CN208203567U - A kind of novel scroll compressor - Google Patents
A kind of novel scroll compressor Download PDFInfo
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- CN208203567U CN208203567U CN201820663532.7U CN201820663532U CN208203567U CN 208203567 U CN208203567 U CN 208203567U CN 201820663532 U CN201820663532 U CN 201820663532U CN 208203567 U CN208203567 U CN 208203567U
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- circular bulkheads
- compression mechanism
- scroll
- block
- accommodating cavity
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Abstract
The utility model discloses a kind of novel scroll compressors, including shell, upper end cover, lower cover, the first compression mechanism, the second compression mechanism, cooling system；The cooling system includes the first circular bulkheads, the second circular bulkheads and several radiating fins, the first circular bulkheads side wall is fixedly connected by bolt with the upper end cover inner wall, the second circular bulkheads side wall is fixedly connected by bolt with the lower cover inner wall, and several radiating fins are evenly distributed on first circular bulkheads and the second circular bulkheads outer surface.First compression mechanism is different with the dynamic and static whirlpool disk size of the second compression mechanism, and the output of three kinds of different refrigerating capacitys can be achieved in the opening and closing of cooperation support frame overhead gage.Cooling sap cavity is arranged in upper and lower end caps simultaneously can be effectively reduced high pressure chest temperature by coolant liquid, to avoid expanding after compression refrigerant is heated.
Description
Technical field
The utility model relates to compressor fields, and in particular to a kind of scroll compressor.
Background technique
Screw compressor is widely used in automobile since it has many advantages, such as that energy-efficient, noise is lower, runs smoothly
In industry.Screw compressor is mainly formed by the dynamic and static vortex of two digamma function equation scrollworks is mutually ratcheting.Air-breathing, compression,
During exhaust work, fixed scroll is fixed on the rack, and movable orbiting scroll is driven by crankshaft and restricted by anti-rotation mechanism, surrounds quiet whirlpool
The Plane Rotation of very little radius is done at disk basic circle center, and gas sucks the periphery of fixed scroll, and with the rotation of eccentric shaft, gas is dynamic
Quiet disk engagement is closed gradually to be compressed in several composed crescent compression chambers, then by the axial hole of fixed scroll central module
Continuously send.
At work, the high speed rotation of movable orbiting scroll can generate amount of heat to screw compressor so that compressed refrigerant by
Thermal expansion, to influence the compression efficiency of compressor.Also, it is needed to change the refrigerating capacity of screw compressor to adapt to different operating
It asks, usually selects digital-code type screw compressor or DC frequency-changing formula screw compressor.And digital-code type screw compressor is frequently being opened
It is easy to cause the excessive wear of whirlpool disk when closing, the compressor service life is caused to greatly shorten.DC frequency-changing formula screw compressor cost compared with
Height need to additionally configure frequency-variable controller.
Utility model content
Based on problem and deficiency described in background technique, the utility model is intended to provide a kind of novel scroll compressor,
It can be needed according to different operating and change discharge capacity, and there is cooling system, compression refrigerant can be effectively prevented from and sent out because heated
Raw expansion.
In order to achieve the above objectives, the utility model uses following technical scheme:
A kind of novel scroll compressor, it is characterised in that: the screw compressor includes shell, upper end cover, lower cover,
One compression mechanism, the second compression mechanism, cooling system；First compression mechanism includes the first fixed scroll, the first movable orbiting scroll, institute
It states and offers first row stomata at the top of the first movable orbiting scroll；Second compression mechanism includes the second fixed scroll, the second movable orbiting scroll, institute
It states and offers second row stomata at the top of the second movable orbiting scroll；The cooling system include the first circular bulkheads, the second circular bulkheads and
Several radiating fins, the first circular bulkheads side wall are fixedly connected by bolt with the upper end cover inner wall, second circle
Shape partition side wall is fixedly connected by bolt with the lower cover inner wall, and several radiating fins are evenly distributed on described first
Circular bulkheads and the second circular bulkheads outer surface.
Preferably, the second fixed scroll scrollwork axial length is greater than first fixed scroll, second movable orbiting scroll whirlpool
It rolls up axial length and is greater than first movable orbiting scroll.
Preferably, first compression mechanism further includes the first support frame, and it is logical that first is offered on first support frame
Stomata, first venthole two sidewalls offer accommodating cavity respectively, and two accommodating cavity bottom is respectively equipped with electromagnet, described
The first block is equipped in one accommodating cavity, first block end is equipped with magnet, and the second block is equipped in another accommodating cavity, described
Second block end is equipped with magnet.
Preferably, second compression mechanism further includes the second support frame, and it is logical that second is offered on second support frame
Stomata, second venthole two sidewalls offer accommodating cavity respectively, and two accommodating cavity bottom is respectively equipped with electromagnet, described
The first block is equipped in one accommodating cavity, first block end is equipped with magnet, and the second block is equipped in another accommodating cavity, described
Second block end is equipped with magnet.
Preferably, the side wall of outer shell is equipped with control box, is equipped with controller, first compression mechanism in the control box
And the second electromagnet in compression mechanism is electrically connected with the controller.
Preferably, first circular bulkheads outer surface and the upper end cover inner wall are enclosed the first cooling sap cavity, institute
State that the first coolant liquid is intracavitary to be stored with coolant liquid；It is inserted with inlet tube, liquid back pipe at the top of the upper end cover, the coolant liquid passes through
Inlet tube enters the first cooling sap cavity, and flows out from liquid back pipe；First fixed scroll, upper end cover side wall, the first circular bulkheads
Bottom surface is enclosed the first high pressure chest, is equipped with downtake pipe among first circular bulkheads, the downtake pipe and the
The connection of one high pressure chest, and be arranged at the top of the upper end cover.
Preferably, second circular bulkheads outer surface and the lower cover inner wall are enclosed the second cooling sap cavity, institute
State that the second coolant liquid is intracavitary to be stored with coolant liquid；It is inserted with inlet tube, liquid back pipe at the top of the lower cover, the coolant liquid passes through
Inlet tube enters the second cooling sap cavity, and flows out from liquid back pipe；Second fixed scroll, lower cover side wall, the second circular bulkheads
Bottom surface is enclosed the second high pressure chest, is equipped with second exhaust pipe among second circular bulkheads, the second exhaust pipe and the
The connection of two high pressure chests, and be arranged at the top of the lower cover.
The beneficial effects of the utility model are: the first compression mechanism is different with the dynamic and static whirlpool disk size of the second compression mechanism,
Cooperate the opening and closing of support frame overhead gage that the output of three kinds of different refrigerating capacitys can be achieved, can be widely applied in various working environments,
And structure is simple, it is at low cost.Cooling sap cavity is arranged in upper and lower end caps simultaneously can be effectively reduced high pressure chest temperature by coolant liquid
Degree, to avoid expanding after compression refrigerant is heated.The setting of radiating fin can increase the contact area of circular bulkheads and coolant liquid,
To improve radiating efficiency.
Detailed description of the invention
Fig. 1 is the utility model scroll compressor structure schematic diagram；
Fig. 2 is the utility model the first compression mechanism schematic diagram；
Fig. 3 is the utility model the second compression mechanism schematic diagram；
Fig. 4 is the utility model the first support frame partial schematic diagram；
Fig. 5 is the utility model the first support frame partial schematic diagram；
Fig. 6 is the utility model the second support frame partial schematic diagram；
Fig. 7 is the utility model the second support frame partial schematic diagram.
Description of symbols: shell 1, upper end cover 2, lower cover 3, control box 4, shaft 5, air inlet 6, controller 7, low pressure
Chamber 8, the first fixed scroll 9, the first gasket 10, the first venthole 11, the first support frame 12, the first axle sleeve 13, the first crankshaft 14,
One cross 15, the first movable orbiting scroll 16, radiating fin 17, the first circular bulkheads 18, liquid back pipe 19, first row stomata 20, first
Exhaust pipe 21, first cools down sap cavity 22, inlet tube 23, the first high pressure chest 24, the second fixed scroll 25, the second venthole 26, second
Axle sleeve 27, the second crankshaft 28, the second cross 29, the second support frame 30, the second gasket 31, the second movable orbiting scroll 32, second are round
The cooling sap cavity 36 of partition 33, second row stomata 34, second exhaust pipe 35, second, the second high pressure chest 37, electromagnet 38, magnet 39,
First block 40, accommodating cavity 41, the second block 42.
Specific embodiment
The utility model is further described below in conjunction with the drawings and specific embodiments, but present embodiment is simultaneously
It is not limited to content below, arbitrarily can change and implement in the range of the purport of lossless the utility model.
As shown in Figure 1-3, the utility model screw compressor includes shell 1, upper end cover 2, lower cover 3, control box 4, turns
Axis 5, the first compression mechanism, the second compression mechanism and cooling system, 1 side wall of shell offer air inlet 6, the control
Box 4 is connect with 1 side wall of shell, is controlled in box 4 and is equipped with controller 7.1 upper end of shell passes through with the upper end cover 2
Bolt is fixedly connected, and 1 lower end of shell is bolted to connection with the lower cover 3.
As shown in Fig. 2, first compression mechanism include the first fixed scroll 9, the first movable orbiting scroll 16, the first support frame 12,
First gasket 10,9 upper end of the first fixed scroll are fixedly connected by pin shaft with the upper end cover 2.First support frame
12 lower ends are fixedly connected by pin shaft with 1 inner wall of shell.The is equipped between first fixed scroll 9 and the first support frame 12
One gasket 10, is equipped with the first movable orbiting scroll 16 in first fixed scroll 9, and the first fixed scroll 9 and the first movable orbiting scroll 16 are set to the
One gasket, 10 side, the first cross 15 and the first support frame 12 are set to 10 other side of the first gasket.Gasket by movable orbiting scroll with
Support frame separates, and when screw compressor works, movable orbiting scroll is moved in gasket surface, to efficiently avoid movable orbiting scroll and branch
The contact wear of support.
The volume top end face of first movable orbiting scroll 16 open up it is fluted, the groove internal clearance be equipped with sealing ring, sealing ring
Abut 9 bottom surface of the first fixed scroll, the wrap tip face of first fixed scroll 9 open up it is fluted, in the groove
Gap is equipped with sealing ring, and sealing ring abuts 16 bottom surface of the first movable orbiting scroll.
As schemed shown in 4-5, the first venthole 11,11 liang of first venthole are offered on first support frame 12
Side wall offers accommodating cavity 41 respectively, and two accommodating cavities, 41 bottom is respectively equipped with electromagnet 38, sets in an accommodating cavity 41
There is the first block 40,40 end of the first block is equipped with magnet 39, is equipped with the second block 42 in another accommodating cavity 41, and described the
Two blocks, 42 end is equipped with magnet 39；It is equipped with controller 7 in the control box 4, the electromagnet 38 is electrically connected with controller 7.
The electromagnet 38 generates magnetic force after being powered, controller 7 changes the current direction of electromagnet 38, to control electromagnetism
Iron 38 generates attraction or repulsive force to magnet 39.When the electromagnet 38 attracts magnet 39, first block 40 and the
Two blocks 42 slide into accommodating cavity 41 through magneticaction, and the first venthole 11 is in the open state at this time, and system refrigerant can be via
It is compressed in the compression chamber that first venthole 11 flows into first fixed scroll 9 and first movable orbiting scroll 16 is formed.
When the electromagnet 38 repels magnet 39, first block 40 and the second block 42 skid off appearance through magneticaction
Chamber 41 is set, 40 end face of the first block is mutually abutted with 42 end face of the second block, thus the first venthole 11 of closing, system is cold at this time
Matchmaker is blocked on outside the first venthole 11, since system refrigerant cannot be introduced into compression chamber, so that pressure of the whirlpool disk without gas
Contracting.
As shown in figure 3, second compression mechanism include the second fixed scroll 25, the second movable orbiting scroll 32, the second support frame 30,
Second gasket 31,25 upper end of the second fixed scroll are fixedly connected by pin shaft with the lower cover 3.Second support frame
30 lower ends are fixedly connected by pin shaft with 1 inner wall of shell.It is equipped between second fixed scroll 25 and the second support frame 30
Second gasket 31, second fixed scroll 25 is interior to be equipped with the second movable orbiting scroll 32, the second fixed scroll 25 and the setting of the second movable orbiting scroll 32
In 31 side of the second gasket, the second cross 29 and the second support frame 30 are set to 31 other side of the second gasket, and gasket is by dynamic whirlpool
Disk is separated with support frame.
The volume top end face of second movable orbiting scroll 32 open up it is fluted, the groove internal clearance be equipped with sealing ring, sealing ring
25 bottom surface of the second fixed scroll is abutted, the wrap tip face of second fixed scroll 25 opens up fluted, the groove
Internal clearance is equipped with sealing ring, and sealing ring abuts 32 bottom surface of the second movable orbiting scroll.
As shown in fig. 6-7, the second venthole 26,26 two sides of the second venthole are offered on second support frame 30
Wall offers accommodating cavity 41 respectively, and two accommodating cavities, 41 bottom is respectively equipped with electromagnet 38, is equipped in an accommodating cavity 41
First block 40,40 end of the first block are equipped with magnet 39, are equipped with the second block 42 in another accommodating cavity 41, and described second
42 end of block is equipped with magnet 39, and the electromagnet 38 is electrically connected with controller 7.The block of second venthole, 26 two sides is transported
Flowing mode is identical as first venthole, 11 liang of side block blocks motion modes.
Second fixed scroll, the 25 scrollwork axial length is greater than first fixed scroll 9,32 scrollwork of the second movable orbiting scroll
Axial length is greater than first movable orbiting scroll 16, so that the compression that the first fixed scroll 9 and the first movable orbiting scroll 16 cooperatively form
Cavity volume is less than the compression chamber volume that second fixed scroll 25 and the second movable orbiting scroll 32 cooperatively form, thus the first compressor
Structure, the second compression mechanism can produce different refrigerating capacitys.Controller 7 controls the baffle of the first venthole 11 and the second venthole 26
When opening simultaneously, system refrigerant enters the first compression mechanism and the second compression mechanism, at this time the exportable maximum of screw compressor
Refrigerating capacity.The baffle that controller 7 controls the first venthole 11 is opened, the baffle of the second venthole 26 closure, system refrigerant only into
Enter the first compression mechanism, screw compressor exports minimum refrigerating capacity at this time.The baffle that controller 7 controls the first venthole 11 closes
It closes, the baffle of the second venthole 26 is opened, and system refrigerant only enters the second compression mechanism, and screw compressor exports medium system at this time
Cooling capacity, thus the utility model screw compressor can realize the different refrigerating capacitys of output.
As shown in Figure 1-3,5 upper end of shaft is rotatablely connected by sliding bearing and first support frame 12, it is described
5 lower end of shaft is rotatablely connected by sliding bearing and second support frame 30.Shaft 5 is driven by hollow motor to be rotated, institute
The rotor for stating hollow motor is fixedly connected with the shaft 5, and stator is fixedly connected with 1 inner wall of shell.
5 upper end of shaft is equipped with the first axle sleeve 13 integrally formed with the first crankshaft 14,14 end sleeve of the first crankshaft,
First axle sleeve 13 is fixed on 14 crankshaft end of the first crankshaft by spring arch clasp.First movable orbiting scroll, 16 bottom passes through rolling
Needle bearing and first axle sleeve 13 rotation are socketed, and first cross 15 is set to the first support frame 12 and the first movable orbiting scroll
Between 16.
5 lower end of shaft is equipped with the second axle sleeve 27 integrally formed with the second crankshaft 28,28 end sleeve of the second crankshaft,
Second axle sleeve 27 is fixed on 28 crankshaft end of the second crankshaft by spring arch clasp.Second movable orbiting scroll, 32 bottom passes through rolling
Needle bearing and second axle sleeve 27 rotation are socketed, and second cross 29 is set to the second support frame 30 and the second movable orbiting scroll
Between 32.
As shown in Figure 1-3, the cooling system includes the first circular bulkheads 18, the second circular bulkheads 33 and several heat radiating fins
Piece 17,18 side wall of the first circular bulkheads are fixedly connected by bolt with 2 inner wall of upper end cover, second circular bulkheads
33 side walls are fixedly connected by bolt with 3 inner wall of lower cover.
First circular bulkheads, 18 outer surface and 2 inner wall of upper end cover are enclosed the first cooling sap cavity 22, described
Coolant liquid is stored in first cooling sap cavity 22；Inlet tube 23, liquid back pipe 19, the cooling are inserted at the top of the upper end cover 2
Liquid enters the first cooling sap cavity 22 by inlet tube 23, and flows out from liquid back pipe 19；First fixed scroll 9,2 side of upper end cover
Wall, 18 bottom surface of the first circular bulkheads are enclosed the first high pressure chest 24, are equipped with first exhaust among first circular bulkheads 18
Pipe 21, the downtake pipe 21 are connected to the first high pressure chest 24, and are arranged in 2 top of upper end cover.
Second circular bulkheads, 33 outer surface and 3 inner wall of lower cover are enclosed the second cooling sap cavity 36, described
Coolant liquid is stored in second cooling sap cavity 36；Inlet tube 23, liquid back pipe 19, the cooling are inserted at the top of the lower cover 3
Liquid enters the second cooling sap cavity 36 by inlet tube 23, and flows out from liquid back pipe 19；Second fixed scroll 25,3 side of lower cover
Wall, 33 bottom surface of the second circular bulkheads are enclosed the second high pressure chest 37, are equipped with second exhaust among second circular bulkheads 33
Pipe 35, the second exhaust pipe 35 are connected to the second high pressure chest 37, and are arranged in 3 top of lower cover.
Ring type seal is equipped between 2 inner wall of first circular bulkheads, 18 side wall and the upper end cover, described second is round
Ring type seal is equipped between 3 inner wall of 33 side wall of partition and the lower cover, cooling can be effectively prevented in the setting of ring type seal
Liquid leakage.
Several radiating fins 17 are evenly distributed on 33 outer surface of first circular bulkheads 18 and the second circular bulkheads.
Radiating fin 17 is contacted with coolant liquid, to improve the radiating efficiency of the first circular bulkheads 18 and the second circular bulkheads 33.
1 inner wall of shell and the first support frame 12, the second support frame 30 are enclosed low pressure chamber 8.System refrigerant and profit
The mixed gas of lubricating oil is entered in the first compression mechanism by the first venthole 11, through the first movable orbiting scroll 16 and the first fixed scroll 9
After compression, high pressure gas enters in the first high pressure chest 24, and screw compressor is discharged through downtake pipe 21.Coolant liquid is to first
High pressure chest 24 carries out cooling heat, and expands after being heated so as to avoid compression refrigerant.
The mixed gas of system refrigerant and lubricating oil is entered in the second compression mechanism by the second venthole 26, dynamic through second
After whirlpool disk 32 and the compression of the second fixed scroll 25, high pressure gas enters in the second high pressure chest 37, and whirlpool is discharged through second exhaust pipe 35
Revolve compressor.Coolant liquid carries out cooling heat the second high pressure chest 37, expands after being heated so as to avoid compression refrigerant.
The utility model is described in detail above, its object is to allow the personage for being familiar with this field technology can be much of that
It solves the content of the utility model and is implemented, do not limit the protection scope of the present invention, it is all practical according to this
Equivalent change or modification made by novel Spirit Essence should all cover within the protection scope of the present utility model.
Claims (7)
1. a kind of novel scroll compressor, it is characterised in that: the screw compressor includes shell (1), upper end cover (2), lower end
Cover (3), the first compression mechanism, the second compression mechanism, cooling system；First compression mechanism includes the first fixed scroll (9), the
One movable orbiting scroll (16), the first movable orbiting scroll (16) top offer first row stomata (20)；Second compression mechanism includes
Second fixed scroll (25), the second movable orbiting scroll (32), the second movable orbiting scroll (32) top offer second row stomata (34)；It is described
Cooling system includes the first circular bulkheads (18), the second circular bulkheads (33) and several radiating fins (17), and described first is round
Partition (18) side wall is fixedly connected by bolt with the upper end cover (2) inner wall, and the second circular bulkheads (33) side wall passes through
Bolt is fixedly connected with the lower cover (3) inner wall, several radiating fins (17) be evenly distributed on described first it is round every
Plate (18) and the second circular bulkheads (33) outer surface.
2. novel scroll compressor according to claim 1, it is characterised in that: the second fixed scroll (25) scrollwork is axially long
Degree is greater than first fixed scroll (9), and the second movable orbiting scroll (32) scrollwork axial length is greater than first movable orbiting scroll (16).
3. novel scroll compressor according to claim 1, it is characterised in that: first compression mechanism further includes first
Support (12) offers the first venthole (11) on first support frame (12), the first venthole (11) two sidewalls point
It does not offer accommodating cavity (41), two accommodating cavity (41) bottom is respectively equipped with electromagnet (38), in an accommodating cavity (41)
Equipped with the first block (40), the first block (40) end is equipped with magnet (39), and second gear is equipped in another accommodating cavity (41)
Block (42), the second block (42) end are equipped with magnet (39).
4. novel scroll compressor according to claim 3, it is characterised in that: second compression mechanism further includes second
Support (30) offers the second venthole (26) on second support frame (30), the second venthole (26) two sidewalls point
It does not offer accommodating cavity (41), two accommodating cavity (41) bottom is respectively equipped with electromagnet (38), in an accommodating cavity (41)
Equipped with the first block (40), the first block (40) end is equipped with magnet (39), and second gear is equipped in another accommodating cavity (41)
Block (42), the second block (42) end are equipped with magnet (39).
5. novel scroll compressor according to claim 4, it is characterised in that: shell (1) side wall is equipped with control box
(4), controller (7) are equipped in the control box (4), the electromagnet (38) in first compression mechanism and the second compression mechanism
It is electrically connected with the controller (7).
6. novel scroll compressor according to claim 1, it is characterised in that: the first circular bulkheads (18) outer surface with
Upper end cover (2) inner wall is enclosed first cooling sap cavity (22), is stored with coolant liquid in described first cooling sap cavity (22)；
Inlet tube (23), liquid back pipe (19) are inserted at the top of the upper end cover (2), the coolant liquid enters first by inlet tube (23)
Cooling sap cavity (22), and flowed out from liquid back pipe (19)；First fixed scroll (9), upper end cover (2) side wall, the first circular bulkheads
(18) bottom surface is enclosed the first high pressure chest (24), is equipped with downtake pipe (21) among first circular bulkheads (18), institute
It states downtake pipe (21) to be connected to the first high pressure chest (24), and is arranged at the top of the upper end cover (2).
7. novel scroll compressor according to claim 1, it is characterised in that: the second circular bulkheads (33) outer surface with
Lower cover (3) inner wall is enclosed second cooling sap cavity (36), is stored with coolant liquid in described second cooling sap cavity (36)；
Inlet tube (23), liquid back pipe (19) are inserted at the top of the lower cover (3), the coolant liquid enters second by inlet tube (23)
Cooling sap cavity (36), and flowed out from liquid back pipe (19)；Second fixed scroll (25), lower cover (3) side wall, the second circular bulkheads
(33) bottom surface is enclosed the second high pressure chest (37), is equipped with second exhaust pipe (35) among second circular bulkheads (33), institute
It states second exhaust pipe (35) to be connected to the second high pressure chest (37), and is arranged at the top of the lower cover (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820663532.7U CN208203567U (en) | 2018-05-04 | 2018-05-04 | A kind of novel scroll compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820663532.7U CN208203567U (en) | 2018-05-04 | 2018-05-04 | A kind of novel scroll compressor |
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| Publication Number | Publication Date |
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| CN208203567U true CN208203567U (en) | 2018-12-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302037A (en) * | 2018-05-04 | 2018-07-20 | 宁波汇峰聚威科技股份有限公司 | A kind of novel scroll compressor |
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2018
- 2018-05-04 CN CN201820663532.7U patent/CN208203567U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302037A (en) * | 2018-05-04 | 2018-07-20 | 宁波汇峰聚威科技股份有限公司 | A kind of novel scroll compressor |
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