CN105299824B - Air regulator and its control method - Google Patents
Air regulator and its control method Download PDFInfo
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- CN105299824B CN105299824B CN201510323985.6A CN201510323985A CN105299824B CN 105299824 B CN105299824 B CN 105299824B CN 201510323985 A CN201510323985 A CN 201510323985A CN 105299824 B CN105299824 B CN 105299824B
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- air regulator
- power supply
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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)
- Mechanical Engineering (AREA)
- 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, carries out rectification and smoothing processing after receiving the generator power supply of supply to supply DC power supply；Voltage detection department is measured the voltage of the DC power supply of power supply unit；Driving portion controls the driving of compressor；Control unit, the operation mode of generator power supply is identified, generator mode is thus set, when being set as generator mode, the operating frequency of compressor is controlled by driving portion, so that the power consumption based on the calculated air regulator of voltage is without departing from a reference value under generator mode.Thus, even if input has the power supply of unstable low-voltage, low capacity, also it can be kept on the go by controlling the power consumption of air regulator, it is able to achieve while to can ensure that cooling and warming performance and continuously runs for a long time, compressor can be prevented to be damaged, compulsory exercise can be independently executed with the power supply of supply, the convenience of user increases substantially.
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 0071733 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, utilize low capacity, low-voltage more particularly, to a kind of
Working power be also capable of the air regulator and its control method of continuous action.
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.Separately
Outside, in the case where operating is repeated and stops, it is possible to compressor can be made to be damaged.
Therefore, even if expecting that one kind, also can be steadily continuous in the environment of being fed with the power supply of low capacity, low-voltage
The air regulator of operating.
Summary of the invention
Even if the object of the present invention is to provide one kind the unstable power supply for being fed with low capacity, low-voltage ring
Also the air regulator and its control method that is capable of providing constant cooling and warming performance under border and can continuously run.
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, the voltage for the DC power supply to above-mentioned power supply unit
It is measured；Driving portion, for controlling the driving of compressor；Control unit knows the operation mode of above-mentioned generator power supply
Not, generator mode is thus set, when being set as above-mentioned generator mode, above-mentioned compressor is controlled by above-mentioned driving portion
Operating frequency so that the power consumption based on the calculated air regulator of above-mentioned voltage is without departing under above-mentioned generator mode
A reference value.
The control method of air regulator of the invention includes: to know to the operation mode of the power supply inputted from generator
Not, the step of thus setting generator mode；The voltage of above-mentioned power supply is measured, to calculate the power consumption function of air regulator
The step of rate；The operating frequency of compressor is controlled, so that above-mentioned power consumption is without departing under above-mentioned generator mode
The step of a reference value；State with above-mentioned power consumption without departing from said reference value is, it is specified that the step of more than time keeping on the go.
In air regulator and its control method present invention as described above, even if input has unstable little Rong
Amount, the working power of low-voltage, can also be kept on the go by being controlled power consumption, so as to ensure refrigerated medium
Can be realized while hot property and continuously run for a long time, compressor can be prevented to be damaged, can with the power supply that is supplied without
It closes ground and executes compulsory exercise, so the convenience of the reliability of product and user are improved due to operating is stablized.
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 is to show the figure of the remote controler of air regulator of the invention.
Fig. 9 is to show the flow chart of the control method 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 making disclosure of the invention become more to add
It is whole, 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
Restriction.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.
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.
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 (2) can be respectively provided with driven compressor portion, room
External fan driving portion, and indoor unit (1) 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.
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.
Especially, in the case where being set as generator mode by remote controler 3 or input unit 170, control unit 110 is with sky
The a reference value of power consumption is set on the basis of the maximum power consumption value of gas adjuster in the range of about 60% to 80%, and is controlled
A reference value of the power consumption of air regulator processed without departing from set power consumption.At this point it is possible to according to air regulator
Capacity, maximum power consumption value change 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.
Here, generator mode refers to, is low-voltage or the big feelings of variation in voltage in the power supply of supply to air regulator
Under condition, or in the case where generator capacity is low capacity, even air regulator is set as unstable input electricity
The mode that source can also be continuously run.For example, in the case where air regulator is connected with the generator of low capacity, or in institute
In the case that the power supply of supply is low-voltage, generator mode can be set as.
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.For example, the transport maximum frequency in compressor is 100hz's
In the case of, 50hz is set as transport maximum frequency by control unit 110, to make compressor not with the frequency run beyond 50hz.This
When, make in operating frequency range of the calculated power consumption without departing from a reference value, sets transport maximum frequency.
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 191 changes according to calculated performance number, if performance number is being advised
In limits, 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
Machine 191, outdoor fan 192 or indoor fan 193 (204,205), carry out adjustment effect in the load of power supply.
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.
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.
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 is to show the figure of the remote controler of air regulator of the invention.
As shown in figure 8, the remote controler 3 of air regulator has multiple keys 220, also there is display unit 210.Pass through multiple keys
The data of 220 inputs are transmitted to indoor unit 1 from remote controler 3, and indoor unit is according to received data come the fortune to air regulator
Rotate into capable setting.
In the display unit 210 of remote controler 3, the setting of present air adjuster is shown, is also shown opposite with key input
The data or menu answered.
If having selected generator mode key 221 in multiple keys 220, indoor unit 1 receives corresponding data to set hair
Motor mode, and a reference value of power consumption is set as described above.Operating of the outdoor unit 2 to compressor as a result,
It is controlled.
Fig. 9 is to show the flow chart of the control method of air regulator of the invention.
As shown in figure 9, air regulator is controlled to a power supply (S310), and the operation mode of setting air adjuster
(S320).At this point, air regulator receives the supply of power supply from generator.
The operating of input air adjuster is set, to set the mode i.e. generator for the power supply being connected with air regulator
Mode (S320).
If being set as generator mode, control unit 110 sets a reference value (the first benchmark for limiting power consumption
Value) (S330).At this point, setting a reference value on the basis of the maximum power consumption of air regulator, and a reference value may root
It changes according to the capacity of air regulator, the generator capacity being connected with air regulator.
Control unit 110 sets a reference value in 60 to 80% ranges of the maximum power consumption of air regulator.For example,
In the case that the capacity of air regulator is 1KW, reference value is 600W by control unit 110.
Control unit 110 sets second a reference value smaller than first reference value to control power consumption without departing from a reference value,
And operating is controlled on the basis of the second a reference value.In addition, be at this time the value smaller than a reference value by the second reference value,
Region of i.e. the second a reference value of second area B more than and less than first reference value in Fig. 5 as described above is consequently formed.
Control unit 110 is according to setting is inputted, to make air regulator start running (S340).The driving portion of outdoor unit 2
130 control compressor 191 according to setting, will be in the sky of heat exchanger heat exchange as refrigerant starts the cycle over
Gas is expelled to interior.
Voltage detection department 140 is measured (S350) to the voltage of power supply unit 120.At this point, voltage detection department 140 is to power supply
The input voltage in portion 120 or the voltage of DC link section 123 are measured and are applied to control unit 110.
Control unit 110 calculates the power consumption of air regulator according to the voltage measured by voltage detection department 140.Control
Portion 110 processed is multiplied by electric current to the voltage measured to calculate power.At this point, calculated power is the apparent energy of air regulator
(apparent power).According to different situations, voltage, electric current can be multiplied with power factor and be had by control unit 110
Power consumption of the function power as air regulator.
Calculated power consumption is compared by control unit 110 with a reference value.
As described above, control unit 110 will be set as smaller than first reference value and form second of the second area B in Fig. 5
A reference value is compared (S370) with power consumption.If power consumption, less than the second a reference value, control unit 110 is to driving portion
130 application control commands get higher (S380) to control the operating frequency of compressor.
On the other hand, if power consumption is the second a reference value or more, control unit 110 is by power consumption and first reference value
It is compared (S390).
If power consumption is the second a reference value more than and less than first reference value, control unit 110 applies to driving portion 130
Control command come make compressor 191 operating frequency maintain current value (S410).
In addition, control command is applied to driving portion 130 by control unit 110 if power consumption reaches first reference value
The operating frequency of compressor is set to be lower (S400).At this point, control unit 110 controls the power consumption of air regulator without departing from first
A reference value figure, if but according to circumstances have exceeded first reference value, so that the operating frequency of compressor is lower immediately, to make power consumption
Power reduces.
Until receiving the order that shuts down (S420), control unit 110 is periodically received from voltage detection department 140
Voltage calculates power consumption, thus controls the operating frequency (S350 to S410) of compressor 191.
If receiving the order that shuts down, control unit 110 makes operating stop (S430).
Air regulator operates while controlling power consumption without departing from set a reference value as a result, so can
It prevents connected power supply i.e. generator to be in overload condition, is continuously run so as to realize.
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 (15)
1. a kind of air regulator characterized by comprising
Power supply unit is connected with generator, carries out rectification and smoothing processing after receiving supplied generator power supply to supply directly
Galvanic electricity source；
Voltage detection department, the voltage for the DC power supply to above-mentioned power supply unit are measured；
Detection unit carries out automatic identification to above-mentioned generator power supply according to the total harmonic distortion of above-mentioned generator power supply；
Driving portion, for controlling the driving of compressor；
Control unit identifies the operation mode of above-mentioned generator power supply, thus sets generator mode, is being set as above-mentioned
When generator mode, the operating frequency of above-mentioned compressor is controlled by above-mentioned driving portion, so that calculating based on above-mentioned voltage
Air regulator power consumption without departing from a reference value under above-mentioned generator mode,
Above-mentioned control unit is according to the signal of above-mentioned detection unit, above-mentioned operation mode is set as above-mentioned generator mould automatically
Formula, also, change according to above-mentioned power consumption the transport maximum frequency that above-mentioned compressor can operate, and to operate when does not surpass
The mode of above-mentioned transport maximum frequency is controlled out.
2. air regulator as described in claim 1, which is characterized in that
Above-mentioned control unit calculates the power consumption function of above-mentioned air regulator according to the above-mentioned voltage measured by above-mentioned voltage detection department
Rate, and the operating frequency of above-mentioned compressor is controlled to make calculated above-mentioned power consumption without departing from said reference value.
3. air regulator as described in claim 1, which is characterized in that
Above-mentioned control unit is calculated and above-mentioned voltage, the electric current measured by above-mentioned voltage detection department are multiplied with power factor
Above-mentioned power consumption.
4. air regulator as described in claim 1, which is characterized in that
When being set as above-mentioned generator mode, above-mentioned control unit is set according to the maximum power consumption of above-mentioned air regulator
Said reference value.
5. air regulator as claimed in claim 4, which is characterized in that
Above-mentioned control unit sets said reference value in the range of the 60 to 80% of the maximum power consumption of above-mentioned air regulator.
6. air regulator as described in claim 1, which is characterized in that
It further include the communication unit for receiving the data from remote controler, which is used to input and above-mentioned air regulator
Operating sets relevant above-mentioned data,
Above-mentioned control unit knows data corresponding with the generator mode key of above-mentioned remote controler by above-mentioned communication unit
Not, above-mentioned generator mode is set.
7. air regulator as described in claim 1, which is characterized in that
It further include the input unit for inputting operating setting,
Above-mentioned generator mode is set according to the key input of above-mentioned input unit.
8. air regulator as claimed in claim 2, which is characterized in that
When being set as above-mentioned generator mode, above-mentioned control unit, which is also set, is worth the second small a reference value than said reference,
If above-mentioned power consumption is above-mentioned second a reference value or more, the operating frequency of above-mentioned compressor is limited.
9. air regulator as claimed in claim 8, which is characterized in that
If calculated above-mentioned power consumption is less than above-mentioned second a reference value, the operating of above-mentioned control unit control above-mentioned compressor
Frequency is got higher,
If calculated above-mentioned power consumption is above-mentioned second a reference value more than and less than said reference value, above-mentioned control unit control
It is made as maintaining the operating frequency of above-mentioned compressor.
10. air regulator as claimed in claim 8, which is characterized in that
If calculated above-mentioned power consumption is said reference value, the operating frequency of above-mentioned control unit control above-mentioned compressor becomes
It is low.
11. air regulator as described in claim 1, which is characterized in that
Above-mentioned power supply unit includes:
Power input part, for receiving the input of a power supply in above-mentioned generator and industrial power,
Rectification part, for being rectified to the power supply inputted,
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.
12. a kind of control method of air regulator characterized by comprising
The waveform of the power supply inputted from generator is analyzed, detects inputted power supply according to total harmonic distortion as power generation
The step of electromechanical source；
Relevant to above-mentioned generator power supply signal is received, the step of to set generator mode；
The voltage of above-mentioned power supply is measured, the step of power consumption to calculate air regulator；
The operating frequency of compressor is controlled, so that above-mentioned power consumption is without departing from a reference value under above-mentioned generator mode
The step of；
State with above-mentioned power consumption without departing from said reference value is, it is specified that the step of more than time keeping on the go；
In the state that above-mentioned power consumption is without departing from said reference value, change the transport maximum frequency that above-mentioned compressor can operate
The step of rate；And
By when operating without departing from above-mentioned transport maximum frequency in a manner of controlled the step of.
13. the control method of air regulator as claimed in claim 12, which is characterized in that
Further include: above-mentioned power consumption is compared with said reference value, to control the operating frequency stage of above-mentioned compressor
The step of getting higher or be lower to property.
14. the control method of air regulator as claimed in claim 12, which is characterized in that further include:
If above-mentioned power consumption is less than and is set as being worth the second small a reference value than said reference, make the operating frequency of above-mentioned compressor
The step of rate is got higher；
If above-mentioned power consumption is above-mentioned second a reference value more than and less than said reference value, the operating of above-mentioned compressor is maintained
The step of frequency；
If above-mentioned power consumption is said reference value, the step of operating frequency of above-mentioned compressor is lower is controlled.
15. the control method of air regulator as claimed in claim 12, which is characterized in that
According to the data received from remote controler or input unit, to set above-mentioned generator mode.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140071733A KR101571721B1 (en) | 2014-06-12 | 2014-06-12 | Air-conditioner and method |
| KR10-2014-0071733 | 2014-06-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105299824A CN105299824A (en) | 2016-02-03 |
| CN105299824B true CN105299824B (en) | 2018-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510323985.6A Expired - Fee Related CN105299824B (en) | 2014-06-12 | 2015-06-12 | Air regulator and its control method |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR101571721B1 (en) |
| CN (1) | CN105299824B (en) |
| WO (1) | WO2015190892A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102111409B1 (en) * | 2017-12-18 | 2020-05-15 | 엘지전자 주식회사 | Air conditioner |
| KR101990143B1 (en) * | 2017-12-18 | 2019-06-18 | 엘지전자 주식회사 | Compressor controlling apparatus |
| 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 |
| CN112019018B (en) * | 2019-05-31 | 2022-02-11 | 广东美的制冷设备有限公司 | Operation control method, device, circuit, household appliance and computer storage medium |
| CN110553363B (en) * | 2019-09-03 | 2020-08-04 | 广东美的制冷设备有限公司 | Control method for air conditioner intermediate capacity, air conditioner and storage medium |
| 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 |
| CN114216216B (en) * | 2021-12-02 | 2023-08-22 | 青岛海尔空调器有限总公司 | Control method and device for air conditioner operation |
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| CN1140250A (en) * | 1995-06-13 | 1997-01-15 | 三洋电机株式会社 | Air conditioner with solar generator |
| KR20030039243A (en) * | 2001-11-12 | 2003-05-17 | 주식회사 엘지이아이 | power control method of air-conditioner |
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| CN102483275A (en) * | 2009-09-16 | 2012-05-30 | 大金工业株式会社 | refrigeration system for container |
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| JP3066294B2 (en) | 1995-08-02 | 2000-07-17 | 三洋電機株式会社 | Air conditioning system with commercial power supply function |
| JP2001304651A (en) * | 2000-04-18 | 2001-10-31 | Sanyo Electric Co Ltd | Air conditioner and its operation control method |
| KR101540661B1 (en) * | 2008-07-22 | 2015-07-31 | 엘지전자 주식회사 | Compressor and air conditioner comprising the compressor therein |
-
2014
- 2014-06-12 KR KR1020140071733A patent/KR101571721B1/en active IP Right Grant
-
2015
- 2015-06-12 WO PCT/KR2015/005976 patent/WO2015190892A1/en active Application Filing
- 2015-06-12 CN CN201510323985.6A patent/CN105299824B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1140250A (en) * | 1995-06-13 | 1997-01-15 | 三洋电机株式会社 | Air conditioner with solar generator |
| KR20030039243A (en) * | 2001-11-12 | 2003-05-17 | 주식회사 엘지이아이 | power control method of air-conditioner |
| CN102119277A (en) * | 2008-07-22 | 2011-07-06 | Lg电子株式会社 | Compressor and air-conditioner having the same |
| CN102483275A (en) * | 2009-09-16 | 2012-05-30 | 大金工业株式会社 | refrigeration system for container |
| CN103280827A (en) * | 2013-04-24 | 2013-09-04 | 广东志高空调有限公司 | Control system used for hybrid electric power room air conditioner, and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101571721B1 (en) | 2015-11-25 |
| CN105299824A (en) | 2016-02-03 |
| WO2015190892A1 (en) | 2015-12-17 |
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