CN210718000U

CN210718000U - Flow divider and air conditioner

Info

Publication number: CN210718000U
Application number: CN201921422500.9U
Authority: CN
Inventors: 王振宝; 刘睿
Original assignee: Hisense Shandong Air Conditioning Co Ltd
Current assignee: Guangdong Kelong Jiake Electronics Co ltd; Hisense Air Conditioning Co Ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-06-09
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a flow divider and an air conditioner comprising the same; the flow divider comprises a liquid inlet flow channel, an accelerating flow channel, a flow dividing cavity, a rotational flow device and a plurality of liquid outlet flow channels; one end of the liquid inlet flow channel is provided with a liquid inlet; the aperture of the accelerating flow channel is smaller than that of the liquid inlet flow channel, and one end of the accelerating flow channel is connected with the other end of the liquid inlet flow channel; the inner diameter of the flow dividing cavity is larger than that of the accelerating flow channel; comprises a first end and a second end; the first end is communicated with the other end of the accelerating flow passage; an impact part is arranged on the inner wall of the second end corresponding to the accelerating flow passage and is an inwards concave arc-shaped groove; the cyclone device is arranged in the flow dividing cavity; each liquid outlet flow passage is respectively communicated with the second end. The utility model discloses reduce loss of pressure and noise, the influence of gravity when weakening the vertical deviation of shunt installation, it is more even to shunt, improves the travelling comfort.

Description

Flow divider and air conditioner

Technical Field

The utility model belongs to the technical field of air conditioning, specifically speaking relates to a current divider and air conditioner.

Background

At present, an air conditioner mainly comprises an indoor heat exchanger, an outdoor heat exchanger, a compressor, a throttle valve, a control system and the like, in order to reduce the pressure loss of the system, a refrigerant in the heat exchanger is generally divided into a plurality of branches for heat exchange, and therefore a shunt is generally installed in front of the heat exchanger, and the system can be operated with higher capacity and efficiency. Because the refrigerant is in a gas-liquid two-phase mixed flowing state before flowing through the throttling device and entering the flow divider, the flow divider has poor flow dividing effect and the refrigerant flowing noise is easy to generate.

The traditional flow divider mainly depends on the acceleration impact effect, and part of bubbles in fluid are scattered through impact generated by the sudden acceleration of the speed of a refrigerant. The problems of large pressure loss and unstable and uneven flow distribution are caused, and the energy of impact loss is mainly converted into vibration and noise of the structure to cause noise abnormity. Meanwhile, the shunt of the type has requirements on the installation angle, so that the shunt working face is required to be horizontal, the problem of uneven shunt caused by gravity is reduced, and the installation difficulty is high.

Disclosure of Invention

The utility model provides a shunt and air conditioner reduces system pressure loss, reduces the vibration noise, improves the reposition of redundant personnel homogeneity, improves the travelling comfort.

In order to solve the technical problem, the utility model discloses a following technical scheme realizes:

a flow divider comprises a liquid inlet flow channel, an accelerating flow channel, a flow dividing cavity, a rotational flow device and a plurality of liquid outlet flow channels; one end of the liquid inlet flow channel is provided with a liquid inlet; the aperture of the accelerating flow channel is smaller than that of the liquid inlet flow channel, and one end of the accelerating flow channel is connected with the other end of the liquid inlet flow channel; the inner diameter of the flow dividing cavity is larger than that of the accelerating flow channel; comprises a first end and a second end; the first end is communicated with the other end of the accelerating flow passage; an impact part is arranged on the inner wall of the second end corresponding to the accelerating flow passage and is an inwards concave arc-shaped groove; the cyclone device is arranged in the flow dividing cavity; each liquid outlet flow passage is respectively communicated with the second end.

Furthermore, a rotational flow device is arranged in the flow dividing cavity and comprises a plurality of guide vanes rotating in the same direction; the guide vanes are uniformly arranged around the impact part and connected with the inner wall of the first end; each liquid outlet flow passage is uniformly distributed around the impact part.

Preferably, the liquid inlet flow channel and the accelerating flow channel are coaxially and fixedly connected into a whole, and the liquid inlet flow channel is a first component and comprises a third end and a fourth end; the diversion cavity is fixedly connected with the liquid outlet flow channel into a whole and is a second part which comprises a fifth end and a sixth end; the fourth end is fixedly connected with the fifth end.

Preferably, the acceleration flow channel comprises a contraction hole channel and an acceleration hole channel; the contraction hole channel is a circular truncated cone-shaped through hole and comprises a large end and a small end; the accelerating pore canal is a cylindrical through hole with the same diameter as the small end; the liquid inlet flow channel is connected with the large end.

Preferably, the fourth end is cylindrical in shape; the fifth end is provided with a concave first step hole which is connected and matched with the four ends; the fourth end is mounted within the first stepped bore.

Furthermore, the rotational flow device also comprises a blade disc which is of a disc type structure and comprises a side plate and a bottom plate; the side plates are of arc-shaped plate structures; the bottom plate is of a circular flat structure; the side plate is perpendicular to the bottom plate and is fixedly connected with the bottom plate; each guide vane is positioned on the inner side of the bottom plate and is fixedly connected with the bottom plate; the bottom plate is provided with through holes with equal diameters at positions corresponding to the accelerating pore canals; the bottom plate is connected with the fourth end; the through hole is connected with the accelerating pore channel.

Preferably, the fourth end is provided with an installation seat matched with the blade disc in installation, and the installation seat is an inward-concave circular groove; the mounting seat comprises an inner circular ring and an outer circular ring; the bottom plate is positioned in the outer circular ring; the inner circular ring is positioned in the through hole; a second step hole matched with the side plate in mounting is formed in the inner side of the first step hole; the side plate is located in the second step hole and connected with the second step hole.

Preferably, the guide vane is of a volute structure of a fan blade.

Further preferably, the guide vane is of a variable cross-section structure and comprises an outer bus; the outer bus is in an outer convex arc shape; the guide vane comprises a root part and a tail end; the root portion has a cross-sectional width greater than a cross-sectional width of the tip portion.

An air conditioner comprises the flow divider.

Compared with the prior art, the utility model discloses an advantage is with positive effect: the utility model discloses a shunt reaches air conditioner including it and sets up the impact portion of arc recess in the position that the pore was accelerated to the correspondence on the second end inner wall of reposition of redundant personnel chamber, make the refrigerant hit into the impact portion after accelerating the runner with higher speed, the arc recess through the impact portion reflects the reposition of redundant personnel intracavity, the centrifugal action rotation of the whirl device through the reposition of redundant personnel intracavity makes the refrigerant reposition of redundant personnel behind reposition of redundant personnel intracavity intensive mixing, reduce system pressure loss, reduce shunt operating noise, gravity is better to the influence of reposition of redundant personnel effect when weakening shunt installation direction has the deviation, the reposition of redundant personnel effect, and the user comfort is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a side view of an embodiment of a flow splitter as set forth in the present disclosure;

FIG. 2 is a sectional view taken along line A of FIG. 1;

fig. 3 is a schematic structural view of the swirling device.

In the figure, the position of the upper end of the main shaft,

01. a first member; 02. a second component; 1. a liquid inlet flow channel; 2. an acceleration flow channel; 3. a shunting cavity; 4. a liquid outlet flow passage; 5. a swirling device; 011. a third end; 012. a fourth end; 021. a fifth end; 022. a sixth terminal; 11. a liquid inlet; 21. shrinking the pore channel; 22. an acceleration tunnel; 23. a cyclone device mounting base; 231. an outer ring; 232. an inner circular ring; 31. a first end; 32. a second end; 33. an impact section; 41. a flow diversion channel; 42. a liquid outlet channel; 43. a first stepped bore; 44. a second stepped bore; 51. a guide vane; 52. a side plate; 53. a base plate; 511. an outer bus bar; 512. a root portion; 513. a terminal end; 531. and a through hole.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1, 2 and 3, the present invention discloses a flow divider and an air conditioner including the same. The flow divider comprises a liquid inlet flow channel 1, an accelerating flow channel 2, a flow dividing cavity 3, a rotational flow device 5 and a plurality of liquid outlet flow channels 4. One end of the liquid inlet flow channel 1 is a liquid inlet 11, and the refrigerant enters the flow divider from the liquid inlet 11; the other end of the liquid inlet flow channel 1 is connected with one end of the accelerating flow channel 2, so that the liquid inlet flow channel 1 is communicated with the accelerating flow channel 2. The inner diameter of the accelerating flow passage 2 is smaller than that of the liquid inlet flow passage 1, and when the refrigerant enters the accelerating flow passage 2 from the liquid inlet flow passage 1, the flow speed of the refrigerant in the accelerating flow passage 2 is accelerated due to the smaller inner diameter of the accelerating flow passage 2. The diversion cavity 3 is a cavity body with the inner diameter larger than that of the acceleration flow channel 2 and comprises a first end 31 and a second end 32; the first end 31 is connected to the other end of the acceleration channel 2, so that the branch chamber 3 communicates with the acceleration channel 2. The cyclone device 5 is arranged in the flow dividing cavity. The inner wall of the second end 32 is provided with an impact portion 33 corresponding to the position of the acceleration channel 2, which is an arc-shaped groove recessed toward the outside of the second end 32, so that the high-speed refrigerant impacts the impact portion 33 when flowing out of the acceleration channel 2. Because the impact part 33 is an arc-shaped groove and the cyclone device is arranged in the shunting cavity, the high-speed refrigerant is reflected back by the impact part 33 to enter the shunting cavity 3 and is fully mixed under the centrifugal action of the cyclone device 5 in the shunting cavity 3. The liquid outlet channels 4 are respectively connected with the second end 32, so that the liquid outlet channels 4 are respectively communicated with the flow dividing cavity 3. The refrigerants are fully mixed in the flow distribution cavity 3 and then enter each liquid outlet flow channel 4 for flow distribution. The flow divider and the air conditioner of the utility model can weaken the vibration noise and pressure loss when the high-speed refrigerant is divided; the split flow of the refrigerant after gas-liquid fully mixing weakens the influence of the gravity of the refrigerant in the flow divider on the split flow effect, so that the split flow is more uniform, the air heat exchange is more uniform, and the user comfort is improved.

The specific structure and principle of the shunt according to the present invention will be described in detail with reference to the following specific embodiments.

In one embodiment, referring to fig. 1, 2 and 3, the swirling device 5 includes a plurality of co-rotating guide vanes 51 uniformly disposed around the impact portion 33. Each guide vane 51 is arranged in the flow dividing cavity 3 and connected with the inner wall of the first end 31, so that the high-speed refrigerant is reflected by the impact part 33 and then rotates in the flow dividing cavity 3 along the rotating direction of the guide vane 51, the refrigerant is fully mixed in the flow dividing cavity 3 and is uniformly distributed in the flow dividing cavity 3 without being influenced by the installation direction of the flow divider, and the refrigerant is uniformly distributed to each liquid outlet flow channel 4. The limitation on the installation direction of the shunt is reduced, and the installation efficiency is improved; the shunting is uniform, the temperature uniformity of air outlet is improved, and the comfort level of a customer is improved.

In an embodiment, referring to fig. 1 and fig. 2, the liquid inlet flow channel 1 and the accelerating flow channel 2 are coaxially and fixedly connected into a whole, which is a first component 01, and includes a third end 011 and a fourth end 012; the flow dividing cavity 3 and the liquid outlet flow passage 4 are fixedly connected into a whole, and the flow dividing cavity 3 is coaxial with the impact part 33, and is a second part 02 which comprises a fifth end 021 and a sixth end 022. The fourth end 012 is fixedly connected to the fifth end 021. Preferably, the acceleration channel 2 includes a constricted duct 21, an acceleration duct 22; the contraction hole channel 21 is a circular truncated cone-shaped through hole and comprises a large end and a small end; the acceleration passage 22 is a cylindrical through hole, and the inner diameter of the small end of the constricted passage 21 is equal to the inner diameter of the acceleration passage 22. The large end of the contraction pore canal 21 is connected with the liquid inlet flow channel 1, so that the contraction pore canal 21 is communicated with the liquid inlet flow channel 1. The small end is connected with one end of the accelerating pore passage 22, so that the contracting pore passage 21 is communicated with the accelerating pore passage 22, and the other end of the accelerating pore passage 22 is connected with the first end 31, so that the accelerating pore passage 22 is communicated with the shunting cavity 3.

In one embodiment, referring to fig. 1 and 2, the fourth end 012 is a cylindrical structure; the fifth end 021 is provided with an inwards concave first step hole 43 which is matched with the fourth end 012 in an installing way; the fourth end 012 is inserted into the first stepped hole 43 and is fixedly connected to the first stepped hole 43. Preferably, the fourth end 012 and the fifth end 021 are fixedly connected by welding.

In an embodiment, referring to fig. 1, 2 and 3, the swirling device 5 further includes a blade disc having a disc-shaped structure, including a side plate 52 and a bottom plate 53; the side plate 52 is a circular arc side plate 52, and the bottom plate 53 is a circular flat plate; the side plate 52 is perpendicular to the bottom plate 53, and one end is fixedly connected with the bottom plate 53. Each guide vane 51 is located inside the bottom plate 53 and is fixedly connected to the bottom plate 53. A through hole 531 is arranged on the bottom plate 53 corresponding to the position of the accelerating pore passage 22; the bottom plate 53 is connected to the fourth end 012, and the through hole 531 is connected to the accelerating tunnel 22, so that the accelerating tunnel 22 is communicated with the through hole 531, and further communicated with the branch chamber 3. Preferably, the fourth end 012 is provided with a swirl device mounting seat 23 adapted to the vane disk, which is an annular groove and includes an inner annular ring 232 and an outer annular ring 231. The bladed disk is positioned inside the outer ring 231 and is connected to the outer ring 231; the inner ring 232 is located inside the through hole 531 and connected to the inner wall of the through hole 531. The cyclone device mounting base 23 enables the cyclone device to be quickly positioned during mounting, and mounting efficiency is improved.

In an embodiment, referring to fig. 1 and 2, a second stepped hole 44 fitted to the side plate 52 is formed at the fifth end 021 and inside the first stepped hole 43; side plate 52 is located within second stepped bore 44 and is connected to second stepped bore 44. The blade disc covers the connection between the fourth end 012 and the fifth end 021, which improves the sealing of the flow divider.

In one embodiment, referring to fig. 2 and 3, the guide vane 51 is a spiral structure of a fan blade. Preferably, the guide vane 51 has a variable cross-section structure, which includes an outer bus bar 511. The outer bus 511 is convex arc. The guide vane 51 comprises a root 512 and a tip 513; root 512 is the end near through hole 531; the end 513 is the end remote from the through hole 531. The width of the section from the root 512 to the end 513 is gradually reduced to avoid the guide vane 51 from blocking the liquid outlet channel 4.

In an example, referring to fig. 1 and 2, the liquid outlet channel 4 includes a branch channel 41 and a liquid outlet channel 42. The inner diameter of the diversion channel 41 is smaller than that of the liquid outlet channel 42, so that the connection between the diverter and the refrigerant pipeline is facilitated.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A flow splitter, comprising:

a liquid inlet flow channel, one end of which is a liquid inlet;

the aperture of the accelerating flow channel is smaller than that of the liquid inlet flow channel, and one end of the accelerating flow channel is connected with the other end of the liquid inlet flow channel;

the flow dividing cavity is a cavity body with the inner diameter larger than that of the accelerating flow channel; comprises a first end and a second end; the first end is communicated with the other end of the accelerating flow passage; an impact part is arranged on the inner wall of the second end corresponding to the accelerating flow passage and is an inwards concave arc-shaped groove;

the cyclone device is arranged in the flow dividing cavity;

and the liquid outlet flow channels are respectively communicated with the second ends.

2. The flow diverter according to claim 1, wherein the swirling device comprises a plurality of co-rotating guide vanes; the guide vanes are uniformly arranged around the impact part and connected with the inner wall of the first end; each liquid outlet flow passage is uniformly distributed around the impact part.

3. The flow divider according to claim 2, wherein the liquid inlet channel is coaxially and fixedly connected with the accelerating channel as a first component, and comprises a third end and a fourth end; the diversion cavity is fixedly connected with the liquid outlet flow channel into a whole and is a second part which comprises a fifth end and a sixth end; the fourth end is fixedly connected with the fifth end.

4. The flow diverter according to claim 3, wherein the acceleration flow passage comprises a converging bore, an accelerating bore; the contraction hole channel is a circular truncated cone-shaped through hole and comprises a large end and a small end; the accelerating pore canal is a cylindrical through hole with the same diameter as the small end; the liquid inlet flow channel is connected with the large end.

5. The flow splitter of claim 4, wherein the fourth end is cylindrical in shape; the fifth end is provided with a concave first step hole which is connected and matched with the four ends; the fourth end is mounted within the first stepped bore.

6. The flow divider of claim 5, wherein the swirling device further comprises a bladed disc of disc type construction comprising side plates, a bottom plate; the side plates are of arc-shaped plate structures; the bottom plate is of a circular flat structure; the side plate is perpendicular to the bottom plate and is fixedly connected with the bottom plate; each guide vane is positioned on the inner side of the bottom plate and is fixedly connected with the bottom plate; the bottom plate is provided with through holes with equal diameters at positions corresponding to the accelerating pore canals; the bottom plate is connected with the fourth end; the through hole is connected with the accelerating pore channel.

7. The flow divider according to claim 6, wherein a swirl device mounting seat adapted to the blade disc mounting is provided at the fourth end, and is an annular groove; the mounting seat comprises an inner circular ring and an outer circular ring; the bottom plate is positioned in the outer circular ring; the inner circular ring is positioned in the through hole; a second step hole matched with the side plate in mounting is formed in the inner side of the first step hole; the side plate is located in the second step hole and connected with the second step hole.

8. The flow diverter according to any one of claims 2 to 7, wherein the guide vanes are of a volute type configuration of fan blades.

9. The flow splitter of claim 8, wherein the guide vanes are of variable cross-section construction including an outboard generatrix; the outer bus is in an outer convex arc shape; the guide vane comprises a root part and a tail end; the root portion has a cross-sectional width greater than a cross-sectional width of the tip portion.

10. An air conditioner characterized by comprising the flow divider of any one of claims 1 to 9.