CN103528165A - Air conditioner and control method thereof - Google Patents
Air conditioner and control method thereof Download PDFInfo
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- CN103528165A CN103528165A CN201310483208.9A CN201310483208A CN103528165A CN 103528165 A CN103528165 A CN 103528165A CN 201310483208 A CN201310483208 A CN 201310483208A CN 103528165 A CN103528165 A CN 103528165A
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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
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- 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]
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Abstract
The invention discloses an air conditioner. The air conditioner comprises an outdoor heat exchanger, a compressor, a four-way valve, an indoor heat exchanger and a throttling device, wherein the outdoor heat exchanger, the compressor, the four-way valve, the indoor heat exchanger and the throttling device are sequentially connected through pipelines to form a circulation passageway. The throttling device comprises throttling passageways used for being matched with different sizes of flow, wherein one of the throttling passageways is a rapid refrigeration and rapid heating passageway. The air conditioner further comprises an indoor environment temperature sensor and a controller electrically connected with the indoor environment temperature sensor, wherein the controller is selectively communicated with the corresponding throttling passageway according to temperature changes detected by the indoor environment temperature sensor. The invention further discloses a control method of the air conditioner. The air conditioner meets the APF requirement, the instant refrigeration requirement and the instant heating requirement.
Description
Technical field
The present invention relates to air-conditioner field, relate in particular to a kind of APF demand that both met, meet again air-conditioner and control method thereof that fast-refrigerating heats demand.
Background technology
Current transducer air conditioning is by seasonal energy efficiency ratio (seer) design, and when moving with excessive season summer, capillary-compensated and system can well be mated.While moving in the winter time, with same capillary section stream unit, just can not meet the demand heating, Energy Efficiency Ratio will decline.Particularly at APF(Annual Performance Factor, annual efficiency consumption rate) after implementing, the demand that the design of air-conditioner will consider refrigeration and heat, and current system throttle part cannot meet APF demand.The efficiency demand of system has only been considered in present air-conditioning system throttle part design in addition, has but ignored the comfortableness demand that fast-refrigerating heats, so it is slow to have caused freezing summer, heats not drawback rapidly winter.
As can be seen here, in current air-conditioner, the design of capillary section stream unit not only can not meet the demand of APF, nor can meet the demand that people heat the fast-refrigerating of air-conditioning.
Summary of the invention
Main purpose of the present invention is to provide a kind of air-conditioner, is intended to both meet APF demand, meets again fast-refrigerating and heats demand.
For realizing above object, the invention provides a kind of air-conditioner, comprise outdoor heat exchanger, compressor, cross valve, indoor heat exchanger, throttling arrangement, described outdoor heat exchanger, compressor, cross valve, indoor heat exchanger, throttling arrangement are connected and are formed peripheral passage by pipeline successively; Described throttling arrangement comprises the throttling passage that mates different flow, and one of them throttling passage is that fast-refrigerating heats passage; Described air-conditioner also comprises indoor temperature transmitter and the controller being electrically connected to described temperature sensor; The corresponding throttling passage of variations in temperature gating that described controller detects according to indoor temperature transmitter.
Preferably, described throttling arrangement comprises the first capillary, the second capillary, the first magnetic valve, the second magnetic valve; Described the first capillary and the first magnetic valve are by pipeline first throttle branch road in series, and the second capillary and the second magnetic valve are by pipeline the second throttling branch road in series, and first throttle branch road and the second throttling branch circuit parallel connection; Described the first magnetic valve and the second magnetic valve are all electrically connected to controller.
Preferably, described throttling arrangement comprises the first capillary, the second capillary, three capillary, the first magnetic valve, the second magnetic valve; Described the first capillary forms first throttle branch road, and the second capillary and three capillary are by pipeline the second throttling branch road in series, and first throttle branch road and the second throttling branch circuit parallel connection; Meanwhile, second one end capillaceous is connected by pipeline with indoor heat exchanger, and first magnetic valve bypass the second capillary; One end of three capillary is connected by pipeline with outdoor heat exchanger, and the second magnetic valve bypass three capillary; Described the first magnetic valve and the second magnetic valve are all electrically connected to controller.
Preferably, described throttling arrangement comprises the first capillary, the second capillary, three capillary, the first magnetic valve, the second magnetic valve; Described the first capillary forms first throttle branch road, and the second capillary, the first magnetic valve and the second capillary are successively by pipeline the second throttling branch road in series, and first throttle branch road and the second throttling branch circuit parallel connection; Second one end capillaceous is connected by pipeline with indoor heat exchanger, and one end of three capillary is connected by pipeline with outdoor heat exchanger; The second magnetic valve bypass three capillary; Described the first magnetic valve and the second magnetic valve are all electrically connected to controller.
Preferably, described throttling arrangement comprises the first capillary, the second capillary, three capillary, the first magnetic valve, the second magnetic valve, the 3rd magnetic valve; The first capillary and the 3rd magnetic valve are by pipeline first throttle branch road in series, and the second capillary and three capillary are by pipeline the second throttling branch road in series, and first throttle branch road and the second throttling branch circuit parallel connection; First one end capillaceous is connected by pipeline with indoor heat exchanger, and one end of the 3rd magnetic valve is connected by pipeline with outdoor heat exchanger; Second capillary one end is connected by pipeline with indoor heat exchanger, and first magnetic valve bypass the second capillary; One end of three capillary is connected by pipeline with outdoor heat exchanger, and the second magnetic valve bypass three capillary.
Preferably, described throttling arrangement comprises the first capillary, the second capillary, three capillary, the first magnetic valve, the second magnetic valve, the 3rd magnetic valve; Described the first capillary and the 3rd magnetic valve are by pipeline first throttle branch road in series, and the second capillary, the first magnetic valve and three capillary are followed in series to form the second throttling branch road by pipeline, and first throttle branch road and the second throttling branch circuit parallel connection; First one end capillaceous is connected by pipeline with indoor heat exchanger, one end of the 3rd magnetic valve is connected by pipeline with outdoor heat exchanger, first one end capillaceous is connected by pipeline with indoor heat exchanger, second one end capillaceous is connected by pipeline with outdoor heat exchanger, the second magnetic valve bypass three capillary.
The invention provides a kind of control method of air-conditioner, the control method of described air-conditioner comprises the following steps:
When air-conditioner starts, gating fast-refrigerating heats passage, and records the running time of air-conditioner;
When the running time of air-conditioner, reach after the time of setting, start to detect in real time indoor environment temperature, and calculate the temperature difference between indoor environment temperature and indoor target temperature;
According to the variation of the described temperature difference, control the running frequency of compressor, and the corresponding throttling passage of gating.
Preferably, described gating fast-refrigerating heats passage and comprises:
Control the first magnetic valve and open, the second closed electromagnetic valve, starts fast-refrigerating and heats throttling passage;
The running frequency of compressor is controlled in the described variation according to the temperature difference, and the corresponding throttling passage of gating comprises:
As | Tn1-Ts1| > during DT1, control compressor next constantly running frequency be set as f (n)=min (f (n-1)+Df1, fmax), and control the first magnetic valve and open, the second magnetic valve is opened, until | Tn1-Ts1|≤DT1;
When DT2 < | during Tn1-Ts1|≤DT1, control compressor next constantly running frequency be set as f (n)=max (f (n-1)-Df2, fmin), and control the first magnetic valve and open, the second closed electromagnetic valve, until | Tn1-Ts1|≤DT2;
When | during Tn1-Ts1|≤DT2, control next moment running frequency of compressor and be set as f (n)=fmin, and control the first closed electromagnetic valve, the second magnetic valve is opened, and when the indoor environment temperature Tn1 detecting in real time reaches target setting temperature T s1, control air-conditioner air-conditioning and move with stabilized frequency.
Preferably, described gating fast-refrigerating heats passage and comprises:
Control the first closed electromagnetic valve, the second magnetic valve is opened, and starts fast-refrigerating and heats throttling passage;
The running frequency of compressor is controlled in the described variation according to the temperature difference, and the corresponding throttling passage of gating comprises:
As | Tn1-Ts1| > during DT1, control compressor next constantly running frequency be set as f (n)=min (f (n-1)+Df1, fmax), and control the first closed electromagnetic valve, the second closed electromagnetic valve, until | Tn1-Ts1|≤DT1;
When DT2 < | during Tn1-Ts1|≤DT1, control compressor next constantly running frequency be set as f (n)=max (f (n-1)-Df2, fmin), and control the first closed electromagnetic valve, the second magnetic valve is opened, until | Tn1-Ts1|≤DT2;
When | during Tn1-Ts1|≤DT2, control next moment running frequency of compressor and be set as f (n)=fmin, and control the first magnetic valve and open, the second closed electromagnetic valve, and when the indoor environment temperature Tn1 detecting in real time reaches target setting temperature T s1, control air-conditioner air-conditioning and move with stabilized frequency.
Preferably, described gating fast-refrigerating heats passage and comprises:
Control the first closed electromagnetic valve, the second closed electromagnetic valve, starts fast-refrigerating and heats throttling passage;
The running frequency of compressor is controlled in the described variation according to the described temperature difference, and the corresponding throttling passage of gating comprises:
As | Tn1-Ts1| > during DT1, control compressor next constantly running frequency be set as f (n)=min (f (n-1)+Df1, fmax), and control the first magnetic valve and open, the second closed electromagnetic valve, until | Tn1-Ts1|≤DT1;
When DT2 < | during Tn1-Ts1|≤DT1, control compressor next constantly running frequency be set as f (n)=max (f (n-1)-Df2, fmin), and control the first closed electromagnetic valve, the second closed electromagnetic valve, until | Tn1-Ts1|≤DT2;
When | during Tn1-Ts1|≤DT2, control next moment running frequency of compressor and be set as f (n)=fmin, and control the first magnetic valve and open, the second closed electromagnetic valve, and when the indoor environment temperature Tn1 detecting in real time reaches target setting temperature T s1, control air-conditioner air-conditioning and move with stabilized frequency.
Preferably, described gating fast-refrigerating heats passage and comprises:
Control the first magnetic valve and open, the second closed electromagnetic valve, the 3rd magnetic valve is opened, and starts fast-refrigerating and heats throttling passage;
The running frequency of compressor is controlled in the described variation according to the described temperature difference, and the corresponding throttling passage of gating comprises:
As | Tn1-Ts1| > during DT1, control compressor next constantly running frequency be set as f (n)=min (f (n-1)+Df1, fmax), and control the first magnetic valve and open, the second closed electromagnetic valve, the 3rd closed electromagnetic valve, until | Tn1-Ts1|≤DT1;
When DT2 < | during Tn1-Ts1|≤DT1, control compressor next constantly running frequency be set as f (n)=max (f (n-1)-Df2, fmin), and control the first magnetic valve and open, the second magnetic valve is opened, the 3rd closed electromagnetic valve, until | Tn1-Ts1|≤DT2;
When | during Tn1-Ts1|≤DT2, control next moment running frequency of compressor and be set as f (n)=fmin, and control the first closed electromagnetic valve, the second closed electromagnetic valve, the 3rd closed electromagnetic valve, and when the indoor environment temperature Tn1 detecting in real time reaches target setting temperature T s1, control air-conditioner air-conditioning and move with stabilized frequency.
Preferably, described gating fast-refrigerating heats passage and comprises:
Control the first magnetic valve and open, the second closed electromagnetic valve, the 3rd closed electromagnetic valve, starts fast-refrigerating and heats throttling passage;
The running frequency of compressor is controlled in the described variation according to the described temperature difference, and the corresponding throttling passage of gating comprises:
As | Tn1-Ts1| > during DT1, control compressor next constantly running frequency be set as f (n)=min (f (n-1)+Df1, fmax), and control the first magnetic valve and open, the second magnetic valve is opened, the 3rd closed electromagnetic valve, until | Tn1-Ts1|≤DT1;
When DT2 < | during Tn1-Ts1|≤DT1, control compressor next constantly running frequency be set as f (n)=max (f (n-1)-Df2, fmin), and control the first magnetic valve and open, the second magnetic valve is opened, the 3rd closed electromagnetic valve, until | Tn1-Ts1|≤DT2;
When DT3 < | during Tn1-Ts1|≤DT2, control compressor next constantly running frequency be set as f (n)=max (f (n-1)-Df3, fmin), and control the first closed electromagnetic valve, the second magnetic valve is opened, the 3rd closed electromagnetic valve, until | Tn1-Ts1|≤DT3;
When | during Tn1-Ts1|≤DT3, control next moment running frequency of compressor and be set as f (n)=fmin, and control the first closed electromagnetic valve, the second magnetic valve is opened, the 3rd magnetic valve is opened, and when the indoor environment temperature Tn1 detecting in real time reaches target setting temperature T s1, control air-conditioner air-conditioning and move with stabilized frequency.
Tool of the present invention has the following advantages and effect:
1, the present invention has energy-efficient, with low cost, by carrying out self adaptation adjusting by throttling arrangement is associated with indoor environment temperature and design temperature, effectively solve the throttle part System Matching Issues in air-conditioning whole year operation, improved heat pump Energy Efficiency Ratio and the systematic economy performance of annual operation.
2, by heating for fast-refrigerating, special-purpose throttling passage is set, after having realized air-conditioning system startup, fast-refrigerating heats, air-conditioning can be sent cold-hot wind fast, and make room temperature reach fast target temperature, overcome the drawback of " summer, refrigeration was slow, heated winter not rapid " of current air-conditioning.
Accompanying drawing explanation
Fig. 1 is the structural representation of air-conditioner the first embodiment of the present invention;
Fig. 2 is the structural representation of air-conditioner the second embodiment of the present invention;
Fig. 3 is the structural representation of air-conditioner of the present invention the 3rd embodiment;
Fig. 4 is the structural representation of air-conditioner of the present invention the 4th embodiment;
Fig. 5 is the structural representation of air-conditioner of the present invention the 5th embodiment;
Fig. 6 is the schematic flow sheet of the control method of air-conditioner of the present invention;
Fig. 7 is the schematic flow sheet of control method first embodiment of air-conditioner of the present invention, and wherein air-conditioner is the air-conditioner shown in Fig. 1;
Fig. 8 is the schematic flow sheet of control method second embodiment of air-conditioner of the present invention, and wherein air-conditioner is the air-conditioner shown in Fig. 2;
Fig. 9 is the schematic flow sheet of control method the 3rd embodiment of air-conditioner of the present invention, and wherein air-conditioner is the air-conditioner shown in Fig. 3;
Figure 10 is the schematic flow sheet of control method the 4th embodiment of air-conditioner of the present invention, and wherein air-conditioner is the air-conditioner shown in Fig. 4;
Figure 11 is the schematic flow sheet of control method the 5th embodiment of air-conditioner of the present invention, and wherein air-conditioner is the air-conditioner shown in Fig. 5.
The realization of the object of the invention, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
The specific embodiment
Below in conjunction with Figure of description and specific embodiment, further illustrate technical scheme of the present invention.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Main thought of the present invention is to comprise by setting the throttling arrangement of the throttling passage of a plurality of coupling different flows, can meet the demand of APF; Fast-refrigerating is also set simultaneously and heats special-purpose throttling passage, can realize fast-refrigerating after air-conditioning system is started to heat, met the demand that fast-refrigerating heats comfortableness.By set temperature sensor, indoor environment temperature is carried out to Real-Time Monitoring; So that air-conditioner is according to obtained temperature signal and the rotating speed of time signal automatic control compressor and the coupling of throttling passage.
It should be noted that, fast-refrigerating heats passage by the running status of air-conditioner is carried out to test of many times setting, and fast-refrigerating heats the selection that passage does not limit embodiment certainly, can select according to specific circumstances other throttling passage.So long as comprise a plurality of throttling passages, and the throttling arrangement that special-purpose cooling and warming passage is set is all in protection scope of the present invention.To the composition and working principle of air-conditioner be described in detail with specific embodiment below.
Embodiment mono-
As shown in Figure 1, a kind of air-conditioner the first embodiment of the present invention has been proposed.The air-conditioner of this embodiment comprises outdoor heat exchanger 11, compressor 12, cross valve 13, indoor heat exchanger 14, throttling arrangement 15a; Described outdoor heat exchanger 11, compressor 12, cross valve 13, indoor heat exchanger 14, throttling arrangement 15a are connected to airtight air conditioner circulating system by pipeline.Wherein, throttling arrangement 15a comprises again the first capillary 1511a, the second capillary 1512a, the first magnetic valve 1521a, the second magnetic valve 1522a.Described the first capillary 1511a and the first magnetic valve 1521a are by pipeline first throttle branch road in series, the second capillary 1512a and the second magnetic valve 1522a are by pipeline the second throttling branch road in series, and first throttle branch road and the second throttling branch circuit parallel connection.In the present embodiment, by making this throttling arrangement can mate different flows to the on/off of the first magnetic valve 1521a and the second magnetic valve 1522a, and by opening the first magnetic valve 1521a, close the second magnetic valve 1522a and start fast-refrigerating and heat passage.
The air-conditioner of this embodiment also comprises indoor target temperature setting module 21, is positioned at indoor for measuring indoor environment temperature sensor 22 and the controller 31 of indoor environment temperature.Described controller 31, when air-conditioner starts, is controlled the first magnetic valve 1521a and the second magnetic valve 1522a, starts fast-refrigerating and heats passage.In addition, described controller 31 is also controlled the break-make of the first magnetic valve 1521a and the second magnetic valve 1522a and the running frequency of controlling compressor 12 according to the difference variation of indoor target temperature and indoor environment temperature.
Embodiment bis-
The second embodiment of air-conditioner of the present invention is proposed as shown in Figure 2.In the present embodiment, at this, do not describe once identical part with the first embodiment.Be with the difference of the first embodiment, the throttling arrangement 15b in embodiment bis-comprises the first capillary 1511b, the second capillary 1512b, three capillary 1513b, the first magnetic valve 1521b, the second magnetic valve 1522b; Described the first capillary 1511b forms separately first throttle branch road, and the second capillary 1512b and three capillary 1513b are by pipeline the second throttling branch road in series, and first throttle branch road and the second throttling branch circuit parallel connection.Meanwhile, one end of the second capillary 1512b is connected by pipeline with indoor heat exchanger 14, and first magnetic valve 1521b bypass the second capillary 1512b.One end of three capillary 1513b is connected by pipeline with outdoor heat exchanger 11, and the second magnetic valve 1522b bypass three capillary 1513b.In the present embodiment, by making this throttling arrangement can mate different flows to the on/off of the first magnetic valve 1521b and the second magnetic valve 1522b, and by closing the first magnetic valve 1521b, open the second magnetic valve 1522b and start fast-refrigerating and heat passage.
The air-conditioner of this embodiment also comprises indoor target temperature setting module 21, is positioned at indoor for measuring indoor environment temperature sensor 22 and the controller 31 of indoor environment temperature.Described controller 31, when air-conditioner starts, is controlled the first magnetic valve 1521b and the second magnetic valve 1522b, starts fast-refrigerating and heats passage.In addition, described controller 31 is also controlled the break-make of the first magnetic valve 1521b and the second magnetic valve 1522b and the running frequency of controlling compressor 12 according to the difference variation of indoor target temperature and indoor environment temperature.
Embodiment tri-
The second embodiment of air-conditioner of the present invention is proposed as shown in Figure 3.In the present embodiment, and embodiment does not describe at this once, part that embodiment bis-is identical.The difference of the present embodiment is, throttling arrangement 15c comprises the first capillary 1511c, the second capillary 1512c, three capillary 1513c, the first magnetic valve 1521c, the second magnetic valve 1522c; Described the first capillary 1511c forms separately first throttle branch road, and the second capillary 1512c, the first magnetic valve 1521c and the second capillary 1512c are successively by pipeline the second throttling branch road in series, and first throttle branch road and the second throttling branch circuit parallel connection.One end of the second capillary 1512c is connected by pipeline with indoor heat exchanger 14, and one end of three capillary 1513c is connected by pipeline with outdoor heat exchanger 11.In addition, the second magnetic valve 1522c bypass three capillary 1513c.In the present embodiment, by making this throttling arrangement can mate different flows to the on/off of the first magnetic valve 1521c and the second magnetic valve 1522c, and by closing the first magnetic valve 1521c, open the second magnetic valve 1522c and start fast-refrigerating and heat passage.
The air-conditioner of this embodiment also comprises indoor target temperature setting module 21, is positioned at indoor for measuring indoor environment temperature sensor 22 and the controller 31 of indoor environment temperature.Described controller 31, when air-conditioner starts, is controlled the first magnetic valve 1521c and the second magnetic valve 1522c, starts fast-refrigerating and heats passage.In addition, described controller 31 is also controlled the break-make of the first magnetic valve 1521c and the second magnetic valve 1522c and the running frequency of controlling compressor 12 according to the difference variation of indoor target temperature and indoor environment temperature.
Embodiment tetra-
The 3rd embodiment of air-conditioner of the present invention is proposed as shown in Figure 4.The present embodiment and embodiment no longer describe at this once, part that embodiment bis-is identical with embodiment tri-.The difference of the present embodiment is, throttling arrangement 15d comprises the first capillary 1511d, the second capillary 1512d, three capillary 1513d, the first magnetic valve 1521d, the second magnetic valve 1522d, the 3rd magnetic valve 1523d.The first capillary 1511d and the 3rd magnetic valve 1523d are by pipeline first throttle branch road in series, the second capillary 1512d and three capillary 1513d are by pipeline the second throttling branch road in series, one end of the first capillary 1511d is connected by pipeline with indoor heat exchanger 14, one end of the 3rd magnetic valve 1523d is connected by pipeline with outdoor heat exchanger 11, second capillary 1512d one end is connected by pipeline with indoor heat exchanger 14, and one end of three capillary 1513d is connected by pipeline with outdoor heat exchanger 11.First magnetic valve 1521 bypass the second capillary 1512d, the second magnetic valve 1522d bypass three capillary 1513d.In the present embodiment, by making this throttling arrangement can mate different flows to the on/off of the first magnetic valve 1521d, the second magnetic valve 1522d and the 3rd magnetic valve 1523d, and by opening the first magnetic valve 1521d, close the second magnetic valve 1522d, open the 3rd magnetic valve 1523d and start fast-refrigerating and heat passage.
The air-conditioner of this embodiment also comprises indoor target temperature setting module 21, is positioned at indoor for measuring indoor environment temperature sensor 22 and the controller 31 of indoor environment temperature.Described controller 31, when air-conditioner starts, is controlled the first magnetic valve 1521d, the second magnetic valve 1522d and the 3rd magnetic valve 1523d, starts fast-refrigerating and heats passage.In addition, described controller 31 is also controlled the break-make of the first magnetic valve 1521d, the second magnetic valve 1522d and the 3rd magnetic valve 1523d and the running frequency of controlling compressor 12 according to the difference variation of indoor target temperature and indoor environment temperature.
Embodiment five
The 5th embodiment of air-conditioner of the present invention is proposed as shown in Figure 5.The present embodiment and embodiment once, embodiment bis-, embodiment tri-, part that embodiment tetra-is identical do not describe at this.The difference of the present embodiment is, throttling arrangement 15e comprises the first capillary 1511e, the second capillary 1512e, three capillary 1513e, the first magnetic valve 1521e, the second magnetic valve 1522e, the 3rd magnetic valve 1523e.Described the first capillary 1511e and the 3rd magnetic valve 1523e are by pipeline first throttle branch road in series, the second capillary 1512e, the first magnetic valve 1521e and three capillary 1513e are followed in series to form the second throttling branch road by pipeline, one end of the first capillary 1511e is connected by pipeline with indoor heat exchanger 14, one end of the 3rd magnetic valve 1523 is connected by pipeline with outdoor heat exchanger 11, one end of the first capillary 1511e is connected by pipeline with indoor heat exchanger 14, one end of the second capillary 1512e is connected by pipeline with outdoor heat exchanger 14, the second magnetic valve 1522e bypass three capillary 1513e.In the present embodiment, by making this throttling arrangement can mate different flows to the on/off of the first magnetic valve 1521e, the second magnetic valve 1522e and the 3rd magnetic valve 1523e, and by opening the first magnetic valve 1521e, close the second magnetic valve 1522e, close the 3rd magnetic valve 1523e and start fast-refrigerating and heat passage.
The air-conditioner of this embodiment also comprises indoor target temperature setting module 21, is positioned at indoor for measuring indoor environment temperature sensor 22 and the controller 31 of indoor environment temperature.Described controller 31, when air-conditioner starts, is controlled the first magnetic valve 1521e, the second magnetic valve 1522e and the 3rd magnetic valve 1523e, starts fast-refrigerating and heats passage.In addition, described controller 31 is also controlled the break-make of the first magnetic valve 1521e, the second magnetic valve 1522e and the 3rd magnetic valve 1523e and the running frequency of controlling compressor 12 according to the difference variation of indoor target temperature and indoor environment temperature.
For above-mentioned air-conditioner, as shown in Figure 6, the present invention also provides a kind of control method of air-conditioner, comprises the following steps:
Step S1, when air-conditioner starts, gating fast-refrigerating heats passage, and records the running time of air-conditioner;
At air-conditioner, to heat or refrigeration mode when operation, select the fast-refrigerating of throttling arrangement to heat passage, to start fast-refrigerating, heat.Also the running time of air-conditioner will be recorded simultaneously.
Step S2, when the running time of air-conditioner, reach after the time of setting, start to detect in real time indoor environment temperature, and calculate the temperature difference between indoor environment temperature and indoor target temperature;
Step S3, according to the variation of the described temperature difference, control the running frequency of compressor the corresponding throttling passage of gating.
In the present embodiment, set in advance the cooling and warming time.The setting of this time, can so that air-conditioner heat fast the time of refrigeration both reach while starting can fast cooling object, also prevent overlong time and cause energy dissipation.When air-conditioner starts time that fast-refrigerating heats, reach preset cooling and warming after the time, switch to other throttling passages, to carry out normal cooling and warming.Be specially: detect in real time indoor environment temperature, and calculate the temperature difference between indoor environment temperature and indoor target temperature, and then according to the variation of this temperature difference, and the running frequency of control compressor, and select corresponding throttling passage to mate different flows.
As shown in Figure 7, for the air-conditioner of above-described embodiment one, control method first embodiment of air-conditioner of the present invention is proposed.The control method of the air-conditioner of this embodiment comprises the following steps:
Step S101, starting of air conditioner, enter refrigeration mode or heating mode;
Step S102, the first magnetic valve 1521a open, and the second magnetic valve 1522a closes, and start fast-refrigerating and heat throttling passage, and record startup fast-refrigerating heats air-conditioner to1 running time after throttling passage;
Step S103, judge whether to1 is greater than setting-up time ts1, is to enter step S104, otherwise enter step S103;
Whether the indoor environment temperature Tn1 that step S104, judgement detect in real time meets | Tn1-Ts1| > and DT1, be to enter step S105, otherwise enter step S106;
Step S105, next moment running frequency of control compressor are set as f (n)=min (f (n-1)+Df1, fmax), and control the first magnetic valve 1521a and open, and the second magnetic valve 1522a opens, and enters step S103 simultaneously;
The indoor environment temperature Tn1 that step S106, judgement detect in real time whether meet DT2 < | Tn1-Ts1|≤DT1 is to enter step S107, otherwise enters step S108;
Step S107, next moment running frequency of control compressor are set as f (n)=max (f (n-1)-Df2, fmin), and control the first magnetic valve 1521a and open, and the second magnetic valve 1522a closes, and enters step S103 simultaneously;
Step S108, next moment running frequency of control compressor are set as f (n)=fmin, and control the first magnetic valve 1521a and close, and the second magnetic valve 1522a opens, and enters step S109 simultaneously;
Step S109, when the indoor environment temperature Tn1 of real-time detection reaches target setting temperature T s1, air-conditioner air-conditioning moves with stabilized frequency.
As shown in Figure 8, for the air-conditioner of above-described embodiment two, control method second embodiment of air-conditioner of the present invention is proposed.The control method of the air-conditioner of this embodiment comprises the following steps:
Step S201, air-conditioner start, and enter refrigeration mode or heating mode;
Step S202, the first magnetic valve 1521b close, and the second magnetic valve 1522b opens, and start fast-refrigerating and heat throttling passage, and record startup fast-refrigerating heats air-conditioner to1 running time after throttling passage;
Step S203, judge whether to1 is greater than setting-up time ts1, is to enter step S204, otherwise enter step S202;
Whether the indoor environment temperature Tn1 that step S204, judgement detect in real time meets | Tn1-Ts1| > and DT1, be to enter step S205, otherwise enter step S206;
Step S205, next moment running frequency of control compressor are set as f (n)=min (f (n-1)+Df1, fmax), and control the first magnetic valve 1521b and close, and the second magnetic valve 1522b closes, and enters step S203 simultaneously;
The indoor environment temperature Tn1 that step S206, judgement detect in real time whether meet DT2 < | Tn1-Ts1|≤DT1 is to enter step S207, otherwise enters step S208;
Step S207, next moment running frequency of control compressor are set as f (n)=max (f (n-1)-Df2, fmin), and control the first magnetic valve 1521b and close, and the second magnetic valve 1522b opens, and enters step S203 simultaneously;
Step S208, next moment running frequency of control compressor are set as f (n)=fmin, and control the first magnetic valve 1521b and open, and the second magnetic valve 1522b closes, and enters step S209 simultaneously;
Step S209, when the indoor environment temperature Tn1 of real-time detection reaches target setting temperature T s1, air-conditioner air-conditioning moves with stabilized frequency.
As shown in Figure 9, for the air-conditioner of above-described embodiment three, control method the 3rd embodiment of air-conditioner of the present invention is proposed.The control method of the air-conditioner of this embodiment comprises the following steps:
Step S301, starting of air conditioner, enter refrigeration mode or heating mode;
Step S302, the first magnetic valve 1521c close, and the second magnetic valve 1522c closes, and start fast-refrigerating and heat throttling passage, and record startup fast-refrigerating heats air-conditioner to1 running time after throttling passage;
Step S303, judge whether to1 is greater than setting-up time ts1, is to enter step S304, otherwise enter step S302;
Whether the indoor environment temperature Tn1 that step S304, judgement detect in real time meets | Tn1-Ts1| > and DT1, be to enter step S305, otherwise enter step S306;
Step S305, next moment running frequency of control compressor are set as f (n)=min (f (n-1)+Df1, fmax), and control the first magnetic valve 1521c and open, and the second magnetic valve 1522c closes, and enters step S303 simultaneously;
The indoor environment temperature Tn1 that step S306, judgement detect in real time whether meet DT2 < | Tn1-Ts1|≤DT1 is to enter step S307, otherwise enters step S308;
Step S307, next moment running frequency of control compressor are set as f (n)=max (f (n-1)-Df2, fmin), and control the first magnetic valve 1521c and close, and the second magnetic valve 1522c closes, and enters step S303 simultaneously;
Step S308, next moment running frequency of control compressor are set as f (n)=fmin, and control the first magnetic valve 1521c and open, and the second magnetic valve 1522c closes, and enters step S309 simultaneously;
Step S309, when the indoor environment temperature Tn1 of real-time detection reaches target setting temperature T s1, air-conditioner air-conditioning moves with stabilized frequency.
As shown in figure 10, for the air-conditioner of above-described embodiment four, control method the 4th embodiment of air-conditioner of the present invention is proposed.The control method of the air-conditioner of this embodiment comprises the following steps:
Step S401, starting of air conditioner, enter refrigeration mode or heating mode;
Step S402, the first magnetic valve 1521d open, and the second magnetic valve 1522d closes, and the 3rd magnetic valve 1523d opens, and start fast-refrigerating and heat throttling passage, and record startup fast-refrigerating heats air-conditioner to1 running time after throttling passage;
Step S403, judge whether to1 is greater than setting-up time ts1, is to enter step S404, otherwise enter step S402;
Whether the indoor environment temperature Tn1 that step S404, judgement detect in real time meets | Tn1-Ts1| > and DT1, be to enter step S405, otherwise enter step S406;
Step S405, next moment running frequency of control compressor are set as f (n)=min (f (n-1)+Df1, fmax), and control the first magnetic valve 1521d and open, the second magnetic valve 1522d closes, the 3rd closed electromagnetic valve enters step S403 simultaneously;
The indoor environment temperature Tn1 that step S406, judgement detect in real time whether meet DT2 < | Tn1-Ts1|≤DT1 is to enter step S407, otherwise enters step S408;
Step S407, next moment running frequency of control compressor are set as f (n)=max (f (n-1)-Df2, fmin), and control the first magnetic valve 1521d and open, the second magnetic valve 1522d opens, the 3rd magnetic valve 1523d closes, and enters step S403 simultaneously;
Step S408, control compressor next constantly running frequency be set as f (n)=fmin, and control the first magnetic valve 1521d, the second magnetic valve 1522d, the 3rd magnetic valve 1523d all closes, and enters step S409 simultaneously;
Step S409, when the indoor environment temperature Tn1 of real-time detection reaches target setting temperature T s1, air-conditioner air-conditioning moves with stabilized frequency.
As shown in figure 11, for the air-conditioner of above-described embodiment five, control method the 5th embodiment of air-conditioner of the present invention is proposed.The control method of the air-conditioner of this embodiment comprises the following steps:
Step S501, starting of air conditioner, enter refrigeration mode or heating mode;
Step S502, the first magnetic valve 1521e open, and the second magnetic valve 1522e closes, and the 3rd magnetic valve 1523e closes, and start fast-refrigerating and heat throttling passage, and record startup fast-refrigerating heats air-conditioner to1 running time after throttling passage;
Step S503, judge whether to1 is greater than setting-up time ts1, is to enter step S504, otherwise enter step S502;
Whether the indoor environment temperature Tn1 that step S504, judgement detect in real time meets | Tn1-Ts1| > and DT1, be to enter step S505, otherwise enter step S506;
Step S505, next moment running frequency of control compressor are set as f (n)=min (f (n-1)+Df1, fmax), and control the first magnetic valve 1521e and open, the second magnetic valve 1522e opens, the 3rd magnetic valve 1523e closes, and enters step S503 simultaneously;
The indoor environment temperature Tn1 that step S506, judgement detect in real time whether meet DT2 < | Tn1-Ts1|≤DT1 is to enter step S507, otherwise enters step S508;
Step S507, next moment running frequency of control compressor are set as f (n)=max (f (n-1)-Df2, fmin), and control the first magnetic valve 1521e and open, the second magnetic valve 1522e opens, the 3rd magnetic valve 1523e closes, and enters step S503 simultaneously;
The indoor environment temperature Tn1 that step S508, judgement detect in real time whether meet DT3 < | Tn1-Ts1|≤DT2 is to enter step S509, otherwise enters step S510;
Step S509, next moment running frequency of control compressor are set as f (n)=max (f (n-1)-Df3, fmin), and control the first magnetic valve 1521e and close, the second magnetic valve 1522e opens, the 3rd magnetic valve 1523e closes, and enters step S503 simultaneously;
Step S510, next moment running frequency of control compressor are set as f (n)=fmin, and control the first magnetic valve 1521e and close, and the second magnetic valve 1522e opens, and the 3rd magnetic valve 1523e opens, and enters step S510 simultaneously;
Step S510, when the indoor environment temperature Tn1 of real-time detection reaches target setting temperature T s1, air-conditioner air-conditioning moves with stabilized frequency.
Embodiment mono-, two, three, four has adopted [0, DT1], [DT1, DT2], [DT2, ∝] three warm areas carry out Adaptive matching, embodiment five has adopted [0, DT1], [DT1, DT2], [DT2, DT3], [DT3, ∝] four warm areas carry out Adaptive matching, can better realize mating of throttling arrangement and system, improve the efficiency of system.
In sum, tool of the present invention has the following advantages and effect:
1, the present invention has energy-efficient, with low cost, by carrying out self adaptation adjusting by throttling arrangement is associated with indoor environment temperature and design temperature, effectively solve the throttle part System Matching Issues in air-conditioning whole year operation, improved heat pump Energy Efficiency Ratio and the systematic economy performance of annual operation.
2, by heating for fast-refrigerating, special-purpose throttling passage is set, after having realized air-conditioning system startup, fast-refrigerating heats, air-conditioning can be sent cold-hot wind fast, and make room temperature reach fast target temperature, overcome the drawback of " summer, refrigeration was slow, heated winter not rapid " of current air-conditioning.
The foregoing is only the preferred embodiments of the present invention; not thereby limit its scope of the claims; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention and accompanying drawing content to do; directly or indirectly be used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (12)
1. an air-conditioner, comprises outdoor heat exchanger, compressor, cross valve, indoor heat exchanger, throttling arrangement, and described outdoor heat exchanger, compressor, cross valve, indoor heat exchanger, throttling arrangement are connected and formed peripheral passage by pipeline successively; It is characterized in that, described throttling arrangement comprises the throttling passage that mates different flow, and one of them throttling passage is that fast-refrigerating heats passage; Described air-conditioner also comprises indoor environment temperature sensor and the controller being electrically connected to described temperature sensor; The corresponding throttling passage of variations in temperature gating that described controller detects according to indoor temperature transmitter.
2. air-conditioner according to claim 1, is characterized in that, described throttling arrangement comprises the first capillary, the second capillary, the first magnetic valve, the second magnetic valve; Described the first capillary and the first magnetic valve are by pipeline first throttle branch road in series, and the second capillary and the second magnetic valve are by pipeline the second throttling branch road in series, and first throttle branch road and the second throttling branch circuit parallel connection; Described the first magnetic valve and the second magnetic valve are all electrically connected to controller.
3. air-conditioner according to claim 1, is characterized in that, described throttling arrangement comprises the first capillary, the second capillary, three capillary, the first magnetic valve, the second magnetic valve; Described the first capillary forms first throttle branch road, and the second capillary and three capillary are by pipeline the second throttling branch road in series, and first throttle branch road and the second throttling branch circuit parallel connection; Meanwhile, second one end capillaceous is connected by pipeline with indoor heat exchanger, and first magnetic valve bypass the second capillary; One end of three capillary is connected by pipeline with outdoor heat exchanger, and the second magnetic valve bypass three capillary; Described the first magnetic valve and the second magnetic valve are all electrically connected to controller.
4. air-conditioner according to claim 1, is characterized in that, described throttling arrangement comprises the first capillary, the second capillary, three capillary, the first magnetic valve, the second magnetic valve; Described the first capillary forms first throttle branch road, and the second capillary, the first magnetic valve and the second capillary are successively by pipeline the second throttling branch road in series, and first throttle branch road and the second throttling branch circuit parallel connection; Second one end capillaceous is connected by pipeline with indoor heat exchanger, and one end of three capillary is connected by pipeline with outdoor heat exchanger; The second magnetic valve bypass three capillary; Described the first magnetic valve and the second magnetic valve are all electrically connected to controller.
5. air-conditioner according to claim 1, is characterized in that, described throttling arrangement comprises the first capillary, the second capillary, three capillary, the first magnetic valve, the second magnetic valve, the 3rd magnetic valve; The first capillary and the 3rd magnetic valve are by pipeline first throttle branch road in series, and the second capillary and three capillary are by pipeline the second throttling branch road in series, and first throttle branch road and the second throttling branch circuit parallel connection; First one end capillaceous is connected by pipeline with indoor heat exchanger, and one end of the 3rd magnetic valve is connected by pipeline with outdoor heat exchanger; Second capillary one end is connected by pipeline with indoor heat exchanger, and first magnetic valve bypass the second capillary; One end of three capillary is connected by pipeline with outdoor heat exchanger, and the second magnetic valve bypass three capillary.
6. air-conditioner according to claim 1, is characterized in that, described throttling arrangement comprises the first capillary, the second capillary, three capillary, the first magnetic valve, the second magnetic valve, the 3rd magnetic valve; Described the first capillary and the 3rd magnetic valve are by pipeline first throttle branch road in series, and the second capillary, the first magnetic valve and three capillary are followed in series to form the second throttling branch road by pipeline, and first throttle branch road and the second throttling branch circuit parallel connection; First one end capillaceous is connected by pipeline with indoor heat exchanger, one end of the 3rd magnetic valve is connected by pipeline with outdoor heat exchanger, first one end capillaceous is connected by pipeline with indoor heat exchanger, second one end capillaceous is connected by pipeline with outdoor heat exchanger, the second magnetic valve bypass three capillary.
7. a control method for air-conditioner, is characterized in that, described air-conditioner is air-conditioner claimed in claim 1; The control method of described air-conditioner comprises the following steps:
When air-conditioner starts, gating fast-refrigerating heats passage, and records the running time of air-conditioner;
When the running time of air-conditioner, reach after the time of setting, start to detect in real time indoor environment temperature, and calculate the temperature difference between indoor environment temperature and indoor target temperature;
According to the variation of the described temperature difference, control the running frequency of compressor, and the corresponding throttling passage of gating.
8. control method according to claim 7, is characterized in that, described air-conditioner is air-conditioner claimed in claim 2; Described gating fast-refrigerating heats passage and comprises:
Control the first magnetic valve and open, the second closed electromagnetic valve, starts fast-refrigerating and heats throttling passage;
The running frequency of compressor is controlled in the described variation according to the temperature difference, and the corresponding throttling passage of gating comprises:
As | Tn1-Ts1| > during DT1, control compressor next constantly running frequency be set as f (n)=min (f (n-1)+Df1, fmax), and control the first magnetic valve and open, the second magnetic valve is opened, until | Tn1-Ts1|≤DT1;
When DT2 < | during Tn1-Ts1|≤DT1, control compressor next constantly running frequency be set as f (n)=max (f (n-1)-Df2, fmin), and control the first magnetic valve and open, the second closed electromagnetic valve, until | Tn1-Ts1|≤DT2;
When | during Tn1-Ts1|≤DT2, control next moment running frequency of compressor and be set as f (n)=fmin, and control the first closed electromagnetic valve, the second magnetic valve is opened, and when the indoor environment temperature Tn1 detecting in real time reaches target setting temperature T s1, control air-conditioner air-conditioning and move with stabilized frequency.
9. control method according to claim 7, is characterized in that, described air-conditioner is air-conditioner claimed in claim 3; Described gating fast-refrigerating heats passage and comprises:
Control the first closed electromagnetic valve, the second magnetic valve is opened, and starts fast-refrigerating and heats throttling passage;
The running frequency of compressor is controlled in the described variation according to the temperature difference, and the corresponding throttling passage of gating comprises:
As | Tn1-Ts1| > during DT1, control compressor next constantly running frequency be set as f (n)=min (f (n-1)+Df1, fmax), and control the first closed electromagnetic valve, the second closed electromagnetic valve, until | Tn1-Ts1|≤DT1;
When DT2 < | during Tn1-Ts1|≤DT1, control compressor next constantly running frequency be set as f (n)=max (f (n-1)-Df2, fmin), and control the first closed electromagnetic valve, the second magnetic valve is opened, until | Tn1-Ts1|≤DT2;
When | during Tn1-Ts1|≤DT2, control next moment running frequency of compressor and be set as f (n)=fmin, and control the first magnetic valve and open, the second closed electromagnetic valve, and when the indoor environment temperature Tn1 detecting in real time reaches target setting temperature T s1, control air-conditioner air-conditioning and move with stabilized frequency.
10. control method according to claim 7, is characterized in that, described air-conditioner is air-conditioner claimed in claim 4; Described gating fast-refrigerating heats passage and comprises:
Control the first closed electromagnetic valve, the second closed electromagnetic valve, starts fast-refrigerating and heats throttling passage;
The running frequency of compressor is controlled in the described variation according to the described temperature difference, and the corresponding throttling passage of gating comprises:
As | Tn1-Ts1| > during DT1, control compressor next constantly running frequency be set as f (n)=min (f (n-1)+Df1, fmax), and control the first magnetic valve and open, the second closed electromagnetic valve, until | Tn1-Ts1|≤DT1;
When DT2 < | during Tn1-Ts1|≤DT1, control compressor next constantly running frequency be set as f (n)=max (f (n-1)-Df2, fmin), and control the first closed electromagnetic valve, the second closed electromagnetic valve, until | Tn1-Ts1|≤DT2;
When | during Tn1-Ts1|≤DT2, control next moment running frequency of compressor and be set as f (n)=fmin, and control the first magnetic valve and open, the second closed electromagnetic valve, and when the indoor environment temperature Tn1 detecting in real time reaches target setting temperature T s1, control air-conditioner air-conditioning and move with stabilized frequency.
11. control methods according to claim 7, is characterized in that, described air-conditioner is air-conditioner claimed in claim 5; Described gating fast-refrigerating heats passage and comprises:
Control the first magnetic valve and open, the second closed electromagnetic valve, the 3rd magnetic valve is opened, and starts fast-refrigerating and heats throttling passage;
The running frequency of compressor is controlled in the described variation according to the described temperature difference, and the corresponding throttling passage of gating comprises:
As | Tn1-Ts1| > during DT1, control compressor next constantly running frequency be set as f (n)=min (f (n-1)+Df1, fmax), and control the first magnetic valve and open, the second closed electromagnetic valve, the 3rd closed electromagnetic valve, until | Tn1-Ts1|≤DT1;
When DT2 < | during Tn1-Ts1|≤DT1, control compressor next constantly running frequency be set as f (n)=max (f (n-1)-Df2, fmin), and control the first magnetic valve and open, the second magnetic valve is opened, the 3rd closed electromagnetic valve, until | Tn1-Ts1|≤DT2;
When | during Tn1-Ts1|≤DT2, control next moment running frequency of compressor and be set as f (n)=fmin, and control the first closed electromagnetic valve, the second closed electromagnetic valve, the 3rd closed electromagnetic valve, and when the indoor environment temperature Tn1 detecting in real time reaches target setting temperature T s1, control air-conditioner air-conditioning and move with stabilized frequency.
12. control methods according to claim 7, is characterized in that, described air-conditioner is air-conditioner claimed in claim 6; Described gating fast-refrigerating heats passage and comprises:
Control the first magnetic valve and open, the second closed electromagnetic valve, the 3rd closed electromagnetic valve, starts fast-refrigerating and heats throttling passage;
The running frequency of compressor is controlled in the described variation according to the described temperature difference, and the corresponding throttling passage of gating comprises:
As | Tn1-Ts1| > during DT1, control compressor next constantly running frequency be set as f (n)=min (f (n-1)+Df1, fmax), and control the first magnetic valve and open, the second magnetic valve is opened, the 3rd closed electromagnetic valve, until | Tn1-Ts1|≤DT1;
When DT2 < | during Tn1-Ts1|≤DT1, control compressor next constantly running frequency be set as f (n)=max (f (n-1)-Df2, fmin), and control the first magnetic valve and open, the second magnetic valve is opened, the 3rd closed electromagnetic valve, until | Tn1-Ts1|≤DT2;
When DT3 < | during Tn1-Ts1|≤DT2, control compressor next constantly running frequency be set as f (n)=max (f (n-1)-Df3, fmin), and control the first closed electromagnetic valve, the second magnetic valve is opened, the 3rd closed electromagnetic valve, until | Tn1-Ts1|≤DT3;
When | during Tn1-Ts1|≤DT3, control next moment running frequency of compressor and be set as f (n)=fmin, and control the first closed electromagnetic valve, the second magnetic valve is opened, the 3rd magnetic valve is opened, and when the indoor environment temperature Tn1 detecting in real time reaches target setting temperature T s1, control air-conditioner air-conditioning and move with stabilized frequency.
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| CN106051984A (en) * | 2016-07-15 | 2016-10-26 | 珠海格力电器股份有限公司 | Air conditioning system with liquid bypass device |
| CN106288549A (en) * | 2016-09-18 | 2017-01-04 | 华南理工大学 | A kind of reducer adapting to cryogenic quick freezing and method and application |
| CN107202460A (en) * | 2017-06-22 | 2017-09-26 | 广东美的暖通设备有限公司 | Air conditioner and its control method, device and computer-readable recording medium |
| CN108507114A (en) * | 2017-02-27 | 2018-09-07 | 青岛海尔智能技术研发有限公司 | A kind of method and device of control electrochemistry air-conditioning system |
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| CN110454951A (en) * | 2019-08-05 | 2019-11-15 | 广东美的制冷设备有限公司 | Air-conditioning system and its control method |
| CN115355656A (en) * | 2022-07-13 | 2022-11-18 | 青岛海尔生物医疗科技有限公司 | Method and device for controlling refrigerating box and refrigerating box |
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