CN216082838U - Low temperature environment experiment simulation box - Google Patents
Low temperature environment experiment simulation box Download PDFInfo
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- CN216082838U CN216082838U CN202121881573.1U CN202121881573U CN216082838U CN 216082838 U CN216082838 U CN 216082838U CN 202121881573 U CN202121881573 U CN 202121881573U CN 216082838 U CN216082838 U CN 216082838U
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- simulation box
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- 238000002474 experimental method Methods 0.000 title claims abstract description 71
- 238000004088 simulation Methods 0.000 title claims abstract description 26
- 238000005057 refrigeration Methods 0.000 claims description 19
- 238000007605 air drying Methods 0.000 claims description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 2
- 229960001866 silicon dioxide Drugs 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model provides a box body of a low-temperature environment experiment simulation box, which comprises an experiment cabinet consisting of a cabinet testing body and a bottom plate, wherein sliding grooves are formed in the lower parts of the left side and the right side of the inner wall of the experiment cabinet body, sliding blocks are fixedly arranged on the left side and the right side of the bottom plate, the sliding blocks are in sliding fit with the sliding grooves to draw out the bottom plate, an experiment sample is placed on the bottom plate, the experiment sample can enter and exit the experiment cabinet through the sliding of the bottom plate in the sliding grooves, and the disassembling operation of a cabinet door and the friction between the bottom of the experiment sample and the bottom plate of the experiment simulation box are avoided.
Description
Technical Field
The utility model belongs to the technical field of experiment simulation boxes, and particularly relates to a low-temperature environment experiment simulation box.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
In plateau areas of China, extremely cold weather at the temperature of lower than-40 ℃ is easy to occur in winter, and the operating conditions of the extremely cold weather cause that the temperature of the power equipment is possibly lower than the designed minimum temperature in a period of time, so that the safe and stable operation of the power equipment is a challenge. At present, the research on the operation characteristics and the operation and maintenance technology of the power equipment under the high and cold operation condition is still in a starting stage, and the research on the high and cold operation diagnosis technology of the power equipment needs to be carried out to ensure the safety and the reliability of the equipment under the high and cold operation condition.
Therefore, it is important to accurately simulate the actual environment of the plateau and to search in the place with complete experimental conditions. However, the existing low-temperature environment experiment simulation box is not suitable for large-scale power equipment, for example, when the low-temperature characteristics of the oil-immersed transformer are researched, the low-temperature environment is required to be accurately controllable, and therefore the experiment is required to be carried out in the controllable low-temperature box, but because the size of the oil-immersed transformer model is large, a large enough space is required inside the low-temperature box, and a door of the low-temperature box is also large enough or detachable, so as to ensure that the model for the low-temperature experiment can normally enter and move out the low-temperature box, but the disassembly operation of the box door is complicated, and when the transformer is pushed into the box, the bottom of the transformer and the bottom plate of the experiment simulation box can be damaged, and the service life of the transformer is shortened.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a low-temperature environment experiment simulation box, which avoids the disassembly operation of a box door and the friction between the bottom of equipment and the bottom plate of the experiment simulation box.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a low-temperature environment experiment simulation box comprises a box body;
the box body comprises an experiment cabinet consisting of an experiment cabinet body and a bottom plate;
the lower parts of the left side and the right side of the inner wall of the experiment cabinet body are provided with sliding chutes, and the lower part of the rear side of the inner wall of the experiment cabinet body is provided with clamping grooves; the left side and the right side of the bottom plate are both fixedly provided with sliding blocks, and the rear side of the bottom plate is fixedly provided with a clamping block; the sliding block is in sliding fit with the sliding groove, and the clamping block is matched with the clamping groove.
Furthermore, the hinge is fixedly installed on the outer wall of one side of the experiment cabinet body, and the cabinet door is fixedly installed on the outer wall of the hinge.
Furthermore, the lower surface of bottom plate is located four corners fixed mounting and has the universal wheel.
Furthermore, a layer of heat preservation cotton is arranged on the inner wall of the experiment cabinet body, the upper surface of the bottom plate and the inner wall of the cabinet door.
Further, an air outlet is formed in the upper portion of the experiment cabinet body, and the air outlet is communicated with an air inlet of the air drying tower in a sealing mode through a pressure-resistant pipe.
Further, the air outlet of the air drying tower is communicated with the oil pump in a sealing mode through a pressure-resistant pipe.
Furthermore, allochroic silica gel is placed in the air drying tower.
Furthermore, an evaporator is fixedly installed on the inner wall of the experiment cabinet body.
Further, the box body also comprises a refrigeration cabinet, and a compressor, a condenser and an expansion valve are installed in the refrigeration cabinet; the evaporator, the compressor, the condenser and the expansion valve are sequentially communicated in a sealing manner to form a refrigeration cycle system.
Furthermore, the box body also comprises a control cabinet, and a control panel is arranged on the control cabinet and used for setting experiment parameters; a switch panel is arranged above the control panel, and a power switch is arranged on the switch panel; a display panel is arranged above the switch panel, and a thermometer and a pressure gauge are mounted on the display panel.
Compared with the prior art, the utility model has the beneficial effects that:
the sliding grooves are formed in the lower portions of the left side and the right side of the inner wall of the experiment cabinet body of the low-temperature environment experiment simulation box, the sliding blocks are fixedly mounted on the left side and the right side of the bottom plate, the sliding blocks are in sliding fit with the sliding grooves to draw out the bottom plate, an experiment sample is placed on the bottom plate, the experiment sample can enter and exit the experiment cabinet through the sliding of the bottom plate in the sliding grooves, the disassembling operation of a cabinet door and the friction between the bottom of the experiment sample and the bottom plate of the experiment simulation box are avoided, and the service lives of the experiment sample and the experiment simulation box are prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the case of the present invention;
fig. 3 is a schematic view of the structure of the bottom plate of the case of the present invention.
Wherein: 1. a box body, 2, an air drying tower, 3, an oil pump, 4 and a pressure-resistant pipe; 5. an air outlet;
11. the system comprises a laboratory cabinet 12, a refrigeration cabinet 13 and a control cabinet;
21. an air inlet of the air drying tower 22, allochroic silicagel 23 and an air outlet of the air drying tower;
110. the experimental cabinet comprises a sliding block 111, an experimental cabinet body 112, a bottom plate 113, a cabinet door 114, a sliding groove 115, a clamping groove 116, a clamping block 117, a universal wheel 118, a visual window 119, a hinge 120, an evaporator 121, a compressor 122, a condenser 123, an expansion valve 131, a display panel 132, a switch panel 133 and a control panel.
The specific implementation mode is as follows:
it is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the utility model as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the utility model. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present invention, terms such as "connected" and "connecting" should be interpreted broadly, and mean either a fixed connection or an integral connection or a detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be determined according to specific situations by persons skilled in the relevant scientific or technical field, and are not to be construed as limiting the present invention.
The utility model is further described with reference to the following figures and examples.
As shown in fig. 1 to 3, the present embodiment provides a low temperature environment experiment simulation box, including: a box body 1. The box body 1 comprises a laboratory cabinet 11, a refrigeration cabinet 12 and a control cabinet 13, wherein the refrigeration cabinet 12 and the control cabinet are installed on one side of the laboratory cabinet 11.
As shown in fig. 2, the experiment cabinet 11 includes an experiment cabinet body 111, a bottom plate 112 and a cabinet door 113.
As shown in fig. 1, the lower portions of the left and right sides of the inner wall of the experiment cabinet body 111 are provided with sliding grooves 114, the lower portion of the rear side of the inner wall of the experiment cabinet body 111 is provided with clamping grooves 115, and the sliding grooves 114 and the clamping grooves 115 are provided with the same height and width.
As shown in fig. 3, the left and right sides of the bottom plate 112 are both fixedly provided with the sliding blocks 110, and the rear side of the bottom plate 112 is fixedly provided with the clamping blocks 116; the outer surface of the sliding block 110 is in contact with the inner side wall of the sliding groove 114, the sliding block 110 is in sliding fit with the sliding groove 114, and the sliding block 110 can slide along the sliding groove 114; the latch 116 is engaged with the slot 115, and when the bottom plate 112 slides into the experiment cabinet body 111 through the slider 110 and the sliding slot 114, the outer surface of the latch 116 contacts with the inner sidewall of the slot 115.
The universal wheels 117 are fixedly mounted at the four corners of the lower surface of the bottom plate 112, the height of the universal wheels 117 is consistent with the height of the bottom plate 112 from the ground, and after the bottom plate 112 slides into the experiment cabinet body 111 through the sliding blocks 110 and the sliding grooves 114, the universal wheels 117 can contact the ground.
As shown in fig. 2, a hinge 119 is fixedly installed on the outer wall of the experiment cabinet body 111 on the side away from the refrigeration cabinet 12 and the control cabinet 13, a cabinet door 113 is fixedly installed on the outer wall of the hinge 119, and the cabinet door 113 can be opened and closed on the experiment cabinet body 111 through the hinge 119. Preferentially, the magnet blocks can be arranged around the inner wall of the cabinet door 113, the magnet blocks are also arranged at the corresponding positions of the experiment cabinet body 111, and the cabinet door is ensured to be tightly closed. The cabinet door 113 is provided with a viewing window 118 for observing the experimental sample.
The inner wall of the experiment cabinet body 111, the upper surface of the bottom plate 112 and the inner wall of the cabinet door 113 are all provided with a layer of heat preservation cotton for isolating heat exchange between the inside of the experiment cabinet and the environment.
As shown in fig. 1, the low temperature environment experiment simulation box in this embodiment further includes an air drying tower 2 hermetically connected to the experiment cabinet 11, and an oil pump 3 hermetically connected to the air drying tower 2.
An air outlet 5 is formed in the upper part of the experiment cabinet body 111, and the air outlet 5 is in sealed communication with an air inlet 21 of the air drying tower 2 through a pressure-resistant pipe 4; allochroic silica gel 22 is placed in the air drying tower 2, and the allochroic silica gel 22 is used for drying gas sucked from the experiment cabinet 11, so that the damage of the test equipment caused by liquefied countercurrent of the gas is avoided; the air outlet 23 of the air drying tower 2 is hermetically communicated with the oil pump 3 through a pressure-resistant pipe.
As shown in fig. 2, an evaporator 120 is fixedly installed on the inner wall of the experiment cabinet body 111 close to one side of the refrigeration cabinet 12; a compressor 121, a condenser 122 and an expansion valve 123 are installed in the refrigeration cabinet 12; the evaporator 120, the compressor 121, the condenser 122 and the expansion valve 123 are sequentially and hermetically communicated, one end of the expansion valve 123 is connected with the condenser 122, and the other end of the expansion valve 123 is connected with the evaporator 120, so that a refrigeration cycle system is formed.
The control cabinet 13 is provided with a control panel 133 for setting experiment parameters; a switch panel 132 is arranged above the control panel, and a power switch is arranged on the switch panel 132 and used for controlling the opening and closing of the refrigeration cycle system and the oil pump 3; the display panel 131 is arranged above the switch panel 132, and a thermometer and a pressure gauge are mounted on the display panel 131 for displaying real-time temperature and pressure values in the experiment cabinet 11.
After the oil pump 3 is started, the gas in the experiment cabinet 11 is pumped out, and the pumped gas is discharged after being dried by the air drying tower 2, so that the experiment cabinet 11 forms a low-pressure environment.
After the refrigeration cycle system is started, the evaporator 120 absorbs heat in the process of forming low-temperature low-pressure gas by evaporating and gasifying the refrigerant, and cools the air in the experiment cabinet 11 to achieve the refrigeration effect; the compressor 121 provides power for refrigerant circulation, and the compressor 121 sucks the low-temperature and low-pressure gas formed by the evaporator 120, compresses the low-temperature and low-pressure gas into high-pressure and high-temperature gas, and conveys the formed high-pressure and high-temperature gas to the condenser 122 through a pipeline; the condenser 122 condenses the high-temperature high-pressure cold gas pumped out by the compressor 121 into medium-temperature high-pressure liquid, and releases heat, and the medium-temperature high-pressure liquid is conveyed to the expansion valve 123 through a pipeline; the expansion valve 123 throttles the medium-temperature high-pressure liquid into low-temperature low-pressure wet steam, controls the flow of the coolant, prevents the evaporator from being insufficiently utilized and knocking the cylinder, and allows the low-temperature low-pressure wet steam to enter the evaporator 120, thereby continuously and circularly completing the refrigeration process.
The utility model, in particular use:
opening a cabinet door 113 of the experiment cabinet 11, pulling a bottom plate 112, enabling the sliding blocks 110 on the left side and the right side of the bottom plate 112 to slide along the sliding grooves 114 on the left side and the right side of the inner wall of the experiment cabinet body 111, enabling the universal wheels 117 to roll, and enabling the clamping blocks 116 on the rear side of the bottom plate 112 to be separated from the clamping grooves 115;
after the bottom plate 112 is pulled out by a proper distance, an experimental sample is placed on the bottom plate 112, after the experimental sample is placed, the bottom plate 112 is pushed, the sliding blocks 110 on the left side and the right side of the inner wall of the experimental cabinet body 111 slide along the sliding grooves 114 on the left side and the right side of the inner wall of the experimental cabinet body 111, meanwhile, the universal wheels 117 roll until the outer surface of the clamping block 116 is completely contacted with the inner wall of the clamping groove 115, the pushing of the bottom plate 112 is stopped, and the cabinet door 113 is closed;
turning on a power switch on a switch panel 132, and turning on the refrigeration cycle system and the oil pump 3; setting experiment parameters, namely target temperature and air pressure in the experiment cabinet 11, on the control panel 133; the refrigeration cycle system and the oil pump 3 are started, and the real-time temperature and pressure values in the experiment cabinet 11 are displayed on the display panel 131.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (10)
1. A low-temperature environment experiment simulation box is characterized by comprising a box body;
the box body comprises an experiment cabinet consisting of an experiment cabinet body and a bottom plate;
the lower parts of the left side and the right side of the inner wall of the experiment cabinet body are provided with sliding chutes, and the lower part of the rear side of the inner wall of the experiment cabinet body is provided with clamping grooves; the left side and the right side of the bottom plate are both fixedly provided with sliding blocks, and the rear side of the bottom plate is fixedly provided with a clamping block; the sliding block is in sliding fit with the sliding groove, and the clamping block is matched with the clamping groove.
2. The low-temperature environment experiment simulation box of claim 1, wherein a hinge is fixedly installed on the outer wall of one side of the experiment cabinet body, and a cabinet door is fixedly installed on the outer wall of the hinge.
3. The experimental simulation box of claim 1, wherein universal wheels are fixedly installed at four corners of the lower surface of the bottom plate.
4. The experimental simulation box for low temperature environment as claimed in claim 1, wherein a layer of heat insulation cotton is disposed on the inner wall of the experimental cabinet body, the upper surface of the bottom plate and the inner wall of the cabinet door.
5. The experimental simulation box for low temperature environment as claimed in claim 1, wherein the upper part of the experimental cabinet body is provided with an air outlet, and the air outlet is in sealed communication with the air inlet of the air drying tower through a pressure-resistant pipe.
6. The experimental simulation box of claim 5, wherein the air outlet of the air drying tower is in sealed communication with the oil pump through a pressure pipe.
7. The experimental simulation box of claim 5, wherein the air drying tower contains allochroic silica gel.
8. The experimental simulation box of claim 1, wherein an evaporator is fixedly installed on the inner wall of the experimental cabinet body.
9. The experimental simulation box for a low temperature environment of claim 8, wherein the box body further comprises a refrigeration cabinet, and a compressor, a condenser and an expansion valve are installed in the refrigeration cabinet; the evaporator, the compressor, the condenser and the expansion valve are sequentially communicated in a sealing manner to form a refrigeration cycle system.
10. The experimental simulation box for low temperature environment of claim 1, wherein the box body further comprises a control cabinet, and a control panel is mounted on the control cabinet for setting experimental parameters; a switch panel is arranged above the control panel, and a power switch is arranged on the switch panel; a display panel is arranged above the switch panel, and a thermometer and a pressure gauge are mounted on the display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121881573.1U CN216082838U (en) | 2021-08-11 | 2021-08-11 | Low temperature environment experiment simulation box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121881573.1U CN216082838U (en) | 2021-08-11 | 2021-08-11 | Low temperature environment experiment simulation box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216082838U true CN216082838U (en) | 2022-03-18 |
Family
ID=80669394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121881573.1U Active CN216082838U (en) | 2021-08-11 | 2021-08-11 | Low temperature environment experiment simulation box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216082838U (en) |
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2021
- 2021-08-11 CN CN202121881573.1U patent/CN216082838U/en active Active
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