CN210602359U - Flow disturbing device, flow divider assembly and air conditioning unit - Google Patents
Flow disturbing device, flow divider assembly and air conditioning unit Download PDFInfo
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- CN210602359U CN210602359U CN201921618135.9U CN201921618135U CN210602359U CN 210602359 U CN210602359 U CN 210602359U CN 201921618135 U CN201921618135 U CN 201921618135U CN 210602359 U CN210602359 U CN 210602359U
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 55
- 239000012530 fluid Substances 0.000 claims abstract description 35
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 239000003507 refrigerant Substances 0.000 abstract description 53
- 230000000694 effects Effects 0.000 abstract description 7
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 125000004122 cyclic group Chemical group 0.000 abstract description 2
- 238000012546 transfer Methods 0.000 abstract description 2
- 239000007791 liquid phase Substances 0.000 description 22
- 239000012071 phase Substances 0.000 description 22
- 238000000926 separation method Methods 0.000 description 8
- 238000001914 filtration Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005191 phase separation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Abstract
The application provides a vortex device and shunt subassembly and air conditioning unit. The flow disturbing device comprises a pipe body and a spiral flow disturbing body, wherein the front end of the pipe body is used for feeding liquid, and the rear end of the pipe body is used for discharging liquid to the flow divider. The spiral disturbing fluid is fixedly arranged in the pipe body and is used for disturbing the fluid passing through the pipe body to enable the fluid to be in an annular flow pattern. Use the technical scheme of the utility model, before the refrigerant accesss to the shunt, can be earlier through the vortex device, after the refrigerant got into the body, can disturb under fluidic effect spiral and the vortex lets the fluid be cyclic annular flow pattern, let gas-liquid two-phase attitude along circumferencial direction symmetric distribution, provide favorable entry condition for the shunt, improve the reposition of redundant personnel homogeneity, let the evaporimeter reach best heat transfer ability.
Description
Technical Field
The utility model relates to a refrigeration plant technical field particularly, relates to a vortex device and shunt subassembly and air conditioning unit.
Background
In order to ensure good heat exchange capacity of the evaporator, a flow divider is needed to increase the number of refrigerant flow paths. Meanwhile, after the refrigerant passes through the throttling element, flash phase change is caused due to instantaneous pressure change, and the refrigerant in the flow divider assembly is in a gas-liquid two-phase mixed state.
Along with the flowing of two-phase refrigerant in the connecting pipe between the throttling element and the evaporator, the difference of flow velocity between the two phases and the continuous influence and driving of the alternate acting force, the gas-liquid two-phase state of the refrigerant presents unstable asymmetric flow patterns such as laminar flow, wave flow and the like at different sections of the pipeline, and the liquid separation of the flow divider is uneven. When the shunt is installed and inclined, the shunt has intensified liquid distribution unevenness, the anti-interference capability is poor, and the heat exchange of the heat exchanger is influenced.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a vortex device and shunt subassembly and air conditioning unit to solve the uneven technical problem of branch liquid that the shunt exists among the prior art.
An embodiment of the present application provides a flow-disturbing device, including: the front end of the pipe body is used for feeding liquid, and the rear end of the pipe body is used for discharging liquid to the flow divider; the spiral disturbing fluid is fixedly arranged in the pipe body and is used for disturbing the fluid passing through the pipe body to enable the fluid to be in an annular flow pattern.
In one embodiment, the helical turbulator comprises helical turbulator blades distributed along the length of the tube.
In one embodiment, the helical spoiler is provided in plurality, and the plurality of helical spoiler is distributed at intervals.
In one embodiment, the plurality of helical spoilers are equally spaced.
In one embodiment, the helical turbulator fluid further comprises a hollow tube disposed at a center of the tube body along a length direction of the tube body, the plurality of helical turbulator blades being disposed between an outside of the hollow tube and an inside of the tube body.
In one embodiment, the flow perturbation device further comprises: the liquid inlet pipe is connected to the front end of the pipe body and used for feeding liquid; and the liquid outlet pipe is connected to the rear end of the pipe body and used for discharging liquid to the flow divider.
In one embodiment, the diameter of the liquid inlet pipe is smaller than that of the front end of the pipe body, and the liquid inlet pipe is connected with the front end of the pipe body through the first gradually-expanding structure.
In one embodiment, the diameter of the liquid outlet pipe is smaller than that of the rear end of the pipe body, and the liquid outlet pipe is connected with the rear end of the pipe body through a second gradually-expanding structure.
In one embodiment, the flow perturbation device further comprises a filter screen disposed within the tube and upstream of the spiral perturbation fluid.
In one embodiment, the distance from the spiral disturbance fluid 20 to the front end of the pipe 10 is L1, the distance from the spiral disturbance fluid 20 to the rear end of the pipe 10 is L2, L1 is 1/10-1/6 of the length of the pipe 10, and L2 is greater than or equal to 2 mm.
In one embodiment, the length of the spiral-wound fluid 20 is 1/2-4/5 of the length of the tubular body 10.
In one embodiment, the length of the spiral perturbation fluid 20 is 2/3 of the length of the tube 10.
In one embodiment, the helical spoiler blade 21 is rotated by more than 180 ° along the central axis of the pipe body 10.
In one embodiment, the number of the helical spoiler blades 21 is 4 or more.
The application also provides a flow divider assembly, which comprises the flow disturbing device.
The application also provides an air conditioning unit, including the shunt subassembly, the shunt subassembly is foretell shunt subassembly.
In the above embodiment, before the refrigerant enters the flow divider, the refrigerant passes through the flow disturbing device, and after entering the pipe body, the refrigerant is disturbed under the action of the spiral disturbance fluid to make the fluid in an annular flow pattern, so that the gas-liquid two-phase state is symmetrically distributed along the circumferential direction, thereby providing favorable inlet conditions for the flow divider to divide the flow, improving the flow dividing uniformity, and making the evaporator achieve the best heat exchange capacity.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
FIG. 1 is a schematic view of a flow perturbation device according to the present invention applied to a flow splitter;
figure 2 is a schematic longitudinal section of an embodiment of a flow perturbation device according to the present invention;
FIG. 3 is a cross-sectional schematic view of the flow perturbation device of FIG. 2;
FIG. 4 is a schematic perspective view of a spiral spoiler of the spoiler of FIG. 2;
FIG. 5 is a schematic top view of the spiral-perturbed fluid of FIG. 4;
FIG. 6 is a liquid phase distribution diagram after applying a flow perturbation device;
FIG. 7 is a cloud view of a liquid-phase refrigerant distribution applied to the flow divider of the flow-disturbing device of FIG. 1;
fig. 8 is a perspective structure reference view of the flow perturbation device of fig. 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
As shown in fig. 1, 2 and 8, the present invention provides an embodiment of a flow disturbing device, which comprises a tube 10 and a spiral flow disturbing body 20, wherein the front end of the tube 10 is used for feeding liquid, and the rear end of the tube 10 is used for discharging liquid to the flow divider 60. The spiral disturbance fluid 20 is fixedly arranged in the pipe body 10, and the spiral disturbance fluid 20 is used for disturbing the fluid passing through the pipe body 10 to make the fluid in an annular flow pattern.
Use the technical scheme of the utility model, before the refrigerant accesss to the shunt, can be earlier through the vortex device, after the refrigerant got into body 10, can the vortex let the fluid be cyclic annular flow pattern under spiral vortex 20's effect, let the gas-liquid diphase attitude along circumferencial direction symmetric distribution, for the shunt provides favorable entry condition, improve the reposition of redundant personnel homogeneity, let the evaporimeter reach best heat transfer ability.
As a preferred embodiment, as shown in fig. 2, the turbulent flow device further includes a filter screen 50, and the filter screen 50 is disposed in the pipe body 10 and located upstream of the spiral turbulent flow 20. Thus, the filtering net 50 not only can filter impurities, but also can break large bubbles to be more uniformly distributed.
As shown in fig. 2, the turbulent device further includes a liquid inlet pipe 30 and a liquid outlet pipe 40, wherein the liquid inlet pipe 30 is connected to the front end of the pipe body 10 for feeding liquid; the outlet pipe 40 is connected to the rear end of the pipe body 10 for discharging the liquid to the diverter. When in use, the liquid inlet pipe 30 is connected to the refrigerant pipe, and the liquid outlet pipe 40 is connected to the front end of the flow divider.
As a more preferable embodiment, as shown in fig. 2, the diameter of the liquid inlet pipe 30 is smaller than that of the front end of the pipe body 10, and the liquid inlet pipe 30 is connected to the front end of the pipe body 10 by a first diverging structure. Thus, after the two-phase refrigerant enters the tube 10 from the liquid inlet pipe 30, the refrigerant is decelerated and separated in the tube 10 due to the diameter expansion, and the liquid-phase refrigerant expands along the diameter direction of the cavity due to the pressure drop. More preferably, the diameter of the liquid outlet pipe 40 is smaller than that of the rear end of the pipe body 10, and the liquid outlet pipe 40 is connected with the rear end of the pipe body 10 through a second gradually expanding structure. Thus, the liquid outlet pipe 40 is connected with the refrigerant pipeline with normal pipe diameter.
As shown in fig. 3 and 4, the spiral spoiler 20 includes spiral spoiler blades 21 distributed along the length direction of the tube 10, and when in use, the spiral spoiler 20 generates a sufficient centrifugal force on the refrigerant to help the liquid-phase refrigerant to be uniformly distributed along the inner wall surface of the tube 10. More preferably, in the technical solution of the present application, the number of the spiral spoiler blades 21 is 4, and the 4 spiral spoiler blades 21 are distributed at intervals. The plurality of spiral spoiler blades 21 may form a plurality of rotating passages to provide a sufficient centrifugal force to the refrigerant, thereby helping the liquid-phase refrigerant to be uniformly distributed along the inner wall surface of the pipe body 10. More preferably, the plurality of helical spoiler blades 21 are distributed at equal intervals to further realize the symmetric distribution of the gas-liquid two-phase state along the circumferential direction.
As other optional embodiments, the number of the spiral spoiler blades 21 may also be less than 4 or may be more than 4, the increase in the number of the spiral spoiler blades 21 is more helpful for the liquid-phase refrigerant to be uniformly distributed along the inner wall surface of the pipe body 10, but may also increase the corresponding resistance, and the actual number of the spiral spoiler blades 21 needs to be designed according to actual needs.
As shown in fig. 3, as a more preferred embodiment, the helical spoiler 20 further includes a hollow tube 22, the hollow tube 22 is disposed at the center of the tube 10 in the length direction of the tube 10, and a plurality of helical spoiler blades 21 are disposed between the outside of the hollow tube 22 and the inside of the tube 10. The presence of the hollow tube 22 keeps the flow area constant without significant throttling, effectively controlling the pressure drop.
Specifically, in the preferred embodiment, the gas-liquid two-phase refrigerant first passes through the filtering net 50 to filter impurities, and the filtering net 50 breaks up the large bubbles. The two-phase refrigerant enters the tube body 10 from the liquid inlet pipe 30, the refrigerant is decelerated and separated in the tube body 10 due to diameter expansion, and the liquid-phase refrigerant expands along the diameter direction of the tube body 10 due to pressure drop. On the basis, the two-phase refrigerant enters the plurality of rotary channels of the premixing element and the hollow tube 22 in the middle. The presence of the hollow tube 22 keeps the flow area constant without significant throttling, effectively controlling the pressure drop. The plurality of rotary passages provide sufficient centrifugal force to the refrigerant, and help the liquid-phase refrigerant to be uniformly distributed along the inner wall surface of the pipe body 10. In addition, because the liquid-phase refrigerant has high viscosity, a certain wall attachment effect is generated in the flowing process, the liquid-phase refrigerant is continuously spread along the cross section of the flow passage, the liquid-phase refrigerant is uniformly distributed along the circumferential direction, finally, the liquid-phase refrigerant flows out of the flow disturbing device in a form similar to annular flow and enters the flow divider, and secondary separation and final flow division of two-phase refrigerants are realized in the flow divider. Therefore, the utility model discloses a vortex device not only can be with the effective filtering of impurity in the refrigerant, still can follow the circumferencial direction symmetric distribution with the double-phase refrigerant of incoming flow, provides one of low reaches shunt and does benefit to the even double-phase distribution state of reposition of redundant personnel.
As shown in fig. 1, the flow perturbation device is installed at the upstream of the flow splitter, and the distance between the flow perturbation device and the flow splitter is as short as possible, and the maximum distance does not exceed 5 cm. And the connecting pipe between the flow disturbing device and the flow divider is a straight pipe, and an elbow part does not exist. Under the installation condition, the gas-liquid two-phase refrigerant can be ensured to continuously pass through the turbulence device and the flow divider, and an ideal liquid dividing effect is realized. It should be noted that the flow-disturbing device of the present invention can be used for both the flow divider and the independent use.
As shown in fig. 3, in the solution of this embodiment, the spiral spoiler 20 includes 4 spiral spoiler blades 21, which divide the cavity inside the pipe 10 into A, B, C, D four parts. The two-phase refrigerant can flow through the A-D and the five-part channels of the hollow pipe 22 respectively, and finally the liquid-phase refrigerant is uniformly and symmetrically distributed along the circumferential direction by means of centrifugal force and wall attachment effect of viscous fluid. As other optional embodiments, in order to ensure the liquid separation effect of air conditioners with different refrigerating capacities, the number of the rotating blades is selected within the range of 3-10 according to the volume of the filter and the pipe diameter of the hollow pipe of the phase separation internal part.
As shown in fig. 4, 4 spiral spoiler blades 21 are distributed on the tube body 10, 1-1, 1-2, 1-3, 1-4 are inlet ends of the four spiral spoiler blades 21, respectively, and 2-1, 2-2, 2-3, 2-4 are outlet ends of the four spiral spoiler blades 21. Taking one of the spiral spoiler blades 21 as an example, the inlet end 1-1 extends along the axis of the hollow tube 22 toward the outlet of the filter, and rotates about the axis of the hollow tube as a rotation axis. As shown in FIG. 5, the angle a between the inlet end face and the outlet end face of any one of the vanes can be any value within 0-360 degrees by using the inlet end face or the outlet end face as a projection plane. But at least guarantee that through adjusting the pitch, can make the rotation angle of spiral spoiler blade 21 entrance end, for example 1-1, along the hollow tube axis be at 180 degrees and above, it should be noted that the rotation angle of spiral spoiler blade 21 along the hollow tube axis refers to the angle that the exit terminal surface of spiral spoiler blade 21 rotated relative to the entry end of spiral spoiler blade 21. When the novel spiral flow-disturbing blade is used, spiral flow-disturbing blades 21 with different structural sizes can be matched according to actual needs to form a reinforced separation internal rotation flow channel, internal parts and filter screens are reasonably selected and combined according to cold quantity, liquid-separating uniformity of flow dividers of different machine types is improved, and application range is enlarged.
As shown in fig. 2, the length of the spiral disturbance fluid 20 is controlled to about 2/3, which is the length of the pipe 10, the distance L1 from the rear end of the pipe 10 is 1/10-1/6, which is the length of the pipe 10, the distance L2 between the spiral disturbance fluid 20 and the filter screen 50 is controlled to be 2mm or more, and the shape of the filter screen 50 is not limited. The length-diameter ratio of the filter cavity is not more than 4.
In the above preferred embodiment, a liquid-phase refrigerant distribution cloud of the flow disturbing device applied to the flow divider is shown in fig. 7, and simulation data are shown in the following table:
shunt liquid separation data after filter installation:
flow divider liquid separation data when no filter is installed:
the standard deviation can effectively reflect the distribution uniformity of liquid-phase refrigerants at the outlet of the flow divider, and the standard deviation of the liquid-phase mass flow of the novel filter is reduced from 0.006408 to 0.001673 and reduced by 73.44 percent.
As shown in fig. 6, the solid line area represents the mass flow distribution of the liquid-phase refrigerant in the 7 outlet distribution capillaries of the flow splitter after the flow perturbation device is installed, and the dotted line area represents the liquid-phase refrigerant distribution when the flow perturbation device is not installed. It can be seen that the distribution uniformity of the liquid-phase refrigerant in the 7-way flow dividing capillary is obviously improved after the flow disturbing device is installed.
According to the above, the utility model discloses a vortex device possesses profitable phase separation function, and when the two-phase refrigerant of gas-liquid flowed through the vortex device, the vortex device not only can be with the effective filtering of impurity in the refrigerant, still can follow the circumferencial direction symmetric distribution with the two-phase refrigerant of incoming flow, provides one and does benefit to the even two-phase distribution state of reposition of redundant personnel for low reaches shunt, and refrigerant rethread shunt this moment then can further realize the phase separation and divide the liquid, finally reaches the branch liquid effect of ideal.
The utility model also provides a shunt subassembly, this shunt subassembly includes foretell vortex device. By adopting the flow disturbing device, the flow disturbing device can be arranged at the upstream of the flow divider assembly, and the flow disturbing device can also be arranged as a component of the flow divider assembly. The flow disturbing device can realize effective separation of gas phase and liquid phase along the radius direction, so that the liquid phase refrigerant presents a symmetrical annular flow pattern, thereby reducing the requirements on the structural design and the processing precision of the flow divider. The combination of the turbulence device and the flow divider realizes the reinforced separation and the symmetrical distribution along the circumferential direction of the two-phase refrigerant before entering the evaporator, and finally the mass flow of the liquid-phase refrigerant entering each branch of the evaporator is approximately equal.
The utility model also provides an air conditioning unit, this air conditioning unit include foretell shunt subassembly. By adopting the technical scheme, the turbulence device is arranged at the upper stream of the flow divider assembly on the basis of the existing flow divider assembly of the evaporator, the gas-liquid two-phase refrigerant flow pattern at the upper stream of the evaporator is reset, the symmetrically distributed annular flow pattern is formed, the liquid distribution uniformity and stability of the flow divider assembly at the lower stream are greatly improved, and the energy efficiency of the evaporator and the energy efficiency of an air conditioning unit are further improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (16)
1. A flow perturbation device, comprising:
the liquid inlet pipe comprises a pipe body (10), wherein the front end of the pipe body (10) is used for feeding liquid, and the rear end of the pipe body (10) is used for discharging liquid to a flow divider (60);
the spiral disturbing fluid (20) is fixedly arranged in the pipe body (10), and the spiral disturbing fluid (20) is used for disturbing the fluid passing through the pipe body (10) to enable the fluid to be in an annular flow pattern.
2. A flow perturbation device according to claim 1, characterised in that the helical perturbation fluid (20) comprises helical perturbation blades (21) distributed along the length of the tube (10).
3. A flow perturbation device according to claim 2 characterised in that the number of helical flow perturbation blades (21) is plural, the plural helical flow perturbation blades (21) being distributed at intervals.
4. A flow perturbation device according to claim 3, characterised in that a plurality of said helical flow perturbation blades (21) are equally spaced.
5. A flow perturbation device according to claim 3, characterised in that the helical perturbation fluid (20) further comprises a hollow tube (22), the hollow tube (22) being arranged at the centre of the tube (10) in the length direction of the tube (10), the plurality of helical perturbation blades (21) being arranged between the outside of the hollow tube (22) and the inside of the tube (10).
6. The flow perturbation device of claim 1, further comprising:
the liquid inlet pipe (30) is connected to the front end of the pipe body (10) and used for feeding liquid;
the liquid outlet pipe (40) is connected to the rear end of the pipe body (10) and used for discharging liquid to the flow divider.
7. Flow perturbation device according to claim 6, characterised in that the diameter of said inlet pipe (30) is smaller than the diameter of the front end of the tubular body (10), said inlet pipe (30) being connected to the front end of the tubular body (10) by means of a first divergent structure.
8. Flow perturbation device according to claim 6, characterised in that the diameter of the outlet pipe (40) is smaller than the diameter of the rear end of the tube (10), the outlet pipe (40) being connected to the rear end of the tube (10) by a second divergent structure.
9. Flow perturbation device according to claim 1, further comprising a filter screen (50), the filter screen (50) being arranged inside the tube (10) and upstream of the spiral perturbation fluid (20).
10. The flow perturbation device of claim 9, wherein the spiral perturbation fluid (20) is at a distance L1 from the front end of the tube (10), the spiral perturbation fluid (20) is at a distance L2 from the rear end of the tube (10), the L1 is 1/10-1/6 of the length of the tube (10), and the L2 is greater than or equal to 2 mm.
11. Flow perturbation device according to claim 1, characterised in that the length of the helical perturbation fluid (20) is 1/2-4/5 of the length of the tube (10).
12. Flow perturbation device according to claim 11, characterised in that the length of the helical perturbation fluid (20) is 2/3 times the length of the tube (10).
13. A flow perturbation device as claimed in claim 2, characterised in that the rotation angle of the helical spoiler blade (21) along the central axis of the tubular body (10) is above 180 °.
14. A flow perturbation device as claimed in claim 3, characterised in that the number of helical flow perturbation blades (21) is equal to or greater than 4.
15. A flow splitter assembly comprising a flow perturbation device as claimed in any one of claims 1 to 14.
16. An air conditioning assembly including a diverter assembly, wherein the diverter assembly is the diverter assembly of claim 15.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921618135.9U CN210602359U (en) | 2019-09-26 | 2019-09-26 | Flow disturbing device, flow divider assembly and air conditioning unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921618135.9U CN210602359U (en) | 2019-09-26 | 2019-09-26 | Flow disturbing device, flow divider assembly and air conditioning unit |
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| CN210602359U true CN210602359U (en) | 2020-05-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530071A (en) * | 2019-09-26 | 2019-12-03 | 珠海格力电器股份有限公司 | Flow disturbing device, flow divider assembly and air conditioning unit |
| CN112066606A (en) * | 2020-09-10 | 2020-12-11 | 珠海格力电器股份有限公司 | Divide liquid structure and air conditioner that liquid efficiency is high |
-
2019
- 2019-09-26 CN CN201921618135.9U patent/CN210602359U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530071A (en) * | 2019-09-26 | 2019-12-03 | 珠海格力电器股份有限公司 | Flow disturbing device, flow divider assembly and air conditioning unit |
| CN110530071B (en) * | 2019-09-26 | 2024-09-24 | 珠海格力电器股份有限公司 | Turbulent flow device, flow divider assembly and air conditioning unit |
| CN112066606A (en) * | 2020-09-10 | 2020-12-11 | 珠海格力电器股份有限公司 | Divide liquid structure and air conditioner that liquid efficiency is high |
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