JPH07189535A - Load control device - Google Patents

Abstract

PURPOSE:To provide convenience and sensory warm by setting a load such as illumination ON before opening the door of a house or a room. CONSTITUTION:A locking/unlocking input means 11 detecting the locking/ unlocking condition of a lock 9 is provided, a load drive signal is generated by a control means 13 at detecting unlocking of the lock 9, and the load drive signal is output to a load drive means 12 so as to drive a load 10 such as illumination. Meanwhile at detecting locking of the lock 9 a timer part 14 is started and after a prescribed time the output of the load drive signal is stopped so as to stop drive of the load 10. Hereby, the load 10 is set ON at the same time of unlocking of the lock 9, and when a man enters from the outside to the inside, the load such as illumination inside can be set ON before opening a door. In addition at locking the lock 9, the load 10 such as illumination can be set OFF after a prescribed time, so as to prevent forgetting of putting out.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a load control device,
In particular, the present invention relates to a load control device suitable for controlling a load of an electric appliance for lighting or the like.

[0002]

2. Description of the Related Art Conventionally, as a load control device, electric appliances such as lights are turned on / of in response to a detection output of a door opening / closing sensor.
There is one that controls F. According to this device, when a person opens the door and enters, the illumination is automatically turned on, and after the person exits the entrance, the illumination is automatically turned off. Hereinafter, a specific load control device will be described.

FIG. 4 is a block diagram showing the configuration of a conventional load control device. In FIG. 4, a conventional load control device 1 includes a door sensor 2, a door opening / closing input means 4, a load driving means 5, and a control means 6, and the control means 6 is provided with a clock section 7. The door sensor 2 uses a magnet switch or the like to detect the open / closed state of the door.
The door opening / closing input means 4 receives a signal from the door sensor 2 and outputs this signal to the control device 6. When a signal indicating that the door has been opened is input from the door opening / closing input means 4, the control means 6 activates the clock section 7 and outputs a load drive signal to the load drive means 5, and after a certain time, the drive signal. The output of is stopped. The load driving means 5 receives a drive signal from the control means 6 and drives the load 3 such as an electric appliance for lighting for a certain period of time.

Next, the operation of the conventional load control device will be described. First, when a person enters the house or room where the load 3 such as lighting is installed from the outside, when the person opens the entrance door, the door sensor 2 detects that the door has been opened, and the detection output is It is output to the control means 6 via the door opening / closing input means 4. When the control means 6 outputs a drive signal to the load drive means 6 in response to this, the load 3 is driven by the load drive means 5, and the load such as lighting in the entrance of the house or in the room is driven. For this reason, it is possible to obtain the convenience that the illumination or the like can be turned on simply by opening the door without operating the switch.

On the other hand, when going out, when a person closes the entrance door, the door sensor 2 detects that the door is closed, and this detection signal is output to the control means 6 via the door opening / closing input means 4. It When the control means 6 receives this signal,
The output of the drive signal output from the control means 6 to the load drive means 5 is stopped, and the drive of the load 3 such as the lighting inside the house entrance or room is stopped. Therefore, when going out, even if the light is not turned off by operating the switch in advance in the house or the room, the light is automatically turned off, and it is possible to avoid forgetting to turn off the light, which is convenient.

Further, the control means 6 is provided with a timekeeping section 7 in order to prevent the illumination on the spot from being turned off when the door is closed after a person enters from outside. That is, when the door is closed, the detection signal from the door sensor 2 is output as a signal to stop the load 3 after a predetermined time,
After a person moves near the entrance, the lighting etc. is turned off.

[0007]

However, in the above-mentioned conventional configuration, the timing at which the load 3 such as the lighting is turned on is only after the door is opened, and at the moment when the person opens the door, the room is still dark. However, there is a problem that the feeling of going into the darkness cannot be wiped out.

The present invention solves the above-mentioned conventional problems, and an object of the present invention is to provide a load control device capable of enhancing convenience by driving a load before opening a door.

[0009]

In order to achieve the above object, the present invention provides an unlocking detection means for detecting an unlocked state of a lock attached to a door, and an unlocking detection output of the unlocking detection means. And a load driving unit that responds to the lock detection output by stopping the output of the load driving signal after a certain time in response to the lock detection output, and a load driving unit that receives the load driving signal from the control unit and drives the load. The load control device is configured.

Further, as the load control device, door opening detection means for detecting the opening of the door is provided, and the load driving signal from the control means is made constant in response to the detection outputs of the unlocking detection means and the door opening detection means. It can also be configured to output time.
Further, an illuminance detection means for detecting that the brightness around the controlled object is below a certain illuminance is provided, and the unlock detection means is detected only if the brightness around the controlled object is below a certain illuminance. The control means may output the load drive signal in response to the output for a certain period of time.

[0011]

According to the above construction, when a person enters the house or room where a load such as lighting is installed from the outside, when the person unlocks the lock on the entrance door, the load drive signal is sent in response to the unlocking. Is output for a certain period of time, and the load such as lighting is driven. Therefore, at the moment when the person unlocks the lock, it is possible to turn on the lighting in the house entrance or the room.

When a person goes out and locks the door at the entrance, the driving of the load such as the illumination is stopped after a certain period of time after the lock detection signal is output. Therefore, even when going out, it is possible to prevent forgetting to turn off the lights without operating the switch in advance in the house or in the room to turn off the lights.

When a person locks in from the inside of a house or a room after coming in from the outside, the control means outputs a signal for stopping the load after a certain time, so that the person moves near the entrance. After that, the lighting etc. can be turned off.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing a load control device according to a first embodiment of the present invention. In FIG. 1, the load control device 8 can control the driving of the load 10 according to the unlocked state of the lock 9 attached to the door. The load control device 8 includes lock / unlock input means 11, A load driving unit 12, a control unit 13, and a time counting unit 14 are provided. The locking / unlocking input means 11 is configured as unlocking / locking detection means for detecting the unlocked / unlocked state of the lock 9 and outputting the detection output to the control means 13. The control means 13 is a lock / unlock input means 11
When the unlocking detection output is received from the load driving signal, the load driving signal is output, and when the locking detection output is received, the timer unit 14 is activated and the output of the load driving signal is stopped after a predetermined time. The load driving means 12 receives the load driving signal from the control means 13 to drive the load 10 such as a lighting device, and stops the driving of the load 10 when the output of the load driving signal is stopped. As the lock 9, there is an electric lock that electrically locks and unlocks the lock with a motor or a solenoid. If the lock is an electric lock, a signal corresponding to the locked and unlocked state is output as in the above embodiment. You can

The operation of the load control device 8 configured as above will be described below. First, when a person enters the house or room from the outside, when the locked door is unlocked, this unlocked state is detected by the lock / unlock input means 11, and this detection output is output to the control means 13. . Control means 13
Responds to the unlock detection signal, the load drive signal is output to the load drive means 12. As a result, the load 10 such as the lighting is driven, and the lighting at the entrance is turned on before a person opens the door and enters the inside. On the other hand, after a person enters the house or room and locks the door lock 9, the locking / unlocking input means 11 detects the locked state, and the detection output is output to the control means 13. When the lock detection signal is input to the control means 13, the clock unit 14 is activated and the output of the load drive signal is stopped after a certain period of time. Therefore, when a person locks the door at the entrance, after moving from the door, the load such as lighting near the entrance is stopped.

When a person goes out of the house or room and goes out and locks the door lock 9, this locked state is detected by the lock / unlock input means 11, and this detection signal is output to the control means 13. After a certain period of time, the output of the load drive signal is stopped, and the drive of the load 10 such as the lighting is stopped.
Therefore, after the person goes out and locks the door lock 9, the load 10 such as the illumination near the entrance is stopped.

As described above, according to the above-mentioned embodiment, when a person enters from the outside or inside or inside the room, when the door lock 9 is unlocked, the lighting near the entrance in the house or inside the room Since the load 10 can be turned on, it is convenient not to operate the switch after entering the room, and when the door is opened, the sensational warmth that the lighting inside is already on is obtained. be able to.

Further, according to the above-mentioned embodiment, after the door 9 is locked, a load 10 such as a light near the entrance is provided after a predetermined time.
Is turned off, so after entering from outside and locking the door 9 and then exiting and locking the door 9, the load 10 such as lighting near the entrance can be operated without operating the switch. You can prevent forgetting to erase.

In the above embodiment, the lock 9 is
Although the electric lock has been described, it is also possible to use a lock capable of only outputting the state of the locked / unlocked state without electrically performing the locking / unlocking operation of the lock.

Next, a second embodiment of the present invention will be described with reference to FIG. In addition to the elements of the load control device 8 shown in FIG. 1, the load control device 15 in the present embodiment sends a door open / close sensor 16 for detecting the open / closed state of the door to which the lock 9 is attached and a detection signal from the door open / close sensor 16. Door opening / closing input means 1 for inputting
7, lock / unlock input means 11 and door opening / closing input means 17 are provided.
The control means 18 for generating a load drive signal in response to a signal from the other side is configured, and the other configuration is shown in FIG.
Therefore, the same components are designated by the same reference numerals and the description thereof will be omitted.

That is, the control means 18 sends the load drive signal to the load drive means 12 when it is detected that the lock 9 is unlocked or when the door opening / closing sensor 16 detects that the door is opened. When the lock 10 of the lock 9 is detected by outputting the load drive signal to the load 10, the output of the load drive signal is stopped after a certain period of time in response to the detection output.

The operation of the load control device configured as described above will be described below. First, when a person enters the house or room from the outside, when the lock 9 is unlocked while the door is locked, an unlocking detection signal is output from the locking / unlocking input means 11 to the control means 18. Then, in response to this unlocking detection output, a load drive signal is output from the control means 18 to the load drive means 12, and the load 10 such as lighting is driven.

On the other hand, when entering the house or room from the outside while the door is unlocked, if the door is opened as it is, the door open / close sensor 16 detects that the door is opened, and this detection signal Is output to the control means 18. In response to this signal, the control means 18 outputs a load drive signal to the load drive means 12 to drive the load 10 such as lighting. Therefore, the load 10 such as the lighting can be turned on when the lock is unlocked or when the door is opened.

When a person locks the door lock 9 after entering a house or room or exiting from inside, a lock detection signal is output to the control means 18. When this signal is input to the control means 18, the clock unit 14 is activated, and after a certain period of time, the output of the load drive signal is stopped and the drive of the load 10 is stopped. Therefore, after the person locks the door lock 9 and moves in or goes out, the load 1 such as lighting near the entrance
0 will be stopped.

As described above, according to this embodiment, when a person enters the house or the room from the outside, the inside of the house or the room is unlocked when the door is unlocked or when the door is opened. Since the load such as the lighting near the entrance was turned on, when a person enters from outside, whether the door is locked or unlocked, the switch must be operated after entering the room. It is possible to obtain the convenience that the lighting can be turned on without it. Further, as in the above-described embodiment, after locking the door, the load such as lighting near the entrance can be turned off after a certain period of time. Therefore, after a person comes in from outside to lock the door, After you go out and lock the door, the load such as lighting near the entrance will automatically turn off, so you can prevent forgetting to turn it off.

The door opening / closing sensor 1 used in the above embodiment
As 6, a type in which a magnet switch is externally attached to a door can be used, and a door opening / closing sensor incorporated in an electric lock can also be used.

Next, a third embodiment of the present invention will be described with reference to FIG. In addition to the elements shown in FIG. 1, the load control device 19 in the present embodiment is provided with an illuminance detecting means 20 for detecting that the brightness around the entrance or the like is below a certain illuminance. 11 and a control means 21 for generating a load drive signal in response to the detection output from the illuminance detection means 20.
Since other configurations are the same as those in FIG. 1, the same components are designated by the same reference numerals and the description thereof will be omitted.

That is, the control means 21 receives the unlocking detection signal from the locking / unlocking input means 11, and only when the illuminance detecting means 20 detects that the ambient brightness is below a certain illuminance. When the load drive signal is output and the lock detection signal is received, the timer unit 14 is activated and the output of the load drive signal is stopped after a certain period of time.

The operation of the load control device configured as described above will be described below. First, when a person enters a house or room from the outside, when the locked door lock 9 is unlocked,
An unlock detection signal is output to the control means 21. At this time, the brightness around the entrance is monitored by the illuminance detection means 20, and the illuminance detection signal is output to the control means 21 only when it is detected that the surrounding brightness is below a certain illuminance. . For this reason, the control means 21 turns on the load 10 such as lighting only when the illuminance detection means 20 detects that the ambient brightness is equal to or lower than a certain illuminance even when the unlock detection signal is received. Become.

On the other hand, when the door is locked after entering the house or the room or exiting from the inside, this lock detection signal is output to the control means 21 and the clock unit 14 is activated. To be done. Then, after a lapse of a certain time, the output of the load drive signal is stopped, and the drive of the load 10 such as the illumination is stopped. For this reason, if the door lock 9 is locked at the entrance, the drive of the load 10 such as the illumination near the entrance is stopped after a certain period of time after moving in or going out.

As described above, according to the present embodiment, when a person enters the house or room from the outside and the ambient brightness is equal to or lower than a certain illuminance, when the door is unlocked. It is possible to turn on the load such as lighting near the entrance inside the house or room, and if the surrounding brightness is above a certain level of illumination, the lighting will not turn on. You can get the convenience that you don't need, and you can get the sensational warmth that the light inside is already on when you open the door. At the same time, since the illumination is not turned on when the surroundings are bright, an economic advantage can be obtained.

Further, according to this embodiment, as in the case of the first embodiment, after the door is locked, it is possible to turn off the load such as the illumination near the entrance after a fixed time, so that it is possible to enter from the outside. After locking the door to lock the door, or after going out to lock the door, the load such as the lighting near the entrance is automatically turned off.

[0033]

According to the present invention, as is apparent from the above-described embodiment, the load is driven when the door is unlocked, and the load is stopped after a certain time when the door is locked. , The convenience that you do not need to operate the switch to turn on the inside lights etc. before opening the door, and the warm feeling that the inside lights etc. are already on before opening the door Can be obtained. Furthermore, since the load such as the lighting is turned off after entering the inside from the outside and exiting from the inside, it is possible to prevent forgetting to turn off the load.

Further, according to the present invention, since the load is driven even when the lock is in the unlocked state and when the door is opened, when a person enters from outside, there is already another person inside the door. Even when the lock is unlocked, it is not necessary to open the door and turn on the operation switch for the inside load to turn on the inside load.

Further, according to the present invention, since the load is driven only when the ambient brightness is equal to or lower than a certain illuminance, it is possible to prevent driving energy from being wasted.

[Brief description of drawings]

FIG. 1 is a block diagram of a load control device according to a first embodiment of the present invention.

FIG. 2 is a block diagram of a load control device according to a second embodiment of the present invention.

FIG. 3 is a block diagram of a load control device according to a third embodiment of the present invention.

FIG. 4 is a block diagram of a conventional load control device.

[Explanation of symbols]

 8, 15 and 19 Load control device 9 Lock 10 Load 11 Lock / unlock input means 12 Load drive means 13, 18, 21 Control means 14 Timing unit 16 Door open / close sensor 17 Door open / close input means 20 Illuminance detection means

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Shinji Nakamura Inventor, Shinji Nakamura, 4-3-1, Tsunashima-higashi, Kohoku-ku, Yokohama-shi, Kanagawa Matsushita Communication Industrial Co., Ltd. 4-3-1, Matsushita Communication Industrial Co., Ltd. (72) Inventor Nobuaki Murabayashi 4-3-1 Tsunashima East, Kohoku Ward, Yokohama City, Kanagawa Matsushita Communication Industrial Co., Ltd.

Claims (3)

[Claims] 1. A lock / unlock detecting means for detecting a lock / unlock state of a lock attached to a door, and a load drive signal in response to a lock / unlock detection output of the lock / unlock detecting means for responding to the lock / lock detection output. A load control device comprising: a control unit that stops the output of a load drive signal after a fixed time, and a load drive unit that receives a load drive signal from the control unit and drives a load. 2. An unlocking / locking detecting means for detecting an unlocked / unlocked state of a lock attached to a door, a door open detecting means for detecting that the door is opened, an unlock / lock detecting means and a door open detecting means. Control means for outputting a load drive signal in response to the detection output and stopping output of the load drive signal after a fixed time in response to the lock detection output, and load drive means for receiving the load drive signal from the control means to drive the load And a load control device comprising. 3. An unlocking detection means for detecting an unlocked state of a lock attached to a door, an illuminance detecting means for detecting that the brightness around the controlled object is below a certain illuminance, and an unlocking detection. Receiving the unlocking detection output of the means, only when the detection output of the illuminance detecting means is generated, a load drive signal is output in response to the unlocking detection output of the unlocking detecting means, and a load is applied after a certain time in response to the locking detection output. A load control device comprising: control means for stopping the output of a drive signal; and load drive means for receiving a load drive signal from the control means to drive a load.