Semi-oilless scroll compressor
阅读说明:本技术 一种半无油涡旋式压缩机 (Semi-oilless scroll compressor ) 是由 陈伟成 于 2019-11-09 设计创作,主要内容包括:本发明具体涉及一种半无油涡旋式压缩机,包括电机、联轴器、联接盘、机座、转轴、轴承、动盘及静盘,联接盘和机座相连接,电机安装于联接盘一侧处,电机与转轴之间通过联轴器联接,联接盘、机座与转轴之间通过轴承相连接,转轴一端与动盘相连接,动盘与静盘相配合,其中:它还设有轴承润滑系统和压缩腔冷却液系统,油气分离桶连接有油气分离装置,油气分离装置的二次出口与进气阀的导气道之间通过第二管道相连接。本发明的有益效果是:本结构通过轴承润滑系统和压缩腔冷却液系统组合使用,能让液润滑可使用长期低温的润滑油,不受原来为控制排气温度把各油温抬高;也不受压缩空气低于压力露点温度时析出水的污染,使轴承充分润滑及不会生锈。(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.)
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).
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
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
the
The compression cavity cooling
The oil-
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
The movable disk vortex sheet of
The
As shown in fig. 2 and 7, the mechanical
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
As shown in fig. 1 to 5, the oil-
As shown in fig. 1 to 5, the
As shown in fig. 1, a semi-oilless scroll compressor, including
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
The oil-
The working principle of the electric control
The electrically controlled
As shown in fig. 7, the invention also discloses a semi-oilless scroll compressor, which comprises a
The bearing
The compression cavity cooling
The oil-
One end of the first
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.
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