KR20090113985A - Automatic power control apparatus and method for power saving - Google Patents

Abstract

PURPOSE: An automatic power control device for power-saving and a method thereof are provided to prevent waste of electric energy by automatically turning off an electric device within a fixed space after a set time is passed. CONSTITUTION: An access detecting part(101) detects access of man passing each door. If an access detecting signal is inputted from the access detecting part, a first timer(102) outputs a first signal after a first set time is passed. A human body detecting part(103) detects the man within a fixed space. If a human body detecting signal is inputted from the human body detecting part, a second timer(104) outputs a second signal after a second set time is passed. A power off button(105) turns off a plurality of electric devices within the fixed space. If an off signal is inputted from the power off button, a third timer(106) outputs a third signal after a third set time is passed. A control part(107) turns on the electric device according to the human body detecting signal. The control part turns off the electric device according to the second signal and the third signal.

Description

AUTOMATIC POWER CONTROL APPARATUS AND METHOD FOR POWER SAVING}

The present invention relates to an automatic power control device and method for power saving, and in particular, by detecting the movement of the person in the room and the movement of the inside of the user to automatically turn on / off the electrical devices such as lights, fans, air conditioners to save power in the room The present invention relates to a power saving automatic power supply control apparatus and method.

As the industry develops, energy consumption is increasing rapidly. For example, the energy used for lighting reaches 20% of the electrical energy consumption, and the electrical energy consumption increases every year as various electric appliances are spread. This increase in energy consumption has a significant impact on the national economy as well as households and businesses.

Accordingly, efforts are being made to improve energy efficiency and induce energy saving at the national level. In particular, the lighting sector is producing a variety of products that can save electrical energy, and various technologies for energy saving are being applied to fluorescent lamps, which are lighting equipment used in the room.

For example, Korean Patent Nos. 0338055 and 0448053 operate automatically when there is heat movement due to human activity, and when the heat transfer disappears, that is, automatically stops operation when there is no human activity, saving energy and convenience of use. A power saving power control device having a sex is disclosed.

However, such a power control device has a difficulty in counting the number of occupants in the room, it is difficult to implement the device for this purpose. In addition, there is a problem in that the accuracy of the count is deteriorated, such as counting the number of people by the infrared sensor when the person transports the object by the number of persons. In addition, if you want to change the setting time of the timer for setting the operating time of the infrared sensor, there is a hassle of having to change the value of the internal resistance and the capacitor one by one. Furthermore, the relay used for power supply control has a large impact due to mechanical noise and relay operation, and there is a need to replace the relay when the load capacity is changed.

In addition, in Korean Patent Nos. 04545532 and 0532591, when a fuselage detection signal or a door open detection signal is received from a detection sensor, the lamp is automatically turned on and switched to a light-off sensor, and a fuselage detection signal or door opening detection is detected from the detection sensor. When a signal is received again, a power saving switch is disclosed to automatically turn off a lighting lamp and to switch the detection sensor to a lighting sensor, thereby reducing the wasted power by automatically turning on or off the lighting lamp as a person walks in and out. .

However, in the case of such a power saving switch, when an individual enters a specific space (or opens a door), an infrared sensor detects this and turns on a lighting lamp. In this case, the infrared sensor stops operation for a predetermined time and then operates again. When the person enters again (or opens the door), the infrared sensor detects this and turns off the lamp. This only applies to private spaces, such as toilets, that are accessed by one person. Therefore, it is impossible to apply in a room with a large number of entrance doors or a large space and many people frequently visit, and in particular, there is a problem in that the lighting is repeatedly turned on and off every time people enter and exit, resulting in waste of electrical energy.

Therefore, there has been a demand for a technology that can save power by automatically turning on / off the light easily and efficiently by accurately detecting the movement of people in the room as well as people in the room.

The present invention has been proposed to solve the above problems of the prior art, it detects a person entering the room with one or more doors to turn on the entrance light and when the person is detected inside the room electrical devices (eg lighting) The present invention provides a power saving automatic power control device and method for saving electric energy by turning on the power of the power supply and automatically turning off the power of the electric device when no person is detected for a certain time. There is a purpose.

In addition, the present invention by pressing the manual power off button when a person leaves the room after the predetermined time has elapsed to automatically turn off (OFF) the power of the electrical equipment in the room to prevent waste of electrical energy Another object is to provide a power saving automatic power control device and method.

Furthermore, the present invention provides a power saving automatic power control apparatus and method that can enhance energy saving and security by generating an alarm signal when a person is detected in a room or a fire occurs in a state where a person's entry through a door is not detected. There is another purpose to provide.

Automatic power control device for power saving according to the present invention for achieving the above object,

At least one entrance detecting unit installed near each of the at least one entrance doors in which entrance lights are installed and detecting entrance of a person through each entrance door; A first timer outputting a first signal when the access detection signal is input from the entrance detection unit and counting a first preset time and outputting the first signal when the count of the first preset time is completed; At least one human body sensing unit sensing a person inside the chamber; A second timer for counting a second preset time when the human body detecting signal is input from the human body detecting unit and outputting a second signal when the count of the second predetermined time is completed; A power off button for turning off a power of a plurality of electric devices arranged in the chamber; A third timer configured to count a preset third set time when an off signal is input from the power off button and output a third signal when the count of the third set time is completed; And an electrical connection with the access detecting unit, the access lamp, the human body detecting unit, the electric device, the power off button, and the first to third timers. When the access detecting signal is input from the access detecting unit, the access lamp is turned on and then the When the first signal is input from the first timer, the light is turned off, and when the human body detection signal is input from the human body sensing unit, the power of the electric device is turned on, and the second signal is input from the second timer. A control unit which turns off the power of the electric device when the third signal is input from the third timer; It includes.

In an embodiment of the present disclosure, when the human body detection signal is received from the human body sensing unit during counting of the second predetermined time, the second timer resets the counted time up to that time and then sets the second setting from the beginning. It is desirable to count the time again.

In an embodiment of the present invention, the first predetermined time is preferably 5 to 10 seconds (sec).

In an embodiment of the present invention, the second set time is preferably longer than the third set time, wherein the second set time is 5 to 90 minutes (min), and the third set time is 10 to 100 seconds ( sec).

In an embodiment of the present invention, the automatic power saving device for power saving may further include an alarm generating unit for generating an alarm signal according to the signal of the control unit, wherein the control unit is a non-input detection signal input from the access detection unit; When the human body detection signal is input from the human body detection unit in the state, it is preferable to output a predetermined control signal to the alarm generation unit for generation of the alarm signal.

In an embodiment of the present invention, the access detecting unit, the power off button, the first to third timer and the control unit is preferably implemented in one housing.

In an embodiment of the present disclosure, the second timer may be reset by manually changing the second set time, and outputs the second signal to the controller when the count of the reset second set time is completed. In this case, the control unit turns on the power of the electric device when the second timer starts counting the second set time and turns off the power of the electric device when a second signal is input from the second timer. It is preferable.

In an embodiment of the present invention, the reset second set time is preferably 1 to 8 hours (hr).

In an embodiment of the present invention, the automatic power saving device for power saving indicates that the entrance detection signal is input when the entrance detection signal is input from the entrance detection unit, and the off signal is input when the off signal is input from the power off button. It may further include a display unit for indicating that the input, wherein the display unit preferably displays the input of the entrance detection signal and the off signal in a different form.

In an embodiment of the present disclosure, the automatic power saving apparatus for power saving may further include a display unit for visually or audioly displaying a second preset time counted by the second timer.

In an embodiment of the present invention, the electric device preferably includes at least one selected from a lamp, an air conditioner, and a fan.

In an embodiment of the present disclosure, when the third signal is input from the third timer before the second signal is input from the second timer, the control unit turns off the power of the electric device that is currently turned on. OFF).

In addition, the automatic power saving control method for power saving of the present invention for achieving the above object,

An entrance light lighting step of automatically lighting an entrance light when an entrance detection signal for a person is input from an entrance detection unit respectively installed near at least one entrance door of a room; An entrance light off step of counting a first predetermined time preset by a first timer and extinguishing the access light when the count of the first predetermined time is completed; A power supply step of turning on the power of the electrical device in the room when a human body detection signal is input to a person in the body detection unit disposed in the room; A counting step of counting a second predetermined time set in the second timer; A determination step of determining whether a power-off signal of the electric device is input from a power-off button during counting of the second set time; A power off step of counting a third preset time set by a third timer when the power off signal is input and turning off the power of the electric device after completion of counting of the third set time; And a power off step of turning off the power of the power supply device after completion of counting of the second set time if the power off signal is not input. It includes.

According to an embodiment of the present disclosure, the counting step includes: when the human body detecting signal is received from the human body sensing unit while counting the second predetermined time, the counting time is reset until the second predetermined time from the beginning. It is preferable to count again.

In an embodiment of the present invention, the power off step and the power off step are preferably executed in parallel independently of each other.

In an embodiment of the present invention, the first set time is 5 to 10 seconds (sec), the second set time is preferably longer than the third set time, especially the second set time is 5 to 90 minutes (min ), And the third set time is preferably 10 to 100 seconds (sec).

In an embodiment of the present invention, the automatic power saving control method for power saving may further comprise the step of generating an alarm signal in the alarm generator when the human body detection signal is input from the human body sensor before the step of turning on and off the light. have.

According to an embodiment of the present disclosure, after the counting step, manually changing and resetting the second set time; Counting the reset second set time; It may further include. At this time, the reset second set time is preferably 1 to 8 hours (hr).

In an embodiment of the present disclosure, the power off step may further include displaying that the power off signal is input when a power off signal is input from the power off button.

In an embodiment of the present disclosure, the counting step may further include visually or audibly displaying a second preset time counted by the second timer.

According to the present invention, it is possible to save the power consumed by accurately determining the number of occupants in the room, and automatically shutting down the electric devices such as lighting, fans, and air conditioners in the room when there are no people in the room.

In addition, according to the present invention, it is possible to freely set the operating time of the sensor for detecting the occupants of the room, it is possible to set the operating time of the sensor without replacing the internal parts.

In addition, according to the present invention by placing a sensor in each of the various places of the same room to detect the person of the room, the space is wide and can be applied to the room where many people frequently enter and exit the door.

In addition, according to the present invention it is possible to immediately respond to an emergency by generating an alarm when a person enters through another passage instead of a door and detects it or detects heat due to a fire.

Furthermore, when the automatic power supply control device according to the present invention self-failure or error occurs, by turning on the lamp automatically, it is possible to prevent safety accidents such as industrial sites due to the lights off.

Hereinafter, exemplary embodiments will be described in detail with reference to the accompanying drawings. In describing the exemplary embodiments of the present invention, descriptions of technical contents that are well known in the art to which the present invention pertains and are not directly related to the present invention will be omitted. This is to more clearly communicate without obscure the core of the present invention by eliminating the unnecessary description.

1 is a schematic configuration diagram of a power saving automatic power control apparatus according to the present invention.

Referring to FIG. 1, the automatic power supply control apparatus 100 for power saving according to an embodiment of the present invention includes an entrance detection unit 101, a first timer 102, a human body detection unit 103, and a second timer 104. , A power off button 105, a third timer 106, and a controller 107. In another embodiment of the present invention, the automatic power saving apparatus 100 for power saving may include at least one of an alarm generator 108, a display unit 109, and a display unit 110.

The entrance detecting unit 101 of the present invention is installed in the vicinity of each door of the room having one or more doors to detect that a person enters and exits through the door. The entrance detecting unit 101 is preferably installed at a height that is easy to detect a person on the inner wall of the door. The entrance detection unit 101 outputs a predetermined entrance detection signal to the first timer 102 and the control unit 107 when a person's entrance is detected at the entrance door. At this time, the control unit 107 recognizes that a person has entered through the door, thereby lighting the corresponding access light 10 installed in each door. This is for the entrance light 10 is automatically turned on when a person enters the room through the door.

The first timer 102 of the present invention counts a predetermined first predetermined time when an entrance detection signal is input from the entrance detecting unit 101 and a predetermined first signal S1 when the count of the first predetermined time is completed. Outputs Preferably, the first signal S1 is input to the controller 107. At this time, the control unit 107 receives the first signal S1 and turns off the corresponding access light 10. This is for the door 10 to be automatically turned off after a predetermined time (first set time) has elapsed after a person enters the room through the door. In an embodiment of the present invention, the first set time is preferably 5 to 10 seconds (sec). This first set time may be changed.

The human body detecting unit 103 of the present invention is installed inside a room to detect whether a person exists in the room. The human body detecting unit 103 is preferably installed at a height that is easy to detect a person on the inner wall of the chamber. When the human body detecting unit 103 detects a person, the human body detecting unit 103 outputs a predetermined human body detecting signal to the second timer 104 and the controller 107. At this time, the control unit 107 recognizes that there is a person in the room, thereby turning on the power of the electric device 20 installed in the room. This is to automatically operate the predetermined electric device 20 when a person is in the room. The electric device 20 may be, for example, at least one of a group consisting of an indoor lamp, a fan, an air conditioner, and the like. In the embodiment of the present invention, it is preferable that the room lamp.

The second timer 104 of the present invention counts a preset second set time when a human body detecting signal is input from the human body detecting unit 104 and a predetermined second signal S2 when the counting of the second set time is completed. Outputs Preferably, the second signal S2 is input to the controller 107. At this time, the control unit 107 receives the second signal and turns off the power of the electric device 20 (for example, indoor light). Therefore, while the second set time is counted in the second timer 104, the power supply of the electric device 20 (for example, indoor light) is turned ON.

However, if the human body detection signal is received from the human body sensing unit 104 again while counting the second set time, the second timer 104 resets the counted time up to that time and then starts the second set time from the beginning. Count again. If the human body detection signal is not input again from the human body detecting unit 104, the second set time is counted to the end and the second signal S2 is output. In other words, when the human body detecting unit 104 detects a person in the room again, the second set time is counted again from the beginning, and if the person is not detected thereafter, the second set time is completed after the count of the second set time is completed. ) So that the room lights can be turned off. In an embodiment of the present invention, the second set time is preferably 5 to 90 minutes (min). Naturally, the second set time may be changed.

The power-off button 105 of the present invention is a switch for turning off the electric device 20 in the room, for example, a room light after a predetermined time has elapsed. When the last employee presses the power off button 105, a power off signal is generated. This off signal is input to the third timer 106. As a result, the third timer 106 counts the third predetermined time. For example, the power off button 105 is for extinguishing all indoor lights in the room, and when the off signal is input from the power off button 105, the power off button 105 is set even when the second timer 103 is counting the second set time. After 3 set time has elapsed, the electric power of the electric device 20 is turned OFF. In the present invention, the power off of the electric device 20 after the third set time has a higher priority than the power off of the electric device 20 after the second set time.

The third timer 106 of the present invention counts the third preset time when the power-off signal is input from the power-off button 105. When the count of the third set time is completed, the predetermined third signal S3 is outputted. Preferably, the third signal S3 is input to the controller 107. The controller 107 receives the third signal S3 and turns off the power of the electric device 20. This is to turn off the power of the in-room electric device 20 (eg, indoor light) after a predetermined time (third set time) has elapsed when the last mover leaves. In the embodiment of the present invention, the third set time is preferably 10 to 100 seconds (sec). Therefore, 10 to 100 seconds after the power-off button 105 is pressed, for example, the indoor light is automatically turned off. Naturally, the third set time may be changed.

The control unit 107 of the present invention, including the entrance and exit light 10 and the electric device 20, the entrance detection unit 101, the human body detection unit 103, the power off button 105 and the first to third timers (102, 104, 106) ) And electrically connected to each other. The control unit 107 turns on the entrance light 10 when the entrance detection signal is input from the entrance detection unit 101. Thereafter, when the first signal is input from the first timer 102, the corresponding access light 10 is turned off. In addition, the controller 107 turns on the power of the electric device 20 when the human body detecting signal is input from the human body detecting unit 103. Thereafter, when the second signal is input from the second timer 104, the power of the electric device 20 is turned off. In addition, the controller 107 automatically turns off the power of the electric device 20 when the third signal is input from the third timer 106. In addition, the control unit 107 may detect the failure or abnormal state of the system from the signals of the above-described components, in this case, it is possible to turn on the power of the access lamp and the electrical device. This can prevent accidents that may occur due to the power off of the electric equipment at the workplace.

On the other hand, the alarm generating unit 108 of the present invention generates an alarm signal in accordance with the control signal of the control unit 107. When the human body detection signal is first input from the human body detection unit 103 in a state in which the entrance detection signal is not input from the entrance detection unit 101, the control unit 107 generates an alarm signal 108. Outputs a control signal. At this time, the alarm generating unit 108 outputs an alarm signal according to the control signal. For example, it is not a person entering through a door, but an outsider enters through a window or other passage, and the interior light is turned on first, or when the human body detection unit 103 is implemented by an infrared sensor, It is to generate alarm signal when it detects.

In addition, the display unit 109 of the present invention indicates that the entrance detection signal is input when the entrance detection signal is input from the entrance detection unit 101, the off signal is input when the off signal is input from the power off button 105 Is displayed. In this case, the display unit 109 preferably displays the input and output of the entrance detection signal and the off signal in different forms. The display unit 109 may use a light emitting diode (LED) or a predetermined lamp.

In addition, the display 110 of the present invention visually or audibly displays the second set time counted by the second timer 104. For example, the second set time to be counted may be displayed by numbers using an LED or by sound using a speaker.

In an embodiment of the present disclosure, the entrance detection unit 101 and the human body detection unit 103 may be implemented as a sensor for detecting the object using heat radiated from the object, for example, an infrared detection sensor. The infrared sensor is composed of an ultra-sensitivity thermal infrared sensor circuit that can detect even a minute part of a human with high sensitivity. However, in the embodiment of the present invention, it is obvious that not only an infrared sensor, but also an ultrasonic sensor, a microwave sensor, a proximity sensor, and the like may be variously implemented.

Referring to Figure 1 will be described the operation of the automatic power saving control device for power saving of the present invention. When a person passes through the door to enter the room, the entrance detection unit 101 disposed near the door detects the entrance of the person and outputs an entrance detection signal corresponding thereto. The controller 107 receives the entrance detection signal from the entrance detection unit 101 and turns on the entrance light 10 installed in the door. When the entrance light 10 is turned on as described above, the first timer 102 starts to count the first predetermined time. When the first timer 102 finishes counting the first set time, the first signal S1 is output to the controller 107. The control unit 107 turns off the entrance / exit lamp 10 that is turned on when the first signal is input. As a result, the entrance light 10 turns on when a person passes through the door, and automatically turns off after a predetermined time (first set time) has elapsed.

In addition, when a person moves in the room, one or more human body detecting units 103 installed in the room detect the presence of a person and output a human body detection signal corresponding thereto. The controller 107 receives the human body detection signal from the human body detecting unit 103 and turns on the power of at least one of various electric devices 20 in the room, for example, a room lamp, a fan, and an air conditioner. In a preferred embodiment of the present invention, when the human body detection signal is input, the power of the indoor lamp is automatically turned on. As such, when the electric device 20 is turned on, the second timer 104 operates to start counting the preset second set time. The second timer 104 outputs the second signal S2 to the controller 107 when the count of the second set time is completed. When the second signal is input, the controller 107 turns off the power of the electric device 20 (for example, an indoor light) that is turned on. As a result, the electric device 20 is automatically turned on when a person is detected, and then automatically turned off after a predetermined time (second set time) has elapsed. At this time, it is important that the human body detection signal is not input again in order to be turned off after the electric device 20 is turned on. In other words, when the human body detection signal is input again while the second set time is being counted, the second timer 104 resets the counted time up to that time and counts the second set time again from the beginning. Therefore, when the human body detecting unit 103 continuously detects a person, the second set time is counted again from the beginning, so that the power supply of the electric device 20 is maintained in an ON state.

In addition, when the person who is leaving the room presses the power-off button 105, the power-off button 105 outputs an OFF signal. The third timer 105 receives the off signal from the power off button 105 and starts counting the preset third set time. When the count of the third set time is completed, the third signal S3 is output to the controller 107. When the third signal is input, the controller 107 turns off the power of the electric device 20 (for example, an indoor light) that is turned on. Thus, when the power-off button 105 is pressed, the electric device 20 is automatically turned off after a predetermined time (third set time) has elapsed. At this time, the power off is performed while the first timer 102 and the second timer 104 are in operation, that is, the entrance light 10 is turned on and the power of the electric device 20 is turned on. Also, when the third set time elapses, the entrance light 10 and the electric device 20 are turned off. Preferably, in the embodiment of the present invention, since the third set time is longer than the second set time, the light 10 is first turned off while the third set time is counted, and after the count of the third set time is completed, The power supply of the electric device 20 is turned off.

The power off button 105 is a switch which is pressed when the last leaver leaves the room, and the power wasted in the empty room by automatically turning off the power of all the electric devices 20 when the leavener leaves the room. It is to prevent.

2 is a view schematically showing a housing according to an embodiment of the present invention.

2, the housing 120 according to the present invention includes an entrance detecting unit 101, a power off button 105, first to third timers 102, 104, 106, a display unit 109, and a controller 107. do. These components are electrically connected to each other. As shown, some protrude out of the housing 120 so that a person can touch or see it, and others are provided inside the housing 120 (not shown). The housing 120 is preferably installed near the door. The reason for this is because the entrance detecting unit 101 detects a person entering and exiting through the door and is easily turned off near the exit door. As such, by providing a plurality of components in one housing 120, the present invention can be implemented without restrictions in distance or space.

The entrance detection unit 101 is preferably provided on the side of the housing 120. This detects people entering and leaving the door. The power off button 105 and the display unit 109 are provided on the front of the housing 120. The power off button 105 is formed to protrude from the housing 120 so that the mover can easily press out, and the display unit 109 is formed so as to be visually confirmed by a person. The display unit 109 may be implemented as an LED or a predetermined lamp. In this case, the display unit 109 is displayed differently in some cases.

For example, as illustrated in FIG. 3, when the entrance detecting unit 101 detects the entrance and exit of a person, the entrance detection unit 101 may briefly blink at a predetermined time interval and long when the power off button 105 is pressed. have. Referring to FIG. 3, when the entrance detection unit 101 detects the entrance of a person, the display unit 109 does not operate and when the entrance of the person is detected, the display unit 109 repeats the on / off at regular intervals. At this time, the on / off is preferably repeated for a first set time. When the power off button 105 is pressed, the power is turned on for a long time for a third set time. In this way, the display unit 109 is displayed differently to allow people to know what signal is input.

4 is a view schematically showing a display unit according to the present invention.

Referring to FIG. 4, the display 110 of the present invention displays a second set time counted. Preferably, the second set time is counted in reverse. This allows the person in the room to visually check the time remaining in the second set time. Meanwhile, the second preset time may be reset by the user. To this end, a time setting unit 131 for resetting the second setting time is provided. The reset of the second set time may be automatically implemented by using a predetermined button 132. For example, when the predetermined button 132 is pressed, the second preset time may be reset to a preset time.

5 is a flowchart illustrating a power saving automatic power control method according to the present invention.

Referring to FIG. 5, when the entrance detecting unit 101 detects the entrance of a person (S101), the entrance light 10 installed in the corresponding door is turned on (S103). When the entrance light 10 is turned on, the preset first preset time is counted (S105). When the count of the first set time is completed (S107), the lit entrance / atmosphere 10 is turned off (S109). As a result, the entrance light 10 is turned on for a predetermined time when a person enters the door and then automatically turns off.

Subsequently, when the at least one human body detecting unit 103 detects the presence of a person (S111), the power of the electric device 20 (eg, an indoor light) in the room is turned on (S113). As such, when the electric device 20 is turned on, the second timer 104 operates to start counting the predetermined second set time (S115). At this time, while the second set time is counted, it is determined in real time whether a new human body detection signal is input again by the human body detecting unit 103 (S117). If the human body detection signal is input again, the time counted up to that time is reset (S119), and the process proceeds to step S115 to start counting the second set time again (S115). However, if a new human body detection signal is not input again, counting is continued by maintaining the counted time up to now. These processes are repeated until the count of the second set time is completed. Subsequently, when the count of the second set time is completed (S121), the power of the electric device 20 that is turned on until then is turned off (S123). As a result, the electric device 20 (eg, an indoor light) is turned on for a predetermined time unless a person is detected in the room, and then automatically turned off. If a person is detected within a certain time, it stays ON.

Subsequently, it is determined whether the power-off signal is input from the power-off button 105 (S125), and if the power-off signal is input, the preset third set time is counted (S127). Thereafter, when the count of the third set time is completed (S129), the power of the electric device 20 (for example, indoor light) is turned OFF (S131). Thus, when the power off button 105 is pressed, the electric device 20 is automatically turned off after a predetermined time has elapsed. This is to automatically forcibly turn off all electric devices 20 in the room after a certain time when the person leaving the room.

Although not shown in the drawing, as described above, the remaining time at the time of counting the second set time may be visually displayed. In addition, if a signal is input in steps S101 and S125 may be displayed to confirm this.

6 is a flowchart illustrating an alarm generation process according to the present invention.

Referring to FIG. 6, in the alarm generation process of the present invention, when a human body detection signal for a person in the room is input from the human body detection unit 103 (S201), an entrance detection signal for a person's entrance and exit from the entrance detection unit 101 is provided. It is determined whether is already input (S202). When the human body detection signal is input while the entrance detection signal is not input, an alarm signal is output (S205). If the human body detection signal is input while the entrance detection signal is input, the process proceeds as shown in FIG. 5. This is to trigger an alarm when entering the room through another place without entering the room through the door.

The drawings and detailed description of the invention above are merely exemplary of the invention, which are used only for the purpose of illustrating the invention and are used to limit the scope of the invention as defined in the claims or claims. It is not. Therefore, those skilled in the art will understand that various modifications and equivalent other embodiments are possible from this. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

With the recent surge in raw material prices, energy saving is urgently needed. Social and national energy saving campaigns are being launched, and products that are energy efficient and conducive to energy saving are appearing one after another. Efforts are being made to reduce the amount of electrical energy that is wasted without using lighting equipment or electric devices.

From this point of view, the automatic power control device and method for power saving according to the present invention operates the electric device such as a lamp, an air conditioner, a fan only when there is a person in the room, and automatically after a certain time has elapsed if there is no person. It is expected to be used in various places in the future in that it can save wasted energy by stopping operation.

1 is a schematic configuration diagram of a power saving automatic power control apparatus according to the present invention.

2 is a view schematically showing a housing according to an embodiment of the present invention.

3 is a time chart diagram illustrating an operation pattern of a display unit according to the present invention.

4 is a view schematically showing a display unit according to the present invention.

5 is a flowchart illustrating a power saving automatic power control method according to the present invention.

6 is a flowchart illustrating an alarm generation process according to the present invention.

 Explanation of symbols on the main parts of the drawings

101: entrance detection unit 102: the first timer

103: human body detection unit 104: the second timer

105: power off button 106: third timer

107 control unit 108 alarm generation unit

109: display unit 110: display unit

Claims (24)

At least one entrance detecting unit installed near each of the one or more residing doors in which entrance lamps are installed and detecting entrance of a person through each of the entrance doors; A first timer outputting a first signal when the access detection signal is input from the entrance detection unit and counting a first preset time and outputting the first signal when the count of the first preset time is completed; At least one human body sensing unit sensing a person inside the chamber; A second timer for counting a second preset time when the human body detecting signal is input from the human body detecting unit and outputting a second signal when the count of the second predetermined time is completed; A power off button for turning off a power of a plurality of electric devices arranged in the chamber; A third timer configured to count a preset third set time when an off signal is input from the power off button and output a third signal when the count of the third set time is completed; And The entrance detection unit, the entrance light, the human body detection unit, the electrical device, the power off button and the first to third timers are electrically connected, and when the entrance detection signal is input from the entrance detection unit turns on the entrance light and the first When the first signal is input from the first timer, the entrance light is turned off, and when the human body detection signal is input from the human body detecting unit, the power of the electric device is turned on and the second signal is input from the second timer. A control unit which turns off the power of the electric device and turns off the power of the electric device when a third signal is input from the third timer; Power saving automatic power control device comprising a. The method of claim 1, wherein the second timer, When the human body detection signal is received from the human body sensing unit during the counting of the second set time, after resetting the counted time until then, the second set time is counted again from the beginning. Power control unit. The method of claim 1, The first set time is 5 to 10 seconds (sec), characterized in that the automatic power supply control device for power saving. The method of claim 1, And the second set time is a time longer than the third set time. The method of claim 4, wherein The second set time is 5 to 90 minutes (min), the third set time is 10 to 100 seconds (sec), characterized in that the automatic power control device for power saving. The method of claim 1, Further comprising an alarm generating unit for generating an alarm signal in accordance with the signal of the controller, The control unit outputs a predetermined control signal to the alarm generation unit for generating the alarm signal when the human body detection signal is input from the human body detection unit while the entrance detection signal is not input from the entrance detection unit. Power saving automatic power control device. The method of claim 1, The entrance detection unit, the power off button, the first to third timers and the control unit is a power saving automatic power control device, characterized in that implemented in one housing. The method of claim 1, wherein the second timer, It is possible to reset by manually changing the second set time, and outputs the second signal to the controller when the count of the reset second set time is completed, The control unit turns on the power of the electric device when the second timer starts counting the second set time and turns off the power of the electric device when a second signal is input from the second timer. Power saving automatic power control device characterized in that. According to claim 8, The reset second preset time is 1 to 8 hours (hr). The method of claim 1, And a display unit for indicating that the entrance detection signal is input when the entrance detection signal is input from the entrance detection unit, and indicating that the off signal has been input when the off signal is input from the power off button. And the display unit displays the input and output of the entrance detection signal and the off signal in different forms. The method of claim 1, And a display unit which visually or audibly displays the second set time counted by the second timer. The method of claim 1, The electric device is an automatic power saving device for power saving, characterized in that at least one selected from the interior light, air conditioning and a fan. The method of claim 1, wherein the control unit, When the third signal is input from the third timer before the second signal is input from the second timer, the power supply of the electric device that is currently turned on is turned off. Power control unit. An entrance light lighting step of automatically lighting an entrance light when an entrance detection signal for a person is input from an entrance detection unit respectively installed near at least one entrance door of a room; An entrance light off step of counting a first predetermined time preset by a first timer and extinguishing the access light when the count of the first predetermined time is completed; A power supply step of turning on the power of the electrical device in the room when a human body detection signal is input to a person in the body detection unit disposed in the room; A counting step of counting a second predetermined time set in the second timer; A determination step of determining whether a power-off signal of the electric device is input from a power-off button during counting of the second set time; A power off step of counting a third preset time set by a third timer when the power off signal is input and turning off the power of the electric device after completion of counting of the third set time; And A power off step of turning off the power of the power supply device after completion of counting of the second set time if the power off signal is not input; Power saving automatic power control method comprising a. The method of claim 14, wherein the counting step, When the human body detection signal is received from the human body sensing unit during the counting of the second set time, the time counted up to that time is reset, and the second set time is counted again from the beginning. Automatic power control method. The method of claim 14, The power-off step and the power-off step are executed independently in parallel to each other power saving control method for power saving. The method of claim 14, The first set time is 5 to 10 seconds (sec), characterized in that the automatic power saving control method for power saving. The method of claim 14, And the second set time is longer than the third set time. The method of claim 18, The second set time is 5 to 90 minutes (min), the third set time is 10 to 100 seconds (sec), characterized in that the automatic power control for power saving. 15. The method of claim 14, Prior to the access light lighting step, When the human body detection signal is input from the human body detection unit further comprises the step of generating an alarm signal in the alarm generation unit. The method of claim 14, wherein after the counting step, Manually changing and resetting the second set time; And Counting the reset second set time; Auto power control method for power saving, characterized in that it further comprises. The method of claim 21, The reset second preset time is 1 to 8 hours (hr). The method of claim 14, wherein the power off step, And when the power off signal is input, indicating that the power off signal is input. The method of claim 14, wherein the counting step, And visually or audibly displaying the second set time counted by the second timer.

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