JPH0854141A - Timer switch - Google Patents

Abstract

PURPOSE:To provide a timer switch, capable of setting a time, wherein proper ventilation can be effected easily, and improved in handling convenience. CONSTITUTION:A detecting output from a humidity sensor, arranged in a bathroom, is inputted into a control means or a microcomputer 5. A switch means 3 is put ON by the output of the microcomputer 5 to supply an electric power to a ventilating fan 1 from a commercial electric power supply AC. The operating condition of an operating button is inputted by switches SW1-SW3, put ON/OFF by the operating button of a switch operation unit, whereby an automatic mode, a continuous mode and a stopping mode are switched. In the automatic mode, the microcomputer 5 is programed so as to set an ON time, putting the switch means 3 ON in accordance with the level of the detecting output. A photocoupler PC is put ON based on the level of the detecting output. A photocoupler PC is put ON based on ventilating fan 1 can be operated during the optimum period of time to effect ventilation.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention detects the humidity of a place where a ventilation fan, which is a load, is installed by a humidity sensor, and sets the time for operating the ventilation fan based on the detection output level of the humidity sensor. It relates to a timer switch.

[0002]

2. Description of the Related Art Conventionally, a ventilation fan has been installed in a place where the humidity is extremely high, such as a bathroom, and a switch for operating the ventilation fan is provided with a dial for setting an operation time. A timer switch has been widely used that automatically stops the operation of the ventilation fan when the set time is timed.

[0003]

However, in the above-described conventional timer switch, the operator actually operates the dial to set the operating time of the ventilation fan when the bathroom is ventilated. There was a problem that the bathroom would be fogged due to the lack of proper ventilation during the operation of, and conversely, electricity would be wasted due to an unnecessarily long set time.
Moreover, it is troublesome for the operator to operate the dial to set the operation time of the ventilation fan, which is not convenient.

An object of the present invention is to solve the above-mentioned problems, and an object of the present invention is to provide a timer switch which can easily set the time for performing appropriate ventilation and has improved usability.

[0005]

In order to achieve the above object, the invention of claim 1 is a switch which is inserted between a power source and a ventilation fan as a load to turn on / off the power supply from the power source to the ventilation fan. Means, an operation switch section for switching the operation of the ventilation fan, a humidity sensor for detecting the humidity of the place where the ventilation fan is arranged, and an on-time for turning on the switching means based on the detection output level of the humidity sensor. Along with this, there is provided a control means for performing a timed operation of the on-time according to the state of the operation switch section to control the on / off of the switch means.

According to a second aspect of the present invention, in the first aspect of the present invention, regardless of the output level of the humidity sensor and the automatic mode in which the control means sets the ON time of the switch means according to the output level of the humidity sensor. A continuous mode in which the switch means is turned on and a stop mode in which the switch means is turned off irrespective of the output level of the humidity sensor are switched according to the state of the operation switch section.

The invention of claim 3 relates to claim 1 or claim 2.
In the invention of claim 1, at least three operation switches are attached to a mounting frame for mounting three bodies standardized for the embedded wiring equipment, which are mounted on the front surface of the wiring equipment of three unit sizes. And a coupling claw that can be coupled to the mounting frame is provided on the side surface of the body. According to a fourth aspect of the present invention, in the first to third aspects of the invention, the humidity sensor is housed in a sensor body formed to have a size to be attached to a mounting frame standardized for an embedded wiring device. The humidity sensor and the control means are connected by a connecting line.

[0008]

According to the first aspect of the invention, the switch means is inserted between the power source and the ventilation fan as a load to turn on / off the power supply from the power source to the ventilation fan, and the operation switch for switching the operation of the ventilation fan. Section, a humidity sensor for detecting the humidity of the place where the ventilation fan is installed, and an on-time for turning on the switch means based on the detection output level of the humidity sensor, and the on-time of the operation switch section according to the state of the operation switch section. Since it has a control means for performing a timed operation to control ON / OFF of the switch means, a place where a ventilation fan is arranged to operate a ventilation fan arranged in a place where ventilation is required, such as a bathroom. The humidity is detected by the humidity sensor and the time to operate the ventilation fan is set based on the detected output level, and the time to properly ventilate the place where the ventilation fan is installed is set. It can be set to ease. Also,
There is no need to manually set the operating time of the ventilation fan as in the conventional case, and the troublesome operation can be reduced and the usability can be improved. Moreover, since the ventilation fan is stopped after the set time, it is possible to avoid extra ventilation and save power.

In the configuration of the invention of claim 2, the control means is
An automatic mode in which the on time of the switch means is set according to the output level of the humidity sensor, a continuous mode in which the switch means is turned on regardless of the output level of the humidity sensor, and a switch means regardless of the output level of the humidity sensor Since the stop mode for turning off is switched according to the state of the operation switch section, the operation switch section switches between the automatic mode, the continuous mode and the stop mode, and in the automatic mode, proper ventilation and power saving can be achieved, and continuous operation can be achieved. In the mode and the stop mode, the ventilation fan can be operated or not depending on the situation, so that the usability can be further improved.

According to the third aspect of the present invention, the unit in which at least the operation switch section is provided on the front surface is attached to the mounting frame for mounting three units standardized for the embedded wiring apparatus. Since it is formed to the size of three wiring devices and the connecting claws that can be connected to the mounting frame are provided on the side surface of the body,
It is possible to use the embedded box and the mounting frame provided for the wiring equipment at the time of construction, and it is also possible to use them together with the ordinary wiring equipment.

According to the fourth aspect of the present invention, the humidity sensor is installed in the sensor body which is formed to have a size to be attached to the mounting frame standardized for the embedded wiring device, and the humidity sensor is installed in the sensor body. Since it was connected to the control means with a connecting wire, when installing the humidity sensor in the place where the ventilation fan is installed, the humidity sensor can be used by diverting the embedded box or mounting frame provided for wiring equipment. It can be easily installed on a building surface such as a wall surface.

[0012]

[Embodiment] In the following embodiments, the case where the ventilation fan for ventilating the bathroom and the lighting load for illuminating the bathroom are controlled as loads will be described. However, of course, only the ventilation fan may be controlled as the load. Needless to say. FIG. 1 shows a circuit of an embodiment of the present invention. In this circuit, a power supply terminal E to which a commercial power supply AC is connected, a first load connection terminal L ₁ to which a ventilation fan 1 as a load is connected, and a lighting load 2
And a second load connection terminal L _{2 to} which is connected, the ventilation fan 1 and the lighting load 2 are connected in parallel with the commercial power supply AC to the first load connection terminal L ₁ and the second load connection terminal L ₂ , respectively. Connected to. A switch means 3 is connected between the power supply terminal E and the first load connection terminal L _1. The switch means 3 is a phototriac FTR forming a photocoupler PC and a normal triac T having a trigger terminal.
It has a parallel circuit with RC. That is, when the phototriac FTR forming the switch means 3 is turned on, the triac TRC is triggered and turned on, and the power supply terminal E and the first load connection terminal L ₁ are electrically connected to each other to supply power to the ventilation fan 1. Is designed to work.

Further, the power supply terminal E and the second load connection terminal L
₂The main contact point r of the relay between₁Has been inserted and this
Main contact r₁Is two small electromagnetic relays Ry described later.₁,
Ry ₂Is turned on and off by the main contact r₁Is turned on
Power supply terminal E and second load connection terminal L₂And continuity
Then, power is supplied to the lighting load 2 to illuminate the bathroom.
Swelling.

A diode bridge DB is connected to the subsequent stage of the switch means 3 to convert an AC voltage from the commercial power supply AC into a DC voltage. In addition, the diode bridge D
Between the output end of the B 3 terminal regulator IC4 through the Darlington connection circuit of a pair of transistors Q _1, Q ₂ are connected, a stabilized DC voltage is adapted to obtain.

The input terminal of the three-terminal regulator IC4
The electromagnetic relay Ry is provided between the child and the ground.₁And Sui
Touching transistor Q₃Series circuit with electromagnetic relay
Ry ₂And switching transistor Q_FourAnd a series circuit with
Are connected in parallel with each other. In addition, switching
Langista Q₃, Q_FourSeparate switch for each control terminal
Transistor Q_Five, Q₆Are connected and these
Switching transistor Q_Five, Q₆Will be described later
Each stage is turned on individually,
Itching transistor Q_Five, Q₆Those connected to
Switching transistor Q₃, Q_FourAlso turned on,
As a result, the switching transistor turned on
Q₃, Q_FourElectromagnetic relay Ry connected to₁, Ry₂Encourage
Magnetic current flows and main contact r₁To turn on or off
ing. Here, the electromagnetic relay Ry₁Exciting current flows to
If the main contact r₁Turns on and, conversely, electromagnetic relay R
y₂When an exciting current flows to the main contact r₂Is off
It

In the present embodiment, the control means is composed of a one-chip microcomputer (hereinafter abbreviated as microcomputer 5). The control terminals of the switching transistors Q ₅ and Q ₆ are respectively connected to the output terminals of the 12th and 13th pins of the microcomputer 5, and the electromagnetic relay Ry _{1 is controlled} by the outputs of the 12th and 13th pins of the microcomputer 5. , Ry ₂ flows an exciting current, and the main contact r ₁ is turned on or off.

Further, a light emitting diode LED constituting a photocoupler PC is connected to the 25th pin of the microcomputer 5 via a switching element Q ₇ . Therefore, the light emitting diode LED is driven by the switching element Q ₇ which is turned on by the output of the 25th pin of the microcomputer 5,
As a result, the phototriac FTR of the switch means 3
Is turned on and power is supplied to the ventilation fan 1.

A detection output from a humidity sensor 10 arranged in a bathroom, which will be described later, is input to the 16th pin of the microcomputer 5 from the sensor connection terminal S via the comparator IC _1. Is programmed to turn on the switching element Q ₇ on the basis of the detected output level from, and to turn the switching element Q ₇ on during the timed operation. That is, the switching element Q
_{Since the} switch means 3 is turned on while ₇ is turned on, the ventilation fan 1 operates. Here, the humidity sensor 1
When the detection output level from 0 is relatively high, the humidity in the bathroom is high, so the time (the above-mentioned on-time) for operating the ventilation fan 1 is set to be relatively long, and conversely the detection output level from the humidity sensor 10 is set. When is relatively low, the humidity in the bathroom is not so high, so the microcomputer 5 is programmed in advance so that the time for operating the ventilation fan 1 (the above-mentioned on-time) is set relatively short.

Further, switches 8 1 to 11 of the microcomputer 5 are provided with a switch SW ₁ which constitutes an operation switch section.
~ SW ₄ are connected, and the inputs of the 8th to 11th pins of the microcomputer 5 are changed every time the switches SW _{1 to} SW ₄ are turned on / off. Of these, switch SW ₁
SW ₃ are switches for setting the control mode of the ventilation fan 1. That is, in the present embodiment, as described above, the ON time of the switch means 3 (ON time of the switching element Q ₇ ) depends on the detection output level of the humidity sensor 10.
Of the humidity sensor 10, a continuous mode in which the switch means 3 is turned on regardless of the detection output level of the humidity sensor 10, and a stop mode in which the switch means 3 is turned off regardless of the detection output level of the humidity sensor 10. Each switch S
It can be set by W _{1 to} SW ₃ . That is, the microcomputer 5 performs the control in the automatic mode when the switch SW ₁ is turned on, the control in the continuous mode when the switch SW ₂ is turned on, and the control in the stop mode when the switch SW ₃ is turned on. Is programmed to do

On the other hand, the remaining switch SW ₄ is for the lighting load 2
Switch for turning on / off the switch SW ₄
Is turned on and off, the microcomputer 5 separately programs the electromagnetic relays Ry ₁ and Ry ₂ to turn on and off the main contact r ₁ and turn on and off the lighting load 2. Here, the light emitting diodes 6 _{1 to} 6 ₄ for display are connected to the 19th to 22nd pins of the microcomputer 5, of which the switches SW _{1 to} SW ₃ are turned on for the light emitting diodes 6 _{1 to} 6 ₃ , respectively. When turned on, it lights up to indicate which mode is set. The remaining light emitting diode 6 ₄ is a switch SW ₄
The switch SW ₄ is turned on to turn on the lighting load 2 or when the lighting load 2 is turned off to display the state of the lighting load 2 in the bathroom.

The auxiliary contact r _{2 of the} relay is connected to the 23rd pin of the microcomputer 5. This auxiliary contact r
₂ is turned on at the same time when _one electromagnetic relay Ry ₁ is turned on, and is turned off at the same time when the other electromagnetic relay Ry ₂ is turned on, and is input by turning on / off the auxiliary contact r _2. The signal causes the microcomputer 5 to contact the main contact point r ₁
To obtain information about the open / closed state of the. A reset IC 7 for resetting the microcomputer 5 is connected to the pin 1 of the microcomputer 5.

Next, the external structure of the timer switch of this embodiment will be described. 2A to 2C are a front view, a right side view and a bottom view of the timer switch of this embodiment.
As shown in FIG. 3, the above-mentioned circuit is mounted on a pair of printed circuit boards 7 ₁ and 7 ₂ connected at one end by a connecting portion 7a made of a flat cable or the like, and a body 20a made of synthetic resin, Synthetic resin cover 20b
It is stored in the container body 20 formed by. The body 20a and the cover 20b are provided with body engaging holes 21 provided on body engaging legs 21 provided vertically on a pair of opposing side surfaces of the cover 20b.
The a is engaged with the engagement protrusion 22 of the body 20a to be coupled (see FIG. 2C). This unit body 20 has a standardized unit size wiring so that a maximum of three units can be attached to a mounting frame for three large squares, which is standardized for an embedded type wiring device in the JIS standard or the like. It has the size of three instruments.

On both side surfaces of the cover 20b, coupling claws 23a and 23b corresponding to a pair of engaging holes 40b formed in the vertical pieces of the both side pieces 40a and 40a of the mounting frame 40 are integrally projected. The cutout portions 24 are provided on both sides of one coupling claw 23b (see FIG. 4B), and the coupling claw 2
3b can be elastically pushed inward.

As shown in FIGS. 5 and 6, the body 20a
Connection terminal housings 25, 26 are formed on both sides of the lower end of the power supply terminal board 27 ₁ , 27 for forming the power supply terminal E in one of the connection terminal housings 25.
₂ , lock springs 28 ₁ and 28 ₂ , power supply terminal plates 27 on both sides
₁ , 27 ₂ accommodates a quick-connect terminal composed of a common release button 29, and the other connecting terminal accommodating portion 26 has a terminal plate 30, a lock spring 31, and a terminal plate 30 constituting the _first load connecting terminal L ₁ .
Also, the terminal plate 32 and the lock spring 33 forming the _second load connection terminal L ₂ are housed. In addition, the connection terminal accommodating portion 26 has a first load connection terminal L ₁ and a second load connection terminal L ₂
The common release button 34 is stored. On the lower surface of the body 20a, as shown in FIG. 4C, the positive and negative electrodes of the power supply terminal E, the first load connection terminal L ₁ , and the second load connection terminal L
Wire insertion holes 35 ₁ to 35 ₄ corresponding to ₂ is provided, the power source terminal E constituting the quick connect terminal by inserting a core wire of the electric wire to each wire insertion holes 35 ₁ to 35 _4, a first load Connection terminal L ₁ , second load connection terminal L ₂ , and commercial power supply A
C, the ventilation fan 1, and the lighting load 2 can be electrically connected to each other.

Further, a pair of screw terminals 36 constituting the sensor connection terminal S are provided at the upper end on the rear surface side of the body 20a, and an electric wire is connected to each screw terminal 36 to connect the humidity sensor 10 to the humidity sensor 10.
The detection output from the sensor is input to the sensor connection terminal S. The body 20 is attached to a metal mounting frame 40. That is, the cover 20 is inserted into the window hole of the mounting frame 40 from below.
The lower end of the vertical side of one side piece 40a of the mounting frame 40 is brought into contact with the upper surface of the periphery of the cover 20b so as to be fitted with b, and the connection claw 23a on the fulcrum side is joined by rotating the contact point as a fulcrum. It is engaged in the hole 40b. At this time, the lower edge of the vertical side of the other side piece 40a presses the coupling claw 23b inward by the notch 24 and the elastic force of the material of the cover 20b. In this way, when the coupling claw 23b gets over the lower end of the vertical side of the side piece 40a, the coupling claw 23b is engaged with the engagement hole 40b.

A tapping screw 6 is provided on the back side of the cover 20b.
Printed circuit board 7 fixed by 0 ₂On the front side of the
Switch SW consisting of switches₁~ SW_FourAnd each
Switch SW₁~ SW_FourLight-emitting die that lights according to the state of
Aether 6₁~ 6_FourIs mounted and each switch SW₁
~ SW_FourIs a switch as shown in FIGS. 2 (a) and 4 (a).
Operation buttons 51 of the touch operation section 50₁~ 51_FourOn by
・ Turned off. That is, the printed circuit board 7₂Each sui on
Switch SW₁~ SW_FourIs exposed on the front side of the cover 20b
And four operation buttons 51₁~ 51_FourEquipped with synthetic resin
The switch operation part 50 formed in a flat plate shape by the cover
It is attached to the front surface of 20b. Each operation button 51₁~ 51
_FourAre operating modes of the ventilation fan 1 (automatic mode) in order from the top.
Mode, continuous mode, stop mode), lighting of lighting load 2
It corresponds to turning off the lights. In addition, the light emitting diode 6₁~ 6
_FourThrough hole 52 to irradiate the light of the outside₁~ 52_FourEach
Operation button 51₁~ 51_FourIs provided adjacent to.

On the other hand, as shown in FIGS. 7 and 8, the humidity sensor 10 includes a body 1 having a substantially quadrangular outer flange portion 11b.
1a and a cover 11c attached to the front opening of the body 11a are housed in a sensor body 11. This sensor body 11 has a standardized unit size so that it can be attached to a mounting frame for one large square, which is standardized for an embedded wiring device in JIS standard or the like. Have The humidity sensor 10 may have a well-known configuration, and the type of the humidity sensor 10 is not the gist of the present invention. The humidity sensor 10 is housed in a box, mounted on the printed circuit board 12 as a sensor block, and housed in the recess of the body 11a. Further, a pair of lead wires 13 is connected to the printed circuit board in order to take out the detection output of the humidity sensor 10. As shown in FIG. 9, the lead wire 13 is inserted into the body 11a through a lead wire lead-out hole 14 provided on the back side of the body 11a.
Of the timer switch and connected to the sensor connection terminal S provided on the body 20 of the timer switch.

The outer collar portion 11b of the body 11a has a structure shown in FIG.
There is provided a screw insertion hole 15 for inserting a mounting screw 42 screwed into a screw hole 41a formed in a mounting frame 41 as shown in FIG.
The sensor body 11 can be attached to the mounting frame 41 by screwing 2 into the screw hole 41a of the mounting frame 41 made of metal. Since the humidity sensor 10 is installed in a humid place such as a bathroom, the waterproof packing 16 is provided in the gap between the building surface such as a wall and the outer flange 11b of the body 11a.
It is filled with to improve waterproofness. Further, a decorative plate 17 is attached to the front surface of the outer flange portion 11b so as to cover the entire cover 11c and the outer flange portion 11b. Here, the decorative plate 17 has a plurality of slits 1 for introducing outside air into the sensor block of the humidity sensor 10.
8 is provided.

In the above configuration, the switch operating section 50
When the operation button 51 ₁ is operated to set the automatic mode, the on-time for the microcomputer 5 to turn on the switch means 3 is set based on the detection output level from the humidity sensor 10, and is set at the same time when the switch means 3 is turned on. Start the time-delay operation to time the on time. Then, while the microcomputer 5 performs the timed operation, the ventilation fan 1 receives power from the commercial power supply AC and operates to ventilate the bathroom. Then, when the microcomputer 5 finishes the timed operation, the switch means 3 is turned off, the power supply to the ventilation fan 1 is stopped, and the ventilation fan 1 is also stopped. Therefore, the humidity of the bathroom in which the ventilation fan 1 is arranged is detected by the humidity sensor 10, and the time (the above-mentioned on-time) for operating the ventilation fan 1 is set based on the detected output level, so that the ventilation of the bathroom is appropriate. It is possible to easily set the time that can be performed, and it is not necessary to manually set the operation time of the ventilation fan 1 as in the conventional case, and it is possible to reduce the troublesome operation and improve the usability.
Moreover, since the ventilation fan 1 is stopped after a set time, it is possible to avoid excessive ventilation and save power. Further, if the continuous mode or the stop mode is selected by the operation buttons 51 ₂ and 51 ₃ , the ventilation fan 1 can be constantly operated as necessary, or the ventilation fan 1 can be kept stopped, which improves usability. Can be made.

[0030]

According to the first aspect of the invention, the switch means is inserted between the power source and the ventilation fan as a load to turn on / off the power supply from the power source to the ventilation fan, and the operation switch for switching the operation of the ventilation fan. Section, a humidity sensor for detecting the humidity of the place where the ventilation fan is installed, and an on-time for turning on the switch means based on the detection output level of the humidity sensor, and the on-time of the operation switch section according to the state of the operation switch section. Since it has a control means for performing a timed operation to control ON / OFF of the switch means, a place where a ventilation fan is arranged to operate a ventilation fan arranged in a place where ventilation is required, such as a bathroom. The humidity is detected by the humidity sensor and the time to operate the ventilation fan is set based on the detected output level, and the time to properly ventilate the place where the ventilation fan is installed is set. Can be set to, and it is not necessary to manually set the operating time of the ventilation fan as in the past, which can reduce the troublesome operation and improve the usability. Since it is stopped after passing, there is an effect that power saving can be achieved by avoiding extra ventilation.

According to a second aspect of the present invention, the control means sets the ON time of the switch means in accordance with the output level of the humidity sensor in an automatic mode, and continuously switches the switch means on regardless of the output level of the humidity sensor. The mode and the stop mode in which the switch means is turned off irrespective of the output level of the humidity sensor are switched according to the state of the operation switch section, so the operation switch section switches between the automatic mode, the continuous mode and the stop mode. In the automatic mode, proper ventilation and power saving can be achieved, and in the continuous mode and the stop mode, the ventilation fan can be operated or not depending on the situation, so that the usability can be further improved.

According to a third aspect of the present invention, the unit body having at least the operation switch portion provided on the front surface is attached to a mounting frame for mounting three units standardized for an embedded wiring device. Since it is formed to the size of three wiring devices and the connecting claws that can be connected to the mounting frame are provided on the side surface of the body, the embedded box and mounting frame provided for wiring devices can be diverted at the time of construction. In addition to being able to do so, there is an effect that it can also be installed side by side with normal wiring equipment.

According to a fourth aspect of the present invention, a humidity sensor is installed in a sensor body formed to have a size to be attached to a mounting frame standardized for an embedded wiring device, and the humidity sensor and control are performed. Since it is connected to the means with a connecting wire, when installing the humidity sensor in the place where the ventilation fan is installed, the humidity sensor is used as a wall surface by diverting the embedded box or mounting frame provided for wiring equipment. There is an effect that it can be easily arranged on the construction surface.

[Brief description of drawings]

FIG. 1 is a circuit diagram showing an embodiment.

FIG. 2 shows the same as above, (a) is a front view,
(B) is a right side view and (c) is a bottom view.

FIG. 3 is a plan view showing a main part of the above.

FIG. 4 shows the same as above, (a) is a front view,
(B) is a right side view and (c) is a rear view.

FIG. 5 is a partially cutaway plan view showing an essential part of the above.

FIG. 6 is a side sectional view showing a main part of the above.

FIG. 7 is a view showing the main part of the above, where (a) is a front view, (b) is a front view with a decorative plate removed,
(C) is a side sectional view.

FIG. 8 is a view showing the main part of the above, wherein (a) is a front view, (b) is a right side view, and (c) is a bottom side view.

FIG. 9 is a plan view showing the main part of the same.

FIG. 10 is a plan view showing a mounting frame used in the above.

[Explanation of symbols]

 1 Ventilation fan 2 Lighting load 3 Switch means 5 Microcomputer 10 Humidity sensor

Claims (4)

[Claims] 1. A switch means which is inserted between a power source and a ventilation fan as a load to turn on / off the power supply from the power source to the ventilation fan, an operation switch section for switching the operation of the ventilation fan, and a ventilation fan. The humidity sensor that detects the humidity in the selected location and the on-time to turn on the switch means are set based on the detection output level of the humidity sensor, and the on-time delay operation is performed according to the state of the operation switch section to perform the switch means. And a control means for controlling ON / OFF of the timer switch. 2. The control means includes an automatic mode in which the ON time of the switch means is set according to the output level of the humidity sensor, a continuous mode in which the switch means is turned on regardless of the output level of the humidity sensor, and a humidity sensor. 2. The timer switch according to claim 1, wherein a stop mode in which the switch means is turned off is switched irrespective of the output level of the switch according to the state of the operation switch section. 3. A unit of wiring equipment of a unit size in which at least an operation switch portion is provided on the front surface and is attached to a mounting frame for mounting three bodies standardized for an embedded wiring equipment. The timer switch according to claim 1 or 2, wherein a coupling claw which is formed to have a size of one minute and which can be coupled to the mounting frame is provided on a side surface of the body. 4. A humidity sensor is installed in a sensor body formed to have a size to be attached to a mounting frame standardized for an embedded wiring device, and the humidity sensor and a control means are connected to each other by a connecting wire. The timer switch according to any one of claims 1 to 3, wherein the timer switch is connected with the timer switch.