the plate (2), the lower end of the pipe is connected to the upper end of the cavity (3), the upper end of the column (4) is connected to the cavity (3), and a plurality of holes (5) are arranged at equal intervals on the side wall of the column (4).

3. The hot and cold shock test chamber with uniform temperature distribution according to claim 1, characterized in that: The upper end of the plate (2) is fixedly connected to a rod body (7), the pipeline is rotatably connected to the rod body (7) and the plate (2), the side wall of the rod body (7) is fixedly connected to a gear one (8), the interior of the box (1) is fixedly connected to a motor (10), the output end of the motor (10) is fixedly connected to a gear two (9), and the gear two (9) is meshed with the gear one (8).

4. The hot and cold shock test chamber with uniform temperature distribution according to claim 1, characterized in that: A cavity (12) is provided inside the box body (1); a connecting pipe (14) is connected between one side of the cavity (12) and one of the slots (13); a connecting pipe (15) is connected between the other side of the cavity (12) and the other slot (13); and an input end of the air pump (11) is in communication with the cavity (12).

5. A thermal shock test chamber with uniform temperature distribution according to claim 4, characterized in that: The connecting pipe 1 (14) and the connecting pipe 2 (15) are both provided with valves inside, and the opening ends of the two notches (13) are both fixedly connected with filter screens (18) by bolts.

6. The hot and cold shock test chamber with uniform temperature distribution according to claim 1, characterized in that: The side wall of the box body (1) is hinged with two sealed doors (19) through hinges, and an observation port is provided through the inside of the sealed door (19), and a transparent acrylic plate is fixedly connected to the inside of the observation port.

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