CN110792594A - Semi-oilless scroll compressor - Google Patents
Semi-oilless scroll compressor Download PDFInfo
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- CN110792594A CN110792594A CN201911091128.2A CN201911091128A CN110792594A CN 110792594 A CN110792594 A CN 110792594A CN 201911091128 A CN201911091128 A CN 201911091128A CN 110792594 A CN110792594 A CN 110792594A
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- oil
- oil inlet
- inlet
- bearing
- gas separation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/28—Safety arrangements; Monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- F04C29/025—Lubrication; Lubricant separation using a lubricant pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
- F04C29/042—Heating; Cooling; Heat insulation by injecting a fluid
Abstract
The invention relates to a semi-oilless scroll compressor, which comprises a motor, a coupling disc, a machine base, a rotating shaft, a bearing, a movable disc and a static disc, wherein the coupling disc is connected with the machine base, the motor is arranged at one side of the coupling disc, the motor is connected with the rotating shaft through the coupling, the coupling disc, the machine base and the rotating shaft are connected through the bearing, one end of the rotating shaft is connected with the movable disc, and the movable disc is matched with the static disc, wherein: the oil-gas separation barrel is connected with an oil-gas separation device, and a secondary outlet of the oil-gas separation device is connected with a gas guide passage of the gas inlet valve through a second pipeline. The invention has the beneficial effects that: the structure can use the lubricating oil with low temperature for a long time by combining the bearing lubricating system and the compression cavity cooling liquid system, and the oil temperature is not raised by controlling the exhaust temperature in the prior art; and the bearing is not polluted by water separated out when the temperature of the compressed air is lower than the pressure dew point temperature, so that the bearing is fully lubricated and does not rust.
Description
Technical Field
The invention relates to the technical field of scroll compressors, in particular to a semi-oilless scroll compressor.
Background
The Chinese patent office discloses an invention name as follows: a small scroll air compressor having the following application numbers: CN201820687366.3, the structure is: the oil-gas separator is connected in series with a cooler and an oil filter, the cooler is fixed with a fan, and the compressor host is provided with a compression cavity oil supply port and a lubricating oil supply port for lubricating the compressor host; the static disc is provided with an upper pressure-involving port, a steel ball for one-way use and a return spring, the return spring is propped against the steel ball, the steel ball is arranged in the upper pressure-involving port, and an exhaust one-way valve core is arranged at an exhaust port of the static disc.
The prior art has the following problems in the use process: originally, raise each oil temperature for control exhaust temperature, lubricating oil still is in the low temperature state, and exhaust temperature still exists and is less than pressure dew point temperature promptly for the pollution of compressed air eduction water breaks lubricating oil, leads to the lubricating oil to float, makes the bearing obtain not fully lubricated and can appear rustting, makes the bearing damage easily. In addition, the liquid sprayed from the compression cavity is used together with shaft lubricating oil, the oil quantity is large, the compressor needs to be started for a long time to raise the temperature of all oil to be higher than the pressure dew point temperature, and the compressor is not suitable for being used under various pressures for a short time.
Disclosure of Invention
The present invention is directed to overcome the above-mentioned disadvantages of the prior art, and to provide a semi-oilless scroll compressor which can perform a better emulsification effect and a better lubrication effect when the oil temperature reaches a predetermined temperature without releasing water when entering the compressor main body.
The invention describes a semi-oilless scroll compressor, which comprises a motor, a coupling disc, a machine base, a rotating shaft, a bearing, a movable disc and a static disc, wherein the coupling disc is connected with the machine base, the motor is arranged at one side of the coupling disc, the motor is connected with the rotating shaft through the coupling, the coupling disc, the machine base and the rotating shaft are connected through the bearing, one end of the rotating shaft is connected with the movable disc, and the movable disc is matched with the static disc, wherein: it also has bearing lubricating system and compression cavity cooling liquid system.
The bearing lubricating system comprises a first oil inlet, a third oil inlet, an auxiliary oil inlet, an oil return pipe, an oil tank, an oil pump, an exhaust cover, a first oil supply pipe, a first cooler and a first filter, wherein the first oil inlet is positioned on the machine base, the auxiliary oil inlet is positioned on the movable disc, and the first oil inlet and the auxiliary oil inlet are communicated with each other; the outlet of supplementary oil inlet is linked together with the movable disc bearing, flow to the frame bearing again, the frame is equipped with back oil pipe, the frame bearing is linked together with back oil pipe, constitute quiet dish cooling chamber between exhaust lid and the quiet dish, exhaust lid is last to be equipped with the third oil inlet and to return oil pipe, the oil return of exhaust lid and the oil return of frame collect the oil tank through returning oil pipe, the exit linkage of oil tank has the oil pump, the oil pump is connected with first cooler, first oil inlet, be linked together through first oil supply pipe between third oil inlet and the first cooler, and first oil supply pipe is equipped with first filter.
The compression cavity cooling liquid system comprises a second oil inlet, a first pipeline, an oil-gas separation barrel, a cooling oil return pipe, a second cooler, a cooling flood oil pipe, and a temperature control valve which is a mechanical temperature control valve and a second filter.
First pipeline one end is connected with quiet dish delivery outlet, and the first pipeline other end is connected with the oil-gas separation bucket, returns the oil pipe through the cooling between oil-gas separation bucket and the second cooler and is connected, and the second oil inlet is located quiet dish and communicates with the compression chamber, and the temperature-sensing valve is that mechanical temperature-sensing valve establishes ties at cooling flood line.
The oil-gas separation barrel is connected with an oil-gas separation device, and a secondary outlet of the oil-gas separation device is connected with the gas guide passage of the gas inlet valve through a second pipeline.
And the static disc is provided with a combined sealing ring, the combined sealing ring comprises a wear-resistant ring and an elastic sealing ring, and the wear-resistant ring and the elastic sealing ring are superposed and placed at the joint of the sealing movable disc and the static disc to separate the bearing lubricating system from the compression cavity cooling liquid system.
The movable disk vortex sheet of movable disk and the quiet dish vortex sheet of quiet dish cooperate, and movable disk vortex sheet and quiet dish vortex sheet are equipped with first sealing washer and second sealing washer respectively, and first sealing washer is located the contact surface department of the top of movable disk vortex sheet and quiet dish, and the second sealing washer is located the contact surface department of the top of quiet dish vortex sheet and movable disk.
The air inlet is connected with the air inlet valve, the movable disc and the static disc form a compression inner cavity, and one end of the air inlet is communicated with the compression inner cavity.
The mechanical temperature control valve is provided with a valve body, a temperature control element, a piston and a reset spring, a temperature sensing end of the temperature control element is installed on a first pipeline, a telescopic end of the temperature control element is connected with one end of the piston, the reset spring is located at the other end of the piston, an oil inlet and an oil outlet of the temperature control valve are arranged on the valve body, the piston is provided with a piston through hole and a sealing ring, the piston through hole is communicated with the oil outlet of the temperature control valve, a second cooler is connected with the oil inlet of the temperature control valve through a cooling flood pipe and a second filter, and the oil inlet of the temperature control valve is.
The oil-gas separation barrel is respectively provided with a liquid level sensing element, and the liquid level sensing elements are positioned above the liquid level in the oil-gas separation barrel.
The first cooler and the second cooler are provided with at least one or more cooling fans.
The invention also discloses a semi-oilless scroll compressor, which comprises a motor, a coupling disc, a machine base, a rotating shaft, a bearing, a movable disc and a static disc, wherein the coupling disc is connected with the machine base, the motor is arranged at one side of the coupling disc, the motor is connected with the rotating shaft through the coupling, the coupling disc, the machine base and the rotating shaft are connected through the bearing, one end of the rotating shaft is connected with the movable disc, and the movable disc is matched with the static disc, wherein: it also has bearing lubricating system and compression cavity cooling liquid system.
The bearing lubricating system comprises a first oil inlet, a third oil inlet, an auxiliary oil inlet, an oil return pipe, an oil tank, an oil pump, an exhaust cover, a first oil supply pipe, a first cooler and a first filter, wherein the first oil inlet is positioned on the machine base, the auxiliary oil inlet is positioned on the movable disc, and the first oil inlet and the auxiliary oil inlet are communicated with each other; the outlet of supplementary oil inlet is linked together with the movable disc bearing, flow to the frame bearing again, the frame is equipped with back oil pipe, the frame bearing is linked together with back oil pipe, constitute quiet dish cooling chamber between exhaust lid and the quiet dish, exhaust lid is last to be equipped with the third oil inlet and to return oil pipe, the oil return of exhaust lid and the oil return of frame collect the oil tank through returning oil pipe, the exit linkage of oil tank has the oil pump, the oil pump is connected with first cooler, first oil inlet, be linked together through first oil supply pipe between third oil inlet and the first cooler, and first oil supply pipe is equipped with first filter.
The compression cavity cooling liquid system comprises a second oil inlet, a first pipeline, an oil-gas separation barrel, a cooling oil return pipe, a second cooler, a cooling flood oil pipe, an electric control electromagnetic valve and a second filter.
First pipeline one end is connected with quiet dish delivery outlet, and the first pipeline other end is connected with the oil-gas separation bucket, returns the oil pipe through the cooling between oil-gas separation bucket and the second cooler and is connected, and the second oil inlet is located quiet dish and communicates with the compression chamber, and automatically controlled solenoid valve establishes ties at cooling flood discharge oil pipe.
The oil-gas separation barrel is connected with an oil-gas separation device, and a secondary outlet of the oil-gas separation device is connected with the gas guide passage of the gas inlet valve through a second pipeline.
The invention also discloses a semi-oilless scroll compressor, which comprises a motor, a coupling disc, a machine base, a rotating shaft, a bearing, a movable disc and a static disc, wherein the coupling disc is connected with the machine base, the motor is arranged at one side of the coupling disc, the motor is connected with the rotating shaft through the coupling, the coupling disc, the machine base and the rotating shaft are connected through the bearing, one end of the rotating shaft is connected with the movable disc, and the movable disc is matched with the static disc, wherein: it also has bearing lubricating system and compression cavity cooling liquid system.
The bearing lubricating system comprises a first oil inlet, a third oil inlet, an auxiliary oil inlet, an exhaust cover and a first oil supply pipe, wherein the first oil inlet is positioned on the machine base, the auxiliary oil inlet is positioned on the movable disc, and the first oil inlet and the auxiliary oil inlet are mutually communicated; the outlet of the auxiliary oil inlet is communicated with the movable disc bearing and then flows onto the rack bearing, a static disc cooling chamber is formed between the exhaust cover and the static disc, and a third oil inlet is formed in the exhaust cover.
The compression cavity cooling liquid system comprises a second oil inlet, a first pipeline, an oil-gas separation barrel, a cooling oil return pipe, a second cooler, a cooling flood oil pipe, a mechanical temperature control valve and a second filter.
First pipeline one end is connected with quiet dish delivery outlet, and the first pipeline other end is connected with the oil-gas separation bucket, returns the oil pipe through the cooling between oil-gas separation bucket and the second cooler and is connected, and the second oil inlet is located quiet dish and communicates with the compression chamber, and mechanical temperature-sensing valve establishes ties at cooling flood oil pipe.
The oil-gas separation barrel is connected with an oil-gas separation device, and a secondary outlet of the oil-gas separation device is connected with the gas guide passage of the gas inlet valve through a second pipeline.
One end of the first oil supply pipe is connected with one end of the cooling flood pipe.
The invention has the beneficial effects that: the structure can use the lubricating oil with low temperature for a long time by combining the bearing lubricating system and the compression cavity cooling liquid system, and the oil temperature is not raised by controlling the exhaust temperature in the prior art; the bearing is not polluted by water precipitated when the temperature of the compressed air is lower than the pressure dew point temperature, namely, the lubricating oil for the bearing is not floated, so that the bearing is fully lubricated and does not rust; no sundry pollution caused by air. In addition, the compression cavity spray is independent from the shaft lubricating oil, so the compression cavity spray is not afraid of emulsification, can be suitable for starting in a short time and can be suitable for compressors under various pressures.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
FIG. 3 is a schematic view of the bearing lubrication system and the distribution of the compression chamber coolant system of the present invention.
Fig. 4 is a partially enlarged schematic view of the present invention.
Fig. 5 is a partially enlarged schematic view of a portion a of fig. 4.
Fig. 6 is a schematic view of the structure of a mechanical thermostatic valve.
Fig. 7 is a schematic structural diagram of a third embodiment of the present invention.
The following figures are diagrammatic illustrations: a motor 1; a coupler 2; a coupling disk 3; a machine base 4; a rotating shaft 5; a bearing 6; a movable disk 7; a movable disc bearing 701; a frame bearing 702; a first seal ring 703; a stationary plate cooling chamber 704; a stationary disc 8; a combined seal ring 801; a second seal ring 802; a bearing lubrication system 9; a first oil inlet 901; a third oil inlet 902; an auxiliary oil inlet 903; an oil return pipe 904; an oil tank 905; an oil pump 906; an exhaust cover 907; a first oil supply pipe 908; a first cooler 909; a first filter 910; a compression chamber coolant system 10; a second oil inlet 1001; a first conduit 1002; an oil-gas separation barrel 1003; a drum outlet 10031; the oil-gas separation barrel electromagnetic valve 10032; the liquid level sensing element 10033; a cooling oil return pipe 1004; a second cooler 1005; cooling flood pipes 1006; a mechanical temperature control valve 1007; valve body 10071; temperature control element 10072; the piston 10073; a piston through hole 100731; a return spring 10074; an oil inlet 10075 of the thermostatic valve; oil outlet 10076 of the thermostatic valve; a seal ring 10077; an electrically controlled solenoid valve 1008; a second filter 1009; a stationary disk output 1010; an oil-gas separation device 11; an intake valve 12; a second duct 13; an air inlet 14; and a cooling fan 15.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
As shown in fig. 2, the invention describes a semi-oilless scroll compressor, which comprises a motor 1, a coupling 2, a coupling disk 3, a base 4, a rotating shaft 5, a bearing 6, a movable disk 7 and a static disk 8, wherein the coupling disk 3 is connected with the base 4, the motor 1 is installed at one side of the coupling disk 3, the motor 1 is connected with the rotating shaft 5 through the coupling 2, the coupling disk 3, the base 4 and the rotating shaft 5 are connected through the bearing 6, one end of the rotating shaft 6 is connected with the movable disk 7, and the movable disk 7 is matched with the static disk 8, and the semi-oilless scroll compressor is characterized in that: it is also provided with a bearing lubrication system 9 and a compression chamber coolant system 10,
the bearing lubrication system 9 comprises a first oil inlet 901, a third oil inlet 902, an auxiliary oil inlet 903, an oil return pipe 904, an oil tank 905, an oil pump 906, an exhaust cover 907, a first oil supply pipe 908, a first cooler 909 and a first filter 910, wherein the first oil inlet 901 is positioned on the base, the auxiliary oil inlet 903 is positioned on the movable plate 7, and the first oil inlet 901 and the auxiliary oil inlet 903 are communicated with each other; an outlet of the auxiliary oil inlet 903 is communicated with the movable disc bearing 701 and then flows onto the frame bearing 702, the frame 4 is provided with an oil return pipe 904, the frame bearing 702 is communicated with the oil return pipe 904, a stationary disc cooling chamber 704 is formed between the exhaust cover 907 and the stationary disc 8, the exhaust cover 907 is provided with a third oil inlet 902 and the oil return pipe 904, return oil of the exhaust cover 907 and return oil of the frame 4 are collected to an oil tank 905 through the oil return pipe, an outlet of the oil tank 905 is connected with an oil pump 906, the oil pump 906 is connected with a first cooler 909, the first oil inlet 901, the third oil inlet 902 and the first cooler 909 are communicated through a first oil supply pipe 908, and the first oil supply pipe 908 is provided with a first filter 910.
The compression cavity cooling liquid system 10 comprises a second oil inlet 1001, a first pipeline 1002, an oil-gas separation barrel 1003, a cooling oil return pipe 1004, a second cooler 1005, a cooling flood oil pipe 1006, a temperature control valve and a second filter 1009.
The oil-gas separation barrel 1003 is connected with an oil-gas separation device 11, and a secondary outlet of the oil-gas separation device 11 is connected with a gas guide passage of the gas inlet valve 12 through a second pipeline 13.
The structure can use the lubricating oil with low temperature for a long time by combining the bearing lubricating system and the compression cavity cooling liquid system, and the oil temperature is not raised by controlling the exhaust temperature in the prior art; the bearing is not polluted by water precipitated when the temperature of the compressed air is lower than the pressure dew point temperature, namely, the lubricating oil for the bearing is not floated, so that the bearing is fully lubricated and does not rust; no sundry pollution caused by air. In addition, the compression cavity spray is independent from the shaft lubricating oil, so the compression cavity spray is not afraid of emulsification, can be suitable for starting in a short time and can be suitable for compressors under various pressures.
The temperature control valve can spray little oil or not at low temperature, spray more oil or spray all oil at high temperature, and execute repeatedly.
And a combined sealing ring 801 is arranged on the static disc 8, the combined sealing ring 801 comprises a wear-resistant ring and an elastic sealing ring, and the wear-resistant ring and the elastic sealing ring are superposed at the joint of the movable sealing disc 7 and the static disc 8 to separate the bearing lubricating system 9 from the compression cavity cooling liquid system 10.
The movable disk vortex sheet of movable disk 7 and the static disk vortex sheet of static disk 8 cooperate, and movable disk vortex sheet and static disk vortex sheet are equipped with first sealing washer 703 and second sealing washer 802 respectively, and first sealing washer 703 is located the contact surface department of the top of movable disk vortex sheet and static dish, and second sealing washer 802 is located the contact surface department of the top of static disk vortex sheet and movable disk. The cooling liquid of the compression cavity cooling system is isolated from the lubricating liquid of the bearing lubricating system and cannot be mixed together. One of the combined sealing rings has an elastic compensation effect, and the combined sealing ring has the compensation effect after the contact ring surface is worn, so that the long service life effect and the high reliability are achieved.
The air inlet 14 is connected with the air inlet valve 12, the movable disc 7 and the static disc 8 form a compression inner cavity, and one end of the air inlet is communicated with the compression inner cavity, so that the air effect required by compression can be improved.
As shown in fig. 2 and 7, the mechanical thermostatic valve 1007 is provided with a valve body 10071, a thermostatic element 10072, a piston 10073 and a return spring 10074, a temperature sensing end of the thermostatic element 10072 is mounted on the first pipe 1002, a telescopic end of the thermostatic element 10072 is connected with one end of the piston 10073, the return spring 10074 is located at the other end of the piston 10073, the valve body 1007 is provided with an oil inlet 10075 of the thermostatic valve and an oil outlet 10076 of the thermostatic valve, the piston 10073 is provided with a piston through hole 100731 and a sealing ring 10077, the piston through hole 100731 is communicated with the oil outlet 10076 of the thermostatic valve, the second cooler 1005 is connected with the oil inlet 10075 of the thermostatic valve through a cooling flood oil pipe 1006 and a second filter 1009, and the oil inlet 10075 of the thermostatic valve is connected with a second oil.
The working principle of the mechanical temperature control valve is as follows: when the compressor starts, the temperature of the compressor gas discharged from the first pipeline 1002 gradually rises, the temperature control element of the mechanical temperature control valve senses the temperature of the fluid, when the temperature of the fluid reaches the design value of the temperature control element, the upper end of the temperature control element extends to push the piston to move upwards, so that the oil flows out from the oil inlet 10075 of the temperature control valve through the piston through hole 100731, flows out from the oil outlet 10076 of the temperature control valve, is communicated to the second oil inlet and is sprayed to the compression cavity, the temperature of the compression cavity is reduced, when the temperature control element senses that the temperature and the opening amplitude of the piston reach the balance, the temperature keeps working constantly, the automatic balance function of the exhaust temperature is achieved, and the mechanical temperature control valve can realize the constant temperature function through stepless speed change.
As shown in fig. 1 to 5, the oil-gas separation barrels 1003 are respectively provided with a liquid level sensing element 10033, and the liquid level sensing element 10033 is located above the liquid level in the oil-gas separation barrels 1003. The oil-gas separation barrel 1003 is respectively provided with a barrel outlet 10031 and an oil-gas separation barrel electromagnetic valve blow-off valve 10032, and the liquid level sensing element 10033 is positioned above the liquid level in the oil-gas separation barrel 1003. Before the machine is started up every day, the height of the liquid level is detected, and when the liquid level reaches a limit position in the using process, an alarm signal is sent out or the machine is stopped, so that a client is required to process the liquid level to restart the machine, and the oil emulsion problem is effectively reduced.
As shown in fig. 1 to 5, the first cooler 909 and the second cooler 1005 are provided with at least one or more cooling fans 15, so that the first cooler 909 and the second cooler 1005 can be cooled.
As shown in fig. 1, a semi-oilless scroll compressor, including motor 1, shaft coupling 2, coupling disk 3, frame 4, pivot 5, bearing 6, driving disk 7 and quiet dish 8, coupling disk 3 and frame 4 are connected, motor 1 installs in 3 one side departments of coupling disk, through the coupling 2 hookups between motor 1 and the pivot 5, coupling disk 3, be connected through bearing 6 between frame 4 and the pivot 5, 6 one ends of pivot are connected with driving disk 7, driving disk 7 cooperatees with quiet dish 8, its characterized in that: it is also provided with a bearing lubrication system 9 and a compression chamber coolant system 10.
The bearing lubrication system 9 comprises a first oil inlet 901, a third oil inlet 902, an auxiliary oil inlet 903, an oil return pipe 904, an oil tank 905, an oil pump 906, an exhaust cover 907, a first oil supply pipe 908, a first cooler 909 and a first filter 910, wherein the first oil inlet 901 is positioned on the base, the auxiliary oil inlet 903 is positioned on the movable plate 7, and the first oil inlet 901 and the auxiliary oil inlet 903 are communicated with each other; an outlet of the auxiliary oil inlet 903 is communicated with the movable disc bearing 701 and then flows onto the frame bearing 702, the frame 4 is provided with an oil return pipe 904, the frame bearing 702 is communicated with the oil return pipe 904, a stationary disc cooling chamber 704 is formed between the exhaust cover 907 and the stationary disc 8, the exhaust cover 907 is provided with a third oil inlet 902 and the oil return pipe 904, return oil of the exhaust cover 907 and return oil of the frame 4 are collected to an oil tank 905 through the oil return pipe, an outlet of the oil tank 905 is connected with an oil pump 906, the oil pump 906 is connected with a first cooler 909, the first oil inlet 901, the third oil inlet 902 and the first cooler 909 are communicated through a first oil supply pipe 908, and the first oil supply pipe 908 is provided with a first filter 910.
The compression cavity cooling liquid system 10 comprises a second oil inlet 1001, a first pipeline 1002, an oil-gas separation barrel 1003, a cooling oil return pipe 1004, a second cooler 1005, a cooling flood pipe 1006, an electric control solenoid valve 1008 and a second filter 1009.
The oil-gas separation barrel 1003 is connected with an oil-gas separation device 11, and a secondary outlet of the oil-gas separation device 11 is connected with a gas guide passage of the gas inlet valve 12 through a second pipeline 13.
The working principle of the electric control electromagnetic valve 1008 is as follows: when the compressor starts, the temperature of the compressor gas discharged from the first pipeline 1002 gradually rises, the temperature control element of the mechanical temperature control valve senses the temperature of the fluid, when the temperature of the fluid reaches the design value of the temperature control element, the upper end of the temperature control element extends to push the piston to move upwards, so that the oil flows out from the oil inlet 10075 of the temperature control valve through the piston through hole 100731, flows out from the oil outlet 10076 of the temperature control valve, is communicated to the second oil inlet and is sprayed to the compression cavity, the temperature of the compression cavity is reduced, when the temperature control element senses that the temperature and the opening amplitude of the piston reach the balance, the temperature keeps working constantly, the automatic balance function of the exhaust temperature is achieved, and the mechanical temperature control valve can realize the constant temperature function through stepless speed change.
The electrically controlled solenoid valve 1008 can only work within a set range, and the switching action is switched frequently, so that the temperature of the lubricating oil can be controlled within a certain temperature range.
As shown in fig. 7, the invention also discloses a semi-oilless scroll compressor, which comprises a motor 1, a coupling 2, a coupling disc 3, a base 4, a rotating shaft 5, a bearing 6, a movable disc 7 and a static disc 8, wherein the coupling disc 3 is connected with the base 4, the motor 1 is installed at one side of the coupling disc 3, the motor 1 is connected with the rotating shaft 5 through the coupling 2, the coupling disc 3, the base 4 and the rotating shaft 5 are connected through the bearing 6, one end of the rotating shaft 6 is connected with the movable disc 7, and the movable disc 7 is matched with the static disc 8, and the semi-oilless scroll compressor is characterized in: it is also provided with a bearing lubrication system 9 and a compression chamber coolant system 10.
The bearing lubrication system 9 comprises a first oil inlet 901, a third oil inlet 902, an auxiliary oil inlet 903, an exhaust cover 907 and a first oil supply pipe 908, wherein the first oil inlet 901 is positioned on the base, the auxiliary oil inlet 903 is positioned on the movable disc 7, and the first oil inlet 901 is communicated with the auxiliary oil inlet 903; the outlet of the auxiliary oil inlet 903 is communicated with the movable disc bearing 701 and then flows onto the rack bearing 702, a stationary disc cooling chamber 704 is formed between the exhaust cover 907 and the stationary disc 8, and a third oil inlet 902 is formed in the exhaust cover 907.
The compression cavity cooling liquid system 10 comprises a second oil inlet 1001, a first pipeline 1002, an oil-gas separation barrel 1003, a cooling oil return pipe 1004, a second cooler 1005, a cooling flood oil pipe 1006, a mechanical temperature control valve 1007 and a second filter 1009;
The oil-gas separation barrel 1003 is connected with an oil-gas separation device 11, and a secondary outlet of the oil-gas separation device 11 is connected with a gas guide passage of the gas inlet valve 12 through a second pipeline 13.
One end of the first oil supply pipe 908 is connected to one end of the cooling flood pipe 1006, so as to simplify the overall structure.
The present invention is not limited to the above preferred embodiments, but rather, any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a semi-oilless scroll compressor, including motor (1), shaft coupling (2), coupling disk (3), frame (4), pivot (5), bearing (6), driving disk (7) and quiet dish (8), coupling disk (3) and frame (4) are connected, motor (1) is installed in coupling disk (3) one side department, through shaft coupling (2) hookup between motor (1) and pivot (5), coupling disk (3), be connected through bearing (6) between frame (4) and pivot (5), pivot (6) one end is connected with driving disk (7), driving disk (7) cooperate with quiet dish (8), its characterized in that: it is also provided with a bearing lubricating system (9) and a compression cavity cooling liquid system (10),
the bearing lubricating system (9) comprises a first oil inlet (901), a third oil inlet (902), an auxiliary oil inlet (903), an oil return pipe (904), an oil tank (905), an oil pump (906), an exhaust cover (907), a first oil supply pipe (908), a first cooler (909) and a first filter (910), wherein the first oil inlet (901) is positioned in the base (4), the auxiliary oil inlet (903) is positioned in the movable disc (7), and the first oil inlet (901) and the auxiliary oil inlet (903) are communicated with each other; an outlet of the auxiliary oil inlet (903) is communicated with the movable disc bearing (701) and then flows onto the rack bearing (702), an oil return pipe (904) is arranged on the base (4), the rack bearing (702) is communicated with the oil return pipe (904), a static disc cooling chamber (704) is formed between the exhaust cover (907) and the static disc (8), a third oil inlet (902) and the oil return pipe (904) are arranged on the exhaust cover (907), the oil return of the exhaust cover (907) and the oil return of the base (4) are collected into an oil tank (905) through the oil return pipe, an outlet of the oil tank (905) is connected with an oil pump (906), the oil pump (906) is connected with a first cooler (909), a first oil inlet (901), a third oil inlet (902) and the first cooler (909) are communicated through a first oil supply pipe (908), and the first oil supply filter (910) is arranged on the first oil supply pipe (908);
the compression cavity cooling liquid system (10) comprises a second oil inlet (1001), a first pipeline (1002), an oil-gas separation barrel (1003), a cooling oil return pipe (1004), a second cooler (1005), a cooling flood pipe (1006), a mechanical temperature control valve (1007) and a second filter (1009);
one end of a first pipeline (1002) is connected with a static disc output port (1010), the other end of the first pipeline (1002) is connected with an oil-gas separation barrel (1003), the oil-gas separation barrel (1003) is connected with a second cooler (1005) through a cooling oil return pipe (1004), a second oil inlet (1001) is positioned on a static disc (8) and communicated with a compression cavity, and a mechanical temperature control valve (1007) is connected in series with a cooling flood oil pipe (1006);
the oil-gas separation barrel (1003) is connected with an oil-gas separation device (11), and a secondary outlet of the oil-gas separation device (11) is connected with a gas guide channel of the gas inlet valve (12) through a second pipeline (13).
2. A semi-oil-free scroll compressor as claimed in claim 1, wherein: and a combined sealing ring (801) is arranged on the static disc (8), the combined sealing ring (801) comprises a wear-resistant ring and an elastic sealing ring, the wear-resistant ring and the elastic sealing ring are superposed at the joint of the sealing movable disc (7) and the static disc (8), and the bearing lubricating system (9) and the compression cavity cooling liquid system (10) are separated.
3. A semi-oil-free scroll compressor as claimed in claim 1, wherein: the movable disk vortex sheet of movable disk (7) and the quiet dish vortex sheet of quiet dish (8) cooperate, and movable disk vortex sheet and quiet dish vortex sheet are equipped with first sealing washer (703) and second sealing washer (802) respectively, and first sealing washer (703) are located the contact surface department of the top of movable disk vortex sheet and quiet dish, and second sealing washer (802) are located the contact surface department of the top of quiet dish vortex sheet and movable disk.
4. A semi-oil-free scroll compressor as claimed in claim 1, wherein: and the air inlet (14) is connected with an air inlet valve (12), the movable disc (7) and the static disc (8) form a compression inner cavity, and one end of the air inlet is communicated with the compression inner cavity.
5. A semi-oil-free scroll compressor as claimed in claim 1, wherein: mechanical temperature control valve (1007) is equipped with valve body (10071), temperature control element (10072), piston (10073) and reset spring (10074), the temperature-sensing end of temperature control element (10072) is installed on first pipeline (1002), the flexible end of temperature control element (10072) is connected with the one end of piston (10073), reset spring position (10074) is in the other end of piston (10073), be equipped with temperature control valve's oil inlet (10075) and temperature control valve oil-out (10076) on valve body (1007), piston (10073) are equipped with piston through-hole (100731) and sealing washer (10077), piston through-hole (100731) are linked together with temperature control valve oil-out (10076), be connected through cooling flood oil pipe (1006) and second filter (1009) between oil inlet (1009) of second cooler (1005) and temperature control valve, oil inlet (10075) of temperature control valve are connected with second oil inlet (1001).
6. A semi-oil-free scroll compressor as claimed in claim 1, wherein: the oil-gas separation barrel (1003) is respectively provided with a liquid level sensing element (10033), and the liquid level sensing element (10033) is positioned above the liquid level in the oil-gas separation barrel (1003).
7. A semi-oil-free scroll compressor as claimed in claim 1, wherein: the first cooler (909) and the second cooler (1005) are provided with at least one or more cooling fans (15).
8. The utility model provides a semi-oilless scroll compressor, including motor (1), shaft coupling (2), coupling disk (3), frame (4), pivot (5), bearing (6), driving disk (7) and quiet dish (8), coupling disk (3) and frame (4) are connected, motor (1) is installed in coupling disk (3) one side department, through shaft coupling (2) hookup between motor (1) and pivot (5), coupling disk (3), be connected through bearing (6) between frame (4) and pivot (5), pivot (6) one end is connected with driving disk (7), driving disk (7) cooperate with quiet dish (8), its characterized in that: it is also provided with a bearing lubricating system (9) and a compression cavity cooling liquid system (10),
the bearing lubricating system (9) comprises a first oil inlet (901), a third oil inlet (902), an auxiliary oil inlet (903), an oil return pipe (904), an oil tank (905), an oil pump (906), an exhaust cover (907), a first oil supply pipe (908), a first cooler (909) and a first filter (910), wherein the first oil inlet (901) is positioned in the base (4), the auxiliary oil inlet (903) is positioned in the movable disc (7), and the first oil inlet (901) and the auxiliary oil inlet (903) are communicated with each other; an outlet of the auxiliary oil inlet (903) is communicated with the movable disc bearing (701) and then flows onto the rack bearing (702), an oil return pipe (904) is arranged on the base (4), the rack bearing (702) is communicated with the oil return pipe (904), a static disc cooling chamber (704) is formed between the exhaust cover (907) and the static disc (8), a third oil inlet (902) and the oil return pipe (904) are arranged on the exhaust cover (907), the oil return of the exhaust cover (907) and the oil return of the base (4) are collected into an oil tank (905) through the oil return pipe, an outlet of the oil tank (905) is connected with an oil pump (906), the oil pump (906) is connected with a first cooler (909), a first oil inlet (901), a third oil inlet (902) and the first cooler (909) are communicated through a first oil supply pipe (908), and the first oil supply filter (910) is arranged on the first oil supply pipe (908);
the compression cavity cooling liquid system (10) comprises a second oil inlet (1001), a first pipeline (1002), an oil-gas separation barrel (1003), a cooling oil return pipe (1004), a second cooler (1005), a cooling flood oil pipe (1006), an electric control electromagnetic valve (1008) and a second filter (1009);
one end of a first pipeline (1002) is connected with a static disc output port (1010), the other end of the first pipeline (1002) is connected with an oil-gas separation barrel (1003), the oil-gas separation barrel (1003) is connected with a second cooler (1005) through a cooling oil return pipe (1004), a second oil inlet (1001) is positioned on a static disc (8) and communicated with a compression cavity, and an electric control electromagnetic valve (1008) is connected in series with a cooling flood oil pipe (1006);
the oil-gas separation barrel (1003) is connected with an oil-gas separation device (11), and a secondary outlet of the oil-gas separation device (11) is connected with a gas guide channel of the gas inlet valve (12) through a second pipeline (13).
9. The utility model provides a semi-oilless scroll compressor, including motor (1), shaft coupling (2), coupling disk (3), frame (4), pivot (5), bearing (6), driving disk (7) and quiet dish (8), coupling disk (3) and frame (4) are connected, motor (1) is installed in coupling disk (3) one side department, through shaft coupling (2) hookup between motor (1) and pivot (5), coupling disk (3), be connected through bearing (6) between frame (4) and pivot (5), pivot (6) one end is connected with driving disk (7), driving disk (7) cooperate with quiet dish (8), its characterized in that: it is also provided with a bearing lubricating system (9) and a compression cavity cooling liquid system (10),
the bearing lubricating system (9) comprises a first oil inlet (901), a third oil inlet (902), an auxiliary oil inlet (903), an exhaust cover (907) and a first oil supply pipe (908), wherein the first oil inlet (901) is positioned on the base (4), the auxiliary oil inlet (903) is positioned on the movable disc (7), and the first oil inlet (901) and the auxiliary oil inlet (903) are communicated with each other; an outlet of the auxiliary oil inlet (903) is communicated with the movable disc bearing (701) and then flows onto the rack bearing (702), a static disc cooling chamber (704) is formed between the exhaust cover (907) and the static disc (8), and a third oil inlet (902) is formed in the exhaust cover (907);
the compression cavity cooling liquid system (10) comprises a second oil inlet (1001), a first pipeline (1002), an oil-gas separation barrel (1003), a cooling oil return pipe (1004), a second cooler (1005), a cooling flood pipe (1006), a mechanical temperature control valve (1007) and a second filter (1009);
one end of a first pipeline (1002) is connected with a static disc output port (1010), the other end of the first pipeline (1002) is connected with an oil-gas separation barrel (1003), the oil-gas separation barrel (1003) is connected with a second cooler (1005) through a cooling oil return pipe (1004), a second oil inlet (1001) is positioned on a static disc (8) and communicated with a compression cavity, and a mechanical temperature control valve (1007) is connected in series with a cooling flood oil pipe (1006);
the oil-gas separation barrel (1003) is connected with an oil-gas separation device (11), and a secondary outlet of the oil-gas separation device (11) is connected with a gas guide channel of the gas inlet valve (12) through a second pipeline (13);
one end of the first oil supply pipe (908) is connected to one end of the cooling flood pipe (1006).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911091128.2A CN110792594A (en) | 2019-11-09 | 2019-11-09 | Semi-oilless scroll compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911091128.2A CN110792594A (en) | 2019-11-09 | 2019-11-09 | Semi-oilless scroll compressor |
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| CN110792594A true CN110792594A (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911091128.2A Pending CN110792594A (en) | 2019-11-09 | 2019-11-09 | Semi-oilless scroll compressor |
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| CN (1) | CN110792594A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111520371A (en) * | 2020-04-30 | 2020-08-11 | 浙江肯特科技股份有限公司 | Self-air-source-control-based oil-supplementing lubricating preparation structure for label washing machine |
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| CN104813086A (en) * | 2013-01-30 | 2015-07-29 | 日本恒温装置株式会社 | Thermo Valve |
| CN208040667U (en) * | 2018-03-30 | 2018-11-02 | 萨震压缩机（上海）有限公司 | It is vented temperature control air compressor machine |
| CN208169113U (en) * | 2018-05-09 | 2018-11-30 | 广东正力精密机械有限公司 | A kind of compact scroll air compressor |
| CN208778226U (en) * | 2018-08-03 | 2019-04-23 | 广东正力精密机械有限公司 | A kind of liquid cooled oil-free turbo-compressor |
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| JPH07243391A (en) * | 1994-02-28 | 1995-09-19 | Mitsubishi Heavy Ind Ltd | Oil recovery device for compressor |
| CN104813086A (en) * | 2013-01-30 | 2015-07-29 | 日本恒温装置株式会社 | Thermo Valve |
| CN208040667U (en) * | 2018-03-30 | 2018-11-02 | 萨震压缩机（上海）有限公司 | It is vented temperature control air compressor machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111520371A (en) * | 2020-04-30 | 2020-08-11 | 浙江肯特科技股份有限公司 | Self-air-source-control-based oil-supplementing lubricating preparation structure for label washing machine |
| CN111520371B (en) * | 2020-04-30 | 2021-12-21 | 浙江肯特科技股份有限公司 | Self-air-source-control-based oil-supplementing lubricating preparation structure for label washing machine |
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