WO2011006299A1

WO2011006299A1 - Control circuit for eliminating standby power consumption of power source of appliance capable of being switched by infrared remote control

Info

Publication number: WO2011006299A1
Application number: PCT/CN2009/072781
Authority: WO
Inventors: 霍为民; 眭海燕
Original assignee: Huo Weimin; Sui Haiyan
Priority date: 2009-07-15
Filing date: 2009-07-15
Publication date: 2011-01-20
Also published as: CN202795223U

Abstract

A control circuit for eliminating standby power consumption of power source of appliance capable of being switched by infrared remote control comprises: a control unit, an infrared remote control signal receiver connecting unit, an infrared remote control signal transmitting unit, a switching unit for the power source of the controlled appliance, and a power supply unit. The control circuit for eliminating power source standby power consumption of appliance capable of being switched by infrared remote control, via detecting of the received infrared remote control signal, judges whether the controlled appliance enters a standby status or it is within the standby status and needed to be turned-on, and turns-off the power source of the controlled appliance after it entered the standby status; turns-on the power source of the controlled appliance when it is within the standby status and needs to be turned-on, and transmits a turn-on signal to a infrared remote control signal receiving port of the controlled appliance to turn-on the controlled appliance after the power source completed the pre-heating, and thereby realizes the elimination of standby power consumption of the power source of the appliance capable of being switched by infrared remote control.

Description

A control circuit for eliminating standby power consumption of an infrared remote control electric appliance

[1] Technical field

[2] The present invention relates to a power supply for an infrared remote control switchgear, and more particularly to a control circuit for eliminating standby power consumption of an infrared remote control switchgear.

[3] Background Art

[4] For the electric appliance with infrared remote control switch, in order to ensure the next infrared remote control start after the remote control is turned off, the power supply of the electric appliance still needs to maintain the power supply of the infrared remote control signal receiving part and the control part of the electric appliance, and the power supply cannot be completely turned off. Part of the power consumption is the standby power consumption of this type of electrical power supply. Devices that eliminate the power consumption of such electrical appliances can save energy and protect the environment. The existing way to reduce the standby power consumption of such electrical power supplies is achieved by improving the power supply circuit design and reducing the power consumption of the device. However, in order to ensure the normal operation of the appliance, reducing the standby power consumption of the power supply will encounter the limit value of the power supply itself. As long as the power supply is still operating, its standby power consumption cannot be lower than its own base power consumption.

[5] Summary of the invention

[6] The present invention is directed to solving the above problems, and provides a method for determining that a controlled electrical appliance enters a standby state by detecting the received infrared remote control signal or needs to be turned on in a standby state, and is turned off after the controlled electrical appliance enters a standby state. The power of the controlled appliance; in the standby state, it needs to be turned on, the power of the controlled appliance is turned on, and after the power supply is warmed up, the power-on signal is transmitted to the infrared remote control signal receiving port of the controlled appliance to turn on the controlled appliance to eliminate the infrared remote control. Switching electrical power supply standby power consumption. Since this circuit only needs to maintain low-power circuits such as control units, its own power consumption can be significantly lower than the standby power consumption of the controlled electrical power supply. In the actual test, the power consumption of this circuit is less than 20 mW, which can be reduced by up to 99% compared with the standby power consumption of the existing controlled electrical power supply of 2.5 to 8 watts, thereby effectively reducing the standby power of the controlled electrical appliance. Power consumption.

[7] In order to achieve the above object, a control circuit for eliminating standby power consumption of an infrared remote control switch power supply is provided, characterized in that it comprises: a control unit consisting of a control chip and its peripheral circuits; An infrared remote control signal receiving device connecting unit, which is connected with the control unit, the infrared remote control signal transmitting unit, and the infrared remote control signal receiving device of the controlled appliance; and an infrared remote control a signal transmission unit, which is connected to the control unit, the infrared remote control signal receiving device connecting unit, the infrared remote control signal receiving port of the controlled electrical appliance; and a switching unit controlled by the electrical power source; and the control unit, The power of the controlled electrical appliance is connected; and the power supply unit is connected to the external power supply to supply power to the entire control circuit.

[8] The infrared remote control signal receiving device connecting unit is composed of a signal transmitting circuit and an infrared remote control signal receiving device power supply circuit.

[9] The infrared remote control signal receiving device connecting unit, the signal transmitting circuit is configured to transmit an infrared remote control signal,

The control unit is configured to receive the infrared remote control signal, and determine that the controlled electrical appliance needs to be turned off or turned on; the infrared remote control signal receiving device power supply circuit is used to be in the standby state of the controlled electrical appliance, and the controlled electrical appliance is turned off and cannot be controlled by the controlled electrical appliance. The infrared remote control signal receiving device supplies power to the infrared remote control signal receiving device.

[10] The infrared remote control signal receiving device connecting unit, when the DC low voltage end of the control circuit and the DC low voltage end of the controlled electrical device are co-located, the signal transmission circuit and the infrared remote control signal receiving device power supply circuit are directly electrically connected; The DC low-voltage end of the control circuit is not shared with the DC low-voltage end of the controlled device. The signal transmission circuit is a photoelectric coupling circuit, a capacitor circuit or a mutual inductance circuit for isolating and transmitting signals; the infrared remote control signal receiving device power supply circuit is used for isolation power supply. Mutual inductance inductance circuit.

[11] The infrared remote control signal transmission unit is used by the control unit to transmit the received infrared remote control signal to the infrared remote control signal receiving port of the controlled appliance; when the DC low voltage end of the control circuit and the DC low voltage end of the controlled appliance In common, the infrared remote control signal transmission unit is a direct electrical connection; when the DC low voltage end of the control circuit is not shared with the DC low voltage end of the controlled electrical device, the infrared remote control signal transmission unit is an optocoupler circuit for isolating and transmitting signals, Capacitor circuit or mutual inductance circuit.

[12] The switch unit of the controlled electrical power source is used to turn off the power of the controlled electrical appliance after the controlled electrical appliance is turned off, and to turn on the power of the controlled electrical appliance after the power is turned on.

[13] The switching unit of the controlled electrical power source is turned on or off by an external power input loop of the controlled electrical power source, or by turning on or off the DC loop rectified by the controlled electrical power source, or by turning on or off. The DC circuit of the controlled electrical power source is filtered, or the power supply circuit of the controlled electrical power control chip is turned on or off to turn on or off the power of the controlled electrical appliance; The switching devices used in the switching unit of the source are relays, thyristors, crystal switching devices or unidirectional crystal switching devices and bridge rectifier circuits.

[14] The switching unit of the controlled electrical power supply has an independent power supply circuit to provide a driving current for the switching device to turn on, and the power supply circuit is also turned off when the switching device is turned off.

[15] In order to achieve the above object, a control circuit for eliminating standby power consumption of an infrared remote control switch power supply is provided, which is characterized in that it comprises: a control unit, which is composed of a control chip and its peripheral circuits; An infrared remote control signal receiving device connecting unit, which is connected with the control unit and the infrared remote control signal receiving device of the controlled appliance; and an infrared remote control signal transmitting unit, which is infra-red with the control unit and the controlled appliance The remote control signal receiving port is connected; and a switch unit controlled by the electrical power source; and the control unit and the controlled electrical power source are connected; and the power supply unit is connected to the external power source to supply power to the entire control circuit.

[16] The infrared remote control signal receiving device connecting unit is composed of a signal transmitting circuit and an infrared remote control signal receiving device power supply circuit.

[17] The infrared remote control signal receiving device connecting unit, the signal transmitting circuit is configured to transmit an infrared remote control signal,

[18] The infrared remote control signal receiving device connecting unit, when the DC low voltage end of the control circuit is co-located with the DC low voltage end of the controlled electrical device, the signal transmission circuit and the infrared remote control signal receiving device power supply circuit are directly electrically connected; The DC low-voltage end of the control circuit is not shared with the DC low-voltage end of the controlled device. The signal transmission circuit is a photoelectric coupling circuit, a capacitor circuit or a mutual inductance circuit for isolating and transmitting signals; the infrared remote control signal receiving device power supply circuit is used for isolation power supply. Mutual inductance inductance circuit.

[19] The infrared remote control signal transmission unit is used by the control unit to transmit the received infrared remote control signal to the infrared remote control signal receiving port of the controlled appliance; when the DC low voltage end of the control circuit and the DC low voltage end of the controlled device In common ground, the infrared remote control signal transmission unit is a direct electrical connection; when the DC low voltage end of the control circuit is not shared with the DC low voltage end of the controlled electrical device, the infrared remote control signal transmission unit is used for An optocoupler circuit, a capacitor circuit or a mutual inductance circuit that isolates and transmits signals.

[20] The switch unit of the controlled electrical power source is used to turn off the power of the controlled electrical appliance after the controlled electrical appliance is turned off, and to turn on the power of the controlled electrical appliance after the power is turned on.

[21] The switching unit of the controlled electrical power source is turned on or off by an external power input loop of the controlled electrical power source, or by turning on or off the DC loop rectified by the controlled electrical power source, or by turning on or off. The DC circuit of the controlled electrical power source is filtered, or the power supply circuit of the controlled electrical power control chip is turned on or off to turn on or off the power of the controlled electrical appliance; the switching device used by the switching unit of the controlled electrical power source is a relay, which is controllable Silicon, crystal switching devices or unidirectional crystal switching devices and bridge rectifier circuits.

[22] The switching unit of the controlled electrical power source has an independent power supply circuit to provide a driving current for the switching device to be turned on, and the power supply circuit is also turned off when the switching device is turned off.

[23] In order to achieve the above object, a control circuit for eliminating standby power consumption of an infrared remote control switch power supply is provided, which is characterized in that it comprises: a control unit which is composed of a control chip and its peripheral circuits; An infrared remote control signal receiving unit, and the control unit; and an infrared remote control signal transmitting unit, which is connected to the control unit and the infrared remote control signal receiving port of the controlled appliance; and a controlled electrical power source A switching unit, which is connected to the control unit, is controlled by a power source of the appliance; and a power supply unit that is connected to the external power source to supply power to the entire control circuit.

[24] The infrared remote control signal receiving unit is configured to receive an infrared remote control signal to determine that the controlled electrical appliance needs to be turned off or turned on.

[25] The infrared remote control signal transmission unit is used by the control unit to transmit the received infrared remote control signal to the infrared remote control signal receiving port of the controlled appliance; when the DC low voltage end of the control circuit and the DC low voltage end of the controlled appliance In common, the infrared remote control signal transmission unit is a direct electrical connection; when the DC low voltage end of the control circuit is not shared with the DC low voltage end of the controlled electrical device, the infrared remote control signal transmission unit is an optocoupler circuit for isolating and transmitting signals, Capacitor circuit or mutual inductance circuit.

[26] The switch unit of the controlled electrical power source is used to turn off the control electric power after the controlled electric appliance is turned off, and turn on the power of the controlled electric appliance after the power is turned on.

[27] The switching unit of the controlled electrical power source passes through an external power input loop that turns on or off the power of the controlled appliance, or turns on or off the DC loop after the power of the controlled electrical appliance is rectified, or Turning on or off the DC circuit after being filtered by the control appliance power supply, or turning on or off the power supply loop of the controlled appliance power supply control chip to turn on or off the power of the controlled appliance; the switching device used by the switch unit of the controlled appliance power supply It is a relay, a thyristor, a crystal switching device or a unidirectional crystal switching device and a bridge rectifier circuit.

[28]

The switching unit of the controlled electrical power source has an independent power supply circuit to provide a driving current for the switching device to turn on, and the power supply circuit is also turned off when the switching device is turned off.

[29] The control unit consists of the control chip and its peripheral circuits. The function is to detect whether the shutdown signal is detected by the received infrared remote control signal when the controlled electric appliance is in a normal working state, and if no shutdown signal is used, no further action is performed; if the shutdown signal is received, the controlled appliance is shut down and waiting for the control device to be turned off. After the standby state, the control turns off the power of the controlled appliance. When the control unit is connected with the button of the controlled electric appliance manual switch machine, after the controlled electric appliance is in the normal working state, after detecting that the manual switch machine button is pressed, waiting for the controlled electric appliance to be turned off to enter the standby state, the control is closed and controlled. Electrical power supply.

[30] When the controlled electric appliance is in the standby state, it is judged whether it is the power-on signal by detecting the received infrared remote control signal, and if it is not the power-on signal, no further action is performed; if it is the power-on signal, the power of the controlled electrical appliance is turned on, and After waiting for the controlled appliance to be turned on and completing the warm-up, the received infrared remote control signal is transmitted to the infrared remote control signal receiving port of the controlled appliance via the infrared remote control signal transmitting unit to turn on the controlled appliance. When the control unit is connected to the controlled electric appliance manual switch button, when the controlled electric appliance is in the standby state, after detecting that the manual switch machine button is pressed, the controlled appliance power is turned on, and waiting for the controlled appliance to be turned on and After the preheating is completed, the manual start signal is transmitted to the manual switch button port of the controlled appliance to turn on the controlled appliance.

[31] The switch unit of the controlled electrical power supply is controlled by the control unit to turn on or off the control electrical power supply. The switch unit of the controlled electrical power source can input current by turning on or off the external power source of the controlled electrical power source; or rectifying the DC loop current by turning on or off the rectifier circuit of the controlled electrical power source; by turning on or off the controlled electric appliance The filter circuit of the power supply filters the DC loop current; or turns on or off the power of the controlled appliance by turning on or off the power supply of the power control chip of the controlled appliance. The switching device used by the switching unit of the controlled electrical power source may be a relay, a thyristor, a crystal switching device or a unidirectional crystal switching device and a bridge rectifier circuit. [32] The contribution of the present invention is that it overcomes the drawback of the conventional method of reducing the standby power consumption of the infrared remote control switch electric appliance, which is difficult to effectively reduce the standby power consumption, and can be added to the standby state by the controlled electric appliance by adding one to the original power supply. After that, the power is turned off, and the low-power control circuit for standby operation is replaced; thereby effectively reducing the standby power consumption of the infrared remote control switch power supply.

[33] BRIEF DESCRIPTION OF THE DRAWINGS

1 is a block diagram showing the structure of an implementation of the present invention.

2 is a block diagram showing the structure of an implementation of the present invention.

Figure 3 is a block diagram showing the structure of an implementation of the present invention.

4 is a structural block diagram of an implementation of the present invention.

Figure 5 is a circuit schematic diagram of an implementation of the present invention.

6 is a circuit schematic diagram of an implementation of the present invention.

Figure 7 is a circuit schematic diagram of a typical electrical power supply of the present invention.

[41] Specific implementation

[42] The control circuit for eliminating the standby power consumption of the infrared remote control switch power supply of the present invention is for reducing the standby power consumption of the red remote control switch power supply.

[43] As shown in FIG. 1 and FIG. 5, the infrared remote control signal receiving device 71 of the controlled appliance is connected to the infrared remote control signal receiving port 72 of the controlled appliance; the infrared remote control signal receiving device connecting unit 20 and the infrared remote control signal transmitting unit 30 The infrared remote control signal receiving device connecting unit 20 and the infrared remote control signal transmitting unit ₃₀ are respectively connected to the control unit 10. When the controlled electric appliance is in a normal power-on state, the infrared remote control signal receiving device 71 of the controlled electric appliance is powered by the controlled electric appliance, and the infrared remote control signal receiving device of the infrared remote control signal receiving device connecting unit 20 is powered off by the infrared remote control signal to the controlled electric appliance. The power of the signal receiving device 71 is supplied. The infrared remote control signal received by the infrared remote control signal receiving device 71 of the controlled appliance is transmitted to the controlled appliance and to the control unit 10 via the signal transmission circuit 21 of the infrared remote control signal receiving device connecting unit 20. The control unit 10 compares the received infrared remote control signal with the infrared remote control shutdown signal in the pre-existing control chip 11, and determines that it is not the shutdown signal, and does not perform further operations; if it is determined to be the shutdown signal, the control unit 10 After waiting for the time required for the controlled appliance in the pre-existing control chip 11 to be turned off to enter the standby state, the control switch unit 40 turns off the controlled appliance power supply 80 to eliminate its standby power consumption. [44] As shown in Figures 1 and 5, when the controlled appliance is in the standby state, the controlled appliance power supply 80 is turned off.

The controlled appliance does not supply power to the infrared remote control signal receiving device 71 of the controlled appliance. The control unit 10 controls the infrared remote control signal receiving device power supply circuit 22 of the infrared remote control signal receiving device connecting unit 20 to supply power to the infrared remote control signal receiving device 71 of the controlled appliance after the controlled appliance power source 80 is turned off. The infrared remote control signal received by the infrared remote control signal receiving device 71 of the controlled device is transmitted to the control unit 10 via the signal transmission circuit 21 of the infrared remote control signal receiving device connection unit 20. The control unit 10 compares the received infrared remote control signal with an infrared remote start signal in the pre-existing control chip 11 or other signal (such as a TV channel number and the like) that can turn on the controlled appliance, and determines that the power is not required to be turned on. No further operation is performed; if it is determined that the power is turned on, the control unit 10 controls the switch unit 40 to turn on the controlled electrical power source 80; after waiting for the time required for the pre-existing control device in the control chip 11 to complete the warm-up, the control chip 11 The infrared remote start signal or other signal that can turn on the controlled appliance is transmitted to the infrared remote control signal receiving port 72 of the controlled appliance through the infrared remote control signal transmitting unit 30 to turn on the controlled appliance.

[45] As shown in FIG. 2, the infrared remote control signal receiving device 71 of the controlled appliance is not connected to the infrared remote control signal receiving port 72 of the controlled appliance; the infrared remote control signal receiving device connecting unit 20 is not in contact with the infrared remote control signal transmitting unit 30. The infrared remote control signal receiving device connecting unit 20 and the infrared remote control signal transmitting unit 30 are respectively connected to the control unit 10. When the controlled electric appliance is in a normal power-on state, the infrared remote control signal receiving device 71 of the controlled electric appliance is powered by the controlled electric appliance, and the infrared remote control signal receiving device of the infrared remote control signal receiving device connecting unit 20 is powered off by the infrared remote control signal to the controlled electric appliance. The power of the signal receiving device 71 is supplied. The infrared remote control signal received by the infrared remote control signal receiving device 71 of the controlled appliance is transmitted to the control unit 10 via the signal transmission circuit 21 of the infrared remote control signal receiving device connecting unit 20. The control unit 10 first transmits the received infrared remote control signal to the infrared remote control signal receiving port 72 of the controlled appliance via the infrared remote control signal transmitting unit 30; and then receives the received infrared remote control signal and the infrared in the pre-existing control chip 11. The remote control shutdown signal is compared, and if it is determined that it is not the shutdown signal, no further operation is performed; if it is determined to be the shutdown signal, the control unit 10 waits for the controlled electrical device pre-existing in the control chip 11 to be turned off and enters the standby state. After that, the control switch unit 40 turns off the controlled appliance power supply 80 to eliminate its standby power consumption.

[46] As shown in Fig. 2, when the controlled appliance is in the standby state, since the controlled appliance power supply 80 is turned off, The control appliance does not supply power to the infrared remote control signal receiving device 71 of the controlled appliance. After the controlled appliance power supply 80 is turned off, the control unit 10 controls the infrared remote control signal receiving device power supply circuit 22 of the infrared remote control signal receiving device connecting unit 20 to supply power to the infrared remote control signal receiving device 71 of the controlled appliance. The infrared remote control signal received by the infrared remote control signal receiving device 71 of the controlled appliance is transmitted to the control unit 10 via the signal transmission circuit 21 of the infrared remote control signal receiving device connection unit 20. The control unit 10 compares the received infrared remote control signal with an infrared remote start signal in the pre-existing control chip 11 or other signal (such as a TV channel number and the like) that can turn on the controlled appliance, and determines that the power is not required to be turned on. No further operation is performed; if it is determined that the power is turned on, the control unit 10 controls the switch unit 40 to turn on the controlled electrical power source 80; after waiting for the time required for the pre-existing control device in the control chip 11 to complete the warm-up, the control chip 11 The infrared remote start signal or other signal that can turn on the controlled appliance is transmitted to the infrared remote control signal receiving port 72 of the controlled appliance through the infrared remote control signal transmitting unit 30 to turn on the controlled appliance.

[47] As shown in FIG. 3, the infrared remote control signal receiving device 71 of the controlled appliance is not connected to the infrared remote control signal receiving port 72 of the controlled appliance; the infrared remote control signal receiving device connecting unit 20 is connected to the infrared remote control signal transmitting unit 30. The infrared remote control signal receiving device connecting unit 20 and the infrared remote control signal transmitting unit ₃₀ are respectively connected to the control unit 10. When the controlled electric appliance is in a normal power-on state, the infrared remote control signal receiving device 71 of the controlled electric appliance is powered by the controlled electric appliance, and the infrared remote control signal receiving device of the infrared remote control signal receiving device connecting unit 20 supplies the power supply circuit 22 to turn off the infrared of the controlled electric appliance. The power of the remote control signal receiving device 71 is supplied. The infrared remote control signal received by the infrared remote control signal receiving device 71 of the controlled electrical device is transmitted to the control unit 10 via the signal transmission circuit 21 of the infrared remote control signal receiving device connecting unit 20, and the infrared remote control signal is also transmitted through the infrared The infrared remote control signal transmitting unit 30 to which the signal transmitting circuit 21 of the remote control signal receiving device connecting unit 20 is connected is transmitted to the infrared remote control signal receiving port 72 of the controlled appliance. The control unit 10 first compares the received infrared remote control signal with the infrared remote control shutdown signal pre-existing in the control chip 11, and determines that it is not the shutdown signal, and does not perform further operations; if it is determined to be the shutdown signal, the control unit 10 will wait for the time required for the controlled appliance in the pre-existing control chip 11 to be turned off to enter the standby state, and the control switch unit 40 turns off the controlled appliance power supply 80 to eliminate its standby power consumption.

[48] As shown in Fig. 3, when the controlled appliance is in the standby state, since the controlled appliance power supply 80 is turned off, The control appliance does not supply power to the infrared remote control signal receiving device 71 of the controlled appliance. After the controlled appliance power supply 80 is turned off, the control unit 10 controls the infrared remote control signal receiving device power supply circuit 22 of the infrared remote control signal receiving device connecting unit 20 to supply power to the infrared remote control signal receiving device 71 of the controlled appliance. The infrared remote control signal received by the infrared remote control signal receiving device 71 of the controlled appliance is transmitted to the control unit 10 via the signal transmission circuit 21 of the infrared remote control signal receiving device connection unit 20. The control unit 10 compares the received infrared remote control signal with an infrared remote start signal in the pre-existing control chip 11 or other signal (such as a TV channel number and the like) that can turn on the controlled appliance, and determines that the power is not required to be turned on. No further operation is performed; if it is determined that the power is turned on, the control unit 10 controls the switch unit 40 to turn on the controlled electrical power source 80; after waiting for the time required for the pre-existing control device in the control chip 11 to complete the warm-up, the control chip 11 The infrared remote start signal or other signal that can turn on the controlled appliance is transmitted to the infrared remote control signal receiving port 72 of the controlled appliance through the infrared remote control signal transmitting unit 30 to turn on the controlled appliance.

[49] As shown in FIG. 4 and FIG. 6, the infrared remote control signal receiving device 71 of the controlled appliance is connected to the infrared remote control signal receiving port 72 of the controlled appliance;

The infrared remote control signal receiving unit 60 is not connected to the infrared remote control signal transmitting unit 30; the infrared remote control signal receiving unit ₆₀ and the infrared remote control signal transmitting unit ₃₀ are respectively connected to the control unit 10. The infrared remote control signal receiving unit ₆₀ requires the device to be in the same position as the infrared remote control signal receiving device 71 of the controlled appliance, and receives the infrared remote control signal simultaneously with the infrared remote control signal receiving device 71 of the controlled appliance. In this implementation, since the control circuit has an independent infrared remote control signal receiving unit 60; therefore, the infrared remote control signal receiving device 71 of the controlled appliance is not powered by the control device after entering the standby state. The infrared remote control signal received by the infrared remote control signal receiving device 71 of the controlled appliance is transmitted to the infrared remote control signal receiving port 72 of the controlled appliance connected thereto; the infrared remote control signal receiving unit 60 simultaneously receives the infrared remote control signal It will be passed to the control unit 10. The control unit 10 compares the received infrared remote control signal with the infrared remote control shutdown signal in the pre-existing control chip 11, and determines that it is not the shutdown signal, and does not perform further operations; if it is determined to be the shutdown signal, the control unit 10 After waiting for the time required for the controlled appliance in the pre-existing control chip 11 to be turned off to enter the standby state, the control switch unit 40 turns off the controlled appliance power supply 80 to eliminate its standby power consumption.

[50] As shown in Fig. 4 and Fig. 6, when the controlled appliance is in the standby state, since the controlled appliance power supply 80 is turned off The controlled appliance does not supply power to the infrared remote control signal receiving device 71 of the controlled appliance. The infrared remote control signal received by the infrared remote control signal receiving unit ₆₀ is transmitted to the control unit 10. The control unit 10 compares the received infrared remote control signal with an infrared remote start signal in the pre-existing control chip 11 or other signal (such as a TV channel number and the like) that can turn on the controlled appliance, and determines that the power is not required to be turned on. No further operation is performed; if it is determined that the power is turned on, the control unit 10 controls the switch unit 40 to turn on the controlled electrical power source 80; after waiting for the time required for the pre-existing control device in the control chip 11 to complete the warm-up, the control chip 11 The infrared remote start signal or other signal that can turn on the controlled appliance is transmitted to the infrared remote control signal receiving port 72 of the controlled appliance through the infrared remote control signal transmitting unit 30 to turn on the controlled appliance.

[51] As shown in FIG. 5 and FIG. 6, the manual switch button 101 of the controlled appliance is not connected to the manual switch button port 102 of the controlled appliance;

The manual switch button connecting unit 110 is not connected to the manual switch button signal transmitting unit 120; the manual switch button connecting unit 110 and the manual switch button signal transmitting unit 120 are connected to the control unit 10. When the controlled electric appliance is in a normal working state, the control unit 10 detects that the manual power switch button 101 is pressed, and transmits the manual power switch button shutdown signal to the manual switch of the controlled appliance via the manual switch button signal transmitting unit 120. The machine button port 102; after the control unit 10 waits for the time required for the controlled appliance in the pre-existing control chip 11 to be turned off to enter the standby state, the control switch unit 40 turns off the controlled appliance power supply 80 to eliminate its standby power consumption.

[52] As shown in FIG. 5 and FIG. 6, when the controlled appliance is in the standby state, the control unit 10 detects that the manual switch button 101 is pressed, then turns on the controlled appliance power supply 80; waits for the pre-existing control chip 11 After the controlled appliance completes the required warm-up period, the control chip 11 transmits the manual power-on button turn-on signal to the manual switch-on button port 102 of the controlled appliance via the manual switch-on button signal transmission unit 120 to turn on the controlled appliance. .

[53] When the manual switch button 101 of the controlled appliance is connected to the manual switch button 102 of the controlled appliance, when the controlled appliance is in the normal working state, the manual switch button 101 is pressed, and the manual switch is turned on. The button signal is transmitted to the manual switch button 102 of the controlled appliance; when the peer control unit 10 detects that the manual switch button 101 is pressed, it waits for the controlled appliance in the pre-existing control chip 11 to be turned off and enters the standby state. After the time is required, the control switch unit 40 turns off the controlled electrical power source 80, To eliminate its standby power consumption. After the controlled appliance is in the standby state, the control unit 10 detects that the manual switch button 101 is pressed, then turns on the controlled appliance power supply 80; waits for the pre-existing controllable electrical component in the control chip 11 to complete the preheating required time Thereafter, the control chip 11 transmits the manual power on/off signal of the switch to the manual switch button 102 of the controlled appliance via the manual switch button signal transmitting unit 120.

To turn on the controlled appliance.

[54] As shown in Fig. 5 and Fig. 6, the detection of whether the manual switch button 101 of the controlled appliance is pressed can be realized by detecting whether the circuit of the manual switch button 101 of the controlled appliance is turned on. A capacitor circuit 111 connected to both ends of the manual switch button 101 of the controlled appliance is used as shown in Figs. 5 and 6. The capacitor circuit 111 is supplied with a pulse signal by the control unit 10, and when the manual switch machine of the controlled appliance is pressed by the button 101, the tantalum capacitor circuit 111 is turned on, and the control unit 10 receives the return pulse signal, thereby being judged.

[55] For the transmission of the infrared remote control signal and the manual switch machine key signal, in the control circuit and the DC low voltage end of the controlled circuit power supply, the direct electrical connection can be used; in the control circuit and the controlled circuit power supply DC low voltage The terminal does not have a common ground, and an optocoupler circuit, a capacitor circuit or a mutual inductance circuit that isolates and transmits signals can be used. The photocoupler devices 211, 31, 121 shown in Figs. 5 and 6 are transmitted by signals.

[56] The control infrared remote control signal receiving device connecting unit 20 is composed of a signal transmitting circuit 21 and an infrared remote control signal receiving device power supply circuit 22; the signal transmitting circuit 21 is for transmitting an infrared remote control signal; and the infrared remote control signal receiving device power supply circuit 22 is for The controlled appliance is in the standby state, and the controlled appliance power source 80 is turned off. The infrared remote control signal receiving device 71 of the controlled appliance cannot be powered, and the infrared remote control signal receiving device 71 is powered by the infrared remote control signal receiving device 71. In the present control circuit and the DC low voltage terminal of the controlled circuit power supply, the infrared remote control signal receiving device power supply circuit 22 can use a direct electrical connection. In the control circuit and the DC low voltage terminal of the controlled circuit power supply, the infrared remote control signal receiving device power supply circuit 22 can use the mutual inductance circuit. As shown in FIG. 5, the infrared remote control signal receiving device power supply circuit 22 is provided with an oscillating power supply by the control chip 11, and the induced current of the mutual inductance inductor T2 is supplied to the infrared remote control signal receiving device 71.

[57] For the controlled electrical power supply to start preheating, it depends on the specific application of the controlled electrical power supply.

Each controlled electrical power supply has its relatively fixed preheating time, typically between 1 and 3 seconds. In addition, there is Power in the power of the controlled appliance. Ready bow | In the case of the foot, by detecting the power of the controlled appliance power

Ready pin, to determine whether the power of the controlled appliance is warmed up. Waiting for the controlled electrical power supply to warm up, because the power supply to the controlled electrical appliance is unstable after the preheated power supply of the controlled electrical appliance is not completed, and the controlled electrical appliance has not entered a stable working state; The infrared remote control signal transmission unit 30 transmits the infrared remote control signal to the infrared remote control signal receiving port 72 of the controlled appliance, or transmits the manual shutdown button signal to the controlled appliance through the manual shutdown button signal transmission unit 120. Manually shutting down the button 102 of the controlled appliance may not be received correctly and the controlled appliance cannot be turned on.

[58] As shown in Fig. 7, the switching unit 40 of the controlled electrical power source is controlled by the control unit 10 to control the power supply 80 of the controlled electrical appliance, and is composed of the switching device and its driving circuit. The control of the controlled electrical power source 80 can be performed by turning on or off the external power input circuit 81 of the controlled electrical power source; or by turning on or off the DC circuit 82 after being rectified by the controlled electrical power source; or by being turned on or off. The DC circuit 83 is controlled after the electrical power source is filtered; or the controlled electrical power source 80 is turned on or off by turning on or off the power supply circuit 84 of the controlled electrical power control chip.

[59] The switching device used by the control unit of the controlled electrical power supply 40 can be a relay, a thyristor, a crystal switching device or a one-way crystal switching device and a bridge rectifier circuit.

[60] As shown in FIG. 5 and FIG. 6, in order to reduce the power consumption of the control circuit when the computer is in the off state, the switching unit 40 of the controlled electrical power source may have an independent power supply circuit 41 to provide the switching device. The driving current of 幵启吋 is also turned off when the switching device is turned off.

[61] Conventional devices can be used for the devices used in the various units described above.

[02] Although the present invention has been disclosed by the above embodiments, the scope of the present invention is not limited thereto.

The above components may be replaced by similar or equivalent elements known to those skilled in the art without departing from the inventive concept.

Claims

Claim

[1] 1. A control circuit for eliminating standby power consumption of an infrared remote control switch power supply, characterized in that it comprises:

a control unit (10) consisting of a control chip (11) and its peripheral circuits;

An infrared remote control signal receiving device connecting unit (20), and the control unit (10)

, an infrared remote control signal transmission unit (30), and an infrared remote control signal receiving device (71) of the controlled appliance are connected;

An infrared remote control signal transmission unit (30), which is associated with the control unit (10)

The infrared remote control signal receiving device connecting unit (20) and the infrared remote control signal receiving port (72) of the controlled electrical device are connected;

a switching unit (40) for controlling the power of the appliance; it is connected to the control unit (10) and the controlled appliance power supply (80);

A power supply unit (50) that is connected to an external power supply (90) to power the entire control circuit.

2. The control circuit for eliminating standby power consumption of an infrared remote control switch power supply according to claim 1, wherein said infrared remote control signal receiving device connection unit (20) is provided by a signal transmission circuit (21) And an infrared remote control signal receiving device power supply circuit (22).

3. The control circuit for eliminating the standby power consumption of the infrared remote control switch power supply according to claim 1, wherein the infrared remote control signal receiving device connecting unit (20) and the signal transmitting circuit (21) are used. To transmit infrared remote control signals,

The control unit (10) is configured to receive the infrared remote control signal, and determine that the controlled electrical appliance needs to be turned off or turned on; the infrared remote control signal receiving device power supply circuit (22) is used to be in the standby state of the controlled electrical appliance, and the controlled electrical power source (80) ) is turned off and cannot supply power to the infrared remote control signal receiving device (71) of the controlled appliance, and is powered by the infrared remote control signal receiving device συ.

4. The control circuit for eliminating standby power consumption of an infrared remote control switch power supply according to claim 1, wherein said infrared remote control signal receiving device connection unit (20) is used as a DC low voltage terminal of the control circuit The signal transmission circuit (21) and the infrared remote control signal receiving device power supply circuit (22) are directly electrically connected to the DC low voltage end of the controlled electrical device; when the DC low voltage end of the control circuit and the DC low voltage end of the controlled electrical device are not common吋, the signal transmission circuit (21) is used for isolation And a photoelectric coupling circuit for transmitting signals, a capacitor circuit or a mutual inductance circuit; the infrared remote control signal receiving device power supply circuit ( ₂₂ ) is used for isolating the power supply inductance circuit.

5. The control circuit for eliminating standby power consumption of an infrared remote control switch power supply according to claim 1, wherein said infrared remote control signal transmission unit (30) is a control unit (10) for The received infrared remote control signal is transmitted to the infrared remote control signal receiving port (72) of the controlled appliance; when the DC low voltage end of the control circuit is co-located with the DC low voltage end of the controlled electrical device, the infrared remote control signal transmission unit ( ₃₀ ) is directly charged. When the DC low voltage end of the control circuit is not shared with the DC low voltage end of the controlled electrical device, the infrared remote control signal transmission unit (30) is a photoelectric coupling circuit, a capacitor circuit or a mutual inductance circuit for isolating and transmitting signals.

6. The control circuit for eliminating standby power consumption of an infrared remote control switch power supply according to claim 1, wherein said switch unit (40) of the controlled electrical power source is used to turn off after the controlled appliance is turned off. The controlled electrical power supply (80), after the power is turned on, turns on the power of the controlled electrical appliance (80).

7. The control circuit for eliminating standby power consumption of an infrared remote control switch power supply according to claim 1, wherein said switch unit (40) of said controlled electrical power source turns on or off the outside of said controlled electrical power source. The power input circuit (81), or the DC circuit (82) that is rectified by turning on or off the power of the controlled appliance, or the DC circuit (83) after being turned on or off by the power supply of the controlled appliance, or by turning on or off The power supply circuit (8 4) of the controlled electrical power control chip is used to turn on or off the controlled electrical power supply (80); the switching device used by the switching unit (40) of the controlled electrical power source is a relay, a thyristor, a crystal switching device. Or a unidirectional crystal switching device and a bridge rectifier circuit.

8. The control circuit for eliminating standby power consumption of an infrared remote control switch power supply according to claim 1, wherein the switch unit (40) of the controlled electrical power source has an independent power supply circuit to provide The switching device turns on the driving current of 吋, and the power supply circuit is also turned off when the switching device is turned off.

9. A control circuit for eliminating standby power consumption of an infrared remote control switch power supply, characterized in that it comprises:

a control unit (10) consisting of a control chip (11) and its peripheral circuits; An infrared remote control signal receiving device connecting unit (20) is connected to the control unit (10) and the infrared remote control signal receiving device (71) of the controlled appliance;

The infrared remote control signal receiving port (72) of the controlled appliance is connected; and

10. The control circuit for eliminating standby power consumption of an infrared remote control switchgear power supply according to claim 9, wherein said infrared remote control signal receiving device connecting unit (20) is provided by a signal transmitting circuit (21) And an infrared remote control signal receiving device power supply circuit (22).

11. The control circuit for eliminating the standby power consumption of the infrared remote control switch power supply according to claim 9, wherein the infrared remote control signal receiving device connecting unit (20) and the signal transmitting circuit (21) are used. To transmit infrared remote control signals,

12. The control circuit for eliminating standby power consumption of an infrared remote control switch power supply according to claim 9, wherein said infrared remote control signal receiving device connection unit (20) is used as a DC low voltage terminal of the control circuit The signal transmission circuit (21) and the infrared remote control signal receiving device power supply circuit (22) are directly electrically connected to the DC low voltage end of the controlled electrical device; when the DC low voltage end of the control circuit and the DC low voltage end of the controlled electrical device are not common信号, the signal transmission circuit (21) is a photoelectric coupling circuit for isolating and transmitting signals, a capacitance circuit or a mutual inductance circuit; the infrared remote control signal receiving device power supply circuit ( ₂₂ ) is used for isolating the power supply inductance circuit.

13. The control circuit for eliminating standby power consumption of an infrared remote control switch power supply according to claim 9, wherein said infrared remote control signal transmitting unit (30) is a control unit (10) for The received infrared remote control signal is transmitted to the infrared remote control signal receiving port (72) of the controlled appliance; when the DC low voltage end of the control circuit is co-located with the DC low voltage end of the controlled electrical device, the infrared remote control The signal transmission unit ( ₃₀ ) is a direct electrical connection; when the DC low voltage end of the control circuit is not shared with the DC low voltage end of the controlled electrical device, the infrared remote control signal transmission unit (30) is an optocoupler circuit for isolating and transmitting signals, Capacitor circuit or mutual inductance circuit.

14. The control circuit for eliminating the standby power consumption of the infrared remote control switch power supply according to claim 9, wherein the switch unit (40) of the controlled electrical power source is used in the controlled electric appliance. After shutting down, turn off the power of the controlled appliance (80), and turn on the power of the controlled appliance (80) when it needs to be turned on.

15. The control circuit for eliminating standby power consumption of an infrared remote control switch power supply according to claim 9, wherein the switch unit (40) of the controlled electrical power source turns on or off the controlled electric appliance. The external power input circuit of the power supply (81), or the DC circuit (82) after turning on or off the power of the controlled appliance, or the DC circuit (83) after being turned on or off by the power supply of the controlled appliance, or Turning on or off the power supply circuit (84) of the controlled electrical power control chip to turn on or off the controlled electrical power supply (80); the switching device used by the switching unit (40) of the controlled electrical power source is a relay, a thyristor, a crystal Switching devices or unidirectional crystal switching devices and bridge rectifier circuits.

16. The control circuit for eliminating standby power consumption of an infrared remote control switch power supply according to claim 9, wherein the switch unit (40) of the controlled electrical power source has an independent power supply circuit to provide The switching device turns on the driving current of 吋, and the power supply circuit is also turned off when the switching device is turned off.

17. A control circuit for eliminating standby power consumption of an infrared remote control switch power supply, characterized in that it comprises:

An infrared remote control signal receiving unit (60), and the control unit (10); and an infrared remote control signal transmitting unit (30), and the control unit (10), the infrared remote control signal of the controlled appliance The receiving port (72) is connected; and

a switch unit (40) for controlling the power supply of the appliance, which is connected to the control unit (10) and to the control appliance power supply (80);

A power supply unit (50) that is coupled to an external power source (90) to power the entire control circuit.

18. The control circuit for eliminating the standby power consumption of the infrared remote control switch power supply according to claim 17, wherein the infrared remote control signal receiving unit (60) is used by the control unit (10). Receiving the infrared remote control signal, judging that the controlled appliance needs to be shut down or turned on.

The control circuit for eliminating the standby power consumption of the infrared remote control switch power supply according to claim 17, wherein the infrared remote control signal transmission unit (30) is used by the control unit (10) Receiving the received infrared remote control signal to the infrared remote control signal receiving port (72) of the controlled appliance; when the DC low voltage end of the control circuit and the DC low voltage end of the controlled appliance are co-located, the infrared remote control signal transmission unit (30) is directly Electrical connection; When the DC low voltage end of the control circuit and the DC low voltage end of the controlled electrical device are not shared, the infrared remote control signal transmission unit (30) is a photoelectric coupling circuit, a capacitor circuit or a mutual inductance circuit for isolating and transmitting signals.

20. The control circuit as claimed in claim 17, wherein the switching unit (40) of the controlled electrical power source is used to turn off after the controlled appliance is turned off. Control the electrical power supply (80), turn on the power of the controlled appliance (800) when it needs to be turned on.

21. The control circuit as claimed in claim 17, wherein the switching unit (40) of the controlled electrical power source turns on or off the outside of the controlled electrical power source. The power input circuit (81), or the DC circuit (82) that is rectified by turning on or off the power of the controlled appliance, or the DC circuit (83) after being turned on or off by the power supply of the controlled appliance, or by turning on or off The power supply circuit (84) of the controlled electrical power control chip is used to turn on or off the controlled electrical power supply (80); the switching device used by the switching unit (40) of the controlled electrical power source is a relay, a thyristor, a crystal switching device or One-way crystal switching device and bridge rectifier circuit.

22. The control circuit for eliminating standby power consumption of an infrared remote control switch power supply according to claim 17, wherein the switch unit (40) of the controlled electrical power source has an independent power supply circuit to provide The switching device turns on the driving current of 吋, and the power supply circuit is also turned off when the switching device is turned off.