CN206207781U - Compressor and the refrigerating plant with it - Google Patents
Compressor and the refrigerating plant with it Download PDFInfo
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- CN206207781U CN206207781U CN201621176827.9U CN201621176827U CN206207781U CN 206207781 U CN206207781 U CN 206207781U CN 201621176827 U CN201621176827 U CN 201621176827U CN 206207781 U CN206207781 U CN 206207781U
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- compressor
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Abstract
The utility model discloses a kind of compressor and the refrigerating plant with it.Refrigerating plant includes compressor, commutation component, outdoor heat exchanger, indoor heat exchanger and gas-liquid separator, compressor includes housing, the first cylinder, the second cylinder, the 3rd cylinder, base bearing and supplementary bearing, housing is provided with the first air entry, the second air entry and the 3rd air entry, median septum is provided between first cylinder and the second cylinder, base bearing is located on the first cylinder, supplementary bearing is located on the second cylinder, 3rd cylinder is located on the end face away from the second cylinder of supplementary bearing, and the end face away from supplementary bearing of the 3rd cylinder is provided with cylinder cover plate.Refrigerating plant of the present utility model, it is possible to increase limit of power, realizes high performance-price ratio requirement, and simple structure, easily manufactured, safe and reliable.
Description
Technical field
The utility model is related to refrigerating field, more particularly to a kind of compressor and the refrigerating plant with it.
Background technology
On technology is heated, the heating capacity particularly in low outside air temperature will significantly for air conditioner in correlation technique
Decay, it is impossible to reach demand of the user to amount.In addition, with the implementation of air-conditioning APF efficiencies, the deficiency of air conditioner low temperature heating ability
Also it is outstanding day by day.In order to solve the problem, in recent years, gas coolant injection mode is applied on compressor and refrigerating plant again
It is concerned, particularly achieve progress with the research of Multi-cylinder rotation compressor.
Utility model content
The utility model is intended at least solve to a certain extent one of technical problem in correlation technique.Therefore, this reality
It is simple structure, easily manufactured, safe and reliable with a kind of refrigerating plant of new proposition, it is possible to increase limit of power.
The utility model also proposes a kind of compressor.
The utility model has a kind of refrigerating plant with above-mentioned compressor of proposition.
According to the refrigerating plant of the utility model embodiment, including：Compressor, the compressor includes housing, the first gas
Cylinder, the second cylinder, the 3rd cylinder, base bearing and supplementary bearing, first cylinder, second cylinder and the 3rd cylinder point
It is not located in the housing, the housing is provided with the first air entry of the first cylinder, the second air entry of the second cylinder and
3rd air entry of three cylinders, is provided with median septum between first cylinder and second cylinder, the base bearing is located at institute
State on the first cylinder, the supplementary bearing is located on second cylinder, the 3rd cylinder be located at the supplementary bearing away from institute
State on the end face of the second cylinder, the end face away from the supplementary bearing of the 3rd cylinder is provided with cylinder cover plate；Commutation component,
The commutation component includes the first valve port to the 4th valve port, in first valve port and the second valve port and the 3rd valve port wherein one
Individual connection, the 4th valve port is connected with another in second valve port and the 3rd valve port, first valve port with
Blast pipe on the housing is connected, and the 4th valve port is connected with first air entry and second air entry respectively；
Outdoor heat exchanger and indoor heat exchanger, the first end of the outdoor heat exchanger are connected with second valve port, the indoor heat exchange
The first end of device is connected with the 3rd valve port；Gas-liquid separator, the gas-liquid separator include gas interface, first interface and
First throttle element, described second are in series between second end of second interface, the first interface and the outdoor heat exchanger
The second restricting element, the gas interface and the 3rd air-breathing are in series between interface and the second end of the indoor heat exchanger
Mouth is connected.
According to the refrigerating plant of the utility model embodiment, by setting compressor and gas-liquid separator, and the 3rd gas
The direct absorption and separation gaseous coolant out from gas-liquid separator of cylinder, such that it is able in reducing the refrigerant for entering into evaporator
Gaseous coolant content, can improve the heat transfer effect of evaporator, improve the limit of power of compressor, realize that high performance-price ratio will
Ask, and it is simple structure, easily manufactured, safe and reliable.
According to some embodiments of the present utility model, the air-breathing of the aspirated volume of first cylinder and second cylinder
Volume sum is V1, and the aspirated volume of the 3rd cylinder is V2, V1 and V2 satisfaction：V2/V1≤0.4.
Further, it is provided with screen pack in the air intake passage connected with the 3rd air entry of the 3rd cylinder.
According to some embodiments of the present utility model, refrigerating plant also include reservoir, the reservoir be provided with entrance and
Two gas vents, the entrance is connected with the 4th valve port, described two gas vents respectively with first air entry
It is connected with second air entry.
Further, the commutation component is four-way valve.
Further, the first throttle element is capillary or electric expansion valve, and second restricting element is hair
Tubule or electric expansion valve.
According to the compressor of the utility model embodiment, including：Housing, the housing is provided with blast pipe, the first air-breathing
Mouth, the second air entry and the 3rd air entry；First cylinder, the second cylinder and the 3rd cylinder, first cylinder, second gas
Cylinder and the 3rd cylinder are respectively provided in the housing, and first air entry connects with the air intake passage of first cylinder
Logical, second air entry is connected with the air intake passage of second cylinder, the 3rd air entry and the 3rd cylinder
Air intake passage is connected, and median septum is provided between first cylinder and second cylinder；Base bearing and supplementary bearing, the main shaft
Hold and be located on first cylinder, the supplementary bearing is located on second cylinder, the 3rd cylinder is located at the supplementary bearing
The end face away from second cylinder on, the end face away from the supplementary bearing of the 3rd cylinder is provided with cylinder cover plate.
According to the compressor of the utility model embodiment, by setting three cylinders in compressor, so as to improve pressure
The limit of power of contracting machine, realizes high performance-price ratio requirement, is easy to the aligning of multiple cylinders and bent axle to assemble so that the assembling of compressor
Process is simple, simple structure, safe and reliable.
According to some embodiments of the present utility model, the air-breathing of the aspirated volume of first cylinder and second cylinder
Volume sum is V1, and the aspirated volume of the 3rd cylinder is V2, V1 and V2 satisfaction：V2/V1≤0.4.
Further, it is provided with screen pack in the air intake passage of the 3rd cylinder.
According to the refrigerating plant of the utility model embodiment, including above-mentioned compressor.
According to the refrigerating plant of the utility model embodiment, by setting the compression according to the utility model above-described embodiment
Machine, can improve the limit of power of compressor, realize high performance-price ratio requirement, and simple structure, safe and reliable.
Brief description of the drawings
Fig. 1 is the structural representation of the refrigerating plant according to the utility model embodiment；
Fig. 2 is the system circulation pressure-enthalpy chart according to the refrigerating plant of the utility model embodiment；
Fig. 3 is the partial sectional view of the compressor according to the utility model embodiment.
Reference：
Refrigerating plant 100；
Compressor 1；Housing 10；First cylinder 11；First air entry 110；Second cylinder 12；Second air entry 120；
3rd cylinder 13；3rd air entry 130；Base bearing 14；Supplementary bearing 15；Median septum 16；Cylinder cover plate 17；
Blast pipe 18；Screen pack 19；Commutation component 2；First valve port a；Second valve port b；3rd valve port c；
4th valve port d；Outdoor heat exchanger 3；Indoor heat exchanger 4；Gas-liquid separator 5；Gas interface 50；First interface 51；
Second interface 52；First throttle element 53；Second restricting element 54；Reservoir 6；Entrance 60；Gas vent 61.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings.Below by
The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that new to this practicality
The limitation of type.
In description of the present utility model, it is to be understood that term " on ", " interior ", " outward ", etc. instruction orientation or position
The relation of putting is, based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplify description, and
Be not indicate or imply meaning device or element must have specific orientation, with specific azimuth configuration and operation, therefore
It is not intended that to limitation of the present utility model.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In description of the present utility model, " multiple " is meant that at least two, such as two
It is individual, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can be
Mechanically connect, or electrically connect or can communicate each other；Can be joined directly together, it is also possible to by the indirect phase of intermediary
Even, can be two element internals connection or two interaction relationships of element, unless otherwise clearly restriction.For this
For the those of ordinary skill in field, concrete meaning of the above-mentioned term in the utility model can be as the case may be understood.
The compressor 1 according to the utility model embodiment is described below with reference to Fig. 1-Fig. 3.
As shown in figures 1 and 3, the compressor 1 according to the utility model embodiment, including：Housing 10, the first cylinder 11,
Second cylinder 12, the 3rd cylinder 13, base bearing 14 and supplementary bearing 15.
Housing 10 is provided with blast pipe 18, the first air entry 110, the second air entry 120 and the 3rd air entry 130.First
Cylinder 11, the second cylinder 12 and the 3rd cylinder 13 are respectively provided in housing 10, the air-breathing of the first air entry 110 and the first cylinder 11
Channel connection, the second air entry 120 is connected with the air intake passage of the second cylinder 12, the 3rd air entry 130 and the 3rd cylinder 13
Air intake passage is connected, and median septum 16 is provided between the first cylinder 11 and the second cylinder 12.Base bearing 14 is located on the first cylinder 11,
Supplementary bearing 15 is located on the second cylinder 12, and the 3rd cylinder 13 is located on the end face away from the second cylinder 12 of supplementary bearing 15, and the 3rd
The end face away from supplementary bearing 15 of cylinder 13 is provided with cylinder cover plate 17.It is understood that the first cylinder 11, the second cylinder 12
Vane slot and the slide plate being located in vane slot are equipped with each cylinder in the 3rd cylinder 13.First cylinder 11, the second cylinder
12 and the 3rd each cylinder in cylinder 13 cylinder chamber in be accommodated with the piston of eccentric rotary.Each piston jacket is in eccentric shaft
On with by eccentric shaft drive rotate.
Compressor 1 according to the utility model embodiment, by by the 3rd cylinder 13 be located at supplementary bearing 15 away from second
On the end face of cylinder 12, the end face away from supplementary bearing 15 of the 3rd cylinder 13 is provided with cylinder cover plate 17, consequently facilitating multiple gas
The aligning assembling of cylinder and bent axle so that the assembling process of compressor 1 is simple, it is simple structure, safe and reliable, while improve compression
The limit of power of machine 1.
According to some embodiments of the present utility model, the aspirated volume of the aspirated volume of the first cylinder 11 and the second cylinder 12
Sum is V1, and the aspirated volume of the 3rd cylinder 13 is V2, V1 and V2 satisfaction：V2/V1≤0.4.So that the energy of refrigerating plant 100
Effect is optimal.
Further, it is provided with screen pack 19 in the air intake passage of the 3rd cylinder 13.And then in can avoiding gaseous coolant
Impurity is entered directly into the 3rd cylinder 13 of compressor 1, and then improves the reliability of the work of compressor 1.
Refrigerating plant 100 according to the utility model embodiment, including above-mentioned compressor 1, wherein refrigerating plant 100 can
Think single cooler or air conditioner.
Refrigerating plant 100 according to the utility model embodiment, by setting according to the utility model above-described embodiment
Compressor 1, is easy to the aligning of multiple cylinders and bent axle to assemble so that the assembling process of compressor 1 is simple, simple structure, safety
It is reliable, while improve the limit of power of compressor 1, realize high performance-price ratio requirement.
The refrigerating plant 100 according to the utility model embodiment, wherein refrigerating plant 100 are described below with reference to Fig. 1-Fig. 3
It is air conditioner.Refrigerant used by refrigerating plant 100 is the mixing of any one in HCFC, HFC, HC, HFO or more refrigerant
Thing.
As shown in Figure 1-Figure 3, the refrigerating plant 100 according to the utility model embodiment, including：According on the utility model
State compressor 1, commutation component 2, outdoor heat exchanger 3, indoor heat exchanger 4 and the gas-liquid separator 5 of embodiment.
Commutation component 2 includes the first valve port d of valve port a to the 4th, in the first valve port a and the second valve port b and the 3rd valve port c
One of connection, the 4th valve port d is connected with another in the second valve port b and the 3rd valve port c, the first valve port a and housing 10
On blast pipe 18 be connected, the 4th valve port d is connected with the first air entry 110 and the second air entry 120 respectively.Outdoor heat exchanger 3
First end be connected with the second valve port b, the first end of indoor heat exchanger 4 is connected with the 3rd valve port c.Such that it is able to meet refrigeration dress
100 different demands are put, facilitates refrigerating plant 100 to reach the purpose of cold and hot switching.When cooling, the first valve port a and the second valve
Mouth b is connected and the 3rd valve port c is connected with the 4th valve port d, and when heating, the first valve port a is connected and the second valve port with the 3rd valve port c
B is connected with the 4th valve port d.
Gas-liquid separator 5 includes gas interface 50, first interface 51 and second interface 52, first interface 51 and outdoor heat exchange
First throttle element 53 is in series between second end of device 3, is in series between second interface 52 and the second end of indoor heat exchanger 4
Second restricting element 54, gas interface 50 is connected with the 3rd air entry 130.
When refrigerating plant 100 freezes, indoor heat exchanger 4 is evaporator, and outdoor heat exchanger 3 is condenser, the first valve port a
Connected with the second valve port b, the 4th valve port d is connected with the 3rd valve port c.The refrigerant of the HTHP of the discharge of compressor 1 passes through first
First valve port a and the second valve port b enter into condensation in outdoor heat exchanger 3 and radiate to be condensed into liquid refrigerants, then liquid refrigerants
Entered into gas-liquid separator 5 by the first interface 51 after the decrease temperature and pressure of first throttle element 53 by gas-liquid separator 5, entered
Gas-liquid separation is carried out in the inside of gas-liquid separator 5 to the refrigerant in gas-liquid separator 5, the liquid refrigerants separated is by gas
Entered into indoor heat exchanger 4 after the restricting element 54 of second interface 52 and second of liquid/gas separator 5, it is cold in heat exchanger 4 indoors
Matchmaker turns into overheated gas after absorbing heat, and last refrigerant flow back into pressure respectively by the first air entry 110 and the second air entry 120
In first cylinder 11 and the second cylinder 12 of contracting machine 1 and it is compressed into the gas of HTHP.And the gaseous state in gas-liquid separator 5
Refrigerant is then flow back into the 3rd cylinder 13 of compressor 1 simultaneously by the air entry 130 of gas interface 50 and the 3rd of gas-liquid separator 5
It is compressed into the gas of HTHP.Further entered into by blast pipe 18 together by three refrigerants of cylinder compression of compressor 1
Outdoor heat exchanger 3, such iterative cycles（The flow direction of refrigerant when arrow represents that refrigerating plant 100 freezes in Fig. 1）.
When refrigerating plant 100 is heated, indoor heat exchanger 4 is condenser, and outdoor heat exchanger 3 is evaporator, the first valve port a
Connected with the 3rd valve port c, the 4th valve port d is connected with the second valve port b.The refrigerant of the HTHP of the discharge of compressor 1 passes through first
First valve port a and the 3rd valve port c enter into condensation in indoor heat exchanger 4 and radiate to be condensed into liquid refrigerants, then liquid refrigerants
Entered into gas-liquid separator 5 by the second interface 52 after the decrease temperature and pressure of the second restricting element 54 by gas-liquid separator 5, entered
Gas-liquid separation is carried out in the inside of gas-liquid separator 5 to the refrigerant in gas-liquid separator 5, the liquid refrigerants separated is by gas
Entered into outdoor heat exchanger 3 after the first interface 51 and first throttle element 53 of liquid/gas separator 5, it is cold in outdoor heat exchanger 3
Matchmaker turns into overheated gas after absorbing heat, and last refrigerant flow back into pressure respectively by the first air entry 110 and the second air entry 120
In first cylinder 11 and the second cylinder 12 of contracting machine 1 and it is compressed into the gas of HTHP.And the gaseous state in gas-liquid separator 5
Refrigerant is then flow back into the 3rd cylinder 13 of compressor 1 simultaneously by the air entry 130 of gas interface 50 and the 3rd of gas-liquid separator 5
It is compressed into the gas of HTHP.Further entered into by blast pipe 18 together by three refrigerants of cylinder compression of compressor 1
Indoor heat exchanger 4, such iterative cycles.
Refrigerating plant 100 according to the utility model embodiment, by setting compressor 1 and gas-liquid separator 5, and
The direct absorption and separation gaseous coolant out from gas-liquid separator 5 of three cylinders 13, evaporator is entered into such that it is able to reduce
Gaseous coolant content in refrigerant, can improve the heat transfer effect of evaporator, while the ability model of compressor 1 can be improve
Enclose, realize high performance-price ratio requirement, and it is simple structure, easily manufactured, safe and reliable.
Specifically, refrigerating plant 100 also includes reservoir 6, and reservoir 6 is provided with entrance 60 and two gas vents 61, enters
Mouth 60 is connected with the 4th valve port d, and two gas vents 61 are connected with the first air entry 110 and the second air entry 120 respectively.So as to
The refrigerant flowed out from evaporator will first pass through reservoir 6 before compressor 1 is flowed back to.The setting of reservoir 6 avoids compression
Machine 1 sucks the reliability that liquid refrigerants produces liquid hammer and influences the work of compressor 1 on compressor 1.Simultaneously by reservoir 6
Two gas vents 61 of upper setting, it is ensured that the coolant quantity entered into the first cylinder 11 and the second cylinder 12, reduce compressor 1
The pressure loss, improve refrigerating plant 100 service life.
According to some embodiments of the present utility model, commutation component 2 is four-way valve.So as to simple structure is easy to operate.
Further, the restricting element 54 of first throttle element 53 and second can be respectively capillary or electronic expansion
Valve.Such that it is able to play a part of reducing pressure by regulating flow to refrigerant.It is understood that the restricting element of first throttle element 53 and second
54 structure not limited to this, as long as disclosure satisfy that the reducing pressure by regulating flow effect to refrigerant, for example：First throttle element 53 and
Two restricting elements 54 are respectively heating power expansion valve.
The operation principle of the refrigerating plant 100 according to the utility model embodiment is described below with reference to Fig. 1 and Fig. 2.
When refrigerating plant 100 freezes, the first cylinder 11 and the second cylinder 12 pass through reservoir 6 by gaseous coolant from air-breathing
The isentropic Compression of state point 1 is to exhaust condition point 2.3rd cylinder 13 is by the isentropic Compression of saturated-vapor state point 3 to exhaust condition point
3'.The 2 points and 3' high-temperature gases of point discharge compressor 1 after the internal mix of housing 10, subsequently into outdoor heat exchanger 3, in room
Condensation radiates to condense to state point 5 in external heat exchanger 3.State point 5 is cooled to state point 6 through certain mistake.State point 6 is through first segment
Fluid element 53 throttles to gas-liquid mixture phase point 7.Gas-liquid mixture phase point 7 carries out gas-liquid separation after gas-liquid separator 5, separates
The saturated-vapor state point 3 for going out enters the 3rd cylinder 13.Saturated liquid state point 8 after being separated through gas-liquid separator 5 is through second
The reducing pressure by regulating flow of restricting element 54 is to evaporating pressure state point 9.Two-phase state point 9 forms low-temp low-pressure after indoor heat exchanger 4
Overheated gas state point 1, in entering into reservoir 6 then into the first cylinder 11 and the second cylinder 12, and so on circulates.
Below with reference to Fig. 1 and Fig. 3 to being carried out according to the structure of refrigerating plant 100 of a specific embodiment of the present utility model
Describe in detail.It should be understood that, following explanation only has exemplary, and those of ordinary skill is reading this practicality newly
After the following technical proposals of type, it is clear that technical scheme therein or some technical characteristics can be combined or replaced
Change, change, this is also fallen within the protection domain required by the utility model.
As shown in figures 1 and 3, the refrigerating plant 100 according to the utility model embodiment, including：Compressor 1, commutation group
Part 2, outdoor heat exchanger 3, indoor heat exchanger 4, gas-liquid separator 5 and reservoir 6.
Compressor 1 includes housing 10, the first cylinder 11, the second cylinder 12, the 3rd cylinder 13, base bearing 14 and supplementary bearing
15, the first cylinder 11, the second cylinder 12 and the 3rd cylinder 13 are respectively provided in housing 10, and housing 10 is provided with the first cylinder 11
Second air entry 120 and the 3rd air entry 130 of the 3rd cylinder 13 of the first air entry 110, the second cylinder 12, the first cylinder 11
And second be provided with median septum 16 between cylinder 12, base bearing 14 is located on the first cylinder 11, and supplementary bearing 15 is located at the second cylinder 12
On, the 3rd cylinder 13 is located on the end face away from the second cylinder 12 of supplementary bearing 15, the 3rd cylinder 13 away from supplementary bearing 15
End face is provided with cylinder cover plate 17, and screen pack 19 is provided with the air intake passage connected with the 3rd air entry 130 of the 3rd cylinder 13.
The aspirated volume sum of the aspirated volume of the first cylinder 11 and the second cylinder 12 is V1, and the air-breathing of the 3rd cylinder 13 is held
Product meets for V2, V1 and V2：V2/V1≤0.4.
Gas-liquid separator 5 includes gas interface 50, first interface 51 and second interface 52, first interface 51 and outdoor heat exchange
First throttle element 53 is in series between second end of device 3, is in series between second interface 52 and the second end of indoor heat exchanger 4
Second restricting element 54, the wherein restricting element 54 of first throttle element 53 and second is electric expansion valve.Gas interface 50 with
3rd air entry 130 is connected.Liquid storage pipe is provided with entrance 60 and two gas vents 61.
Commutation component 2 is four-way valve, and commutation component 2 includes that the first valve port a to the 4th valve port d, the second valve port b are changed with outdoor
Hot device 3 is connected, and the 3rd valve port c is connected with indoor heat exchanger 4.First valve port a is connected with the blast pipe 18 on housing 10, the 4th valve
Mouth d is connected with the entrance 60 of reservoir 6, and two gas vents 61 of liquid storage pipe are inhaled with the first air entry 110 and second respectively
Gas port 120 is connected.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be with
Combined in an appropriate manner in any one or more embodiments or example.Additionally, in the case of not conflicting, this area
Technical staff the feature of the different embodiments or example described in this specification and different embodiment or example can be entered
Row is combined and combined.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in scope of the present utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (10)
1. a kind of refrigerating plant, it is characterised in that including：
Compressor, the compressor includes housing, the first cylinder, the second cylinder, the 3rd cylinder, base bearing and supplementary bearing, described
First cylinder, second cylinder and the 3rd cylinder are respectively provided in the housing, and the housing is provided with the first cylinder
The first air entry, the second air entry of the second cylinder and the 3rd cylinder the 3rd air entry, first cylinder and described
Median septum is provided between two cylinders, the base bearing is located on first cylinder, and the supplementary bearing is located at second cylinder
On, the 3rd cylinder is located on the end face away from second cylinder of the supplementary bearing, the 3rd cylinder away from institute
The end face for stating supplementary bearing is provided with cylinder cover plate；
Commutation component, the commutation component includes the first valve port to the 4th valve port, first valve port and the second valve port and the 3rd
One of connection in valve port, the 4th valve port is connected with another in second valve port and the 3rd valve port,
First valve port is connected with the blast pipe on the housing, the 4th valve port respectively with first air entry and described
Two air entries are connected；
Outdoor heat exchanger and indoor heat exchanger, the first end of the outdoor heat exchanger are connected with second valve port, the interior
The first end of heat exchanger is connected with the 3rd valve port；
Gas-liquid separator, the gas-liquid separator includes gas interface, first interface and second interface, the first interface and institute
First throttle element, the second interface and the second of the indoor heat exchanger are in series between the second end for stating outdoor heat exchanger
The second restricting element is in series between end, the gas interface is connected with the 3rd air entry.
2. refrigerating plant according to claim 1, it is characterised in that the aspirated volume of first cylinder and described second
The aspirated volume sum of cylinder is V1, and the aspirated volume of the 3rd cylinder is V2, V1 and V2 satisfaction：V2/V1≤0.4.
3. refrigerating plant according to claim 1, it is characterised in that the 3rd cylinder connects with the 3rd air entry
Screen pack is provided with logical air intake passage.
4. refrigerating plant according to claim 1, it is characterised in that also including reservoir, the reservoir is provided with entrance
With two gas vents, the entrance is connected with the 4th valve port, described two gas vents respectively with first air-breathing
Mouth is connected with second air entry.
5. refrigerating plant according to claim 1, it is characterised in that the commutation component is four-way valve.
6. refrigerating plant according to claim 1, it is characterised in that the first throttle element is capillary or electronics
Expansion valve, second restricting element is capillary or electric expansion valve.
7. a kind of compressor, it is characterised in that including：
Housing, the housing is provided with blast pipe, the first air entry, the second air entry and the 3rd air entry；
First cylinder, the second cylinder and the 3rd cylinder, first cylinder, second cylinder and the 3rd cylinder set respectively
In the housing, first air entry is connected with the air intake passage of first cylinder, second air entry with it is described
The air intake passage connection of the second cylinder, the 3rd air entry is connected with the air intake passage of the 3rd cylinder, first gas
Median septum is provided between cylinder and second cylinder；
Base bearing and supplementary bearing, the base bearing are located on first cylinder, and the supplementary bearing is located on second cylinder,
3rd cylinder is located on the end face away from second cylinder of the supplementary bearing, the 3rd cylinder away from the pair
The end face of bearing is provided with cylinder cover plate.
8. compressor according to claim 7, it is characterised in that the aspirated volume of first cylinder and second gas
The aspirated volume sum of cylinder is V1, and the aspirated volume of the 3rd cylinder is V2, V1 and V2 satisfaction：V2/V1≤0.4.
9. compressor according to claim 7, it is characterised in that be provided with filtering in the air intake passage of the 3rd cylinder
Net.
10. a kind of refrigerating plant, it is characterised in that including the compressor according to any one of claim 7-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621176827.9U CN206207781U (en) | 2016-10-26 | 2016-10-26 | Compressor and the refrigerating plant with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621176827.9U CN206207781U (en) | 2016-10-26 | 2016-10-26 | Compressor and the refrigerating plant with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206207781U true CN206207781U (en) | 2017-05-31 |
Family
ID=58758160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621176827.9U Withdrawn - After Issue CN206207781U (en) | 2016-10-26 | 2016-10-26 | Compressor and the refrigerating plant with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206207781U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106568225A (en) * | 2016-10-26 | 2017-04-19 | 广东美芝制冷设备有限公司 | Compressor and refrigeration device with same |
-
2016
- 2016-10-26 CN CN201621176827.9U patent/CN206207781U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106568225A (en) * | 2016-10-26 | 2017-04-19 | 广东美芝制冷设备有限公司 | Compressor and refrigeration device with same |
| CN106568225B (en) * | 2016-10-26 | 2022-11-15 | 广东美芝制冷设备有限公司 | Compressor and refrigerating plant who has it |
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