CN107560210A - A kind of refrigeration system - Google Patents
A kind of refrigeration system Download PDFInfo
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- CN107560210A CN107560210A CN201710718380.6A CN201710718380A CN107560210A CN 107560210 A CN107560210 A CN 107560210A CN 201710718380 A CN201710718380 A CN 201710718380A CN 107560210 A CN107560210 A CN 107560210A
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- evaporator
- air entry
- condenser
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 54
- 230000006835 compression Effects 0.000 claims abstract description 148
- 238000007906 compression Methods 0.000 claims abstract description 148
- 230000001502 supplementing effect Effects 0.000 claims abstract description 48
- 238000001704 evaporation Methods 0.000 claims abstract description 24
- 230000008020 evaporation Effects 0.000 claims abstract description 19
- 238000009833 condensation Methods 0.000 claims abstract description 16
- 230000005494 condensation Effects 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims description 4
- 239000003507 refrigerant Substances 0.000 description 29
- 230000000694 effects Effects 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 9
- 239000000203 mixture Substances 0.000 description 6
- 230000009977 dual effect Effects 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 239000002826 coolant Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008676 import Effects 0.000 description 4
- 210000004899 c-terminal region Anatomy 0.000 description 3
- 239000012530 fluid Substances 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
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000000529 third trochanter Anatomy 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Devices That Are Associated With Refrigeration Equipment (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The present invention provides a kind of refrigeration system, including compressor, vaporising device and condensing unit；Compressor includes separate the first compression chamber and the second compression chamber；Also include the first air entry and the second air entry, first row gas port and second exhaust port, the suction end of the first compression chamber is connected with the first air entry, its exhaust end is connected with first row gas port；The suction end of second compression chamber is connected with the second air entry, its exhaust end is connected with second exhaust port；Also include more than one switching compression chamber and more than one gas supplementing opening, gas supplementing opening with the first air entry and/or the second air entry to be connected, the suction end for switching compression chamber is connected with gas supplementing opening, exhaust end is connected with first row gas port and/or second exhaust port.The switching of volumetric ratio, by switching the connected mode of compression chamber, can be realized under different operating modes and temperature difference demand condition by the present invention, it is horizontal so as to the efficiency of lifting system so as to realize the requirement of the different evaporation temperature difference (or condensation temperature difference).
Description
Technical field
The invention belongs to air-conditioning technical field, and in particular to a kind of refrigeration system.
Background technology
Publication number CN105444453A patent proposes a kind of dual temperature system realized using a single-stage duplex cylinder compressor
Cold and heating, by using two cylinders and its connected two four-way valves and corresponding different refrigerant loops, realize
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 volumetric ratio of two cylinders is fixed in the patented technology, under the conditions of design conditions, two fixed appearances
The cylinder of product ratio disclosure satisfy that the temperature difference requirement of two evaporating temperatures (or condensation temperature), realize dual temperature refrigeration or heating operations
Middle improving energy efficiency is horizontal.But under the conditions of off-design behaviour, operating mode and load it is different to (or the condensation of two evaporating temperatures
Temperature) temperature difference requirement it is different, and fixed volume than two cylinders it is poor to the adaptability of operating mode, can not meet to become evaporation temperature
The requirement of difference (or condensation temperature difference).
Because dual temperature refrigeration system of the prior art is poor in the presence of the adaptability to operating mode, can not meet to become the evaporation temperature difference
The technical problems such as the requirement of (or condensation temperature difference), therefore research and design of the present invention goes out a kind of refrigeration system.
The content of the invention
Therefore, the technical problem to be solved in the present invention is that overcome refrigeration system of the prior art to exist fits to operating mode
Answering property is poor, the defects of can not meeting to become the requirement of the evaporation temperature difference (or condensation temperature difference), so as to provide a kind of refrigeration system.
The present invention provides a kind of refrigeration system, and it includes compressor, vaporising device and condensing unit；
The compressor includes separate more than two compression chambers；
Also include more than one switching compression chamber and more than one gas supplementing opening, the gas supplementing opening and the compressor
Air entry is connected, and the suction end for switching compression chamber is connected with the gas supplementing opening, the exhaust of its exhaust end and the compressor
Mouth is connected.
Preferably, separate more than two compression chambers include the first compression chamber and the second compression chamber；
The air entry is two, is respectively the first air entry and the second air entry, and the exhaust outlet is also two, respectively
For first row gas port and second exhaust port, the suction end of first compression chamber is connected with first air entry, its exhaust end
It is connected with the first row gas port；The suction end of second compression chamber is connected with second air entry, its exhaust end and institute
Second exhaust port is stated to be connected；
The switching compression chamber is one, is the 3rd compression chamber, and the gas supplementing opening is also one, and the 3rd compression chamber
Suction end be the 3rd suction end, be connected with the gas supplementing opening, the exhaust end of the 3rd compression chamber be the 3rd exhaust end, its with
The first row gas port is connected.
Preferably, the gas supplementing opening is connected by the first bypass branch with first air entry, and first bypass
The first stop valve is provided with branch road；And/or the gas supplementing opening is connected by the second bypass branch with second air entry,
And it is provided with the second stop valve on second bypass branch.
Preferably, first compression chamber, second compression chamber and the 3rd compression chamber are respectively separate
Air cylinder structure.
Preferably, first compression chamber and the 3rd compression chamber are to be separated to form by a cylinder by two slide plates
Two compression chambers, second compression chamber is independent cylinder；
Or second compression chamber and the 3rd compression chamber are separated to form by a cylinder by two slide plates
Two compression chambers, first compression chamber are independent cylinder；
Or first compression chamber and second compression chamber are separated to form by a cylinder by two slide plates
Two compression chambers, the 3rd compression chamber are independent cylinder.
Preferably, the condensing unit includes the first condenser, and the first row gas port passes through with the second exhaust port
Pipeline is connected to one end of first condenser again after connecting；
Or the condensing unit includes the first condenser and the second condenser that can form step heating, described the
One exhaust outlet is connected by pipeline with one end of first condenser, and the second exhaust port is cold by pipeline and described second
One end of condenser is connected.
Preferably, the vaporising device includes the first evaporator, and first air entry passes through with second air entry
Pipeline is connected to one end of first evaporator again after connecting；
Or the vaporising device includes the first evaporator and the second evaporator that can form step refrigeration, described the
One air entry is connected by pipeline with one end of first evaporator, and second air entry is steamed by pipeline and described second
One end of hair device is connected.
Preferably, when the condensing unit only includes the first condenser, and vaporising device includes the first evaporator and second
During evaporator, the other end of the other end of first evaporator and second evaporator is then connected to described first after connecting
The other end of condenser.
Preferably, the other end of first evaporator is passed through by the other end of the first pipeline and second evaporator
Second pipeline is connected on the first intersection point, and first intersection point is connected by pipeline with the other end of first condenser again, its
Described in pipeline section of first pipeline between first intersection point and the other end of first evaporator, it is described second pipe
Pipeline section of the road between first intersection point and the other end of second evaporator.
Preferably, first throttle device is provided with first pipeline, is provided with the second throttling on second pipeline
Device.
Preferably, when the condensing unit includes the first condenser and the second condenser, in addition to reservoir, described
The other end of one condenser is connected in the reservoir by the 3rd pipeline, the other end of second condenser passes through the 4th pipe
Road is connected in the reservoir.
Preferably, the 3rd throttling arrangement is provided with the 3rd pipeline, the 4th throttling is provided with the 4th pipeline
Device.
Preferably, when the vaporising device includes the first evaporator and the second evaporator, first evaporator it is another
One end is connected in the reservoir by the 5th pipeline, the other end of second evaporator is connected to the storage by the 6th pipeline
In liquid device.
Preferably, the 5th throttling arrangement is provided with the 5th pipeline, the 6th throttling is provided with the 6th pipeline
Device.
A kind of refrigeration system provided by the invention has the advantages that：
The refrigeration system of the present invention, it is more than one by being set up on the basis of original parallel single-stage duplex cylinder compressor
Switch compression chamber and more than one gas supplementing opening, and switching compression chamber suction end is connected with gas supplementing opening, exhaust end and compression
Machine exhaust outlet is connected and gas supplementing opening is connected by exterior line with the air entry of compressor, can be by parallel two or more pressure
One or two in air entry in contracting chamber is connected to gas supplementing opening and is communicated to the compression of the more than one switching in compressor
Chamber, discharged again by one or two in the exhaust outlet in parallelly compressed chamber after switching compression chamber compression, so as to
It is enough, by switching the connected mode of compression chamber, to realize the switching of volumetric ratio under different operating modes and temperature difference demand condition, so as to
The requirement of the different evaporation temperature difference (or condensation temperature difference) is realized, it is horizontal so as to the efficiency of lifting system；Effectively solve in non-design work
Under the conditions of condition, the different temperature difference requirements to two evaporating temperatures (or condensation temperature) of operating mode and load are different, and fixed volume
Two cylinders of ratio are poor to the adaptability of operating mode, and the technology that can not meet to become the requirement of the evaporation temperature difference (or condensation temperature difference) is asked
Topic.
Brief description of the drawings
Fig. 1 is the system construction drawing of the embodiment 1 of the refrigeration system of the present invention；
Fig. 2 a are the first connected mode structure chart of three compression chambers of the refrigeration system of the present invention；
Fig. 2 b are second of connected mode structure chart of three compression chambers of the refrigeration system of the present invention；
Fig. 3 a are that the first compression chamber of the refrigeration system of the present invention is the structure chart of individual cylinder；
Fig. 3 b are that the second compression chamber of the refrigeration system of the present invention is the structure chart of individual cylinder；
Fig. 3 c are that the 3rd compression chamber of the refrigeration system of the present invention is the structure chart of individual cylinder；
Fig. 4 a be the present invention refrigeration system first and three compression chamber be modular cylinder structure chart；
Fig. 4 b be the present invention refrigeration system second 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 present invention.
Reference 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 throttle device；42nd, second throttling device；43rd, the 3rd throttling arrangement；44th, the 4th throttling arrangement；45th, the 5th throttling arrangement；
46th, the 6th throttling arrangement；5th, reservoir；61st, the first evaporator；62nd, the second evaporator；70th, the first intersection point；71st, the first pipeline；
72nd, the second pipeline；73rd, the 3rd pipeline；74th, the 4th pipeline；75th, the 5th pipeline；76th, the 6th pipeline；9th, the first stop valve；10、
Second stop valve；A, the first compression chamber；B, the second compression chamber；C, the 3rd compression chamber；A, the first air entry；B, the second air entry；
C, gas supplementing opening；D, first row gas port；E, second exhaust port；
101st, the first suction inlet；102nd, the second suction inlet；103rd, the 3rd 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, the 3rd cylinder body；132nd, third trochanter；133rd, the 3rd slide plate；134、
3rd compression chamber；135th, the 3rd slide plate chamber；136th, the 3rd spring；137th, the 3rd 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；203rd, the second combination suction inlet；
311st, the second assembly cylinder-body；312nd, the second combined rotor；313rd, the 3rd combination slide plate；322nd, the by combination compression chamber
Body；315th, the 3rd combination slide plate chamber；316th, the 3rd cluster spring；317th, the 3rd combination exhaust exports；302nd, the 3rd 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；303rd, the 4th combination suction inlet.
Embodiment
Embodiment 1
As shown in figure 1, the present invention provides a kind of refrigeration system, it includes compressor 1, throttling arrangement, vaporising device and cold
Solidifying device；
The compressor includes separate more than two compression chambers；
Also include more than one switching compression chamber and more than one gas supplementing opening, the gas supplementing opening and the compressor
Air entry is connected, and the suction end for switching compression chamber is connected with the gas supplementing opening, the exhaust of its exhaust end and the compressor
Mouth is connected.
By setting up more than one switching compression chamber and one on the basis of original parallel single-stage duplex cylinder compressor
More than gas supplementing opening, and cause switching compression chamber suction end is connected with gas supplementing opening, exhaust end is connected with the exhaust outlet of compressor and
Gas supplementing opening is connected by exterior line with the air entry of compressor, can be by one in the air entry in two parallel compression chambers
It is individual or two are connected to gas supplementing opening and are communicated to the more than one switching compression chamber in compressor, after switching compression chamber compression
Discharged again by one or two in the exhaust outlet in parallelly compressed chamber, so as to be needed in different operating modes and the temperature difference
Under the conditions of asking, by switching the connected mode of compression chamber, the switching of volumetric ratio is realized, so as to realize that the different evaporation temperature difference are (or cold
The solidifying temperature difference) requirement, it is horizontal so as to the efficiency of lifting system；Effectively solve under the conditions of off-design behaviour, operating mode and load
The different temperature difference requirement to two evaporating temperatures (or condensation temperature) is different, and fixed volume than two cylinders operating mode is fitted
Answering property is poor, can not meet the technical problem for becoming the requirement of the evaporation temperature difference (or condensation temperature difference), solve fixed volume and fitted than operating mode
The problem of answering property difference.
Preferably, the compressor includes separate the first compression chamber A and the second compression chamber B；
The compressor also includes two air entries, is respectively the first air entry a and the second air entry b, two exhaust outlets,
Respectively first row gas port d and second exhaust port e, the suction end of first compression chamber is connected with the first air entry a, it
Exhaust end is connected with the first row gas port d；The suction end of second compression chamber is connected with the second air entry b, its row
Gas end is connected with the second exhaust port e；
The switching compression chamber is one, is the 3rd compression chamber C, and the gas supplementing opening c is also one, and the 3rd compression
Chamber C suction end is the 3rd suction end, is connected with the gas supplementing opening c that the exhaust end of the 3rd compression chamber C is the 3rd exhaust
Hold, it is connected with the first row gas port d.This is preferred number, the benefit of the switching compression chamber of the refrigeration system of the present invention
The preferred number and connected mode of gas port, switching compression chamber and gas supplementing opening are disposed as one, and by the suction of the 3rd compression chamber
Gas end is connected with gas supplementing opening, (can be come by gas supplementing opening inspiration refrigerant from the first air entry a and/or the second air entry b branches
Refrigerant), discharged again by its exhaust end via first row gas port d outside compressor after being compressed in the 3rd compression chamber, so as to complete
Mode into the 3rd compression chamber as the volumetric ratio switching of switching compression chamber.
Such as 1-2, it is preferable that the gas supplementing opening c is connected by the first bypass branch ac with the first air entry a (to scheme
2a), and on the first bypass branch ac it is provided with the first stop valve 9；And/or the gas supplementing opening c passes through the second bypass branch
Bc is connected (Fig. 2 b) with the second air entry b, and is provided with the second stop valve 10 on the second bypass branch bc.Passing through will
Gas supplementing opening c is connected by the first bypass branch ac with the first air entry a, can be by the first bypass branch ac from the first air entry
Middle introducing refrigerant, so as to be controlled to the coolant quantity entered by the first air entry a in the first compression chamber, pass through the first cut-off
Setting for valve 9 can form control to the break-make of first bypass branch；By by gas supplementing opening c by the second bypass branch bc with
First air entry a is connected, and can introduce refrigerant from the second air entry by the second bypass branch bc, so as to being inhaled by second
The coolant quantity that gas port b enters in the second compression chamber is controlled, can be to second bypass by the setting of the second stop valve 10
The break-make of branch road forms control.
Such as Fig. 3 a-3b, it is preferable that the first compression chamber A, the second compression chamber B and the 3rd compression chamber C difference
For separate cylinder cavity body structure.This is preferred structure shape of the compressor in inventive refrigeration system for three compression chambers
Formula, the first compression chamber A, the second compression chamber B and the 3rd compression chamber C are respectively individual cylinder cavity (Fig. 3 a-3b), the first compression chamber
A is made up of the first cylinder body 111, the slide plate 113 of the first rotor 112 and first etc., wherein the first slide plate 113 is arranged on the first slide plate chamber
In 115, and the first spring 116 is provided with wherein；The first suction inlet 101 and first exhaust outlet are provided with cylinder body
117, the first suction inlet 101 is connected with the first air entry a, and first exhaust outlet 117 is connected with first row gas port d；The
Two compression chamber B are made up of the second cylinder body 121, the second rotor 122 and second slide plate 123 etc., wherein the second slide plate 123 is arranged on
In two slide plate chambers 125, and second spring 126 is provided with wherein, the second suction inlet 102 and second row are provided with cylinder body
Gas outlet 127, the second suction inlet 102 is connected with the second air entry b, and second exhaust outlet 127 is connected with second exhaust port e
It is logical；3rd compression chamber C is made up of the 3rd cylinder body 131, the slide plate 133 of third trochanter 132 and the 3rd etc., wherein the 3rd slide plate 133 is set
Put in the 3rd slide plate chamber 135, and be provided with the 3rd spring 136 wherein, being provided with the 3rd air-breathing on the 3rd cylinder body 131 enters
The air exit 137 of mouth 103 and the 3rd, the 3rd suction inlet 103 are connected with gas supplementing opening c, the 3rd air exit 137 and first row
Gas port d is connected.
Such as Fig. 4 a-4b, it is preferable that the first compression chamber A and the 3rd compression chamber C is to pass through two by a cylinder
Two compression chambers that slide plate is separated to form, the second compression chamber B are that independent cylinder cavity (compresses relative to first and the 3rd
For chamber)；
Or the second compression chamber B and the 3rd compression chamber C is to be separated to form by a cylinder by two slide plates
Two compression chambers, the first compression chamber A is independent cylinder cavity (relative to second and the 3rd for compression chamber)；
Or the first compression chamber A and the second compression chamber B is to be separated to form by a cylinder by two slide plates
Two compression chambers, the 3rd compression chamber C is independent cylinder cavity (relative to second and the 3rd for compression chamber).
This is the preferred constructive form that compressor in inventive refrigeration system is combined type compression chamber, wherein first and the
Three compression chamber A and C are by a cylinder and two compression chambers (Fig. 4 a) being separated to form by two slide plates first and the 3rd 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 the first cluster spring is provided with wherein
216, the second combination slide plate 220 is arranged in the second combination slide plate chamber 218, and is provided with the second cluster spring 219 wherein；
The first combination suction inlet 201, second combination combination exhaust of suction inlet 203 and first is provided with 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 203 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.
Simultaneously wherein second and the 3rd compression chamber B and C be by a cylinder and be separated to form by two slide plates two
Compression chamber (Fig. 4 b), second and the 3rd compression chamber B and C by the second assembly cylinder-body 311, the second combined rotor the 312, the 3rd combination slide
Piece 313 and the 4th combines the grade of slide plate 320 composition, wherein the 3rd combination slide plate 313 is arranged in the 3rd combination slide plate chamber 315, and
The 3rd cluster spring 316 is provided with wherein, the 4th combination slide plate 320 is arranged in the 4th combination slide plate chamber 318, and wherein
It is provided with the 4th cluster spring 319；The 3rd combination suction inlet the 302, the 4th is provided with the second assembly cylinder-body and combines air-breathing
The combination exhaust of import 303 and the 3rd exports the 317, the 4th combination exhaust outlet 321, and the 3rd combination suction inlet 302 and second is inhaled
Gas port b is connected, and the 4th combination suction inlet 303 is connected with gas supplementing opening c, the 3rd combination exhaust outlet 317 and second exhaust
Mouth e is connected, and the 4th combination exhaust outlet 321 is connected with first row gas port d.
Preferably, the condensing unit includes the first condenser 31, the first row gas port d and second exhaust port e
One end (embodiment 1) of first condenser 31 is connected to after connecting by pipeline again；As shown in Figure 1.
Or the condensing unit includes that the first condenser 31 and the second condenser 32 that step heats, institute can be formed
State first row gas port d by pipeline with one end of first condenser 31 to be connected, the second exhaust port e passes through pipeline and institute
The one end for stating the second condenser 32 is connected (embodiment 2).As shown in Figure 5.
This is the preferred constructive form and connected mode of the condensing unit of inventive refrigeration system, the structure shape of embodiment 1
The heating effect to outdoor can be completed by a condenser for formula or the heating to interior acts on, the structure type of embodiment 2
Outdoor or indoor formation step can be heated by two condensers, so as to improve the heating effect to indoor or outdoors
Fruit so that heating capacity is strengthened.
Preferably, the vaporising device includes the first evaporator 61, the first air entry a and the second air entry b
One end of first evaporator 61 is connected to after connecting by pipeline again；
Or the vaporising device includes that the first evaporator 61 and the second evaporator 62 that step freezes, institute can be formed
State the first air entry a by pipeline with one end of first evaporator 61 to be connected, the second exhaust port b passes through pipeline and institute
The one end for stating the second evaporator 62 is connected.
This is the preferred constructive form and connected mode of the vaporising device of inventive refrigeration system, passes through evaporator
Structure type can complete the refrigeration to outdoor or the refrigeration to interior by an evaporator, pass through two evaporations
The structure type of device can be freezed by two evaporators to outdoor or indoor formation step, so as to improve to indoor or room
Outer refrigeration so that refrigerating capacity is strengthened.
Preferably, when the condensing unit only includes the first condenser 31, and vaporising device includes the He of the first evaporator 61
During the second evaporator 62, the other end of the other end of first evaporator 61 and second evaporator 62 reconnects after connecting
To the other end of first condenser 31.This is the specific connected mode of embodiments of the invention 1, such as Fig. 1, can so be made
A condenser will refrigerant carry out heat release after, enter back into two evaporators complete step refrigeration, improve especially to interior
Refrigerating capacity.
As illustrated in fig. 1, it is preferred that the other end of first evaporator 61 passes through the first pipeline 71 and the described second evaporation
The other end of device 62 is connected on the first intersection point 70 by the second pipeline 72, and first intersection point 70 passes through pipeline and described first again
The other end of condenser 31 is connected, wherein institute of first pipeline 71 for first intersection point 70 and first evaporator 61
State the pipeline section between the other end, it is described another with second evaporator 62 that second pipeline 72 is first intersection point 70
Pipeline section between end.
This is preferred connected mode and the structure shape between two evaporators in the embodiment of the present invention 1 and a condenser
Formula, connection can be realized to the first evaporator and the second evaporator respectively by two independent the first pipelines and the second pipeline,
And then the refrigerant after exothermic condensation in the first condenser is subjected to branch's effect by the first and second two pipelines, respectively
Into in two evaporators, to realize the effect of step evaporation of water.
Preferably, first throttle device 41 is provided with first pipeline 71, is provided with second pipeline 72
Two throttling arrangements 42.The effect of throttling expansion can be carried out to the refrigerant entered in the first pipeline by first throttle device, with
It is entered to completion evaporation endothermic in the first evaporator condition is provided, can be to entering in the second pipeline by second throttling device
Refrigerant carry out throttling expansion effect, by its enter the second evaporator in complete evaporation endothermic condition is provided.
Embodiments of the invention 1 provide a kind of refrigeration system, and the refrigeration system is by compressor 1, four-way valve 21 and 22,
One condenser 31, first throttle device 41, second throttling device 42, the first evaporator 61 and second evaporator 62 etc. form, and
It is sequentially connected by refrigerant line, compressor 1 is provided with the first to the second air entry a, b and gas supplementing opening c, the first and second rows
Gas port d and e, compressor the first air entry a are connected with the S ends of four-way valve 21, the D of the d of exhaust outlet of compressor the first and four-way valve 21
End connection, the C-terminal of four-way valve 21 and E ends connect the first condenser 31 and the first evaporator 61, the second air entry of compressor b respectively
It is connected with the S ends of four-way valve 22, compressor second exhaust port e is connected with the D ends of four-way valve 22, the C-terminal of four-way valve 22 and E ends point
The first condenser 31 and the second evaporator 62 are not connected, and first throttle device 41 is arranged on the first condenser 31 and the second evaporator
Between 62, the 4th throttling arrangement 44 is arranged between the first condenser 31 and the first evaporator 61, compressor the first air entry a and
The first bypass branch ac is provided between gas supplementing opening c, the first stop valve 9, the second air-breathing are provided with the first bypass branch ac
The road bc of the second bypass is provided between mouth b and gas supplementing opening c, the second stop valve 10 is provided with the second bypass branch bc.
Illustrate system operation by taking refrigerating operaton (refrigerant flow direction shown in Fig. 1) as an example below：
The method of operation one：First stop valve 9 is opened, and the second stop valve 10 is closed, and forms Fig. 2 (a) operation forms.By compressing
The refrigerant gas of the HTHP of machine the first and second exhaust outlets d and e discharge enters the first condensation after four-way valve 21 and 22
Device 31, the refrigerant liquid that heat release is changed into medium temperature high pressure is condensed in the first condenser 31, then divide two-way, a part is through first
The refrigerant two-phase mixture for being changed into low-temp low-pressure after the reducing pressure by regulating flow of throttling arrangement 41 enters evaporation endothermic in the first evaporator 61,
The refrigerant superheat gas for being changed into low-temp low-pressure enters through the first air entry a into compression in the second compression chamber A and through gas supplementing opening c
Compressed in 3rd compression chamber C；Refrigerant two-phase mixture through the reducing pressure by regulating flow of second throttling device 42 is in the second evaporator 62
Evaporation endothermic is changed into the refrigerant superheat gas of low-temp low-pressure, enters through the second air entry b in the second compression chamber B and compresses.
The method of operation two：Second stop valve 10 is opened, and the first stop valve 9 is closed, and forms Fig. 2 (b) operation forms.By compressing
The refrigerant gas of the HTHP of machine the first and second exhaust outlets d and e discharge enters the first condensation after four-way valve 21 and 22
Device 31, the refrigerant liquid that heat release is changed into medium temperature high pressure is condensed in the first condenser 31, then divide two-way, a part is through first
The refrigerant two-phase mixture for being changed into low-temp low-pressure after the reducing pressure by regulating flow of throttling arrangement 41 enters evaporation endothermic in the first evaporator 61,
It is changed into the refrigerant superheat gas of low-temp low-pressure and through the first air entry a enters in compression chamber A to compress；Saved through second throttling device 42
The refrigerant superheat gas that the refrigerant two-phase mixture being depressured evaporation endothermic in the second evaporator 62 is changed into low-temp low-pressure is flowed,
Enter in the second compression chamber B to compress and through gas supplementing opening c enter in the 3rd compression chamber C through the second air entry b and compress.
Embodiment two：
As shown in Figure 5, it is preferable that when the condensing unit includes the first condenser 31 and the second condenser 32, also wrap
Include reservoir 5, the other end of first condenser 31 is connected in the reservoir 5 by the 3rd pipeline 73, described second cold
The other end of condenser 32 is connected in the reservoir 5 by the 4th pipeline 74.
This is the preferred constructive form of the embodiment 2 of inventive refrigeration system, can be right by way of setting reservoir
Refrigerant after one or more condenser heat rejection is stored and the mixing for two-way refrigerant, prevents from freezing all the way
Agent to migrating all the way in addition, then is connected to by pipeline and needs to be evaporated in the more than one evaporator of heat absorption, realizes cold
The equilibrium of matchmaker's temperature, the effect of the Balance route of indoor temperature is realized, improve refrigerating efficiency.
Preferably, the 3rd throttling arrangement 43 is provided with the 3rd pipeline 73, is provided with the 4th pipeline 74
Four throttling arrangements 44., can be to cold before entering reservoir by the throttling arrangement set between condenser and reservoir
Matchmaker carries out reducing pressure by regulating flow, so as to which coolant throttle decompression into two-phase fluid, because two-way refrigerant pressure is different before throttling, be passed through
Throttling realizes that two-way pressure is the same, so can be to provide condition into progress evaporation endothermic before evaporator.
Preferably, when the vaporising device includes the first evaporator 61 and the second evaporator 62, first evaporator
61 other end is connected in the reservoir 5 by the 5th pipeline 75, the other end of second evaporator 62 passes through the 6th pipe
Road 76 is connected in the reservoir 5.So the refrigerant in reservoir can be directed into two steamings by different pipelines respectively
Send out in device, so as to complete that the effect of heat absorption is evaporated in two evaporators, and then realize effect and the purpose of step refrigeration；
And the temperature, pressure of the refrigerant fluid guided from reservoir is substantially identical, then carried out to enter in different evaporators
The degree of heat-absorbing action reaches harmonious uniformity as much as possible.
Preferably, the 5th throttling arrangement 45 is provided with the 5th pipeline 75, is provided with the 6th pipeline 76
Six throttling arrangements 46.It is cold after being come out to reservoir by the throttling arrangement set between reservoir and evaporator
Matchmaker carries out reducing pressure by regulating flow, so can be to be evaporated suction into before evaporator so as to which coolant throttle is depressured into two-phase fluid
Hot offer condition.
The embodiment of the present invention two provides a kind of refrigeration system, and the refrigeration system is by compressor 1, four-way valve 21 and 22,
One condenser 31 and the second condenser 32, first throttle device 41, second throttling device 42, reservoir 5, the 3rd throttling arrangement
43rd, the 4th throttling arrangement 44, first and second evaporators 61 and 62 etc. form, and are sequentially connected by refrigerant line, compress
Machine 1 is provided with the first air entry a, the second air entry b and gas supplementing opening c and first row gas port d and second exhaust port e, compressor
One air entry a is connected with the S ends of four-way valve 21, and compressor first row gas port d connects with the D ends of four-way valve 21, the C of four-way valve 21
End and E ends connect the first condenser 31 and the first evaporator 61 respectively, and compressor the second air entry b and four-way valve 22 S ends connect
Connect, compressor second exhaust port e is connected with the D ends of four-way valve 22, and the C-terminal of four-way valve 22 and E ends connect the second condenser respectively
32 and second evaporator 62, first throttle device 41 be arranged between the first condenser 31 and reservoir 5, second throttling device 42
Be arranged between the second condenser 32 and reservoir 5, the 5th throttling arrangement 45 be arranged on the evaporator 61 of reservoir 5 and first it
Between, the 6th throttling arrangement 46 is arranged between the evaporator 62 of reservoir 5 and second, compressor the first air entry a and gas supplementing opening c it
Between be provided with the first bypass branch ac, the first stop valve 9, the second air entry b and tonifying Qi are provided with the first bypass branch ac
The road bc of the second bypass is provided between mouth c, the second stop valve 10 is provided with the second bypass branch bc.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.With
Only it is the preferred embodiment of the present invention described in upper, it is noted that for those skilled in the art, not
On the premise of departing from the technology of the present invention principle, some improvement and modification can also be made, these improvement and modification also should be regarded as this
The protection domain of invention.
Claims (14)
- A kind of 1. refrigeration system, it is characterised in that：Including compressor (1), vaporising device and condensing unit；The compressor includes separate more than two compression chambers；Also include more than one switching compression chamber and more than one gas supplementing opening, the air-breathing of the gas supplementing opening and the compressor Mouth is connected, and the suction end for switching compression chamber is connected with the gas supplementing opening, the exhaust outlet phase of its exhaust end and the compressor Even.
- 2. refrigeration system according to claim 1, it is characterised in that：Separate more than two compression chamber bags Include the first compression chamber (A) and the second compression chamber (B)；The air entry is two, is respectively the first air entry (a) and the second air entry (b), and the exhaust outlet is also two, points Wei not first row gas port (d) and second exhaust port (e), the suction end of first compression chamber and the first air entry (a) phase Even, its exhaust end is connected with the first row gas port (d)；The suction end of second compression chamber and second air entry (b) It is connected, its exhaust end is connected with the second exhaust port (e)；The switching compression chamber is one, is the 3rd compression chamber (C), and the gas supplementing opening (c) is also one, and the 3rd compression The suction end of chamber (C) is the 3rd suction end, is connected with the gas supplementing opening (c) that the exhaust end of the 3rd compression chamber (C) is the 3rd Exhaust end, it is connected with the first row gas port (d).
- 3. refrigeration system according to claim 2, it is characterised in that：The gas supplementing opening (c) passes through the first bypass branch (ac) it is connected with first air entry (a), and the first stop valve (9) is provided with first bypass branch (ac)；With/ Or, the gas supplementing opening (c) is connected by the second bypass branch (bc) with second air entry (b), and the second bypass branch The second stop valve (10) is provided with road (bc).
- 4. according to the refrigeration system any one of claim 2-3, it is characterised in that：It is first compression chamber (A), described Second compression chamber (B) and the 3rd compression chamber (C) are respectively separate air cylinder structure.
- 5. according to the refrigeration system any one of claim 2-3, it is characterised in that：First compression chamber (A) and institute Two compression chambers for stating the 3rd compression chamber (C) to be separated to form by two slide plates by a cylinder, second compression chamber (B) For independent cylinder cavity；Or second compression chamber (B) and the 3rd compression chamber (C) are to be separated to form by a cylinder by two slide plates Two compression chambers, first compression chamber (A) is independent cylinder cavity；Or first compression chamber (A) and second compression chamber (B) are to be separated to form by a cylinder by two slide plates Two compression chambers, the 3rd compression chamber (C) is independent cylinder cavity.
- 6. according to the refrigeration system any one of claim 1-5, it is characterised in that：It is cold that the condensing unit includes first Condenser (31), the first row gas port (d) are connected to first condensation again after connecting with the second exhaust port (e) by pipeline One end of device (31)；Or the condensing unit includes that the first condenser (31) and the second condenser (32) that step heats, institute can be formed State first row gas port (d) by pipeline with one end of first condenser (31) to be connected, the second exhaust port (e) passes through pipe Road is connected with one end of second condenser (32).
- 7. according to the refrigeration system any one of claim 1-6, it is characterised in that：The vaporising device includes first and steamed Device (61) is sent out, first air entry (a) is connected to first evaporation again after connecting with second air entry (b) by pipeline One end of device (61)；Or the vaporising device includes that the first evaporator (61) and the second evaporator (62) that step freezes, institute can be formed State the first air entry (a) by pipeline with one end of first evaporator (61) to be connected, second air entry (b) passes through pipe Road is connected with one end of second evaporator (62).
- 8. refrigeration system according to claim 7, it is characterised in that：When the condensing unit only includes the first condenser (31) when, and vaporising device includes the first evaporator (61) and the second evaporator (62), first evaporator (61) it is another The other end of end and second evaporator (62) is then connected to the other end of first condenser (31) after connecting.
- 9. refrigeration system according to claim 8, it is characterised in that：The other end of first evaporator (61) passes through One pipeline (71) and the other end of second evaporator (62) are connected on the first intersection point (70) by the second pipeline (72), described First intersection point (70) is connected by pipeline with the other end of first condenser (31) again, wherein first pipeline (71) is Pipeline section between first intersection point (70) and the other end of first evaporator (61), second pipeline (72) are Pipeline section between first intersection point (70) and the other end of second evaporator (62).
- 10. refrigeration system according to claim 9, it is characterised in that：First segment is provided with first pipeline (71) Second throttling device (42) is provided with stream device (41), second pipeline (72).
- 11. refrigeration system according to claim 7, it is characterised in that：When the condensing unit includes the first condenser (31) and during the second condenser (32), in addition to reservoir (5), the other end of first condenser (31) pass through the 3rd pipeline (73) it is connected in the reservoir (5), the other end of second condenser (32) is connected to the storage by the 4th pipeline (74) In liquid device (5).
- 12. refrigeration system according to claim 11, it is characterised in that：Section three is provided with 3rd pipeline (73) The 4th throttling arrangement (44) is provided with stream device (43), the 4th pipeline (74).
- 13. according to the refrigeration system any one of claim 11-12, it is characterised in that：When the vaporising device includes When the first evaporator (61) and the second evaporator (62), the other end of first evaporator (61) is connected by the 5th pipeline (75) To in the reservoir (5), the other end of second evaporator (62) reservoir (5) is connected to by the 6th pipeline (76) In.
- 14. refrigeration system according to claim 13, it is characterised in that：Section five is provided with 5th pipeline (75) The 6th throttling arrangement (46) is provided with stream device (45), the 6th pipeline (76).
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| CN114719394A (en) * | 2022-04-29 | 2022-07-08 | 佛山市顺德区美的电子科技有限公司 | Control method of air conditioner |
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