Air conditioning device applied to security inspection equipment in nitrogen environment

Abstract

The utility model provides an air conditioning device applied to security inspection equipment in a nitrogen environment, the air conditioning device is embedded in the bottom of the security inspection equipment, refrigeration or heating is provided for the security inspection equipment through air pipe connection, and the air conditioning device comprises a horizontal shell, a vertical partition plate is arranged in the horizontal shell so as to divide the internal space of the horizontal shell into a first area communicated with the outside and a second area communicated with the interior of the security inspection equipment; a compressor, a condenser and double condensate fans are installed in the first area, and the double condensate fans are installed on the left side and the right side of the first area respectively. An evaporator, an expansion valve, an electric heating module and an evaporation fan are installed in the second area. The device provided by the utility model is small in size, does not occupy too much space, and can effectively refrigerate or heat security inspection equipment.

Description

Technical Field

[0001] The utility model relates to the field of cooling of test equipment, in particular to an air conditioning device applied to security inspection equipment in a nitrogen environment. Background Art

[0002] In security inspection equipment, the air conditioning device is one of the key components to ensure the normal operation of the equipment. Since security inspection equipment usually needs to work in high-temperature, high-humidity or special gas environments, the requirements for the air conditioning device are correspondingly increased. Traditional air conditioning devices have many deficiencies in a nitrogen environment, such as low cooling efficiency, short equipment life, high maintenance costs, etc. Summary of the Utility Model

[0003] The utility model provides an air conditioning device applied to security inspection equipment in a nitrogen environment. The air conditioning device is embedded at the bottom of the security inspection equipment and is connected through an air duct to provide refrigeration or heating for the security inspection equipment.

[0004] The air conditioning device includes a horizontal shell. A vertical partition is provided in the horizontal shell to divide the internal space of the horizontal shell into a first area communicating with the outside and a second area communicating with the inside of the security inspection equipment.

[0005] A compressor, a condenser and a double condensation fan are installed in the first area. The double condensation fan is respectively installed on the left and right sides of the first area.

[0006] An evaporator, an expansion valve, an electric heating module and an evaporation fan are installed in the second area. The compressor, the condenser and the evaporator are all connected to the expansion valve. An evaporator is provided on both sides of the expansion valve, and an electric heating module is configured on each evaporator. The second area is divided into a middle return air area and two air outlet areas on both sides of the return air area by two evaporators. An evaporation fan is installed in each air outlet area. The return air area and the air outlet area are respectively communicated with the inside of the security inspection equipment through a return air pipeline and an air outlet pipeline.

[0007] Further, the condenser is a microchannel heat exchanger.

[0008] Further, the evaporation fan is a volute fan.

[0009] Further, the height of the horizontal shell ≤ 490 mm, and the rated refrigeration and heating powers of the air conditioning device are both 6 KW.

[0010] Further, the electric heating module is installed on the side of the evaporator close to the evaporation fan.

[0011] Further, pipeline connectors with the same diameter are installed on the outer sides of the horizontal shell in the return air area and the air outlet area.

[0012] The advantages of the utility model are as follows:

[0013] 1. Improve cooling efficiency: By adopting a microchannel heat exchanger as the condenser, the heat transfer efficiency can be effectively improved, thereby enhancing the cooling performance of the entire air conditioning device. The microchannel heat exchanger has smaller fluid channels, which can increase the contact area between the fluid and the heat transfer surface, thus improving the heat exchange efficiency.

[0014] 2. Prolong the equipment life: Through reasonable layout and optimized design, the operation of each component of the present utility model is more stable, reducing wear and failure rate, thereby prolonging the overall service life of the air conditioning device.

[0015] 3. Reduce maintenance costs: The volute fan is adopted as the evaporation fan. The volute fan has the characteristics of simple structure, stable operation and convenient maintenance. In addition, the air conditioning device of the present utility model is designed compactly, which is convenient for disassembly and maintenance, reducing the maintenance cost.

[0016] 4. Have the electric auxiliary heating function: By configuring an electric heating module on each evaporator, hot air can be obtained when needed, improving the adaptability of the air conditioning device in different environments.

[0017] 5. Reasonable space utilization: Through the design of the horizontal shell and the internal partition of the air conditioning device of the present utility model, different functional areas are reasonably divided, making the entire device structure compact, saving installation space, and being particularly suitable for use in a nitrogen environment with limited space.

[0018] 6. Improve the refrigeration and heating effects: The rated refrigeration and heating powers of the air conditioning device of the present utility model are both 6KW, which can meet the refrigeration and heating requirements of the security inspection equipment in different environments, ensuring that the equipment can operate normally under various working conditions.

[0019] In summary, in the application of the air conditioning device of the present utility model in the security inspection equipment in a nitrogen environment, it not only improves the cooling efficiency and equipment life, but also reduces the maintenance cost, improves the reliability, and reasonably utilizes the space, enhancing the refrigeration and heating effects, having significant technical advantages and application values. Brief Description of the Drawings

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the following-described drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0021] Figure 1 It is a schematic diagram of the outer shell of an air conditioning device for a security inspection equipment applied in a nitrogen environment according to the present utility model;

[0022] Figure 2 This is the internal structure diagram of the air conditioning device of the present utility model;

[0023] Figure 3 It is Figure 2 The internal structure diagram with the return air outlet panel hidden on the basis. Specific implementation manners

[0024] In the following description, a large number of specific details are given to provide a more thorough understanding of the present utility model. However, it is obvious to those skilled in the art that the present utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the present utility model, some well-known technical features in the art are not described.

[0025] In order to thoroughly understand the present utility model, detailed steps and detailed structures will be proposed in the following description to explain the technical solution of the present utility model. The preferred embodiments of the present utility model are described in detail as follows. However, in addition to these detailed descriptions, the present utility model can also have other implementation manners.

[0026] Referring to Figures 1-3 As shown, the present utility model provides an air conditioning device applied to security inspection equipment in a nitrogen environment. The air conditioning device is embedded at the bottom of the security inspection equipment and provides refrigeration or heating for the security inspection equipment through an air duct connection.

[0027] The air conditioning device includes a horizontal shell 10. A vertical partition 10-1 is provided in the horizontal shell 10 to divide the internal space of the horizontal shell 10 into a first area 11 communicating with the outside and a second area 12 communicating with the inside of the security inspection equipment.

[0028] A compressor 7, a condenser 9 and a double condensation fan 6 are installed in the first area 11. The double condensation fan 6 is respectively installed on the left and right sides of the first area 11.

[0029] An evaporator 3, an expansion valve 4, a double electric heating module 5 and a double evaporation fan 2 are installed in the second area 12. The compressor 7 is connected to the expansion valve 4 through a copper pipe. The condenser 9 and the evaporator 3 are respectively connected to the expansion valve 4 through a condensation pipeline 8 and an evaporation pipeline 1. An evaporator 3 is provided on both sides of the expansion valve 4, and an electric heating module 5 is configured on each evaporator 3 ( Figure 2 and Figure 3The electric heating module 5 on the right evaporator 3 is hidden, and the electric heating module 5 is installed on the side of the evaporator 3 close to the evaporation fan 2. The second area 12 is divided into a middle return air area 121 and two air outlet areas 122 on both sides of the return air area 121 by two evaporators 3. An evaporation fan 2 is installed in each air outlet area 122. The return air area 121 and the air outlet areas 122 are respectively connected to the inside of the security inspection equipment through a return air pipeline and an air outlet pipeline.

[0030] In a preferred embodiment, the condenser 9 is a microchannel heat exchanger, which has the advantages of high heat exchange efficiency and small volume, and can meet the special requirements for space and efficiency in the nitrogen environment. The use of the microchannel heat exchanger makes the entire air conditioning device more compact, facilitating installation and maintenance.

[0031] In a preferred embodiment, the evaporation fan 2 is a volute fan, which has high air pressure and low noise, can provide stable air volume, and ensure uniform cooling in the nitrogen environment. The use of the volute fan not only improves the cooling efficiency, but also reduces the noise interference during the operation of the equipment, providing a more comfortable working environment for the operator.

[0032] The air conditioning device is installed at the bottom of the equipment, so the overall height of the horizontal shell 10 should not be too high. By optimizing the internal design, the height of the horizontal shell 10 of the present invention is ≤ 490 mm, thus meeting the space limitation requirements of the security inspection equipment. In addition, the rated cooling and heating powers of the air conditioning device of the present invention are both 6 KW, which can meet the cooling and heating requirements and ensure the stable operation of the security inspection equipment in different environments.

[0033] Pipeline connectors 13 are installed on the outer sides of the horizontal shell 10 in the return air area 121 and the air outlet areas 122. The return air pipeline and the air outlet pipeline are installed through the pipeline connectors 13. The diameters of the pipeline connectors 13 are the same, so that the return air pipeline and the air outlet pipeline can adopt pipelines of the same specification, reducing the equipment cost.

[0034] The preferred embodiments of the present invention have been described above. It should be understood that the present invention is not limited to the above specific embodiments. The equipment and structures not described in detail should be understood to be implemented in a common manner in the art; any person skilled in the art can make many possible changes and modifications to the technical solution of the present invention, or modify it into an equivalent embodiment with equivalent changes, without departing from the scope of the technical solution of the present invention, which does not affect the essence of the present invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the protection of the technical solution of the present invention.

Claims

1. An air conditioning device for security inspection equipment in a nitrogen environment, wherein the air conditioning device is embedded in the bottom of the security inspection equipment and connected through an air duct to provide cooling or heating for the security inspection equipment, characterized in that: The air conditioning device comprises a horizontal shell (10), wherein a vertical partition (10-1) is provided in the horizontal shell (10) to divide the internal space of the horizontal shell (10) into a first area (11) communicating with the outside and a second area (12) communicating with the inside of the security inspection device; A compressor (7), a condenser (9) and a dual condensing fan (6) are installed in the first area (11), and the dual condensing fans (6) are installed on the left and right sides of the first area (11) respectively; An evaporator (3), an expansion valve (4), an electric heating module (5) and an evaporation fan (2) are installed in the second area (12); the compressor (7), the condenser (9) and the evaporator (3) are all connected to the expansion valve (4); an evaporator (3) is arranged on both sides of the expansion valve (4); and each evaporator (3) is provided with an electric heating module (5); the second area (12) is divided into a return air area (121) in the middle and two air outlet areas (122) located on both sides of the return air area (121) by the two evaporators (3); an evaporation fan (2) is installed in each air outlet area (122); and the return air area (121) and the air outlet area (122) are connected to the interior of the security inspection equipment through a return air pipeline and an air outlet pipeline, respectively.

2. The air conditioning device for security inspection equipment in a nitrogen environment as claimed in claim 1, characterized in that: The condenser (9) is a microchannel heat exchanger.

3. The air conditioning device for security inspection equipment in a nitrogen environment as claimed in claim 1, characterized in that: The evaporating fan (2) is a volute fan.

4. The air conditioning device for security inspection equipment in a nitrogen environment as claimed in claim 1, characterized in that: The height of the horizontal shell (10) is ≤490 mm, and the rated cooling and heating powers of the air conditioning device are both 6 kW.

5. The air conditioning device for security inspection equipment in a nitrogen environment as claimed in claim 1, characterized in that: The electric heating module (5) is installed on a side of the evaporator (3) close to the evaporation fan (2).

6. The air conditioning device for security inspection equipment in a nitrogen environment as claimed in claim 1, characterized in that: Pipe joints (13) with the same caliber are installed on the outer sides of the horizontal shell (10) located in the return air area (121) and the outlet air area (122).

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