Heat exchanger, air conditioner outdoor unit and air conditioner

Abstract

The invention provides a heat exchanger, an air conditioner outdoor unit and an air conditioner. The heat exchanger comprises a main body, the main body comprises a bearing support and a plurality of heat exchange pieces, the heat exchange pieces are fixed to the radial outer end of the bearing support in the circumferential direction of the bearing support, air passing intervals are formed between the adjacent heat exchange pieces, mounting holes are formed in the radial inner end of the bearing support, and the heat exchange pieces are provided with refrigerant flow channels; the main pipeline movably penetrates through the mounting hole and comprises a first main pipe and a second main pipe; the connecting pipeline comprises a first connecting pipeline and a second connecting pipeline, a first port of the first connecting pipeline is communicated with a second port of the first main pipe through a rotary sealing structure, and a second port of the second connecting pipeline is communicated with a first port of the second main pipe through a rotary sealing structure; a second port of the first connecting pipeline communicates with a first port of the second connecting pipeline through a refrigerant flow channel, the main body and the connecting pipelines are controlled to rotate around the main pipeline together, and ice residues and water drops cannot be attached to the surfaces of the heat exchange pieces under the action of centrifugal force and air beam pressure.

Description

Technical Field

[0001] The present application relates to but is not limited to the technical field of air-conditioning equipment, and specifically refers to a heat exchanger, an air-conditioning outdoor unit and an air conditioner. Background Art

[0002] The existing air conditioner outdoor unit includes a housing, a compressor, a heat exchanger, a fan assembly and an electric control box. The housing has a heat exchange chamber and an installation chamber inside. The installation chamber is located on the right side of the heat exchange chamber, the heat exchanger is located at the rear of the heat exchange chamber, the fan assembly is located at the front of the heat exchange chamber, the compressor is located at the bottom of the installation chamber, and the electric control box is located at the top of the installation chamber.

[0003] When the outdoor unit of this type of air conditioner is in heating operation, the defrosting effect and drainage effect of the heat exchanger are relatively poor, which will reduce the heating operation performance of the outdoor unit of the air conditioner. Summary of the invention

[0004] The embodiment of the present application provides a heat exchanger, comprising: a main body, comprising a bearing bracket and a plurality of heat exchange fins, wherein the plurality of heat exchange fins are sequentially arranged in the circumferential direction of the bearing bracket and are all fixed to the radial outer end of the bearing bracket, and there is an air flow interval between adjacent heat exchange fins, a mounting hole is provided at the radial inner end of the bearing bracket, and the heat exchange fins are provided with a refrigerant flow channel; a main pipe, movably arranged in the mounting hole, and comprising a first main pipe and a second main pipe; a connecting pipe, comprising a first connecting pipe and a second connecting pipe, wherein a first port of the first connecting pipe is connected to a second port of the first main pipe through a rotating sealing structure The second port of the first connecting pipeline is connected with the first port of the refrigerant flow channel, the first port of the second connecting pipeline is connected with the second port of the refrigerant flow channel, the second port of the second connecting pipeline is connected with the first port of the second main pipe through a rotating sealing structure, the main body and the connecting pipeline are configured to rotate around the main pipe together, and the plurality of heat exchange plates are configured to form a wind beam based on the rotation of the main body, which flows from one of the inside and outside of the area enclosed by the plurality of heat exchange plates through the wind pass interval to the other inside and outside of the area enclosed by the plurality of heat exchange plates.

[0005] In some exemplary embodiments, the heat exchanger further includes: a driven wheel, located on one side of the supporting bracket and fixedly connected to the supporting bracket, the main pipeline is also movably passed through the axial hole of the driven wheel, and the driven wheel is configured to drive the main body and the connecting pipeline to rotate around the main pipeline.

[0006] In some exemplary embodiments, the heat exchanger further includes: a second bearing, located between the driven wheel and the supporting bracket, and the driven wheel, the inner ring of the second bearing and the supporting bracket are fixedly connected, and the outer ring of the second bearing is spaced apart from the driven wheel and the supporting bracket.

[0007] In some exemplary embodiments, the main body also includes: an annular first end plate and an annular second end plate, a plurality of the heat exchange plates are located between the first end plate and the second end plate, each of the heat exchange plates has the refrigerant flow channel, the second port of the first connecting pipeline is connected to the first port of all the refrigerant flow channels through the first end plate, and the second ports of all the refrigerant flow channels are connected to the first port of the second connecting pipeline through the second end plate.

[0008] In some exemplary embodiments, the first end plate includes a plurality of diverter grooves arranged in sequence in the circumference of the supporting bracket, and the second end plate includes a plurality of collecting grooves arranged in sequence in the circumference of the supporting bracket; the main body also includes: a plurality of first cover plates, and sealing covers are installed at the notches of the plurality of diverter grooves in a one-to-one manner; and a plurality of second cover plates, and sealing covers are installed at the notches of the plurality of collecting grooves in a one-to-one manner; wherein, the first connecting pipeline and the second connecting pipeline both include a plurality of heat exchange plates arranged in sequence in the circumference of the supporting bracket, and the plurality of heat exchange plates are a plurality of groups arranged in sequence in the circumference of the supporting bracket, and the first ports of the refrigerant flow channels of the plurality of groups of heat exchange plates, the plurality of diverter grooves and the second ports of the plurality of first connecting pipelines are connected in a one-to-one manner, and the second ports of the refrigerant flow channels of the plurality of groups of heat exchange plates, the plurality of collecting grooves and the first ports of the plurality of second connecting pipelines are connected in a one-to-one manner.

[0009] In some exemplary embodiments, the rotary sealing structure includes: a rotating sleeve fixedly inserted into the mounting hole, a first mounting groove being provided at one end of the rotating sleeve and a second mounting groove being provided at the other end, the groove of the first mounting groove and the groove of the second mounting groove being opposite to each other, a first connecting port being provided on the peripheral wall of the first mounting groove, and a second connecting port being provided on the peripheral wall of the second mounting groove, the second port of the first main pipe is movably sealed and inserted into the first mounting groove and communicated with the first connecting port through the first mounting groove, the first connecting port is connected to the first port of the first connecting pipeline, the first port of the second main pipe is movably sealed and inserted into the second mounting groove and communicated with the second connecting port through the second mounting groove, and the second connecting port is connected to the second port of the second connecting pipeline.

[0010] In some exemplary embodiments, the second port of the first main pipe is located on the peripheral wall of the first main pipe, the peripheral wall of the first mounting groove is further provided with a first annular groove, the second port of the first main pipe is communicated with the first connecting port through the first annular groove, the first port of the second main pipe is located on the peripheral wall of the second main pipe, the peripheral wall of the second mounting groove is further provided with a second annular groove, the first port of the second main pipe is communicated with the second connecting port through the second mounting groove; the rotary sealing structure also includes: a first bearing and a sealing member, which are arranged between the first main pipe and the peripheral wall of the first mounting groove and between the second main pipe and the peripheral wall of the second mounting groove; a first end cover, which is sleeved on the first main pipe and covered at the notch of the first mounting groove; and a second end cover, which is sleeved on the second main pipe and covered at the notch of the second mounting groove.

[0011] An embodiment of the present application also provides an air-conditioning outdoor unit, comprising: a heat exchanger as described in any of the above embodiments; a driving mechanism, which is transmission-connected to the main body and is configured to drive the main body and the connecting pipeline to rotate around the main pipeline; and a compressor, whose second port is connected to the first port of the first main pipe.

[0012] In some exemplary embodiments, the air conditioner outdoor unit further includes: a first air guide ring, disposed at one axial end of the area enclosed by the plurality of heat exchange fins; and a second air guide ring, disposed at the other axial end of the area enclosed by the plurality of heat exchange fins.

[0013] In some exemplary embodiments, the air conditioner outdoor unit also includes: a chassis; and a mounting bracket, which is fixed on the chassis, and the outer ring of the second bearing of the heat exchanger is fixedly connected to the mounting bracket, and the compressor is located on the inner side of the area enclosed by the multiple heat exchange plates and is fixedly connected to the mounting bracket.

[0014] In some exemplary embodiments, the air conditioner outdoor unit also includes an electrical control box, a terminal plate and a valve plate assembly, the valve plate assembly includes a valve plate and a first external pipe and a second external pipe arranged on the valve plate, the driving mechanism includes a driving motor and a driving wheel, the driving motor is fixed on the chassis, the driving wheel is installed on the rotating shaft of the driving motor and is drivingly connected to the driven wheel of the heat exchanger, the valve plate is arranged on the chassis, the electrical control box and the terminal plate are located above the driving motor and the valve plate, and the main body separates the electrical control box and the terminal plate and separates the driving motor and the valve plate, the second external pipe is connected to the second main pipe, and the first external pipe is connected to the first port of the compressor.

[0015] An embodiment of the present application also provides an air conditioner, comprising an air conditioner outdoor unit as described in any of the above embodiments.

[0016] The technical solution provided by the embodiment of the present application controls the main body and the connecting pipeline to rotate around the main pipeline together, and the multiple heat exchange plates form a wind beam that flows from one of the inside and outside of the area enclosed by the multiple heat exchange plates through the wind gap to the other inside and outside of the area enclosed by the multiple heat exchange plates. The rotating sealing structure ensures that the second port of the second connecting pipeline and the first port of the second main pipe remain in a sealed connection state when they rotate relative to each other, and the first port of the first connecting pipeline and the second port of the first main pipe remain in a sealed connection state when they rotate relative to each other; ice debris and water droplets on the main body cannot adhere to the surface of the heat exchange plate under the action of centrifugal force and wind beam pressure, so the anti-frost performance and drainage performance of the heat exchanger are better. When the corresponding heat exchanger is used in the air-conditioning outdoor unit for heating operation, the heating operation performance of the air-conditioning outdoor unit is better.

[0017] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the technical solution of the present invention and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the technical solution of the present invention and do not constitute a limitation on the technical solution of the present invention.

[0019] Figure 1 A schematic diagram of the three-dimensional structure of an air conditioner outdoor unit from the front side perspective provided in some embodiments of the present application;

[0020] Figure 2 for Figure 1 A schematic diagram of the three-dimensional structure of the air conditioner outdoor unit from the rear side perspective is shown;

[0021] Figure 3 for Figure 1 A partial structural schematic diagram of an air conditioner outdoor unit is shown, with the housing not being completely shown;

[0022] Figure 4 for Figure 3 A schematic diagram of the main structure of the structure shown;

[0023] Figure 5 for Figure 3 A schematic diagram of the three-dimensional structure of the middle heat exchanger from the front side perspective;

[0024] Figure 6 for Figure 5 A schematic diagram of a partial structure of the heat exchanger shown, wherein the first cover plate is not shown;

[0025] Figure 7 for Figure 3 A schematic diagram of the three-dimensional structure of the middle heat exchanger from the rear side perspective;

[0026] Figure 8 for Figure 7 A schematic diagram of a partial structure of the heat exchanger shown, wherein the second cover plate is not shown;

[0027] Fig. 9 for Figure 3 The schematic diagram of the left-side structural section of the air conditioner outdoor unit is shown;

[0028] Fig.10 for Figure 3 A schematic diagram of the left-side structural section of the middle heat exchanger;

[0029] Fig.11 for Fig.10 Schematic diagram of the enlarged structure of part A in FIG.

[0030] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0031] 100 heat exchanger, 110 body, 111 bearing bracket, 112 heat exchanger, 1121 refrigerant flow channel, 113 air gap, 114 mounting hole, 1151 first end plate, 1152 second end plate, 116 diverter slot, 117 collector slot, 118 first cover plate, 119 second cover plate, 120 main pipe, 121 first main pipe, 122 second main pipe, 130 connecting pipe, 131 first connecting pipe, 132 second connecting pipe, 141 rotating sleeve, 142 first mounting slot, 143 second mounting slot, 144 first Connecting port, 145 second connecting port, 146 first annular groove, 147 second annular groove, 148 first bearing, 149 sealing element, 150 driven wheel, 160 second bearing, 171 first air guide ring, 172 second air guide ring, 181 first end cover, 182 second end cover, 200 driving mechanism, 210 driving motor, 220 driving wheel, 300 compressor, 400 chassis, 500 mounting bracket, 600 housing, 700 electric control box, 800 terminal board, 910 valve plate, 920 first external pipe, 930 second external pipe. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other arbitrarily without conflict.

[0033] The air conditioner outdoor unit provided in the embodiment of the present application is as follows Figures 1 to 11 As shown, it includes: a heat exchanger 100, a driving mechanism 200 and a compressor 300. Figures 3 to 11As shown, the heat exchanger 100 includes: a main body 110, the main body 110 includes a bearing bracket 111 and a plurality of heat exchange fins 112, the plurality of heat exchange fins 112 are sequentially arranged in the circumferential direction of the bearing bracket 111 and are all fixed to the radial outer end of the bearing bracket 111, and there is an air gap 113 between adjacent heat exchange fins 112, a mounting hole 114 is provided at the radial inner end of the bearing bracket 111, and the heat exchange fins 112 are provided with a refrigerant flow channel 1121; a main pipe 120, the main pipe 120 is movably arranged in the mounting hole 114, and includes a first main pipe 121 and a second main pipe 122; a connecting pipe 130, the connecting pipe 130 includes a first connecting pipe 131 and a second connecting pipe 132, and a first port of the first connecting pipe 131 is connected to the second connecting pipe 132. The second port of a main pipe 121 is connected through a rotary seal structure, the second port of the first connecting pipe 131 is connected to the first port of the refrigerant flow channel 1121, the first port of the second connecting pipe 132 is connected to the second port of the refrigerant flow channel 1121, the second port of the second connecting pipe 132 is connected to the first port of the second main pipe 122 through a rotary seal structure, the main body 110 and the connecting pipe 130 are configured to rotate around the main pipe 120 together, and the plurality of heat exchange fins 112 are configured to form a wind beam flowing from one of the inside and outside of the area surrounded by the plurality of heat exchange fins 112 through the wind interval 113 to the other inside and outside of the area surrounded by the plurality of heat exchange fins 112 based on the rotation of the main body 110. The driving mechanism 200 is transmission-connected to the main body 110, and the driving mechanism 200 is configured to drive the main body 110 and the connecting pipe 130 to rotate around the main pipe 120 together; the second port of the compressor 300 is connected to the first port of the first main pipe 121. In the present application, the second port of the compressor 300 is an outlet, and the first port of the compressor 300 is an inlet.

[0034] When the control body 110 and the connecting pipe 130 rotate together around the main pipe 120, the multiple heat exchanger fins 112 form a wind beam that flows from one of the inside and outside of the area enclosed by the multiple heat exchanger fins 112 through the wind interval 113 to the other inside and outside of the area enclosed by the multiple heat exchanger fins 112. The rotary seal structure ensures that the second port of the second connecting pipe 132 and the first port of the second main pipe 122 maintain a sealed connection state when they rotate relative to each other, and the first port of the first connecting pipe 131 and the second port of the first main pipe 121 maintain a sealed connection state when they rotate relative to each other. Ice debris and water droplets on the main body 110 cannot adhere to the surface of the heat exchanger fin 112 under the action of centrifugal force and wind beam pressure, so the anti-frost performance and drainage performance of the heat exchanger 100 are better; when the air conditioner outdoor unit is in heating operation, the air conditioner outdoor unit is less likely to frost, and its heating operation performance is better.

[0035] It may be that a plurality of heat exchanger plates 112 form a wind beam that flows from the inside of the area enclosed by the plurality of heat exchanger plates 112 through the wind gap 113 to the outside of the area enclosed by the plurality of heat exchanger plates 112. In this case, the axial ends of the area enclosed by the plurality of heat exchanger plates 112 are air inlets, and the wind gap 113 is an air outlet; or it may be that a plurality of heat exchanger plates 112 form a wind beam that flows from the outside of the area enclosed by the plurality of heat exchanger plates 112 through the wind gap 113 to the inside of the area enclosed by the plurality of heat exchanger plates 112. In this case, the axial ends of the area enclosed by the plurality of heat exchanger plates 112 are air outlets, and the wind gap 113 is an air inlet; all of the above can achieve the purpose of the present application, and its purpose does not deviate from the design concept of the present invention, and will not be repeated here, and all should fall within the protection scope of the present application.

[0036] In some examples, such as Figures 9 to 11 As shown, the heat exchanger 100 also includes: a driven wheel 150, which is located on one side of the supporting bracket 111 and fixedly connected to the supporting bracket 111, and the main pipeline 120 is also movably arranged through the axial hole of the driven wheel 150, and the driving mechanism 200 is transmission-connected with the driven wheel 150, and the driving mechanism 200 drives the driven wheel 150 to rotate, and the driven wheel 150 drives the main body 110 and the connecting pipeline 130 to rotate around the main pipeline 120.

[0037] Among them, Figure 3 and Figure 4 As shown, the driving mechanism 200 includes a driving motor 210 and a driving wheel 220. The driving wheel 220 is installed on the rotating shaft of the driving motor 210 and is connected to the driven wheel 150. The driving motor 210 drives the driving wheel 220 to rotate, and the driving wheel 220 drives the driven wheel 150 to rotate. The driven wheel 150 drives the main body 110 and the connecting pipeline 130 to rotate around the main pipeline 120.

[0038] The driving wheel 220 may be a driving pulley, the driven wheel 150 may be a driven pulley, and the driving pulley and the driven pulley are connected by a belt; or the driving wheel may be a driving sprocket, the driven wheel may be a driven sprocket, and the driving sprocket and the driven sprocket are connected by a chain, etc.; all of the above can achieve the purpose of the present application, and their purpose does not deviate from the design concept of the present invention, and will not be repeated here, and should all fall within the protection scope of the present application.

[0039] In some examples, such as Figures 7 to 11 As shown, the heat exchanger 100 also includes: a second bearing 160, which is located between the driven wheel 150 and the supporting bracket 111, and the driven wheel 150, the inner ring of the second bearing 160 and the supporting bracket 111 are fixedly connected by bolts or the like, and the outer ring of the second bearing 160 is spaced apart from the driven wheel 150 and the supporting bracket 111.

[0040] Among them, Figure 3, Figure 4 and Fig. 9 As shown, the air conditioner outdoor unit also includes: a chassis 400; and a mounting bracket 500, the mounting bracket 500 is vertically fixed on the chassis 400, the outer ring of the second bearing 160 is fixedly connected to the mounting bracket 500 by bolts, etc., when the driven wheel 150 drives the main body 110 and the connecting pipeline 130 to rotate around the main pipeline 120, the inner ring of the second bearing 160 rotates with the driven wheel 150, and the outer ring of the second bearing 160 is fixed. The compressor 300 is located inside the area surrounded by the multiple heat exchange fins 112 and is fixedly connected to the mounting bracket 500, making full use of the space inside the area surrounded by the multiple heat exchange fins 112, so that the size of the air conditioner outdoor unit is smaller.

[0041] In some examples, such as Figures 5 to 10 As shown, the main body 110 also includes: an annular first end plate 1151 and an annular second end plate 1152, a plurality of heat exchange plates 112 are located between the first end plate 1151 and the second end plate 1152, each heat exchange plate 112 has a refrigerant flow channel 1121, the second port of the first connecting pipeline 131 is connected to the first port of all the refrigerant flow channels 1121 through the first end plate 1151, and the second ports of all the refrigerant flow channels 1121 are connected to the first port of the second connecting pipeline 132 through the second end plate 1152. In this scheme, the refrigerant is more easily and evenly diverted in all the refrigerant flow channels 1121.

[0042] In some embodiments, Figures 5 to 10 As shown, an end plate 1151 includes a plurality of shunt grooves 116 sequentially arranged in the circumferential direction of the bearing bracket 111, and a second end plate 1152 includes a plurality of collecting grooves 117 sequentially arranged in the circumferential direction of the bearing bracket 111; the main body 110 also includes: a plurality of first cover plates 118, the plurality of first cover plates 118 are correspondingly mounted on the notches of the plurality of shunt grooves 116 with sealing covers; and a plurality of second cover plates 119, the plurality of second cover plates 119 are correspondingly mounted on the notches of the plurality of collecting grooves 117 with sealing covers; wherein the first connecting pipeline 131 and the second connecting pipeline 132 both include There are multiple heat exchange plates 112 arranged in sequence in the circumferential direction of the supporting bracket 111, and the first ports of the refrigerant flow channels 1121 of the multiple groups of heat exchange plates 112, the multiple diversion grooves 116 and the second ports of the multiple first connecting pipes 131 are connected one by one, and the second ports of the refrigerant flow channels 1121 of the multiple groups of heat exchange plates 112, the multiple collecting grooves 117 and the first ports of the multiple second connecting pipes 132 are connected one by one, which makes it easier to realize a more uniform diversion of the refrigerant in all the refrigerant flow channels 1121.

[0043] In some examples, such as Figure 3As shown, the air conditioner outdoor unit also includes: a first air guide ring 171, which is arranged at one axial end of the area surrounded by the multiple heat exchange plates 112; and a second air guide ring 172, which is arranged at the other axial end of the area surrounded by the multiple heat exchange plates 112, that is, the multiple first cover plates 118 and the multiple second cover plates 119 are located between the first air guide ring 171 and the second air guide ring 172. At this time, the multiple heat exchange plates 112 form a wind beam that flows from the inside of the area surrounded by the multiple heat exchange plates 112 through the wind interval 113 to the outside of the area surrounded by the multiple heat exchange plates 112. The axial ends of the area surrounded by the multiple heat exchange plates 112 are air inlets, and the wind interval 113 is an air outlet. The first air guide ring 171 and the second air guide ring 172 are used to better guide the wind beam from the axial ends of the area surrounded by the multiple heat exchange plates 112 into the inside of the area surrounded by the multiple heat exchange plates 112. The air conditioner outdoor unit also includes: a housing 600, the housing 600 is mounted on the chassis 400, the top plate, the left plate and the right plate of the housing 600 are provided with air outlets, and the front side plate and the rear side plate of the housing 600 are provided with air inlets, so as to realize multi-faceted air inlet and multi-faceted air outlet. The axis of the heat exchanger 100 is arranged along the front-to-back direction, the first air guide ring 171 is installed at the front end of the heat exchanger 100, and the second air guide ring 172 is installed at the rear end of the heat exchanger 100. The mounting bracket 500 is fixed to the housing 600.

[0044] In some examples, such as Fig.10 and Fig.11 As shown, the rotary seal structure includes: a rotary sleeve 141, the rotary sleeve 141 is inserted into the mounting hole 114, and is fixedly connected to the bearing bracket 111 by means of bolts, etc., a first mounting groove 142 is provided at one axial end of the rotary sleeve 141, and a second mounting groove 143 is provided at the other axial end, the notch of the first mounting groove 142 and the notch of the second mounting groove 143 are opposite to each other, a first connecting port 144 is provided on the peripheral wall of the first mounting groove 142, and a second connecting port 145 is provided on the peripheral wall of the second mounting groove 143, and the second port of the first main pipe 121 is movably sealed and inserted into the first mounting groove 142, and is connected to the first mounting groove 142 through the first mounting groove 142. The first connecting port 144 is connected, and the first connecting port 144 is connected to the first port of the first connecting pipeline 131. The first port of the second main pipe 122 is movably sealed and penetrates into the second mounting groove 143, and is connected to the second connecting port 145 through the second mounting groove 143. The second connecting port 145 is connected to the second port of the second connecting pipeline 132, that is, the part of the rotating sleeve 141 where the first mounting groove 142 is set rotates around the first main pipe 121, and the first main pipe 121 is stationary, and the part of the rotating sleeve 141 where the second mounting groove 143 is set rotates around the second main pipe 122, and the second main pipe 122 is stationary.

[0045] In some embodiments, Fig.10 and Fig.11As shown, the second port of the first main pipe 121 is located on the peripheral wall of the first main pipe 121, the peripheral wall of the first mounting groove 142 (or the peripheral wall of the first main pipe 121) is further provided with a first annular groove 146, and the second port of the first main pipe 121 is connected to the first connecting port 144 through the first annular groove 146, the first port of the second main pipe 122 is located on the peripheral wall of the second main pipe 122, the peripheral wall of the second mounting groove 143 (or the peripheral wall of the second main pipe 122) is provided with a second annular groove 147, and the first port of the second main pipe 122 is connected to the second connecting port 145 through the second annular groove 147.

[0046] In some embodiments, Fig.10 and Fig.11 As shown, the rotary seal structure further includes: a first bearing 148 and a seal 149, the first bearing 148 and the seal 149 are arranged between the first main pipe 121 and the peripheral wall of the first mounting groove 142 and between the second main pipe 122 and the peripheral wall of the second mounting groove 143, the seal 149 seals the gap between the peripheral wall of the first mounting groove 142 adjacent to its notch and the peripheral wall of the first main pipe 121 and the gap between the peripheral wall of the second mounting groove 143 adjacent to its notch and the peripheral wall of the second main pipe 122 to prevent refrigerant leakage, and the seal 149 can be 9 is provided with two sets of wear-resistant sealing rings; a first end cover 181, which is sleeved on the first main pipe 121 and covered at the notch of the first mounting groove 142, and the first end cover 181 prevents the first bearing 148 in the first mounting groove 142 from escaping from the notch of the first mounting groove 142; and a second end cover 182, which is sleeved on the second main pipe 122 and covered at the notch of the second mounting groove 143, and the second end cover 182 prevents the first bearing 148 in the second mounting groove 143 from escaping from the notch of the second mounting groove 143.

[0047] In one embodiment, if Fig.10 and Fig.11 As shown, two first bearings 148 and a seal 149 are provided between the first mounting groove 142 and the first main pipe 121, the seal 149 is located between the two first bearings 148, one first bearing 148 and a seal 149 are located between the second port of the first main pipe 121 and the notch of the first mounting groove 142, and the other first bearing 148 is located between the second port of the first main pipe 121 and the bottom of the first mounting groove 142.

[0048] In one embodiment, if Fig.10 and Fig.11As shown, two first bearings 148 and a seal 149 are provided between the second mounting groove 143 and the second main pipe 122, the seal 149 is located between the two first bearings 148, one first bearing 148 and a seal 149 are located between the first port of the second main pipe 122 and the groove opening of the second mounting groove 143, and the other first bearing 148 is located between the first port of the second main pipe 122 and the groove bottom of the second mounting groove 143.

[0049] In some examples, such as Figure 3 and Figure 4 As shown, the air conditioner outdoor unit also includes an electric control box 700, a terminal plate 800 and a valve plate assembly, the valve plate assembly includes a valve plate 910 and a first external pipe 920 and a second external pipe 930 that penetrate the valve plate 910, the drive motor 210 is fixed on the chassis 400, the valve plate 910 is vertically arranged on the chassis 400, the electric control box 700 and the terminal plate 800 are respectively located above the drive motor 210 and the valve plate 910, the main body 110 separates the electric control box 700 and the terminal plate 800, and the main body 110 also separates the drive motor 210 and the valve plate 910, the second external pipe 930 is connected to the second main pipe 122, and the first external pipe 920 is connected to the first port of the compressor 300. The air conditioner indoor unit is arranged to be connected to the first external pipe 920 and the second external pipe 930.

[0050] The first external pipe 920, the first main pipe 121, the first port of the compressor 300 and the second port of the compressor 300 are connected through a four-way valve, so that the air conditioner having the air conditioner outdoor unit has not only a cooling function but also a heating function. Moreover, under the condition of the same heat exchange area, the volume of the air conditioner outdoor unit can be reduced by more than 10% compared with the volume of the air conditioner outdoor unit provided by the related art.

[0051] The air conditioner (not shown in the figure) provided in the embodiment of the present application includes the air conditioner outdoor unit described in any of the above embodiments.

[0052] This air conditioner has all the advantages of the air conditioner outdoor unit provided by any of the above embodiments, which will not be described in detail here.

[0053] To summarize, the technical solution provided by the embodiment of the present application controls the main body and the connecting pipeline to rotate around the main pipeline together, and multiple heat exchange plates form a wind beam that flows from one of the inside and outside of the area enclosed by the multiple heat exchange plates through the wind gap to the other inside and outside of the area enclosed by the multiple heat exchange plates. The rotating sealing structure ensures that the second port of the second connecting pipeline and the first port of the second main pipe remain in a sealed connection state when they rotate relative to each other, and the first port of the first connecting pipeline and the second port of the first main pipe remain in a sealed connection state when they rotate relative to each other; ice debris and water droplets on the main body cannot adhere to the surface of the heat exchange plate under the action of centrifugal force and wind beam pressure, so the anti-frost performance and drainage performance of the heat exchanger are better, and when the corresponding heat exchanger is used in the air-conditioning outdoor unit for heating operation, the heating operation performance of the air-conditioning outdoor unit is better.

[0054] In the description of the present invention, it should be noted that the terms "upper", "lower", "one side", "the other side", "one end", "the other end", "side", "relative", "four corners", "periphery", "'mouth'-shaped structure" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred structure has a specific orientation, is constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0055] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "connection", "direct connection", "indirect connection", "fixed connection", "installation", and "assembly" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; the terms "installation", "connection", and "fixed connection" can be a direct connection, or an indirect connection through an intermediate medium, or the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0056] Although the embodiments disclosed in the present invention are as above, the contents described are only embodiments adopted to facilitate understanding of the present invention and are not intended to limit the present invention. Any technician in the field to which the present invention belongs can make any modifications and changes in the form and details of implementation without departing from the spirit and scope disclosed in the present invention, but the patent protection scope of the present invention shall still be defined by the attached claims.

Claims

1. A heat exchanger, characterized in that: include: The main body comprises a bearing bracket and a plurality of heat exchange fins, wherein the plurality of heat exchange fins are sequentially arranged in the circumferential direction of the bearing bracket and are all fixed to the radial outer end of the bearing bracket, and there is an air flow interval between adjacent heat exchange fins, a mounting hole is provided at the radial inner end of the bearing bracket, and the heat exchange fins are provided with a refrigerant flow channel; A main pipe, movably arranged in the mounting hole, and comprising a first main pipe and a second main pipe; The connecting pipeline includes a first connecting pipeline and a second connecting pipeline, the first port of the first connecting pipeline is connected to the second port of the first main pipe through a rotating sealing structure, the second port of the first connecting pipeline is connected to the first port of the refrigerant flow channel, the first port of the second connecting pipeline is connected to the second port of the refrigerant flow channel, the second port of the second connecting pipeline is connected to the first port of the second main pipe through a rotating sealing structure, the main body and the connecting pipeline are configured to be able to rotate around the main pipe together, and the multiple heat exchange plates are configured to form a wind beam based on the rotation of the main body, which flows from one of the inside and outside of the area enclosed by the multiple heat exchange plates through the wind gap to the other inside and outside of the area enclosed by the multiple heat exchange plates.

2. The heat exchanger according to claim 1, characterized in that: Also includes: The driven wheel is located at one side of the bearing bracket and fixedly connected to the bearing bracket. The main pipeline is also movably arranged through the shaft hole of the driven wheel, and the driven wheel is configured to drive the main body and the connecting pipeline to rotate around the main pipeline.

3. The heat exchanger according to claim 2, characterized in that: Also includes: The second bearing is located between the driven wheel and the bearing bracket, and the driven wheel, the inner ring of the second bearing and the bearing bracket are fixedly connected, and the outer ring of the second bearing is spaced from the driven wheel and the bearing bracket.

4. The heat exchanger according to claim 1, characterized in that: The subject also includes: An annular first end plate and an annular second end plate, a plurality of heat exchange plates are located between the first end plate and the second end plate, each of the heat exchange plates has the refrigerant flow channel, the second port of the first connecting pipeline is connected with the first port of all the refrigerant flow channels through the first end plate, and the second ports of all the refrigerant flow channels are connected with the first port of the second connecting pipeline through the second end plate.

5. The heat exchanger according to claim 4, characterized in that: The first end plate includes a plurality of flow-dividing grooves sequentially arranged in the circumferential direction of the bearing bracket, and the second end plate includes a plurality of flow-collecting grooves sequentially arranged in the circumferential direction of the bearing bracket; the main body further includes: A plurality of first cover plates, each corresponding to a sealing cover, are mounted at the notches of the plurality of diverter slots; and A plurality of second cover plates, each corresponding to a sealing cover, are mounted at the notches of the plurality of current collecting grooves; Among them, the first connecting pipeline and the second connecting pipeline both include a plurality of heat exchange plates arranged in sequence in the circumferential direction of the supporting bracket, and the plurality of heat exchange plates are a plurality of groups arranged in sequence in the circumferential direction of the supporting bracket, and the first ports of the refrigerant flow channels of the plurality of groups of heat exchange plates, the plurality of diverter grooves and the second ports of the plurality of first connecting pipelines are connected one by one, and the second ports of the refrigerant flow channels of the plurality of groups of heat exchange plates, the plurality of collecting grooves and the first ports of the plurality of second connecting pipelines are connected one by one.

6. The heat exchanger according to any one of claims 1 to 5, characterized in that: The rotary sealing structure comprises: A rotating sleeve is fixedly inserted into the mounting hole, a first mounting groove is provided at one end of the rotating sleeve, and a second mounting groove is provided at the other end, the notch of the first mounting groove and the notch of the second mounting groove are opposite to each other, a first connecting port is provided on the peripheral wall of the first mounting groove, and a second connecting port is provided on the peripheral wall of the second mounting groove, the second port of the first main pipe is movably sealed and inserted into the first mounting groove, and is connected to the first connecting port through the first mounting groove, the first connecting port is connected to the first port of the first connecting pipeline, the first port of the second main pipe is movably sealed and inserted into the second mounting groove, and is connected to the second connecting port through the second mounting groove, and the second connecting port is connected to the second port of the second connecting pipeline.

7. The heat exchanger according to claim 6, characterized in that The second port of the first main pipe is located on the peripheral wall of the first main pipe, the peripheral wall of the first mounting groove is further provided with a first annular groove, the second port of the first main pipe is connected with the first connecting port through the first annular groove, the first port of the second main pipe is located on the peripheral wall of the second main pipe, the peripheral wall of the second mounting groove is further provided with a second annular groove, the first port of the second main pipe is connected with the second connecting port through the second mounting groove; the rotary sealing structure further includes: A first bearing and a sealing member are provided between the first main pipe and the peripheral wall of the first mounting groove and between the second main pipe and the peripheral wall of the second mounting groove; A first end cover, sleeved on the first main pipe and covered at the notch of the first mounting slot; and The second end cover is sleeved on the second main pipe and covers the notch of the second installation groove.

8. An air conditioner outdoor unit, characterized in that: include: The heat exchanger according to any one of claims 1 to 7; A driving mechanism, which is in transmission connection with the main body and is configured to drive the main body and the connecting pipeline to rotate around the main pipeline together; and A compressor has a second port connected to the first port of the first main pipe.

9. The air conditioner outdoor unit according to claim 8, characterized in that: Also includes: A first air guide ring is provided at one axial end of the area surrounded by the plurality of heat exchange fins; and The second air guide ring is arranged at the other axial end of the area surrounded by the plurality of heat exchange plates.

10. The air conditioner outdoor unit according to claim 8, characterized in that: Also includes: Chassis; and The mounting bracket is fixed on the chassis, the outer ring of the second bearing of the heat exchanger is fixedly connected to the mounting bracket, and the compressor is located inside the area surrounded by the plurality of heat exchange plates and is fixedly connected to the mounting bracket.

11. The air conditioner outdoor unit according to claim 10, characterized in that: The air conditioner outdoor unit also includes an electric control box, a terminal plate and a valve plate assembly, the valve plate assembly includes a valve plate and a first external pipe and a second external pipe arranged on the valve plate, the driving mechanism includes a driving motor and a driving wheel, the driving motor is fixed on the chassis, the driving wheel is installed on the rotating shaft of the driving motor and is drivingly connected to the driven wheel of the heat exchanger, the valve plate is arranged on the chassis, the electric control box and the terminal plate are located above the driving motor and the valve plate, and the main body separates the electric control box and the terminal plate and separates the driving motor and the valve plate, the second external pipe is connected to the second main pipe, and the first external pipe is connected to the first port of the compressor.

12. An air conditioner, characterized in that: It comprises an air conditioner outdoor unit as claimed in any one of claims 8 to 11.

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