CN216620370U - Flow divider and air conditioner with same - Google Patents

Abstract

The application relates to a current divider and an air conditioner with the current divider. The utility model provides a flow divider includes sprue and the subchannel of intercommunication, the sprue include wide-diameter portion and the narrow diameter portion of intercommunication, be trapezoidal fretwork annular including the section in the narrow diameter portion, section perpendicular to sprue's is radial, the air conditioner of this application, including aforementioned shunt, the scheme that this application provided can effectual improvement narrow diameter portion cell wall, make under the equivalent structure intensity, the cell wall that has the fretwork annular in the scheme of this application can make more thinly, consequently, the narrow diameter portion that has set up this fretwork annular has bigger volume, thereby increased the refrigerant circulation in the flow divider, improved the performance of flow divider, simultaneously, because the refrigerant circulation in the flow divider increases, make the refrigerant flow that gets into the evaporimeter also increase, improved the heat exchange efficiency of the air conditioner that has this flow divider.

Description

Flow divider and air conditioner with same

Technical Field

The application relates to the technical field of air conditioners, in particular to a current divider and an air conditioner with the current divider.

Background

At present, in order to improve the heat exchange efficiency of the air conditioner, a flow divider is often used for dividing the throttled refrigerant into a plurality of flows to be distributed to an evaporator to complete evaporation. The flow divider is used as an important auxiliary device of the evaporator, and the performance of the flow divider directly influences the flow of the refrigerant entering each flow path of the evaporator.

In the correlation technique, the shunt that uses on the market can set up on the sprue and accelerate the chamber in order to solve the inhomogeneous problem of refrigerant flow reposition of redundant personnel, nevertheless can dwindle the internal diameter of sprue from this, makes the refrigerant flow reduce, will lead to the evaporimeter flow less, has reduced heat exchange efficiency, causes the overheated phenomenon of air conditioner.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems in the related art, the present application provides a flow divider and an air conditioner having the same, where the flow divider can increase the flow rate of a refrigerant in a main channel while maintaining the strength of a tube wall approximately unchanged.

The application provides a shunt, sprue and subchannel including the intercommunication, the sprue is including wide footpath portion and the narrow footpath portion of intercommunication, be trapezoidal fretwork annular including the section in the narrow footpath portion, the section perpendicular to sprue is radial.

Furthermore, the number of the hollow ring grooves with trapezoidal sections is at least 2.

Further, the hollow ring groove with the trapezoidal section comprises a first hollow ring groove and a second hollow ring groove; the tank bottom of first fretwork annular is connected with the tank bottom of second fretwork annular, first fretwork annular and second fretwork annular form a reinforcing groove.

Further, when the number of the reinforcing grooves formed is at least two, two adjacent reinforcing grooves are directly connected or two adjacent reinforcing grooves are connected through a straight groove wall.

Further, for any two adjacent hollow ring grooves, the groove bottom of one hollow ring groove is connected with the groove top of the other hollow ring groove.

Further, for the hollow ring grooves in the narrow portion, the acute angles of the trapezoid presented by the cross section of each hollow ring groove are different.

Furthermore, the sizes of the hollow ring grooves in the narrow-diameter part are equal.

Further, the main flow passage further includes a confluence portion through which the wide diameter portion communicates with the narrow diameter portion.

Further, a groove wall at the joint of the wide-diameter part and the confluence part is provided with a first main flow passage step and a second main flow passage step.

Further, a buffer groove is arranged on the step surface of the step of the first main flow passage close to the wide-diameter part.

Further, the branch channel comprises a branch part, a first branch channel and a second branch channel; one end of the shunting part is communicated with the narrow-diameter part, and the other end of the shunting part is communicated with the first shunting branch passage and the second shunting branch passage respectively.

Furthermore, a first shunt channel step and a second shunt channel step are arranged on the groove wall of the junction of the shunt part and the first shunt branch channel, and a third shunt channel step and a fourth shunt channel step are arranged on the groove wall of the junction of the shunt part and the second shunt branch channel.

Furthermore, a buffer groove is arranged on the step surface of the first diversion step close to the first diversion branch passage

And/or

And a buffer groove is arranged on the step surface of the third shunting step close to the second shunting branch passage.

The application still provides an air conditioner, including condenser, evaporimeter and aforementioned shunt, the sprue of shunt with the condenser is connected, the sprue of shunt with the evaporimeter is connected.

The technical scheme provided by the application has the beneficial effects that: the application provides a sprue of shunt is including wide footpath portion and narrow footpath portion, be trapezoidal fretwork annular including the section in the narrow footpath portion, compare in straight cell wall shape, because trapezoidal section forms triangle fretwork groove (and be the annular) in cell wall department, can effectual improvement cell wall's structural strength, make under the equivalent structural strength, the cell wall that has the fretwork annular in this application scheme can make thinner, consequently, the narrow footpath portion that has set up this fretwork annular has bigger volume, thereby increased the refrigerant circulation in the shunt, the performance of shunt has been improved. Meanwhile, the refrigerant flow in the flow divider is increased, so that the refrigerant flow entering the evaporator is also increased, and the heat exchange efficiency of the air conditioner with the flow divider is improved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The foregoing and other objects, features and advantages of the application will be apparent from the following more particular descriptions of exemplary embodiments of the application, as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the application.

FIG. 1 is a schematic cross-sectional view of a flow diverter in an embodiment of the present application;

FIG. 2 is a cross-sectional view of an embodiment of the present application showing a hollowed-out ring groove;

FIG. 3 is a cross-sectional view of a stiffening channel according to an embodiment of the present application;

FIG. 4 is a cross-sectional view of two reinforcement grooves directly connected in an embodiment of the present application;

FIG. 5 is a cross-sectional view of two reinforcement slots connected by a straight slot wall in an embodiment of the present application;

FIG. 6 is a cross-sectional view of the bottom and top of two adjacent hollowed-out ring grooves in the embodiment of the present application;

FIG. 7 is a cross-sectional view of a plurality of hollowed-out ring grooves in an embodiment of the present application, wherein the cross-sectional view shows different acute angles of a trapezoid;

FIG. 8 is a sectional view of a buffer groove provided at a first main flow step near the wide diameter portion in the embodiment of the present application;

description of reference numerals:

1-flow divider, 2-main runner, 21-wide-diameter part, 22-confluence part, 23-narrow-diameter part, 3-branch runner, 31-flow dividing part, 32-first branch runner, 33-second branch runner, 4-hollowed-out ring groove, 41-first hollowed-out ring groove, 42-second hollowed-out ring groove, 43-reinforcing groove, 44-groove top, 45-groove bottom, 5-first main runner step, 6-second main runner step, 7-first branch runner step, 8-second branch runner step, 9-third branch runner step, 10-fourth branch runner step, and 11-buffer groove.

Detailed Description

Preferred embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

The shunt that uses on the market at present can set up on the sprue and accelerate the chamber in order to solve the inhomogeneous problem of refrigerant flow reposition of redundant personnel, nevertheless can reduce the internal diameter of sprue from this, makes the refrigerant flow reduce to influence the efficiency of air conditioner heat transfer.

In view of the above problems, embodiments of the present application provide a flow divider, which can expand the volume of a main flow channel and increase the refrigerant flow rate while maintaining the strength of the flow divider substantially unchanged.

The technical solutions of the embodiments of the present application are described in detail below with reference to the accompanying drawings.

Referring to fig. 1, fig. 1 is a schematic cross-sectional view of a shunt according to an embodiment of the present disclosure.

The flow divider 1 of the present application comprises a main flow channel 2 and a branch flow channel 3 communicating therewith, the main flow channel 2 comprising a wide diameter portion 21 and a narrow diameter portion 23, the wide portion 21 is a relatively wide main flow passage, the narrow portion 23 is a relatively narrow main flow passage, in the narrow diameter portion 23, a hollow ring groove 4 with a trapezoidal cross section is provided, as shown in fig. 1, with the main flow channel 2 and the first branch flow channel 32 and the second branch flow channel 33 being in the same plane as a first viewing angle, in this view, a plane formed perpendicular to the radial direction of the primary flow channel, which is the direction of the radius or diameter of the cross section of the primary flow channel, is taken as a profile, a triangular hollow-out bulge is arranged at the groove wall of the narrow diameter part to ensure that the section of the hollow-out bulge at the narrow diameter part is in a trapezoidal shape, because the cross section of the narrow-diameter part is annular, the hollowed-out bulge arranged along the groove wall of the narrow-diameter part can form a hollowed-out ring groove 4.

In this embodiment one, through set up the section for trapezoidal fretwork annular in narrow footpath portion, compare in straight cell wall shape, because trapezoidal section forms triangle fretwork annular in cell wall department, can the structural strength of effectual improvement cell wall for under the equivalent structural strength, the cell wall that has the fretwork annular in this application scheme can be made thinner, consequently, the narrow footpath portion that has set up this fretwork annular has bigger volume, thereby increased the refrigerant circulation in the shunt, improved the performance of shunt.

In a second embodiment, in order to further increase the refrigerant circulation in the flow divider, the structural strength of the groove wall may be further strengthened, so that the groove wall of the flow divider may be made thinner, please refer to fig. 2 to 6, which specifically includes:

in the first embodiment, at least two hollow ring grooves 4 are formed in the narrow diameter portion 23.

Referring to fig. 2, the parallel short side of the trapezoid presented by the section of the hollow ring groove 4 is a groove top 44, the parallel long side of the trapezoid presented by the section of the hollow ring groove 4 is a groove bottom 45, when at least two hollow ring grooves 4 are arranged on the narrow-diameter portion 23, the hollow ring groove comprises a first hollow ring groove 41 and a second hollow ring groove 42, in the hollow ring groove, the groove top 44 is close to the wide-diameter portion 21 and is the first hollow ring groove 41, the groove top 44 is close to the narrow-diameter portion 23 and is the second hollow ring groove 42, and the groove bottom 45 of the first hollow ring groove 41 is connected with the groove bottom 45 of the second hollow ring groove 42, so as to form a symmetrical reinforcing groove 43, see fig. 3.

When at least two reinforcing grooves 43 are provided in the narrow-diameter portion 23, taking the provision of two reinforcing grooves 43 as an example, the arrangement may be:

referring to fig. 4, two adjacent reinforcing grooves 43 are directly connected by their respective groove tops 44,

or the like, or a combination thereof,

referring to fig. 5, two adjacent reinforcing grooves 43 are connected by a straight groove wall.

In addition, there may be other connection modes between the hollow ring grooves 4, as shown in fig. 6, for any two adjacent hollow ring grooves 4, the groove bottom 45 of one hollow ring groove is connected with the groove top 44 of the other hollow ring groove. In this embodiment, in order to further strengthen the structural strength of the groove wall, the hollow ring grooves in the narrow portion may be set to have the same size, so as to improve the structural strength with a symmetrical structure.

In this application embodiment, set up two at least fretwork annular at narrow footpath department, through the connection of two at least fretwork annular, can form the reinforcing groove of symmetry or the fretwork annular of regular arrangement, because the cell wall department of two at least fretwork annular can constitute a plurality of triangular structures, can reach the effect of strengthening rib, make under the equivalent structure intensity, the cell wall that has these two at least fretwork annular can all make thinner, consequently, the narrow footpath department that has set up a plurality of these fretwork annular has bigger volume, thereby further increased the refrigerant circulation in the shunt.

In a third embodiment, when the refrigerant fluid flows into the flow divider, the refrigerant fluid collides with the wall of the flow divider to generate a loud noise due to a fast flow speed, and in order to solve the above problem, the present application proposes a corresponding scheme, please refer to fig. 7, which specifically includes:

referring to fig. 7, on the basis of the first embodiment, when at least two hollow ring grooves 4 are disposed in the narrow diameter portion 23, the acute angles of the trapezoidal shapes of the cross sections of the first hollow ring groove 41 and the second hollow ring groove 42 are different, where the different acute angles mean that the acute angles of the trapezoidal shapes of the cross sections of the two hollow ring grooves are different when only two hollow ring grooves are provided, and when there are three or more hollow ring grooves, the acute angle of the trapezoidal shape of the cross section of at least one hollow ring groove is different from the acute angle of the trapezoidal shape of the cross section of the other hollow ring grooves.

In this application embodiment, the section through setting up the fretwork annular presents trapezoidal acute angle different to make the fretwork annular not of uniform size, this kind of asymmetric structure not only can reduce the resonance of sound wave not of uniform size, thereby make the sound wave after refraction many times, offset each other, can weaken its sound, noise reduction.

In the fourth embodiment, the shunt is used as an auxiliary component which affects the heat exchange efficiency of the air conditioner evaporator, the shunt is in a relatively high pressure state, and the shunt has a high sealing requirement, so the shunt is generally connected with the condenser and the evaporator respectively in a welding mode, solder is used during welding, and in the welding process, due to the high-temperature state of the wall of the shunt, the solder can flow into the shunt along the wall of the shunt, and if the solder flows into the narrow-diameter part of the shunt, blockage is easily caused, so that the circulation of the refrigerant in the shunt is abnormal, and the performance of the shunt is affected. In order to solve the problems, the application provides a corresponding scheme. Referring to fig. 1 and 8, the following embodiments:

referring to fig. 1, the main flow passage 2 further includes a confluence portion 22, the confluence portion 22 is of an inverted truncated cone structure, the wide-diameter portion 21 is communicated with the narrow-diameter portion 23 through the confluence portion 22, and the places where the groove walls are connected are all chamfered, as shown in fig. 8, because the diameter K of the cross section of the wide-diameter portion 21 is greater than the diameter L of the cross section of the confluence portion 22, a first main flow passage step 5 and a second main flow passage step 6 are arranged on the groove wall at the connection of the wide-diameter portion 21 and the confluence portion 22, the first main flow passage step 5 is closer to the wide-diameter portion 21, the second main flow passage step 6 is closer to the confluence portion 22, the second main flow passage step 6 is used for limiting the depth of the material, and the first main flow passage step 5 is used for buffering the solder generated when the wide-diameter portion is welded, so as to prevent the solder from blocking the main flow passage. Preferably, a buffer groove 11 is provided on the step surface of the first main flow passage step 5, and the solder flowing along the groove wall can be retained in the buffer groove and prevented from flowing further in the direction of the narrow diameter portion.

Referring to fig. 1, the branch passage 3 includes a branch portion 31, a first branch passage 32, and a second branch passage 33, one end of the branch portion 31 communicates with the narrow diameter portion 23, and the other end of the branch portion 31 communicates with the first branch passage 32 and the second branch passage 33, respectively. Because the diameter of the cross section of the flow dividing part 31 is smaller than the diameter of the cross section of the first flow dividing branch 32 and the second flow dividing branch 33 connected with the flow dividing part, the groove wall at the joint of the flow dividing part 31 and the first flow dividing branch 32 is provided with a first flow dividing step 7 and a second flow dividing step 8, the second flow dividing step 8 is closer to the flow dividing part 31, the first flow dividing step 8 is closer to the first flow dividing branch 32, the groove wall at the joint of the flow dividing part 31 and the second flow dividing branch 33 is provided with a third flow dividing step 9 and a fourth flow dividing step 10, the fourth flow dividing step 10 is closer to the flow dividing part 31, the third flow dividing step 9 is closer to the second flow dividing branch 33, the second flow dividing step 8 and the fourth flow dividing step 10 are used for limiting the depth of the material distribution pipe, and the first flow dividing step 7 and the third flow dividing step 9 are used for buffering the solder generated when the flow dividing branches are welded, solder is prevented from blocking the shunt passage. Preferably, buffer grooves are arranged on the surfaces of the step 9 of the first branch flow passage and the step 7 of the third branch flow passage.

In the embodiment of the application, a first main runner step is arranged on the groove wall at the joint of the wide-diameter part and the confluence part of the current divider, a first branch runner step is arranged on the groove wall at the joint of the current divider and the first branch runner, a third branch runner step is arranged on the groove wall at the joint of the current divider and the second branch runner, in the welding process, solder can flow into the current divider along the groove wall under the high-temperature state of the groove wall of the current divider, so that the first main runner step can effectively prevent the solder generated in the welding of the wide-diameter part from flowing into the narrow-diameter part, the first branch runner step can effectively prevent the solder generated in the welding of the first branch runner from flowing into the narrow-diameter part, and the third branch runner step can effectively prevent the solder from flowing into the narrow-diameter part when the welding of the second branch runner, thereby improving the condition that the solder blocks the narrow-diameter part and reducing the abnormal flow phenomenon of the refrigerant, the performance of the diverter is improved.

Fifth embodiment, the present application further provides an air conditioner, including a condenser, an evaporator, and the flow divider according to any one of the first to fourth embodiments, wherein a main flow channel of the flow divider is connected to the condenser, and a sub flow channel of the flow divider is connected to the evaporator.

Specific structural features of the shunt can be found in the above embodiments, and are not described in detail herein.

When the refrigerant becomes liquid through the condenser and flows into the flow divider, the volume of the narrow-diameter part of the flow divider is increased due to the structure of the hollow ring groove, so that the circulation of the refrigerant in the flow divider is increased, the circulation of the refrigerant flowing into the air conditioner evaporator is increased, and the heat exchange efficiency of the air conditioner is improved.

Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims (14)

1. A flow splitter, comprising:

a main runner (2) and a sub-runner (3) which are communicated,

the main flow passage comprises a wide diameter part (21) and a narrow diameter part (23) which are communicated,

including in the narrow diameter portion section for trapezoidal fretwork annular (4), the section perpendicular to sprue is radial.

2. The flow divider according to claim 1, characterized in that the number of said cut-out ring grooves (4) having a trapezoidal cross-section is at least 2.

3. The flow divider according to claim 2, characterized in that the undercut ring groove (4) with trapezoidal cross section comprises: a first hollowed-out ring groove (41) and a second hollowed-out ring groove (42);

the tank bottom of first fretwork annular groove (41) with the tank bottom of second fretwork annular groove (42) is connected, first fretwork annular groove (41) and second fretwork annular groove (42) form a reinforcing groove (43).

4. A diverter according to claim 3, characterized in that when the number of stiffening grooves (43) formed is at least two:

two adjacent reinforcing grooves (43) are directly connected;

or

Two adjacent reinforcing grooves (43) are connected through straight groove walls.

5. The flow divider according to claim 2, characterized in that for any two adjacent annular recess (4), the groove base of one recess is connected to the groove top of the other recess.

6. The flow divider according to claim 2, characterized in that, for the annular cutout grooves (4) in the narrow portion (23), the cross-section of each annular cutout groove has a different acute angle of a trapezoid.

7. The flow divider according to claim 2, characterized in that the size of each hollowed-out ring groove in the narrow portion (23) is equal.

8. The flow divider according to claim 1, characterized in that the main flow channel (2) further comprises a confluence portion (22), the wide portion (21) communicating with the narrow portion (23) through the confluence portion (22).

9. The flow divider according to claim 8, characterized in that a groove wall where the wide portion (21) connects with the confluence portion (22) is provided with a first main flow channel step (5) and a second main flow channel step (6).

10. The flow divider according to claim 9, characterized in that a buffer groove (11) is provided on the step surface of the first main flow channel step (5) adjacent to the wide portion (21).

11. The flow splitter of claim 1, wherein the flow splitter channel comprises: a flow dividing section (31), a first branch flow path (32), and a second branch flow path (33);

one end of the flow dividing part (31) is communicated with the narrow-diameter part (23), and the other end of the flow dividing part (31) is communicated with the first flow dividing branch passage (32) and the second flow dividing branch passage (33) respectively.

12. The flow splitter of claim 11,

a first shunt channel step (7) and a second shunt channel step (8) are arranged on the groove wall of the connection part of the shunt part (31) and the first shunt branch channel (32);

and a third shunting channel step (9) and a fourth shunting channel step (10) are arranged on the groove wall at the joint of the shunting part (31) and the second shunting branch channel (33).

13. The flow splitter of claim 12,

a buffer groove (11) is arranged on the step surface of the first branch flow passage step (7) close to the first branch flow passage (32)

And/or the presence of a gas in the gas,

a buffer groove (11) is arranged on the step surface of the third shunt passage step (9) close to the second shunt branch passage (33).

14. An air conditioner comprising a condenser, an evaporator and a flow divider according to any one of claims 1 to 13;

the main flow channel of the flow divider is connected with the condenser;

the sub-channels of the flow divider are connected with the evaporator.

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