KR101996867B1 - The intelligent controller for energy saving, constant temperature and humidity - Google Patents

Abstract

According to the present invention, an intelligent energy-saving constant temperature and humidity controller controls a room cooler, room heater, humidifier and blower, provided in a thermo-hygrostat, to regulate temperature and humidity set in an indoor space at all times, wherein the blower blows air cooled by the room cooler or heated by the room heater or moisture generated by the humidifier into the indoor space. The constant temperature and humidity controller comprises: a setting unit setting a frequency of alternate current power supplied to the blower of the thermo-hygrostat according to whether the room cooler, the room heater or the humidifier of the thermo-hygrostat is driven or stopped to save electric energy consumed by the thermo-hygrostat; a central processing module transmitting an alternate current power frequency transformation signal to an inverter, which supplies alternate current power to a driving motor of the blower to control the blower by the frequency of the alternate current power set by the setting unit according to whether the room cooler, the room heater or the humidifier is driven or stopped; a display unit displaying the temperature or humidity set in the thermo-hygrostat and displaying, in real-time, the current temperature and humidity values within the indoor space where the thermo-hygrostat is installed; and a power source unit supplying direct current power to the setting unit, the central processing unit and the display unit, wherein the central processing module transforms the frequency of the alternate current power, inputted into the driving motor of the blower, into the frequency of the alternate current power, set by the setting unit according to whether the room cooler, room heater or humidifier provided in the thermo-hygrostat is driven or stopped, thereby saving electric energy consumed by the thermo-hygrostat.

Description

The intelligent controller for energy saving, constant temperature and humidity

The present invention relates to an intelligent energy saving constant temperature and humidity controller, and more particularly, to an intelligent energy saving constant temperature and humidity controller that adjusts a driving frequency of a blower or an outdoor fan equipped in a thermo-hygrostat according to the operating state of the thermo-hygrostat, The controller monitors the AC voltage inputted to the refrigerator provided in the thermo-hygrostat in real time, and then interrupts the power supplied to the refrigerator when an abnormality occurs. At the same time, So that quick action according to the failure can be performed.

Generally, a device that keeps room temperature and room humidity constant is called a constant temperature and humidity device.

These thermo-hygrostats are installed in places where temperature and humidity must be maintained uniformly.

For example, the thermo-hygrostat is installed in a precision processing room, a laboratory room, a computer room, a museum, or the like where electronic equipment, precision machinery, various equipment, and the like are installed.

The thermo-hygrostat usually includes a heater, a cooler, and a humidifier for raising or lowering the temperature of the room air and adjusting the room humidity. In order to maintain the room air temperature or the room humidity at the set temperature and humidity, And a constant temperature and humidity controller that activates or stops the heater, the cooler, or the humidifier.

In addition, the thermo-hygrostat may further include a blower for blowing air heated by the heater, air cooled by the air conditioner, and moisture generated from the humidifier into the indoor space through a duct, wherein the air conditioner includes an air conditioner outdoor unit and a freezer .

In the conventional constant temperature and humidity controller, the blower, the air conditioner outdoor fan, and the freezer are operated to adjust the temperature and humidity of the indoor space to the set temperature and humidity.

However, the existing constant temperature and humidity controller not only controls the blower or the outdoor fan motor of the air conditioner at a fixed frequency, but also consumes a large amount of electric energy because the driving voltage of the refrigerator is used as the voltage supplied from KEPCO.

In addition, the conventional thermo-hygrostat has a problem in that the communication facilities for notifying the manager of the malfunction or error of the freezer occurring when the power inputted to the refrigerator is reversed or fainted is insufficient and the repair cost of the thermo-hygrostat may be excessively generated there was.

On the other hand, in the prior art of the present invention, "outdoor fan speed control system of the air conditioner" of the patent registration number "10-0781881" was filed and registered, and the outdoor fan speed control system of the air conditioner includes a compressor and a condenser expansion A pressure sensor for detecting an internal pressure of the refrigerant pipe provided between the compressor and the condenser; and a pressure sensor for detecting an internal pressure of the refrigerant pipe between the compressor and the condenser, An inverter for calculating an operation frequency and outputting control power according to the calculated operation voltage and operation frequency, a fan motor driven by control power output from the inverter, an outdoor fan rotated by driving the fan motor, An inverter run control signal " or " inverter stop control signal " And a microcomputer for controlling the operation of the inverter by outputting an output signal of the microcomputer, wherein the inverter is provided with a pressure setting unit for setting an operating pressure range including a lower limit pressure and an upper limit pressure, When receiving the pressure between the set lower limit pressure and the upper limit pressure from the inverter, the 'inverter run control signal' is output. In the case of receiving pressure from the inverter that is between the lower limit pressure and the upper limit pressure, do.

Korea Patent Registration No. 10-0781881 (2007.12.05) Korea Patent Registration No. 10-1578532 (Dec. 17, 2015) Korea Patent Registration No. 10-1727561 (2017.05.02)

In order to solve the above problems, the present invention is to reduce the electric energy consumed in the thermo-hygrostat by adjusting the driving frequency of the motor for driving the fan or the fan of the outdoor air- The present invention provides an intelligent energy saving constant temperature and humidity controller that can be used in the present invention.

It is another object of the present invention to provide an intelligent energy saving constant temperature and humidity controller capable of reducing electric energy consumed in a thermo-hygrostat by adjusting an input voltage of a refrigerator equipped in a cooler.

Still another object of the present invention is to provide an intelligent energy saving constant temperature and humidity controller capable of preventing a failure of the thermo-hygrostat by promptly transmitting an error message to a manager when the voltage input to the refrigerator is in a reverse phase or in phase.

In order to achieve the above object, the intelligent energy saving constant temperature and humidity controller according to the present invention is characterized in that it comprises a cooling unit, a radiator, a humidifier, and a cooling unit provided in a thermo-hygrostat to maintain the indoor space constantly at a predetermined temperature and humidity. And a blower for blowing the air generated by the air heater or the air heated by the heater or the moisture generated by the humidifier into the indoor space, wherein the constant temperature and humidity controller includes a constant temperature and humidity controller, A setting unit for setting the frequency of the AC power supplied to the blower of the thermo-hygrostat according to whether the air conditioner, the radiator, or the humidifier is driven or stopped; The AC power supply frequency conversion signal is transmitted to the inverter that supplies the AC power to the driving motor of the blower in order to control the blower to the frequency of the AC power set by the setting unit according to whether the cooler, the heater, or the humidifier is driven or stopped A central processing module; A display unit for displaying temperature and humidity set in the thermo-hygrostat and displaying a current temperature value and a humidity value of the indoor space provided with the thermo-hygrostat in real time; And a power supply unit for supplying the DC power to the display unit, the setting unit, the central processing module, and the power supply unit for supplying the DC power to the display unit, wherein the central processing module is connected to the driving motor of the blower in response to whether the air conditioner, To the frequency of the AC power set by the setting unit, thereby saving the electric energy consumed in the thermo-hygrostat.

The intelligent energy saving constant temperature and humidity controller according to the present invention having such a configuration can adjust the driving frequency of a motor for driving a blower or an air conditioner outdoor fan in the thermo-hygrostat according to the current driving state of the thermo-hygrostat, Thereby saving electric energy.

In addition, the present invention can reduce the electric energy consumed in the thermo-hygrostat by adjusting the input voltage of the refrigerator provided in the cooler.

In addition, the present invention can prevent a failure of the thermo-hygrostat by promptly transmitting an error message to a supervisor when the voltage inputted to the refrigerator is in a reverse phase or in an imaging state.

The effects of the present invention can be summarized once again by changing the driving frequency of the blower or outdoor fan installed in the thermo-hygrostat and consuming a large amount of electric energy according to the respective driving conditions of the thermo-hygrostat, By keeping the input voltage constant at all times, electric energy can be saved and the service life of the freezer can be extended.

In addition, according to the present invention, when a fault occurs in the thermo-hygrostat, and the fault alarm number is exceeded the number of times of the fault alarm when the fault alarm character is transmitted to the manager, the transmission of the character can be prevented.

In addition, the present invention can detect the abnormality with respect to the driving voltage of the refrigerator equipped in the thermo-hygrostat, and can quickly repair the fault in the event of an abnormality, thereby securing the reliability by maintaining the function of the thermo-hygrostat.

1 is a control block diagram of a first embodiment of the present invention;
2 is a control block diagram of a second embodiment of the present invention,
3 is a control block diagram of a third embodiment of the present invention.
4 is a control block diagram of the alarm signal transmission module,
5 is a control block diagram of the power supply unit,
6 is a control circuit diagram of the power factor improving circuit.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 1, the intelligent energy-saving constant temperature and humidity controller (A) according to the present invention includes a radiator, a heater, a humidifier, and a controller, which are provided in a thermo-hygrostat to constantly maintain an indoor space at a predetermined temperature and humidity. A constant temperature and humidity controller (A) for controlling air blown by air cooled by the air conditioner, air heated by the air conditioner, or moisture generated by the humidifier into an indoor space, wherein the constant temperature and humidity controller (A) A setting unit 1 for setting the frequency of the AC power supplied to the blower of the thermo-hygrostat according to whether the air conditioner, the heater or the humidifier of the thermo-hygrostat is driven or stopped to reduce electric energy consumed by the air conditioner, (1) according to whether the heater or the humidifier is driven or stopped. A central processing module (2) for transmitting an AC power source frequency conversion signal to an inverter that supplies AC power to the drive motor of the blower to control the frequency of the set AC power, a temperature and humidity set in the thermo-hygrostat A display unit 3 for displaying the current temperature value and the humidity value of the indoor space provided with the humidity sensor in real time and a power supply unit 3 for supplying the DC power to the setting unit 1, the central processing module 2, and the display unit 3, (8), and the frequency of the AC power input to the driving motor of the blower is set to the setting unit (1) according to whether the central processing module (2) drives or stops the air conditioner, the heater or the humidifier provided in the thermo-hygrostat To the frequency of the alternating current power set by the controller, thereby saving the electric energy consumed in the thermo-hygrostat.

The AC power frequency conversion signal transmitted from the central processing module 2 to the inverter uses a current of 4 mA to 20 mA or a voltage of 1 V to 5 V or a voltage of 2 V to 10 V.

The inverter converts the current signal or the voltage signal input from the central processing module 2 into a frequency proportional to the current signal or the voltage signal and generates an AC power having the converted frequency to operate the driving motor of the blower .

When the air conditioner provided in the thermo-hygrostat is solely driven, the central processing module (2) transmits an AC power frequency conversion signal to the inverter for supplying the AC power to the driving motor of the blower so that the AC power frequency is 58 Hz to 62 Hz Thereby saving electric energy supplied to the blower.

When the heater provided in the thermo-hygrostat is solely driven, the central processing module 2 controls the inverter to supply the AC power to the driving motor of the blower so that the AC power source frequency is 53 Hz to 57 Hz. .

When the humidifier provided in the thermo-hygrostat is solely driven, the central processing module 2 controls the inverter to supply the AC power to the driving motor of the blower so that the AC power source frequency is changed from 48 Hz to 52 Hz. .

In addition, the central processing module (2) controls the inverter to supply the AC power to the driving motor of the blower when the thermo-hygrostat is driven, and when the air conditioner, the cooler and the humidifier installed in the thermo-hygrostat are all stopped, And the AC power source frequency conversion signal is transmitted so as to be 47 Hz.

In the case where two or more of the radiators, the radiators, and the humidifiers equipped in the thermo-hygrostat are simultaneously driven, the setting unit 1 sets the highest one of the AC power frequencies inputted to the blowers set in the two or more apparatuses, Is set to be driven.

For example, when the cooler is solely driven, the frequency of the AC power supplied to the blower is 60 Hz, and when the heater is driven alone, when the frequency of the AC power supplied to the blower is 55 Hz, The frequency of the AC power supplied to the blower is set to 60 Hz.

The setting unit 1 sets the alternating current power source 20% lower than the alternating current power source frequency set to the current blower at predetermined time intervals during the operation of the blower to be supplied to the driving motor of the blower for a predetermined time, The heating efficiency of the radiator and the cooling efficiency of the radiator can be improved by heating the radiator of the radiator or the evaporator of the radiator for a predetermined period of time.

For example, when the current heater is in operation and the alternating current source frequency inputted to the driving motor of the heater is 55Hz, 55Hz AC power is supplied to the driving motor of the heater for 1 minute and 20% By repeating the supply of low 44Hz AC power, it is possible to save the electric energy by driving the blower with the AC power of lower frequency for 20 seconds and to increase the heat efficiency of the radiator by heating the heat of the radiator for 20 seconds .

As shown in FIG. 2, the constant temperature and humidity controller (A) receives a sensed value of an internal pressure of a refrigerant pipe installed in a refrigerator when a refrigerator equipped in a thermo-hygrostat is driven and a refrigerator equipped in the refrigerant is driven A first A / D conversion unit 5 for converting a sensed value of the internal pressure of the refrigerant pipe received from the refrigerant pressure sensing value input unit 4 into digital data, .

The setting unit (1) further includes a refrigerant pipe pressure reference value setting unit (11) for setting a reference value for the internal pressure of the refrigerant pipe.

As shown in FIG. 2, the central processing module 2 converts the sensed value of the internal pressure of the refrigerant pipe converted into the digital value by the first A / D converter 5 into the internal pressure value of the refrigerant pipe And a control signal for increasing the AC power frequency to an inverter for supplying an AC power to the outdoor fan drive motor of the cooler, An outdoor fan frequency reduction module (23) for transmitting a control signal for reducing an AC power frequency to an inverter for supplying an AC power to an outdoor fan drive motor of the air conditioner, The reference value and the measured value of the internal pressure of the freezing pipe are compared with each other at intervals to increase the internal pressure of the freezing pipe when the measured value is smaller than the reference value When the measured value is greater than the reference value, the outdoor fan frequency decreasing module 22 increases the frequency of the AC power input to the outdoor fan drive motor, And a refrigerant pipe pressure comparing and frequency converting unit 24 for reducing the frequency of the AC power input to the outdoor fan driving motor by using the outdoor heat exchanger 23.

If the internal pressure of the refrigerant pipe is maintained at 18.5 kG by adjusting the frequency of the AC power input to the outdoor fan drive motor, the power consumption of the refrigerator can be reduced by 15%.

3, the constant temperature and humidity controller A includes a voltage sensing value input unit 6 receiving a voltage sensing value input from a transformer for meters to a refrigerator equipped in a cooler, a voltage sensing value input unit 6 And a second A / D converter 7 for converting a voltage sensing value input from the refrigerator into digital data.

As shown in FIG. 3, the setting unit 1 further includes a refrigerator supply voltage setting unit 12 for setting a reference voltage input to the refrigerator when the cooler is driven.

3, the central processing module 2 includes a voltage conversion unit 25 for converting the digital data input from the second A / D conversion unit 7 into a refrigerator input voltage, A reverse phase determiner 26 for analyzing a refrigerator input voltage converted by the inverter 25 and determining whether the voltage input to the refrigerator is a reverse phase, a controller 26 for analyzing the refrigerator input voltage converted by the voltage converter 25, A phase determination unit 27 for determining whether a voltage input to the refrigerator has been imaged, and a phase determination unit 27 for determining whether the voltage input to the refrigerator by the reverse phase determination unit 26 and the phase determination unit 27 is reversed, An alarm signal transmission module (28) for transmitting an alarm control signal to cause the character transmission device to transmit an equipment abnormality alarm text message to an administrator, and an alarm signal transmission module A control for lowering the output voltage to an AVR (Automatic Voltage Regulator) for supplying a voltage to the refrigerator when the average voltage of the refrigerator input voltage is greater than a reference voltage set in the refrigerator supply voltage setting unit 12; When the average voltage of the refrigerator input voltage received from the voltage converting unit 25 for a predetermined time is less than the reference voltage set in the refrigerator supply voltage setting unit 12, And a refrigerator supply voltage comparator 29 for transmitting a control signal for increasing the output voltage to an automatic voltage regulator (AVR).

The refrigerator is a device consuming a large amount of electric power, so that the voltage supplied to the refrigerator is kept constant, thereby increasing the service life of the refrigerator and reducing the electric energy consumed in the refrigerator.

로 동작된다.Generally, the refrigerator used in the thermo-hygrostat is a three-phase AC power source

.

However, the conventional power supply method has a problem that the voltage fluctuation of the three-phase AC power source is large and the refrigerator can not cope with it, and the electric energy consumption is large.

의 전압이 입력되도록 자동 전압 조정기(AVR)를 제어한다.In order to prevent this and to reduce the power consumption of the refrigerator, the refrigerator supply voltage comparison unit

(AVR) is controlled so that the voltage of the battery is input.

The setting unit 1 further includes an alarm control signal reference number setting unit 13 for setting the number of times the alarm control signal is transmitted to the character transmission device when the voltage input to the refrigerator is in a reverse phase or in an image.

As shown in FIG. 4, the alarm signal transmission module 28 includes an alarm control signal counter 281 for counting the number of times the alarm control signal is transmitted to the character transmission device in real time, An alarm control signal comparing unit 281 for continuously transmitting an alarm control signal to the character transmission apparatus while the alarm control signal counted by the alarm control signal reference number setting unit 281 is smaller than the alarm control signal transmission number set in the alarm control signal reference number setting unit 13. [ (282).

As shown in FIG. 5, the power supply unit 8 includes an AC power input unit 81 for receiving commercial AC power; An EMI (Electro Magnetic Interference) filter unit 82 for attenuating a noise component included in the commercial AC power input through the AC power input unit 81; An input side rectifying unit 83 for reducing the AC voltage input through the EMI filter unit 82 to a predetermined ratio and then converting the AC voltage into a DC power; A power factor improving circuit part (84) for improving the power factor of the DC power inputted through the input side rectifier part (83); And a DC voltage reducing unit 85 for reducing the voltage of the DC power supply whose power factor is improved by the power factor improving circuit unit 84 and supplying the voltage to the setting unit 1, the central processing module 2 and the display 3 .

6, the power factor correction circuit portion 84 includes an inductor 841 having one end connected to the output end of the input side rectifying portion 83 and an anode terminal connected to the other end of the inductor 841 An input terminal is connected to the other end of the inductor 841 and an output terminal is grounded and an input / output terminal is turned on according to a digital control signal of the central processing module 2, A power factor improving switch 843 that is turned off and turned off and a power factor improving switch 843 whose one electrode is connected to the cathode terminal of the reflux diode 842 and the other electrode is grounded and is output from the reflux diode 842 And a smoothing capacitor 844 for smoothing the voltage.

When the power factor improving circuit 843 is turned on, the power factor improving circuit part 84 interrupts the current flowing through the reflux diode 842, and the current flows through the inductor 841 and the turn- The current of the inductor 841 increases while flowing through the power factor improving switch 843 and when the power factor improving switch 843 is turned off, the current flows through the direct current voltage reducing unit 85 of the inductor 841 and the polarity of the voltage across the inductor 841 is changed and the current of the inductor 841 is reduced, the on / off cycle of the power factor improving switch 843 is adjusted The power factor of the input power source is adjusted by adjusting the phase of the input current and the phase of the input voltage.

The intelligent energy saving constant temperature and humidity controller (A) according to the present invention having such a configuration according to the present invention adjusts the driving frequency of a motor for driving a blower or an air conditioner outdoor fan in the thermo-hygrostat according to the current driving state of the thermo-hygrostat, It is possible to save the electric energy consumed by the humidity sensor.

In addition, the present invention can reduce the electric energy consumed in the thermo-hygrostat by adjusting the input voltage of the refrigerator provided in the cooler.

In addition, the present invention can prevent a failure of the thermo-hygrostat by promptly transmitting an error message to a supervisor when the voltage inputted to the refrigerator is in a reverse phase or in an imaging state.

The effects of the present invention will be summarized as follows. The driving frequency of the blower or the outdoor fan, which is mounted on the thermo-hygrostat and consumes a lot of electric energy, fluctuates according to each driving condition of the thermo-hygrostat, By keeping the input voltage of the refrigerator constant at all times, electric energy can be saved and the service life of the refrigerator can be extended.

In addition, according to the present invention, when a fault occurs in the thermo-hygrostat, and the fault alarm number is exceeded the number of times of the fault alarm when the fault alarm character is transmitted to the manager, the transmission of the character can be prevented.

In addition, the present invention can detect the abnormality with respect to the driving voltage of the refrigerator equipped in the thermo-hygrostat, and can quickly repair the fault in the event of an abnormality, thereby securing the reliability by maintaining the function of the thermo-hygrostat.

A. Constant temperature and humidity controller 1. Setting section
11. Refrigerant pressure reference value setting unit 12. Refrigerator supply voltage setting unit
13. Alarm control signal reference frequency setting part 2. Central processing module
21. Refrigeration pipe pressure conversion part 22. Outdoor fan frequency increase module
23. outdoor fan frequency reduction module
24. Refrigeration piping pressure comparison and frequency conversion unit
25. Voltage conversion unit 26. Reverse phase determination unit
27. Fault determination part 28. Alarm signal transmission module
281. Alarm control signal counter unit 282. Alarm control signal comparison unit
29. Refrigerator supply voltage comparison unit 3. Display unit
4. Refrigerant pressure sensing value input unit 5. A / D conversion unit
6. Voltage sensing value input section 7. Second A / D conversion section
8. Power supply unit 81. AC power supply unit
82. EMI filter section 83. Input side rectifying section
84. Power factor improvement circuit section 841. Inductor
842. Reflux diode 843. Power factor improvement switch
844. Smoothing capacitor 85. DC voltage decompression unit

Claims (7)

In order to maintain the indoor space at a constant temperature and humidity constantly, it is necessary to use the air conditioner, the heater, the humidifier, and the air cooled by the air conditioner or the air heated by the heater or the moisture generated from the humidifier A constant temperature and humidity controller (A) for controlling an air blower blowing into an indoor space,
In order to reduce electric energy consumed by the thermo-hygrostat, the thermo-hygrostat controller A sets the frequency of the AC power supplied to the blower of the thermo-hygrostat according to whether the thermo-hygrostat is driven or stopped A setting unit (1);
The AC power supply to the inverter for supplying the AC power to the drive motor of the blower to control the blower to the frequency of the AC power set by the setting unit 1 according to whether the cooler, the heater or the humidifier is driven or stopped, A central processing module (2) for transmitting the data;
A display unit (3) for displaying temperature and humidity set in the thermo-hygrostat and displaying a current temperature value and a humidity value of the indoor space provided with the thermo-hygrostat in real time;
And a power supply unit 8 for supplying DC power to the setting unit 1, the central processing module 2, and the display unit 3,
The frequency of the AC power input to the driving motor of the blower is controlled by the frequency of the AC power set by the setting unit 1 according to whether the central processing module 2 drives or stops the air conditioner, the heater or the humidifier provided in the thermo-hygrostat Thereby saving electric energy consumed in the thermo-hygrostat,
When the air conditioner provided in the thermo-hygrostat is solely driven, the central processing module (2) transmits an AC power frequency conversion signal to the inverter for supplying the AC power to the driving motor of the blower so that the AC power frequency is 58 Hz to 62 Hz and,
When the radiator provided in the thermo-hygrostat is solely driven, the central processing module (2) transmits an AC power frequency conversion signal to the inverter that supplies the AC power to the driving motor of the blower so that the AC power frequency is 53 Hz to 57 Hz In addition,
When the humidifier provided in the thermo-hygrostat is solely driven, the central processing module 2 transmits an AC power frequency conversion signal to the inverter for supplying the AC power to the driving motor of the blower so that the AC power frequency is 48 Hz to 52 Hz. and,
The central processing module 2 is connected to the inverter for supplying the AC power to the driving motor of the blower when the thermo-hygrostat is driven, and when the air conditioner, the air conditioner and the humidifier installed in the thermo-hygrostat are all stopped, the AC power frequency is 43 Hz to 47 Hz To transmit the AC power source frequency conversion signal so that,
The constant temperature and humidity controller (A) includes a voltage sensing value input unit (6) for receiving a voltage sensing value input from a transformer for a meter to a refrigerator equipped in a cooler;
A second A / D converter 7 for converting the voltage sensing value input from the voltage sensing value input unit 6 to the refrigerator into a digital data format,
The setting unit (1) further includes a refrigerator supply voltage setting unit (12) for setting a reference voltage input to the refrigerator when the refrigerator is driven,
The central processing module 2 includes a voltage conversion unit 25 for converting the digital data input from the second A / D conversion unit 7 into a refrigerator input voltage;
A reverse phase determination unit (26) for analyzing the refrigerator input voltage converted by the voltage conversion unit (25) and determining whether the voltage input to the refrigerator is a reverse phase;
An image determining unit (27) for analyzing a refrigerator input voltage converted by the voltage converting unit (25) and determining whether a voltage inputted to the refrigerator has been imaged;
When it is determined by the reversed phase determination unit 26 and the imaging determination unit 27 that the voltage input to the freezer is a reverse phase or an image has been formed, an alarm control signal is transmitted to the character transmission apparatus, An alarm signal transmission module (28) for transmitting a text message;
And an automatic voltage regulator (AVR) for supplying a voltage to the refrigerator when an average voltage of the refrigerator input voltage received from the voltage converter 25 for a predetermined time is greater than a reference voltage set in the refrigerator supply voltage setting unit 12, The control unit 20 transmits a control signal for lowering the output voltage to the automatic voltage regulator, while an average voltage for the refrigerator input voltage transmitted from the voltage conversion unit 25 for a predetermined time is set in the refrigerator supply voltage setting unit 12 And a refrigerator supply voltage comparing unit (29) for transmitting a control signal for increasing an output voltage to an automatic voltage regulator (AVR) for supplying a voltage to the refrigerator when the voltage is lower than a reference voltage,
The setting unit (1) further includes an alarm control signal reference number setting unit (13) for setting the number of times the alarm control signal is transmitted to the character transmission device when the voltage inputted to the refrigerator is in a reverse phase or in an image,
The alarm signal transmission module 28 includes an alarm control signal counter unit 281 for counting the number of times the alarm control signal is transmitted to the character transmission device in real time;
The alarm control signal is continuously transmitted to the character transmission apparatus while the alarm control signal counted by the alarm control signal counter unit 281 is smaller than the alarm control signal transmission count set in the alarm control signal reference number setting unit 13 And an alarm control signal comparator (282)
The power supply unit 8 includes an AC power input unit 81 receiving commercial AC power;
An EMI (Electro Magnetic Interference) filter unit 82 for attenuating a noise component included in the commercial AC power input through the AC power input unit 81;
An input side rectifying unit 83 for reducing the AC voltage input through the EMI filter unit 82 to a predetermined ratio and then converting the AC voltage into a DC power;
A power factor improving circuit part (84) for improving the power factor of the DC power inputted through the input side rectifier part (83); And
And a DC voltage decompression unit 85 for reducing the voltage of the DC power supply whose power factor is improved by the power factor improving circuit unit 84 and supplying the reduced voltage to the setting unit 1, the central processing module 2 and the display 3 and,
The power factor correction circuit part 84 includes an inductor 841 whose one end is connected to the output terminal of the input side rectifying part 83 and a reflux diode 842 whose anode terminal is connected to the other end of the inductor 841, The input terminal is connected to the other end of the inductor 841 and the output terminal is grounded and the input / output terminal is turned on or turned on or off according to the digital control signal of the central processing module 2, And a smoothing capacitor 844 for smoothing the voltage output from the reflux diode 842 by connecting one electrode to the cathode terminal of the reflux diode 842 and the other electrode to the ground, And a controller for controlling the temperature and humidity of the engine.
delete The method according to claim 1,
In the case where two or more of the radiators, the radiators, and the humidifiers equipped in the thermo-hygrostat are simultaneously driven, the setting unit 1 sets the highest one of the AC power frequencies inputted to the blowers set in the two or more apparatuses, Is set to be driven.
The method according to claim 1,
The setting unit 1 sets the alternating current power source 20% lower than the alternating current power source frequency set to the current blower at predetermined time intervals during the operation of the blower to be supplied to the driving motor of the blower for a predetermined time, And the evaporator of the radiator or the radiator of the radiator is allowed to reserve the heat or the cool air for a predetermined period of time, thereby improving the heating efficiency of the radiator or the cooling efficiency of the radiator.
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