CN100354523C

CN100354523C - Vortex rotary compressor

Info

Publication number: CN100354523C
Application number: CNB2005101352649A
Authority: CN
Inventors: 蒋宗传; 蒋兴振
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-12-29
Filing date: 2005-12-29
Publication date: 2007-12-12
Anticipated expiration: 2025-12-29
Also published as: CN1811186A

Abstract

The present invention relates to a vortex rotary compressor, which comprises a vortex compressor and a sliding piece compressor, wherein the vortex compressor is composed of a body, static and movable vortex rolls arranged in the body, a main shaft for driving the movable vortex roll to rotate and a limited block for preventing the movable vortex roll from automatically rotating, and a compression chamber of the vortex compressor is communicated with a sliding piece groove of the inner end of a sliding piece of the sliding piece compressor by flow channels in a guiding pipe and the body and a flow channel in a rotor of the sliding piece compressor; the sliding piece compressor uses one body with the vortex compressor and is coaxially arranged, and an outlet of the sliding piece compressor is connected with an inlet of the vortex compressor. The vortex rotary compressor has the characteristics of vortex compression and rotary sliding piece compression, and two compressors are connected in series. The vortex rotary compressor has the advantages of greatly increasing the gas compression ratio and the displacement of the vortex compressor, enlarging the range of the use of the vortex compressor and increasing the product varieties of the vortex compressor.

Description

Vortex rotary compressor

Technical field

The present invention relates to a kind of rotary-piston displacement pump that is applicable to elastic fluid, relate in particular to the piece combined compressor of a kind of vortex and SLALOM.The present invention utilizes the novel scroll rotary compressor of the becoming one of combination of advantages of these two kinds of compressors.Its feature that has the eddy type compression in single fuselage has the feature of SLALOM chip compression simultaneously again.

Background technique

Scroll compressor has been widely used in the industry and the product for civilian use field of cooling air and gas compression owing to have reliability height, low, the energy-saving efficiency advantages of higher of noise at present.Its working principle is that a pair of intermeshing scrollwork is arranged in scroll compressor.The moving scrollwork that cries motionless is quiet scrollwork.Moving scrollwork rotatablely moves as the plane with respect to quiet scrollwork, thereby forms the compression chamber of a plurality of variable volumes.When these chambeies from the gas access of outside during to central row outlet motion, the volume of compression chamber can little by little dwindle.The volume of outermost surface air aspiration cavity is called the volume compression ratio with the ratio of the volume of the compression chamber of compression end of a period, and it has determined the exhaust pressure of scroll compressor and the ratio of pressure of inspiration(Pi).Also determined the size of the exhaust pressure of scroll compressor.There is following shortcoming in present scroll compressor:

1, compression ratio is low.The number of turns of scroll compressor has been determined the exhaust pressure of scroll compressor and the ratio of suction pressure, is called for short compression ratio.If the compression ratio height then requires the number of turns of scrollwork many, because the number of turns of scrollwork has been subjected to the restriction of factors such as scrollwork dish diameter dimension, processing technology, so compression ratio generally is less than in 8.0～10.0 scopes.Some technology has adopted the method that merges number of turns change molded lines to improve compression ratio, and its result has also only improved less compression ratio.

2, gettering quantity is less.The size of the scrollwork dish of scroll compressor has determined the gettering quantity of this machine.Sound scrollwork dish should be made in work in-process milling in the heart, because the restriction of machine tooling size and the restriction of tool length, the size of its scrollwork is restricted, and makes scroll compressor be difficult to the occasion of atm number requirement.

3, carry out under thermal insulation to compression and exhaust process from breathing process, can occur the delivery temperature height in compressive force than higher occasion, the part thermal distortion is big, consumes more power and energy.

4, be used at present controlling moving scrollwork, make its mechanism of doing plane motion partition ring be arranged, parts such as small crankshaft.The shortcoming of partition ring is that its quality is heavy and inertial force is big when size is big.The shortcoming of small crankshaft is its installation precision height and can not appreciates from mending.

Another compressor is the revolution sliding-vane compressor, and this kind rotary compressor has preferable performance when its occasion that is operated in high compression ratio can occur leaking the problem many with wasted work but work under low compression ratio.

Summary of the invention

The objective of the invention is to overcome the deficiencies in the prior art, design a kind of novel scroll rotary compressor, he becomes scroll compressor all over the body with slide plate rotary compressor advantages, has overcome both defectives simultaneously.

Vortex rotary compressor of the present invention, comprise fuselage, be contained in quiet scrollwork, the moving scrollwork in the fuselage and drive the scroll compressor that the rotating main shaft of moving scrollwork constitutes, wherein also comprise coaxial mounted sliding-vane compressor with the shared fuselage of described scroll compressor, the outlet of described sliding-vane compressor links to each other with the import of described scroll compressor, it is characterized in that: runner and runner sliding-vane compressor rotor in of the compression chamber of described scroll compressor in conduit and described fuselage is connected with the vane slot of described sliding-vane compressor slide plate the inner.

Vortex rotary compressor of the present invention, wherein the radius angle of the chute of slide plate and rotor is between 90 ° of 80 ° of ∽ ∠ of ∠.

Vortex rotary compressor of the present invention is equipped with interstage cooler between the outlet of wherein said sliding-vane compressor and the import of described scroll compressor.

Vortex rotary compressor of the present invention has a dividing plate in the wherein said fuselage, described scroll compressor and sliding-vane compressor are separated.

Vortex rotary compressor of the present invention is fixed with the push-plate frame that supports moving scrollwork on the wherein said dividing plate.

Vortex rotary compressor of the present invention, wherein said moving scrollwork, the monosymmetric T-shaped piece that is equipped with of quiet scrollwork, the part of described T-shaped piece and the chute of moving scrollwork are slidingly matched, and the chute on the end cap of another part and quiet scrollwork is slidingly matched.

Advantage of the present invention is: enlarge the pressure ratio and the gettering quantity of scroll compressor, thereby widen the using scope of this kind compressor in power, the energy, refrigeration and field of air conditioning, it is simple in structure, efficient is high, noise is low operates steadily.

Other details of the present invention and characteristics can just can be cheer and bright by reading the embodiment hereinafter encyclopaedize in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 is the plan view of vortex rotary compressor of the present invention;

Fig. 2 is A-A figure in vortex rotary compressor cross section shown in Figure 1

Fig. 3 schemes for the B-B that cuts open of rotary compressor shown in Figure 1

Embodiment

As Fig. 1～vortex rotary compressor shown in Figure 3, of the present invention, main bearing 1, supplementary bearing 4, and moving scrollwork bearing 15 that supports main shaft 16 is arranged, belt pulley 5, main balance fast 17 are installed on the main shaft, fuselage 7 is connected with end cap 8 usefulness screws 6, the rotor 2 that is included in the fuselage 7 is equipped with in described main shaft 16 lower ends, slide plate 9 is housed in the rotor 2, and moving scrollwork 13 is equipped with in main shaft 16 upper ends, and the quiet scrollwork 14 usefulness bolts 11 that cooperate with moving scrollwork 13 are fixed on the fuselage 7.So just eddy type, rotary compressor are cascaded.

Vortex rotary compressor of the present invention, at moving scrollwork 13, the quiet scrollwork 14 monosymmetric T-shaped pieces 20 that are equipped with, the part of described T-shaped piece 20 and the chute of moving scrollwork are slidingly matched, chute on the end cap of another part and quiet scrollwork 14 is slidingly matched, and it can prevent that the stop scrollwork rotates around its axle center.

Vortex rotary compressor of the present invention wherein has angle between the radius of the chute of slide plate 9 and rotor 2, and its angle can make slide plate not be subjected to the centrifugal force too much influence between 90 ° of 85 °～∠ of ∠ like this.

Vortex rotary compressor of the present invention, wherein at the end of slide plate 9 near rotor 2 centers, be connected with from quiet scrollwork 14 compression chambers 21 of vortex and guide pressurized gas through conduit 19, pressurized gas promote the internal surface of slide plate 9 pressed toward body 7, make slide plate 9 and fuselage 7 keep stable sealing, be not subjected to the influence of rotor 2 rotation speed change.

Vortex rotary compressor of the present invention wherein turns round medium pressure gas that compression chamber 25 to 24 discharges and enter the scroll compression chamber 23 of contracting after interstage cooler 10 cooling.Cooler can be taked outside air cooling way.

Vortex rotary compressor of the present invention has a dividing plate 29 in its middle machine body 7, it will turn round compression member and the vortex compression member separates.

Vortex rotary compressor of the present invention, be fixed with the push-plate frame 12 that supports moving scrollwork 13 on its central diaphragm 29, prevent that it from leaving quiet scrollwork 14, a circular hole is arranged at the center of this dividing plate, bearing 1 is installed in the circular hole, and the shared main shaft 16 of moving scrollwork 13 and rotor 2 is equipped with in bearing 1 inside.

Fig. 2 is a scroll compression compression process schematic representation, and the T-shaped piece is prevented stop scrollwork rotation displacement.Medium pressure gas enters from suction port 23, and moving scrollwork is around quiet scrollwork eccentric rotary, and gas becomes 22 by 23 and becomes 21 more at last from outlet pipe 18 discharges.T-shaped piece 20 reaches in moving 13 liang of side channels of scrollwork in quiet scrollwork 14 dish grooves and slides.

Fig. 3 is the revolution compression process, and gas 3 enters the revolution air aspiration cavity 26 that rotor and fuselage 7 and slide plate 9 form from entering the mouth, and along with the rotation of rotor 2, air aspiration cavity diminishes and transfers the chamber 25 of calming the anger to, and rotor rotates the chamber gas of calming the anger again will finish compression process from relief opening 24 discharges.

The process of pressurized gas of the present invention is achieved in that gas at first is inhaled into the air aspiration cavity 26 of rotor 2 through suction port 3, when motor or 2 rotations of internal combustion engine drive rotor, air aspiration cavity 26 changes from small to big, this air aspiration cavity is formed by the inner cylinders wall of rotor 2, slide plate 9 and fuselage 7, after breathing process finishes, rotation along with rotor 2, the volume in its chamber 25 diminishes gradually, after the slide plate of front arrives air outlet 24, compression chamber is communicated with the vortex intakeport, gas is discharged from the revolution pressing chamber subsequently, enters interstage cooler 10 then.Air or gas are compressed the back temperature and can rise, meeting distribute heat after the medium pressure gas after the compression enters interstage cooler, and the blowing of air distribution fan reaches the purpose that reduces the pressurized gas temperature with the interstage cooler cooling in addition.

Through pressing pressurized gas to enter in the chamber of the moving scrollwork in the fuselage 7 in cooled, enter moving scrollwork 13 and quiet scrollwork 14 formed air aspiration cavitys 23 then, air aspiration cavity 23 will become compression chamber 22 when axle 16 rotates, and becomes compression chamber 21 at last.When moving scrollwork 13 rotated again, last compression chamber will be communicated with relief opening 18, and the pressurized gas after the compression are discharged compressor.The working procedure of pressurized gas finishes.

For guarantee slide plate 9 can be with the inwall of fuselage 7 tight contact seal gas, simultaneously make slide plate 9 not be subjected to much influencing of centrifugal force again, draw gas from the quiet scrollwork outer end of vortex compression chamber outside fuselage 7 through small pipeline 19, gas after special hole will be compressed is directed to the center of rotor 2 again, pressurized gas is directed in the vane slot of slide plate 9 the inners through bullport 28 again, the thrust that this pressurized gas produced is pushed slide plate to the internal face of fuselage 7.

Claims

1. vortex rotary compressor, comprise fuselage (7), be contained in the quiet scrollwork (14) in the fuselage (7), the scroll compressor that the moving rotating main shaft of scrollwork (13) (16) of moving scrollwork (13) and driving constitutes, also comprise coaxial mounted sliding-vane compressor with the shared fuselage of described scroll compressor (7), the outlet of described sliding-vane compressor links to each other with the import of described scroll compressor, it is characterized in that: runner and the runner (28) sliding-vane compressor rotor (2) in of the compression chamber of described scroll compressor in conduit (19) and described fuselage (7) is connected with the vane slot of described sliding-vane compressor slide plate (9) the inner.

2. according to the described vortex rotary compressor of claim 1, it is characterized in that: the radius angle of the chute of slide plate (9) and rotor (2) is between 90 ° of 80 ° of ∽ ∠ of ∠.

3. vortex rotary compressor according to claim 1 and 2 is characterized in that: between the outlet of described sliding-vane compressor and the import of described scroll compressor interstage cooler is housed.

4. vortex rotary compressor according to claim 3 is characterized in that: a dividing plate (29) is arranged in the described fuselage (7), described scroll compressor and sliding-vane compressor are separated.

5. vortex according to claim 4 adds rotatable compressor, it is characterized in that: be fixed with the push-plate frame (12) that supports moving scrollwork (13) on the described dividing plate (29).

6. vortex rotary compressor according to claim 1, it is characterized in that: at moving scrollwork (13), the monosymmetric T-shaped piece (20) that is equipped with of quiet scrollwork (14), the chute of the part of described T-shaped piece (20) and moving scrollwork (13) is slidingly matched, and the chute on the end cap of another part and quiet scrollwork (14) is slidingly matched.