CN105650926B - Coolant circulating system and air conditioner with it - Google Patents
Coolant circulating system and air conditioner with it Download PDFInfo
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- CN105650926B CN105650926B CN201610164714.5A CN201610164714A CN105650926B CN 105650926 B CN105650926 B CN 105650926B CN 201610164714 A CN201610164714 A CN 201610164714A CN 105650926 B CN105650926 B CN 105650926B
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- control piper
- control
- positive displacement
- displacement compressor
- circulating system
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- 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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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- 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/0271—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means the compressor allows rotation in reverse direction
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- 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
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- 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
- F25B2500/00—Problems to be solved
- F25B2500/13—Vibrations
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The present invention provides a kind of coolant circulating system and with its air conditioner, coolant circulating system includes sequentially connected positive displacement compressor, condenser, flash vessel and evaporator, coolant circulating system further include: the first control piper, the second end of pipeline connection between the first end and condenser and flash vessel of first control piper, the first control piper is connected to on-off may be selected with the control refrigerant inlet of positive displacement compressor；And/or second control piper, the second end of the pipeline connection between the first end and flash vessel and evaporator of the second control piper, the second control piper are connected to on-off may be selected with the control refrigerant inlet of positive displacement compressor.To solve the problems, such as that vibration in the prior art is larger.
Description
Technical field
The present invention relates to compressor fields, in particular to a kind of coolant circulating system and with its air conditioner.
Background technique
There can be one or more cylinders that can realize whether control cylinder is pressed by high and low pressure in positive displacement compressor
The switching of contracting realizes the transfiguration control of compressor to change the quantity of the cylinder in running order.
It is provided with slide plate in the cylinder of positive displacement compressor, a notch is set on slide plate, pin is arranged under slide plate
Side, pin lower section are provided with spring.Pin head is constantly in high pressure or low pressure, the high pressure that is inputted by cylinder switching channel or
Low pressure acts on the back side of pin, make pin head and the back side generate pressure difference, this pressure difference can with compressed spring (for example,
Pressure difference is 0.1MPa), so that pin is left the notch on slide plate, keeps cylinder in running order or pressure difference is less than spring
Elastic force, so that pin is locked slide plate under the action of elastic force, cylinder made not work.
Cylinder body switching in positive displacement compressor control at present, switches the number of cylinder body generally by high pressure or low pressure is introduced
Amount, to achieve the effect that compressor transfiguration.Positive displacement compressor is mainly the suction line introducing for passing through positive displacement compressor at present
Low pressure, gas exhaust piping introduce high pressure, and the control for introducing pressure is realized in the valves control such as cooperation two-port valve, check valve, triple valve.
However, due to factors such as vibration of compressor, pipeline vibration, stress, when being taken over from air intake duct, exhaust pipe, for introduce high pressure or
The control piper of low pressure is shorter and forms triangular structure with refrigerant pipeline, and the rigidity so as to cause pipeline entirety is larger, hardening
A whole set of pipeline is unfavorable for absorbing vibration, and the connecting tube stress, vibration are larger, there is disconnected pipe hidden danger.
Further, the elastic force of the spring of driving pin is much larger than by the high pressure that the gas exhaust piping of positive displacement compressor introduces,
And the elastic force of spring is much smaller than by the low pressure that the suction line of positive displacement compressor introduces, cause the pressure difference of the two sides of pin larger,
It is unfavorable to the service life of components.
Summary of the invention
The main purpose of the present invention is to provide a kind of coolant circulating system and with its air conditioner, to solve existing skill
Larger problem is vibrated in art.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of coolant circulating system, refrigerant circulation
System includes sequentially connected positive displacement compressor, condenser, flash vessel and evaporator, coolant circulating system further include: the first control
Tubulation road, the pipeline connection between the first end and condenser and flash vessel of the first control piper, the second of the first control piper
End is connected to on-off may be selected with the control refrigerant inlet of positive displacement compressor；And/or second control piper, the second control piper
First end and flash vessel and evaporator between pipeline connection, the second end of the second control piper and the control of positive displacement compressor
Refrigerant inlet is connected to on-off may be selected.
It further, further include four-way valve, four ports of four-way valve are separately connected the exhaust outlet of positive displacement compressor, transfiguration
Air entry, condenser and the evaporator of compressor, the pipeline between the first end and condenser and flash vessel of the first control piper
The second end of connection, the first control piper is connected to on-off may be selected with the control refrigerant inlet of positive displacement compressor；Second control
Pipeline connection between the first end and evaporator and four-way valve of pipeline, the second end of the second control piper and positive displacement compressor
Control refrigerant inlet is connected to on-off may be selected.
Further, be provided with first throttle component between condenser and flash vessel, the first end of the first control piper with
Piping connection between condenser and first throttle component.
Further, be provided with first throttle component between condenser and flash vessel, the first end of the first control piper with
Piping connection between first throttle component and flash vessel.
It further, further include four-way valve, four ports of four-way valve are separately connected the exhaust outlet of positive displacement compressor, transfiguration
Air entry, condenser and the evaporator of compressor, the pipeline between the first end and four-way valve and condenser of the first control piper
The second end of connection, the first control piper is connected to on-off may be selected with the control refrigerant inlet of positive displacement compressor；Second control
Pipeline connection between the first end and flash vessel and evaporator of pipeline, the second end of the second control piper and positive displacement compressor
Control refrigerant inlet is connected to on-off may be selected.
Further, be provided with the second orifice union between flash vessel and evaporator, the first end of the second control piper with
Pipeline connection between flash vessel and the second orifice union.
Further, be provided with the second orifice union between flash vessel and evaporator, the first end of the second control piper with
Pipeline connection between second orifice union and evaporator.
Further, gas-liquid separator is provided in the first control piper and/or the second control piper.
Further, including the first control piper and the second control piper, coolant circulating system further include triple valve, threeway
Valve includes the first import, the second inlet and outlet, and the first import connect with the second end of the first control piper, the second import and the
The second end of two control pipers connects, and the outlet of triple valve is connected to the control refrigerant inlet of positive displacement compressor.
Further, gas-liquid separator is provided between the outlet of triple valve and the control refrigerant inlet of positive displacement compressor.
According to another aspect of the present invention, a kind of air conditioner is provided, air conditioner includes above-mentioned coolant circulating system.
It applies the technical scheme of the present invention, the pressure in pipeline between condenser and flash vessel is lower than positive displacement compressor
Pressure in exhaust pipe realizes the change of positive displacement compressor working condition using the pressure as high drive pin, reduces
The pressure differences of pin two sides.Since the pressure in the pipeline between flash vessel and evaporator is higher than the air entry of positive displacement compressor
Pressure, therefore introduce positive displacement compressor for the pressure as low pressure, the pressure difference for reducing the two sides of pin can also be played
Effect advantageously reduces the damage of pin and slide plate, is conducive to improve its service life.
Further, by the way that the first control piper or the second control piper are connected to the position far from positive displacement compressor,
The overall stiffness for reducing pipe-line system advantageously reduces the vibration of system.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the first embodiment of coolant circulating system of the invention；
Fig. 2 shows the structural schematic diagrams of the second embodiment of coolant circulating system of the invention；
Fig. 3 shows the structural schematic diagram of the 3rd embodiment of coolant circulating system of the invention.
Wherein, the above drawings include the following reference numerals:
1, the first control piper；11, triple valve；12, the first dotted line；2, condenser；3, flash vessel；4, the second control pipe
Road；42, the second dotted line；5, evaporator；6, four-way valve；71, first throttle component；72, the second orifice union；8, compressor；9,
Gas-liquid separator；10, increasing enthalpy tonifying Qi pipeline.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment one:
Refering to what is shown in Fig. 1, the coolant circulating system of the present embodiment include sequentially connected positive displacement compressor 8, condenser 2,
Flash vessel 3 and evaporator 5.
In the process of work, the compressed refrigerant of positive displacement compressor 8 is delivered to condenser 2 to coolant circulating system, cold
Refrigerant exothermic condensation in condenser 2, condensed refrigerant are delivered to the import of flash vessel 3, and flash vessel 3 also has gaseous coolant outlet
It being exported with liquid refrigerants, gaseous coolant outlet is connect with the increasing enthalpy tonifying Qi import of positive displacement compressor 8 by increasing enthalpy tonifying Qi pipeline 10,
The liquid refrigerants outlet of flash vessel 3 is connected to evaporator 5, and the gaseous coolant isolated in flash vessel 3 is through increasing enthalpy tonifying Qi pipeline 10
It is delivered to positive displacement compressor 8, the liquid refrigerants isolated in flash vessel 3 is delivered to evaporator 5, the liquid refrigerants in evaporator 5
Evaporation is to absorb heat.
In the present embodiment, coolant circulating system further includes the first control piper 1 and the second control piper 4.
Pipeline connection between the first end and condenser 2 and flash vessel 3 of first control piper 1, the first control piper 1
Second end is connected to on-off may be selected with the control refrigerant inlet of positive displacement compressor 8.Or, the first end of the second control piper 4 with
Pipeline connection between flash vessel 3 and evaporator 5, the second end of the second control piper 4 enter with the control refrigerant of positive displacement compressor 8
The optional on-off of mouth it is connected to.
High pressure using the refrigerant drawn in the pipeline between condenser 2 and flash vessel 3 as control positive displacement compressor 8,
When the first control piper 1 is selected as connected state, positive displacement compressor 8 enters multi-cylinder operating mode；Or, using 3 He of flash vessel
The refrigerant drawn in pipeline between evaporator 5 is as low pressure, when the second control piper 4 is selected as connected state, transfiguration pressure
Contracting machine enters twin-tub operating mode.
The pressure in pipeline between condenser 2 and flash vessel 3 is lower than the pressure in the exhaust pipe of positive displacement compressor 8, benefit
The change for the pressure is used as high drive pin realizing positive displacement compressor working condition, reduces the pressure of pin two sides
Difference.It, will since the pressure in the pipeline between flash vessel 3 and evaporator 5 is higher than the pressure of the air entry of positive displacement compressor 8
The pressure introduces positive displacement compressor as low pressure, can also play the effect for reducing the pressure difference of two sides of pin, be conducive to drop
Countervail the damage of nail and slide plate, is conducive to improve its service life.
Further, by the way that the first control piper 1 or the second control piper 4 are connected to the position far from positive displacement compressor
It sets, reduces the overall stiffness of pipe-line system, advantageously reduce the vibration of system.
The coolant circulating system of the present embodiment can be used for Teat pump boiler, the water dispenser with refrigerating function and air conditioner etc.
Equipment.
Fig. 1 shows the structural schematic diagram for having the air conditioner of above-mentioned coolant circulating system.Preferably, which is tool
There is refrigeration and heats the air conditioner of two kinds of operating modes.
The air conditioner further includes four-way valve 6, and four ports of four-way valve 6 are separately connected the exhaust outlet of positive displacement compressor 8, become
Air entry, condenser 2 and the evaporator 5 of positive displacement compressor 8.
In cooling mode, the refrigerant in the condenser 2 of air conditioner condenses heat release, the refrigerant evaporation heat absorption in evaporator 5.
The compressed refrigerant of positive displacement compressor 8 is delivered to condenser 2 through four-way valve 6 and outside air exchanges heat with exothermic condensation, cold
Refrigerant after solidifying enters flash vessel 3, and there is flash vessel 3 gaseous coolant outlet and liquid refrigerants to export, the gaseous coolant of flash vessel 3
Outlet is connect with the increasing enthalpy gas supplementing opening of positive displacement compressor 8 by increasing enthalpy tonifying Qi pipeline 10, and the liquid refrigerants of flash vessel 3 exports output
Refrigerant be delivered to evaporator 5, in evaporator 5 refrigerant evaporation heat absorption to reduce room temperature, in evaporator 5 exchange heat after
Refrigerant is delivered to the air entry of positive displacement compressor 8 through four-way valve 6.
In a heating mode, the refrigerant in the evaporator 5 of air conditioner condenses heat release, the refrigerant evaporation heat absorption in condenser 2.
The compressed refrigerant of positive displacement compressor 8 is delivered to evaporator 5 through four-way valve 6, and refrigerant condenses heat release in evaporator 5 to improve room
Interior temperature, the refrigerant after the heat exchange of evaporator 5 are delivered in condenser 2 after flash vessel 3, and refrigerant evaporation is inhaled in condenser 2
Heat, the refrigerant after absorbing heat in condenser 22 enter the air entry of positive displacement compressor 8 through four-way valve 6.
As shown in connection with fig. 1, the pipeline connection between the first end and condenser 2 and flash vessel 3 of the first control piper 1, the
The second end of one control piper 1 is connected to on-off may be selected with the control refrigerant inlet of positive displacement compressor 8.
Pipeline connection between the first end and evaporator 5 and four-way valve 6 of second control piper 4, the second control piper 4
Second end is connected to on-off may be selected with the control refrigerant inlet of positive displacement compressor 8.
It in cooling mode, will condensation if the first control piper 1 is connected to the control refrigerant inlet of positive displacement compressor 8
Refrigerant between device 2 and flash vessel 3 introduces the control refrigerant inlet of positive displacement compressor 8, and positive displacement compressor 8 enters multi-cylinder Working mould
Formula will be between four-way valve 6 and evaporator 5 if the second control piper 4 is connected to the control refrigerant inlet of positive displacement compressor 8
Refrigerant introduces the control refrigerant inlet of positive displacement compressor 8, and positive displacement compressor enters twin-tub operating mode.
In cooling mode, the pressure in the pipeline between condenser 2 and flash vessel 3 is lower than the exhaust of positive displacement compressor 8
Pressure in pipe is realized the change of positive displacement compressor working condition as high drive pin using the pressure, reduces pin
Follow closely the pressure difference of two sides.
In a heating mode, if the first control piper 1 is connected to the control refrigerant inlet of positive displacement compressor, by condenser
Refrigerant between 2 and flash vessel 3 introduces the control refrigerant inlet of positive displacement compressor, and positive displacement compressor 8 enters twin-tub cylinder working mould
Formula.It, will since the pressure in the pipeline between flash vessel 3 and condenser 2 is higher than the pressure of the air entry of positive displacement compressor
The pressure introduces positive displacement compressor as low pressure, can also play the effect for reducing the pressure difference of two sides of pin.
Preferably, first throttle component 71, the first end of the first control piper 1 are provided between condenser 2 and flash vessel 3
With the piping connection between condenser 2 and first throttle component 71.
Can also preferably, shown in the first dotted line 12 as shown in figure 1, the first end and first throttle of the first control piper 1
Piping connection between component 71 and flash vessel 3.
As shown in Figure 1, further including triple valve 11 in coolant circulating system, triple valve 11 includes the first import, the second import
And outlet, the first import are connect with the second end of the first control piper 1, the second end of the second import and the second control piper 4 connects
It connects, the outlet of triple valve is connected to the control refrigerant inlet of positive displacement compressor.
Gas-liquid separator 9 is provided between the outlet of triple valve 11 and the control refrigerant inlet of positive displacement compressor.
Can also gas-liquid separator 9 preferably be provided in the first control piper 1 and/or the second control piper 4.
In the present embodiment, first throttle component 71 is electric expansion valve, and triple valve 11 is three-way solenoid valve.
From first throttle component 71 to condenser 2 (outdoor heat exchanger) pipeline or (first throttle component 71 with
Pipeline between flash vessel 3) on introduce pressure Pa, introduced on from four-way valve 6 to the pipeline evaporator 5 (indoor heat exchanger)
Pressure Pb, and its pressure for introducing positive displacement compressor 8 is controlled with three-way solenoid valve on-off, to realize positive displacement compressor 8
Transfiguration control.Systematic schematic diagram is as shown in Figure 1, main control mode is as follows:
1. refrigeration mode
When in refrigeration mode, it is high pressure at three-way solenoid valve Pa, is low pressure at three-way solenoid valve Pb, according to transfiguration pressure
Contracting machine transfiguration principle and triple valve working principle (being not described in detail herein), when
A, when three-way solenoid valve powers off, compressor introduces pressure Pa at this time, and compressor is three cylinder multi-cylinder operating modes；
B, when three-way solenoid valve obtains electric, compressor introduces pressure Pb at this time, and compressor is two cylinder normal mode of operation.
2. heating mode
When being in heating mode, it is low pressure at three-way solenoid valve Pa, is high pressure at three-way solenoid valve Pb, according to compressor
Transfiguration principle and triple valve working principle, when
A, when three-way solenoid valve powers off, compressor introduces pressure Pa at this time, and compressor is two cylinder normal mode of operation；
B, when three-way solenoid valve obtains electric, compressor introduces pressure Pb at this time, and compressor is three cylinder multi-cylinder operating modes.
The positive displacement compressor transfiguration control mode of the prior art, be directly from the air intake duct of positive displacement compressor introduce high pressure,
Low pressure is introduced respectively from the exhaust pipe of positive displacement compressor, and to realize the transfiguration operation of positive displacement compressor, entire pipeline is hard at this time
Change, using high-low pressure control mode used in the present invention, not only can effectively fast implement the transfiguration operation of compressor, can also reduce fortune
The vibration of pipeline during row, reduces the stress of pipeline.
The two sides such as slide plate, pin when on the other hand can reduce multi-cylinder work using high-low pressure control mode used in the present invention
Pressure difference, improve the compressor service life.It is smaller that positive displacement compressor pin switches pressure difference, such as only needs 0.1MPa-0.5MPa, and
It is even higher that suction draught head Gao Shineng reaches 2.5MPa.
In the present embodiment, according to different high-low pressure incorporation ways is used, the multiple control modes of compressor transfiguration are realized.
The technical effect of the scheme of this Shen embodiment: using the program, under the premise of realizing positive displacement compressor control, energy
Pipeline vibration, stress is effectively reduced, reduction compressor pressure at both sides is poor, extends lifetime of system, improves security reliability.
According to the another aspect of the application, the present embodiment also discloses a kind of air conditioner, which includes above-mentioned cold
Matchmaker's circulatory system.
Embodiment two:
As shown in Fig. 2, the present embodiment and the difference of embodiment one are: the first end and four-way valve 6 of the first control piper 1
Pipeline connection between condenser 2, the second end of the first control piper 1 and the control refrigerant inlet of positive displacement compressor may be selected
On-off it is connected to.
Pipeline connection between the first end and flash vessel 3 and evaporator 5 of second control piper 4, the second control piper 4
Second end is connected to on-off may be selected with the control refrigerant inlet of positive displacement compressor.
Optionally, the second orifice union 72, the first end of the second control piper 4 are provided between flash vessel 3 and evaporator 5
With the pipeline connection between the second orifice union 72 and evaporator 5.
Can also preferably, as shown in the second dotted line 42 in Fig. 2, the first end of the second control piper 4 and flash vessel 3 with
Pipeline connection between second orifice union 72.
Coolant circulating system further includes triple valve 11, and triple valve 11 includes the first import, the second inlet and outlet, first into
Mouth is connect with the second end of the first control piper 1, and the second import is connect with the second end of the second control piper 4, and triple valve goes out
Mouth is connected to the control refrigerant inlet of positive displacement compressor.
Gas-liquid separator 9 is provided between the outlet of triple valve and the control refrigerant inlet of positive displacement compressor.
In the present embodiment, the second orifice union 72 is electric expansion valve, and triple valve 11 is three-way solenoid valve.
Pressure Pa is introduced on from four-way valve 6 to the pipeline condenser 2 (outdoor heat exchanger), from the second orifice union 72
Pressure Pb is introduced on to the pipeline between the pipeline or electric expansion valve B and flash vessel between evaporator 5 (indoor heat exchanger),
And its pressure for introducing compressor is controlled with three-way solenoid valve on-off, to realize the transfiguration control of compressor.System principle
Figure is as shown in Figure 1, main control mode is as follows:
1. refrigeration mode
When in refrigeration mode, it is high pressure at three-way solenoid valve Pa, is low pressure at three-way solenoid valve Pb, according to compressor
Transfiguration principle and triple valve working principle (being not described in detail herein), when
A, when three-way solenoid valve powers off, compressor introduces pressure Pa at this time, and compressor is three cylinders (multi-cylinder) operating mode；
B, when three-way solenoid valve obtains electric, compressor introduces pressure Pb at this time, and compressor is two cylinders (common) operating mode.
2. heating mode
When being in heating mode, it is low pressure at three-way solenoid valve Pa, is high pressure at three-way solenoid valve Pb, according to compressor
Transfiguration principle and triple valve working principle, when
A, when three-way solenoid valve powers off, compressor introduces pressure Pa at this time, and compressor is two cylinders (common) operating mode；
B, when three-way solenoid valve obtains electric, compressor introduces pressure Pb at this time, and compressor is three cylinders (multi-cylinder) operating mode.
Embodiment three:
As shown in figure 3, the present embodiment and the difference of embodiment one are: the first end and condenser 2 of the first control piper 1
Pipeline connection between flash vessel 3, the second end of the first control piper 1 and the control refrigerant inlet of positive displacement compressor 8 are optional
It is connected to selecting on-off.Pipeline connection between the first end and flash vessel 3 and evaporator 5 of second control piper 4, the second control pipe
The second end on road 4 is connected to on-off may be selected with the control refrigerant inlet of positive displacement compressor 8.
In the present embodiment, first throttle component 71 is provided between condenser 2 and flash vessel 3.Flash vessel 3 and evaporator 5
Between be provided with the second orifice union 72.
Optionally, the piping connection between the first end and condenser 2 and first throttle component 71 of the first control piper 1.
Pipeline connection between the first end of second control piper 4 and the second orifice union 72 and evaporator 5.
Can also preferably, as shown in the first dotted line 12 and the second dotted line 42 in Fig. 3, the first of the first control piper 1
End and the piping connection between first throttle component 71 and flash vessel 3.The first end of second control piper 4 and flash vessel 3 and the
Pipeline connection between two orifice unions 72.
Coolant circulating system further includes triple valve 11, and triple valve 11 includes the first import, the second inlet and outlet, first into
Mouth is connect with the second end of the first control piper 1, and the second import is connect with the second end of the second control piper 4, and triple valve goes out
Mouth is connected to the control refrigerant inlet of positive displacement compressor.
Gas-liquid separator 9 is provided between the outlet of triple valve and the control refrigerant inlet of positive displacement compressor.
First throttle component 71 and the second orifice union 72 are electric expansion valve in the present embodiment, and triple valve 11 is electromagnetism
Triple valve.
From first throttle component 71 to condenser 2 (outdoor heat exchanger) pipeline or first throttle component 71 with
Pressure Pa is introduced on pipeline between flash vessel 3, from the second orifice union 72 to the pipeline evaporator 5 (indoor heat exchanger)
Or pressure Pb is introduced on the second pipeline between orifice union 72 and flash vessel 3, and control it with three-way solenoid valve on-off
The pressure of compressor is introduced, to realize the transfiguration control of compressor.Systematic schematic diagram as shown in Figure 1, main control mode such as
It is lower described:
1. refrigeration mode
When in refrigeration mode, it is high pressure at three-way solenoid valve Pa, is low pressure at three-way solenoid valve Pb, according to compressor
Transfiguration principle and triple valve working principle (being not described in detail herein), when
A, when three-way solenoid valve powers off, compressor introduces pressure Pa at this time, and compressor is three cylinders (multi-cylinder) operating mode；
B, when three-way solenoid valve obtains electric, compressor introduces pressure Pb at this time, and compressor is two cylinders (common) operating mode.
2. heating mode
When being in heating mode, it is low pressure at three-way solenoid valve Pa, is high pressure at three-way solenoid valve Pb, according to compressor
Transfiguration principle and triple valve working principle, when
A, when three-way solenoid valve powers off, compressor introduces pressure Pa at this time, and compressor is two cylinders (common) operating mode；
B, when three-way solenoid valve obtains electric, compressor introduces pressure Pb at this time, and compressor is three cylinders (multi-cylinder) operating mode.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of coolant circulating system, including sequentially connected positive displacement compressor (8), condenser (2), flash vessel (3) and evaporation
Device (5), which is characterized in that the coolant circulating system further include:
First control piper (1)；With
Second control piper (4)；
Four ports of four-way valve (6), the four-way valve (6) are separately connected the exhaust outlet of the positive displacement compressor (8), the change
Air entry, the condenser (2) and the evaporator (5) of positive displacement compressor (8),
Pipeline connection between the first end and the condenser (2) and the flash vessel (3) of first control piper (1),
The second end of first control piper (1) is connected to on-off may be selected with the control refrigerant inlet of the positive displacement compressor；
Pipeline connection between the first end and the evaporator (5) and the four-way valve (6) of second control piper (4),
The second end of second control piper (4) is connected to on-off may be selected with the control refrigerant inlet of the positive displacement compressor；
Wherein, gas-liquid separator (9) are provided in first control piper (1) and/or second control piper (4).
2. coolant circulating system according to claim 1, which is characterized in that the condenser (2) and the flash vessel (3)
Between be provided with first throttle component (71), the first end of first control piper (1) and the condenser (2) and described the
Piping connection between one orifice union (71).
3. coolant circulating system according to claim 1, which is characterized in that the condenser (2) and the flash vessel (3)
Between be provided with first throttle component (71), the first end of first control piper (1) and the first throttle component (71)
Piping connection between the flash vessel (3).
4. coolant circulating system according to claim 1, which is characterized in that including first control piper (1) and institute
State the second control piper (4), the coolant circulating system further includes triple valve (11), the triple valve (11) include first into
Mouth, the second inlet and outlet, first import are connect with the second end of first control piper (1), second import
It is connect with the second end of second control piper (4), the outlet of the triple valve and the control refrigerant of the positive displacement compressor
Entrance connection.
5. coolant circulating system according to claim 4, which is characterized in that the outlet of the triple valve and the transfiguration pressure
Gas-liquid separator (9) are provided between the control refrigerant inlet of contracting machine.
6. a kind of coolant circulating system, including sequentially connected positive displacement compressor (8), condenser (2), flash vessel (3) and evaporation
Device (5), which is characterized in that the coolant circulating system further include:
First control piper (1)；With
Second control piper (4)；
Four ports of four-way valve (6), the four-way valve (6) are separately connected the exhaust outlet of the positive displacement compressor (8), the change
Air entry, the condenser (2) and the evaporator (5) of positive displacement compressor (8),
Pipeline connection between the first end and four-way valve (6) and condenser (2) of first control piper (1), described first
The second end of control piper (1) is connected to on-off may be selected with the control refrigerant inlet of the positive displacement compressor；
Pipeline connection between the first end and flash vessel (3) and evaporator (5) of second control piper (4), described second
The second end of control piper (4) is connected to on-off may be selected with the control refrigerant inlet of the positive displacement compressor；
Wherein, gas-liquid separator (9) are provided in first control piper (1) and/or second control piper (4).
7. coolant circulating system according to claim 6, which is characterized in that the flash vessel (3) and the evaporator (5)
Between be provided with the second orifice union (72), the first end of second control piper (4) and the flash vessel (3) and described the
Pipeline connection between two orifice unions (72).
8. coolant circulating system according to claim 6, which is characterized in that the flash vessel (3) and the evaporator (5)
Between be provided with the second orifice union (72), the first end of second control piper (4) and second orifice union (72)
Pipeline connection between the evaporator (5).
9. coolant circulating system according to claim 6, which is characterized in that including first control piper (1) and institute
State the second control piper (4), the coolant circulating system further includes triple valve (11), the triple valve (11) include first into
Mouth, the second inlet and outlet, first import are connect with the second end of first control piper (1), second import
It is connect with the second end of second control piper (4), the outlet of the triple valve and the control refrigerant of the positive displacement compressor
Entrance connection.
10. coolant circulating system according to claim 9, which is characterized in that the outlet of the triple valve and the transfiguration
Gas-liquid separator (9) are provided between the control refrigerant inlet of compressor.
11. a kind of air conditioner, which is characterized in that the air conditioner includes that refrigerant described in any one of claims 1 to 10 follows
Loop system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610164714.5A CN105650926B (en) | 2016-03-21 | 2016-03-21 | Coolant circulating system and air conditioner with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610164714.5A CN105650926B (en) | 2016-03-21 | 2016-03-21 | Coolant circulating system and air conditioner with it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105650926A CN105650926A (en) | 2016-06-08 |
| CN105650926B true CN105650926B (en) | 2018-12-07 |
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ID=56495202
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610164714.5A Active CN105650926B (en) | 2016-03-21 | 2016-03-21 | Coolant circulating system and air conditioner with it |
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| Country | Link |
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| CN (1) | CN105650926B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885389A (en) * | 2017-03-24 | 2017-06-23 | 广东美芝精密制造有限公司 | Refrigerating plant |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954066A (en) * | 2014-04-15 | 2014-07-30 | 珠海格力电器股份有限公司 | Refrigerating device |
| CN104534732A (en) * | 2014-12-02 | 2015-04-22 | 广东美的制冷设备有限公司 | Air conditioner |
| WO2015128122A1 (en) * | 2014-02-27 | 2015-09-03 | Siemens Aktiengesellschaft | Heat pump with storage tank |
| CN204805097U (en) * | 2015-06-19 | 2015-11-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air conditioning system |
| CN205505484U (en) * | 2016-03-21 | 2016-08-24 | 珠海格力电器股份有限公司 | Refrigerant circulation system and have its air conditioner |
-
2016
- 2016-03-21 CN CN201610164714.5A patent/CN105650926B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015128122A1 (en) * | 2014-02-27 | 2015-09-03 | Siemens Aktiengesellschaft | Heat pump with storage tank |
| CN103954066A (en) * | 2014-04-15 | 2014-07-30 | 珠海格力电器股份有限公司 | Refrigerating device |
| CN104534732A (en) * | 2014-12-02 | 2015-04-22 | 广东美的制冷设备有限公司 | Air conditioner |
| CN204805097U (en) * | 2015-06-19 | 2015-11-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air conditioning system |
| CN205505484U (en) * | 2016-03-21 | 2016-08-24 | 珠海格力电器股份有限公司 | Refrigerant circulation system and have its air conditioner |
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|---|---|
| CN105650926A (en) | 2016-06-08 |
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