JP2002330539A - Power supply switch - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a simple and easy-to-use power supply switch that reliably detects the generation of a specific gas in a monitored area to automatically actuate prescribed electrical devices. SOLUTION: The switch comprises: a parent device 1a, which is connected between electrical devices 33-36, 52 that function on a commercial power source 14 and the commercial power source 14, to control power supply to the electric devices 33-36, 52; a child device 1b that controls the supply of power by the parent device 1a by sending control signals to the parent device 1a by near-IR rays 6 or radio waves. An input switch 8, which outputs control signals to forcibly switch the parent device 1a between a power-supply status and a power cut-off status, is provided on the child device 1b. A gas detector 3 is further provided on the parent device 1a or the child device 1b to detect the specific gas, which switches the parent device 1a to a power-supply status.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a power supply switch.

[0002]

2. Description of the Related Art Conventionally, for example, detection of leakage of gas harmful to the human body such as CO (so-called gas leakage) or smoke of cigarettes (hereinafter simply referred to as specific gas) in kitchens and bathrooms of general households, for example. Gas detectors that detect that the concentration of the specific gas has become equal to or higher than a predetermined set value, emit a warning sound, or turn on or blink a warning light are commercially available and are in practical use.

[0003]

However, the above-mentioned conventional gas detector only issues an alarm or the like when the concentration of a specific gas in a region to be monitored (monitoring target region) becomes higher than a set value. It is not possible to operate an air conditioner such as an air conditioner or an air purifier to cause indoor ventilation, and to operate the air conditioner, it is necessary for a person who has confirmed the alarm or the like to turn on the electric device. There is. In addition, it is necessary to provide wiring for a gas detector and wiring for an air conditioner.

[0004] The present invention has been made in consideration of the above-mentioned matters, and an object thereof is to reliably detect the generation of a specific gas in a monitoring target area and to automatically operate a predetermined electric device. It is to provide a simple and easy-to-use power supply switch.

[0005]

In order to achieve the above object, a power supply switch according to the present invention is connected between an electric device functioning with a commercial power supply and the commercial power supply, and controls power supply to the electric device. And a slave unit that transmits near infrared or radio wave control signals to the master unit to control power supply by the master unit. An input switch for outputting a control signal for forcibly switching the non-supply state is provided, and a gas detector for detecting a specific gas in the parent unit or the child unit and switching the parent unit to the power supply state. Is provided (claim 1). In addition,
Wherein the specific gas, addition of CO _2, LPG, LNG, C
O, ammonia gas, chlorine gas, and other gases that cause discomfort or are harmful to the human body and cigarette smoke.

Therefore, the power supply switch can automatically detect the specific gas in the monitoring target area and automatically control the power supply to the electric equipment without performing any special wiring work. By operating the input switch, it is possible to control the power supply forcibly according to the user's intention and request. In other words, by forcibly switching between the power supply state and the power non-supply state by at least the parent device, when the user does not want to operate the electric device, the electric device is operated even if the concentration of the specific gas exceeds the set value. This can be done not, or if the user wants to keep the electrical equipment running.

When the gas detector is provided in the master unit, the user operates the input switch from outside the monitoring area of the specific gas by the gas detector with the slave unit to switch to the power non-supply state. Thus, switching to the power supply state is prevented. In addition, when the gas detector is provided in the slave unit, by providing the slave unit at a position optimal for detecting the specific gas in the monitoring target region, the specific gas in the monitoring target region can be reliably detected, Electric equipment can be controlled accurately.

In the case where an air conditioner such as a ventilation fan, an air conditioner, or an air purifier is used as the electric device to be supplied with power by the power supply switch, the monitored area such as a room is quickly ventilated or the air is cleaned. Can be Further, the electric device may be a warning device such as a warning light or a warning buzzer.

In the case where the master unit or the slave unit includes a timer for maintaining the power supply state for a predetermined time (claim 2), the user sets the timer. In addition, it is possible to set the time of the power supply operation accompanying the detection of the specific gas. In other words, when a ventilation fan or the like is connected as the electric device, control such as automatic activation and timer operation can be performed.

In the case where the slave unit is provided with a power setting input switch for setting the amount of power to be supplied to the master unit (claim 3), for example, in an electric device such as a ventilation fan, the specific gas Energy saving can be achieved by increasing or decreasing the ventilation capacity according to the level of the concentration.

Further, the electric device is an air conditioner such as a ventilation fan, an air conditioner or an air purifier, and the master device is provided on any of a wall, a pillar, a kitchen facility, and a ventilation device. In the case where a specific gas is detected in a monitoring target area such as a room where the air conditioner is provided, by operating the electric device, the monitoring target area is quickly ventilated or the air is cleaned. can do.

[0012]

Embodiments of the present invention will be described with reference to the drawings. 1 to 3 show a first embodiment of the present invention. In these figures, reference numeral 1 denotes a power supply switch according to the present invention, which comprises a master unit 1a and a slave unit 1b.

First, the configuration of the slave unit 1b will be described with reference to FIGS. In these figures,
Reference numeral 2 denotes a rectangular case made of an appropriate material, for example.
The case 2, as compared with a gas sensor 3a for detecting a specific gas (e.g., CO gas), an amplifier 3b for amplifying an output signal from the gas sensor 3a, the amplified output signal to a threshold S ₁ Gas A gas detector 3 as a gas monitor including a comparator 3c that outputs a detection pulse is provided.

The remote unit 1b has a near-infrared remote control unit 4 which receives a gas detection pulse from the gas detector 2 and generates a control signal to be transmitted to the main unit 1a. In addition to an amplifier 5 for amplifying a control signal, a near-infrared light emitting diode 7 for emitting the amplified control signal to a near-infrared ray 6 having a wavelength of about 0.7 to 1.3 μm at one end of the case 2 is provided. An input switch 8 for inputting various commands to the near infrared remote controller 4 is provided on the front of the case.

The near-infrared remote control unit 4 includes a master unit 1a.
Transmission code storage unit 4a for storing a transmission code of a control command to be transmitted to an oscillator, and an oscillation circuit 4b for generating a modulation fundamental wave
And not only generates a control signal for the near-infrared ray 6 but also controls the slave unit 1b. That is, when the gas detector 3 is provided in the slave unit 1b as in this embodiment, depending on the operation mode, the gas detection signal from the gas detector 3 is ignored and the near infrared rays 6 are not generated. Can be controlled.

The input switch 8 includes, for example, a power-on switch 8a, a power-off switch 8b, a sensor mode switch 8c, a power setting switch 8d, a timer setting switch 8e, and the like. The power-on switch 8a is
This is a switch for forcibly supplying power from the master unit 1a even if gas detection by the gas detector 3 is not performed, and is for continuously supplying power unless the power-off switch 8b is pressed. Therefore, the user can switch the power supply switch 1 to the manual mode by pressing the power-on switch 8a.
Signal control circuit 17 of base unit 1b even if gas detection by
Outputs a power supply signal P ₁ to (described later), the supply of power to electrical equipment can be continuously performed.

The power-off switch 8b is a switch for stopping the supply of electric power, and is in a state where electric power is supplied by the power-on switch 8a, or when the sensor mode switch 8c has a function (including a standby state). ), The power supply to the electric device is stopped when the power-off switch 8b is pressed.

The sensor mode switch 8c is
An input switch for switching to a sensor mode in which the power is automatically switched to a power supply state by gas detection by the gas detector 3. This is used when it is desired to perform automatic control of the power supply by the sensor when the power supply switch 8a is pressed to switch to the manual mode to forcefully switch to the power supply state.

Further, the power setting switch 8d (input switch for power setting) is used to set the mode of the supplied power in any of the above-mentioned operation modes (sensor mode and manual mode). Then, the power setting switch 8d includes a normal power setting switch 8d ₁ for supplying normal power, and an energy-saving power setting switch 8d ₂ for supplying to reduce power. In other words, by adjusting the power supplied to the electric device according to the level of the concentration of the specific gas, the operation of the electric device can be controlled to some extent, such as adjusting the ventilation capacity and reducing the power consumption.

The amount of power reduction can be controlled by chopping with a semiconductor such as a triac or thyristor provided in the output power control unit 20 (described later), or by controlling the voltage with a sliding voltage regulator or a coil. Or by an inverter. Further, the energy-saving power setting switch 8d ₂ by pressing several times, may be able to adjust the power to be phased out. Further, the set amount of power may be displayed on the display unit 9 of the slave unit 1b.

The timer setting switch 8e
(Input switch for timer setting)
Mode of the timer circuit 18 (described later)
This is for setting the password. This timer setting switch 8
e is determined by the timer circuit 18 after the power supply state.
To automatically turn off the power after a certain period of time.
Constant time setting switch 8e for changing₁And once power
After the power is turned on, power must be turned off until the power is turned off.
Constant supply setting switch 8e for continuing supply _TwoAnd
It has become.

The setting by the input switches 8d and 8e is performed by the near-infrared remote control unit 4 of the slave unit 1b or the signal control circuit 17 (described later) of the master unit 1a regardless of the operation by the input switches 8a to 8c. It is memorized.

Reference numeral 10 denotes a display unit, for example, an LED for displaying the time set by the timer circuit 18, and a similar display unit is provided in the master unit 1a.

The handset 1b having the above structure is held vertically, for example, by an appropriate holder 11, for example.

Next, the configuration of the master unit 1b will be described with reference to FIGS. In these figures,
Reference numeral 12 denotes a substantially rectangular parallelepiped case made of an appropriate material. The case 12 is provided with a near-infrared light receiving element 13 for receiving near-infrared rays 6 transmitted from the light emitting diode 7 of the slave unit 1b, and a commercial power supply 14 is provided. Are provided with a power input unit (input plug) 15 and an output outlet 16 for supplying electric power to electric equipment. The input plug 15 protrudes from the rear side of the case 12, and the output outlet 16 is provided on the front side of the case 12 in which the near-infrared light receiving element 13 is provided.

The base unit 1 a includes, in its case 12, the near-infrared ray 6 received by the near-infrared ray receiving element 13.
A signal control circuit 17 that decodes a control signal from the controller and generates a pulse signal P ₁ , a timer circuit 18 that generates a pulse signal P ₂ for a predetermined period according to a command from the signal control circuit 17, and an input plug 15 DC power supply circuit 19 comprising a rectifier circuit 19a for rectifying the power supply and a stabilized power supply circuit 19b for supplying stable DC power, and a state of supply / non-supply of power input from input plug 15 by pulse signals P ₁ and P ₂ . An output power control unit 20 is connected to the output outlet 16 for switching the supply state and adjusting the supply power.

[0027] The timer circuit 18 is, for example, a one-shot multivibrator, the width of the pulse signal P ₂ to be output, for example, are to be set to several seconds to several minutes. The set time of the timer circuit 18 in this embodiment is determined by the input switch 8e ₁ provided in the slave 1b.
The setting may be made in the master unit 1a. For example, the setting may be made by a variable resistor or by an input switch (not shown) such as a separately provided push button. Further, the set time of the timer circuit 18 may be fixed. Further, the timer circuit 18 may be omitted.

FIG. 3 shows an example of installation of the power supply switch 1 having the above-described configuration. A master unit 1a of the power supply switch 1 is connected to a power outlet 32 provided appropriately on a wall 31 of a room 30 or the like. A plug 15 is inserted and connected, and a ventilation fan 33, an air conditioner 34, an air purifier 35, and an alarm device 36d are connected to an output outlet 16 of the power supply switch 1.
And the other handset 1b
Is provided at an appropriate position in a room. In FIG. 3, various electric devices 33 to 36 are stored in one room 30.
However, it is needless to say that this is not necessary.

Therefore, for example, the power supply switch 1
When the ventilation fan 33 is electrically connected to the master unit 1a and the slave unit 1b is arranged at an appropriate position in the room 30, when a specific gas is detected in the room 30, the gas detector 3 in the slave unit 1b operates. Then, a control signal is sent from slave unit 1b to master unit 1a, and master unit 1a operates so that predetermined power is supplied to ventilation fan 33 based on the control signal.

As described above, according to the power supply switch 1 of the present invention, it is possible to reliably detect the generation or leakage state of the specific gas in the room 30, and the air conditioner such as the ventilation fan provided in the room 30 33-35 can be operated quickly and unattended. In addition, as shown in FIG. 3, when a warning device 36 such as a warning light or a warning device is connected to the base unit 1a, it is possible to quickly notify the generation of the specific gas in the room 30 and the like.

According to the power supply switch 1, there is no need to separately provide wiring for gas monitoring and electrical wiring for operating the electric equipment. Without monitoring, it is possible to operate the electric device based on the predetermined gas monitoring and the monitoring result, and it is possible to automatically realize a comfortable state even when unattended.

In the above embodiment, since the gas detector 3 is provided on the movable slave unit 1b, its installation location can be freely changed, and the gas detector 3 can be placed in a place or area to be monitored in the room. And it is possible to reliably monitor a portion or an area to be monitored.

Further, a power-on switch 8 is
a) By providing the power-off switch 8b, it is possible to perform control according to the user's request. An input switch 8d for power setting and timer setting is provided to the slave unit 1a.
To 8e to provide various operation modes,
Arbitrary control according to the electric equipment can be performed.

In the above embodiment, the light emitting diode 7 is attached to the end face of the slave unit 1b. The near-infrared ray 6 may be made to easily reach the base unit 1a. Further, the near infrared ray 6 may be provided on the entire surface of the slave unit 1b so that the near-infrared ray 6 can reach the master unit 1a more reliably even if the slave unit 1b is left in any situation.

Further, in the above embodiment, the gas detector 3 is provided on the slave unit 1b. Alternatively, the gas detector 3 may be provided on the master unit 1a.

As the gas detector 3, in addition to gas detectors other than CO, LPG, LNG, CO ₂ , ammonia gas, chlorine gas, etc. may cause discomfort or may be harmful to the human body. May be respectively detected. The power supply switch 1 can be used in a wide range of fields, such as factories, buildings, offices, as well as ordinary homes.

Further, in the above embodiment, the time set by the timer circuit 18 can be confirmed by the LED display 10 on the master unit 1a and the slave unit 1b. It may be provided, a liquid crystal display may be provided, or the identification may be made based on the length and type of the beep sound emitted by the base unit 1a when the control signal of the near infrared ray 6 is received.

In the first embodiment described above, the master unit 1a of the power supply switch 1 is provided by inserting and connecting the input plug 15 to a power outlet 32 suitably provided on a wall 31 of the room 30 or the like. However, instead of this, the base unit 1a
Instead of connecting it to a power outlet 32,
It may be provided in any of kitchen equipment, ventilation equipment, and the like, and the electric equipment may be turned on or off. Less than,
This will be described in detail with reference to FIGS. In these figures, the same components as those shown in FIGS. 1 to 3 are the same or equivalent.

FIGS. 4 to 7 show a second embodiment of the present invention. The power supply switch 1 in this embodiment includes:
Although there is almost no difference from the power supply switch 1 in the first embodiment, an auxiliary battery 41 for charging is provided in the power supply circuit 19 and, as shown in FIGS. The power supply line 42a is connected to the commercial power supply 14 and the other end is connected to the power supply line 42a.
The power supply unit 20 is connected to the ventilation fan 33 through b, and an on / off switch 43 for forcibly turning on the power is connected to the output power supply unit 20 in parallel.
As shown in FIG. 4, the base unit 1a thus configured
It is housed in an outlet box 45 on the back of the receiving panel 44.

The master unit 1a having the above configuration is provided on a wall, for example, as shown in FIG. That is, reference numeral 46 denotes a wall around the monitoring target area, and a hole 47 formed in the wall 46 includes:
Originally, a switch unit 48 for controlling the ventilation fan 33 to be turned on and off is provided. The switch unit 48 includes a switch panel 48a and a switch box 48b. The switch panel 48a has an on / off operation unit 48c for on / off switching operation. In the second embodiment, a master unit 1a of the power supply switch 1 having the above configuration is provided in place of the switch unit 48.

That is, the existing switch portion 48 is removed, and the base unit 1a is replaced with a hole 47 formed in the wall 46.
7 and by performing predetermined wiring, as shown in FIG. 7, the wall 46 of the room 49 in which the ventilation fan 33 is provided.
The master unit 1a for controlling the ventilation fan 33 is attached thereto. At this time, the child device 1b is provided at an appropriate position in the room 49.

A specific gas (for example, C
When the concentration of O) becomes equal to or higher than the set value, this is detected by the gas detector 3 of the slave unit 1b, and the output power supply unit 20 of the master unit 1a is turned on by a power-on command sent from the slave unit 1b, The ventilation fan 33 is remotely operated to start a ventilation operation. When the CO concentration becomes less than the set value, the ventilation fan 33 is stopped after a lapse of a predetermined time by a power-off command from the slave unit 1b.

In the second embodiment, the on / off switch 4 is connected to the output power supply unit 20 of the base unit 1a.
3, the ventilation fan 33 can be turned on and off irrespective of the detection of CO by the slave unit 1b.

Incidentally, also in the second embodiment, similarly to the first embodiment, the gas detector 3 may be provided on the master unit 1a side.

In the second embodiment, the master unit 1a
Can be provided at various positions. That is, as shown in FIG. 8, it may be provided on a pillar 50, or as shown in FIG. 9, may be provided on a kitchen equipment 51 such as a gas table in a kitchen. Further, as shown in FIG. The present invention can be implemented in various modes, for example, provided in the portion 52a.

Further, in the master unit 1a of the second embodiment, the on / off switch 43 is provided in parallel with the output power supply unit 20, but this may be omitted, and the auxiliary battery 41 for charging is also provided. It is not necessarily required.

Further, in the above-described first and second embodiments, the control signal from the slave unit 1b to the master unit 1a is transmitted by the near-infrared ray 6, but the radio wave is used as the control signal. Is also good. In this case, the members indicated by reference numerals 4, 5, 7, 13, and 17 need to be replaced with members for radio waves.

[0048]

As described above, according to the power supply switch of the present invention, even if no special wiring work is performed,
In addition to automatically controlling the power supply to electrical equipment by detecting a specific gas, by controlling the input switch provided in the slave unit, control of the forced power supply according to the user's intention and demand It can be performed. Also,
When the master unit or the slave unit is provided with a timer for maintaining the power supply state for a predetermined time, the user sets the timer so that the power supply operation accompanying the detection of the specific gas is performed. You can set the time. That is,
When a ventilation fan or the like is connected as the electric device, it is possible to perform control such as automatic activation and timer operation.

Then, as an input switch on the slave unit,
If a power-off switch is provided to put the master unit in the non-supply state and suppress switching to the power supply state by the gas detector for a predetermined time, the power supply by the master unit is forcibly stopped by remote control. In addition to being able to cause the power supply switch to switch to the power supply state by the gas detector for a predetermined period of time after pressing the power off switch, the power supply to the electric device is stopped and the user leaves the place Thus, it is possible to prevent a situation in which the operation is detected and the power supply to the electric device is started again.

Further, when the master unit is provided on a wall or a pillar near the monitoring target area, or on kitchen equipment or ventilation equipment provided in the monitoring target area, there is an advantage that no special wiring is required.

[Brief description of the drawings]

FIG. 1 is a perspective view illustrating a power supply switch according to a first embodiment.

FIG. 2 is a diagram schematically showing an electrical configuration of the power supply switch.

FIG. 3 is a perspective view showing an example using the power supply switch.

FIG. 4 is a perspective view showing a power supply switch according to a second embodiment.

FIG. 5 is a diagram schematically showing an electrical configuration of the power supply switch.

FIG. 6 is an equivalent circuit diagram of an electric device incorporating the power supply switch.

FIG. 7 is a perspective view showing an example using the power supply switch.

FIG. 8 is a perspective view showing an example using the power supply switch.

FIG. 9 is a perspective view showing an example using the power supply switch.

FIG. 10 is a perspective view showing an example using the power supply switch.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Power supply switch, 1a ... Master machine, 1b ... Child machine, 3 ...
Gas detector, 6 ... Near infrared ray, 8 ... Input switch, 8a ...
Power on switch, 8b Power off switch, 8d Power setting input switch, 14 Commercial power supply, 18 Timer, 33-35 Ventilation equipment, 36 Electrical equipment, 46
... walls, 50 ... pillars, 51 ... kitchen equipment, 52 ... ventilation equipment.

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Kazutaka Okamoto 2 Higashi-cho, Kichijoin-gu, Minami-ku, Kyoto, Kyoto Inside Horiba, Ltd. (72) Inventor Noboru Hayakawa 1-1-15, Edobori, Nishi-ku, Osaka-shi, Osaka No. F-term in TechJam Co., Ltd. (reference) 5C086 AA02 BA01 DA08 EA43 FA02 FA12 5K048 AA04 AA05 BA08 BA12 BA14 DB04 EB02 EB10 FC03 HA01 HA02 HA31

Claims (4)

[Claims] 1. A base unit connected between an electric device functioning with a commercial power supply and a commercial power supply for controlling power supply to the electric device, and transmitting a near infrared or radio wave control signal to the base unit. An input switch for transmitting a control signal for forcibly switching between a power supply state and a power non-supply state by the master unit, the slave unit transmitting and controlling power supply by the master unit; And,
A power supply switch provided with a gas detector for detecting a specific gas and switching the parent device to a power supply state in the parent device or the child device. 2. A timer provided in the master unit or the slave unit for maintaining the power supply state of the master unit for a predetermined time.
A power supply switch according to item 1. 3. The power supply input switch for setting the amount of power to be supplied to the master unit is provided in the slave unit.
Or the power supply switch according to any one of 2. 4. The electric device is an air conditioner, the master device is a wall,
The power supply switch according to any one of claims 1 to 3, wherein the power supply switch is provided in any of a pillar, kitchen equipment, and ventilation equipment.