Air conditioning cabinet and control method

Abstract

The present invention provides an air conditioning cabinet and a control method. The air conditioning cabinet includes a shell, the shell has an upper air outlet and a lower air outlet; a heat exchanger, the heat exchanger is arranged in the shell and located between the upper air outlet and the lower air outlet; a mixed flow fan part, the mixed flow fan part is arranged in the shell; an adjustment mechanism, the adjustment mechanism is arranged in the shell, the adjustment mechanism is located between the mixed flow fan part and the heat exchanger, the adjustment mechanism has a shrinking position that shrinks toward the axis of the shell, and the adjustment mechanism has an expanding position that gradually opens away from the axis of the shell. When the adjustment mechanism is at the shrinking position, the mixed flow fan part can suck the external airflow from the upper air outlet into the shell, perform heat exchange with the heat exchanger, and then discharge it outside the shell through the lower air outlet. It can make the temperature difference of the indoor temperature in the longitudinal direction very small, and can effectively utilize the utilization rate of the energy generated by the air conditioning cabinet.

Description

Technical Field

[0001] The present invention relates to the technical field of air conditioner equipment, and in particular to an air conditioner cabinet and a control method thereof. Background Art

[0002] At present, vertical cabinet air conditioners mainly include square cabinets with upper air outlets, circular cabinets with long air outlets, and distributed air supply cabinets that discharge air from both top and bottom. Due to the characteristics of cold and hot air that cold air sinks and hot air floats, the problem of indoor air heat stratification will occur during cooling and heating air supply. Since the return air position of the cabinet air conditioner remains unchanged, the heat distribution will not change. The air conditioner exchanges heat according to the indoor temperature. The heat stratification problem of distributed air supply cabinets is relatively small, and the temperature difference between the upper and lower parts is small, but it still cannot overcome the problem of inefficient energy utilization caused by the characteristics of cold and hot air. Summary of the invention

[0003] The main purpose of the present invention is to provide an air conditioning cabinet and a control method to solve the problem of low refrigeration capacity utilization rate in the prior art.

[0004] In order to achieve the above-mentioned purpose, according to one aspect of the present invention, an air conditioning cabinet is provided, comprising: a shell having an upper air outlet and a lower air outlet; a mixed flow fan unit, which is arranged in the shell; an adjusting mechanism, which is arranged in the shell, and the adjusting mechanism has a contracted position and an expanded position. When the adjusting mechanism is located at the contracted position, the mixed flow fan unit draws external air into the shell from the upper air outlet, and then discharges it outside the shell through the lower air outlet.

[0005] Furthermore, the air conditioning cabinet includes: a heat exchanger, which is arranged in a shell and located between an upper air outlet and a lower air outlet, a regulating mechanism is located between the mixed flow fan unit and the heat exchanger, the regulating mechanism has a contracted position that contracts toward the axis of the shell, and the regulating mechanism has an expanded position that gradually opens away from the axis of the shell. When the regulating mechanism is at the contracted position, the mixed flow fan unit draws external airflow from the upper air outlet into the shell to exchange heat with the heat exchanger, and then discharges it outside the shell through the lower air outlet.

[0006] Furthermore, when the regulating mechanism is located at the expansion position, the mixed flow fan unit draws external airflow into the shell from the lower air port, exchanges heat with the heat exchanger, and then discharges the airflow outside the shell through the upper air port.

[0007] Furthermore, the air conditioning cabinet includes an air duct, which includes a first air duct and a second air duct. The first air duct is arranged in the shell, the first end of the first air duct is connected to the downwind outlet, the second end of the first air duct is connected to the adjustment mechanism, the adjustment mechanism and the first air duct are surrounded by a second air duct, and the mixed flow fan unit is arranged in the first air duct.

[0008] Furthermore, the air duct also includes a third air duct and a fourth air duct, and the air conditioning cabinet includes: a support part, the support part is connected to the inner wall of the shell, the adjustment mechanism is located below the support part, the support part is provided with a flow channel, and the heat exchanger is connected to the support part.

[0009] Furthermore, the heat exchanger is a hollow structure, which is connected to the second air duct through a flow channel to form a third air duct. The outer surface of the heat exchanger is set at a distance from the shell to form a fourth air duct, and the fourth air duct is connected to the upper air port and the third air duct.

[0010] Furthermore, the support portion includes: a water receiving tray, the water receiving tray is connected to the shell, a flow channel is provided on the water receiving tray, and the water receiving tray is used to collect condensed water generated by the heat exchanger.

[0011] Furthermore, the heat exchanger is a barrel-shaped structure with one end open, the open end of the heat exchanger is connected to the water receiving tray, the inner diameter of the open end of the heat exchanger is larger than the inner diameter of the flow channel, the airflow in the third air duct can pass through the heat exchanger, or the airflow in the fourth air duct can flow into the third air duct after heat exchange through the side wall of the heat exchanger.

[0012] Further, the adjusting mechanism includes: a first adjusting mechanism, a first end of the first adjusting mechanism is movably connected to the second end of the first air duct, the second end of the first adjusting mechanism is arranged away from the first air duct, the second end of the first adjusting mechanism has a contracted position close to the axis of the shell, and the second end of the first adjusting mechanism has an expanded position away from the axis of the shell; a second adjusting mechanism, a first end of the second adjusting mechanism is movably connected to the water receiving tray, the second end of the second adjusting mechanism has a contracted position close to the axis of the shell, and the second end of the second adjusting mechanism has an expanded position away from the axis of the shell, when the first adjusting mechanism and the second adjusting mechanism are both in the contracted position, the first end of the first adjusting mechanism is in contact with the second end of the second adjusting mechanism, and the first adjusting mechanism and the second adjusting mechanism are arranged to form a sealed second air duct.

[0013] Furthermore, when the first adjusting mechanism and the second adjusting mechanism are both located at the flared position, the first adjusting mechanism and the second adjusting mechanism, the shell, the support portion and at least one of the water receiving tray are surrounded to form a second air duct.

[0014] Furthermore, when the first adjustment mechanism and the second adjustment mechanism are both located at the constricted position, the area of ​​the cross section of the second air duct is gradually reduced in a direction away from the mixed flow fan part.

[0015] Further, when the first adjusting mechanism and the second adjusting mechanism are both located at the expansion position, the area of ​​the cross section of the air duct structure surrounded by the second adjusting mechanism is gradually increased in the direction toward the mixed flow fan part.

[0016] Furthermore, the first adjustment mechanism includes: a first arc-shaped adjustment plate, a first end of the first arc-shaped adjustment plate is hinged to the end side wall of the first air duct, a second end of the first arc-shaped adjustment plate is arranged away from the first air duct, there are multiple first arc-shaped adjustment plates, and the multiple first arc-shaped adjustment plates are arranged along the circumference of the first air duct, and when each first arc-shaped adjustment plate is located in the contracted position, the multiple first arc-shaped adjustment plates are arranged to form a ring-shaped air duct structure.

[0017] Furthermore, a folded edge is provided at the second end of the first arc-shaped adjustment plate, and the folded edge is bent toward one side of the shell.

[0018] Furthermore, the second adjustment mechanism includes: a second arc-shaped adjustment plate, the first end of the second arc-shaped adjustment plate is hinged to the bottom of the water receiving tray, the second end of the second arc-shaped adjustment plate can be rotatably arranged around the hinge point between the first end of the second arc-shaped adjustment plate and the water receiving tray, there are multiple second arc-shaped adjustment plates, and the multiple second arc-shaped adjustment plates are arranged along the circumference of the flow channel. When each second arc-shaped adjustment plate is located at the contracted position, the multiple second arc-shaped adjustment plates are arranged to form an annular air duct structure.

[0019] Furthermore, the support part also includes: an annular support platform, the annular support platform is connected to the inner wall of the shell, the water receiving tray is connected to the annular support platform and is located above the annular support platform, and when the second arc adjustment plate is in the flared position, the second end of the second arc adjustment plate is sealed and connected to the inner circumferential surface of the annular support platform.

[0020] Furthermore, a slope is provided at the bottom of the annular support platform, and when the second arc-shaped adjustment plate is located at the expansion position, the lower surface of the second arc-shaped adjustment plate is parallel to the slope.

[0021] Furthermore, the heat exchanger is a cylindrical structure, the axis of the heat exchanger is arranged along the vertical direction, and a top plate is arranged at one end of the heat exchanger close to the upwind port.

[0022] According to another aspect of the present invention, a method for controlling an air-conditioning cabinet is provided, and the method is used to control the above-mentioned air-conditioning cabinet, and the method includes the following steps: when the heating mode is selected through the controller of the air-conditioning cabinet, the regulating mechanism is located at the contracted position, and the mixed flow fan unit draws the external air flow into the shell from the upper air port, exchanges heat with the heat exchanger, and then discharges it outside the shell through the lower air port; when the cooling mode is selected through the controller, the regulating mechanism is located at the expanded position, and the mixed flow fan unit draws the external air flow into the shell from the lower air port, exchanges heat with the heat exchanger, and then discharges it outside the shell through the upper air port.

[0023] Furthermore, the air-conditioning cabinet also includes an air supply mode. When the air supply mode is selected by the controller, the adjustment mechanism is located in the contracted position, and the mixed flow fan unit sucks the external air flow into the shell from the upper air port and discharges it outside the shell through the lower air port. Alternatively, when the air supply mode is selected by the controller, the adjustment mechanism is located in the expanded position, and the mixed flow fan unit sucks the external air flow into the shell from the lower air port and discharges it outside the shell through the upper air port. In the air supply mode, the heat exchanger is in a non-working state.

[0024] By applying the technical solution of the present invention, an adjustment mechanism is arranged in the shell, and the adjustment mechanism is controlled to be located at the expansion position or the contraction position, so that the air conditioning cabinet with a mixed flow fan unit can realize the upper air inlet and lower air outlet mode, or the air conditioning cabinet can realize the upper air outlet and lower air inlet mode. In particular, when the air conditioning cabinet is in the cooling mode, the upper air outlet and lower air inlet mode are adopted, and when the air conditioning cabinet is in the heating mode, the upper air inlet and lower air outlet mode are adopted, the problem of heat stratification in the room can be effectively avoided, the temperature difference in the longitudinal direction of the room can be very small, and the utilization rate of the energy generated by the air conditioning cabinet can be effectively utilized. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0026] Figure 1 It shows a structural schematic diagram of an embodiment of an air conditioner cabinet according to the present invention when the upper air outlet and the lower air outlet are closed;

[0027] Figure 2 It shows a structural schematic diagram of a first embodiment of an air conditioner cabinet according to the present invention when the upper air outlet and the lower air outlet are open;

[0028] Figure 3 It shows a structural schematic diagram of an embodiment of an air conditioner cabinet according to the present invention when air is inletted from an upper air outlet and outletted from a lower air outlet;

[0029] Figure 4 It shows a structural schematic diagram of a second embodiment of the air conditioner cabinet according to the present invention when the upper air outlet and the lower air outlet are opened;

[0030] Figure 5 It shows a structural schematic diagram of an embodiment of an air conditioner cabinet according to the present invention when the upper air outlet is for air outlet and the lower air outlet is for air intake;

[0031] Figure 6 It shows a cross-sectional structural schematic diagram of an embodiment of an air conditioner cabinet according to the present invention when the upper air outlet is for air outlet and the lower air outlet is for air intake;

[0032] Figure 7 A schematic cross-sectional structure diagram of an embodiment of an air conditioning cabinet according to the present invention is shown with air entering through an upper air port and air exiting through a lower air port.

[0033] The above drawings include the following reference numerals:

[0034] 10. Shell; 11. Upper air outlet; 12. Lower air outlet;

[0035] 20. heat exchanger; 21. top plate;

[0036] 30. Mixed flow fan unit;

[0037] 40. Adjustment mechanism; 41. First adjustment mechanism; 411. First arc-shaped adjustment plate; 412. Folding edge;

[0038] 42. Second adjustment mechanism; 421. Second arc-shaped adjustment plate;

[0039] 51, first air duct; 52, second air duct; 53, third air duct; 54, fourth air duct;

[0040] 60. Supporting part; 61. Water receiving tray; 62. Annular supporting platform;

[0041] 70. Current passage. DETAILED DESCRIPTION

[0042] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0043] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0044] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0045] Now, exemplary embodiments according to the present application will be described in more detail with reference to the accompanying drawings. However, these exemplary embodiments may be implemented in a variety of different forms and should not be construed as being limited to the embodiments described herein. It should be understood that these embodiments are provided to make the disclosure of the present application thorough and complete, and to fully convey the concepts of these exemplary embodiments to those of ordinary skill in the art. In the accompanying drawings, for the sake of clarity, the thickness of the layers and regions may be enlarged, and the same reference numerals are used to represent the same devices, and thus their descriptions will be omitted.

[0046] Combination Figures 1 to 7 As shown, according to a specific embodiment of the present invention, an air conditioning cabinet is provided.

[0047] Specifically, Figure 1 and Figure 7 As shown, the air conditioning cabinet includes a housing 10, a heat exchanger 20, a mixed flow fan unit 30 and an adjusting mechanism 40. The housing 10 has an upper air port 11 and a lower air port 12. The heat exchanger 20 is arranged in the housing 10 and is located between the upper air port 11 and the lower air port 12. The mixed flow fan unit 30 is arranged in the housing 10. The adjusting mechanism 40 is arranged in the housing 10, and the adjusting mechanism 40 is located between the mixed flow fan unit 30 and the heat exchanger 20. The adjusting mechanism 40 has a contraction position contracted toward the axis of the housing 10, and the adjusting mechanism 40 has an expansion position gradually opened away from the axis of the housing 10. When the adjusting mechanism 40 is at the contraction position, the mixed flow fan unit 30 can suck the external airflow from the upper air port 11 into the housing 10, perform heat exchange with the heat exchanger 20, and then discharge it out of the housing 10 through the lower air port 12.

[0048] In this embodiment, by arranging an adjustment mechanism in the shell and controlling the adjustment mechanism to be located at the expansion position or the contraction position, the air conditioner cabinet with the mixed flow fan unit can realize the upper air inlet and lower air outlet mode, or the air conditioner cabinet can realize the upper air outlet and lower air inlet mode. In particular, when the air conditioner cabinet is in the cooling mode, the upper air outlet and lower air inlet mode are adopted, and when the air conditioner cabinet is in the heating mode, the upper air inlet and lower air outlet mode are adopted, which can effectively avoid the problem of heat stratification in the room, can make the temperature difference in the longitudinal direction of the room very small, and can effectively utilize the energy generated by the air conditioner cabinet.

[0049] Among them, Figure 6 As shown, when the adjustment mechanism 40 is located at the expansion position, the mixed flow fan unit 30 can draw the external airflow from the lower air port 12 into the housing 10 to exchange heat with the heat exchanger 20, and then discharge it outside the housing 10 through the upper air port 11. By arranging the adjustment mechanism 40 in the housing, the air inlet direction and the air outlet direction of the housing can be changed. This arrangement can solve the problem in the prior art that multiple fans must be used in the housing to achieve the change of the housing air inlet mode. In addition, in this embodiment, the housing air inlet mode can be changed without changing the rotation direction of the mixed flow fan unit 30, which effectively improves the practicality of the air conditioner cabinet.

[0050] Specifically, Figure 6 and Figure 7 As shown, the air conditioner cabinet includes an air duct. The air duct includes a first air duct 51 and a second air duct 52. The first air duct 51 is arranged in the housing 10, the first end of the first air duct 51 is connected to the lower air outlet 12, the second end of the first air duct 51 is connected to the regulating mechanism 40, the regulating mechanism 40 and the first air duct 51 are surrounded to form the second air duct 52, and the mixed flow fan unit 30 is arranged in the first air duct 51. Such an arrangement can improve the sealing between the regulating mechanism 40 and the first air duct 51, so that the airflow at the lower air outlet 12 can smoothly enter the housing through the second air duct 52 to perform heat exchange with the heat exchanger.

[0051] Furthermore, the air duct further includes a third air duct 53 and a fourth air duct 54, and the air conditioning cabinet includes a support portion 60. The support portion 60 is connected to the inner wall of the housing 10. The adjustment mechanism 40 is located below the support portion 60, and a flow channel 70 is provided on the support portion 60. The heat exchanger 20 is connected to the support portion 60, and the heat exchanger 20 is a hollow structure (i.e., Figure 6As shown, the hollow structure is a hollow cylindrical structure formed by the heat exchanger body, the hollow structure is connected with the second air duct 52 through the flow passage 70 to form the third air duct 53, the outer surface of the heat exchanger 20 is arranged at a distance from the shell 10 to form the fourth air duct 54, and the fourth air duct 54 is connected with the upper air port 11 and the third air duct 53. Such an arrangement can effectively improve the installation stability of the heat exchanger, and can also effectively facilitate the airflow outside the shell to enter the fourth air duct 54 from the third air duct 53, or facilitate the airflow outside the shell to enter the third air duct 53 from the fourth air duct 54.

[0052] In order to effectively discharge the condensed water generated in the cabinet in time, a water receiving pan 61 is provided on the support portion 60. The water receiving pan 61 is connected to the housing 10 and has a flow channel 70 thereon. The water receiving pan 61 is used to collect the condensed water generated by the heat exchanger 20.

[0053] Among them, the heat exchanger 20 is a barrel-shaped structure with one end open, and the open end of the heat exchanger 20 is connected to the water receiving pan 61. The inner diameter of the open end of the heat exchanger 20 is larger than the inner diameter of the flow channel 70. The airflow in the third air duct 53 can flow to the fourth air duct 54 after heat exchange through the side wall of the heat exchanger 20, or the airflow in the fourth air duct 54 can flow to the third air duct 53 after heat exchange through the side wall of the heat exchanger 20. Such an arrangement can increase the heat exchange area between the airflow and the heat exchanger. Among them, an annular fourth air duct 54 is formed between the outer surface of the heat exchanger 20 and the inner wall of the shell. Of course, part of the side wall of the heat exchanger 20 can also be set to an installation method connected to the side wall of the shell. Preferably, the axis of the heat exchanger 20 coincides with the axis of the vertical direction of the shell.

[0054] The regulating mechanism 40 includes a first regulating mechanism 41 and a second regulating mechanism 42. The first end of the first regulating mechanism 41 is movably connected to the second end of the first air duct 51, and the second end of the first regulating mechanism 41 is arranged away from the first air duct 51. The second end of the first regulating mechanism 41 has a shrinking position close to the axis of the housing 10, and the second end of the first regulating mechanism 41 has an expanding position away from the axis of the housing 10. The first end of the second regulating mechanism 42 is movably connected to the water receiving tray 61. The second end of the second regulating mechanism 42 has a shrinking position close to the axis of the housing 10, and the second end of the second regulating mechanism 42 has an expanding position away from the axis of the housing 10 (i.e., the geometric center line of the vertical direction of the housing 10). When the first regulating mechanism 41 and the second regulating mechanism 42 are both located at the shrinking position, the first end of the first regulating mechanism 41 contacts the second end of the second regulating mechanism 42, and the first regulating mechanism 41 and the second regulating mechanism 42 are arranged to form a sealed second air duct 52. This arrangement makes the structure of the first regulating mechanism 41 and the second regulating mechanism 42 simple, and it is easy to realize the switching operation between different positions.

[0055] When the first regulating mechanism 41 and the second regulating mechanism 42 are both located at the expanded position, at least one of the first regulating mechanism 41 and the second regulating mechanism 42, the housing 10, the support portion 60 and the water receiving tray 61 is surrounded to form a second air duct 52. This arrangement ensures that no matter what state the regulating mechanism is in, a sealed channel structure is always surrounded between the regulating mechanism and the housing, which can avoid air leakage inside the air conditioner cabinet and improve the reliability of the cabinet.

[0056] When the first adjustment mechanism 41 and the second adjustment mechanism 42 are both located at the contracted position. The cross-sectional area of ​​the second air duct 52 is set to gradually decrease in the direction away from the mixed flow fan unit 30. When the second adjustment mechanisms 42 are both located at the expanded position, the cross-sectional area of ​​the air duct structure enclosed by the second adjustment mechanisms 42 is set to gradually increase in the direction toward the mixed flow fan unit 30. By changing the cross-sectional area of ​​the air inlet channel at the upper end of the mixed flow fan unit, the mixed flow fan unit 30 can achieve the function of suction or air supply. This arrangement eliminates the need to separately set up multiple fans to respectively achieve the functions of suction or air supply, thereby effectively improving the practicality of the mixed flow fan unit 30.

[0057] Specifically, the first adjustment mechanism 41 includes a first arc-shaped adjustment plate 411. The first end of the first arc-shaped adjustment plate 411 is hinged to the end side wall of the first air duct 51, and the second end of the first arc-shaped adjustment plate 411 is arranged away from the first air duct 51. There are multiple first arc-shaped adjustment plates 411, and the multiple first arc-shaped adjustment plates 411 are arranged along the circumference of the first air duct 51. When each first arc-shaped adjustment plate 411 is located at the shrinking position, the multiple first arc-shaped adjustment plates 411 are arranged to form a ring-shaped air duct structure. A driving unit can be arranged inside the shell to drive the first arc-shaped adjustment plate 411 to rotate. The driving unit can drive a single first arc-shaped adjustment plate 411 individually, or one driving unit can drive multiple first arc-shaped adjustment plates 411 to rotate simultaneously. Since the distance between the first arc adjustment plates 411 increases when they are in the flared position, the corresponding width, length and bending curvature of the first arc adjustment plates 411 can be set while ensuring that multiple first arc adjustment plates 411 can still be arranged to form a sealed air duct when each first arc adjustment plate 411 is in the flared position.

[0058] Preferably, the second end of the first arc-shaped adjustment plate 411 is provided with a folded edge 412, and the folded edge 412 is bent toward one side of the housing 10. Such a configuration can improve the connection reliability between the first arc-shaped adjustment plate 411 and the housing.

[0059] The second adjustment mechanism 42 includes a second arc-shaped adjustment plate 421. The first end of the second arc-shaped adjustment plate 421 is hinged to the bottom of the water receiving tray 61, and the second end of the second arc-shaped adjustment plate 421 can be rotatably arranged around the hinge point between the first end of the second arc-shaped adjustment plate 421 and the water receiving tray 61. There are multiple second arc-shaped adjustment plates 421, and the multiple second arc-shaped adjustment plates 421 are arranged along the circumference of the flow channel 70. When each second arc-shaped adjustment plate 421 is located at the shrinking position, the multiple second arc-shaped adjustment plates 421 are arranged to form a ring-shaped air duct structure. Setting the second adjustment mechanism 42 as an arc-shaped adjustment plate structure can reduce the processing difficulty of the second adjustment mechanism. At the same time, the structure is simple and has high reliability in operation. Among them, the driving method of the second adjustment mechanism can adopt the driving method of the first adjustment mechanism.

[0060] Furthermore, the support portion 60 further includes an annular support platform 62. The annular support platform 62 is connected to the inner wall of the housing 10. The water receiving tray 61 is connected to the annular support platform 62 and is located above the annular support platform 62. When the second arc-shaped adjustment plate 421 is located at the flared position, the second end of the second arc-shaped adjustment plate 421 is sealed and connected to the inner circumferential surface of the annular support platform 62. This arrangement can improve the installation stability of the water receiving tray and improve the sealing between the adjustment mechanism and the housing.

[0061] The bottom of the annular support platform 62 is provided with an inclined surface, and when the second arc-shaped adjustment plate 421 is located at the expansion position, the lower surface of the second arc-shaped adjustment plate 421 is parallel to the inclined surface. This arrangement can effectively reduce the wind resistance of the airflow and reduce the flow noise of the airflow.

[0062] Preferably, the heat exchanger 20 is a cylindrical structure, the axis of the heat exchanger 20 is arranged in the vertical direction, and a top plate 21 is arranged at one end of the heat exchanger 20 close to the upper air outlet 11. This arrangement allows the airflow to enter or exit only through the side wall of the heat exchanger, thereby increasing the heat exchange area between the airflow and the heat exchanger and improving the heat exchange performance of the air conditioner cabinet. Preferably, the heat exchanger is an evaporator.

[0063] Specifically, the air conditioner cabinet adopting this structure can realize the comfortable air outlet function selection of up and down convection, optimize the distribution of indoor temperature field, and improve energy utilization efficiency. Specifically, an air outlet is arranged above and below the vertical cabinet air conditioner, and a mixed flow fan structure is set in the internal structure. The mixed flow fan characteristics are used to realize different air duct outlet modes of up and down convection through the transformation of the internal mechanism, so as to realize up and down circulation convection in cooling and heating mode. When cooling, the air is discharged from the upper air outlet and returned from the lower air outlet. When heating, the air is discharged from the lower air outlet and returned from the upper air outlet. Heat can be recycled and utilized according to the characteristics of cold and hot air, and then the operation mode of the whole machine can be adjusted to achieve energy-saving, comfort and power-saving effects.

[0064] like Figure 6 and Figure 7As shown, the inside of the shell includes a base, a mixed flow fan, an air duct, a water tray, an evaporator, an adjustment mechanism, an upper air outlet, a lower air outlet, and a top cover. The operation of the product mainly relies on the characteristics of the mixed flow fan. The mixed flow fan is a fan between the centrifugal and axial flow fans, and can output the effects of axial work and centrifugal work. After in-depth research on the mixed flow fan, the output of the mixed flow fan is different under different internal pressure conditions. In the structure shown in the figure, when the internal adjustment mechanism is fully opened and the internal channel pressure becomes smaller, the mixed flow fan works more in an axial flow mode, and the fan sucks air from the lower air outlet and sends air upward, through the middle through-hole position of the water tray, through the evaporator from both sides for heat exchange, and finally gathers to the upper air outlet for air supply. When the internal regulating mechanism is closed to form a constriction, the pressure in the internal air duct will increase, and the mixed flow fan will work more in a centrifugal manner, supplying air radially and directly out from the downwind outlet next to the fan, causing internal suction, thereby realizing the reverse operation mode. The air enters from the upper air outlet, passes through the evaporator from all sides to the middle, and enters the air duct from the middle position of the water tray, and is driven by the fan to supply air to the downwind outlet, thereby achieving the purpose of downward air supply.

[0065] According to another embodiment of the present application, a method for controlling an air-conditioning cabinet is provided, and the method is used to control the above-mentioned air-conditioning cabinet, and the method includes the following steps: when the heating mode is selected through the controller of the air-conditioning cabinet, the regulating mechanism 40 is located in the contracted position, and the mixed flow fan unit 30 draws the external air flow into the shell 10 from the upper air port 11, exchanges heat with the heat exchanger 20, and then discharges it to the outside of the shell 10 through the lower air port 12; when the cooling mode is selected through the controller, the regulating mechanism 40 is located in the expanded position, and the mixed flow fan unit 30 draws the external air flow into the shell 10 from the lower air port 12, exchanges heat with the heat exchanger 20, and then discharges it to the outside of the shell 10 through the upper air port 11. Among them, the air-conditioning cabinet also includes an air supply mode. When the air supply mode is selected by the controller, the adjustment mechanism 40 is located in the contracted position, and the mixed flow fan unit 30 sucks the external air flow into the shell 10 from the upper air port 11, and then discharges it outside the shell 10 through the lower air port 12. Alternatively, when the air supply mode is selected by the controller, the adjustment mechanism 40 is located in the expanded position, and the mixed flow fan unit 30 sucks the external air flow into the shell 10 from the lower air port 12, and then discharges it outside the shell 10 through the upper air port 11. In the air supply mode, the heat exchanger 20 is in a non-working state, that is, the heat exchanger does not perform heat exchange work.

[0066] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0067] In addition to the above, it should be noted that "one embodiment", "another embodiment", "embodiment", etc. mentioned in this specification refer to the specific features, structures or characteristics described in conjunction with the embodiment included in at least one embodiment generally described in this application. The same expression appearing in multiple places in the specification does not necessarily refer to the same embodiment. Further, when describing a specific feature, structure or characteristic in conjunction with any embodiment, it is claimed that the realization of such feature, structure or characteristic in conjunction with other embodiments also falls within the scope of the present invention.

[0068] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0069] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An air conditioning cabinet, characterized in that: include: A housing (10), wherein the housing (10) has an upper air outlet (11) and a lower air outlet (12); A mixed flow fan unit (30), wherein the mixed flow fan unit (30) is arranged in the housing (10); An adjusting mechanism (40) is arranged in the shell (10), and the adjusting mechanism (40) has a contraction position contracted toward the axis of the shell (10) and an expansion position gradually expanded away from the axis of the shell (10). When the adjusting mechanism (40) is located at the contraction position, the mixed flow fan section (30) draws external air flow into the shell (10) from the upper air port (11), and then discharges the air flow out of the shell (10) through the lower air port (12).

2. The air conditioning cabinet according to claim 1, characterized in that: The air conditioning cabinet comprises: A heat exchanger (20), wherein the heat exchanger (20) is arranged in the shell (10) and is located between the upper air port (11) and the lower air port (12); the regulating mechanism (40) is located between the mixed flow fan unit (30) and the heat exchanger (20); when the regulating mechanism (40) is located at the constricted position, the mixed flow fan unit (30) draws external air from the upper air port (11) into the shell (10), exchanges heat with the heat exchanger (20), and then discharges the air out of the shell (10) through the lower air port (12).

3. The air conditioning cabinet according to claim 2, characterized in that: When the regulating mechanism (40) is located at the expansion position, the mixed flow fan unit (30) draws external air flow from the lower air port (12) into the shell (10), exchanges heat with the heat exchanger (20), and then discharges the air flow out of the shell (10) through the upper air port (11).

4. The air conditioning cabinet according to claim 2, characterized in that: The air conditioning cabinet comprises an air duct, wherein the air duct comprises a first air duct (51) and a second air duct (52), wherein the first air duct (51) is arranged in the shell (10), wherein the first end of the first air duct (51) is connected to the downwind port (12), wherein the second end of the first air duct (51) is connected to the regulating mechanism (40), wherein the regulating mechanism (40) and the first air duct (51) are arranged to form the second air duct (52), and the mixed flow fan unit (30) is arranged in the first air duct (51).

5. The air conditioning cabinet according to claim 4, characterized in that: The air duct further includes a third air duct (53) and a fourth air duct (54), and the air conditioning cabinet includes: A support portion (60), the support portion (60) is connected to the inner wall of the shell (10), the adjustment mechanism (40) is located below the support portion (60), a flow channel (70) is provided on the support portion (60), and the heat exchanger (20) is connected to the support portion (60).

6. The air conditioning cabinet according to claim 5, characterized in that: The heat exchanger (20) is a hollow structure, and the hollow structure is connected to the second air duct (52) through the flow channel (70) to form the third air duct (53). The outer surface of the heat exchanger (20) is arranged at a distance from the shell (10) to form the fourth air duct (54), and the fourth air duct (54) is connected to the upper air port (11) and the third air duct (53).

7. The air conditioning cabinet according to claim 5, characterized in that: The support portion (60) comprises: A water receiving tray (61), the water receiving tray (61) is connected to the shell (10), the flow passage (70) is provided on the water receiving tray (61), and the water receiving tray (61) is used to collect condensed water generated by the heat exchanger (20).

8. The air conditioning cabinet according to claim 7, characterized in that: The heat exchanger (20) is a barrel-shaped structure with one end open. The open end of the heat exchanger (20) is connected to the water receiving tray (61). The inner diameter of the open end of the heat exchanger (20) is larger than the inner diameter of the flow channel (70). The airflow in the third air duct (53) can flow into the fourth air duct (54) after heat exchange through the side wall of the heat exchanger (20), or the airflow in the fourth air duct (54) can flow into the third air duct (53) after heat exchange through the side wall of the heat exchanger (20).

9. The air conditioning cabinet according to claim 7, characterized in that: The regulating mechanism (40) comprises: a first adjusting mechanism (41), wherein a first end of the first adjusting mechanism (41) is movably connected to a second end of the first air duct (51), the second end of the first adjusting mechanism (41) is arranged away from the first air duct (51), the second end of the first adjusting mechanism (41) has the contracted position close to the axis of the shell (10), and the second end of the first adjusting mechanism (41) has the expanded position away from the axis of the shell (10); A second regulating mechanism (42), wherein a first end of the second regulating mechanism (42) is movably connected to the water receiving tray (61), a second end of the second regulating mechanism (42) has a contracted position close to the axis of the shell (10), and a second end of the second regulating mechanism (42) has an expanded position away from the axis of the shell (10), and when the first regulating mechanism (41) and the second regulating mechanism (42) are both located at the contracted position, the first end of the first regulating mechanism (41) is in contact with the second end of the second regulating mechanism (42), and the first regulating mechanism (41) and the second regulating mechanism (42) are enclosed to form a sealed second air duct (52).

10. The air conditioning cabinet according to claim 9, characterized in that: When the first adjusting mechanism (41) and the second adjusting mechanism (42) are both located at the flared position, the first adjusting mechanism (41) and the second adjusting mechanism (42), the shell (10), the supporting portion (60) and at least one of the water receiving tray (61) are arranged to form the second air duct (52).

11. The air conditioning cabinet according to claim 9, characterized in that: When the first adjustment mechanism (41) and the second adjustment mechanism (42) are both located at the constricted position, the cross-sectional area of ​​the second air duct (52) is arranged to gradually decrease in a direction away from the mixed flow fan section (30).

12. The air conditioning cabinet according to claim 9, characterized in that: When the first adjustment mechanism (41) and the second adjustment mechanism (42) are both located at the expansion position, the cross-sectional area of ​​the air duct structure enclosed by the second adjustment mechanism (42) is gradually increased in a direction toward the mixed flow fan section (30).

13. The air conditioning cabinet according to claim 9, characterized in that: The first adjustment mechanism (41) comprises: A first arc-shaped adjustment plate (411), wherein a first end of the first arc-shaped adjustment plate (411) is hinged to an end side wall of the first air duct (51), and a second end of the first arc-shaped adjustment plate (411) is arranged away from the first air duct (51). There are a plurality of first arc-shaped adjustment plates (411), and the plurality of first arc-shaped adjustment plates (411) are arranged along the circumference of the first air duct (51). When each of the first arc-shaped adjustment plates (411) is located at the shrinking position, the plurality of first arc-shaped adjustment plates (411) are arranged to form a ring-shaped air duct structure.

14. The air conditioning cabinet according to claim 13, characterized in that: The second end of the first arc-shaped adjustment plate (411) is provided with a folded edge (412), and the folded edge (412) is bent toward one side of the housing (10).

15. The air conditioning cabinet according to claim 9, characterized in that: The second adjustment mechanism (42) comprises: A second arc-shaped adjustment plate (421), wherein the first end of the second arc-shaped adjustment plate (421) is hinged to the bottom of the water receiving tray (61), and the second end of the second arc-shaped adjustment plate (421) can be rotatably arranged around a hinge point between the first end of the second arc-shaped adjustment plate (421) and the water receiving tray (61). There are a plurality of second arc-shaped adjustment plates (421), and the plurality of second arc-shaped adjustment plates (421) are arranged along the circumference of the flow passage (70). When each of the second arc-shaped adjustment plates (421) is located at the constricted position, the plurality of second arc-shaped adjustment plates (421) are arranged to form a ring-shaped air duct structure.

16. The air conditioning cabinet according to claim 15, characterized in that: The support portion (60) further comprises: An annular support platform (62), the annular support platform (62) is connected to the inner wall of the shell (10), the water receiving tray (61) is connected to the annular support platform (62) and is located above the annular support platform (62), and when the second arc-shaped adjustment plate (421) is located at the flared position, the second end of the second arc-shaped adjustment plate (421) is sealed and connected to the inner circumferential surface of the annular support platform (62).

17. The air conditioning cabinet according to claim 16, characterized in that: The bottom of the annular support platform (62) is provided with an inclined surface, and when the second arc-shaped adjustment plate (421) is located at the expansion position, the lower surface of the second arc-shaped adjustment plate (421) is parallel to the inclined surface.

18. The air conditioning cabinet according to claim 2, characterized in that: The heat exchanger (20) is a cylindrical structure, the axis of the heat exchanger (20) is arranged in a vertical direction, and a top plate (21) is arranged at one end of the heat exchanger (20) close to the upper air outlet (11).

19. A method for controlling an air conditioning cabinet, the method being used to control the air conditioning cabinet according to any one of claims 1 to 18, characterized in that: The method comprises the following steps: When the heating mode is selected through the controller of the air conditioning cabinet, the regulating mechanism (40) is located at the constricted position, and the mixed flow fan unit (30) draws the external airflow from the upper air port (11) into the shell (10), exchanges heat with the heat exchanger (20), and then discharges the airflow outside the shell (10) through the lower air port (12); When the cooling mode is selected by the controller, the regulating mechanism (40) is located at the flared position, and the mixed flow fan unit (30) draws external air flow from the lower air port (12) into the shell (10), exchanges heat with the heat exchanger (20), and then discharges the air flow out of the shell (10) through the upper air port (11).

20. The method according to claim 19, characterized in that The air conditioning cabinet further comprises an air supply mode, when the air supply mode is selected by the controller, the regulating mechanism (40) is located at the contracted position, the mixed flow fan unit (30) sucks external airflow into the shell (10) from the upper air port (11), and then discharges the airflow to the outside of the shell (10) through the lower air port (12); or, when the air supply mode is selected by the controller, the regulating mechanism (40) is located at the expanded position, the mixed flow fan unit (30) sucks external airflow into the shell (10) from the lower air port (12), and then discharges the airflow to the outside of the shell (10) through the upper air port (11); Wherein, in the air supply mode, the heat exchanger (20) is in a non-operating state.

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