CN102478285B - Air conditioner and method for controlling the same - Google Patents
Air conditioner and method for controlling the same Download PDFInfo
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- CN102478285B CN102478285B CN201010583892.4A CN201010583892A CN102478285B CN 102478285 B CN102478285 B CN 102478285B CN 201010583892 A CN201010583892 A CN 201010583892A CN 102478285 B CN102478285 B CN 102478285B
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/024—Compressor control by controlling the electric parameters, e.g. current or voltage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/025—Compressor control by controlling speed
- F25B2600/0251—Compressor control by controlling speed with on-off operation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/15—Power, e.g. by voltage or current
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides an air conditioner and a method for controlling the same. The air conditioner comprises an indoor unit and an outdoor unit connected with the indoor unit, wherein the indoor unit comprises a power supply input part that receives the input from an external power supply, an abnormal voltage detecting part which, connected with the power supply input part, detects whether the power supply input part provides abnormal voltage or not, and a control part receiving signals from the abnormal voltage detecting part; and the outdoor unit comprises a compressor used for compressing coolants. When the abnormal voltage detecting part detects the abnormal voltage, the control part will cut off the power supply for the compressor.
Description
Technical field
The present invention relates to the control method of air regulator (Air conditioning apparatus) and air regulator.
Background technology
Air regulator be a kind of for make indoor environment more comfortable and to the indoor cold and heat air of sending into regulate the equipment of indoor temperature.Generally, air regulator comprises by heat exchanger and forming and at the indoor set of indoor setting and the off-premises station that formed and supplied with to indoor set refrigerant by compressor and heat exchanger etc.
Such air regulator is generally separately controlled the indoor set consisting of heat exchanger and the off-premises station consisting of compressor and heat exchanger etc.That is, compressor and heat exchanger are arranged on casing (cabinet) thereby the interior outdoor unit that forms, and above-mentioned outdoor unit is arranged at outside.
As mentioned above, air regulator is changed inputted power supply so that comprise each arrangement works of compressor, but when input power unstable and when the rated voltage of certain limit can not be provided, the problem of air regulator misoperation can occur.
Especially, as the Middle East, Africa area like that serious regional of voltage pulsation (voltage fluctuation) or the area of using oneself generator, can moment there is voltage drop (voltage dropping) phenomenon, make the impaired situation of the such parts of compressor more.
In addition, although air regulator has the holding circuit of substantially cutting off overvoltage etc. for input power, likely can supply with the overvoltage that makes above-mentioned holding circuit impaired, therefore need to separately establish dump equipment.And, in the situation that cannot supply with the voltage with a certain size because supplied with voltage is low, also likely cause parts impaired.
In addition, existing overvoltage cutting unit is connected to the outside of indoor set as the external equipment of separately establishing, when abnormal voltage is supplied to, cut off to the power supply itself of indoor set and off-premises station supply, therefore fan also quits work, therefore likely can there is off-premises station overheated phenomenon of inner moment.
Summary of the invention
The problem that the present invention will solve
The object of the present invention is to provide a kind of air regulator and method of work thereof, thereby detect in real time the input power of supplying with to air regulator and detect whether supplied with overvoltage or the such abnormal voltage of low-voltage, when having supplied with abnormal voltage, cut off the electricity supply rapidly, thereby prevent the misoperation of air regulator and the damage of compressor that cause because supplying with abnormal voltage.
In addition, the object of the invention is to, not only optionally cut off the power supply of abnormal voltage while supplying with and supply with, and control the driving of compressor, prevent thus the damage of other electric components of causing because of dump.
Solve the means of problem
In order to realize object as above, the air regulator of the embodiment of the present invention is characterised in that to have indoor set and the off-premises station being connected with this indoor set, and above-mentioned indoor set has: power input part, and it accepts the input of external power source; Abnormal voltage test section, it is connected with above-mentioned power input part, and detects whether supply with abnormal voltage by above-mentioned power input part; Control part, it receives signal from above-mentioned abnormal voltage test section; Above-mentioned off-premises station has: compressor, and it is for compressing refrigerant; When above-mentioned abnormal voltage test section detects abnormal voltage, above-mentioned control part cuts off to be supplied with the power supply of above-mentioned compressor.
In addition, the control method of the air regulator of the embodiment of the present invention is characterised in that, comprising: thus the step of input indoor set running instruction drive compression machine; Thereby abnormal voltage test section detects the step that abnormal voltage stops drive compression machine; Thereby remove the step that abnormal voltage supply condition drives above-mentioned compressor again; If supply with the state of above-mentioned abnormal voltage, maintain setting-up time T1, stop driving above-mentioned compressor.
On the other hand, the control method of the air regulator of the embodiment of the present invention is characterised in that, comprising: thus the step of input indoor set running instruction drive compression machine; Abnormal voltage test section detects the step of abnormal voltage; Thereby above-mentioned abnormal voltage maintains the step that setting-up time T1 stops driving above-mentioned compressor for the first time; From stopping for the first time moment of drive compression machine through the step of setting-up time T2; From having passed through moment of above-mentioned setting-up time T2 through during setting-up time T3, maintain the voltage in the stability range that supply can stably drive above-mentioned compressor, with the step of drive compression machine again.
The effect of invention
The air regulator of the embodiment of the present invention and the control method of air regulator with structure as above have following effect.
The first, detect abnormal voltage and be built in air regulator according to its result power switching unit of supplying with of can cutting off the electricity supply, be especially built in the electrical part of indoor set, thereby have advantages of and do not need to arrange other dump equipment.
The second, in order to tackle unsettled input power, there is the abnormal unit for detection of input power, thereby detect abnormal voltage for unsettled input power, can make thus air regulator work under more stable state.
The 3rd, cut off thereby the power supply of air regulator integral body is supplied with to out-of-work existing control structure differently when having supplied with abnormal voltage, whether tool has the following advantages: not only cut off the power supply of compressor is supplied with, and control and whether stop compressor and again drive according to the detected result of abnormal voltage test section.
The 4th, when having supplied with abnormal voltage, only stop drive compression machine, and outdoor machine fan is worked on, therefore there is the overheated effect of the moment that can suppress compressor and condenser.
The 5th, can expect to there is the effect for the Dual Stabilization equipment of abnormal voltage, thereby have, prevent the misoperation of air regulator and the effect that damage improves the reliability of product.
Accompanying drawing explanation
Fig. 1 is the stereogram of the air regulator of the embodiment of the present invention.
Fig. 2 shows the block diagram of internal structure of the air regulator of the embodiment of the present invention.
Fig. 3 shows the circuit diagram of structure of the abnormal voltage test section of the embodiment of the present invention.
Fig. 4 shows the flow chart of control method of the air regulator of first embodiment of the invention.
Fig. 5 shows and utilizes the control method of first embodiment of the invention based on input voltage value, to control the chart of the situation of driven compressor.
Fig. 6 shows the flow chart of control method of the air regulator of second embodiment of the invention.
Fig. 7 shows and utilizes the control method of second embodiment of the invention based on input voltage value, to control the situation chart of driven compressor.
The flow chart of report method when Fig. 8 shows the supply abnormal voltage of the embodiment of the present invention.
The specific embodiment
Below, air regulator and the control method of present invention will be described in detail with reference to the accompanying embodiment.
Fig. 1 is the stereogram of the air regulator of the embodiment of the present invention, and Fig. 2 shows the block diagram of internal structure of the air regulator of the embodiment of the present invention.
See figures.1.and.2, the air regulator of the embodiment of the present invention consists of indoor set (10) and off-premises station (20) substantially.
In detail, above-mentioned indoor set (10) has for the indoor heat converter (not shown) to indoor supply warm braw or cold wind and indoor fan (15), by being arranged at the blade (vane) of outlet or the direction that shutter (louver) is controlled the air of discharge.In addition, on the front surface of above-mentioned indoor set (10), there is control panel, this control panel has display part (16), for input part (18) and the control part (11) of input service instruction, thereby can confirm the operating condition of indoor set (10) and/or off-premises station, and can input service instruction.
In addition, above-mentioned off-premises station (20) has compressor (21), the outdoor heat converter (not shown) being connected with outlet one side of compressor (21) for compression refrigerant and force air is flowed so that outdoor heat converter and extraneous air carry out the outdoor fan (22) of heat exchange.
In addition, above-mentioned indoor set (10) comprising: control part (11), its action for controlling above-mentioned indoor fan (15) and being arranged at the electric component on off-premises station (20); Power input part (12), it is supplied to air regulator for making to the industrial alternating voltage of supplying with within doors; Dump portion (13), its for detection of whether utilizing above-mentioned power input part (12) thus supply with abnormal voltage and cut off comprising that the power supply of the driver part of above-mentioned compressor (21) supplies with; Drive division (14), it supplies with drive chamber's internal fan (15) etc. for the power supply of accepting to supply with by above-mentioned power input part (12); Warning portion (17), it reports to the police when having supplied with abnormal voltage in above-mentioned dump portion (13) or because supplying with when situation that compressor stops has occurred abnormal voltage; Display part (16), it is for showing the duty of indoor set (10) and/or off-premises station (20); Input part (18), it is for input service instruction; Above-mentioned indoor fan (15); Drive division (14), it is for the compressor (21) controlling above-mentioned off-premises station (20) and have and the driving of outdoor fan (22).Above-mentioned input part (18), display part (16) and above-mentioned warning portion (17) can form the module form identical with control panel.
In detail, above-mentioned dump portion (13) has: abnormal voltage test section (131), and it has inputted abnormal voltage for judging whether by above-mentioned power input part (12); Switch unit (132), it,, for according to the judged result of above-mentioned abnormal voltage test section (131), optionally cuts off the power supply of above-mentioned compressor (21) is supplied with.As shown in the figure, above-mentioned dump portion (13) adopts and is built in the inner structure of indoor set (10), has the feature that does not need other dump equipment.
In detail, above-mentioned abnormal voltage test section (131) by utilize power transformer (powertransformer) RMS (Root-Mean-Square: root-mean-square value) voltage detection method, from inputted AC power, detect abnormal voltage.In addition, although not shown, in above-mentioned abnormal voltage test section (131), be built-in with power transformer, to utilize voltage that above-mentioned power transformer boosts/reduces pressure carry out rectification rectification circuit, the voltage by above-mentioned rectification part is carried out to the smoothing circuit of smoothing processing.In addition, above-mentioned power transformer performance converts the high-tension AC power by power input part (12) input to the function of the AC power of low-voltage.Above-mentioned rectification circuit and smoothing circuit are that performance converts input ac power to the circuit common of the function of dc source, omit illustrating this.
Below, utilize flow chart and voltage plot to be described in detail in to have the method for while having supplied with abnormal voltage in the air regulator structure of structure described above, the driving of above-mentioned compressor (21) having been controlled.
Fig. 3 shows the circuit diagram of structure of the abnormal voltage test section of the embodiment of the present invention.
With reference to Fig. 3, the abnormal voltage test section (131) of one embodiment of the invention is integrally formed on the control substrate of the inside that is installed on indoor set (10).That is, this abnormal voltage test section (131) adopts and is built in the structure of indoor set inside, rather than the external equipment of separately establishing.
In detail, above-mentioned abnormal voltage test section (131), by utilizing the RMS voltage detecting of power transformer, detects abnormal voltage from input power.That is the abnormal voltage, detecting is the ac voltage flowing within doors.
Above-mentioned abnormal voltage test section (131) has: the power transformer that inputted alternating voltage is reduced pressure (131a), voltage distribution portion (131d), noise filter (131e) that the alternating voltage that utilizes above-mentioned power transformer (131a) to reduce pressure is converted to the rectification part (131b) of DC voltage and partes glabra (131c), to convert the voltage of direct current to from exchanging, distributes.
In detail, above-mentioned power transformer (131a) is connected with power input part (12), and the high-tension AC power of power input part (12) input is reduced pressure and forms the AC power of low-voltage.
Above-mentioned rectification part (131b) consists of a plurality of diodes, and it carries out full-wave rectification to the AC power of low-voltage.The power supply of full-wave rectification becomes level and smooth at above-mentioned partes glabra (131c).Now, between rectification part (131b) and partes glabra (131c), be connected diode (D6) and capacitor (C1).
Above-mentioned voltage distribution portion (131d) consists of a plurality of resistance, and it recently distributes the voltage of level and smooth power supply according to the resistance of a plurality of resistance.Above-mentioned voltage distribution portion (131d), via the diode (D16) being positioned between the first resistance (R1) and the second resistance (R2), is connected with reference voltage.For example, above-mentioned voltage distribution portion (131d) can make the voltage that is applied to control part (11) reach below 5V.Above-mentioned voltage distribution portion (131d) consists of shunt resistance (Shunt Resistor).The size that can use the first resistance (R1) to be about 10k ohm, the second resistance (R2) is about the resistance that the such resistance value of 2K ohm differs 5 times of left and right, so that voltage distribution becomes easy.For example, when input voltage is AC350V, can be designed to apply DC4.8V to control part (11).The power supply distributing is applied to above-mentioned control part (11) by above-mentioned noise filter (131e).One end of above-mentioned noise filter (131e) is connected with the first resistance (R1), the second resistance (R2) and the diode (D16) of above-mentioned voltage distribution portion (131d), and the other end is connected with above-mentioned control part (11) one sides.
Above-mentioned noise filter (131e) consists of the RC wave filter of the 3rd resistance (R3) and capacitor (C5), its elimination is input to the noise in the voltage of above-mentioned control part (11), thereby can reduce the voltage detecting error causing because of noise.
Control part (11) judges the RMS magnitude of voltage of the voltage signal from abnormal voltage test section (131) input, thereby judges that whether input power is abnormal, and according to the power supply of this input part of cutting off the electricity supply (12).
Such abnormal voltage test section (131) is easily realized with circuit, and owing to being insulated type design, so can be because surge (Surge) noise is burned, therefore easily detect the abnormal of power supply, can prevent control part (11) because of surge noise damaged.
Above-mentioned abnormal voltage test section (131) utilizes the input voltage of power input part (12), and the voltage signal of pre-sizing is applied to control part (11).Then, control part (11) determines whether abnormal voltage, thereby optionally cuts off the electricity supply supply.
Specifically, the DC voltage value of measuring according to the port of export at above-mentioned noise filter (131e), tabulates the ac voltage that is input to above-mentioned power input part (12) (look-up table) and is stored in storage part (19).For example, if the DC voltage of measuring at the port of export of noise filter (131e) is 4.8V, to turn to inputted alternating voltage be that RMS voltage is equivalent to 350V to form.Therefore, the DC voltage value that can detect according to the port of export at above-mentioned noise filter (131e) be predicted inputted ac voltage, and whether the ac voltage of judgement prediction is within the scope of abnormal voltage.
Fig. 4 shows the flow chart of control method of the air regulator of first embodiment of the invention, and Fig. 5 shows and utilizes the control method of first embodiment of the invention based on input voltage value, to control the chart of the situation of driven compressor.
With reference to Fig. 4, at start of run, using input rated voltage as prerequisite, when user inputs the operating condition of indoor set by above-mentioned input part (18), the transmission driven compressor instruction from above-mentioned control part (11) to above-mentioned drive division (14), its result, starts the driving (S11) of above-mentioned compressor (21).
In detail, from starting moment of driving of above-mentioned compressor (21), whether above-mentioned abnormal voltage test section (131) detects in real time the input of abnormal voltage (S12).Here, the voltage of inputting by above-mentioned power input part (12) have be defined as abnormal voltage low-voltage (Va) and high voltage (Vd), be defined as lower limit critical voltage (Vb) and the upper limit critical voltage (Vc) of the rated voltage of stable state.
In more detail, above-mentioned input voltage has the relation of Va < Vb < Vc < Vd.In addition, by the section definition between above-mentioned low-voltage (Va) and lower limit critical voltage (Vb) be lower end Delay Interval (bottomhysteresis area) (C), by the section definition between above-mentioned upper limit critical voltage (Vc) and high voltage (Vd) be upper end Delay Interval (upper hysteresis area) (B).In addition, the section definition between above-mentioned lower limit critical voltage (Vb) and upper limit critical voltage (Vc), for can stably driving the stable region (A) of above-mentioned compressor (21), can be defined as to allowable voltage interval.In addition, above-mentioned low-voltage (Va) and high voltage are the cut-out voltage (tripping voltage) of supplying with for cutting off voltage, can be 182V and 281V respectively.In addition, above-mentioned upper limit critical voltage (Vc) can be 270V, and lower limit critical voltage (Vb) can be 190V.In addition, as above-mentioned, above-mentioned input voltage (Va～Vd) is the alternating voltage (RMS voltage) of predicting according to the DC voltage value of the port of export detection at abnormal voltage test section.
In addition, in the situation that input voltage value is positioned at above-mentioned Delay Interval (B, C), the operating condition of compressor (21) is constant.In other words, under the driven state of compressor (21), when input voltage value is during at above-mentioned Delay Interval (B, C), the driving of compressor (21) does not stop.On the contrary, under the state having stopped at compressor (21), when above-mentioned input voltage value is during at above-mentioned Delay Interval (B, C), drive compression machine (21) not.As described later, for delay time of making its entry into service under the state stopping at compressor from reaching calculating moment of above-mentioned upper limit critical voltage (Vc) and lower limit critical voltage (Vb).
On the other hand, if above-mentioned abnormal voltage test section (131) does not detect abnormal voltage, continue to maintain driven compressor state (S13), if abnormal voltage detected, judge the moment from detecting whether maintain setting-up time (T1) (S14).In addition, if do not pass through setting-up time (T1), do not enter abnormal voltage supply condition, and continue to maintain previous state.That is, maintain driven compressor state (S13).In addition, if maintain setting-up time (T1), stop drive compression machine (S15).Here, above-mentioned setting-up time (T1) can be 1 second.
In order again to drive, need to be through setting-up time (T2) at least the moment that stops driving from compressor.
In detail, the moment that above-mentioned control part (11) judgement stops driving from compressor, whether passed through setting-up time (T2) (S16), if do not pass through, make compressor continue to maintain halted state (S17), if process, judges whether input voltage reaches the voltage in stable region.Here, above-mentioned setting-up time (T2) can be 3 minutes.
Then, judge whether to maintain with the input voltage in stable region and supply with (S18) in setting-up time (T3), if do not maintain setting-up time (T3), make compressor maintain halted state (S19).On the contrary, if be judged as through setting-up time (T3), be only limited in the situation of not sending air regulator halt instruction and be not only limited to and do not return to the step that compressor drives again in the situation of deenergization (20).Here, above-mentioned setting-up time (T3) can be 30 seconds.
On the other hand, above-mentioned setting-up time (T3) is variable, thereby guarantees the reliability of control algolithm.This is because according to the regional or national of air regulator is set, the stability of the voltage of supplying with may be variant.Therefore, at voltage, supply with unsettled area, above-mentioned setting-up time (T3) value is set as larger, at voltage, supply with stable area, can be set as less.
According to the chart of Fig. 5, there is following situation (a): through setting-up time (T2) before, input voltage has maintained setting-up time (T3) at stable region stop the moment of driving from compressor.But, owing to not passing through the setting-up time (T2) that is equivalent to the delay time for again driving after stopping at compressor, therefore ignore.This be because, for drive compression machine (21) again under the state stopping at compressor (21), must be through predetermined time (T2) after-applied power supply, just can prevent that like this compressor is impaired.Therefore,, after the moment stopping at compressor (21), using the above-mentioned setting-up time of necessary process (T2) as precondition, thereby can prevent that compressor is impaired.
Fig. 6 shows the flow chart of control method of the air regulator of second embodiment of the invention, and Fig. 7 shows and utilizes the control method of second embodiment of the invention based on input voltage value, to control the chart of the situation of driven compressor.
With reference to Fig. 6, the present embodiment is characterised in that, at compressor, stop for the first time the moment driving, for the stable of compressor must be through the delay time (T2), and must, after setting-up time (T3), just make compressor again drive, when compressor stops afterwards at stable region, as long as meet the condition through setting-up time (T3) at stable region, just make compressor again drive.
In detail, when air regulator running instruction is transfused to, first the cumulant variable for the stopping time of compressor is counted (n) is made as to 0 (S21), and starts drive compression machine (S22).With above-mentioned the first embodiment similarly, in the present embodiment also start of run using input stable region alternating voltage as prerequisite.
Then, above-mentioned control part (11) judges whether to have supplied with abnormal voltage (S23) by power input part (12), according to its result, maintains the running (S24) of compressor or enters for judging the step of appending of abnormal voltage.That is,, if abnormal voltage detected, judge whether to maintain in setting-up time (T1) and supply with abnormal voltage (S25), thereby maintain the running of compressor or stop driven compressor (S26).
On the other hand, if meet, stop the condition of driven compressor and stopped driven compressor, making the value of above-mentioned cumulant variable (n) increase by 1 (S27).Whether the value that then, judges cumulant variable (n) is 1 (S28).In other words, judge whether to stop for the first time drive compression machine.Then, if be judged as, stop for the first time drive compression machine (n=1), judge from compressor stops constantly whether passed through setting-up time (T2) (S29).In addition, if do not pass through setting-up time (T2), maintain the halted state (S30) of compressor, if passed through setting-up time (T2), judge whether to have supplied with the voltage (S31) of stable region in setting-up time (T3).
In detail, if maintain supply burning voltage in setting-up time (T3), judge whether that air regulator running halt instruction is the input of power supply open command, if the input of the halt instruction of not turning round, drive compression machine again.On the contrary, if do not pass through setting-up time (T3), continue to maintain driven compressor halted state (S32).
The setting-up time of the present embodiment (T1～T3) can be set as to the setting-up time identical with the first embodiment.In addition, it should be noted, not only at the first embodiment, in a second embodiment, above-mentioned setting-up time (T1～T3) means the time of continuous calculating from starting at constantly, rather than the total of the time maintaining with gap.For example, when above-mentioned setting-up time (T3) is 35 seconds, for compressor is stable, after the delay time (T2), at stable region, input voltage is supplied with to 30 seconds continuously, just be considered as meeting compressor drive condition again.Even input voltage again increases or reduces and the situation that moves to abnormal voltage interval occurs 4 times after stable region maintains 10 seconds, be not considered as above-mentioned setting-up time (T3) yet and passed through more than 30 seconds.
When compressor drives again, re-execute abnormal voltage testing process, the moment stopping for the second time at the input compressor because of abnormal voltage, above-mentioned cumulant variable (n) becomes 2.And the drive condition again that the moment again stopping at compressor is played compressor changes.That is, do not judge whether to meet for guaranteeing the stable delay time of compressor (T2), and the condition of only whether the time of input burning voltage being passed through to setting-up time (T3) judges, thereby whether again to determine drive compression machine.In addition, with the first embodiment similarly, can be divided into a plurality of intervals and judge above-mentioned setting-up time (T3).
As shown in the chart of Fig. 7, the present embodiment is characterised in that, the moment only stopping for the first time at compressor is using the process of setting-up time (T2) as primary condition, afterwards, as long as meet the setting-up time (T3) of stable region, drive compression machine again just.
On the other hand, while stopping driven compressor when supplying with abnormal voltage, can utilize the warning portion (17) that above-mentioned indoor set (10) has to user, to report the supply of abnormal voltage.
The flow chart of the report method when abnormal voltage that Fig. 8 shows the embodiment of the present invention is supplied with.
With reference to Fig. 8, above-mentioned warning portion (17) can be the unit of output audio signal or have for sending the unit of the alarm lamp of passage of scintillation light.In addition, above-mentioned alarm lamp can be LED light source.And, can be in modes such as word or animations to above-mentioned display part (16) output alarm signal.
Below, the alarm unit of take describes as example as sending the situation of the display lamp of light.
First, thus to air regulator supply power, start drive compression machine (S31).Then, detect and in the operation process of air regulator, whether to input abnormal voltage (S32), if abnormal voltage detected, make display lamp glimmer at a certain time interval (S33).Then, meanwhile stop driven compressor (S35).Here, stop the action of driven compressor and the action of display lamp flicker can be carried out simultaneously, also can one in front and one in back carry out these two actions.
On the contrary, do not detect abnormal voltage during, can make the light of display lamp output particular color, for example continue the green or blue light (S34) of output.In addition, when having supplied with abnormal voltage, also can be when making display lamp flicker output alarm sound or warning word.
Claims (17)
1. an air regulator, is characterized in that,
There is indoor set and the off-premises station being connected with this indoor set,
Above-mentioned indoor set has:
Power input part, it accepts the input of external power source,
Abnormal voltage test section, it is connected with above-mentioned power input part, and detects whether supply with abnormal voltage by above-mentioned power input part,
Control part, it receives signal from above-mentioned abnormal voltage test section;
Above-mentioned off-premises station has:
Compressor, it is for compressing refrigerant;
When above-mentioned abnormal voltage test section detects abnormal voltage, above-mentioned control part cuts off to be supplied with compressor is stopped the power supply of above-mentioned compressor,
If from stopping moment of compressor through setting-up time T2,
, from having passed through moment of above-mentioned setting-up time T2 through during setting-up time T3, maintain to compressor and supply with the voltage in stability range, with drive compression machine again.
2. air regulator according to claim 1, is characterized in that,
Above-mentioned abnormal voltage test section has:
Power transformer, to reducing pressure from the alternating voltage of above-mentioned power input part input,
Rectification part and partes glabra, convert the alternating voltage reducing pressure by above-mentioned power transformer to DC voltage,
Voltage distribution portion, the voltage that above-mentioned partes glabra is exported carries out dividing potential drop,
Noise filter, eliminates noise and is applied to above-mentioned control part the voltage of exporting from above-mentioned voltage distribution portion.
3. air regulator according to claim 1, is characterized in that,
Above-mentioned indoor set also has warning portion and/or display part, and above-mentioned warning portion and/or display part are used for reporting: above-mentioned abnormal voltage test section detects abnormal voltage or stops drive compression machine because supplying with abnormal voltage.
4. air regulator according to claim 3, is characterized in that,
Above-mentioned warning portion and/or display part comprise at least one in audio signal output unit, letter signal output unit and optical signal output unit.
5. air regulator according to claim 1, is characterized in that,
Above-mentioned abnormal voltage comprises low-voltage and the high voltage that exceeds aforementioned stable scope.
6. a control method for air regulator, is characterized in that,
Comprise:
Thereby the step of input indoor set running instruction drive compression machine,
Thereby abnormal voltage test section detects the step that abnormal voltage stops drive compression machine,
Thereby remove the step that abnormal voltage supply condition drives above-mentioned compressor again;
If supply with the state of above-mentioned abnormal voltage, maintain setting-up time T1, stop driving above-mentioned compressor,
After stopping driving above-mentioned compressor,
From having passed through moment of setting-up time T2 through during another setting-up time T3, maintain supply allowable voltage, just again drive above-mentioned compressor.
7. the control method of air regulator according to claim 6, is characterized in that,
Above-mentioned setting-up time T1 is 1 second.
8. the control method of air regulator according to claim 6, is characterized in that,
The voltage that above-mentioned abnormal voltage test section detects comprises:
The power supply of above-mentioned compressor is supplied with to cut low-voltage (Va) and high voltage (Vd),
Lower limit critical voltage (Vb), it is than above-mentioned low-voltage (Va) height, and is for stably driving above-mentioned compressor minimum voltage,
Upper limit critical voltage (Vc), it is lower than above-mentioned high voltage (Vd), and is for stably driving the ceiling voltage of above-mentioned compressor;
Above-mentioned abnormal voltage comprises voltage and the above voltage of above-mentioned high voltage (Vd) that above-mentioned low-voltage (Va) is following.
9. the control method of air regulator according to claim 8, is characterized in that,
Above-mentioned allowable voltage is the voltage that is equivalent to the value between above-mentioned lower limit critical voltage (Vb) and upper limit critical voltage (Vc).
10. the control method of air regulator according to claim 6, is characterized in that,
Above-mentioned setting-up time T1～setting-up time T3, can increase and decrease according to the setting position of above-mentioned indoor set and off-premises station.
11. a control method for air regulator, is characterized in that, comprising:
Thereby the step of input indoor set running instruction drive compression machine,
Abnormal voltage test section detects the step of abnormal voltage,
Thereby above-mentioned abnormal voltage maintains the step that setting-up time T1 stops driving above-mentioned compressor for the first time,
From stopping for the first time moment of drive compression machine through the step of setting-up time T2,
From having passed through moment of above-mentioned setting-up time T2 through during setting-up time T3, maintain the voltage in the stability range that supply can stably drive above-mentioned compressor, with the step of drive compression machine again.
The control method of 12. air regulators according to claim 11, is characterized in that,
After the moment stopping in the driving that above-mentioned compressor occurs again because supplying with abnormal voltage, even if do not pass through above-mentioned setting-up time T2, as long as maintain the voltage of supplying with within the scope of aforementioned stable in setting-up time T3, also again drive above-mentioned compressor.
The control method of 13. air regulators according to claim 11, is characterized in that,
Above-mentioned setting-up time T1～setting-up time T3, can increase and decrease according to the setting position of above-mentioned indoor set and off-premises station.
The control method of 14. air regulators according to claim 11, is characterized in that,
The voltage that above-mentioned abnormal voltage test section detects comprises:
The power supply of above-mentioned compressor is supplied with to cut low-voltage (Va) and high voltage (Vd),
Lower limit critical voltage (Vb), it is than above-mentioned low-voltage (Va) height, and is for stably driving the minimum voltage of above-mentioned compressor,
Upper limit critical voltage (Vc), it is lower than above-mentioned high voltage (Vd), and is for stably driving the ceiling voltage of above-mentioned compressor;
Above-mentioned abnormal voltage comprises voltage and the above voltage of above-mentioned high voltage (Vd) that above-mentioned low-voltage (Va) is following.
15. according to the control method of the air regulator described in claim 6 or 11, it is characterized in that,
When abnormal voltage being detected and/or when the driving of above-mentioned compressor stops, by warning portion, export and report signal.
The control method of 16. air regulators according to claim 15, is characterized in that,
The above-mentioned signal of reporting comprises the optical flare signal periodically glimmering for reporting the display lamp of the driving of compressor.
The control method of 17. air regulators according to claim 16, is characterized in that,
Export the audio signal and/or the warning word that comprise alarm sound together with above-mentioned optical flare signal.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020100117911A KR101232529B1 (en) | 2010-11-25 | 2010-11-25 | Air conditioning apparatus and control method thereof |
| KR10-2010-0117911 | 2010-11-25 |
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| Publication Number | Publication Date |
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| CN102478285A CN102478285A (en) | 2012-05-30 |
| CN102478285B true CN102478285B (en) | 2014-07-30 |
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| CN (1) | CN102478285B (en) |
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| CN111854111A (en) * | 2020-07-13 | 2020-10-30 | Tcl德龙家用电器（中山）有限公司 | Air conditioner control method, air conditioner control device, air conditioner, and medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107355964B (en) * | 2017-07-26 | 2019-08-20 | 珠海格力电器股份有限公司 | Air conditioning unit and overvoltage protection method and device thereof |
| KR101946373B1 (en) * | 2017-08-25 | 2019-02-11 | 엘지전자 주식회사 | Power transforming apparatus and air conditioner including the same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201522520U (en) * | 2009-09-18 | 2010-07-07 | 广州松下空调器有限公司 | Abnormal voltage detector |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH109686A (en) * | 1996-04-24 | 1998-01-16 | Daikin Ind Ltd | Air conditioner |
| JPH109698A (en) * | 1996-06-20 | 1998-01-16 | Hitachi Ltd | Helium freezing system |
| JP3754151B2 (en) * | 1996-11-14 | 2006-03-08 | 三洋電機株式会社 | Air conditioner |
| KR20060129563A (en) * | 2005-06-07 | 2006-12-18 | 엘지전자 주식회사 | Constant voltage supply method of compressor in air conditiner |
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| CN201522520U (en) * | 2009-09-18 | 2010-07-07 | 广州松下空调器有限公司 | Abnormal voltage detector |
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| JP平10-227506A 1998.08.25 |
| JP平10-9698A 1998.01.16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111854111A (en) * | 2020-07-13 | 2020-10-30 | Tcl德龙家用电器（中山）有限公司 | Air conditioner control method, air conditioner control device, air conditioner, and medium |
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| KR20120056398A (en) | 2012-06-04 |
| KR101232529B1 (en) | 2013-02-12 |
| CN102478285A (en) | 2012-05-30 |
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