CN110374876A - Dual temperature independent compressor and air-conditioning system parallel - Google Patents
Dual temperature independent compressor and air-conditioning system parallel Download PDFInfo
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- CN110374876A CN110374876A CN201910726793.8A CN201910726793A CN110374876A CN 110374876 A CN110374876 A CN 110374876A CN 201910726793 A CN201910726793 A CN 201910726793A CN 110374876 A CN110374876 A CN 110374876A
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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
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/02—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids specially adapted for several pumps connected in series or in parallel
-
- 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
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B31/00—Compressor arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
- F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
-
- 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
- F04C2240/00—Components
- F04C2240/80—Other components
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention discloses dual temperature independent compressor and air-conditioning systems parallel, compressor includes: shell, the first cylinder, the second cylinder and the parallel cylinder being set in the housing, separate the middle partition between the first cylinder and the second cylinder, the gas vent of the gas vent of first cylinder and parallel cylinder is connected to the inner cavity of shell, middle partition is equipped with the gas vent of the second cylinder of connection and the exhaust passage of housing cavity, middle partition is additionally provided with the interface channel of connection the first cylinder and the second cylinder, and exhaust passage and interface channel are equipped with the switching device for controlling its switch state；The suction hole of first cylinder, the second cylinder and parallel cylinder, which is respectively independently connected, dispenser, and the air inlet pipe of each dispenser is provided with the switch valve for adjusting air-suction state.Compressor of the invention has multiple functions, realizes the control of different modes to air-conditioning system for Various Seasonal and environment, can not only save cost, but also can be obviously improved the heating performance of air-conditioning system.
Description
Technical field
The present invention relates to Compressor Technology field more particularly to dual temperature independent compressor and air-conditioning systems parallel.
Background technique
Three cylinder compressors are one kind relatively conventional in multicylinder compressor, and existing three cylinder compressor is using a cylinder transfiguration, double
Grade increasing enthalpy structure, such as notification number is the utility model patent of CN208651158U, adds a transfiguration by two two-stage double-cylinders
Cylinder composition, it will be appreciated that it has connected the lesser transfiguration cylinder of a volume for a double-cylinder structure, the sizes such as twin-tub twin-stage is
Cylinder, similar to conventional twin-tub double-stage compressor, having enthalpy-increasing function, (the tonifying Qi mode of conventional Dual-level enthalpy adding compressor is logical
Cross partition or flange open up gas supplementing opening, by cylinder entrained gas achieve the effect that Gas-supplying enthalpy-increasing), pass through adjust transfiguration
Pressure at the transfiguration control mouth of cylinder may make transfiguration cylinder start-stop, to realize the switching of twin-tub, three cylinders to complete to compress
The function of machine.
The housing structure of existing three cylinder compressor is complicated, causes compressor at high cost, and there is very serious vibration problem,
The start-stop of its transfiguration cylinder can not flexibly switch, and in low temperature and low frequency operation, low-load performance advantage is little, causes among APF(
Refrigeration) it is not high enough, heating performance is poor.In addition, the air-conditioning system where three cylinder compressors is at runtime, cooling refrigeration and remove
It is wet to be completed in a system, cause the heat exchange efficiency of evaporator low, air-conditioning system is caused to be unable to satisfy region to the north of the Yangtze river basin
Refrigeration and dehumidifying heating needs, to its efficiency and after sale experience have serious hidden danger.
Therefore, how to design the compressor of handoff functionality and air-conditioning system to be flexibly that industry technology urgently to be resolved is asked
Topic.
Summary of the invention
It cannot achieve the power and energy of cylinder independent compression, multi-stage compression to solve existing multicylinder compressor, cause to press
The defect of contracting machine performance difference, the present invention propose dual temperature independent compressor and air-conditioning system parallel.
The technical solution adopted by the present invention is that designing dual temperature independent compressor parallel, comprising: shell is set in the housing
The first cylinder, the second cylinder and parallel cylinder, separate middle partition between the first cylinder and the second cylinder, the first cylinder
The gas vent of gas vent and parallel cylinder is connected to the inner cavity of shell, middle partition be equipped with connection the second cylinder gas vent and
The exhaust passage of housing cavity, middle partition are additionally provided with the interface channel of connection the first cylinder and the second cylinder, exhaust passage and company
It connects road and is equipped with the switching device for controlling its switch state；The suction hole of first cylinder, the second cylinder and parallel cylinder is respectively only
Vertical to be connected with dispenser, the air inlet pipe of each dispenser is provided with the switch valve for adjusting air-suction state.
Preferably, the dispenser that the first cylinder is connected is the first dispenser, is provided in the air inlet pipe of the first dispenser
First switch valve；The dispenser that second cylinder is connected is the second dispenser, is provided with second in the air inlet pipe of the second dispenser
Switch valve；Intermediate tube is connected between the import of first switch valve and the import of second switch valve, intermediate tube is equipped with control switch
Valve.
Preferably, its inner cavity is separated into the first intermediate cavity being connected to the first cylinder and with second when interface channel is closed
Second intermediate cavity of cylinder connection；Interface channel is only capable of being beaten when the pressure of the second intermediate cavity is greater than the pressure of the first intermediate cavity
It opens.
Preferably, switching device includes: that the first plectrum, the first plectrum of promotion in an exhaust gas is stopped to move to open
Or it closes the first control piece of exhaust passage, the second plectrum being blocked in interface channel, the second plectrum pushed to move to open
Or close the second control piece of interface channel.
Preferably, the first cylinder, the second cylinder and parallel cylinder are from top to bottom arranged successively in the housing.
Preferably, the cylinder body volume of the first cylinder is V1, and the cylinder body volume of the second cylinder is V2,Range be 0.4 ~
0.9。
Preferably, the cylinder body volume of the first cylinder is V1, and the cylinder body volume of the second cylinder is V2, and the cylinder body of parallel cylinder holds
Product is V3,Range be 0.1 ~ 0.4.
Preferably, the cylinder body volume of the first cylinder is V1, and the cylinder body volume of the second cylinder is V2, and the cylinder body of parallel cylinder holds
Product is V3,Range be 0.105 ~ 0.725.
The invention also discloses air-conditioning systems comprising above-mentioned compressor.
Preferably, air-conditioning system further include: there are three the flash vessel of interface, the first evaporator, the second evaporations for condenser, tool
There are four the four-way valves of port for device and tool；The first port of the exhaust outlet connection four-way valve of compressor；One end of condenser connects
The second port of four-way valve, the other end connect the first interface of flash vessel；The second of one end connection flash vessel of first evaporator
The third port of interface, other end connection four-way valve；One end of second evaporator connects the second interface of flash vessel, the other end simultaneously
Connection is provided with the first branch and second branch, and the first branch connects in the air inlet pipe for the dispenser that the first cylinder is connected, and second
The exhaust outlet of branch series connection third switch valve connect compressor；4th port of four-way valve connects the liquid separation connected in the second cylinder
In the air inlet pipe of device；The third interface of flash vessel connects in the air inlet pipe for the dispenser that parallel cylinder is connected.
Compared with prior art, the present invention retains the double-cylinder structure of two-stage enthalpy increasing in conventional three cylinder compressors, the first cylinder
With the second cylinder can independent compression or Two-stage Compression, which can individually compress and tonifying Qi, within the compressor in addition setting
One parallel cylinder, the suction hole of each cylinder are respectively independently connected dispenser, and switch valve is arranged in the air inlet pipe of dispenser, pass through
Switch valve controls the working condition for the cylinder that it is connected, to realize the parallel independence of single cylinder, twin-tub dual temperature, twin-tub twin-stage, double
The functions such as the parallel independence of cylinder transfiguration and the parallel independence of three cylinder dual temperatures, three cylinder twin-stages, three cylinders, can according to need flexible modulation pressure
The loss energy consumption of compressor is effectively reduced in the working condition of contracting machine, and improvement vibration of compressor is big, air-conditioning system where promoting compressor
The efficiency of system.
Detailed description of the invention
Below with reference to embodiment and attached drawing, the present invention is described in detail, in which:
Fig. 1 is the schematic diagram of internal structure of compressor in the present invention；
Fig. 2 is the structural schematic diagram of middle partition in the present invention；
Fig. 3 is the overall structure diagram of compressor in the present invention；
Fig. 4 is that the refrigerant of air-conditioning system under summer refrigeration mode in the present invention flows to schematic diagram；
Fig. 5 is that the refrigerant of air-conditioning system under plum rains season dehumidification mode in the present invention flows to schematic diagram；
Fig. 6 is that the refrigerant of air-conditioning system under severe cold heating mode in the present invention flows to schematic diagram.
Specific embodiment
As shown in Figures 1 to 3, compressor proposed by the present invention includes: shell, the first cylinder 1 and second being set in the housing
Cylinder 2, the parallel cylinder 3 of independent compression and tonifying Qi is additionally provided in shell, and independent compression and tonifying Qi herein refers to parallel cylinder 3
With independent working chamber and gas vent, the air-breathing compression and exhaust of working chamber be not by the first cylinder 1, the shadow of the second cylinder 2
It rings, the gas that parallel cylinder 3 is discharged enters in shell to play the role of tonifying Qi.
In a preferred embodiment, the first cylinder 1, the second cylinder 2 and parallel cylinder 3 are from top to bottom sequentially arranged in shell
In, the first cylinder 1 is high-pressure cylinder, and the second cylinder 2 is low-pressure cylinder, the exhaust of the gas vent and parallel cylinder 3 of the first cylinder 1
The inner cavity of Kong Junyu shell is connected to, and middle partition 20 is equipped between the first cylinder 1 and the second cylinder 2, and middle partition 20 is equipped with exhaust
Channel 21, one end of exhaust passage 21 are connected to the inner cavity of the gas vent of the second cylinder 2, other end connection shell, and middle partition 20 is also
Interface channel 22 equipped with connection the first cylinder 1 and the second cylinder 2, exhaust passage 21 and interface channel 22 are equipped with control, and it is opened
The switching device of off status.For normal, exhaust passage 21 and interface channel 22 cannot be opened simultaneously, when exhaust passage 21 is opened
Interface channel 22 is in closed state, and the gas in the second cylinder 2 is directly entered in shell by exhaust passage 21 at this time, the first gas
Cylinder 1 and the second cylinder 2 independently compress, and exhaust passage 21 is in closed state when interface channel 22 is opened, at this time the second cylinder 2
Interior gas is entered in the first cylinder 1 by interface channel 22,2 Two-stage Compression of the first cylinder 1 and the second cylinder.
The cylinder body volume of first cylinder 1, the second cylinder 2 and parallel cylinder 3 is all different, the cylinder body volume of the first cylinder 1
For V1, the cylinder body volume of the second cylinder 2 is V2, and the cylinder body volume of parallel cylinder 3 is V3,Range be 0.4 ~ 0.9,
Range be 0.1 ~ 0.4, whenRatio between 0.105 ~ 0.725 when, at this time compressor have optimal volume
Than the superfeed pressure of parallel cylinder 3 is optimal pressure value.By the theoretical calculation to three of them cylinder body volume ratio, can confirm
Optimal volumetric ratio is optimal the performance of compressor, utmostly the efficiency of elevating mechanism refrigeration, compresses function being promoted
The problems such as vibration can also be effectively solved while effect.
Specifically, as shown in Fig. 2, the first control that switching device includes: the first plectrum 23, connect with the first plectrum 23
Part 24, the second plectrum 25, the second control piece 26 being connect with the second plectrum 25.The shape and exhaust passage 21 of first plectrum 23 are big
Cause identical, size slightly larger than exhaust passage 21, the first control piece 24 pushes the movement of the first plectrum 23, and the side of exhaust passage 21 is set
Have accommodate the first plectrum 23 stretch out or retract the first mounting groove, the first control piece 24 by the first plectrum 23 from the first mounting groove to
Extrapolated to when protruding into exhaust passage 21, exhaust passage 21 is closed, and the first control piece 24 is logical from exhaust by the first plectrum 23
When being pulled out to the first mounting groove of retraction in road 21, exhaust passage 21 is opened.Likewise, the shape of the second plectrum 25 with connect it is logical
Road 22 is roughly the same, and size is slightly larger than interface channel 22, and the second control piece 26 pushes the movement of the second plectrum 25, interface channel 22
Side, which is equipped with, accommodates the second mounting groove that the second plectrum 25 is stretched out or retracted, and the second control piece 26 pacifies the second plectrum 25 from second
Tankage is pushed outwardly when protruding into interface channel 22, and interface channel 22 is closed, the second control piece 26 by the second plectrum 25 from
When being pulled out to the second mounting groove of retraction in interface channel 22, interface channel 22 is opened.First control piece 24 and the second control piece
26 optional Electromagnetic Control parts, two control pieces are both connected on compressor or the control panel of air-conditioning system, when needing twin-tub
When with the switching of twin-stage, the feedback signal of control panel can be given to the first control piece 24 and the second control piece 26, two control piece roots
According to the plectrum movement that the signal feedback driving of electric current respectively connects, exhaust passage 21 and interface channel 22 is made to switch switch state,
To the gas flow path in Transpression machine.
It should be noted that when the second plectrum 25 is protruded into interface channel 22, by the inner cavity of interface channel 22 be divided into
First intermediate cavity of the first cylinder 1 connection and the second intermediate cavity being connected to the second cylinder 2, interface channel 22 are only capable of in second
Between chamber pressure be greater than the first intermediate cavity pressure when be opened, when guaranteeing Two-stage Compression, gas be only capable of from the second cylinder 2 flow
Enter in the first cylinder 1.
The suction hole of first cylinder 1, the second cylinder 2 and parallel cylinder 3 is respectively independently connected and has dispenser, each dispenser
Air inlet pipe be provided with the switch valve for adjusting air-suction state, the dispenser that the first cylinder 1 is connected is the first dispenser 5, the
The dispenser that two cylinders 2 are connected is the second dispenser 6, and the dispenser of the suction end connection of parallel cylinder 3 is parallel dispenser
7, first switch valve 17 is provided in the air inlet pipe of the first dispenser 5, is provided with second switch in the air inlet pipe of the second dispenser 6
Valve 19 is provided with parallel switch valve 4 in the air inlet pipe of parallel dispenser 7.When parallel switch valve 4 is opened, the independent fortune of parallel cylinder 3
Row work, the gas of working chamber discharge are sent into the gas mixing being discharged in shell with the first cylinder 1, the second cylinder 2；It opens parallel
When closing the closing of valve 4, parallel cylinder 3 is unloaded, and is not involved in refrigerant circulation.The switch of parallel switch valve 4 can be adjusted according to actual needs,
Using flexible and easy to control.Preferably, in being connected between the import of first switch valve 17 and the import of second switch valve 19
Between manage, intermediate tube be equipped with control switch valve 8, control switch valve 8 close when, the first cylinder 1 and the second cylinder 2 individually compress
And tonifying Qi, when control switch valve 8 is connected, the first cylinder 1 and the second cylinder 2 suck the gas with evaporating temperature and are compressed.
It is independent parallel that single cylinder parallel independence, twin-tub dual temperature, twin-tub twin-stage, twin-tub transfiguration may be implemented in compressor of the invention
And three cylinder dual temperatures, three cylinder twin-stages, three cylinders parallel multiple functions, the operation logic such as independent are as follows:
Single cylinder is independent parallel: it closes first switch valve 17 and second switch valve 19, open parallel switch valve 4, the first cylinder 1 and the
Two cylinders 2 do not work, and only parallel cylinder 3 works, i.e. single cylinder mode；
Twin-tub dual temperature: first switch valve 17 and second switch valve 19 are opened, closes parallel switch valve 4, interface channel 22 is closed, beats
Exhaust passage 21 is opened, the first cylinder 1 and the second cylinder 2 respectively work independently, the gas row in the first cylinder 1 and the second cylinder 2
Enter mixing, the cooling in summer dual temperature mode only under twin-tub mode in shell；
Twin-tub twin-stage: first switch valve 17 and second switch valve 19 are opened, closes parallel switch valve 4, interface channel 22 is opened, closes
Exhaust passage 21 is closed, so that the gas of the second cylinder 2 enters the first cylinder 1 after compression and carries out Two-stage Compression, the first cylinder 1
With 2 gas inhalating pressure of the second cylinder dual temperature scheme can also be realized with can be different；
Twin-tub transfiguration is independent parallel: opening first switch valve 17 and parallel switch valve 4, closes second switch valve 19, the first cylinder 1
With the respective independent compression of parallel cylinder 3, the second cylinder 2 does not work, and runs suitable for the heating mode under low frequency low load condition,
It is obviously improved heating capacity；
Three cylinder dual temperatures: first switch valve 17, second switch valve 19 and parallel switch valve 4 are opened, interface channel 22, the row of opening are closed
Gas channel 21, the first cylinder 1 and the second cylinder 2 respectively work independently, and the gas in the first cylinder 1 and the second cylinder 2 is discharged into shell
It mixes in vivo, i.e., opens parallel cylinder under above-mentioned twin-tub dual temperature mode；
Three cylinder twin-stages: first switch valve 17, second switch valve 19 and parallel switch valve 4 are opened, interface channel 22, the row of closing are opened
Gas channel 21, so that the gas of the second cylinder 2 enters the first cylinder 1 after compression and carries out Two-stage Compression, the first cylinder 1 and the
Two cylinders, 2 gas inhalating pressure can open parallel cylinder under that is, above-mentioned twin-tub Bi-level mode with can be different；
Three cylinders are independent parallel: opening first switch valve 17, second switch valve 19 and parallel switch valve 4, close interface channel 22, beat
Exhaust passage 21 is opened, the first cylinder 1, the second cylinder 2 and parallel cylinder 3 respectively work independently, the first cylinder 1,2 and of the second cylinder
Gas in parallel cylinder 3 is discharged into mixing, control switch valve 8 in shell and can open or close according to actual needs, and control is opened
Dual temperature can be realized in the gas that the first dispenser 5 and the second dispenser 6 access different evaporating temperatures when valve 8 is closed by closing, with this
Parallel cylinder 3 is also at autonomous working state simultaneously, realizes three cylinder modes.
As shown in Figs. 4-6, the invention also provides air-conditioning systems comprising double evaporators and above-mentioned compressor.Air-conditioning
Switch valve is equipped in the Part way of system, solenoid valve can be selected in above-mentioned switch valve, by the closed form for changing each switch valve
Gas flow path of the single compressor in air-conditioning system pipeline can be changed in state.Air-conditioning system is mainly for cooling in summer and plum rains
Three kinds of Environment Designs of season dehumidifying and severe cold heating, when summer sweltering heat, the first cylinder 1 of compressor and the sucking of the second cylinder 2
Gas (the i.e. low-temp low-pressure gas after the gas of different pressures, such as the first cylinder 1 sucking second throttle of different evaporating temperatures
Body, the second cylinder 2 suck the primary medium temperature and medium pressure gas for passing through flash vessel 10 after throttling), parallel switch valve 4 is closed at this time, and
Promoting the circulation of qi cylinder 3 does not work, and the first cylinder 1 and the air-conditioning system of the corresponding design of the second cylinder 2 are double evaporators structure, air conditioner refrigerating
The double evaporators of system have a cryogenic vaporizer for dehumidifying, and high-temperature evaporator is improved for handling sensible heat, classification processing load
Cycle efficieny, warm and humid independent control, effectively promotion refrigerating capacity；When plum rains season humidity, change gas flow path, 1 He of the first cylinder
Second cylinder 2 discharge gas is divided to two flow paths to sequentially enter cryogenic vaporizer for reheating, and high-temperature evaporator is used for dehumidification by condensation,
It is merged into a pipeline after recycling and enters compressor, realizes warm and humid dual control, condensation reheating, effectively promotion dehumidifying effect；When
When severe cold heats, the switch state of switching exhaust passage and interface channel can be changed according to demand, to control in the second cylinder 2
Whether gas enters the first cylinder 1, thus realize the conversion between twin-stage and twin-tub, so that heating capacity processed greatly promotes, and this
Outside, it opens parallel cylinder and carries out independent Gas-supplying enthalpy-increasing, heating effect is further promoted in original basis.
Specifically air-conditioning system further include: condenser 14, tool there are three the flash vessel 10 of interface, the first evaporator 11,
There are four the four-way valve 13 of port, the exhaust outlet 30 of compressor connects the first end of four-way valve 13, cold for second evaporator 12 and tool
Second port, the other end series connection first throttle valve 15 of one end connection four-way valve 13 of condenser 14 connect the first of flash vessel 10 and connect
Mouthful, second interface, the third port of other end connection four-way valve 13 of one end connection flash vessel 10 of the first evaporator 11, second
One end series connection second throttle 16 of evaporator 12 connects the second interface of flash vessel 10, the other end has been arranged in parallel the first branch
And second branch, the first branch connect the import of first switch valve 17, second branch series connection 18 connect compressor of third switch valve
Exhaust outlet 30, four-way valve 13 the 4th port connection second switch valve 19 import, flash vessel 10 third interface connection simultaneously
The import of row switch valve 4.
Individually below to cooling in summer, plum rains season dehumidifying and severe cold heat three kinds of environment operational mode to carry out specifically
It is bright.
As shown in figure 4, cooling in summer-dual temperature operational mode: opening first switch valve 17 and second switch valve 19, close control
Switch valve 8 and third switch valve 18 processed close interface channel 22, open exhaust passage 21, and the gas of compressor discharge at this time is logical
Four-way valve 13 and condenser 14 are crossed, first throttle valve 15 and second throttle 16 are opened simultaneously, takes turns doing reducing pressure by regulating flow effect, gas
Body a part passes through the first evaporator 11 by flash vessel 10, and a part enters the second evaporator 12 by second throttle 16,
Corresponding, the first evaporator 11 handles sensible heat and gas is led to the second cylinder 2, and the dehumidifying of the second evaporator 12 leads to gas
First cylinder 1, the first cylinder 1 and the work of 2 independent compression of the second cylinder, so that air-conditioning system graded cools down, temperature and humidity is independently controlled
System, is obviously improved the refrigerating capacity of air-conditioning system, promotes refrigeration effect for summer hot environment.Meanwhile parallel switch valve 4 can
Opening can close, and determine whether parallel cylinder 3 unloads according to actual needs, when parallel cylinder 3 runs work, the gas row of compression
The gas mixing compressed in housing chamber with the first cylinder 1 and the second cylinder 2, the effect as Gas-supplying enthalpy-increasing is to promote compressor
And the efficiency of air-conditioning system.
As shown in figure 5, plum rains season dehumidifying-parallel operational mode of dual temperature: second switch valve 19 and control switch valve 8 are opened,
First switch valve 17 is closed, the gas of compressor discharge at this time opens simultaneously first throttle by four-way valve 13 and condenser 14
Valve 15 and second throttle 16, take turns doing reducing pressure by regulating flow effect, and gas passes through flash vessel 10 first and accumulates in the first evaporator 11
The gas at place, at this time compressor discharge carries out reheating by the second evaporator 12, and gas mixing passes through the first evaporator 11 later
Dehumidification by condensation is carried out, four-way valve 13 is again passed by later and enters corresponding first cylinder 1 of the first, second dispenser and the second gas
Cylinder 2, since control switch valve is in open state, the first cylinder 1 and the second cylinder 2 suck the gas with evaporating temperature at this time,
So that the warm and humid dual control of double evaporators air-conditioning system, temperature adjusting and dehumidifying, condensation reheating, no longer need to be electrically heated, are obviously improved air-conditioning
The heating capacity of system promotes treatment effect for plum rains season environment.Meanwhile parallel switch valve 4 can be opened and can be closed, according to practical need
It asks and determines whether parallel cylinder 3 unloads, when parallel cylinder 3 runs work, the gas of compression drains into housing chamber and dual temperature
The gas mixing of size cylinder compression, the efficiency of compressor and air-conditioning system is promoted as the effect of Gas-supplying enthalpy-increasing.
As shown in fig. 6, severe cold heats the parallel operational mode of-three cylinders: this mode needs the case where heating for severe cold environment
It is designed, opens first switch valve 17, second switch valve 19 and parallel switch valve 4, close third switch valve 18, close connection
Exhaust passage 21 is opened in channel 22, and the first cylinder 1, the second cylinder 2 and parallel cylinder 3 respectively work independently, the first cylinder 1, the
Gas in two cylinders 2 and parallel cylinder 3 is discharged into mixing in shell, according to three cylinder mode operations above.
The present invention solves that conventional three cylinder compressors are at high cost and vibration is big, the general problem of promotion effect, and can be with
The problems such as low-load performance advantage is little, APF is not high enough is solved, in conjunction with double evaporating temperature evaporators of air-conditioning system, low temperature steams
For hair device for dehumidifying, high-temperature evaporator improves cycle efficieny for handling sensible heat, classification processing load.Air-conditioning system of the invention
System not only may be implemented cooling in summer, step cooling, independent temperature-humidity control, can also realize the dehumidifying of plum rains season, warm and humid dual control,
Temperature adjusting and dehumidifying, is not necessarily to electric reheating at condensation reheating；In addition it can realize that severe cold heats, efficiently heat, energy conservation and environmental protection.And it newly sets
Parallel cylinder is counted, the switch of parallel cylinder is realized by parallel switch valve closure, the unloading of parallel cylinder not only may be implemented, also
Gas-supplying enthalpy-increasing can be carried out by parallel cylinder, effectively promotion heating performance.
In addition, since three cylinders have independent dispenser to carry out air-breathing, therefore different function can be realized according to actual needs
Energy and cooling and warming demand are obviously improved compressor efficiency, reduce energy loss, improve the environmental protection and energy saving ability of compressor.This
Outside, size of this present invention due to having adjusted cylinder body avoids large-scale compressor so that the vibration of compressor is remarkably reduced
Big problem is vibrated due to caused by its rotary inertia.Meanwhile pump body structure of the invention is different from conventional triplex structure, can drop
The cost of low compressor, for theoretical calculation, it is left that the Conventional press of the Energy Efficiency Ratio of compressor of the invention promotes 10%
The right side can be obviously improved the efficiency of compressor and the APF of air-conditioning refrigeration system etc., and the design of air conditioning of double evaporators, make
It obtains warm and humid control and realizes independent control, realize the control of different modes to air-conditioning system for Various Seasonal and environment, not only may be used
Space is dropped, but also the heating performance of air-conditioning can be obviously improved with energy conservation, cost-saving, has good market prospects and product
Generalization.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of dual temperature independent compressor parallel, comprising: shell, the first cylinder being disposed in the housing, the second cylinder and
Parallel cylinder separates the middle partition between first cylinder and second cylinder；It is characterized in that, first cylinder
Gas vent and the gas vent of the parallel cylinder be connected to the inner cavity of the shell, the middle partition is equipped with described in connection
The exhaust passage of the gas vent of second cylinder and the housing cavity, the middle partition are additionally provided with connection first cylinder and institute
The interface channel of the second cylinder is stated, the exhaust passage and the interface channel are equipped with the switching device for controlling its switch state；
The suction hole of first cylinder, second cylinder and the parallel cylinder is respectively independently connected and has dispenser, each
The air inlet pipe of the dispenser is provided with the switch valve for adjusting air-suction state.
2. compressor as described in claim 1, which is characterized in that the dispenser that first cylinder is connected is the first liquid separation
Device is provided with first switch valve in the air inlet pipe of first dispenser；The dispenser that second cylinder is connected is second
Dispenser is provided with second switch valve in the air inlet pipe of second dispenser；The import of the first switch valve and described
Intermediate tube is connected between the import of two switch valves, the intermediate tube is equipped with control switch valve.
3. compressor as described in claim 1, which is characterized in that its inner cavity is separated into and institute when the interface channel is closed
The second intermediate cavity stating the first intermediate cavity of the first cylinder connection and being connected to second cylinder；The interface channel is only capable of
The pressure of second intermediate cavity is opened when being greater than the pressure of first intermediate cavity.
4. compressor as described in claim 1, which is characterized in that the switching device includes: to be blocked in the exhaust passage
In the first plectrum, push first plectrum to move to open or close the first control piece of the exhaust passage, be blocked in
The second plectrum, promotion the second plectrum movement in the interface channel is controlled with open or close the interface channel second
Product.
5. compressor as described in claim 1, which is characterized in that first cylinder, second cylinder and described parallel
Cylinder is from top to bottom sequentially arranged in the shell.
6. compressor as described in claim 1, which is characterized in that the cylinder body volume of first cylinder be V1, described second
The cylinder body volume of cylinder is V2, and the range of V1 ÷ V2 is 0.4 ~ 0.9.
7. compressor as described in claim 1, which is characterized in that the cylinder body volume of first cylinder be V1, described second
The cylinder body volume of cylinder is V2, and the cylinder body volume of the parallel cylinder is V3, and the range of V3 ÷ (V1+V2) is 0.1 ~ 0.4.
8. compressor as described in claim 1, which is characterized in that the cylinder body volume of first cylinder be V1, described second
The cylinder body volume of cylinder is V2, and the cylinder body volume of the parallel cylinder is V3, the range of V3 ÷ (V1+V2+V3) is 0.105 ~
0.725。
9. a kind of air-conditioning system characterized by comprising compressor as claimed in any one of claims 1 to 8.
10. air-conditioning system as claimed in claim 9, which is characterized in that further include: there are three the flash distillations of interface for condenser, tool
There are four the four-way valves of port for device, the first evaporator, the second evaporator and tool；
The exhaust outlet of the compressor connects the first port of the four-way valve；
One end of the condenser connects the second port of the four-way valve, the other end connects the first interface of the flash vessel；
One end of first evaporator connects the second interface of the flash vessel, the other end connects the third end of the four-way valve
Mouthful；
One end of second evaporator connects the second interface of the flash vessel, the other end has been arranged in parallel the first branch and
Two branches, the first branch connect in the air inlet pipe for the dispenser that first cylinder is connected, the second branch series connection
Second switch valve connects the exhaust outlet of the compressor；
4th port of the four-way valve connects in the air inlet pipe for the dispenser that second cylinder is connected；
The third interface of the flash vessel connects in the air inlet pipe for the dispenser that the parallel cylinder is connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910726793.8A CN110374876A (en) | 2019-08-07 | 2019-08-07 | Dual temperature independent compressor and air-conditioning system parallel |
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|---|---|---|---|
| CN201910726793.8A CN110374876A (en) | 2019-08-07 | 2019-08-07 | Dual temperature independent compressor and air-conditioning system parallel |
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| CN110374876A true CN110374876A (en) | 2019-10-25 |
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| CN201910726793.8A Pending CN110374876A (en) | 2019-08-07 | 2019-08-07 | Dual temperature independent compressor and air-conditioning system parallel |
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