JPH08200754A - Ventilating fan equipped with illumination regulating device - Google Patents

Abstract

PURPOSE: To provide a ventilating fan equipped with an ellumination regulating device, controlling the lighting of an illuminaire and the operation of a ventilating fan through an illumination-detecting element and a human detecting element. CONSTITUTION: A ventilating fan equipped with an illumination-regulating device is provided with an illumination-judging unit 3, comparing a signal from an illumination-detecting unit 1 with a predetermined first specified value of quantity of light and a second specified value of quantity of light, smaller than the first specified value of quantity of light, to judge, a human judging unit 4, judging a signal from a human judging unit 2, and a controlling unit 7, controlling the lighting of an illuminaire device 5 and the operation of a ventilating fan 6 by the signals from the illumination judging unit 3 and the human judging unit 4, while the same ventilating fan is constituted so as to control the operation of the illuminaire device 5 and the ventilating fan 6 in accordance with the illuminated degree in a room when a human is detected.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilation fan with an illuminance adjusting device.

[0002]

2. Description of the Related Art In recent years, it has become general to automatically adjust the illuminance of lighting and automatically operate a ventilation fan by detecting the illuminance in a room and the presence of a person in the room.

A conventional ventilation fan with an illuminance adjusting device of this type is generally shown in FIGS. 9 and 10.

As shown in the figure, an illuminance detector 101 for detecting the brightness of the room and a person detector 10 for detecting the presence of a person.
2, an illuminance discriminating unit 103 that discriminates by comparing a signal from the illuminance detecting unit 101 with a predetermined prescribed light amount value, a person discriminating unit 104 that discriminates a signal from the human detecting unit 102, and the illuminance discriminating unit 103. The ventilation fan with the illuminance adjusting device is configured by the control unit 107 that controls the lighting of the lighting device 105 and the operation of the ventilation fan 106 based on the signal from the person determination unit 104.

In the above structure, when the human detection unit 102 detects that a person enters the room, the brightness of the room detected by the illuminance detection unit 101 is compared with a predetermined specified light amount value to determine the room brightness. When the illuminance determination unit 103 determines that the brightness is darker than the specified light amount value, the control unit 1
07 gradually lights up the lighting device 105 from the off state to turn on the lighting device 105 at a predetermined brightness, and the ventilation fan 106
To drive. When the human detection unit 102 detects that a person has left the room, the control unit 107 turns off the illumination device 105, leaves the ventilation fan 106 for a predetermined time, and then stops the operation.

When the human detection unit 102 detects that a person enters the room, the illuminance detection unit 10
When the illuminance determination unit 103 determines that the indoor brightness detected by 1 is a predetermined prescribed light intensity value and the indoor brightness is brighter than the prescribed light intensity value, the control unit 107 causes the illumination device 105 to operate. The ventilation fan 106 is operated with the light off.
When the human detection unit 102 detects that a person has left the room, the control unit 107 stops the operation of the ventilation fan 106 after the operation of the ventilation fan 106 for a predetermined time.

[0007]

In such a conventional ventilation fan with an illuminance adjusting device, when the indoor brightness detected by the illuminance detecting unit 101 is darker than a predetermined specified light amount value, the illuminating device is uniformly used. The user is not dazzled because 105 is gradually made brighter and the lighting device 105 is turned on at a predetermined brightness, but in the case where there is extraneous light from a window or the like in the room such as in the evening, it is not so dark. There is a problem that the user feels uncomfortable because it takes time until the lighting effect of the lighting device 105 appears.

Further, since the control unit 107 always performs the remaining operation of the ventilation fan 106 for a certain period of time, the amount of activity of the person decreases at night, and after the person once exits the room until the person enters the room again. When the interval is long, the ventilation fan 106 is operated more than necessary, and there is a problem that electric energy is wasted.

Further, since the control unit 107 always performs the remaining operation of the ventilation fan 106 for a certain period of time, the ventilation fan 1 is operated at night.
There was a problem that the driving sound of 06 was annoying.

Further, the lighting device 105 and the ventilation fan 1 are always provided.
Since the control of 06 is automatically performed, there is a problem that the lighting device 105 and the ventilation fan 106 cannot be controlled by the intention of the user.

The present invention solves the above problems by providing a ventilation fan with an illuminance adjusting device in which the lighting effect of the illuminating device immediately appears even when external light from windows in the room is not so dark, such as in the evening. The first purpose is to provide.

A second object is to allow the remaining operating time of the ventilation fan to be changed to a time zone other than nighttime at night when the amount of human activity decreases.

A third object is to prevent the ventilation fan from remaining operation at night. A fourth object is to enable control of the lighting device and the ventilation fan that reflects the user's will.

[0014]

In order to achieve the first object, a ventilation fan with an illuminance adjusting device according to the present invention has a first means, which is a ventilation fan having an illuminating device, for detecting illuminance in a room. Section, a person detection section that detects the presence of a person, and an illuminance determination that compares signals from the illuminance detection section with a predetermined first prescribed light amount value and a second prescribed light amount value having a light amount smaller than the first prescribed light amount value. Section, a person determining section that determines a signal from the person detecting section, and a control section that controls the lighting of the lighting device and the operation of the ventilation fan by the signals from the illuminance determining section and the person determining section, and the control section, When receiving a signal that a person is present, the ventilation fan is operated, and the lighting device is turned off when the room brightness is equal to or higher than the first specified light intensity value, and is turned on when the room brightness is equal to or lower than the first specified light intensity value and equal to or higher than the second specified light intensity value. , If the light intensity is less than the second specified light intensity value, While continuing the state of gradual lit, turns off the lighting device when no longer detects the presence of human, ventilator After operating for a predetermined time, a configuration for controlling to stop.

In order to achieve the second object, the second
When the indoor brightness is equal to or less than the first specified light quantity value and the second specified light quantity value, the control means for shortening the remaining operation time of the ventilation fan is provided as compared with the other brightness.

Further, in order to achieve the third object, the third
This means is provided with a control unit that does not perform the remaining operation of the ventilation fan when the indoor brightness is equal to or less than the first specified light amount value and the second specified light amount value.

In order to achieve the fourth object, the fourth
Is provided with a control setting unit for setting lighting of the lighting device and operation of the ventilation fan, and a control unit for controlling lighting of the lighting device and operation of the ventilation fan by signals from the illuminance determination unit, the person determination unit and the control setting unit. The configuration.

[0018]

The present invention has the structure of the above-mentioned first means.
When a person enters the room, the brightness of the room detected by the illuminance detection unit is compared with a predetermined first specified light amount value and a second specified light amount value having a light amount smaller than the first specified light amount value to determine the indoor brightness. Is brighter than the first specified light amount value and the second specified light amount value, the illumination device is kept in the off state.

When a person enters the room and the brightness of the room is darker than the first specified light amount value and brighter than the second specified light amount value, the lighting device is immediately turned on after being turned off. To do.

Further, when a person enters the room and the brightness of the room is darker than the first specified light amount value and the second specified light amount value, the lighting device is gradually turned on after being turned off. State.

In any of the cases, the ventilation fan is operated while a person is in the room, and when the person leaves the room, the lighting device is turned off, the ventilation fan is left operating for a predetermined time, and then the ventilation fan is turned on. Since the lighting device is stopped, the lighting device is turned off when the lighting is not necessary, and the lighting device is immediately turned on when the ambient light such as the window in the room is not so dark in the evening and the lighting device is turned on. It appears immediately, and when it is darker, the light amount is gradually increased and the light is turned on, so that the user does not feel glare.

Further, by the configuration of the second means, the remaining operation of the ventilation fan is made shorter than the other time periods at night when the amount of human activity is small, so that the ventilation fan is not operated more than necessary and electric energy is supplied. It will not be wasted.

Further, according to the structure of the third means, since the ventilation fan is not left in operation at night when noise is annoying, noise due to operation of the ventilation fan can be reduced at night.

Further, according to the configuration of the fourth means, the user sets the lighting method of the lighting device and the operating method of the ventilation fan, so that the lighting device can be turned on and the ventilation fan can be operated in accordance with the intention of the user. .

[0025]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS.

As shown in the figure, an illuminance detection unit 1 including an illuminance sensor for detecting the brightness of the room, a human detection unit 2 including an infrared sensor for detecting the presence of a person, and a signal from the illuminance detection unit 1 Is a predetermined first prescribed light amount value (for example, 50
1x) and a second specified light amount value (for example, 10lx) for determining the illuminance, a person determining section 4 for determining a signal from the person detecting section 2, the illuminance determining section 3 and the person determining section. A control unit 7 for controlling the lighting of the lighting device 5 and the operation of the ventilation fan 6 by the signal from the control unit 4 is provided.

In the above structure, when the person detecting section 2 detects the presence of a person and the person judging section 5 judges that a person has entered the room, the first brightness of the room detected by the illuminance detecting section 1 is detected. The specified light intensity value (50 lx) and the second specified light intensity value (10
1x), the illuminance determination unit 3 determines that the indoor brightness is the first
Specified light amount value (50 lx) and second specified light amount value (10 l
When it is determined that the brightness is higher than x), the control unit 7 starts the operation of the ventilation fan 6 with the lighting device 5 turned off, and then the human detection unit 2 confirms that a person is present in the room. During the detection, the signal from the illuminance detection unit 1 is invalidated and the state of the illumination device 5 is kept off. When the person exits the room and the person determination unit 4 determines that the person exits the room, the control unit 7 stops the ventilation fan 6 after leaving it for a predetermined time.

When the human detecting unit 2 detects the presence of a person and the human discriminating unit 4 determines that a person enters the room, the brightness of the room detected by the illuminance detecting unit 1 is defined as the first specified light amount. As compared with the value (50 lx) and the second specified light amount value (10 lx), the illuminance determination unit 3 has a room brightness that is darker than the first specified light amount value (50 lx) and brighter than the second specified light amount value (10 lx). If the control unit 7 determines that the lighting device 5
After turning on the light immediately after turning off the light and starting the operation of the ventilation fan 6, while the human detecting unit 2 detects that a person is present in the room, the illuminance detecting unit 1 The signal becomes invalid and the state of the lighting device 5 is kept on.
Then, when the person exits the room and the person determination unit 4 determines that the person exits the room, the control unit 7 causes the illumination device 5 to exit.
Is turned off, and the ventilation fan 6 is stopped after being operated for a predetermined time.

When the human detecting unit 2 detects the presence of a person and the human discriminating unit 4 determines that a person enters the room, the brightness of the room detected by the illuminance detecting unit 1 is defined as the first specified light amount. Compared with the value (50 lx) and the second specified light amount value (10 lx), the illuminance determination unit 3 determines that the indoor brightness is darker than the first specified light amount value (50 lx) and the second specified light amount value (10 lx). In this case, the control unit 7 makes the lighting device 5 gradually brighter than the unlit state and puts it in the lit state to start the operation of the ventilation fan 6, and then the human detection unit 2 has a person in the room. While this is being detected, the signal from the illuminance detection unit 1 is invalid and the state of the lighting device 5 is kept on. When the person exits the room and the person determination section 4 determines that the person exits the room, the control section 7 turns off the lighting device 5 and stops the ventilation fan 6 after the operation for a predetermined time. Let

As described above, according to the ventilation fan with the illuminance adjusting device of the first embodiment of the present invention, when a person enters the room,
When the brightness of the room is brighter than the first specified light quantity value and the second specified light quantity value, the lighting device 5 is kept in the off state, and when the person enters the room, the brightness of the room is the first. When it is darker than the specified light amount value and brighter than the second specified light amount value, the lighting device 5 is turned on immediately after being turned off, and when a person enters the room, the brightness of the room is the first specified light amount value. And when it is darker than the second specified light amount value, the lighting device 5 is gradually made brighter than when it is turned off, and in both cases, the state of the lighting device 5 is continued when a person is present in the room. When a person leaves the room, the lighting device 5 is turned off. Therefore, the lighting device 5 is turned off when lighting is not necessary, and when there is extraneous light from a window or the like in the room such as in the evening, it is not so dark. The lighting effect of the lighting device 5 immediately appears, and And thus there is no feel the gradually lit the user glare when dark.

Next, a second embodiment of the present invention will be described with reference to FIG.
This will be described with reference to FIG.

The same parts as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted. As shown in the figure, the control unit 8 for controlling the lighting of the lighting device 5 and the operation of the ventilation fan 6 is controlled by the signals from the illuminance discriminating unit 3 and the human discriminating unit 4 so that the room brightness is less than the first specified light amount value (50 lx) When the value is less than the second prescribed light amount value (10 lx) which is small, the remaining operation time of the ventilation fan 6 is controlled to be shorter than that of other brightness.

In the above structure, when the human detecting unit 2 detects the presence of a person and the human discriminating unit 4 determines that a person has entered the room, the first brightness of the room detected by the illuminance detecting unit 1 is detected. The specified light intensity value (50 lx) and the second specified light intensity value (10
1x), the illuminance determination unit 3 determines that the indoor brightness is the first
Specified light amount value (50 lx) and second specified light amount value (10 l
When it is determined that the room is darker than x), when the person determination unit 4 confirms that the person has left the room, the control unit 8 turns off the lighting device 5 and sets the ventilation fan 6 to a predetermined brightness shorter than the other cases. The ventilation fan 6 is stopped after the operation is left alone for a time.

As described above, according to the ventilation fan with the illuminance adjusting device of the second embodiment of the present invention, the amount of activity of the person decreases and the number of times the person enters the room is reduced at night when the brightness of the room is very dark. Since it is considered that the ventilation fan 6 is reduced, the remaining operation time of the ventilation fan 6 is shortened as compared with the case of other brightness, and the ventilation fan 6 is not operated more than necessary, so that electric energy is not wasted.

Next, a third embodiment of the present invention will be described with reference to FIG.
The description will be made with reference to FIG.

The same parts as those in the first and second embodiments are designated by the same reference numerals, and the description thereof will be omitted.

As shown in the figure, the control unit 9 for controlling the lighting of the illuminating device 5 and the operation of the ventilation fan 6 is controlled by the signals from the illuminance discriminating unit 3 and the human discriminating unit 4 so that the indoor brightness is the first prescribed light amount value ( Second prescribed light intensity value (10 lx)
In the case of lx) or less, the configuration is such that the remaining operation of the ventilation fan 6 is not performed.

In the above structure, when the human detecting unit 2 detects the presence of a person and the human discriminating unit 4 determines that a person has entered the room, the first brightness of the room detected by the illuminance detecting unit 1 is determined. The specified light intensity value (50 lx) and the second specified light intensity value (10
1x), the illuminance determination unit 3 determines that the indoor brightness is the first
Specified light amount value (50 lx) and second specified light amount value (10 l
When it is determined that it is darker than x), when the person determination unit 4 confirms that the person leaves the room, the control unit 9 turns off the lighting device 5 and stops the ventilation fan 6.

As described above, according to the ventilation fan with the illuminance adjusting device of the third embodiment of the present invention, since the ventilation fan 6 is not left in operation at night when noise is a concern, the noise generated by the operation of the ventilation fan 6 is at night. Can be reduced to.

Next, a fourth embodiment of the present invention will be described with reference to FIG.
The description will be made with reference to FIG.

As shown in the figure, the lighting device 5 is turned on by signals from the control setting unit 10, the illuminance determination unit 3, the person determination unit 4, and the control setting unit 10 for setting the lighting of the lighting device 5 and the operation of the ventilation fan 6. And a control unit 11 for controlling the operation of the ventilation fan 6.

In the above structure, the user sets the control setting unit 1
When 0 is operated to set “automatic” or “manual”, and when “manual” is set, the lighting method of the lighting device 5 and the operating method of the ventilation fan 6 are further set. The lighting device 5 is turned on and the ventilation fan 6 is operated according to the contents of the control setting unit 10. In the case of "manual", the illuminance detection unit 1 and the human detection unit 2 do not operate.

As described above, according to the ventilation fan with the illuminance adjusting device of the fourth embodiment of the present invention, the user sets the lighting method of the lighting device 5 and the operation method of the ventilation fan 6 by the control setting unit 10, so that the user It is possible to control the lighting device 5 and the ventilation fan 6 reflecting the will of the above.

[0044]

As is apparent from the above embodiments, according to the present invention, the control unit for controlling the lighting of the lighting device and the operation of the ventilation fan is controlled by the signal from the illuminance discriminating unit and the human discriminating unit. When receiving the light, the ventilation fan is operated, and the lighting device is turned off when the room brightness is equal to or higher than the first specified light amount value, is turned on when the brightness is equal to or lower than the first specified light amount value and is equal to or higher than the second specified light amount value, and is equal to or less than the second specified light amount value. In the case of, the lighting state is gradually increased while continuing to light up, and when the presence of a person is no longer detected, the lighting device is turned off, and the ventilation fan is configured to be controlled to stop after operating for a predetermined time. When the lighting is not needed, the lighting is turned off.When there is extraneous light from windows in the room such as in the evening, the lighting is turned on as soon as a person enters the room. Effect appears immediately, can provide illumination adjustment device with exhaust fans that would never feel people to enter the illumination device gradually lit user glare when darker.

Further, at night when it is considered that the amount of activity of the person decreases and the number of times the person enters the room also decreases, the remaining operation time of the ventilation fan is shortened, so that electric energy is not wasted.

Further, since the ventilation fan is not left in operation at night when noise is a concern, noise due to operation of the ventilation fan can be reduced at night.

Further, since the user sets the lighting method of the lighting device and the operating method of the ventilation fan, it is possible to turn on the lighting device and operate the ventilation fan reflecting the user's intention.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a ventilation fan with an illuminance adjusting device according to a first embodiment of the present invention.

FIG. 2 is a flowchart showing the operation of the ventilation fan with the illuminance adjustment device of the first embodiment.

FIG. 3 is a block diagram showing the configuration of a ventilation fan with an illuminance adjustment device according to the second embodiment.

FIG. 4 is a flowchart showing the operation of the ventilation fan with an illuminance adjustment device of the second embodiment.

FIG. 5 is a block diagram showing the configuration of a ventilation fan with an illuminance adjustment device according to the third embodiment.

FIG. 6 is a flowchart showing the operation of the ventilation fan with an illuminance adjustment device of the third embodiment.

FIG. 7 is a block diagram showing the configuration of a ventilation fan with an illuminance adjustment device according to the fourth embodiment.

FIG. 8 is a front view of a control setting unit of the ventilation fan with an illumination adjusting device according to the fourth embodiment.

FIG. 9 is a block diagram showing a configuration of a conventional ventilation fan with an illuminance adjustment device.

FIG. 10 is a flowchart showing the operation of the ventilation fan with the same illuminance adjusting device.

[Explanation of symbols]

 1 Illuminance detection unit 2 Person detection unit 3 Illuminance determination unit 4 Person determination unit 5 Lighting device 6 Ventilation fan 7 Control unit 8 Control unit 9 Control unit 10 Control setting unit 11 Control unit

Claims (4)

[Claims] 1. A ventilation fan having an illuminating device, wherein an illuminance detecting section for detecting the brightness of a room, a person detecting section for detecting the presence of a person, and a signal from the illuminance detecting section are provided with a predetermined first light amount value and An illuminance discriminating section that discriminates by comparing with a second prescribed light quantity value having a smaller luminous intensity than the first prescribed light quantity value, a person discriminating section that discriminates a signal from a human detecting section, and illumination by a signal from the illuminance discriminating section and the human discriminating section A control unit for controlling lighting of the device and operation of the ventilation fan is provided, and the control unit operates the ventilation fan when receiving a signal in which a person is present, and controls the lighting device so that the brightness of the room is equal to or more than the first specified light amount value. When it is, the light is turned off, when it is less than or equal to the first specified light amount value, it is turned on, and when it is less than or equal to the second specified light amount value, the light amount is gradually increased while continuing to be turned on, and the presence of a person is not detected. Turn off the lighting device, After operating the Kefan for a predetermined time,
Ventilation fan with illuminance adjustment device configured to control to stop. 2. When the indoor brightness is equal to or less than the second specified light quantity value, which is smaller than the first specified light quantity value, a control unit is provided to shorten the remaining operating time of the ventilation fan as compared with the other brightness. Ventilation fan with illuminance adjustment device described in 1. 3. The ventilation fan with an illuminance adjusting device according to claim 1, further comprising a control unit for not performing the remaining operation of the ventilation fan when the brightness of the room is equal to or less than the second specified light intensity value, which is smaller than the first specified light intensity value. . 4. A control setting unit that sets lighting of the lighting device and operation of the ventilation fan, and a control unit that controls lighting of the lighting device and operation of the ventilation fan based on signals from the illuminance determination unit, the person determination unit, and the control setting unit. The ventilation fan with an illuminance adjusting device according to claim 1, which is provided.