KR20180092231A - Temperature control system for electric heating mat or electric heating bedding - Google Patents

Abstract

Disclosed is a temperature control system for an electrical heating mat or an electrical heating bed, in which a main body receives commercial AC power through first and second AC power lines, controls the flow of the commercial AC power so that the electric field is automatically switched according to the potential of the first and second AC power lines in order to prevent the generation of electromagnetic waves, switches the voltage of the commercial AC power to a DC supply voltage, receives a thermal wire signal, controls the supply of the commercial AC power to the thermal wire based on at least one of the received thermal wire control signal and the temperature of a thermal wire, and generates either or both a thermal wire temperature signal indicating the temperature of the thermal wire and a thermal wire check signal indicating information on abnormalities of the thermal wire. A controller receives a function operation signal from the user, generates a thermal wire control signal based on the function operation signal, and drops the DC supply voltage based on the generated thermal wire control signal to transmit the thermal wire control signal to the main body.

Description

TECHNICAL FIELD [0001] The present invention relates to a temperature control system for an electrothermal mat or an electrothermal bonding bed (TEMPERATURE CONTROL SYSTEM FOR ELECTRIC HEATING MAT OR ELECTRIC HEATING BEDDING)

The present invention relates to a heat control mat or a temperature control system for a heat transfer bed, and more particularly, to a heat transfer mat or a temperature control system for a heat transfer bed for controlling power supply of a heat transfer line used as a heating line for a heat transfer mat.

Electric heating mats and electric heating bedding are electric heating products that generate heat by using electric energy as a heat source. Examples of electric heating mats include electric mattresses, electric mattresses, and heat mattresses. Examples of electric mattress mattresses include stone beds. The electric heating product is equipped with a temperature controller for generating heat by supplying electric power to the built-in hot wire and controlling and controlling the temperature.

As the commercial AC power is supplied to the temperature regulator, an electric field and a magnetic field are formed. As a result, an electromagnetic wave is generated, which causes harm to the human body. In general, since the temperature controller is placed close to the human body for convenience of use by the user, a large amount of harmful electromagnetic waves are directly induced into the human body.

Korean Patent Registration No. 10-1233252 (2013.02.14) for preventing the generation of electromagnetic waves discloses an electric field automatic switching circuit provided in a temperature controller capable of automatically switching an electric field without a shielding plate. Also, Korean Patent Registration No. 10-1659470 (Sep. 26, 2016) discloses a thermostat for a thermal bed comprising a copper foil coated with an insulator and a copper copper foil.

However, the conventional temperature controller has a problem that the generation of electromagnetic waves can not be prevented from the point of view that the commercial AC power flows inside.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a heat transfer mat or a temperature control system for an electrothermal bonding bed that can prevent electric fields and magnetic fields from being generated in a heat transfer mat or a temperature controller for a heat transfer bed.

Another object of the present invention is to provide a heat transfer mat or a temperature control system for a heat transfer bed which is simple in installation of a main body and a regulator and is easy to manufacture and repair.

Another object of the present invention is to provide an electric heating mat or a temperature control system for an electrothermal bonding bed in which the main body and the regulator can be separated from each other by a long distance and no separate power supply is required to the regulator.

In order to solve the above problems, a heat transfer mat or a temperature control system for an electrothermal bonding bed according to the present invention includes a heating mat for controlling power supply to a heating wire used as a heating wire of a heating mat or an electrothermal bonding bed, The flow of the commercial AC power is controlled so that the electric field is automatically switched in accordance with the potentials of the first and second AC power lines in order to prevent the generation of the electromagnetic wave and receive the commercial AC power through the first and second AC power lines And supplying the commercial AC power to the hot wire on the basis of at least one of the received hot wire control signal and the temperature of the hot wire, the method comprising: switching the voltage of the commercial AC power supply to a DC supply voltage; , A heat line temperature signal indicating the temperature of the thermal line, and information indicating whether the thermal line is abnormal And a hot line check signal, and a control unit, physically independent from the main body, connected to the main body by wire, receiving the direct current supply voltage through the wire, lowering the direct current supply voltage, Extracts at least one of the hot line temperature signal and the hot line check signal from the received DC supply voltage without operating a commercial AC power supply, A temperature control unit for controlling the temperature of the heating wire based on the temperature of the heating wire control signal and the temperature of the heating wire control signal, And a controller to transmit a hot line control signal to the body.

The main body includes an electric field automatic control unit that receives the commercial AC power through the first and second AC power lines and adjusts the flow of the commercial AC power so that the electric field is automatically switched according to the potentials of the first and second AC power lines. And a temperature sensor provided adjacent to the heat transfer plate on which the heat radiation line is disposed, wherein the system power supply unit converts the voltage of the commercial AC power supply to the DC supply voltage, A temperature check unit for detecting a temperature in the heat transfer plate and outputting the detected temperature to the control unit, a heat line check unit for detecting whether the thermal line is short-circuited and outputting the detected short circuit to the control unit, generating the hot line temperature signal based on the detected temperature, And generates the hot line check signal based on the output of the hot line control signal and at least one of the hot line control signal and the detected temperature And a control unit for controlling the supply of the commercial AC power to the hot wire in accordance with the power supply signal, and a controller for controlling at least one of the hot line temperature signal and the hot line check signal And a communication unit for transmitting at least one of the hot-wire temperature signal and the hot-wire check signal to the regulator, and extracting the hot-wire control signal from the direct-current supply voltage.

Wherein the communication unit further extracts a transmission start signal for confirming whether or not a signal is transmitted from the regulator at the DC supply voltage and outputs the transmission start signal to the control unit when the transmission start signal is extracted, It is possible to start checking the received control signal.

The controller receives the DC supply voltage through the wire, extracts at least one of the hot wire temperature signal and the hot wire check signal from the DC supply voltage, and controls the DC supply voltage based on the hot wire control signal A power source for generating the operating voltage by reducing the DC supply voltage, a display unit for displaying a temperature associated with a hot wire temperature indicated by the hot wire temperature signal, A user interface unit that receives an operation signal, and a controller that controls the set temperature based on the input function operation signal, generates the hot line control signal based on the function operation signal, and the hot line temperature indicated by the hot line temperature signal is And a control unit for controlling the display unit.

The communication unit includes a resistor R75 having one side connected to the wire and a collector terminal connected to the other side of the resistor R75 and receiving the hot wire control signal through a base terminal, A capacitor C26 connected to the wire to extract at least one of the hot-wire temperature signal and the hot-wire check signal, and an emitter connected to the earthing terminal, A base terminal is connected to the other terminal of the capacitor C26 and a pnp transistor Q18 connected to the output of the collector terminal for input to the control unit. can do.

According to the heat transfer mat or the temperature control system for electrothermal bonding bed according to the present invention, the main body is supplied with a DC voltage of a lower voltage than the voltage of the commercial AC power source to the regulator, and a power source of DC voltage of a lower voltage than that of the commercial AC power source It is possible to prevent the generation of electric and magnetic fields harmful to the human body by inducing only a very small amount of electric field and magnetic field generation to the extent that the electric field and the magnetic field are not originally generated or the measurement is difficult,

Since no additional power supply is required to the regulator by receiving power from the main body, and the transmission and reception signals are transmitted to the supply voltage, no additional wired installation for signal transmission other than the power supply is required, It is easy to install and easy to repair, and the body and adjuster can be separated from each other by a long distance, so that the adjuster can be installed in a place that is easy for the user to use.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a configuration diagram of a preferred embodiment of a temperature control system for a heat transfer mat or heat transfer bed according to the present invention. FIG.
2 is a block diagram showing the configuration of a preferred embodiment of the regulator according to the present invention.
3 is a block diagram showing a configuration of a preferred embodiment of the main body according to the present invention.
4 is a circuit diagram showing a configuration of a preferred embodiment of the communication unit and the power supply unit of the regulator according to the present invention.
5 is a circuit diagram showing a configuration of a preferred embodiment of the communication unit of the main body according to the present invention.
6 is a circuit diagram showing a configuration of a preferred embodiment of an electric field automatic control unit of a main body according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a heat control mat or a temperature control system for a heat transfer bed according to the present invention will be described in detail with reference to the accompanying drawings. The structure and operation of the present invention shown in the drawings and described by the drawings are described as at least one embodiment, and the technical ideas and the core structure and operation of the present invention are not limited thereby.

Although the terms used in the present invention have been selected in consideration of the functions of the present invention, it is possible to use general terms that are currently widely used, but this may vary depending on the intention or custom of a person skilled in the art or the emergence of new technology. Also, in certain cases, there may be a term selected arbitrarily by the applicant, in which case the meaning thereof will be described in detail in the description of the corresponding invention. Accordingly, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a configuration diagram of a preferred embodiment of a temperature control system for a heat transfer mat or heat transfer bed according to the present invention. FIG.

Referring to FIG. 1, a temperature control system 10 for a heat transfer mat or heat transfer bed according to the present invention may include a main body 100, a first regulator 20, and a second regulator 30. The temperature control system 10 may include a main body 100 and a first regulator 20 and the main body 100 may include a first regulator 20 and a first regulator 20, And can be connected to the wired line 101. Here, the heat transfer mat may include an electric plate, an electric furnace, and a heat mattress, and the heat conductive bed may include a heat transfer bed and a stone bed.

The temperature regulating system 10 may include a main body 100, a first regulator 20 and a second regulator 30 and the main body 100 may include a first regulator 20 and a second regulator 30, The first regulator 30 and the second regulator 30 may be connected to the regulator 20 and the first wired line 102, respectively. In this case, the first regulator 20 may be referred to as a left regulator, and the second regulator 30 may be referred to as a right regulator.

The main body 100 receives the commercial AC power through the first AC power line AC1 and the second AC power line AC2 and receives the first AC power line AC1 and the second AC power line AC2 to prevent the generation of electromagnetic waves. The voltage of the commercial AC power supply can be switched to the DC supply voltage and the converted DC supply voltage can be supplied to the first regulator 20 or the second regulator 30). For example, the commercial AC power may be AC 110V or AC 220V. The DC supply voltage may be lower than the voltage of the commercial AC power supply, for example, the DC supply voltage may be DC 5V.

The main body 100 receives a heat ray control signal from the first regulator 20 and applies a commercial AC signal to the first heat ray H1 based on at least one of the received heat ray control signal and the temperature of the first heat ray H1. It is possible to generate at least one of a hot line temperature signal indicating the temperature of the first hot line H1 and a hot line check signal indicating the information on the abnormality of the first hot line H1 . Here, the first heating line H1 may be a heater heating line of the heating mat or the heating mat.

The main body 100 receives the heat ray control signal from the second regulator 30 and supplies the second heat ray H2 to a commercial alternating current (hereinafter referred to as " second heat ray ") based on at least one of the received heat ray control signal and the temperature of the second heat ray H2. It is possible to generate at least one of a hot line temperature signal indicating the temperature of the second hot line H2 and a hot line check signal indicating the information on the abnormality of the second hot line H2 . Here, the second heating line H2 may be a heating line of a heating mat or a heating mat of the heating bed.

The first regulator 20 is physically separate from the main body 100 and is connected to the main body 100 by a first wired line 101 and receives a DC supply voltage from the main body 100 through the first wired line 101 do. The first regulator 20 generates an operation voltage by stepping down the received DC supply voltage, and operates with the operation voltage generated without supplying the commercial AC power. Here, the operating voltage may be DC 3.3V, for example. The wire 102 may be for grounding.

The first controller 20 also extracts at least one of the hot line temperature signal and the hot line check signal transmitted by the main body 100 from the received DC supply voltage and displays the temperature associated with the hot line temperature indicated by the extracted hot line temperature signal .

The first regulator 20 receives a function operation signal from a user, generates a hot line control signal based on the function operation signal, downs the DC supply voltage based on the generated hot line control signal, (100).

The second regulator 30 is physically separate from the main body 100 and is connected to the main body 100 through a second wired line 103 and receives a DC supply voltage from the main body 100 through the second wired line 103 do. The second regulator 30 generates an operation voltage by stepping down the received DC supply voltage, and operates with the operation voltage generated without supplying the commercial AC power. Here, the operating voltage may be DC 3.3V, for example. The wire 104 may be for grounding.

The second controller 30 also extracts at least one of the hot line temperature signal and the hot line check signal transmitted by the main body 200 from the received DC supply voltage and displays the temperature associated with the hot line temperature indicated by the extracted hot line temperature signal .

The second controller 30 receives a function operation signal from a user, generates a hot line control signal based on the function operation signal, downs the DC supply voltage based on the generated hot line control signal, (100).

2 is a block diagram showing the configuration of a preferred embodiment of the regulator according to the present invention.

2, the controller 200 may include a communication unit 210, a power unit 220, a display unit 230, a user interface unit 240, and a controller 250. The regulator 200 can be the first regulator 20 shown in FIG. 1 and the second regulator 30.

The communication unit 210 receives the DC supply voltage from the main body 100 through the wire 201 and outputs the received DC supply voltage to the power supply unit 220. [ The wired line 201 may be the first wired line 101 or the second wired line 103 shown in Figure 1 and the wired line 202 may be the wired line 102 or the wired line 104 shown in Figure 1 . 2, the communication unit 210 is connected to the communication unit 180 of the main body 100 through two wired lines 201 and 202, and the wired line 202 may be a ground line.

The communication unit 210 can extract at least one of the hot line temperature signal and the hot line check signal transmitted by the main body 100 from the received DC supply voltage and output the extracted signal to the control unit 250. Here, the hot-wire temperature signal and the hot-wire check signal can be simultaneously transmitted, individually transmitted, and can be a pulse-width modulation (PWM) signal.

The communication unit 210 can downsize the DC supply voltage based on the hot wire control signal output from the controller 250 and transmit the hot wire control signal to the main body 100. [ Here, the hot wire control signal may be a pulse-width modulation (PWM) signal.

The power supply unit 220 can generate an operation voltage by reducing the DC supply voltage output from the communication unit 210. The communication unit 210, the power supply unit 220, the display unit 230, the user interface unit 240, and the control unit 250 are operated with the operation voltage. The operation voltage can be stably supplied to the regulator 200 even when the operation voltage is lower than the DC supply voltage and the signal is transmitted / received through the wired line 201. That is, even when the DC supply voltage is lowered by the hot wire control signal, the DC voltage supply voltage is kept higher than the operation voltage, so that the operation voltage can be stably supplied to the regulator 200. Also, even when the hot-wire temperature signal and the hot-wire check signal are loaded on the DC supply voltage, the DC supply voltage is maintained higher than the operation voltage, so that the operation voltage is stably supplied to the regulator 200.

The display unit 230 may display a temperature associated with the hot-wire temperature indicated by the hot-wire temperature signal under the control of the controller 250.

The user interface unit 240 can receive a function operation signal from a user and output the inputted function operation signal to the control unit 250. [ The user interface unit 240 may include a plurality of switches, and the user may input a function operation signal by pressing corresponding switches among the plurality of switches.

The control unit 250 controls the set temperature based on the function operation signal output by the user interface unit 240, generates the hot-wire control signal based on the function operation signal, and transmits the generated hot-wire control signal to the communication unit 210 ). The control unit 250 may control the heating control signal to be transmitted to the main body 100 when the main body 100 does not transmit a signal. Here, the controller 250 may be a microcontroller (MCU) or a microcomputer.

The control unit 250 receives the hot line temperature signal and the hot line check signal from the communication unit 210 and controls the display unit 230 to display the hot line temperature indicated by the received hot line temperature signal. When the hot line check signal indicates that the hot lines H1 and H2 are short-circuited, the control unit 250 can control the display unit 230 to display an abnormal signal and control the alarm to sound.

3 is a block diagram showing a configuration of a preferred embodiment of the main body according to the present invention.

3, the main body 100 includes an electric field automatic control unit 110, a system power unit 120, a heat line power unit 130, a temperature check unit 140, a heat line check unit 150, a control unit 160, A heating wire control unit 170, a communication unit 180, and a magnetic field system 190. FIG.

The electric field automatic regulating unit 110 receives the commercial AC power through the first AC power line AC1 and the second AC power line AC2 under the control of the controller 160 and receives the first alternating current The flow of the commercial AC power can be adjusted so that the electric field is automatically switched according to the potentials of the first line AC1 and the second AC power line AC2. When the plug is connected to the outlet, if the ground terminal of the outlet and the ground terminal of the alternating current line do not match, electromagnetic waves are generated. In the present invention, the controller 160 reads the voltage when the plug is connected to the outlet, and adjusts the two grounding terminals of the outlet to the normal grounding portions of the first and second AC power lines AC1 and AC2, respectively, It is possible to control the electric field automatic regulating unit 110 so as to be automatically connected to the electric field adjusting unit 110. [

The system power unit 120 can convert the voltage of the commercial AC power inputted through the first AC power line AC1 and the second AC power line AC2 to the DC power supply voltage. The electric field automatic regulating unit 110, the control unit 160, the heat ray control unit 170, and the communication unit 180 may be operated by the DC supply voltage.

The hot wire power supply unit 130 can supply the commercial AC power inputted through the first AC power line AC1 and the second AC power line AC2 to the hot wire H. [ Here, the hot wire H may be the first hot wire H1 or the second hot wire H2 shown in FIG.

The temperature check unit 140 may detect the temperature and output the detected temperature to the control unit 160. [ The temperature check unit 140 may detect the temperature in the heat transfer plate 340 through the temperature sensor 350 provided adjacent to the heat transfer plate 340 on which the heat transfer line H is disposed and output the detected temperature to the control unit 160. The temperature check unit 140 can detect the temperature of the hot wire H by confirming the change of the resistance of the hot wire H and output the detected temperature to the controller 160. [

The hot line check unit 150 may detect whether the hot line H is short-circuited and output the detected short circuit to the controller 160. A plurality of bimetals 360 are connected in series to the hot wire H so that when the temperature of the heat transfer plate 340 exceeds a preset temperature, the bimetal 360 is electrically turned off, The hot line check unit 150 can detect it and output it to the control unit 160. [

The control unit 160 may generate a hot-wire temperature signal based on the temperature detected by the temperature check unit 140, generate a hot-line check signal based on the output of the hot-line check unit 150, And can output a check signal to the communication unit 180. The controller 160 may control the heat ray temperature signal and the heat ray check signal to be transmitted to the regulator 200 when the regulator 200 does not transmit a signal. Here, the controller 250 may be a microcontroller (MCU) or a microcomputer.

The control unit 160 can receive the hot line control signal from the communication unit 180 and can generate the power supply signal based on at least one of the received hot line control signal and the detected temperature, And outputs it to the control unit 170.

The heat wire control unit 170 can control the supply of the commercial AC power to the hot wire H in accordance with the power supply signal outputted by the controller 160. [ The commercial AC power supplied through the hot-wire power supply unit 130 may be applied to the hot line H under the control of the hot-wire control unit 170.

The communication unit 180 downs the DC supply voltage supplied from the system power supply unit 120 based on at least one of the hot line temperature signal and the hot line check signal output from the controller 160 and outputs at least one of the hot line temperature signal and the hot line check signal To the controller 200.

The communication unit 180 can extract the hot line control signal transmitted from the regulator 200 at the DC supply voltage transmitted to the regulator 200 through the wired line 201 and output the extracted hot line control signal to the controller 160 .

The communication unit 180 detects a transmission start signal for confirming whether or not the signal of the regulator 200 is transmitted from the DC supply voltage to the regulator 200 through the wired line 201 and outputs the detected transmission start signal to the control unit 160 Can be output. The control unit 160 can start the operation of confirming the signal transmitted from the controller 200 when the transmission start signal is received from the communication unit 180. [

The magnetic field phase-change processing unit 190 may be formed in a PCB (Printed Circuit Board) pattern on the substrate to cancel the magnetic field flowing through the hot line H. The commercial AC power supplied under the control of the heat line control unit 170 may be applied to the hot line H through the magnetic field system 190. [

4 is a circuit diagram showing a configuration of a preferred embodiment of the communication unit and the power supply unit of the regulator according to the present invention.

4, the communication unit 210 may include a communication unit 410, and the power supply unit 220 may include a regulator 420. [

The regulator 420 is connected to the wire 201 and receives the DC supply voltage transmitted from the main body 100 through the wire 201 and downs the applied DC supply voltage to output the operation voltage VCC. Here, the operation voltage VCC may be DC 3.3V.

The communication section 410 includes an interface J14, a resistor R75, a transistor Q17, a resistor R74, a resistor R76, a capacitor C26, a transistor Q18, a resistor R40 and a resistor R73 . The wired line 201 can be fixed to the interface J14 and fixed and the regulator 420 can be connected to the wired line 201 through the interface J14.

One end of the resistor R75 may be connected to the wire 201 and the other end thereof may be connected to a collector terminal of the transistor Q17. The resistor R75 may be connected to the wire 201 via the interface J14.

The collector terminal of the transistor Q17 is connected to the resistor R75 and the hot wire control signal D_TX output from the control unit 250 is inputted through the base terminal and the emitter terminal It can be grounded or connected to a ground circuit. Here, the transistor Q17 may be an npn-type transistor.

One side of the resistor R74 may be connected to the emitter terminal of the transistor Q17, and the other side thereof may be grounded.

One side of the resistor R76 may be connected to the base terminal of the transistor Q17, and the other side thereof may be connected to the control unit 250. [ When the hot wire control signal D_TX is input to the transistor Q17 through the resistor R76, a current flows to the resistor R74 through the emitter terminal of the transistor Q17, The voltage is forced down and the hot wire control signal (D_TX) is put on the DC supply voltage.

The capacitor C26 is connected to the wire 201 and the other end is connected to the base terminal of the transistor Q18 so that the signal D_RX transmitted by the main body 100 from the DC supply voltage received through the wire 201, And output it to the transistor Q18. The signal D_RX may include at least one of a hot line temperature signal and a hot line check signal. The capacitor C26 may be connected to the wire 201 through the interface J14.

The transistor Q18 receives the operation voltage VCC output from the regulator 420 via the emitter terminal and the base terminal of the transistor Q18 is connected to the capacitor C26 to be connected to the capacitor C26, The signal D_RX may be applied and the collector terminal of the transistor Q18 may be connected such that its output is input to the control unit 250. [ Accordingly, when the signal D_RX is applied to the base terminal of the transistor Q18, a current having an amplified voltage higher than the operation voltage VCC flows to the collector terminal. That is, the signal D_RX is amplified through the transistor Q18 and output to the collector terminal. Here, the transistor Q18 may be a pnp-type transistor.

One side of the resistor R40 is connected to the collector terminal of the transistor Q18 and the other side of the resistor R40 is connected to the control unit 250. One side of the resistor R73 may be connected to the collector terminal of the transistor Q18, . The matching voltage is applied to the controller 250 according to the resistance values of the resistor R40 and the resistor R74. That is, the voltage of the collector terminal of the transistor Q18 is divided according to the resistance values of the resistors R40 and R74 and applied to the control unit 250. Accordingly, the control unit 250 outputs the signal D_RX).

5 is a circuit diagram showing a configuration of a preferred embodiment of the communication unit of the main body according to the present invention.

Referring to FIG. 5, the communication unit 180 may include a first heating communication unit 510, a second heating communication unit 520, and an initial signal detection unit 530. In some embodiments, the communication unit 180 may include a first heating communication unit 510 and an initial signal detection unit 530 when the heating mat or the heating bed is for a single occupant. In some embodiments, the communication unit 180 may include a first heating communication unit 510, a second heating communication unit 520, and an initial signal detection unit 530 when the heat transfer mat or the heat transfer bed is for two persons.

The first heating communication unit 510 transmits and receives signals to and from the first regulator 20 and transmits the DC supply voltage to the first regulator 20. [

The first heating communication unit 510 includes an interface J12, a resistor R65, a transistor Q16, a resistor R67, a resistor R68, a capacitor C24, a transistor Q10, a resistor R35, R66). The wired line 101 can be fixed to the interface J12 and fixed and the DC supply voltage VCC output from the system power supply unit 130 is supplied to the first regulator 20 via the wired line 101 via the resistor R65, Lt; / RTI >

The collector terminal of the transistor Q16 is connected to the resistor R65 and the wire 101 and the transmission signal M_TX1 output from the control unit 160 is input through the base terminal, emitter terminal can be grounded or connected to a ground circuit. Here, the transistor Q16 may be an npn type transistor, and the transmission signal M_TX1 may include at least one of a hot wire temperature signal and a hot wire check signal.

One side of the resistor R67 may be connected to the emitter terminal of the transistor Q16, and the other side may be grounded.

One side of the resistor R68 may be connected to the base terminal of the transistor Q16 and the other side thereof may be connected to the control unit 160. [ When the transmission signal M_TX1 is input to the transistor Q16 via the resistor R68, a current flows to the resistor R67 through the emitter terminal of the transistor Q16, And the transmission signal (M_TX1) is applied to the DC supply voltage.

The capacitor C24 is connected to the resistor R65 and the wire 101 and the other end is connected to the base terminal of the transistor Q10 so that the capacitor C24 is connected to the first regulator 20 at a DC supply voltage received through the wire 101, And outputs the extracted heat ray control signal M_RX1 to the transistor Q10.

The transistor Q10 receives the DC supply voltage VCC output from the system power supply 120 through the emitter terminal and the base terminal of the transistor Q10 is connected to the capacitor C22 to form the capacitor C24. And the collector terminal of the transistor Q10 may be connected such that the output of the collector terminal of the transistor Q10 is input to the control unit 160. [ Accordingly, when the hot wire control signal M_RX1 is applied to the base terminal of the transistor Q10, a current having a voltage higher than the DC supply voltage VCC flows to the collector terminal. That is, the hot wire control signal M_RX1 is amplified through the transistor Q10 and output to the collector terminal. Here, the transistor Q10 may be a pnp-type transistor.

One end of the resistor R35 is connected to the collector terminal of the transistor Q10 and the other end thereof is connected to the controller 160. The resistor R66 may be connected to the collector terminal of the transistor Q10 and the other end thereof may be grounded . And the matched voltage is applied to the controller 160 according to the resistance values of the resistor R35 and the resistor R66. That is, the voltage of the collector terminal of the transistor Q10 is divided according to the resistance values of the resistors R35 and R66 and applied to the control unit 160. Accordingly, the control unit 160 controls the heating line control Lt; RTI ID = 0.0 > M_RX1. ≪ / RTI >

The second heating communication unit 520 transmits and receives signals to and from the second regulator 30 and transmits the DC supply voltage to the second regulator 30. [ The second heating communication unit 520 includes an interface J13, a resistor R71, a transistor Q15, a resistor R70, a resistor R72, a capacitor C25, a transistor Q13, a resistor R36, R69). The wire 103 can be fixed to the interface J13 and fixed and the DC supply voltage VCC output from the system power supply 130 is transmitted to the second regulator 30 via the wire 103 via the resistor R71. Lt; / RTI >

The collector terminal of the transistor Q15 is connected to the resistor R71 and the wire 103 and the transmission signal M_TX2 output from the control unit 160 is input through the base terminal, emitter terminal can be grounded or connected to a ground circuit. Here, the transistor Q15 may be an npn type transistor and the transmission signal M_TX2 may include at least one of a hot wire temperature signal and a hot wire check signal.

One side of the resistor R70 may be connected to the emitter terminal of the transistor Q15, and the other side may be grounded.

One side of the resistor R72 may be connected to the base terminal of the transistor Q15 and the other side thereof may be connected to the control unit 160. [ When the transmission signal M_TX2 is input to the transistor Q15 through the resistor R72, a current flows to the resistor R70 through the emitter terminal of the transistor Q15, And the transmission signal (M_TX2) is applied to the DC supply voltage.

The capacitor C25 is connected at one end to the resistor R71 and the wire 103 and at the other end to the base terminal of the transistor Q13 so that the second regulator 30 is connected at the DC supply voltage received via the wire 103, And outputs the extracted hot wire control signal M_RX2 to the transistor Q13.

The transistor Q13 receives the DC supply voltage VCC output from the system power supply unit 120 through the emitter terminal and the base terminal of the transistor Q13 is connected to the capacitor C22 to form a capacitor C25. And the collector terminal of the transistor Q13 may be connected such that the output of the collector terminal of the transistor Q13 is input to the control unit 160. [ Accordingly, when the hot-wire control signal M_RX2 is applied to the base terminal of the transistor Q13, a current having an amplified voltage higher than the DC supply voltage VCC flows through the collector terminal. That is, the hot wire control signal M_RX2 is amplified through the transistor Q13 and output to the collector terminal. Here, the transistor Q13 may be a pnp-type transistor.

One end of the resistor R36 is connected to the collector terminal of the transistor Q13 and the other end thereof is connected to the controller 160. The resistor R69 may be connected at one end to the collector terminal of the transistor Q13, . The matched voltage is applied to the controller 160 according to the resistance value of the resistor R36 and the resistor R69. That is, the voltage of the collector terminal of the transistor Q13 is divided according to the resistance values of the resistors R36 and R69 and applied to the controller 160. Accordingly, the controller 160 controls the heating wire Lt; RTI ID = 0.0 > M_RX2. ≪ / RTI >

The initial signal detector 530 detects a transmission start signal RX_INT for confirming whether the first controller 20 or the second controller 30 transmits a signal and outputs the detected transmission start signal RX_INT to the controller 160 . The initial signal detecting unit 530 may include a diode D7, a diode D10, a resistor R37, a resistor R38, a transistor Q14, and a resistor R39. Here, the transistor Q14 may be a PNP type transistor.

The anode of the diode D7 is connected to the resistor R37 and the cathode is connected to the front end R35 of the first heating communication unit 510. [ The anode of the diode D10 is connected to the resistor R37 and the cathode is connected to the front end R36 of the second heating communication unit 520. [

One side of the resistor R37 is connected to the diode D7 and the diode D10 and the other side is connected to the base terminal of the resistor R38 and the transistor Q14.

One side of the resistor R38 is connected to the resistor R37 and the other side is connected to the emitter terminal of the transistor Q14.

The operation voltage VCC output from the system power supply unit 120 branches and is inputted to the emitter terminals of the resistors R38 and Q14 and the base terminal of the transistor Q14 is connected to the resistor 37 and the resistor And the output of the collector terminal of the transistor Q14 is connected to the controller 160 for input. When the hot wire control signal M_RX1 of the first regulator 20 or the hot wire control signal M_RX2 of the second regulator 30 is received, the current flows to the base terminal of the transistor Q14, The transfer start signal RX_INT can be input to the control unit 160 while the current having the same polarity is supplied to the collector terminal.

6 is a circuit diagram showing a configuration of a preferred embodiment of an electric field automatic control unit of a main body according to the present invention.

6, the electric field automatic regulating unit 110 includes a resistor R46, a resistor R47, a resistor R51, a resistor R52, a resistor R53, a resistor R54, a resistor R55, A first photocoupler U11, a second photocoupler U12, a capacitor 16, a capacitor C21, a capacitor C23, and a transistor Q8. One side of the resistor R54 is connected to the first AC power line AC1 and the other side is connected to the first photocoupler U11 and one side of the resistor R46 is connected to the second AC power line AC2, Is connected to the second photocoupler U11.

The control unit 160 controls the automatic electric field adjusting unit 110 to automatically perform the switching operation for the electromagnetic wave turn. The electric field automatic control unit 110 reads the spatial potential between the shield plate 610 and the ground. The control unit 160 determines the space potential and outputs the electric field control signals (Elec_H_out, Elec_L_out) according to the operating condition conditions set in the controller 160 to control the switching of the switching unit 610. The shield plate 610 is connected to the first photocoupler U11 and the second photocoupler U12 and performs switching for automatic switching of the electric field by using the spatial potential formed between the shield plate 610 and the ground as the input potential ELEC_A The signal is read to the transistor Q8 through the capacitor C23, the resistor R51 and the capacitor C21 and integrated into the integration circuit 111 by the RC parallel combination of the resistor R47 and the capacitor C16 to increase the sensitivity By providing the input signal Elec_Int to the control unit 160, the present invention can induce accurate and stable electric potential detection and input, and in any case, can completely shield the electromagnetic wave through the automatic switching of the electric field.

The present invention can also be embodied as computer-readable codes on a computer-readable recording medium. A computer-readable recording medium includes all kinds of recording apparatuses in which data that can be read by a computer system is stored. Examples of the computer-readable recording medium include a ROM, a RAM, a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like, and may be implemented in the form of a carrier wave (for example, transmission via the Internet) . The computer-readable recording medium may also be distributed over a networked computer system so that computer readable code can be stored and executed in a distributed manner.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation in the embodiment in which said invention is directed. It will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Temperature control system 10 Body 100
First regulator 20 Second regulator 30

Claims (5)

1. An electric heating mat or a temperature control system for electric heating bed which controls power supply to a hot wire used as a heater hot wire of an electric heating mat or heat transfer bed,
The flow of the commercial AC power is adjusted so that the electric field is automatically switched according to the potentials of the first and second AC power lines in order to prevent the generation of electromagnetic waves and to receive the commercial AC power through the first and second AC power lines, The control unit controls the supply of the commercial AC power to the hot wire based on at least one of the received hot wire control signal and the temperature of the hot wire, converts the voltage of the commercial AC power supply to the DC supply voltage, receives the hot wire control signal, A hot line temperature signal indicating a temperature of the hot line, and a hot line check signal indicating information about an abnormality of the hot line; And
And a control unit connected to the main body to receive the direct current supply voltage through the wire, to generate an operation voltage by stepping down the direct current supply voltage, Wherein the controller is operable with an operating voltage to extract at least one of the hot line temperature signal and the hot line check signal from the received DC supply voltage and to display a temperature associated with the hot line temperature indicated by the extracted hot line temperature signal, And a regulator for receiving the operation signal, generating the hot line control signal based on the function operation signal, and for lowering the DC supply voltage based on the generated hot line control signal to transmit the hot line control signal to the main body And a temperature control system for a heat transfer mat. The method according to claim 1,
The main body includes:
An electric field automatic control unit for receiving the commercial AC power through the first and second AC power lines and adjusting the flow of the commercial AC power so that the electric field is automatically switched according to the potentials of the first and second AC power lines;
A system power supply for converting the voltage of the commercial AC power supply to the DC supply voltage;
A hot wire power supply unit for supplying the commercial AC power to the hot wire;
A temperature check unit for detecting a temperature in the heat transfer plate through a temperature sensor provided adjacent to the heat transfer plate on which the heat transfer line is disposed and outputting the detected temperature to the control unit;
A hot line check unit for detecting whether or not the thermal line is short-circuited and outputting the result to the control unit;
Generating the hot line temperature signal based on the detected temperature, generating the hot line check signal based on the output of the hot line check unit, and outputting the power supply signal based on at least one of the hot line control signal and the detected temperature A control unit for generating the control signal;
A heating wire control unit for controlling supply of the commercial AC power to the heating wire according to the power supply signal; And
Wherein the control unit controls the DC supply voltage based on at least one of the hot line temperature signal and the hot line check signal to transmit at least one of the hot line temperature signal and the hot line check signal to the regulator, And a communication unit for extracting the temperature of the heating mat. 3. The method of claim 2,
Wherein,
Further extracting a transmission start signal for confirming whether or not a signal is transmitted from the regulator at the DC supply voltage, and outputting the extracted transmission start signal to the controller,
Wherein,
Wherein the controller starts checking the control signal received from the regulator when the transmission start signal is extracted. The method according to claim 1,
The regulator,
And a controller for receiving the DC supply voltage through the wire, extracting at least one of the hot wire temperature signal and the hot wire check signal from the DC supply voltage, down converting the DC supply voltage based on the hot wire control signal, A communication unit for transmitting a signal to the main body;
A power supply unit for reducing the DC supply voltage to generate the operation voltage;
A display unit for displaying a temperature associated with a hot-wire temperature indicated by the hot-wire temperature signal;
A user interface unit receiving the function operation signal from a user; And
And a control unit for adjusting the set temperature based on the inputted function operation signal, generating the hot-wire control signal based on the function operation signal, and controlling the hot-wire temperature indicated by the hot-wire temperature signal to be displayed Temperature control system for heating mat or heating bed. 5. The method of claim 4,
Wherein,
A resistor R75 whose one end is connected to the wire;
The collector terminal is connected to the other side of the resistor R75 and the heating wire control signal is inputted through the base terminal and the emitter terminal is grounded or connected to the ground circuit. );
A condenser (C26) having one side connected to the wired line and extracting at least one of the hot line temperature signal and the hot line check signal; And
A base terminal is connected to the other side of the capacitor C26 and an output of a collector terminal is connected to the control unit through an emitter terminal, (Q18) for controlling the temperature of the heating bed.

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