CN114233605A - Compressor auxiliary starting assembly - Google Patents
Compressor auxiliary starting assembly Download PDFInfo
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- CN114233605A CN114233605A CN202111580159.1A CN202111580159A CN114233605A CN 114233605 A CN114233605 A CN 114233605A CN 202111580159 A CN202111580159 A CN 202111580159A CN 114233605 A CN114233605 A CN 114233605A
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- Prior art keywords
- shell
- compressor
- heat
- pipe body
- housing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/16—Filtration; Moisture separation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
- H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses an auxiliary starting assembly of a compressor, which comprises a compressor shell and a motor rotating shaft positioned in the compressor shell, wherein a coaxial one-way ratchet wheel is arranged on the motor rotating shaft, a hole communicated with the inside and the outside of the compressor shell is formed in the compressor shell, a pipe body extends outwards from the hole, the end part of the pipe body far away from the compressor shell is provided with a shell, a sliding block is arranged in the pipe body in a sliding and sealing manner, one side of the sliding block facing the compressor shell is provided with a toothed bar, the inner wall of the pipe body close to the compressor shell is provided with a limiting block, and an elastic piece is arranged on the toothed bar between the limiting block and the sliding block; this compressor auxiliary start subassembly realizes reducing the required moment of motor start-up to the auxiliary start of air conditioner compressor, reduces starting current to motor coil's influence, guarantees the motor performance, and guarantees that the mobility of motor start stage lubricating oil makes the interior subassembly of compressor obtain the lubrication.
Description
Technical Field
The invention relates to the technical field of compressors, in particular to an auxiliary starting assembly of a compressor.
Background
The air-conditioning compressor works intermittently, when the compressor is started, the inertia of the compressor and the reaction force of a high-pressure refrigerant need to be overcome, so that a motor of the air-conditioning compressor needs large starting current and torque, the current in the starting stage is large, the motor is easy to damage due to frequent starting, and the energy consumption is high due to long-time continuous operation; when the temperature is lower, the fluidity of the lubricating oil in the compressor is poorer, the circulating amount of the lubricating oil at the initial stage of the new working period of the compressor is less, and the reliable lubrication of important moving parts such as a crank pin of the compressor and the like can not be ensured.
Disclosure of Invention
The invention aims to overcome the existing defects and provides an auxiliary starting assembly of a compressor, which can reduce the torque required by the starting of a motor, reduce the influence of starting current on a motor coil, ensure the performance of the motor, ensure the fluidity of lubricating oil at the starting stage of the motor to lubricate the compressor assembly and effectively solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a compressor auxiliary starting subassembly, includes compressor housing and the motor shaft who is located compressor housing, install coaxial one-way ratchet on the motor shaft, set up the inside and outside hole of seting up of intercommunication on the compressor housing, set up the outside extension in hole and have the body, the casing is installed to the tip that the compressor housing was kept away from to the body.
Sliding seal installs the slider in the body, the ratch is installed to one side of slider towards compressor housing, the position that the body inner wall is close to compressor housing is equipped with the stopper, be equipped with the elastic component on the ratch between stopper and the slider.
The outside of body and casing all is equipped with the heat preservation casing, be equipped with radiator unit on the heat preservation casing.
The shell is internally provided with a coiled pipe, two ends of the coiled pipe penetrate through and extend to the outer side of the shell, and the inner wall of the shell of the compressor is provided with an electromagnetic lock for limiting the movement of the toothed bar
And when the sliding block moves towards the compressor shell, the toothed rod drives a motor rotating shaft in the compressor shell to rotate through the one-way ratchet.
As a preferable technical solution of the present invention, an electromagnetic valve is installed at one end of the serpentine pipe located outside the housing, and the serpentine pipe is connected in series to an external compressor high-pressure high-temperature gas pipeline.
As a preferred technical scheme of the invention, a sliding rod is fixed on one side of the sliding block, which is far away from the shell of the compressor, and a first magnetic attraction block is fixed on one end of the sliding rod, which is far away from the sliding block, wherein when the first magnetic attraction block is close to the heat dissipation assembly, the heat dissipation assembly dissipates heat to the shell.
As a preferred technical scheme, the heat dissipation assembly comprises a heat insulation housing, a guide slide bar and a tensile elastic piece, a heat dissipation window is formed in the position, corresponding to the first magnetic absorption block, of the heat insulation housing, one end of the guide slide bar is fixedly connected with the outer side of the housing, the heat insulation housing slides along the housing, a second magnetic absorption block magnetically absorbed with the first magnetic absorption block is installed on the inner side of the heat insulation housing, and the outer side of the heat insulation housing and one end, far away from the housing, of the guide slide bar are respectively connected with two ends of the tensile elastic piece.
As a preferred technical scheme of the invention, an oil shell is fixed in the shell, the first magnetic suction block slides in the inner cavity of the oil shell in a sealing manner, the inner cavity of the oil shell is divided into a first cavity close to the tube body and a second cavity far away from the tube body by the first magnetic suction block, the first cavity is communicated with one end of the second conduit, and the other end of the second conduit penetrates through the shell and is communicated with the bottom side of the inner cavity of the compressor shell;
the second chamber is communicated with one end of a first guide pipe, and the other end of the first guide pipe penetrates through the shell and is communicated with the bottom side of the inner cavity of the compressor shell.
As a preferable technical scheme of the invention, a purification box is arranged on the second conduit, and a filtering sponge or a filtering gauze is placed in the purification box.
The electromagnetic lock is characterized by further comprising a controller and a distance sensor arranged on the inner side of the heat-insulating cover casing, wherein the controller is electrically connected with the electromagnetic valve and the electromagnetic lock respectively to control the electromagnetic valve and the electromagnetic lock, and the controller is electrically connected with the distance sensor to receive signals from the distance sensor.
As a preferred technical scheme of the invention, the rack bar is provided with a plurality of clamping tooth grooves, and the clamping tooth grooves are matched with the lock tongue of the electromagnetic lock.
As a preferred technical scheme of the invention, the heat dissipation assembly comprises a heat insulation cover shell, an electric rotating shaft and a temperature sensor, wherein a heat dissipation window is formed in the heat insulation shell, the heat insulation cover shell covers the heat dissipation window, the edges of the heat insulation cover shell and the heat dissipation window are rotationally connected through the electric rotating shaft, and the temperature sensor is arranged at the position of the shell corresponding to the heat dissipation window;
the controller is electrically connected with the electric rotating shaft, the electromagnetic valve and the electromagnetic lock respectively to control the electric rotating shaft, the electromagnetic valve and the electromagnetic lock, and the controller is electrically connected with the temperature sensor to receive signals from the temperature sensor.
As a preferred technical scheme of the invention, an oil shell is fixed in the shell, the first magnetic suction block slides in the inner cavity of the oil shell in a sealing manner, the inner cavity of the oil shell is divided into a first cavity close to the tube body and a second cavity far away from the tube body by the first magnetic suction block, the first cavity is communicated with one end of the second conduit, and the other end of the second conduit penetrates through the shell and is communicated with the bottom side of the inner cavity of the compressor shell;
the second chamber is communicated with one end of a first guide pipe, and the other end of the first guide pipe penetrates through the shell and is communicated with the bottom side of the inner cavity of the compressor shell.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the auxiliary starting assembly for the compressor, the steam temperature in the shell rises to enable the air pressure in the shell to be high, the auxiliary starting of the motor of the air-conditioning compressor is achieved through the air pressure difference between the two sides of the air pressure on the two sides of the sliding block, the resistance required to be overcome by the starting of the motor of the air-conditioning compressor is reduced, the starting current of the motor of the air-conditioning compressor is reduced, and the service life of the motor of the air-conditioning compressor is guaranteed.
2. According to the auxiliary starting assembly for the compressor, on one hand, when the motor is started in an auxiliary mode, the first magnetic suction block moves in the oil shell, lubricating oil heated in the first cavity is extruded by the first magnetic suction block and enters the lower side of the inner cavity of the compressor shell through the second guide pipe, the lubricating oil on the lower side of the inner cavity of the compressor shell is sucked by the negative pressure in the second cavity through the first guide pipe, the lubricating oil on the lower side of the inner cavity of the compressor shell is heated, and the volume of the lubricating oil is controlled to prevent the lubricating oil from influencing the performance of the motor or the compression assembly due to too much lubricating oil; on the other hand, because the second guide pipe and the first guide pipe have the characteristics of low-speed liquid flow passing and high-speed liquid flow delaying, the oil shell, the second guide pipe and the first guide pipe realize the speed limit of the movement of the toothed bar, and the motor is prevented from being damaged by too large acting force of the toothed bar on a motor rotating shaft; on the other hand, debris in the lubricating oil flowing in the second guide pipe is adhered to the filtering sponge or the filtering gauze, so that the lubricating oil is purified, and the influence of the debris in the lubricating oil on the compressor is reduced.
3. The compressor auxiliary starting assembly disclosed by the invention utilizes high-temperature and high-pressure gas of the air conditioner compressor to heat the heat storage source, realizes energy storage of auxiliary starting of the air conditioner compressor, and utilizes the heat storage source to keep part of lubricating oil in a heating state and inject the heated lubricating oil into the compressor at the starting stage of the compressor, so that the fluidity of the lubricating oil at the starting stage of the compressor is ensured.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;
FIG. 3 is a schematic view of the partial cross-sectional structure of FIG. 1;
FIG. 4 is an enlarged view of the structure at A in FIG. 3;
FIG. 5 is an enlarged view of the structure at B in FIG. 3;
fig. 6 is a schematic structural diagram of another embodiment of the present invention.
In the figure: the device comprises a compressor shell 1, a controller 2, an electromagnetic valve 3, a first 4 guide pipe, a purification box 5, a second 6 guide pipe, a heat preservation shell 7, a heat preservation cover 8, a guide sliding rod 9, an elastic part 10, a shell 11, an oil shell 12, a one-way ratchet wheel 13, a toothed bar 14, an electromagnetic lock 15, a pipe 16, a sliding block 17, a sliding rod 18, a coiled pipe 19, a magnetic attraction block I20, a magnetic attraction block II 21, a tensile elastic part 22, a distance sensor 23 and a temperature sensor 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 first embodiment is as follows: referring to fig. 1-5, the present embodiment discloses an auxiliary starting assembly for a compressor, which includes a compressor housing 1 and a motor shaft located in the compressor housing 1, wherein a coaxial one-way ratchet 13 is installed on the motor shaft, a hole is formed in the compressor housing 1 to communicate the inside and outside of the compressor housing, a pipe 16 is formed in the hole and extends outward, a housing 11 is installed at an end of the pipe 16 far away from the compressor housing 1, an inner cavity of the housing 11 is communicated with an inner cavity of the pipe 16, and the housing 11, the pipe 16 and the compressor housing 1 form a closed space.
A sliding block 17 is installed in the pipe body 16 in a sliding and sealing mode, a toothed bar 14 is installed on one side, facing the compressor shell 1, of the sliding block 17, a limiting block is arranged on the inner wall of the pipe body 16, close to the compressor shell 1, an elastic part 10 is arranged on the toothed bar 14 between the limiting block and the sliding block 17, and the elastic part 10 is a spring, an air spring or an elastic sleeve; and a clamping guide groove for guiding and supporting the toothed bar 14 is formed in the preferred limiting block.
The outer sides of the pipe body 16 and the shell 11 are both provided with a heat preservation shell 7, and the heat preservation shell 7 is provided with a heat dissipation assembly.
A coil pipe 19 is arranged in the shell 11, two ends of the coil pipe 19 penetrate through and extend to the outer side of the shell 11, and an electromagnetic lock 15 for limiting the movement of the rack 14 is installed on the inner wall of the compressor shell 1.
Wherein, the casing 11 is filled with liquid ammonia or freon, and liquid ammonia or freon are the heat-retaining source, and when slider 17 removed to compressor housing 1, ratch 14 drove the motor shaft rotation in the compressor housing 1 through one-way ratchet 13, and when ratch 14 moved the speed and become slow in the compressor housing 1, one-way ratchet 13 idle running, ratch 14 did not influence the start-up of the interior motor of compressor housing 1.
The solenoid valve 3 is installed on one end of the coiled pipe 19 located outside the shell 11, and the coiled pipe 19 is connected in series with an external high-pressure high-temperature gas pipeline of the compressor.
A sliding rod 18 is fixed on one side of the sliding block 17 far away from the compressor shell 1, and a magnetic attraction block one 20 is fixed on one end of the sliding rod 18 far away from the sliding block 17, wherein when the magnetic attraction block one 20 is close to the heat dissipation assembly, the heat dissipation assembly dissipates heat to the shell 11.
The radiating component comprises a heat-insulating housing 8, a guide slide bar 9 and a tensile elastic part 22, a heat-radiating window is formed in the position, corresponding to the magnetic attraction block I20, of the heat-insulating housing 7, one end of the guide slide bar 9 and the position fixed connection, corresponding to the heat-radiating window, of the outer side of the housing 11 are fixedly connected, the heat-insulating housing 8 slides along the housing 11, a magnetic attraction block II 21 magnetically attracted by the magnetic attraction block I20 is installed on the inner side of the heat-insulating housing 8, the outer side of the heat-insulating housing 8 and one end, far away from the housing 11, of the guide slide bar 9 are respectively connected with two ends of the tensile elastic part 22, the tensile elastic part 22 is a spring or an elastic rope, when the heat-insulating housing 8 completely covers the heat-radiating window, and the tensile elastic part 22 is in a tensile state.
Specifically, as shown in fig. 3-5, an oil casing 12 is fixed in a casing 11, a first magnetic attraction block 20 slides in an inner cavity of the oil casing 12 in a sealing manner, the first magnetic attraction block 20 divides the inner cavity of the oil casing 12 into a first cavity close to a pipe body 16 and a second cavity far away from the pipe body 16, the first cavity is communicated with one end of a second conduit 6, the other end of the second conduit 6 penetrates through the casing 11 and is communicated with the bottom side of the inner cavity of the compressor casing 1, the second cavity is communicated with one end of a first conduit 4, and the other end of the first conduit 4 penetrates through the casing 11 and is communicated with the bottom side of the inner cavity of the compressor casing 1.
A purifying box 5 is arranged on the second conduit 6, and a filtering sponge or a filtering gauze is placed in the purifying box 5.
The embodiment also comprises a controller 2 and a distance sensor 23 arranged on the inner side of the heat-insulating cover 8, wherein the controller 2 is respectively electrically connected with the electromagnetic valve 3 and the electromagnetic lock 15 to control the electromagnetic valve, and the controller 2 is electrically connected with the distance sensor 23 to receive signals from the distance sensor 23.
Furthermore, a plurality of clamping tooth grooves are formed in the toothed bar 14, the clamping tooth grooves are matched with the lock tongues of the electromagnetic lock 15, and the lock tongues of the electromagnetic lock 15 are convenient to limit the toothed bar 14.
The distance sensor 23 is an optical distance sensor, an infrared distance sensor, or a press-touch type travel switch.
The electromagnetic lock 15 is a common limiting component in the prior art, and comprises an enclosure, a coil in the enclosure, and a bolt controlled by a coil magnetic field.
The controller 2 is an integrated circuit board, a single chip microcomputer or a PLC controller, the controller 2 is electrically connected with a control circuit of the air conditioner, the controller 2 can detect the working state of the air conditioner, and the controller 2 is electrically connected with an external power supply.
The one-way ratchet 13 is commonly found on the rear wheel of a bicycle in life.
The distance sensor 23, the electromagnetic valve 3, the electromagnetic lock 15, the controller 2, and the like used in the present invention are common electronic components in the prior art, and the working mode and the circuit structure thereof are well known technologies, and are not described herein again.
The compressor in this embodiment is a vertical fully-closed scroll compressor or a vertical fully-closed piston compressor, a motor and a compression assembly of the compressor are both located in a compressor shell 1, the motor is located below the compressor shell, and a lubricating oil pool is arranged on the bottom side of an inner cavity of the compressor shell 1.
The first magnetic absorption block 20 is a samarium cobalt magnet, a ferrite core permanent magnet, a samarium cobalt magnet or an alnico magnet; the second magnetic absorption block 21 is a samarium cobalt magnet, a ferrite core permanent magnet, a samarium cobalt magnet or an alnico magnet.
The housing 11 and the pipe 16 are made of metal to improve the pressure resistance.
The working process and principle of the embodiment are as follows:
the high-pressure high-temperature gas generated in the last working cycle of the air-conditioning compressor partially flows through the shell 11, the temperature of steam in the shell 11 rises, the air pressure in the shell 11 is high, the sliding block 17 is positioned at the position, close to the shell 11, of the pipe body 16, the electromagnetic lock 15 limits the movement of the toothed rod 14 and the sliding block 17 along the length direction of the pipe body 16, the air pressure difference on two sides of the sliding block 17 is increased, the sliding block 17 has the tendency of driving the toothed rod 14 to move towards the compressor shell 1 but is prevented by the electromagnetic lock 15, the magnetic force between the magnetic attraction block I20 and the magnetic attraction block II 21 enables the heat-dissipation window of the heat-preservation shell 7 to be completely shielded by the heat-preservation shell 8, so that the heat dissipation rate in the shell 11 is slow, and the stretching elastic part 22 is in a stretching state.
When the controller 2 detects that the air conditioner provided with the scheme is started, the bolt of the electromagnetic lock 15 of the controller 2 is separated from the toothed bar 14, the sliding block 17 drives the motor rotating shaft to rotate through the toothed bar 14 and the one-way ratchet 13 under the action of steam pressure in the shell 11, the elastic piece 10 is extruded, auxiliary starting of the motor of the air conditioner compressor is achieved, resistance required to be overcome by starting of the motor of the air conditioner compressor is reduced, starting current of the motor of the air conditioner compressor is reduced, and the service life of the motor of the air conditioner compressor is guaranteed.
And the slide block 17 drives the magnetic absorption block I20 to move away from the magnetic absorption block II 21 through the slide rod 18, the magnetic force between the magnetic absorption block II 21 and the magnetic absorption block I20 is reduced, the tensile elastic part 22 pulls the heat-insulating housing 8 to move along the guide slide rod 9, the heat-insulating housing 8 is exposed out of the heat-radiating window of the heat-insulating housing 7, the heat in the housing 11 is dissipated through the heat-radiating window of the heat-insulating housing 7, the temperature in the housing 11 is reduced, so that the steam pressure in the housing 11 is reduced, the air pressure difference at two sides of the slide block 17 is reduced, the slide block 17 moves towards the direction of the housing 11 under the pushing of the elastic part 10, when the magnetic absorption block I20 is close to the heat-radiating window, the magnetic force between the magnetic absorption block I20 and the magnetic absorption block II 21 enables the heat-insulating housing 8 to move towards the heat-radiating window along the guide slide rod 9, and then the heat-radiating window is completely shielded by the heat-insulating housing 8.
All pack in the first cavity of oil casing 12 and the second cavity has lubricating oil, this supplementary start-up subassembly of compressor is to the supplementary start-up in-process of motor in the compressor, the lubricating oil of heating is inhaled a 20 extrudions by magnetism by pipe two 6 and is entered into 1 inner chamber downside of compressor housing in the first cavity, and the lubricating oil of 1 inner chamber downside of compressor housing is inhaled through pipe 4 by the negative pressure in the second cavity, realize the heating of 1 inner chamber downside lubricating oil of compressor housing, and avoid lubricating oil too much to influence the performance of motor or compression subassembly to the volume control of lubricating oil.
And the lubricating oil in the oil shell 12 flows in and out from the second guide pipe 6 and the first guide pipe 4, and because the second guide pipe 6 and the first guide pipe 4 have the characteristics of low-speed liquid flow passing and high-speed liquid flow delaying, the oil shell 12, the second guide pipe 6 and the first guide pipe 4 realize the speed limit of the movement of the toothed bar 14, and the motor is prevented from being damaged by too large acting force of the toothed bar 14 on the motor rotating shaft.
The controller 2 detects that the heat-preservation cover 8 covers the heat-dissipation window through the distance sensor 23, then the controller 2 controls the bolt of the electromagnetic lock 15 to extend out of the limiting toothed bar 14 to move, then the controller 2 detects that the compressor is in a working state, and the controller 2 controls the electromagnetic valve 3 to be opened so that high-pressure high-temperature gas in an external compressor high-pressure high-temperature gas pipeline flows through the coiled pipe 19 to heat steam in the shell 11.
The piece adhesion in the lubricating oil of purifying box 5 that flows through filters sponge or filter gauze, realizes the purification to lubricating oil, reduces the influence of piece to the compressor in the lubricating oil.
The auxiliary starting assembly for the compressor is suitable for an air conditioner outdoor unit used in extreme weather or low-temperature weather, and is also suitable for air conditioners in places such as a refrigeration house or a food processing factory and the like, and large air conditioners in air conditioner refrigeration spaces in the places have long single starting time and long two starting intervals.
After the air conditioner compressor is started for a period of time, the heat generated by the work of the air conditioner compressor heats the lubricating oil in the air conditioner compressor so as to ensure the fluidity of the lubricating oil in the air conditioner compressor.
Example two: as shown in fig. 6, the present embodiment discloses an auxiliary starting assembly for a compressor, which has a structure substantially the same as that of the first embodiment, except that the heat dissipation assembly of the present embodiment is replaced by the following components: the heat-insulation shell 8 covers the heat-dissipation window, the edge of the heat-insulation shell 8 is rotatably connected with the edge of the heat-dissipation window through the electric rotating shaft, and the temperature sensor 24 is arranged at the position, corresponding to the heat-dissipation window, of the shell 11;
the embodiment further comprises a controller 2, wherein the controller 2 is respectively electrically connected with the electric rotating shaft, the electromagnetic valve 3 and the electromagnetic lock 15 to control the electric rotating shaft, and the controller 2 is electrically connected with the temperature sensor 24 to receive signals from the temperature sensor 24.
The electromagnetic lock 15, the temperature sensor 24 and the electric rotating shaft are all common electronic components in the prior art, and the working mode and the circuit structure thereof are all known in the art and are not described herein.
The working process and principle of the embodiment are as follows:
when the controller 2 detects that the air conditioner provided with the scheme is started, the bolt of the electromagnetic lock 15 of the controller 2 is separated from the toothed bar 14, the sliding block 17 drives the motor rotating shaft to rotate through the toothed bar 14 and the one-way ratchet 13 under the action of steam pressure in the shell 11, the elastic piece 10 is extruded, auxiliary starting of the motor of the air conditioner compressor is achieved, resistance required to be overcome by starting of the motor of the air conditioner compressor is reduced, starting current of the motor of the air conditioner compressor is reduced, and the service life of the motor of the air conditioner compressor is guaranteed.
Then the controller 2 controls the electric rotating shaft to work to enable the heat-insulating cover 8 to be exposed out of the heat-radiating window, the heat in the shell 11 is radiated through the heat-radiating window, the temperature in the shell 11 is reduced, the air pressure difference at two sides of the sliding block 17 is reduced, the sliding block 17 moves towards the shell 11 under the pushing of the elastic piece 10, when the controller 2 detects that the temperature on the shell 11 is reduced to a set temperature range through the temperature sensor 24, then the controller 2 controls the bolt of the electromagnetic lock 15 to extend out of the limiting toothed rod 14 to move, the controller 2 controls the electric rotating shaft to work to enable the heat-insulating cover 8 to completely shield the heat-radiating window, the controller 2 detects that the compressor is in a working state, the controller 2 controls the electromagnetic valve 3 to be opened to enable high-pressure high-temperature gas in an external compressor high-pressure high-temperature gas pipeline to flow through the coiled pipe 19 to heat the steam in the shell 11, when the controller 2 detects that the compressor stops working or the temperature on the shell 11 is increased to the set range, the controller 2 controls the solenoid valve 3 to close.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An auxiliary starting assembly of a compressor comprises a compressor shell (1) and a motor rotating shaft positioned in the compressor shell (1), and is characterized in that: a coaxial one-way ratchet wheel (13) is mounted on the motor rotating shaft, a hole communicated with the inside and the outside of the compressor shell (1) is formed in the compressor shell, a pipe body (16) extends outwards from the hole, and a shell (11) is mounted at the end part, far away from the compressor shell (1), of the pipe body (16);
a sliding block (17) is installed in the pipe body (16) in a sliding and sealing mode, a toothed rod (14) is installed on one side, facing the compressor shell (1), of the sliding block (17), a limiting block is arranged on the inner wall of the pipe body (16) and close to the compressor shell (1), and an elastic part (10) is arranged on the toothed rod (14) between the limiting block and the sliding block (17);
the outer sides of the pipe body (16) and the shell (11) are both provided with a heat-insulating shell (7), and the heat-insulating shell (7) is provided with a heat-radiating component;
a coiled pipe (19) is arranged in the shell (11), two ends of the coiled pipe (19) penetrate through and extend to the outer side of the shell (11), and an electromagnetic lock (15) for limiting the movement of the rack bar (14) is installed on the inner wall of the shell (1) of the compressor;
wherein, casing (11) intussuseption is filled with liquid ammonia or freon, when slider (17) removed compressor housing (1), ratch (14) rotated through one-way ratchet (13) drive the motor shaft in the compressor housing (1).
2. The compressor assisted start assembly of claim 1, wherein: the solenoid valve (3) is installed at one end, located outside the shell (11), of the coiled pipe (19), and the coiled pipe (19) is connected to an external high-pressure high-temperature gas pipeline of the compressor in series.
3. The compressor assisted start assembly of claim 1, wherein: one side of the sliding block (17) far away from the compressor shell (1) is fixedly provided with a sliding rod (18), one end of the sliding rod (18) far away from the sliding block (17) is fixedly provided with a magnetic suction block I (20), and when the magnetic suction block I (20) is close to the heat dissipation assembly, the heat dissipation assembly dissipates heat to the shell (11).
4. The compressor assisted start assembly of claim 3, wherein: the radiating component comprises a heat-insulating housing (8), a guide sliding rod (9) and a tensile elastic part (22), the heat-insulating housing (7) corresponds to the position of a magnetic suction block (20) and is provided with a heat-radiating window, one end of the guide sliding rod (9) and the outer side of the housing (11) are fixedly connected, the heat-insulating housing (8) slides along the housing (11), the inner side of the heat-insulating housing (8) is provided with a magnetic suction block (20) which is magnetically sucked, and the outer side of the heat-insulating housing (8) and one end of the guide sliding rod (9) far away from the housing (11) are respectively connected with two ends of the tensile elastic part (22).
5. A compressor assisted start assembly according to claims 3 and 4, in which: an oil shell (12) is fixed in the shell (11), the first magnetic suction block (20) slides in the inner cavity of the oil shell (12) in a sealing mode, the first magnetic suction block (20) divides the inner cavity of the oil shell (12) into a first cavity close to the pipe body (16) and a second cavity far away from the pipe body (16), the first cavity is communicated with one end of the second conduit (6), and the other end of the second conduit (6) penetrates through the shell (11) and is communicated with the bottom side of the inner cavity of the compressor shell (1);
the second chamber is communicated with one end of a first conduit (4), and the other end of the first conduit (4) penetrates through the shell (11) and is communicated with the bottom side of the inner cavity of the compressor shell (1).
6. The compressor assisted start assembly of claim 5, wherein: and a purification box (5) is arranged on the second conduit (6), and a filtering sponge or a filtering gauze is placed in the purification box (5).
7. The compressor assisted start assembly of claim 5, wherein: the electromagnetic valve is characterized by further comprising a controller (2) and a distance sensor (23) installed on the inner side of the heat-insulating cover casing (8), wherein the controller (2) is electrically connected with the electromagnetic valve (3) and the electromagnetic lock (15) respectively to control the electromagnetic valve, and the controller (2) is electrically connected with the distance sensor (23) to receive signals from the distance sensor (23).
8. The compressor assisted start assembly of claim 1, wherein: the tooth bar (14) is provided with a plurality of clamping tooth grooves, and the clamping tooth grooves are matched with the lock tongues of the electromagnetic locks (15).
9. A compressor auxiliary start assembly as defined in any one of claims 1 to 3, wherein: the heat dissipation assembly comprises a heat insulation cover (8), an electric rotating shaft and a temperature sensor (24), a heat dissipation window is formed in the heat insulation shell (7), the heat insulation cover (8) covers the heat dissipation window, the edges of the heat insulation cover (8) and the heat dissipation window are rotatably connected through the electric rotating shaft, and the temperature sensor (24) is installed at the position, corresponding to the heat dissipation window, of the shell (11);
the electromagnetic lock is characterized by further comprising a controller (2), wherein the controller (2) is respectively electrically connected with the electric rotating shaft, the electromagnetic valve and the electromagnetic lock (15) to control the electric rotating shaft, the electromagnetic valve and the electromagnetic lock, and the controller (2) is electrically connected with the temperature sensor (24) to receive signals from the temperature sensor (24).
10. The compressor assisted start assembly of claim 9, wherein: an oil shell (12) is fixed in the shell (11), the first magnetic suction block (20) slides in the inner cavity of the oil shell (12) in a sealing mode, the first magnetic suction block (20) divides the inner cavity of the oil shell (12) into a first cavity close to the pipe body (16) and a second cavity far away from the pipe body (16), the first cavity is communicated with one end of the second conduit (6), and the other end of the second conduit (6) penetrates through the shell (11) and is communicated with the bottom side of the inner cavity of the compressor shell (1);
the second chamber is communicated with one end of a first conduit (4), and the other end of the first conduit (4) penetrates through the shell (11) and is communicated with the bottom side of the inner cavity of the compressor shell (1).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115507567A (en) * | 2022-11-21 | 2022-12-23 | 山东赛斯特冷冻***有限公司 | Heat pump set |
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