CN218154926U - Distributor of heat exchange device, heat exchange device and air conditioner - Google Patents

Abstract

The utility model relates to a refrigeration technology equipment field relates to a heat exchange device's distributor, heat exchange device and air conditioner. The distributor comprises an inlet piece and an outlet piece, wherein a liquid inlet channel is arranged in the inlet piece, the liquid inlet channel penetrates along the axis direction of the inlet piece, the outlet piece is provided with an accommodating cavity, and at least part of the inlet piece is arranged in the accommodating cavity; the outlet piece comprises a reflecting surface and a plurality of flow dividing channels, the flow dividing channels are communicated with the liquid inlet channel, and the axes of the flow dividing channels and the axis of the outlet piece are arranged in a non-parallel manner; the liquid outlet of plane of reflection and inlet channel sets up relatively, and the liquid outlet is in the projection of plane of reflection falls in the surface of plane of reflection. The utility model provides a heat exchange device's distributor, through covering the liquid outlet with the plane of reflection at the projection of plane of reflection, can be so that refrigerant inlet channel's liquid outlet flows the back, and the refrigerant can be all accelerateed to the transmitting surface, realizes the effect of intensive mixing.

Description

Distributor of heat exchange device, heat exchange device and air conditioner

Technical Field

The utility model relates to a refrigeration technology equipment field particularly, relates to a heat exchange device's distributor, heat exchange device and air conditioner.

Background

This section provides background information related to the present disclosure only and is not necessarily prior art.

In the finned heat exchanger air conditioning system, after entering from a main pipe, a refrigerant is divided into multiple paths by a distributor of a heat exchange device and then enters a copper pipe flow path of a corresponding finned heat exchanger, and the distributor of the heat exchange device is used for fully mixing the gas-liquid two-phase refrigerant and then stably and uniformly distributing the gas-liquid two-phase refrigerant to each channel.

At present, most of refrigerants in a liquid inlet of a distributor are gas-liquid two-phase flows, the influence of gravity is obvious, when the distributor of a heat exchange device is not vertically installed, the refrigerants can deviate to one side, the refrigerants cannot be fully mixed due to the fact that the direct contact area of a conical structure and the refrigerants is small, and the distribution consistency is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the distributor of the heat exchange device in the prior art can not sufficiently mix the refrigerant. The purpose is realized by the following technical scheme:

a first aspect of the present invention provides a distributor for a heat exchange device, comprising:

the liquid inlet device comprises an inlet piece, a liquid inlet channel and a liquid outlet channel, wherein the liquid inlet channel is arranged inside the inlet piece and penetrates along the axial direction of the inlet piece; and

the outlet piece is provided with an accommodating cavity, and at least part of the inlet piece is arranged in the accommodating cavity;

the outlet piece comprises a reflecting surface and a plurality of flow dividing channels, the flow dividing channels are communicated with the liquid inlet channel, and each axis of the flow dividing channels and the axis of the outlet piece are arranged in an angle;

the plane of reflection with inlet channel's liquid outlet sets up relatively, just the plane of reflection covers the liquid outlet is in the projection of plane of reflection.

According to the utility model discloses a heat exchange device's distributor, through covering the projection of liquid outlet at the plane of reflection with the plane of reflection, can be so that refrigerant inlet channel's liquid outlet flows the back, and the refrigerant can all be with higher speed to arrive the transmitting surface, realizes intensive mixing's effect.

In addition, according to the distributor of the heat exchange device of the present invention, the following additional technical features can be provided:

in some embodiments of the present invention, a distance between a plane of the liquid outlet of the liquid inlet channel and a bottom of the inlet of the flow dividing channel is 0-3mm.

In some embodiments of the present invention, the liquid inlet channel is in a stepped hole shape, and the aperture of the liquid inlet channel at the liquid inlet position is larger than the aperture at the liquid outlet position.

In some embodiments of the present invention, the liquid inlet channel includes a connecting hole, a via hole and a jet hole which are connected in sequence and have decreasing aperture, wherein one end of the connecting hole is located in the liquid inlet.

In some embodiments of the present invention, the length of the via hole in the axial direction ranges from 3mm to 5mm.

In some embodiments of the present invention, the reflective surface is conical, and a distance between a circumferential edge end of the reflective surface and an edge end of the corresponding jet hole ranges from 2mm to 10mm.

In some embodiments of the present invention, the diversion channel is in a stepped hole shape, and the aperture of the diversion channel at the entrance position is smaller than the aperture at the exit position.

In some embodiments of the present invention, the diversion channel includes a first diversion hole and a second diversion hole connected to each other and having decreasing aperture, and one end of the first diversion hole is the outlet position.

In some embodiments of the present invention, an included angle between an axis of the flow dividing channel and an axis of the outlet member is 15 to 30 degrees.

A second aspect of the present invention provides a heat exchange apparatus, including:

an input tube;

a capillary tube; and

the distributor of the heat exchange device according to the above embodiment, wherein the input pipe is insertedly arranged inside the liquid inlet channel; the capillary is arranged in the shunting passage in a plug-in mode.

The utility model provides a heat exchange device through with the liquid outlet in the surface of plane of reflection of projection drop on the plane of reflection, can be so that refrigerant inlet channel's liquid outlet flows the back, and the refrigerant can be all accelerated to arrive the transmitting surface, realizes the effect of intensive mixing.

A third aspect of the present invention provides an air conditioner, including the heat exchanging apparatus of the above embodiment.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:

fig. 1 schematically shows a structural schematic view of a distributor of a heat exchange device according to an embodiment of the present invention;

FIG. 2 isbase:Sub>A cross-sectional view ofbase:Sub>A distributor of the heat exchange device shown in FIG. 1 at location A-A;

FIG. 3 is a schematic view of the inlet piece of FIG. 1 connected to an inlet tube;

fig. 4 is a schematic view showing a structure of the outlet member shown in fig. 1 connected to a capillary tube.

The reference numbers are as follows:

100 is a distributor;

10 is an inlet piece; 11 is a liquid inlet channel; 111 is a liquid inlet; 112 is a liquid outlet; 113 is a connecting hole; 114 is a via hole; 115 is a jet hole;

20 is an outlet member; 21 is an accommodating cavity; 22 is a reflecting surface; 23 is a flow dividing channel; 231 is an inlet; 232 is an outlet; numeral 233 is a first shunt hole; 234 is a second shunt hole; 235 is a base hole;

200 is an input tube;

300 is a capillary tube.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure 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.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "at 8230; \8230; below" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1 to 4, fig. 1 schematically shows a structural diagram of a distributor 100 of a heat exchange device according to an embodiment of the present invention. In a first aspect of the embodiment of the present invention, a distributor 100 of a heat exchanger is provided, the distributor 100 includes an inlet member 10 and an outlet member 20, the inside of the inlet member 10 is provided with a liquid inlet channel 11 along the axis direction of the inlet member 10, the liquid inlet channel 11 runs through the inlet member 10 along the axis of the inlet member 10, so that the inlet member 10 has the liquid inlet channel 11 inside thereof.

The outlet member 20 is provided with a receiving cavity 21 for receiving at least a part of the inlet member 10, wherein the contact surface between the receiving cavity 21 and the inlet member 10 may be screwed or fixed by adhesion.

The outlet member 20 has a reflective surface 22 and a plurality of divergent channels 23, each divergent channel 23 communicating with the inlet channel 11, and the axis of each divergent channel 23 being at an angle to the axis of the outlet member 20.

The reflecting surface 22 is disposed opposite to the liquid outlet 112 of the liquid inlet channel 11, and it is necessary to satisfy the requirement that the projection of the liquid outlet 112 on the reflecting surface 22 is within the surface of the reflecting surface 22, that is, the reflecting surface 22 covers the projection of the liquid outlet 112 on the reflecting surface 22, so that the liquid exiting from the liquid outlet 112 can pass through the action of the reflecting surface 22 to further mix the refrigerant.

The utility model provides a heat exchange device's distributor 100 can be so that the liquid outlet 112 of refrigerant inlet channel 11 flows the back, and the refrigerant can be all accelerateed to the transmitting surface, realizes the effect of intensive mixing. In addition, the uniformity of the flow division of the distributor 100 of the heat exchange device may also be improved, so that the refrigerant can be uniformly divided from the plurality of flow dividing channels 23.

It should be noted that, as shown in fig. 1, the inlet member 10 is a cylindrical structure, and the interior of the inlet member is provided with the liquid inlet passage 11, where the cylindrical structure may be a cylinder or a rectangular cylinder.

In order to secure the structural strength of the connection position between the inlet member 10 and the outlet member 20, the inlet member 10 may be provided in a structure having a wide top and a narrow bottom, that is, the inlet member 10 is divided into an upper portion and a lower portion, the size of the upper portion being greater than that of the lower portion, so that the structural strength of the distributor 100 of the entire heat exchange apparatus may be increased.

In some optional embodiments, the liquid outlet 112 of the liquid inlet channel 11 is planar, the flow dividing channel 23 is disposed in an inclined manner, the inlet 231 of the flow dividing channel 23 has a bottom end in the height direction, and a distance H1 between the plane where the liquid outlet 112 is located and the bottom end of the inlet 231 is 0 to 3mm, for example, H1 may be 1 mm or 2mm, so as to achieve an effect of sufficiently mixing the refrigerant, and if the data corresponding to H1 is too large, for example, H1 is 20 mm, the effect of sufficiently mixing the refrigerant cannot be achieved.

In some alternative embodiments, the liquid inlet channel 11 is a stepped hole, which may be a second-step stepped hole, a third-step stepped hole or a more stepped hole, and the aperture of the liquid inlet channel 11 at the position of the liquid inlet 111 is the largest, the aperture at the position of the liquid outlet 112 is the smallest, and the aperture of the liquid inlet channel 11 at the position of the liquid inlet 111 is larger than that at the position of the liquid outlet 112.

Specifically, with continued reference to fig. 2 and 3, fig. 2 isbase:Sub>A cross-sectional view of distributor 100 of the heat exchange device of fig. 1 atbase:Sub>A-base:Sub>A, and fig. 3 isbase:Sub>A schematic view of inlet piece 10 of fig. 1 coupled to inlet conduit 200. The liquid inlet channel 11 includes a connection hole 113, a via hole 114, and a jet hole 115, wherein the connection hole 113 is connected to one end of the via hole 114, and the other end of the via hole 114 is connected to the jet hole 115, and a liquid inlet 111 is formed at the bottom end of the connection hole 113 and is an inlet of the refrigerant. In fig. 3, the diameter of the connection hole 113 is D5, the diameter of the via hole 114 is D4, the diameter of the jet hole 115 is D3, the diameter D5 of the connection hole 113 is larger than the diameter D4 of the via hole 114, and the diameter D4 of the via hole 114 is larger than the diameter D3 of the jet hole 115.

It should be noted that the jet hole 115 and the through hole 114 are formed in the upper portion of the inlet member 10, and since the diameters of the jet hole 115 and the through hole 114 are smaller than the diameter of the connection hole 113, the wall thickness of the upper portion of the inlet member 10 can be made larger, and the structural strength of the connection position of the inlet member 10 and the outlet member 20 can be increased.

In some alternative embodiments, the length of the via 114 along the axial direction thereof ranges from 3mm to 5mm, wherein the up-down direction in fig. 2 is the height direction, and the horizontal direction is the left-right direction, that is, the height H2 of the via 114 is 3mm to 5mm, for example, the height H2 of the via 114 may be 4 mm or 4.5 mm. By limiting the length of the via hole 114 in the axial direction thereof, it is possible to prevent solder from easily entering the position of the jet hole 115 and affecting the velocity of the jet when the height of the via hole 114 is small. In addition, when the length of the through hole 114 is large, the speed of the refrigerant at the liquid outlet 112 can be prevented from being slow.

In some alternative embodiments, the reflecting surface 22 is a conical side surface, and the edge end of the reflecting surface 22 along the circumference thereof is the end of the reflecting surface 22 with the largest diameter, and the distance S1 between the end and the circumferential edge end of the corresponding jet hole 115 is 2-10 mm, and the distance S1 between the circumferential edge end closest to the corresponding jet hole 115 is 2-10 mm, in fig. 3, it can also be understood that the distance S1 between the position of the reflecting surface 22 at the rightmost end and the position of the jet hole 115 at the rightmost end is 2-10 mm, and the distance S1 between the position of the reflecting surface 22 at the leftmost end and the position of the jet hole 115 at the leftmost end is 2-10 mm, where 2-10 mm may be 3mm, 4 mm, or 5mm, etc.

As can be seen from the above explanation, the circumferential edge end of the jet hole 115 is circular after being projected onto the reflecting surface 22, and the difference between the radius of the circle and the maximum radius of the reflecting surface 22 is S1, so that the coolant injected from the jet hole 115 can be within the coverage of the reflecting surface 22, and the refrigerant can be uniformly mixed by the action of the reflecting surface 22.

In some alternative embodiments, the flow dividing channel 23 is in a stepped hole shape, and the aperture of the flow dividing channel 23 at the position of the inlet 231 is smaller than that at the position of the outlet 232, and by setting the flow dividing channel 23 in the stepped hole shape and setting the aperture at the position of the inlet 231 to be smaller than that at the position of the outlet 232, it is possible to avoid that solder enters the inside of the flow dividing channel 23 when the capillary tube 300 is installed at the outlet 232, and the flow rate of the refrigerant is affected. The flow dividing passage 23 may be a two-step stepped hole, a three-step stepped hole, a four-step stepped hole, or the like.

In some alternative embodiments, continuing to refer to fig. 4, fig. 4 is a schematic diagram of the structure of fig. 1 in which the outlet member 20 is connected to the capillary 300. The flow dividing channel 23 comprises a first flow dividing hole 233 and a second flow dividing hole 234 which are connected with each other, the upper end of the first flow dividing hole 233 is the position of the outlet 232, wherein the diameter of the first flow dividing hole 233 is D1, the diameter of the second flow dividing hole 234 is D2, wherein D1 is larger than D2, and the difference between D1 and D2 is 0.1-0.2 mm, that is, the value of D1 is 0.1-0.2 mm larger than the value of D2, and specifically, 0.15 mm or 0.18 mm, etc. can be selected.

Optionally, the branch channel 23 further includes a base hole 235, one end of the base hole 235 is connected to the second branch hole 234, the other end of the base hole 235 is in a free state and is located at the bottom of the whole branch channel 23, and the refrigerant enters from the other end of the base hole 235, that is, the refrigerant enters from the bottom of the base hole 235 and then flows out of the outlet 232.

In some alternative embodiments, the angle θ between the axis of the flow dividing channel 23 and the axis of the outlet member 20 is 15 degrees to 30 degrees, for example, θ may be 18 degrees, 20 degrees, or 25 degrees. The plurality of flow dividing channels 23 are evenly distributed along the circumference of the outlet member 20 and near the edge of the outlet member 20, and the number thereof may be an even number, such as six, eight, twelve, etc. In fig. 1, the number of the flow dividing channels 23 is ten, and the ten flow dividing channels 23 are uniformly provided at circumferential positions of the outlet member 20. By setting the angular range between the axis of the flow dividing passage 23 and the axis of the outlet member 20, the material of the outlet member 20 can be saved, and the processing cost can be reduced.

It should be emphasized that the refrigerant here is usually a gas-liquid two-phase refrigerant, a gas-phase refrigerant, or a liquid-phase refrigerant, and the structural improvement of the distributor 100 of the heat exchange device can accelerate the refrigerant to reach the reflecting surface 22, and then the refrigerant is fully mixed, so that the uniformity of the split flow is improved, and the cost is low.

In addition, the inlet member 10 and the outlet member 20 may be an integral structure or may be a separate structure, wherein the separate structure may simplify the processing and reduce the processing difficulty of the distributor 100 of the entire heat exchange device.

According to a second aspect of the embodiment of the present invention, there is provided a heat exchange device, which includes an input pipe 200, a capillary tube 300 and a distributor 100, wherein the distributor 100 is the distributor 100 of the heat exchange device mentioned in the above embodiment, and the input pipe 200 is disposed inside the liquid inlet channel 11 in an insertion manner; the capillary 300 is insertedly disposed inside the branch passage 23.

It should be noted that, when the outer surface of the inlet pipe 200 is connected to the connection hole 113 of the inlet passage 11, the brazing process is performed by adding the brazing material to fix the inlet pipe 200 inside the connection hole 113

It should be noted that the length and angle dimensions mentioned herein, for example, θ is 15 degrees, may be 15 degrees between the axis of the flow dividing channel 23 and the axis of the outlet member 20, or may mean that the difference between the angle formed between the axis of the flow dividing channel 23 and the axis of the outlet member 20 and 15 degrees is within a desired range.

Similarly, the distance between the leftmost position of the reflection surface 22 and the leftmost position of the jet hole 115 is 2mm, the distance between the leftmost position of the reflection surface 22 and the leftmost position of the jet hole 115 may be 2mm, or the difference between the distance between the leftmost position of the reflection surface 22 and the leftmost position of the jet hole 115 and 2mm may be within a desired range.

In addition, the number of the capillary tubes 300 is the same as that of the branch passages 23, one capillary tube 300 may be provided for each branch passage 23, one end of the capillary tube 300 is inserted into a position connected to the second branch flow hole 234 and the base hole 235 in the branch passage 23, and since the diameter of the first branch flow hole 233 is larger than that of the second branch flow hole 234, the capillary tube 300 may be fixed in the branch passage 23 by a brazing process, and solder does not enter the base hole 235 and does not affect the flow rate of the refrigerant.

According to a third aspect of the embodiments of the present invention, there is provided an air conditioner, comprising the heat exchanging device mentioned in the above embodiments.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (11)

1. A distributor for a heat exchange apparatus, comprising:

the liquid inlet device comprises an inlet piece, a liquid inlet channel and a liquid outlet channel, wherein the liquid inlet channel is arranged inside the inlet piece and penetrates along the axial direction of the inlet piece; and

the outlet piece is provided with an accommodating cavity, and at least part of the inlet piece is arranged in the accommodating cavity;

the outlet piece comprises a reflecting surface and a plurality of flow dividing channels, the flow dividing channels are communicated with the liquid inlet channel, and the axis of each flow dividing channel and the axis of the outlet piece are arranged at an angle;

the plane of reflection with inlet channel's liquid outlet sets up relatively, just the plane of reflection covers the liquid outlet is in the projection of plane of reflection.

2. A distributor for a heat exchange unit according to claim 1, in which the distance between the plane of the outlet of the inlet channel and the bottom of the inlet of the dividing channel is in the range 0mm to 3mm.

3. The distributor of a heat exchange unit according to claim 1, wherein the inlet passage is stepped and has a larger bore diameter at the inlet than at the outlet.

4. A distributor of a heat exchange apparatus according to claim 3, wherein the liquid inlet channel comprises a connecting hole, a via hole and a jet hole which are connected in sequence and have decreasing aperture, wherein one end of the connecting hole is the liquid inlet.

5. A distributor of a heat exchange unit according to claim 4, in which the through-holes have a length in the axial direction in the range 3mm to 5mm.

6. The distributor of heat exchange unit according to claim 4, wherein the reflecting surface is conical, and the distance between the circumferential edge end of the reflecting surface and the corresponding edge end of the jet hole is in the range of 2mm to 10mm.

7. A distributor for a heat exchange unit according to claim 1, in which the distribution channels are stepped and have a smaller aperture at the inlet than at the outlet.

8. A distributor for a heat exchange unit according to claim 7, in which the dividing channel comprises first and second dividing apertures connected to one another and of decreasing aperture, one end of the first dividing aperture being the outlet location.

9. The distributor of the heat exchange device according to any one of claims 1 to 8, wherein an angle between an axis of the flow dividing channel and an axis of the outlet member is in a range of 15 degrees to 30 degrees.

10. A heat exchange device, comprising:

an input tube;

a capillary tube; and

a dispenser according to any one of claims 1 to 9, said inlet pipe being insertedly disposed within said inlet passage; the capillary is insertedly arranged in the flow dividing channel.

11. An air conditioner characterized by comprising the heat exchange device according to claim 10.

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