A cabinet air conditioner and a control cabinet with the same

Abstract

The utility model discloses a kind of cabinet air conditioner and control cabinet with it;It is related to refrigeration equipment technical field;A kind of cabinet air conditioner, including the cover plate and shell of snap-fit connection, vortex tube is installed in shell interior;First hot air flow outlet is set up with the hot airflow outlet end corresponding of vortex tube in the top of cover plate, the cold air flow outlet is set up with the cold airflow outlet end corresponding of vortex tube in the bottom of shell;The top of shell is provided with hot air recovery port, the top of cover plate is provided with second hot air flow outlet, hot air recovery port is communicated with second hot air flow outlet by heat exchange channel in shell interior, realizes heat exchange circulation to outside;Vortex tube divides compressed air into cold, hot two air flows, hot airflow is discharged outside cabinet through hot air flow outlet, cold airflow is sent into cabinet through cold air flow outlet, cools inside cabinet, also provide a kind of control cabinet, including control cabinet ontology, shell is embedded in control cabinet ontology interior, cover plate is located control cabinet ontology outside.

Description

Technical Field

[0001] This utility model relates to the field of refrigeration equipment technology, and more specifically to a cabinet air conditioner and a control cabinet having the same. Background Technology

[0002] In the installation of industrial electrical equipment, more and more industrial electrical control cabinets are being installed on-site or near the machinery to save on installation costs and reduce the complexity of the installation process. During the installation and operation of industrial electrical equipment, with the increasing popularity of new technologies such as variable frequency speed control and to meet various control needs, industrial electrical control cabinets (such as PLC control cabinets and variable frequency control cabinets) typically integrate many high-precision control modules that generate significant heat, as well as various discrete electronic components (such as frequency converters, solid-state relays, transformers, and various rectifier modules). The heat dissipation and temperature control of the components within industrial electrical control cabinets have always been a key area of ​​concern.

[0003] During operation, these components generate a lot of heat and are sensitive to high temperatures. If the temperature inside the electrical control cabinet is consistently above 40°C, these precision components will age prematurely, shortening their lifespan. Traditional cabinet temperature control equipment often uses mechanical refrigeration methods, such as compressors or semiconductor cooling chips. However, mechanical refrigeration equipment usually requires Freon as a refrigerant, and the use of Freon brings a series of environmental problems, such as ozone layer depletion and the greenhouse effect. This not only puts pressure on environmental protection but also increases the later maintenance costs of the equipment.

[0004] Therefore, how to provide a cabinet air conditioner that does not require Freon refrigerant and can achieve efficient cooling is a problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0005] In view of this, the present invention provides a cabinet air conditioner and a control cabinet having the same, in order to solve the above-mentioned technical problems.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A cabinet air conditioner includes a cover plate and a housing that are fastened together. A vortex tube is installed inside the housing. The top of the cover plate has a first hot air outlet corresponding to the hot air outlet end of the vortex tube, and the bottom of the housing has a cold air outlet corresponding to the cold air outlet end of the vortex tube.

[0008] The top of the housing has a hot air recovery port, and the top of the cover plate has a second hot air exhaust port. The hot air recovery port is connected to the second hot air exhaust port through a heat exchange channel inside the housing, so as to realize heat exchange circulation to the outside.

[0009] Through the above technical solution, the present invention provides a cabinet air conditioner in which a vortex tube is used as a refrigeration component to split compressed air into two airflows: a hot airflow and a cold airflow. The hot airflow is discharged to the outside of the cabinet through the hot airflow outlet, while the cold airflow is sent into the inside of the cabinet through the cold airflow outlet, thereby cooling the inside of the cabinet and its components. By physically separating the hot and cold airflows, the risk of Freon leakage is eliminated. The hot air recovery port at the top of the shell is connected to the second hot airflow outlet at the top of the cover plate through a heat exchange channel. The cold airflow is injected into the cabinet from the cold airflow outlet at the bottom of the shell, while the hot air rises naturally. The hot air passes through the hot air recovery port and then through the heat exchange channel to the second hot airflow outlet, forming a self-driven convection circulation, achieving efficient heat dissipation and effectively preventing high-temperature aging of components.

[0010] Preferably, in the above-mentioned rack-mount air conditioner, a partition is installed inside the housing, and a heat exchange channel is formed within the partition, communicating with the hot air recovery port and the second hot air exhaust port. Installing the partition inside the housing helps to form an effective heat exchange channel, making the connection between the hot air recovery port and the second hot air exhaust port smoother and more efficient. This structural design helps guide the flow direction of hot air, enhances the heat exchange effect, further improves the cooling performance of the rack-mount air conditioner, and ensures that the heat generated inside the control cabinet can be discharged in a timely manner. At the same time, the partition isolates the heat exchange channel from other components, making the internal structure of the rack-mount air conditioner more compact and saving space.

[0011] Preferably, in the above-mentioned rack-mount air conditioner, a first silencer is connected to the hot air outlet end of the vortex tube, and a second silencer is connected to the cold air outlet end of the vortex tube. Connecting the first and second silencers to the hot and cold air outlet ends of the vortex tube respectively effectively reduces the noise generated during the vortex tube's cooling process. This not only provides a good working environment for the rack-mount air conditioner, reducing the impact of noise on the surrounding environment and equipment, but also extends the service life of the equipment and improves its operational stability.

[0012] Preferably, in the above-mentioned cabinet air conditioner, a third silencer, corresponding to and communicating with the second silencer, is installed on the partition below the heat exchange channel. The third silencer is located corresponding to the cold air outlet. The corresponding communication between the third silencer and the second silencer further optimizes the path of the cold airflow, reduces airflow resistance, and improves the emission efficiency of the cold airflow. Furthermore, the correspondence between the third silencer and the cold air outlet allows for more uniform emission from the cold air outlet, increasing the coverage and cooling effect of the cold airflow and enhancing the cooling effect on the electronic components inside the control cabinet.

[0013] Preferably, in the above-mentioned rack-mounted air conditioner, the air inlet end of the vortex tube is connected to an air supply assembly. The air supply assembly includes an input port that connects to an external air source via a quick-connect plug and a solenoid valve. The inlet end of the solenoid valve is connected to the input port via a connecting pipe, and the outlet end of the solenoid valve is connected to the air inlet end of the vortex tube. This structural design achieves a stable supply of working air to the vortex tube, and the solenoid valve can precisely control the on / off state of the air source, thereby realizing the start / stop control of the rack-mounted air conditioner and improving the automation level and ease of operation of the equipment.

[0014] Preferably, in the above-mentioned rack-mount air conditioner, a pressure detection element is installed on the connecting pipe. The pressure detection element can monitor the pressure during the air supply process in real time; once an abnormal pressure occurs, such as too high or too low, an alarm can be issued promptly or corresponding measures can be taken to ensure the normal operation of the rack-mount air conditioner, avoid equipment damage or poor cooling effect due to pressure problems, and improve the safety and reliability of equipment operation.

[0015] Preferably, in the above-mentioned rack-mounted air conditioner, a display control circuit board and a main control circuit board are installed inside the housing. The display control circuit board and the main control circuit board are the core control components of the rack-mounted air conditioner, responsible for processing sensor signals such as temperature and humidity, and controlling the operating status of the equipment; through the design of the circuit boards, the rack-mounted air conditioner can realize multiple functions such as temperature control, humidity control, and remote communication, meeting the usage needs in different scenarios.

[0016] Preferably, in the above-mentioned cabinet air conditioner, an LCD screen is embedded in the cover plate, and touch keys are provided on the LCD screen. The touch keys are electrically connected to the display control circuit board. A temperature sensor and a humidity sensor are installed inside the housing, and the temperature sensor and the humidity sensor are electrically connected to the main control circuit board. Embedding the LCD screen and touch keys in the cover plate forms an intuitive and easy-to-operate human-machine interface, allowing users to intuitively understand the operating status of the cabinet air conditioner and set equipment parameters through touch operation, thus improving the ease of use of the equipment. The temperature sensor and humidity sensor can monitor the environmental parameters inside the cabinet in real time. Based on the information fed back by the sensors, the main control circuit board automatically controls the operating status of the cabinet air conditioner, such as starting and stopping, and adjusting the cooling intensity, to ensure that the equipment operates in a suitable environment, maintain the stability of the environment inside the control cabinet, and meet the requirements of the electronic components for the working environment.

[0017] Preferably, in the aforementioned cabinet air conditioner, the jet direction of the cold air outlet forms a downward angle of 15°-45° with the horizontal plane. This allows the cold airflow to enter the control cabinet at a certain angle. This design facilitates better coverage of all areas within the control cabinet by the cold airflow, especially effectively cooling electronic components located at the bottom or in corners, improving temperature uniformity and cooling efficiency throughout the control cabinet, and extending the service life of the electronic components.

[0018] This utility model also provides a control cabinet, including a control cabinet body and the aforementioned cabinet air conditioner. The housing is embedded inside the control cabinet body, and the cover plate is located on the outside of the control cabinet body. The cover plate and housing are fastened together, ensuring the overall structural stability of the cabinet air conditioner and facilitating installation and maintenance.

[0019] As can be seen from the above technical solution, compared with the prior art, the present invention discloses a cabinet air conditioner and a control cabinet having the same, which has the following beneficial effects:

[0020] 1. This utility model uses vortex tube refrigeration, which only requires the input of dry compressed air to split the compressed air into two airflows, cold and hot. The temperature of the cold airflow can be as low as -40℃, which can quickly reduce the temperature inside the control cabinet, ensuring that electrical components operate within a suitable temperature range and effectively extending their service life. It does not require Freon or chemical refrigerants, avoiding the environmental pollution caused by refrigerant leakage in traditional mechanical refrigeration equipment, such as ozone layer depletion and greenhouse effect, thus meeting environmental protection requirements. The hot air recovery port at the top of the shell and the second hot air outlet at the top of the cover are connected through a heat exchange channel. The cold airflow is injected into the cabinet from the cold air outlet at the bottom of the shell, and the hot air rises naturally. The hot air passes through the hot air recovery port and the heat exchange channel to the second hot air outlet, forming a self-driven convection circulation, further optimizing the cooling effect.

[0021] 2. This utility model has a remote communication function, which can remotely set the temperature and humidity, and remotely start and stop, which helps to improve work efficiency and reduce human error. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0023] Figure 1 The attached figure is a structural schematic diagram of the cabinet air conditioner provided by this utility model;

[0024] Figure 2 The attached figure is a schematic diagram of the internal structure of the shell provided by this utility model;

[0025] Figure 3 The attached figure is a schematic diagram of the internal structure of the shell provided by this utility model from another angle;

[0026] Figure 4 The attached figure shows an exploded view of the cabinet air conditioner provided by this utility model.

[0027] Figure 5 The attached figure is a structural schematic diagram of the control cabinet and cabinet air conditioner provided by this utility model;

[0028] Figure 6 The attached figure is a cross-sectional view of the control cabinet and cabinet air conditioner provided by this utility model.

[0029] in:

[0030] 1-Cover plate; 11-First hot air outlet; 12-Second hot air outlet; 13-LCD display screen; 2-House; 21-Cold air outlet; 22-Hot air recovery port; 23-Heat exchange channel; 24-Baffle; 25-Display control circuit board; 26-Main control circuit board; 27-Temperature sensor; 28-Humidity sensor; 3-Vortex tube; 31-Hot air outlet; 32-Cold air outlet; 33-First silencer; 34-Second silencer; 35-Third silencer; 4-Air supply assembly; 41-Quick connector; 42-Input port; 43-Solenoid valve; 44-Connecting pipe; 45-Air pressure detection element; 5-Control cabinet body. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] See appendix Figure 1 To be continued Figure 4 This utility model discloses a cabinet air conditioner, including a cover plate 1 and a housing 2 that are fastened together.

[0033] The shell 2 is equipped with a vortex tube 3; the top of the cover plate 1 is provided with a first hot air outlet 11 corresponding to the hot air outlet end 31 of the vortex tube 3, and the bottom of the shell 2 is provided with a cold air outlet 21 corresponding to the cold air outlet end 32 of the vortex tube 3.

[0034] The top of the housing 2 is provided with a hot air recovery port 22, and the top of the cover plate 1 is provided with a second hot air outlet 12. The hot air recovery port 22 is connected to the second hot air outlet 12 through the heat exchange channel 23 inside the housing 2, so as to realize heat exchange circulation to the outside.

[0035] To further optimize the above technical solution, the structure and working principle of the vortex tube 3 are the same as those of the existing technology, and will not be described again here.

[0036] To further optimize the above technical solution, a partition 24 is installed inside the housing 2, and a heat exchange channel 23 is formed inside the partition 24, which is connected to the hot air recovery port 22 and the second hot air outlet 12.

[0037] To further optimize the above technical solution, the structure of the partition 24 is shown in Figure 3.

[0038] To further optimize the above technical solution, a first silencer 33 is connected to the hot air outlet end 31 of the vortex tube 3, and a second silencer 34 is connected to the cold air outlet end 32 of the vortex tube 3.

[0039] To further optimize the above technical solution, a third silencer 35, corresponding to and connected to the second silencer 34, is installed on the partition 24 below the heat exchange channel 23. The third silencer 35 is located corresponding to the cold air outlet 21. The installation method of the second silencer 34 and the third silencer 35 is as follows: Figure 3 As shown, installation can be achieved through flange mounting or other connecting parts.

[0040] To further optimize the above technical solution, the first silencer 33, the second silencer 34, and the third silencer 35 are made of porous foam glass, with gas emitted from the center to the surrounding area to absorb sound. This structure is existing technology, and its structural configuration and working principle are the same as existing technologies, so they will not be described in detail here.

[0041] To further optimize the above technical solution, the air inlet end of the vortex tube 3 is connected to an air supply component 4. The air supply component 4 includes an input port 42 that is connected to an external air source through a quick-connect plug 41 and a solenoid valve 43. The inlet end of the solenoid valve 43 is connected to the input port 42 through a connecting pipe 44, and the outlet end of the solenoid valve 43 is connected to the air inlet end of the vortex tube 3.

[0042] To further optimize the above technical solution, a pressure detection element 45 is installed on the connecting pipe 44.

[0043] To further optimize the above technical solution, a display control circuit board 25 and a main control circuit board 26 are installed inside the housing 2.

[0044] To further optimize the above technical solution, a liquid crystal display screen 13 is embedded on the cover plate 1, and touch keys are on the liquid crystal display screen 13. The touch keys are electrically connected to the display control circuit board 25. A temperature sensor 27 and a humidity sensor 28 are installed inside the housing 2. The temperature sensor 27 and the humidity sensor 28 are electrically connected to the main control circuit board 26.

[0045] To further optimize the above technical solution, the touch keys are configured to run the touch panel, stop the touch panel, and automatically run the touch panel, allowing users to operate using different touch keys depending on the actual situation.

[0046] To further optimize the above technical solution, the jet direction of the cold air outlet 12 is at a downward angle of 15°-45° to the horizontal plane.

[0047] To further optimize the above technical solution, a switch is installed at the bottom of the housing 2.

[0048] See appendix Figures 5-6 This utility model provides a control cabinet, including a control cabinet body 5 and the aforementioned cabinet air conditioner. The housing 2 is embedded inside the control cabinet body 5, and the cover plate 1 is located on the outside of the control cabinet body 5.

[0049] To further optimize the above technical solution, a control unit is also included, which can realize remote communication function. The control unit is electrically connected to the above components and can adjust various operating parameters of each component and other information according to the actual situation to meet the requirements.

[0050] The embodiments of this utility model are as follows:

[0051] Operating status: Install housing 2 and cover plate 1 on the control cabinet body 5, with cover plate 1 located on the outside of the control cabinet body 5. Connect the external air source (compressed air) to inlet 42, which is supplied with 0.7MPa dry compressed air. Lightly touch the touch key on the corresponding operation touch panel. After the signal is processed by the display control circuit board 25 and the main control circuit board 26, the control solenoid valve 43 is activated. The compressed air enters the vortex tube 3 from the inlet 42 through the connecting pipe 44. After being processed by the vortex tube 3, the compressed air is separated into a hot air stream and a cold air stream. The hot air stream is silenced by the first silencer and then discharged to the outside of the control cabinet body 5 from the first hot air stream outlet 11. The cold air stream passes through the second and third silencers and then exits from the cold air stream outlet. 21. Entering the control cabinet body 5, the air cools the components inside. The cold air sinks and the hot air rises inside the control cabinet body 5. Since the control cabinet body 5 is a sealed space, the rising hot air is forced to enter the hot air recovery port 22 located at the top of the shell 2, and then through the heat exchange channel 23 to the outside of the control cabinet body 5 from the second hot air outlet 12. After a certain period of time, the inside of the control cabinet body 5 is filled with cold air. After the cold air exchanges heat with the electronic components, it becomes hot air at a slightly higher temperature. After the hot air rises, it passes through the hot air recovery port 22 at the top of the shell 2, and through the heat exchange channel 23 to the outside of the control cabinet body 5 from the second hot air outlet 12, forming a circulation to achieve the cooling purpose.

[0052] Simultaneously, it also features an automatic operation mode. An external air source (compressed air) is connected to inlet 42, which receives 0.7MPa dry compressed air. A long press on the corresponding automatic operation touch panel enters the temperature setting menu to set the control temperature. A light touch on the automatic operation touch panel activates the temperature sensor 27, which detects the current temperature inside the control cabinet 5 and compares it with the set temperature. If the detected temperature is not greater than the set temperature +2℃, the solenoid valve 43 remains closed. If the detected temperature is greater than the set temperature +2℃, the signal is processed by the display, display control circuit board 25, and main control circuit board 26, which then controls the solenoid valve 43 to open. Compressed air enters the vortex tube 3 from inlet 42 via connecting pipe 44. After processing by the vortex tube 3, the compressed air is separated into a hot air stream and a cold air stream. The hot air stream is silenced by the first silencer 33 and discharged from the first hot air stream outlet 11 to the outside of the control cabinet 5. The cold air stream is silenced by the second silencer 34 and the third silencer 35 and discharged from the cold air stream outlet 2. Air is discharged into the control cabinet body 5 to cool the electronic components of the control cabinet body 5. The cold air inside the control cabinet body 5 sinks and the hot air rises. Since the control cabinet body 5 is a sealed space, the rising hot air is forced to enter the hot air recovery port 22 located at the top of the shell 2, and then through the heat exchange channel 23 to the outside of the control cabinet body 5 from the second hot air outlet 12. After a certain period of time, the inside of the control cabinet body 5 is filled with cold air. After the cold air exchanges heat with the electronic components, it becomes hot air at a slightly higher temperature. After the hot air rises, it passes through the hot air recovery port 22 at the top of the shell 2, and through the heat exchange channel 23 to the outside of the control cabinet body 5 from the second hot air outlet 12, forming a circulation to achieve the purpose of cooling. When the temperature drops to the set temperature of -2℃, the signal is processed by the display, display control circuit board 25 and main control circuit board 26 and the solenoid valve 43 is closed. At the same time, the set target value of the built-in humidity sensor 28 is also set. When the humidity is detected to be greater than the design target value, dehumidification and other measures are activated.

[0053] Stopped state: When the equipment is in running or automatic running state, lightly touch the stop touch panel corresponding to the touch key to exit the running or automatic running state of the cabinet air conditioner, close the solenoid valve 43, and stop running.

[0054] All technologies not mentioned in this utility model are existing technologies.

[0055] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. For the apparatus disclosed in the embodiments, since they correspond to the methods disclosed in the embodiments, the description is relatively simple; relevant parts can be referred to the method section.

[0056] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A cabinet air conditioner, comprising a cover plate (1) and a housing (2) that are fastened together, characterized in that: The housing (2) is equipped with a vortex tube (3); the top of the cover plate (1) is provided with a first hot air outlet (11) corresponding to the hot air outlet end (31) of the vortex tube (3), and the bottom of the housing (2) is provided with a cold air outlet (21) corresponding to the cold air outlet end (32) of the vortex tube (3). The top of the housing (2) is provided with a hot air recovery port (22), and the top of the cover plate (1) is provided with a second hot air outlet (12). The hot air recovery port (22) is connected to the second hot air outlet (12) through the heat exchange channel (23) inside the housing (2) to realize heat exchange circulation to the outside.

2. A cabinet air conditioner according to claim 1, characterized in that, The housing (2) is equipped with a partition (24), and a heat exchange channel (23) is formed in the partition (24) that communicates with the hot air recovery port (22) and the second hot air outlet (12).

3. A cabinet air conditioner according to claim 2, characterized in that, The hot air outlet end (31) of the vortex tube (3) is connected to a first silencer (33), and the cold air outlet end (32) of the vortex tube (3) is connected to a second silencer (34).

4. A cabinet air conditioner according to claim 3, characterized in that, The partition (24) and below the heat exchange channel (23) is equipped with a third silencer (35) that is connected to the second silencer (34), and the third silencer (35) is located at the cold air outlet (21).

5. A cabinet air conditioner according to claim 1, characterized in that, The air inlet of the vortex tube (3) is connected to an air supply assembly (4). The air supply assembly (4) includes an input port (42) that is connected to an external air source via a quick-connect plug (41) and a solenoid valve (43). The inlet of the solenoid valve (43) is connected to the input port (42) via a connecting pipe (44), and the outlet of the solenoid valve (43) is connected to the air inlet of the vortex tube (3).

6. A cabinet air conditioner according to claim 5, characterized in that, A pressure detection element (45) is installed on the connecting pipe (44).

7. A cabinet air conditioner according to claim 1, characterized in that, The housing (2) contains a display control circuit board (25) and a main control circuit board (26).

8. A cabinet air conditioner according to claim 7, characterized in that, The cover plate (1) is embedded with a liquid crystal display screen (13), and the liquid crystal display screen (13) has touch keys, which are electrically connected to the display control circuit board (25); a temperature sensor (27) and a humidity sensor (28) are installed inside the housing (2), and the temperature sensor (27) and the humidity sensor (28) are electrically connected to the main control circuit board (26).

9. A cabinet air conditioner according to claim 1, characterized in that, The jet direction of the cold air outlet (21) is at a downward angle of 15°-45° to the horizontal plane.

10. A control cabinet, characterized in that, Includes a control cabinet body (5) and a cabinet air conditioner as described in any one of claims 1-9, wherein the housing (2) is embedded inside the control cabinet body (5) and the cover plate (1) is located outside the control cabinet body (5).

Images