CN205747601U - Refrigerant circulation system and air conditioner with same - Google Patents
Refrigerant circulation system and air conditioner with same Download PDFInfo
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- CN205747601U CN205747601U CN201620485413.8U CN201620485413U CN205747601U CN 205747601 U CN205747601 U CN 205747601U CN 201620485413 U CN201620485413 U CN 201620485413U CN 205747601 U CN205747601 U CN 205747601U
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- connecting line
- pipeline section
- control piper
- pipeline
- positive displacement
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- 239000003507 refrigerant Substances 0.000 title claims abstract description 23
- 230000004087 circulation Effects 0.000 title claims abstract description 6
- 241000009298 Trigla lyra Species 0.000 claims description 86
- 238000006073 displacement reaction Methods 0.000 claims description 82
- 239000002826 coolant Substances 0.000 claims description 40
- 238000005452 bending Methods 0.000 claims description 38
- 239000007788 liquid Substances 0.000 claims description 14
- 230000008676 import Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008859 change Effects 0.000 abstract description 4
- 239000006200 vaporizer Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000007701 flash-distillation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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Abstract
The utility model provides a refrigerant circulation system and have its air conditioner. Refrigerant circulation system, including the varactor compressor, the cross valve and the connecting line who connects varactor compressor and cross valve, connecting line includes a plurality of pipeline sections, refrigerant circulation system still includes control pipeline, control pipeline's entry end and connecting line are connected in a plurality of pipeline sections on the pipeline section of the not next-door neighbour varactor compressor on the extension route of connecting line, the exit end of control pipeline and the control refrigerant entry of varactor compressor can select break-make ground intercommunication. Use the technical scheme of the utility model, the control pipeline that will be used for controlling the operating condition of variable volume compressor's change is connected in the position of keeping away from variable volume compressor, draws forth control pipeline's pipeline section and variable volume compressor interval at least one pipeline section, and certain vibration can be absorbed to the pipeline section between control pipeline and the variable volume compressor, consequently can play the effect that reduces the vibration.
Description
Technical field
This utility model relates to compressor field, in particular to a kind of coolant circulating system and the air-conditioning with it
Device.
Background technology
Positive displacement compressor can there is one or more cylinder can realize controlling whether cylinder presses by high and low pressure
The switching of contracting, thus change in running order in the quantity of cylinder, it is achieved the transfiguration of compressor controls.
Being provided with slide plate in the cylinder of positive displacement compressor, arrange a breach on slide plate, pin is arranged under slide plate
Side, is provided with spring below pin.Pin head is in high pressure or low pressure, the high pressure inputted by cylinder switching channel or low pressure
Acting on the side back to spring of pin, make the head of pin and the back side produce pressure differential, this pressure differential can be with compression spring
(such as, pressure differential is 0.1MPa), makes pin leave the breach on slide plate, makes cylinder in running order, or pressure differential is little
In the elastic force of spring, under the effect of elastic force, make the locked slide plate of pin, make cylinder not work.
Cylinder body switching during positive displacement compressor controls at present, switches the number of cylinder body generally by introducing high pressure or low pressure
Amount, thus reach the effect of compressor transfiguration.Positive displacement compressor is mainly introduced by the suction line of positive displacement compressor at present
Low pressure, gas exhaust piping introduce high pressure, coordinate the Valve controlling such as two-port valve, check valve, three-way valve, it is achieved introduce the control of pressure.
But, due to factors such as vibration of compressor, pipeline vibration, stress, when suction nozzle, exhaustor adapter, be used for introducing high pressure or
The control piper of low pressure is shorter and forms triangular structure with refrigerant pipeline, thus the rigidity causing pipeline overall is relatively big, hardening
A whole set of pipeline is unfavorable for absorbing vibration, and this connecting tube stress, vibration are relatively big, have disconnected pipe hidden danger.
Further, the gas exhaust piping of positive displacement compressor the high pressure introduced is much larger than the elastic force of the spring driving pin,
And by the low pressure of the suction line introducing of positive displacement compressor much smaller than the elastic force of spring, cause the pressure reduction of both sides of pin relatively greatly,
Unfavorable to the life-span of parts.
Utility model content
Main purpose of the present utility model is provide a kind of coolant circulating system and have its air-conditioner, existing to solve
There is the problem that the pipeline vibration in technology is bigger.
To achieve these goals, according to an aspect of the present utility model, it is provided that a kind of coolant circulating system, including
Positive displacement compressor, cross valve and connection positive displacement compressor and the connecting line of cross valve, connecting line includes multiple pipeline section, coolant
Blood circulation also includes control piper, the arrival end of control piper and connecting line be connected in multiple pipeline section at connecting line
Extension path on be not close on the pipeline section of positive displacement compressor, the control coolant of the port of export of control piper and positive displacement compressor
Entrance connects with may select break-make.
Further, multiple pipeline sections include bending pipeline section and extend pipeline section, and bending pipeline section and extension pipeline section are arranged alternately
To form snakelike pipeline.
Further, the bearing of trend of pipeline section and the axial consistent of positive displacement compressor are extended.
Further, the arrival end of control piper is connected with extending pipeline section.
Further, connecting line includes in multiple extension pipeline section, the arrival end of control piper and multiple extension pipeline sections
On the extension path of connecting line, the extension pipeline section farthest away from positive displacement compressor connects.
Further, connecting line includes that the first connecting line, the first connecting line connect the air vent of positive displacement compressor
With the first port of cross valve, control piper includes the first control piper, the arrival end of the first control piper and the first connecting tube
Road connects.
Further, the first connecting line is provided with deafener, the first end of the first control piper and the first connecting tube
Road is connected between deafener and cross valve.
Further, connecting line includes that the second connecting line, the second connecting line connect the air entry of positive displacement compressor
With the second port of cross valve, control piper also includes that the second control piper, the arrival end of the second control piper and second connect
Pipeline connects.
Further, also including reservoir, reservoir is arranged on the pipe near positive displacement compressor of the second connecting line
Duan Shang.
Further, connecting line includes that the first connecting line and the second connecting line, the first connecting line connect transfiguration
The air vent of compressor and the first port of cross valve, the second connecting line connects the air entry of positive displacement compressor and cross valve
Second port, control piper includes the first control piper and the second control piper, and the arrival end of the first control piper and first is even
Adapter road connects, and the arrival end of the second control piper and the second connecting line connect.
Further, also including: the first valve and the second valve, the first valve is arranged in the first control piper, and second
Valve is arranged in the second control piper；Or, three-way valve, three-way valve has two imports and an outlet, and two imports are respectively
Connect the port of export and the port of export of the second control piper of the first control piper, outlet and the control refrigerant inlet of positive displacement compressor
Connection.
Further, coolant circulating system also includes converging pipeline, the first control piper and the second control piper all with
Converge pipeline to connect, converge pipeline and be connected with the control refrigerant inlet of positive displacement compressor.
Further, converge in pipeline and be provided with the first gas-liquid separator.
According to another aspect of the present utility model, it is provided that a kind of air-conditioner, air-conditioner includes above-mentioned refrigerant circulation system
System.
Application the technical solution of the utility model, will be used for controlling the control pipe of the duty of the change of positive displacement compressor
Road is connected to the position away from positive displacement compressor, and pipeline section and the positive displacement compressor of drawing control piper are spaced at least one pipeline section,
Pipeline section between control piper and positive displacement compressor can absorb certain vibration, therefore can play the effect reducing vibration.
Accompanying drawing explanation
The Figure of description of the part constituting the application is used for providing being further appreciated by of the present utility model, this practicality
Novel schematic description and description is used for explaining this utility model, is not intended that improper restriction of the present utility model.
In the accompanying drawings:
Fig. 1 shows the positive displacement compressor of the coolant circulating system according to embodiment of the present utility model, cross valve and company
The structural representation on adapter road；
Fig. 2 shows the structural representation of another angle of Fig. 1；
Fig. 3 shows the top view of Fig. 2；
Fig. 4 shows the system structure schematic diagram of the coolant circulating system of embodiment of the present utility model；
Fig. 5 shows the structural representation of the coolant circulating system of another preferred embodiment of the present utility model.
Wherein, above-mentioned accompanying drawing includes the following drawings labelling:
10, positive displacement compressor；11, reservoir；20, cross valve；30, the first connecting line；31, deafener；33, the first folding
Bend loss；34, first extends pipeline section；35, the second bending pipeline section；36, second extends pipeline section；37, the 3rd bending pipeline section；38,
Three extend pipeline section；39, the 4th extends pipeline section；41, the first control piper；42, the second control piper；43, pipeline is converged；44,
One valve；45, the second valve；46, three-way valve；47, the first gas-liquid separator；50, the second connecting line；51, the 5th extension
Section；52, four fold bend loss；53, the 6th extends pipeline section；54, the 5th bending pipeline section；55, the 7th extends pipeline section；56, the 6th folding
Bend loss；57, the 8th extends pipeline section；58, the 7th bending pipeline section；59, the 9th extends pipeline section；61, condenser；62, vaporizer；
71, first throttle assembly；72, the second orifice union；80, flash vessel；90, enthalpy QI invigorating pipeline is increased；91, valve is controlled；92, second
Gas-liquid separator.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Combination mutually.Describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Embodiment one:
As shown in Figure 1, Figure 2 and Figure 4, the coolant circulating system of the present embodiment includes positive displacement compressor 10, cross valve 20, cold
Condenser 61 and vaporizer 62.Four ports of cross valve 20 connect the air vent of positive displacement compressor 10, positive displacement compressor 10 respectively
Air entry, condenser 61 and vaporizer 62.
As depicted in figs. 1 and 2, the connecting line being connected in the present embodiment between positive displacement compressor 10 and cross valve 20
Including multiple pipeline sections, coolant circulating system also includes control piper, and the arrival end of control piper and connecting line are connected to multiple
On the pipeline section not being close to positive displacement compressor 10 on the extension path of connecting line in pipeline section, the port of export of control piper with
The control refrigerant inlet of positive displacement compressor 10 connects with may select break-make.
In the present embodiment, connecting line includes the multiple pipeline sections arranged along the bearing of trend of connecting line, control piper
What arrival end was connected in multiple pipeline section is not close on the pipeline section of adjacent positive displacement compressor 10, so that control piper and connecting tube
The link position on road is away from positive displacement compressor 10 so that the vibration of positive displacement compressor 10 is less to be delivered in control piper.
In the present embodiment, the control piper being used for controlling positive displacement compressor 10 and changing duty is connected to away from transfiguration
The position of compressor 10, pipeline section and the positive displacement compressor 10 of drawing control piper are spaced at least one pipeline section, control piper and change
Pipeline section between positive displacement compressor 10 can absorb certain vibration, therefore can play the effect reducing vibration.
Alternatively, multiple pipeline sections include bending pipeline section and extend pipeline section, bending pipeline section and extend pipeline section be arranged alternately with
Form snakelike pipeline.Make to increase the development length of connecting line in limited space, effectively alleviate positive displacement compressor 10
Produced vibration.
Further, adjacent two extend by bending pipeline section rounding off between pipeline section, so that at connecting line
The situation that the stress of bending part is concentrated is eased.The junction avoiding the most adjacent two pipeline sections is cracking
Situation.
In the present embodiment, extend the bearing of trend of pipeline section and the axial consistent of positive displacement compressor 10.
Alternatively, the arrival end of control piper is connected with extending pipeline section.Owing to bending pipeline section is arranged on the end of extension pipeline section
Portion, therefore the vibration of the pipeline section of bending is more serious than extending pipeline section, is connected to control piper extend on pipeline section and is also beneficial to reduce
The vibration of system.
In the present embodiment, connecting line includes in multiple extension pipeline section, the arrival end of control piper and multiple extension pipeline sections
On the extension path of connecting line farthest away from positive displacement compressor 10 extension pipeline section connect.
In the present embodiment, connecting line includes multiple extension pipeline section, and multiple extension pipeline sections are along the extension path of connecting line
Arranging, the extension pipeline section being connected with the arrival end of control piper is the extension in multiple extension pipeline section farthest away from positive displacement compressor 10
Pipeline section, hence in so that control piper is away from positive displacement compressor 10, reduces the vibration that positive displacement compressor 10 is delivered on control piper.
Shown in Fig. 1 and 3, connecting line includes that the first connecting line 30, the first connecting line 30 connect transfiguration compression
The air vent of machine 10 and the first port of cross valve 20, control piper includes the first control piper 41, the first control piper 41
Arrival end and the first connecting line 30 connect.
Alternatively, being provided with deafener 31 in the first connecting line 30, the first end of the first control piper 41 and first is even
Adapter road 30 is connected between deafener 31 and cross valve 20.Owing to deafener 31 can absorb certain vibration, first controls
Pipeline 41 is connected to the downstream of deafener 31, it is also possible to play the effect reducing vibration.
As it is shown in figure 1, the first connecting line 30 includes connecting the first bending pipeline section 33 of positive displacement compressor 10 and with first
The first extension pipeline section 34 that bending pipeline section 33 connects.The arrival end of the first bending pipeline section 33 is connected to the aerofluxus of positive displacement compressor 10
On mouth, the port of export of the first bending pipeline section 33 and first extends pipeline section 34 and connects, and the air vent of positive displacement compressor 10 and first prolongs
Stretching pipeline section 34 and be positioned at the same side of the first bending pipeline section 33, the first bending pipeline section 33 extends pipeline section 34 and transfiguration pressure to back to first
Arch upward in the side of the air vent of contracting machine 10, thus the air vent and first forming positive displacement compressor 10 extends the round and smooth mistake of pipeline section 34
Cross.
In the present embodiment, deafener 31 is arranged on the first extension pipeline section.
First connecting line 30 also includes the second extension pipeline section 36, and second extends pipeline section 36 and first extends between pipeline section 34
Being connected by the second bending pipeline section 35, second extends pipeline section 36 is positioned at the same of the second bending pipeline section 35 with the first extension pipeline section 34
Side, and the second bending pipeline section 35 to back to second extend pipeline section 36 with first extension pipeline section 34 direction arch upward.Preferably, second
Bending pipeline section 35 is curved.
First connecting line 30 also includes the 3rd extension pipeline section 38, and the 3rd extends pipeline section 38 and second extends between pipeline section 36
Connected by the 3rd bending pipeline section 37.3rd extends pipeline section 38 is positioned at the same of the 3rd bending pipeline section 37 with the second extension pipeline section 36
Side, the 3rd bending pipeline section 37 arches upward with the second direction extending pipeline section 36 to back to the 3rd extension pipeline section 38.
In the present embodiment, the first control piper 41 is connected on the 3rd extension pipeline section 38.Preferably, the first control piper 41
It is connected to the middle part of the 3rd extension pipeline section 38.Preferably, the first control piper 41 is connected to the 3rd extension pipeline section 38 by threeway
On.
In the present embodiment, the first connecting line 30 also includes the 4th extension pipeline section 39, and the 4th extends pipeline section 39 passes through bending
Pipeline section and the 3rd extends pipeline section 38 and connects, and the 4th the first end and the 3rd extending pipeline section 39 extends pipeline section 38 and connects, and the 4th extends
Second end of pipeline section 39 is connected with cross valve 20.
As in figure 2 it is shown, connecting line includes that the second connecting line 50, the second connecting line 50 connect positive displacement compressor 10
Air entry and the second port of cross valve 20, control piper also includes the second control piper 42, the entrance of the second control piper 42
End is connected with the second connecting line 50.
Coolant circulating system also include reservoir 11, reservoir 11 be arranged on the second connecting line 50 near transfiguration pressure
On the pipeline section of contracting machine 10.
Reservoir 11 is fixed on the periphery of positive displacement compressor 10, and the entrance point of reservoir 11 connects with cross valve 20, liquid storage
The port of export of device 11 connects with the air entry of positive displacement compressor 10, and reservoir 11 can play the effect of gas-liquid separation, and will divide
The gaseous coolant separated out is delivered to the air entry of positive displacement compressor 10, plays the effect preventing air entry from sucking liquid refrigerants, has
It is beneficial to avoid the occurrence of the phenomenon of liquid hammer.
As in figure 2 it is shown, second connecting line 50 of the present embodiment includes the 5th extension pipeline section 51, the 5th extends pipeline section 51
Bearing of trend is axial consistent with positive displacement compressor 10.Preferably, during reservoir 11 is arranged on the 5th extension pipeline section 51.
Second connecting line 50 also includes that the 6th extension pipeline section 53, the 6th extension pipeline section 53 and the 5th extension pipeline section 51 pass through
Four fold bend loss 52 connects, and the 6th extension pipeline section 53 and the 5th extension pipeline section 51 are positioned at the same side of four fold bend loss 52,
Four fold bend loss 52 arches upward to the direction extending pipeline section 53 and the 5th extension pipeline section 51 back to the 6th.So that the 6th extends
Pipeline section 53 and the 5th extends rounding off connection between pipeline section 51.
Second connecting line 50 also includes the 7th extension pipeline section 55, and the 7th extends pipeline section 55 passes through with the 6th extension pipeline section 53
5th bending pipeline section 54 connects, and the 6th extension pipeline section 53 and the 7th extension pipeline section 55 are positioned at the same side of the 5th bending pipeline section 54,
5th bending pipeline section 54 arches upward to the direction extending pipeline section 53 and the 7th extension pipeline section 55 back to the 6th.So that the 6th extends
Pipeline section 53 and the 7th extends rounding off connection between pipeline section 55.
Second connecting line 50 also includes the 8th extension pipeline section 57, and the 7th extends pipeline section 55 passes through with the 8th extension pipeline section 57
6th bending pipeline section 56 connects, and the 8th extension pipeline section 57 and the 7th extension pipeline section 55 are positioned at the same side of the 6th bending pipeline section 56,
6th bending pipeline section 56 arches upward to the direction extending pipeline section 57 and the 7th extension pipeline section 55 back to the 8th.So that the 8th extends
Pipeline section 57 and the 7th extends rounding off connection between pipeline section 55.
Second connecting line 50 also includes the 9th extension pipeline section 59, and the 9th extends pipeline section 59 passes through with the 8th extension pipeline section 57
7th bending pipeline section 58 connects, and the 8th extension pipeline section 57 and the 9th extension pipeline section 59 are positioned at the same side of the 7th bending pipeline section 58,
7th bending pipeline section 58 arches upward to the direction extending pipeline section 57 and the 9th extension pipeline section 59 back to the 8th.So that the 8th extends
Pipeline section 57 and the 9th extends rounding off connection between pipeline section 59.
9th the first end extending pipeline section 59 and the 7th bending pipeline section 58 connect, and the 9th extends second end and four of pipeline section 59
Logical valve 20 connects.Second control piper 42 is connected on the 9th extension pipeline section 59.
Connecting line includes the first connecting line 30 and the second connecting line 50, and the first connecting line 30 connects transfiguration compression
The air vent of machine 10 and the first port of cross valve 20, the second connecting line 50 connects air entry and the four-way of positive displacement compressor 10
Second port of valve 20, control piper includes the first control piper 41 and the second control piper 42, entering of the first control piper 41
Mouth end and the first connecting line 30 connect, and arrival end and second connecting line 50 of the second control piper 42 connect.
As shown in Figure 4, in the present embodiment, coolant circulating system also includes the first valve 44 and the second valve 45, first
Valve 44 is arranged in the first control piper 41, and the second valve 45 is arranged in the second control piper 42.
Coolant circulating system also includes converging pipeline 43, the first control piper 41 and the second control piper 42 all with converge
Pipeline 43 connects, and converges pipeline 43 and is connected with the control refrigerant inlet of positive displacement compressor 10.
Converge and pipeline 43 is provided with the first gas-liquid separator 47, for preventing the coolant of liquid from entering positive displacement compressor 10
Control refrigerant inlet.
Alternatively, coolant circulating system also include flash vessel 80, flash vessel 80 have coolant import, gaseous coolant outlet and
Liquid refrigerants exports.Wherein coolant import and the outlet of condenser 61, the liquid refrigerants outlet of flash vessel 80 and vaporizer
The inlet communication of 62, the gaseous coolant outlet of flash vessel 80 and the increasing enthalpy gas supplementing opening of positive displacement compressor 10 are by increasing enthalpy QI invigorating pipeline
90 connections.
In the present embodiment, between coolant import and the condenser 61 of flash vessel 80, it is provided with first throttle assembly 71, flash distillation
It is provided with the second orifice union 72 between liquid refrigerants outlet and the vaporizer 62 of device 80.
Alternatively, increase and on enthalpy QI invigorating pipeline 90, be provided with control valve 91 and the second gas-liquid separator 92.
In the present embodiment, the first valve 44 and the second valve 45 are electromagnetism two-port valve.
According to theory analysis, determine low pressure, the high pressure spot most preferably introduced to the control refrigerant inlet of positive displacement compressor 10, and
Introduce some place introducing pressure from optimal low pressure, high pressure, i.e. from cross valve 20 to the air vent of positive displacement compressor 10 the
Introduce pressure Pa on the straight length of one connecting line 30, and control its introducing positive displacement compressor 10 by electromagnetism two-port valve break-make
Pressure, from cross valve 20 to the air entry of positive displacement compressor 10 the second connecting line 50 straight length introduce pressure
Pa, thus realize transfiguration control.Systematic schematic diagram is illustrated in fig. 1 shown below, and major control mode is as follows:
1. refrigeration mode
When being in refrigeration mode, at the first valve 44, Pa is high pressure, and at the second valve 45, Pb is low pressure, according to compressor
Transfiguration principle, when
When A, the first valve 44 lead to and the second valve 45 closes, now compressor introduces pressure Pa, works for triplex (multi-cylinder)
Pattern；
When B, the first valve 44 break and the second valve 45 leads to, now compressor introduces pressure Pb, is two cylinders (commonly) work
Pattern；
When C, the first valve 44, B all disconnect, before compressor keeps, state is run.
2. heating mode
When being in heating mode, at the first valve 44, Pa is still high pressure, and at the second valve 45, Pb is still low pressure, root
According to compressor transfiguration principle, when
When A, the first valve 44 lead to and the second valve 45 closes, now compressor introduces pressure Pa, works for triplex (multi-cylinder)
Pattern；
When B, the first valve 44 break and the second valve 45 leads to, now compressor introduces pressure Pb, is two cylinders (commonly) work
Pattern；
When C, the first valve 44 and the second valve 45 all disconnect, before compressor keeps, state is run.
According to the another aspect of the application, the present embodiment also discloses a kind of air-conditioner, and air-conditioner includes above-mentioned stating
Coolant circulating system.
Embodiment two:
The difference of the present embodiment one is: coolant circulating system also includes that three-way valve 46, three-way valve 46 have two imports
With an outlet, two imports connect the port of export and the port of export of the second control piper 42 of the first control piper 41 respectively, go out
Mouth connects with the control refrigerant inlet of positive displacement compressor 10.
In the present embodiment, three-way valve 46 is three-way solenoid valve.
Determine optimal introduce low pressure to the control refrigerant inlet of positive displacement compressor 10, high pressure introduces point, and from optimal
Low pressure, high pressure introduce some place and introduce low, high pressure respectively, i.e. from cross valve 20 to the first company the air vent of positive displacement compressor 10
Pressure Pa is introduced, from cross valve 20 to the second connecting line the air entry of positive displacement compressor 10 on the straight length on adapter road 30
Pressure Pb is introduced, as shown in Figure 5 on the straight length of 50.And control its introducing positive displacement compressor 10 by three-way solenoid valve power on/off
Pressure, when introduce high pressure time, positive displacement compressor is in two cylinders (commonly) mode of operation, when introducing low pressure time, positive displacement compressor
10 is triplex (multi-cylinder) mode of operation, thus the transfiguration realizing compressor controls.Systematic schematic diagram is as it is shown in figure 1, major control
Mode is as follows:
1. refrigeration mode
When being 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 three-way valve 46 operation principle, when
When A, three-way solenoid valve power-off, now positive displacement compressor 10 introduces pressure Pa, and positive displacement compressor 10 is that triplex is (many
Cylinder) mode of operation；
When B, three-way solenoid valve obtain electric, now positive displacement compressor 10 introduces pressure Pb, and positive displacement compressor 10 is that two cylinders are (general
Logical) mode of operation.
2. heating mode
When being in heating mode, it is still high pressure at three-way solenoid valve Pa, at three-way solenoid valve Pb, is still low pressure, root
According to compressor transfiguration principle and three-way valve operation principle, when
When A, three-way solenoid valve power-off, now compressor introduces pressure Pa, and compressor is triplex (multi-cylinder) mode of operation；
When B, three-way solenoid valve obtain electric, now compressor introduces pressure Pb, and compressor is two cylinders (commonly) mode of operation.
These are only preferred embodiment of the present utility model, be not limited to this utility model, for this area
Technical staff for, this utility model can have various modifications and variations.It is all within spirit of the present utility model and principle,
Any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (14)
1. a coolant circulating system, it is characterised in that include positive displacement compressor (10), cross valve (20) and connect described transfiguration
Compressor (10) and the connecting line of described cross valve (20), described connecting line includes multiple pipeline section, described refrigerant circulation system
System also includes control piper, the arrival end of described control piper and described connecting line be connected in multiple described pipeline section in institute
State on the described pipeline section not being close to described positive displacement compressor (10) on the extension path of connecting line, going out of described control piper
Mouth end controls refrigerant inlet with the transfiguration of described positive displacement compressor (10) and connects with may select break-make.
Coolant circulating system the most according to claim 1, it is characterised in that the plurality of pipeline section include bending pipeline section and
Extending pipeline section, described bending pipeline section and described extension pipeline section are arranged alternately to form snakelike pipeline.
Coolant circulating system the most according to claim 2, it is characterised in that the bearing of trend of described extension pipeline section is with described
Positive displacement compressor (10) axially consistent.
Coolant circulating system the most according to claim 2, it is characterised in that the arrival end of described control piper prolongs with described
Stretch pipeline section to connect.
Coolant circulating system the most according to claim 4, it is characterised in that described connecting line includes multiple extension
Section, in the arrival end of described control piper and multiple described extension pipeline sections on the extension path of described connecting line farthest away from
The described extension pipeline section of described positive displacement compressor (10) connects.
Coolant circulating system the most according to any one of claim 1 to 5, it is characterised in that described connecting line includes
First connecting line (30), described first connecting line (30) connects the air vent of described positive displacement compressor (10) and described four-way
First port of valve (20), described control piper includes the first control piper (41), the entrance of described first control piper (41)
End is connected with described first connecting line (30).
Coolant circulating system the most according to claim 6, it is characterised in that be provided with in described first connecting line (30)
Deafener (31), the first end of described first control piper (41) and described first connecting line (30) are connected to described deafener
(31) and between described cross valve (20).
Coolant circulating system the most according to any one of claim 1 to 5, it is characterised in that described connecting line includes
Second connecting line (50), described second connecting line (50) connects the air entry of described positive displacement compressor (10) and described four-way
Second port of valve (20), described control piper also includes the second control piper (42), entering of described second control piper (42)
Mouth end is connected with described second connecting line (50).
Coolant circulating system the most according to claim 8, it is characterised in that also include reservoir (11), described reservoir
(11) it is arranged on the pipeline section near described positive displacement compressor (10) of described second connecting line (50).
Coolant circulating system the most according to any one of claim 1 to 5, it is characterised in that described connecting line includes
First connecting line (30) and the second connecting line (50), described first connecting line (30) connects described positive displacement compressor (10)
Air vent and the first port of described cross valve (20), described second connecting line (50) connects described positive displacement compressor (10)
Air entry and the second port of described cross valve (20), described control piper include the first control piper (41) and second control
Pipeline (42), the arrival end of described first control piper (41) is connected with described first connecting line (30), and described second controls
The arrival end of pipeline (42) is connected with described second connecting line (50).
11. coolant circulating systems according to claim 10, it is characterised in that also include:
First valve (44) and the second valve (45), described first valve (44) is arranged in described first control piper (41),
Described second valve (45) is arranged in described second control piper (42)；Or,
Three-way valve (46), described three-way valve (46) has two imports and an outlet, and two described imports connect described respectively
The port of export of the first control piper (41) and the port of export of described second control piper (42), described outlet is compressed with described transfiguration
The control refrigerant inlet connection of machine (10).
12. coolant circulating systems according to claim 10, it is characterised in that described coolant circulating system also includes converging
Pipeline (43), all connecting with the described pipeline (43) that converges with described second control piper (42) of described first control piper (41)
Connect, described in converge pipeline (43) and be connected with the control refrigerant inlet of described positive displacement compressor (10).
13. coolant circulating systems according to claim 12, it is characterised in that described in converge pipeline (43) be provided with
One gas-liquid separator (47).
14. 1 kinds of air-conditioners, it is characterised in that described air-conditioner includes that the coolant according to any one of claim 1 to 11 follows
Loop systems.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105841409A (en) * | 2016-03-21 | 2016-08-10 | 珠海格力电器股份有限公司 | Refrigerant circulation system and air conditioner with same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105841409A (en) * | 2016-03-21 | 2016-08-10 | 珠海格力电器股份有限公司 | Refrigerant circulation system and air conditioner with same |
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