CN214307717U - Distributor and air conditioning equipment - Google Patents
Distributor and air conditioning equipment Download PDFInfo
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- CN214307717U CN214307717U CN202023103082.2U CN202023103082U CN214307717U CN 214307717 U CN214307717 U CN 214307717U CN 202023103082 U CN202023103082 U CN 202023103082U CN 214307717 U CN214307717 U CN 214307717U
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Abstract
The utility model relates to a distributor and air conditioning equipment, this distributor is used for distributing the fluid medium of the double-phase mixture of gas-liquid. The distributor comprises an inflow pipe and a distribution main body, wherein the inflow pipe is provided with an inflow channel, the distribution main body is provided with a distribution cavity, the inflow pipe is installed on the distribution main body, and the inflow channel is communicated with the distribution cavity. The inner wall of the inflow channel and/or the inner wall of the distribution cavity are/is provided with a flow disturbing groove so as to change the flow state of the fluid medium in the inflow channel or the distribution cavity. The fluid medium has a better mixing effect due to the arrangement of the turbulence grooves, the structure of the turbulence grooves is simple, and the processing difficulty of the distributor is greatly reduced. The utility model provides a current distributor has been solved to the distributor difficult problem that satisfies the distribution effect better and the processing degree of difficulty is lower simultaneously.
Description
Technical Field
The utility model relates to a refrigeration technology field especially relates to a distributor and air conditioning equipment.
Background
In the field of refrigeration technology, a distributor is usually installed at the inlet of a heat exchanger for uniformly distributing a fluid medium in a gas-liquid two-phase to each pipe of the heat exchanger. The gas-liquid two-phase fluid medium entering the distributor is influenced by gravity, and the laminar flow condition often occurs, and if the fluid medium is directly distributed, the non-uniform distribution condition of the fluid medium in the distributor is easily caused.
Existing dispensers typically include jack dispensers, venturi dispensers and conical jack dispensers. The jack type distributor is simple in structure, small in processing difficulty and poor in distribution effect. The Venturi type distributor and the conical type distributor have relatively good distribution effects, but are difficult to process and high in production cost.
SUMMERY OF THE UTILITY MODEL
In view of the above, a distributor and an air conditioning apparatus are needed to solve the problem that the existing distributor is difficult to satisfy the requirements of better distribution effect and lower processing difficulty.
The utility model provides a distributor, this distributor are used for distributing the fluid medium of the double-phase mixture of gas-liquid. The distributor comprises an inflow pipe and a distribution main body, wherein the inflow pipe is provided with an inflow channel, the distribution main body is provided with a distribution cavity, the inflow pipe is installed on the distribution main body, and the inflow channel is communicated with the distribution cavity. The inner wall of the inflow channel and/or the inner wall of the distribution cavity are/is provided with a flow disturbing groove so as to change the flow state of the fluid medium in the inflow channel or the distribution cavity.
In an embodiment of the present invention, the inlet pipe is installed at the end of one end of the distribution body and is provided with a necking portion, and the inner diameter of the necking portion is smaller than the inner diameter of the inlet pipe. So arranged, the fluid medium forms turbulent eddies in the inflow channel. The turbulent vortex can further enhance the mixing effect of the gas-liquid two-phase fluid medium, so that the fluid medium is mixed more uniformly.
In an embodiment of the present invention, a turbulent groove is disposed on the inner wall of the throat portion. So set up, further strengthen the mixing effect of the two-phase fluid medium of gas-liquid for fluid medium mixes more evenly.
In an embodiment of the present invention, the necking part is a spinning workpiece. The spinning processing has high processing precision and mature processing technology, and is beneficial to improving the production yield of the distributor.
In an embodiment of the present invention, the turbulent flow groove is spiral. The spiral flow disturbing grooves have a flow guiding effect on the fluid medium, and the fluid medium can flow along the spiral flow disturbing grooves, so that a spiral flow state is formed in the flow inlet channel or the distribution cavity. Thereby further strengthening the mixing effect of the fluid medium of gas-liquid two-phase and making the fluid medium mix more evenly.
In an embodiment of the present invention, the spiral direction of the turbulent flow groove is counterclockwise or clockwise. Due to the effect of the earth's rotation, in the northern hemisphere, the fluid swirls under gravity in a counterclockwise direction. Therefore, the spiral direction of the turbulence grooves is counterclockwise, and the flow guiding direction of the turbulence grooves can be made to coincide with the rotation direction of the fluid medium caused by the rotation of the earth. Thereby strengthening the mixing effect of the fluid medium of gas-liquid two phases and leading the fluid medium to be mixed more evenly. Similarly, in the southern hemisphere, the fluid swirls under gravity in a clockwise direction. Therefore, the spiral direction of the turbulence grooves is set to be clockwise, and the flow guiding direction of the turbulence grooves can be made to coincide with the rotation direction of the fluid medium caused by the rotation of the earth. Thereby strengthening the mixing effect of the fluid medium of gas-liquid two phases and leading the fluid medium to be mixed more evenly.
In an embodiment of the present invention, the turbulent flow groove is annular. The annular turbulent flow groove has a simple structure and is easy to process and manufacture.
In an embodiment of the present invention, the end face of the end of the distribution main body away from the inflow tube is set as a diversion surface, and the diversion surface is provided with a plurality of distribution openings which are uniformly distributed on the diversion surface. Therefore, the fluid medium in the distribution cavity can quickly leave the distribution cavity through the distribution port, and the distribution efficiency of the distributor is improved. At the same time, the dispenser is also made more aesthetically pleasing.
In an embodiment of the present invention, the flow-dividing surface is a plane or a conical surface. The split-flow surface is easy to process and convenient for forming the distribution holes on the plane, so that the processing difficulty of the whole distributor is reduced. The conical surface can enlarge the surface area of the shunting surface and improve the liquid outlet speed of the shunting surface.
In an embodiment of the present invention, the inlet pipe is a corrugated pipe, and the concave portion of the corrugated pipe forms the turbulent flow groove. The corrugated pipe is adopted as the inflow pipe 1, so that the processing cost of the inflow pipe 1 can be greatly reduced, namely, the processing cost of the distributor is reduced.
The utility model also provides an air conditioning equipment, this air conditioning equipment include above arbitrary one embodiment the distributor.
The utility model provides a distributor and air conditioning equipment, the double-phase fluid medium of gas-liquid has just got into the inflow pipe, and at this moment, fluid medium's gaseous state medium and liquid medium mix inhomogeneously. As known from the general knowledge of physics, when a fluid medium flows in an inflow pipe, the fluid medium itself has static pressure energy. Static pressure energy can be interpreted as meaning that a fluid medium intended to pass through a certain cross-section will only enter the system with an amount of energy corresponding to the work required, this amount of energy being referred to as static pressure energy. That is, the fluid medium has a tendency to diffuse away from the inlet flow tube.
In one embodiment, the inner wall of the inflow channel is provided with a turbulence groove to change the flow state of the fluid medium. Due to the turbulent flow grooves, the fluid medium can rapidly diffuse to the turbulent flow grooves in the inflow channel. From the law of thermodynamics, the process of a substance going from a high energy state to a low energy state is spontaneous and the substance gradually changes from ordered to disordered. Therefore, the process of the diffusion of the fluid medium in the turbulent flow groove is disordered, and the process of the fluid medium reentering the inflow channel from the turbulent flow groove is disordered. That is, the fluid medium of gas-liquid two-phase is fully mixed in the turbulent flow groove and the inflow channel.
In another embodiment, the inner wall of the distribution chamber is provided with a turbulence groove to change the flow state of the fluid medium. Due to the presence of the turbulence grooves, the fluid medium in the distribution chamber will rapidly diffuse towards the turbulence grooves. From the law of thermodynamics, the process of a substance going from a high energy state to a low energy state is spontaneous and the substance gradually changes from ordered to disordered. Therefore, the process of diffusion of the fluid medium in the spoiler groove is disordered, and the process of re-entering the distribution cavity from the spoiler groove is disordered. That is, the fluid medium of gas-liquid two-phase is fully mixed in the turbulent flow groove and the distribution cavity.
In other embodiments, the spoiler grooves may also be provided on both the inner wall of the inflow channel and the inner wall of the distribution chamber.
In conclusion, the fluid medium has a better mixing effect due to the arrangement of the turbulence grooves, the structure of the turbulence grooves is simple, and the processing difficulty of the distributor is greatly reduced. Therefore, the utility model provides a current distributor has been solved to the distributor difficult problem that satisfies the distribution effect better and the processing degree of difficulty is lower simultaneously.
Drawings
Fig. 1 is a cross-sectional view of a dispenser according to an embodiment of the present invention;
fig. 2 is a bottom view of a dispenser according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a dispenser according to another embodiment of the present invention;
fig. 4 is a cross-sectional view of a dispenser according to yet another embodiment of the present invention.
Reference numerals: 1. an inlet pipe; 11. an inflow channel; 12. a necking part; 2. a dispensing body; 21. a distribution chamber; 22. a connecting section; 23. an expansion section; 24. a main body section; 25. a flow splitting section; 26. a flow dividing surface; 27. a flow dividing channel; 28. a dispensing opening; 3. a flow disturbing groove.
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 work all belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The utility model provides a distributor, this distributor are used for distributing the fluid medium of the double-phase mixture of gas-liquid. The distributor comprises an inlet flow pipe 1 and a distribution main body 2, wherein the inlet flow pipe 1 is provided with an inlet flow channel 11, the distribution main body 2 is provided with a distribution cavity 21, the inlet flow pipe 1 is installed on the distribution main body 2, and the inlet flow channel 11 is communicated with the distribution cavity 21.
The gas-liquid two-phase fluid medium just enters the inflow pipe 1, and at this time, the gaseous medium and the liquid medium of the fluid medium are not uniformly mixed. As known from the general physical knowledge, when a fluid medium flows in the inflow pipe 1, the fluid medium itself has static pressure energy. Static pressure energy can be interpreted as meaning that a fluid medium intended to pass through a certain cross-section will only enter the system with an amount of energy corresponding to the work required, this amount of energy being referred to as static pressure energy. That is, the fluid medium has a tendency to diffuse away from the inlet flow pipe 1.
In one embodiment, as shown in fig. 1, the inner wall of the inflow channel 11 is provided with a turbulence groove 3 to change the flow state of the fluid medium in the inflow channel 11. Due to the presence of the turbulence grooves 3, the fluid medium in the inlet channel 11 will rapidly diffuse towards the turbulence grooves 3. From the law of thermodynamics, the process of a substance going from a high energy state to a low energy state is spontaneous and the substance gradually changes from ordered to disordered. Therefore, the process of diffusion of the fluid medium in the spoiler groove 3 is disordered, and the process of re-entering the inflow channel 11 from the spoiler groove 3 is disordered. That is, the fluid media of the gas phase and the liquid phase are fully mixed in the turbulent flow groove 3 and the inflow channel 11.
In another embodiment, as shown in fig. 3, the inner wall of the distribution chamber 21 is provided with a turbulence groove 3 to change the flow state of the fluid medium in the distribution chamber 21. Due to the presence of the turbulence grooves 3, the fluid medium will rapidly diffuse towards the turbulence grooves 3 in the distribution chamber 21. From the law of thermodynamics, the process of a substance going from a high energy state to a low energy state is spontaneous and the substance gradually changes from ordered to disordered. Therefore, the process of diffusion of the fluid medium in the spoiler groove 3 is disordered, and the process of re-entering the distribution chamber 21 from the spoiler groove 3 is disordered. That is, the fluid medium of the gas-liquid two-phase is sufficiently mixed in the spoiler groove 3 and the distribution chamber 21.
In other embodiments, the baffle grooves 3 may also be disposed on the inner wall of the inlet channel 11 and the inner wall of the distribution cavity 21, so as to achieve double baffle of the fluid medium, and further enable the gas-liquid two-phase refrigerant to be uniformly mixed.
In conclusion, the fluid medium has a better mixing effect due to the arrangement of the turbulent flow grooves 3, the turbulent flow grooves 3 are simple in structure, and the processing difficulty of the distributor is greatly reduced. Therefore, the utility model provides a current distributor has been solved to the distributor difficult problem that satisfies the distribution effect better and the processing degree of difficulty is lower simultaneously.
Further, the spoiler groove 3 may be formed by machining the spoiler groove 3 on the inner wall of the inflow channel 11 or the inner wall of the distribution chamber 21. The flow disturbing groove 3 can also be obtained by directly extruding the pipe wall of the inflow pipe 1 or the side wall of the distribution main body 2 in an extrusion processing mode by utilizing the ductility of the pipe wall of the inflow pipe 1 or the side wall of the distribution main body 2.
In still another embodiment, as shown in fig. 4, the end of the inlet pipe 1 mounted to one end of the distribution body 2 is provided with a throat portion 12, and the inner diameter of the throat portion 12 is smaller than that of the inlet pipe 1. Since the inner diameter of the choke portion 12 is smaller than that of the inflow pipe 1, the choke portion 12 has a blocking effect on the fluid medium near the inner wall of the inflow pipe 11 during the process that the fluid medium enters the choke portion 12 from the inflow pipe 11. Causing the fluid medium to continuously impact the end of the restriction 12 near the inlet channel 11 and the restriction 12 will impart to the fluid medium a counter force in an axially symmetric relationship to the direction of the force imparted by the fluid medium to the restriction 12. Under the urging of the opposing force, the fluid medium after impacting the throttle portion 12 moves in a direction axially symmetrical to the original direction of movement. At this time, the fluid medium forms a turbulent vortex in the inflow passage 11. The turbulent vortex can further enhance the mixing effect of the gas-liquid two-phase fluid medium, so that the fluid medium is mixed more uniformly.
In one embodiment, as shown in fig. 4, the inner wall of the throat portion 12 is provided with a turbulence groove 3. So set up, further strengthen the mixing effect of the two-phase fluid medium of gas-liquid for fluid medium mixes more evenly.
Preferably, a step is formed between the choke portion 12 and the inlet pipe 1, and a positioning portion is also provided on an inner wall of the distribution main body 2 near one end of the inlet pipe 1, and when the choke portion 12 is inserted into the distribution main body 2, the positioning portion and the step abut against each other, so that pre-positioning between the inlet pipe 1 and the distribution main body 2 is realized, and subsequent welding work is facilitated. Certainly, the inflow pipe 1 and the distribution main body 2 can be in interference fit, and the positioning part and the step are mutually abutted to realize the time positioning of the two.
Further, the throat portion 12 is a spinning work. During spinning, the flow inlet pipe 1 is fixed on a rotating core mold, pressure is applied to the flow inlet pipe 1 by a spinning wheel, the spinning wheel simultaneously carries out axial feeding, and the necking part 12 is obtained after one or more times of processing. The spinning processing has high processing precision and mature processing technology, and is beneficial to improving the production yield of the distributor.
In one embodiment, the turbulence grooves 3 are helical, as shown in fig. 1, 3 and 4. The spiral spoiler grooves 3 have a flow guiding effect on the fluid medium, and the fluid medium flows along the spiral spoiler grooves 3, so that a vortex-shaped flow state is formed in the inflow channel 11 or the distribution cavity 21. Thereby further strengthening the mixing effect of the fluid medium of gas-liquid two-phase and making the fluid medium mix more evenly.
Further, the spiral direction of the spoiler groove 3 is counterclockwise or clockwise. Due to the effect of the earth's rotation, in the northern hemisphere, the fluid swirls under gravity in a counterclockwise direction. Therefore, the spiral direction of the spoiler groove 3 is counterclockwise, and the flow guiding direction of the spoiler groove 3 can be made to coincide with the rotation direction of the fluid medium caused by the rotation of the earth. Thereby strengthening the mixing effect of the fluid medium of gas-liquid two phases and leading the fluid medium to be mixed more evenly. Similarly, in the southern hemisphere, the fluid swirls under gravity in a clockwise direction. Therefore, the spiral direction of the spoiler groove 3 is set clockwise, and the flow guiding direction of the spoiler groove 3 can be made to coincide with the rotation direction of the fluid medium caused by the rotation of the earth. Thereby strengthening the mixing effect of the fluid medium of gas-liquid two phases and leading the fluid medium to be mixed more evenly.
In one embodiment, the spoiler groove 3 has a ring shape. The annular turbulent flow groove 3 has a simple structure and is easy to process and manufacture. However, the shape of the spoiler groove 3 may be other shapes such as an elongated shape, and is not limited herein.
In one embodiment, as shown in fig. 1, 3 and 4, the distribution body 2 comprises a connecting section 22, an expansion section 23, a main body section 24 and a flow dividing section 25 connected in series. One end of the connecting section 22 far away from the expanding section 23 is sleeved at one end of the inflow pipe 1 and is fixedly connected with the inflow pipe 1. The expanding section 23 connects the connecting section 22 and the main body section 24, the main body section 24 has an inner diameter larger than that of the connecting section 22, and the expanding section 23 expands from one end connected to the connecting section 22 to the other end connected to the main body section 24. The main section 24 is connected at its end remote from the expansion section 23 with a flow dividing section 25, the flow dividing section 25 being provided with a plurality of flow dividing channels 27, the fluid medium entering the flow dividing channels 27 from the distribution chamber 21. The end surface of the end of the flow dividing section 25 far away from the main body section 24 is provided with a flow dividing surface 26, the flow dividing surface 26 is provided with a plurality of distribution openings 28, and the distribution openings 28 are distributed on the flow dividing surface 26. The fluid medium enters the distribution cavity 21 of the distribution body 2 from the inlet channel 11 of the inlet flow pipe 1, then enters the diversion channel 27 of the diversion section 25 from the distribution cavity 21, and finally leaves the distributor from the distribution port 28, so that the whole diversion process of the fluid medium is realized.
In one embodiment, as shown in FIG. 2, the plurality of distribution openings 28 are evenly distributed across the flow distribution surface 26. In this way, the fluid medium in the distribution chamber 21 can be rapidly separated from the distribution chamber 21 through the distribution port 28, and the distribution efficiency of the distributor can be improved. At the same time, the dispenser is also made more aesthetically pleasing.
In one embodiment, as shown in FIG. 2, the diverging surfaces 26 are planar or tapered surfaces. The distribution surface 26 which is arranged to be a plane is easy to process, and is convenient for forming distribution holes on the plane, so that the processing difficulty of the whole distributor is reduced. The conical surface can enlarge the surface area of the shunting surface 26 and improve the liquid outlet speed of the shunting surface 26.
In one embodiment, the inlet pipe 1 is a corrugated pipe, and the concave part of the corrugated pipe forms the turbulent flow groove 3. The corrugated pipe is adopted as the inflow pipe 1, so that the processing cost of the inflow pipe 1 can be greatly reduced, namely, the processing cost of the distributor is reduced.
The utility model also provides an air conditioning equipment, this air conditioning equipment include above arbitrary one embodiment the distributor.
The features of the above-described embodiments may be arbitrarily combined, and for the sake of brevity, all possible combinations of the features in the above-described embodiments are not described, but should be construed as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the features.
It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be taken as limiting the present invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.
Claims (10)
1. A distributor is used for distributing a fluid medium mixed by gas phase and liquid phase, and is characterized by comprising a flow inlet pipe (1) and a distribution main body (2), wherein the flow inlet pipe (1) is provided with a flow inlet channel (11), the distribution main body (2) is provided with a distribution cavity (21), the flow inlet pipe (1) is installed on the distribution main body (2), and the flow inlet channel (11) is communicated with the distribution cavity (21); the inner wall of the inflow channel (11) and/or the inner wall of the distribution cavity (21) are/is provided with a flow disturbing groove (3) so as to change the flowing state of fluid media in the inflow channel (11) or the distribution cavity (21).
2. The dispenser according to claim 1, characterized in that the end of the inlet pipe (1) mounted at one end of the dispensing body (2) is provided with a throat (12), and the inner diameter of the throat (12) is smaller than the inner diameter of the inlet pipe (1).
3. Distributor according to claim 2, characterized in that the turbulence groove (3) is provided on the inner wall of the throat (12).
4. Dispenser according to claim 2, wherein the throat (12) is a spin-on work piece.
5. Distributor according to claim 1, characterized in that the turbulence groove (3) is helical.
6. Distributor according to claim 5, characterized in that the spiral direction of the turbulence groove (3) is counter-clockwise or the spiral direction of the turbulence groove (3) is clockwise.
7. Distributor according to claim 1, characterized in that the turbulence groove (3) is ring-shaped.
8. The distributor according to claim 1, wherein an end surface of one end of the distribution body (2) away from the inflow pipe (1) is provided with a distribution surface (26), the distribution surface (26) is provided with a plurality of distribution openings (28), the distribution openings (28) are uniformly distributed on the distribution surface (26), and the distribution surface (26) is a plane surface or a conical surface.
9. Distributor according to claim 1, characterized in that the inflow pipe (1) is a bellows, the recess of which forms the turbulence groove (3).
10. An air conditioning apparatus, characterized in that it comprises a distributor according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023103082.2U CN214307717U (en) | 2020-12-21 | 2020-12-21 | Distributor and air conditioning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023103082.2U CN214307717U (en) | 2020-12-21 | 2020-12-21 | Distributor and air conditioning equipment |
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| Publication Number | Publication Date |
|---|---|
| CN214307717U true CN214307717U (en) | 2021-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023103082.2U Active CN214307717U (en) | 2020-12-21 | 2020-12-21 | Distributor and air conditioning equipment |
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| CN (1) | CN214307717U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114777361A (en) * | 2022-04-22 | 2022-07-22 | 广东欧科空调制冷有限公司 | Automatic adjusting type uniform distribution device |
| 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 |
-
2020
- 2020-12-21 CN CN202023103082.2U patent/CN214307717U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114777361A (en) * | 2022-04-22 | 2022-07-22 | 广东欧科空调制冷有限公司 | Automatic adjusting type uniform distribution device |
| CN114777361B (en) * | 2022-04-22 | 2023-05-30 | 广东欧科空调制冷有限公司 | Automatic regulation formula uniform distribution device |
| 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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