Temperature control structure and reverse bias test machine

Abstract

The utility model discloses a temperature control structure and a reverse bias test machine, and relates to the technical field of detection equipment. On one hand, the utility model provides a temperature control structure, which comprises a water cooling assembly, a test machine main body and an air cooling assembly, on the second aspect, the utility model further provides a reverse bias voltage tester which comprises the temperature control structure and a control assembly. During detection, the bottom end of the filter plate is connected with the bottom surface of the accommodating groove and is fixed through a limiting insertion rod, and at the moment, a sealing part on the filter plate can block a ventilation opening to prevent heat from being dissipated; during heat dissipation, the top end of the filter plate is close to the top of the containing groove and is also fixed through the limiting insertion rod, so that the filter part of the filter plate corresponds to the ventilation opening. Water in the cold water tank can circularly flow in the water outlet pipe, the water inlet pipe and the connecting pipe, so that cooling water in the water cooling plate flows, and the heat dissipation effect is achieved; when the filter plate needs to be cleaned, the fixation of the filter plate is relieved, and the filter plate can be cleaned by pulling out the filter plate.

Description

Technical Field

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

[0002] The high temperature reverse bias tester places 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 applies a certain reverse DC voltage to the tested component to test the reliability of each component, and at the same time detect high temperature leakage current, voltage and other parameters.

[0003] After searching, the patent number is CN218956639U5, which is a high-temperature reverse bias tester with rapid cooling. The water in the water cooling box circulates in the water pipe, so that cooling water always flows inside the partition. At the same time, the two cylinders drive the telescopic shaft to move upward a short distance, driving the two sealing plates upward to stagger with multiple heat dissipation holes and air inlets, so that multiple heat dissipation holes and air inlets are exposed, and then the two cooling fans are started to quickly discharge the heat inside the tester body from the multiple heat dissipation holes. After the heat dissipation is completed, the telescopic shaft moves downward, so that the multiple sealing plates block the multiple heat dissipation holes and air inlets again, thereby sealing the inside of the tester body.

[0004] However, the partition and the mounting groove of the above device are connected by sliding, which is convenient for pulling out the partition, and the water pipe is connected to the partition, so the partition cannot be removed from the mounting groove; and the above device uses two telescopic rods to drive the sealing plate to seal the device during detection and dissipate heat from the device after detection, which is a relatively complex structure. At the same time, multiple electrical components are used, which increases the cost of detection. Therefore, a high-temperature reverse bias tester with rapid cooling is proposed to improve the above shortcomings. Utility Model Content

[0005] In order to make up for the above deficiencies, the utility model provides a temperature control structure and a reverse bias voltage testing machine, which aims to improve the existing device in which the partition and the mounting groove are slidably connected to facilitate pulling out the partition, and the water pipe is connected to the partition, so that the partition cannot be removed from the mounting groove; and the above-mentioned device uses two telescopic rods to drive the sealing plate to achieve sealing of the device during detection and heat dissipation of the device after the detection. The structure is relatively complicated, and multiple electrical components are used at the same time, which increases the cost of detection.

[0006] The utility model is achieved in this way:

[0007] In a first aspect, the utility model provides a temperature control structure, including a water cooling component, a test machine body and an air cooling component.

[0008] The water cooling assembly includes a water cooling plate, a first heat conducting plate, a placement plate, a mounting groove, a water cooling cavity, and a second heat conducting plate. The water cooling plates are fixedly arranged at intervals in the main body of the test machine. There are three water cooling plates. The first heat conducting plate is arranged on the upper surface of the water cooling plate. The placement plate is arranged on the upper surface of the first heat conducting plate. Both sides of the placement plate are slidably arranged in the mounting groove. The mounting groove is arranged on the inner wall of the main body of the test machine. The water cooling cavity is fixedly arranged on the outer side of the back of the main body of the test machine. The second heat conducting plate is arranged on the inner side of the back of the main body of the test machine. The air cooling assembly includes a cooling fan, a vent, a receiving groove, a filter plate, and a limiting mechanism. The cooling fans are arranged at intervals on the inner side of the main body of the test machine. The vents are arranged on the two side panels of the main body of the test machine corresponding to the positions of the cooling fans. The receiving groove is arranged on the side wall of the main body of the test machine. The filter plate is slidably arranged in the receiving groove. The limiting mechanism is arranged on the side panels of the main body of the test machine.

[0009] In a preferred technical solution of the present invention, the interior of the water-cooling plate is hollow, and the three water-cooling plates are connected by connecting pipes.

[0010] In a preferred technical solution of the utility model, a cold water tank is arranged on the top of the testing machine body, and a water outlet pipe and a water inlet pipe are arranged on the cold water tank, and the water outlet pipe and the water inlet pipe are respectively connected to the first and third water cooling plates.

[0011] In a preferred technical solution of the utility model, a serpentine tube is arranged in the water cooling cavity, and the water inlet end and the water outlet end of the serpentine tube are connected to the cold water tank.

[0012] In a preferred technical solution of the utility model, the filter plate has a filter part and a sealing part, and the filter part and the sealing part are arranged at intervals.

[0013] In a preferred technical solution of the utility model, the limiting mechanism includes a limiting hole and a limiting rod, the limiting hole is opened on the side panel of the test machine body, the limiting rod passes through the limiting hole, and the limiting hole is provided with two groups, upper and lower.

[0014] In a preferred technical solution of the utility model, a fixing hole is provided at the bottom end of the filter plate, the fixing hole corresponds to the position of the limiting hole, and the limiting insertion rod passes through the limiting hole and is inserted into the fixing hole.

[0015] In a preferred technical solution of the present utility model, an auxiliary handle is provided on the front side of the filter plate.

[0016] In a second aspect, the utility model further provides a reverse bias voltage tester, comprising the above-mentioned temperature control structure and control assembly.

[0017] The utility model is implemented as follows: the control component includes a sealed door, an observation window, a control panel and a switch button, the sealed door is hingedly arranged on the front side of the testing machine body, the observation window is arranged on the sealed door, and the control panel and the switch button are arranged on the sealed door.

[0018] In a preferred technical solution of the utility model, a door handle is provided on the sealed door.

[0019] Beneficial effect: When the test is finished, the temperature in the main body of the test machine is reduced by the water cooling component and the air cooling component of the temperature control structure to prevent the detection element from being damaged due to continuous high temperature, and it is also convenient to take out the detection element. During the test, the bottom end of the filter plate is connected to the bottom surface of the receiving tank and fixed by a limit rod. At this time, the sealing part on the filter plate can block the vent to prevent heat from dissipating; when dissipating heat, the filter plate moves upward, and the top of the filter plate is close to the top of the receiving tank, and is also fixed by a limit rod, so that the filter part of the filter plate corresponds to the vent. The water in the cold water tank will circulate in the outlet pipe, the inlet pipe and the connecting pipe, so that the cooling water inside the water-cooled plate is flowing, and the heat is transferred to the water-cooled plate through the first heat conduction plate, and then the heat is taken away by the cooling water to achieve the heat dissipation effect; at the same time, the circulating cooling water in the serpentine tube and the second heat conduction plate take away the heat in the main body of the test machine, enhancing the heat dissipation effect; at the same time, start the heat dissipation fan to discharge the heat from the vent. When the filter plate needs to be cleaned, release the fixation of the filter plate, pull out the filter plate, and clean the filter plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] 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.

[0021] Figure 1 It is a schematic diagram of the overall three-dimensional structure provided by the embodiment of the utility model;

[0022] Figure 2 A schematic diagram of the internal three-dimensional structure of the device provided in the embodiment of the utility model;

[0023] Figure 3 A schematic diagram of the rear three-dimensional structure of the device provided in the embodiment of the utility model;

[0024] Figure 4 This is a schematic diagram of a partial three-dimensional structure of a device provided in an embodiment of the utility model.

[0025] In the figure: 100-water cooling assembly; 110-water cooling plate; 111-connecting pipe; 120-first heat conduction plate; 130-placing plate; 140-installing slot; 150-water cooling chamber; 151-serpentine pipe; 160-second heat conduction plate; 200-test machine body; 210-cold water tank; 220-water outlet pipe; 230-water inlet pipe; 300-air cooling assembly; 310-cooling fan; 320-ventilation port; 330-accommodating slot; 340-filter plate; 341-fixing hole; 342-auxiliary handle; 350-limiting mechanism; 351-limiting hole; 352-limiting rod; 400-control assembly; 410-sealed door; 420-observation window; 430-control panel; 440-switch button. DETAILED DESCRIPTION

[0026] 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.

[0027] See also Figure 1-Figure 4 The utility model provides a technical solution: a temperature control structure, including a water cooling component 100, a test machine body 200 and an air cooling component 300.

[0028] See also Figure 1-Figure 4In some specific embodiments, the water cooling assembly 100 includes a water cooling plate 110, a first heat conducting plate 120, a placement plate 130, a mounting groove 140, a water cooling cavity 150 and a second heat conducting plate 160. The water cooling plates 110 are fixedly arranged in the test machine body 200 at intervals. There are three water cooling plates 110. The interior of the water cooling plate 110 is hollow. The three water cooling plates 110 are connected by connecting pipes 111. A cold water tank 210 is arranged on the top of the test machine body 200. A water outlet pipe 220 and a water inlet pipe 230 are arranged on the cold water tank 210. The water outlet pipe 220 and the water inlet pipe 230 are connected to the first and third water cooling plates 110 respectively. The first heat conducting plate 120 is detachably arranged on the upper surface of the water cooling plate 110, the placement plate 130 is arranged on the upper surface of the first heat conducting plate 120, and both sides of the placement plate 130 are slidably arranged in the mounting groove 140. The mounting groove 140 is opened on the inner wall of the test machine body 200. The water cooling chamber 150 is fixedly arranged on the outer side of the back of the test machine body 200. A serpentine tube 151 is arranged in the water cooling chamber 150. The water inlet and outlet ends of the serpentine tube 151 are connected to the cold water tank 210. The second heat conduction plate 160 is arranged on the inner side of the back of the test machine body 200, which can take away more heat in the machine body and increase the heat dissipation effect.

[0029] See also Figure 1-Figure 4 The air cooling assembly 300 includes a cooling fan 310, a vent 320, a receiving slot 330, a filter plate 340 and a limiting mechanism 350. The cooling fan 310 is arranged at intervals on the inner side of the test machine body 200. The vent 320 and the cooling fan 310 are arranged at corresponding positions on the two side panels of the test machine body 200. The receiving slot 330 is arranged on the side wall of the test machine body 200. The filter plate 340 is slidably arranged in the receiving slot 330. The filter plate 340 has a filtering part and a sealing part, and the filtering part and the sealing part are arranged at intervals. The limiting mechanism 350 is arranged on the side panel of the test machine body 200. The limiting mechanism 350 includes a limiting hole 351 and a limiting rod 352. The limiting hole 351 is arranged on the side panel of the test machine body 200. The limiting rod 352 passes through the limiting hole 351. The limiting hole 351 is provided with two groups of upper and lower groups. A fixing hole 341 is provided at the bottom of the filter plate 340, and the position of the fixing hole 341 corresponds to that of the limiting hole 351. The limiting plug 352 passes through the limiting hole 351 and is inserted into the fixing hole 341. An auxiliary handle 342 is also provided at the front side of the filter plate 340. During testing, the bottom end of the filter plate 340 is connected to the bottom surface of the receiving groove 330 and is fixed by the limiting plug 352. At this time, the sealing part on the filter plate 340 can block the vent 320 to prevent heat from dissipating; during heat dissipation, the filter plate 340 moves upward, and the top end of the filter plate 340 is close to the top of the receiving groove 330, and is also fixed by the limiting plug 352, so that the filter part of the filter plate 340 corresponds to the vent 320.

[0030] The embodiment of the utility model further provides a reverse bias tester, including the above-mentioned temperature control structure and a control assembly 400. The control assembly 400 includes a sealed door 410, an observation window 420, a control panel 430 and a switch button 440. The sealed door 410 is hingedly arranged on the front side of the tester body 200, the observation window 420 is arranged on the sealed door 410, the control panel 430 and the switch button 440 are arranged on the sealed door 410, and a door handle is arranged on the sealed door 410. The sealed door 410 is arranged on the front side of the tester body 200 and does not block the receiving groove 330.

[0031] Working principle: When the test is finished, the temperature in the test machine body 200 is reduced by the water cooling component 100 and the air cooling component 300 of the temperature control structure to prevent the detection element from being damaged due to continuous high temperature, and it is also convenient to take out the detection element. During the test, the bottom end of the filter plate 340 is connected to the bottom surface of the receiving groove 330 and is fixed by the limit rod 352. At this time, the sealing part on the filter plate 340 can block the vent 320 to prevent heat from dissipating; when dissipating heat, the filter plate 340 moves upward, and the top of the filter plate 340 is close to the top of the receiving groove 330, and is also fixed by the limit rod 352, so that the filter part of the filter plate 340 corresponds to the vent 320. The water in the cold water tank 210 circulates through the water outlet pipe 220, the water inlet pipe 230 and the connecting pipe 111, so that the cooling water inside the water-cooled plate 110 flows, and the heat is transferred to the water-cooled plate 110 through the first heat-conducting plate 120, and then the heat is taken away by the cooling water, so as to achieve the heat dissipation effect; at the same time, the heat in the test machine body 200 is taken away by the circulating cooling water in the serpentine pipe 151 and the second heat-conducting plate 160, so as to enhance the heat dissipation effect; at the same time, the heat dissipation fan 310 is started to discharge the heat from the vent 320. When the filter plate 340 needs to be cleaned, the filter plate 340 is released from the fixing, and the filter plate 340 is pulled out to clean the filter plate 340.

[0032] It should be noted that the specific model specifications of the test machine body 200, the control panel 430 and the cooling fan 310 need to be selected and determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in this field, so it will not be described in detail.

[0033] The power supply and principle of the test machine body 200 , the control panel 430 and the cooling fan 310 are clear to those skilled in the art and will not be described in detail here.

[0034] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be modified and varied in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A temperature control structure, comprising a water cooling component, a test machine body and an air cooling component, characterized in that: The water cooling assembly includes a water cooling plate, a first heat conducting plate, a placement plate, a mounting groove, a water cooling cavity, and a second heat conducting plate. The water cooling plates are fixedly arranged in the test machine body at intervals. There are three water cooling plates. The first heat conducting plate is arranged on the upper surface of the water cooling plate. The placement plate is arranged on the upper surface of the first heat conducting plate. Both sides of the placement plate are slidably arranged in the mounting groove. The mounting groove is provided on the inner wall of the test machine body. The water cooling cavity is fixedly arranged on the outer side of the back of the test machine body. The second heat conducting plate is arranged on the inner side of the back of the test machine body. The air cooling component includes a cooling fan, a vent, a receiving groove, a filter plate and a limiting mechanism. The cooling fan is arranged at intervals on the inner side of the test machine body, the vent and the cooling fan are arranged on the two side panels of the test machine body corresponding to the position, the receiving groove is opened on the side wall of the test machine body, the filter plate is slidably arranged in the receiving groove, and the limiting mechanism is arranged on the side panel of the test machine body.

2. A temperature control structure according to claim 1, characterized in that: The interior of the water cooling plate is hollow, and the three water cooling plates are connected by connecting pipes.

3. A temperature control structure according to claim 1, characterized in that: A cold water tank is arranged on the top of the testing machine body, and a water outlet pipe and a water inlet pipe are arranged on the cold water tank. The water outlet pipe and the water inlet pipe are connected to the first and the third water cooling plates respectively.

4. A temperature control structure according to claim 3, characterized in that: A serpentine tube is arranged in the water cooling cavity, and a water inlet end and a water outlet end of the serpentine tube are connected to the cold water tank.

5. A temperature control structure according to claim 1, characterized in that: The filter plate has a filter part and a sealing part, and the filter part and the sealing part are spaced apart.

6. A temperature control structure according to claim 1, characterized in that: The limiting mechanism comprises a limiting hole and a limiting rod. The limiting hole is arranged on the side plate of the testing machine body. The limiting rod passes through the limiting hole. The limiting hole is provided with two groups, upper and lower.

7. A temperature control structure according to claim 6, characterized in that: A fixing hole is arranged at the bottom end of the filter plate, the fixing hole corresponds to the position of the limiting hole, and the limiting insertion rod passes through the limiting hole and is inserted into the fixing hole.

8. A temperature control structure according to claim 1, characterized in that: An auxiliary handle is arranged on the front side of the filter plate.

9. A reverse bias tester, characterized in that: It comprises the temperature control structure as described in any one of claims 1 to 8, and a control component, wherein the control component comprises a sealed door, an observation window, a control panel and a switch button, the sealed door is hingedly arranged on the front side of the test machine body, the observation window is arranged on the sealed door, and the control panel and the switch button are arranged on the sealed door.

10. A reverse bias voltage tester as claimed in claim 9, characterized in that: The sealed door is provided with a door handle.

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