Central air conditioning energy saving device

Abstract

The present invention relates to the technical field of central air conditioning, specifically to a central air conditioning energy-saving device, including a fan coil unit assembly, the fan coil unit assembly including a first cover plate, a second shell connected to the bottom of the first cover plate, a first shell integrally formed on one side of the second shell, a mounting cylinder and a third shell connected to the outer walls of the first cover plate and the second shell, respectively, a fourth shell is provided on one side of the first shell; a sealing assembly, the sealing assembly including a positioning frame and a first motor, the positioning frame connected to the inner wall of the first shell. The present invention can drive the rotating disk to rotate, thereby realizing the switching of filters in different positions. Compared with the traditional detachable cleaning of filters, the structure is more convenient and safe. At the same time, through the setting of the transmission assembly, the shutter can be opened when the filter is switched, so that the clean filter can be used every time the machine is turned on to improve its ventilation efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of central air conditioning, in particular to a central air conditioning energy-saving device. Background Art

[0002] The central air-conditioning system consists of one or more cold and heat source systems and multiple air conditioning systems. It uses the principle of liquid vaporization refrigeration to provide the required cooling capacity for the air conditioning system to offset the heat load of the indoor environment; the heating system provides the required heat for the air conditioning system to offset the cooling and heating loads of the indoor environment. The system consists of a main unit and a terminal. The main unit is divided into a water-cooled unit and an air-cooled unit. The terminal equipment mainly consists of air-conditioning units and fan coil units.

[0003] When the existing central air-conditioning terminal fan coil unit is in use, the filter at the bottom will produce dust adhesion when used for a long time, thereby reducing the ventilation efficiency of the device and increasing the workload. At the same time, when the traditional structure is used for dust cleaning, the filter needs to be disassembled before it can be cleaned. The operation process is cumbersome and the workload is large, which greatly reduces the convenience and safety of its use. At the same time, when it is not in use, the air outlet at the bottom is in an exposed state, which is easy to cause the entry of external flying insects, further affecting the efficiency of the use of the filter. Therefore, it is urgent to design a central air-conditioning energy-saving device to solve the above problems. Summary of the invention

[0004] The object of the present invention is to provide a central air-conditioning energy-saving device to solve the problem proposed in the above background technology that dust will adhere to the filter when used for a long time, thereby reducing the air permeability efficiency of the device and increasing the workload. At the same time, when the traditional structure is used for dust cleaning, the filter needs to be disassembled before the filter can be cleaned. The operation process is cumbersome and the workload is large, which greatly reduces the convenience and safety of its use.

[0005] To achieve the above object, the present invention provides the following technical solution: a central air-conditioning energy-saving device, comprising:

[0006] A fan coil unit assembly, the fan coil unit assembly comprising a first cover plate, a second shell being connected below the first cover plate, a first shell being integrally formed on one side of the second shell, a mounting cylinder and a third shell being connected to outer walls of the first cover plate and the second shell respectively, and a fourth shell being provided on one side of the first shell;

[0007] A sealing assembly, the sealing assembly comprising a positioning frame and a first motor, the positioning frame being connected to the inner wall of the first housing, a rotating shaft rotating inside the positioning frame, first gears being connected to the outside of the rotating shaft, and adjacent first gears being meshed with each other, a shutter being connected to the outer wall of the rotating shaft, the first motor being connected to the inside of the fourth housing, a first conical tooth being connected to the output end of the first motor, and a second conical tooth being connected to the other end of the first conical tooth;

[0008] A rotating assembly, wherein the rotating assembly comprises a second motor, the second motor is connected to the top of the first cover plate, the output end of the second motor is connected to the first main shaft, the outer wall of the first main shaft is fixedly connected to a third conical tooth, the outer part of the third conical tooth is meshed with a fourth conical tooth, the outer wall of the first main shaft is fixedly connected to a rotating disk, and the interior of the rotating disk is connected to a filter screen;

[0009] Transmission components, the transmission components are provided in two groups, one group of the transmission components is used for power transmission between the rotating shaft and the second conical teeth, and the other group of the transmission components is used for power transmission between the rotating shaft and the fourth conical teeth.

[0010] Preferably, an air duct integration is provided inside the first shell, and the air outlet corresponds to directly above the positioning frame, an air outlet filter plate is pulled closed at the bottom of the first shell, a water pipe is fixedly connected to the inner wall of the second shell, and the interior of the second shell corresponding to the water pipe is conically inclined, and the lowest point of the conical inclination corresponds to a drain pipe connected therethrough.

[0011] Preferably, the outside of the rotating disk is wrapped with a soft rubber pad, the upper surface of the rotating disk is in contact with the lower surface of the first cover plate, the lower surface of the rotating disk is in contact with the upper surface of the positioning frame and the water pipe, and four groups of step holes are evenly opened on the rotating disk, and the interior of each group of step holes is connected to a group of filter screens through countersunk screws, and one group of filter screens corresponds to the bottom of the air duct integration.

[0012] Preferably, the transmission assembly includes a transmission sleeve, the inner wall of the transmission sleeve is fixedly connected to an outer ring, the interior of the outer ring is connected to a retaining ring, a wedge-shaped groove is opened inside the retaining ring, and a spring and a roller are arranged inside the wedge-shaped groove, an inner ring is arranged inside the retaining ring, and the inner wall of the inner ring is fixedly connected to a transmission shaft.

[0013] Preferably, the two groups of transmission components are installed symmetrically, and the transmission shafts of the two groups of transmission components are respectively connected to the two ends of the rotating shaft, one end of the transmission sleeve of one group away from the rotating shaft is fixedly connected with the fourth conical tooth, and the other end of the transmission sleeve of the other group is fixedly connected with the second conical tooth, and the wedge-shaped groove is an inclined surface.

[0014] Preferably, a cleaning assembly is further provided inside the mounting cylinder, the second shell and the third shell, and the cleaning assembly includes a third motor, the output end of the third motor is connected to the first sleeve, the first inner column is inserted into the interior of the first sleeve, the outside of the first inner column is rotatably connected to the first support frame, the bottom of the first inner column is fixedly connected to the second bracket, the lower surface of the second bracket is connected to a sponge bar, and a high-pressure nozzle is also provided inside the third shell, and the high-pressure nozzle corresponds to the top of the filter.

[0015] Preferably, the outside of the first inner column is connected to a belt transmission mechanism, the other end of the belt transmission mechanism is connected to a second sleeve, the second inner column is inserted into the inside of the second sleeve, the other end of the second inner column is sleeved with a third sleeve, the other end of the third sleeve is connected to the third inner column, the other end of the third sleeve is sleeved with a fourth sleeve, the other end of the fourth sleeve is connected to a first steering gear, the other working end of the first steering gear is connected to a connecting shaft, the other end of the connecting shaft is connected to a second steering gear, the other working end of the second steering gear is connected to a transmission rod, the top of the transmission rod is fixedly connected to a first bracket, the upper surface of the first bracket is fixedly connected to a sponge bar, and the outside of the transmission rod is rotatably connected to a second support frame.

[0016] Preferably, there are two groups of sponge strips, and the two groups of sponge strips are symmetrically distributed, and the two groups of sponge strips are respectively located on the upper and lower sides of the corresponding filter screen, and a group of lifting cylinders are connected to the side where the first support frame and the second support frame are close to each other, and the output end of each group of the lifting cylinders is respectively connected to the lower surface of the first support frame and the upper surface of the second support frame, the outer wall of the lifting cylinder is connected to the inner wall of the third shell through a connection, the outer walls of the second sleeve, the third sleeve and the fourth sleeve are all rotatably connected to the inner wall of the third shell through a bearing, the second inner column is cylindrical at the position corresponding to the first support frame, and the outer wall of the second inner column is rotatably connected to the first support frame through a ball bearing, the third inner column is cylindrical at the position corresponding to the second support frame, and the outer wall of the third inner column is rotatably connected to the second support frame through a ball bearing.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The central air-conditioning energy-saving device can drive the rotating disk to rotate through the setting of the rotating component, so as to realize the switching of filters in different positions. Compared with the traditional filter disassembly cleaning, the structure is more convenient and safer. At the same time, through the setting of the transmission component, the shutter can be opened when the filter is switched, so that the clean filter can be used every time the machine is turned on, thereby improving its ventilation efficiency.

[0019] 2. The central air-conditioning energy-saving device is provided with a sealing component, which enables the device to seal the air outlet when it is idle, thereby preventing the entry of external flying insects and wind impurities and improving the cleanliness of the filter.

[0020] 3. The central air-conditioning energy-saving device can clean the recycled filter through the setting of the cleaning component, so as to ensure the air permeability of the filter, thereby effectively improving its energy-saving effect. At the same time, the filter is used in a circular cycle switching manner to ensure that each time the filter is used, it is a clean filter. In addition, the self-cleaning effect of the device is improved while improving its convenience of use and reducing subsequent maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall cross-sectional structure of the present invention;

[0022] Figure 2 For the present invention Figure 1 A is a schematic diagram of the enlarged structure of the middle part;

[0023] Figure 3 For the present invention Figure 1 A schematic diagram of the enlarged structure of B;

[0024] Figure 4 For the present invention Figure 1 Schematic diagram of the enlarged structure of C;

[0025] Figure 5 It is a schematic diagram of the overall explosion structure of the present invention;

[0026] Figure 6 For the present invention Figure 5 Schematic diagram of the enlarged structure of D in the middle;

[0027] Figure 7 It is a schematic diagram of the overall structure of the present invention;

[0028] Figure 8 It is a schematic diagram of the partial explosion structure of the sealing assembly of the present invention;

[0029] Fig. 9 It is a schematic diagram of the overall structure of the cleaning component of the present invention;

[0030] Fig.10 It is a schematic diagram of the partial explosion structure of the transmission component of the present invention.

[0031] In the figure: 1. fan coil unit assembly; 11. first cover plate; 12. first shell; 13. mounting tube; 14. second shell; 15. third shell; 16. air filter plate; 17. fourth shell; 18. water guide pipe; 19. drain pipe; 2. sealing assembly; 21. positioning frame; 22. rotating shaft; 23. shutter; 24. first gear; 25. first motor; 26. first conical gear; 27. second conical gear; 3. rotating assembly; 31. second motor; 32. first main shaft; 33. third conical gear; 34. fourth conical gear; 35. rotating disk; 36. filter screen; 4. transmission assembly; 4 1. Transmission sleeve; 42. Outer ring; 43. Inner ring; 44. Transmission shaft; 45. Retaining ring; 46. Spring; 47. Needle roller; 5. Cleaning assembly; 51. Third motor; 52. First sleeve; 53. First inner column; 54. First support frame; 55. Belt transmission mechanism; 56. Second sleeve; 57. Second inner column; 58. Third sleeve; 59. Third inner column; 60. Fourth sleeve; 61. First steering gear; 62. Connecting shaft; 63. Second steering gear; 64. Transmission rod; 65. First bracket; 66. Second bracket; 67. Second support frame; 68. Sponge bar; 69. Lifting cylinder. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] See also Figure 1-10 , an embodiment provided by the present invention:

[0034] A central air-conditioning energy-saving device, comprising:

[0035] The fan coil unit assembly 1 comprises a first cover plate 11, a second shell 14 is connected to the lower part of the first cover plate 11, a first shell 12 is integrally formed on one side of the second shell 14, a mounting cylinder 13 and a third shell 15 are connected to the outer walls of the first cover plate 11 and the second shell 14 respectively, and a fourth shell 17 is provided on one side of the first shell 12;

[0036] The sealing component 2 includes a positioning frame 21 and a first motor 25. The positioning frame 21 is connected to the inner wall of the first housing 12. A rotating shaft 22 is rotated inside the positioning frame 21. The outside of the rotating shaft 22 is connected to a first gear 24, and adjacent first gears 24 are meshed with each other. The outer wall of the rotating shaft 22 is connected to a shutter 23. The first motor 25 is connected to the inside of the fourth housing 17. The output end of the first motor 25 is connected to a first conical tooth 26, and the other end of the first conical tooth 26 is connected to a second conical tooth 27. The first motor 25 is started to drive the rotating shaft 22 to rotate through the transmission assembly 4 through the transmission of the first conical tooth 26 and the second conical tooth 27, and then drive the shutter 23 to rotate, thereby realizing the sealing closure of the sealing component 2;

[0037] The rotating assembly 3 includes a second motor 31, which is connected to the top of the first cover plate 11. The output end of the second motor 31 is connected to the first main shaft 32. The outer wall of the first main shaft 32 is fixedly connected to the third conical teeth 33. The outer part of the third conical teeth 33 is meshed with the fourth conical teeth 34. The outer wall of the first main shaft 32 is fixedly connected to the rotating disk 35. The inner part of the rotating disk 35 is connected to the filter screen 36. The first main shaft 32 is driven to rotate by starting the second motor 31. The rotating shaft 22 is further driven to rotate by the meshing of the third conical teeth 33 and the fourth conical teeth 34 through the transmission of the transmission assembly 4, so that the rotating disk 35 rotates and the shutter 23 is opened at the same time;

[0038] Transmission assembly 4, there are two groups of transmission assembly 4, one group of transmission assembly 4 is used for power transmission between the rotating shaft 22 and the second conical teeth 27, and the other group of transmission assembly 4 is used for power transmission between the rotating shaft 22 and the fourth conical teeth 34. When one group of transmission assembly 4 is in an abutment state for rotation, the other group of transmission assembly 4 is in a non-abutment state.

[0039] Furthermore, an air duct integration is provided inside the first shell 12, and the air outlet corresponds to the top of the positioning frame 21, and the bottom of the first shell 12 is pulled together with an air outlet filter plate 16, and the inner wall of the second shell 14 is fixedly connected with a water pipe 18, and the interior of the second shell 14 corresponding to the water pipe 18 is conically inclined, and the lowest point of the conical inclination corresponds to a drain pipe 19 connected therethrough. The water pipe 18 and the drain pipe 19 are arranged to collect and guide the cleaning waste water, and the drain pipe 19 is connected to an external sewage pipe to complete the discharge of the water source.

[0040] Furthermore, the outside of the rotating disk 35 is wrapped with a soft rubber pad to improve its contact sealing. The upper surface of the rotating disk 35 contacts the lower surface of the first cover plate 11, and the lower surface of the rotating disk 35 contacts the upper surface of the positioning frame 21 and the water pipe 18. Four groups of step holes are evenly opened on the rotating disk 35, and the interior of each group of step holes is connected to a group of filter screens 36 through countersunk screws. One group of filter screens 36 corresponds to the bottom of the air duct integration.

[0041] Furthermore, the transmission assembly 4 includes a transmission sleeve 41, the inner wall of the transmission sleeve 41 is fixedly connected to an outer ring 42, the inner part of the outer ring 42 is connected to a retaining ring 45, a wedge-shaped groove is provided inside the retaining ring 45, and a spring 46 and a needle roller 47 are provided inside the wedge-shaped groove, an inner ring 43 is provided inside the retaining ring 45, and a transmission shaft 44 is fixedly connected to the inner wall of the inner ring 43, and the two groups of transmission assemblies 4 are symmetrically installed, and the transmission shafts 44 of the two groups of transmission assemblies 4 are respectively connected to the two ends of the rotating shaft 22, one end of one group of transmission sleeves 41 away from the rotating shaft 22 is fixedly connected to the fourth conical tooth 34, and the other end of the transmission sleeve 41 away from the rotating shaft 22 is fixedly connected to the second conical tooth 34. The wedge-shaped groove is an inclined surface. Due to the setting of the inclined surface of the wedge-shaped groove, when it rotates to the end with a larger angle, the needle roller 47 can squeeze the spring 46 to cause displacement, and the outer wall of the inner ring 43 and the outer wall of the needle roller 47 abut against each other, further realizing the abutment against the inner wall of the wedge-shaped groove, so that the inner ring 43 rotates while driving the outer ring 42 to rotate, and then the rotation of the transmission sleeve 41 can drive the other side of the parts to rotate through the transmission of the transmission shaft 44, and the two groups of transmission components 4 are symmetrically distributed, so that when the outer ring 42 and the inner ring 43 in one group of transmission components 4 squeeze each other and rotate synchronously, the other group of outer rings 42 and inner rings 43 are in rotational contact.

[0042] Furthermore, a cleaning assembly 5 is also provided inside the mounting cylinder 13, the second shell 14 and the third shell 15, and the cleaning assembly 5 includes a third motor 51, and the output end of the third motor 51 is connected to the first sleeve 52, and the first inner column 53 is inserted inside the first sleeve 52, and the first inner column 53 is externally rotatably connected to the first support frame 54, and the bottom of the first inner column 53 is fixedly connected to the second bracket 66, and the lower surface of the second bracket 66 is connected to a sponge strip 68. A high-pressure nozzle is also provided inside the third shell 15, and the high-pressure nozzle corresponds to the top of the filter 36. Through the setting of the high-pressure nozzle, the filter 36 can be flushed, thereby removing dust adhering to the surface of the filter 36.

[0043] Furthermore, the outside of the first inner column 53 is connected to a belt transmission mechanism 55, the other end of the belt transmission mechanism 55 is connected to a second sleeve 56, the second inner column 57 is inserted into the inside of the second sleeve 56, the other end of the second inner column 57 is sleeved with a third sleeve 58, the other end of the third sleeve 58 is sleeved with a third inner column 59, the other end of the third inner column 59 is sleeved with a fourth sleeve 60, the other end of the fourth sleeve 60 is connected to a first steering gear 61, the other working end of the first steering gear 61 is connected to a connecting shaft 62, the other end of the connecting shaft 62 is connected to a second steering gear 63, the other working end of the second steering gear 63 is connected to a transmission rod 64, the top of the transmission rod 64 is fixedly connected to a first bracket 65, and the third A sponge strip 68 is fixedly connected to the upper surface of a bracket 65, and the outer part of the transmission rod 64 is rotatably connected to the second support frame 67. There are two groups of sponge strips 68, and the two groups of sponge strips 68 are symmetrically distributed, and the two groups of sponge strips 68 are respectively located on the upper and lower sides of the corresponding filter screen 36. A group of lifting cylinders 69 are connected to the side where the first support frame 54 and the second support frame 67 are close to each other, and the output end of each group of lifting cylinders 69 is respectively connected to the lower surface of the first support frame 54 and the upper surface of the second support frame 67. The outer wall of the lifting cylinder 69 is connected to the inner wall of the third shell 15 through the middle, and the outer walls of the second sleeve 56, the third sleeve 58 and the fourth sleeve 60 are all connected to the third shell 15 through the bearing. The inner wall is rotatably connected, the second inner column 57 is cylindrical at the position corresponding to the first support frame 54, and the outer wall of the second inner column 57 is rotatably connected to the first support frame 54 through a ball bearing, the third inner column 59 is cylindrical at the position corresponding to the second support frame 67, and the outer wall of the third inner column 59 is rotatably connected to the second support frame 67 through a ball bearing. Through the setting of the cleaning component 5, the upper and lower sides of the filter screen 36 can be cleaned by rotating the sponge bar 68, thereby improving the convenience and automation of its cleaning, and the operation is simple and convenient. The first sleeve 52 can be driven to rotate by starting the third motor 51, and the second bracket 66 is further driven to rotate by the first inner column 53, and the first inner column 53 rotates at the same time At the same time, the second sleeve 56 can be driven to rotate through the belt transmission mechanism 55, and the fourth sleeve 60 can be driven to rotate through the transmission of the second inner column 57, the third sleeve 58 and the third inner column 59, and the transmission rod 64 can be driven to rotate through the power transmission steering of the first steering gear 61, the connecting shaft 62 and the second steering gear 63. Finally, the rotation of the first bracket 65 can be realized, and the upper and lower groups of sponge strips 68 can be rotated synchronously to complete the cleaning of the surface of the filter screen 36. In combination with water flushing, its cleaning efficiency is improved, and through the setting of the lifting cylinder 69, the first support frame 54 and the second support frame 67 can be driven to move, thereby ensuring the contact between the sponge strip 68 and the outer wall of the filter screen 36.

[0044] Working principle: the first motor 25, the second motor 31, the filter screen 36, the first support frame 54, the first diverter 61 and the second diverter 63 used in the present application are all products that can be directly purchased on the market. Their principles and connection methods are all existing technologies well known to those skilled in the art, so they will not be repeated here. When the present invention is used, the device is first installed and positioned, and then when the device is used, the second motor 31 is controlled to start by turning on the power supply, and the first main shaft 32 is further driven to rotate. The rotation of the first main shaft 32 can drive the third conical teeth 33 and the fourth conical teeth 34 and the rotating disk 35 to rotate, thereby completing the replacement of the filter screen 36. At the same time, the rotating shaft 22 and the first The extrusion and abutment between the four conical teeth 34 complete the rotation of the rotating shaft 22, and further realize the opening of the shutter 23, so that the use of the device can be realized. When the use is finished, the first motor 25 is first started, and further through the transmission of the first conical teeth 26 and the second conical teeth 27, the extrusion and abutment of the transmission component 4 between the second conical teeth 27 and the rotating shaft 22 is cooperated to complete the rotation control of the rotating shaft 22, thereby realizing the reverse sealing of the shutter 23, and further through the start-up of the third motor 51 and the lifting cylinder 69, the sponge bar 68 is rotated after contacting with the filter screen 36, and the cleaning of the filter screen 36 is completed. At the same time, the water source of the high-pressure nozzle is cooperated to flush the filter screen 36, and then it is left to stand and wait for the next use.

[0045] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A central air conditioning energy saving device, characterized in that: include: A fan coil unit assembly (1), the fan coil unit assembly (1) comprising a first cover plate (11), a second shell (14) being connected below the first cover plate (11), a first shell (12) being integrally formed on one side of the second shell (14), a mounting cylinder (13) and a third shell (15) being connected to outer walls of the first cover plate (11) and the second shell (14) respectively, and a fourth shell (17) being provided on one side of the first shell (12); A sealing assembly (2), the sealing assembly (2) comprising a positioning frame (21) and a first motor (25), the positioning frame (21) being connected to the inner wall of the first shell (12), a rotating shaft (22) rotating inside the positioning frame (21), the outside of each rotating shaft (22) being connected to a first gear (24), and adjacent first gears (24) being meshed with each other, the outer wall of the rotating shaft (22) being connected to a shutter (23), the first motor (25) being connected to the inside of a fourth shell (17), the output end of the first motor (25) being connected to a first conical tooth (26), the other end of the first conical tooth (26) being connected to a second conical tooth (27), and an air duct assembly being provided inside the first shell (12), and the air outlet corresponding to the top of the positioning frame (21); A rotating assembly (3), the rotating assembly (3) comprising a second motor (31), the second motor (31) being connected to the top of the first cover plate (11), the output end of the second motor (31) being connected to a first main shaft (32), the outer wall of the first main shaft (32) being fixedly connected to a third conical tooth (33), the outer part of the third conical tooth (33) being meshed with a fourth conical tooth (34), the outer wall of the first main shaft (32) being fixedly connected to a rotating disk (35), the interior of the rotating disk (35) being connected to a filter screen (36), the rotating disk (35) being evenly provided with four groups of step holes, and the interior of each group of step holes being connected to a group of filter screens (36) via countersunk screws, and one group of the filter screens (36) corresponding to the lower side of the air duct assembly; A transmission assembly (4), wherein the transmission assembly (4) comprises two groups, one group of the transmission assemblies (4) is used for power transmission between the rotating shaft (22) and the second conical teeth (27), and the other group of the transmission assemblies (4) is used for power transmission between the rotating shaft (22) and the fourth conical teeth (34), the transmission assembly (4) comprising a transmission sleeve (41), an outer ring (42) being fixedly connected to the inner wall of the transmission sleeve (41), a retaining ring (45) being connected to the interior of the outer ring (42), a wedge-shaped groove being provided inside the retaining ring (45), a spring (46) and a needle roller (47) being provided inside the wedge-shaped groove, an inner ring (43) being provided inside the retaining ring (45), and a transmission shaft (44) being fixedly connected to the inner wall of the inner ring (43); A cleaning assembly (5) is also arranged inside the mounting cylinder (13), the second shell (14) and the third shell (15), and the cleaning assembly (5) comprises a third motor (51), the output end of the third motor (51) is connected to a first sleeve (52), a first inner column (53) is inserted inside the first sleeve (52), the outside of the first inner column (53) is rotatably connected to a first support frame (54), the bottom of the first inner column (53) is fixedly connected to a second bracket (66), the lower surface of the second bracket (66) is connected to a sponge strip (68), and a high-pressure nozzle is also arranged inside the third shell (15), and the high-pressure nozzle corresponds to the top of the filter screen (36).

2. A central air conditioning energy saving device according to claim 1, characterized in that: The bottom of the first shell (12) is closed with an air outlet filter plate (16), the inner wall of the second shell (14) is fixedly connected with a water pipe (18), and the interior of the second shell (14) corresponding to the water pipe (18) is in a conical inclined shape, and the lowest point of the conical inclined shape is correspondingly penetrated and connected with a drainage pipe (19).

3. A central air conditioning energy saving device according to claim 2, characterized in that: The outside of the rotating disk (35) is wrapped with a soft rubber pad, the upper surface of the rotating disk (35) is in contact with the lower surface of the first cover plate (11), and the lower surface of the rotating disk (35) is in contact with the upper surfaces of the positioning frame (21) and the water conduit (18).

4. A central air conditioning energy saving device according to claim 1, characterized in that: The two groups of transmission assemblies (4) are symmetrically installed, and the transmission shafts (44) of the two groups of transmission assemblies (4) are respectively connected to the two ends of the rotating shaft (22), one end of the transmission sleeve (41) of one group away from the rotating shaft (22) is fixedly connected to the fourth conical tooth (34), and the other end of the transmission sleeve (41) of the other group is fixedly connected to the second conical tooth (27), and the wedge-shaped groove is an inclined surface.

5. A central air conditioning energy saving device according to claim 1, characterized in that: The outside of the first inner column (53) is connected to a belt transmission mechanism (55), the other end of the belt transmission mechanism (55) is connected to a second sleeve (56), the inside of the second sleeve (56) is plugged with a second inner column (57), the other end of the second inner column (57) is sleeved with a third sleeve (58), the other end of the third sleeve (58) is sleeved with a third inner column (59), the other end of the third inner column (59) is sleeved with a fourth sleeve (60), the other end of the fourth sleeve (60) is connected to a first steering gear (61), the other working end of the first steering gear (61) is connected to a connecting shaft (62), the other end of the connecting shaft (62) is connected to a second steering gear (63), the other working end of the second steering gear (63) is connected to a transmission rod (64), the top of the transmission rod (64) is fixedly connected to a first bracket (65), the upper surface of the first bracket (65) is fixedly connected to a sponge strip (68), and the outside of the transmission rod (64) is rotatably connected to a second support frame (67).

6. A central air conditioning energy saving device according to claim 5, characterized in that: The sponge strips (68) are provided in two groups, and the two groups of sponge strips (68) are symmetrically distributed, and the two groups of sponge strips (68) are respectively located on the upper and lower sides of the corresponding filter screen (36), and the first support frame (54) and the second support frame (67) are connected to a group of lifting cylinders (69) on the side close to each other, and the output end of each group of the lifting cylinders (69) is respectively connected to the lower surface of the first support frame (54) and the upper surface of the second support frame (67), and the outer wall of the lifting cylinder (69) is connected to the third shell (1 5), the outer walls of the second sleeve (56), the third sleeve (58) and the fourth sleeve (60) are all rotatably connected to the inner wall of the third shell (15) through bearings, the second inner column (57) is cylindrical at a location corresponding to the first support frame (54), and the outer wall of the second inner column (57) is rotatably connected to the first support frame (54) through a ball bearing, and the third inner column (59) is cylindrical at a location corresponding to the second support frame (67), and the outer wall of the third inner column (59) is rotatably connected to the second support frame (67) through a ball bearing.

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