CN103629111A - Semi-closed scroll compressor - Google Patents
Semi-closed scroll compressor Download PDFInfo
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- CN103629111A CN103629111A CN201210308063.4A CN201210308063A CN103629111A CN 103629111 A CN103629111 A CN 103629111A CN 201210308063 A CN201210308063 A CN 201210308063A CN 103629111 A CN103629111 A CN 103629111A
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- sealing gasket
- movable orbiting
- orbiting scroll
- back pressure
- pressure
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Abstract
The utility model relates to a semi-closed scroll compressor. The semi-closed scroll compressor is characterized in that: a compression chamber defined by a static turbine and a movable turbine is connected with a high-pressure exhaust chamber (C) through air holes on a static scroll (3); a backpressure air guide passage (G) which is used for connecting a medium-backpressure chamber (E) with a low-pressure suction chamber (D) is arranged at the edges of an antifriction gasket (10) and the static scroll (3); a backpressure air guide valve (8) is arranged in the backpressure air guide passage (G); a backpressure intake passage (F) which is used for connecting the medium-backpressure chamber (E) with the high-pressure exhaust chamber (C) is arranged at the edge of the antifriction gasket (10); the movable turbine of a movable scroll (4) conducts planar motion in the static turbine of the static scroll (3), so that the movable turbine base of the movable scroll (4) can produce an envelope inner circular motion track and an envelope outer circular motion track on the antifriction gasket (10); the antifriction gasket (10) is provided with air guide holes (H), and part or all of the air guide holes (H) are located between the envelope inner circle and the envelope outer circle.
Description
[technical field]
The present invention relates to a kind of scroll compressor, relate in particular to a kind of semi-enclosed scroll compressor.
[background technique]
At present, critical piece in scroll compressor be two shapes identical but angle phase position staggers relatively the involute scroll of 180 °, first fixed scroll, and another is to be driven by eccentric shaft, its axis is done the scroll that detours revolving round the sun around spin axis, in work two scroll in many places tangent formation potted line, add the suitable sealing of two scroll ends, thereby form several crescent shape air cavitys, outmost turns is air aspiration cavity, while sealing, do not communicate with low-pressure cavity, innermost circle is exhaust cavity, is connected with hyperbaric chamber; Between two scroll of heart portion, the potted line at place, public point of contact constantly shifts along vortex curve along with the revolution of the scroll that detours, the variation that the shape of these crescent shape air cavitys is gone round and begun again from large to small.
During a pair of scroll compression gas, certainly lead to the axial force that makes it separated, make to produce very large frictional force between movable orbiting scroll and supporting member, in order to improve the efficiency of compressor, middle pressure in the design of the movable orbiting scroll turbine back side between high pressure and low pressure, floats between quiet dish and supporting member movable orbiting scroll.In how realizing, the stable of pressure is to improve the efficiency of compressor and the key technology of reliability.Therefore, studying a kind of novel semi-enclosed scroll compressor has been problem demanding prompt solution.
[summary of the invention]
The technical problem to be solved in the present invention is to provide a kind of semi-enclosed scroll compressor, by special position, gas port is set, and with the too high pressurized gas of head pressure, that in realization, presses is stable, thereby reaches balance pressure; Guarantee the working life that passage between air cavity and passage inner structure arrange, thereby guarantee usability and the working life of whole scroll compressor.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is, a kind of scroll compressor that partly seals, comprise protecgulum, housing, quiet whirlpool dish, movable orbiting scroll, support, live axle and motor, protecgulum and housing are tightly connected by link, the fixing quiet whirlpool of protecgulum dish, quiet whirlpool dish comprises quiet turbine and quiet turbine base, movable orbiting scroll comprises moving turbine and moving turbine base, supporting being placed on the quiet turbine coiling in quiet whirlpool of moving turbine of movable orbiting scroll, the moving turbine base of movable orbiting scroll is placed on anti-attrition sealing gasket, anti-attrition sealing gasket is arranged on support, support is fixed on quiet whirlpool dish or protecgulum, one end of live axle is connected on movable orbiting scroll by bearing, the live axle the other end is connected on housing by bearing, in housing, be provided with motor, rotor is looped around on live axle, it is characterized in that there is motive sealing between live axle and support, support, in forming between anti-attrition sealing gasket and movable orbiting scroll, press back pressure cavity, on housing, be provided with suction port, suction port connects air-breathing low-pressure cavity, on protecgulum, be provided with exhaust port, exhaust port connects exhaust hyperbaric chamber, the compression chamber that quiet turbine forms with moving turbine is connected with exhaust hyperbaric chamber by the pore on the dish of quiet whirlpool, the edge of anti-attrition sealing gasket and quiet whirlpool dish is provided with middle pressure back pressure cavity and is connected the back pressure air guide channel of use with air-breathing low-pressure cavity, in back pressure air guide channel, be provided with back pressure guide valve, back pressure guide valve is set air guide cracking pressure by spring, in while making compressor operating, pressing Pressure in Back-pressure Cavity is the working pressure of design, the edge of anti-attrition sealing gasket is provided with middle pressure back pressure cavity and is connected the back pressure gas-entered passageway of use with exhaust hyperbaric chamber, and gas-entered passageway is designed to capillary tube pattern and realizes expenditure and pressure, makes it to match with back pressure air guide channel, the moving turbine of movable orbiting scroll carries out plane motion in the quiet turbine of quiet whirlpool dish makes the moving turbine base of movable orbiting scroll can on anti-attrition sealing gasket, produce envelope inner circle movement locus and envelope cylindrical movement locus, on anti-attrition sealing gasket, be provided with gas port, gas port has partly or entirely between envelope inner circle and envelope cylindrical.The gas port of the moving turbine base of movable orbiting scroll in the motion partial periodicity of a week has and partly or entirely exposes outside the cylindrical of moving turbine base, and middle pressure back pressure cavity is communicated with by gas port with air-breathing low-pressure cavity.The outer rim of the moving turbine base of movable orbiting scroll moving region on anti-attrition sealing gasket when the crank-driven of live axle is carried out translation forms envelope inner circle and envelope cylindrical.The movable orbiting scroll back pressure floating structure with anti-attrition sealing gasket partly seal scroll compressor in anti-attrition sealing gasket with gas port; It is a set time section that the working principle of gas port is opened; Gas port presses back pressure cavity to air-breathing low-pressure cavity pressure release in realizing, and air guide channel can be got back to air-breathing low-pressure cavity by price fixing or support.Gas port can be the through hole that circular hole also can be other shape; Exhaust hyperbaric chamber pressurized gas provide back pressure pressure that movable orbiting scroll is floated between anti-attrition sealing gasket to middle pressure back pressure cavity by back pressure gas-entered passageway.For the size of guaranteeing middle pressure Pressure in Back-pressure Cavity increases back pressure guide valve at price fixing, back pressure guide valve is set air guide cracking pressure by spring, presses in while making compressor operating Pressure in Back-pressure Cavity to meet designing requirement and realizes Moving plate and float.During work back pressure guide valve ceaselessly switch carry out the control of middle pressure Pressure in Back-pressure Cavity, after increasing gas port, make to press in part the medium pressure gas of back pressure cavity the switch aperture of back pressure guide valve is reduced and can carry out essence and control by gas port pressure release, thereby lengthen the operating life of back pressure guide valve.In cause, press Pressure in Back-pressure Cavity control ability to improve, the work of movable orbiting scroll is more stable, also makes compressor work depletion few, therefore has the compressor product performance raising of gas port to have 2-5%.
Above-described semi-enclosed scroll compressor, anti-attrition sealing gasket and the envelope inner circle of the moving turbine base movement locus of movable orbiting scroll and envelope cylindrical between near the position of envelope inner circle, be provided with gas port, the moving turbine base of movable orbiting scroll is in the motion partial periodicity of a week, gas port has and partly or entirely exposes outside moving turbine base, and middle pressure back pressure cavity is communicated with by gas port with air-breathing low-pressure cavity.That in pressing in chamber in realization, presses is stable, thereby guarantees semi-enclosed scroll compressor working efficiency.
Above-described semi-enclosed scroll compressor, gas port is only provided with one.
Above-described semi-enclosed scroll compressor, gas port is provided with two or a plurality of on anti-attrition sealing gasket.
Above-described semi-enclosed scroll compressor, gas port is circular hole, square hole, bar hole or funnel-shaped hole.
Above-described semi-enclosed scroll compressor, motive sealing is the motive sealing of lip formula.Well in sealing, press chamber, guarantee the normal operation of compressor.
Above-described semi-enclosed scroll compressor, on the face of support and anti-attrition sealing gasket contact, be provided be connected back pressure gas-entered passageway cushion hole or/and dashpot.In can alleviating, press the medium pressure gas pressure of back pressure cavity.
Above-described semi-enclosed scroll compressor, cushion hole is arranged on the marginal position of anti-attrition sealing gasket, or/and dashpot extends to edge from the home position of anti-attrition sealing gasket.
Above-described semi-enclosed scroll compressor, is provided with anti-rotation mechanism between support and movable orbiting scroll, and anti-rotation mechanism is through anti-attrition sealing gasket.
Above-described semi-enclosed scroll compressor, anti-rotation mechanism is comprised of circular pit, annulus and short column.
Above-described semi-enclosed scroll compressor, circular pit is arranged on the moving turbine base of movable orbiting scroll, and annulus is placed in circular pit, and short column is fixed on base, short column extend in circular pit through the hole on anti-attrition sealing gasket, and annulus is made by high-abrasive material.Arranging is like this simple in structure; can effectively prevent that movable orbiting scroll from producing the trend of Rao Qi center rotation under the effect of gas force; and annulus can be protected circular pit and short column; make it not fragile, can play good positioning action, effectively prevent that movable orbiting scroll from producing the trend of Rao Qi center rotation under the effect of gas force; guarantee movable orbiting scroll translation running; thereby extend the working life of whole scroll compressor, and annulus replacing is convenient, is convenient to maintenance.
Above-described semi-enclosed scroll compressor, is provided with spring on back pressure guide valve, and back pressure guide valve is set air guide cracking pressure by spring.For the size of guaranteeing middle pressure Pressure in Back-pressure Cavity increases back pressure guide valve at price fixing, back pressure guide valve is set air guide cracking pressure by spring, presses Pressure in Back-pressure Cavity to meet designing requirement in while making scroll compressor work, realizes Moving plate and floats.
Gas port working principle: the position of gas port is in the location of the moving turbine base running covering scope of movable orbiting scroll, make the position of gas port in a certain angular orientation of movable orbiting scroll motion, be closed in outside topped scope, and other angular orientations are in topped scope, with realize go round and begin again between breath and break-make low-pressure cavity; Gas port can be also other shape through hole such as long waist shaped of circular hole; Movable orbiting scroll cylindrical gas port when particular job position communicates with air-breathing low-pressure cavity, the medium pressure gas of middle pressure back pressure cavity leaks to air-breathing low-pressure cavity, movable orbiting scroll runs to other working positions, the moving turbine base of movable orbiting scroll covers gas port makes gas port leak and close to air-breathing low-pressure cavity, and with the moving turbine position base change of compressor operation movable orbiting scroll, gas port often being circled all has a special position air guide.
The invention has the advantages that:
1, the movable orbiting scroll back pressure floating structure with anti-attrition sealing gasket partly seal scroll compressor in anti-attrition sealing gasket with gas port.
2, to open be a set time section to the working principle of gas port, and set time section is determined by gas port position and size shape.
3, gas port by pressure back pressure cavity to air-breathing low-pressure cavity conducting, air guide channel can be got back to air-breathing low-pressure cavity by price fixing or support.Gas port can be the through hole that circular hole also can be other shape.
4, exhaust hyperbaric chamber pressurized gas provide back pressure pressure that movable orbiting scroll is floated between anti-attrition sealing gasket to middle pressure back pressure cavity by back pressure gas-entered passageway.For the size of guaranteeing middle pressure Pressure in Back-pressure Cavity increases back pressure guide valve at price fixing, back pressure guide valve is set air guide cracking pressure by spring, presses Pressure in Back-pressure Cavity to meet designing requirement in while making compressor operating, realizes and floating.During work back pressure guide valve ceaselessly switch carry out the control of middle pressure Pressure in Back-pressure Cavity, after increasing gas port, make to press in part the medium pressure gas of back pressure cavity the switch aperture of back pressure guide valve is reduced and can carry out essence and control by gas port pressure release, thereby lengthen the operating life of back pressure guide valve.In cause, press Pressure in Back-pressure Cavity control ability to improve, the work of movable orbiting scroll is more stable, also makes compressor work depletion few, therefore has the compressor product performance raising of gas port to have 2-5%.
[accompanying drawing explanation]
Fig. 1-a is the structural representation that the present invention partly seals scroll compressor embodiment 1.
Fig. 1-b is the structural representation of movable orbiting scroll 4 and anti-attrition sealing gasket 10 in Fig. 1-a.
Fig. 2-a is the structural representation that the present invention partly seals scroll compressor embodiment 2.
Fig. 2-b is the structural representation of movable orbiting scroll 4 and anti-attrition sealing gasket 10 in Fig. 2-a.
[embodiment]
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
The technical solution used in the present invention is, a kind of scroll compressor that partly seals, comprise protecgulum 1, housing 2, quiet whirlpool dish 3, movable orbiting scroll 4, support 5, live axle 6 and motor 7, protecgulum 1 is tightly connected by link with housing 2, the fixing quiet whirlpool of protecgulum 1 dish 3, quiet whirlpool dish 3 comprises quiet turbine and quiet turbine base, movable orbiting scroll 4 comprises moving turbine and moving turbine base, the moving turbine of movable orbiting scroll 4 is supporting to be placed on the quiet turbine of quiet whirlpool dish 3, the moving turbine base of movable orbiting scroll 4 is placed on anti-attrition sealing gasket 10, anti-attrition sealing gasket 10 is arranged on support 5, support 5 is fixed on quiet whirlpool dish 3 or protecgulum 1, one end of live axle 6 is connected on movable orbiting scroll 4 by bearing, live axle 6 the other ends are connected on housing 2 by bearing, in housing 2, be provided with motor 7, motor 7 rotor rings are on live axle 6, it is characterized in that there is motive sealing between live axle 6 and support 5, support 5, during forming, anti-attrition sealing gasket 10 and movable orbiting scroll 4 press back pressure cavity E, on housing 2, be provided with suction port A, suction port A connects air-breathing low-pressure cavity D, on protecgulum 1, be provided with exhaust port B, exhaust port B connects exhaust hyperbaric chamber C, the compression chamber that quiet turbine forms with moving turbine is connected with exhaust hyperbaric chamber C by the pore on quiet whirlpool dish 3, the edge of anti-attrition sealing gasket 10 is provided with middle pressure back pressure cavity E is connected use back pressure air guide channel G with air-breathing low-pressure cavity D, in back pressure air guide channel G, be provided with back pressure guide valve 8, the edge of anti-attrition sealing gasket 10 is provided with middle pressure back pressure cavity E and is connected the back pressure gas-entered passageway F of use with exhaust hyperbaric chamber C, the moving turbine of movable orbiting scroll 4 carries out plane motion in the quiet turbine of quiet whirlpool dish 3 makes the moving turbine base of movable orbiting scroll 4 can on anti-attrition sealing gasket 10, produce envelope inner circle movement locus and envelope cylindrical movement locus, on anti-attrition sealing gasket 10, be provided with gas port H, gas port H has partly or entirely between envelope inner circle and envelope cylindrical.
Be further characterized in that anti-attrition sealing gasket 10 and the envelope inner circle of the moving turbine base movement locus of movable orbiting scroll 4 and envelope cylindrical between near the position of envelope inner circle, be provided with gas port H, the moving turbine base of movable orbiting scroll 4 is within the motion cycle of one week, gas port has and partly or entirely exposes outside moving turbine base, and middle pressure back pressure cavity E is communicated with by gas port H with air-breathing low-pressure cavity D.
Be further characterized in that gas port H is only provided with one.
Be further characterized in that gas port H is provided with two or a plurality of on anti-attrition sealing gasket 10.
Be further characterized in that gas port H is circular hole, square hole, bar hole or funnel-shaped hole.
Be further characterized in that motive sealing is the motive sealing of lip formula.
Be further characterized in that on the face of support 5 and anti-attrition sealing gasket 10 contacts, be provided be connected back pressure gas-entered passageway F cushion hole or/and dashpot.
Be further characterized in that cushion hole is arranged on the marginal position of anti-attrition sealing gasket 10, or/and dashpot extends to edge from the home position of anti-attrition sealing gasket 10.
Be further characterized in that between support 5 and movable orbiting scroll 4 and be provided with anti-rotation mechanism, anti-rotation mechanism is through anti-attrition sealing gasket 10.
Be further characterized in that anti-rotation mechanism is comprised of circular pit, annulus and short column.
Be further characterized in that circular pit is arranged on the moving turbine base of movable orbiting scroll 4, annulus is placed in circular pit, and short column is fixed on base, and short column extend in circular pit through the hole on anti-attrition sealing gasket 10, and annulus is made by high-abrasive material.
Be further characterized in that on back pressure guide valve 8 and be provided with spring 9, back pressure guide valve 8 is set air guide cracking pressure by spring 9.
Fig. 1-a is the structural representation that the present invention partly seals scroll compressor embodiment 1, Fig. 1-b is the structural representation of movable orbiting scroll 4 and anti-attrition sealing gasket 10 in Fig. 1-a, as shown in Fig. 1-a, partly seal scroll compressor and comprise protecgulum 1, housing 2, quiet whirlpool dish 3, movable orbiting scroll 4, support 5, live axle 6 and motor 7, protecgulum 1 is tightly connected by link with housing 2, the fixing quiet whirlpool of protecgulum 1 dish 3, quiet whirlpool dish 3 comprises quiet turbine and quiet turbine base, movable orbiting scroll 4 comprises moving turbine and moving turbine base, the moving turbine of movable orbiting scroll 4 is supporting to be placed on the quiet turbine of quiet whirlpool dish 3, the moving turbine base of movable orbiting scroll 4 is placed on anti-attrition sealing gasket 10, anti-attrition sealing gasket 10 is arranged on support 5, support 5 is fixed on quiet whirlpool dish 3 or protecgulum 1, one end of live axle 6 is connected on movable orbiting scroll 4 by bearing, live axle 6 the other ends are connected on housing 2 by bearing, in housing 2, be provided with motor 7, the rotor ring of motor 7 is on live axle 6, support 5, in forming between anti-attrition sealing gasket 10 and moving turbine base, press back pressure cavity E, on housing 2, be provided with suction port A, suction port A connects air-breathing low-pressure cavity D, on protecgulum 1, be provided with exhaust port B, exhaust port B connects exhaust hyperbaric chamber C, the compression chamber that quiet turbine forms with moving turbine is connected with exhaust hyperbaric chamber C by the pore on quiet whirlpool dish 3, the edge of anti-attrition sealing gasket 10 is provided with middle pressure back pressure cavity E is connected use back pressure air guide channel G with air-breathing low-pressure cavity D, in back pressure air guide channel G, be provided with back pressure guide valve 8, on back pressure guide valve 8, be provided with spring 9, back pressure guide valve 8 is set air guide cracking pressure by spring 9, the edge of anti-attrition sealing gasket 10 is provided with middle pressure back pressure cavity E and is connected the back pressure gas-entered passageway F of use with exhaust hyperbaric chamber C, the moving turbine of movable orbiting scroll 4 carries out plane motion in the quiet turbine of quiet whirlpool dish 3 makes the moving turbine base of movable orbiting scroll 4 can on anti-attrition sealing gasket 10, produce envelope inner circle movement locus and envelope cylindrical movement locus, anti-attrition sealing gasket 10 and the moving turbine base envelope inner circle movement locus of movable orbiting scroll 4 and the position between envelope cylindrical movement locus be provided with gas port H, gas port H is only provided with one, gas port also can arrange two or more, gas port H is circular hole, gas port H can be also square hole, bar hole or funnel-shaped hole, the moving turbine base of movable orbiting scroll 4 just moves to the gas port of anti-attrition sealing gasket outside moving turbine base, middle pressure back pressure cavity E is communicated with by gas port H with air-breathing low-pressure cavity D, on the face that support 5 contacts with anti-attrition sealing gasket 10, be provided with cushion hole and the dashpot that is connected back pressure gas-entered passageway F, cushion hole is arranged on the marginal position of anti-attrition sealing gasket 10, dashpot extends to edge from the home position of anti-attrition sealing gasket 10, between support 5 and movable orbiting scroll 4, be provided with anti-rotation mechanism, anti-rotation mechanism is through anti-attrition sealing gasket 10, anti-rotation mechanism is by circular pit, annulus and short column form, circular pit is arranged on the moving turbine base of movable orbiting scroll 4, annulus is placed in circular pit, short column is fixed on base, short column extend in circular pit through the hole on anti-attrition sealing gasket 10, annulus is made by high-abrasive material.Fig. 1-b is the movable orbiting scroll 4 of Fig. 1-a and the schematic diagram of anti-attrition sealing gasket 10 position relationships, the moving turbine of movable orbiting scroll 4 carries out plane motion in the quiet turbine of quiet whirlpool dish 3 makes the moving turbine base of movable orbiting scroll 4 can on anti-attrition sealing gasket 10, produce envelope inner circle movement locus and envelope cylindrical movement locus, gas port H has partly or entirely between envelope inner circle and envelope cylindrical, illustrated is just that the moving turbine base of movable orbiting scroll 4 just moves to the position that gas port H exposes moving turbine base completely, gas port H just exposes outside moving turbine base completely, middle pressure back pressure cavity E is communicated with by gas port H with air-breathing low-pressure cavity D.
Fig. 2-a is the structural representation that the present invention partly seals scroll compressor embodiment 2, Fig. 2-b is the structural representation of movable orbiting scroll 4 and anti-attrition sealing gasket 10 in Fig. 2-a, as shown in Fig. 2-a, partly seal scroll compressor and comprise protecgulum 1, housing 2, quiet whirlpool dish 3, movable orbiting scroll 4, support 5, live axle 6 and motor 7, protecgulum 1 is tightly connected by link with housing 2, the fixing quiet whirlpool of protecgulum 1 dish 3, quiet whirlpool dish 3 comprises quiet turbine and quiet turbine base, movable orbiting scroll 4 comprises moving turbine and moving turbine base, the moving turbine of movable orbiting scroll 4 is supporting to be placed on the quiet turbine of quiet whirlpool dish 3, the moving turbine base of movable orbiting scroll 4 is placed on anti-attrition sealing gasket 10, anti-attrition sealing gasket 10 is arranged on support 5, support 5 is fixed on quiet whirlpool dish 3 or protecgulum 1, one end of live axle 6 is connected on movable orbiting scroll 4 by bearing, live axle 6 the other ends are connected on housing 2 by bearing, in housing 2, be provided with motor 7, motor 7 rotor rings are on live axle 6, support 5, in forming between anti-attrition sealing gasket 10 and moving turbine base, press back pressure cavity E, on housing 2, be provided with suction port A, suction port A connects air-breathing low-pressure cavity D, on protecgulum 1, be provided with exhaust port B, exhaust port B connects exhaust hyperbaric chamber C, the compression chamber that quiet turbine forms with moving turbine is connected with exhaust hyperbaric chamber C by the pore on quiet whirlpool dish 3, the edge of anti-attrition sealing gasket 10 is provided with middle pressure back pressure cavity E is connected use back pressure air guide channel G with air-breathing low-pressure cavity D, in back pressure air guide channel G, be provided with back pressure guide valve 8, on back pressure guide valve 8, be provided with spring 9, back pressure guide valve 8 is set air guide cracking pressure by spring 9, the edge of anti-attrition sealing gasket 10 is provided with middle pressure back pressure cavity E and is connected the back pressure gas-entered passageway F of use with exhaust hyperbaric chamber C, the moving turbine of movable orbiting scroll 4 carries out plane motion in the quiet turbine of quiet whirlpool dish 3 makes the moving turbine base of movable orbiting scroll 4 can on anti-attrition sealing gasket 10, produce envelope inner circle movement locus and envelope cylindrical movement locus, gas port H has partly or entirely between envelope inner circle and envelope cylindrical, gas port H is only provided with one, also can arrange two or more, gas port H is circular hole, gas port H can be also square hole, bar hole or funnel-shaped hole, the moving turbine base of movable orbiting scroll 4 moves to the state covering completely on gas port H, the connecting passage of middle pressure back pressure cavity E and air-breathing low-pressure cavity D is sealed completely, on the face that support 5 contacts with anti-attrition sealing gasket 10, be provided with cushion hole and the dashpot that is connected back pressure gas-entered passageway F, cushion hole is arranged on the marginal position of anti-attrition sealing gasket 10, dashpot extends to edge from the home position of anti-attrition sealing gasket 10, between support 5 and movable orbiting scroll 4, be provided with anti-rotation mechanism, anti-rotation mechanism is through anti-attrition sealing gasket 10, anti-rotation mechanism is by circular pit, annulus and short column form, circular pit is arranged on the moving turbine base of movable orbiting scroll 4, annulus is placed in circular pit, short column is fixed on base, short column extend in circular pit through the hole on anti-attrition sealing gasket 10, annulus is made by high-abrasive material.Fig. 2-b is the movable orbiting scroll 4 of Fig. 2-a and the schematic diagram of anti-attrition sealing gasket 10 position relationships, the moving turbine of movable orbiting scroll 4 carries out plane motion in the quiet turbine of quiet whirlpool dish 3 makes the moving turbine base of movable orbiting scroll 4 can on anti-attrition sealing gasket 10, produce envelope inner circle movement locus and envelope cylindrical movement locus, gas port H has partly or entirely between envelope inner circle and envelope cylindrical, illustrated is just that the moving turbine base of movable orbiting scroll 4 just moves to the position covering completely on gas port H, gas port H is just covered by the moving turbine base of movable orbiting scroll 4 completely, the connecting passage gas port H of middle pressure back pressure cavity E and air-breathing low-pressure cavity D is sealed completely.
Exhaust hyperbaric chamber C pressurized gas provide back pressure pressure that movable orbiting scroll 4 is floated in 10 of anti-attrition sealing gaskets to middle pressure back pressure cavity E by back pressure gas-entered passageway F.For the stability of guaranteeing middle pressure Pressure in Back-pressure Cavity increases back pressure guide valves 8 at price fixing 3, back pressure guide valve 8 is set air guide cracking pressures by spring 9, presses Pressure in Back-pressure Cavity reduced by the impact of exhaust high pressure fluctuations in while making compressor operating.During work back pressure guide valve 8 ceaselessly switch carry out the control of middle pressure Pressure in Back-pressure Cavity, after increasing gas port H, make to press in part the medium pressure gas of back pressure cavity the switch of back pressure guide valve 8 is reduced and can carry out essence and control by gas port H pressure release, thereby lengthen the operating life of back pressure guide valve 8.In cause, press Pressure in Back-pressure Cavity control ability to improve, the work of movable orbiting scroll 4 is more stable, also makes compressor work depletion few, therefore has the compressor product performance raising of gas port to have 2-5%.
Gas port working principle: the position of gas port H is in the location of the moving turbine base running covering scope of movable orbiting scroll 4, make the position of gas port H in a certain angular orientation of movable orbiting scroll 4 motions, drop on by outside topped scope, and other angular orientations are in topped scope, with realize go round and begin again between breath and break-make low-pressure cavity; Gas port can be also other shape through hole such as long waist shaped of circular hole, movable orbiting scroll 4 cylindricals gas port H when particular job position communicates with air-breathing low-pressure cavity D, the medium pressure gas of middle pressure back pressure cavity E leaks to air-breathing low-pressure cavity D, after movable orbiting scroll 4 reruns, the moving turbine base of movable orbiting scroll 4 covers gas port H makes gas port leak and close to air-breathing low-pressure cavity D, and with the moving turbine position base change of compressor operation movable orbiting scroll 4, gas port often being circled all has a special position air guide.
Claims (10)
1. one and half envelope scroll compressors, comprise protecgulum (1), housing (2), quiet whirlpool dish (3), movable orbiting scroll (4), support (5), live axle (6) and motor (7), protecgulum (1) is tightly connected by link with housing (2), the fixing quiet whirlpool dish of protecgulum (1) (3), quiet whirlpool dish (3) comprises quiet turbine and quiet turbine base, movable orbiting scroll (4) comprises moving turbine and moving turbine base, the moving turbine of movable orbiting scroll (4) is supporting to be placed on the quiet turbine of quiet whirlpool dish (3), the moving turbine base of movable orbiting scroll (4) is placed on anti-attrition sealing gasket (10), anti-attrition sealing gasket (10) is arranged on support (5), support (5) is fixed on quiet whirlpool dish (3) or protecgulum (1), one end of live axle (6) is connected on movable orbiting scroll (4) by bearing, live axle (6) the other end is connected on housing (2) by bearing, in housing (2), be provided with motor (7), motor (7) rotor ring is on live axle (6), it is characterized in that there is motive sealing between live axle (6) and support (5), support (5), in forming between anti-attrition sealing gasket (10) and movable orbiting scroll (4), press back pressure cavity (E), on housing (2), be provided with suction port (A), suction port (A) connects air-breathing low-pressure cavity (D), on protecgulum (1), be provided with exhaust port (B), exhaust port (B) connects exhaust hyperbaric chamber (C), quiet turbine is connected with exhaust hyperbaric chamber (C) with the pore that the compression chamber that moving turbine forms coils on (3) by quiet whirlpool, the edge that (3) are coiled in anti-attrition sealing gasket (10) and quiet whirlpool is provided with middle pressure back pressure cavity (E) and is connected the back pressure air guide channel (G) of use with air-breathing low-pressure cavity (D), in back pressure air guide channel (G), be provided with back pressure guide valve (8), the edge of anti-attrition sealing gasket (10) is provided with middle pressure back pressure cavity (E) and is connected the back pressure gas-entered passageway (F) of use with exhaust hyperbaric chamber (C), the moving turbine of movable orbiting scroll (4) carries out plane motion in the quiet turbine of (3) is coiled in quiet whirlpool makes the moving turbine base of movable orbiting scroll (4) can be at upper envelope inner circle movement locus and the envelope cylindrical movement locus of producing of anti-attrition sealing gasket (10), on anti-attrition sealing gasket (10), be provided with gas port (H), gas port (H) has partly or entirely between envelope inner circle and envelope cylindrical.
2. a kind of scroll compressor that partly seals according to claim 1, it is characterized in that anti-attrition sealing gasket (10) and the envelope inner circle of the moving turbine base movement locus of movable orbiting scroll (4) and envelope cylindrical between near the position of envelope inner circle, be provided with gas port (H), the moving turbine base of movable orbiting scroll (4) is within the motion cycle of one week, gas port has and partly or entirely exposes outside moving turbine base, and middle pressure back pressure cavity (E) is communicated with by gas port (H) with air-breathing low-pressure cavity (D).
3. a kind of scroll compressor that partly seals according to claim 1, is characterized in that gas port (H) is only provided with one.
4. a kind of scroll compressor that partly seals according to claim 1, is characterized in that gas port (H) is provided with two or a plurality of on anti-attrition sealing gasket (10).
5. a kind of scroll compressor that partly seals according to claim 1, is characterized in that gas port (H) is for circular hole, square hole, bar hole or funnel-shaped hole.
6. a kind of scroll compressor that partly seals according to claim 1, is characterized in that motive sealing is the motive sealing of lip formula.
7. a kind of scroll compressor that partly seals according to claim 1, it is characterized in that being provided with on the face of support (5) and anti-attrition sealing gasket (10) contact be connected back pressure gas-entered passageway (F) cushion hole or/and dashpot.
8. a kind of scroll compressor that partly seals according to claim 7, is characterized in that cushion hole is arranged on the marginal position of anti-attrition sealing gasket (10), or/and dashpot extends to edge from the home position of anti-attrition sealing gasket (10).
9. a kind of scroll compressor that partly seals according to claim 1, is characterized in that being provided with anti-rotation mechanism between support (5) and movable orbiting scroll (4), and anti-rotation mechanism is through anti-attrition sealing gasket (10).
10. a kind of scroll compressor that partly seals according to claim 1, is characterized in that anti-rotation mechanism is comprised of circular pit, annulus and short column; Or circular pit is arranged on the moving turbine base of movable orbiting scroll 4, and annulus is placed in circular pit, and short column is fixed on base, short column extend in circular pit through the hole on anti-attrition sealing gasket (10), and annulus is made by high-abrasive material; Or back pressure guide valve is set air guide cracking pressure by spring, while making compressor operating, Pressure in Back-pressure Cavity is the working pressure of design; Or gas-entered passageway is designed to capillary tube pattern and realizes expenditure and pressure, make it to match with back pressure air guide channel.
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| CN105114303A (en) * | 2015-09-18 | 2015-12-02 | 苏州中成汽车空调压缩机有限公司 | Scroll compressor |
| CN105909518A (en) * | 2016-06-29 | 2016-08-31 | 东莞市金达机电有限公司 | Air compression component of vortex air compressor |
| CN106014977A (en) * | 2016-06-08 | 2016-10-12 | 湖南贝特新能源科技有限公司 | Scroll compressor |
| CN106014978A (en) * | 2016-07-05 | 2016-10-12 | 湖南贝特新能源科技有限公司 | Scroll compressor |
| CN106286294A (en) * | 2016-09-19 | 2017-01-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Screw compressor |
| CN106523360A (en) * | 2016-12-14 | 2017-03-22 | 宁波汇峰聚威科技股份有限公司 | Scroll compressor capable of quickly relieving pressure |
| CN108834423A (en) * | 2016-03-25 | 2018-11-16 | 三电汽车部件株式会社 | Scrawl compressor |
| CN110234881A (en) * | 2017-01-27 | 2019-09-13 | 松下知识产权经营株式会社 | Scroll compressor |
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| CN106286294B (en) * | 2016-09-19 | 2019-06-07 | 珠海格力电器股份有限公司 | Screw compressor |
| CN106523360A (en) * | 2016-12-14 | 2017-03-22 | 宁波汇峰聚威科技股份有限公司 | Scroll compressor capable of quickly relieving pressure |
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| CN110234881B (en) * | 2017-01-27 | 2021-07-30 | 松下知识产权经营株式会社 | Scroll compressor having a discharge port |
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| CN103629111B (en) | 2016-08-24 |
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Effective date of registration: 20160630 Address after: 410205, No. 669, Lu Song Road, hi tech Development Zone, Hunan, Changsha Applicant after: Hunan Tangpuyuesi Compressor Technology Co., Ltd. Address before: High tech Development Zone, Yuelu District city Changsha Lusong Lu Valley Road 410205 Hunan province Changsha No. 669 Applicant before: Hunan Vaqoung Electric Co. Ltd. |
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