CN209100276U - A kind of fixed scroll and the compressor with it - Google Patents
A kind of fixed scroll and the compressor with it Download PDFInfo
- Publication number
- CN209100276U CN209100276U CN201821911139.1U CN201821911139U CN209100276U CN 209100276 U CN209100276 U CN 209100276U CN 201821911139 U CN201821911139 U CN 201821911139U CN 209100276 U CN209100276 U CN 209100276U
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- Prior art keywords
- connector
- fixed scroll
- connectedness
- compressor
- hole
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- 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.)
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- 230000004992 fission Effects 0.000 claims description 9
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 2
- 235000011613 Pinus brutia Nutrition 0.000 claims description 2
- 241000018646 Pinus brutia Species 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims description 2
- 238000005452 bending Methods 0.000 claims 2
- 239000003507 refrigerant Substances 0.000 abstract description 21
- 239000002184 metal Substances 0.000 abstract description 8
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 108091006146 Channels Proteins 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
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- 239000011800 void material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model discloses a kind of fixed scroll and with its compressor.The first connector, the second connector and the through flow hole being connected between the first connector and the second connector are provided in the fixed scroll.The compressor includes fixed scroll；First connectedness, including third connector and the 4th connector；Second connectedness, including the 5th connector and the 6th connector；Annular connectedness, including the 7th connector and notch.After part air-breathing flows through baffling mouth, the first connectedness, fixed scroll, the second connectedness, annular connectedness and the circulation groove of upper housing formation, have the function that reduce delivery temperature.The utility model opens up through flow hole in fixed scroll, it is guided by sheet metal component, air-breathing refrigerant is set effectively to pass through return port, the partial heat generated during compressor compresses refrigerant is taken away and is dissipated in outside air, so that compressor exhaust temperature reduces, compressor performance, reliability are promoted, while compressor range of operation can be expanded to a certain extent.
Description
Technical field
The utility model belongs to Compressor Technology field, and in particular to a kind of fixed scroll and the compressor with it.
Background technique
Screw compressor is with structure is simple, small in size, light weight, noise is low, mechanical efficiency is high and smooth running etc. is excellent
Point.For low pressure chamber screw compressor, in use, when operating condition is severe, compressor is compared with high pressure ratio operating condition
When lower work, compressor exhaust temperature can be higher, and higher delivery temperature can reduce compressor internal lubrication oil viscosity, Jin Erzao
Increase at operation power consumption, leads to the decline of compressor performance, while adversely affecting to compressor reliability.Especially in winter
When operation, compressor is under high pressure ratio always and works, and will cause the reduction of compressor performance and reliability.
Authorization Notice No. is that the utility model patent of 205315260 U of CN discloses a kind of cooling scroll compression of liquid
The scroll plate of machine, including Moving plate and fixed scroll；The Moving plate includes water-trough plate, shrouding disc, main shaft and torque-transmitting axle；The fixed scroll packet
Include water-trough plate, shrouding disc；The water-trough plate and shrouding disc are connected by screw to；The main shaft and torque-transmitting axle are air-cored axis；The master
Axis and torque-transmitting axle are mounted on Moving plate by bearing；The aquaporin of the water-trough plate is for helical form or in parallel；The liquid is water
Or coolant liquid.The utility model carries the cooling water hole that cooling trough sets one-in-and-one-out on cooling trough by vortex fixed scroll
Form circulation canal；Eddy spinner disk carries cooling trough and forms circulation canal by hollow eccentric shaft and hollow spindle, reaches cold
But the purpose to radiate.
Utility model content
Higher for compressor exhaust temperature under high pressure ratio operating condition, the technical issues of influencing compressor performance, this is practical new
Type provides a kind of fixed scroll, reduces the delivery temperature of compressor by opening up return port in the fixed scroll, is drawn by sheet metal component
It leads and refrigerant at the air entry of part is allowed to flow through through flow hole, the heat generated in refrigerant compression process is absorbed with air-breathing heat absorption, will inhale
The heat of receipts is dissipated in outside air, and then reduces the delivery temperature of compressor to a certain extent.
The utility model uses following technological means:
The utility model provides a kind of fixed scroll, and exhaust outlet, the first connector, the second connection are provided in the fixed scroll
Mouth and the through flow hole being connected between the first connector and the second connector.
Further, the quantity of the through flow hole is 2 or 4.
Further, the through flow hole includes the biggish books circulation hole of flow path and the lesser small recirculation hole of flow path.
Further, the books circulation hole and small recirculation hole are symmetrical arranged parallel.
Further, the through flow hole avoids exhaust outlet setting.
Further, the through flow hole to the curving far from exhaust outlet or bends setting.
Further, the books circulation hole and small recirculation hole are symmetrical arranged parallel.
Further, the fixed scroll is an integral structure, and the through flow hole is penetrated from the first connector of fixed scroll,
It is pierced by from the second connector of fixed scroll.
Further, the fixed scroll is split type structure, including fixed scroll is seperated, seperated and seal assembly, described
Seal assembly is set between fixed scroll fission and fission, and three's fastening is fixed scroll overall structure, is set on the seal assembly
It is equipped with escape port.
The utility model also provides a kind of compressor, including air inlet, main suction chamber, shell, gas pass through the air inlet
Mouth sucks in main suction chamber, the compressor further include:
Above-mentioned fixed scroll；
First connectedness, including third connector and the 4th connector, between the third connector and the 4th connector
Hollow channel is formed, the third connector is connected to the first connector of fixed scroll, the 4th connector and compressor
Air inlet connection；
Second connectedness, including the 5th connector and the 6th connector, between the 5th connector and the 6th connector
Hollow channel is formed, the 5th connector is connected to the second connector of fixed scroll, and the 6th connector is connected to annular
7th connector of part is connected to；
Annular connectedness, including the 7th connector and notch, annular connectedness are fixed on the shell of compressor, make annular
Through-flow slot is formed between connectedness and the shell of compressor, the notch is connected to main suction chamber.
Further, which further includes baffling mouth, is provided with opening and through-hole on the baffling mouth, and described first
4th connector of connectedness and the open communication, the side of the through-hole are connected to air inlet, the other side and main suction chamber
Connection.
Further, the annular connectedness is bent by conducting-heat elements with groove.
Further, the third connector Song Peilian on the first connector and the first connectedness in the fixed scroll
It is logical.
The utility model has the following beneficial effects:
When winter operation, compressor operation pressure ratio is bigger than normal, and operating condition is severe, and through flow hole is opened up in fixed scroll, passes through
Sheet metal component guidance, makes air-breathing refrigerant effectively pass through return port, and the partial heat generated during compressor compresses refrigerant is taken away
It is dissipated in outside air, so that compressor exhaust temperature reduces, promotes compressor performance, reliability, while can be to a certain degree
Upper expansion compressor range of operation.
Detailed description of the invention
Fig. 1 is screw compressor complete machine structure schematic diagram；
Fig. 2 is the fixed scroll side, sectional structure chart of embodiment one；
Fig. 3 is that the fixed scroll of embodiment one overlooks sectional structure chart；
Fig. 4 is the structural schematic diagram of annular connectedness；
Fig. 5 is the structural schematic diagram of baffling mouth；
Fig. 6 is the structural schematic diagram of the second connectedness；
Fig. 7 is fixed scroll, the assembling schematic diagram of the first connectedness and the second connectedness；
Fig. 8 is the fixed scroll assembling schematic diagram of embodiment two；
Fig. 9 is the structural schematic diagram of seal assembly.
Marked in the figure: 1, upper cover；2, demarcation plate；3, upper housing；4, cross slip-ring；5, support plate；6, upper bracket；7, electric
Machine；8, motor fixing frame；9, lower case；10, lower support ring；11, lower cover；12, lower bracket；13, lower bearing；14, crankshaft；15,
Rotor；16, eccentric bushing；17, movable orbiting scroll；18, fixed scroll；181, through whirlpool disk fission；182, seal assembly；1821, exhaust evacuation
Mouthful；1822, middle pressure escape port；1823, cotter way escape port；1824, screw escape port；183, seperated；1851, big through flow hole；
1852, small through flow hole；186, the first connector；187, the second connector；19, sealing cover；20, check-valves；21, the first connection
Part；211, third connector；212, the 4th connector；22, the second connectedness；221, the 5th connector；222, the 6th connector；
23, annular connectedness；231, the 7th connector；232, notch；24 through-flow slots；25, baffling mouth；251, it is open；252, through-hole.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
In order to solve under compressor high pressure ratio operating condition, the higher problem of bring row's temperature, avoid to compressor performance and
Reliability adversely affects, and the utility model proposes through flow hole is opened up in fixed scroll, part air-breathing is introduced the return port,
Cooled down with air-breathing refrigerant to refrigerant after compression, suction side refrigerant flows after passing through return port around compressor shell wall, by heat
It is dissipated to outside air, and then reduces delivery temperature, promote compressor performance, reliability, expands compressor range of operation.
The utility model the first connector, the second connector are set in fixed scroll and be connected to the first connector and
Through flow hole between second connector.When the fixed scroll is applied in compressor, which includes air inlet, main air-breathing
Chamber, shell, gas are sucked in main suction chamber by the air inlet, the compressor further include: fixed scroll；First connectedness, packet
Third connector and the 4th connector are included, forms hollow channel, the third between the third connector and the 4th connector
Connector is connected to the first connector of fixed scroll, and the 4th connector is connected to the air inlet of compressor；Second connectedness,
Including the 5th connector and the 6th connector, hollow channel is formed between the 5th connector and the 6th connector, described
Five connectors are connected to the second connector of fixed scroll, and the 6th connector is connected to the 7th connector of annular connectedness；
Annular connectedness, including the 7th connector and notch, annular connectedness are fixed on the shell of compressor, make annular connectedness and
Through-flow slot is formed between the shell of compressor, the notch is connected to main suction chamber.
The utility model opens up through flow hole in fixed scroll, is guided by sheet metal component, and air-breathing refrigerant is made effectively to pass through reflux
The partial heat generated during compressor compresses refrigerant is taken away and is dissipated in outside air, so that compressor exhaust temperature by hole
It reduces, promotes compressor performance, reliability, while compressor range of operation can be expanded to a certain extent.
Embodiment one
The present embodiment is described in detail by taking screw compressor as shown in Figure 1 as an example.
As shown in Figure 1, the screw compressor mainly includes that motor 7, upper bracket 6, lower bracket 12, fixed scroll 18 (are set thereon
Be equipped with exhaust outlet), movable orbiting scroll 17, rotor 15, cross slip-ring 4, crankshaft 14, lower support ring 10, lower bearing 13, lower cover 11 etc..Electricity
Machine 7 is fixed in lower case 9 by motor fixing frame 8, and upper bracket 6 is fixed on lower case 9 by interference fit and axial thrust
On.Movable orbiting scroll 17 and 18 carrier phase shift 180 degree of fixed scroll is opposed is mounted on upper bracket 6, drive of the movable orbiting scroll 17 in crankshaft 14
Dynamic lower movement, engages to form a series of mutually isolated and volume consecutive variations crescent closed containing cavities with fixed scroll 18.Sealing
Lid 19 is mounted on the back side of fixed scroll 18, and sealing cover 19 can axial floating and the formation sealing of demarcation plate 2 in compressor operation
Exhaust passage.It is to be noted that fixed scroll 18 has axial elasticity, can axial floating, it is quiet but in normal work
Whirlpool disk 18 is closely pressed on movable orbiting scroll 17 by axial gas forces in sealing cover 19 and the middle pressure chamber of 18 back side of fixed scroll formation, and is moved
Whirlpool disk 17 is closely pressed on upper bracket 6 due to the active force of effect and fixed scroll 18 by high pressure gas in compression chamber
In support plate 5, and support plate 5 is fixed by screws on upper bracket 6.Demarcation plate 2 and upper cover 1 are fixed by welding in upper housing
On 3, demarcation plate 2 and upper cover 1 form high pressure gas chamber, and upper housing 3 is fixed together by welding with lower case 9.
When compressor operation, motor 7 drives crankshaft 14 to rotate, and the crank section installation of crankshaft 14 has the bias of radial compliance
Set 16, eccentric bushing 16 drive movable orbiting scroll 17 to move, and under the anti-rotation limitation of cross slip-ring 4, movable orbiting scroll 17 surrounds crankshaft center
Translational motion is done with fixed radius.The moon that the refrigerant entered outside compressor is inhaled into movable orbiting scroll 17 and fixed scroll 18 is formed
In thread form suction chamber, by the gas vent of fixed scroll 18, the height that check-valves 20 enters upper cover 1 and demarcation plate 2 is formed after overcompression
It presses intracavitary, is then discharged through exhaust pipe.
The assembling structure of fixed scroll 18, the first connectedness 21 and the second connectedness 22 is as shown in Figure 7.Quiet whirlpool in the present embodiment
The structure of disk 18 is as shown in Figures 2 and 3.Through flow hole (the quantity of the through flow hole for avoiding exhaust outlet setting is opened up in fixed scroll 18
Preferably 2 or 4, further preferably as included parallel symmetrically arranged big through flow hole 1851 and small through flow hole in Fig. 3
1852, totally 4 through flow holes), the first connector 186 and the second connector 187, wherein the first connector 186 is connected to first
211 pine of third connector on part 21 is with connection, the 5th company of the second connector 187 and the second connectedness 22 (as shown in Figure 6)
The welding connection of interface 221, the first connectedness 21 and 22 inner hollow of the second connectedness form closing airflow path, the first connectedness
21 other ends are fixed by welding in the opening 251 of baffling mouth 25 (as shown in Figure 5), the opening 251 of baffling mouth 25 and first
4th connector 212 of connectedness 21 is connected to, to make the opening 251 of baffling mouth 25 and the internal void of the first connectedness 21
Divide perforation, the through-hole 252 of baffling mouth 25 is connected to air entry and main suction chamber.The structure of annular connectedness 23 is as shown in figure 4, thereon
Offer the 7th connector 231 and notch 232, the 6th connector 222 of the 7th connector 231 and the second connectedness 22 passes through weldering
It is connected together in succession, annular connectedness 23 is fixed together by welding with upper housing 3, forms through-flow slot 24 between.
For the heating conduction of enhancement device, the first connectedness 21, the second connectedness 22, annular connectedness 23, baffling mouth 25 can be with
It is made of the Heat Conduction Material for including sheet metal component.The utility model is not particularly limited the structure of through flow hole, any to can be achieved
The utility model aim is through-flow, and pore structure belongs to the protection scope of the utility model.
When screw compressor is run under low temperature high pressure ratio operating condition, when refrigerant passes through baffling mouth 25 at compressor air suction mouth,
Most of via through holes 252 flow into compression owner's air-breathing circuit, and fraction refrigerant is flowed by opening 251 through the first connectedness 21 quiet
The through flow hole (including big through flow hole 1851 and small through flow hole 1852) of whirlpool disk 18, refrigerant is in big through flow hole 1851 and small through flow hole
The heat that coolant transmission goes out after compression in the pump housing is absorbed in 1852, is cooled down to fixed scroll, and refrigerant connects by second after heat absorption
Interface 187 flows into the second connectedness 22, and after the second connectedness 22, refrigerant flows into annular connectedness 23 and upper housing 3 after heat absorption
In the circulation groove 24 of composition, in circulation groove 24, by the shell at annular connectedness 23, outwardly air dissipates refrigerant after heat absorption
Heat discharges the heat of absorption, after the refrigerant after heat dissipation is converged by the notch 232 on annular connectedness 23 with main air-breathing
Circulate compressor pump.In this way, reduce compressor exhaust temperature, so reach promoted compressor runnability,
Reliability and the purpose for expanding compressor range of operation.
Embodiment two
The present embodiment provides a kind of 18 structures of fixed scroll as shown in FIG. 8 and 9.
As shown in figure 8, in the present embodiment, being the same as example 1, part air-breathing flows through baffling mouth 25, the first connectedness
21, after the circulation groove 24 that fixed scroll 18, the second connectedness 22, annular connectedness 23 are formed with upper housing 3, reach reduction exhaust temperature
The effect of degree, details are not described herein again.Unlike, in the present embodiment, fixed scroll 18 is split type structure.1851 He of big through flow hole
Small through flow hole 1852 is by groove structure made of taking on fixed scroll fission 181, and the form of groove structure can be a variety of more
Sample, to be conducive to exchange heat, details are not described herein.Fixed scroll fission 181, fission 183 and seal assembly 182 are connected by bolt 184
Be connected together, assembly method as shown in figure 8, needed on seal assembly 182 open up exhaust escape port 1821, middle pressure escape port 1822,
Cotter way escape port 1823 and screw escape port 1824, concrete form is as shown in Figure 9.
In conclusion the utility model part air-breathing refrigerant is led to inside compressor by inner hollow sheet metal component it is quiet
Fixed scroll is cooled down in the through flow hole that is opened up on the disk of whirlpool, refrigerant passes through sheet metal component again and leads to annular sheet metal component and shell after heat absorption
In the through-flow slot of body composition, and then heat is dissipated by shell to outside air.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (12)
1. a kind of fixed scroll, which is characterized in that be provided in the fixed scroll exhaust outlet, the first connector, the second connector, with
And it is connected to the through flow hole between the first connector and the second connector.
2. a kind of fixed scroll according to claim 1, which is characterized in that the quantity of the through flow hole is 2 or 4.
3. a kind of fixed scroll according to claim 2, which is characterized in that the through flow hole includes the biggish books circulation of flow path
Hole and the lesser small recirculation hole of flow path.
4. a kind of fixed scroll according to claim 3, which is characterized in that the books circulation hole and small recirculation hole are symmetrical parallel
Setting.
5. a kind of fixed scroll according to claim 1, which is characterized in that the through flow hole avoids the exhaust outlet setting.
6. a kind of fixed scroll according to claim 5, which is characterized in that a lateral bending of the through flow hole to separate exhaust outlet
Bent or bending setting.
7. a kind of fixed scroll according to claim 1, which is characterized in that the fixed scroll is an integral structure, described logical
Discharge orifice is penetrated from the first connector of fixed scroll, is pierced by from the second connector of fixed scroll.
8. a kind of fixed scroll according to claim 1, which is characterized in that the fixed scroll is split type structure, including quiet
Whirlpool disk fission, seperated and seal assembly, the seal assembly are set between fixed scroll fission and fission, and three's fastening is quiet whirlpool
Disk overall structure is provided with escape port on the seal assembly.
9. a kind of compressor, including air inlet, main suction chamber, shell, gas is sucked in main suction chamber by the air inlet,
It is characterized in that, the compressor further include:
Fixed scroll described in any one of claim 1 to 8；
First connectedness, including third connector and the 4th connector, form between the third connector and the 4th connector
Hollow channel, the third connector are connected to the first connector of fixed scroll, the air inlet of the 4th connector and compressor
Mouth connection；
Second connectedness, including the 5th connector and the 6th connector are formed between the 5th connector and the 6th connector
Hollow channel, the 5th connector are connected to the second connector of fixed scroll, the 6th connector and annular connectedness
The connection of 7th connector；
Annular connectedness, including the 7th connector and notch, annular connectedness are fixed on the shell of compressor, make annular connection
Through-flow slot is formed between part and the shell of compressor, the notch is connected to main suction chamber.
10. a kind of compressor according to claim 9, which is characterized in that further include baffling mouth, be arranged on the baffling mouth
There are opening and through-hole, the 4th connector and the open communication, the side of the through-hole and air inlet of first connectedness
Connection, the other side is connected to main suction chamber.
11. a kind of compressor according to claim 9, which is characterized in that the annular connectedness is by with groove thermally conductive
Component flexes form.
12. a kind of compressor according to claim 9, which is characterized in that the first connector in the fixed scroll and
Third connector pine on one connectedness is with connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821911139.1U CN209100276U (en) | 2018-11-20 | 2018-11-20 | A kind of fixed scroll and the compressor with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821911139.1U CN209100276U (en) | 2018-11-20 | 2018-11-20 | A kind of fixed scroll and the compressor with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209100276U true CN209100276U (en) | 2019-07-12 |
Family
ID=67160601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821911139.1U Withdrawn - After Issue CN209100276U (en) | 2018-11-20 | 2018-11-20 | A kind of fixed scroll and the compressor with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209100276U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268271A (en) * | 2018-11-20 | 2019-01-25 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of fixed scroll and the compressor with it |
-
2018
- 2018-11-20 CN CN201821911139.1U patent/CN209100276U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268271A (en) * | 2018-11-20 | 2019-01-25 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of fixed scroll and the compressor with it |
| CN109268271B (en) * | 2018-11-20 | 2024-04-30 | 珠海格力节能环保制冷技术研究中心有限公司 | Fixed scroll and compressor with same |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190712 Effective date of abandoning: 20240430 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190712 Effective date of abandoning: 20240430 |