CN105318494B - Air regulator and its control method - Google Patents
Air regulator and its control method Download PDFInfo
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- CN105318494B CN105318494B CN201510324574.9A CN201510324574A CN105318494B CN 105318494 B CN105318494 B CN 105318494B CN 201510324574 A CN201510324574 A CN 201510324574A CN 105318494 B CN105318494 B CN 105318494B
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- compressor
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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
- F24F11/89—Arrangement or mounting of control or safety devices
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention relates to air regulator and its control methods.The air regulator includes: power supply unit, is connect with generator, and the generator power supply for receiving supply carries out rectification and smoothing processing to supply DC power supply；Voltage detection department is measured the voltage of DC power supply；Driving portion supplies to compressor after converting DC power supply, and controls the driving of compressor；Control unit identifies the operation mode of generator power supply, thus sets generator mode, when operating with generator mode, according to the voltage measured by voltage detection department, judge whether generator power supply overloads, if being judged as, generator power supply overloads, and limits the operating of above-mentioned compressor.Operating is controlled by the way that whether the power supply of detection supply overloads, thus, it is possible to release the overload problems of the power supply of supply, and it can prevent air regulator from continually being acted and being stopped realizing and continuously run, supply power supply and product can be prevented to be damaged, provide the user with convenience and more comfortable environment.
Description
It is submitted this application claims on June 12nd, 2014 to South Korea's special permission Room and Korean Patent Application No. is 10-2014-
The priority of 0071734 patent, all the elements are used as reference to quote in the application.
Technical field
The present invention relates to a kind of air regulator and its control methods, more particularly, to a kind of by detecting supplied electricity
The overload condition in source is come to the air regulator that is controlled of operating and its control method.
Background technique
In order to realize comfortable indoor environment, air regulator by the cold or hot air of indoor discharge come in regulation room
Temperature and room air is purified, thus the mankind is given to provide more comfortable indoor environment.In general, air regulator packet
Include: indoor unit is made of heat exchanger and is set to interior；Outdoor unit is made of compressor and heat exchanger etc., is used for room
Interior machine supplies refrigerant.
In such air regulator, separately to the indoor unit being made of heat exchanger and by compressor and heat
The outdoor unit of the compositions such as exchanger is controlled, and is made by being controlled the power supply of supply to compressor or heat exchanger
State air regulator movement.In addition, the outdoor unit of air regulator can be connected at least one indoor unit, according to being requested
Operating condition, to indoor unit supply refrigerant come make air regulator with freeze or heating mode operating.
According to the different types of flow of refrigerant, air regulator is operated in a chiller mode or is operated with heating mode.
When operating in a chiller mode, high temperature and pressure is supplied to indoor unit via the heat exchanger of outdoor unit from the compressor of outdoor unit
Liquid refrigerant, refrigerant indoors machine heat exchanger expansion and gasify so that the temperature of surrounding air declines, by interior
The spinning movement of machine fan is to indoor discharge cold air.When being operated with heating mode, supplied from the compressor of outdoor unit to indoor unit
To the gaseous refrigerant of high temperature and pressure, the heat exchanger of the gaseous refrigerant of high temperature and pressure machine indoors is liquefied, and is put at this time
The air of energy heating out is expelled to interior by the movement of indoor fan.
In such air regulator, refrigerant is recycled by the driving of compressor, and is handed over by the heat of refrigerant
It brings and cold or hot air is discharged, so the stable driving of compressor is a critically important problem.
If the voltage of the power supply of supply to air regulator is low under the unstable environment of the industrial power supplied,
Or supply that variation in voltage is big due to the waveform of power supply is irregular to the power supply of air regulator as generator etc., then, it deposits
The problem of continuously running is being difficult to compressor operating.In general, the generator used is supplied for the generator of low capacity
Power supply be also the big unstable working power of variation in voltage.
Especially, big starting current is needed when compressor start, so being low-voltage in the power supply supplied, or by small
Capacity generator supply power supply in the case where, even if compressor normally starts, also because generator capacity is limited can be repeatedly
It is operated and is stopped, therefore existed and not only cannot achieve continuous operating, but also the problem of cooling and warming efficiency is also lower.
In the case where being also connected with multiple household appliances other than air regulator on such generator, generator
It can be in overload condition, to there are problems that the operating of air regulator becomes increasingly difficult to.
Such phenomenon will use family and feel uneasy, and may also can become the failure cause of generator, and having can
Air regulator can be made to be damaged.
Summary of the invention
The object of the present invention is to provide a kind of air regulator and its control methods, are being fed with unstable power supply
In the environment of, whether overloaded by the power supply for judging supplied, to control operating.
Air regulator of the invention includes: power supply unit, is connected with generator, after receiving supplied generator power supply
Rectification and smoothing processing are carried out to supply DC power supply；Voltage detection department is measured for the voltage to above-mentioned DC power supply；
Driving portion by supply after the transformation of above-mentioned DC power supply to compressor, and controls the driving of above-mentioned compressor；Control unit, to above-mentioned
The operation mode of generator power supply is identified, generator mode is thus set, when with the operating of above-mentioned generator mode, according to
The above-mentioned voltage measured by above-mentioned voltage detection department, makes the operating frequency of above-mentioned compressor get higher or be lower, so that above-mentioned electricity
More than setting value when pressure maintains in a chiller mode or heating mode operates, thus the load of above-mentioned generator power supply is adjusted
Section.
In addition, the control method of air regulator of the invention includes: the operation mode to the generator power supply inputted
The step of being identified, thus setting generator mode；The voltage of above-mentioned generator power supply is measured, to judge above-mentioned hair
The step of whether motor overloads；If above-mentioned generator is in overload condition, made by limiting the operating of above-mentioned compressor
State voltage maintain in a chiller mode or heating mode operate when setting value more than step；Again above-mentioned voltage is surveyed
It is fixed, if the step of above-mentioned voltage is more than above-mentioned setting value, maintains the operating of above-mentioned compressor.
In air regulator and its control method present invention as described above, by whether surpassing to the power supply supplied
It carries to control operating, so as to release the overload problems of supplied power supply, and air regulator can be prevented
It is continually acted and is stopped can be realized and continuously run, supply power supply and product can be prevented to be damaged, to use
Family provides convenience and more comfortable environment.
Detailed description of the invention
Fig. 1 is to show the figure of the structure of air regulator of the invention.
Fig. 2 is to show the figure of air regulator of the invention and the power supply supplied.
Fig. 3 is to show the block diagram of the control structure of air conditioner unit of the invention.
Fig. 4 is to show the block diagram of the related structure of action control of air regulator of the invention.
Fig. 5 is that the operating frequency control for controlling the power consumption for air regulator of the invention and using is said
The figure of institute's reference when bright.
Fig. 6 A and Fig. 6 B are to show the variation of the power consumption based on mode setting of air regulator of the invention
Ideograph.
Fig. 7 is to show the curve of the power consumption and operating frequency based on mode setting of air regulator of the invention
Figure.
Fig. 8 A and Fig. 8 B are to show the figure of the variation for the DC power supply that the smoothing processing of air regulator of the invention is crossed.
Fig. 9 is to show the flow chart of the control method of air regulator of the invention.
Figure 10 A and Figure 10 B are to show the curve graph of the variation of operating frequency and voltage of air regulator of the invention.
Specific embodiment
By referring to accompanying attached drawing and the following detailed description of each embodiment, advantages of the present invention, feature and be used for
Realize that these advantages, the method for feature can become more clear.However, the present invention is not limited to these disclosed below
Embodiment, and can be realized with different various forms.However, these embodiments are for becoming disclosure of the invention more
Completely, and make the complete range it will be understood by those skilled in the art that of the invention, and the present invention is only by appended claims
Book limits.Throughout the specification, identical appended drawing reference indicates identical component.
In the following, the embodiment of the present invention is described in detail referring to attached drawing.
Fig. 1 is to show the figure of the structure of air regulator of the invention.Referring to Fig.1, air regulator includes indoor unit 1
With outdoor unit 2.Moreover, further including for the remote controler 3 to 1 input control order of indoor unit.
In addition, other than air regulator, being additionally provided with other household electrical appliances in the interior for being provided with air regulator and setting
It is standby.In the case where for example, home dwelling, it is both provided with such as washing machine, electric light, refrigerator, television set, electric fan household electrical appliances and sets
Standby, these household appliances are worked by receiving supplied power supply.
At this point, household appliance and air regulator, by receiving by power supply, that is, work of the power generation transmission of power plant 21,22,23
It industry power supply 20 and is worked by one of the power supply power supply of the power generation supply of generator 10.
Moreover, in the case where multiple household appliances are controlled to a power supply, especially in multiple household appliances and generator
In the case that 10 are connected, can also have a switch 30, the switch 30 for select regulation household appliance by power supply extremely
A part of household appliance.At this point, since generator capacity is limited, so the quantity in the i.e. household appliance of load of connection is more
In the case where a, power supply can not be supplied to all household appliances, it is therefore desirable to the supply object of Switching power.According to not sympathizing with
Condition, switch 30 can be used for selecting to load, and can be used for selecting one kind in the industrial power and generator power supply supplied
To supply to household appliance.
At this point, the type or household electrical appliances that can change the household appliance being connected with engine are set according to generator capacity
Standby quantity.For example, general home-use generator is low capacity engine, generated energy is about 600wh to 1Kwh.If generator exists
It is connected with air regulator or works in the state of being connected simultaneously with multiple household appliances, then generator can be in overload shape
State.
Therefore, in the case where air regulator is connected with generator 10, air regulator make power consumption with from hair
The voltage of the power supply of motor supply is correspondingly reduced, to reduce the load of generator.At this point, air regulator is by operational mode
Formula is set as generator mode, and the operating of air regulator is controlled according to calculated power consumption.It can be from being inputted
Power supply in identify generator power supply, to be automatically made generator mode, alternatively, can also be according to passing through remote controler 3 or defeated
Enter the data of unit input, to be set as generator mode.
In addition, air regulator when being operated with generator mode, controls operating based on power consumption, according to
The voltage of the power supply inputted from generator is come whether judging that generator overloads, thus control is operated.That is, air regulator is being set
Power consumption in the range of, operating controlled whether overload according to generator.
Fig. 2 is to show the figure of air regulator of the invention and the power supply supplied.
As shown in Fig. 2, air regulator includes: indoor unit 1, it is used for indoor discharge air；Outdoor unit 2, for supplying
Refrigerant；Remote controler 3, for transmitting control command to indoor unit 1.At this point, indoor unit and outdoor unit are not only via refrigerant pipe
It is connected, and is connected via communication line, is also connected via power supply line.
Air regulator can be connected (A) with industrial power 20, or can also be connected (B) with generator 10.Having
In the case where having switch 30, by switch operate, air regulator can in each power supply of industrial power 20 and generator 10
Some be connected, connected power supply can also be switched.In air regulator, if one in indoor unit or outdoor unit
Unit is controlled to a power supply, then supplies power supply to another unit via the power supply line of both connections.
Here, illustration outdoor unit 2 is connected with an indoor unit 1 and indoor unit is wall-mounted or window air tune
Device is saved, but outdoor unit can be connected with multiple indoor units, and air regulator can divide into furred ceiling according to its form
Formula, cabinet-type, wall-mounted etc..It is empty alternatively, it is also possible to the integral type that is combined for outdoor unit and indoor unit and form a main body
Gas adjuster.Air regulator shown in the drawings is only an example of air regulator, is not to be regarded as the form to air regulator
Restriction.
Indoor unit 1 includes: expansion valve (not shown), for expanding the refrigerant supplied from the outdoor unit 2 being connected；
Indoor heat exchanger (not shown)；Indoor fan (not shown), for making room air flow into indoor heat exchanger, and makes
The air of heat exchange is expelled to interior；Multiple sensors (not shown)；Control unit (not shown), for controlling indoor unit
Movement.Indoor unit 1 includes the outlet (not shown) for the air of heat exchange to be discharged, and in outlet there is wind direction to adjust single
First (not shown), which adjusts unit (not shown) and is used to open and closes outlet, and controls the discharge direction of air.
Indoor unit 1 come the air for controlling sucked air and being discharged, and adjusts air quantity by the revolving speed of control indoor fan.Separately
Outside, indoor unit 1 can also include human testing unit, and human body detection unit is for detecting existing people in space indoors
Body.
Outdoor unit 2 is according to the request for the indoor unit 1 being connected, and in a chiller mode or heating mode works and supplies to indoor unit
To refrigerant.
Outdoor unit 2 includes: at least one compressor (not shown), compresses to the refrigerant of inflow, high pressure is discharged
Gaseous refrigerant；Gas-liquid separator (accumulator, not shown), for refrigerant to be separated into gaseous refrigerant and liquid
Refrigerant, to prevent unvaporized liquid refrigerant from flowing into compressor；Oil eliminator (not shown), for recycling from compression
Oil in the refrigerant of machine discharge；Outdoor heat exchanger (not shown), for making refrigerant and outside air carry out heat exchange, from
And refrigerant is made to condense or evaporate；Outdoor fan (not shown), in order to make the heat exchange in outdoor heat exchanger become more suitable
Freely, it passes air into outdoor heat exchanger, and the air of heat exchange is expelled to outside；Four-way valve (not shown), according to
The operation mode of outdoor unit, to change the flow path of refrigerant；At least one pressure sensor (not shown), for measuring pressure；
At least one temperature sensor (not shown) is used for measuring temperature.In addition to this, outdoor unit further includes multiple sensors, valve, mistake
Cooling device etc., but its detailed description is omitted below.
Remote controler 3 includes the input units such as at least one button, switch, touch tablet (touch pad), is used for indoor unit
1 transmission data relevant to the operating of air regulator setting.At this point, mode transmits data to remote controler 3 by wireless communication.Root
According to different situations, wired connection each other can also be carried out via communication line.
For remote controler 3 when input unit is operated, will input is that data are transmitted to indoor unit, and show the room set
The operation information of interior machine.In addition, remote controler 3 can measure room temperature to be shown.
Remote controler 3 can have multiple buttons or switch as input unit, according to different situations, it is possible to have as touched
Touch input unit is as template as input unit.At this point, remote controler 3 has in the operating setting with air regulator
Operation mode set related key, corresponding data are transmitted to by generator mode key when generator mode key is entered
Indoor unit 1, so that indoor unit is set to generator mode.
Fig. 3 is to show the block diagram of the control structure of air conditioner unit of the invention.
As shown in figure 3, air regulator include power supply unit 120, driving portion 130, voltage detection department 140, test section 150,
Data portion 160, input unit 170, display unit 180, the control unit 110 for controlling molar behavior.
The control structure of such air regulator can be applied to indoor unit and outdoor unit simultaneously.However, in outdoor unit
In, driving portion drives compressor and outdoor fan, and indoors in machine, driving portion drives indoor fan.According to different situations, work
Some making power supply and can supplying into outdoor unit and indoor unit carries out after power supply unit is converted via power supply line
Supply.In addition, indoor unit can also include the communication unit (not shown) for receiving data from remote controler 3.
Communication unit receives from remote controler 3 and operates the related data of setting, and is applied to control unit 110.At this point, according to distant
The type or communication mode of device 3 are controlled, communication unit not only receives the data of remote controler 3, but also according to the control command of control unit 110
Send data to remote controler 3.
Power supply unit 120 is for supplying working power to each portion after rectifying to the power supply of supply to air regulator.Electricity
Source portion 120 is converted to DC power supply by carrying out rectification and smoothing processing to three-phase alternating-current supply.
Voltage detection department 140 is measured the voltage supplied by power supply unit 120 and is input to control unit 110.At this point, electric
Pressure test section 140 is measured the size of the DC voltage after 120 smoothing processing of power supply unit.
Driving portion 130 again converts the DC power supply of power supply unit 120 and is supplied to compressor electric motor or fan electricity
Machine, so that compressor and fan movement.For driving portion 130, outdoor unit can be respectively provided with driven compressor portion, outdoor wind
Driving portion is fanned, and indoor unit can be respectively provided with indoor fan driving portion.
Test section 150 includes multiple sensors in the internal or external setting of air regulator.Test section 150 includes using
In measuring temperature, pressure, voltage, electric current, revolving speed sensor, the data measured are input to control unit 110.
Input unit 170 includes at least one input unit as defined in button, switch, touch tablet etc..If input unit 170
Stepped construction is formed each other with the display unit of display unit 180 as described later, it is possible to referred to as touch screen (touch
screen)。
When the input unit of input unit 170 is operated, defined signal is input to control unit 110 by input unit 170.Control
Portion 110 processed can set the operating of air regulator, Er Qieneng according to the operation of the input unit to input unit 170
Air regulator is enough set to start or terminate operating.According to different situations, input unit 170 can have operation mode setting key, from
And it can input and set related data with generator mode.
Display unit 180 includes for exporting number, text, special character or the display unit of figure.Display unit 180 exports
Operating setting relevant to the operation mode of air regulator, temperature, air quantity etc., and the operating condition of delivery air adjuster.
In addition, the Current Temperatures that the display of display unit 180 is measured by test section 150.
In addition, other than display unit, air regulator further includes raising for effect sound as defined in exporting or warning tones
Sound device (not shown) or buzzer (not shown), whether also may include by shining, color, flashing state indicate various shapes
At least one lamp (not shown) of state.
The control data of the operating for controlling air regulator are stored in data portion 160, for setting air tune
The data for saving the operating of device are also stored with the data measured in operation by test section 150.In addition, in data portion 160,
Other than storing evil data relevant to operating setting, data relevant to operation mode are also stored with, in generator mode
When set power consumption a reference value, measure voltage, based on the calculated power consumption data of voltage, be also stored with defeated
Enter the setting value of the overload of power supply.
Control unit 110 is according to the data inputted by remote controler 3 or input unit 170, to be set and be controlled to operating
So that air regulator acts, and corresponding action state is exported by display unit 180.Control unit 110 is to outdoor unit and interior
The transmitting-receiving of data between machine is controlled, so that according to operating set action, and according to operation mode, control air tune
The power consumption for saving device is no more than defined a reference value when being set as generator mode.
Control unit 110 is according to the voltage value for being detected and being inputted by voltage detection department 140, to judge the negative of supplied power supply
Load state.At this point, the power supply supplied refers to, it is connected and supplies to air regulator the power supply of power supply with air regulator,
It can be the industrial power or generator power supply from power plant power generation supply.The case where air regulator is connected with generator
Under, control unit 110 whether judging generator overload, thus controls operating according to the voltage value detected.
The voltage and setting value that control unit 110 will test are compared to judge the load condition of generator, and will use
Driving portion 130 is applied in the control command of the operating of control compressor.Correspondingly, driving portion 130 is by making the fortune of compressor
Turn frequency to get higher or be lower, to control the operating of compressor.
If being set as generator mode, the control of control unit 110 is based on the calculated power consumption of voltage without departing from benchmark
Value, while judging the load condition of the power supply correspondingly supplied with voltage, thus the operating of air regulator is controlled.
Generator mode refers to, in the case where the power supply of supply to air regulator is low-voltage or big variation in voltage,
Or in the case where generator capacity is low capacity, also can even air regulator is set as unstable input power
The mode enough continuously run.For example, in the case where air regulator is connected with the generator of low capacity, or supplied
In the case that power supply is low-voltage, generator mode can be set as.
In the case where being set as generator mode by remote controler 3 or input unit 170, control unit 110 is with air conditioning
The a reference value of power consumption is set on the basis of the maximum power consumption value of device in the range of about 60% to 80%, and controls air
A reference value of the power consumption of adjuster without departing from set power consumption.At this point it is possible to according to the capacity of air regulator,
Maximum power consumption value changes a reference value.
In addition, characteristic of the control unit 110 according to the power supply inputted, it can be automatic in the case where being connected with generator
It identifies generator power supply, and is set as generator mode.For example, can analyze the waveform of voltage, according to total harmonic distortion (THD,
Total Harmonic Distortion) to determine whether being connected with generator.
If being set as generator mode, control unit 110 is based on the voltage inputted by voltage detection department 140, according to sky
The capacity of gas adjuster, loading level calculate performance number consumed by air regulator, and by calculated performance number with
The a reference value of setting compares, and thus controls the power consumption of air regulator without departing from defined a reference value.
If calculated power consumption increases, control unit 110 controls driving portion 130 become the operating frequency of compressor
Low to be increased with limiting power consumption, if power consumption is reduced, control unit 110 gets higher the operating frequency of compressor to improve system
Cold heating performance.
The transport maximum frequency that control unit 110 can be operated by changing the maximum value of the operating frequency of compressor, comes
Compressor is limited not with frequency run more than transport maximum frequency.
When being set as generator mode, control unit 110 as described above controls compressor based on power consumption
Operating frequency, while the power supply i.e. load condition of generator power supply is judged based on the voltage measured, to control the operating of compressor
Frequency, so that the load for acting on power supply changes.
At this point, the operating frequency of the compressor of the load condition based on power supply controls, it is in power consumption without departing from benchmark
In the range of value, based on the load condition of the power supply inputted, when power supply overload, controls the operating frequency of compressor, makes
The overload for obtaining power supply is released.
Fig. 4 is to show the block diagram of structure related with the action control of air regulator of the invention.As shown in figure 4,
Power supply unit 120 includes power input part 121, rectification part 122, DC link section (DC link) 123.
The power supply of industrial power 20 or generator 10 is connected with air regulator, supplies power supply to power input part 121.
122 pairs of power supplys inputted of rectification part rectify, and DC link section 123 is smoothed rectified power supply.Institute as a result,
The AC power source of input is converted to DC power supply.
Driving portion 130 includes the frequency converter 131 for driving compressor 191.In addition, further including for making outdoor fan
192 or indoor fan 193 drive the first fan driving section (not shown) and the second fan driving section (not shown).At this point, pressure
Contracting machine 191, outdoor fan 192, indoor fan 193 are the load for acting on power supply.
Frequency converter 131 is used to the DC power supply after the rectification and smoothing processing of power supply unit 120 being converted to AC power source simultaneously
The motor to compressor 191 is supplied so that compressor action.
In addition, outdoor fan 192 is connected with driving portion 130, therewith when motor is acted by the first fan driving section
Spinning movement.Outdoor fan 192 is for will be expelled to outside in the air of 194 heat exchange of outdoor heat exchanger.In addition, indoor
Fan 193 rotates with movement when motor is acted by the second fan driving section, for that 195 heat of heat exchanger will hand over indoors
The air changed is expelled to interior.
Voltage detection department 140 is measured the voltage of DC link section 123 and is input to control unit 110 (202).
Since the voltage of DC link section 123 is changed according to the load condition of power supply, so control unit 110 is based on direct-current chain
The voltage in portion 123 controls driving portion 130.
Control unit 110 carries out automatic identification (201) to generator power supply to set generator mode, or according to from remote control
Data 206 that device 3 receives set generator mode.
In addition, control unit 110 is according to the calculated performance number of voltage is based on, to driving when being set as generator mode
The frequency converter 131 in portion 130 applies control command (203) to control compressor 191, thus limits power consumption and increases.Driving portion
130 change the operating frequency of compressor 191 according to the control command of control unit 110, so that operating frequency of the compressor to set
Rate movement.
At this point, frequency converter 131 controls compressor 191 with the movement of initial operation frequency in air regulator operating, and with
Load increase, get higher the operating frequency of compressor 191 also.When being set as generator mode, even if air regulator
Load increase, frequency converter 131 does not surpass the operating frequency control of compressor 191 also according to the control command of control unit 110
Cross prescribed level.
The operating frequency that control unit 110 controls compressor changes according to calculated performance number, if performance number is providing
It is worth in range, then control command is applied to driving portion 130 in a manner of the operating frequency for maintaining compressor.
In addition, control power consumption is without departing from a reference value as described above on one side for control unit 110, on one side according to direct-current chain
The voltage 202 in portion 123 judges the load condition of power supply 10 or power supply 20, and thus control is as load effect in the compression of power supply
The operating frequency of machine 191, or control outdoor fan 192 or indoor fan 193 (204,205), to adjust load.
The voltage 202 of DC link section 123 can be changed according to the load condition of power supply, so if the electricity of DC link section 123
Pressure drop becomes the operating frequency of compressor 191 down to a reference value hereinafter, then control unit 110 is judged as that power supply is in overload condition
It is low so that the load of power supply is reduced, and in the case where got higher due to the voltage of DC link section 123 is reduced because loading, control unit 110
The operating frequency of control compressor 191 is got higher.Here, control unit 110 is controlling compressor 191 according to the load condition of power supply
Operating frequency when, based on the calculated power consumption of voltage without departing from a reference value in the range of, control compressor 191 fortune
Turn frequency.
Fig. 5 is that the operating frequency control for controlling the power consumption for air regulator of the invention and using is said
The figure of institute's reference when bright.
Referring to Fig. 5, when being set as generator mode, control unit 110 is using the maximum power consumption of air regulator as base
The a reference value of quasi- setting power consumption.For example, then 600W can be set as base by control unit 110 if the air regulator of 1KW
Quasi- value (TG1).
The a reference value of setting is compared by control unit 110 with calculated performance number, controls performance number without departing from conduct
The 600W of a reference value.At this point, in addition control unit 110 also sets the second a reference value in such a way that performance number is without departing from a reference value
(TG2).It, can be by second in the case where a reference value as described above (hereinafter, referred to first reference value (TG1)) is 600W
A reference value (TG2) is set as about 500W.
In the case where calculated power consumption belongs to the second a reference value (TG2) first area A below, control unit
110 can not be such that the operating frequency of compressor 191 gets higher with being limited by other.It is empty if the operating frequency of compressor 191 is got higher
The power consumption of gas adjuster also correspondingly increases (S11).
Control unit 110 calculates power consumption based on the voltage measured, if calculated power consumption reaches the second benchmark
It is worth (TG2), then control command is applied to driving portion 130 to control compressor 191.At this point, driving portion 130 is according to control unit
The operating frequency of 110 control command, limitation compressor 191 is further got higher.
The case where power consumption belongs to the second area B between first reference value (TG1) and the second a reference value (TG2)
Under, driving portion 130 maintains the operating frequency of compressor 191.At this point, control unit 110 is judged as that inputted power supply is in overload
State, by making the operating frequency of compressor be lower come control action in the load of power supply.That is, being directed to power consumption, control unit
110 control the operating frequency of compressors 191, while the operating frequency of compressor is controlled based on the overload condition of power supply.
On the other hand, in the case where power consumption is first reference value (TG1), control unit 110 is by making compressor 191
Operating frequency be lower and reduce (S12) come power consumption consumed by making.At this point, control unit 110 control power consumption without departing from
First reference value (TG1), if having exceeded first reference value (TG1), the operating frequency for controlling compressor 191 is lower.
In the case where reducing power consumption by making the operating frequency of compressor 191 be lower, cooling and warming performance
Also it can reduce, so control unit 110 can control the operating of compressor 191 in the case where power consumption belongs to first area A
Frequency is got higher again.
At this point, the maximum value that control unit 110 changes the operating frequency of compressor 191 according to power consumption can operate
Transport maximum frequency, thus limit compressor 191 cannot be with frequency run more than transport maximum frequency.Control unit as a result,
110 can make the power consumption of air regulator without departing from a reference value.
Fig. 6 A and Fig. 6 B are to show the variation of the power consumption based on mode setting of air regulator of the invention
Ideograph.
Fig. 6 A is to show the variation of power consumption when air regulator is connected with generator and is usually operated
Figure, Fig. 6 B is to show the figure of the variation of power consumption when being set as generator mode.
As shown in Figure 6A, when the air regulator being connected with generator starts running, since generator capacity has
Limit, so make generator be in overload condition as the power consumption of air regulator is got higher so that protect circuit start with
Act air regulator stopping.
Air regulator after the protection circuit logic standby stipulated time according to restarting to operate, but generator capacity is still
So it is limited, so repeatedly starting after stop and restart again.Such phenomenon will use family and feel uneasy, can also become hair
The reason of electrical fault, and air conditioner can be made to be damaged.
On the other hand, as shown in Figure 6B, the feelings of generator mode are set as in the air regulator being connected with generator
Under condition, control unit 110 controls the operating frequency of compressor 191 when starting running to limit power consumption, so empty
The power consumption of gas adjuster increases specified value according to a reference value of setting, then maintains about the 60% of maximum power consumption
It is worth (S2).
At this point, if air regulator is connected with common industrial power, if air regulator starts running,
Then compressor 191 is acted according to operating setting, and power consumption increases at any time.It is transported in compressor 191 with highest level
When turning, as shown, air regulator maintains maximum power consumption (S1).
In the present invention, it is set on the basis of the maximum power consumption under the common operational situation of such air regulator
Determine generator mode, the power consumption of air regulator is limited to the 60 to 80% of maximum power consumption to operate.
In addition, control unit 110 controls the operating of compressor 191 in the case where the load condition of power supply is judged as overload
Frequencies go lower, so even if control compressor, is also able to maintain that power consumption in a reference value state below of setting.
Fig. 7 is to show the curve of the power consumption and operating frequency based on mode setting of air regulator of the invention
Figure.Fig. 7, which is shown, is set as generator in the case where air regulator is connected separately to be operated on the generator of 1KWVA
The operating frequency and power consumption of the compressor of mode change with time.
As shown in fig. 7, if air regulator is connected with generator and is started running, the operating frequency of compressor 191
(S21) it gets higher.The power consumption (S22) of air regulator is also got higher therewith.
When setting generator mode, control unit 110 sets a reference value (first reference value, S23) of power consumption.This
When, on the basis of the maximum power consumption of air regulator, a reference value can be set in the range of 60 to 80%.
At this point, control unit 110 sets generator mode according to the data of remote controler 3 or input unit 170.According to not sympathizing with
Condition, control unit 110 can also judge to supply by other detection unit to the power supply of air regulator as generator power supply
Or industrial power.In the case where supply generator power supply, control unit 110 can come according to the detection signal of detection unit
It is automatically made generator mode.
Control unit 110 calculates the power consumption of air regulator according to the voltage measured in operation process, and with this phase
Accordingly control is calculated power consumption without departing from a reference value.
As described above, control unit 110 sets second a reference value smaller than a reference value, if calculated power consumption is beyond the
Two a reference values dislike and apply control command to driving portion 130 to control the operating frequency of compressor 191.
If power consumption is the second a reference value more than and less than a reference value (S23, first reference value), then figure as described above
Belong to second area B in 5, so driving portion 130 maintains the operating frequency of current compressor 191.However, being judged as at power supply
In the case where overload condition, operating of the control unit 110 in the range of power consumption is without departing from a reference value, to compressor 191
Frequency is controlled.
The operating frequency of compressor 191 maintains specified value as a result, though the value of power consumption is because of input voltage or the change of load
It moves and some variations, but not a reference value beyond setting.Moreover, the super of the i.e. generator power supply of inputted power supply can be released
Load state.
Therefore, air regulator can not shut down ground long time running, and be able to maintain that defined cooling and warming
Performance.
Fig. 8 A and Fig. 8 B are to show the figure of the variation for the DC power supply that the smoothing processing of air regulator of the invention is crossed.
Fig. 8 A shows the voltage change when power supply being connected with air regulator is in overload condition, and Fig. 8 B is shown to air tune
The operating of section device is controlled to adjust voltage change when load.
As shown in Figure 8 A, in the case where being in overload condition to the power supply of air regulator supply of electrical energy, if air tune
Section device starts running, then the voltage of the DC link section 123 detected by voltage detection department 140 reduces as shown in Figure
(S31), and power consumption value increase with time.
At this point, if having passed through stipulated time (T1), the voltage of DC link section 123 or drastically reduce.Especially in air
In the case that adjuster is connected with generator, if being also connected with other household appliances other than air regulator, because
The power generation capacity of generator is limited and power supply is in overload condition, as shown, the voltage of supply to air regulator can be sharply
It reduces.In this case, other than air regulator, other household appliances connected can not be operating normally.
As shown in Figure 8 B, it is measured by voltage of the voltage detection department 140 to DC link section 123,110 basis of control unit
The variation (S32) of voltage judges whether power supply overloads.
In the case where the voltage of DC link section 123 reduces as shown in Figure, if the voltage drop of DC link section 123 down to
Setting value is hereinafter, then control unit 110 immediately reduces load, so that the voltage of DC link section 123 no longer further decreases.
At this point, control unit 110 to driving portion 130 apply control command making the operating frequency of compressor 191 be lower so that
The load of power supply is reduced, if the voltage of DC link section 123 is got higher again, the voltage of DC link section 123 reaches specified value, controls
Keep on the go frequency in portion 110 processed.At this point, control unit 110 can be according to the voltage change of DC link section 123, to make compressor
Operating frequency gets higher or is lower.In addition, control unit 110 can be carried out by the revolving speed to outdoor fan 192 or indoor fan 193
Control, Ali reduce load.
For example, control unit 110 controls driving portion 130 to make to press if the voltage of DC link section 123 reaches 220V (T11)
The operating frequency of contracting machine is lower, if the voltage of DC link section 123 rises with it and reaches 220V to 230V (T12), maintains to press
The operating frequency of contracting machine.
Control unit 110 is controlled such that operating frequency maintains specified value to the operating frequency of compressor, at this point, in power supply
Load configuration in the state of, the voltage of DC link section 123 also maintains steady state value.On the other hand, if the load of generator because with
Other household appliance stoppings that generator is connected are acted and are reduced, then the voltage of DC link section 123 can rise, in DC link section
In the case that 123 voltage rises to specified value or more, control unit 110 gets higher the operating frequency of compressor 191.However, control
Portion 110 processed controls the fortune of compressor 191 in the range of based on the calculated power consumption of voltage without departing from a reference value (TG1)
Turn frequency to get higher.
Fig. 9 is to show the flow chart of the control method of air regulator of the invention.
As shown in figure 9, if be fed with power supply to air regulator, and be set as generator mode and start running
(S310), then (S320) is detected by voltage of the voltage detection department 140 to the DC power supply of DC link section 123 and is input to
Control unit 110.
The voltage measured is compared by control unit 110 with setting value, to control the operating of compressor.
If the voltage measured, less than the first setting value (setting value) (S330), control unit 110 applies to driving portion 130 to be controlled
System order is to make the operating frequency of compressor 191 be lower (S340).Driving portion 130 makes the operating frequency of compressor 191 be lower, directly
The voltage in stream chain portion 123 rises with it.
On the other hand, if the voltage measured is the first setting value more than and less than the second setting value (S350), control unit
110 maintain the operating frequency (S360) of compressor 191.At this point, the second setting value is set as bigger than the first setting value.
If the voltage measured is the second setting value or more, control unit 110 applies control command to driving portion 130 to make to press
The operating frequency of contracting machine gets higher (S370).Driving portion 130 gets higher the operating frequency of compressor 191.
However, control unit 110 makes the operating frequency of compressor in the range of power consumption maintains less than the state of a reference value
Rate is got higher.If power consumption reaches a reference value, the operating frequency that control unit 110 controls compressor 191 is lower.
Until receiving the order that shuts down (S380), control unit 110 is carried out control as follows: according to by voltage detection department
The variation of the voltage of 140 DC link sections 123 measured, makes the operating frequency of compressor get higher or be lower or maintain, to not make
The voltage drop of DC link section down to setting value (the first setting value) if hereinafter, and the voltage of DC link section rise, make operating frequency
Rate gets higher that cooling and warming performance is made to improve (S320 to S370).
If receiving the order that shuts down (S380), control unit 110 makes air regulator shut down (S390).
Figure 10 A and Figure 10 B are to show the curve graph of the variation of operating frequency and voltage of air regulator of the invention.
Figure 10 A show air regulator is connected with generator carry out usually operating in the case where voltage and compression
Machine operating frequency changes with time, and Figure 10 B is shown in the feelings controlled according to the voltage of DC link section 123 operating
The variation of voltage and compressor operation frequency under condition.
As shown in Figure 10 A, if the air regulator being connected with generator starts running, the operating frequency of compressor 191
Rate (S41) is got higher, and the power consumption (S42) of air regulator is also got higher therewith.At this point, since generator capacity is limited, institute
It can be reduced as power consumption is got higher with the voltage (S43) of DC link section 123.Since the capacity of generator 10 is limited, so
When the operating frequency of compressor 191 is got higher and power consumption increases, generator 10 is in overload condition, so that DC link section
123 voltage drop is down to minimum voltage needed for operating hereinafter, air regulator can stop acting at this time.If air regulator stops
Stop is made, then the load of generator is reduced, so that the voltage of DC link section 123 rises again.
Circuit work is protected in air regulator, so that air regulator stopping is heavy after acting and have passed through the stipulated time
Newly start air regulator, but can be stopped again as described above, operating and stopping are repeated in this way.
As shown in Figure 10 B, if the air regulator being connected with generator starts running, the operating frequency of compressor 191
Rate (S51) is got higher, and power consumption (S52) is also got higher therewith.At this point, the voltage (S53) of DC link section 123 can reduce, but as above
Described, if voltage is less than setting value, control unit 110 is judged as that generator 10 is in overload condition, controls the fortune of compressor 191
Turn frequencies go lower.
If the voltage of DC link section 123 maintains the value of setting value or more and voltage remains constant, control unit 110 maintains pressure
The operating frequency of contracting machine 191, if voltage is the second setting value or more, the operating frequency for controlling compressor is got higher, so that refrigeration
Heating performance improves.At this point, the operating frequency for controlling compressor again is lower if the voltage of DC link section 123 reduces, so that
Voltage is not reduced to setting value or less.Above-mentioned control is repeated.
Air regulator can not only release the overload problems of generator as a result, and can continuously run for a long time.
Above, illustrate that all structural elements for constituting the embodiment of the present invention are combined into the feelings acted
Shape, but the present invention is not limited to such embodiment.In the case where not departing from purpose of the present invention range, according to difference
Embodiment, all structural elements are combined into more than one the property of can choose also to be acted.
The illustrative explanation that above explanation only carries out technical idea of the invention, as long as this field
Technical staff must be able to carry out various modification and deformation in the range of not departing from essential characteristic of the invention.
Claims (10)
1. a kind of air regulator characterized by comprising
Power supply unit is connected with generator, receives supplied generator power supply as carrying out rectification and smoothly after input power
Processing is to supply DC power supply；
Voltage detection department, the voltage for the DC power supply to above-mentioned power supply unit are measured；
Driving portion by supply after the transformation of above-mentioned DC power supply to compressor, and controls the driving of above-mentioned compressor；
Control unit identifies the operation mode of above-mentioned generator power supply, thus sets generator mode, with above-mentioned power generation
When machine mode operation, according to the above-mentioned voltage measured by above-mentioned voltage detection department, get higher the operating frequency of above-mentioned compressor
Or be lower so that above-mentioned voltage maintain in a chiller mode or heating mode operate when setting value more than, thus to above-mentioned power generation
The load of electromechanical source is adjusted,
If operation start is less than above-mentioned set stipulated that the above-mentioned voltage measured during the time by above-mentioned voltage detection department reduces
Definite value, then above-mentioned control unit is judged as that above-mentioned generator power supply is in overload condition, therefore the operating for limiting above-mentioned compressor comes
So that above-mentioned voltage is maintained above-mentioned setting value or more, thus reduce the load of above-mentioned generator power supply,
If being measured again to above-mentioned voltage, above-mentioned voltage is that above-mentioned setting value is big more than and less than than above-mentioned setting value
Second setting value, then above-mentioned control unit maintains the operating frequency of above-mentioned compressor, if above-mentioned voltage be above-mentioned second setting value with
On, then the operating frequency of above-mentioned control unit control above-mentioned compressor is got higher.
2. air regulator as described in claim 1, which is characterized in that
Above-mentioned control unit, reduce the load of above-mentioned generator power supply, is made by making the operating frequency of above-mentioned compressor be lower
Above-mentioned voltage is obtained to rise with the reduction of the load of above-mentioned generator power supply.
3. air regulator as described in claim 1, which is characterized in that
Above-mentioned control unit controls the operating frequency of above-mentioned compressor by above-mentioned driving portion, so that being calculated based on above-mentioned voltage
Power consumption without departing from a reference value under above-mentioned generator mode.
4. air regulator as described in claim 1, which is characterized in that
In the case where getting higher the operating frequency of above-mentioned compressor, the operating frequency of above-mentioned control unit control above-mentioned compressor becomes
Height, to make to maintain a reference value under above-mentioned generator mode or less based on the calculated power consumption of above-mentioned voltage.
5. air regulator as described in claim 1, which is characterized in that
Above-mentioned power supply unit includes:
Power input part is connected with above-mentioned generator power supply,
Rectification part, for being rectified to above-mentioned generator power supply,
DC link section, for being smoothed to rectified power supply；
Above-mentioned voltage detection department is measured the voltage of above-mentioned DC link section and is input to above-mentioned control unit.
6. air regulator as described in claim 1, which is characterized in that
Above-mentioned control unit is analyzed the waveform of above-mentioned generator power supply the operation mode to identify above-mentioned generator power supply, by
This sets above-mentioned generator mode automatically.
7. air regulator as described in claim 1, which is characterized in that
Above-mentioned control unit is according to the key input of the generator mode key received from remote controler, to set above-mentioned generator mode.
8. a kind of control method of air regulator characterized by comprising
The step of operation mode of the generator power supply inputted is identified, generator mode is thus set；
The voltage of above-mentioned generator power supply is measured, the step of whether above-mentioned generator overloads judged；
If operation start during the time by the above-mentioned voltage that above-mentioned voltage detection department is measured stipulated that being reduced and being less than to freeze
Voltage setting value when operating or heating operation, then be judged as the step of above-mentioned generator is in overload condition；
If above-mentioned generator is in overload condition, adjusted by making the operating frequency of compressor be lower electromechanical to above-mentioned power generation
The load in source limits the operating of above-mentioned compressor so that above-mentioned voltage maintain in a chiller mode or heating mode operate when it is upper
State the step of setting value or more；
Again the step of above-mentioned voltage being measured；
If above-mentioned voltage is above-mentioned setting value more than and less than second setting value bigger than above-mentioned setting value, above-mentioned compression is maintained
The step of operating frequency of machine；
The step of if above-mentioned voltage is above-mentioned second setting value or more, gets higher the operating frequency of above-mentioned compressor.
9. the control method of air regulator as claimed in claim 8, which is characterized in that
Further include: after the operating frequency of above-mentioned compressor is lower, if the newly measured above-mentioned voltage of weight is less than above-mentioned setting value,
The step of then making the operating frequency of above-mentioned compressor be lower.
10. the control method of air regulator as claimed in claim 8, which is characterized in that
Further include: in the case where getting higher the operating frequency of above-mentioned compressor, if being based on the calculated power consumption function of above-mentioned voltage
Rate reaches a reference value under above-mentioned generator mode, then limits the step of operating by making the operating frequency of above-mentioned compressor be lower
Suddenly.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140071734A KR101570689B1 (en) | 2014-06-12 | 2014-06-12 | Air-conditioner and method |
| KR10-2014-0071734 | 2014-06-12 |
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| CN105318494A CN105318494A (en) | 2016-02-10 |
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| KR (1) | KR101570689B1 (en) |
| CN (1) | CN105318494B (en) |
| WO (1) | WO2015190886A1 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101797054B1 (en) * | 2016-04-14 | 2017-11-14 | 한국철도기술연구원 | Solar Power Sound Proof Wall Structure and Unit, and Method for Cooling such Wall Unit |
| CN107388481A (en) * | 2017-06-30 | 2017-11-24 | 广东美的制冷设备有限公司 | A kind of air conditioner, the control method of air conditioner and computer installation |
| KR101990143B1 (en) * | 2017-12-18 | 2019-06-18 | 엘지전자 주식회사 | Compressor controlling apparatus |
| KR102111409B1 (en) * | 2017-12-18 | 2020-05-15 | 엘지전자 주식회사 | Air conditioner |
| CN108317695B (en) * | 2017-12-26 | 2020-08-25 | 青岛海尔空调器有限总公司 | Adaptive generator air conditioner control method and device |
| CN109539496B (en) * | 2018-10-19 | 2021-07-23 | 重庆海尔空调器有限公司 | Air conditioner self-adaptive control method and air conditioner |
| KR102565779B1 (en) * | 2018-11-14 | 2023-08-11 | 엘지전자 주식회사 | Ceiling fan and control method thereof |
| CN112503737A (en) * | 2020-12-04 | 2021-03-16 | 中山长虹电器有限公司 | Operation method and system of air conditioner adaptive low-power generator |
| CN114216217B (en) * | 2021-12-02 | 2023-08-15 | 青岛海尔空调器有限总公司 | Method and device for adjusting power supply of air conditioner and air conditioner |
| CN114183902A (en) * | 2021-12-07 | 2022-03-15 | 珠海格力电器股份有限公司 | Control method and device of air conditioner, air conditioner and computer readable storage medium |
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- 2014-06-12 KR KR1020140071734A patent/KR101570689B1/en active IP Right Grant
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- 2015-06-12 WO PCT/KR2015/005966 patent/WO2015190886A1/en active Application Filing
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| CN1169783A (en) * | 1995-01-11 | 1998-01-07 | 微行星有限公司 | Mtthod and apparatus for electronic power control |
| CN1140250A (en) * | 1995-06-13 | 1997-01-15 | 三洋电机株式会社 | Air conditioner with solar generator |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2015190886A1 (en) | 2015-12-17 |
| CN105318494A (en) | 2016-02-10 |
| KR101570689B1 (en) | 2015-11-20 |
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