CN106979637A - A kind of knockout filter screen bracket and knockout - Google Patents
A kind of knockout filter screen bracket and knockout Download PDFInfo
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- CN106979637A CN106979637A CN201710317585.3A CN201710317585A CN106979637A CN 106979637 A CN106979637 A CN 106979637A CN 201710317585 A CN201710317585 A CN 201710317585A CN 106979637 A CN106979637 A CN 106979637A
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- knockout
- rack body
- hole
- filter screen
- datum plane
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- 239000003507 refrigerant Substances 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000015572 biosynthetic process Effects 0.000 claims description 12
- 239000007788 liquid Substances 0.000 abstract description 53
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 10
- 239000002826 coolant Substances 0.000 description 5
- 230000003434 inspiratory effect Effects 0.000 description 5
- 230000010349 pulsation Effects 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 238000005247 gettering Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/006—Accumulators
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention is, on a kind of knockout filter screen bracket and knockout, to be related to Compressor Technology field.The technical scheme mainly used for：A kind of knockout filter screen bracket includes rack body；Wherein, first through hole is opened on rack body；Also, flow-guiding structure is provided with first through hole, for carrying out water conservancy diversion to liquid refrigerants.Wherein, first through hole datum plane projection along rack body circumferential direction extension；Also, first through hole is more than the length along rack body radial direction along the circumferential length of rack body in the projection of datum plane.Datum plane is the plane where the planar section of rack body upper surface.A kind of knockout includes above-mentioned knockout filter screen bracket.A kind of compressor includes above-mentioned knockout.Present invention is mainly used for the noise for improving point liquid energy power of knockout, extenuating pressure of inspiration(Pi) fluctuation, reduction knockout and compressor, the performance of compressor is lifted.
Description
Technical field
The present invention relates to a kind of Compressor Technology field, more particularly to a kind of knockout filter screen bracket and knockout.
Background technology
One knockout (also known as gas-liquid separator) is generally set on compressor, used in evaporator and compressor pump it
Between, separated with the gas-liquid mixed refrigerant of flash-pot in future, the gaseous coolant isolated enters is pressed in compresser cylinder
Contracting, the liquid refrigerants isolated is stored in the bottom of knockout.Therefore, the main function of knockout is to prevent liquid refrigerants direct
Into in compressor pump body, so as to prevent the phenomenon of a large amount of liquid hammers of compressor.
Filter screen bracket in knockout plays vital effect to point liquid energy power of knockout.Existing related point liquid
Device technology mainly has the filter screen bracket of following two types.A kind of filter screen bracket for being provided with multiple manholes.It is another to be
Filter screen bracket provided with multiple spherical punchings with guide functions.
Under some specific operating modes, heated after such as low frequency refrigeration or defrost, vaporizer side often accumulates more liquid
State refrigerant.Therefore, using above-mentioned filter screen bracket knockout at least there is a problem in that：
(1) filter screen stand with manhole is difficult to the refrigerant for efficiently separating gas-liquid two-phase so that point of knockout
Liquid energy power is low.Especially when compressor air suction mass dryness fraction is smaller, knockout is difficult to efficiently separate gas-liquid two-phase refrigerant.
(2) there is the spherical punching filter screen stand with guide functions, although point liquid energy power of knockout, but warp can be improved
The gas-liquid two-phase refrigerant for crossing water conservancy diversion is impacted to the wall of knockout, hybrid perturbation, easily produces noise and pressure of inspiration(Pi) arteries and veins
It is dynamic.
The content of the invention
In view of this, the present invention provides a kind of knockout filter screen bracket and knockout, and main purpose is improving a point liquid
While device point liquid energy power, it is to avoid refrigerant rushes at knockout side wall, so as to reduce noise, pressure of inspiration(Pi) pulsation is extenuated.
To reach above-mentioned purpose, present invention generally provides following technical scheme：
On the one hand, embodiments of the invention provide a kind of knockout filter screen bracket, wherein, knockout filter screen bracket includes：
Rack body；
First through hole, the first through hole is opened on the rack body；Also, water conservancy diversion is provided with the first through hole
Structure, for carrying out water conservancy diversion to liquid refrigerants；
Wherein, the first through hole datum plane projection along the rack body circumferential direction extension；Also,
The first through hole is more than along the rack body radial direction in the projection of datum plane along the circumferential length of rack body
Length.
Wherein, datum plane plane where the planar section of rack body upper surface.
The object of the invention to solve the technical problems can be also applied to the following technical measures to achieve further.
Preferably, the first through hole includes the first hole wall；Wherein,
First hole wall is arranged to the flow-guiding structure；Also, the upper end of first hole wall extends to the support
The upper surface of main body, the lower end of first hole wall is free end.
Preferably, the flow-guiding structure formation concave cambered surface；And/or
The upper end of first hole wall form that unclosed formula is circular, unclosed formula is oval or unclosed formula polygon in
It is any.
Preferably, when first hole wall formation concave cambered surface, the first hole wall lower end is in the datum plane
Straight line where the two ends of projection is first straight line；
The center and the first hole wall lower end that the rack body is projected in the datum plane are in the datum plane
The line at the midpoint at the two ends of projection is second straight line；
Wherein, the angle of the first straight line and second straight line is β；Wherein, -30 °≤β≤30 °.
Preferably, the angle β of the first straight line and second straight line is 0 °.
Preferably, when first hole wall formation concave cambered surface, the concave cambered surface has minimum point, and described
Minimum point is located at the lower end of first hole wall；
Wherein, the minimum point is projected as at first point in the datum plane；The first hole wall upper end have with
Described first point apart from most long second point；
Wherein, the angle of the second point and the line of minimum point and the datum plane is α；Wherein, 10 °≤α≤
60°。
Preferably, the angle α of the line and datum plane of the second point and minimum point is 30 °.
Preferably, at least one second through hole is additionally provided with the rack body, for making refrigerant pass through the support
Main body.
Preferably, the first through hole and the second through hole are along the rack body in the projection of the datum plane
It is circumferentially-spaced to set.
Preferably, the center position formation convex closure of the rack body.
On the other hand, the embodiment of the present invention also provides a kind of knockout, wherein, the knockout includes any of the above-described institute
The knockout filter screen bracket stated.
Preferably, the housing of the knockout is provided with exhaust outlet, and the exhaust outlet and is connected with gas exhaust piping；Its
In,
When the rack body of the knockout filter screen bracket is provided with convex closure, the circular arc chord length of the convex closure is more than described
The diameter of gas exhaust piping inlet end.
Preferably, the distance of the end face of the inlet end of the gas exhaust piping and datum plane is H；
A diameter of D of the rack body in the projection of the datum plane；
Wherein, 0.04≤H/D≤0.17.
Preferably, offered on the housing of the knockout on air entry, and the air entry and be connected with suction line；Its
In,
The end face of the outlet side of the suction line and the distance of datum plane are S；
A diameter of D of the rack body in the projection of the datum plane；
Wherein, 0.3≤S/D≤0.6.
Compared with prior art, knockout filter screen bracket of the invention and knockout at least have following beneficial effect：
The present embodiment provide knockout filter screen bracket by by the first through hole provided with flow-guiding structure in datum plane
Project and extend along the circumferential direction of rack body, when so making liquid refrigerants by first through hole, substantially along support
What main body circumferentially flowed downward, so as to avoid refrigerant from rushing at knockout side wall.Therefore, the knockout filter screen branch that the present embodiment is provided
Frame improves point liquid energy power of knockout, reduction noise, extenuates pressure of inspiration(Pi) pulsation.
Further, the present invention implements the part hole wall of first through hole being arranged to flow-guiding structure, without additionally mounted
Conducting element, so not only reduces cost, and be easy to processing.
Further, the embodiment of the present invention by flow-guiding structure by being arranged to concave cambered surface, to the water conservancy diversion of liquid refrigerants
Effect is good, and can prevent liquid refrigerants from impacting knockout wall well.
Further, knockout filter screen bracket provided in an embodiment of the present invention is setting the first through hole with flow-guiding structure
On the basis of, then a through hole without flow-guiding structure is set, lead in the gaseous coolant of knockout upper cavity and the liquid refrigerants of convergence
When crossing the second through hole and first through hole, the second through hole can effectively reduce inspiratory resistance, and first through hole can be subject to refrigerant liquid
Water conservancy diversion, improves the gas-liquid separation effect of knockout.Therefore, the knockout filter screen bracket that the present embodiment is provided can improve knockout
Gas-liquid separation ability, and effectively reduce knockout inspiratory resistance, extenuate pressure of inspiration(Pi) fluctuation.
Further, knockout filter screen bracket provided in an embodiment of the present invention puts down the second through hole and first through hole in benchmark
Face projection is provided at circumferentially spaced along rack body.By in this way, so that it is per share by first through hole water conservancy diversion obliquely
Refrigerant can import it is adjacent by the second through hole water conservancy diversion flow to vertically under refrigerant in, mitigate the refrigerant swash of wave to knockout barrel
Harm.
On the other hand, the embodiment of the present invention also provides a kind of knockout, wherein, the knockout includes above-mentioned knockout and filtered
Net support.Therefore, the knockout of the embodiment of the present invention has any of the above-described beneficial effect, does not repeat one by one herein.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Brief description of the drawings
Fig. 1 is a kind of structural representation for knockout that embodiments of the invention are provided；
Fig. 2 is a kind of sectional view for knockout filter screen bracket that embodiments of the invention are provided；
Fig. 3 is a kind of top view for knockout filter screen bracket that embodiments of the invention are provided.
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, to embodiment, structure, feature and its effect according to the present patent application, are described in detail such as
Afterwards.In the following description, what different " embodiment " or " embodiment " referred to is not necessarily same embodiment.In addition, one or more
Special characteristic, structure or feature in individual embodiment can be combined by any suitable form.
Embodiment 1
The present embodiment provides a kind of knockout filter screen bracket, as shown in Figures 2 and 3, the knockout filter screen branch of the present embodiment
Frame includes rack body 5 and first through hole 53.Wherein, first through hole 53 is opened on rack body 5；Also, first through hole 53
It is interior to be provided with flow-guiding structure 531, for carrying out water conservancy diversion to liquid refrigerants.Wherein, first through hole 53 datum plane projection along
The circumferential direction extension of rack body 5；Also, first through hole 53 datum plane projection along the circumferential length of rack body 5
Degree is more than length of the projection along the radial direction of rack body 5.
Wherein, the datum plane in the present embodiment and following embodiments is where the planar section of the upper surface of rack body 5
Plane (that is, the planar section of rack body upper end as shown in Figure 3 in addition to convex closure 51).
The present embodiment provide knockout filter screen bracket by by the first through hole 53 provided with flow-guiding structure in datum plane
Projection along rack body 5 circumferential direction extension, when so making liquid refrigerants by first through hole 53, substantially along
What the circumference of rack body 5 flowed downward (that is, makes refrigerant be as far as possible in the projection of datum plane in first through hole flow path
Along the circumferential of rack body), so as to avoid refrigerant from rushing at knockout side wall.Therefore, the knockout filter that the present embodiment is provided
Net support improves point liquid energy power of knockout, reduction noise, extenuates pressure of inspiration(Pi) pulsation.
Embodiment 2
It is preferred that the present embodiment provides a kind of knockout filter screen bracket, compared with a upper embodiment, such as Fig. 2 and Fig. 3 institutes
Show, the first through hole 53 in the present embodiment includes the first hole wall；Wherein, the first hole wall is arranged to flow-guiding structure 531.Also, the
The upper end of one hole wall extends to the upper surface of rack body 5, and the lower end of the first hole wall is free end.This implementation need to only lead to first
The part hole wall in hole 53 is arranged to flow-guiding structure 531, without additionally mounted conducting element, so not only reduces cost, Er Qiebian
In processing.
It is preferred that the first hole wall (flow-guiding structure 531) formation concave cambered surface.Here, by the way that flow-guiding structure is arranged to
Concave cambered surface, the water conservancy diversion effect to liquid refrigerants is good, and can prevent liquid refrigerants from impacting knockout wall well.Preferably
Ground, the first hole wall formation concave sphere.The upper end of first hole wall forms unclosed formula, and circular (including rule is circular, oval
Shape, irregular circle), unclosed formula is oval or any of unclosed formula polygon.
It is preferred that the hole wall of first through hole 53 also includes the second hole wall in addition to the first hole wall；Wherein, the second hole wall
Wall perpendicular to datum plane.
In addition, the forming method of the first through hole 53 of said structure is specific as follows：First through hole is in the upper of rack body 5
Carry out after strip gab (here, being not limited to bar shaped, or other shapes), entered by pressing equipment in opening side on end
Row is stamped to form, i.e., the hole wall of the side of rack body 5 is flow-guiding structure, and the shape of flow-guiding structure and recessed degree are by punching press object
Shape and punching press distance determine.
Embodiment 3
It is preferred that the present embodiment provides a kind of knockout filter screen bracket, compared with above-described embodiment, such as Fig. 2 and Fig. 3 institutes
Show, when flow-guiding structure 53 (the first hole wall) is arranged to concave cambered surface, concave cambered surface has minimum point, and minimum point is located at
The lower end (minimum point of arc dotted line as shown in Figure 2) of first hole wall.Minimum point is projected as at first point datum plane；The
One hole wall upper end has with first point apart from most long second point (peak of arc dotted line as shown in Figure 2).Second point
Scope with the line of minimum point and the angle α of datum plane is 10 ° -60 °.It is preferred that when the first hole wall formation concave ball
During face, any point of the first hole wall upper end is equal with first point of distance, first hole wall upper end any point and most
The line of low spot and the angle of datum plane are α.
It is preferred that the second point and the line of minimum point and the angle α of datum plane of the first hole wall upper end are preferably
30°.Here, if α angles are too small, effective air-breathing area of first through hole is small, causes inspiratory resistance big.If angle is too big,
Difficulty of processing is big, and water conservancy diversion effect is weak.And α is arranged on into 30 ° can improve gettering ability, water conservancy diversion effect can be improved again.
It is preferred that when flow-guiding structure 53 (the first hole wall) is arranged to concave cambered surface.As shown in figure 3, under the first hole wall
It is first straight line to hold the straight line where the two ends that datum plane is projected.The upper surface of rack body 5 is in the projection of datum plane
The line of the heart and the first hole wall lower end at the midpoint at the two ends of the projection of datum plane is second straight line.Wherein, first straight line and
The angle of second straight line is β；Wherein, -30 °≤β≤30 °.Here, by being arranged such, can ensure well logical by first
The liquid refrigerants in hole 53 will not flow towards knockout madial wall.Preferably, β is equal to 0 °.By in this way, to realize liquid
Flow path of the state refrigerant in first through hole 53 is substantially along the circumference side of rack body 5 in the projection of datum plane
To；So as to prevent liquid refrigerants from sucking blast pipe or get on the wall of knockout, point liquid effect of lifting knockout, and drop
Low noise.
Embodiment 4
The present embodiment provides a kind of knockout filter screen bracket, with knockout.As shown in Figures 2 and 3, rack body 5
On be additionally provided with the second through hole 52.Wherein, the second through hole 52 is at least one, for making refrigerant pass through rack body 5.
The present embodiment provide knockout filter screen bracket set with flow-guiding structure first through hole 53 on the basis of, then
One the second through hole 52 without flow-guiding structure is set.When the gaseous coolant of knockout upper cavity and the liquid refrigerants of convergence pass through second
When through hole 52 and first through hole 53, the second through hole 52 can effectively reduce inspiratory resistance, and first through hole 53 can add to refrigerant liquid
With water conservancy diversion, the gas-liquid separation effect of knockout is improved.Therefore, the knockout filter screen bracket that the present embodiment is provided can improve a point liquid
The gas-liquid separation ability of device, and knockout inspiratory resistance is effectively reduced, extenuate pressure of inspiration(Pi) fluctuation.
It is preferred that the present embodiment and the center position of following embodiment medium-height trestle main bodys 5 formation convex closure 51；With by liquid
Refrigerant water conservancy diversion enters in the second through hole 52 and first through hole 53 on rack body 5.
Embodiment 5
It is preferred that the present embodiment provides a kind of knockout filter screen bracket, compared with above-described embodiment, as described in Figure 3, this reality
It is multiple to apply the second through hole 52 in example, first through hole 53, and is evenly distributed on rack body.
It is preferred that the second through hole 52 and first through hole 53 are along between the circumference of rack body 5 in the projection of datum plane
Every setting.By in this way, so that the per share refrigerant by the water conservancy diversion of first through hole 53 obliquely can import it is adjacent by second
The water conservancy diversion of through hole 52 and in refrigerant under flowing to vertically, further mitigate harm of the refrigerant swash of wave to knockout barrel.
Embodiment 6
The present embodiment provides a kind of knockout, as shown in figure 1, the knockout of the present embodiment includes：Housing, suction line 2,
Knockout filter screen bracket (including rack body 5), screen pack described in gas exhaust piping, any of the above-described embodiment.Wherein, housing bag
Include upper shell 11, middle cylinder 12 and lower shell 13.Wherein, the upper end of upper shell 11 offers air entry, and suction line 2 connects
It is connected on air entry.The bottom of lower shell 13 offers exhaust outlet, and gas exhaust piping is connected on exhaust outlet.Gas exhaust piping includes
Exhaust straight tube 4 and exhaust elbow 3 in housing, wherein exhaust elbow 3 are connected with exhaust outlet.The lower end of exhaust straight tube 4 is set
There is 1-2 oil return opening 41.Suction line 2 and the material of exhaust elbow 3 are steel.
Operationally, refrigerant is from suction line 2 flows into knockout to air-conditioning equipment, exhaust straight tube 4 and screen modules (mistake
Filter screen and knockout filter screen bracket) cooperation liquid refrigerants is deposited to knockout bottom, and gaseous coolant is from exhaust straight tube 4
Inlet end enters in compressor pump, so as to prevent the phenomenon of liquid hammer compressor from occurring.Specifically, refrigerant first passes around air intake duct
In road 2, the upper chamber constituted into upper shell 11 and knockout filter screen bracket.Refrigerant enters after upper chamber, due to cross-sectional flow
Area increases suddenly, and refrigerant flow rate drops to very low.Gaseous coolant is sucked through screen pack 6 and rack body 5 by exhaust straight tube 4；
Most of liquid refrigerants is passed through rack body 5 again after the larger drop of screen pack 6 " capture " formation.
Research finds that less refrigerant flow rate and less liquid storage amount can significantly improve screen modules (mistake in upper chamber
Filter screen and knockout filter screen bracket) point liquid energy power, that is, increase diameter D and increase that rack body 5 project in datum plane
The outlet side end face of suction line 2 and datum plane apart from S.In order that refrigerant flow rate meets point liquid requirement and takes into account cost
In influence, the present embodiment preferably：0.3≤S/D≤0.6, more preferably S/D=0.34.
It is preferred that the circular arc chord length A of convex closure 51 is more than in the diameter B of exhaust straight tube 4, this case on rack body 5, preferably
Ground A/B=1.4.It is preferred that the suction end end face of exhaust straight tube 4 and the distance of datum plane are H (H too conference increase absorbing gas belts
The possibility of liquid, it is too small, cause loss of suction).0.04≤H/D≤0.17, preferably H/D=0.11, in this way, one can be entered
A point liquid energy power is ensure that to step, finally avoids absorbing gas belt liquid from endangering compressor and lifting system performance, while reducing noise.
In summary, the present embodiment provide knockout filter screen bracket by by the first through hole provided with flow-guiding structure in base
Circumferential direction extension of the projection of directrix plane along rack body, when so making liquid refrigerants by first through hole, substantially
Circumferentially flowed downward along rack body, so as to avoid refrigerant from rushing at knockout side wall.Therefore, point liquid that the present embodiment is provided
Device filter screen bracket improves point liquid energy power of knockout, reduction noise, extenuates pressure of inspiration(Pi) pulsation.
To sum up, it will be readily appreciated by those skilled in the art that on the premise of not conflicting, above-mentioned each advantageous manner can be certainly
Combined, be superimposed by ground.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, according to
Any simple modification, equivalent variations and the modification made according to the technical spirit of the present invention to above example, still fall within this hair
In the range of bright technical scheme.
Claims (14)
1. a kind of knockout filter screen bracket, it is characterised in that the knockout filter screen bracket includes：
Rack body；
First through hole, the first through hole is opened on the rack body；Also, water conservancy diversion knot is provided with the first through hole
Structure, for carrying out water conservancy diversion to refrigerant；
Wherein, the first through hole datum plane projection along the rack body circumferential direction extension；Also, it is described
First through hole is more than along the rack body radial direction in the projection of datum plane along the circumferential length of the rack body
Length；
Wherein, the datum plane is the plane where the planar section of rack body upper surface.
2. knockout filter screen bracket according to claim 1, it is characterised in that the first through hole includes the first hole wall；
Wherein,
First hole wall is arranged to the flow-guiding structure；Also, the upper end of first hole wall extends to the rack body
Upper surface, the lower end of first hole wall is free end.
3. knockout filter screen bracket according to claim 2, it is characterised in that the first hole wall formation concave arc
Face；And/or
The upper end of first hole wall formed unclosed formula circular, unclosed formula is oval or unclosed formula polygon in appoint
It is a kind of.
4. knockout filter screen bracket according to claim 3, it is characterised in that when first hole wall formation concave arc
During face, the first hole wall lower end straight line where the two ends that the datum plane is projected is first straight line；
The center and the first hole wall lower end that the rack body is projected in the datum plane are projected in the datum plane
Two ends midpoint line be second straight line；
Wherein, the angle of the first straight line and second straight line is β；Wherein, -30 °≤β≤30 °.
5. knockout filter screen bracket according to claim 4, it is characterised in that the folder of the first straight line and second straight line
Angle beta is 0 °.
6. knockout filter screen bracket according to claim 3, it is characterised in that when first hole wall formation concave arc
During face, the concave cambered surface has minimum point, and the minimum point is located at the lower end of first hole wall；
Wherein, the minimum point is projected as at first point in the datum plane；The first hole wall upper end have with it is described
First point apart from most long second point；
Wherein, the angle of the second point and the line of minimum point and the datum plane is α；Wherein, 10 °≤α≤60 °.
7. knockout filter screen bracket according to claim 6, it is characterised in that the second point and the line of minimum point with
The angle α of the datum plane is 30 °.
8. the knockout filter screen bracket according to claim any one of 1-7, it is characterised in that also opened on the rack body
Provided with least one the second through hole, for making refrigerant pass through the rack body.
9. knockout filter screen bracket according to claim 8, it is characterised in that the first through hole and the second through hole are in institute
The projection for stating datum plane is the circumferentially-spaced setting along the rack body.
10. the knockout filter screen bracket according to claim any one of 1-9, it is characterised in that in the rack body
Convex closure is formed at heart position.
11. a kind of knockout, it is characterised in that the knockout includes the knockout filter screen described in claim any one of 1-10
Support.
12. knockout according to claim 11, it is characterised in that the housing of the knockout is provided with exhaust outlet, and
Gas exhaust piping is connected with the exhaust outlet；Wherein,
When the rack body of the knockout filter screen bracket is provided with convex closure, the circular arc chord length of the convex closure is more than the exhaust
The diameter of pipeline inlet end.
13. knockout according to claim 12, it is characterised in that
The distance of the end face of the inlet end of the gas exhaust piping and the datum plane is H；
A diameter of D of the rack body in the projection of the datum plane；
Wherein, 0.04≤H/D≤0.17.
14. knockout according to claim 11, it is characterised in that offer air entry on the housing of the knockout,
And it is connected with suction line on the air entry；Wherein,
The distance of the end face of the outlet side of the suction line and the datum plane is S；
A diameter of D of the rack body in the projection of the datum plane；
Wherein, 0.3≤S/D≤0.6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710317585.3A CN106979637A (en) | 2017-05-08 | 2017-05-08 | A kind of knockout filter screen bracket and knockout |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710317585.3A CN106979637A (en) | 2017-05-08 | 2017-05-08 | A kind of knockout filter screen bracket and knockout |
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|---|---|
| CN106979637A true CN106979637A (en) | 2017-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710317585.3A Pending CN106979637A (en) | 2017-05-08 | 2017-05-08 | A kind of knockout filter screen bracket and knockout |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218747A (en) * | 2017-07-27 | 2017-09-29 | 安徽美芝精密制造有限公司 | Reservoir and the compressor with it |
| CN114234500A (en) * | 2021-12-24 | 2022-03-25 | 珠海格力电器股份有限公司 | Liquid separator filter screen support and liquid separator |
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| JP2003227486A (en) * | 2002-02-04 | 2003-08-15 | Toshiba Kyaria Kk | Double cylinder rotary compressor |
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| CN206037515U (en) * | 2016-08-26 | 2017-03-22 | 广东美芝精密制造有限公司 | A compressor that is used for reservoir of compressor and has it |
| CN206847142U (en) * | 2017-05-08 | 2018-01-05 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of knockout filter screen bracket and knockout |
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| CN201529463U (en) * | 2009-10-10 | 2010-07-21 | 珠海格力电器股份有限公司 | Gas-liquid separator and compressor comprising same |
| CN204313548U (en) * | 2014-12-08 | 2015-05-06 | 广东美芝制冷设备有限公司 | For reservoir and the rotary compressor of rotary compressor |
| CN204535213U (en) * | 2015-03-05 | 2015-08-05 | 盾安（芜湖）中元自控有限公司 | A kind of Novel liquid receiver |
| CN204830609U (en) * | 2015-07-24 | 2015-12-02 | 珠海凌达压缩机有限公司 | Gas -liquid separation and have its air conditioner |
| CN105865099A (en) * | 2016-05-11 | 2016-08-17 | 珠海凌达压缩机有限公司 | Knockout and air-conditioning system with same |
| CN206037515U (en) * | 2016-08-26 | 2017-03-22 | 广东美芝精密制造有限公司 | A compressor that is used for reservoir of compressor and has it |
| CN106322866A (en) * | 2016-11-08 | 2017-01-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Liquid dispenser filter screen assembly and liquid dispenser |
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| CN107218747A (en) * | 2017-07-27 | 2017-09-29 | 安徽美芝精密制造有限公司 | Reservoir and the compressor with it |
| CN114234500A (en) * | 2021-12-24 | 2022-03-25 | 珠海格力电器股份有限公司 | Liquid separator filter screen support and liquid separator |
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