CN106705513A - Air conditioner and distributor thereof - Google Patents
Air conditioner and distributor thereof Download PDFInfo
- Publication number
- CN106705513A CN106705513A CN201710021345.9A CN201710021345A CN106705513A CN 106705513 A CN106705513 A CN 106705513A CN 201710021345 A CN201710021345 A CN 201710021345A CN 106705513 A CN106705513 A CN 106705513A
- Authority
- CN
- China
- Prior art keywords
- feed tube
- knockout
- throttle orifice
- isocon
- liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
Abstract
The invention discloses an air conditioner and a distributor thereof. The distributor used for the air conditioner comprises a distribution head with a distribution cavity defined, a liquid inlet pipe, and a plurality of distribution pipes, wherein the liquid inlet pipe is inserted into the distribution cavity from the bottom end of the distribution head, a plurality of throttling holes are formed in the peripheral wall of the liquid inlet pipe, and the top end of the liquid inlet pipe is sealed; the distribution pipes are inserted into the distribution cavity from the top end of the distribution head, and the distributor is arranged to make refrigerants in the liquid inlet pipe enter the distribution cavity after being throttled by the throttling holes and then be evenly distributed into the distribution pipes. The distributor can achieve the better even refrigerant distribution effect.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly to a kind of air-conditioning and its knockout.
Background technology
Knockout is the important component in Vapor Compression Refrigeration Cycle system, its be arranged on throttling arrangement and evaporator it
Between, for the refrigerant flowed out from throttling arrangement to be uniformly equally assigned in each branch flow passage of evaporator.
Existing air-conditioning uses venturi knockout mostly, and its liquid-dividing head is including an inlet opening and multiple and inlet opening in pre-
If acute angle goes out liquid inclined hole.Be limited to machining accuracy, it is multiple go out liquid inclined hole angle excursion between may produce it is larger inclined
Difference, causes there is larger difference into each refrigerant flow for going out liquid inclined hole, it is impossible to realize preferable uniform divided flows effect.
The content of the invention
The purpose of the present invention is intended to the drawbacks described above for overcoming prior art to exist, there is provided a kind of air-conditioning and its knockout, with
Reach more preferable refrigerant uniform divided flows effect.
It is of the invention further objective is that to carry out second throttle to refrigerant using throttle orifice, lift the refrigeration of air-conditioning
Amount.
On the one hand, the invention provides a kind of knockout for air-conditioning, including：
Define the liquid-dividing head of point sap cavity；
Feed tube, from the bottom insertion point sap cavity of liquid-dividing head, the perisporium of feed tube offers multiple throttle orifices, and feed tube
Top closure；With
Multiple isocons, from the top insertion point sap cavity of liquid-dividing head；And
Knockout is configured to make the refrigerant in feed tube to enter a point sap cavity, then uniform divided flows after being throttled through multiple throttle orifices
To multiple isocons.
Alternatively, each throttle orifice inclines extension gradually downward from feed tube interior, so that refrigerant is from throttling
Flow out diagonally downward in hole.
Alternatively, the axis of each throttle orifice is less than or equal to 45 ° with the angle of the axis of feed tube.
Alternatively, whole throttle orifices are divided into multiple row arrangement on the perisporium of feed tube, and the quantity of each row throttle orifice is identical；
Multiple row throttle orifice is uniform along the circumferential direction of feed tube；And each not phase of level height residing for the whole throttle orifices per adjacent two row
Together.
Alternatively, multiple isocons extend parallel to feed tube；And the axis of multiple isocons is distributed on one with feed liquor
Centered on the axis of pipe in the face of cylinder of axle.
Alternatively, the lower end of whole isocons is in sustained height position.
Alternatively, height and position residing for whole throttle orifices less than each isocon bottom residing for height and position.
Alternatively, liquid-dividing head includes：Circular top wall, is provided with multiple isocons thereon；Edge from circular top wall is downward
Vertically extending Upper cylindrical wall；Extended downwardly from the lower edge of Upper cylindrical wall and to the tapered frusto-conical wall in center；With from
The lower cylindrical wall that the lower edge of frusto-conical wall is extended downwardly, its outside for being enclosed within feed tube.
Alternatively, straight line where the axis of each throttle orifice intersects with frusto-conical wall, so that the system flowed out through throttle orifice
Cryogen sprays towards frusto-conical wall.
On the other hand, the invention provides a kind of air-conditioning, including knockout, knockout is point liquid described in any of the above
Device.
In knockout for air-conditioning of the invention, refrigerant enters a point liquid after being throttled through the throttle orifice on feed tube perisporium
Chamber, pressure reduction after sufficiently buffering is completed in point sap cavity, enters back into each isocon, can reach preferably uniform point
Stream effect.During the scheme that prior art refrigerant is directly entered that each goes out liquid inclined hole from inlet opening can be avoided, because each goes out liquid
The angular deviation of inclined hole and the uneven problem of the shunting that causes.In addition, after being throttled through throttle orifice because of refrigerant, temperature reduction,
The refrigeration dose-effect of air-conditioning is set to get a promotion.
Further, in the knockout for air-conditioning of the invention, throttle orifice from feed tube interior gradually downward
Incline and extend, refrigerant is flowed out diagonally downward with the entrance away from isocon from throttle orifice, so that refrigerant is through fully buffering
Flow into isocon again afterwards, obtain more preferable uniform divided flows effect.
According to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will be brighter
Of the invention above-mentioned and other purposes, advantages and features.
Brief description of the drawings
Describe some specific embodiments of the invention in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter.
Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that these
What accompanying drawing was not necessarily drawn to scale.In accompanying drawing：
Fig. 1 is the structural representation of knockout according to an embodiment of the invention；
Fig. 2 is the sectional view of knockout shown in Fig. 1.
Specific embodiment
The refrigerator of the embodiment of the present invention is described referring to Fig. 1 and Fig. 2, in the description of the embodiment of the present invention, " preceding ",
" afterwards ", " on ", D score, " top ", " bottom ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings
Or position relationship, it is for only for ease of the description present invention and simplifies description, rather than the device or element that indicate or imply meaning
With specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.
Fig. 1 is the structural representation of knockout according to an embodiment of the invention, and Fig. 2 is cuing open for knockout shown in Fig. 1
View.As depicted in figs. 1 and 2, the embodiment of the invention provides a kind of knockout for air-conditioning.Knockout includes liquid-dividing head
100th, feed tube 200 and multiple isocons 300.Wherein, point sap cavity 101 is defined in liquid-dividing head 100, feed tube 200 is from dividing
The bottom insertion point sap cavity 101 of liquid first 100 is simultaneously fixed on liquid-dividing head 100, and multiple isocons 300 are inserted from the top of liquid-dividing head 100
Enter point sap cavity 101 and be fixed on liquid-dividing head 100.The perisporium of feed tube 200 offers multiple throttle orifices 220, and feed tube 200
Top closure.Also, knockout is configured to make the refrigerant in feed tube 200 to enter a point liquid after being throttled through multiple throttle orifices 220
In chamber 101, then uniform divided flows to multiple isocons 300.
In the embodiment of the present invention, refrigerant enters a point sap cavity 101 after being throttled through the throttle orifice 220 on the perisporium of feed tube 200,
The pressure range of decrease is larger, after gas-liquid two-phase cold-producing medium completes sufficiently buffering in point sap cavity 101, enters back into each isocon 300,
More preferable uniform divided flows effect can be reached.
In the conventional venturi knockout of prior art, refrigerant is directly entered each and goes out liquid inclined hole from inlet opening, each
Go out liquid inclined hole angle easily because machining accuracy not enough produces relatively large deviation, so as to the problem for causing shunting uneven.And the present invention is real
Applying example can then avoid this problem from occurring.
In some embodiments of the invention, as shown in Fig. 2 each throttle orifice 220 from the interior of feed tube 200 gradually
Downward-sloping extension, so that refrigerant flows out diagonally downward from throttle orifice 220, so that refrigerant is flowed into again after fully buffering
Isocon 300, to obtain more preferable uniform divided flows effect.
The axis of each throttle orifice 220 should be as far as possible small with the angle theta (such as Fig. 2) of the axis of feed tube 200, to avoid as far as possible
The refrigerant flowed out at a high speed from throttle orifice 220 sprays to the entrance of isocon 300.Preferably, the axis and feed tube of throttle orifice 220
The angle of 200 axis is less than or equal to 45 °.
In some embodiments of the invention, liquid-dividing head 100 may include circular top wall 110, Upper cylindrical wall 120, truncated cone shape
Wall 130 and lower cylindrical wall 140.Wherein, foregoing multiple isocons 300, Upper cylindrical wall are installed in circular top wall 110
120 extend downwardly from the edge of circular top wall 110, frusto-conical wall 130 extended downwardly from the lower edge of Upper cylindrical wall 120 and to
Center is tapered, and lower cylindrical wall 140 is extended downwardly from the lower edge of frusto-conical wall 130, and lower cylindrical wall 140 is enclosed within feed tube
200 outside.In certain embodiments, such as Fig. 2, the lower end 240 of feed tube 200 can be made to be in inside lower cylindrical wall 130, with
Allow the end of external pipeline to be resisted against the lower end 240 of feed tube 200, be easy to carry out external pipeline spacing.In addition, can also make
Feed tube 200 and lower cylindrical wall 130 are formed in one structure, to simplify the manufacturing process of knockout.
It is preferred that the axis place straight line of each throttle orifice 220 is intersected with frusto-conical wall 130, so that through throttle orifice 220
The refrigerant of outflow sprays towards frusto-conical wall 130.Can so make refrigerant from after the outflow of throttle orifice 220, first touch truncated cone shape
Wall 130, is then flowing up again.Available buffer refrigerant flows out the pressure of moment from throttle orifice 220, makes after its pressure stability again
Flow upwardly into isocon 300.
In some embodiments of the invention, as shown in Fig. 2 whole throttle orifices 220 can be made to be drawn on the perisporium of feed tube 200
It is divided into multiple row arrangement, the quantity of each row throttle orifice 220 is identical, and makes multiple row throttle orifice 220 equal along the circumferential direction of feed tube 200
Cloth, and make the level height residing for the whole throttle orifices 220 per adjacent two row different.By arrangement above, can envoy
Discharge orifice 220 is more uniform in the distribution of the perisporium of feed tube 200, is easy to refrigerant equably to flow out feed tube 200.
In the alternate embodiment that some accompanying drawings are not illustrated, some throttle orifices 220 can be also opened up in circular top wall 110.
Preferably, arc transition can be used between circular top wall 110 and Upper cylindrical wall 120, to mitigate the office of refrigerant
Portion's flow losses.
In some embodiments of the invention, multiple isocons 300 extend each parallel to feed tube 200.For example, feed liquor can be made
Pipe 200 and multiple isocons 300 vertically extend, with the negative shadow that the gravity for eliminating refrigerant is produced to uniform divided flows
Ring.It is enhancing uniform divided flows effect, the axis of multiple isocons 300 is distributed on one with feed tube 200
Centered on axis in the face of cylinder of axle.
For the refrigerant for avoiding throttle orifice 220 from flowing out sprays to the generation loud noise of isocon 300 and makes the stream of refrigerant
It is dynamic more disorderly, tap hole 220 should be made away from isocon 300.Specifically, the distance between isocon 300 and feed tube 200 should
It is sufficiently large, both axis spacing is more than 7mm.In some embodiments of the invention, as shown in Fig. 2 isocon 300
The roof predeterminable range (such as larger than 10mm, to make its setting angle more consolidate) of point sap cavity 101 is stretched out in lower end, should now make
The lower end of whole isocons 300 is in sustained height position.And make height and position residing for whole throttle orifices 220 less than each point
Height and position residing for the bottom of flow tube 300.
In the alternate embodiment that some accompanying drawings are not illustrated, can also make the bottom of isocon 300 and the top of point sap cavity 101
Wall is concordant.
Another aspect of the present invention provides a kind of air-conditioning.Air-conditioning carries out freezing/making using vapor-compression refrigerant cycle system
Heat, compressor that it is connected using pipeline, condenser, throttling arrangement, described in evaporator and any of the above embodiment
Knockout.The connection throttling arrangement of feed tube 200 of knockout, each isocon 300 connects each branch flow passage of evaporator, with
The gas-liquid two-phase cold-producing medium uniform divided flows that will be flowed out from throttling arrangement lift changing for evaporator to each branch flow passage of evaporator
Hot property.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple of the invention and show
Example property embodiment, but, without departing from the spirit and scope of the present invention, still can be direct according to present disclosure
It is determined that or deriving many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all these other variations or modifications.
Claims (10)
1. a kind of knockout for air-conditioning, including：
Define the liquid-dividing head of point sap cavity；
Feed tube, from described point of sap cavity of bottom insertion of the liquid-dividing head, the perisporium of the feed tube offers multiple throttle orifices,
And the top closure of the feed tube；With
Multiple isocons, from described point of sap cavity of top insertion of the liquid-dividing head；And
The knockout is configured to make the refrigerant in the feed tube to enter described point of liquid after being throttled through the multiple throttle orifice
In chamber, then uniform divided flows to the multiple isocon.
2. knockout according to claim 1, wherein
Each described throttle orifice inclines extension gradually downward from the feed tube interior, so that refrigerant is from the throttling
Flow out diagonally downward in hole.
3. knockout according to claim 2, wherein
The axis of each throttle orifice is less than or equal to 45 ° with the angle of the axis of the feed tube.
4. knockout according to claim 1, wherein
All the throttle orifice is divided into multiple row arrangement on the perisporium of the feed tube, respectively arranges the quantity phase of the throttle orifice
Together；
Throttle orifice described in multiple row is uniform along the circumferential direction of the feed tube；And
The level height residing for whole throttle orifices per adjacent two row is different.
5. knockout according to claim 1, wherein
The multiple isocon extends parallel to the feed tube；And
The axis of the multiple isocon is distributed in a face of cylinder for the axle centered on the axis of the feed tube.
6. knockout according to claim 1, wherein
All the lower end of the isocon is in sustained height position.
7. knockout according to claim 1, wherein
All height and position residing for the throttle orifices less than each isocon bottom residing for height and position.
8. knockout according to claim 2, wherein the liquid-dividing head includes：
Circular top wall, is provided with the multiple isocon thereon；
From the Upper cylindrical wall of the downwardly vertical extension in the edge of the circular top wall；
Extended downwardly from the lower edge of the Upper cylindrical wall and to the tapered frusto-conical wall in center；With
From the lower cylindrical wall that the lower edge of the frusto-conical wall is extended downwardly, its outside for being enclosed within the feed tube.
9. knockout according to claim 8, wherein
Straight line where the axis of each throttle orifice intersects with the frusto-conical wall, so that the system flowed out through the throttle orifice
Cryogen sprays towards the frusto-conical wall.
10. a kind of air-conditioning, including knockout, the knockout is the knockout according to any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710021345.9A CN106705513A (en) | 2017-01-12 | 2017-01-12 | Air conditioner and distributor thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710021345.9A CN106705513A (en) | 2017-01-12 | 2017-01-12 | Air conditioner and distributor thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106705513A true CN106705513A (en) | 2017-05-24 |
Family
ID=58907324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710021345.9A Pending CN106705513A (en) | 2017-01-12 | 2017-01-12 | Air conditioner and distributor thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106705513A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940825A (en) * | 2017-12-19 | 2018-04-20 | 海信科龙电器股份有限公司 | Air conditioning distributor and air-conditioning |
| CN115210514A (en) * | 2020-03-03 | 2022-10-18 | 日本空调系统股份有限公司 | Refrigerant flow divider |
| WO2023029888A1 (en) * | 2021-09-02 | 2023-03-09 | 含山瑞可金属有限公司 | Liquid separator for refrigeration, and air conditioner |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02219965A (en) * | 1989-02-21 | 1990-09-03 | Matsushita Refrig Co Ltd | Flow divider |
| WO1991002931A1 (en) * | 1989-08-18 | 1991-03-07 | Matsushita Refrigeration Company | Flow diverter for refrigerant |
| CN101358787A (en) * | 2007-07-31 | 2009-02-04 | 朱俊生 | Refrigerant allocator for air conditioner |
| CN201225797Y (en) * | 2008-06-17 | 2009-04-22 | 海信（山东）空调有限公司 | Swirl separator for air conditioner and air conditioner equipped with the same |
| CN202501678U (en) * | 2012-04-17 | 2012-10-24 | 珠海格力电器股份有限公司 | Dispenser and air cooling heat pump unit with same |
| CN102878729A (en) * | 2011-07-12 | 2013-01-16 | 季德贵 | Refrigerant shunt head for heat pump |
| CN104596164A (en) * | 2013-11-01 | 2015-05-06 | 珠海格力电器股份有限公司 | Liquid separating device and air conditioner |
| CN104654678A (en) * | 2015-01-15 | 2015-05-27 | 华中科技大学 | Refrigerant dividing device with gas and liquid separation |
-
2017
- 2017-01-12 CN CN201710021345.9A patent/CN106705513A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02219965A (en) * | 1989-02-21 | 1990-09-03 | Matsushita Refrig Co Ltd | Flow divider |
| WO1991002931A1 (en) * | 1989-08-18 | 1991-03-07 | Matsushita Refrigeration Company | Flow diverter for refrigerant |
| CN101358787A (en) * | 2007-07-31 | 2009-02-04 | 朱俊生 | Refrigerant allocator for air conditioner |
| CN201225797Y (en) * | 2008-06-17 | 2009-04-22 | 海信（山东）空调有限公司 | Swirl separator for air conditioner and air conditioner equipped with the same |
| CN102878729A (en) * | 2011-07-12 | 2013-01-16 | 季德贵 | Refrigerant shunt head for heat pump |
| CN202501678U (en) * | 2012-04-17 | 2012-10-24 | 珠海格力电器股份有限公司 | Dispenser and air cooling heat pump unit with same |
| CN104596164A (en) * | 2013-11-01 | 2015-05-06 | 珠海格力电器股份有限公司 | Liquid separating device and air conditioner |
| CN104654678A (en) * | 2015-01-15 | 2015-05-27 | 华中科技大学 | Refrigerant dividing device with gas and liquid separation |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940825A (en) * | 2017-12-19 | 2018-04-20 | 海信科龙电器股份有限公司 | Air conditioning distributor and air-conditioning |
| CN115210514A (en) * | 2020-03-03 | 2022-10-18 | 日本空调系统股份有限公司 | Refrigerant flow divider |
| CN115210514B (en) * | 2020-03-03 | 2024-05-03 | 日本空调系统股份有限公司 | Refrigerant flow divider |
| WO2023029888A1 (en) * | 2021-09-02 | 2023-03-09 | 含山瑞可金属有限公司 | Liquid separator for refrigeration, and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |