Temperature control structure and high-temperature reverse bias testing machine

Abstract

The utility model discloses a temperature control structure and a high temperature reverse bias testing machine, belonging to the temperature control technology field, the temperature control structure comprises a box body and a refrigerating machine, the top end of the box body is fixedly provided with the refrigerating machine, the output end of the refrigerating machine is fixedly connected with a shunting box, and two sides of the shunting box are symmetrically and fixedly provided with conveying pipes. Supporting pipes are symmetrically and fixedly installed on the two sides of the box body, one end of the conveying pipe is fixedly connected with one end of each supporting pipe, an air outlet pipe is rotatably installed at the other end of each supporting pipe, one end of each air outlet pipe is arranged in a sealed mode and penetrates through one side of the box body in a sliding mode, and air outlet holes are symmetrically formed in the outer side of each air outlet pipe; partition plates are symmetrically and fixedly installed on the inner wall of the box body, a plurality of air outlets are formed in the partition plates, sealing assemblies matched with the partition plates are installed on one sides of the partition plates in a sliding mode, cold air can be evenly blown into the box body from the two sides through the device, and therefore the uniformity of the cold air is improved, and the cooling efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of temperature control, in particular to a temperature control structure and a high-temperature reverse bias testing machine. Background Art

[0002] At present, the high temperature reverse bias tester is to place the diode or other components to be tested, such as VD or MOS, in a high temperature test box, so that the temperature in the high temperature test box reaches the set value, and a certain reverse DC voltage is applied to the tested components to test the reliability of each component, and at the same time detect high temperature leakage current, voltage and other parameters. However, the high temperature reverse bias tester has a high temperature during the working process, and most of the high temperature reverse bias testers have poor cooling and heat dissipation capabilities. If the internal electrical components cannot be cooled and cooled in time, they are prone to high temperature damage and there are certain safety hazards.

[0003] In the prior art, there is a temperature control device for a high-temperature reverse bias tester with application number CN202223227573.7, which belongs to the field of electronic technology. In order to cool and control the temperature of a working chamber to keep its temperature stable, a refrigerator is provided on the working chamber, and the working chamber and the refrigerator are interconnected, and both the working chamber and the refrigerator are connected to the chassis wires so that they are regulated by the chassis. The refrigerator can cool the working chamber through the chassis to stabilize the temperature in the working chamber and ensure that the working chamber can operate normally. An opening and closing mechanism is also provided in the working chamber, and the working chamber is connected to the refrigerator through the opening and closing mechanism. The opening and closing mechanism prevents condensed water caused by the refrigerator from entering the working chamber, thereby causing damage to the working chamber.

[0004] However, in the solutions in the above-mentioned prior art, when cooling, cold air can only flow downward from the top of the working chamber, and the cold air flows in a single direction, resulting in low uniformity, and it is impossible to quickly and evenly cool the working chamber, thereby reducing the cooling efficiency. Utility Model Content

[0005] In order to make up for the above deficiencies, the utility model provides a temperature control structure and a high-temperature reverse bias test machine, which aims to improve the problem that the cold air flows in a single direction, resulting in low uniformity and inability to quickly and evenly cool the working chamber, thereby reducing the cooling efficiency.

[0006] In the first aspect, the utility model provides a temperature control structure, including a box body and a refrigerator, the refrigerator is fixedly installed on the top of the box body, the output end of the refrigerator is fixedly connected to a diversion box, delivery pipes are symmetrically fixedly installed on both sides of the diversion box, support pipes are symmetrically fixedly installed on both sides of the box body, one end of the delivery pipe is fixedly connected to one end of the support pipe, and an air outlet pipe is rotatably installed on the other end of the support pipe, one end of the air outlet pipe is sealed and slides through one side of the box body, air outlet holes are symmetrically arranged on the outside of the air outlet pipe, partitions are symmetrically fixedly installed on the inner wall of the box body, a plurality of air outlets are arranged on the partitions, and a sealing component matching the partitions is slidably installed on one side of the partitions.

[0007] In the preferred technical solution of the utility model, a guide block is fixedly installed in the diverter box, and both sides of the bottom end of the guide block are inclined.

[0008] In the preferred technical solution of the present utility model, the partition and the inner wall of the box body form an air guide cavity, the air outlet duct is arranged in the air guide cavity, a sealing ring is fixedly installed on the outside of the air outlet duct, a sealing groove matching the sealing ring is arranged on the inner wall of the support tube, the sealing ring is slidably connected to the inner wall of the sealing groove, and an observation window is arranged on one side of the box body.

[0009] In the preferred technical solution of the utility model, a rotating shaft is fixedly installed on one side of the inner wall of the air outlet duct, one end of the rotating shaft extends into the support tube, a fan is fixedly installed outside the rotating shaft, and the fan is arranged in the support tube.

[0010] In the preferred technical solution of the utility model, a plurality of support rods are fixedly installed in an annular shape on the inner wall of the support tube, a round block is fixedly installed at one end of the plurality of support rods, and one end of the rotating shaft is rotatably connected to one side of the round block.

[0011] In the preferred technical solution of the present utility model, the sealing assembly includes a support frame and a baffle, the support frame is slidably connected to the inner wall of the box, a plurality of baffles are fixedly installed between the two sides of the inner wall of the support frame, the baffle is sealingly and slidably connected to one side of the partition, the baffle has the same shape as the air outlet and is equidistantly arranged, an adjustment assembly is installed on one side of the support frame, the two sides of one end of the baffle are inclined, a guide rod is fixedly installed between the two sides of the inner wall of the box, the support frame is slidably installed on the guide rod, and the movement of the support frame can cause the baffle to interlace with the air outlet or seal it.

[0012] In the preferred technical solution of the utility model, the adjustment assembly includes a pull rod, a threaded rod and a turntable, a plurality of the pull rods are fixedly installed on one side of the support frame, one end of the pull rod slides through one side of the box body and is fixedly installed on the side plate, a connecting plate is fixedly installed between the two side plates, the threaded rod is rotatably installed on one side of the box body, the turntable is fixedly installed on one end of the threaded rod, the connecting plate is threadedly installed on the threaded rod, and the threaded rod is arranged at the center of the connecting plate.

[0013] In a second aspect, the utility model further provides a high temperature reverse bias tester, comprising the above-mentioned temperature control structure and a tester body.

[0014] The beneficial effects of the utility model are as follows: the temperature control structure and high-temperature reverse deflection testing machine obtained by the utility model through the above design, when the temperature needs to be lowered, the turntable is rotated to drive the threaded rod to rotate, and the rotation of the threaded rod drives the support frame to move through the connecting plate, the side plate and the pull rod, and the movement of the support frame drives the baffle to move to be staggered with the air outlet, and the refrigerator is started to output cold air to the diversion box, and the cold air enters the support pipe through the delivery pipe. The flow rate of the cold air drives the fan to rotate, and the fan drives the air outlet pipe to rotate through the rotating shaft. The rotation of the air outlet pipe makes the cold air pass through the air outlet pipe and then be evenly blown into the air guide cavity through the air outlet hole, and finally the cold air is blown into the box body through the air outlet. This device can blow the cold air evenly from both sides into the box body, thereby increasing the uniformity of the cold air and improving the cooling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a structural schematic diagram of a temperature control structure provided by an embodiment of the utility model;

[0017] Figure 2 A cross-sectional view of a box body is provided for an embodiment of the utility model;

[0018] Figure 3 A cross-sectional view of a shunt box is provided for an embodiment of the utility model;

[0019] Figure 4 A cross-sectional view of a support pipe and an air outlet pipe is provided for an embodiment of the utility model;

[0020] Figure 5 A structural schematic diagram of a sealing assembly is provided for an embodiment of the utility model;

[0021] Figure 6 A partial structural schematic diagram of a sealing assembly is provided for an embodiment of the utility model.

[0022] In the figure: 110-box; 111-partition; 120-refrigeration machine; 121-diverter box; 122-delivery pipe; 123-guide block; 130-support pipe; 131-air outlet pipe; 132-air outlet hole; 133-sealing ring; 134-rotating shaft; 135-fan; 136-support rod; 137-round block; 140-support frame; 141-baffle; 150-pull rod; 151-threaded rod; 152-turntable; 153-side plate; 154-connecting plate. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 4 The utility model provides a technical solution: a temperature control structure, including a box body 110 and a refrigerator 120, the refrigerator 120 is fixedly installed on the top of the box body 110, the output end of the refrigerator 120 is fixedly connected to the shunt box 121, and the delivery pipes 122 are symmetrically fixedly installed on both sides of the shunt box 121, and the support pipes 130 are symmetrically fixedly installed on both sides of the box body 110, one end of the delivery pipe 122 is fixedly connected to one end of the support pipe 130, and the other end of the support pipe 130 is rotatably installed with an air outlet pipe 131, one end of the air outlet pipe 131 is sealed and slides through one side of the box body 110, and air outlet holes 132 are symmetrically arranged on the outside of the air outlet pipe 131, and a partition 111 is symmetrically fixedly installed on the inner wall of the box body 110, and a plurality of air outlets are arranged on the partition 111. A sealing component matching with the partition 111 is slidably installed on one side of the partition 111.

[0025] In some specific implementation schemes, a guide block 123 is fixedly installed in the diverter box 121 , and both sides of the bottom end of the guide block 123 are inclined to facilitate the cold air blown out of the refrigerator 120 to be evenly blown into the two delivery pipes 122 .

[0026] In some specific implementation schemes, the partition 111 and the inner wall of the box body 110 form an air guide cavity, the air outlet pipe 131 is arranged in the air guide cavity, a sealing ring 133 is fixedly installed on the outer side of the air outlet pipe 131, and a sealing groove matching the sealing ring 133 is provided on the inner wall of the support tube 130, the sealing ring 133 is slidably connected to the inner wall of the sealing groove, a rotating shaft 134 is fixedly installed on one side of the inner wall of the air outlet pipe 131, one end of the rotating shaft 134 extends into the support tube 130, and a fan 135 is fixedly installed on the outer side of the rotating shaft 134, and the fan 135 is arranged in the support tube 130. The rotation of the fan 135 drives the air outlet hole 132 to rotate, so that the cold air enters the air guide cavity evenly and is then discharged from the air outlet, so that the blowing range of the cold air is larger and more uniform.

[0027] In some specific implementation schemes, multiple support rods 136 are fixedly installed in a ring shape on the inner wall of the support tube 130, and a round block 137 is fixedly installed at one end of the multiple support rods 136. One end of the rotating shaft 134 is rotatably connected to one side of the round block 137. The cooperation between the round block 137 and the rotating shaft 134 improves the stability of the fan 135 during rotation.

[0028] See also Figure 5 and Figure 6 The sealing component includes a support frame 140 and a baffle 141. The support frame 140 is slidably connected to the inner wall of the box body 110. A plurality of baffles 141 are fixedly installed between the two sides of the inner wall of the support frame 140. The baffle 141 is sealed and slidably connected to one side of the partition 111. The baffle 141 has the same shape as the air outlet and is arranged equidistantly. An adjustment component is installed on one side of the support frame 140. Both sides of one end of the baffle 141 are inclined. A guide rod is fixedly installed between the two sides of the inner wall of the box body 110. The support frame 140 is slidably installed on the guide rod. The movement of the support frame 140 can make the baffle 141 intersect with the air outlet or seal it.

[0029] In some specific embodiments, the adjustment component includes a pull rod 150, a threaded rod 151 and a turntable 152. Multiple pull rods 150 are fixedly installed on one side of the support frame 140. One end of the pull rod 150 slides through one side of the box body 110 and is fixedly installed on a side plate 153. A connecting plate 154 is fixedly installed between the two side plates 153. The threaded rod 151 is rotatably installed on one side of the box body 110. The turntable 152 is fixedly installed on one end of the threaded rod 151. The connecting plate 154 is threadedly installed on the threaded rod 151. The threaded rod 151 is set at the center of the connecting plate 154, which is convenient for adjusting the movement of the support frame 140, thereby controlling the opening or sealing of the air outlet.

[0030] The embodiment of the utility model further provides a high temperature reverse bias tester, comprising the above-mentioned temperature control structure and a tester body.

[0031] Working principle: when cooling is required, rotating the turntable 152 drives the threaded rod 151 to rotate, and the rotation of the threaded rod 151 drives the support frame 140 to move through the connecting plate 154, the side plate 153 and the pull rod 150, and the movement of the support frame 140 drives the baffle 141 to move to intersect with the air outlet, and the refrigerator 120 is started to output cold air to the diverter box 121, and the cold air enters the support pipe 130 through the delivery pipe 122. The flow rate of the cold air drives the fan 135 to rotate, and the fan 135 drives the air outlet pipe 131 to rotate through the rotating shaft 134. The air outlet pipe 131 rotates so that the cold air passes through the air outlet pipe 131 and then is evenly blown into the air guide cavity through the air outlet hole 132, and finally the cold air is blown into the box body 110 through the air outlet.

[0032] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A temperature control structure, comprising a box and a refrigerator, characterized in that: The refrigerator is fixedly installed on the top of the box, the output end of the refrigerator is fixedly connected to the diversion box, the delivery pipes are symmetrically fixedly installed on both sides of the diversion box, the support pipes are symmetrically fixedly installed on both sides of the box, one end of the delivery pipe is fixedly connected to one end of the support pipe, and the other end of the support pipe is rotatably installed with an air outlet pipe, one end of the air outlet pipe is sealed and slides through one side of the box, air outlet holes are symmetrically arranged on the outside of the air outlet pipe, partitions are symmetrically fixedly installed on the inner wall of the box, a plurality of air outlets are arranged on the partitions, and a sealing component matching the partitions is slidably installed on one side of the partitions.

2. A temperature control structure according to claim 1, characterized in that: A guide block is fixedly installed in the diversion box, and two sides of the bottom end of the guide block are inclined.

3. A temperature control structure according to claim 1, characterized in that: The partition plate and the inner wall of the box body form an air guiding cavity, the air outlet pipe is arranged in the air guiding cavity, a sealing ring is fixedly installed on the outer side of the air outlet pipe, and a sealing groove matching the sealing ring is arranged on the inner wall of the support pipe.

4. A temperature control structure according to claim 1, characterized in that: A rotating shaft is fixedly mounted on one side of the inner wall of the air outlet pipe, one end of the rotating shaft extends into the support pipe, and a fan is fixedly mounted on the outer side of the rotating shaft.

5. A temperature control structure according to claim 4, characterized in that: A plurality of support rods are fixedly installed in an annular manner on the inner wall of the support tube, a round block is fixedly installed at one end of the plurality of support rods, and one end of the rotating shaft is rotatably connected to one side of the round block.

6. A temperature control structure according to claim 1, characterized in that: The sealing assembly includes a support frame and a baffle, the support frame is slidably connected to the inner wall of the box, a plurality of baffles are fixedly installed between the two sides of the inner wall of the support frame, the baffle is sealingly and slidably connected to one side of the partition, the baffles have the same shape as the air outlet and are equidistantly arranged, and an adjustment assembly is installed on one side of the support frame.

7. A temperature control structure according to claim 6, characterized in that: The adjustment assembly includes a pull rod, a threaded rod and a turntable. A plurality of the pull rods are fixedly installed on one side of the support frame. One end of the pull rod slides through one side of the box body and is fixedly installed on a side plate. A connecting plate is fixedly installed between the two side plates. The threaded rod is rotatably installed on one side of the box body. The turntable is fixedly installed on one end of the threaded rod, and the connecting plate is threadedly installed on the threaded rod.

8. A high temperature reverse bias tester, characterized in that: It comprises the temperature control structure as described in any one of claims 1 to 7 and a testing machine body.

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