CN210602360U - Refrigerant flow divider, evaporator flow dividing assembly and air conditioner - Google Patents
Refrigerant flow divider, evaporator flow dividing assembly and air conditioner Download PDFInfo
- Publication number
- CN210602360U CN210602360U CN201921638506.XU CN201921638506U CN210602360U CN 210602360 U CN210602360 U CN 210602360U CN 201921638506 U CN201921638506 U CN 201921638506U CN 210602360 U CN210602360 U CN 210602360U
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- liquid inlet
- refrigerant
- flow divider
- liquid
- reposition
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- 239000003507 refrigerant Substances 0.000 title claims abstract description 66
- 239000007788 liquid Substances 0.000 claims abstract description 113
- 239000000758 substrate Substances 0.000 claims description 7
- 230000004907 flux Effects 0.000 abstract description 12
- 238000003466 welding Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 8
- 229910000679 solder Inorganic materials 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a refrigerant shunt, including base member and gasket, the inside inlet channel and a plurality of reposition of redundant personnel passageway that communicate each other that are equipped with of base member, the gasket sets up in inlet channel, and the gasket is equipped with the feed liquor hole. The liquid inlet channel comprises a liquid inlet cavity and a flow dividing cavity, the liquid inlet cavity is communicated with the flow dividing cavity through a liquid inlet hole, and the liquid passing surface area of the liquid inlet hole is smaller than that of the flow dividing cavity. The utility model discloses still provide evaporimeter reposition of redundant personnel subassembly and air conditioner including this refrigerant shunt. The utility model discloses a set up the gasket in the inlet channel of shunt, can prevent the solder flux to flow into the reposition of redundant personnel passageway through inlet channel in the welding feed liquor pipe process, effectively avoid the solder flux to block up the phenomenon of reposition of redundant personnel passageway to guarantee that the refrigerant can evenly reposition of redundant personnel after passing through the shunt; in addition, the gas-liquid two-phase refrigerant is throttled by the liquid inlet hole before being split, the liquid refrigerant is expanded, and the volume of gas in the refrigerant is increased to fill each split passage, so that the split flow of the refrigerant is more uniform.
Description
Technical Field
The utility model relates to a refrigeration plant technical field, in particular to refrigerant shunt, evaporimeter reposition of redundant personnel subassembly and air conditioner.
Background
The refrigerant flow divider is also called refrigerant distributor, it is an auxiliary equipment between expansion valve and evaporator in the refrigeration system, and its function is to uniformly and equivalently distribute the two-phase mixture of refrigerant from expansion valve to every coil pipe of evaporator. Specifically, a liquid inlet pipe is welded at a liquid inlet end of the refrigerant flow divider, the liquid inlet pipe is connected with a refrigerant input source, a capillary pipe is welded at a flow dividing end, and the other end of the capillary pipe is communicated with the evaporator. In the prior art, as shown in fig. 1, when an evaporator of an air conditioner distributes a plurality of flow paths, the flow paths are distributed by taking a three-way pipe as a flow divider, however, in the welding process of the three-way pipe and a liquid inlet pipe, flux easily flows into a flow dividing channel of the three-way pipe, and the flow dividing channel is blocked by the flux, so that the problem of uneven flow dividing of refrigerants of the flow paths in the evaporator is caused, and the phenomena of local overheating and local condensation of the evaporator are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a refrigerant shunt, evaporimeter reposition of redundant personnel subassembly and air conditioner, aim at solving among the prior art refrigerant shunt and feed liquor pipe welding process, flow into the reposition of redundant personnel passageway easily because of the solder flux, and arouse the uneven technical problem of reposition of redundant personnel.
In order to achieve the above object, the utility model provides a refrigerant shunt, including a refrigerant shunt, the refrigerant shunt includes:
the liquid inlet channel and the plurality of flow dividing channels are arranged in the base body, and the plurality of flow dividing channels are communicated with the liquid inlet channel;
the gasket is arranged in the liquid inlet channel and is provided with a liquid inlet hole; wherein, the inlet channel include with the feed liquor chamber that the inlet port of base member is connected with the reposition of redundant personnel chamber that reposition of redundant personnel passageway is connected, the gasket is located the feed liquor chamber with between the reposition of redundant personnel chamber, the feed liquor chamber with the reposition of redundant personnel chamber passes through feed liquor hole intercommunication, just the liquid level volume of crossing in feed liquor hole is less than the liquid level volume of crossing in reposition of redundant personnel chamber.
In one embodiment, the liquid inlet hole has a smaller excess liquid volume than the liquid inlet chamber.
In one embodiment, the height of the gasket ranges from 2 mm to 5mm, and the aperture of the liquid inlet hole ranges from 2 mm to 5 mm.
In one embodiment, the length of the liquid inlet cavity along the axial direction of the substrate is 10-30 mm.
In one embodiment, the length of the diversion cavity along the axial direction of the base body ranges from 0.5 mm to 10 mm.
In one embodiment, the side wall of the liquid inlet channel and the side wall of the flow dividing channel are both straight walls.
In an embodiment, the liquid inlet port of the liquid inlet channel and the port of the flow dividing channel are both flared.
In one embodiment, the included angle between the flow dividing channel and the axial line of the base body ranges from 15 degrees to 45 degrees.
The utility model also provides an evaporimeter reposition of redundant personnel subassembly, evaporimeter reposition of redundant personnel subassembly includes shunt, feed liquor pipe and a plurality of capillary, the feed liquor pipe with the feed liquor channel welding of shunt, it is a plurality of the capillary with the reposition of redundant personnel passageway one-to-one welding of shunt, the shunt does the shunt.
The utility model discloses still provide an air conditioner, install the evaporimeter of air conditioner evaporimeter reposition of redundant personnel subassembly.
The utility model provides a refrigerant shunt, including base member and gasket, the inside inlet channel and a plurality of reposition of redundant personnel passageway that communicate each other that are equipped with of base member, the gasket sets up in inlet channel, and the feed liquor hole has been seted up to the gasket. The liquid inlet channel comprises a liquid inlet cavity and a flow dividing cavity, the liquid inlet cavity is communicated with the flow dividing cavity through a liquid inlet hole, and the liquid passing area of the liquid inlet hole is smaller than that of the flow dividing cavity. The technical scheme of the utility model is that the gasket is arranged in the liquid inlet channel of the flow divider, so that the flux can be prevented from flowing into the flow dividing channel through the liquid inlet channel in the process of welding the liquid inlet pipe, and the phenomenon that the flux blocks the flow dividing channel is effectively avoided, thereby ensuring that the refrigerant can be uniformly divided after passing through the flow divider; in addition, a shunting cavity is arranged between the liquid inlet hole and the shunting channel at intervals, and the liquid passing area of the liquid inlet hole is smaller than that of the shunting cavity, so that a gas-liquid two-phase refrigerant is throttled by passing through the liquid inlet hole before shunting, the liquid refrigerant is expanded, the gas volume in the refrigerant is increased to fill each shunting channel, and the shunting of the refrigerant is more uniform.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a refrigerant flow divider in the prior art;
fig. 2 is a schematic structural view of a refrigerant flow divider according to an embodiment of the present invention;
fig. 3 is another schematic structural diagram of the refrigerant flow divider shown in fig. 2;
fig. 4 is a schematic structural view of the gasket of the refrigerant flow divider shown in fig. 2;
fig. 5 is a bottom view of the refrigerant flow divider shown in fig. 2.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) | |
| 1′ | Three- |
10′ | |
|
| 20 | Diversion pipeline | 30′ | |
|
| 1 | |
10 | |
|
| 20 | |
21 | |
|
| 22 | |
30 | |
|
| 40 | |
41 | Liquid inlet hole |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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 addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B" including either scheme A, or scheme B, or a scheme in which both A and B are satisfied. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The embodiment of the utility model provides a refrigerant shunt is proposed, it is right to combine fig. 2 to fig. 5 below the utility model discloses the refrigerant shunt of embodiment carries out the concrete explanation.
In an embodiment of the present invention, as shown in fig. 2, fig. 3 and fig. 5, the refrigerant flow divider 1 includes:
the liquid inlet device comprises a base body 10, wherein a liquid inlet channel 20 and a plurality of flow dividing channels 30 are arranged in the base body 10, and the flow dividing channels 30 are communicated with the liquid inlet channel 20;
the gasket 40 is arranged in the liquid inlet channel 20, and the gasket 40 is provided with a liquid inlet hole 41; wherein,
the inlet channel 20 include with the feed liquor chamber 21 that the inlet port of base member 10 is connected and with the reposition of redundant personnel chamber 22 that reposition of redundant personnel passageway 30 is connected, gasket 40 is located feed liquor chamber 21 with between the reposition of redundant personnel chamber 22, feed liquor chamber 21 with reposition of redundant personnel chamber 22 passes through feed liquor hole 41 intercommunication, just the liquid level volume of crossing of feed liquor hole 41 is less than the liquid level volume of crossing of reposition of redundant personnel chamber 22.
Specifically, the refrigerant flow divider is an auxiliary device between an expansion valve and an evaporator in the refrigeration system, and is used for uniformly and equivalently distributing a two-phase mixture of the refrigerant from the expansion valve to coils of the evaporator. The liquid inlet end of the refrigerant flow divider is welded with a liquid inlet pipe, the liquid inlet pipe is connected with a refrigerant input source, the flow dividing end is welded with a capillary tube, and the other end of the capillary tube is communicated with the evaporator. In the prior art, as shown in fig. 1, an evaporator of an air conditioner divides a refrigerant by using a three-way pipe 1 ' as a flow divider when distributing a plurality of flow paths, but in the welding process of a liquid inlet pipe 10 ' and a liquid inlet pipe 30 ' of the three-way pipe 1 ', a flux easily flows into a flow dividing pipe 20 ' of the three-way pipe 1 ', and the flow dividing pipe 20 ' is blocked by the flux, so that the problem of uneven flow division of the refrigerant of each flow path in the evaporator is caused, the evaporator is caused to have the phenomena of local overheating and local condensation, and the heat exchange efficiency of the evaporator is influenced.
In the technical scheme of the utility model, the gasket 40 is arranged in the liquid inlet channel 20 of the flow divider 1, so that the flux can be prevented from flowing into the flow dividing channel 30 through the liquid inlet channel 20 in the process of welding the liquid inlet pipe, and the phenomenon that the flow dividing channel 30 is blocked by the flux can be effectively avoided, thereby ensuring that the refrigerant can be uniformly divided after passing through the flow divider 1; in addition, the distributing cavity 22 is arranged between the liquid inlet hole 41 and the distributing channels 30 at intervals, and the liquid passing surface area of the liquid inlet hole 41 is smaller than that of the distributing cavity 22, so that the gas-liquid two-phase refrigerant passes through the liquid inlet hole 41 to be throttled before being distributed, the liquid refrigerant is expanded, the gas volume in the refrigerant is increased to fill each distributing channel 30, and the distribution of the refrigerant is more uniform.
Further, as shown in fig. 2 and 3, the liquid inlet hole 41 has a smaller overflow area than the liquid inlet chamber 21, and specifically, the aperture of the liquid inlet hole 41 is significantly smaller than the inner diameter of the liquid inlet chamber 21. It can be understood that, when installing the feed liquor pipe, insert the feed liquor pipe in feed liquor chamber 21 at first, until with gasket 40 butt, use the welding flux to weld the feed liquor pipe with the lateral wall of feed liquor chamber 21 again. The pipe diameter of the liquid inlet pipe is basically consistent with the inner diameter of the liquid inlet cavity 21, and the aperture of the liquid inlet hole 41 is obviously smaller than the inner diameter of the liquid inlet cavity 21, so the aperture of the liquid inlet hole 41 is also smaller than the pipe diameter of the liquid inlet pipe. Therefore, in the process that the refrigerant enters the interior of the flow divider, the refrigerant firstly passes through the liquid inlet pipe with larger liquid level area, and the refrigerant is favorably introduced into the flow divider; then, the refrigerant flows through the liquid passing hole with a small liquid passing area and then flows through the flow dividing cavity 22 with a large liquid surface area, so that the gas-liquid two-phase refrigerant is throttled before flow dividing, the liquid refrigerant is expanded, the volume of the gas refrigerant is increased to fill each flow dividing channel 30 (the gas refrigerant has high fluidity), and the flow dividing of the refrigerant is more uniform.
In one embodiment, as shown in FIGS. 3 and 4, the height d1 of the gasket 40 is in the range of 2-5 mm, and the diameter d2 of the liquid inlet 41 is in the range of 2-5 mm. Specifically, the spacer 40 may be made of the same material as the shunt 1, for example, brass, or may be made of other materials such as stainless steel. The height of the gasket 40 is the distance between the two end faces of the gasket 40, and the specific numerical value is measured by respectively clamping two movable measuring jaws of the vernier caliper on the two end faces of the gasket 40. The height of gasket 40, the aperture of feed liquor hole 41 all can influence the reposition of redundant personnel effect, and the aperture of feed liquor hole 41 is less in this embodiment, is favorable to throttling the refrigerant before the reposition of redundant personnel for it is more even to reposition of redundant personnel.
In one embodiment, as shown in FIG. 3, the length d3 of the liquid inlet chamber 21 along the axial direction of the substrate 10 is in the range of 10-30 mm. The liquid inlet end distance range of gasket 40 and shunt 1 is 10 ~ 30mm promptly, and this length scope can make the feed liquor pipe stable installation in feed liquor chamber 21, makes the volume of shunt not too big simultaneously. It should be noted that, when the liquid inlet pipe is installed in the liquid inlet chamber 21, it is necessary to ensure that the liquid inlet pipe is sealed with the liquid inlet chamber 21, and the liquid inlet pipe must be perpendicular to the gasket 40 to ensure the flow dividing effect.
In one embodiment, as shown in FIG. 3, the length d4 of the branch chamber 22 along the axial direction of the substrate 10 is in the range of 0.5-10 mm. Namely, the distance between the gasket 40 and the shunting channel 30 is 0.5-10 mm, and the distance can ensure that a better throttling and liquid separating effect is achieved, and the size of the shunt 1 is not increased due to too long distance.
Further, as shown in fig. 2 and 3, the side wall of the inlet passage 20 and the side wall of the branch passage 30 are straight walls. It can be understood that the liquid inlet channel 20 and the shunt channel 30 are both straight-line channels, and the inner wall scratches generated by the feeding and retracting of the machine tool in the process of machining the shunt 1 can be reduced, so that the shunt 1 is easier to machine, the reliability is higher, and the machining cost is lower. In addition, the straight-line channel is also beneficial to the smooth flowing of the refrigerant in the flow divider 1.
Further, the inlet port of the inlet channel 20 and the port of the branch channel 30 are both flared. Specifically, chamfers are arranged at the liquid inlet port of the liquid inlet channel 20 and the port of the shunt channel 30, so that the port of the shunt assembly pipeline is flared, the pipeline is easier to assemble, the infiltration of solder is facilitated, and the welding tightness of the shunt 1 with the liquid inlet pipe and the capillary is improved.
Furthermore, the included angle between the shunt channel 30 and the axial lead of the substrate 10 ranges from 15 degrees to 45 degrees. Specifically, the range of the included angle between the flow dividing channel 30 and the axial line of the substrate 10 varies according to the number of the flow dividing channels 30. Generally, the more the flow dividing channels 30 need to be arranged, the larger the included angle between the flow dividing channels 30 and the axial line of the substrate 10 is, the larger the volume of the flow divider 1 is, and the arrangement of the capillary 40' is not facilitated.
The embodiment also provides an evaporator shunting assembly, and this evaporator shunting assembly includes shunt 1, feed liquor pipe and a plurality of capillary, and the feed liquor pipe welds with the inlet channel 20 of shunt 1, and a plurality of capillaries welds with the reposition of redundant personnel passageway 30 one-to-one of shunt 1. The specific structure of the shunt 1 refers to the above-mentioned embodiment. Since the evaporator flow dividing assembly adopts all technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and no further description is given here.
The present embodiment also provides an air conditioner having an evaporator mounted with an evaporator shunt assembly including the shunt 1. For the specific structure of the shunt 1, refer to the above embodiments. Since the air conditioner adopts all technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and no further description is given here.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. The refrigerant flow divider, characterized in that, refrigerant flow divider includes:
the liquid inlet channel and the plurality of flow dividing channels are arranged in the base body, and the plurality of flow dividing channels are communicated with the liquid inlet channel;
the gasket is arranged in the liquid inlet channel and is provided with a liquid inlet hole; wherein,
the inlet channel include with the feed liquor chamber that the inlet port of base member is connected and with the reposition of redundant personnel chamber that reposition of redundant personnel passageway is connected, the gasket is located the feed liquor chamber with between the reposition of redundant personnel chamber, the feed liquor chamber with the reposition of redundant personnel chamber passes through feed liquor hole intercommunication, just the liquid level volume of crossing in feed liquor hole is less than the liquid level volume of crossing in reposition of redundant personnel chamber.
2. The refrigerant flow splitter as claimed in claim 1, wherein a liquid overflow area of the liquid inlet hole is smaller than a liquid overflow area of the liquid inlet chamber.
3. The refrigerant flow divider as claimed in claim 1, wherein the gasket has a height ranging from 2 to 5mm, and the liquid inlet hole has a diameter ranging from 2 to 5 mm.
4. The refrigerant flow divider as claimed in claim 1, wherein the length of the liquid inlet chamber along the axial direction of the substrate is 10 to 30 mm.
5. The refrigerant flow divider as claimed in claim 1, wherein the length of the flow dividing chamber along the axial direction of the base body is in a range of 0.5 to 10 mm.
6. The refrigerant flow divider as claimed in claim 1, wherein the side wall of the inlet channel and the side wall of the dividing channel are both straight walls.
7. The refrigerant flow divider as claimed in claim 1, wherein the inlet port of the inlet channel and the port of the flow dividing channel are both flared.
8. The refrigerant flow splitter as claimed in claim 1, wherein an angle between the flow dividing channel and the axial line of the base body is in a range of 15 ° to 45 °.
9. An evaporator flow divider assembly, the evaporator flow divider assembly includes a flow divider, a liquid inlet pipe and a plurality of capillaries, the liquid inlet pipe is welded with the liquid inlet channel of the flow divider, a plurality of capillaries are welded with the flow dividing channel of the flow divider in a one-to-one correspondence manner, characterized in that the flow divider is the flow divider according to any one of claims 1 to 8.
10. An air conditioner characterized in that an evaporator of the air conditioner is equipped with the evaporator shunt assembly as recited in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921638506.XU CN210602360U (en) | 2019-09-27 | 2019-09-27 | Refrigerant flow divider, evaporator flow dividing assembly and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921638506.XU CN210602360U (en) | 2019-09-27 | 2019-09-27 | Refrigerant flow divider, evaporator flow dividing assembly and air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN210602360U true CN210602360U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921638506.XU Active CN210602360U (en) | 2019-09-27 | 2019-09-27 | Refrigerant flow divider, evaporator flow dividing assembly and air conditioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023020054A1 (en) * | 2021-08-18 | 2023-02-23 | 广东美的制冷设备有限公司 | Distributor and air conditioner |
-
2019
- 2019-09-27 CN CN201921638506.XU patent/CN210602360U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023020054A1 (en) * | 2021-08-18 | 2023-02-23 | 广东美的制冷设备有限公司 | Distributor and air conditioner |
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