KR20170051049A - Heating Glass control system and Control method thereof - Google Patents

Abstract

Disclosed herein is a heating glass control system and method for controlling at least one heating glass installed in a place, receiving a target temperature and a control power amount of a predetermined place to be controlled from an external control device. The heating glass control system includes a temperature sensing unit for sensing the temperature of the heating glass; A storage unit for storing a control period, a resistance value, and a magnitude of the heating glass; A voltage output control unit for supplying power to the heat generating glass; A control period of the heating glass, a control period of the heating glass, a resistance value, a size of the heating glass, the target temperature and a control power amount, and supplies the power to the heating glass during the control time. As shown in FIG. In the embodiment of the present invention, the heating glass can be controlled with a small power and different heating energy is supplied to a plurality of heating glasses to control the temperature to control the heating temperature of the plurality of heating glasses having various sizes and loads .

Description

[0001] Heating Glass Control System and Control Method [

The present invention relates to a heating glass control system and a method thereof, and more particularly, to a heating glass control system and method for preventing condensation occurring in a window due to a difference in indoor / outdoor temperature, will be.

A window is a window that is installed in an opening such as a window or an entrance to block the inside of the building from the outside, and is mostly composed of a glass and a frame surrounding the window. In particular, the function of a window installed in the opening of the outer wall is to protect the room in response to an external weather change, and it also serves to block external noise and internal light.

Since the glass of a window has a relatively low adiabatic performance compared to a wall, the temperature of the glass surface of the window is generally lower than that of the room and the wall. In this case, when the relative humidity of the room is 50%, the glass surface temperature of the window is lower than the room temperature by about 10 ° C or the indoor relative humidity is 70%, if the glass surface temperature of the window is lower than the room temperature by about 5 ° C or more Condensation occurs on the glass surface.

Condensation itself is a problem, but the heating effect of the room is lowered due to the heat escaping through the glass. As the windows including the living room glass are getting bigger, there is often a need for additional measures for keeping warm in the indoor space where there are children or elderly people.

In order to prevent the heating effect and condensation from occurring, a heating glass is developed that coats the entire surface of the glass with a heating film having electrical conductivity to flow current to the heating film, thereby heating the glass surface to complement the heat insulating property of the glass.

In a system employing such a heat-generating glass, the temperature of the heat-generating glass is maintained at a predetermined temperature or more to prevent the formation of condensation in the weather where the outdoor temperature is lowered.

However, there is a problem that a large amount of electric power is consumed in order to maintain a constant temperature by supplying electric power to the heat-generating glass.

In addition, in order to control the heating temperature of a plurality of heating glasses having various sizes and loads, it is not possible to control the temperature by supplying different heating energy to a plurality of heating glasses. Therefore, a separate power control device The installation cost is increased and the maintenance is not easy.

Korean Patent Registration No. 1082722 (Registered on November 4, 2011. Title: Heat generation control device of heat glass

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a heating glass control system and method for controlling a heating glass with less electric power.

Another object of the present invention is to provide a heating glass control system and method for controlling a temperature by supplying different heating energy to a plurality of heating glasses in order to control a heating temperature of a plurality of heating glasses having various sizes and loads .

Another object of the present invention is to provide a heating glass control system and method which can be controlled by a single power source control device for a plurality of heating glass, thereby reducing installation cost and facilitating maintenance.

According to an aspect of the present invention,

A heating glass control system for receiving at least one target temperature and a control power amount of a predetermined place to be controlled from an external control device and controlling at least one heating glass installed in the place,

A temperature sensing unit for sensing a temperature of the heat generating glass;

A storage unit for storing a control period, a resistance value, and a magnitude of the heating glass;

A voltage output control unit (211) for supplying power to the heat generating glass;

A control period of the heating glass, a control period of the heating glass, a resistance value, a size of the heating glass, the target temperature and a control power amount, and supplies the power to the heating glass during the control time. As shown in FIG.

And a zero crossing detection unit for detecting a zero point of a sinusoidal signal, wherein the control unit uses a zero point of the sinusoidal signal detected by the zero crossing detection unit to detect a zero point of a sinusoidal signal supplied to the heating glass And supplies the sinusoidal signal to the heat generating glass so that the supply of the sinusoidal signal is terminated when the current becomes zero.

A current sensing unit for measuring a current of an external power source supplied to the voltage output control unit;

A voltage sensing unit for measuring a voltage of an external power source supplied to the voltage output control unit;

And a power cutoff unit for cutting off the external power supplied to the voltage output control unit,

When the controller determines that overheating or overcurrent has occurred from the output signals of the current sensing unit and the voltage sensing unit, the control unit stops the power supply by driving the power cutoff unit.

The temperature and humidity of the room are measured using an indoor temperature and humidity sensor to prevent condensation from being generated in the heating glass. The controller detects the temperature of the heating glass in which condensation does not occur based on the measured humidity and temperature, And a sine wave signal is supplied to the heat generating glass so as to be controlled to a temperature at which no condensation occurs.

According to another aspect of the present invention, there is provided a heating glass control system including:

1. A heating glass control system for controlling at least one heating glass installed at a predetermined place,

An operation unit for receiving a target temperature and a control power amount of the place to be controlled by the user;

A temperature sensing unit for sensing a temperature of the heat generating glass;

A storage unit for storing a control period, a resistance value, and a magnitude of the heating glass;

A voltage output control unit for supplying power to the heat generating glass;

A control period of the heating glass, a control period of the heating glass, a resistance value and a size of the heating glass, the target temperature and the control power amount, and controls the voltage output control unit to supply power to the heating glass during the control time And a control unit.

And a zero crossing detection unit for detecting a zero point of a sinusoidal signal, wherein the control unit uses a zero point of the sinusoidal signal detected by the zero crossing detection unit to detect a zero point of a sinusoidal signal supplied to the heating glass And supplies the sinusoidal signal to the heat generating glass so that the supply of the sinusoidal signal is terminated when the current becomes zero.

A current sensing unit for measuring a current of an external power source supplied to the voltage output control unit;

A voltage sensing unit for measuring a voltage of an external power source supplied to the voltage output control unit;

And a power cutoff unit for cutting off the external power supplied to the voltage output control unit,

When the controller determines that overheating or overcurrent has occurred from the output signals of the current sensing unit and the voltage sensing unit, the control unit stops the power supply by driving the power cutoff unit.

According to an aspect of the present invention, there is provided a method of controlling a heating glass,

And a control unit for controlling at least one of the at least one heat generating glass and the at least one heat generating glass installed in the place, The method comprising the steps of:

The control unit receiving the target temperature and the control power amount;

The control unit receiving a current temperature of the heat-generating glass;

Determining whether the current temperature is lower than the target temperature;

Wherein the control unit calculates the control time of the heat generating glass by using the control period, the resistance value and the size of the heat generating glass, the target temperature and the control power amount when the present temperature is lower than the target temperature, And controlling the voltage output control unit to supply power to the heat generating glass.

Wherein the step of controlling the voltage output control unit comprises:

Calculating a control time for each heating glass;

The control unit generating an interrupt;

Calculating a control cycle by multiplying the control period by a control period and 2 by the control unit;

The control unit accumulating the control cycles and determining whether the accumulated value is equal to or greater than a predetermined reference cycle;

Determining whether a cycle flag is set if the accumulated value is equal to or greater than the reference cycle;

If the cycle flag is set, the control unit performs a positive cycle to output one positive sine wave pulse;

The control unit resets the cycle flag, and repeats the step of generating the interrupt.

The method comprises:

If the cycle flag is not set, the control unit performs a negative cycle to output one negative sinusoidal pulse;

The control unit sets the cycle flag, and repeats the step from the step of generating the interrupt.

The method comprises:

If the accumulated value is not equal to or greater than the reference cycle, repeating the step of generating the interrupt from the step of generating the interrupt.

In an embodiment of the present invention, a heating glass control system and method for controlling a heating glass with a small power can be provided.

Also, in an embodiment of the present invention, there is provided a heating glass control system and method for controlling a temperature by supplying different heating energy to a plurality of heating glasses to control a heating temperature of a plurality of heating glasses having various sizes and loads .

In addition, in the embodiment of the present invention, it is possible to provide a heating glass control system and method which can be controlled by a single power source control device for a plurality of heat-generating glass, thereby reducing installation cost and facilitating maintenance.

Also, in the embodiment of the present invention, it is possible to provide a heating glass control system and method which can smoothly control the heating glass even if the network is disconnected during remote control with the outside.

FIG. 1 is a view illustrating a concept of applying a heating glass control system according to an embodiment of the present invention to a specific place.
2 is a configuration diagram of a heating glass control system according to an embodiment of the present invention.
3 is a flowchart illustrating a method of controlling a heating glass according to an embodiment of the present invention.
FIG. 4 is a view showing a waveform applied to a heat-generating glass in a heat-generating glass control system according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

Throughout the specification, when an element is referred to as "comprising ", it means that it can include other elements as well, without excluding other elements unless specifically stated otherwise.

FIG. 1 is a view showing a concept of applying a heating glass control system according to an embodiment of the present invention to a specific place, and FIG. 2 is a configuration diagram of a heating glass control system according to an embodiment of the present invention.

1 or 2, a heating glass control system according to an embodiment of the present invention includes:

A temperature sensing unit (209), a storage unit (208), and a temperature control unit (209), wherein the temperature sensing unit (209), the storage unit (208) A voltage output control unit 211, a control unit 208, a current sensing unit 205, a voltage sensing unit 204, a power cutoff unit 203, a zero crossing detection unit 206, and a power supply unit 202.

The power supply unit 202 converts the input AC power to DCm and supplies the DC power to each part.

The temperature sensing unit 209 senses the temperature of the heat-generating glass, and may be implemented as a temperature sensor, and a temperature sensor may be attached to each heat-generating glass.

The storage unit 208 stores the control period, the resistance value, and the size of the heat-generating glass, and may store additional information.

The voltage output controller 211 supplies power to each of the heat generating glasses.

The current sensing unit 205 measures the current of the external power supply supplied to the voltage output control unit 211.

The voltage detection unit 204 measures the voltage of the external power source supplied to the voltage output control unit 211.

The power cutoff unit 203 cuts off the external power supplied to the voltage output control unit 211 under the control of the control unit 208. [

The zero crossing detection unit 206 detects a zero point in a sine wave signal of the external power source.

The control unit 208 calculates the control time of the heating glass using the control period, the resistance value and the size of the heating glass, the target temperature and the control power amount, and supplies the control voltage to the heating glass And controls the output control unit 211.

When the controller 208 determines that overheating or overcurrent has occurred from the output signals of the current sensing unit 205 and the voltage sensing unit 204, the control unit 208 drives the power cutoff unit 2030 to stop the power supply.

The control unit 208 supplies the sine wave signal to the heat generating glass at a time point when the current of the sine wave signal supplied to the heat generating glass becomes zero using the zero point of the sine wave signal detected by the zero crossing detecting unit 206 So that the supply of the sinusoidal signal is terminated at the time when the current becomes zero.

In order to prevent condensation from being generated in the heat-generating glass, if necessary, the indoor temperature and humidity are measured using an indoor temperature and humidity sensor 210. The controller 208 controls the temperature and humidity of the indoor space based on the measured humidity and temperature And a sinusoidal signal is supplied to the heat generating glass so as to be controlled to a temperature at which condensation does not occur.

The installer inputs the heat resistance glass resistance value, the control period, the input voltage, and the like through the installer terminal 600, and the controller 100 transmits the heat resistance glass resistance value, the control period, and the input voltage to the controller 208.

Then, the user inputs the control power amount and the target temperature to the user terminal 400, and the controller transmits the control power amount and the target temperature to the control unit 208.

The control unit 208 stores the received information in the storage unit 208. [

The server 500 may further include a server 500 for remote control as required and may transmit the received information to the controller 100 at the request of the installer terminal 600 and the user terminal 400 .

If necessary, the target temperature and the control power amount may be inputted through the operation unit 220 or the like even when communication with an external user terminal is interrupted due to a network problem or the like.

Hereinafter, the operation of the heating glass control system according to the embodiment of the present invention having such a configuration will be described.

FIG. 3 is a flowchart illustrating an operation of a method for controlling a heating glass according to an exemplary embodiment of the present invention, and FIG. 4 is a diagram illustrating waveforms applied to a heating glass in a heating glass control system according to an exemplary embodiment of the present invention.

Referring to FIG. 3, the installer inputs the heat resistance value, the control period, and the input voltage through the installer terminal 600 in advance, and the control device 100 transmits the value to the controller 208. Then, the user inputs the control power amount and the target temperature to the user terminal 400, and the control unit 400 transmits the control power amount and the target temperature to the control unit 208.

The control unit 208 stores the received information in the storage unit 208 (S301).

The server 500 may further include a server 500 for remote control as required and may transmit the received information to the controller 100 at the request of the installer terminal 600 and the user terminal 400 . Also, if necessary, the target temperature and the control power amount may be inputted through the operation unit 220 or the like even when communication with the external user terminal 400 is lost due to a problem of the network 700.

After receiving the target temperature and the control power amount, the control unit 208 receives the current temperature of the heating glass from the temperature sensing unit 209 (S302).

Next, the controller 208 determines whether the current temperature is lower than the target temperature (S303).

If the current temperature is lower than the target temperature, the control unit 208 calculates the control time of the heating glass using the control period, the resistance value and the size of the heating glass, the target temperature and the control power amount, And controls the voltage output controller 211 to supply power to the heat-generating glass.

At this time, the step of controlling the voltage output control unit 211 will be described in detail.

First, the control unit 208 calculates the control time for each heating glass (S304). For example, the following equation (1).

Here, Pout = control power amount (0 to GlassPmax)

RL = Value of built-in glass resistance (set separately for each channel)

T = control period (2 / 60Hz = 8.333333 ms)

V = input voltage

Ton = control time (separate setting for each channel)

If Pout is set so as not to exceed GlassPmax using Equation 1, the control unit 208 sets the time (Ton_ch1, Ton_ch2, Ton_ch2, Ton_ch1, Ton_ch2, Ton_ch3 ...).

The control unit 208 performs dispersion control so that power-controlled power for each Ch is not concentrated at the calculated control time.

Then, the control unit 208 generates an interrupt (S305).

Next, the control unit 208 divides the channels for each heating glass and performs the following steps for each channel (S306).

First, the control unit 208 calculates the control cycle by multiplying the control period and the control period by 2 for each heating glass. For example, the control cycle is calculated using the following equation (2) (S307).

At this time, the control unit 208 calculates the number of cycles of the input frequency f by using the calculated control time (Ton * f). Since the converted Cylce value generates two interrupts per cycle, the control time (Ton) is converted into the control cycle (Tcycle).

Here, the control cycle (Tcycle) is the control cycle to be power-controlled for 1 cycle based on the input frequency.

Then, the control unit 208 accumulates the control cycles and determines whether the accumulated value is equal to or greater than a predetermined reference cycle (S308). For example, 100 cycles or more. Here, the reference cycle can be adjusted as needed.

Meanwhile, if the accumulated value is not equal to or greater than the reference cycle, the controller 208 repeats the step of generating the interrupt (S305). For example, when the value calculated by accumulating Tcycle does not exceed 100 (Tcycle < 100), a step S307 of accumulating a Tcycle value when an interrupt occurs is performed.

Here, when the calculated control cycle calculation value is small, the Tcyle value is accumulated (Tcycle ++) every time an interrupt occurs so that an error does not occur even if a value less than the decimal point is calculated. do. For example, if the control cycle of the channel 2 is 3.01, the value is continuously accumulated and the positive or negative cycle is performed in the 33rd, 66th, and 100th cycles. Therefore, Accurate power control can be performed.

If the accumulated value is equal to or more than 100 reference cycles, it is determined whether the cycle flag is set (S309).

If the cycle flag is set, the control unit 208 performs a positive cycle (S310), outputs one positive sine wave pulse, and turns off the output of the voltage output control unit 211 (S311). For example, when Cycle = '1', the AC voltage output of the voltage output controller 211 is controlled to output only one pulse of positive sine wave.

Then, the control unit 208 resets the cycle flag, and repeats the process from the step of generating the interrupt (S312). That is, Cycle = '0'.

On the other hand, when the cycle flag is not set, the control unit 208 performs a negative cycle (S313), outputs one negative sine wave pulse, and turns off the output of the voltage output control unit 211 again. At this time, the output voltage control is to perform only one pulse of NEGATIVE sine wave. Next, the control unit 208 subtracts 100 from the cumulative control cycle (S314).

Then, the control unit 208 sets the cycle flag as a set, and repeats the process from the step of generating the interrupt (S315).

That is, it is set to subtract 100 from the accumulated value of the TCycle, and set the cycle to '1' to perform a positive cycle again when the next cumulative value exceeds 100.

An example of a sine wave applied to the positive cycle and the negative cycle in the above process is shown in FIG.

The control time can be freely adjusted according to the power control amount by controlling only one cycle as described above. The effect of dispersing the power in the channel 1 by this control is also applied.

In the embodiment of the present invention, the control method enables even a very small power control of less than 10 W. [

In the embodiment of the present invention, the heating glass can be controlled with a small power.

Further, in the embodiment of the present invention, the temperature can be controlled by supplying different heat energy to a plurality of heat-generating glasses in order to control a heat-generating temperature of a plurality of heat-generating glasses having various sizes and loads.

In addition, in the embodiment of the present invention, it is possible to control a plurality of heat-generating glass by one power supply control device, thereby reducing installation cost and facilitating maintenance.

Further, in the embodiment of the present invention, the control of the heat-generating glass can be smoothly performed even if the network is disconnected during remote control with the outside.

The embodiments of the present invention described above are not only implemented by the apparatus and method but may be implemented through a program for realizing the function corresponding to the configuration of the embodiment of the present invention or a recording medium on which the program is recorded, The embodiments can be easily implemented by those skilled in the art from the description of the embodiments described above.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, It belongs to the scope of right.

Claims (11)

A heating glass control system for receiving at least one target temperature and a control power amount of a predetermined place to be controlled from an external control device and controlling at least one heating glass installed in the place,
A temperature sensing unit for sensing a temperature of the heat generating glass;
A storage unit for storing a control period, a resistance value, and a magnitude of the heating glass;
A voltage output control unit for supplying power to the heat generating glass;
A control period of the heating glass, a control period of the heating glass, a resistance value, a size of the heating glass, the target temperature and a control power amount, and supplies the power to the heating glass during the control time. And a control unit for controlling the heating glass. The method according to claim 1,
And a zero crossing detection unit for detecting a zero point of a sinusoidal signal, wherein the control unit uses a zero point of the sinusoidal signal detected by the zero crossing detection unit to detect a zero point of a sinusoidal signal supplied to the heating glass To the heat-generating glass, so that the supply of the sinusoidal signal is terminated when the current becomes zero. 3. The method of claim 2,
A current sensing unit for measuring a current of an external power source supplied to the voltage output control unit;
A voltage sensing unit for measuring a voltage of an external power source supplied to the voltage output control unit;
And a power cutoff unit for cutting off the external power supplied to the voltage output control unit,
Wherein the control unit stops the power supply by driving the power cutoff unit when it is determined that overheating or overcurrent occurs from the output signals of the current sensing unit and the voltage sensing unit. The method of claim 3,
The temperature and humidity of the room are measured using an indoor temperature and humidity sensor to prevent condensation from being generated in the heating glass. The controller detects the temperature of the heat-generating glass in which condensation does not occur based on the measured humidity and temperature, And a sine wave signal is supplied to the heat generating glass so as to be controlled to a temperature at which condensation does not occur. 1. A heating glass control system for controlling at least one heating glass installed at a predetermined place,
An operation unit for receiving a target temperature and a control power amount of the place to be controlled by the user;
A temperature sensing unit for sensing a temperature of the heat generating glass;
A storage unit for storing a control period, a resistance value, and a magnitude of the heating glass;
A voltage output control unit for supplying power to the heat generating glass;
A control period of the heating glass, a control period of the heating glass, a resistance value and a size of the heating glass, the target temperature and the control power amount, and controls the voltage output control unit to supply power to the heating glass during the control time A heating glass control system comprising a control part. 6. The method of claim 5,
And a zero crossing detection unit for detecting a zero point of a sinusoidal signal, wherein the control unit uses a zero point of the sinusoidal signal detected by the zero crossing detection unit to detect a zero point of a sinusoidal signal supplied to the heating glass To the heat-generating glass, so that the supply of the sinusoidal signal is terminated when the current becomes zero. The method according to claim 6,
A current sensing unit for measuring a current of an external power source supplied to the voltage output control unit;
A voltage sensing unit for measuring a voltage of an external power source supplied to the voltage output control unit;
And a power cutoff unit for cutting off the external power supplied to the voltage output control unit,
Wherein the control unit stops the power supply by driving the power cutoff unit when it is determined that overheating or overcurrent occurs from the output signals of the current sensing unit and the voltage sensing unit. And a control unit for controlling at least one of the at least one heat generating glass and the at least one heat generating glass installed in the place, The method comprising the steps of:
The control unit receiving the target temperature and the control power amount;
The control unit receiving a current temperature of the heat-generating glass;
Determining whether the current temperature is lower than the target temperature;
Wherein the control unit calculates the control time of the heat generating glass by using the control period, the resistance value and the size of the heat generating glass, the target temperature and the control power amount when the present temperature is lower than the target temperature, And controlling the voltage output control unit to supply power to the heat-generating glass. 9. The method of claim 8,
Wherein the step of controlling the voltage output control unit comprises:
Calculating a control time for each heating glass;
The control unit generating an interrupt;
Calculating a control cycle by multiplying the control period by a control period and 2 by the control unit;
The control unit accumulating the control cycles and determining whether the accumulated value is equal to or greater than a predetermined reference cycle;
Determining whether a cycle flag is set if the accumulated value is equal to or greater than the reference cycle;
If the cycle flag is set, the control unit performs a positive cycle to output one positive sine wave pulse;
Wherein the control unit resets the cycle flag, and repeats the step of generating the interrupt. 10. The method of claim 9,
If the cycle flag is not set, the control unit performs a negative cycle to output one negative sinusoidal pulse;
Further comprising the step of causing the control unit to set the cycle flag, and repeating the step of generating the interrupt. 11. The method of claim 10,
And repeating the step of generating the interrupt when the accumulated value is not equal to or greater than the reference cycle.

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