CN205641645U - Single -cooling air conditioner - Google Patents
Single -cooling air conditioner Download PDFInfo
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- CN205641645U CN205641645U CN201620390776.3U CN201620390776U CN205641645U CN 205641645 U CN205641645 U CN 205641645U CN 201620390776 U CN201620390776 U CN 201620390776U CN 205641645 U CN205641645 U CN 205641645U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model discloses a single -cooling air conditioner, include: double -cylinder compressor, outdoor heat exchanger, indoor heat exchanger, vapour and liquid separator, refrigerant radiator, the induction port and the first reservoir intercommunication of first cylinder, the value range of the exhaust volume ratio of second cylinder and first cylinder is 1%~10%, vapour and liquid separator includes gas outlet, first interface and second interface, and the gas outlet links to each other with the second cylinder, and it has an aperture adjustable throttling element to establish ties between first interface and the outdoor heat exchanger, and it has the 2nd throttling element of aperture adjustable to establish ties between second interface and the indoor heat exchanger. The refrigerant radiator is established ties between an outdoor heat exchanger and a throttling element. The utility model discloses a single -cooling air conditioner effectively improves the air conditioner efficiency.
Description
Technical field
This utility model relates to refrigerating field, especially relates to a kind of single cold type air-conditioner.
Background technology
Gaseous refrigerant after throttling and before entering vaporizer is not carried out excellent by current air-conditioning refrigeration system
Change cyclic design, cause gaseous refrigerant to affect evaporator heat exchange performance, and increase compressor compresses power consumption,
Thus have influence on energy efficiency of air conditioner level.Air injection enthalpy-increasing and Two-stage Compression technology can improve air conditioning system low
Heating capacity level under gentle ultralow temperature, but for the commonly used cooling condition of air-conditioning, efficiency promotes non-
The most limited.
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 single cold type air-conditioner, energy efficiency of air conditioner can be effectively improved, have
Effect promotes energy-saving and emission-reduction.
Single cold type air-conditioner according to this utility model embodiment, including: duplex cylinder compressor, described twin-tub pressure
Contracting machine includes housing, the first cylinder, the second cylinder and the first reservoir, and described housing is provided with air vent,
Described first cylinder and described second cylinder are respectively provided in described housing, and described first reservoir is located at described
Outside housing, the air entry of described first cylinder connects with described first reservoir, described second cylinder and described
The span of the delivery space ratio of the first cylinder is 1%～10%；Outdoor heat exchanger and indoor heat exchanger,
First end of described outdoor heat exchanger is connected with described air vent, and the first end of described indoor heat exchanger is with described
First reservoir is connected；Gas-liquid separator, described gas-liquid separator includes gas outlet, first interface and
Two interfaces, described gas outlet is connected with the air entry of described second cylinder, described first interface and described room
Second end of external heat exchanger is connected, and described second interface is connected with the second end of described indoor heat exchanger, described
Being in series with aperture adjustable first throttle element between first interface and described outdoor heat exchanger, described second connects
It is in series with aperture adjustable second section fluid element between mouth and described indoor heat exchanger；For electric control element is entered
The coolant radiator of row heat radiation, described coolant radiator tandem is at described outdoor heat exchanger and described first throttle
Between element.
Single cold type air-conditioner according to this utility model embodiment, by arranging above-mentioned duplex cylinder compressor, permissible
It is effectively improved energy efficiency of air conditioner, effectively facilitates energy-saving and emission-reduction, simultaneously by arranging gas-liquid separator, Ke Yiti
High heat exchange efficiency, reduces compressor compresses power consumption, improves air-conditioner ability and efficiency further, further through setting
Put coolant radiator, electric control element can be carried out effective temperature-reducing.
In embodiments more of the present utility model, described first throttle element is electric expansion valve, described
Two restricting elements are electric expansion valve.
In embodiments more of the present utility model, the air entry of described gas outlet and described second cylinder it
Between be in series with electromagnetic valve.
In embodiments more of the present utility model, the span of gas-liquid separator volume is
100mL-500mL。
In embodiments more of the present utility model, described duplex cylinder compressor also includes being located at outside described housing
Second reservoir, described second reservoir be connected on described gas outlet and described second cylinder air entry it
Between.
Preferably, the volume of described first reservoir is more than the volume of the second reservoir.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the single cold type air-conditioner according to this utility model embodiment；
Fig. 2 is the signal of the single cold type air-conditioner being provided with the second reservoir according to this utility model embodiment
Figure；
Fig. 3 is the single cold type air-conditioning being provided with electromagnetic valve and the second reservoir according to this utility model embodiment
The schematic diagram of device；
Fig. 4 is the schematic diagram of the duplex cylinder compressor according to this utility model embodiment；
Fig. 5 is the flow process of the control method during single cold type air-conditioner refrigeration according to this utility model embodiment
Figure.
Reference:
Single cold type air-conditioner 100,
Duplex cylinder compressor 1, housing the 10, first cylinder the 11, second cylinder the 12, first reservoir 13,
Two reservoirs 14, air vent 15,
Outdoor heat exchanger 3, indoor heat exchanger 4,
Gas-liquid separator 5, gas outlet m, first interface f, the second interface g,
First throttle element 6, second section fluid element 7,
Coolant radiator 9,
Electromagnetic valve 20.
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.Under
Face is exemplary by the embodiment being described with reference to the drawings, it is intended to be used for explaining this utility model, and can not
It is interpreted as restriction of the present utility model.
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " horizontal stroke
To ", " length ", " width ", " 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 close
System, for based on orientation shown in the drawings or position relationship, is for only for ease of description this utility model and simplification is retouched
State rather than indicate or imply that the device of indication or element must have specific orientation, with specific orientation
Structure and operation, therefore it is not intended that to restriction of the present utility model.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or dark
Show 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.Retouch of the present utility model
In stating, " multiple " are meant that at least two, such as two, three etc., unless otherwise the most concrete
Limit.
In this utility model, unless otherwise clearly defined and limited, term " install ", " being connected ",
" connect ", the term such as " fixing " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be
Removably connect, or integral；Can be mechanically connected, it is also possible to be electrical connection or each other can communication；Can
Being to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two element internals connection or
The interaction relationship of two elements, unless otherwise clear and definite restriction.For those of ordinary skill in the art
For, above-mentioned term concrete meaning in this utility model can be understood as the case may be.
The single cold type air-conditioner 100 according to this utility model embodiment is described in detail below with reference to Fig. 1-Fig. 4,
Wherein single cold type air-conditioner 100 has refrigeration mode.
As Figure 1-Figure 4, according to the single cold type air-conditioner 100 of this utility model embodiment, including: double
Cylinder compressor 1, outdoor heat exchanger 3 and indoor heat exchanger 4, gas-liquid separator 5, first throttle element 6,
Second section fluid element 7, coolant radiator 9.Wherein duplex cylinder compressor 1 include housing the 10, first cylinder 11,
Second cylinder 12 and the first reservoir 13, housing 10 is provided with air vent 15, the first cylinder 11 and second
Cylinder 12 is respectively provided in housing 10, and the first reservoir 13 is located at outside housing 10, the first cylinder 11
Air entry and the first reservoir 13 connect.It is to say, the first cylinder 11 and the second cylinder 12 are carried out solely
Vertical compression process, the coolant after the compression that the first cylinder 11 is discharged and the compression from the second cylinder 12 discharge
After coolant be drained into housing 10 respectively in then discharge from air vent 15.
The span of the delivery space ratio of the second cylinder 12 and the first cylinder 11 is 1%～10%.Enter one
Step ground, the span of the delivery space ratio of the second cylinder 12 and the first cylinder 11 is 1%～9%, preferably
Ground, the span of the delivery space ratio of the second cylinder 12 and the first cylinder 11 is 4%～9%.Such as
The delivery space ratio of two cylinders 12 and the first cylinder 11 can be the parameter such as 4%, 5%, 8% or 8.5%.
First end of outdoor heat exchanger 3 is connected with air vent 15, the first end of indoor heat exchanger 4 and first
Reservoir 13 is connected.Gas-liquid separator 5 includes gas outlet m, first interface f and the second interface g, gas
The air entry of body outlet m and the second cylinder 12 is connected, first interface f and the second end of outdoor heat exchanger 3
Being connected, the second interface g is connected with the second end of indoor heat exchanger 4, first interface f and outdoor heat exchanger 3
Between be in series with aperture adjustable first throttle element 6, between the second interface g and indoor heat exchanger 4 connect
There is aperture adjustable second section fluid element 7.Alternatively, first throttle element 6 is electric expansion valve, second
Restricting element 7 is electric expansion valve, it is of course possible to be understood by, first throttle element 6 and the second throttling unit
Part 7 all can also is that other apertures adjustable element such as heating power expansion valve.
Coolant radiator 9 is for dispelling the heat to electric control element, and coolant radiator 9 is connected on outdoor heat exchanger
Between 3 and first throttle element 6.It is understood that the structure of coolant radiator 9 can be for multiple many
The coolant as long as sample can circulate, such as coolant radiator 9 can include the metal tube extended that wriggles.
When single cold type air-conditioner 100 freezes, the high temperature discharged from the air vent 15 of duplex cylinder compressor 1 is high
Pressure coolant is drained in outdoor heat exchanger 3 and carries out condensation heat radiation, the liquid refrigerants discharged from outdoor heat exchanger 3
It is flowed in coolant radiator 9 and carries out heat exchange with electric control element, thus realize reducing the temperature of electric control element
Purpose.The coolant flowed out from coolant radiator 9 after the one-level reducing pressure by regulating flow of first throttle element 6 from the
One interface f is drained in gas-liquid separator 5 and carries out gas-liquid separation, the intermediate pressure gaseous coolant separated
It is drained in the second cylinder 12 from gas outlet m and is compressed.
From the intermediate pressure liquid coolant of the second interface g discharge of gas-liquid separator 5 through second section fluid element
Heat exchange is carried out to reduce indoor environment temperature in being drained into indoor heat exchanger 4 after the two-step throttle blood pressure lowering of 7, from
Indoor heat exchanger 4 discharge coolant be drained in the first reservoir 13, from first reservoir 13 discharge cold
Matchmaker is compressed in being drained into the first cylinder 11.
Thus analyzing and understand, when single cold type air-conditioner 100 runs, the coolant of different pressures state enters respectively
Enter in the first cylinder 11 and the second cylinder 12, the first cylinder 11 and the compression of the second cylinder 12 complete independently
Process, from first cylinder 11 discharge compression after coolant and from second cylinder 12 discharge compression after cold
Matchmaker discharges from air vent 15 after mixing in being discharged to housing 10, simultaneously because the second cylinder 12 and the first cylinder
The span of the delivery space ratio of 11 is 1%～10%, the coolant row that flow is less and pressure state is higher
Enter and be compressed in less the second cylinder 12 of delivery space, such that it is able to improve efficiency, energy-saving and emission-reduction.
Simultaneously by being provided with gas-liquid separator 5 between outdoor heat exchanger 3 and indoor heat exchanger 4, thus gas
Liquid/gas separator 5 is compressed in being expelled back into the second cylinder 12 after being separated by a part of gaseous coolant, by
This is flowed into the gas content in the coolant of indoor heat exchanger 4 when reducing refrigeration, decrease gaseous coolant pair
As the impact of heat exchange property of the indoor heat exchanger 4 of vaporizer, such that it is able to improve heat exchange efficiency, reduce
Compressor compresses power consumption.
Single cold type air-conditioner 100 according to this utility model embodiment, by arranging above-mentioned duplex cylinder compressor 1,
Energy efficiency of air conditioner can be effectively improved, effectively facilitate energy-saving and emission-reduction, simultaneously by arranging gas-liquid separator 5,
Heat exchange efficiency can be improved, reduce compressor compresses power consumption, improve air-conditioner ability and efficiency further, again
Owing to arranging coolant radiator 9, electric control element can be carried out effective temperature-reducing.
As it is shown on figure 3, in embodiments more of the present utility model, gas outlet m and the second cylinder 12
Air entry between be in series with electromagnetic valve 20, thus when the liquid coolant in gas-liquid separator 5 is beyond safety
During liquid level, liquid refrigerants can be avoided to enter in the second cylinder 12 by closing electromagnetic valve 20, thus can
To avoid duplex cylinder compressor 1 that liquid hammer occurs, extend the service life of duplex cylinder compressor 1.Further, may be used
To arrange liquid level sensor on gas-liquid separator 5, control electromagnetism by the testing result of liquid level sensor
The open and-shut mode of valve 20.
In embodiments more of the present utility model, the span of the volume of gas-liquid separator 5 is
100mL-500mL。
In embodiments more of the present utility model, as shown in Figures 2 and 3, duplex cylinder compressor 1 also includes
The second reservoir 14 being located at outside housing 10, the second reservoir 14 is connected on gas outlet m and the second gas
Between the air entry of cylinder 12.Thus it is provided by the second reservoir 14, can be to from gas-liquid separator 5
Gas outlet m discharge coolant carry out further gas-liquid separation, liquid coolant can be avoided further to return to
In second cylinder 12, thus avoid duplex cylinder compressor 1 that liquid hit phenomenon occurs, improve duplex cylinder compressor 1
Service life.
In further embodiment of the present utility model, the volume of the first reservoir 13 is more than the second reservoir
The volume of 14.Thus on the premise of the decrement ensureing the second cylinder 12, by making the second reservoir
The volume of 14 is less, can reduce cost.Preferably, the volume of the second reservoir 14 is not more than the first storage
/ 2nd of liquid device 13 volume.
Single cold type air-conditioner according to this utility model above-described embodiment (is set specified refrigeration by utility model people
Amount is 3.5kw, and the delivery space ratio of the second cylinder and the first cylinder is set as 7.6%) in different operating modes
Under efficiency compare with existing single cold type air-conditioner efficiency at the same conditions, counted as follows
According to:
It follows that according to the single cold type air-conditioner of this utility model embodiment relative to existing single cold type pressure
Contracting machine, each operating mode efficiency and annual efficiency APF are all obviously improved.
This utility model of different specified refrigerating capacitys and different delivery space ratio is implemented by utility model people simultaneously
The single cold type air-conditioner of example compares with the single cold type air-conditioner under existing identical operating mode, finds that efficiency is equal
Have lifting, through overtesting, such as utility model people finds that the single cold type air-conditioner of this utility model embodiment (sets
Quota customization cold is 2.6kw, and the delivery space ratio of the second cylinder and the first cylinder is set as 9.2%)
Compared with the single cold type air-conditioner under existing identical operating mode, efficiency improves 7.3%.
The control of the single cold type air-conditioner according to this utility model embodiment is described in detail below with reference to Fig. 1-Fig. 5
Method processed, wherein single cold type air-conditioner is the single cold type air-conditioner according to this utility model above-described embodiment.
Control method according to this utility model embodiment comprises the steps: first according to right to the first detection
The testing result of elephant adjusts the aperture of first throttle element, then according to the testing result to the second detection object
Adjusting the aperture of second section fluid element, the setting aperture of first throttle element is less than the setting of second section fluid element
Aperture, the testing result of the first detection object is different from the testing result of the second detection object.Needs are said
Bright, the testing result of the first detection object is different from the testing result of the second detection object refers to first
Restricting element and second section fluid element can not use same state parameter to be adjusted controlling simultaneously, in other words,
Relevant parameter needed for regulating first throttle element and needed for regulating second section fluid element
Relevant parameter is different.
Wherein the first detection object includes outdoor environment temperature, the running frequency of duplex cylinder compressor, air vent
Delivery temperature, the pressure at expulsion of air vent, from gas outlet discharge coolant intermediate pressure, go out from gas
At least one in the medium temperature of the coolant that mouth is discharged.Second detection object includes outdoor environment temperature, double
The running frequency of cylinder compressor, the delivery temperature of air vent, the pressure at expulsion of air vent, from gas outlet arrange
The intermediate pressure of the coolant gone out, the coolant discharged from gas outlet medium temperature at least one.
It is to say, as it is shown in figure 5, when single cold type air-conditioner runs, acquisition process controls first throttle
Parameter needed for element and second section fluid element, the parameter that then basis obtains is all that first regulation first throttle is first
The aperture of part, until setting aperture, regulates the aperture of second section fluid element the most again until setting aperture, when the
One restricting element and second section fluid element all regulate to when setting aperture, and the aperture of first throttle element is less than the
The aperture of two restricting elements.Of course, it should be understood that acquisition process controls the ginseng needed for first throttle element
The step of the parameter needed for number and acquisition process control second section fluid element can be carried out simultaneously can also be successively
Carry out.
After the aperture of first throttle element and the aperture of second section fluid element are satisfied by condition, can run
After the n second, detection the first detection object and the second detection object, then adjust first according to testing result again
Restricting element and the aperture of second section fluid element, so repeat.Certainly repeat condition is not limited to this, such as may be used
With after receiving the operational order of user, detection the first detection object and second detects object, then again
First throttle element and the aperture of second section fluid element is adjusted according to testing result.In other words, when refrigeration,
After the aperture of first throttle element and second section fluid element is satisfied by condition, can run the n second or
After receiving the operation signal of user, to first throttle element and the relevant parameter of the aperture of second section fluid element
Again detect judgement, then adjust first throttle element and the aperture of second section fluid element according to result of determination,
So repeat.
The control method of the single cold type air-conditioner according to this utility model embodiment, by first regulating first throttle
The aperture of element regulates the aperture of second section fluid element the most again, so that the efficiency of system reaches optimum.
Control method according to the several specific embodiment of this utility model is described below.
Embodiment 1:
In this embodiment, the first detection object and the second detection object are outdoor environment temperature T4 and fortune
Line frequency F, is calculated first throttle unit according to the outdoor environment temperature T4 detected and running frequency F
The setting aperture of part and second section fluid element, then according to set aperture adjust corresponding first throttle element and
The aperture of second section fluid element.
It is understood that computing formula is located in the electric control element of single cold type air-conditioner in advance, computing formula
Specifically can limit according to practical situation.
Specifically, during refrigeration, aperture LA_cool_1 of first throttle element and outdoor environment temperature T4 and fortune
Relational expression between line frequency F is: LA_cool_1=a1·F+b1T4+c1, when aperture LA_cool_1 calculated
When being more than the actual aperture of the first throttle element gathered, the aperture of first throttle element is increased to calculating and opens
Degree；Otherwise turn down.
Pass between aperture LA_cool_2 and outdoor environment temperature T4 and running frequency F of second section fluid element
It is that formula is: LA_cool_2=a2·F+b2T4+c2, when aperture LA_cool_2 calculated is more than second gathered
During the actual aperture of restricting element, increase to the aperture of second section fluid element calculate aperture；Otherwise turn down.
Wherein, 0≤a1≤ 20,0≤b1≤ 20 ,-50≤c1≤100；0≤a2≤ 30,0≤b2≤ 30 ,-50≤c2≤150
Control coefrficient a, b, c can be all 0, when one coefficient of any of which is zero, it was demonstrated that this coefficient is corresponding
Parameter on restricting element aperture without impact.
Such as when refrigeration, detecting that outdoor environment temperature is 35 DEG C, compressor operating frequency is 58Hz,
Set a1=1, b1=1.6, c1=6；a2=1.5, b2=1.6, c2=17.First system according to the frequency collected and
T4 value, the aperture calculating first throttle element should be 120, and the aperture adjusting first throttle element arrives
120；Then the aperture calculating second section fluid element is 160, adjusts the aperture of second section fluid element to 160.
After maintaining aperture 200s of two restricting elements, detection compressor operating frequency and T4 value again；Or root
According to user's adjustment to air-conditioning, detection compressor operating frequency and T4 value, to first throttle element and second
Restricting element is readjusted.
According to this adjustment mode, air conditioner Energy Efficiency Ratio equivalent specifications air-conditioner in the market, efficiency is high
6.5%.
Embodiment 2:
In this embodiment, the first detection object is outdoor environment temperature T4 and running frequency F, first root
The setting aperture of first throttle element, then root it is calculated according to outdoor environment temperature T4 and running frequency F
According to the aperture setting aperture adjustment first throttle element；
Second detection object is outdoor environment temperature T4, running frequency F and pressure at expulsion；Or the second inspection
Surveying object is outdoor environment temperature T4, running frequency F and delivery temperature, first according to outdoor environment temperature
T4 and running frequency F are calculated setting pressure at expulsion or set delivery temperature, then examine according to reality
The pressure at expulsion measured or delivery temperature adjust the aperture of second section fluid element so that the aerofluxus that detects
Pressure or delivery temperature reach set pressure at expulsion or set delivery temperature.
Specifically, during refrigeration, aperture LA_cool_1 of first throttle element and outdoor environment temperature T4 and fortune
Relational expression between line frequency F is: LA_cool_1=a1·F+b1T4+c1, when aperture LA_cool_1 calculated
When being more than the actual aperture of the first throttle element gathered, the aperture of first throttle element is increased to calculating and opens
Degree；Otherwise turn down.
When the second detection object includes delivery temperature, delivery temperature TP and outdoor environment temperature T4 and operation
Relational expression between frequency F is: TP_cool=a2·F+b2T4+c2, when the second detection object includes exhaust pressure
During power, the relational expression between pressure at expulsion P row and outdoor environment temperature T4 and running frequency F is:
P row _ cool=a3·F+b3T4+c3, when the delivery temperature collected or pressure at expulsion are more than the setting row calculated
When temperature or setting pressure at expulsion, open the aperture of big second section fluid element；Otherwise turn down.Wherein
0≤a1≤ 20,0≤b1≤ 20 ,-50≤c1≤ 100,0≤a2≤ 30,0≤b2≤ 30 ,-50≤c2≤ 150,0≤a3≤ 30,
0≤b3≤ 30 ,-50≤c3≤150.Control coefrficient a, b, c can be all 0, when one coefficient of any of which is
When zero, it was demonstrated that parameter corresponding to this coefficient on restricting element aperture without impact.
Such as when refrigeration, detecting that outdoor environment temperature is 35 DEG C, compressor operating frequency is 58Hz,
Set a1=1, b1=1.6, c1=6；a2=0.5, b2=0.4, c2=31；a3=0.25, b3=0.2, c2=3.9.First system root
According to the frequency collected and T4 value, the aperture calculating first throttle element should be 120, adjusts first
The aperture of restricting element is to 120, and then system is according to the frequency used and T4 value, calculates second section
It is 2.54MPa that delivery temperature TP_cool that fluid element is corresponding is 74 DEG C or pressure at expulsion P row _ cool,
At this moment the aperture of whole second section fluid element is teased and ridicule according to delivery temperature TP detected or pressure at expulsion P,
When the delivery temperature detected is more than 74 DEG C (or the pressure at expulsion P row detected is more than 2.54Mpa),
Progressively strengthen the aperture (can be by regulation 4 step actions every time) of second section fluid element.Maintain two restricting elements
Aperture 200s after, detection compressor operating frequency and T4 value again, or according to user's tune to air-conditioning
Whole, detection compressor operating frequency and T4 value, first throttle element and second section fluid element are carried out again
Adjust.
According to this adjustment mode, air conditioner Energy Efficiency Ratio equivalent specifications air-conditioner in the market, efficiency is high
6.5%.
Embodiment 3:
In this embodiment, preset multiple outdoor temperatures interval, the corresponding different joint in each outdoor temperature interval
The aperture of fluid element, the first detection object is outdoor environment temperature T4, according to the actually detected outdoor ring arrived
Opening value corresponding to the outdoor temperature interval at temperature T4 place, border adjusts the aperture of first throttle element；
Second detection object is outdoor environment temperature T4, running frequency F and pressure at expulsion；Or the second inspection
Surveying object is outdoor environment temperature T4, running frequency F and delivery temperature, first according to outdoor environment temperature
T4 and running frequency F are calculated setting pressure at expulsion or set delivery temperature, then examine according to reality
Measure pressure at expulsion or delivery temperature adjusts the aperture of second section fluid element so that pressure at expulsion being detected
Or delivery temperature reaches set pressure at expulsion or set delivery temperature.
Specifically, during refrigeration, the aperture of the first throttle element that different outdoor temperature intervals is corresponding concrete
Situation such as following table:
| T4 | Aperture |
| 10≤T4 ＜ 20 | 100 |
| 20≤T4 ＜ 30 | 110 |
| 30≤T4 ＜ 40 | 120 |
| 40≤T4 ＜ 50 | 150 |
| 50≤T4 ＜ 60 | 180 |
When the second detection object includes delivery temperature, delivery temperature TP and outdoor environment temperature T4 and operation
Relational expression between frequency F is: TP_cool=a1·F+b1T4+c1, when the second detection object includes exhaust pressure
During power, the relational expression between pressure at expulsion P row and outdoor environment temperature T4 and running frequency F is:
P row _ cool=a2·F+b2T4+c2, when the delivery temperature collected or pressure at expulsion are more than the setting row calculated
When temperature or setting pressure at expulsion, open the aperture of big second section fluid element；Otherwise turn down.Wherein
0≤a1≤ 20,0≤b1≤ 20 ,-50≤c1≤ 100,0≤a2≤ 30,0≤b2≤ 30 ,-50≤c2≤150.Control
Coefficient a, b, c can be all 0, when one coefficient of any of which is zero, it was demonstrated that the parameter that this coefficient is corresponding
On restricting element aperture without impact.
Such as, detecting outdoor environment temperature during refrigeration is 35 DEG C, and compressor operating frequency is 58Hz, sets
a1=0.5, b1=0.4, c1=31；a2=0.25, b2=0.2, c2=3.9.First system is according to collecting outdoor environment temperature
Degree T4, show that the aperture of first throttle element should be 120, adjusts the aperture of first throttle element to 120；
Then system is according to frequency and T4 value, calculates delivery temperature TP_cool corresponding to second section fluid element and is
74 DEG C or pressure at expulsion P row _ cool is 2.54MPa, at this moment according to delivery temperature TP that detects or
Pressure at expulsion P adjust second section fluid element aperture, such as when the delivery temperature detected more than 74 DEG C (or
The pressure at expulsion P row that person detects is more than 2.54Mpa) time, the aperture progressively strengthening second section fluid element (can
By regulation 4 step actions every time).After maintaining aperture 200s of two restricting elements, again detect compressor
Running frequency and T4 value, or according to user's adjustment to air-conditioning, detection compressor operating frequency and T4
Value, readjusts first throttle element and second section fluid element.
According to this adjustment mode, air conditioner Energy Efficiency Ratio equivalent specifications air-conditioner in the market, efficiency is high
6.5%.
Embodiment 4:
In this embodiment, preset medium temperature or intermediate pressure, the first detection object be intermediate pressure or
Person's medium temperature, according to actually detected to intermediate pressure or medium temperature adjust the opening of first throttle element
Degree is so that the intermediate pressure or the medium temperature that detect reach preset intermediate pressure or preset middle temperature
Degree.
Second detection object is outdoor environment temperature T4, running frequency F and pressure at expulsion；Or the second inspection
Surveying object is outdoor environment temperature T4, running frequency F and delivery temperature, first according to outdoor environment temperature
T4 and running frequency F are calculated setting pressure at expulsion or set delivery temperature, then examine according to reality
Measure pressure at expulsion or delivery temperature and adjust the aperture of second section fluid element so that the exhaust pressure that detects
Power or delivery temperature reach set pressure at expulsion or set delivery temperature.
Specifically, during refrigeration, the interval of default medium temperature can be 20 DEG C-35 DEG C, presets
The interval of intermediate pressure can be 0.8MPa-2.0MPa.When intermediate pressure or middle temperature being detected
When degree is less than setting value, opens the aperture of big first throttle element, otherwise turn down.
When the second detection object includes delivery temperature, delivery temperature TP and outdoor environment temperature T4 and operation
Relational expression between frequency F is: TP_cool=a1·F+b1T4+c1, when the second detection object includes exhaust pressure
During power, the relational expression between pressure at expulsion P row and outdoor environment temperature T4 and running frequency F is:
P row _ cool=a2·F+b2T4+c2, when the delivery temperature collected or pressure at expulsion are more than the setting row calculated
When temperature or setting pressure at expulsion, open the aperture of big second section fluid element；Otherwise turn down.Wherein
0≤a1≤ 20,0≤b1≤ 20 ,-50≤c1≤ 100,0≤a2≤ 30,0≤b2≤ 30 ,-50≤c2≤150.Control
Coefficient a, b, c can be all 0, when one coefficient of any of which is zero, it was demonstrated that the parameter that this coefficient is corresponding
On restricting element aperture without impact.
Such as when freezing, set medium temperature as 26 DEG C or set intermediate pressure 1.65MPa, room detected
External environment temperature is 35 DEG C, and compressor operating frequency is 58Hz, sets a1=0.5, b1=0.4, c1=31；
a2=0.25, b2=0.2, c2=3.9.First, system is adjusted according to the medium temperature collected or intermediate pressure value
The aperture of whole first throttle element.When the medium temperature collected is more than 26 DEG C or the intermediate pressure collected
When power is more than 1.65MPa, progressively turn down the aperture (can be by regulation 4 step actions every time) of first throttle element.
Otherwise the aperture of turning down.Then system is according to frequency and T4 value, calculates the aerofluxus that second section fluid element is corresponding
It is 2.54MPa that temperature TP_cool is 74 DEG C or pressure at expulsion P row _ cool, and at this moment basis detects
Delivery temperature TP or pressure at expulsion P adjust the aperture of second section fluid element, when detecting that delivery temperature is big
When 74 DEG C (or the pressure P row detected is more than 2.54Mpa), progressively strengthen second section fluid element
Aperture (can be by regulation 4 step actions every time).After maintaining aperture 200s of two restricting elements, again examine
Measured compressed machine running frequency and T4 value, or according to user's adjustment to air-conditioning, detection compressor operating frequency
Rate and T4 value, readjust first throttle element and second section fluid element.
According to this adjustment mode, air conditioner Energy Efficiency Ratio equivalent specifications air-conditioner in the market, efficiency is high
6.5%.
Embodiment 5:
In this embodiment, preset medium temperature or intermediate pressure, the first detection object be intermediate pressure or
Person's medium temperature, according to actually detected to intermediate pressure or medium temperature adjust the opening of first throttle element
Degree is so that the intermediate pressure or the medium temperature that detect reach preset intermediate pressure or preset middle temperature
Degree；
Second detection object is outdoor environment temperature T4 and running frequency F, first according to outdoor environment temperature
T4 and running frequency F are calculated the setting aperture of second section fluid element, then according to setting aperture adjustment
The aperture of second section fluid element.
Specifically, the interval of the medium temperature preset during refrigeration can be 20 DEG C-35 DEG C, in presetting
Between the interval of pressure can be 0.8MPa-1.5MPa.When detecting that intermediate pressure or temperature are less than
During setting value, open the aperture of big first throttle element, otherwise turn down.
Pass between aperture LA_cool_2 and outdoor environment temperature T4 and running frequency F of second section fluid element
It is that formula is: LA_cool_2=a2·F+b2T4+c2, when aperture LA_cool_2 calculated is more than second gathered
During the actual aperture of restricting element, increase to the aperture of second section fluid element calculate aperture；Otherwise turn down.
Wherein, 0≤a2≤ 30,0≤b2≤ 30 ,-50≤c2≤ 150, control coefrficient a, b, c can be all 0, when
When one coefficient of any of which is zero, it was demonstrated that parameter corresponding to this coefficient on restricting element aperture without impact.
Such as when freezing, set medium temperature as 26 DEG C or set intermediate pressure 1.65MPa, room detected
External environment temperature is 35 DEG C, and compressor operating frequency is 58Hz, sets a2=1.5, b2=1.6, c2=17.First,
System adjusts the aperture of first throttle element according to the medium temperature collected or intermediate pressure value.Work as collection
To medium temperature more than 26 DEG C or the intermediate pressure that collects more than 1.65MPa time, progressively turn down the
The aperture (can be by regulation 4 step actions every time) of one restricting element.Otherwise the aperture of turning down.Then system according to
Detect outdoor environment temperature and compressor operating cymometer calculate second section fluid element set aperture as
160, then adjust the aperture of second section fluid element to 160.After maintaining aperture 200s of two restricting elements,
Again detection compressor operating frequency and T4 value, or according to user's adjustment to air-conditioning, detect compressor
Running frequency and T4 value, readjust first throttle element and second section fluid element.
According to this adjustment mode, air conditioner Energy Efficiency Ratio equivalent specifications air-conditioner in the market, efficiency is high
6.5%.
Embodiment 6:
In this embodiment, preset multiple outdoor temperatures interval, the corresponding different joint in each outdoor temperature interval
The aperture of fluid element, the first detection object is outdoor environment temperature T4, according to the actually detected outdoor ring arrived
Opening value corresponding to the outdoor temperature interval at temperature T4 place, border adjusts the aperture of first throttle element.
Second detection object is outdoor environment temperature T4 and running frequency F, first according to outdoor environment temperature
T4 and running frequency F are calculated the setting aperture of second section fluid element, then according to setting aperture adjustment
The aperture of second section fluid element.
Specifically, during refrigeration, the aperture of the first throttle element that different outdoor temperature intervals is corresponding concrete
Situation such as following table:
| T4 | Aperture |
| 10≤T4 ＜ 20 | 100 |
| 20≤T4 ＜ 30 | 110 |
| 30≤T4 ＜ 40 | 120 |
| 40≤T4 ＜ 50 | 150 |
| 50≤T4 ＜ 60 | 180 |
Pass between aperture LA_cool_2 and outdoor environment temperature T4 and running frequency F of second section fluid element
It is that formula is: LA_cool_2=a2·F+b2T4+c2, when aperture LA_cool_2 calculated is more than second gathered
During the actual aperture of restricting element, increase to the aperture of second section fluid element calculate aperture；Otherwise turn down.
Wherein, 0≤a2≤ 30,0≤b2≤ 30 ,-50≤c2≤ 150, control coefrficient a, b, c can be all 0, when
When one coefficient of any of which is zero, it was demonstrated that parameter corresponding to this coefficient on restricting element aperture without impact.
Such as, during refrigeration, detecting that outdoor environment temperature is 35 DEG C, compressor operating frequency is 58Hz,
Set a2=1.5, b2=1.6, c2=17.First, first system is according to collecting outdoor environment temperature T4, draws
The aperture of first throttle element should be 120, adjusts the aperture of first throttle element to 120.Then system
According to detecting that outdoor environment temperature and compressor operating cymometer calculate the setting aperture of second section fluid element
It is 160, then adjusts the aperture of second section fluid element to 160.Maintain aperture 200s of two restricting elements
After, detection compressor operating frequency and T4 value again, or according to user's adjustment to air-conditioning, detection pressure
Contracting machine running frequency and T4 value, readjust first throttle element and second section fluid element.
According to this adjustment mode, air conditioner Energy Efficiency Ratio equivalent specifications air-conditioner in the market, efficiency is high
6.5%.
It is understood that specifically illustrating of being merely given as of above-mentioned six embodiments, this utility model is real
The control method executing example is not limited to above-mentioned six kinds, such as can be by the first throttle element in six kinds of examples and
The regulative mode of the aperture of two restricting elements carries out random combine；Or the compressor operating in above-described embodiment
Frequency can also by actually detected to outdoor environment temperature draw, such as preset multiple outdoor environment temperature district
Between, the corresponding different compressor operating frequency in multiple outdoor environment temperature intervals.
In this utility model, unless otherwise clearly defined and limited, fisrt feature is in second feature
On " " or D score can be that the first and second features directly contact, or the first and second features are passed through
Intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " on
Face " but fisrt feature directly over second feature or oblique upper, or be merely representative of fisrt feature level
Highly higher than second feature.Fisrt feature second feature " under ", " lower section " and " below "
Can be fisrt feature immediately below second feature or obliquely downward, or it is high to be merely representative of fisrt feature level
Degree is less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " show
Example ", the description of " concrete example " or " some examples " etc. means to combine this embodiment or example describes
Specific features, structure, material or feature be contained at least one embodiment of the present utility model or example
In.In this manual, the schematic representation to above-mentioned term be necessarily directed to identical embodiment or
Example.And, the specific features of description, structure, material or feature can be with one or more enforcements in office
Example or example combine in an appropriate manner.Additionally, in the case of the most conflicting, the technology of this area
Personnel can be by the different embodiments described in this specification or example and different embodiment or the spy of example
Levy and be combined and combine.
Although above it has been shown and described that embodiment of the present utility model, it is to be understood that above-mentioned reality
It is exemplary for executing example, it is impossible to be interpreted as that, to restriction of the present utility model, those of ordinary skill in the art exists
Above-described embodiment can be changed in the range of this utility model, revise, replace and modification.
Claims (6)
1. a single cold type air-conditioner, it is characterised in that including:
Duplex cylinder compressor, described duplex cylinder compressor includes housing, the first cylinder, the second cylinder and the first liquid storage
Device, described housing is provided with air vent, described first cylinder and described second cylinder and is respectively provided at described housing
In, described first reservoir is located at outside described housing, the air entry of described first cylinder and described first liquid storage
Device connects, and the span of the delivery space ratio of described second cylinder and described first cylinder is 1%～10%；
Outdoor heat exchanger and indoor heat exchanger, the first end of described outdoor heat exchanger is connected with described air vent,
First end of described indoor heat exchanger is connected with described first reservoir；
Gas-liquid separator, described gas-liquid separator includes gas outlet, first interface and the second interface, described
Gas outlet is connected with the air entry of described second cylinder, the of described first interface and described outdoor heat exchanger
Two ends are connected, and described second interface is connected with the second end of described indoor heat exchanger, described first interface and institute
State and between outdoor heat exchanger, be in series with aperture adjustable first throttle element, described second interface and described indoor
Aperture adjustable second section fluid element it is in series with between heat exchanger；
For the coolant radiator dispelling the heat electric control element, described coolant radiator tandem is in described outdoor
Between heat exchanger and described first throttle element.
Single cold type air-conditioner the most according to claim 1, it is characterised in that described first throttle unit
Part is electric expansion valve, and described second section fluid element is electric expansion valve.
Single cold type air-conditioner the most according to claim 1, it is characterised in that described gas outlet and
It is in series with electromagnetic valve between the air entry of described second cylinder.
Single cold type air-conditioner the most according to claim 1, it is characterised in that described gas-liquid separator
The span of volume be 100mL-500mL.
5. according to the single cold type air-conditioner according to any one of claim 1-4, it is characterised in that described
Duplex cylinder compressor also includes the second reservoir being located at outside described housing, and described second reservoir is connected on described
Between the air entry of gas outlet and described second cylinder.
Single cold type air-conditioner the most according to claim 5, it is characterised in that described first reservoir
Volume more than the volume of described second reservoir.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620390776.3U CN205641645U (en) | 2016-04-29 | 2016-04-29 | Single -cooling air conditioner |
| PCT/CN2016/087934 WO2017185515A1 (en) | 2016-04-29 | 2016-06-30 | Cooling and heating air conditioner, cooling air conditioner and controlling method for air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620390776.3U CN205641645U (en) | 2016-04-29 | 2016-04-29 | Single -cooling air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN205641645U true CN205641645U (en) | 2016-10-12 |
Family
ID=57050159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620390776.3U Active CN205641645U (en) | 2016-04-29 | 2016-04-29 | Single -cooling air conditioner |
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| CN (1) | CN205641645U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783311A (en) * | 2016-04-29 | 2016-07-20 | 广东美的制冷设备有限公司 | Single-cooling-type air conditioner and control method thereof |
| CN105910321A (en) * | 2016-04-29 | 2016-08-31 | 广东美的制冷设备有限公司 | Single cooling type air conditioner and control method thereof |
-
2016
- 2016-04-29 CN CN201620390776.3U patent/CN205641645U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783311A (en) * | 2016-04-29 | 2016-07-20 | 广东美的制冷设备有限公司 | Single-cooling-type air conditioner and control method thereof |
| CN105910321A (en) * | 2016-04-29 | 2016-08-31 | 广东美的制冷设备有限公司 | Single cooling type air conditioner and control method thereof |
| CN105783311B (en) * | 2016-04-29 | 2019-07-30 | 广东美的制冷设备有限公司 | Single cold type air conditioner and its control method |
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