Anti-condensation device of temperature and humidity test box

Abstract

The utility model relates to the technical field of temperature and humidity test boxes, and discloses an anti-condensation device of a temperature and humidity test box, which comprises a test outer box, a heating mechanism is arranged in the test outer box, the heating mechanism comprises a test inner box, and the test inner box is fixedly arranged in the test outer box. According to the utility model, the heating box and the first sucking pump are started, the drying box can adsorb moisture in air so as to form dry air for subsequent heating, the heating box heats the air, the first sucking pump conveys the heated air into the test inner box through the first conveying pipe and the first air outlet, and then the test inner box is heated. The exhaust pipe can exhaust air according to the air pressure in the test inner box, so that the temperature in the test inner box is increased, water vapor is prevented from being generated in the test process, damage to a product caused by the water vapor is avoided, and the anti-condensation purpose is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of temperature and humidity test boxes, in particular to an anti-condensation device for a temperature and humidity test box. Background Art

[0002] The temperature and humidity test chamber is an experimental equipment that can accurately control the temperature and humidity environment. It is mainly used to simulate various temperature and humidity conditions to conduct environmental adaptability tests, reliability tests and quality inspections on products, materials or biological samples.

[0003] According to the Chinese patent announcement number CN220048171U, the utility model discloses a test box suitable for constant temperature and humidity, including a box body, a support plate is provided inside the box body, the support plate is provided with a plurality of fixed blocks, the fixed block is provided with a shelf, and the shelf is movably connected to the fixed block; an axial flow fan is provided at the bottom of the box body, the axial flow fan is rotatably connected to the box body, the box body is provided with a temperature and humidity controller and a temperature and humidity monitoring device, and the axial flow fan, the temperature and humidity monitoring device and the temperature and humidity controller are electrically connected. The temperature and humidity controller of the utility model adjusts the air outlet direction of the axial flow fan according to the temperature and humidity deviation inside the box body detected by the temperature and humidity monitoring device, thereby improving the temperature and humidity inside the box body, so that the inside of the box body reaches a constant temperature and humidity, and the temperature and humidity of each corner of the inside of the box body reaches a uniform state, avoiding the situation where the temperature and humidity deviation of individual corners in the box body is large, but: when the existing temperature and humidity test box is tested under some conditions, there is air condensation inside the test box, and the condensation on the top will drip on the product, causing the product to be damaged by water vapor. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides an anti-condensation device for a temperature and humidity test box.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-condensation device of a temperature and humidity test box comprises a test outer box, a heating mechanism is arranged inside the test outer box, the heating mechanism comprises a test inner box, the test inner box is fixedly installed inside the test outer box, a placing table is fixedly installed inside the test inner box, a heating box is fixedly installed inside the test outer box, a first delivery pipe is fixedly installed on one side of the heating box, a first vacuum pump is fixedly connected to the other end of the first delivery pipe, a first air outlet is installed at the bottom of the first vacuum pump, a first connecting pipe is fixedly installed on the top of the heating box, an exhaust pipe is fixedly installed on one side of the test inner box, and an electromagnetic valve is installed on the exhaust pipe.

[0008] Preferably, a refrigeration mechanism is also provided inside the test outer box, and the refrigeration mechanism includes a refrigeration box, and the refrigeration box is fixedly installed inside the test outer box, a second delivery pipe is fixedly installed on one side of the refrigeration box, a second air pump is fixedly installed on the other end of the second delivery pipe, and a second air outlet is installed at the bottom of the second air pump. According to this preference, the second air pump delivers the refrigerated air to the inside of the test inner box through the second delivery pipe and the second air outlet.

[0009] Preferably, the refrigeration mechanism further comprises a second connecting pipe, one end of which is fixedly mounted on the top of the refrigeration box. According to this preference, the air after the dust is filtered is transported through the second connecting pipe.

[0010] Preferably, an air intake box is fixedly installed on the top of the test outer box, and the two sides of the air intake box are connected to the other ends of the first connecting pipe and the second connecting pipe respectively. Through this preference, the external air is filtered through the dust filter and enters the air intake box.

[0011] Preferably, a slot is provided on the air inlet box, a drying box is inserted into the inner wall of the slot, and a handle is fixedly mounted on the drying box. According to this preference, the drying box can absorb moisture in the air to form dry air.

[0012] Preferably, an air inlet is provided at the top of the air inlet box, a dust filter is provided at the air inlet, screws are threadedly connected at the four corners of the dust filter, and the bottom end of the screw thread penetrates into the air inlet box. According to this preference, the dust filter can be removed by rotating the screw.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides an anti-condensation device for a temperature and humidity test chamber, which has the following beneficial effects:

[0015] 1. The anti-condensation device of the temperature and humidity test box, through the cooperation of the heating mechanism, the air inlet box and the drying box, by starting the heating box and the first vacuum pump, the drying box can absorb moisture in the air to form dry air for subsequent heating, the heating box heats the air, the first vacuum pump conveys the heated air to the inside of the test inner box through the first conveying pipe and the first air outlet, the exhaust pipe can exhaust according to the internal air pressure of the test inner box, thereby increasing the internal temperature of the test inner box, and then avoiding the generation of water vapor during the test, avoiding water vapor from damaging the product, so as to achieve the purpose of anti-condensation.

[0016] 2. The anti-condensation device of the temperature and humidity test box, through the cooperation of the refrigeration mechanism, the dust filter and the screw, by starting the refrigeration box and the second vacuum pump, the external air is filtered through the dust filter and enters the air inlet box, the dust filter can filter the dust in the air, so as to prevent dust and other impurities from entering, the refrigeration box cools the air, and the second vacuum pump delivers the cooled air to the inside of the test inner box through the second delivery pipe and the second air outlet, so as to reduce the internal temperature of the test inner box, the dust filter can be removed by turning the screw, and the drying box can be pulled out by the handle for easy cleaning or replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0020] Figure 3 It is a schematic diagram of the cross-sectional structure of the air intake box of the utility model.

[0021] In the figure: 1. test outer box; 21. heating mechanism; 211. test inner box; 212. placing table; 213. heating box; 214. first conveying pipe; 215. first vacuum pump; 216. first air outlet; 217. first connecting pipe; 218. exhaust pipe; 31. refrigeration mechanism; 311. refrigeration box; 312. second conveying pipe; 313. second vacuum pump; 314. second air outlet; 315. second connecting pipe; 4. air inlet box; 5. drying box; 6. handle; 7. dust filter; 8. screw. DETAILED DESCRIPTION

[0022] 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.

[0023] Example 1

[0024] like Figure 1-3As shown, the utility model provides an anti-condensation device for a temperature and humidity test box, including a test outer box 1, a heating mechanism 21 is arranged inside the test outer box 1, the heating mechanism 21 includes a test inner box 211, the test inner box 211 is fixedly installed inside the test outer box 1, a placing table 212 is fixedly installed inside the test inner box 211, a heating box 213 is fixedly installed inside the test outer box 1, the heating box 213 heats the air, a first conveying pipe 214 is fixedly installed on one side of the heating box 213, and the first conveying pipe 214 is fixedly installed on the other side of the heating box 213. One end is fixedly connected to a first vacuum pump 215, a first air outlet 216 is installed at the bottom of the first vacuum pump 215, a first connecting pipe 217 is fixedly installed on the top of the heating box 213, an exhaust pipe 218 is fixedly installed on one side of the test inner box 211, an electromagnetic valve is installed on the exhaust pipe 218, the exhaust pipe 218 can exhaust according to the internal air pressure of the test inner box 211, an air intake box 4 is fixedly installed on the top of the test outer box 1, and both sides of the air intake box 4 are connected to the first connecting pipe 217 and the other end of the second connecting pipe 315 respectively.

[0025] In this embodiment, when the temperature inside the test inner box 211 needs to be increased, by starting the heating box 213 and the first vacuum pump 215, the drying box 5 can absorb moisture in the air to form dry air for subsequent heating, the first connecting pipe 217 transports the dry air, the heating box 213 heats the air, the first vacuum pump 215 transports the heated air to the inside of the test inner box 211 through the first transport pipe 214 and the first air outlet 216, the exhaust pipe 218 can exhaust according to the internal air pressure of the test inner box 211, so as to increase the internal temperature of the test inner box 211, and then avoid the generation of water vapor during the test process, avoid water vapor from damaging the product, and achieve the purpose of anti-condensation.

[0026] Example 2

[0027] like Figure 1-3As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, a refrigeration mechanism 31 is further provided inside the test outer box 1, and the refrigeration mechanism 31 includes a refrigeration box 311, and the refrigeration box 311 is fixedly installed inside the test outer box 1. The refrigeration box 311 refrigerates the air, and a second delivery pipe 312 is fixedly installed on one side of the refrigeration box 311, and a second air pump 313 is fixedly installed on the other end of the second delivery pipe 312. A second air outlet 314 is installed at the bottom of the second air pump 313, and the refrigeration mechanism 31 also includes a second connection Taking over the connecting pipe 315, one end of the second connecting pipe 315 is fixedly installed on the top of the refrigeration box 311, a slot is provided on the air intake box 4, a drying box 5 is inserted into the inner wall of the slot, the drying box 5 can absorb moisture in the air to form dry air, a handle 6 is fixedly installed on the drying box 5, an air inlet is provided on the top of the air intake box 4, a dust filter 7 is provided at the air inlet, the dust filter 7 can filter dust in the air to prevent dust and other impurities from entering, the dust filter 7 is threadedly connected with screws 8 at the four corners, and the bottom end of the screw 8 is threadedly penetrated into the air intake box 4.

[0028] In this embodiment, when the temperature inside the test inner box 211 needs to be lowered, the refrigeration box 311 and the second vacuum pump 313 are started, and the external air is filtered through the dust filter 7 to enter the air inlet box 4. The dust filter 7 can filter the dust in the air to prevent dust and other impurities from entering. The air is then transported through the second connecting pipe 315, and the refrigeration box 311 cools the air. The second vacuum pump 313 transports the cooled air to the inside of the test inner box 211 through the second delivery pipe 312 and the second air outlet 314, thereby lowering the internal temperature of the test inner box 211. The dust filter 7 can be removed by rotating the screw 8, and the drying box 5 can be pulled out by the handle 6 for easy cleaning or replacement.

[0029] The following is a detailed description of the working principle of the anti-condensation device of this temperature and humidity test chamber.

[0030] like Figure 1-3As shown, when in use, the test product can be placed on the placement table 212. When the temperature inside the test inner box 211 needs to be lowered, by starting the refrigeration box 311 and the second air pump 313, the external air is filtered through the dust filter 7 and enters the air inlet box 4. The dust filter 7 can filter the dust in the air to prevent dust and other impurities from entering. Then, the air is transported through the second connecting pipe 315, and the refrigeration box 311 cools the air. The second air pump 313 transports the cooled air to the inside of the test inner box 211 through the second delivery pipe 312 and the second air outlet 314, thereby lowering the internal temperature of the test inner box 211. The exhaust pipe 218 can exhaust according to the internal air pressure of the test inner box 211. When the temperature needs to be increased, by starting the heating box 213 and the first vacuum pump 215, the drying box 5 can absorb moisture in the air to form dry air for subsequent heating, the first connecting pipe 217 transports the dry air, the heating box 213 heats the air, and the first vacuum pump 215 transports the heated air to the inside of the test inner box 211 through the first conveying pipe 214 and the first air outlet 216, thereby increasing the internal temperature of the test inner box 211, and then avoiding the generation of water vapor during the test, avoiding water vapor from damaging the product, so as to achieve the purpose of anti-condensation, the dust filter 7 can be removed by rotating the screw 8, and the drying box 5 can be pulled out by the handle 6 for easy cleaning or replacement.

Claims

1. A condensation prevention device for a temperature and humidity test chamber, comprising a test outer chamber (1), characterized in that: A heating mechanism (21) is arranged inside the test outer box (1), and the heating mechanism (21) comprises a test inner box (211), the test inner box (211) is fixedly installed inside the test outer box (1), a placing table (212) is fixedly installed inside the test inner box (211), a heating box (213) is fixedly installed inside the test outer box (1), a first delivery pipe (214) is fixedly installed on one side of the heating box (213), a first air pump (215) is fixedly connected to the other end of the first delivery pipe (214), a first air outlet (216) is installed at the bottom of the first air pump (215), a first connecting pipe (217) is fixedly installed on the top of the heating box (213), an exhaust pipe (218) is fixedly installed on one side of the test inner box (211), and an electromagnetic valve is installed on the exhaust pipe (218).

2. The anti-condensation device for a temperature and humidity test chamber according to claim 1, characterized in that: A refrigeration mechanism (31) is also provided inside the test outer box (1), and the refrigeration mechanism (31) comprises a refrigeration box (311). The refrigeration box (311) is fixedly installed inside the test outer box (1), a second delivery pipe (312) is fixedly installed on one side of the refrigeration box (311), a second air pump (313) is fixedly installed on the other end of the second delivery pipe (312), and a second air outlet (314) is installed at the bottom of the second air pump (313).

3. The anti-condensation device for a temperature and humidity test chamber according to claim 2, characterized in that: The refrigeration mechanism (31) further comprises a second connecting pipe (315), one end of which is fixedly mounted on the top of the refrigeration box (311).

4. The anti-condensation device for a temperature and humidity test chamber according to claim 1, characterized in that: An air intake box (4) is fixedly mounted on the top of the test outer box (1), and two sides of the air intake box (4) are respectively connected to the other end of the first connecting pipe (217) and the other end of the second connecting pipe (315).

5. The anti-condensation device for a temperature and humidity test chamber according to claim 4, characterized in that: The air inlet box (4) is provided with a slot, the inner wall of the slot is plugged with a drying box (5), and a handle (6) is fixedly mounted on the drying box (5).

6. The anti-condensation device for a temperature and humidity test chamber according to claim 4, characterized in that: An air inlet is provided at the top of the air inlet box (4), a dust filter (7) is provided at the air inlet, screw rods (8) are threadedly connected at the four corners of the dust filter (7), and the bottom end of the screw rods (8) is threadedly penetrated into the interior of the air inlet box (4).

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