CN210399595U - Air conditioner of shunt and applied this shunt - Google Patents
Air conditioner of shunt and applied this shunt Download PDFInfo
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- CN210399595U CN210399595U CN201921276349.2U CN201921276349U CN210399595U CN 210399595 U CN210399595 U CN 210399595U CN 201921276349 U CN201921276349 U CN 201921276349U CN 210399595 U CN210399595 U CN 210399595U
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- flow
- shunt
- seat
- throttling
- end cover
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- 239000012530 fluid Substances 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 abstract description 17
- 239000003507 refrigerant Substances 0.000 abstract description 14
- 239000000203 mixture Substances 0.000 description 8
- 238000004378 air conditioning Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
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Abstract
The utility model provides a shunt and air conditioner using the shunt, the shunt comprises a shunt seat and an end cover, one end of the shunt seat is an open end of the shunt seat, the other end of the shunt seat is provided with a plurality of throttling channels, and each throttling channel is internally provided with a throttling valve; the flow dividing device is characterized in that a fluid inlet is formed in one end of the end cover, the other end of the end cover is an end cover open end, the end cover open end is sleeved in the shunt seat open end, a flow dividing cavity is formed between the shunt seat and the end cover, and the fluid inlet, the flow dividing cavity and the throttling channel are sequentially communicated. The utility model provides a uniformity be difficult to the technological problem who guarantees when refrigerant mixes during homogeneity and distribution, and reduced the liquid stream noise.
Description
Technical Field
The utility model belongs to the technical field of air conditioning equipment technique and specifically relates to an air conditioner of shunt and applied this shunt is related to.
Background
The traditional air conditioner flow divider structure consists of a flow dividing seat and an end cover, and a gas-liquid two-phase refrigerant flowing out after being throttled by an expansion valve is distributed into each path of coil pipe through the flow divider. In air conditioning equipment, a heat exchanger composed of a plurality of heat exchange units is widely adopted to improve the heat exchange capacity of the heat exchanger to the maximum extent, and one of the key technologies is to uniformly distribute a gas-liquid two-phase mixture of a refrigerant to each heat exchange unit. To achieve the purpose, chinese patent CN201187922Y discloses a throttling hydrocyclone diverter, but it has the disadvantages of difficult processing of spiral groove of hydrocyclone nozzle, high production cost and difficult guarantee of consistency of diversion. And chinese patent CN108050736A discloses a flow divider, which solves some problems of the above patent CN201187922Y, but still has the disadvantages that the uniformity of gas-liquid mixing and the uniformity of distribution are difficult to ensure, and the two flow dividers have the main defect that the air-conditioning refrigerant is in gas-liquid two phases in the flow divider and the flowing state thereof has important influence on noise and flow dividing performance. The refrigerant is a gas-liquid mixture, and the flow is more complicated than that of single-phase gas or single-phase liquid; meanwhile, under the influence of conditions such as gravity, dryness, speed and the like, gas-liquid two phases present different flowing states, the distribution performance of the existing flow divider technology to gas-liquid two-phase flow is poor, and noise is easy to generate.
SUMMERY OF THE UTILITY MODEL
The utility model provides a uniformity is difficult to the technological problem who guarantees when having solved refrigerant mixture uniformity and distribution, and has reduced the liquid stream noise.
The technical scheme of the utility model is realized like this: a flow divider comprises a flow dividing seat and an end cover, wherein one end of the flow dividing seat is an open end of the flow dividing seat, the other end of the flow dividing seat is provided with a plurality of throttling channels, and a throttling valve is arranged in each throttling channel; the flow dividing device is characterized in that a fluid inlet is formed in one end of the end cover, the other end of the end cover is an end cover open end, the end cover open end is sleeved in the shunt seat open end, a flow dividing cavity is formed between the shunt seat and the end cover, and the fluid inlet, the flow dividing cavity and the throttling channel are sequentially communicated.
As a preferential technical scheme, an annular step is arranged in the open end of the shunting seat, and the open end of the end cover is abutted against the annular step.
As a preferred solution, the valve opening Q of the throttle valven＝CAn(2△P/ρn)0.5Where C is a constant, An represents the flow area, and △ P is the pressure differential.
As a preferred technical solution, the inner diameter of the throttle valve gradually decreases from one end portion to the middle portion, and then gradually increases from the middle portion to the other end portion.
As a preferred aspect, the inner diameter of the throttle passage is greater than or equal to the inner diameter of the throttle valve.
As a preferential technical scheme, a plurality of throttling channels are uniformly distributed along the axis of the flow distribution seat.
As a preferential technical scheme, a shunting guide part is arranged at the axle center in the shunting seat.
As a preferred solution, the flow dividing guide is a cone.
The utility model discloses a another technical scheme is realized like this: the air conditioner comprises an evaporator and the shunt, wherein each branch capillary of the shunt is connected with the evaporator respectively.
By adopting the technical scheme, the beneficial effects of the utility model are that: the throttled refrigerant is a gas-liquid two-phase mixture which enters the flow divider and is distributed to each path of coil pipe through the flow divider, the gas-liquid two-phase mixture is fully mixed in the flow dividing cavity, and then the mixture enters the respective throttling channel and achieves the uniformity of liquid division through the corresponding throttling valve. Due to the arrangement of the diversion cavity, fluid noise caused by the flowing of the refrigerant in the air conditioning system is reduced. In a word, the flow divider improves the mixing uniformity, distribution uniformity and stability of the air-conditioning refrigerant gas-liquid mixture, improves the efficiency of the heat exchanger and reduces the fluctuation of the air-conditioning performance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a bottom view of FIG. 1;
FIG. 3 is a cross-sectional view of FIG. 2;
fig. 4 is an exploded view of fig. 1.
Wherein: 1. a shunt seat; 2. an end cap; 3. the open end of the shunt seat; 4. a throttling channel; 5. a throttle valve; 6. a fluid inlet; 7. an open end of the end cap; 8. a shunting cavity; 9. an annular step; 10. a flow dividing guide part.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-4, a flow divider comprises a flow dividing base 1 and an end cover 2, wherein one end of the flow dividing base 1 is an open end 3 of the flow dividing base, the other end of the flow dividing base 1 is provided with a plurality of throttling channels 4, and a throttling valve 5 is arranged in each throttling channel 4; one end of the end cover 2 is provided with a fluid inlet 6, the other end of the end cover 2 is an end cover open end 7, the end cover open end 7 is sleeved in the shunt seat open end 3, a shunt cavity 8 is formed between the shunt seat 1 and the end cover 2, and the fluid inlet 6, the shunt cavity 8 and the throttling channel 4 are sequentially communicated. An annular step 9 is arranged in the open end 3 of the shunt seat, and the open end 7 of the end cover is abutted against the annular step 9.
As shown in fig. 3, the throttle valve 5 has an inner diameter gradually decreasing from one end portion to the middle portion and then gradually increasing from the middle portion to the other end portion, which also has an effect of reducing fluid noise. The inner diameter of the throttle passage 4 is larger than or equal to the inner diameter of the throttle valve 5.
As shown in fig. 2, a plurality of throttling channels 4 are uniformly distributed along the axial center of the flow dividing base 1. The throttling channel 4 is at least two paths, five paths are arranged in the throttling channel 4 in the embodiment, and all branches are uniformly distributed in the circumferential direction and are used for meeting various flow path requirements of the heat exchanger. A shunting guide part 10 is arranged at the axis in the shunting seat 1, and the preferential shunting guide part 10 is a cone, so that the device has an auxiliary effect on the distribution uniformity and stability of a gas-liquid two-phase mixture.
In addition, the present embodiment further includes an air conditioner (not shown), which includes an evaporator (not shown), and includes the above-mentioned splitter, and each branch capillary of the splitter is connected to the evaporator respectively.
The working principle of the air conditioner refrigerant flowing through the flow divider is as follows: the air conditioner refrigerant enters from a fluid inlet 6, is usually in a gas-liquid two-phase state, and due to the installation angle, the structural characteristics of the flow divider and the like, the air conditioner refrigerant is unevenly distributed when entering the evaporator, and the throttling passages of the flow divider all contain a throttling valve 5, after the throttling valve 5 feeds back the refrigerant distribution quantity in the subsequent evaporator, the self opening degree is timely adjusted, and the feedback is based on: qn＝CAn(2△P/ρn)0.5Wherein C is a constant, An represents the flow area, △ P is a pressure difference (the pressure can be tested by a pressure sensor), whether the quantity of the refrigerant flowing through each flow path of the evaporator is uniform can be judged according to the pressure difference of the inlet and the outlet of the evaporator, if not, the opening of the throttle valve 5 is adjusted at any time, which is beneficial to uniform liquid distribution, the performance of the whole machine is improved, and the noise is reduced.
The utility model discloses can improve the reposition of redundant personnel homogeneity of shunt effectively, reduce the influence of gravity, improve the stability of reposition of redundant personnel, improve heat exchanger efficiency, reduce air conditioner performance fluctuation.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A flow divider comprises a flow dividing seat and an end cover, and is characterized in that one end of the flow dividing seat is an open end of the flow dividing seat, the other end of the flow dividing seat is provided with a plurality of throttling channels, and a throttling valve is arranged in each throttling channel; the flow dividing device is characterized in that a fluid inlet is formed in one end of the end cover, the other end of the end cover is an end cover open end, the end cover open end is sleeved in the shunt seat open end, a flow dividing cavity is formed between the shunt seat and the end cover, and the fluid inlet, the flow dividing cavity and the throttling channel are sequentially communicated.
2. The flow diverter of claim 1, wherein an annular step is provided in the open end of the diverter base, the open end of the end cap abutting the annular step.
3. The flow divider of claim 1, wherein the throttle valve has a valve opening Qn＝CAn(2△P/ρn)0.5Where C is a constant, An represents the flow area, and △ P is the pressure differential.
4. The flow diverter of claim 1, wherein the restriction tapers in inner diameter from one end portion to a middle portion and increases in inner diameter from the middle portion to the other end portion.
5. The flow diverter of claim 4, wherein an inner diameter of the throttling channel is greater than or equal to an inner diameter of the throttling valve.
6. The flow divider of claim 1, wherein a plurality of said throttling passages are disposed uniformly along the axial center of said flow divider seat.
7. The flow diverter of claim 6, wherein a flow diverter guide is positioned in the flow diverter housing at the axial center.
8. The shunt of claim 7, wherein the shunt guide is conical.
9. An air conditioner comprising an evaporator, further comprising a flow divider according to any one of claims 1 to 8, wherein each branch capillary of the flow divider is connected to the evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921276349.2U CN210399595U (en) | 2019-08-08 | 2019-08-08 | Air conditioner of shunt and applied this shunt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921276349.2U CN210399595U (en) | 2019-08-08 | 2019-08-08 | Air conditioner of shunt and applied this shunt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210399595U true CN210399595U (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921276349.2U Active CN210399595U (en) | 2019-08-08 | 2019-08-08 | Air conditioner of shunt and applied this shunt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210399595U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024078176A1 (en) * | 2022-10-13 | 2024-04-18 | 浙江盾安人工环境股份有限公司 | Pipeline connecting structure and air conditioning system |
-
2019
- 2019-08-08 CN CN201921276349.2U patent/CN210399595U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024078176A1 (en) * | 2022-10-13 | 2024-04-18 | 浙江盾安人工环境股份有限公司 | Pipeline connecting structure and air conditioning system |
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| GR01 | Patent grant |