CN106246503B - A kind of compressor - Google Patents
A kind of compressor Download PDFInfo
- Publication number
- CN106246503B CN106246503B CN201610693747.9A CN201610693747A CN106246503B CN 106246503 B CN106246503 B CN 106246503B CN 201610693747 A CN201610693747 A CN 201610693747A CN 106246503 B CN106246503 B CN 106246503B
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- CN
- China
- Prior art keywords
- cylinder wall
- compressor
- piston
- cylinder
- motor
- 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.)
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Classifications
-
- 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
-
- 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
- F04B39/0005—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 adaptations of pistons
-
- 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
- F04B39/04—Measures to avoid lubricant contaminating the pumped fluid
-
- 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
-
- 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
- F04B39/066—Cooling by ventilation
-
- 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
- F04B39/10—Adaptations or arrangements of distribution members
-
- 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
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/122—Cylinder block
-
- 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
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/125—Cylinder heads
-
- 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
-
- 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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/20—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by changing the driving speed
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The invention discloses a kind of compressor,It includes compressor housing,Motor and bent axle,Piston unit is provided with bent axle,Piston unit includes piston ring and cylinder wall,Piston ring is 0.1 ~ 0.3mm with cylinder wall gap when piston unit moves,Piston after being expanded under high temperature is arranged to ellipsoidal structure,Cylinder cover top is provided with reinforced heat exchanger,Reinforced heat exchanger is radiating ribs,Leg is provided with inspiratory airflow enhanced heat exchange mechanism in cylinder wall,Inlet valve is provided with compression case body,Air-breathing filter screen is housed on the inside of inlet valve,Bent axle one end is provided with fan,After said structure,Inspiratory airflow enhanced heat exchange mechanism is provided with cylinder wall around leg,Advantageously reduce the temperature of compressed gas in cylinder wall,Air current composition gas sucks from inlet valve,Enter around inspiratory airflow enhanced heat exchange mechanism to enter back into cylinder by motor and compress,Make oil is gentle to separate,Advantageously reduce the temperature of compressed gas in cylinder wall,Reduce resistance,Reduce influence of the overheat to compressor.
Description
Technical field
The present invention relates to a kind of refrigeration system, more particularly to a kind of semi-hermetic piston-type compressor.
Background technology
At present, in this Semi-closed piston compressor, the problem of existing is, according to service condition, its oil is gentle can not
Realize and separate, temperature is very high during compressor operating, and temperature is too high unfavorable to the performance of compressor and life-span；In addition, cylinder
In piston movement when with cylinder wall leave gap, can cause seizure of piston again if its gap is too small in the prior art, and
Piston is aluminium, and aluminium expands at high temperature can be very serious, causes its wall unevenness even, reduction of service life, existing to use line
It is 25% or 75% to enclose motor speed rate of change, and current drain is big in transient operation, and Energy Efficiency Ratio reduces, exhaust cooling effect
Difference.
The content of the invention
The technical problem to be solved in the present invention is to provide one kind can by the rapid exhaust cooling of equipment, oil it is gentle be separated,
Increase the service life, improve the compressor of Energy Efficiency Ratio and good refrigeration effect.
In order to solve the above-mentioned technical problem, the invention provides a kind of compressor, it includes compressor housing, is installed on pressure
Motor in contracting casing body, the bent axle driven in compression case body by motor is installed on, work is provided with the bent axle
Unit is filled in, the piston unit is used to move back and forth in the compression case body in oscillating fashion, the piston unit bag
Piston ring and cylinder wall are included, the piston ring is adapted with cylinder wall, and the piston unit is sealing structure, the piston unit
Piston ring is 0.1~0.3mm with cylinder wall gap during motion, and the piston unit is arranged to ellipsoidal structure, expanded under high temperature
Coordinate with cylinder wall, the compressor housing is provided with cylinder cover, and the cylinder cover top is provided with reinforced heat exchanger, described strong
Change heat-exchanger rig is radiating ribs, and leg is provided with inspiratory airflow enhanced heat exchange mechanism in the cylinder wall, for reducing in cylinder wall
The temperature of compressed gas, the compression case body is interior to be provided with inlet valve, and air-breathing filter screen, the air-breathing are housed on the inside of the inlet valve
Its interior is arranged to spiral helicine deflector, and gas sucks from inlet valve, strengthens by motor into inspiratory airflow
Enter back into cylinder and compress around heat exchange mechanisms, for the gentle phase separation of oil, described bent axle one end is provided with fan, for increasing song
Axle box disturbs, enhanced heat exchange,
Preferably, the motor coil motor rotational speed rate is arranged to two sections, and one section of relative speed variation is 25%~
30%, two sections of relative speed variations are 75%~80%, two sections of difference alternate runs.
Preferably, the motor is run with identical frequency.
Preferably, the cylinder cover top is provided with least four endways radiating ribs.
Preferably, the bent axle is through on compressor housing shell wall region, and the fan is posted by compressor housing.
Preferably, described bent axle one end is provided with disc and/or fan.
Preferably, the compressor housing uses refrigerant suction flow using refrigerant gas cooling round-robin method, main survey
Meter method, auxiliary survey use refrigerant liquid flow meter method.
Compared with prior art, the present invention has following advantages：
Be provided with piston unit on the bent axle, the piston unit includes piston ring and cylinder wall, the piston ring with
Cylinder wall is adapted, and the piston unit is sealing structure, and piston ring is 0.1 with cylinder wall gap when the piston unit moves
~0.3mm, the piston after expanding under the high temperature are arranged to ellipsoidal structure sealing, with cylinder wall during piston movement in cylinder
There is gap, its gap is the smaller the better, and piston is aluminum, and the wall unevenness of its cylinder wall is even, and aluminium at high temperature can be swollen rapidly
It is swollen, so the piston after being expanded under high temperature is not positive round, in order to reach more preferable gap, its measure the expansion of high temperature lower piston with
Shape afterwards, piston is then made elliptical shape in Piston Machining according to this data so that piston is after high-temperature expansion
Become positive round, it is so as to be advantageous to that the gap setting between piston and cylinder is small, improve performance.
The compressor housing is provided with cylinder cover, and the cylinder cover top is provided with reinforced heat exchanger, and the reinforcing is changed
Hot charging is set to radiating ribs, by increasing capacitance it is possible to increase the radiating of cylinder cover, cooling compressor operating can be exhausted, extension uses the longevity
Life, improve refrigeration, cylinder cover is temperature highest region in compressor, temperature it is too high to the performance of compressor and life-span all
It is unfavorable, inspiratory airflow enhanced heat exchange mechanism is provided with the cylinder wall around leg, advantageously reduces compressed gas in cylinder wall
Temperature, reduce resistance, reduce influence of the overheat to compressor.
Is provided with inlet valve in the compression case body, the inlet valve inner side is equipped with air-breathing filter screen, in the air-breathing filter screen
Portion is arranged to spiral helicine deflector, and air current composition gas sucks from inlet valve, and it is strong to enter inspiratory airflow by motor
Change to enter back into cylinder around heat exchange mechanisms and compress, make oil is gentle to separate, effectively prevent liquid hammer, increase separating effect, and
Pressure drop is reduced, described bent axle one end is provided with fan and/or disc, can reach the double effectses for getting rid of oil and fan for cooling.
The motor coil motor rotational speed rate is arranged to two sections, and one section of relative speed variation is 25%~30%, two sections
Relative speed variation is 75%~80%, two sections of difference alternate runs, one section of operation or one section of broken, reduction current drain.
Brief description of the drawings
Fig. 1 is the structural representation of compressor of the present invention.
Fig. 2 is the structural representation of cylinder cover in compressor of the present invention.
Wherein：1- compressor housings, 2- motors, 3- bent axles, 4- piston units, 401- piston rings, 402- cylinder walls,
5- cylinder covers, 6- reinforced heat exchangers, 601- radiating ribs, 7- inspiratory airflow enhanced heat exchanges mechanism, 8- inlet valves, the filter of 9- air-breathings
Net, 10- deflectors, 11- fans.
Embodiment
As shown in figure 1, a kind of compressor, it include compressor housing 1, be installed on motor 2 in compressor housing 1,
The bent axle 3 driven in compressor housing 1 by motor 2 is installed on, piston unit 4, the piston are provided with the bent axle 3
Unit 4 is used to move back and forth in the compressor housing 1 in oscillating fashion, and the piston unit 4 includes the He of piston ring 401
Cylinder wall 402, the piston ring 401 are adapted with cylinder wall 402, and the piston unit 4 is sealing structure, the piston unit
Piston ring 401 is 0.1~0.3mm with the gap of cylinder wall 402 during 4 motion, and the piston after being expanded under the high temperature is arranged to oval
Shape structure, as shown in Fig. 2 the compressor housing 1 is provided with cylinder cover 5, the top of cylinder cover 5 is provided with reinforced heat exchanger
6, the reinforced heat exchanger 6 is radiating ribs 601, and leg is provided with inspiratory airflow enhanced heat exchange mechanism 7 in the cylinder wall 402,
For reducing the temperature of compressed gas in cylinder wall, inlet valve 8 is provided with the compressor housing 1, the inner side of inlet valve 8 fills
There is air-breathing filter screen 9, spiral helicine deflector 10 is arranged to inside the air-breathing filter screen 9, gas sucks from inlet valve 8, passes through
Motor 2, which enters around inspiratory airflow enhanced heat exchange mechanism 7 to enter back into cylinder, to be compressed, described for the gentle phase separation of oil
The one end of bent axle 3 is provided with fan 11, for increasing crankcase disturbance, enhanced heat exchange.
The coil motor rotational speed rate of motor 2 is arranged to two sections, and one section of relative speed variation is 25%~30%, two sections
Relative speed variation is 75%~80%, two sections of difference alternate runs.
The motor 2 is run with identical frequency.
The top of cylinder cover 5 is provided with least four endways radiating ribs 601.
The bent axle 3 is through on the shell wall region of compressor housing 1, and the fan 11 is posted by compressor housing 1.
Described one end of bent axle 3 is provided with disc and/or fan.
For the compressor housing 1 using refrigerant gas cooling round-robin method, main survey uses refrigerant suction flowmeter method, auxiliary
Survey uses refrigerant liquid flow meter method.
The refrigerant of low-temp low-pressure enters compressor, the favorable current after motor through compressor inlet valve 8 and air-breathing filter screen 9
Passage enters cylinder wall 402, and the suction superheat of refrigerant is improved while cooling down cylinder wall, then enters gas through inlet channel
Cylinder is compressed into the gas discharge compressor of HTHP, goes refrigeration system to carry out kind of refrigeration cycle.
First, corresponding parameter, the flow q of refrigerant are measured by corresponding measuring point in schematic diagrammfCan be straight by flowmeter
Reading is connect, then refrigerating capacity is：
Main survey：
Auxiliary survey：
In above formula, νgaFor compressor aspiration ratio volume under standard condition.
The adjusting method of operating condition of test main control parameters：
Pressure at expulsion regulation is that the cooling water of exhaust regulating valve, Two-stage control subcooler and condenser is controlled by one-level
Temperature, flow are achieved；
Pressure of inspiration(Pi) regulation is to control suction modulation, the restriction of Two-stage control hot gas regulating valve cold into gas by one-level
But the flow rate of refrigerant gas of device is achieved；
Suction temperature regulation is then to enter gas cooling by the electric expansion valve adjustment control in refrigerant liquid line
The refrigerant liquid flow of device is realized.
Claims (2)
- A kind of 1. compressor, it is characterised in that：It includes compressor housing（1）, be installed on compressor housing（1）Interior motor （2）, be installed on compressor housing（1）It is interior by motor（2）The bent axle of driving（3）, the bent axle（3）On be provided with piston list Member（4）, the piston unit（4）For in oscillating fashion in the compressor housing（1）Interior reciprocating motion, the piston list Member（4）Including piston ring（401）And cylinder wall（402）, the piston ring（401）With cylinder wall（402）It is adapted, the piston Unit（4）For sealing structure, the piston unit（4）Piston ring during motion（401）With cylinder wall（402）Gap be 0.1 ~ 0.3mm, the piston unit（4）It is arranged to ellipsoidal structure, expansion and cylinder wall under high temperature（402）It is engaged, the compression Casing body（1）It is provided with cylinder cover（5）, the cylinder cover（5）Top is provided with reinforced heat exchanger（6）, the enhanced heat exchange dress Put（6）For radiating ribs（601）, the cylinder wall（402）Interior leg is provided with inspiratory airflow enhanced heat exchange mechanism（7）, for reducing The temperature of compressed gas in cylinder wall, the compressor housing（1）It is interior to be provided with inlet valve（8）, the inlet valve（8）Inner side is equipped with Air-breathing filter screen（9）, the air-breathing filter screen（9）Inside is arranged to spiral helicine deflector（10）, gas is from inlet valve（8）Middle suction Enter, by motor（2）Into inspiratory airflow enhanced heat exchange mechanism（7）Surrounding, which is entered back into cylinder, to be compressed, gentle for oil It is separated, the bent axle（3）One end is provided with fan（11）, for increasing crankcase disturbance, enhanced heat exchange, the bent axle（3）Pass through Wear to compressor housing（1）On shell wall region, the fan（11）It is posted by compressor housing（1）, the bent axle（3）One end is set There are disc and/or fan, the motor（2）Coil motor rotational speed rate is arranged to two sections, and one section of relative speed variation is 25% ~ 30%, two sections of relative speed variations are 75% ~ 80%, two sections of difference alternate runs, the compressor housing（1）Using refrigerant gas Round-robin method is cooled down, main survey uses refrigerant suction flowmeter method, and auxiliary survey uses refrigerant liquid flow meter method, the system of low-temp low-pressure Cryogen is through compressor inlet valve（8）With air-breathing filter screen（9）Into compressor, pleasant circulation road enters cylinder wall after motor （402）, the suction superheat of refrigerant is improved while cooling down cylinder wall, then enters cylinder compression into high temperature through inlet channel The gas discharge compressor of high pressure, goes refrigeration system to carry out kind of refrigeration cycle, the cylinder cover（5）Top is endways provided with least four Radiating ribs（601）.
- A kind of 2. compressor according to claim 1, it is characterised in that：The motor（2）Transported with identical frequency OK.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610693747.9A CN106246503B (en) | 2016-08-18 | 2016-08-18 | A kind of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610693747.9A CN106246503B (en) | 2016-08-18 | 2016-08-18 | A kind of compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106246503A CN106246503A (en) | 2016-12-21 |
| CN106246503B true CN106246503B (en) | 2018-02-23 |
Family
ID=57591629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610693747.9A Active CN106246503B (en) | 2016-08-18 | 2016-08-18 | A kind of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106246503B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441762A (en) * | 2018-12-24 | 2019-03-08 | 沈阳远大压缩机有限公司 | A kind of high revolving speed compressor set of reciprocating-piston |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU415882B2 (en) * | 1966-11-16 | 1971-08-04 | Oil free refrigerant compressor | |
| US6131406A (en) * | 1997-06-25 | 2000-10-17 | Bitzer Kuehlmaschinenbau Gmbh | Refrigerant compressor |
| CN1760549A (en) * | 2004-09-24 | 2006-04-19 | 沃克斯戴德私人有限责任公司 | Cooling device for piston machinery |
| CN103334847A (en) * | 2013-07-18 | 2013-10-02 | 周继斌 | Small-gap and low-friction piston component |
| CN103994563A (en) * | 2013-02-19 | 2014-08-20 | 台达电子工业股份有限公司 | Dust-proof device for radiator |
-
2016
- 2016-08-18 CN CN201610693747.9A patent/CN106246503B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU415882B2 (en) * | 1966-11-16 | 1971-08-04 | Oil free refrigerant compressor | |
| US6131406A (en) * | 1997-06-25 | 2000-10-17 | Bitzer Kuehlmaschinenbau Gmbh | Refrigerant compressor |
| CN1760549A (en) * | 2004-09-24 | 2006-04-19 | 沃克斯戴德私人有限责任公司 | Cooling device for piston machinery |
| CN103994563A (en) * | 2013-02-19 | 2014-08-20 | 台达电子工业股份有限公司 | Dust-proof device for radiator |
| CN103334847A (en) * | 2013-07-18 | 2013-10-02 | 周继斌 | Small-gap and low-friction piston component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106246503A (en) | 2016-12-21 |
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