Air handling plenum

Abstract

The application relates to the technical field of air conditioning equipment, in particular to an air treatment air cabinet. The air treatment air cabinet comprises a shell, an air duct arranged in the shell, and a return air passage, a heat exchange passage and a supply air passage arranged in sequence along the air flow direction; the return air passage and the supply air passage are arranged in parallel side by side, so that the air duct is in a U-shaped structure; a filter module, a heat exchange module, a fan module and a sound elimination module are arranged in the air duct. According to the application, the air duct is arranged in a U-shaped structure, so that the air flow path in the air cabinet is more reasonable, the air flow resistance is reduced to a certain extent, and the air treatment efficiency is improved. Since the filter module is mainly arranged in the return air passage, the space occupied by the filter module is sufficient, so that the filter module can be thicker under the condition of the same air passing area, the overall filter area is larger, the service life is longer, and the replacement period of the filter module is greatly prolonged.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of air conditioning equipment, in particular to an air treatment air cabinet. BACKGROUND

[0002] The air treatment unit mainly relies on the rotation of the fan to drive the indoor (or outdoor) air to exchange heat with the internal coil of the unit, and filter the impurities in the air, so as to control the temperature and humidity of the indoor air and the air cleanliness. The full-air air cabinet is usually installed in the machine room or outdoors, and has the characteristics of large air supply, multi-functional adjustment of the whole house, long-term operation, etc.

[0003] The air treatment air cabinets currently existing on the market generally have the problems of inconvenient pipe connection, large noise, small cooling capacity, poor electrical safety, and short filter screen life. SUMMARY

[0004] Therefore, the present application provides an air treatment air cabinet to solve the above problems.

[0005] In a first aspect, the present application provides an air treatment air cabinet, which comprises:

[0006] A shell, which is internally provided with an air duct, along the air flow direction, the air duct comprises a return air passage, a heat exchange passage and a supply air passage arranged in sequence; the return air passage and the supply air passage are arranged side by side in parallel, so that the air duct has a U-shaped structure;

[0007] A filter module arranged in the return air passage;

[0008] A heat exchange module arranged in the heat exchange passage;

[0009] A fan module arranged in the supply air passage;

[0010] A silencing module arranged in the supply air passage; and along the air flow direction, the silencing module is located downstream of the fan module.

[0011] Beneficial effects: the air flow path in the air cabinet is more reasonable, the air flow resistance is reduced to a certain extent, and the air treatment efficiency is improved. Compared with the traditional straight air duct, the space occupied by the air duct can be reduced under the condition of the same air duct length, thereby reducing the shell volume and facilitating user use. Meanwhile, under the condition of the same occupied volume, the U-shaped air duct can assemble more functional modules, thereby improving the product competitiveness. Moreover, since the filter module is mainly installed in the return air passage, the space occupied by the filter module is sufficient, so that the filter module can be thicker under the condition of the same air flow area, the overall filter area is larger, and the service life is longer, thereby greatly prolonging the replacement cycle of the filter module.

[0012] In an alternative embodiment, the air treatment air cabinet further comprises:

[0013] The pipeline interface is composed of a pipeline neck and a flange part, the pipeline neck is arranged on the return air passage or the air supply passage, and the flange part is in the form of a ring structure and is detachably sleeved on the pipeline neck.

[0014] Beneficial effects: the pipeline interface is split into a pipeline neck and a flange part, which can be adjusted according to actual conditions. When the technician needs to install a flange type pipeline on the shell, the pipeline interface can be directly installed, and the pipeline is connected with the flange part of the pipeline interface, thereby completing the pipeline connection. When the technician needs to install a straight edge type pipeline on the shell, the technician can directly remove the flange part on the pipeline interface from the pipeline neck, so that the pipeline interface becomes a straight edge, thereby being connected with the straight edge type pipeline, improving the versatility of the accessory. Compared with the traditional fixed pipeline interface, the pipeline interface in the embodiment is more flexible, which can facilitate the technician to assemble to a certain extent.

[0015] In an alternative embodiment, the cross-sectional area of the return air passage and the air supply passage is the same, and the air speed of the return air passage is less than 2m / s.

[0016] Beneficial effects: The embodiment of the present application sets the cross-sectional area of the return air channel and the supply air channel to be the same, which can ensure more uniform air flow in the two channels. This helps to avoid the situation of excessively high or low local wind speed, thereby improving the air treatment effect of the entire system. Moreover, the wind speed of the return air channel is less than 2 m / s, which can effectively reduce the turbulence and pressure loss in the air flow process. Low wind speed helps to maintain the stability and smoothness of air flow, reduces energy consumption, and improves the energy efficiency ratio of the system. At the same time, lower wind speed can increase the residence time of air in the filter module, thereby improving the filtering efficiency. Dust and particulate matter in the air are more easily captured, reducing pollution to subsequent modules and prolonging the service life of the equipment. Further, low wind speed can significantly reduce the noise generated during air flow, improve the quietness of equipment operation, and improve the use environment.

[0017] In an alternative embodiment, the upstream region of the return air channel is provided with the filter module, and the downstream region of the return air channel is provided with the electrical components.

[0018] Beneficial effects: Since the electrical components need to be internally loaded and wired, a sealing structure design is required to avoid cold bridges and condensation. This embodiment places the electrical components in the return air channel and behind the filter module and before the heat exchange module. This can effectively reduce the sealing design pressure of the electrical components and the air leakage caused by production errors, effectively improving the overall safety of the equipment.

[0019] In an alternative embodiment, in the vertical direction, the heat exchange channel is located at the bottom region of the shell, and the return air channel and the supply air channel are located above the heat exchange channel.

[0020] Beneficial effects: This embodiment sets the heat exchange channel at the bottom, which can prevent the condensate produced by the heat exchange module during heat exchange from falling into other equipment under the action of air flow, thereby ensuring the overall safety of the equipment. At the same time, it can also facilitate the collection and discharge of condensate, reducing the impact of condensate on other components. Moreover, the heat exchange channel is located at the bottom region of the shell, which can utilize gravity to cause natural convection of cold and hot air, improving heat exchange efficiency. Cold air is usually heavier and will naturally sink to the heat exchange channel, while hot air is lighter and will rise. This layout helps to natural convection and reduces energy consumption. Further, this vertical layout allows the orderly arrangement of various channels in a limited space, saving installation space, especially suitable for places with limited space.

[0021] In an alternative embodiment, the heat exchange module is placed inclined in the heat exchange channel.

[0022] Beneficial effects: In this embodiment, the heat exchange module is placed obliquely, which can increase the contact area between the heat exchange module and the air flow, thereby improving the heat exchange efficiency. More contact area means more heat transfer opportunities, making the heat exchange process more efficient. At the same time, the inclined heat exchange module can play a certain guiding role, guiding the air to flow along a specific path, reducing the dead angle of air flow, making the air flow more evenly through the heat exchange module, and improving the heat exchange effect. Further, the oblique placement can reduce the resistance of air passing through the heat exchange module, making the air flow more smooth. This helps to reduce the power consumption of the fan and improve the energy efficiency ratio of the system. It can further reduce air resistance and improve the smoothness of air flow.

[0023] In an alternative embodiment, the heat exchange module comprises:

[0024] The surface cooler is obliquely arranged in the heat exchange channel.

[0025] The humidifier is arranged in the heat exchange channel.

[0026] The water pan is arranged at the bottom of the surface cooler and the humidifier; the water pan is used to collect condensed water from the surface cooler and the humidifier.

[0027] Beneficial effects: In this embodiment, the water pan is arranged at the bottom of the surface cooler and the humidifier, which can effectively collect condensed water from the surface cooler and the humidifier. This not only reduces the accumulation of condensed water on the heat exchange module, prevents condensed water from affecting the heat exchange effect, but also avoids the pollution and damage of condensed water to other components. At the same time, the surface cooler and the humidifier share a water pan, thereby simplifying the structure, saving internal space, and reducing production costs to some extent.

[0028] In an alternative embodiment, the air supply channel is provided with an air supply port at the end in the direction of the air flow, and the sound insulation module is arranged at the air supply port.

[0029] Beneficial effects: In this embodiment, the sound insulation module is arranged at the air supply port, which can effectively reduce the noise generated during air supply and reduce the interference to the surrounding environment. The sound insulation module can reduce the vibration and impact generated during air supply, reduce the degree of wear of the equipment, and prolong the service life of the equipment. Due to the protection of the sound insulation module, the operation of the equipment is more stable, reducing the failure caused by vibration and impact, and reducing the maintenance cost.

[0030] In an alternative embodiment, the sound insulation module is composed of a plurality of sound insulation units; the plurality of sound insulation units are arranged in the direction of the air flow.

[0031] A plurality of sound insulation plates are arranged in each sound insulation unit, and the plurality of sound insulation plates are arranged in the same direction with gaps between adjacent sound insulation plates.

[0032] The sound-absorbing plate is provided with a wind-approaching angle near the fan module, and / or a wind-avoiding angle away from the fan module.

[0033] Beneficial effects: In this embodiment, multiple sound-absorbing plates are arranged in the same direction. When the air flow passes through, it is divided into multiple sound-absorbing spaces. In each sound-absorbing space, the sound-absorbing plate can use its own large number of tiny interconnected pores to absorb sound. When the sound wave generated by the air flow passing through the sound-absorbing plate penetrates into the interior of the sound-absorbing plate through the tiny holes, it rubs against the internal material of the sound-absorbing plate, converting sound energy into heat energy. Therefore, the sound-absorbing unit has good noise reduction effect. In addition, by providing the sound-absorbing plate with a wind-approaching angle, the air resistance of the sound-absorbing plate is reduced when the air flow passes through the sound-absorbing plate, thereby reducing the noise generated when the air flow rubs against the sound-absorbing plate and reducing energy loss. At the same time, the sound-absorbing plate is provided with a wind-avoiding angle. When the air flow passes through the tail of the sound-absorbing plate, the wind-avoiding angle can separate the air flow at the tail, and also can strengthen the flow characteristics of the air flow, thereby reducing the noise generated when the air flow at the tail becomes turbulent to a certain extent, and further improving the sound-absorbing capacity. Further, by providing the sound-absorbing plate with a wind-approaching angle and a wind-avoiding angle, the sound-absorbing plate is equivalent to a foolproof design, thereby facilitating maintenance and disassembly by technicians.

[0034] In an optional embodiment, a door body and a door plate matched with the door body are arranged on the air duct. The edge of the door plate is circumferentially provided with a sealing strip. When the door plate is buckled with the door body, the sealing strip is tightly fitted with the inner wall edge of the door body.

[0035] Beneficial effects: The cooperation of the door body and the door plate in this embodiment makes it easy to check and maintain the inside of the air cabinet. When necessary, the door body can be easily opened for cleaning and maintenance, reducing maintenance time and cost. Moreover, it is more convenient for maintenance, and the door body and the door plate can be independently replaced or repaired, prolonging the service life of the equipment. At the same time, the edge of the door plate is circumferentially provided with a sealing strip. When the door plate is buckled with the door body, the sealing strip is tightly fitted with the inner wall edge of the door body, which can effectively prevent air leakage. This not only improves the sealing performance of the equipment, but also reduces energy loss and improves energy efficiency. At the same time, good sealing performance can prevent dust and pollutants from the outside from entering the inside of the air cabinet, keeping the inside clean and prolonging the service life of the equipment.

[0036] In an optional embodiment, the door plate comprises:

[0037] a bottom plate;

[0038] a frame arranged circumferentially at the edge of the bottom plate; the frame is provided with a mounting groove with a notch facing inward; when the door plate is buckled with the door body, the frame is embedded in the door body; the edge of the frame is circumferentially provided with the sealing strip;

[0039] A partition assembly is arranged in the mounting groove and is in close contact with the mounting groove; the bottom of the partition assembly is in close contact with the bottom plate, and the partition assembly partially protrudes from the frame to form a mounting portion;

[0040] A top plate covers the partition assembly and is in close contact with the mounting portion; the top plate is a sound-absorbing plate.

[0041] Beneficial effects: In this embodiment, the door plate is composed of a bottom plate, a frame, a partition assembly and a top plate, and the multi-layer structure enhances the overall structural stability, making the door plate more solid and durable. After the frame is embedded in the door body, the contact area between the door plate and the door body is increased, and when the door plate is buckled with the door body, the sealing strip is tightly fitted with the inner wall edge of the door body, which can effectively prevent air leakage. This not only improves the sealing performance of the equipment, but also reduces energy loss and improves energy efficiency.

[0042] In an alternative embodiment, the partition assembly comprises:

[0043] A bent plate is adapted to be embedded in the mounting groove, and the bent plate is in close contact with the mounting groove; the bottom end surface of the bent plate is in close contact with the bottom plate, and the bent portion of the bent plate is located on the side away from the mounting groove;

[0044] A vertical plate is riveted with the bent plate, so that the vertical plate is in close contact with the bent plate; the vertical plate partially protrudes from the frame to form the mounting portion.

[0045] Beneficial effects: In this embodiment, the bent plate is embedded in the mounting groove and tightly fitted with the mounting groove, increasing the overall structural strength of the door plate and making it more stable. Moreover, the close contact of the bent plate with the mounting groove and the close contact of the bottom of the bent plate with the bottom plate form a multi-layer seal, further improving the sealing performance of the door plate and effectively preventing air leakage. It also greatly reduces the probability of condensate water appearing on the outer panel, ensuring that the entire machine can operate stably even in the plum rain season. Good sealing performance can reduce the mixing of cold and hot air, improve the energy efficiency ratio of the system, and reduce energy consumption. At the same time, the close contact of the bottom end surface of the bent plate with the bottom plate further enhances the rigidity and stability of the structure, reducing the risk of deformation.

[0046] In an alternative embodiment, the bottom plate, the top plate and the frame surround a mounting cavity, and the mounting cavity is provided with sound-absorbing material.

[0047] Beneficial effects: The embodiment is provided with sound-absorbing material in the installation cavity, which can effectively absorb and weaken the noise generated by air flow, providing a more peaceful environment. The sound-absorbing material generally has good sound-absorbing performance, which can reduce the noise propagation during equipment operation. At the same time, the bottom plate, top plate and frame form a closed installation cavity, further enhancing the sound insulation effect and reducing the interference of external noise. Furthermore, the installation cavity formed by the bottom plate, top plate and frame is a closed space, which can effectively prevent air leakage and improve the sealing performance of the equipment. Good sealing performance can reduce the mixing of cold and hot air, improve the energy efficiency ratio of the system and reduce energy consumption. Further, the bottom plate, top plate and frame jointly constitute a stable multi-layer structure, enhancing the overall structural strength of the door plate and making it more durable. It can also reduce the influence of the external environment on the door plate, further improving the stability and anti-deformation ability of the structure. BRIEF DESCRIPTION OF DRAWINGS

[0048] In order to more clearly illustrate the technical solutions in the specific embodiments or related art, the drawings needed to be used in the specific embodiments or related art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0049] Figure 1 The structure diagram of the air treatment air cabinet in the embodiment of the present application is shown in the figure.

[0050] Figure 2 The internal structure diagram of the air treatment air cabinet in the embodiment of the present application is shown in the figure.

[0051] Figure 3 The structure diagram of the pipe interface in the embodiment of the present application is shown in the figure.

[0052] Figure 4 The structure diagram of the heat exchange channel in the embodiment of the present application is shown in the figure.

[0053] Figure 5 The structure diagram of the door plate in the embodiment of the present application is shown in the figure.

[0054] Figure 6 The partial structure diagram of the door plate in the embodiment of the present application is shown in the figure.

[0055] Figure 7 The assembly diagram of the frame and the partition plate assembly in the embodiment of the present application is shown in the figure.

[0056] Figure 8 The structure diagram of the partition plate assembly in the embodiment of the present application is shown in the figure.

[0057] Explanation of reference signs:

[0058] 1, housing; 11, return air passage; 12, heat exchange passage; 13, supply air passage; 14, filter module;

[0059] 15, heat exchange module; 151, surface cooler; 152, humidifier; 153, water pan;

[0060] 16, fan module; 17, sound attenuation module; 18, door body;

[0061] 19, door panel; 191, bottom plate; 192, frame; 193, partition assembly; 1931, bent plate; 1932, vertical plate; 194, top plate; 195, sound attenuation material;

[0062] 2, pipe interface; 21, pipe neck; 22, flange portion. DETAILED DESCRIPTION

[0063] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0064] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for the purpose of description and cannot be understood as indicating or implying relative importance.

[0065] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the internal communication of two elements, or it can be wireless connection, or wired connection. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0066] In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.

[0067] The air handling unit mainly relies on the rotation of the fan to drive the indoor (or outdoor) air to exchange heat with the internal coil of the unit, and filter the impurities in the air, so as to maintain the indoor temperature, humidity and air cleanliness by controlling the temperature and air volume of the outlet air. Since the full-air cabinet is usually installed in the machine room or outdoors, it has the characteristics of large air supply volume, multi-functional adjustment of the whole house, long-term operation, etc. The air handling cabinet existing on the market generally has the problems of inconvenient pipe connection, high noise, small cooling capacity, poor electrical safety, and short filter screen life.

[0068] Therefore, the present application provides an air handling cabinet to solve some or all of the above problems.

[0069] The embodiments of the present application will be described below in conjunction with Figures 1 to 8 .

[0070] According to an embodiment of the present application, an air handling cabinet is provided, which comprises a shell 1, a filter module 14, a heat exchange module 15, a fan module 16 and a sound attenuation module 17.

[0071] Specifically, in this embodiment, a wind channel is arranged inside the shell 1, which comprises a return air passage 11, a heat exchange passage 12 and a supply air passage 13 arranged in sequence along the air flow direction. As shown in the figure, the return air passage 11 and the supply air passage 13 are arranged side by side in parallel, so that the wind channel has a U-shaped structure. Figure 2

[0072] Further, in this embodiment, the filter module 14 is arranged in the return air passage 11, and the filter module 14 can be composed of one or more of the primary filter screen, the high-efficiency filter screen and the purification and sterilization unit. The three filter parts can also be arranged at the same time, and along the air flow direction, the primary filter screen, the high-efficiency filter screen and the purification and sterilization unit can be arranged from outside to inside in sequence. The purification and sterilization unit can be a high-temperature sterilization heating body, can be an ultraviolet lamp, or can be an ionization sterilization part, etc. Of course, this embodiment only exemplifies the specific composition of the filter module 14, but it is not limited thereto, and those skilled in the art can make changes according to the actual situation, as long as the same technical effects can be achieved.

[0073] Further, in this embodiment, the heat exchange module 15 is arranged in the heat exchange passage 12, the fan module 16 is arranged in the supply air passage 13, and the sound attenuation module 17 is arranged in the supply air passage 13. And along the air flow direction, the sound attenuation module 17 is located downstream of the fan module 16.

[0074] ​This design, in this embodiment of the invention, uses a U-shaped air duct, which makes the airflow path inside the air handling unit more rational, reducing airflow resistance to a certain extent and improving air handling efficiency. Simultaneously, compared to traditional straight air ducts, it reduces the space occupied by the air duct for the same duct length, thereby reducing the volume of the housing 1 and facilitating user operation. Furthermore, within the same volume, the U-shaped air duct can accommodate more functional modules, thus enhancing product competitiveness. Moreover, since the return air duct 11 mainly houses the filter module 14, the space occupied by the filter module 14 is ample. Therefore, with the same airflow area, the filter module 14 can be thicker, resulting in a larger overall filtration area, a longer service life, and significantly extended replacement cycles.

[0075] Furthermore, in an optional embodiment, the air handling unit further includes a duct interface 2, which is disposed on the return air duct 11 and the supply air duct 13, typically on the outer side of the return air duct 11 and the supply air duct 13. This allows for the installation of additional functional modules on the air handling unit, thereby further improving its functionality.

[0076] In this embodiment, the pipe interface 2 consists of a pipe neck 21 and a flange 22. The pipe neck 21 is disposed on the return air duct 11 or the supply air duct 13. The structural shape of the pipe neck 21 is adapted to the return air duct 11 or the supply air duct 13. When the cross-section of the return air duct 11 or the supply air duct 13 is rectangular, the pipe neck 21 is also set as a rectangular interface; when the cross-section of the return air duct 11 or the supply air duct 13 is circular, the pipe neck 21 is also set as a circular interface. The flange 22 has a ring-shaped structure, which can be either a rectangular ring or a circular ring. The flange 22 is detachably fitted onto the pipe neck 21. The flange 22 can be flanged sheet metal, which can be fixed to the pipe neck 21 with screws. When it is necessary to install a flanged duct or a flanged plenum, the flanged part 22 can be installed on the pipe neck 21. When it is necessary to install an insertable straight-edge duct or an insertable plenum, the flanged part 22 can be removed from the pipe neck 21.

[0077] In this configuration, the pipe interface 2 of this embodiment is divided into a pipe neck 21 and a flange 22, which can be adjusted according to actual needs. When technicians need to install a flanged pipe on the housing 1, they can directly install the pipe interface 2 and connect the pipe to the flange 22 of the pipe interface 2 to complete the pipe connection. When technicians need to install a straight-edge pipe on the housing 1, they can directly remove the flange 22 from the pipe neck 21, making the pipe interface 2 a straight edge, thus allowing it to connect with straight-edge pipes and improving the versatility of the fittings. Compared with the traditional fixed form of the pipe interface 2, the pipe interface 2 in this embodiment is more flexible and facilitates assembly by technicians to a certain extent.

[0078] Furthermore, in an optional embodiment, the return air duct 11 and the supply air duct 13 have the same cross-sectional area; that is, the return air duct 11 and the supply air duct 13 are designed with the same dimensions and are divided into a 5:5 ratio. Moreover, the wind speed in the return air duct 11 is less than 2 m / s, resulting in low return air resistance within a predetermined range.

[0079] By setting the return air duct 11 and the supply air duct 13 to have the same cross-sectional area, this embodiment of the invention ensures more uniform airflow in both ducts. This helps avoid excessively high or low local wind speeds, thereby improving the overall air handling efficiency of the system. Furthermore, the wind speed in the return air duct 11 is less than 2 m / s, effectively reducing turbulence and pressure loss during airflow. Low wind speed helps maintain the stability and smoothness of airflow, reducing energy consumption and improving the system's energy efficiency ratio. Simultaneously, lower wind speed increases the residence time of air in the filter module 14, thereby improving filtration efficiency. Dust and particulate matter in the air are more easily captured, reducing contamination of subsequent modules and extending the equipment's lifespan. Further, low wind speed significantly reduces noise generated during airflow, improving the quietness of equipment operation and enhancing the operating environment.

[0080] Furthermore, in an optional embodiment, the filter module 14 is disposed in the upstream region of the return air duct 11, and electrical components are disposed in the downstream region of the return air duct 11. The electrical components typically contain controllers for controlling various loads inside the air handling unit, as well as power supplies, and therefore require openings for external wiring.

[0081] This configuration necessitates a sealed structure design to prevent cold bridging and condensation on the exterior, as the electrical components require internal load wiring and engineering connections. In this embodiment, the electrical components are placed in the return air duct 11, after the filter module 14 and before the heat exchange module 15. This effectively reduces the pressure on the sealing design of the electrical components and mitigates leakage caused by manufacturing errors, thereby significantly improving the overall safety of the equipment.

[0082] Furthermore, in an optional embodiment, the heat exchange channel 12 is located in the bottom region of the housing 1 in the vertical direction, and the return air channel 11 and the supply air channel 13 are located above the heat exchange channel 12.

[0083] With this configuration, placing the heat exchange channel 12 at the bottom in this embodiment prevents condensate generated by the heat exchange module 15 during heat exchange from falling into other equipment due to airflow, thus ensuring the overall safety of the equipment. It also facilitates the collection and drainage of condensate, reducing its impact on other components. Furthermore, the heat exchange channel 12's location at the bottom of the housing 1 allows for natural convection of hot and cold air using gravity, improving heat exchange efficiency. Cold air, being heavier, naturally sinks into the heat exchange channel 12, while hot air, being lighter, rises; this arrangement promotes natural convection and reduces energy consumption. Moreover, this vertical layout allows the channels to be arranged in an orderly manner within a limited space, saving installation space and making it particularly suitable for locations with limited space.

[0084] Furthermore, in an optional embodiment, the heat exchange module 15 is placed at an angle in the heat exchange channel 12. The heat exchange module 15 is typically rectangular in structure. For the direction of inclination, for example, the plane on which the heat exchange module 15 is located can be arranged vertically, with one side of the heat exchange module 15 being the return air side and the other side being the supply air side. When the two longitudinal sides of the heat exchange module 15 are located at opposite corners of the heat exchange channel 12, the contact area between the airflow and the heat exchange module 15 is maximized, which can improve heat exchange efficiency and heat exchange capacity.

[0085] Alternatively, the plane containing the heat exchange module 15 can be positioned at an angle, creating an angle between the plane and the vertical direction. In this case, pre-reserved air vents need to be provided between the supply air duct 13 and the heat exchange duct 12, and between the return air duct 11 and the heat exchange duct 12, to allow for normal airflow.

[0086] When the heat exchange module 15 is tilted, such as Figure 4 As shown, it is necessary to correspond the air outlets between the supply air side and the return air channel 11 in the sealed heat exchange channel 12, as well as the air outlets between the return air side and the supply air channel 13, in order to avoid air leakage.

[0087] In this embodiment, tilting the heat exchange module 15 increases the contact area between it and the airflow, thereby improving heat exchange efficiency. A larger contact area means more opportunities for heat transfer, making the heat exchange process more efficient. Simultaneously, the tilted heat exchange module 15 acts as a guide, directing airflow along a specific path, reducing dead zones, and allowing air to pass through the heat exchange module 15 more evenly, thus improving heat exchange performance. Furthermore, the tilted placement reduces air resistance as it passes through the heat exchange module 15, making airflow smoother. This helps reduce fan power consumption and improves the system's energy efficiency ratio. It also further reduces air resistance and improves the smoothness of airflow.

[0088] Furthermore, in an optional embodiment, the heat exchange module 15 includes: a surface cooler 151, a humidifier 152, and a water receiving tray 153.

[0089] Specifically, in this embodiment, the surface cooler 151 has a rectangular structure and is inclinedly arranged in the heat exchange channel 12. The surface cooler 151 is positioned at the bottom of the air handling unit within the heat exchange channel 12, effectively reducing water splashing from the surface cooler 151 due to excessively high local wind speeds, and effectively improving the safety of the fan module 16 and other functional modules. The humidifier 152 is arranged in the heat exchange channel 12, and a water tray 153 is located at the bottom of the surface cooler 151 and the humidifier 152. The water tray 153 is used to collect condensate from the surface cooler 151 and the humidifier 152.

[0090] In this configuration, the water tray 153 is placed at the bottom of the surface cooler 151 and the humidifier 152, effectively collecting condensate from them. This not only reduces condensate buildup on the heat exchange module 15, preventing it from affecting heat exchange efficiency, but also avoids contamination and damage to other components. Furthermore, sharing a single water tray 153 between the surface cooler 151 and the humidifier 152 simplifies the structure, saves internal space, and reduces production costs to some extent.

[0091] Furthermore, in an optional embodiment, an air outlet is provided at the end of the air supply channel 13 along the airflow direction, and the silencing module 17 is disposed at the air outlet.

[0092] With this configuration, the silencing module 17 is placed at the air outlet, which effectively reduces noise generated during air supply and minimizes interference with the surrounding environment. The silencing module 17 reduces vibration and impact during air supply, decreasing equipment wear and extending its lifespan. Due to the protective function of the silencing module 17, the equipment operates more smoothly, reducing malfunctions caused by vibration and impact, and lowering maintenance costs.

[0093] Furthermore, in an optional embodiment, the silencing module 17 consists of multiple silencing units arranged along the airflow direction. That is, when air is introduced, the airflow passes through multiple silencing units in sequence for silencing.

[0094] Furthermore, each silencing unit is equipped with multiple silencing plates arranged in the same direction, with gaps between adjacent plates. Specifically, the silencing plates can be fixedly installed or movably installed within the silencing unit. Regarding the installation direction of the silencing plates, when the plate is flat, its surface can be parallel to the air inlet direction or inclined. When the plate is corrugated or has a certain bending angle, its overall extension direction can be parallel to the air inlet direction. This maximizes the contact length between the plate and the airflow, thereby enhancing the silencing effect.

[0095] Of course, those skilled in the art can change the installation direction of the sound-absorbing plate according to the actual situation. This embodiment is just an example, but it is not a limitation. As long as the same technical effect can be achieved, it is acceptable.

[0096] Furthermore, the sound-absorbing plate has an angle of attack near the fan module 16 and an angle of departure away from the fan module 16. That is, the side of the sound-absorbing plate near the air inlet has an angle of attack, and the side near the air outlet has an angle of departure. Of course, only an angle of attack or an angle of departure may be provided; this embodiment is merely illustrative.

[0097] In this configuration, multiple sound-absorbing panels are arranged in the same direction. When airflow passes through, it is divided into multiple sound-absorbing spaces by the panels. Within each space, the panels utilize numerous tiny interconnected pores to absorb sound. This allows sound waves generated by the airflow to penetrate deep into the interior of the panels along these micropores, interacting with the internal material and converting sound energy into heat energy. This results in excellent noise reduction for the sound-absorbing unit. Furthermore, by setting an angle of attack on the sound-absorbing panels, this embodiment reduces wind resistance as airflow passes through them, thereby reducing the noise generated during friction between the airflow and the panels and minimizing energy loss. Simultaneously, the panels are also designed with an angle of departure. When airflow passes the tail of the panels, this angle separates the airflow at the tail end and enhances its flow characteristics. This reduces noise generated by turbulence at the tail end, further improving the sound absorption capacity. Furthermore, by setting the windward angle and the windward angle on the sound-absorbing plate, this embodiment is equivalent to a foolproof design for the sound-absorbing plate, which facilitates maintenance and disassembly by technicians.

[0098] Furthermore, in an optional embodiment, the air duct is provided with a door body 18 and a door panel 19 that cooperates with the door body 18. A sealing strip is provided circumferentially on the edge of the door panel 19. When the door panel 19 is fastened to the door body 18, the sealing strip is tightly fitted to the inner wall edge of the door body 18.

[0099] In this embodiment, the sealing strip is fixed by a dispensing process. Compared with the traditional air conditioner fan cabinet door panel 19, the door panel 19 of this embodiment is more durable, has better sealing performance, and effectively reduces air leakage.

[0100] The sealing strips can be customized in size according to actual needs. These sealing strips are fixed along the folded edge of the door panel 19 using a dotting technique. During the final assembly process, the door panel 19 and the door frame 18 are tightly joined, ensuring a precise fit between the sealing strips and the door frame 18. Thanks to the elasticity and compressibility of the sealing strips, the air handling unit of this embodiment exhibits excellent sealing performance, while also enhancing its durability and operational efficiency.

[0101] This design, with the door body 18 and door panel 19 working together, makes the interior of the blower unit easy to inspect and maintain. When needed, the door body 18 can be easily opened for cleaning and repair, reducing maintenance time and costs. Furthermore, it makes maintenance more convenient, allowing for independent replacement or repair, extending the equipment's lifespan. Simultaneously, this embodiment features a sealing strip along the circumferential edge of the door panel 19. When the door panel 19 is engaged with the door body 18, the sealing strip fits tightly against the inner edge of the door body 18, effectively preventing air leakage. This not only improves the equipment's sealing performance but also reduces energy loss and increases energy efficiency. At the same time, good sealing performance prevents external dust and contaminants from entering the blower unit, keeping the interior clean and extending the equipment's lifespan.

[0102] Furthermore, in an alternative embodiment, the door panel 19 includes a bottom plate 191, a frame 192, a partition assembly 193, and a top plate 194.

[0103] Specifically, in this embodiment, the frame 192 is disposed around the edge of the base plate 191, and the frame 192 is provided with an inwardly facing mounting groove. When the door panel 19 is fastened to the door body 18, the frame 192 is embedded in the door body 18. The sealing strip is disposed around the edge of the frame 192. Furthermore, the frame 192 can be formed by directly flanging the sheet metal of the base plate 191 inwards, thus making the overall structure of the door panel 19 more stable and more airtight.

[0104] Furthermore, in this embodiment, the partition assembly 193 is disposed in the mounting groove and fits against the mounting groove. The bottom of the partition assembly 193 fits against the base plate 191, and a portion of the partition assembly 193 protrudes from the frame 192 to form a mounting portion. This partition assembly 193 is used to seal the interior of the frame 192, thereby greatly reducing the probability of condensation on the external sheet metal of the air outlet cavity and ensuring stable operation of the entire unit even during the rainy season.

[0105] Furthermore, in this embodiment, the top plate 194 covers the partition assembly 193 and is fitted and connected to the mounting part. The top plate 194 is a sound-absorbing plate. In this embodiment, the sound-absorbing plate is a microporous sound-absorbing plate, made of 1.0mm thick sheet metal material, with holes precisely drilled according to a standard hole diameter of 3mm. The hole layout is a horizontal hole spacing of 6mm and a vertical hole spacing of 7mm. A layer of 2.0mm thick polyester fiber cotton can be pasted on the inner bottom of the sound-absorbing plate to enhance its sound-absorbing effect. Subsequently, this sound-absorbing plate is fixed to the partition assembly 193 to ensure the stability of the structure and the sound-absorbing performance.

[0106] In this embodiment, the door panel 19 is composed of a base plate 191, a frame 192, a partition assembly 193, and a top plate 194. This multi-layered structure enhances the overall structural stability, making the door panel 19 more robust and durable. Furthermore, embedding the frame 192 into the door body 18 increases the contact area between the door panel 19 and the door body 18. When the door panel 19 and the door body 18 are fastened together, the sealing strip fits tightly against the inner edge of the door body 18, effectively preventing air leakage. This not only improves the sealing performance of the equipment but also reduces energy loss and improves energy efficiency.

[0107] Furthermore, in an alternative embodiment, the partition assembly 193 includes a bent plate 1931 and a vertical plate 1932.

[0108] Specifically, in this embodiment, the bent plate 1931 is adapted to be embedded in the mounting groove, and the bent plate 1931 is in contact with the mounting groove. The bottom end face of the bent plate 1931 is in contact with the base plate 191, and the bent portion of the bent plate 1931 is located on the side away from the mounting groove.

[0109] Furthermore, in this embodiment, the vertical plate 1932 is riveted to the bent plate 1931, so that the vertical plate 1932 and the bent plate 1931 are in contact, and the vertical plate 1932 protrudes from the frame 192 to form the mounting part.

[0110] During implementation, the bent plate 1931 and the vertical plate 1932 are first fixedly connected using M6 rivet screws. Then, the resulting partition assembly 193 is further securely joined to the base plate 191 using M6 rivet screws. Next, the top plate 194 is placed over the partition assembly 193 and fixed using the same side rivet method. Finally, a precise adhesive application process is used to fix the pre-fabricated sealing strips in their respective positions, ensuring the overall structure's airtightness and stability.

[0111] In this configuration, the bent plate 1931 is embedded into the mounting groove and fits tightly against it, increasing the overall structural strength of the door panel 19 and making it more stable. Furthermore, the fit between the bent plate 1931 and the mounting groove, as well as the fit between the bottom of the bent plate 1931 and the base plate 191, forms a multi-layered seal, further improving the sealing performance of the door panel 19 and effectively preventing air leakage. It also significantly reduces the probability of condensation on the outside of the panel, ensuring stable operation of the entire unit even during the rainy season. Good sealing performance reduces the mixing of hot and cold air, improving the system's energy efficiency ratio and reducing energy consumption. Simultaneously, the fit between the bottom end face of the bent plate 1931 and the base plate 191 further enhances the rigidity and stability of the structure, reducing the risk of deformation.

[0112] Furthermore, in an optional embodiment, the base plate 191, the top plate 194, and the frame 192 surround to form an installation cavity, and a sound-absorbing material 195 is disposed in the installation cavity.

[0113] With this configuration, the installation cavity in this embodiment contains sound-absorbing material 195, which effectively absorbs and reduces noise generated by airflow, providing a quieter environment. Sound-absorbing material 195 typically has good sound absorption properties, reducing noise propagation during equipment operation. Simultaneously, the base plate 191, top plate 194, and frame 192 together form a closed installation cavity, further enhancing sound insulation and reducing external noise interference. Furthermore, the installation cavity formed by the base plate 191, top plate 194, and frame 192 is a closed space, effectively preventing air leakage and improving the equipment's sealing performance. Good sealing performance reduces the mixing of hot and cold air, improving the system's energy efficiency ratio and reducing energy consumption. Moreover, the base plate 191, top plate 194, and frame 192 together constitute a stable multi-layered structure, enhancing the overall structural strength of the door panel 19, making it more robust and durable. It also reduces the impact of the external environment on the door panel 19, further improving structural stability and resistance to deformation.

[0114] Although embodiments of the invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. An air handling plenum, comprising: The air treatment cabinet comprises: a shell (1) internally provided with an air duct, which comprises, in sequence, a return air passage (11), a heat exchange passage (12) and a supply air passage (13) along the air flow direction; the return air passage (11) is arranged in parallel with the supply air passage (13) side by side, so that the air duct has a U-shaped structure; a filter module (14) arranged in the return air passage (11); a heat exchange module (15) arranged in the heat exchange passage (12); a fan module (16) arranged in the supply air passage (13); a sound attenuation module (17) arranged in the supply air passage (13) and located downstream of the fan module (16) along the air flow direction; a door body (18) and a door plate (19) matched with the door body (18) are arranged on the air duct; the edge of the door plate (19) is circumferentially provided with a sealing strip; when the door plate (19) is buckled with the door body (18), the sealing strip is tightly attached to the inner wall edge of the door body (18); the door plate (19) comprises: a bottom plate (191); a frame (192) arranged circumferentially at the edge of the bottom plate (191); the frame (192) is provided with a mounting groove with a notch facing inward; a partition assembly (193) arranged in the mounting groove and attached to the mounting groove; the bottom of the partition assembly (193) is attached to the bottom plate (191), and the partition assembly (193) partially protrudes from the frame (192) to form a mounting portion; the partition assembly (193) comprises: a bent plate (1931) adapted to be embedded in the mounting groove and attached to the mounting groove; the bottom end face of the bent plate (1931) is attached to the bottom plate (191), and the bent portion of the bent plate (1931) is located on the side away from the mounting groove; a vertical plate (1932) riveted to the bent plate (1931) so that the vertical plate (1932) is attached to the bent plate (1931); the vertical plate (1932) partially protrudes from the frame (192) to form the mounting portion.

2. The air handling plenum of claim 1, wherein, The air treatment cabinet further comprises: a pipe interface (2) arranged on the return air passage (11) and / or the supply air passage (13); the pipe interface (2) is composed of a pipe neck (21) and a flange portion (22); the pipe neck (21) is arranged on the return air passage (11) or the supply air passage (13); the flange portion (22) has a ring structure and is detachably sleeved on the pipe neck (21).

3. The air handling plenum of claim 1, wherein, The cross-sectional areas of the return air passage (11) and the supply air passage (13) are the same, and the air speed of the return air passage (11) is less than 2 m / s.

4. The air handling plenum of any one of claims 1 to 3, wherein, The upstream area of the return air passage (11) is provided with the filter module (14), and the downstream area of the return air passage (11) is provided with an electrical assembly.

5. The air handling plenum of any one of claims 1 to 3, wherein, In the vertical direction, the heat exchange passage (12) is located in the bottom area of the shell (1), and the return air passage (11) and the supply air passage (13) are located above the heat exchange passage (12).

6. The air handling plenum of claim 5, wherein, The heat exchange module (15) is obliquely arranged in the heat exchange channel (12).

7. The air handling plenum of claim 6, wherein, The heat exchange module (15) comprises: A surface cooler (151) in a rectangular structure, obliquely arranged in the heat exchange channel (12); A humidifier (152) arranged in the heat exchange channel (12); A water collecting tray (153) arranged at the bottom of the surface cooler (151) and the humidifier (152); the water collecting tray (153) is used for collecting condensed water from the surface cooler (151) and the humidifier (152).

8. The air handling plenum of any one of claims 1 to 3, wherein, The end of the air supply channel (13) is provided with an air supply port in the direction of air flow, and the sound attenuation module (17) is arranged at the air supply port.

9. The air treatment cabinet according to claim 8, wherein, The sound attenuation module (17) is composed of a plurality of sound attenuation units; the plurality of sound attenuation units are arranged in the direction of air flow; A plurality of sound attenuation plates are arranged in each sound attenuation unit, and the plurality of sound attenuation plates are arranged in the same direction with a gap between adjacent two sound attenuation plates; The sound attenuation plate is provided with a windward angle near the fan module (16), and / or the sound attenuation plate is provided with a leeward angle away from the fan module (16).

10. The air handling cabinet according to any one of claims 1 to 3, wherein, When the door plate (19) is buckled with the door body (18), the frame (192) is embedded in the door body (18); the edge of the frame (192) is circumferentially provided with the sealing strip; The door plate (19) further comprises: A top plate (194) covering the partition plate assembly (193) and connected with the mounting portion; the top plate (194) is a sound attenuation plate.

11. The air handling plenum of claim 10, wherein, The bottom plate (191), the top plate (194) and the frame (192) surround to form a mounting cavity, and the mounting cavity is provided with a sound attenuation material (195).

Images