CN207515269U - Refrigerating system - Google Patents
Refrigerating system Download PDFInfo
- Publication number
- CN207515269U CN207515269U CN201721051408.7U CN201721051408U CN207515269U CN 207515269 U CN207515269 U CN 207515269U CN 201721051408 U CN201721051408 U CN 201721051408U CN 207515269 U CN207515269 U CN 207515269U
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- compression chamber
- tonifying
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- pipeline
- gas
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- 238000007906 compression Methods 0.000 claims abstract description 223
- 230000006835 compression Effects 0.000 claims abstract description 221
- 238000001704 evaporation Methods 0.000 claims abstract description 78
- 230000008020 evaporation Effects 0.000 claims abstract description 73
- 238000005057 refrigeration Methods 0.000 claims abstract description 58
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 230000001502 supplementing effect Effects 0.000 claims description 80
- 239000007788 liquid Substances 0.000 claims description 19
- 238000009833 condensation Methods 0.000 claims description 12
- 230000005494 condensation Effects 0.000 claims description 12
- 230000008676 import Effects 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 5
- 238000002156 mixing Methods 0.000 abstract description 3
- 239000003507 refrigerant Substances 0.000 description 44
- 239000000203 mixture Substances 0.000 description 15
- 239000002826 coolant Substances 0.000 description 11
- 239000012530 fluid Substances 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 210000004899 c-terminal region Anatomy 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
- 210000000529 third trochanter Anatomy 0.000 description 1
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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model provides a refrigeration system, which comprises a compressor (1), an evaporation device and a condensing device; the compressor comprises more than two independent compression cavities; the air supply device is characterized by further comprising more than one switching compression cavity, more than one air supply port and more than one air supply branch (10) positioned outside the compressor, wherein the air supply port can be connected with at least one air supply branch (10), the air suction end of the switching compression cavity is connected with the air supply port, and the air exhaust end of the switching compression cavity is connected with the air exhaust port of the compressor. Through the utility model discloses an adopt the tonifying qi to increase the technique that enthalpy and parallel compression combined together, utilize the tonifying qi branch road to make up qi and increase the enthalpy, compare original doublestage or accurate second grade tonifying qi and increase the system return circuit of enthalpy, can reduce the mixing loss of tonifying qi effectively, can also reduce the return loss and the flow resistance loss of tonifying qi to improve the effect that the tonifying qi increases the enthalpy, improve the ability of heating of this refrigerating system at low temperature, improve system's efficiency level.
Description
Technical field
The utility model belongs to air-conditioning technical field, and in particular to a kind of refrigeration system.
Background technology
The patent of publication number CN105444453A proposes a kind of dual temperature system realized using a single-stage duplex cylinder compressor
Cold and heating system by using two cylinders and its connected two four-way valves and corresponding different refrigerant circuits, is realized
Double evaporating temperature refrigeration or the heating of double condensation temperatures, dual temperature refrigeration or dual temperature are heated while step cooling or heating is realized,
Improve system energy efficiency level.
But the heating capacity of dual temperature system can decline rapid attenuation with outdoor environment temperature, to solve the problems, such as this, generally
It is double using twin-stage or quasi- two-stage compression second vapor injection increasing enthalpy technology, but in various degree there are tonifying Qi losses by mixture, return loss
Also there are the problems such as fluid resistance loss, aforementioned loss limits the hair of Gas-supplying enthalpy-increasing technique effect to a certain extent for grade tonifying Qi
It waves.
Due to refrigeration system of the prior art using twin-stage or quasi- two level Gas-supplying enthalpy-increasing can there are tonifying Qi losses by mixture, return
The technical problems such as stream loss and fluid resistance loss, therefore the utility model research and design goes out a kind of refrigeration system.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcoming refrigeration system of the prior art using twin-stage or
Quasi- two level Gas-supplying enthalpy-increasing can be there are the defects of tonifying Qi losses by mixture, so as to provide a kind of refrigeration system.
The utility model provides a kind of refrigeration system, including compressor, vaporising device and condensing unit；
The compressor includes mutually independent more than two compression chambers；
Further include more than one switching compression chamber and more than one gas supplementing opening and outside the compressor
More than one tonifying Qi branch, the gas supplementing opening can be connected at least one tonifying Qi branch, the switching compression chamber
Suction end is connected with the gas supplementing opening, its exhaust end is connected with the exhaust outlet of the compressor.
Preferably, mutually independent more than two compression chambers include the first compression chamber and the second compression chamber；
The compressor further includes two air entries, is respectively the first air entry and the second air entry, two exhausts
Mouth is respectively first row gas port and second exhaust port, and the suction end of first compression chamber is connected with first air entry, it
Exhaust end is connected with the first row gas port；The suction end of second compression chamber is connected with second air entry, its exhaust
End is connected with the second exhaust port.
Preferably, the condensing unit includes the first condenser and the second condenser that can form step heating, described
First row gas port is connected by pipeline with one end of first condenser, and the second exhaust port passes through pipeline and described second
One end of condenser is connected.
Preferably, the vaporising device includes the first evaporator and the second evaporator that can form step refrigeration, described
First air entry is connected by pipeline with one end of first evaporator, and the second exhaust port passes through pipeline and described second
One end of evaporator is connected.
Preferably, the switching compression chamber is one, is third compression chamber, and the gas supplementing opening is also one, is the first benefit
Gas port, and the suction end of the third compression chamber is connected for third suction end, with first gas supplementing opening, the third compression chamber
Exhaust end be third exhaust end, it is connected with the first row gas port.
Preferably, the first flash evaporation is additionally provided between the vaporising device and the condensing unit, described first dodges
The gas vent of hair device is connect with one end of the first tonifying Qi branch, the other end of the first tonifying Qi branch and described first
Gas supplementing opening is connected, and the first tonifying Qi branch road is additionally provided with the first tonifying Qi shut-off valve.
Preferably, when including the first condenser, the second condenser, the first evaporator and the second evaporator, described first
The other end of condenser is connected to the import of first flash evaporation by the first pipeline, the other end of second condenser passes through
Second pipeline is connected to the other end of second evaporator；The other end of first evaporator is connected to described by third pipeline
The liquid outlet of flash evaporation.
Preferably, first throttling device is provided on first pipeline, the second throttling is provided on second pipeline
Device is provided with third throttling set on the third pipeline.
Preferably, first gas supplementing opening is connected, and described first by the first bypass branch with first air entry
The first shut-off valve is provided on bypass branch.
Preferably, first compression chamber, second compression chamber and the third compression chamber are respectively mutually independent
Cylinder cavity body structure；
Alternatively, first compression chamber and the third compression chamber are separated to form by a cylinder by two slide plates
Two compression chambers, second compression chamber are the cylinder cavity individually surrounded by a cylinder；
Alternatively, second compression chamber and the third compression chamber are separated to form by a cylinder by two slide plates
Two compression chambers, first compression chamber are independent cylinder cavity；
Alternatively, first compression chamber and second compression chamber are separated to form by a cylinder by two slide plates
Two compression chambers, the third compression chamber are independent cylinder cavity.
Preferably, the switching compression chamber is two, is third compression chamber and the 4th compression chamber, and the gas supplementing opening is two
It is a, for the first gas supplementing opening and the second gas supplementing opening, and the suction end of the third compression chamber is mended for third suction end, with described first
Gas port is connected, and the exhaust end of the third compression chamber is third exhaust end, it is connected with the first row gas port；Described
The suction end of four compression chambers is third suction end, is connected with second gas supplementing opening, and the exhaust end of the 4th compression chamber is the
Three exhaust ends, it is connected with the second exhaust port.
Preferably, the first flash evaporation and the second shwoot are additionally provided between the vaporising device and the condensing unit
Device, the tonifying Qi branch include the first tonifying Qi branch and the second tonifying Qi branch；
The gas vent of first flash evaporation is connect with one end of the first tonifying Qi branch, the first tonifying Qi branch
The other end be connected with first gas supplementing opening, and the first tonifying Qi branch road be additionally provided with the first tonifying Qi shut-off valve；
The gas vent of second flash evaporation is connect with one end of the second tonifying Qi branch, the second tonifying Qi branch
The other end be connected with second gas supplementing opening, and the second tonifying Qi branch road be additionally provided with the second tonifying Qi shut-off valve.
Preferably, when including the first condenser, the second condenser, the first evaporator, the second evaporator, described first is cold
The other end of condenser be connected to by the first pipeline the import of first flash evaporation, second condenser the other end by
Two pipelines are connected to the import of second flash evaporation；The other end of first evaporator is connected to described first by third pipeline
The liquid outlet of flash evaporation, the other end of second evaporator are connected to the liquid discharge of second flash evaporation by the 4th pipeline
Mouthful.
Preferably, first throttling device is provided on first pipeline, the second throttling is provided on second pipeline
Device is provided with third throttling set on the third pipeline, the 4th throttling set is provided on the 4th pipeline.
Preferably, first gas supplementing opening is also connected by the first bypass branch with first air entry, and described
The first shut-off valve is provided on one bypass branch；
Second gas supplementing opening is also connected by the second bypass branch with second air entry, and the second bypass branch
Road is provided with the second shut-off valve.
Preferably, first compression chamber, second compression chamber and the third compression chamber, the 4th compression chamber point
It Wei not mutually independent air cylinder structure；
Alternatively, first compression chamber and the third compression chamber are separated to form by a cylinder by two slide plates
Two compression chambers and/or, second compression chamber and the 4th compression chamber are to pass through two slide plates by a cylinder to separate shapes
Into two compression chambers.
Preferably, oil is additionally provided on the gas exhaust piping being connected in the first row gas port and/or the second exhaust port
Separator, the oil outlet of the oil eliminator are connected to the repairing end of the compressor by oil return capillary.
A kind of refrigeration system provided by the utility model has the advantages that：
The refrigeration system of the utility model by using Gas-supplying enthalpy-increasing with the parallelly compressed technology being combined, utilizes tonifying Qi
Branch carries out Gas-supplying enthalpy-increasing, for the system circuit for playing original twin-stage or quasi- two level Gas-supplying enthalpy-increasing, can effectively drop
The losses by mixture of low tonifying Qi, moreover it is possible to reduce the return loss and fluid resistance loss of tonifying Qi, so as to improve the effect of Gas-supplying enthalpy-increasing,
The heating capacity of the refrigeration system at low temperature is improved, it is horizontal to improve system energy efficiency.Meanwhile by setting tonifying Qi branch, normal
Also can parallelly compressed auxiliary compression chamber be switched by tonifying Qi branch under warm operating mode, equally improve heating performance.
Description of the drawings
Fig. 1 is the system construction drawing of the embodiment 1 of the refrigeration system of the utility model；
Fig. 2 a are the first connection mode structure chart of three compression chambers of the embodiment 1 of the utility model；
Fig. 2 b are second of connection mode structure chart of three compression chambers of the embodiment 1 of the utility model；
Fig. 3 a are that the first compression chamber of the embodiment 1 of the utility model is the structure chart of individual cylinder；
Fig. 3 b are that the second compression chamber of the embodiment 1 of the utility model is the structure chart of individual cylinder；
Fig. 3 c are that the third compression chamber of the embodiment 1 of the utility model is the structure chart of individual cylinder；
Fig. 4 be the embodiment 1 of the utility model first and three compression chamber be modular cylinder structure chart；
Fig. 5 is the system construction drawing of the embodiment 2 of the refrigeration system of the utility model；
Fig. 6 a are the first connection mode structure chart of three compression chambers of the embodiment 2 of the utility model；
Fig. 6 b are second of connection mode structure chart of three compression chambers of the embodiment 2 of the utility model；
Fig. 6 c are the third connection mode structure chart of three compression chambers of the embodiment 2 of the utility model；
Fig. 6 d are the 4th kind of connection mode structure chart of three compression chambers of the embodiment 2 of the utility model；
Fig. 7 a be the embodiment 2 of the utility model first and three compression chamber be modular cylinder structure chart；
Fig. 7 b be the embodiment 2 of the utility model second and four compression chamber be modular cylinder structure chart.
Reference numeral is expressed as in figure：
1st, compressor；21st, the first four-way valve；22nd, the second four-way valve；31st, the first condenser；32nd, the second condenser；41、
First throttling device；42nd, second throttling device；43rd, third throttling set；44th, the 4th throttling set；51st, the first flash evaporation；
52nd, the second flash evaporation；61st, the first evaporator；62nd, the second evaporator；7th, the first tonifying Qi shut-off valve；71st, the first pipeline；72nd,
Two pipelines；73rd, third pipeline；74th, the 4th pipeline；8th, the second tonifying Qi shut-off valve；9th, the first shut-off valve；10th, the second shut-off valve；
11st, the first tonifying Qi branch；12nd, the second tonifying Qi branch；13rd, oil eliminator；14th, oil return capillary；15th, repairing end；A, the first pressure
Contracting chamber；B, the second compression chamber；C, third compression chamber；A, the first air entry；B, the second air entry；C, gas supplementing opening；D, first exhaust
Mouthful；E, second exhaust port；Ac, the first bypass branch；Bf, the second bypass branch；
101st, the first suction inlet；102nd, the second suction inlet；103rd, third suction inlet；111st, the first cylinder body；112、
The first rotor；113rd, the first slide plate；114th, the first compression chamber；115th, the first slide plate chamber；116th, the first spring；117th, first row
Gas exports；121st, the second cylinder body；122nd, the second rotor；123rd, the second slide plate；124th, the second compression chamber；125th, the second slide plate
Chamber；126th, second spring；127th, second exhaust exports；131st, third cylinder body；132nd, third trochanter；133rd, third slide plate；134、
Third compression chamber；135th, third slide plate chamber；136th, third spring；137th, third air exit；
211st, the first assembly cylinder-body；212nd, the first combined rotor；213rd, the first combination slide plate；222nd, the first combination compression chamber
Body；215th, the first combination slide plate chamber；216th, the first cluster spring；217th, the first combination exhaust exports；201st, the first combination air-breathing
Import；220th, the second combination slide plate；214th, the second combination compression chamber；218th, the second combination slide plate chamber；219th, the second combination bullet
Spring；221st, the second combination exhaust exports；202nd, the second combination suction inlet；
311st, the second assembly cylinder-body；312nd, the second combined rotor；313rd, third combination slide plate；322nd, the by combination compression chamber
Body；315th, third combination slide plate chamber；316th, third cluster spring；317th, third combination exhaust exports；301st, third combination air-breathing
Import；320th, the 4th combination slide plate；314th, the 4th combination compression chamber；318th, the 4th combination slide plate chamber；319th, the 4th combination bullet
Spring；321st, the 4th combination exhaust exports；302nd, the 4th combination suction inlet.
Specific embodiment
As shown in Figure 1, the utility model provides a kind of refrigeration system, including compressor 1, throttling set, vaporising device
And condensing unit；
The compressor includes mutually independent more than two compression chambers；
It further includes and more than one switching compression chamber (also phase between compression chamber more than switching compression chamber and above-mentioned two
It is mutually independent) and more than one gas supplementing opening and the more than one tonifying Qi branch outside the compressor, the benefit
Gas port can be connected at least one tonifying Qi branch, and the suction end for switching compression chamber is connected with the gas supplementing opening, it
Exhaust end is connected with the exhaust outlet of the compressor.
By adding more than one switching compression chamber and one on the basis of original parallel single-stage duplex cylinder compressor
Above gas supplementing opening, and cause switching compression chamber suction end is connected with gas supplementing opening, exhaust end is connected and mends with exhaust outlet of compressor
Gas port is connected by tonifying Qi branch and (can form tonifying Qi), and the tonifying Qi that the switching added compression chamber completes system can be utilized to increase
Enthalpy, it is original double compared to rising using tonifying Qi branch progress Gas-supplying enthalpy-increasing using Gas-supplying enthalpy-increasing with the parallelly compressed technology being combined
For the system circuit of grade or quasi- two level Gas-supplying enthalpy-increasing, the losses by mixture of tonifying Qi can be effectively reduced, moreover it is possible to reduce tonifying Qi
Return loss and fluid resistance loss, this is because original Two-stage Compression is mostly realized using double-compressor or the series connection of unit twin-tub,
In compression process, the refrigerant come out from evaporator is needed by the suction and discharge of level-one cylinder, mixing and secondary cylinder suction and discharge.
And it is parallelly compressed, it is that the refrigerant come out from evaporator is only needed by a suction and discharge process, therefore flowing resistance can be reduced
Power is lost.Simultaneously as compressor arrangement limits, mixing chamber is smaller, and there are losses by mixture, and level-one exhaust mixes not with tonifying Qi
Fully, it is parallelly compressed to effectively overcome this point.So as to improve the effect of Gas-supplying enthalpy-increasing, the refrigeration system is improved in low temperature
Under heating capacity, it is horizontal to improve system energy efficiency.Meanwhile by setting the first bypass branch ac and/or the second bypass branch bf,
Parallelly compressed auxiliary compression chamber can also be switched by bypass branch under room temperature operating mode, equally improve heating performance.
Preferably, mutually independent more than two compression chambers include the first compression chamber A and the second compression chamber B (solely
It is vertical refer to it is non-interference between compression chamber)；
The exhaust outlet includes first row gas port d and second exhaust port e, and the air entry includes the first air entry a and the
Two air entry b, the suction end of first compression chamber is connected with the first air entry a, its exhaust end and the first exhaust
Mouth d is connected；The suction end of second compression chamber is connected with the second air entry b, its exhaust end and the second exhaust port e
It is connected.
This is the preferred constructive form of the mutually independent compression chambers of two or more of the utility model, i.e. two compression chambers with
And the air-breathing that is independently connected of each compression chamber and exhaust, so as to ensure in compressor two compression processes by complete independently, so as to
To realize that the heating of twin-stage step or refrigeration provide service condition.
Preferably, the condensing unit includes the first condenser 31 and the second condenser 32 that can form step heating,
The first row gas port d is connected by pipeline with one end of first condenser 31, the second exhaust port e by pipeline with
One end of second condenser 32 is connected.As shown in Figure 1,5.
This is the preferred constructive form and connection mode of the condensing unit of the utility model refrigeration system, structure type energy
Enough completed by a condenser to outdoor heating effect or indoor heating effect or its structure type can be passed through
Two condensers are to outdoor or indoor formation step heating, so as to improve the heating effect to indoor or outdoors so that system
Thermal energy power is enhanced.
Preferably, the vaporising device includes the first evaporator 61 and the second evaporator 62 that can form step refrigeration,
The first air entry a is connected by pipeline with one end of first evaporator 61, the second exhaust port b by pipeline with
One end of second evaporator 62 is connected.Such as Fig. 1,5.
This is the preferred constructive form and connection mode of the vaporising device of the utility model refrigeration system, passes through an evaporation
The structure type of device can be completed by an evaporator to outdoor refrigeration or to indoor refrigeration, pass through two
The structure type of evaporator can freeze to outdoor or indoor formation step by two evaporators, so as to improve to interior
Or outdoor refrigeration effect so that refrigerating capacity is enhanced.
Embodiment 1
Such as Fig. 1, it is preferable that it is described switching compression chamber be one, be third compression chamber C, the gas supplementing opening c also for one,
For the first gas supplementing opening c, and the suction end of the third compression chamber C is connected for third suction end, with the first gas supplementing opening c, institute
The exhaust end for stating third compression chamber C is third exhaust end, it is connected with the first row gas port d.This is the utility model
Refrigeration system embodiment 1 parallel individual cylinder and switch compression chamber preferred number, the preferred number of gas supplementing opening and connection
Switching compression chamber and gas supplementing opening are disposed as one, and the suction end of third compression chamber is connected with the first gas supplementing opening by mode,
It can be by the first gas supplementing opening inspiration refrigerant (refrigerant come from the first tonifying Qi branch of refrigeration system), in third compression chamber
It is discharged outside compressor via first row gas port d by its exhaust end after compression, increased so as to complete third compression chamber as tonifying Qi again
The Gas-supplying enthalpy-increasing effect of enthalpy cylinder (third compression chamber and the first and second compression chambers are also mutually independent).
Such as Fig. 1, it is preferable that be additionally provided with the first flash evaporation 51, institute between the vaporising device and the condensing unit
It states tonifying Qi branch and includes the first tonifying Qi branch 11, the gas vent of first flash evaporation 51 and the first tonifying Qi branch 11
One end connects, the other end of the first tonifying Qi branch 11 is connected, and the first tonifying Qi branch 11 with the first gas supplementing opening c
On be additionally provided with the first tonifying Qi shut-off valve 7.Pressure shwoot is made in being carried out by the first flash evaporation to the refrigerant in refrigeration system
With so that shwoot forms gas coolant part and liquid coolant part, and gas coolant part is led by the first tonifying Qi branch
Into compressor, the tonifying Qi to compressor can be completed and the increasing enthalpy of whole system is acted on, pass through the first tonifying Qi shut-off valve
7 can effectively control the refrigerant flowing in the first tonifying Qi branch.
Preferably, when including the first condenser 31, the second condenser 32, the first evaporator 61, the second evaporator 62, institute
State the other end of the first condenser 31 by the first pipeline 71 be connected to first flash evaporation 51 import, second condensation
The other end of device 32 is connected to the other end of second evaporator 62 by the second pipeline 72；First evaporator 61 it is another
End is connected to the liquid outlet of first flash evaporation 51 by third pipeline 73.
The refrigerant after one or more condenser heat rejection can be carried out in a manner that the first flash evaporation is set
It stores and shwoot can be carried out to complete Gas-supplying enthalpy-increasing to refrigerant when tonifying Qi branch is connected, flash evaporation can play storage
The effect of liquid can also play the role of shwoot tonifying Qi, then be connected to by pipeline and need to be evaporated the more than one of heat absorption
In evaporator, the equilibrium of refrigerant temperature is realized, realize the effect of the Balance route of indoor temperature, improve refrigerating efficiency.
Preferably, first throttling device 41 is provided on first pipeline 71, is provided on second pipeline 72
Two throttling sets 42 are provided with third throttling set 43 on the third pipeline 73.By being set between condenser and flash evaporation
The throttling set put can carry out reducing pressure by regulating flow to the refrigerant before entering flash evaporation, two phase refrigerant be pressed in formation, gas leads to
It crosses tonifying Qi branch and forms tonifying Qi, can be to be steamed into before evaporator in this way so as to be depressured coolant throttle into two-phase fluid
Hair heat absorption offer condition.
Preferably, the first gas supplementing opening c is connected (Fig. 2 a) by the first bypass branch ac with the first air entry a,
And it is provided with the first shut-off valve 9 on the first bypass branch ac.By by the first gas supplementing opening c by the first bypass branch ac with
First air entry a is connected, and can introduce refrigerant from the first air entry by the first bypass branch ac, so as to being inhaled by first
The coolant quantity that gas port a enters in the first compression chamber is controlled, can be to the first bypass branch by the setting of the first shut-off valve 9
The break-make on road forms control.
One in the air entry in two parallel compression chambers can be connected to gas supplementing opening in this way and be connected to compressor
In more than one switching compression chamber, through switching compression chamber compression after pass through one in the exhaust outlet in parallelly compressed chamber again
Or two discharged, so as to also be able under different operating modes and temperature difference demand condition, by the connection side for switching compression chamber
Formula realizes the switching of volumetric ratio, so as to fulfill the requirement of the different evaporation temperature difference (or condensation temperature difference), so as to the efficiency of lifting system
It is horizontal；Effectively solve under the conditions of off-design behaviour, operating mode and load it is different to two evaporating temperatures (or condensation temperature)
Temperature difference requirement is different, and fixed volume than two cylinders it is poor to the adaptability of operating mode, it is (or cold that the change evaporation temperature difference can not be met
The solidifying temperature difference) requirement the technical issues of, solve the problems, such as that fixed volume is poorer than adaptability for working condition.
Such as Fig. 3 a-3c, it is preferable that the first compression chamber A, the second compression chamber B and third compression chamber C difference
For mutually independent cylinder cavity body structure (the cylinder cavity respectively individually surrounded by a cylinder).This is the utility model
Compressor in refrigeration system is the preferred constructive form of three compression chambers, the first compression chamber A, the second compression chamber B and third compression
Chamber C is respectively individual cylinder cavity (Fig. 3 a-3b), and the first compression chamber A is by the first cylinder body 111,112 and first slide plate of the first rotor
113 grades form, wherein the first slide plate 113 is arranged in the first slide plate chamber 115, and are provided with the first spring 116 wherein；In cylinder
The first suction inlet 101 and first exhaust outlet 117 are provided on body, the first suction inlet 101 is connected with the first air entry a
Logical, first exhaust outlet 117 is connected with first row gas port d；Second compression chamber B is by the second cylinder body 121,122 and of the second rotor
Second slide plate, 123 grade forms, wherein the second slide plate 123 is arranged in the second slide plate chamber 125, and is provided with second spring wherein
126, the second suction inlet 102 and second exhaust outlet 127, the second suction inlet 102 and the second air-breathing are provided on cylinder body
Mouth b is connected, and second exhaust outlet 127 is connected with second exhaust port e；Third compression chamber C is turned by third cylinder body 131, third
Son 132 and 133 grade of third slide plate composition, wherein third slide plate 133 is arranged in third slide plate chamber 135, and is provided with wherein
Third spring 136, is provided with third suction inlet 103 and third air exit 137 on third cylinder body 131, third air-breathing into
Mouth 103 is connected with gas supplementing opening c, and third air exit 137 is connected with first row gas port d.
Such as Fig. 4, it is preferable that the first compression chamber A and third compression chamber C is to pass through two slide plates by a cylinder
Two compression chambers being separated to form, the second compression chamber B are independent the cylinder (cylinder i.e. individually to be surrounded by a cylinder
Cavity).
This is preferred constructive form of the compressor in the utility model refrigeration system for combined type compression chamber, wherein first
It is by a cylinder with third compression chamber A and C and passes through two compression chambers (Fig. 4) that two slide plates are separated to form, first and
Three compression chamber A and C combine slide plate by the first assembly cylinder-body 211, the first combined rotor 212, first combination slide plate 213 and second
220 grades form, wherein the first combination slide plate 213 is arranged in the first combination slide plate chamber 215, and be provided with the first combination wherein
Spring 216, the second combination slide plate 220 are arranged in the second combination slide plate chamber 218, and be provided with the second cluster spring wherein
219；The first combination suction inlet 201, second combination suction inlet 202 and first group are provided on the first assembly cylinder-body 211
Air exit 217, the second combination exhaust outlet 221 are closed, the first combination suction inlet 201 is connected with the first air entry a, and second
Combination suction inlet 202 be connected with gas supplementing opening c, the first combination exhaust outlet 217 and second combination exhaust outlet 221 respectively with
First row gas port d is connected.
The utility model provides a kind of refrigeration system, and the refrigeration system is by compressor 1, four-way valve 21 and 22, first
31 and second condenser 32 of condenser, first throttling device 41, second throttling device 42, the first flash evaporation 51, third throttling dress
The compositions such as the 43, the 4th throttling set 44, the first evaporator 61 and the second evaporator 62 are put, and passes through refrigerant line and connects successively
It connects, compressor 1 is provided with the first to the second air entry a, b and the first gas supplementing opening c, the first and second exhaust outlet d and e, compressor
First air entry a is connect with the S ends of four-way valve 21, and the first d of exhaust outlet of compressor is connected with the D ends of four-way valve 21, four-way valve 21
C-terminal and E ends connect the first condenser 31 and the first evaporator 61 respectively, the S ends of compressor the second air entry b and four-way valve 22
Connection, compressor second exhaust port e are connect with the D ends of four-way valve 22, and the C-terminal of four-way valve 22 and E ends connect the first condensation respectively
31 and first evaporator 61 of device, first throttling device 41 are arranged between the first condenser 31 and the first flash evaporation 51, the second section
Stream device 42 is arranged between the second condenser 32 and the second evaporator 62, and third throttling set 43 is arranged on the first evaporator 61
And first between flash evaporation 51, the first bypass branch ac is provided between compressor the first air entry a and gas supplementing opening c, first
The first shut-off valve 9 is provided on bypass branch ac.It is set between 51 gas vent of compressor the first gas supplementing opening c and the first flash evaporation
There is the first tonifying Qi branch 11, the first tonifying Qi shut-off valve 7 is provided on the first tonifying Qi branch 11.
Illustrate system operation by taking heating operation mode as an example below：
The method of operation one：During room temperature heating operation, the first tonifying Qi shut-off valve 7 is closed and the first shut-off valve 9 is opened, and forms figure
Connection mode in 2a.By the refrigerant of the first compression chamber A and third compression chamber C high temperature and pressure discharged through first row gas port d
Overheated gas enters the first condenser 31 through four-way valve 21, becomes the refrigerant liquid of medium temperature high pressure after condensation heat release, through first
Become the two-phase mixture of low-temp low-pressure after 43 reducing pressure by regulating flow of throttling set 41, the first flash evaporation 51 and third throttling set, into
Enter evaporation endothermic in the first evaporator 61, become the refrigerant superheat gas of low-temp low-pressure through the first air entry a and gas supplementing opening c into
Enter and compressed in the first compression chamber A and third compression chamber C；By the refrigerant of the second compression chamber B high temperature and pressure that e is discharged after exhaust
Overheated gas enters the second condenser 32 through four-way valve 22, becomes the refrigerant liquid of medium temperature high pressure after condensation heat release, through second
Become the two-phase mixture of low-temp low-pressure after 42 reducing pressure by regulating flow of throttling set, the evaporation endothermic into the second evaporator 62 becomes
The refrigerant superheat gas of low-temp low-pressure, which enters through the second air entry b in compression chamber B, to be compressed.At this point, in the second condenser 32
(Cryogenic air first passes through to be heated, into one the condensing pressure that condensing pressure is higher than in the first condenser 31 in the first condenser 31
Step forms stepped heating, therefore the exothermic temperature of the second condenser is more than the first temperature using being heated in the second condenser 32
Degree), form step heating；And the evaporating pressure in the first evaporator 61 and the second evaporator 62 may be the same or different.
The method of operation two：When low-temperature heating is run, the first tonifying Qi shut-off valve 7 is opened, and the first shut-off valve 9 is closed, and forms figure
Connection mode in 2b.By the refrigerant of the first compression chamber A and third compression chamber C high temperature and pressure discharged through first row gas port d
Overheated gas enters the first condenser 31 through four-way valve 21, becomes the refrigerant liquid of medium temperature high pressure after condensation heat release, through first
Throttling set 41, the first flash evaporation 51, in flash evaporation 5, refrigerant gas and liquid separation, refrigerant liquid throttle through third
Become the two-phase mixture of low-temp low-pressure after 43 reducing pressure by regulating flow of device, the evaporation endothermic into the first evaporator 61 becomes low temperature
The refrigerant superheat gas of low pressure, which enters through the first air entry a in the first compression chamber A, to be compressed, the refrigerant gas that flash evaporation 5 comes out
Body, which enters through gas supplementing opening c in compression chamber C, to be compressed；By the refrigerant superheat of the second compression chamber B high temperature and pressure that d is discharged after exhaust
Gas enters the second condenser 32 through four-way valve 22, becomes the refrigerant liquid of medium temperature high pressure after condensation heat release, through the second throttling
Become the two-phase mixture of low-temp low-pressure after 42 reducing pressure by regulating flow of device, the evaporation endothermic into the second evaporator 62 becomes low temperature
The refrigerant superheat gas of low pressure, which enters through the second air entry b in the second compression chamber B, to be compressed.At this point, in the second condenser 32
Condensing pressure is higher than the condensing pressure in the first condenser 31, forms step heating.And in the first and second evaporators 61 and 62
Evaporating pressure may be the same or different.
Embodiment 2
Such as Fig. 5-7b, compression chamber is two, is third compression chamber C and the 4th compression chamber D for the switching, and the gas supplementing opening is
Two, for the first gas supplementing opening c and the second gas supplementing opening f, and the suction end of the third compression chamber C for third suction end, with it is described
First gas supplementing opening c is connected, and the exhaust end of the third compression chamber C is third exhaust end, itself and the first row gas port d phases
Even；The suction end of the 4th compression chamber D is connected for third suction end, with the second gas supplementing opening f, the 4th compression chamber D
Exhaust end be third exhaust end, it is connected with the second exhaust port e.
This be the refrigeration system embodiment 2 of the utility model parallel individual cylinder and switch compression chamber preferred number,
Switching compression chamber and gas supplementing opening are disposed as two by the preferred number and connection mode of gas supplementing opening, and by third compression chamber
Suction end is connected with the first gas supplementing opening, can by the first gas supplementing opening inspiration refrigerant (from the first tonifying Qi branch of refrigeration system and
The refrigerant come), it is discharged outside compressor via first row gas port d by its exhaust end again after being compressed in third compression chamber, so as to
Complete third compression chamber as Gas-supplying enthalpy-increasing cylinder Gas-supplying enthalpy-increasing act on (third compression chamber and the first and second compression chambers are also equal
Independently of each other)；The suction end of 4th compression chamber is connected with the second gas supplementing opening, can by the second gas supplementing opening inspiration refrigerant (from
Second tonifying Qi branch of refrigeration system and come refrigerant), in the 4th compression chamber compress after again by its exhaust end via second
Outside exhaust outlet e discharge compressors, so as to complete Gas-supplying enthalpy-increasing effect (fourth compression of the 4th compression chamber as Gas-supplying enthalpy-increasing cylinder
Chamber and the first and second compression chambers are also mutually independent).
Preferably, the first flash evaporation 51 and the second shwoot are additionally provided between the vaporising device and the condensing unit
Device 52, the tonifying Qi branch include the first tonifying Qi branch 11 and the second tonifying Qi branch 12；
The gas vent of first flash evaporation 51 is connect with one end of the first tonifying Qi branch 11, first tonifying Qi
The other end of branch 11 is connected with the first gas supplementing opening c, and the first tonifying Qi is additionally provided on the first tonifying Qi branch 11 and is cut
Only valve 7；
The gas vent of second flash evaporation 52 is connect with one end of the second tonifying Qi branch 12, second tonifying Qi
The other end of branch 12 is connected with the second gas supplementing opening f, and the second tonifying Qi is additionally provided on the second tonifying Qi branch 12 and is cut
Only valve 8.
Pressure shwoot acts in being carried out by the first flash evaporation and the second flash evaporation to the refrigerant in refrigeration system so that
Shwoot forms gas coolant part and liquid coolant part, and gas coolant part is mended by the first tonifying Qi branch and second
Gas branch is directed at the different compression chambers in compressor, can complete the tonifying Qi to compressor and the increasing enthalpy to whole system
Effect can effectively be controlled the refrigerant flowing in the first and second tonifying Qi branches by the first and second tonifying Qi shut-off valves
System.
Preferably, when including the first condenser 31, the second condenser 32, the first evaporator 61, the second evaporator 62, institute
The other end for stating the first condenser 31 is connected to the import of first flash evaporation 51, second condenser by the first pipeline 71
32 other end is connected to the import of second flash evaporation 52 by the second pipeline 72；The other end of first evaporator 61 leads to
The liquid outlet that third pipeline 73 is connected to first flash evaporation 51 is crossed, the other end of second evaporator 62 passes through the 4th pipe
Road 74 is connected to the liquid outlet of second flash evaporation 52.
It can be to one or more condenser heat rejection in a manner that the first flash evaporation and the second flash evaporation are set
Refrigerant afterwards is stored and can carry out shwoot to refrigerant when tonifying Qi branch is connected to complete Gas-supplying enthalpy-increasing, shwoot
Device, which can play the role of liquid storage, can also play the role of shwoot tonifying Qi, then is connected to needs by pipeline and is evaporated heat absorption
More than one evaporator in, realize the equilibrium of refrigerant temperature, realize the effect of the Balance route of indoor temperature, improve system
Cold efficiency.
Preferably, first throttling device 41 is provided on first pipeline 71, is provided on second pipeline 72
Two throttling sets 42 are provided with third throttling set 43 on the third pipeline 73, the 4th are provided on the 4th pipeline 74
Throttling set 44.It, can be to the refrigerant before entrance flash evaporation by the throttling set set between condenser and flash evaporation
Reducing pressure by regulating flow is carried out, so as to be depressured coolant throttle into two-phase fluid, two phase refrigerant is pressed in formation, gas passes through tonifying Qi branch
Tonifying Qi is formed, it in this way can be to provide condition into progress evaporation endothermic before evaporator.
Preferably, the first gas supplementing opening c is also connected, and institute by the first bypass branch ac with the first air entry a
It states and the first shut-off valve 9 is provided on the first bypass branch ac；
The second gas supplementing opening f is also connected, and with the second air entry b by the of described second by the second bypass branch bf
The second shut-off valve 10 is provided on logical branch bf.
By the way that the first gas supplementing opening c is connected by the first bypass branch ac with the first air entry a, the first bypass can be passed through
Branch ac introduces refrigerant from the first air entry, so as to by the first air entry a enter the first compression chamber in coolant quantity into
Row control can form the break-make of first bypass branch by the setting of the first shut-off valve and control；By by the second tonifying Qi
Mouth f is connected by the second bypass branch bf with the second air entry b, can be drawn from the second air entry by the second bypass branch bf
Enter refrigerant, so as to control the coolant quantity entered in the first compression chamber by the second air entry b, pass through the second shut-off valve
Setting can form the break-make of second bypass branch and control.
One in the air entry in two parallel compression chambers can be connected to gas supplementing opening in this way and be connected to compressor
In more than one switching compression chamber, through switching compression chamber compression after pass through one in the exhaust outlet in parallelly compressed chamber again
Or two discharged, so as to also be able under different operating modes and temperature difference demand condition, by the connection side for switching compression chamber
Formula realizes the switching of volumetric ratio, so as to fulfill the requirement of the different evaporation temperature difference (or condensation temperature difference), so as to the efficiency of lifting system
It is horizontal；Effectively solve under the conditions of off-design behaviour, operating mode and load it is different to two evaporating temperatures (or condensation temperature)
Temperature difference requirement is different, and fixed volume than two cylinders it is poor to the adaptability of operating mode, it is (or cold that the change evaporation temperature difference can not be met
The solidifying temperature difference) requirement the technical issues of, solve the problems, such as that fixed volume is poorer than adaptability for working condition.
Preferably, the first compression chamber A, the second compression chamber B and the third compression chamber C, the 4th compression
Chamber D is respectively mutually independent air cylinder structure；
Alternatively, the first compression chamber A and third compression chamber C is is separated to form by a cylinder by two slide plates
Two compression chambers and/or, the second compression chamber B and the 4th compression chamber D are to pass through two slide plates point by a cylinder
Every two compression chambers of formation.
This is preferred constructive form of the compressor in the utility model refrigeration system for combined type compression chamber, wherein first
It is by a cylinder with third compression chamber A and C and passes through two compression chambers (Fig. 7 a) that two slide plates are separated to form, second and
Four compression chamber B and D are by a cylinder and pass through two compression chambers (Fig. 7 b) that two slide plates are separated to form.First and third pressure
Contracting chamber A and C combines slide plate 220 etc. by the first assembly cylinder-body 211, the first combined rotor 212, first combination slide plate 213 and second
Composition, wherein the first combination slide plate 213 is arranged in the first combination slide plate chamber 215, and be provided with the first cluster spring wherein
216, the second combination slide plate 220 is arranged in the second combination slide plate chamber 218, and be provided with the second cluster spring 219 wherein；
The first combination suction inlet 201, second combination 202 and first combination exhaust of suction inlet is provided on first assembly cylinder-body 211
The 217, second combination exhaust outlet 221 is exported, the first combination suction inlet 201 is connected with the first air entry a, and the second combination is inhaled
Gas import 202 is connected with gas supplementing opening c, and the outlet 217 of the first combination exhaust and the second combination exhaust outlet 221 are respectively and first row
Gas port d is connected.
Second and the 4th compression chamber B and D be by a cylinder and pass through two compression chambers (figure that two slide plates are separated to form
7b), second and the 4th compression chamber B and D slide plate 313 and combined by the second assembly cylinder-body 311, the second combined rotor 312, third
Four combination slide plate 320 grade compositions, wherein third combination slide plate 313 is arranged in third combination slide plate chamber 315, and is set wherein
There is third cluster spring 316, the 4th combination slide plate 320 is arranged in the 4th combination slide plate chamber 318, and is provided with the 4th wherein
Cluster spring 319；Third combination suction inlet 301, the 4th combination suction inlet 302 and the are provided on the second assembly cylinder-body
Three combination exhausts export the 317, the 4th combination exhaust outlet 321, and third combination suction inlet 301 is connected with the second air entry b,
4th combination suction inlet 302 is connected with the second gas supplementing opening f, and third combination exhaust outlet 317 is connected with second exhaust port e
Logical, the 4th combination exhaust outlet 321 is connected with second exhaust port e.
The utility model provides a kind of refrigeration system, and the refrigeration system is by compressor 1, four-way valve 21 and 22, first
31 and second condenser 32 of condenser, first throttling device 41, second throttling device 42, the first flash evaporation 51, the second flash evaporation
52nd, the compositions such as third throttling set 43, the 4th throttling set 44, the first evaporator 61 and second evaporator 62, and pass through refrigeration
Agent pipeline is sequentially connected, and compressor 1 is provided with first and second air entry a, b and the first gas supplementing opening c, the second gas supplementing opening f, and first
With second exhaust port d and e, compressor the first air entry a is connect with the S ends of four-way valve 21, compressor first row gas port d and four-way
The D ends connection of valve 21, the C-terminal of four-way valve 21 and E ends connect the first condenser 31 and the first evaporator 61, compressor second respectively
Air entry b is connect with the S ends of four-way valve 22, and compressor second exhaust port e is connect with the D ends of four-way valve 22, the C-terminal of four-way valve 22
The first condenser 31 and the first evaporator 61 are connected respectively with E ends, and first throttling device 41 is arranged on the first condenser 31 and
Between one flash evaporation 51, second throttling device 42 is arranged between the second condenser 32 and the second flash evaporation 52, third throttling dress
It puts 43 to be arranged between the first evaporator 61 and the first flash evaporation 51, the 4th throttling set 44 is arranged on the second evaporator 62 and
Between two flash evaporations 52, the first bypass branch ac is provided between compressor the first air entry a and the first gas supplementing opening c, first
The first shut-off valve 9 is provided on bypass branch ac.It is set between 51 gas vent of compressor the first gas supplementing opening c and the first flash evaporation
There is the first tonifying Qi branch 11, the first tonifying Qi shut-off valve 7 is provided on the first tonifying Qi branch 11；Compressor the second air entry b and
The second bypass branch bf is provided between second gas supplementing opening f, the second shut-off valve 10 is provided on the second bypass branch bf.Compression
The second tonifying Qi branch 12 is provided between 52 gas vent of machine the second gas supplementing opening f and the second flash evaporation, in the second tonifying Qi branch 12
On be provided with the second tonifying Qi shut-off valve 8.
System operation mode one, the first and second tonifying Qi shut-off valves 7 and 8 are closed, and the first and second shut-off valves 9 and 10 are opened
It opens, forms the connection mode in Fig. 6 a.
System operation mode two, the first tonifying Qi shut-off valve 7 and the second shut-off valve 10 are opened, the second tonifying Qi shut-off valve 8 and
One shut-off valve 9 is closed, and forms the connection mode in Fig. 6 b.
System operation mode three, the second tonifying Qi shut-off valve 8 and the first shut-off valve 9 are opened, the first tonifying Qi shut-off valve 7 and second
Shut-off valve 10 is closed, and forms the connection mode in Fig. 6 c.
System operation mode four, the first and second tonifying Qi shut-off valves 7 and 8 are opened, and the first and second shut-off valves 9 and 10 close
It closes, forms the connection mode in Fig. 6 d.
Preferably, it is additionally provided on the gas exhaust piping being connected in the first row gas port d and/or the second exhaust port e
Oil eliminator 13, the oil outlet of the oil eliminator 13 are connected to the repairing end 15 of the compressor 1 by oil return capillary 14.It is logical
The oil eliminator set in above-mentioned position and oil return capillary are crossed, can will be taken in the high pressure-temperature refrigerant discharged in compressor
The oil of band carries out separation and recovery effect, prevents oil as refrigerant flows together and influences cooling or heating effect while also prevents from pressing
Oil starvation in contracting machine and situations such as lubrication effect is caused to decline, improve the working performance of compressor and refrigeration system.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.The above is only the preferred embodiment of the utility model, it is noted that for the art
For those of ordinary skill, under the premise of the utility model technical principle is not departed from, several improvement and modification can also be made,
These improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (17)
1. a kind of refrigeration system, it is characterised in that：Including compressor (1), vaporising device and condensing unit；
The compressor includes mutually independent more than two compression chambers；
Further include more than one switching compression chamber and more than one gas supplementing opening and one outside the compressor
Above tonifying Qi branch, the gas supplementing opening can be connected at least one tonifying Qi branch, the air-breathing of the switching compression chamber
End is connected with the gas supplementing opening, its exhaust end is connected with the exhaust outlet of the compressor.
2. refrigeration system according to claim 1, it is characterised in that：Mutually independent more than two compression chamber packets
Include the first compression chamber (A) and the second compression chamber (B)；
The exhaust outlet includes first row gas port (d) and second exhaust port (e), the air entry include the first air entry (a) and
Second air entry (b)；The suction end of first compression chamber is connected with first air entry (a), its exhaust end and described the
One exhaust outlet (d) is connected；The suction end of second compression chamber is connected with second air entry (b), its exhaust end with it is described
Second exhaust port (e) is connected.
3. refrigeration system according to claim 2, it is characterised in that：The condensing unit includes that step heating can be formed
The first condenser (31) and the second condenser (32), the first row gas port (d) pass through pipeline and first condenser
(31) one end is connected, and the second exhaust port (e) is connected by pipeline with one end of second condenser (32).
4. according to the refrigeration system described in any one of claim 2-3, it is characterised in that：The vaporising device includes being capable of shape
The first evaporator (61) and the second evaporator (62) to freeze into step, first air entry (a) pass through pipeline and described the
One end of one evaporator (61) is connected, and second air entry (b) passes through pipeline and one end phase of second evaporator (62)
Even.
5. according to the refrigeration system described in any one of claim 2-3, it is characterised in that：It is described switching compression chamber for one,
For third compression chamber (C), the gas supplementing opening is also one, is the first gas supplementing opening (c), and the air-breathing of the third compression chamber (C)
It holds as third suction end, be connected with first gas supplementing opening (c), the exhaust end of the third compression chamber (C) is third exhaust end,
It is connected with the first row gas port (d).
6. refrigeration system according to claim 5, it is characterised in that：Between the vaporising device and the condensing unit
The first flash evaporation (51) is additionally provided with, the tonifying Qi branch includes the first tonifying Qi branch (11), first flash evaporation (51)
Gas vent is connect with one end of the first tonifying Qi branch (11), the other end of the first tonifying Qi branch (11) and described the
One gas supplementing opening (c) is connected, and the first tonifying Qi shut-off valve (7) is additionally provided on the first tonifying Qi branch (11).
7. refrigeration system according to claim 6, it is characterised in that：When including the first condenser (31), the second condenser
(32), when the first evaporator (61), the second evaporator (62), the other end of first condenser (31) passes through the first pipeline
(71) it is connected to the import of first flash evaporation (51), the other end of second condenser (32) is connected by the second pipeline (72)
To the other end of second evaporator (62)；The other end of first evaporator (61) is connected to institute by third pipeline (73)
State the liquid outlet of the first flash evaporation (51).
8. refrigeration system according to claim 7, it is characterised in that：First throttle is provided on first pipeline (71)
Device (41) is provided with second throttling device (42) on second pipeline (72), and third pipeline is provided with third section on (73)
Flow device (43).
9. refrigeration system according to claim 5, it is characterised in that：First gas supplementing opening (c) also passes through the first bypass
Branch (ac) is connected with first air entry (a), and the first shut-off valve (9) is provided on first bypass branch (ac).
10. refrigeration system according to claim 5, it is characterised in that：First compression chamber (A), second compression
Chamber (B) and the third compression chamber (C) are respectively mutually independent air cylinder structure；
Alternatively, first compression chamber (A) and the third compression chamber (C) is are separated to form by a cylinder by two slide plates
Two compression chambers, second compression chamber (B) is independent cylinder cavity.
11. according to the refrigeration system described in any one of claim 2-3, it is characterised in that：It is described switching compression chamber for two,
For third compression chamber (C) and the 4th compression chamber (D), the gas supplementing opening is two, is the first gas supplementing opening (c) and the second gas supplementing opening
(f), and the suction end of the third compression chamber (C) is connected for third suction end, with first gas supplementing opening (c), the third
The exhaust end of compression chamber (C) is third exhaust end, it is connected with the first row gas port (d)；The suction of 4th compression chamber (D)
Gas end is connected for third suction end, with second gas supplementing opening (f), and the exhaust end of the 4th compression chamber (D) is vented for third
It holds, it is connected with the second exhaust port (e).
12. refrigeration system according to claim 11, it is characterised in that：The vaporising device and the condensing unit it
Between be additionally provided with the first flash evaporation (51) and the second flash evaporation (52), the tonifying Qi branch includes the first tonifying Qi branch (11) and the
Two tonifying Qi branches (12)；
The gas vent of first flash evaporation (51) is connect with one end of the first tonifying Qi branch (11), first tonifying Qi
The other end of branch (11) is connected with first gas supplementing opening (c), and is additionally provided with first on the first tonifying Qi branch (11)
Tonifying Qi shut-off valve (7)；
The gas vent of second flash evaporation (52) is connect with one end of the second tonifying Qi branch (12), second tonifying Qi
The other end of branch (12) is connected with second gas supplementing opening (f), and is additionally provided with second on the second tonifying Qi branch (12)
Tonifying Qi shut-off valve (8).
13. refrigeration system according to claim 12, it is characterised in that：When including the first condenser (31), the second condensation
When device (32), the first evaporator (61), the second evaporator (62), the other end of first condenser (31) passes through the first pipeline
(71) it is connected to the import of first flash evaporation (51), the other end of second condenser (32) is connected by the second pipeline (72)
To the import of second flash evaporation (52)；The other end of first evaporator (61) is connected to described by third pipeline (73)
The liquid outlet of first flash evaporation (51), the other end of second evaporator (62) are connected to described by the 4th pipeline (74)
The liquid outlet of two flash evaporations (52).
14. refrigeration system according to claim 13, it is characterised in that：First segment is provided on first pipeline (71)
Device (41) is flowed, second throttling device (42) is provided on second pipeline (72), is provided on the third pipeline (73)
Third throttling set (43) is provided with the 4th throttling set (44) on the 4th pipeline (74).
15. refrigeration system according to claim 11, it is characterised in that：First gas supplementing opening (c) is also by by first
Logical branch (ac) is connected, and be provided with the first shut-off valve on first bypass branch (ac) with first air entry (a)
(9)；
Second gas supplementing opening (f) is also connected, and described second by the second bypass branch (bf) with second air entry (b)
The second shut-off valve (10) is provided on bypass branch (bf).
16. refrigeration system according to claim 11, it is characterised in that：First compression chamber (A), second compression
Chamber (B) and the third compression chamber (C), the 4th compression chamber (D) are respectively mutually independent cylinder cavity body structure；
Alternatively, first compression chamber (A) and the third compression chamber (C) is are separated to form by a cylinder by two slide plates
Two compression chambers and/or, second compression chamber (B) and the 4th compression chamber (D) are to pass through two cunnings by a cylinder
Two compression chambers that piece is separated to form.
17. refrigeration system according to claim 2, it is characterised in that：In the first row gas port (d) and/or described
Oil eliminator (13) is additionally provided on the connected gas exhaust piping of two exhaust outlets (e), the oil outlet of the oil eliminator (13) passes through
Oil return capillary (14) is connected to the repairing end of the compressor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721051408.7U CN207515269U (en) | 2017-08-21 | 2017-08-21 | Refrigerating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721051408.7U CN207515269U (en) | 2017-08-21 | 2017-08-21 | Refrigerating system |
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| Publication Number | Publication Date |
|---|---|
| CN207515269U true CN207515269U (en) | 2018-06-19 |
Family
ID=62532329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721051408.7U Withdrawn - After Issue CN207515269U (en) | 2017-08-21 | 2017-08-21 | Refrigerating system |
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| Country | Link |
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| CN (1) | CN207515269U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576090A (en) * | 2017-08-21 | 2018-01-12 | 珠海格力电器股份有限公司 | Refrigerating system |
| CN111609592A (en) * | 2020-04-24 | 2020-09-01 | 珠海格力电器股份有限公司 | Dual-temperature air conditioning system, control method and air conditioner |
| CN111765568A (en) * | 2020-07-02 | 2020-10-13 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
-
2017
- 2017-08-21 CN CN201721051408.7U patent/CN207515269U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576090A (en) * | 2017-08-21 | 2018-01-12 | 珠海格力电器股份有限公司 | Refrigerating system |
| CN107576090B (en) * | 2017-08-21 | 2023-11-17 | 珠海格力电器股份有限公司 | Refrigerating system |
| CN111609592A (en) * | 2020-04-24 | 2020-09-01 | 珠海格力电器股份有限公司 | Dual-temperature air conditioning system, control method and air conditioner |
| CN111765568A (en) * | 2020-07-02 | 2020-10-13 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
| CN111765568B (en) * | 2020-07-02 | 2024-07-02 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
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