CN110425140A - Compressor oil level component and rotor compressor - Google Patents

Compressor oil level component and rotor compressor Download PDF

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Publication number
CN110425140A
CN110425140A CN201910740606.1A CN201910740606A CN110425140A CN 110425140 A CN110425140 A CN 110425140A CN 201910740606 A CN201910740606 A CN 201910740606A CN 110425140 A CN110425140 A CN 110425140A
Authority
CN
China
Prior art keywords
compressor
oil
storage tank
oil storage
rotor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910740606.1A
Other languages
Chinese (zh)
Inventor
苗旺
魏会军
阙沛祯
翟元彬
马舒院
赵逸
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
Original Assignee
Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd filed Critical Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
Priority to CN201910740606.1A priority Critical patent/CN110425140A/en
Publication of CN110425140A publication Critical patent/CN110425140A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02Lubrication; Lubricant separation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02Lubrication; Lubricant separation
    • F04C29/028Means for improving or restricting lubricant flow

Abstract

The present invention provides a kind of compressor oil level component and rotor compressor.The compressor oil level component includes housing unit, the housing unit side wall be equipped with air entry, further include oil storage tank, the oil storage tank is connected to the air entry, in compressor oil starvation the oil storage tank through the air entry fuel feeding into the housing unit.By adding oil storage tank, conveniently in rotor compressor oil starvation, especially rotor compressor is in the starting of light industry condition or system is switched in light industry condition operational process by other operating conditions, it can the fuel feeding into compressor in time, to effectively prevent compressor components abrasion caused by compressor oil starvation is run, the reliability of rotor compressor is improved.

Description

Compressor oil level component and rotor compressor
Technical field
The invention belongs to rotor compressor technical fields, and in particular to a kind of compressor oil level component and rotor compressor.
Background technique
Air-conditioning system can select different operating conditions according to the difference of environmental condition in actual moving process, empty therewith The state of compressor operation in adjusting system can also change, such as rotor compressor its shell during heavy industry condition is run The refrigeration lubrication oil in internal portion can be constantly in the sufficient state of fuel feeding, and compressor behavior is good, but compressor is in sky During the starting of light industry condition or system conditions are switched to the operation of light industry condition by other operating conditions in adjusting system, due to its row Temperature degree is close to condensation temperature, cooling medium liquefaction inside compressor, and refrigeration lubrication oil dissolves each other with liquid atomization refrigerant, and with pressure The exhaust of contracting machine is discharged in system, therefore will lead to compressor during the starting of light industry condition or switchover operation, inside Refrigeration lubrication oil ability for a long time in lacking the state of refrigeration lubrication oil, to system condition internal system after a period of stabilisation Starting to gradually return in compressor, long-term oil starvation operation will lead to the abrasion of compressor components oil starvation to compressor so frequent, Reliability is greatly reduced.
During avoiding the starting of compressor light industry condition or system to be switched to the operation of light industry condition by other operating conditions as far as possible, Compressor for a long time be in the state for lacking refrigeration lubrication oil, the method generallyd use be system operation light industry condition when, Give the air-breathing of compressor certain degree of superheat, and then improve the delivery temperature of compressor to a certain extent, reduce compressor this When spit oil cut rate.The speed that such method can only make system stablize oil return to a certain extent is accelerated, and the total of compressor oil starvation is shortened Duration, not can avoid the starting of compressor light industry condition or system and is switched to oil starvation during light industry condition is run by other operating conditions and show Shape.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that providing a kind of compressor oil level component and rotor compressor, In The starting of compressor light industry condition or system are switched in light industry condition operational process by other operating conditions, avoid rotor compressor oil starvation.
To solve the above-mentioned problems, the present invention provides a kind of compressor oil level component, including housing unit, the shell group Part side wall be equipped with air entry, further include oil storage tank, the oil storage tank is connected to the air entry, in compressor oil starvation described in Oil storage tank fuel feeding into the housing unit through the air entry.
Preferably, the connecting pipeline of the oil storage tank and the air entry is equipped with the first control valve.
Preferably, the oil storage tank is also connected to the following side of the housing unit.
Preferably, the pipeline between the oil storage tank and the housing unit is equipped with the second control valve.
Preferably, the flowline that the oil storage tank is connected to the housing unit extends to the top in the oil storage tank.
Preferably, the oil return pipe that the oil storage tank is connected to the air entry is connected to the bottom of the oil storage tank.
Preferably, the compressor oil level component further includes having controller, the controller and first control valve and The connection of second control valve.
Preferably, the oil storage tank is seal cavity.
Preferably, the oil storage tank is fixedly connected on the housing unit.
According to another aspect of the present invention, a kind of rotor compressor, including compressor oil hyte as described above are provided Part.
Preferably, the rotor compressor includes oil guide pipe, is connected with the housing unit through flowline in the oil storage tank When logical, the oil guide pipe lower end surface is lower than the communication port preset height of the flowline and the housing unit.
Preferably, the rotor compressor be twin rotor compressor, single cylinder rotor compressor, three cylinder rotor compressors, Multi-stage rotor compressor, vertical rotor compressor or horizontal rotor compressor.
A kind of compressor oil level component provided by the invention, including housing unit, the housing unit side wall, which is equipped with, to be inhaled Port further includes oil storage tank, and the oil storage tank is connected to the air entry, and in compressor oil starvation, the oil storage tank is through the suction Port fuel feeding into the housing unit.Convenient in compressor oil starvation by adding oil storage tank, especially compressor is in light Operating condition starting or system are switched in light industry condition operational process by other operating conditions, can the fuel feeding into compressor in time, thus effectively Compressor components abrasion caused by compressor oil starvation is run is avoided, the reliability of compressor is improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the rotor compressor of the embodiment of the present invention;
Fig. 2 is the structural schematic diagram of another working condition of the rotor compressor of the embodiment of the present invention.
Appended drawing reference indicates are as follows:
1, housing unit;11, cover assembly;12, lower cover component;2, gas-liquid separator;21, air inlet;22, pore; 3, oil storage tank;31, flowline;32, oil return pipe;4, the first solenoid valve;5, second solenoid valve;6, pump assembly;61, lower cover plate; 62, lower flange;63, lower cylinder;64, partition;65, upper cylinder;66, upper flange;67, rotor;68, motor stator;69, bent Axis;7, oil guide pipe;8, refrigeration lubrication oil.
Specific embodiment
In conjunction with referring to shown in Fig. 1 to Fig. 2, according to an embodiment of the invention, a kind of compressor oil level component, including shell group Part 1, the side wall of the housing unit 1 are equipped with air entry, and compressor oil level component further includes oil storage tank, the oil storage tank 3 with Air entry connection, in compressor oil starvation the oil storage tank 3 through the air entry fuel feeding into the housing unit 1.
Using oil storage tank 3 come storing frozen lubricating oil 8, the starting of light industry condition or system are in by other works in rotor compressor Condition is switched in light industry condition operational process, in time send the refrigeration lubrication oil 8 in oil storage tank 3 to compressor via air entry, It is avoided that rotor compressor is run under oil starvation state, reduces compressor components abrasion, improve the reliability of compressor.
The first control valve is equipped on the connecting pipeline of oil storage tank 3 and air entry, which is set as the first electromagnetism Valve 4 regulates and controls the on-off of the first solenoid valve 4 according to the difference of compressor assembly operating condition, it is ensured that the refrigeration lubrication oil 8 in compressor Liquid level.
Oil storage tank 3 is also connected to the following side of housing unit 1, when rotor compressor oil inside offering is excessive, can will be compressed Machine inner most refrigeration lubrication oil 8 is stored in oil storage tank 3.
Specifically, with the concatenated oil storage tank 3 in rotor compressor shell following side, the air inlet of bottom and gas-liquid separator 2 Mouth 21 is connected to, and the exhaust pipe in gas-liquid separator 2 is connected to the air entry on 1 side wall of housing unit, in gas-liquid separator 2, The lower wall of exhaust pipe is equipped with pore 22;When lacking refrigeration lubrication oil 8 inside rotor compressor, refrigeration lubrication oil 8 exists It is deposited on outside exhaust pipe in gas-liquid separator 2, and is located at the bottom of gas-liquid separator 2, exhaust pipe can penetrated into along pore 22, led Enter inside compressor, the starting of compressor light industry condition can be efficiently solved or system is switched to the mistake of light industry condition operation by other operating conditions The problem of oil starvation in journey improves and turns to effectively prevent compressor components abrasion caused by rotor compressor oil starvation is run The reliability of sub- compressor.
The second control valve is equipped on pipeline between oil storage tank 3 and housing unit 1, which is set as the second electricity Magnet valve 5 regulates and controls the on-off of second solenoid valve 5 according to the difference of compressor assembly operating condition, it is ensured that the refrigeration lubrication in compressor The liquid level of oil 8.
Wherein, the flowline 31 that oil storage tank 3 is connected to housing unit 1 extends to the top in oil storage tank, guarantees shell group Oil in part 1 is fuel-displaced unobstructed when being directed in oil storage tank 3.The oil return pipe 32 that oil storage tank 3 is connected to gas-liquid separator 2, with oil storage tank 3 Bottom connection, it is ensured that the refrigeration lubrication oil 8 in the oil storage tank empties back into compressor.
Compressor oil level component further includes having controller, and controller is connect with the first solenoid valve 4 and second solenoid valve 5, control The refrigeration lubrication oil inside intelligent control compressor may be implemented according to the on-off of the different control solenoid valves of system condition in device processed 8 liquid level.
Oil storage tank 3 is seal cavity, directly can drive refrigeration lubrication oil 8 in shell using the pressure in compression case body Flowing in body, oil storage tank 3 and gas-liquid separator 2.
Oil storage tank 3 is fixedly connected on housing unit 1, is such as connected and fixed connection by Machinery Ministry, so that entire product dress It is practical with convenience.
According to another aspect of the present invention, a kind of rotor compressor, including compressor oil hyte as described above are provided Part.
Rotor compressor includes oil guide pipe 7, when oil storage tank 3 is connected to housing unit 1 through flowline 31, under oil guide pipe 7 End face is lower than the communication port preset height of flowline 31 and housing unit 1, avoids oil storage tank 3 the freezing inside rotor compressor Lubricating oil 8 is drained.
Specifically, the rotor compressor specifically include that housing unit 1, pump assembly 6, gas-liquid separator 2, oil storage tank and Electric machine assembly and solenoid valve.Housing unit 1 includes cover assembly 11, lower cover component 12 and enclosure body etc.;Pump assembly 6 wraps It includes: crankshaft 69, upper flange 66, upper cylinder 65,64 lower cylinder 63 of partition, lower flange 62, lower cover plate 61, roller etc..
Both the inside that pump assembly 6 is located at compressor housing component 1 is fixed by Machinery Ministry;Housing unit 1 includes upper Cap assemblies 11, lower cover component 12 and enclosure body, cover assembly 11, lower cover component 12 are located at the both ends of enclosure body, and three Person forms closed cavity.
Two exhaust outlets of 2 lower end of gas-liquid separator are connected to upper cylinder 65 and lower cylinder 63 respectively, gas-liquid separator 2 with Housing unit 1 is fixed by Machinery Ministry, and oil guide pipe 7 is connected to the bottom center hole of the crankshaft 69 in pump assembly 6.
Electric machine assembly includes motor stator 68 and rotor 67, and motor stator 68 is located at the top of pump assembly 6, and with Housing unit 1 is coaxially interference fitted.Rotor 67 and the coaxial interference fit of crankshaft 69, and crankshaft 69 is located at rotor 67 In center hole.
Upper cylinder 65 is located at the lower part of upper flange 66 in pump assembly 6, partition 64 is located at the lower part of upper cylinder 65, lower gas Cylinder 63 is located at the lower part of partition 64, and lower flange 62 is located at the lower part of lower cylinder 63, and lower cover plate 61 is located at the lower part of lower flange 62, bent Axis 69 is each passed through the centre bore of upper flange 66, upper cylinder 65, partition 64, lower cylinder 63, lower flange 62 and lower cover plate 61 and divides Not with the coaxial assembly of crankshaft 69.
There is oil storage tank 3 flowline 31 and an oil return pipe 32, flowline 31 to be connected to the lower part of compressor body, Most of refrigeration lubrication oil 8 inside compressor can enter oil storage tank 3, compressor body and oil storage tank 3 by flowline 31 Between oil inlet pipe pipeline in be provided with the first solenoid valve 4, for controlling the on-off of oil inlet pipe.Oil return pipe 32 and gas-liquid separator The air inlet 21 of 2 upper ends is connected to, and the refrigeration lubrication oil 8 inside oil storage tank 3 can be returned in compressor by oil return pipe 32, equally 32 pipeline of oil return pipe in be provided with second solenoid valve 5, for controlling the on-off of oil return pipe 32.
The both ends of flowline 31, wherein the port of the one end being connected to oil storage tank 3 is located at the top half of oil storage tank 3, with The port of one end of compressor body connection is located at the lower half of compressor body and is higher than the lower end surface 5mm or more of oil guide pipe 7, Avoid oil storage tank 3 that the refrigeration lubrication oil 8 inside compressor is drained.
The port of one end that oil return pipe 32 is connected to oil storage tank 3 is located at the bottom end of oil storage tank, it is ensured that the oil storage tank 3 In refrigeration lubrication oil 8 empty back into compressor.
First solenoid valve 4 and second solenoid valve 5 are respectively by its on-off of controller system logic control, in normal course of operation First solenoid valve 4 and second solenoid valve 5 are in closed state.
When compressor runs oil starvation operating condition, second solenoid valve 5 opens the regular hour, and (length of time is according to compressor institute The topping up of oil needed determines), after required refrigeration lubrication oil 8 returns to compressor inside by oil return pipe 32 out of oil storage tank (oil condition in such as Fig. 1 compressor) closes second solenoid valve 518;Likewise, when compressor oil-supplying surplus, the first solenoid valve 4 open the regular hour, and excessive refrigeration lubrication oil 8 is discharged to (such as Fig. 2 after oil storage tank 3 by flowline 31 inside machine to be compressed Oil condition in compressor) close the first solenoid valve 4.Compressor can be effectively solved in this way in operation oil starvation working condition system oil return Oil starvation problem, improves the operational reliability of compressor caused by slow.
Above-mentioned rotor compressor is suitable for twin rotor compressor, can be also used for single cylinder rotor compressor, three cylinder rotors Compressor, multi-stage rotor compressor, vertical and horizontal etc. all kinds of rotor compressors.
Rotor compressor of the present invention is switched to light industry condition by other operating conditions and ran in the starting of compressor light industry condition or system When lacking refrigeration lubrication oil 8 in journey inside compressor, the drain path between intelligent control compressor and oil storage tank 3 may be implemented With the solenoid valve in drainback passage, the refrigeration lubrication oil 8 in oil storage tank is slowly entered inside compressor, guarantees compressor easy The operating condition fuel feeding of oil starvation is abundant, avoids inside compressor because of compressor components abrasion caused by lacking refrigeration lubrication oil 8, improves The reliability of compressor.The structure also has the advantages that easy to assembly, practical, at low cost, convenient for promoting.
Those skilled in the art will readily recognize that the respective embodiments described above can be free under the premise of not conflicting Ground combination, superposition.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.With It is only the preferred embodiment of the present invention described in upper, it is noted that for those skilled in the art, not Under the premise of being detached from the technology of the present invention principle, several improvements and modifications can also be made, these improvements and modifications also should be regarded as this The protection scope of invention.

Claims (12)

1. a kind of compressor oil level component, including housing unit (1), housing unit (1) side wall is equipped with air entry, special Sign is, further includes oil storage tank (3), and the oil storage tank (3) is connected to the air entry, the oil storage tank in compressor oil starvation (3) through the air entry to the housing unit (1) interior fuel feeding.
2. compressor oil level component according to claim 1, which is characterized in that the oil storage tank (3) and the air entry Connecting pipeline be equipped with the first control valve.
3. compressor oil level component according to claim 1 or 2, which is characterized in that the oil storage tank (3) also with the shell The following side of body component (1) is connected to.
4. compressor oil level component according to claim 3, which is characterized in that the oil storage tank (3) and the shell group Pipeline between part (1) is equipped with the second control valve.
5. compressor oil level component according to claim 3, which is characterized in that the oil storage tank (3) and the shell group The flowline (31) of part (1) connection, extends to the top in the oil storage tank.
6. compressor oil level component according to claim 1 or 2, which is characterized in that the oil storage tank (3) and the air-breathing The oil return pipe (32) of mouth connection, is connected to the bottom of the oil storage tank (3).
7. compressor oil level component according to claim 4, which is characterized in that the compressor oil level component further includes having Controller, the controller are connect with first control valve and the second control valve.
8. compressor oil level component according to claim 1, which is characterized in that the oil storage tank (3) is seal cavity.
9. compressor oil level component according to claim 1, which is characterized in that the oil storage tank (3) is fixedly connected on institute It states on housing unit (1).
10. a kind of rotor compressor, which is characterized in that including the compressor oil level component as described in claim 1-9 is any.
11. rotor compressor according to claim 10, which is characterized in that the rotor compressor includes oil guide pipe (7), When the oil storage tank (3) is connected to the housing unit (1) through flowline (31), oil guide pipe (7) lower end surface is lower than institute State the communication port preset height of flowline (31) Yu the housing unit (1).
12. rotor compressor described in 0 or 11 according to claim 1, which is characterized in that the rotor compressor is twin rotor Compressor, single cylinder rotor compressor, three cylinder rotor compressors, multi-stage rotor compressor, vertical rotor compressor or horizontal rotor Compressor.
CN201910740606.1A 2019-08-12 2019-08-12 Compressor oil level component and rotor compressor Pending CN110425140A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910740606.1A CN110425140A (en) 2019-08-12 2019-08-12 Compressor oil level component and rotor compressor

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Application Number Priority Date Filing Date Title
CN201910740606.1A CN110425140A (en) 2019-08-12 2019-08-12 Compressor oil level component and rotor compressor

Publications (1)

Publication Number Publication Date
CN110425140A true CN110425140A (en) 2019-11-08

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CN201910740606.1A Pending CN110425140A (en) 2019-08-12 2019-08-12 Compressor oil level component and rotor compressor

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1945014A (en) * 2006-10-27 2007-04-11 东南大学 Automatic balance and compensating device for refrigeration compressor oil level
JP2007146718A (en) * 2005-11-25 2007-06-14 Hokuetsu Kogyo Co Ltd Lubricating oil recovery mechanism for oil cooled screw compressor
CN101093121A (en) * 2006-06-21 2007-12-26 海尔集团公司 Oil equalizer of multistage type air conditioning unit
CN101813396A (en) * 2009-02-19 2010-08-25 珠海格力电器股份有限公司 Air conditioning unit and method for detecting oil level of compressor thereof
CN103573626A (en) * 2012-08-02 2014-02-12 珠海格力电器股份有限公司 Compressor parallel system and double-rotor compressor of same
CN105422419A (en) * 2015-11-20 2016-03-23 珠海格力节能环保制冷技术研究中心有限公司 Compressor and oil-return switching method
CN107288887A (en) * 2017-08-03 2017-10-24 珠海格力节能环保制冷技术研究中心有限公司 Refrigeration plant and its compressor assembly

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007146718A (en) * 2005-11-25 2007-06-14 Hokuetsu Kogyo Co Ltd Lubricating oil recovery mechanism for oil cooled screw compressor
CN101093121A (en) * 2006-06-21 2007-12-26 海尔集团公司 Oil equalizer of multistage type air conditioning unit
CN1945014A (en) * 2006-10-27 2007-04-11 东南大学 Automatic balance and compensating device for refrigeration compressor oil level
CN101813396A (en) * 2009-02-19 2010-08-25 珠海格力电器股份有限公司 Air conditioning unit and method for detecting oil level of compressor thereof
CN103573626A (en) * 2012-08-02 2014-02-12 珠海格力电器股份有限公司 Compressor parallel system and double-rotor compressor of same
CN105422419A (en) * 2015-11-20 2016-03-23 珠海格力节能环保制冷技术研究中心有限公司 Compressor and oil-return switching method
CN107288887A (en) * 2017-08-03 2017-10-24 珠海格力节能环保制冷技术研究中心有限公司 Refrigeration plant and its compressor assembly

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Application publication date: 20191108

RJ01 Rejection of invention patent application after publication