CN210638122U - Axial fan heat exchanger and split air conditioner using same - Google Patents
Axial fan heat exchanger and split air conditioner using same Download PDFInfo
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- CN210638122U CN210638122U CN201921296257.0U CN201921296257U CN210638122U CN 210638122 U CN210638122 U CN 210638122U CN 201921296257 U CN201921296257 U CN 201921296257U CN 210638122 U CN210638122 U CN 210638122U
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- refrigerant
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- 239000003507 refrigerant Substances 0.000 claims abstract description 56
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 11
- 241000883990 Flabellum Species 0.000 claims abstract 3
- 239000012530 fluid Substances 0.000 claims description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 7
- 239000002184 metal Substances 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 description 4
- 238000003801 milling Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model relates to an axial fan heat exchanger and applied this heat exchanger's split type air conditioner, include around axis pivoted wheel hub, along the flabellum of wheel hub circumference terminal surface equipartition, be equipped with in the flabellum rather than the refrigerant runner that the outline shape is similar and be used for the refrigerant medium circulation, be equipped with in the wheel hub with refrigerant runner intercommunication in order to form refrigerant medium mass circulation loop's circulation groove and a refrigerant medium interface. The utility model has the advantages that the cold medium pipeline is directly arranged inside the fan blade, so that the heat exchanger and the fan blade are combined into a whole, the fan blade is the heat exchanger, the process is simple, and the heat conducting metal consumption is small; in addition, for current off-premises station, the utility model discloses whole volume is less relatively, is convenient for install and transport, and power consumption and cost are less.
Description
Technical Field
The utility model relates to an air conditioning equipment field specifically is an axial fan heat exchanger and applied this heat exchanger's split type air conditioner.
Background
The heat exchangers of all the existing environment heating and refrigerating equipments such as air conditioners, refrigerators and the like adopt electric fans to force airflow to exchange heat through the surfaces of the heat exchangers so as to achieve the purposes of heating and refrigerating, and the electric fans are generally divided into axial flow fans and cross flow fans, wherein the cross flow fans are also called cross flow fans and are commonly used in indoor units of air conditioners. Heat exchangers are also called condensers and evaporators, radiators, etc. The heat exchanger is generally formed by combining a long metal coil (part of which needs to be heated with an auxiliary electric heating tube) after being bent with a plurality of radiating fins through processes of welding, riveting, expanding and the like, and the principle is as follows: the compressed refrigerant medium or the heated or refrigerated liquid medium is conducted to the metal pipeline, the metal pipeline is conducted to the radiating fins, and the radiating fins are conducted to the airflow formed by the fan, so that the heating or refrigerating purpose in a relative environment is achieved. The heat exchange efficiency is substantially determined by the surface area of the metal tubes and fins. However, the disadvantages of complex process, large amount of heat-conducting metal, large overall volume, high energy consumption and high cost are involved.
Disclosure of Invention
In order to solve the technical problem, the utility model provides an axial fan heat exchanger and applied this heat exchanger's split type air conditioner.
The utility model discloses the technical problem that will solve adopts following technical scheme to realize:
an axial flow fan heat exchanger comprises a hub rotating around an axis and fan blades uniformly distributed along the circumferential end face of the hub, wherein a refrigerant flow channel which is similar to the outer contour shape of the fan blades and used for the circulation of refrigerant media is arranged in each fan blade, and a flow through groove and a refrigerant media interface which are communicated with the refrigerant flow channel to form a refrigerant media flow passage loop are arranged in the hub.
In a further improvement of the axial flow fan heat exchanger, the fan blades are made of any one of copper or alloy copper, aluminum or aluminum alloy materials.
As a further improvement of the axial flow fan heat exchanger, the axial flow fan heat exchanger is manufactured by a welding and stamping process or copper pipe casting.
A split air conditioner using axial flow fan heat exchanger comprises an indoor air conditioner and an outdoor air conditioner, wherein the indoor air conditioner comprises a first motor and a cross flow fan heat exchanger, the outdoor air conditioner comprises a compressor, a second motor and an axial flow fan heat exchanger, the compressor, the axial flow fan heat exchanger and the cross flow fan heat exchanger are communicated in sequence to form a cold medium circulating loop, so that cold medium can flow into the indoor air conditioner for heat exchange after being compressed, depressurized and throttled, and then flow into the compressor again.
Furthermore, the axial flow fan heat exchanger is communicated with a first fluid slip ring which is used for enabling the refrigerant medium to flow out of the compressor, pass through the axial flow fan heat exchanger and then flow into the cross flow fan heat exchanger.
Furthermore, the cross flow fan heat exchanger is communicated with a second fluid slip ring which is used for enabling the cold medium to flow out of the axial flow fan heat exchanger, pass through the cross flow fan heat exchanger and then flow into the compressor.
Furthermore, the cross-flow fan heat exchanger comprises a guide plate A end and a guide plate B end which are sequentially distributed, fan blade strips uniformly distributed on the circumference are arranged between the guide plate A end and the guide plate B end, and fan blade strip flow channels for circulation of refrigerant media are arranged inside the fan blade strips.
Furthermore, the fan blade strip flow channels are communicated with each other through the end A of the guide plate and the end B of the guide plate to form a fan blade strip loop through which the refrigerant medium circulates.
Furthermore, a second cooling medium interface used for communicating the fan blade loop with the second fluid slip ring is arranged at the end A of the flow guide plate.
Furthermore, the blade strip flow channel is composed of pore channels radially and uniformly distributed in the blade strip and a flow guide groove communicated with the adjacent pore channels.
The utility model has the advantages that:
the utility model has the advantages that the cold medium pipeline is directly arranged inside the fan blade, so that the heat exchanger and the fan blade are combined into a whole, the fan blade is the heat exchanger, the process is simple, and the heat conducting metal consumption is small; in addition, for current off-premises station, the utility model discloses whole volume is less relatively, is convenient for install and transport, and power consumption and cost are less.
Drawings
The invention will be further described with reference to the following figures and examples:
FIG. 1 is a schematic structural view of a heat exchanger of a middle axial flow fan according to the present invention;
FIG. 2 is a schematic structural view of a split type air conditioner according to the present invention;
FIG. 3 is a schematic end view of the end of the blade at the A-end of the present invention;
FIG. 4 is a schematic end view of the end of the blade at the B-end of the fan blade of the present invention;
FIG. 5 is a schematic sectional view of the end A of the flow guide plate of the present invention;
FIG. 6 is a schematic sectional view of the end B of the flow guide plate of the present invention;
fig. 7 is a schematic structural view of the right side end face of the end a of the middle diversion connection plate of the present invention;
fig. 8 is a schematic view of the left end face structure of the end a of the middle diversion connection plate of the present invention;
fig. 9 is a schematic structural view of a left end face of a B end of the middle diversion connection plate of the present invention;
fig. 10 is a schematic view of the right side end face structure of the middle diversion connection plate B end of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and effects of the present invention easy to understand, the present invention will be further explained with reference to the accompanying drawings and embodiments.
As shown in fig. 1, an axial fan heat exchanger includes a hub 1 having a spindle hole 1a and rotating around an axis, and three fan blades 2 uniformly distributed along a circumferential end surface of the hub 1, where the number of the fan blades 2 in this embodiment is three, and the specific number of the fan blades can be determined according to actual design requirements. Each fan blade 2 is internally provided with a refrigerant flow channel 3 which is in the shape of the outer contour and is used for the circulation of refrigerant media, and the hub 1 is internally provided with a flow channel 4 and a refrigerant medium interface 5 which are communicated with the refrigerant flow channel 3 to form a refrigerant medium flow passage loop; in order to improve the heat exchange efficiency, the fan blade 2 is made of any one of copper or alloy materials with good heat conductivity, aluminum or aluminum alloy materials.
The utility model provides an axial fan heat exchanger is decided according to application scene and fluid dynamics, and accessible welding stamping process makes. The welding and stamping process comprises the following specific steps: an aluminum plate or an aluminum alloy plate is punched into the shape of a fan blade 2 as shown in figure 1, 6 blades are punched, one surface of 3 fan blades 2 is milled into a refrigerant flow channel 3 similar to the outer contour shape of the fan blade 2 through a milling process, and the width and the depth are determined according to design requirements; processing an aluminum bar or an aluminum alloy bar into a hub 1 with a spindle hole 1a, and milling two overflow grooves 4 and two refrigerant interfaces 5 which can be matched and communicated with the ports of the refrigerant flow channels 3 by a milling process; coating solder paste on one surface of the remaining 3 unprocessed fan blades 2, and correspondingly combining the solder paste with the milled surfaces of the 3 processed fan blades 2 one by one to ensure that the edges are aligned; then, coating soldering paste on the circumferential end face of the processed hub 1, and correspondingly and uniformly fixing the fan blades 2 on the circumferential end face of the hub 1 to ensure that the centers are aligned, the overflowing groove 4 is tightly communicated with the port of the refrigerant flow channel 3, and the refrigerant interface 5 is temporarily fixed after being communicated with the refrigerant flow channel 3; placing the temporarily fixed axial flow fan heat exchanger into an atmosphere protection furnace for brazing; removing the temporary binding after discharging, and then putting the blades into a stamping die to stamp out required curved surfaces and angles on the blades; and finally, detecting the on-off and pressure test between the two refrigerant interfaces 5, and putting the refrigerant interfaces into the assembly of the whole machine after no problem exists. There is also a casting process: the copper pipe is bent into the shape of the runner 3 in the attached drawing 1 and is put into a die casting machine to be integrally cast into the shape of the attached drawing 1.
As shown in fig. 2, a split type air conditioner using an axial flow fan heat exchanger includes an indoor air conditioner and an outdoor air conditioner, wherein an arrow a indicates an outdoor air inlet direction, and an arrow b indicates an outdoor air outlet direction; arrow c indicates the indoor air intake direction, and arrow d indicates the indoor air outlet direction.
The outdoor air conditioner comprises an outdoor shell 7, a second motor 8 arranged above the inner side of the outdoor shell 7, an axial flow fan heat exchanger 6 coaxially connected with the second motor 8 through a coupler, and a compressor 9 arranged below the second motor 8, wherein a bearing seat is arranged between the coupler and the axial flow fan heat exchanger 6, and a first fluid slip ring 10 is arranged between the bearing seat and the axial flow fan heat exchanger 6.
The indoor air conditioner comprises an indoor casing 11, a first motor 12 arranged at the right end of the inner side of the indoor casing 11, and a cross-flow fan heat exchanger 13 coaxially connected with the first motor 12 through a coupler, wherein a second fluid slip ring 14 is arranged at the left side of the cross-flow fan heat exchanger 13; the air inlet and outlet of the indoor machine shell 11 are also provided with a volute and a volute tongue, the volute can generate vortex, and the cross-flow fan heat exchanger 13 can send cold air into the room.
As shown in fig. 3 to 10, the cross-flow fan heat exchanger 13 includes a guide plate a end and a guide plate B end that are sequentially distributed, 24 fan blades 131 that are uniformly distributed on the circumference are disposed between the guide plate a end and the guide plate B end, the guide plate a end is composed of a guide outer cover plate a end 132 and a guide connecting plate a end 133 that are connected to each other, and the guide plate B end is composed of a guide connecting plate B end 134 and a guide outer cover plate B end 135 that are connected to each other.
Each of the fan blades 131 is provided therein with a fan blade flow passage for circulation of a refrigerant medium, and as shown in fig. 3 to 4, the fan blade flow passage is formed by five duct passages 131a radially and uniformly distributed in the fan blade 131 and guide grooves 131b which communicate the adjacent duct passages 131a in a left-right alternating manner.
Positioning grooves 136 corresponding to the number and positions of the fan blades 131 are arranged on the right side surface of the end A133 of the flow guide connecting plate and the left side surface of the end B134 of the flow guide connecting plate, and through holes 137 corresponding to the positions of the pore channels 131a are arranged in the positioning grooves 136; the through hole 137 on the end 133 of the diversion connecting plate a is located at the lower part of the positioning groove 136, and the through hole 137 on the end 134 of the diversion connecting plate B is located at the upper part of the positioning groove 136; grooves 138 which are used for communicating every two of the through holes 137 into a group are correspondingly formed in the left side face of the end A133 of the flow guide connecting plate and the right side face of the end B134 of the flow guide connecting plate, two drainage grooves 139 are correspondingly formed in any two adjacent through holes 137 of the end A133 of the flow guide connecting plate, the other end of each drainage groove 139 is located in the middle of the end A133 of the flow guide connecting plate, and two second-number cold medium interfaces 132a corresponding to the end positions of the drainage grooves 139 are formed in the end A132 of the flow guide outer cover plate; the grooves 138 on the A end 133 of the flow guide connecting plate and the grooves 138 on the B end 134 of the flow guide connecting plate are alternately distributed along the circumference; so that the blade channels in the 24 blades 131 are sequentially communicated through the through holes 127 and the grooves 138 to form a blade loop through which the refrigerant medium flows, and the blade loop is communicated with the outside through the drainage groove 139 and the second refrigerant medium interface 132 a.
The first fluid slip ring 10 and the second fluid slip ring 14 are both 2-inlet 2-outlet gas-liquid-electric combined slip rings. The rotor of the first fluid slip ring 10 is fixed on a hub 1 in the axial flow fan heat exchanger 6 through screws, the inlet and the outlet of the rotor are correspondingly connected with the first cold medium interface 5 on the hub 1, and the stator is fixed on a bearing seat through screws; the rotor of the second fluid slip ring 14 is fixed on the end a 132 of the diversion outer cover plate by screws, the inlet and the outlet of the rotor are correspondingly connected with the second cooling medium interface 132a, and the stator is fixed on a bearing seat on the left end surface of the inner side of the indoor casing 11 by screws.
The compressor 9 is provided with a four-way valve 15, and the four-way valve 15 includes a first valve port 15a, a second valve port 15b, a third valve port 15c and a fourth valve port 15 d.
An inlet on a stator in the first fluid slip ring 10 is communicated with a first valve port 15a through a first refrigerant medium pipeline 17, an outlet on the stator is communicated with a second valve port 15b through a second refrigerant medium pipeline 18 and is communicated with an inlet on a stator in the second fluid slip ring 14 through a third valve port 15c, and an expansion valve 16 for reducing pressure and throttling is arranged on the second refrigerant medium pipeline 18 between the third valve port 15c and the inlet on the stator in the second fluid slip ring 14; an outlet on the stator in the second fluid slip ring 14 is communicated with the fourth valve port 15d through a third cold medium pipeline 19.
Through the arrangement, a refrigerant medium is formed to flow into the axial flow fan heat exchanger 6 through the first refrigerant medium pipeline 17 and the inlet of the first fluid slip ring 10 after being compressed by the compressor 9, and after the axial flow fan heat exchanger 6 circulates for one circle, the refrigerant medium flows into the cross flow fan heat exchanger 13 through the outlet of the first fluid slip ring 10, the second refrigerant medium pipeline 18 and the inlet of the second fluid slip ring 14, and when the refrigerant medium passes through the expansion valve 16 on the second refrigerant medium pipeline 18, the refrigerant medium is subjected to pressure reduction and throttling treatment; the refrigerant medium exchanges heat in the cross flow fan heat exchanger 13, and flows into the compressor 9 again through the outlet of the second fluid slip ring 14 and the third refrigerant medium pipeline 19 after heat exchange.
The working principle is as follows:
and (3) a refrigeration process: refrigerant medium is sucked by the compressor 9, is compressed into high-pressure and high-temperature superheated steam, flows into the axial flow fan heat exchanger 6 through the first refrigerant medium pipeline 17 and the first fluid slip ring 10, the second motor 8 drives the axial flow fan heat exchanger 6 to rotate, outdoor air is sucked and flows through the axial flow fan heat exchanger 6, heat of the refrigerant medium in the axial flow fan heat exchanger 6 is taken away, and the high-pressure and high-temperature refrigerant medium steam is condensed into high-pressure liquid; the refrigerant medium is depressurized and cooled by a second refrigerant medium pipeline and an expansion valve 16, flows into a cross flow fan heat exchanger 13, is evaporated, absorbs ambient heat, and simultaneously drives the cross flow fan heat exchanger 13 to rotate by a first motor 12, so that indoor air continuously flows through the cross flow fan heat exchanger 13 for heat exchange, the cooled air after heat release is sent to the indoor, the refrigerant medium after heat exchange is changed into a gas state again, flows into a compressor 9 through a third refrigerant medium pipeline 19, and the process is repeated. Therefore, the indoor air and the outdoor air continuously circulate and flow, and the purpose of reducing the temperature is achieved.
A heating process: as opposed to a refrigeration process.
Compared with the existing air conditioner, the air conditioner has the advantages that on one hand, the noise of a centrifugal fan in the outdoor unit is avoided, on the other hand, the size is reduced, the cost is reduced, and the heat exchange efficiency is improved.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and what is described in the specification are the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and these changes and modifications are intended to fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an axial fan heat exchanger, includes axis pivoted wheel hub (1), along flabellum (2) of wheel hub (1) circumference terminal surface equipartition, its characterized in that: the fan blade (2) is internally provided with a refrigerant flow channel (3) which is similar to the outer contour shape of the fan blade and is used for the circulation of refrigerant media, and the hub (1) is internally provided with a flow passing groove (4) and a refrigerant medium interface (5) which are communicated with the refrigerant flow channel (3) to form a refrigerant medium circulation loop.
2. The axial fan heat exchanger of claim 1, wherein: the fan blade (2) is made of any one of copper or alloy copper, aluminum or aluminum alloy materials.
3. The axial fan heat exchanger of claim 1, wherein: the axial flow fan heat exchanger (6) is manufactured by a welding and stamping process or copper pipe casting.
4. A split type air conditioner to which the axial flow fan heat exchanger according to any one of claims 1 to 3 is applied, including an indoor air conditioner and an outdoor air conditioner, characterized in that: the indoor air conditioner comprises a first motor (12) and a cross-flow fan heat exchanger (13), the outdoor air conditioner comprises a compressor (9), a second motor (8) and an axial-flow fan heat exchanger (6), and the compressor (9), the axial-flow fan heat exchanger (6) and the cross-flow fan heat exchanger (13) are sequentially communicated to form a cold medium circulating loop, so that a cold medium can be compressed, decompressed, throttled, flows into the indoor air conditioner for heat exchange, and then flows into the compressor (9) again.
5. A split type air conditioner according to claim 4, characterized in that: the axial flow fan heat exchanger (6) is communicated with a first fluid slip ring (10) which is used for enabling the refrigerant medium to flow out of the compressor (9), pass through the axial flow fan heat exchanger (6) and then flow into the cross flow fan heat exchanger (13).
6. A split type air conditioner according to claim 4, characterized in that: the cross-flow fan heat exchanger (13) is communicated with a second fluid slip ring (14) which is used for enabling the cold medium to flow out of the axial-flow fan heat exchanger (6), pass through the cross-flow fan heat exchanger (13) and then flow into the compressor (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921296257.0U CN210638122U (en) | 2019-08-09 | 2019-08-09 | Axial fan heat exchanger and split air conditioner using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921296257.0U CN210638122U (en) | 2019-08-09 | 2019-08-09 | Axial fan heat exchanger and split air conditioner using same |
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| Publication Number | Publication Date |
|---|---|
| CN210638122U true CN210638122U (en) | 2020-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921296257.0U Active CN210638122U (en) | 2019-08-09 | 2019-08-09 | Axial fan heat exchanger and split air conditioner using same |
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| CN (1) | CN210638122U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469913A (en) * | 2019-08-09 | 2019-11-19 | 芜湖市泰能电热器具有限公司 | A kind of aerofoil fan heat exchanger and the separate type air conditioner using the heat exchanger |
-
2019
- 2019-08-09 CN CN201921296257.0U patent/CN210638122U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469913A (en) * | 2019-08-09 | 2019-11-19 | 芜湖市泰能电热器具有限公司 | A kind of aerofoil fan heat exchanger and the separate type air conditioner using the heat exchanger |
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