Anti-frosting atmosphere device for refrigeration experiment table

Abstract

The utility model relates to an anti-frosting atmosphere device for a refrigeration experiment table, which aims at solving the technical problem that the increase of the overall height at present is easy to influence the proceeding of a test, and comprises an experiment table body and an anti-frosting structure, the anti-frosting structure is matched with the test bed body in a sleeving manner; the anti-frosting structure comprises a polytetrafluoroethylene bottom shell, an aluminum alloy upper shell, a nitrogen inlet pipe and a waste gas outlet pipe; the teflon bottom shell and the aluminum alloy upper shell are in butt joint to form an external member. Wherein a cavity between the polytetrafluoroethylene bottom shell and the aluminum alloy upper shell is sleeved and matched with the test bed body; the nitrogen inlet pipe is arranged at one end of the aluminum alloy upper shell; the test bed has the advantages that the test bed body is sleeved with the external member formed by butt joint of the polytetrafluoroethylene bottom shell and the aluminum alloy upper shell, and the overall height of the test bed cannot be increased too much.

Description

Technical Field

[0001] The utility model relates to the technical field of refrigeration experiments, in particular to an anti-frosting atmosphere device for a refrigeration experiment table. Background Art

[0002] TEC semiconductor refrigeration elements can provide a 20° temperature difference between the upper and lower surfaces. For the temperature required by the experiment, the cooling system of the base can be used to pre-cool it, and then cooling can be achieved through the temperature difference transmitted by the TEC semiconductor refrigeration element.

[0003] The test bench at -50 degrees Celsius will be frosted in an environment without atmosphere protection, which will affect the test. Therefore, anti-frost atmosphere protection is required. However, the existing protection structure is stacked on the test bench, which will increase the overall height and easily affect the test.

[0004] In view of this, we propose an anti-frosting atmosphere device for a refrigeration test bench. Utility Model Content

[0005] The utility model aims to overcome the deficiencies of the prior art, meet practical needs, and provide an anti-frosting atmosphere device for a refrigeration test bench to solve the current technical problem that increasing the overall height easily affects the conduct of the test.

[0006] In order to achieve the purpose of the utility model, the technical solution adopted by the utility model is: designing an anti-frost atmosphere device for a refrigeration test bench, including a test bench body and an anti-frost structure;

[0007] The anti-frost structure is sleeve-fitted with the test bench body;

[0008] The anti-frost structure includes a polytetrafluoroethylene bottom shell, an aluminum alloy upper shell, a nitrogen inlet pipe and an exhaust gas outlet pipe;

[0009] The polytetrafluoroethylene bottom shell and the aluminum alloy upper shell are connected to form a kit;

[0010] Wherein, the cavity between the polytetrafluoroethylene bottom shell and the aluminum alloy upper shell is sleeve-fitted with the test bench body;

[0011] The nitrogen inlet pipe is arranged at one end of the aluminum alloy upper shell;

[0012] The exhaust gas outlet pipe is arranged at the other end of the aluminum alloy upper shell.

[0013] Preferably, a protruding block is provided at the bottom of the test bench body, and a slot is provided on one side of the polytetrafluoroethylene bottom shell, and the protruding block is engaged with the slot.

[0014] Preferably, air cavities are respectively provided at both ends of the aluminum alloy upper shell, two through air holes are symmetrically provided in the top of the aluminum alloy upper shell, and an annular air groove is provided in the middle of the top side of the aluminum alloy upper shell;

[0015] Wherein, the air cavity, the through air hole and the air groove are connected in sequence;

[0016] Wherein, the nitrogen inlet pipe and the exhaust gas outlet pipe are respectively inserted into the air cavities at both ends of the aluminum alloy upper shell;

[0017] Wherein, the air groove surrounds the test cavity opened in the middle of the top side of the aluminum alloy upper shell.

[0018] Preferably, the insertion ends of the nitrogen inlet pipe and the exhaust gas outlet pipe are respectively sleeved with sealing rubber rings A, and the sealing rubber rings A are in abutment with the air cavity wall.

[0019] Preferably, a sealing rubber ring B is embedded in the middle of the inner bottom wall of the aluminum alloy upper shell, and the sealing rubber ring B is in abutment with the top side of the test bench body.

[0020] Compared with the prior art, the beneficial effects of the present invention are:

[0021] 1. The utility model has the advantage of not increasing the overall height too much by arranging a polytetrafluoroethylene bottom shell, an aluminum alloy upper shell, a nitrogen inlet pipe and an exhaust gas outlet pipe, and the kit formed by connecting the polytetrafluoroethylene bottom shell and the aluminum alloy upper shell is installed on the test bench body, thereby solving the problem that increasing the overall height easily affects the progress of the test.

[0022] 2. The utility model has the advantage of having the bottom of the test bench body fit in place by providing a raised card block and a card slot, providing a limit lock to prevent the test bench body from shaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the exploded bottom-up structure of the utility model;

[0025] Figure 3 It is a cross-sectional schematic diagram of the anti-frost structure of the utility model;

[0026] Figure 4 For the utility model Figure 3 A magnified schematic diagram of point A;

[0027] In the figure: 1. Test bench body; 2. Anti-frost structure;

[0028] 101, raised card block;

[0029] 201, polytetrafluoroethylene bottom shell; 202, aluminum alloy upper shell; 203, nitrogen inlet pipe; 204, exhaust gas outlet pipe; 205, air cavity; 206, through air hole; 207, sealing rubber ring A; 208, air groove; 209, test cavity; 2010, sealing rubber ring B;

[0030] 2011. Card slot. DETAILED DESCRIPTION

[0031] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0032] Example 1: An anti-frosting atmosphere device for a refrigeration test bench, see Figures 1 to 4 ; It includes a test bench body 1 and an anti-frost structure 2; the anti-frost structure 2 is sleeved and matched with the test bench body 1;

[0033] The anti-frost structure 2 includes a polytetrafluoroethylene bottom shell 201, an aluminum alloy upper shell 202, a nitrogen inlet pipe 203 and an exhaust gas outlet pipe 204; the polytetrafluoroethylene bottom shell 201 and the aluminum alloy upper shell 202 are connected to form a kit; wherein, the cavity between the polytetrafluoroethylene bottom shell 201 and the aluminum alloy upper shell 202 is sleeved and matched with the test bench body 1; the nitrogen inlet pipe 203 is arranged at one end of the aluminum alloy upper shell 202; and the exhaust gas outlet pipe 204 is arranged at the other end of the aluminum alloy upper shell 202.

[0034] The utility model has the advantage of not increasing the overall height too much by arranging a polytetrafluoroethylene bottom shell 201, an aluminum alloy upper shell 202, a nitrogen inlet pipe 203 and an exhaust gas outlet pipe 204. The kit formed by connecting the polytetrafluoroethylene bottom shell 201 and the aluminum alloy upper shell 202 is sleeved on the test bench body 1, thereby solving the problem that increasing the overall height easily affects the progress of the test.

[0035] Specifically, a protruding block 101 is provided at the bottom of the test bench body 1 , and a slot 2011 is provided at one side of the polytetrafluoroethylene bottom shell 201 , and the protruding block 101 is engaged with the slot 2011 .

[0036] The utility model has the advantage of the bottom of the test bench body 1 being fitted to the test bench body 1 by arranging the protruding block 101 and the card slot 2011, providing a limit clamping function and preventing the test bench body 1 from shaking.

[0037] Furthermore, air cavities 205 are respectively opened at both ends of the aluminum alloy upper shell 202, two through air holes 206 are symmetrically opened in the top of the aluminum alloy upper shell 202, and an annular air groove 208 is opened in the middle of the top side of the aluminum alloy upper shell 202; wherein, the air cavity 205, the through air holes 206 and the air groove 208 are connected in sequence; wherein, the nitrogen inlet pipe 203 and the exhaust gas outlet pipe 204 are respectively inserted into the air cavities 205 at both ends of the aluminum alloy upper shell 202; wherein, the air groove 208 surrounds the test cavity 209 opened in the middle of the top side of the aluminum alloy upper shell 202. Nitrogen is introduced from the nitrogen inlet pipe 203, and enters the air groove 208 through the air cavity 205 and the through air hole 206 on one side of the aluminum alloy upper shell 202, and circles around, preventing frost in the test cavity 209 in the air groove 208, and then is discharged from the through air hole 206 and the air cavity 205 on the other side of the aluminum alloy upper shell 202 along the exhaust gas outlet pipe 204.

[0038] Furthermore, the insertion ends of the nitrogen inlet pipe 203 and the exhaust gas outlet pipe 204 are respectively sleeved with sealing rubber rings A207, which abut against the wall of the air cavity 205 to strengthen the sealing of the connection between the nitrogen inlet pipe 203 and the exhaust gas outlet pipe 204.

[0039] It is worth noting that a sealing rubber ring B2010 is embedded in the middle of the inner bottom wall of the aluminum alloy upper shell 202, and the sealing rubber ring B2010 is in contact with the top side of the test bench body 1 to strengthen the sealing of the test bench body 1 at the experimental location.

[0040] Working principle: The polytetrafluoroethylene bottom shell 201 and the aluminum alloy upper shell 202 of the device of the utility model are connected to form a kit and sleeved with the test bench body 1, and the protruding block 101 is connected with the slot 2011. The nitrogen inlet pipe 203 is connected to the nitrogen inlet pipeline, and the exhaust gas outlet pipe 204 is connected to the exhaust gas recovery pipeline. Nitrogen is introduced from the nitrogen inlet pipe 203, and the nitrogen passes through the air cavity 205 and the through air hole 206 on one side of the aluminum alloy upper shell 202 and enters the air groove 208 to circle around. In the air groove 208, frost is prevented in the test cavity 209, and then it is discharged from the through air hole 206 and the air cavity 205 on the other side of the aluminum alloy upper shell 202 along the exhaust gas outlet pipe 204.

[0041] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. An anti-frost atmosphere device for a refrigeration test bench, comprising a test bench body (1), characterized in that: Also includes: An anti-frost structure (2) is sleeved and matched with the test bench body (1); The anti-frost structure (2) comprises: A polytetrafluoroethylene bottom shell (201) and an aluminum alloy upper shell (202) are butt-jointed to form a kit; Wherein, the cavity between the polytetrafluoroethylene bottom shell (201) and the aluminum alloy upper shell (202) is sleeve-fitted with the test bench body (1); A nitrogen inlet pipe (203) is arranged at one end of the aluminum alloy upper shell (202); An exhaust gas outlet pipe (204) is arranged at the other end of the aluminum alloy upper shell (202).

2. The anti-frosting atmosphere device for a refrigeration test bench according to claim 1, characterized in that: A protruding block (101) is provided at the bottom of the test bench body (1), a slot (2011) is provided on one side of the polytetrafluoroethylene bottom shell (201), and the protruding block (101) is engaged with the slot (2011).

3. The anti-frosting atmosphere device for a refrigeration test bench according to claim 1, characterized in that: The two ends of the aluminum alloy upper shell (202) are respectively provided with air cavities (205), the top of the aluminum alloy upper shell (202) is symmetrically provided with two through air holes (206), and the middle of the top side of the aluminum alloy upper shell (202) is provided with an annular air groove (208); Wherein, the air cavity (205), the through air hole (206) and the air groove (208) are connected in sequence; The nitrogen inlet pipe (203) and the exhaust gas outlet pipe (204) are respectively inserted into the air cavities (205) at both ends of the aluminum alloy upper shell (202); The air groove (208) surrounds a test cavity (209) opened in the middle of the top side of the aluminum alloy upper shell (202).

4. The anti-frosting atmosphere device for a refrigeration test bench according to claim 3, characterized in that: The insertion ends of the nitrogen inlet pipe (203) and the exhaust gas outlet pipe (204) are respectively sleeved with sealing rubber rings A (207), and the sealing rubber rings A (207) are in abutment with the wall of the air cavity (205).

5. The anti-frosting atmosphere device for a refrigeration test bench according to claim 3, characterized in that: A sealing rubber ring B (2010) is embedded in the middle of the inner bottom wall of the aluminum alloy upper shell (202), and the sealing rubber ring B (2010) is in abutment with the top side of the test bench body (1).

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