CN108869292A - A kind of compressor and refrigerating circulatory device - Google Patents
A kind of compressor and refrigerating circulatory device Download PDFInfo
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- CN108869292A CN108869292A CN201810917064.6A CN201810917064A CN108869292A CN 108869292 A CN108869292 A CN 108869292A CN 201810917064 A CN201810917064 A CN 201810917064A CN 108869292 A CN108869292 A CN 108869292A
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- refrigerant
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/001—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
- F04C29/0085—Prime movers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The present invention provides a kind of compressor and refrigerating circulatory device, compressor includes：Shell, setting are arranged in the intracorporal driving assembly of shell in the intracorporal compression assembly of shell, it is arranged in the intracorporal expansion assembly of shell, and expansion recycling component, expansion recycling component recycles the refrigerant after expansion process, and is delivered in compression assembly after refrigerant is carried out decrease temperature and pressure processing.The present invention uses multi-stage compression technology, compares single-stage and two stages of compression structure, and every grade of pressure ratio and pressure difference is smaller, reduces leakage rate, improves the volumetric efficiency of compressor；Function technology is recycled in combination with expansion, the power drive compression assembly that expansion process is carried out to the refrigerant after compression processing, and generates driving assembly using refrigerant expansion by expansion assembly, to reduce compressor power consumption.
Description
Technical field
The present invention relates to Technology of Compressor Refrigeration fields, and in particular to a kind of compressor and refrigerating circulatory device.
Background technique
Currently, in refrigeration industry, it is common to use refrigerant be mainly CFC and HCFC.But CFC and HCFC refrigeration
Agent has destruction to ozone layer and generates greenhouse effects.In recent years, insider carries out replacing refrigerant CFC and HCFC
Research work；Wherein, carbon dioxide has ODP=0, GWP=1, does not destroy ozone layer, is free from environmental pollution, abundance, valence
The advantages that lattice cheap and excellent heat transfer property, therefore attracted attention as the possible substitute of refrigerant.With CFC and
HCFC is compared, and the critical-temperature of carbon dioxide low (31.1 DEG C), critical pressure are high (7.37MPa), main when it is as refrigerant
Wanting form is Trans-critical cycle refrigeration cycle, and the coefficient of performance recycles low by 20% or more than conventional refrigerant；Main cause is carbon dioxide
Operating pressure and pressure difference it is all very high, restriction loss is bigger, and in order to improve circularly cooling performance, one of Technology Ways are
Improve the performance of compressor.
The type of the carbon-dioxide gas compressor of mainstream is back-pressure structure form in two-stage at present, is had there are two cylinder,
In cylinder be one stage of compression cylinder, another cylinder is two-stage compression cylinder, and low-pressure stage refrigerant first flows into compression motor spindle
One stage of compression cylinder, be compressed to intermediate pressure under the action of pressure texture, be directly discharged to compressor, then
The two-stage compression chamber on compressor top is flowed into after cooling in intercooler, refrigerant is compressed into two-stage compression chamber
It is discharged after high pressure.But only there are two cylinders for this compressor, two stages of compression can only be carried out, in the carbon dioxide work of high pressure differential
The amount of leakage of refrigerant and the deflection of part are still bigger than normal under condition, and the compressor of the structure does not expand the function of recycling function
Can, cause volume and mechanical efficiency relatively low.
Summary of the invention
The first object of the present invention is to provide a kind of compressor, with solve existing carbon-dioxide gas compressor volume and
The relatively low problem of mechanical efficiency.
To achieve the above object, technical solution proposed by the present invention is as follows：
A kind of compressor, including：Shell；It is arranged in the intracorporal driving assembly of the shell；It is arranged in the intracorporal pressure of the shell
Contracting component, and the compression assembly and the driving component are drivingly connected, under the driving of the driving component to refrigeration
Agent carries out at least three stage compression and handles；It is arranged in the intracorporal expansion assembly of the shell, the expansion assembly and the driving component
Connection, the expansion assembly are used to carry out expansion process to the refrigerant after the compression assembly compression processing；Expansion recycling
Component, the expansion recycling component recycles the refrigerant after expansion process, and will convey after refrigerant progress decrease temperature and pressure processing
To in the compression assembly.
The compressor provided according to the present invention compares single-stage and two stages of compression structure using multi-stage compression technology, every grade
Pressure ratio and pressure difference are smaller, reduce leakage rate, improve the volumetric efficiency of compressor；Function technology is recycled in combination with expansion, is led to
It crosses expansion assembly and expansion process is carried out to the refrigerant after compression processing, and it is dynamic to generate driving assembly using refrigerant expansion
Power drive compression assembly, to reduce compressor power consumption.
In addition, compressor according to the above embodiment of the present invention, can also have following additional technical characteristic：
An example according to the present invention, the compressor are also connected with the first cooler；Wherein, through the compression assembly
After refrigerant after compression processing first passes through the first cooler cooling, then through the expansion assembly expansion process.
An example according to the present invention, the compression assembly include：One stage of compression structure, the one stage of compression structure pair
One stage of compression processing is carried out by the refrigerant of evaporator discharge；Two-stage compression structure, the two-stage compression structure freeze to level-one
Agent carries out two-stage compression processing；Wherein, the primary refrigerant includes that treated through the one stage of compression structure one stage of compression
Refrigerant；Three stage compression structure, the three stage compression structure carry out three stage compression processing to secondary refrigerant, wherein described two
Grade refrigerant includes through the two-stage compression structure two-stage compression treated refrigerant.
An example according to the present invention, the compressor includes air supply passage, for filling into gaseous state system into compressor
Cryogen；Wherein, the primary refrigerant further includes the refrigerant filled by the air supply passage.
An example according to the present invention, the refrigerant of the air supply passage include by the expansion recycling component conveying Lai
Refrigerant.
An example according to the present invention, the compressor further include the second cooler；Wherein, the secondary refrigerant is first
By carrying out three stage compression processing through the three stage compression structure again after second cooler cooling.
An example according to the present invention, the one stage of compression structure include：Level-one cylinder, the level-one cylinder are equipped with
First air entry and first row port；Wherein, first air entry is used to be connected to the outlet of evaporator；Level-one roller, it is described
Level-one roller is placed in the level-one cylinder, and the level-one roller cooperates level-one cylinder under the driving of the driving component
One stage of compression processing is carried out to refrigerant；Level-one cavity, the level-one cavity is connected to the first row port, so that level-one pressure
Discharge refrigerant after contracting is into the level-one cavity.
An example according to the present invention, the two-stage compression structure include：Secondary cylinder, the secondary cylinder are equipped with
Second air entry and second exhaust port；Wherein, second air entry sucks primary refrigerant in the secondary cylinder；Second level
Roller, the second level roller are placed in the secondary cylinder, and the second level roller is matched under the driving of the driving component
It closes secondary cylinder and two-stage compression processing is carried out to primary refrigerant；Secondary cavity, the secondary cavity and the second exhaust port
Connection so that the discharge refrigerant after two-stage compression is into the secondary cavity, the secondary cavity be set on shell two
Grade exhaust outlet is connected；When the compressor includes the second cooler, secondary refrigerant is passed through the by the secondary exhaust
Enter the three stage compression structure after two coolers are cooling.
An example according to the present invention, the three stage compression structure include：Three-stage cylinder, the three-stage cylinder are equipped with
Third air entry and third exhaust outlet；Wherein, the third air entry sucks primary refrigerant in the three-stage cylinder；Three-level
Roller, the three-level roller are placed in the three-stage cylinder, and the three-level roller is matched under the driving of the driving component
It closes three-stage cylinder and three stage compression processing is carried out to primary refrigerant；Three-level cavity, the three-level cavity and the third exhaust outlet
Connection so that the discharge refrigerant after three stage compression is into the three-level cavity, the three-level cavity be set on shell three
Grade exhaust outlet is connected；When the compressor includes the first cooler, the three-level exhaust outlet is by the refrigeration after three stage compression
Agent is by entering the expansion assembly after the cooling of the first cooler.
An example according to the present invention, the one stage of compression structure, two-stage compression structure and three stage compression structure are under
It is supreme to set gradually；Or, the one stage of compression structure, two-stage compression structure and three stage compression structure are from top to bottom set gradually；
Or, the one stage of compression structure setting is between the two-stage compression structure and the three stage compression structure；Or, the three-level pressure
Shrinking structure is arranged between the one stage of compression structure and the two-stage compression structure.
An example according to the present invention, between the one stage of compression structure, two-stage compression structure and three stage compression structure
It is separated by by partition.
An example according to the present invention, the expansion assembly include：Expansion cylinder is provided on the expansion cylinder
Four air entries and the 4th exhaust outlet；Roller, the roller are placed in the expansion cylinder；Wherein, the 4th air entry is used
In will be sucked in the expansion cylinder through the compression assembly multi-stage compression treated refrigerant；The roller is used for described
Expansion process is carried out to the refrigerant sucked in the expansion cylinder under the driving of driving assembly；Expanded treated refrigerant
It is discharged by the 4th exhaust outlet；Wherein, when the compressor connects the first cooler, the 4th air entry and first cold
But the outlet connection of device.
An example according to the present invention, expansion recycling component includes recovery pipe, described recovery pipe one end with
4th exhaust outlet is connected, and the other end is communicated with evaporator.
An example according to the present invention, expansion recycling component further includes economizer, the import of the economizer with
The expansion assembly is connected, and the outlet of the economizer is connected with the evaporator.
An example according to the present invention is provided with when the compressor includes air supply passage on the economizer
One outlet and second outlet, the first outlet are connected to the import of the evaporator, for liquid refrigerant to be delivered to evaporation
Device；The second outlet is connected to the air supply passage, and the gaseous refrigerant for going out shwoot fills into compression by air supply passage
In machine.
An example according to the present invention, the economizer are flash vessel.
An example according to the present invention is additionally provided with expanding machine on the pipeline being connected between the economizer and evaporator
Structure, for reducing the power of refrigerant operation.
An example according to the present invention, the expansion mechanism are expansion valve.
An example according to the present invention, the driving component include crankshaft and the driving knot for driving crankshaft operation
Structure；The compression assembly, expansion assembly are sleeved on the crankshaft；When being provided with gas exhaust piping on the shell, the shell
The intracorporal refrigerant of the chamber of body first passes through the driving structure before sucking gas exhaust piping, to carry out cooling drop to driving structure
Temperature.
An example according to the present invention is equipped with gear oil being higher than at the driving structure position on the crankshaft
Plate, for separating the refrigeration oil in refrigerant.
An example according to the present invention, interior interval the first mounting plate of installation of the shell and the second mounting plate, it is described swollen
Swollen component is placed between first mounting plate and second mounting plate.
An example according to the present invention, first mounting plate and second mounting plate are to be set on the crankshaft
Flange.
An example according to the present invention, the interior interval installation third mounting plate of the shell and the 4th mounting plate, the pressure
Contracting component is placed between the third mounting plate and the 4th mounting plate.
An example according to the present invention, the third mounting plate and the 4th mounting plate are to be set on the crankshaft
Flange.
The second object of the present invention is to provide a kind of refrigerating circulatory device have such as any one of above-mentioned technical proposal institute
The compressor stated.
According to invention example, the refrigerating circulatory device further includes evaporator, and the import of the evaporator is used for
It is connected to the expansion assembly connection, the outlet of the evaporator is for being connected to the compression assembly.
The advantages of above additional aspect, will be set forth in part in the description, and partially will become from the following description bright
It is aobvious, or practice through the invention recognizes.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the first compressor of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of second of compressor of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the third compressor of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the 4th kind of compressor of the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of the 5th kind of compressor of the embodiment of the present invention；
Fig. 6 is the structural schematic diagram of the 6th kind of compressor of the embodiment of the present invention；
Fig. 7 is the simplification figure of the first refrigerating circulatory device of the embodiment of the present invention
Fig. 8 is the structural schematic diagram of second of refrigerating circulatory device of the embodiment of the present invention；
Fig. 9 is the simplification figure of the third refrigerating circulatory device of the embodiment of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows：
1, shell；2, upper cover；3, body；4, lower cover；5, driving assembly；6, compression assembly；7, one stage of compression structure；8, two
Grade pressure texture；9, three stage compression structure；10, expansion assembly；11, expansion recycling component；12, the first cooler；13, second is cold
But device；14, air supply passage；15, first flange；16, second flange；17, third flange；18, the 4th flange；19, first partition；
20, second partition；21, third partition；22, the 4th partition；23, level-one cylinder；24, the first air entry；25, level-one roller；26,
Secondary cylinder；27, second level roller；28, secondary exhaust；29, three-stage cylinder；30, third air entry；31, three-level exhaust outlet；
32, expansion cylinder；33, the 4th air entry；34, the 4th exhaust outlet；35, roller；36, crankshaft；37, stator；38, rotor；39, it keeps off
Oiled-plate method；40, evaporator；41, flash vessel；42, expansion valve；43, binding post；44, oil pump；45, cooling oil；46, flange plate；
47, three-level roller.
Embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
Embodiment one
In conjunction with attached drawing 1, a kind of compressor is present embodiments provided, the compressor of the present embodiment includes：Shell 1, is mounted on
Driving assembly 5, compression assembly 6 and expansion assembly 10 in shell 1, and expansion recycling component 11.Wherein, the shell 1 by
Upper cover 2, body 3 and lower cover 4 form；Compression assembly 6 and driving assembly 5 are drivingly connected, for right under the driving of driving assembly 5
Refrigerant carries out at least three stage compression and handles；Expansion assembly 10 is connect with driving assembly 5, and expansion assembly 10 is used for through compression group
Refrigerant after 6 compression processing of part carries out expansion process；Expansion recycling component 11 recycles the refrigerant after expansion process, and will system
Cryogen is delivered in compression assembly 6 after carrying out decrease temperature and pressure processing.
Compressor provided in this embodiment uses multi-stage compression technology, compares single-stage and two stages of compression structure, every grade of pressure
Power ratio and pressure difference are smaller, reduce leakage rate, improve the volumetric efficiency of compressor；Function technology is recycled in combination with expansion, is passed through
Expansion assembly 10 carries out expansion process to the refrigerant after compression processing, and generates driving assembly 5 using refrigerant expansion
Power drive compression assembly 6, to reduce compressor power consumption.
Advantageous, the compressor of the present embodiment further includes having the first cooler 12；First cooler 12 setting shell 1 it
Outside, after the refrigerant after 6 compression processing of compression assembly first passes through the cooling of the first cooler 12, then at 10 expansion of expanded component
Reason.In this way, being avoided that the body temperature of compressor is high, compressor is protected, moreover it is possible to improve the expansion efficiency of expansion assembly 10.
Specifically, the compression assembly 6 of the present embodiment is three stage compression structure 9 comprising set gradually from the bottom to top：One
Grade pressure texture 7, one stage of compression structure 7 carry out one stage of compression processing to the refrigerant being discharged by evaporator 40；Two-stage compression knot
Structure 8, two-stage compression structure 8 carry out two-stage compression processing to primary refrigerant；Wherein, primary refrigerant includes through one stage of compression knot
7 one stage of compression of structure treated refrigerant；Three stage compression structure 9, three stage compression structure 9 carry out three stage compression to secondary refrigerant
Processing, wherein secondary refrigerant includes through 8 two-stage compression of two-stage compression structure treated refrigerant.Certainly, in addition to above-mentioned
Three stage compression processing structure can also increase the level of pressure texture according to specific requirements.
Advantageous, the compressor of the present embodiment further includes the second cooler 13；Wherein, it is cold to first pass through second for secondary refrigerant
But three stage compression processing is carried out through three stage compression structure 9 again after device 13 is cooling, avoids the body temperature of compressor high, protection compression
Machine, moreover it is possible to improve the expansion efficiency of expansion assembly 10.
Specifically, above-mentioned first cooler 12 and the second cooler 13 of the present embodiment can using water cooling or it is air-cooled into
The cooling of row coolant.
Advantageous, the compressor of the present embodiment includes air supply passage 14, for filling into gaseous refrigerant into compressor；Its
In, primary refrigerant further includes the refrigerant filled by air supply passage 14.The setting of air supply passage 14 is so that compressor has benefit
Gas enthalpy-increasing function is further able to improve the volumetric efficiency and refrigerating capacity of compressor.
It is more favorable, the refrigerant of the air supply passage 14 of the present embodiment may include by expansion recycling component 11 conveying Lai
Refrigerant.Refrigerant by expansion process passes through expansion assembly 10 again and recycles, and forms gas-liquid two-phase form, and part is freezed
Agent is re-introduced into evaporator 40, and remaining refrigerant is entered directly into compression assembly 6 by air supply passage 14, Ke Yijin
One step reduces energy consumption of compressor.
Specifically, the one stage of compression structure 7 of the present embodiment is integrally located between first flange 15 and first partition 19, first
It is flange plate 46 below flange 15, forms an intermediate cavity, 46 lower section of flange plate between first flange 15 and flange plate 46
For the lower cover 4 of shell 1, an oil pocket is collectively formed in flange plate 46 and lower cover 4, is equipped with oil pump 44 and cooling oil in oil pocket
45。
Specifically, the one stage of compression structure 7 of the present embodiment includes：Level-one cylinder 23, level-one cylinder 23 are equipped with first and inhale
Port 24 and first row port；Wherein, the first air entry 24 is used to be connected to the outlet of evaporator 40；Level-one roller 25, level-one rolling
Son 25 is placed in level-one cylinder 23, and level-one roller 25 cooperates level-one cylinder 23 to refrigerant under the driving of driving assembly 5
Carry out one stage of compression processing；Level-one cavity, level-one cavity are connected to first row port, so that the discharge refrigerant after one stage of compression
Into level-one cavity.
Specifically, the two-stage compression structure 8 of the present embodiment is integrally located between first partition 19 and second partition 20, second
Partition 20 is located at the top of first partition 19, and also with third partition 21 second partition 20 above, second every with third every
Plate 21 surrounds a discharge chamber.
Specifically, the two-stage compression structure 8 of the present embodiment includes：Secondary cylinder 26, secondary cylinder 26 are equipped with second and inhale
Port and second exhaust port；Wherein, the second air entry sucks primary refrigerant in secondary cylinder 26；Second level roller 27, second level
Roller 27 is placed in secondary cylinder 26, and second level roller 27 cooperates secondary cylinder 26 to level-one under the driving of driving assembly 5
Refrigerant carries out two-stage compression processing；Secondary cavity, secondary cavity are connected to second exhaust port, so that the refrigeration after two-stage compression
Agent is discharged into secondary cavity, and secondary cavity is connected with the secondary exhaust 28 being set on shell 1；When compressor includes second
When cooler 13, secondary exhaust 28 is by secondary refrigerant by entering three stage compression structure 9 after the cooling of the second cooler 13.
Specifically, the three stage compression structure 9 of the present embodiment is mounted on above-mentioned third partition 21 and is located at third partition 21
Between 4th partition 22 of top, wherein the 4th partition 22 forms following three-level cavitys with the second flange 16 above it.
Specifically, the three stage compression structure 9 of the present embodiment includes：Three-stage cylinder 29, three-stage cylinder 29 are inhaled equipped with third
Port 30 and third exhaust outlet；Wherein, third air entry 30 sucks primary refrigerant in three-stage cylinder 29；Three-level roller 47,
Three-level roller 47 is placed in three-stage cylinder 29, and three-level roller 47 cooperates three-stage cylinder 29 right under the driving of driving assembly 5
Primary refrigerant carries out three stage compression processing；Three-level cavity, three-level cavity are connected to third exhaust outlet, so that after three stage compression
Into three-level cavity, three-level cavity is connected discharge refrigerant with the three-level exhaust outlet 31 being set on shell 1；When compressor includes
When the first cooler 12, three-level exhaust outlet 31 is by the refrigerant after three stage compression by entering expansion after the cooling of the first cooler 12
Component 10.
Specifically, the expansion assembly 10 of the present embodiment is mounted on the 4th flange of 17 top of third flange 17 and third flange
Between 18, third flange 17 and the 4th flange 18 are located at above-mentioned 16 top of second flange.
Specifically, the expansion assembly 10 of the present embodiment includes：Expansion cylinder 32 is provided with the 4th air-breathing on expansion cylinder 32
Mouth 33 and the 4th exhaust outlet 34；Roller 35, roller 35 are placed in expansion cylinder 32；Wherein, the 4th air entry 33 is for will be through
In 6 multi-stage compression of compression assembly treated refrigerant sucking expansion cylinder 32；Roller 35 is used under the driving of driving assembly 5
Expansion process is carried out to the refrigerant in sucking expansion cylinder 32；Expanded treated refrigerant is by 34 row of the 4th exhaust outlet
Out；Wherein, when compressor connects the first cooler 12, the 4th air entry 33 is connect with the outlet of the first cooler 12.Cryogen
Volume variation (changing from small to big) inside expansion cylinder 32 can become low pressure from high pressure, and the state of refrigerant becomes liquid by gaseous state
Two phase of state, during state changes, refrigerant does work to expansion cylinder 32, can improve compression with recovery section lost work
The compression efficiency of machine.
Expansion assembly 10 in the present embodiment can be swollen for single cylinder expanded form (expansion cylinder is only arranged) or twin-tub
Bulging formula (while two expansion cylinders are set).In addition the present embodiment is by setting 32 form of expansion cylinder, so that expansion efficiency
Higher than vortex form, production technology is good, at low cost.
Specifically, the expansion recycling component 11 of the present embodiment includes recovery pipe, recovery pipe one end and the 4th exhaust outlet
34 are connected, and the other end is communicated with evaporator 40.Advantageous, the expansion recycling component 11 of the present embodiment further includes economizer, warp
The import of Ji device is connected with expansion assembly 10, and the outlet of economizer is connected with evaporator 40, and the economizer of the present embodiment is
Flash vessel 41, effect are to press gaseous refrigerant during shwoot goes out.
It is advantageous, when compressor includes air supply passage 14, it is provided with first outlet and second outlet on economizer, first
The import of outlet evaporator 40, for liquid refrigerant to be delivered to evaporator 40；Second outlet is connected to air supply passage 14,
Gaseous refrigerant for going out shwoot is filled into compressor by air supply passage 14, further decreases energy consumption of compressor.In addition,
It is additionally provided with expansion mechanism on the pipeline being connected between economizer and evaporator 40, for reducing the power of refrigerant operation, tool
Body, expansion mechanism is expansion valve 42.
Specifically, the driving assembly 5 of the present embodiment includes crankshaft 36 and the driving structure for driving crankshaft 36 to operate；Pressure
Contracting component 6, expansion assembly 10 are sleeved on crankshaft 36；When being provided with gas exhaust piping on shell 1, the intracorporal system of the chamber of shell 1
Cryogen first passes through driving structure before sucking gas exhaust piping, to be cooled down to driving structure, the driving machine of the present embodiment
Structure is motor comprising stator 37 and rotor 38.Above-mentioned first flange 15, second flange 16, third flange 17 and the 4th method
Orchid 18 is set on the crankshaft 36.
In addition, the compressor of the present embodiment can on crankshaft 36 be higher than driving structure position at oil baffle is installed
39, for separating the refrigeration oil in refrigerant.Oil baffle 39 is selected at the position higher than rotor 385mm on crankshaft 36.
Specifically, the crankshaft 36 of the present embodiment be according to that can be divided into two parts for its effect, i.e. compression cylinder crankshaft and swollen
Swollen cylinder crankshaft, compression cylinder crankshaft is for driving the cylinder body of compression assembly 6 to act, and expansion cylinder crankshaft is for driving expansion cylinder 32 dynamic
Make, the two can be integrally connected or be detachably connected.
The working principle of the compressor of the present embodiment is described below：After compressor start operation, first order cylinder
The low-temperature low-pressure refrigerant that 23 suckings generate in evaporator 40 is injected into compressor with flash vessel 41 after one stage of compression
The mixing of medium temperature and medium pressure refrigerant after enter second level cylinder 26 and carry out second level compression, the refrigerant after two-stage compression is from compression
Discharge in shell 1 enters third level cylinder 29 later and carries out third level pressure into cooling down in system intercooler
Contracting, compressor is discharged in the refrigerant of high temperature and pressure from compression chamber later, and expansion cylinder is entered after gas cooler heat release
Gas-liquid two-phase state is formed after 32 expansion recovery section work done during compressions and enters flash vessel 41, and some refrigerant is calmed the anger state in this shwoot goes out
Into inside compressor, remaining liquid refrigerant enters the heat absorption of evaporator 40 and is formed refrigerant injection after being depressured by expansion valve 42
The gaseous refrigerant of overheat finally enters compressor and forms refrigeration cycle.
Specifically, the more specific course of work is as follows by taking the specific structure of the present embodiment as an example：
After the binding post 43 of compressor top is powered, magnetic pull is generated between motor stator 37 and rotor 38, is driven
36 high speed rotation of compression cylinder crankshaft being assemblied among rotor 38, compression cylinder crankshaft 36 have the bias of upper, middle and lower three
Portion is respectively provided with level-one roller 25, second level roller 27, three-level roller 47 outside eccentric part, respectively in level-one cylinder 23, two
High speed rotation in grade cylinder 26, three-stage cylinder 29.Expansion cylinder component is connect by expanding cylinder crankshaft 36 with rotor 38, is passed through
Expansion of the carbon dioxide coolant in expansion cylinder pushes expansion cylinder crankshaft 36 to rotate, total with the stator 37 and rotor 38 of motor
With driving 32 air-breathing of expansion cylinder compression.
Level-one cylinder 23 sucks the carbon dioxide coolant of low-temp low-pressure by the first cylinder air entry from evaporator 40
Afterwards, compressed refrigerant is discharged to first flange 15 and 16 cover board of second flange is formed in closed cavity, flash vessel 41 dodges
The middle compression refrigerant issued is entered in the closed cavity simultaneously by air supply passage 14, and refrigerant passes through level-one after mixing herein
Cylinder 23, first partition 19, the internal fluid passageways of secondary cylinder 26 enter progress second level compression inside secondary cylinder 26,
The compressed refrigerant in the second level first discharges into inside shell 1, back pressure form in formation, and cools down to stator 37 and rotor 38
Cooling, while oil baffle 39 carries out Oil-gas Separation to refrigerant, shell 1 is discharged in the refrigerant after separation, into refrigeration system
Enter third level cylinder 29 after intercooler cooling to compress, enters refrigeration system finally by 29 outlet of third level cylinder
In gas cooler in carry out heat exchange, using 32 entrance of expansion cylinder enter expansion cylinder component in.In expansion cylinder
After expansion, exports after expanded valve 42 throttles and entered in system evaporator 40 finally by expansion cylinder 32.
Embodiment two
In conjunction with shown in attached drawing 2, the difference of the present embodiment and embodiment one is only that one stage of compression structure 7, two-stage compression knot
Three stage compression structure 9 is arranged in one stage of compression structure 7 and second level for the variation of the positional relationship of structure 8 and three stage compression structure 9
Between pressure texture 8, and it can be seen that the position of one stage of compression structure 7 is constant from diagram, the bottom in three,
The location swap of two-stage compression structure 8 and three stage compression structure 9.
Embodiment three
In conjunction with shown in attached drawing 3, the difference of the present embodiment and embodiment one is only that one stage of compression structure 7, two-stage compression knot
The variation of the positional relationship of structure 8 and three stage compression structure 9, one stage of compression structure 7 and the position of two-stage compression structure 8 is mutual
It changes, three stage compression structure 9, one stage of compression structure 7 and two-stage compression structure 8 are from top to bottom set gradually.
Example IV
In conjunction with shown in attached drawing 4, the difference of the present embodiment and embodiment one is only that one stage of compression structure 7, two-stage compression knot
The variation of the positional relationship of structure 8 and three stage compression structure 9, by one stage of compression structure 7, three stage compression structure 9 and two-stage compression
Structure 8 is from top to bottom set gradually.
Embodiment five
In conjunction with shown in attached drawing 5, the difference of the present embodiment and embodiment one is only that one stage of compression structure 7, two-stage compression knot
The variation of the positional relationship of structure 8 and three stage compression structure 9, by two-stage compression structure 8, one stage of compression structure 7 and three stage compression
Structure 9 is from top to bottom set gradually.
Embodiment six
In conjunction with shown in attached drawing 6, the difference of the present embodiment and embodiment one is only that one stage of compression structure 7, two-stage compression knot
The variation of the positional relationship of structure 8 and three stage compression structure 9, by three stage compression structure 9, two-stage compression structure 8 and one stage of compression
Structure 7 is from top to bottom set gradually.
Embodiment seven
Present embodiments provide a kind of refrigerating circulatory device comprising evaporator 40 and such as embodiment one are into embodiment six
The compressor of any one, the import of evaporator 40 are connected to for being connected to the expansion assembly 10, and the outlet of evaporator 40 is for connecting
Lead to the compression assembly 6.
Since the structure type of compressor is there are many (including compressor described in above-mentioned six embodiments), refrigeration is followed
The corresponding compressor also with the refrigerating circulatory device corresponding embodiment one in diversified forms, such as Fig. 7 of loop device, in Fig. 8
Refrigerating circulatory device corresponding embodiment three compressor, the compressor of the refrigerating circulatory device corresponding embodiment five of Fig. 9, about
The working principle of refrigerating circulatory device and specific structure type have been described in detail in the above-described embodiments, therefore this
Embodiment is no longer repeated.
In the description of the present invention, it is to be understood that, the orientation or position of the instructions such as term " on ", "lower", "inner", "outside"
Setting relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, rather than
The device of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, and should not be understood as to this
The limitation of invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicit includes one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more, unless otherwise
Clear specific restriction.
In the present invention unless specifically defined or limited otherwise, the terms such as term " installation ", " connected ", " connection " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or is integral etc..For the common of this field
For technical staff, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (26)
1. a kind of compressor, which is characterized in that including：
Shell (1)；
The driving assembly (5) being arranged in the shell (1)；
The compression assembly (6) being arranged in the shell (1), and the compression assembly (6) and the driving component (5) driving connect
It connects, is handled for carrying out at least three stage compression to refrigerant under the driving of the driving component (5)；
The expansion assembly (10) being arranged in the shell (1), the expansion assembly (10) connect with the driving component (5),
The expansion assembly (10) is used to carry out expansion process to the refrigerant after the compression assembly (6) compression processing；
Expansion recycling component (11), it is described expansion recycling component (11) recycling expansion process after refrigerant, and by refrigerant into
It is delivered in the compression assembly (6) after the processing of row decrease temperature and pressure.
2. compressor according to claim 1, which is characterized in that the compressor is also connected with the first cooler (12)；
Wherein,
After refrigerant after the compression assembly (6) compression processing first passes through the first cooler (12) cooling, then through institute
State expansion assembly (10) expansion process.
3. compressor according to claim 1, which is characterized in that the compression assembly (6) includes：
One stage of compression structure (7), the one stage of compression structure (7) carry out one stage of compression to the refrigerant being discharged by evaporator (40)
Processing；
Two-stage compression structure (8), the two-stage compression structure (8) carry out two-stage compression processing to primary refrigerant；Wherein, described
Primary refrigerant includes through one stage of compression structure (7) one stage of compression treated refrigerant；
Three stage compression structure (9), the three stage compression structure (9) carry out three stage compression processing to secondary refrigerant, wherein described
Secondary refrigerant includes through two-stage compression structure (8) two-stage compression treated refrigerant.
4. compressor according to claim 3, which is characterized in that the compressor includes air supply passage (14), for
Gaseous refrigerant is filled into compressor；Wherein, the primary refrigerant further includes the refrigeration filled by the air supply passage (14)
Agent.
5. compressor according to claim 4, which is characterized in that the refrigerant of the air supply passage (14) includes by described
The refrigerant that expansion recycling component (11) conveying comes.
6. compressor according to claim 3, which is characterized in that the compressor further includes the second cooler (13)；Its
In, the secondary refrigerant carries out three through the three stage compression structure (9) again after first passing through the second cooler (13) cooling
Grade compression processing.
7. according to the described in any item compressors of claim 3-6, which is characterized in that the one stage of compression structure (7) includes：
Level-one cylinder (23), the level-one cylinder (23) are equipped with the first air entry (24) and first row port；Wherein, described
One air entry (24) is used to be connected to the outlet of evaporator (40)；
Level-one roller (25), the level-one roller (25) is placed in the level-one cylinder (23), and the level-one roller (25)
Level-one cylinder (23) are cooperated to carry out one stage of compression processing to refrigerant under the driving of the driving component (5)；
Level-one cavity, the level-one cavity are connected to the first row port, so that the discharge refrigerant after one stage of compression is to institute
It states in level-one cavity.
8. compressor according to claim 7, which is characterized in that the two-stage compression structure (8) includes：
Secondary cylinder (26), the secondary cylinder (26) are equipped with the second air entry and second exhaust port；Wherein, described second inhales
Port sucks primary refrigerant in the secondary cylinder (26)；
Second level roller (27), the second level roller (27) is placed in the secondary cylinder (26), and the second level roller (27)
Secondary cylinder (26) are cooperated to carry out two-stage compression processing to primary refrigerant under the driving of the driving component (5)；
Secondary cavity, the secondary cavity are connected to the second exhaust port, so that the discharge refrigerant after two-stage compression is to institute
It states in secondary cavity, the secondary cavity is connected with the secondary exhaust (28) being set on shell (1)；
When the compressor includes the second cooler (13), the secondary exhaust (28) is cold by second by secondary refrigerant
But enter the three stage compression structure (9) after device (13) is cooling.
9. compressor according to claim 8, which is characterized in that the three stage compression structure (9) includes：
Three-stage cylinder (29), the three-stage cylinder (29) are equipped with third air entry (30) and third exhaust outlet；Wherein, described
Three air entries (30) suck primary refrigerant in the three-stage cylinder (29)；
Three-level roller, the three-level roller are placed in the three-stage cylinder (29), and the three-level roller is in the driving group
Three-stage cylinder (29) are cooperated to carry out three stage compression processing to primary refrigerant under the driving of part (5)；
Three-level cavity, the three-level cavity are connected to the third exhaust outlet, so that the discharge refrigerant after three stage compression is to institute
It states in three-level cavity, the three-level cavity is connected with the three-level exhaust outlet (31) being set on shell (1)；
When the compressor includes the first cooler (12), the three-level exhaust outlet (31) leads to the refrigerant after three stage compression
Enter the expansion assembly (10) after crossing the first cooler (12) cooling.
10. according to right want 9 described in compressor, which is characterized in that the one stage of compression structure (7), two-stage compression structure (8)
And three stage compression structure (9) is set gradually from the bottom to top；Or, the one stage of compression structure (7), two-stage compression structure (8) and three
Grade pressure texture (9) is from top to bottom set gradually；Or, the one stage of compression structure (7) is arranged in the two-stage compression structure (8)
Between the three stage compression structure (9)；Or, the three stage compression structure (9) is arranged in the one stage of compression structure (7) and institute
It states between two-stage compression structure (8).
11. compressor according to claim 10, which is characterized in that the one stage of compression structure (7), two-stage compression structure
(8) it is separated by between three stage compression structure (9) by partition.
12. compressor according to claim 1-6, which is characterized in that the expansion assembly (10) includes：
Expansion cylinder (32) is provided with the 4th air entry (33) and the 4th exhaust outlet (34) on the expansion cylinder (32)；
Roller (35), the roller are placed in the expansion cylinder (32)；
Wherein, the 4th air entry (33) through the compression assembly (6) multi-stage compression treated refrigerant for that will suck
In the expansion cylinder (32)；The roller is used under the driving of the driving component (5) to the sucking expansion cylinder
(32) refrigerant in carries out expansion process；It is expanded that treated that refrigerant is discharged by the 4th exhaust outlet (34)；
Wherein, when the compressor connects the first cooler (12), the 4th air entry (33) and the first cooler (12)
Outlet connection.
13. compressor according to claim 12, which is characterized in that expansion recycling component (11) includes recovery tube
Road, described recovery pipe one end are connected with the 4th exhaust outlet (34), and the other end is communicated with evaporator (40).
14. compressor according to claim 13, which is characterized in that expansion recycling component (11) further includes economy
Device, the import of the economizer are connected with the expansion assembly (10), the outlet of the economizer and the evaporator (40)
It is connected.
15. compressor according to claim 14, which is characterized in that when the compressor includes air supply passage (14),
First outlet and second outlet are provided on the economizer, the first outlet is connected to the import of the evaporator (40), uses
In liquid refrigerant is delivered to evaporator (40)；The second outlet is connected to the air supply passage (14), for going out shwoot
Gaseous refrigerant filled into compressor by air supply passage (14).
16. refrigerating circulatory device according to claim 15, which is characterized in that the economizer is flash vessel (41).
17. refrigerating circulatory device according to claim 14, which is characterized in that between the economizer and evaporator (40)
It is additionally provided with expansion mechanism on the pipeline of connection, for reducing the power of refrigerant operation.
18. refrigerating circulatory device according to claim 17, which is characterized in that the expansion mechanism is expansion valve (42).
19. compressor according to claim 1-6, which is characterized in that the driving component (5) includes crankshaft
(36) and for drive crankshaft (36) operate driving structure；The compression assembly (6), expansion assembly (10) are sleeved on the song
On axis (36)；When being provided with gas exhaust piping on the shell (1), the intracorporal refrigerant of chamber of the shell (1) is arranged in sucking
The driving structure is first passed through before air pipe, to cool down to driving structure.
20. compressor according to claim 19, which is characterized in that be higher than driving knot on the crankshaft (36)
Oil baffle (39) are installed, for separating the refrigeration oil in refrigerant at structure position.
21. according to right want 19 described in compressor, which is characterized in that in the shell (1) interval the first mounting plate of installation and
Second mounting plate, the expansion assembly (10) are placed between first mounting plate and second mounting plate.
22. according to right want 21 described in compressor, which is characterized in that first mounting plate and second mounting plate are set
The flange being located on the crankshaft (36).
23. according to right want 19 described in compressor, which is characterized in that in the shell (1) interval installation third mounting plate and
4th mounting plate, the compression assembly (6) are placed between the third mounting plate and the 4th mounting plate.
24. according to right want 23 described in compressor, which is characterized in that the third mounting plate and the 4th mounting plate are set
The flange being located on the crankshaft (36).
25. a kind of refrigerating circulatory device, which is characterized in that the refrigerating circulatory device includes described in claim any one of 1-24
Compressor.
26. refrigerating circulatory device according to claim 25, which is characterized in that the refrigerating circulatory device further includes evaporation
Device (40), the import of the evaporator (40) is for being connected to the expansion assembly (10) connection, the outlet of the evaporator (40)
For being connected to the compression assembly (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810917064.6A CN108869292A (en) | 2018-08-13 | 2018-08-13 | A kind of compressor and refrigerating circulatory device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810917064.6A CN108869292A (en) | 2018-08-13 | 2018-08-13 | A kind of compressor and refrigerating circulatory device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108869292A true CN108869292A (en) | 2018-11-23 |
Family
ID=64317679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810917064.6A Pending CN108869292A (en) | 2018-08-13 | 2018-08-13 | A kind of compressor and refrigerating circulatory device |
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| Country | Link |
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| CN (1) | CN108869292A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253463A (en) * | 2020-10-26 | 2021-01-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
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| CN101251308A (en) * | 2008-04-01 | 2008-08-27 | 中国科学院广州能源研究所 | Refrigeration system capable of recycling expansion work |
| CN108050066A (en) * | 2017-12-22 | 2018-05-18 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of compressor and refrigerating circulatory device |
| CN209164088U (en) * | 2018-08-13 | 2019-07-26 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of compressor and refrigerating circulatory device |
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2018
- 2018-08-13 CN CN201810917064.6A patent/CN108869292A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101251308A (en) * | 2008-04-01 | 2008-08-27 | 中国科学院广州能源研究所 | Refrigeration system capable of recycling expansion work |
| CN108050066A (en) * | 2017-12-22 | 2018-05-18 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of compressor and refrigerating circulatory device |
| CN209164088U (en) * | 2018-08-13 | 2019-07-26 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of compressor and refrigerating circulatory device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112253463A (en) * | 2020-10-26 | 2021-01-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
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