CN107288889A - The increasing enthalpy structure and screw compressor of compressor - Google Patents
The increasing enthalpy structure and screw compressor of compressor Download PDFInfo
- Publication number
- CN107288889A CN107288889A CN201710555356.5A CN201710555356A CN107288889A CN 107288889 A CN107288889 A CN 107288889A CN 201710555356 A CN201710555356 A CN 201710555356A CN 107288889 A CN107288889 A CN 107288889A
- Authority
- CN
- China
- Prior art keywords
- increasing enthalpy
- valve block
- passage
- compressor
- compression chamber
- 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
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
- F04C29/124—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps
- F04C29/126—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps of the non-return type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The present invention provides the increasing enthalpy structure and screw compressor of a kind of compressor, and compressor includes：Cylinder body with compression chamber, the increasing enthalpy structure of compressor includes：Including valve block, increasing enthalpy passage is provided with cylinder body, one end of increasing enthalpy passage is connected on compression chamber, and the other end is refrigerant upstream end；Valve block is arranged in increasing enthalpy passage, when the pressure in compression chamber is more than the pressure of refrigerant upstream end, valve block can prevent the refrigerant in compression chamber from being flowed out by increasing enthalpy passage outside cylinder body, when the pressure in compression chamber is less than the pressure of refrigerant upstream end, valve block can allow for refrigerant and enter compression chamber by increasing enthalpy passage.The present invention can reduce the clearance volume of compressor, and then improve the operating efficiency of compressor, while also having reasonable in design, simple in construction, the advantage easily made.
Description
Technical field
The present invention relates to refrigeration technology field, the increasing enthalpy structure and screw compressor of more particularly to a kind of compressor.
Background technology
At present, the Gas-supplying enthalpy-increasing structure of compressor, which is utilized on the cylinder body of compressor, sets increasing enthalpy passage to lead to
Road, the increasing enthalpy passage is connected by non-return structure with external refrigerant source, to realize when carrying out Gas-supplying enthalpy-increasing to compressor, only
Return device conducting makes refrigerant enter the compression chamber of compressor by increasing enthalpy passage, when not carrying out Gas-supplying enthalpy-increasing to compressor, stops
Return device closes to prevent the high-pressure refrigerant in compression chamber from overflowing.Check device of the prior art is provided in increasing enthalpy and led to
Outside road passage, so there is that clearance volume is larger, and then influence the shortcoming of compressor operating efficiency.
The content of the invention
It is a primary object of the present invention to provide the increasing enthalpy structure and screw compressor of a kind of compressor, it can reduce pressure
The clearance volume of contracting machine, and then improve the operating efficiency of compressor.
The invention provides a kind of increasing enthalpy structure of compressor, the compressor includes the cylinder body with compression chamber；It is described
The increasing enthalpy structure of compressor includes：Including valve block, increasing enthalpy passage is provided with the cylinder body, one end of the increasing enthalpy passage connects
Lead on the compression chamber, the other end is refrigerant upstream end；
The valve block is arranged in the increasing enthalpy passage, when the pressure in the compression chamber is more than the refrigerant upstream end
During pressure, the valve block can prevent the refrigerant in the compression chamber from being flowed out by the increasing enthalpy passage outside the cylinder body, when
When pressure in the compression chamber is less than the pressure of the refrigerant upstream end, the valve block can allow for refrigerant and pass through the increasing enthalpy
Passage enters the compression chamber.
More preferably, in addition to increasing enthalpy pipe；
The increasing enthalpy pipe has the first connection end and the second connection end, and first connection end is connected to the refrigerant and entered
Refrigerant is accessed in end, second connection end, enables refrigerant via the increasing enthalpy pipe, enters the pressure by the increasing enthalpy passage
Contracting intracavitary；
When the pressure in the compression chamber is more than the pressure in the increasing enthalpy pipe, the valve block can close described first
The port of connection end, when the pressure in the compression chamber is less than the pressure in the increasing enthalpy pipe, the valve block can open institute
State the port of the first connection end.
More preferably, the valve block can do first from the port for covering first connection end in the increasing enthalpy passage
Reciprocating motion of the position to the second place of the port away from first connection end.
More preferably, first connection end of the increasing enthalpy pipe is stretched into the increasing enthalpy passage.
More preferably, seal member is provided between the inwall of the outer wall of the increasing enthalpy pipe and the increasing enthalpy passage, to seal
The gap closed between the increasing enthalpy pipe and the increasing enthalpy passage.
More preferably, the cross sectional shape of the increasing enthalpy passage is circle, and the valve block is the interior of diameter and the increasing enthalpy passage
The valve block, the section of rectangle can will be cut into along plane where the axis of the increasing enthalpy passage by the cylinder that footpath matches
Shape, cornerwise length of the rectangle is more than the diameter of the increasing enthalpy passage.
More preferably, the thickness of the valve block is 1 to 1.5mm.
More preferably, it is provided with least one breach at the edge of the valve block, the breach and the increasing enthalpy passage
Formed between inwall and can allow for the first circulation passage that refrigerant flows through.
More preferably, when the increasing enthalpy structure of the compressor includes increasing enthalpy pipe, the breach to the valve block center is most
Small distance is more than the radius of the port of first connection end.
More preferably, tangent plane is set in the week side of boss of the valve block, to form the breach.
More preferably, the cross sectional shape of the breach is fan annular.
More preferably, the quantity of the breach is two or more, and is uniformly arranged along the circumference of the valve block.
More preferably, the increasing enthalpy passage includes：Interconnected first through hole and the second through hole, the first through hole pass through
Second through hole is connected with the compression chamber；
The diameter of the first through hole is more than the diameter of second through hole, makes the first through hole and second through hole
Between formed annular step surface,
The valve block is arranged in the first through hole, and projection is provided with the step surface, when the valve block is to institute
When stating the motion of step surface direction, the projection can stop the valve block, to make shape between the valve block and the step surface
Into gap.
More preferably, the raised quantity is two or more, and the circumferentially uniform laying on the step surface.
More preferably, when the valve block sets breach, the minimum range for being raised to the first through hole axis is less than
The breach to the valve block center minimum range.
More preferably, it is described raised to there is gap between the inwall of the first through hole.
More preferably, when the valve block sets breach, the ultimate range for being raised to the first through hole axis is less than
Or equal to the minimum range of the breach to the valve block center.
Another aspect of the invention provides a kind of screw compressor, includes the increasing enthalpy knot of the compressor of any of the above technical characteristic
Structure, the increasing enthalpy passage is arranged on the fixed scroll of the screw compressor.
The increasing enthalpy structure of the compressor of the offer of the present invention, is arranged in the increasing enthalpy passage using the valve block, works as institute
When stating pressure in compression chamber and being more than the pressure of the refrigerant upstream end, the valve block can prevent the refrigerant in the compression chamber
Flowed out by the increasing enthalpy passage outside the cylinder body, when the pressure in the compression chamber is less than the pressure of the refrigerant upstream end
When, the valve block can allow for the technical scheme that refrigerant enters the compression chamber by the increasing enthalpy passage, can reduce compression
The clearance volume of machine, and then the operating efficiency of raising compressor, at the same also with reasonable in design, it is simple in construction, easily make
Advantage.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the present invention, this hair
Bright schematic description and description is used to explain the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the example structure schematic diagram of increasing enthalpy structure one of the compressor of the present invention；
Fig. 2 is that the increasing enthalpy structure of the compressor of the present invention opens increasing enthalpy view；
Fig. 3 is that the increasing enthalpy structure of the compressor of the present invention does not open increasing enthalpy view；
Fig. 4 is the first form schematic diagram of Fig. 1 middle valve plates；
Fig. 5 is Fig. 4 left view；
Fig. 6 is second of form schematic diagram of Fig. 1 middle valve plates；
Fig. 7 is the first raised set-up mode schematic diagram in Fig. 2 or Fig. 3；
Fig. 8 is raised second of set-up mode schematic diagram in Fig. 2 or Fig. 3；
Fig. 9 is the raised corresponding states schematic diagram in valve block and Fig. 7 in Fig. 4；
Figure 10 is the raised corresponding states schematic diagram in valve block and Fig. 8 in Fig. 6.
In figure：1st, cylinder body；11st, compression chamber；2nd, valve block；21st, breach；3rd, increasing enthalpy pipe；31st, the first connection end；4th, increasing enthalpy is led to
Road；41st, first through hole；42nd, the second through hole；43rd, step surface；44th, it is raised；5th, seal member；A, breach to valve block center most
Small distance；B, valve block section rectangle catercorner length；C, throttle slice thickness；D, increasing enthalpy pipe end port radius；E, be raised to first lead to
The minimum range of axially bored line；F, the ultimate range for being raised to first through hole axis.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and
Technical solution of the present invention is clearly and completely described corresponding accompanying drawing.Obviously, described embodiment is only the present invention one
Section Example, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under the premise of creative work, belong to the scope of protection of the invention.
As shown in Figure 1, 2, 3, a kind of increasing enthalpy structure of compressor, the compressor includes the cylinder body 1 with compression chamber 11.Should
The increasing enthalpy structure of compressor includes valve block 2, increasing enthalpy passage 4 is provided with cylinder body 1, one end connection of increasing enthalpy passage 4 is in compression
On chamber 11, the other end is refrigerant upstream end (not shown).Valve block 2 is arranged in increasing enthalpy passage 4, the pressure in compression chamber 11
More than refrigerant upstream end pressure when, valve block 2 can prevent refrigerant in compression chamber 11 by increasing enthalpy passage 4 flow out cylinder body 1 it
Outside, when the pressure in compression chamber 11 is less than the pressure of refrigerant upstream end, valve block 2 can allow for refrigerant and be entered by increasing enthalpy passage 4
Enter compression chamber 11.
Valve block 2 is arranged on to the inside of increasing enthalpy passage 4, the volume of itself can be formed by valve block 2 in increasing enthalpy passage 4
Occupying for portion's volume, can reduce the clearance volume of compressor, and then improve the operating efficiency of compressor, simultaneously because to increasing enthalpy
The non-return work of passage is completed simply by this part of valve block 2 so that the increasing enthalpy structure has simple in construction, easy system
Make, advantage with low cost.
Specifically, in addition to：Increasing enthalpy pipe 3, increasing enthalpy pipe 3 has the first connection end 31 and the second connection end (not shown),
First connection end 31 correspondence is connected on refrigerant upstream end, the second connection end access refrigerant (being for example connected in shwoot system),
Enable refrigerant via increasing enthalpy pipe 3, entered by increasing enthalpy passage 4 in compression chamber 11.Valve block 2 is arranged in increasing enthalpy passage 4, works as pressure
When pressure in contracting chamber 11 is more than the pressure in increasing enthalpy pipe 3, valve block 2 can close the port of the first connection end 31, prevent compression
Refrigerant adverse current in chamber 11 is into increasing enthalpy pipe 3, when the pressure in compression chamber 11 is less than the pressure in increasing enthalpy pipe 3, the energy of valve block 2
The port of the first connection end 31 is enough opened, can now enable end of the refrigerant in increasing enthalpy pipe 3 by the first connection end 31
Mouth enters in compression chamber 11, and Gas-supplying enthalpy-increasing is carried out to compressor to realize.
Specifically, valve block 2 can do the first position from the port of the first connection end 31 of covering to remote in increasing enthalpy passage 4
From the reciprocating motion of the second place of the port of the first connection end 31.When the pressure in compression chamber 11 is more than the pressure in increasing enthalpy pipe 3
During power, it can be made by the effect of the pressure in compression chamber 11, valve block 2 moves to the port that can cover the first connection end 31
First position, and by the difference of pressure interior in compression chamber 11 and the pressure in increasing enthalpy pipe 3, valve block 2 is overlayed and connected first
Make valve block 2 by the port closed of the first connection end 31 on the end face for connecing end 31.It should be noted that in actual fabrication, it is necessary to
End face and the flatness and surface extra coarse degree of the end face of the first connection end 31 that guarantee valve block 2 and first connection end 31 is overlayed, with
Ensure the seal between the end face of the connection end 31 of valve block 2 and first.When needing to carry out Gas-supplying enthalpy-increasing to compression chamber 11, refrigeration
Agent flows to compression chamber 11 out of increasing enthalpy pipe 3, and now the pressure in compression chamber 11 is less than the pressure in increasing enthalpy pipe 3, and now valve block 2 exists
Pressure-driven valve block 2 in increasing enthalpy pipe 3 move to the second place of the port away from the first connection end 31, makes the opening of valve block 2 the
The port of one connection end 31, at this moment the refrigerant in increasing enthalpy pipe 3 increasing enthalpy passage can be entered by the port of the first connection end 31
4, and then compression chamber 11 is flowed to, complete as compressor Gas-supplying enthalpy-increasing.
Further, the first connection end of increasing enthalpy pipe 3 is stretched into increasing enthalpy passage 4, and the outer wall and increasing enthalpy of increasing enthalpy pipe 3 lead to
Seal member 5 is provided between the inwall in road 4, to close the gap between increasing enthalpy pipe 3 and increasing enthalpy passage 4.It can so lead to
The partial volume for occupying increasing enthalpy passage 4 of the increasing enthalpy pipe 3 stretched into increasing enthalpy passage 4 is crossed, becomes the distance of valve block 2 and compression chamber 11
Closer to further reducing the clearance volume of compressor.It can also realize that increasing enthalpy pipe 3 is tightly connected with increasing enthalpy passage 4 simultaneously,
Prevent refrigerant from being oozed out from gap therebetween.Specifically, seal member 5 is annular, along week on the inwall of increasing enthalpy passage 4
To fluted (figure is to show) is set, seal member 5 is arranged in groove, and is set on increasing enthalpy pipe 3.So it ensure that close
Seal the fastness that part 5 is installed, it is ensured that sealing effectiveness.
As a kind of embodiment, the cross sectional shape of increasing enthalpy passage 4 is circle, and valve block 2 is diameter and increasing enthalpy passage 4
The cylinder that internal diameter matches, as shown in figure 5, valve block 2 can be cut into rectangle along plane where the axis of increasing enthalpy passage 4
Cross sectional shape, cornerwise length b of the rectangle is more than the diameter of increasing enthalpy passage 4.It can so prevent valve block 2 in increasing enthalpy passage
Occurs the inside turned on one's side and be stuck in increasing enthalpy passage 4 in 4.Specifically, the thickness c of valve block 2 can be 1 to 1.5mm.
Can be that gap coordinates between its middle valve plate 2 and the inwall of increasing enthalpy passage 4, gap therebetween can be unilateral
0.01 to 0.015mm, to ensure that valve block smooth can be run in increasing enthalpy passage 4.
Further, at least one breach 21 is provided with the edge of valve block 2, makes the interior of breach 21 and increasing enthalpy passage 4
Formed between wall and can allow for the first circulation passage (figure is to show) that refrigerant flows through, the minimum of breach 21 to the center of valve block 2
It is more than the radius d of the port of the first connection end 31 apart from a.Using such technical scheme, when refrigerant is from the first connection end 31
Port enter increasing enthalpy passage 4 after, the first circulation passage stream can be formed between the inwall of breach 21 and increasing enthalpy passage 4
Cross, and enter compression chamber, it is necessary to which explanation, the net sectional area of the first circulation passage can be more than first in actual fabrication
The area of the port of connection end 31, to ensure the circulation efficiency of refrigerant.When the increasing enthalpy structure of the compressor includes increasing enthalpy pipe 3
When, the minimum range a of breach 21 to the center of valve block 2 is more than the radius d of the port of the first connection end 31, can be covered in valve block 2
When on the port of the first connection end 31, it is to avoid breach 21 is overlapping with the port of the first connection end 31, it is ensured that 2 pair of first company of valve block
Connect effective covering of the port at end 31.
In the present embodiment with two kinds of valve block 2 can preferred form of this set-up mode of breach 21 is introduced
The first form, as shown in figure 4, the week side of boss in valve block 2 sets tangent plane, to form breach 21.So make valve block 2
Making becomes simpler convenience.Specifically, the quantity of breach 21 can be two as shown in FIG., and be symmetrical arranged.Second
The form of kind, as shown in fig. 6, at the edge of valve block 2 cross sectional shape can be set to be the breach 21 of fan annular, it is scarce in actual fabrication
The quantity of mouth 21 can be two or more, and be uniformly arranged along the circumference of valve block 2, and the quantity of breach 21 shown in figure is four
It is individual.It should be noted that the concrete structure of valve block 21, however it is not limited to both the above mode, it would however also be possible to employ other any one
The mode of goal of the invention can be realized.
As a kind of embodiment, as shown in Figure 2,3, increasing enthalpy passage 4 includes：First for being coaxially disposed and being interconnected
The through hole 42 of through hole 41 and second, first through hole 41 is connected by the second through hole 42 with compression chamber 11, and the diameter of first through hole 41 is big
In the diameter of the second through hole 42, make the step surface 43 of formation annular between the through hole 42 of first through hole 41 and second, valve block 2 is set
In first through hole 41, projection 44, when valve block 2 is moved to the direction of step surface 43, raised 44 energy are provided with step surface 43
Enough stop valve block 2, to make to form gap between valve block 2 and step surface 43.It can so prevent valve block 2 from covering the second through hole 42
Lid, and influence the Gas-supplying enthalpy-increasing of compressor to work.
More preferably, the quantity of projection 44 is two or more, and the circumferentially uniform laying on step surface 43.
It is introduced in the present embodiment with two kinds of optional set-up modes of projection 44
The first set-up mode of projection 44, as shown in fig. 7, projection 44 can be connected with the inwall of first through hole 41, has
Body is in use, when valve block 2 sets breach 21, such as when valve block 2 is using the first previously described form, valve block 2 with it is raised
Corresponding states between 44 is as shown in figure 9, projection 44 is less than breach into valve block 2 to the minimum range e of the axis of first through hole 41
The minimum range a of the heart.So ensure that raised 44 pairs of valve blocks 2 form reliable stop, now valve block 2 and adjacent two it is convex
Rise 44 and step surface 43 be collectively forming and can allow for the second circulation passage (not shown) that refrigerant passes through, during increasing enthalpy tonifying Qi,
Refrigerant can pass sequentially through the first circulation passage, and the second circulation passage, into compression chamber 11.It is in actual fabrication
The net sectional area of one circulation passage can be more than the area of the port of the first connection end 31, be imitated with the circulation for ensureing refrigerant
Rate.
Second of set-up mode of projection 44, as shown in figure 8, there is seam between projection 44 and the inwall of first through hole 41
Gap.It can so be formed between projection 44 and the inwall of first through hole 41 and can allow for the 3rd circulation passage that refrigerant passes through
(not shown).During increasing enthalpy tonifying Qi, refrigerant can pass sequentially through the first circulation passage and the 3rd circulation passage enters compression chamber
In 11.The net sectional area of its 3rd circulation passage in actual fabrication can be more than the area of the port of the first connection end 31,
To ensure the circulation efficiency of refrigerant.
Specifically, when valve block 2 sets breach 21, such as when valve block 2 is using the first previously described form, such as Figure 10
Shown, the maximum f distances of projection 44 to the axis of first through hole 41 are less than or equal to breach 21 to the minimum range a at the center of valve block 2.
Another aspect of the invention provides a kind of screw compressor, including the increasing enthalpy structure described by above example, increasing enthalpy
Passage 4 is arranged on the fixed scroll of the screw compressor.
Above example enables the invention to reduce the clearance volume of compressor, and then the operating efficiency of raising compressor,
Also there is reasonable in design, simple in construction, the advantage easily made simultaneously.
Embodiments of the invention are the foregoing is only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should be included within scope of the presently claimed invention.
Claims (18)
1. a kind of increasing enthalpy structure of compressor, the compressor includes：Cylinder body (1) with compression chamber (11), it is characterised in that：
The increasing enthalpy structure of the compressor includes valve block (2), and increasing enthalpy passage (4), the increasing enthalpy are provided with the cylinder body (1)
One end of passage (4) is connected on the compression chamber (11), and the other end is refrigerant upstream end；
The valve block (2) is arranged in the increasing enthalpy passage (4), when the pressure in the compression chamber (11) enters more than the refrigerant
When entering the pressure at end, the valve block (2) can prevent the refrigerant in the compression chamber (11) from being flowed out by the increasing enthalpy passage (4)
Outside the cylinder body (1), when the pressure in the compression chamber (11) is less than the pressure of the refrigerant upstream end, the valve block
(2) it can allow for refrigerant and the compression chamber (11) entered by the increasing enthalpy passage (4).
2. the increasing enthalpy structure of compressor according to claim 1, it is characterised in that：
Also include increasing enthalpy pipe (3)；
The increasing enthalpy pipe (3) has the first connection end (31) and the second connection end, and first connection end (31) is connected to described
On refrigerant upstream end, refrigerant is accessed in second connection end, enables refrigerant via the increasing enthalpy pipe (3), passes through the increasing enthalpy
Passage (4) enters in the compression chamber (11)；
When the pressure in the compression chamber (11) is more than the pressure in the increasing enthalpy pipe (3), the valve block (2) can close institute
The port of the first connection end (31) is stated, when the pressure in the compression chamber (11) is less than the pressure in the increasing enthalpy pipe (3), institute
The port of first connection end (31) can be opened by stating valve block (2).
3. the increasing enthalpy structure of compressor according to claim 2, it is characterised in that：
The valve block (2) can do first from the port for covering first connection end (31) in the increasing enthalpy passage (4)
Reciprocating motion of the position to the second place of the port away from first connection end (31).
4. the increasing enthalpy structure of compressor according to claim 2, it is characterised in that：
First connection end (31) of the increasing enthalpy pipe (3) is stretched into the increasing enthalpy passage (4).
5. the increasing enthalpy structure of compressor according to claim 4, it is characterised in that：
Seal member (5) is provided between the outer wall of the increasing enthalpy pipe (3) and the inwall of the increasing enthalpy passage (4), to close
Gap between the increasing enthalpy pipe (3) and the increasing enthalpy passage (4).
6. the increasing enthalpy structure of the compressor according to claim 1 to 5 any one, it is characterised in that：
The cross sectional shape of the increasing enthalpy passage (4) is circle, and the valve block (2) is diameter and the internal diameter of the increasing enthalpy passage (4)
The valve block (2), cutting for rectangle can be cut into along plane where the axis of the increasing enthalpy passage (4) by the cylinder matched
Face shape, cornerwise length (b) of the rectangle is more than the diameter of the increasing enthalpy passage (4).
7. the increasing enthalpy structure of compressor according to claim 6, it is characterised in that：
The thickness (c) of the valve block (2) is 1 to 1.5mm.
8. the increasing enthalpy structure of compressor according to claim 6, it is characterised in that：
It is provided with least one breach (21) at the edge of the valve block (2), the breach (21) and the increasing enthalpy passage (4)
Inwall between formed can allow for the first circulation passage that refrigerant flows through.
9. the increasing enthalpy structure of compressor according to claim 8, it is characterised in that：
When the increasing enthalpy structure of the compressor includes increasing enthalpy pipe (3), the minimum of the breach (21) to the valve block (2) center
Distance (a) is more than the radius (d) of the port of first connection end (31).
10. the increasing enthalpy structure of compressor according to claim 9, it is characterised in that：
Tangent plane is set in the week side of boss of the valve block (2), to form the breach (21).
11. the increasing enthalpy structure of compressor according to claim 9, it is characterised in that：
The cross sectional shape of the breach (21) is fan annular.
12. the increasing enthalpy structure of compressor according to claim 9, it is characterised in that：
The quantity of the breach (21) is two or more, and is uniformly arranged along the circumference of the valve block (2).
13. the increasing enthalpy structure of the compressor according to claim 1 to 5 any one, it is characterised in that：
The increasing enthalpy passage (4) includes：Interconnected first through hole (41) and the second through hole (42), the first through hole (41)
Connected by second through hole (42) with the compression chamber (11)；
The diameter of the first through hole (41) is more than the diameter of second through hole (42), makes the first through hole (41) and described
The step surface (43) of annular is formed between second through hole (42),
The valve block (2) is arranged in the first through hole (41), and raised (44) are provided with the step surface (43), work as institute
State valve block (2) to the step surface (43) direction move when, it is described projection (44) valve block (2) can be stopped, to make
State and form gap between valve block (2) and the step surface (43).
14. the increasing enthalpy structure of compressor according to claim 13, it is characterised in that：
The quantity of the projection (44) is two or more, and the circumferentially uniform laying on the step surface (43).
15. the increasing enthalpy structure of compressor according to claim 13, it is characterised in that：
When the valve block (2) sets breach (21), the minimum range of the projection (44) to the first through hole (41) axis
(e) it is less than the breach (21) to the minimum range (a) at the valve block (2) center.
16. the increasing enthalpy structure of compressor according to claim 13, it is characterised in that：
There is gap between the projection (44) and the inwall of the first through hole (41).
17. the increasing enthalpy structure of compressor according to claim 16, it is characterised in that：
When the valve block (2) sets breach (21), the ultimate range of the projection (44) to the first through hole (41) axis
(f) it is less than or equal to the breach (21) to the minimum range (a) at the valve block (2) center.
18. a kind of screw compressor, it is characterised in that：
Increasing enthalpy structure including the compressor described in any one in claim 1 to 17, the increasing enthalpy passage is arranged on described
On the fixed scroll of screw compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710555356.5A CN107288889A (en) | 2017-07-10 | 2017-07-10 | The increasing enthalpy structure and screw compressor of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710555356.5A CN107288889A (en) | 2017-07-10 | 2017-07-10 | The increasing enthalpy structure and screw compressor of compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107288889A true CN107288889A (en) | 2017-10-24 |
Family
ID=60101279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710555356.5A Pending CN107288889A (en) | 2017-07-10 | 2017-07-10 | The increasing enthalpy structure and screw compressor of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107288889A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963425A (en) * | 2020-08-31 | 2020-11-20 | 广东美芝制冷设备有限公司 | Static scroll assembly, scroll compressor and refrigeration equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0343691A (en) * | 1989-07-07 | 1991-02-25 | Mitsubishi Electric Corp | Scroll compressor |
| JPH11107950A (en) * | 1997-10-06 | 1999-04-20 | Matsushita Electric Ind Co Ltd | Injection device of compressor |
| CN1800646A (en) * | 2005-01-06 | 2006-07-12 | Lg电子株式会社 | Apparatus for preventing gas reflux of vortex compressor |
| CN104279783A (en) * | 2013-07-03 | 2015-01-14 | 日立空调·家用电器株式会社 | Refrigeration cycle |
| WO2016137003A1 (en) * | 2015-02-27 | 2016-09-01 | ダイキン工業株式会社 | Compressor |
| CN207297378U (en) * | 2017-07-10 | 2018-05-01 | 珠海格力节能环保制冷技术研究中心有限公司 | The increasing enthalpy structure and screw compressor of compressor |
-
2017
- 2017-07-10 CN CN201710555356.5A patent/CN107288889A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0343691A (en) * | 1989-07-07 | 1991-02-25 | Mitsubishi Electric Corp | Scroll compressor |
| JPH11107950A (en) * | 1997-10-06 | 1999-04-20 | Matsushita Electric Ind Co Ltd | Injection device of compressor |
| CN1800646A (en) * | 2005-01-06 | 2006-07-12 | Lg电子株式会社 | Apparatus for preventing gas reflux of vortex compressor |
| CN104279783A (en) * | 2013-07-03 | 2015-01-14 | 日立空调·家用电器株式会社 | Refrigeration cycle |
| WO2016137003A1 (en) * | 2015-02-27 | 2016-09-01 | ダイキン工業株式会社 | Compressor |
| CN207297378U (en) * | 2017-07-10 | 2018-05-01 | 珠海格力节能环保制冷技术研究中心有限公司 | The increasing enthalpy structure and screw compressor of compressor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963425A (en) * | 2020-08-31 | 2020-11-20 | 广东美芝制冷设备有限公司 | Static scroll assembly, scroll compressor and refrigeration equipment |
| WO2022041562A1 (en) * | 2020-08-31 | 2022-03-03 | 广东美芝制冷设备有限公司 | Fixed scroll plate assembly, scroll compressor and refrigeration device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103362807B (en) | Compressor, the air conditioning system with this compressor and heat pump water heater system | |
| CN105221421B (en) | Compressor and air conditioner | |
| CN107191347A (en) | Reciprocating compressor with steam injected system | |
| CN108644093B (en) | A kind of hydraulic drive air compressor | |
| CN106247004A (en) | Throttling arrangement and air-conditioner | |
| CN107288889A (en) | The increasing enthalpy structure and screw compressor of compressor | |
| CN207297378U (en) | The increasing enthalpy structure and screw compressor of compressor | |
| CN104632626A (en) | Two-stage enthalpy-increasing rotor compressor and air conditioner | |
| CN105466088B (en) | Heating power expansion valve and heat pump system with the heating power expansion valve | |
| CN107939683A (en) | Compressor and refrigeration system | |
| WO2019029264A1 (en) | Rotor compressor having air supply structure and compression method | |
| CN105443385B (en) | Two-stage enthalpy-increase compressor and air conditioner | |
| CN204025052U (en) | Two-stage enthalpy increasing rotor-type compressor and air conditioner | |
| CN209147515U (en) | Throttling set and air-conditioner set | |
| CN106122010A (en) | Screw compressor and refrigeration plant | |
| CN206386273U (en) | Compressor | |
| CN106438374B (en) | Compressor and air conditioner with same | |
| CN107191375A (en) | Compression mechanism and refrigeration plant | |
| CN216812091U (en) | Compression cylinder, compressor and refrigeration plant | |
| CN105386979A (en) | Compressor pump body and compressor provided with same | |
| CN206771824U (en) | Cast injector and refrigeration system | |
| CN107387794A (en) | Piston type pneumatic control big flow on-off valve | |
| CN203962392U (en) | Rolling rotor type compressor and there is its air conditioner | |
| CN205533204U (en) | Quiet whirlpool dish subassembly and scroll compressor | |
| CN206770209U (en) | Pump assembly, compressor and air-conditioning system |
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 |
Application publication date: 20171024 |
|
| RJ01 | Rejection of invention patent application after publication |