CN114876805A

CN114876805A - Electromagnetic valve oil return control system of oil-gas separator in refrigeration system

Info

Publication number: CN114876805A
Application number: CN202210352658.3A
Authority: CN
Inventors: 仲星
Original assignee: Chuzhou Changdi New Energy Technology Co ltd
Current assignee: Chuzhou Changdi New Energy Technology Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-08-09

Abstract

The invention relates to the technical field of scroll compressors, in particular to an oil-gas separator electromagnetic valve oil return control system in a refrigeration system, which comprises a tank body, wherein a tank cover is in threaded connection with the top of the tank body, a liquid outlet pipe is welded at one end of the center of the outer wall of the top of the tank cover, a pump body is installed at the axis of the outer wall of the top of the tank cover through a bolt, an air inlet pipe and an air outlet pipe are respectively welded on the outer walls of two sides, close to the pump body, of the tank cover, the outer part of the liquid outlet pipe is in threaded connection with a nut barrel, a connecting pipe is welded at the axis of the outer wall of the top of the nut barrel, and a liquid suction pipe extending into the tank body is welded at the axis of the inner wall of the top of the nut barrel. The displacement sensor senses that the floating ball rises to a certain position in the column sleeve to send an electric signal to the pump body, the pump body is started to pump out oil filtered in the filter element through the connecting pipe and the liquid absorbing pipe, and then the oil is conveyed to the interior of the compressor liquid storage tank through the return pipe, so that the oil sprayed out when the compressor exhaust pipe exhausts can be effectively collected and recycled.

Description

Electromagnetic valve oil return control system of oil-gas separator in refrigeration system

Technical Field

The invention relates to the technical field of scroll compressors, in particular to an electromagnetic valve oil return control system of an oil-gas separator in a refrigeration system.

Background

The scroll compressor belongs to a positive displacement compression compressor, the compression component consists of a movable scroll plate and a fixed scroll, and the compression component comprises a plurality of structural characteristics which enable the gas passing through the shell of the compressor to flow in a shunting way so as to reduce the entrained oil; after entering the housing, some of the gas flows upward to reduce the amount of gas flowing downward toward the oil. To accomplish this, the motor of the compressor may be surrounded by a sleeve having upper and lower apertures for directing the flow of air to the upper and lower stator end turn coils of the motor. In some embodiments, the suction inlet is positioned in important relation to the two gas passages between the stator and the motor housing. The inlet is positioned so that one channel receives the incoming gas and divides the flow into two opposite directions, i.e., upward and downward, with the other channel passing only the gas upward. In addition, suction baffles, diffusers, streamlined counterweight blocks and/or suction line oil traps can also aid in gas-oil separation or minimize entrained oil.

Chinese patent No. CN113279964A provides an oil and gas separator, compressor and air conditioner, the compressor includes the quiet dish gas vent, oil and gas separator includes the lid, be equipped with the chamber of admitting air in the lid, the chamber of admitting air communicates with the quiet dish gas vent, still be equipped with at least one oil-gas separation passageway in the lid, every oil separation passageway's in the oil-gas separation passageway one end all communicates with the chamber of admitting air, the other end all communicates to the lid outside, still be equipped with at least one oil return channel in the lid, oil return channel is constructed for discharging the lubricating oil of oil-gas separation passageway and/or the intracavity that admits air.

Chinese patent No. CN113482915A provides a scroll compressor and an oil-gas rough separation device and an oil-gas separation device thereof, which comprise a rough separation cover plate, a static disc, a movable disc and a machine body; an oil pool is arranged at the lower part in the machine body; a compression chamber is formed between the movable disc and the static disc; an annular outer ring and a first air guide rib are arranged on the end face of the other side of the static disc; a rough separation cover plate is arranged on the annular outer ring, so that a rough separation cavity is formed between the annular outer ring and the rough separation cover plate; a gap is reserved at the lower part of the annular outer ring, and the first air guide rib divides the gap into a coarse separation exhaust port and a first lower oil port; the opening of the first air guide rib faces the first lower oil port, and the first lower oil port is communicated with the oil pool and sealed by lubricating oil; the middle part of the first air guide rib is provided with a rough separation air inlet communicated with the compression chamber.

Can carry fluid blowout during present scroll compressor blast pipe is discharged for scroll compressor's fluid has caused very big waste, has increased scroll compressor's use cost, and spun fluid causes scroll compressor's dirty very easily, and the clearance difficulty, consequently need to research and develop refrigerating system in the oil and gas separator solenoid valve oil return control system urgently.

Disclosure of Invention

The invention aims to provide an electromagnetic valve oil return control system of an oil-gas separator in a refrigeration system, and aims to solve the problems that oil is sprayed out when an exhaust pipe of a scroll compressor exhausts, so that the oil of the scroll compressor is greatly wasted, the use cost of the scroll compressor is increased, and the sprayed oil easily causes dirt of the scroll compressor and is difficult to clean.

The technical scheme of the invention is as follows: oil and gas separator solenoid valve oil return control system in refrigerating system, which comprises a tank body, jar body top threaded connection has the cover, and the one end welding of cover top outer wall center department has the drain pipe, the pump body is installed through the bolt in axle center department of cover top outer wall, and has welded intake pipe and outlet duct respectively on the cover is close to the both sides outer wall of the pump body, the outside threaded connection of drain pipe has a nut section of thick bamboo, and the welding of axle center department of nut section of thick bamboo top outer wall has the connecting pipe, the welding of axle center department of nut section of thick bamboo top inner wall has the pipette that extends to jar internal portion, and is linked together between pipette and the connecting pipe, the other end welding that the nut section of thick bamboo was kept away from to the connecting pipe has the nut section of thick bamboo, and the input of nut section of thick bamboo threaded connection at the pump body, the output threaded connection of the pump body has the back flow.

Furthermore, an external thread cylinder is welded on the outer wall of the bottom of the tank cover, and an internal thread ring groove is formed in the top of the inner side wall of the tank body.

Further, an external thread cylinder is in threaded connection with the inside of the internal thread ring groove, and a sealing gasket is bonded on the outer wall of the tank cover and the tank body which are attached to each other.

Further, an internal thread cylinder is welded at the axis of the inner wall of the top of the tank cover, an external thread cylinder is connected to the internal thread of the internal thread cylinder in a threaded mode, a filter element is welded on the outer wall of the bottom of the external thread cylinder, and the liquid suction pipe extends to the inside of the filter element.

Further, the filter core is the tubular structure and pegs graft in the inside of jar body, and the bottom of filter core is the arc structure.

Furthermore, the cover is welded with a first extension pipe communicated with the air inlet pipe on the inner wall of the top of the air inlet pipe, and the first extension pipe extends to the inside of the tank body.

Furthermore, a second extension pipe communicated with the air outlet pipe is welded on the inner wall of the top of the tank cover close to the air outlet pipe, and the second extension pipe extends to the inside of the filter element.

Furthermore, the filter element sequentially comprises a coarse filter screen, oil filter paper, a precise filter screen and an active carbon filter screen from outside to inside.

Furthermore, the axle center department welding of cover top inner wall has the column jacket, and sets up on the lateral wall of column jacket and be the through-hole that equidistant structure distributes.

Further, the axle center department welding of column jacket top outer wall has the displacement sensor who runs through the cover, and the inside of column jacket is provided with the floater, displacement sensor is electric connection through between wiring and the pump body.

Compared with the prior art, the oil return control system of the electromagnetic valve of the oil-gas separator in the refrigeration system provided by the invention has the following improvements and advantages:

(1) according to the invention, through the arranged pump body, the displacement sensor senses that the floating ball rises to a certain position in the column sleeve to send an electric signal to the pump body, the pump body is started to pump out oil filtered in the filter element through the connecting pipe via the liquid suction pipe, and then the oil is conveyed to the interior of the compressor liquid storage tank through the return pipe, so that the oil sprayed out when the compressor exhaust pipe exhausts can be effectively collected and recycled.

(2) According to the invention, through the matched use of the filter element, the coarse filter screen, the oil filter paper, the precision filter screen and the activated carbon filter screen, oil sprayed out from the exhaust pipe of the compressor and entering the tank body can be effectively filtered, so that the cleanliness of the oil is well improved, and the oil is more convenient to recycle.

(3) According to the filter element, the internal thread cylinder and the external thread cylinder are arranged, and the external thread cylinder is in threaded connection with the inside of the internal thread cylinder, so that the filter element is more convenient to disassemble and assemble, and the filter element is convenient to clean and replace.

(4) According to the invention, the external thread cylinder and the internal thread ring groove are arranged, and the external thread cylinder is in threaded connection with the inside of the internal thread ring groove, so that the tank cover is more convenient to disassemble, and the tank body is convenient to clean or maintain daily.

Drawings

The invention is further explained below with reference to the figures and examples:

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a partial block diagram of the present invention;

FIG. 3 is a view of the construction of the can lid of the present invention;

FIG. 4 is a block diagram of a cartridge of the present invention;

FIG. 5 is a view of the internally threaded cartridge of the present invention;

FIG. 6 is a cross-sectional view of the can body of the present invention;

fig. 7 is a diagram of a column jacket structure of the present invention.

Description of reference numerals:

1. a tank body; 2. a can lid; 3. an air inlet pipe; 4. an air outlet pipe; 5. a liquid outlet pipe; 6. a nut barrel; 7. a connecting pipe; 8. a bobbin tube; 9. a pump body; 10. a return pipe; 11. an externally threaded barrel; 12. an internal thread ring groove; 13. a first extension pipe; 14. a filter element; 15. coarse filtration; 16. oil filter paper; 17. a precise filter screen; 18. an activated carbon filter screen; 19. a second extension pipe; 20. an internal threaded barrel; 21. an externally threaded column; 22. a pipette; 23. a column sleeve; 24. a through hole; 25. a displacement sensor; 26. a floating ball.

Detailed Description

The present invention will be described in detail below with reference to fig. 1 to 7, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides an oil-gas separator electromagnetic valve oil return control system in a refrigeration system by improvement, as shown in figures 1-7, the oil-gas separator electromagnetic valve oil return control system comprises a tank body 1, a tank cover 2 is connected with the top of the tank body 1 through threads, a liquid outlet pipe 5 is welded at one end of the center of the outer wall of the top of the tank cover 2, a pump body 9 is installed at the axis of the outer wall of the top of the tank cover 2 through bolts, an air inlet pipe 3 and an air outlet pipe 4 are respectively welded on the outer walls of two sides of the tank cover 2 close to the pump body 9, a nut barrel 6 is connected with the outer part of the liquid outlet pipe 5 through threads, a connecting pipe 7 is welded at the axis of the outer wall of the top of the nut barrel 6, a liquid suction pipe 22 extending to the inside of the tank body 1 is welded at the axis of the inner wall of the top of the nut barrel 6, the liquid suction pipe 22 is communicated with the connecting pipe 7, a nut pipe 8 is welded at the other end of the connecting pipe 7 far away from the nut barrel 6, and is connected with the input end of the pump body 9 through threads, output end threaded connection of the pump body 9 has the back flow pipe 10, the intake pipe 3 of the jar body 1 is connected with the blast pipe of compressor, and be connected between the notes liquid mouth with back flow pipe 10 and compressor liquid storage tank, can take out fluid blowout during the exhaust of the in-process blast pipe of compressor work, and fluid spouts back gets into the inside of the jar body 1 through intake pipe 3, after the liquid level of the inside fluid of the jar body 1 reaches certain height, pump body 9 starts to take fluid out through connecting pipe 7 via pipette 22, then carry the inside to the compressor liquid storage tank through back flow pipe 10, spun fluid can obtain effectual collection and cyclic utilization when making the compressor blast pipe exhaust.

Further, an external thread cylinder 11 is welded on the outer wall of the bottom of the tank cover 2, an internal thread ring groove 12 is formed in the top of the inner side wall of the tank body 1, and the external thread cylinder 11 is in threaded connection with the inside of the internal thread ring groove 12, so that the tank cover 2 is more convenient to detach, and the tank body 1 is convenient to clean or maintain in daily life.

Further, the external thread cylinder 11 is in threaded connection with the inside of the internal thread ring groove 12, a sealing gasket is bonded on the outer wall of the tank cover 2 attached to the tank body 1, and the compactness and the sealing performance of the tank cover 2 attached to the tank body 1 are well improved through the sealing gasket.

Further, the axle center department of cover 2 top inner wall has welded an internal thread section of thick bamboo 20, and the inside threaded connection of an internal thread section of thick bamboo 20 has an external screw thread cylindricality 21, and the welding has filter core 14 on the bottom outer wall of external screw thread cylindricality 21, and pipette 22 extends to the inside of filter core 14, and external screw thread cylindricality 21 threaded connection is in the inside of an internal thread section of thick bamboo 20 for filter core 14 is convenient for dismantle the installation more, thereby conveniently cleans the change to filter core 14.

Further, the filter element 14 is a tubular structure and is inserted into the tank body 1, and the bottom of the filter element 14 is an arc-shaped structure, so that the filter element 14 can well filter oil entering the tank body 1.

Further, the welding has the first extension pipe 13 that is linked together with intake pipe 3 on the top inner wall that cover 2 is close to intake pipe 3, and first extension pipe 13 extends to the inside of jar body 1, and first extension pipe 13 makes and collects the effectual inside that gets into jar body 1 of the gaseous entering of jar that carries fluid in getting into jar body 1 through intake pipe 3.

Further, the cover 2 is welded with a second extension pipe 19 communicated with the outlet pipe 4 on the inner wall of the top portion close to the outlet pipe 4, the second extension pipe 19 extends to the inside of the filter element 14, and the second extension pipe 19 can discharge the gas entering the tank body 1 through the outlet pipe 4 out of the tank body 1 in time.

Furthermore, the filter element 14 comprises a coarse filter screen 15, oil filter paper 16, a precision filter screen 17 and an active carbon filter screen 18 from outside to inside in sequence, and the coarse filter screen 15, the oil filter paper 16, the precision filter screen 17 and the active carbon filter screen 18 are matched for use, so that oil sprayed out from the compressor exhaust pipe and entering the tank body 1 can be effectively filtered, the cleanliness of the oil is well improved, and the cyclic utilization is facilitated.

Further, the axle center department welding of cover 2 top inner wall has the column casing 23, and has seted up the through-hole 24 that is equidistant structure and distributes on the lateral wall of column casing 23, and fluid can pass through the inside that the through-hole 24 got into infiltration column casing 23 for the change of the interior liquid level of jar body 1 can effectually be monitored.

Further, the axle center department welding of the outer wall of column jacket 23 top has the displacement sensor 25 that runs through cover 2, and the inside of column jacket 23 is provided with floater 26, and displacement sensor 25 is electric connection through being between the wiring and the pump body 9, and floater 26 can go up and down along column jacket 23 along with the liquid level change of the interior fluid of jar body 1, and displacement sensor 25 can monitor the unsteady change of floater 26 in column jacket 23.

The working principle is as follows: an operator connects the air inlet pipe 3 of the tank body 1 with an air outlet pipe of a compressor, and connects the return pipe 10 with a liquid injection port of a liquid storage tank of the compressor, oil liquid is sprayed out when the air outlet pipe exhausts in the working process of the compressor, and the oil liquid enters the tank body 1 through the air inlet pipe 3 after being sprayed out, after the liquid level of the oil in the tank body 1 reaches a certain height, the oil passes through the through hole 24 and enters the column sleeve 23, at the moment, the floating ball 26 goes up and down along with the change of the liquid level of the oil, the displacement sensor 25 senses that the floating ball 26 rises to a certain position in the column sleeve 23 and sends an electric signal to the pump body 9, the pump body 9 starts to pump the oil filtered in the filter element 14 out through the connecting pipe 7 and the pipette 22, then the oil is delivered to the interior of the compressor liquid storage tank through the return pipe 10, so that the oil sprayed out when the compressor exhaust pipe exhausts can be effectively collected and recycled.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The oil-gas separator electromagnetic valve oil return control system in the refrigerating system is characterized in that: comprises a tank body (1), the top of the tank body (1) is in threaded connection with a tank cover (2), one end of the center of the outer wall of the top of the tank cover (2) is welded with a liquid outlet pipe (5), the axle center of the outer wall of the top of the tank cover (2) is provided with a pump body (9) through a bolt, the outer walls of the two sides of the tank cover (2) close to the pump body (9) are respectively welded with an air inlet pipe (3) and an air outlet pipe (4), the outer part of the liquid outlet pipe (5) is in threaded connection with a nut barrel (6), the axle center of the outer wall of the top of the nut barrel (6) is welded with a connecting pipe (7), the axle center of the inner wall of the top of the nut barrel (6) is welded with a liquid suction pipe (22) extending to the inside of the tank body (1), the liquid suction pipe (22) is communicated with the connecting pipe (7), the other end of the connecting pipe (7) far away from the nut barrel (6) is welded with a nut barrel (8), and the screw thread of the nut barrel (8) is connected with the input end of the pump body (9), the output end of the pump body (9) is in threaded connection with a return pipe (10).

2. The oil return control system of the electromagnetic valve of the oil-gas separator in the refrigerating system according to claim 1, wherein: the welding has an external screw thread section of thick bamboo (11) on the bottom outer wall of cover (2), and the top of the jar body (1) inside wall is seted up there is internal thread annular (12).

3. The oil return control system of the electromagnetic valve of the oil-gas separator in the refrigerating system according to claim 2, wherein: the external thread cylinder (11) is in threaded connection with the inner part of the internal thread ring groove (12), and a sealing gasket is bonded on the outer wall of the tank cover (2) and the tank body (1) which are attached to each other.

4. The oil return control system of the electromagnetic valve of the oil-gas separator in the refrigerating system according to claim 1, wherein: the welding of axle center department of cover (2) top inner wall has an internal thread section of thick bamboo (20), and the internal thread connection of internal thread section of thick bamboo (20) has external screw thread column casing (21), the welding has filter core (14) on the bottom outer wall of external screw thread column casing (21), and pipette (22) extend to the inside of filter core (14).

5. The oil return control system of the electromagnetic valve of the oil-gas separator in the refrigerating system according to claim 4, wherein: the filter element (14) is of a cylindrical structure and is inserted in the tank body (1), and the bottom of the filter element (14) is of an arc structure.

6. The oil return control system of the electromagnetic valve of the oil-gas separator in the refrigerating system according to claim 1, wherein: the tank cover (2) is welded on the inner wall of the top, close to the air inlet pipe (3), of the tank cover, and a first extension pipe (13) communicated with the air inlet pipe (3) is welded on the inner wall of the top, and the first extension pipe (13) extends to the inside of the tank body (1).

7. The oil return control system of the electromagnetic valve of the oil-gas separator in the refrigerating system according to claim 1, wherein: the cover (2) is welded with a second extension pipe (19) communicated with the air outlet pipe (4) on the inner wall of the top part close to the air outlet pipe (4), and the second extension pipe (19) extends to the inside of the filter element (14).

8. The oil return control system of the electromagnetic valve of the oil-gas separator in the refrigerating system according to claim 4, wherein: the filter element (14) comprises a coarse filter screen (15), oil filter paper (16), a precise filter screen (17) and an active carbon filter screen (18) from outside to inside in sequence.

9. The oil return control system of the electromagnetic valve of the oil-gas separator in the refrigerating system according to claim 1, wherein: the axle center department welding of cover (2) top inner wall has post cover (23), and has seted up through-hole (24) that are equidistant structure and distribute on the lateral wall of post cover (23).

10. The oil return control system of the electromagnetic valve of the oil-gas separator in the refrigeration system according to claim 9, wherein: the pump is characterized in that a displacement sensor (25) penetrating through the tank cover (2) is welded at the axis of the outer wall of the top of the column sleeve (23), a floating ball (26) is arranged inside the column sleeve (23), and the displacement sensor (25) is electrically connected with the pump body (9) through a connecting wire.