Spatial thermal vacuum simulation test equipment

Abstract

The utility model discloses space thermal vacuum simulation test equipment, which relates to the technical field of equipment test and comprises a test box, a rotating groove is arranged at the top of the test box, a controller is arranged on one side of the test box, a first sliding block is slidably connected in the rotating groove, a placing box is fixedly mounted at the top of the first sliding block, and a cover plate is arranged at the top of the placing box. The test box has the advantages that the movable door plate divides the test box into three spaces, the vacuum pump is started to vacuumize the interior of the test box through the flow dividing pipe, a vacuum state is formed, the semiconductor chilling plate is started to cool air, the temperature of the test box is reduced, and the temperature of the test box is reduced. The internal air temperature is reduced, so that low-temperature testing can be carried out on the element, the element is moved to the bottom of the mounting frame by means of movement of the placing box, heating can be carried out by means of a plurality of electric heating pipes arranged in the mounting frame, so that high-temperature testing can be directly carried out, and the testing efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of equipment test technology, and specifically to a space thermal vacuum simulation test equipment. BACKGROUND

[0002] Spacecraft works in the space environment of high vacuum and high and low temperature for a long time, is influenced by space environmental factors such as atomic oxygen and thermal cycle, and can cause the seal damage, pin fracture, inner lead bonding point disconnection of some components and ultimately failure. Therefore, the thermal vacuum test of key components in spacecraft is more and more common to avoid the loss of spacecraft caused by failure and improve the survivability, life and reliability of spacecraft.

[0003] And the vacuum box or low pressure box produced at present only completes single test function, needs certain cooling time when high and low temperature switching experiment is carried out, cannot heat or freeze fast for test components, which leads to further reduction of experimental efficiency, and therefore we propose a space thermal vacuum simulation test equipment. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a space thermal vacuum simulation test equipment, which solves the problems in the above background art.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a space thermal vacuum simulation test equipment, comprising a test box, a rotating groove is formed in the top of the test box, a controller is arranged on one side of the test box, a first sliding block is slidably connected in the rotating groove, a placing box is fixedly installed on the top of the first sliding block, a cover plate is arranged on the top of the placing box, a temperature sensor is arranged on the top of the cover plate, a through groove is formed in the outer side of the placing box, a first lead screw is rotatably connected in the rotating groove, a first motor is fixedly installed in the test box, the output end of the first motor is fixedly connected with one end of the first lead screw, the first lead screw cooperates with the first sliding block, a vacuum pump is fixedly installed on the top of the test box, a shunt pipe is fixedly connected with the input end of the vacuum pump, an electromagnetic valve is arranged on the outer side of the shunt pipe, two baffle plates are fixedly installed at the bottom of the test box.

[0006] Preferably, the second sliding block is slidably connected in the baffle plate, a movable door plate is fixedly installed at the bottom of the second sliding block, and a sealing plate is fixedly installed at the bottom of the movable door plate.

[0007] Preferably, a second lead screw is rotatably connected in the baffle plate, the second lead screw cooperates with the second sliding block, and a rotating shaft is fixedly connected with one end of the second lead screw.

[0008] Preferably, the outer side of the rotating shaft is sleeved with a worm gear, one side of the partition plate is fixedly installed with a second motor, the output end of the second motor is fixedly connected with a worm, and the worm is in meshing connection with the worm gear.

[0009] Preferably, the outer side of the test box is hingedly connected with a box door through a hinge, and the middle portion of the box door is installed with a semiconductor refrigerating sheet.

[0010] Preferably, the inside of the test box is fixedly installed with two mounting racks, and the inside of the mounting rack is fixedly installed with a plurality of electric heating pipes.

[0011] The space heat vacuum simulation test equipment has the following beneficial effects:

[0012] The space heat vacuum simulation test equipment has the following beneficial effects: The space heat vacuum simulation test equipment has the following beneficial effects:

[0013] Figure 1 It is a structural schematic view of the utility model;

[0014] Figure 2 It is an appearance view of the utility model;

[0015] Figure 3 It is an appearance view of the utility model Figure 1

[0016] In the figure: 1, test box; 2, temperature sensor; 3, first sliding block; 4, placing box; 5, cover plate; 6, through slot; 7, rotating groove; 8, first screw rod; 9, first motor; 10, box door; 16, vacuum pump; 17, shunt pipe; 18, partition plate; 19, electric heating pipe; 20, mounting rack; 21, sealing plate; 22, moving door plate; 23, second screw rod; 24, second motor; 25, second sliding block; 26, worm; 27, rotating shaft; 28, worm gear; 29, semiconductor refrigerating sheet. Specific implementation

[0017] ​Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments.

[0018] Embodiment one:

[0019] Please refer to Figures 1 to 3 The utility model provides technical scheme: space heat vacuum simulation test equipment, including test box 1, the top of test box 1 is set up with rotary groove 7, one side of test box 1 is provided with controller, the inside sliding connection of rotary groove 7 has first sliding block 3, the top fixed mounting of first sliding block 3 has placing box 4, the top of placing box 4 is provided with cover 5, the top of cover 5 is provided with temperature sensor 2, places test element to the inside of placing box 4, with the aid of temperature sensor 2 can test temperature detection, the outside of placing box 4 is set up with through slot 6, the inside rotary connection of rotary groove 7 has first lead screw 8, the inside fixed mounting of test box 1 has first motor 9, the output of first motor 9 is fixedly connected with one end of first lead screw 8, first lead screw 8 passes through first sliding block 3, and with first sliding block 3 intercoordination, starts first motor 9 and drives first lead screw 8 rotation and drives first sliding block 3 to move, adjusts the position of placing box 4, the top fixed mounting of test box 1 has vacuum pump 16, the input of vacuum pump 16 is fixedly connected with shunt pipe 17, the outside of shunt pipe 17 is provided with electromagnetic valve, starts vacuum pump 16 and forms vacuum state through shunt pipe 17 and makes the inside of test box 1 into vacuum, the bottom fixed mounting of test box 1 has two baffle plates 18;

[0020] The inside sliding connection of baffle plate 18 has second sliding block 25, the bottom fixed mounting of second sliding block 25 has moving door plate 22, the bottom fixed mounting of moving door plate 22 has sealing plate 21, utilizes second lead screw 23 and second sliding block 25 cooperation and drives moving door plate 22 to move, with the aid of moving door plate 22 and drives sealing plate 21 to move, can divide into three spaces,

[0021] The inside rotary connection of baffle plate 18 has second lead screw 23, second lead screw 23 and second sliding block 25 intercoordination, one end of second lead screw 23 is fixedly connected with rotating shaft 27, the outside fixed sleeve of rotating shaft 27 has worm wheel 28, one side fixed mounting of baffle plate 18 has second motor 24, the output of second motor 24 is fixedly connected with worm 26, worm 26 and worm wheel 28 meshing connection, through second motor 24 and drives worm 26 rotation and meshing connection with worm wheel 28 and drives rotating shaft 27 rotation, utilizes rotating shaft 27 rotation and can drive second lead screw 23 to rotate;

[0022] The outside of the test box 1 is hinged with a box door 10 through a hinge, the middle part of the box door 10 is provided with a semiconductor refrigerating sheet 29, the cold end of the semiconductor refrigerating sheet 29 is in contact with the internal space of the test box 1, the hot end extends to the outside of the box door 10, and a fan can be used to radiate heat from the hot end of the semiconductor refrigerating sheet 29 (not shown in the figure) in use. The internal air temperature is reduced by starting the semiconductor refrigerating sheet 29 to cool the air, so that the component can be tested at low temperature.

[0023] The inside of the test box 1 is fixedly provided with two mounting racks 20, and a plurality of electric heating pipes 19 are fixedly arranged in the mounting racks 20. The plurality of electric heating pipes 19 arranged in the mounting racks 20 can be used for heating, so that the high-temperature test can be directly carried out, and the test efficiency is further improved.

[0024] In summary, the space thermal vacuum simulation test equipment, when in use, first, the component is placed in the inside of the placing box 4, when cooling, the first motor 9 is started to drive the first lead screw 8 to rotate and drive the first sliding block 3 to move, the position of the placing box 4 is adjusted, after the adjustment is completed, the second motor 24 is started to drive the worm 26 to rotate and mesh with the worm gear 28 to drive the rotating shaft 27 to rotate, the rotating shaft 27 is used to drive the second lead screw 23 to rotate, the second lead screw 23 is used to drive the moving door plate 22 to move in cooperation with the second sliding block 25, the sealing plate 21 is moved by the moving door plate 22, the test box 1 is divided into three spaces, the vacuum pump 16 is started to form a vacuum state by the shunt pipe 17, when the vacuum state is formed, the semiconductor refrigerating sheet 29 is started to cool the air and reduce the internal air temperature, the cooling work is carried out, after the cooling is completed, the placing box 4 is moved to the bottom of the mounting rack 20, then the space is re-divided, after the division is completed, the plurality of electric heating pipes 19 arranged in the mounting rack 20 are started to heat, the high-temperature test is completed, the temperature sensor 2 is used to detect the test temperature and then the temperature data is transmitted to the controller, and the worker can control.

[0025] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. Space thermal vacuum simulation test apparatus comprising a test chamber (1), characterized in that: The top of the test box (1) is provided with a rotating groove (7), one side of the test box (1) is provided with a controller, the inside of the rotating groove (7) is slidably connected with a first sliding block (3), the top of the first sliding block (3) is fixedly installed with a placing box (4), the top of the placing box (4) is provided with a cover plate (5), the top of the cover plate (5) is provided with a temperature sensor (2), the outside of the placing box (4) is provided with a through groove (6), the inside of the rotating groove (7) is rotatably connected with a first lead screw (8), the inside of the test box (1) is fixedly installed with a first motor (9), the output end of the first motor (9) is fixedly connected with one end of the first lead screw (8), the first lead screw (8) cooperates with the first sliding block (3), the top of the test box (1) is fixedly installed with a vacuum pump (16), the input end of the vacuum pump (16) is fixedly connected with a shunt pipe (17), the outside of the shunt pipe (17) is provided with a electromagnetic valve, the bottom of the test box (1) is fixedly installed with two partition plates (18).

2. The space thermal vacuum simulation test apparatus according to claim 1, characterized by: The inside of the partition plate (18) is slidably connected with a second sliding block (25), the bottom of the second sliding block (25) is fixedly installed with a moving door plate (22), the bottom of the moving door plate (22) is fixedly installed with a sealing plate (21).

3. The space thermal vacuum simulation test facility of claim 1, wherein: The inside of the partition plate (18) is rotatably connected with a second lead screw (23), the second lead screw (23) cooperates with the second sliding block (25), one end of the second lead screw (23) is fixedly connected with a rotating shaft (27).

4. The space thermal vacuum simulation test apparatus according to claim 3, characterized by: The outside of the rotating shaft (27) is fixedly sleeved with a worm wheel (28), one side of the partition plate (18) is fixedly installed with a second motor (24), the output end of the second motor (24) is fixedly connected with a worm gear (26), the worm gear (26) is meshedly connected with the worm wheel (28).

5. The space thermal vacuum simulation test facility of claim 1, wherein: The outside of the test box (1) is hingedly connected with a box door (10), the middle of the box door (10) is installed with a semiconductor refrigeration sheet (29).

6. The space thermal vacuum simulation test apparatus according to claim 5, characterized by: The inside of the test box (1) is fixedly installed with two mounting frames (20), the inside of the mounting frame (20) is fixedly installed with a plurality of electric heating pipes (19).

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