CN205858680U - Compressor and there is its cold-warm type refrigerating plant, single cold type refrigerating plant - Google Patents
Compressor and there is its cold-warm type refrigerating plant, single cold type refrigerating plant Download PDFInfo
- Publication number
- CN205858680U CN205858680U CN201620809803.6U CN201620809803U CN205858680U CN 205858680 U CN205858680 U CN 205858680U CN 201620809803 U CN201620809803 U CN 201620809803U CN 205858680 U CN205858680 U CN 205858680U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- valve port
- heat exchanger
- compressor
- suction nozzle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Compressor (AREA)
Abstract
The utility model discloses a kind of compressor and there is its cold-warm type refrigerating plant, single cold type refrigerating plant.Compressor includes: housing, the first cylinder and the second cylinder.Housing is provided with exhaustor, the first suction nozzle and the second suction nozzle.First cylinder is provided with first exhaust passage and the first air intake passage connected with the first suction nozzle, and the aspirated volume of the first cylinder is V1, and the minimum flow area of the first air intake passage is S1.Second cylinder is provided with second exhaust passage and the second air intake passage connected with the second suction nozzle, the aspirated volume of the second cylinder is V2, the minimum flow area of the second air intake passage is S2, the pressure of inspiration(Pi) of the second cylinder is more than the pressure of inspiration(Pi) of the first cylinder, and the first cylinder and the second cylinder meet following relational expression: 1.2*V2/V1≤S2/S1.According to the compressor of this utility model embodiment, reduce the pressure of inspiration(Pi) loss of the second cylinder, it is ensured that the compressed gas indicated efficiency of the second cylinder is higher.
Description
Technical field
This utility model relates to refrigerating field, especially relate to a kind of compressor and have its cold-warm type refrigerating plant,
Single cold type refrigerating plant.
Background technology
Air conditioner is heating in technology at present, and the particularly heating capacity in low outside air temperature will significantly be decayed, nothing
Method reaches the demand of user's calorific requirement.It addition, along with the enforcement of air-conditioning APF efficiency, the deficiency of air conditioner low temperature heating ability is day by day
Prominent, need seeking solution.
In order to solve this difficult problem, in recent years, gas coolant injection mode is applied on compressor and refrigerating plant extremely
Pay close attention to, particularly use the research of duplex-cylinder rotary compressor to achieve progress.
Utility model content
One of technical problem that this utility model is intended to solve in correlation technique the most to a certain extent.
To this end, the utility model proposes a kind of compressor, the compressed gas indicated efficiency of the second cylinder is higher.
This utility model also proposes a kind of cold-warm type refrigerating plant with above-mentioned compressor.
This utility model proposes again a kind of single cold type refrigerating plant with above-mentioned compressor.
According to the compressor of this utility model embodiment, including: housing, described housing is provided with exhaustor, the first air-breathing
Pipe and the second suction nozzle；First cylinder, described first cylinder is located in described housing, and described first cylinder is provided with first exhaust
Passage and the first air intake passage connected with described first suction nozzle, the aspirated volume of described first cylinder is V1, described first
The minimum flow area of air intake passage is S1；Second cylinder, described second cylinder is located in described housing, on described second cylinder
Being provided with second exhaust passage and the second air intake passage connected with described second suction nozzle, the aspirated volume of described second cylinder is
V2, the minimum flow area of described second air intake passage is S2, and the pressure of inspiration(Pi) of described second cylinder is more than described first cylinder
Pressure of inspiration(Pi), described first cylinder and described second cylinder meet following relational expression: 1.2*V2/V1≤S2/S1.
According to the compressor of this utility model embodiment, by making 1.2*V2/V1≤S2/S1, thus reduce the second gas
The pressure of inspiration(Pi) loss of cylinder, it is ensured that the compressed gas indicated efficiency of the second cylinder is higher so that compressor has preferably efficiency,
And be simple to manufacture, safe and reliable.
In embodiments more of the present utility model, described first cylinder and described second cylinder also meet following relation
Formula: 1.4*V2/V1≤A2/A1, wherein A1 is the minimum flow area of first exhaust passage, and A2 is the minimum of second exhaust passage
Flow area.
Further, described first cylinder and described second cylinder also meet following relational expression: A2/A1≤4*V2/V1.
Further, described first cylinder and described second cylinder also meet following relational expression: S2/S1≤5*V2/V1.
In embodiments more of the present utility model, in described second air intake passage, it is provided with drainage screen.
Cold-warm type refrigerating plant according to this utility model embodiment, including: according to this utility model above-described embodiment
Compressor；Commutation assembly, described commutation assembly includes the first valve port to the 4th valve port, described first valve port and the second valve port and the
Another in one of them connection in three valve ports, described 4th valve port and described second valve port and described 3rd valve port connects
Logical, described first valve port is connected with described exhaustor, and described 4th valve port and the first suction nozzle are connected；Indoor heat exchanger and outdoor
Heat exchanger, the first end of described indoor heat exchanger is connected with described second valve port, and the first end of described outdoor heat exchanger is with described
3rd valve port is connected；Flash vessel, described flash vessel is provided with first interface and changes with described indoor to the 3rd interface, described first interface
It is in series with first throttle element between second end of hot device, is in series with between the second interface and the second end of described outdoor heat exchanger
Second section fluid element, described 3rd interface is connected with described second suction nozzle.
Cold-warm type refrigerating plant according to this utility model embodiment, by being provided with according to this utility model above-described embodiment
Compressor, reduce the second cylinder pressure of inspiration(Pi) loss, it is ensured that the compressed gas indicated efficiency of the second cylinder is higher so that pressure
Contracting facility have preferably efficiency.
Further, described compressor also includes that reservoir, described reservoir are provided with inlet and outlet, described import and institute
Stating the 4th valve port to be connected, described outlet is connected with described first suction nozzle.
Preferably, described commutation assembly is cross valve.
Alternatively, described first throttle element is capillary tube, electric expansion valve or heating power expansion valve, described second throttling
Element is capillary tube, electric expansion valve or heating power expansion valve.
Single cold type refrigerating plant according to this utility model embodiment, including: according to this utility model above-described embodiment
Compressor；Indoor heat exchanger and outdoor heat exchanger, the first end of described indoor heat exchanger and the first suction nozzle are connected, described outdoor
First end of heat exchanger is connected with exhaustor；Flash vessel, described flash vessel is provided with first interface to the 3rd interface, and described first connects
Mouthful and the second end of described indoor heat exchanger between be in series with first throttle element, the of the second interface and described outdoor heat exchanger
Being in series with second section fluid element between two ends, described 3rd interface is connected with described second suction nozzle.
Single cold type refrigerating plant according to this utility model embodiment, by being provided with according to this utility model above-described embodiment
Compressor, reduce the second cylinder pressure of inspiration(Pi) loss, it is ensured that the compressed gas indicated efficiency of the second cylinder is higher so that pressure
Contracting facility have preferably efficiency.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the compressor according to some embodiments of this utility model；
Fig. 2 is the schematic diagram of the compressor according to other embodiments of this utility model；
Fig. 3 is flow area ratio and the second cylinder compression gas instruction of the air intake passage of the first cylinder and the second cylinder
Variation relation curve chart between efficiency；
Fig. 4 is flow area ratio and the second cylinder compression gas instruction of the exhaust passage of the first cylinder and the second cylinder
Variation relation curve chart between efficiency；
Fig. 5 is the schematic diagram of the cold-warm type refrigerating plant according to this utility model embodiment；
Fig. 6 is the system circulation pressure-enthalpy chart of the cold-warm type refrigerating plant shown in Fig. 5；
Fig. 7 is the schematic diagram of the single cold type refrigerating plant according to this utility model embodiment.
Reference:
Cold-warm type refrigerating plant 1000, single cold type refrigerating plant 2000,
Compressor 100, housing 1, exhaustor the 10, first suction nozzle the 11, second suction nozzle 12,
First cylinder 2, first exhaust passage the 20, first air intake passage 21,
Second cylinder 3, second exhaust passage the 30, second air intake passage 31,
Motor 4, bent axle 5, first piston the 6, second piston 7, drainage screen 9,
Reservoir 8, import m, outlet n,
Commutation assembly the 200, first valve port a, the second valve port b, the 3rd valve port c, the 4th valve port d,
Indoor heat exchanger 300, outdoor heat exchanger 400,
Flash vessel 500, first interface e, the second interface f, the 3rd interface g,
First throttle element the 600, the 7th restricting element 700.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings.Below by
The embodiment being described with reference to the drawings is exemplary, it is intended to be used for explaining this utility model, and it is not intended that new to this practicality
The restriction of type.
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", " suitable
Hour hands ", " counterclockwise ", " axially ", " radially ", the orientation of the instruction such as " circumferential " or position relationship be based on orientation shown in the drawings
Or position relationship, be for only for ease of describe this utility model and simplify describe rather than instruction or hint indication device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity 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 " are meant that at least two, such as two
Individual, three etc., unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " Gu
Fixed " etc. term should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be
Be mechanically connected, it is also possible to be electrical connection or each other can communication；Can be to be joined directly together, it is also possible to by the indirect phase of intermediary
Even, can be connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For this
For the those of ordinary skill in field, above-mentioned term concrete meaning in this utility model can be understood as the case may be.
The compressor 100 according to this utility model embodiment, wherein compressor 100 are described in detail below with reference to Fig. 1-Fig. 4
Internal coolant used can be any one of HCFC, HFC, HC, HFO apoplexy due to endogenous wind, or the mixture of more than one coolant.
As depicted in figs. 1 and 2, according to the compressor 100 of this utility model embodiment, including: housing the 1, first cylinder 2 and
Second cylinder 3, wherein, housing 1 is provided with exhaustor the 10, first suction nozzle 11 and the second suction nozzle 12.First cylinder 2 is located at shell
In body 1, the first cylinder 2 is provided with first exhaust passage 20 and the first air intake passage 21 connected with the first suction nozzle 11, and first
The aspirated volume of cylinder 2 is V1, and the minimum flow area of the first air intake passage 21 is S1.It is to say, the first cylinder 2 is provided with
First exhaust passage 20 and the first air intake passage 21, the first air intake passage 21 connects with the first suction nozzle 11, first exhaust passage
20 connect with exhaustor 10.
Second cylinder 3 is located in housing 1, and the second cylinder 3 is provided with second exhaust passage 30 and connects with the second suction nozzle 12
The second logical air intake passage 31, say, that the second cylinder 3 is provided with second exhaust passage 30 and the second air intake passage 31, the
Two air intake passages 31 connect with the second suction nozzle 12, and second exhaust passage 30 connects with exhaustor 10.The air-breathing of the second cylinder 3 is held
Amassing as V2, the minimum flow area of the second air intake passage 31 is S2.
It is understood that compressor 100 also includes the elements such as motor 4, bent axle 5, first piston 6 and the second piston 7, electricity
Machine 4 is located in housing 1, and the rotor of motor 4 is fixed on bent axle 5 to drive bent axle 5 to rotate, first piston 6 and 7 points of the second piston
It is enclosed within bent axle 5 to be driven rotation by bent axle 5 outside, the eccentric cylinder chamber being located at the first cylinder 2 rotationally of first piston 6
In, in the eccentric cylinder chamber being located at the second cylinder 3 rotationally of the second piston 7, first exhaust passage 20 and second exhaust passage
Being equipped with air bleeding valve on 30, compressor 100 has been prior art to the contraction principle of coolant, is not described in detail.
The pressure of inspiration(Pi) of the second cylinder 3 is more than the pressure of inspiration(Pi) of the first cylinder 2, and therefore the air-breathing density of the second cylinder 3 is also
Higher than the first cylinder 2, as in figure 2 it is shown, the first cylinder 2 and the second cylinder 3 meet following relational expression: 1.2*V2/V1≤S2/S1.
Compressor 100 according to this utility model embodiment, by making 1.2*V2/V1≤S2/S1, thus reduces by second
The pressure of inspiration(Pi) loss of cylinder 3, it is ensured that the compressed gas indicated efficiency of the second cylinder 3 is higher so that compressor 100 has more excellent
Efficiency, and be simple to manufacture, safe and reliable.
Although the first cylinder 2 is identical with the pressure at expulsion of the second cylinder 3, but the first cylinder 2 and the second cylinder 3 are because of air-breathing
Pressure difference causes air bleeding valve to be switched on separately in time, the most as shown in Figure 4, in embodiments more of the present utility model, the
One cylinder 2 and the second cylinder 3 also meet following relational expression: 1.4*V2/V1≤A2/A1, and wherein A1 is first exhaust passage 20
Minimum flow area, A2 is the minimum flow area of second exhaust passage 30.Such that it is able to be further ensured that the pressure of the second cylinder 3
Contracting gas indicated efficiency is higher so that compressor 100 has preferably efficiency.
If the minimum flow area A2 of the second exhaust passage 30 of the second cylinder 3 is the most excessive, then can cause the second gas
Cylinder 3 clearance volume is bigger than normal, can reduce the compression indicated efficiency of the second cylinder 3 equally, therefore in further reality of the present utility model
Executing in example, the first cylinder 2 and the second cylinder 3 also meet following relational expression: A2/A1≤4*V2/V1.Such that it is able to be further ensured that
The compressed gas indicated efficiency of the second cylinder 3 is higher so that compressor 100 has preferably efficiency.
If the minimum flow area S2 of the second air intake passage 31 of the second cylinder 3 is the most excessive, then can cause the second suction
The air-breathing of gas passage 31 is closed and is postponed, and reduces the compression indicated efficiency of the second cylinder 3, therefore according to realities more of the present utility model
Executing example, the first cylinder 2 and the second cylinder 3 also meet following relational expression: S2/S1≤5*V2/V1.Such that it is able to be further ensured that
The compressed gas indicated efficiency of two cylinders 3 is higher so that compressor 100 has preferably efficiency.
As in figure 2 it is shown, in embodiments more of the present utility model, be provided with drainage screen 9 in the second air intake passage 31.Thus
Impurity can be avoided to be directly entered the second cylinder 3, improve compressor 100 reliability.Specifically, drainage screen 9 can be fixed on
Can also be fixed on two suction nozzles 12 on the internal perisporium of the second air intake passage 31.
Describing the cold-warm type refrigerating plant 1000 according to this utility model embodiment in detail below with reference to Fig. 1-Fig. 6, this is cold
Warm type refrigerating plant 1000 has refrigeration mode and heating mode.
As it is shown in figure 5, according to the cold-warm type refrigerating plant 1000 of this utility model embodiment, including: new according to this practicality
The compressor 100 of type above-described embodiment, commutation assembly 200, indoor heat exchanger 300, outdoor heat exchanger 400 and flash vessel 500.Its
Middle commutation assembly 200 includes in the first valve port a to the 4th valve port d, the first valve port a and the second valve port b and the 3rd valve port c wherein
One connection, another connection in the 4th valve port d and the second valve port b and the 3rd valve port c, the first valve port a and exhaustor 10 phase
Even, the 4th valve port d and the first suction nozzle 11 are connected.First end of indoor heat exchanger 300 and the second valve port b are connected, outdoor heat exchange
First end of device 400 and the 3rd valve port c are connected.When cold-warm type refrigerating plant 1000 freezes, the first valve port a and the 3rd valve port c is even
Logical and the second valve port b and the 4th valve port d connects, and when cold-warm type refrigerating plant 1000 heats, the first valve port a and the second valve port b is even
Logical and the 3rd valve port c and the 4th valve port d connects.
Preferably, commutation assembly 200 is cross valve.Of course, it should be understood that commutation assembly 200 may be formed as it
His structure, as long as having the first valve port a to the 4th valve port d and can realizing commutating.
Flash vessel 500 is provided with first interface e to the 3rd interface g, and flash vessel 500 has the effect of gas-liquid separation, and first connects
First throttle element 600, the second interface f and outdoor heat exchanger 400 it is in series with between mouth e and the second end of indoor heat exchanger 300
The second end between be in series with second section fluid element 700, the 3rd interface g and the second suction nozzle 12 are connected.Wherein first throttle unit
Part 600 and second section fluid element 700 all play the effect of reducing pressure by regulating flow.Alternatively, first throttle element 600 is capillary tube, electricity
Sub-expansion valve or heating power expansion valve, second section fluid element 700 is capillary tube, electric expansion valve or heating power expansion valve.
When cold-warm type refrigerating plant 1000 freezes, the coolant discharged from the first cylinder 2 and the second cylinder 3 passes through compressor
The exhaustor 10 of 100 and commutation assembly 200 flow to outdoor heat exchanger 400 and carry out condensation heat radiation, discharge from outdoor heat exchanger 400
Coolant divides by carrying out gas-liquid in being drained into flash vessel 500 by the second interface f after the reducing pressure by regulating flow of second section fluid element 700
From, the liquid refrigerants separated flows to first throttle element 600 by first interface e and carries out reducing pressure by regulating flow, from first throttle
The coolant row that element 600 is discharged is evaporated heat absorption to indoor heat exchanger 300, and the coolant discharged from indoor heat exchanger 300 passes through
Commutation assembly 200 and the first suction nozzle 11 are compressed in flowing to the first cylinder 2.The gaseous coolant separated connects by the 3rd
Mouth g and the second suction nozzle 12 row are compressed to the second cylinder 3.It follows that the pressure of inspiration(Pi) of the first suction nozzle 11 is less than the
The pressure of inspiration(Pi) of two suction nozzles 12.When refrigeration, outdoor heat exchanger 400 is condenser, and indoor heat exchanger 300 is vaporizer.
When cold-warm type refrigerating plant 1000 heats, the coolant discharged from the first cylinder 2 and the second cylinder 3 passes through compressor
The exhaustor 10 of 100 and commutation assembly 200 flow to indoor heat exchanger 300 and carry out condensation heat radiation, discharge from indoor heat exchanger 300
Coolant divides by carrying out gas-liquid in being drained into flash vessel 500 by first interface e after the reducing pressure by regulating flow of first throttle element 600
From, the liquid refrigerants separated flows to second section fluid element 700 by the second interface f and carries out reducing pressure by regulating flow, from the second throttling
The coolant row that element 700 is discharged is evaporated heat absorption to outdoor heat exchanger 400, and the coolant discharged from outdoor heat exchanger 400 passes through
Commutation assembly 200 and the first suction nozzle 11 are compressed in flowing to the first cylinder 2.The gaseous coolant separated connects by the 3rd
Mouth g and the second suction nozzle 12 row are compressed to the second cylinder 3.It follows that the pressure of inspiration(Pi) of the first suction nozzle 11 is less than the
The pressure of inspiration(Pi) of two suction nozzles 12.When heating, indoor heat exchanger 300 is condenser, and outdoor heat exchanger 400 is vaporizer.
With reference to shown in Fig. 6, in the first cylinder 2 by gas working medium from suction condition point 1 isentropic Compression to exhaust condition point 2.
Second cylinder 3 is by saturated-vapor state point 3 isentropic Compression to exhaust condition point 3'.The high-temperature gas of 2 and 3' point is in housing 1
Entering condenser after portion's mixing, after condenser heat exchange, condensation is to state point 5.The coolant of state point 5 is cooled to shape through certain mistake
State point 6.The coolant of state point 6 throttles to gas-liquid mixture phase point 7 through restricting element.The coolant of gas-liquid mixture phase point 7 is through dodging
Steaming device 500 laggard row gas-liquid separation, isolated saturated-vapor state point 3 enters the second cylinder 3.After flash vessel 500 separates
Saturated liquid state point 8 through restricting element throttle to evaporating pressure state point 9.Biphase state point 9 is formed low after vaporizer
Temperature low area overheat gaseous state point 1, enters in the first cylinder 2.
Cold-warm type refrigerating plant 1000 according to this utility model embodiment, by being provided with according to the above-mentioned reality of this utility model
Execute the compressor 100 of example, reduce the pressure of inspiration(Pi) loss of the second cylinder 3, it is ensured that the compressed gas indicated efficiency of the second cylinder 3 is relatively
High so that compressor 100 has preferably efficiency.
In embodiments more of the present utility model, as shown in Fig. 1 and Fig. 2, Fig. 5, compressor 100 also includes reservoir 8,
Reservoir 8 is provided with import m and outlet n, import m and the 4th valve port d are connected, and outlet n and the first suction nozzle 11 are connected.Wherein liquid storage
Device 8 can play the effect of gas-liquid separation, carries out gas-liquid separation in the coolant of the 4th valve port d discharge is drained into reservoir 8, point
The gaseous coolant separated out is compressed, such that it is able to avoid the first gas in being drawn into the first cylinder 2 by the first suction nozzle 11
There is liquid hit phenomenon in cylinder 2, it is also possible to avoids impurity to enter in the first cylinder 2, improves the reliability of compressor 100.
The single cold type refrigerating plant 2000 according to this utility model embodiment is described in detail below with reference to Fig. 1-Fig. 4, Fig. 7.
As it is shown in fig. 7, according to the single cold type refrigerating plant 2000 of this utility model embodiment, including: new according to this practicality
Compressor 100, indoor heat exchanger 300, outdoor heat exchanger 400 and flash vessel 500 described in type above-described embodiment.Indoor heat exchanger
First end and first suction nozzle 11 of 300 are connected, and the first end of outdoor heat exchanger 400 is connected with exhaustor 10.
Flash vessel 500 is provided with first interface e to the 3rd interface g, and flash vessel 500 has the effect of gas-liquid separation, and first connects
First throttle element 600, the second interface f and outdoor heat exchanger 400 it is in series with between mouth e and the second end of indoor heat exchanger 300
The second end between be in series with second section fluid element 700, the 3rd interface g and the second suction nozzle 12 are connected.Wherein first throttle unit
Part 600 and second section fluid element 700 all play the effect of reducing pressure by regulating flow.Alternatively, first throttle element 600 is capillary tube, electricity
Sub-expansion valve or heating power expansion valve, second section fluid element 700 is capillary tube, electric expansion valve or heating power expansion valve.
When single cold type refrigerating plant 2000 freezes, the coolant discharged from the first cylinder 2 and the second cylinder 3 passes through compressor
The exhaustor 10 of 100 flows to outdoor heat exchanger 400 and carries out condensation heat radiation, and the coolant discharged from outdoor heat exchanger 400 passes through second
Carry out gas-liquid separation in being drained into flash vessel 500 by the second interface f after the reducing pressure by regulating flow of restricting element 700, separate
Liquid refrigerants flows to first throttle element 600 by first interface e and carries out reducing pressure by regulating flow, discharges from first throttle element 600
Coolant row is evaporated heat absorption to indoor heat exchanger 300, and the coolant discharged from indoor heat exchanger 300 is flowed by the first suction nozzle 11
It is compressed in the first cylinder 2.The gaseous coolant separated is pressed to the second cylinder 3 by the second suction nozzle 12 row
Contracting.It follows that the pressure of inspiration(Pi) of the first suction nozzle 11 is less than the pressure of inspiration(Pi) of the second suction nozzle 12.
Single cold type refrigerating plant 2000 according to this utility model embodiment, by being provided with according to the above-mentioned reality of this utility model
Execute the compressor 100 of example, reduce the pressure of inspiration(Pi) loss of the second cylinder 3, it is ensured that the compressed gas indicated efficiency of the second cylinder 3 is relatively
High so that compressor 100 has preferably efficiency.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score
Can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, first is special
Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " permissible
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment of the present utility model or example.In this manual, the schematic table to above-mentioned term
State and be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature are permissible
One or more embodiment in office or example combine in an appropriate manner.Additionally, in the case of the most conflicting, this area
Technical staff the feature of the different embodiments described in this specification or example and different embodiment or example can be entered
Row combines and combination.
Although above it has been shown and described that embodiment of the present utility model, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as that those of ordinary skill in the art is in scope of the present utility model to restriction of the present utility model
In above-described embodiment can be changed, revise, replace and modification.
Claims (10)
1. a compressor, it is characterised in that including:
Housing, described housing is provided with exhaustor, the first suction nozzle and the second suction nozzle；
First cylinder, described first cylinder is located in described housing, described first cylinder be provided with first exhaust passage and with institute
Stating the first air intake passage of the first suction nozzle connection, the aspirated volume of described first cylinder is V1, described first air intake passage
Minimum flow area is S1；
Second cylinder, described second cylinder is located in described housing, described second cylinder be provided with second exhaust passage and with institute
Stating the second air intake passage of the second suction nozzle connection, the aspirated volume of described second cylinder is V2, described second air intake passage
Minimum flow area is S2, and the pressure of inspiration(Pi) of described second cylinder is more than the pressure of inspiration(Pi) of described first cylinder, described first gas
Cylinder and described second cylinder meet following relational expression: 1.2*V2/V1≤S2/S1.
Compressor the most according to claim 1, it is characterised in that described first cylinder and described second cylinder also meet such as
Lower relational expression: 1.4*V2/V1≤A2/A1, wherein A1 is the minimum flow area of first exhaust passage, and A2 is second exhaust passage
Minimum flow area.
Compressor the most according to claim 2, it is characterised in that described first cylinder and described second cylinder also meet such as
Lower relational expression: A2/A1≤4*V2/V1.
4. according to the compressor according to any one of claim 1-3, it is characterised in that described first cylinder and described second gas
Cylinder also meets following relational expression: S2/S1≤5*V2/V1.
Compressor the most according to claim 1, it is characterised in that be provided with drainage screen in described second air intake passage.
6. a cold-warm type refrigerating plant, it is characterised in that including:
According to the compressor according to any one of claim 1-5；
Commutation assembly, described commutation assembly includes the first valve port to the 4th valve port, described first valve port and the second valve port and the 3rd
One of them connection in valve port, described 4th valve port connects with another in described second valve port and described 3rd valve port,
Described first valve port is connected with described exhaustor, and described 4th valve port and the first suction nozzle are connected；
Indoor heat exchanger and outdoor heat exchanger, the first end of described indoor heat exchanger is connected with described second valve port, described outdoor
First end of heat exchanger is connected with described 3rd valve port；
Flash vessel, described flash vessel is provided with first interface to the 3rd interface, the of described first interface and described indoor heat exchanger
It is in series with first throttle element between two ends, between the second interface and the second end of described outdoor heat exchanger, is in series with the second throttling
Element, described 3rd interface is connected with described second suction nozzle.
Cold-warm type refrigerating plant the most according to claim 6, it is characterised in that described compressor also includes reservoir, institute
Stating reservoir and be provided with inlet and outlet, described import is connected with described 4th valve port, described outlet and described first suction nozzle phase
Even.
Cold-warm type refrigerating plant the most according to claim 6, it is characterised in that described commutation assembly is cross valve.
Cold-warm type refrigerating plant the most according to claim 6, it is characterised in that described first throttle element be capillary tube,
Electric expansion valve or heating power expansion valve, described second section fluid element is capillary tube, electric expansion valve or heating power expansion valve.
10. a single cold type refrigerating plant, it is characterised in that including:
According to the compressor according to any one of claim 1-5；
Indoor heat exchanger and outdoor heat exchanger, the first end of described indoor heat exchanger and the first suction nozzle are connected, and described outdoor is changed
First end of hot device is connected with exhaustor；
Flash vessel, described flash vessel is provided with first interface to the 3rd interface, the of described first interface and described indoor heat exchanger
It is in series with first throttle element between two ends, between the second interface and the second end of described outdoor heat exchanger, is in series with the second throttling
Element, described 3rd interface is connected with described second suction nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620809803.6U CN205858680U (en) | 2016-07-28 | 2016-07-28 | Compressor and there is its cold-warm type refrigerating plant, single cold type refrigerating plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620809803.6U CN205858680U (en) | 2016-07-28 | 2016-07-28 | Compressor and there is its cold-warm type refrigerating plant, single cold type refrigerating plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205858680U true CN205858680U (en) | 2017-01-04 |
Family
ID=57653913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620809803.6U Withdrawn - After Issue CN205858680U (en) | 2016-07-28 | 2016-07-28 | Compressor and there is its cold-warm type refrigerating plant, single cold type refrigerating plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205858680U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089712A (en) * | 2016-07-28 | 2016-11-09 | 广东美芝制冷设备有限公司 | Compressor and there is its cold-warm type refrigerating plant, single cold type refrigerating plant |
| WO2018018516A1 (en) * | 2016-07-28 | 2018-02-01 | 广东美芝制冷设备有限公司 | Compressor as well as cooling-heating refrigeration device and cooling-only refrigeration device having same |
| CN113266568A (en) * | 2021-06-22 | 2021-08-17 | 广东美芝制冷设备有限公司 | Suction and exhaust structure, compressor and refrigeration equipment |
-
2016
- 2016-07-28 CN CN201620809803.6U patent/CN205858680U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089712A (en) * | 2016-07-28 | 2016-11-09 | 广东美芝制冷设备有限公司 | Compressor and there is its cold-warm type refrigerating plant, single cold type refrigerating plant |
| WO2018018516A1 (en) * | 2016-07-28 | 2018-02-01 | 广东美芝制冷设备有限公司 | Compressor as well as cooling-heating refrigeration device and cooling-only refrigeration device having same |
| CN106089712B (en) * | 2016-07-28 | 2018-12-28 | 广东美芝制冷设备有限公司 | Compressor and cold-warm type refrigerating plant, single cold type refrigerating plant with it |
| CN113266568A (en) * | 2021-06-22 | 2021-08-17 | 广东美芝制冷设备有限公司 | Suction and exhaust structure, compressor and refrigeration equipment |
| CN113266568B (en) * | 2021-06-22 | 2023-01-31 | 广东美芝制冷设备有限公司 | Suction and exhaust structure, compressor and refrigeration equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105698425B (en) | Refrigerating plant | |
| CN105135738B (en) | A kind of Gas-supplying enthalpy-increasing heat pump type air conditioning system for lifting heat exchanger heat exchange property | |
| CN106089712A (en) | Compressor and there is its cold-warm type refrigerating plant, single cold type refrigerating plant | |
| CN205349730U (en) | Cylinder, rotary compressor , single cold system and heat pump system | |
| CN205619611U (en) | Adopt wind cold die piece heat pump set of evaporation formula condensation | |
| CN205858680U (en) | Compressor and there is its cold-warm type refrigerating plant, single cold type refrigerating plant | |
| CN106568225A (en) | Compressor and refrigeration device with same | |
| CN105737459A (en) | Air conditioner | |
| CN105065273B (en) | Rotary compressor and the freezing cycle device with it | |
| CN110173931A (en) | Can supply cold wind, hot wind, hot water, cold water system | |
| CN108318273A (en) | A kind of multi-cycle heat pump experimental bench | |
| CN205843117U (en) | Refrigeration system | |
| CN100507400C (en) | Capacity adjustable vortex compressor refrigeration system with main return loop installed with ejector | |
| CN101625176B (en) | Quasi-tertiary compressed air source hot pump system | |
| CN106196675A (en) | Air-conditioner | |
| CN106369863A (en) | Refrigerating device | |
| CN205641697U (en) | Air -conditioner | |
| CN207960940U (en) | cylinder, compression mechanism and compressor | |
| CN205448417U (en) | Heat exchange system | |
| CN106895596B (en) | Rotary compressor and refrigeration system with it | |
| CN206207781U (en) | Compressor and the refrigerating plant with it | |
| CN201093735Y (en) | Instantaneous hot wind cool heat pump water heater | |
| CN105464950B (en) | Compressor and with its refrigerating circulatory device | |
| CN206207780U (en) | Refrigerating plant | |
| CN208311040U (en) | Compressor and refrigerating plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170104 Effective date of abandoning: 20181228 |
|
| AV01 | Patent right actively abandoned |