CN205641633U - Single -cooling air conditioner - Google Patents
Single -cooling air conditioner Download PDFInfo
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- CN205641633U CN205641633U CN201620387935.4U CN201620387935U CN205641633U CN 205641633 U CN205641633 U CN 205641633U CN 201620387935 U CN201620387935 U CN 201620387935U CN 205641633 U CN205641633 U CN 205641633U
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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 fixed aperture 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
Current air-conditioning refrigeration system is not optimized cyclic design to the gaseous refrigerant after throttling and before entering vaporizer, causes gaseous refrigerant to affect evaporator heat exchange performance, and increases compressor compresses power consumption, thus has influence on energy efficiency of air conditioner level.Air injection enthalpy-increasing and Two-stage Compression technology can improve air conditioning system heating capacity level under low temperature and ultralow temperature, but for the commonly used cooling condition of air-conditioning, efficiency promotes very 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, effectively facilitate energy-saving and emission-reduction.
Single cold type air-conditioner according to this utility model embodiment, including: duplex cylinder compressor, described duplex cylinder compressor includes housing, the first cylinder, the second cylinder and the first reservoir, described housing is provided with air vent, described first cylinder and described second cylinder are respectively provided in described housing, described first reservoir is located at outside described housing, the air entry of described first cylinder connects with described first reservoir, 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, and the 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, described first interface is connected with the second end of described outdoor heat exchanger, described second interface is connected with the second end of described indoor heat exchanger, it is in series with aperture adjustable first throttle element between described first interface and described outdoor heat exchanger, between described second interface and described indoor heat exchanger, is in series with the second section fluid element of fixing aperture；For the coolant radiator dispelling the heat electric control element, described coolant radiator tandem is between described outdoor heat exchanger and described first throttle element.
Single cold type air-conditioner according to this utility model embodiment, by arranging above-mentioned duplex cylinder compressor, energy efficiency of air conditioner can be effectively improved, effectively facilitate energy-saving and emission-reduction, simultaneously by arranging gas-liquid separator, heat exchange efficiency can be improved, reduce compressor compresses power consumption, improve air-conditioner ability and efficiency further, further through arranging 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, and described second section fluid element is capillary tube or choke valve.
In embodiments more of the present utility model, between the air entry of described gas outlet and described second cylinder, it is 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 the second reservoir being located at outside described housing, and described second reservoir is connected between the air entry of described gas outlet and described second cylinder.
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 schematic diagram of the single cold type air-conditioner being provided with the second reservoir according to this utility model embodiment；
Fig. 3 is the schematic diagram of the single cold type air-conditioner being provided with electromagnetic valve and the second reservoir according to this utility model embodiment；
Fig. 4 is the schematic diagram of the duplex cylinder compressor according to this utility model embodiment；
Fig. 5 is the flow chart of the control method during single cold type air-conditioner refrigeration according to this utility model embodiment.
Reference:
Single cold type air-conditioner 100,
Duplex cylinder compressor 1, housing the 10, first cylinder the 11, second cylinder the 12, first reservoir the 13, second reservoir 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.The embodiment described below with reference to accompanying drawing is exemplary, it is intended to be used for explaining this utility model, and it is not intended that to restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", on " ", D score, " front ", " afterwards ", " left ", " right ", " vertically ", " level ", " push up ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", orientation or the position relationship of the instruction such as " circumferential " are based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration 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 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, three etc., unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, term " is installed ", " being connected ", " connection ", the term such as " fixing " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral；Can 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 be indirectly connected to by intermediary, can be connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in this utility model can be understood as the case may be.
Describing the single cold type air-conditioner 100 according to this utility model embodiment 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: duplex 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 includes housing the 10, first cylinder the 11, second cylinder 12 and the first reservoir 13, housing 10 is provided with air vent 15, first cylinder 11 and the second cylinder 12 are respectively provided in housing 10, first reservoir 13 is located at outside housing 10, and air entry and first reservoir 13 of the first cylinder 11 connect.It is to say, the first cylinder 11 and the second cylinder 12 carry out independent compression process, then the coolant after the compression that the first cylinder 11 is discharged and the coolant after the compression that the second cylinder 12 is discharged discharge from air vent 15 in being drained into housing 10 respectively.
The span of the delivery space ratio of the second cylinder 12 and the first cylinder 11 is 1%～10%.Further, the span of the delivery space ratio of the second cylinder 12 and the first cylinder 11 is 1%～9%, it is preferable that the span of the delivery space ratio of the second cylinder 12 and the first cylinder 11 is 4%～9%.The delivery space ratio of the such as second cylinder 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, and the first end and first reservoir 13 of indoor heat exchanger 4 are connected.Gas-liquid separator 5 includes gas outlet m, first interface f and the second interface g, the air entry of gas outlet m and the second cylinder 12 is connected, first interface f is connected with the second end of outdoor heat exchanger 3, second interface g is connected with the second end of indoor heat exchanger 4, it is in series with aperture adjustable first throttle element 6 between first interface f and outdoor heat exchanger 3, between the second interface g and indoor heat exchanger 4, is in series with the second section fluid element 7 of fixing aperture.Alternatively, first throttle element 6 is electric expansion valve, and second section fluid element 7 is capillary tube or choke valve, it is of course possible to be understood by, and first throttle element 6 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 between outdoor heat exchanger 3 and first throttle element 6.As long as it is understood that the structure of coolant radiator 9 can be varied coolant that can circulate, such as coolant radiator 9 can include the metal tube extended that wriggles.
When single cold type air-conditioner 100 freezes, it is drained into outdoor heat exchanger 3 from the High Temperature High Pressure coolant of air vent 15 discharge of duplex cylinder compressor 1 and carries out condensation heat radiation, flow into from the liquid refrigerants of outdoor heat exchanger 3 discharge and coolant radiator 9 carries out with electric control element heat exchange, thus realize reducing the purpose of the temperature of electric control element.Being drained into gas-liquid separator 5 from first interface f after the one-level reducing pressure by regulating flow of first throttle element 6 from the coolant of coolant radiator 9 outflow and carry out gas-liquid separation, the intermediate pressure gaseous coolant separated is drained in the second cylinder 12 from gas outlet m and is compressed.
Heat exchange is carried out to reduce indoor environment temperature in the intermediate pressure liquid coolant of the second interface g discharge of gas-liquid separator 5 is drained into indoor heat exchanger 4 after the two-step throttle blood pressure lowering of second section fluid element 7, the coolant discharged from indoor heat exchanger 4 is drained into the first reservoir 13, is compressed in the coolant of the first reservoir 13 discharge is drained into the first cylinder 11.
Thus analyze and understand, when single cold type air-conditioner 100 runs, the coolant of different pressures state has respectively entered in the first cylinder 11 and the second cylinder 12, first cylinder 11 and the second cylinder 12 complete independently compression process, coolant after the compression that the first cylinder 11 is discharged and the coolant after the compression that the second cylinder 12 is discharged are discharged from air vent 15 after mixing in being discharged to housing 10, simultaneously because the span of the delivery space ratio of the second cylinder 12 and the first cylinder 11 is 1%～10%, the coolant that flow is less and pressure state is higher is compressed in being drained into the second cylinder 12 that delivery space is less, such that it is able to raising 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 separator 5 is compressed in being expelled back into the second cylinder 12 after being separated by a part of gaseous coolant, the gas content in the coolant of indoor heat exchanger 4 it is flowed into when thus reducing refrigeration, decrease the gaseous coolant impact on the heat exchange property of the indoor heat exchanger 4 as vaporizer, such that it is able to raising 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 shown in Figure 3, in embodiments more of the present utility model, it is in series with electromagnetic valve 20 between the air entry of gas outlet m and the second cylinder 12, thus when the liquid coolant in gas-liquid separator 5 is beyond safety levels, liquid refrigerants can be avoided to enter in the second cylinder 12 by closing electromagnetic valve 20, such that it is able to avoid duplex cylinder compressor 1 that liquid hammer occurs, extend the service life of duplex cylinder compressor 1.It is possible to further arranging liquid level sensor on gas-liquid separator 5, controlled the open and-shut mode of electromagnetic valve 20 by the testing result of liquid level sensor.
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, and the second reservoir 14 is connected between the air entry of gas outlet m and the second cylinder 12.Thus it is provided by the second reservoir 14, the coolant discharged from the gas outlet m of gas-liquid separator 5 can be carried out further gas-liquid separation, liquid coolant can be avoided further to return in the second cylinder 12, thus avoid duplex cylinder compressor 1 that liquid hit phenomenon occurs, improve the service life of duplex cylinder compressor 1.
In further embodiment of the present utility model, the volume of the first reservoir 13 is more than the volume of the second reservoir 14.Thus on the premise of the decrement ensureing the second cylinder 12, less by the volume making the second reservoir 14, cost can be reduced.Preferably, the volume of the second reservoir 14 is not more than 1/2nd of the first reservoir 13 volume.
Single cold type air-conditioner according to this utility model above-described embodiment (is set specified refrigerating capacity as 3.5kw by utility model people, the delivery space ratio of the second cylinder and the first cylinder is set as 7.6%) efficiency under different operating modes compares with existing single cold type air-conditioner efficiency at the same conditions, obtains following data:
It follows that be all obviously improved relative to existing single cold type compressor, each operating mode efficiency and annual efficiency APF according to the single cold type air-conditioner of this utility model embodiment.
The single cold type air-conditioner of different specified refrigerating capacitys with this utility model embodiment of different delivery space ratios is compared by utility model people with the single cold type air-conditioner under existing identical operating mode simultaneously, find that efficiency all has lifting, through overtesting, such as utility model people finds that the single cold type air-conditioner of this utility model embodiment (sets specified refrigerating capacity as 2.6kw, 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%.
Describe the control method of the single cold type air-conditioner according to this utility model embodiment in detail below with reference to Fig. 1-Fig. 5, wherein single cold type air-conditioner is the single cold type air-conditioner according to this utility model above-described embodiment.
The control method of the single cold type air-conditioner according to this utility model embodiment, when comprising the steps: refrigerating operaton, the aperture according to the testing result adjustment first throttle element to the first detection object is to setting aperture.It is to say, during refrigeration, acquisition process controls the parameter needed for first throttle element, and then the aperture of the state modulator first throttle element that basis obtains is until meeting condition.
Wherein the first detection object includes outdoor environment temperature, the running frequency of duplex cylinder compressor, the delivery temperature of air vent, the pressure at expulsion of air vent, the intermediate pressure of coolant discharged from gas outlet, the medium temperature of coolant discharged from gas outlet, gas-liquid separator temperature, at least one pressure of the gas and liquid separator.Needing to illustrate, the coolant that intermediate pressure and medium temperature can be connected by detection in the pipeline of gas outlet and the second reservoir draws.
After the aperture of first throttle element meets condition, can be after running the n second, detection the first detection object, then adjusts the aperture of first throttle element, so repeats according to testing result again.Certainly repeat condition is not limited to this, such as can be after receiving the operational order of user, and detection the first detection object, then adjusts the aperture of first throttle element according to testing result again.In other words, when refrigeration, after the aperture of first throttle element meets condition, the n second can run or after receiving the operation signal of user, the relevant parameter of the aperture of first throttle element is detected judgement again, then adjusts the aperture of first throttle element according to result of determination, so repeat.
The control method of the single cold type air-conditioner according to this utility model embodiment, the aperture that can well control first throttle element arrives default aperture, reaches optimum energy-saving effect.
The control method according to this utility model embodiment is described below in detail as a example by six specific embodiments.
Embodiment 1:
In this embodiment, first detection object is outdoor environment temperature T4 and delivery temperature, first running frequency F is obtained according to the outdoor environment temperature T4 detected, and it is calculated setting delivery temperature according to the outdoor environment temperature T4 detected and running frequency F, then adjust the aperture of first throttle element so that the delivery temperature detected reaches to set delivery temperature.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, when the first detection object is outdoor environment temperature T4 and delivery temperature, detection outdoor environment temperature T4 during refrigeration start, running frequency F of compressor is determined according to T4, setting delivery temperature TP is determined according to T4 and F, wherein TP=a1*F+b1+c1*T4, the span of a1, b1, c1 can be corresponding with outdoor environment temperature T4, such as 20 DEG C >=T4: a1 takes-10--10；B1 takes-100--100；C1 takes-10 10；When 20 DEG C of ＜ T4≤30 DEG C: a1 takes-8--8；B1 takes-80--80；C1 takes-8 8；When 30 DEG C of ＜ T4≤40 DEG C: a1 takes-9--9；B1 takes-90--90；C1 takes-6 6；When 40 DEG C of ＜ T4≤50 DEG C: a1 takes-8--8；B1 takes-90--90；C1 takes-5 5；As 50 DEG C of ＜ T4: a1 takes-10--10；B1 takes-100--100；C1 takes-5 5.Of course, it should be understood that the value of a1, b1, c1 is not limited to this, such as can also be unrelated with outdoor environment temperature T4, but set in advance in system.
It should be noted that when a1, b1 one of them or time simultaneously value is 0, it is believed that unrelated with this parameter in formula above, such as a1=0, i.e. think unrelated with frequency F.
Then according to the operation aperture of TP regulation first throttle element.First throttle element regulation put in place after stable operation.Again detect outdoor temperature T4 after the n second whether to change or whether user has operation, then according to the aperture of associated change regulation first throttle element.
Such as, start refrigerating operaton, detect that T4 temperature is 35 DEG C, inquire about corresponding compressor operating frequency under this T4 and should be 90HZ, the delivery temperature coefficient a1 in corresponding temperature interval is 0.6, b1 is 20, c1 is 0.2, calculate setting delivery temperature TP=0.6*90+20+0.2*35=81, according to setting delivery temperature Tp=81 DEG C, regulation first throttle element aperture: the TP detected under initial opening has reached 90 degree, then open big first throttle element, reach to set the first throttle element aperture that delivery temperature Tp=81 DEG C is corresponding, that is the delivery temperature detected is made to reach to set delivery temperature.First throttle element reaches stable operation after target aperture.Detect T4 after the n second to be not changed in, continue stable operation.
In this embodiment, the running frequency of compressor is determined by outdoor environment temperature, such as make a reservation for multiple outdoor environment temperature interval, multiple outdoor environment temperature intervals corresponding multiple compressor operating frequencies respectively, the outdoor environment temperature at the outdoor environment temperature place that inquiry detects is interval, i.e. can get corresponding compressor operating frequency.Of course, it should be understood that the running frequency of compressor can also be detected by the detection device that sets on the compressor.
Embodiment 2:
In this embodiment, first detection object is outdoor environment temperature T4 and pressure at expulsion, first running frequency F is obtained according to the outdoor environment temperature T4 detected, and it is calculated setting pressure at expulsion according to the outdoor environment temperature T4 detected and running frequency F, then adjust the aperture of first throttle element so that the pressure at expulsion detected reaches to set pressure at expulsion.
Specifically, when the first detection object is outdoor environment temperature T4 and pressure at expulsion, during refrigeration start, detection outdoor environment temperature T4, determines running frequency F of compressor according to T4, determines setting pressure at expulsion Pp according to T4 and F；Wherein Pp=a3*F+b3+c3*T4；The span of a3, b3, c3 can be corresponding with outdoor environment temperature T4, such as 20 DEG C >=T4: a3 takes-5--5；B3 takes-8--8；C3 takes-1 1；When 20 DEG C of ＜ T4≤30 DEG C: a3 takes-5 5；B3 takes-10--10；C3 takes-2 2；When 30 DEG C of ＜ T4≤40 DEG C: a3 takes-5--5；B3 takes-12--12；C3 takes-3 3；When 40 DEG C of ＜ T4≤50 DEG C: a3 takes-6--6；B3 takes-15--15；C3 takes-4 4；As 50 DEG C of ＜ T4: a3 takes-7--7；B3 takes-20--20；C3 takes-5 5.Of course, it should be understood that the value of a3, b3, c3 is not limited to this, such as can also be unrelated with outdoor environment temperature T4, but set in advance in system.It should be noted that when a3, b3 one of them or time simultaneously value is 0, it is believed that unrelated with this parameter in formula above, such as a3=0, i.e. think unrelated with frequency F.
Then according to the operation aperture of Pp regulation first throttle element.First throttle element regulation put in place after stable operation.Again detect outdoor temperature T4 after the n second whether to change or whether user has operation, then regulate first throttle element aperture according to associated change.
Such as start shooting refrigerating operaton, detect that T4 temperature is 35 DEG C, inquire about corresponding compressor operating frequency under this T4 and should be 80HZ, the pressure at expulsion coefficient a3 in corresponding temperature interval is 0.02, b3 is 0.7, c3 is 0.02, calculate pressure at expulsion Pp=0.02*80+0.7+0.02*35=3.0, according to setting pressure at expulsion Pp=3.0MPa regulation first throttle element aperture: detect under initial opening that pressure at expulsion Pp has reached 2.5MPa, then turn down first throttle element, reach to set the first throttle element aperture that pressure at expulsion Pp=3.0MPa is corresponding, that is the pressure at expulsion detected is made to reach to set pressure at expulsion.First throttle element reaches stable operation after target aperture, detects T4 and is not changed in, continue stable operation after the n second.
In this embodiment, the running frequency of compressor is determined by outdoor environment temperature, such as make a reservation for multiple outdoor environment temperature interval, multiple outdoor environment temperature intervals corresponding multiple compressor operating frequencies respectively, the outdoor environment temperature at the outdoor environment temperature place that inquiry detects is interval, i.e. can get corresponding compressor operating frequency.Of course, it should be understood that the running frequency of compressor can also be detected by the detection device that sets on the compressor.
Embodiment 3:
In this embodiment, first detection object is outdoor environment temperature T4, first running frequency F is obtained according to the outdoor environment temperature T4 detected, and the setting aperture of first throttle element it is calculated according to the outdoor environment temperature T4 detected and running frequency F, then adjust the aperture of first throttle element to setting aperture.
Specifically, when the first detection object is outdoor environment temperature T4, detection outdoor environment temperature T4 when refrigeration starts；Determine compressor operating frequency F according to T4, determine setting aperture Lr of first throttle element according to T4 and F；Wherein set aperture Lr=a5*F+b5+c5*T4；Wherein the span of a5, b5, c5 can be corresponding with outdoor environment temperature T4, such as, preset the span of different outdoor environment temperature intervals corresponding different a5, b5, c5, then can limit the value of a5, b5, c5 according to practical situation.
Compare setting aperture Lr and the difference of first throttle element initial opening of first throttle element, as unanimously, need not regulate, as inconsistent, then be adjusted to set aperture Lr.First throttle element regulation put in place after stable operation.Again detect outdoor temperature T4 after the n second whether to change or whether user has operation, then regulate first throttle element aperture according to associated change.
In this embodiment, the running frequency of compressor is determined by outdoor environment temperature, such as make a reservation for multiple outdoor environment temperature interval, multiple outdoor environment temperature intervals corresponding multiple compressor operating frequencies respectively, the outdoor environment temperature at the outdoor environment temperature place that inquiry detects is interval, i.e. can get corresponding compressor operating frequency.Of course, it should be understood that the running frequency of compressor can also be detected by the detection device that sets on the compressor.
Embodiment 4:
In this embodiment, preset multiple outdoor temperatures interval, the temperature of the corresponding different gas-liquid separator in each outdoor temperature interval, first detection object is the temperature of outdoor environment temperature T4 and gas-liquid separator, first according to actually detected to outdoor environment temperature T4 obtain the design temperature of gas-liquid separator corresponding to the outdoor temperature interval at place, then adjust the aperture of first throttle element until actually detected to the temperature of gas-liquid separator meet design temperature.
Specifically, when the temperature that the first detection object is outdoor environment temperature T4 and gas-liquid separator, detection outdoor environment temperature T4 and temperature Ts of gas-liquid separator when refrigeration start runs, the corresponding relation inquiring about the interval design temperature with gas-liquid separator of the design temperature of gas-liquid separator corresponding to corresponding outdoor temperature interval, such as outdoor temperature according to the outdoor environment temperature T4 detected can be such that as 20 DEG C >=T4: Ts takes 0 30；When 0 DEG C of ＜ T4≤30 DEG C: Ts takes 0 40；When 30 DEG C of ＜ T4≤40 DEG C: Ts takes 0 50；When 40 DEG C of ＜ T4≤50 DEG C: Ts takes 0 60；As 50 DEG C of ＜ T4: Ts takes 0 65.Of course, it should be understood that above-mentioned numerical value is exemplary illustration, and it is not to concrete restriction of the present utility model.
Then the aperture of first throttle element is adjusted so that temperature Ts of the gas-liquid separator detected meets design temperature.
Such as start shooting refrigerating operaton, detect that T4 temperature is 35 DEG C, inquire about corresponding gas-liquid separator temperature Ts under this T4 interval and should be 26 DEG C, detect under initial opening that temperature Ts of gas-liquid separator has reached 20 DEG C, then open big first throttle element, reach the first throttle element aperture that design temperature Ts=26 DEG C is corresponding, say, that make temperature Ts of the gas-liquid separator detected reach design temperature.First throttle element reaches stable operation after target aperture.Detect T4 after the n second to be not changed in, continue stable operation.
Embodiment 5:
In this embodiment, the first detection object is outdoor environment temperature T4 and intermediate pressure；First running frequency F is obtained according to the outdoor environment temperature T4 detected, and it is calculated setting intermediate pressure according to the outdoor environment temperature T4 detected and running frequency F, then adjust the aperture of first throttle element so that the intermediate pressure detected reaches to set intermediate pressure.
Specifically, the relational expression set between intermediate pressure Ps and outdoor environment temperature T4 and running frequency F can be Ps=a7*F+b7+c7*T4, wherein the span of a7, b7, c7 can be corresponding with outdoor environment temperature T4, such as preset the interval of different outdoor environment temperature intervals corresponding different a7, b7, c7, then can limit the value of a7, b7, c7 according to practical situation.
In this embodiment, the running frequency of compressor is determined by outdoor environment temperature, such as make a reservation for multiple outdoor environment temperature interval, multiple outdoor environment temperature intervals corresponding multiple compressor operating frequencies respectively, the outdoor environment temperature at the outdoor environment temperature place that inquiry detects is interval, i.e. can get corresponding compressor operating frequency.Of course, it should be understood that the running frequency of compressor can also be detected by the detection device that sets on the compressor.
Embodiment 6:
In this embodiment, preset multiple outdoor temperatures interval, the pressure of the corresponding different gas-liquid separator in each outdoor temperature interval, first detection object is the pressure of outdoor environment temperature T4 and gas-liquid separator, first according to actually detected to outdoor environment temperature T4 obtain the setting pressure of gas-liquid separator corresponding to the outdoor temperature interval at place, then adjust the aperture of first throttle element until the pressure of the actually detected gas-liquid separator arrived meets sets pressure.
Specifically, when the pressure that the first detection object is outdoor environment temperature T4 and gas-liquid separator, detection outdoor environment temperature T4 and the pressure Ps of gas-liquid separator when refrigeration start runs, inquire about the interval corresponding relation setting pressure with gas-liquid separator of the setting pressure of gas-liquid separator corresponding to corresponding outdoor temperature interval, such as outdoor temperature according to the outdoor environment temperature T4 detected and can be such that as 20 DEG C >=T4: Ps takes 0.1 8；When 20 DEG C of ＜ T4≤30 DEG C: Ps takes 0.1 10；When 30 DEG C of ＜ T4≤40 DEG C: Ps takes 0.1 15；When 40 DEG C of ＜ T4≤50 DEG C: Ps takes 0.1 20；As 50 DEG C of ＜ T4: Ps takes 0.1 25.Of course, it should be understood that above-mentioned numerical value is exemplary illustration, and it is not to concrete restriction of the present utility model.
Then the aperture of first throttle element is adjusted so that the pressure Ps of the gas-liquid separator detected meets setting pressure.
Such as start shooting refrigerating operaton, detect that T4 temperature is 50 DEG C, inquire about the setting pressure Ps of corresponding gas-liquid separator under this T4 interval and should be 2.0MPa, the pressure Ps of the gas-liquid separator detected under initial opening has reached 2.2MPa, then turn down first throttle element, reach to set first throttle element aperture corresponding to pressure Ps=2.2MPa, say, that the pressure Ps of the gas-liquid separator detected is met and sets pressure.First throttle element reaches stable operation after target aperture.Detect T4 after the n second to be not changed in, continue stable operation.
It is understandable that, what above-mentioned six specific embodiments were merely given as illustrates, the control method of this utility model embodiment is not limited to above-mentioned six kinds, above-described embodiment can also be adopted by setup parameters such as calculated setting pressure at expulsion, setting delivery temperature, setting aperture, setting intermediate pressures and draw in other ways, it is interval that different outdoor temperatures such as can be set, the corresponding no setup parameter in multiple outdoor temperature intervals, according to actually detected to the outdoor temperature interval at outdoor environment temperature place i.e. can get corresponding setup parameter.Will also be appreciated that consulting the parameter obtained can also be drawn by the computing formula preset above by outdoor environment temperature.
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, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of fisrt feature level height 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 be merely representative of fisrt feature level height less than second feature.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means that the specific features, structure, material or the feature that combine this embodiment or example description are contained at least one embodiment of the present utility model or example.In this manual, the schematic representation of above-mentioned term is necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be to combine in one or more embodiments in office or example in an appropriate manner.Additionally, in the case of the most conflicting, the feature of the different embodiments described in this specification or example and different embodiment or example can be combined and combine by those skilled in the art.
Although above it has been shown and described that embodiment of the present utility model, it is understandable that, above-described embodiment is exemplary, it is not intended that to restriction of the present utility model, above-described embodiment can be changed in the range of this utility model, revises, replace and modification by those of ordinary skill in the art.
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
The second section fluid element of fixing aperture 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 capillary tube or choke 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 |
|---|---|---|---|
| CN201620387935.4U CN205641633U (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 |
|---|---|---|---|
| CN201620387935.4U CN205641633U (en) | 2016-04-29 | 2016-04-29 | Single -cooling air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205641633U true CN205641633U (en) | 2016-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620387935.4U Active CN205641633U (en) | 2016-04-29 | 2016-04-29 | Single -cooling air conditioner |
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| Country | Link |
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| CN (1) | CN205641633U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052177A (en) * | 2016-04-29 | 2016-10-26 | 广东美的制冷设备有限公司 | Refrigeration type air conditioner and control method thereof |
| CN111692774A (en) * | 2020-06-29 | 2020-09-22 | 广东积微科技有限公司 | Heat pump system with enhanced vapor injection and control method thereof |
-
2016
- 2016-04-29 CN CN201620387935.4U patent/CN205641633U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052177A (en) * | 2016-04-29 | 2016-10-26 | 广东美的制冷设备有限公司 | Refrigeration type air conditioner and control method thereof |
| CN111692774A (en) * | 2020-06-29 | 2020-09-22 | 广东积微科技有限公司 | Heat pump system with enhanced vapor injection and control method thereof |
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