CN211329415U - High-low temperature variable test box with defrosting function - Google Patents
High-low temperature variable test box with defrosting function Download PDFInfo
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- CN211329415U CN211329415U CN201921603191.5U CN201921603191U CN211329415U CN 211329415 U CN211329415 U CN 211329415U CN 201921603191 U CN201921603191 U CN 201921603191U CN 211329415 U CN211329415 U CN 211329415U
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Abstract
The utility model relates to a high low temperature becomes proof box with change frost function, include: the test box comprises a test box main body, a telescopic door mechanism and a heating mechanism, wherein the inside of the test box main body is hollowed to form an accommodating space, a through hole is formed in the side wall of the test box main body, the through hole penetrates through the inner wall of the test box main body to enable the accommodating space to be communicated with the outside, the telescopic door mechanism is embedded in the inner wall of the through hole, the heating mechanism comprises a suction fan, a heating wire and an exhaust device, an air guide channel is formed in the side wall of the test box main body, one end of the air guide channel is communicated with the outside, and the other end of the air guide channel is communicated with the. The utility model adopts the through hole to place the test article, thereby reducing the heat exchange area and avoiding the too fast exchange speed between the interior of the test box and the external temperature; the heating mechanism is arranged, and defrosting is carried out when the mechanical equipment is retracted; the service life of mechanical equipment is prolonged.
Description
Technical Field
The utility model relates to a test equipment field specifically is a high low temperature becomes proof box with change frost function.
Background
The rapid temperature change test box is mainly used for simulating adaptability tests and stress screening tests under the climate conditions with rapid temperature change or gradual temperature change, and is widely applied to industries of electronic appliances, plastics, automobiles, furniture and the like.
However, in the prior art, the box door needs to be opened when a sample is placed, so that the heat exchange area is large, the temperature exchange speed is high, and the energy consumption is high; secondly, performing a first step; the low temperature becomes the control box in the temperature and is lower, and when adopting automated machine to place normal atmospheric temperature test product in the box, the manipulator frosted easily, and long-term the use leads to manipulator life to reduce, and the maintenance number of times increases.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned current situation, provide a high low temperature becomes proof box with change frost function.
The utility model adopts the technical proposal that: a high-low temperature change test box with a defrosting function comprises: the test box comprises a test box main body, a telescopic door mechanism and a heating mechanism, wherein the interior of the test box main body is hollowed to form an accommodating space, a through hole is arranged on the side wall of the test box main body and penetrates through the inner wall of the test box main body to lead the accommodating space to be communicated with the outside, the telescopic door mechanism is embedded in the inner wall of the through hole, the heating mechanism comprises a suction fan, an electric heating wire and an exhaust device, an air guide channel is arranged on the side wall of the test box main body, one end of the air guide channel is communicated with the outside, the other end of the air guide channel is communicated with the through hole, the suction fan is arranged in the air guide channel, and is positioned at one end of the air guide channel close to the outside, the electric heating wire is arranged in the air guide channel and is positioned at one end of the air guide channel close to the through hole, the exhaust device is arranged on the inner wall of the through hole, and the air guide channel is connected and communicated.
The utility model has the characteristics of it is following: the through holes are used for placing the test articles, so that the heat exchange area is reduced, and the condition that the exchange speed between the interior of the test box and the external temperature is too high is avoided; the heating mechanism is arranged, and defrosting is carried out when the mechanical equipment is retracted; the service life of mechanical equipment is prolonged.
Drawings
FIG. 1 is a schematic structural diagram of a high-low temperature change test chamber with a defrosting function;
fig. 2 is a schematic structural view of the exhaust apparatus shown in fig. 1.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Please refer to fig. 1 and fig. 2, which are schematic diagrams of a high-low temperature change test box with a defrosting function according to the present invention. This high low temperature becomes proof box with defrosting function contains: the testing box comprises a testing box body 1, a telescopic door mechanism 2 and a heating mechanism 3, wherein a through hole 11 is formed in the side wall of the testing box body 1, the telescopic door mechanism 2 is embedded in the inner wall of the through hole 11, and the heating mechanism 3 is arranged on the inner wall of the through hole 11.
The test box main body 1 is rectangular, the interior of the test box main body 1 is hollowed to form an accommodating space 12, and the through hole 11 penetrates through the inner wall of the test box main body 1, so that the accommodating space 12 is communicated with the outside.
The heating device 121, the refrigerating device 122 and the bearing platform 123 are arranged in the accommodating space 12, the bearing platform 123 is horizontally arranged and embedded on the inner wall of the accommodating space 12, and the heating device 121 and the refrigerating device 122 are arranged on the inner wall of the accommodating space 12.
Illustratively, the heating device comprises an air heater, the air heater is communicated with the accommodating space 12 through a pipeline, and an air suction pump is further arranged on the pipeline.
The air heater is a common hardware device in the prior art, and the air heater is an electric heating device mainly heating gas flow. The heating element of the air heater is a stainless steel electric heating pipe, the inner cavity of the heater is provided with a plurality of baffle plates and guide the flow direction of gas, and the detention time of the gas in the inner cavity is prolonged, so that the gas is fully heated, the gas is uniformly heated, and the heat exchange efficiency is improved. The stainless steel heating pipe is formed by arranging an electric heating wire in a seamless steel pipe, filling a gap part with magnesium oxide powder with good thermal conductivity and insulativity and then shrinking the pipe. When current passes through the high-temperature resistance wire, the generated heat is diffused to the surface of the heating pipe through the crystallized magnesium oxide powder and then is transferred to heated air, so that the heating purpose is achieved.
Illustratively, the refrigeration device includes an evaporator, a condenser, and a compressor; the evaporator is a coil evaporator, the evaporator is connected with a condenser through a cold machine pipeline, and the condenser is connected with the compressor through a cold machine pipeline.
An inner wall of one end of the through hole 11 close to the accommodating space 12 is provided with a retractable door accommodating groove 111.
The retractable door mechanism 2 is disposed in the retractable door accommodating groove 111.
The telescopic door mechanism 2 comprises a telescopic door cylinder 21 and a telescopic door 22, the telescopic door cylinder 21 is arranged in the telescopic door accommodating groove 111, the telescopic direction of the movable end of the telescopic door cylinder 21 is perpendicular to the axis of the through hole 11, the telescopic door 22 is fixed with the movable end of the telescopic door cylinder 21, when the movable end of the telescopic door cylinder 21 extends to the maximum state, the telescopic door 22 is used for sealing the through hole 11 and blocking the accommodating space 12 and the external communication.
The air guide channel 13 comprises an air guide main channel 131 and a plurality of air guide auxiliary channels 132, one end of the air guide main channel 131 is communicated with the outside, the other end of the air guide main channel 131 is connected and communicated with one end of each air guide auxiliary channel 132, and the other end of each air guide auxiliary channel 132 is connected and communicated with the exhaust device 33.
The exhaust device 33 includes a plurality of U-shaped exhaust structures 331, and the U-shaped exhaust structures 331 are respectively connected and communicated with the air guide auxiliary duct 132.
The U-shaped exhaust structure 331 includes a U-shaped pipe 332, a plurality of balls 333, a connecting plate 334, and a pushing cylinder 335. The outer surface of the U-shaped pipe 332 is fixed to the inner wall of the through hole 11, the balls 333 are embedded on the surface of the U-shaped pipe 332 and can rotate relative to the U-shaped pipe 332, the connecting plate 334 is fixed to the balls 333, the pushing cylinder 335 is arranged in the U-shaped opening of the U-shaped pipe 332, and the movable end of the pushing cylinder 335 is fixed to one end of the connecting plate 334.
The ball 333 is provided with an exhaust hole 336 penetrating through the ball 333, and the exhaust hole 336 is communicated with the inside of the U-shaped pipe 332.
The U-shaped opening of the U-shaped pipe 332 is arranged vertically downwards.
An inclined groove 112 is formed in the inner wall of the through hole 11, which is located below the U-shaped opening of the U-shaped tube 332, the higher end of the inclined groove 112 is close to the accommodating space 12, a liquid guide pipeline 113 is vertically formed in the inner wall of the lower end of the inclined groove 112, one end of the liquid guide pipeline 113 is connected and conducted with the inclined groove 112, the other end of the liquid guide pipeline is vertically downward, and the liquid guide pipeline is conducted with the outside from the bottom of the test box main body 1.
The power supply mechanism is used for supplying power to the U-shaped electric heating tube 31, so that the U-shaped electric heating tube 31 can generate heat.
When a test article needs to be put into the high-low temperature variable test box with the defrosting function, the movable end of the telescopic door cylinder 21 is contracted to the minimum state, the through hole 11 is communicated with the outside, the manipulator grabs an object and extends into the accommodating space 12 from the through hole 11 to place the test object on the bearing table 123, if the accommodating space 12 is in a low-temperature environment, the frosting condition of the manipulator can occur, the manipulator is in the retracting process, the heating mechanism 3 heats the manipulator, the frost on the surface of the manipulator is melted, and the melted water falls into the chute 112 and is discharged from the liquid guide pipeline 113.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
The utility model has the characteristics of it is following: the through holes are used for placing the test articles, so that the heat exchange area is reduced, and the condition that the exchange speed between the interior of the test box and the external temperature is too high is avoided; the heating mechanism is arranged, and defrosting is carried out when the mechanical equipment is retracted; the service life of mechanical equipment is prolonged.
Claims (5)
1. A high and low temperature change test box with defrosting function is characterized by comprising: the test box comprises a test box main body, a telescopic door mechanism and a heating mechanism, wherein the interior of the test box main body is hollowed to form an accommodating space, a through hole is arranged on the side wall of the test box main body and penetrates through the inner wall of the test box main body to lead the accommodating space to be communicated with the outside, the telescopic door mechanism is embedded in the inner wall of the through hole, the heating mechanism comprises a suction fan, an electric heating wire and an exhaust device, an air guide channel is arranged on the side wall of the test box main body, one end of the air guide channel is communicated with the outside, the other end of the air guide channel is communicated with the through hole, the suction fan is arranged in the air guide channel, and is positioned at one end of the air guide channel close to the outside, the electric heating wire is arranged in the air guide channel and is positioned at one end of the air guide channel close to the through hole, the exhaust device is arranged on the inner wall of the through hole, and the air guide channel is connected and communicated.
2. The high-low temperature change test chamber with the defrosting function according to claim 1, wherein a retractable door receiving groove is formed in an inner wall of one end of the through hole, which is close to the receiving space, the retractable door mechanism is disposed in the retractable door receiving groove, the retractable door mechanism comprises a retractable door cylinder and a retractable door, the retractable door cylinder is disposed in the retractable door receiving groove, a retractable direction of a movable end of the retractable door cylinder is perpendicular to an axis of the through hole, the retractable door is fixed to the movable end of the retractable door cylinder, and when the movable end of the retractable door cylinder extends to a maximum state, the retractable door seals the through hole to block communication between the receiving space and the outside.
3. The high-low temperature change test box with the defrosting function according to claim 2, wherein the exhaust device comprises a plurality of U-shaped exhaust structures, the plurality of U-shaped exhaust structures are respectively connected and communicated with the auxiliary air guide pipeline, each U-shaped exhaust structure comprises a U-shaped pipe, a plurality of balls, a connecting plate and a pushing cylinder, the outer surface of each U-shaped pipe is fixed to the inner wall of the through hole, the balls are embedded on the surface of the U-shaped pipe and can rotate relative to the U-shaped pipe, the connecting plate is fixed to the plurality of balls, the pushing cylinder is arranged in the U-shaped hole of the U-shaped pipe, the movable end of the pushing cylinder is fixed to one end of the connecting plate, the inner wall of the through hole below the U-shaped hole of the U-shaped pipe is provided with an inclined groove, the higher end of the inclined groove is close to the accommodating space, and the inner wall of the lower end of the inclined groove is vertically, one end of the liquid guide pipeline is communicated with the inclined groove, the other end of the liquid guide pipeline is vertically downward, and the bottom of the test box main body is communicated with the outside.
4. The high-low temperature change test chamber with the defrosting function according to claim 3, wherein a heating device, a refrigerating device and a bearing platform are arranged in the accommodating space, the bearing platform is horizontally arranged and embedded on the inner wall of the accommodating space, and the heating device and the refrigerating device are arranged on the inner wall of the accommodating space.
5. The high-low temperature change test chamber with the defrosting function according to claim 4, wherein the refrigerating device comprises an evaporator, a condenser and a compressor; the evaporator is a coil evaporator, the evaporator is connected with a condenser through a cold machine pipeline, and the condenser is connected with the compressor through a cold machine pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921603191.5U CN211329415U (en) | 2019-09-24 | 2019-09-24 | High-low temperature variable test box with defrosting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921603191.5U CN211329415U (en) | 2019-09-24 | 2019-09-24 | High-low temperature variable test box with defrosting function |
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| Publication Number | Publication Date |
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| CN211329415U true CN211329415U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921603191.5U Active CN211329415U (en) | 2019-09-24 | 2019-09-24 | High-low temperature variable test box with defrosting function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113791327A (en) * | 2021-09-16 | 2021-12-14 | 王华江 | Semiconductor device test equipment |
-
2019
- 2019-09-24 CN CN201921603191.5U patent/CN211329415U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113791327A (en) * | 2021-09-16 | 2021-12-14 | 王华江 | Semiconductor device test equipment |
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