CN105927540A - Vortex-rotation type multistage volume-variable compressor - Google Patents
Vortex-rotation type multistage volume-variable compressor Download PDFInfo
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- CN105927540A CN105927540A CN201610281137.8A CN201610281137A CN105927540A CN 105927540 A CN105927540 A CN 105927540A CN 201610281137 A CN201610281137 A CN 201610281137A CN 105927540 A CN105927540 A CN 105927540A
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- rotary
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Classifications
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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
- F04C23/02—Pumps characterised by combination with or adaptation to specific driving engines or motors
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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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
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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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- 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
- F04C29/06—Silencing
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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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
Abstract
The invention discloses a vortex-rotation type multistage volume-variable compressor. The vortex-rotation type multistage volume-variable compressor is characterized in that the vortex-rotation type multistage volume-variable compressor comprises a low-pressure-stage vortex compression unit, a high-pressure-stage rotation compression unit, a variable-frequency electric motor, a volume unloading passageway, a gas-liquid separator and an interstage mixing chamber; the low-pressure-stage vortex compression unit and the high-pressure-stage rotation compression unit are matched with an electromagnetic valve and a check valve and can achieve a single-stage compression parallel operation working mode or a double-stage compression combined operation working mode; and the volumes and the volume ratio of the two compression units are regulated and controlled through the frequency of the variable-frequency electric motor and the volume unloading mechanism. The vortex-rotation type multistage volume-variable compressor has the beneficial effects that the vortex-rotation type multistage volume-variable compressor can run in a single-machine single-stage compression manner under the running condition with the pressure ratio smaller than 3 and can run in a single-machine double-stage compression manner under the running condition with the pressure ratio larger than 3; the volume of the compressor and the low and high pressure stage volume ratio can be regulated and controlled, responses are rapid under variable working conditions, and the application range is wide; and gas entering the compressor directly cools motors, and the running reliability is high.
Description
Technical field
The invention belongs to compressor field, relate to be a kind of vortex-rotary multistage capacitance-variable capacity compressor, particularly relate to
And a kind of can be according to running environment running mode switching the compressor changing working capacity.
Background technology
For reducing environmental pollution further, air source heat pump is widely used in China.For expanding the suitable of air source heat pump
The low-temperature heating performance of air source heat pump is increasingly paid close attention to scope, refrigerating and air conditioning industry and relevant scholar.At cold district
In winter, along with the reduction of outside air temperature, in system, the compression ratio of compressor will increase, and refrigerant flow reduces, delivery temperature liter
High.Now, the compressor for the conventional air source heat pump of work normal under cooling in summer operating mode can not meet the winter well
Season heating operation demand.
Chinese utility model patent application number 201220436120.2, discloses entitled: double-cylinder variable-capacity compressor, and it is
A kind of variable-displacement compressor, is provided with plunger hole on the upper cylinder or lower cylinder of compressor, this plunger hole and cylinder
Admission line connects, and arranges the removable plunger controlled by external air source air pressure in plunger hole, can open when plunger moves
Or closedown admission line, when plunger is opened, compressor is twin-tub operational mode, and during closedown, compressor is single cylinder operational mode.This
Plant compressor and by the capacity of plunger motion regulation compressor, but can only have the translative mode of two fixed capacities, it is impossible to be real
Now accurately regulate compressor operating capacity according to the change of environment temperature.Meanwhile, the conversion of this compressor operating pattern is by outside
The control of source of the gas air pressure, often causes cylinder internal gas pressure to fluctuate, and plunger motion can cause the vibration of compressor, occurs running
The problems such as instability.
Chinese utility model patent application number CN201220417370.1, disclose a kind of can the twin-tub pressure exchanged of single twin-stage
Contracting machine, it be a kind of can the rotary double cylinder compressor of single double stage conversion, can be according to operating condition condition, Transpression machine runs
Pattern, but, because two air cylinder structure parameters are fixed, though application converter technique regulation compressor capacity, but at Two-stage Compression
Under operational mode, can not realize according to operating condition condition, the low hiigh pressure stage cylinder ratio of compressor being adjusted.
Summary of the invention
Present invention aim at solving the fixed capacity switching that existing compressor exists, operational mode conversion is unstable,
And converter technique can not regulate the technical deficiencies such as compressor compresses cell capability ratio, it is achieved have single twin-stage operational mode, and
According to operating condition condition, the capacity of compression unit and Capacity Ratio modulated scroll-rotary multistage capacitance-variable capacity compressor.
For achieving the above object, the technical scheme is that a kind of vortex-rotary multistage capacitance-variable capacity compressor,
It is characterized in that, it comprises casing 1, the adjustable frequency motor 2 being fixed in casing 1, is arranged at the first flat of adjustable frequency motor 2 upper end
Weighing apparatus block 3 and the second balance weight 4 of lower end；Being fixed on the bent axle 5 on adjustable frequency motor 2 rotor, bent axle 5 top is nested with eccentric part 6,
The bearing 7 being nested with on eccentric part 6；Also include low-pressure stage scroll compression unit, hiigh pressure stage rotary compression element, capacity unloader
Structure and subsidiary engine accessory；The structure of described low-pressure stage scroll compression unit is to arrange vortex element air inlet 8, casing on casing 1
Vortex element inlet chamber 9 is set in 1, is provided above bracing frame 10 at the first balance weight 3, bracing frame 10 is equipped with orbiter
11, orbiter 11 is engaged with fixed scroll 12 phase, is provided with scroll plate air inlet between fixed scroll 12 and orbiter 11
13, it is positioned in fixed scroll 12 upper groove and limit assembly 14 is set, be arranged over being fixed on casing 1 being positioned at limit assembly 14
The top silencer cover 15 of wall, is positioned at casing 1 the top and is provided with the exhaust channel changeover module 16 through top silencer cover 15,
Top silencer cover 15 with its above the vortex element discharge chamber 17 that surrounds of casing 1, casing 1 is provided with and vortex element discharge chamber
The 17 vortex element exhaust outlets 18 connected；The structure of described hiigh pressure stage rotary compression element is, the upper silencer cover that bent axle 5 runs through
19, between upper flange 20, upper cylinder 21, lower cylinder 22, lower flange 23, lower silencer cover 24 and upper cylinder 21 and lower cylinder 22
Space bar 25, upper cylinder 21 is built-in with the first rolling-rotor 26, and lower cylinder 22 is built-in with the second rolling-rotor 27, upper flange 20,
Upper cylinder 21, central dividing plate 25, lower cylinder 22 and lower flange 23 are connected by bolt 28, at upper silencer cover 19 and lower silencer cover 24
Between rotary unit discharge chamber 29 is set, the suction muffler of upper cylinder 21 is connected with enterprising tracheae 30, lower cylinder 22 suction muffler with under
Air inlet pipe 31 is connected, and is provided with bottom air inlet 32 and complete machine exhaust outlet 33 on casing 1；The structure of described capacity feel trim actuator
It is to be provided with the upper relief passage 34 being connected with vortex element discharge chamber 17 in casing 1 over top, another in upper relief passage 34
One end is provided with connected PWM magnetic valve 35, and PWM magnetic valve 35 is internal has a control slide block 36, PWM magnetic valve 35 outlet with under unload
Carry passage 37 to be connected, casing 1 is provided with the feel trim actuator gas returning port 38 being connected with lower relief passage 37；Described subsidiary engine accessory bag
Include the gas-liquid separator 39 being fixed on outside casing 1 sidewall；Gas-liquid separator vortex element communicating pipe 40 and vortex element air inlet 8
Be connected, lower inlet duct 31, enterprising tracheae 30 all by second three-way connection the 43, first three-way connection the 42, first check valve 52 and
The gas-liquid separator rotary unit communicating pipe 41 being placed in gas-liquid separator 39 connects, and has at gas-liquid separator 39 sidewall extenal fixation
Inter-stage mixing chamber 44；Inter-stage mixing chamber second exhaust pipe 46 is connected by second magnetic valve the 51, first three-way connection the 42, the 2nd 3
43 connect with lower inlet duct 31, enterprising tracheae 30 respectively, inter-stage mixing chamber downtake pipe 45 by the second check valve 53 with
Bottom air inlet 32 connects, and inter-stage mixing chamber vortex element communicating pipe 47 connects with vortex element exhaust outlet 18, inter-stage mixing chamber
Gas supplementing opening 48 is connected with blowdown pipe 49 by the first magnetic valve 50.
The invention has the beneficial effects as follows: relative to existing compressor, vortex-rotary multistage capacitance-variable that the present invention proposes
Capacity compressor, is coordinated with magnetic valve, check valve by low-pressure stage scroll compression unit and hiigh pressure stage rotary compression element, reaches to cut
Change the effect running path, single-stage and two kinds of operational modes of Two-stage Compression can be realized.Carry out under the pressure ratio operating condition less than 3
Single stage compress parallel running, carries out Two-stage Compression cooperation under the pressure ratio operating condition more than 3.Low-pressure stage scroll compression list
The Capacity Ratio of unit and the capacity of hiigh pressure stage rotary compression element and two compression units is unloaded by variable-frequency electric unit frequency and capacity
Mechanism's regulation controls；This volume controlled regulative mode can meet under the conditions of different operating conditions, and compressor set is with beutiful face
Amount and Capacity Ratio carry out the requirement of efficient energy-saving operation.Meanwhile, this compressor set is provided with inter-stage tonifying Qi pipeline outside casing,
This pipeline is connected with inter-stage mixing chamber；When twin-stage operational mode, this inter-stage tonifying Qi pipeline can realize Gas-supplying enthalpy-increasing effect, improves
Compressor operation conditions, improves compressor heating capacity.Additionally, this compressor air inlet directly cooled machine, effectively reduce
Motor running temperature, operational reliability is high.Therefore, the compressor of the present invention, for Household Air-source Heat Pump in Cold Regions, has the biggest
Popularization and application space and energy-saving significance.
Accompanying drawing explanation
Fig. 1 is that the vortex-rotary multistage capacitance-variable capacity compressor low-pressure stage scroll compression unit loads pattern of the present invention is shown
It is intended to；
Fig. 2 is the vortex-rotary multistage capacitance-variable capacity compressor low-pressure stage scroll compression unit unloading mode schematic diagram of the present invention.
Wherein, 1 casing, 2 adjustable frequency motors, 3 first balance weights, 4 second balance weights, 5 bent axles, 6 eccentric parts, 7 bearings, 8
Vortex element air inlet, 9 vortex element inlet chambers, 10 bracing frames, 11 orbiters, 12 fixed scrolls, 13 scroll plate air inlets,
14 limit assemblies, 15 top silencer covers, 16 exhaust channel changeover modules, 17 vortex element discharge chambers, 18 vortex element exhaust outlets,
Silencer cover, 20 upper flanges, 21 upper cylinders, 22 lower cylinders, 23 lower flanges, 24 times silencer covers, 25 central dividing plates, 26 first rollings on 19
Dynamic rotor, 27 second rolling-rotors, 28 bolts, 29 rotary unit discharge chambers, 30 enterprising tracheaes, 31 lower inlet ducts, enter bottom 32
Gas port, 33 complete machine exhaust outlets, relief passage on 34,35 PWM magnetic valves, 36 control slide block, 37 times relief passages, 38 unloaders
Structure gas returning port, 39 gas-liquid separators, 40 gas-liquid separator vortex element communicating pipes, 41 gas-liquid separator rotary unit communicating pipes,
42 first three-way connections, 43 second three-way connections, 44 inter-stage mixing chambers, 45 inter-stage mixing chamber downtake pipes, 46 inter-stage mixing
Room second exhaust pipe, 47 inter-stage mixing chamber vortex element communicating pipes, 48 inter-stage mixing chamber gas supplementing openings, 49 blowdown pipes, 50 first electricity
Magnet valve, 51 second magnetic valves, 52 first check valves, 53 second check valves.
Detailed description of the invention
Technical scheme in the embodiment of the present invention will be clearly and completely described below.
As it is shown in figure 1, a kind of vortex of the present invention-rotary multistage capacitance-variable capacity compressor, it comprises casing 1, is fixed on
Adjustable frequency motor 2 in casing 1, is arranged at the first balance weight 3 of adjustable frequency motor 2 upper end and the second balance weight 4 of lower end；Gu
Bent axle 5 on adjustable frequency motor 2 rotor, bent axle 5 top is nested with eccentric part 6, the bearing 7 being nested with on eccentric part 6；Also wrap
Include low-pressure stage scroll compression unit, hiigh pressure stage rotary compression element, capacity feel trim actuator and subsidiary engine accessory；Described low-pressure stage vortex
The structure of compression unit is, arranges vortex element air inlet 8, arrange vortex element inlet chamber 9 in casing 1 on casing 1,
One balance weight 3 is provided above bracing frame 10, and bracing frame 10 is equipped with orbiter 11, and orbiter 11 is stung with fixed scroll 12 phase
Close, between fixed scroll 12 and orbiter 11, be provided with scroll plate air inlet 13, be positioned in fixed scroll 12 upper groove setting
Limit assembly 14, is being positioned at limit assembly 14 and is arranged over being fixed on the top silencer cover 15 of casing 1, is positioned at casing 1 and goes up most
Side is provided with the exhaust channel changeover module 16 through top silencer cover 15, top silencer cover 15 with its above casing 1 surround
Vortex element discharge chamber 17, is provided with the vortex element exhaust outlet 18 being connected with vortex element discharge chamber 17 on casing 1；Described height
The structure of rotary compression element of arbitrarily downgrading is, upper silencer cover 19 that bent axle 5 runs through, upper flange 20, upper cylinder 21, lower cylinder 22, under
Central dividing plate 25 between flange 23, lower silencer cover 24 and upper cylinder 21 and lower cylinder 22, upper cylinder 21 is built-in with the first rolling
Rotor 26, lower cylinder 22 is built-in with the second rolling-rotor 27, upper flange 20, upper cylinder 21, central dividing plate 25, lower cylinder 22 and under
Flange 23 is connected by bolt 28, arranges rotary unit discharge chamber 29, upper cylinder between upper silencer cover 19 and lower silencer cover 24
The suction muffler of 21 is connected with enterprising tracheae 30, and lower cylinder 22 suction muffler is connected with lower inlet duct 31, is provided with bottom and enters on casing 1
Gas port 32 and complete machine exhaust outlet 33；The structure of described capacity feel trim actuator is, is provided with in casing 1 over top and arranges with vortex element
The upper relief passage 34 that air cavity 17 is connected, the other end in upper relief passage 34 is provided with connected PWM magnetic valve 35, PWM electromagnetism
Valve 35 is internal has control slide block 36, and PWM magnetic valve 35 exports and is connected with lower relief passage 37, casing 1 is provided with under unload
Carry the feel trim actuator gas returning port 38 that passage 37 is connected；Described subsidiary engine accessory includes the gas-liquid separator being fixed on outside casing 1 sidewall
39；Gas-liquid separator vortex element communicating pipe 40 is connected with vortex element air inlet 8, and lower inlet duct 31, enterprising tracheae 30 are the most logical
Cross second three-way connection the 43, first three-way connection the 42, first check valve 52 and the gas-liquid separator being placed in gas-liquid separator 39
Rotary unit communicating pipe 41 connects, and has inter-stage mixing chamber 44 at gas-liquid separator 39 sidewall extenal fixation；Inter-stage mixing chamber second row
Tracheae 46 by second magnetic valve the 51, first three-way connection the 42, second three-way connection 43 respectively with lower inlet duct 31, enterprising tracheae
30 connections, inter-stage mixing chamber downtake pipe 45 is connected with bottom air inlet 32 by the second check valve 53, inter-stage mixing chamber whirlpool
Rotation connects with vortex element exhaust outlet 18 unit communicating pipe 47, and inter-stage mixing chamber gas supplementing opening 48 is by the first magnetic valve 50 and tonifying Qi
Pipe 49 connects.
It is internal that described adjustable frequency motor 2 is positioned at vortex element inlet chamber 9；Hiigh pressure stage rotary compression element is positioned at casing 1 chamber
The bottom of internal low-pressure stage scroll compression unit.
Described low-pressure stage scroll compression unit and hiigh pressure stage rotary compression element, by by the first magnetic valve 50, second
The opening and closing of magnetic valve 51 and coordinate composition single stage compress parallel running or twin-stage pressure with first check valve the 52, second check valve 53
Contracting cooperation.
Described low-pressure stage scroll compression unit and the capacity of hiigh pressure stage rotary compression element and the capacity of two compression units
Controlling than being regulated by adjustable frequency motor 2 frequency and capacity feel trim actuator, adjustable frequency motor 2 frequency determines low-pressure stage scroll compression list
Unit and the basic capacity of hiigh pressure stage rotary compression element, capacity feel trim actuator determines low-pressure stage scroll compression by controlling discharge time
The termination capacity of contracting unit, and then determine the Capacity Ratio of two compression units.
Described gas-liquid separator vortex element communicating pipe 40 constitutes gas-liquid separator and low-pressure stage with vortex element air inlet 8
Scroll compression unit connecting path；Gas-liquid separator rotary unit communicating pipe the 41, first check valve 52 and the first three-way connection 42,
Second three-way connection 43 constitutes gas-liquid separator and hiigh pressure stage rotary compression element connecting path.
Described inter-stage mixing chamber vortex element communicating pipe 47 constitutes inter-stage mixing chamber and low pressure with vortex element exhaust outlet 18
Level scroll compression unit connecting path；Inter-stage mixing chamber downtake pipe the 45, second check valve 53 and bottom air inlet 32 are constituted
Inter-stage mixing chamber and rotary unit discharge chamber connecting path；Inter-stage mixing chamber second exhaust pipe 46 by the second magnetic valve 51, the
One three-way connection the 42, second three-way connection 43 connects composition inter-stage mixing chamber respectively with high with lower inlet duct 31, enterprising tracheae 30
Arbitrarily downgrade rotary compression element connecting path；Inter-stage mixing chamber gas supplementing opening 48 connects composition by the first magnetic valve 50 with blowdown pipe 49
Inter-stage tonifying Qi path.
Described vortex element air inlet 8 is arranged on the casing 1 between adjustable frequency motor 2 and upper silencer cover 19, with gas-liquid
Separator vortex element communicating pipe 40 is connected；Complete machine exhaust outlet 33 is arranged at the casing between silencer cover 19 and upper flange 20
On 1.
As it is shown in figure 1, the vortex of the present invention-rotary multistage capacitance-variable capacity compressor low-pressure stage scroll compression unit is in negative
During load pattern, compressor fixed scroll 12 and exhaust channel changeover module 16 are in position in figure, and PWM magnetic valve 35 is in cut out
State, the control slide block 36 in valve is in position in figure, and upper relief passage 34 does not connects with lower relief passage 37, now upper unloading
Working medium in passage 34 is in high pressure conditions, and the working medium in lower relief passage 37 is in low-pressure state, the first magnetic valve 50, second
Magnetic valve 51 is closed.
A part of working medium in gas-liquid separator 39 is through gas-liquid separator vortex element communicating pipe 40, vortex element air inlet
8 enter in vortex element inlet chamber 9, then enter in the middle of orbiter 11 and fixed scroll 12 through scroll plate air inlet 13,
Enter in vortex element discharge chamber 17, in vortex element discharge chamber 17 by exhaust channel changeover module 16 after scroll compression
Working medium enter in inter-stage mixing chamber 44 through vortex element exhaust outlet 18, inter-stage mixing chamber vortex element communicating pipe 47, then through level
Between mixing chamber downtake pipe 45, the second check valve 53, bottom air inlet 32 enters in rotary unit discharge chamber 29.
Another part working medium in gas-liquid separator 39 is through gas-liquid separator rotary unit communicating pipe 41, the second check valve
51, it is divided into two-way after first three-way connection the 42, second three-way connection 43, a road enters in upper cylinder 21 through enterprising tracheae 30,
Another road, in lower inlet duct 31 enters into lower cylinder 22, enters into after the working medium rotated compression unit compression in upper and lower air cylinders
In rotary unit discharge chamber 29, and enter into from bottom air inlet 32 after the working medium in rotary unit discharge chamber 29 mixes by whole
Machine exhaust outlet 33 was discharged in compressor and condenser communicating pipe, and now this compressor realizes low-pressure stage scroll compression unit, high pressure
Level rotary compression element single stage compress parallel running.
As it is shown in figure 1, first magnetic valve the 50, second magnetic valve 51 is in opening, due to the first check valve 52, second
Check valve 53 outlet side pressure is higher than inlet side pressure, does not has working medium to circulate in first check valve the 52, second check valve 53.
Working medium in gas-liquid separator 39 is through gas-liquid separator vortex element communicating pipe 40, and vortex element air inlet 8 enters
In vortex element inlet chamber 9, then enter in the middle of orbiter 11 and fixed scroll 12 through scroll plate air inlet 13, through vortex
The working medium in vortex element discharge chamber 17, in vortex element discharge chamber 17 is entered into by exhaust channel changeover module 16 after compression
Through vortex element exhaust outlet 18, inter-stage mixing chamber vortex element communicating pipe 47 enters in inter-stage mixing chamber 44, and from gas supplementing opening 48
After entering the working medium mixing in inter-stage mixing chamber 44, inter-stage mixing chamber second exhaust pipe 46, the second magnetic valve the 51, the 1st connects
Being divided into two-way after the 42, second three-way connection 43, a road enters in upper cylinder 21 through enterprising tracheae 30, and another road is through lower air inlet
Pipe 31 enters in lower cylinder 22, enters into rotary unit discharge chamber after the working medium rotated compression unit compression in upper and lower air cylinders
In 29, being discharged in compressor and condenser communicating pipe finally by complete machine exhaust outlet 33, now this compressor realizes low-pressure stage whirlpool
Rotation compression unit, hiigh pressure stage rotary compression element Two-stage Compression cooperation.
As in figure 2 it is shown, the vortex of the present invention-rotary multistage capacitance-variable capacity compressor low-pressure stage scroll compression unit is in and unloads
During load pattern, compressor fixed scroll 12 and exhaust channel control assembly 16 and are moved up 1mm by the position of load model, are in
Position in figure, PWM magnetic valve 35 is in opening, and the slide block 36 that controls in valve is moved up 5mm by the position in Fig. 1, place
Position in Fig. 2, upper relief passage 34 connects with lower relief passage 37, and low-pressure stage scroll compression unit enters unloaded state, this
Time on, the working medium in relief passage 34 and the working medium in lower relief passage 37 are all in low-pressure state.
Gas-liquid separator 39, the duty of inter-stage mixing chamber 44 and each parts of hiigh pressure stage rotary compression element such as loads mould
Described in formula.
Working medium in vortex element inlet chamber 9 is in scroll plate air inlet 13 enters into orbiter 11 and fixed scroll 12
Between, entered in upper relief passage 34 by exhaust channel changeover module 16 after scroll compression, then through PWM magnetic valve 35, under
Relief passage 37, feel trim actuator gas returning port 38 enter in vortex element inlet chamber 9 with from the working medium of vortex element air inlet 8
After mixing the most to be compressed.
The foregoing is only embodiment of the present invention, not thereby limit the scope of the claims of the present invention, every utilization
Any basic structure and the alteration of form of connected mode or part replacement of being not related to that description of the invention content is made, directly
Connect or be indirectly used in other relevant technical fields, be the most in like manner included in the scope of patent protection of the present invention.
Claims (7)
1. vortex-rotary multistage capacitance-variable capacity compressor, is characterized in that, it comprises casing (1), is fixed in casing (1)
Adjustable frequency motor (2), be arranged at first balance weight (3) of adjustable frequency motor (2) upper end and second balance weight (4) of lower end；
The bent axle (5) being fixed on adjustable frequency motor (2) rotor, bent axle (5) top is nested with eccentric part (6), is nested with on eccentric part (6)
Bearing (7)；Also include low-pressure stage scroll compression unit, hiigh pressure stage rotary compression element, capacity feel trim actuator and subsidiary engine accessory；
The structure of described low-pressure stage scroll compression unit is, arranges vortex element air inlet (8) on casing (1), arranges in casing (1)
Vortex element inlet chamber (9), is provided above bracing frame (10) at the first balance weight (3), and bracing frame is equipped with orbiter on (10)
(11), orbiter (11) is engaged mutually with fixed scroll (12), is provided with whirlpool between fixed scroll (12) and orbiter (11)
Capstan air inlet (13), is positioned in fixed scroll (12) upper groove and arranges limit assembly (14), is being positioned on limit assembly (14)
Side is provided with the top silencer cover (15) being fixed on casing (1) inwall, is positioned at casing (1) the top and is provided with through top noise reduction
The exhaust channel changeover module (16) of cover (15), top silencer cover (15) and the vortex element exhaust that above it, casing (1) surrounds
Chamber (17), is provided with the vortex element exhaust outlet (18) being connected with vortex element discharge chamber (17) on casing (1)；Described hiigh pressure stage
The structure of rotary compression element is, upper silencer cover (19) that bent axle (5) runs through, upper flange (20), upper cylinder (21), lower cylinder
(22) central dividing plate (25), between lower flange (23), lower silencer cover (24) and upper cylinder (21) and lower cylinder (22), upper cylinder
(21) being built-in with the first rolling-rotor (26), lower cylinder (22) is built-in with the second rolling-rotor (27), upper flange (20), upper cylinder
(21), central dividing plate (25), lower cylinder (22) and lower flange (23) be connected by bolt (28), upper silencer cover (19) with under disappear
Arranging rotary unit discharge chamber (29) between sound cover (24), the suction muffler of upper cylinder (21) is connected with enterprising tracheae (30), lower gas
Cylinder (22) suction muffler is connected with lower inlet duct (31), is provided with bottom air inlet (32) and complete machine exhaust outlet (33) on casing (1)；
The structure of described capacity feel trim actuator is, casing (1) over top be provided be connected with vortex element discharge chamber (17) on unload
Carrying passage (34), the other end in upper relief passage (34) is provided with connected PWM magnetic valve (35), and PWM magnetic valve (35) is internal
Having a control slide block (36), PWM magnetic valve (35) outlet is connected with lower relief passage (37), casing (1) is provided with under unload
Carry the feel trim actuator gas returning port (38) that passage (37) is connected；Described subsidiary engine accessory includes the gas-liquid being fixed on outside casing (1) sidewall
Separator (39)；Gas-liquid separator vortex element communicating pipe (40) is connected with vortex element air inlet (8), lower inlet duct (31),
Enterprising tracheae (30) is all by the second three-way connection (43), the first three-way connection (42), the first check valve (52) and be placed in gas-liquid
Gas-liquid separator rotary unit communicating pipe (41) connection in separator (39), has level at gas-liquid separator (39) sidewall extenal fixation
Between mixing chamber (44)；Inter-stage mixing chamber second exhaust pipe (46) by the second magnetic valve (51), the first three-way connection (42), second
Three-way connection (43) connects with lower inlet duct (31), enterprising tracheae (30) respectively, and inter-stage mixing chamber downtake pipe (45) passes through
Second check valve (53) connects with bottom air inlet (32), and inter-stage mixing chamber vortex element communicating pipe (47) is vented with vortex element
Mouth (18) connection, inter-stage mixing chamber gas supplementing opening (48) is connected with blowdown pipe (49) by the first magnetic valve (50).
2., according to the vortex described in claim 1-rotary multistage capacitance-variable capacity compressor, it is characterized in that, described adjustable frequency motor
(2) vortex element inlet chamber (9) it is positioned at internal；Hiigh pressure stage rotary compression element is positioned at the low-pressure stage vortex of casing (1) cavity
The bottom of compression unit.
3. according to the vortex described in claim 1-rotary multistage capacitance-variable capacity compressor, it is characterized in that, described low-pressure stage vortex
Compression unit and hiigh pressure stage rotary compression element, by by the first magnetic valve (50), the opening and closing of the second magnetic valve (51) and with
First check valve (52), the second check valve (53) coordinate composition single stage compress parallel running or Two-stage Compression cooperation.
4. according to the vortex described in claim 1-rotary multistage capacitance-variable capacity compressor, it is characterized in that, described low-pressure stage vortex
The Capacity Ratio of compression unit and the capacity of hiigh pressure stage rotary compression element and two compression units by adjustable frequency motor (2) frequency and
The regulation of capacity feel trim actuator controls, and adjustable frequency motor (2) frequency determines low-pressure stage scroll compression unit and hiigh pressure stage rotary compression
The basic capacity of unit, capacity feel trim actuator determines the termination capacity of low-pressure stage scroll compression unit by controlling discharge time,
And then determine the Capacity Ratio of two compression units.
5., according to the vortex described in claim 1-rotary multistage capacitance-variable capacity compressor, it is characterized in that, described gas-liquid separator
Vortex element communicating pipe (40) constitute gas-liquid separator with vortex element air inlet (8) and be connected with low-pressure stage scroll compression unit logical
Road；Gas-liquid separator rotary unit communicating pipe (41), the first check valve (52) and the first three-way connection (42), the second three-way connection
(43) gas-liquid separator and hiigh pressure stage rotary compression element connecting path are constituted.
6. according to the vortex described in claim 1-rotary multistage capacitance-variable capacity compressor, it is characterized in that, described inter-stage mixing chamber
Vortex element communicating pipe (47) constitute inter-stage mixing chamber with vortex element exhaust outlet (18) to be connected with low-pressure stage scroll compression unit
Path；Inter-stage mixing chamber downtake pipe (45), the second check valve (53) and bottom air inlet (32) constitute inter-stage mixing chamber with
Rotary unit discharge chamber connecting path；Inter-stage mixing chamber second exhaust pipe (46) by the second magnetic valve (51), the one or three connect
Head (42), the second three-way connection (43) connect composition inter-stage mixing chamber respectively with high with lower inlet duct (31), enterprising tracheae (30)
Arbitrarily downgrade rotary compression element connecting path；Inter-stage mixing chamber gas supplementing opening (48) is by the first magnetic valve (50) with blowdown pipe (49) even
Logical composition inter-stage tonifying Qi path.
7. according to the vortex described in claim 1-rotary multistage capacitance-variable capacity compressor, it is characterized in that, described vortex element enters
Gas port (8) is arranged on the casing (1) between adjustable frequency motor (2) and upper silencer cover (19), with gas-liquid separator vortex element
Communicating pipe (40) is connected；Complete machine exhaust outlet (33) is arranged on the casing (1) between silencer cover (19) and upper flange (20).
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| CN201610281137.8A CN105927540B (en) | 2016-05-02 | 2016-05-02 | Be vortexed rotary multistage capacitance-variable capacity compressor |
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| CN201610281137.8A CN105927540B (en) | 2016-05-02 | 2016-05-02 | Be vortexed rotary multistage capacitance-variable capacity compressor |
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| CN105927540B CN105927540B (en) | 2018-02-23 |
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| CN110439808A (en) * | 2019-08-30 | 2019-11-12 | 浙江正理生能科技有限公司 | A kind of rotor and the coupling compressor that is vortexed |
| CN110701816A (en) * | 2019-10-11 | 2020-01-17 | 珠海格力电器股份有限公司 | Electric appliance system and control method and control device thereof |
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| CN113250963A (en) * | 2020-02-13 | 2021-08-13 | 安徽美芝精密制造有限公司 | Compressor and refrigeration equipment |
| US11131491B1 (en) | 2020-08-07 | 2021-09-28 | Emerson Climate Technologies, Inc. | Systems and methods for multi-stage operation of a compressor |
| WO2022203261A1 (en) * | 2021-03-25 | 2022-09-29 | 한온시스템 주식회사 | Scroll compressor and vehicle air conditioner comprising same |
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| CN105927540B (en) | 2018-02-23 |
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