JPH0584420B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to an automatic ventilation switch for automatically ventilating an electrical room or a boiler room in a living room in a general house or an apartment complex.

BACKGROUND ART In general, heat and humidity generated from inside electrical rooms and boiler rooms in living rooms in houses, apartment complexes, etc. often have an adverse effect on equipment and houses.

For this purpose, as shown in FIG. 6, for example, an automatic ventilation switch 20 incorporating a temperature sensor is installed in the room, a ventilation fan 21 and a power supply 23 are connected to the automatic ventilation switch 20, and when the indoor temperature exceeds a set value, The automatic ventilation switch 20 is activated by the function of the temperature sensor, and the ventilation fan 21 is automatically operated.

In addition, if humidity is a problem, an automatic ventilation switch 24 incorporating a humidity sensor is installed, and the ventilation fan is connected to a power source in the same way as with the temperature sensor, and the ventilation fan is automatically operated. .

Problems to be Solved by the Invention In the conventional automatic ventilation switch described above, it is necessary to prepare and use different sensors incorporating different sensors depending on the atmosphere of the room in which it is installed. In some cases, two or more types of automatic ventilation switches, such as those with a humidity sensor function, must be installed at the same time, resulting in the problem of complicated electrical wiring.

The present invention takes into account the above-mentioned conventional problems, and provides automatic ventilation that can be performed easily and with simple wiring when automatically ventilating by selecting or simultaneously sensing temperature, humidity, gas concentration, etc. The purpose is to provide a switch.

Means for Solving the Problems In order to solve the above problems, the present invention provides a current-carrying circuit that connects ventilation equipment to a power source, and electrical contacts that automatically operate by sensing indoor atmosphere such as temperature, humidity, and gas concentration. A plurality of sensor switch units each having a separate sensor switch unit are connected in parallel to a connector circuit that detachably connects the plurality of sensor switch units in parallel, and the energizing circuit is connected in parallel by the operation of the electric contact. It consists of a switching element that opens and closes.

Effect With the above configuration, one or more sensor switch units that detect the indoor atmosphere in question are connected to the connector circuit, and when the electrical contacts of even one of the sensor switch units operate, the switching element becomes conductive and the ventilation fan is switched on. It can be operated automatically with one automatic ventilation switch, and even if you change the room in which the automatic ventilation switch is installed, you can easily handle it by removing and replacing the sensor switch unit that applies to that room. It becomes possible.

Embodiment An embodiment of the present invention will be described below with reference to FIGS. 1 to 6. In the figure, reference numeral 1 denotes an automatic ventilation switch main body made of resin material, and the front face 1a has an outlet part 4 for connecting the power plug 3 of the ventilation fan 2, and the rear face 1b has a plug part 7 for connecting to the outlet 6 of the power supply 5. ing.

On the bottom surface 1c of the automatic ventilation switch main body 1,
Electrical connection point 15 that senses temperature and operates automatically
A temperature sensor switch unit 8 which is a unitized temperature sensor switch having a
The gas concentration sensor switch unit 10, which also has an electrical contact 17, has a socket terminal 11a with which pin terminals 8a, 9a, and 10a provided on the bottom surface are removably engaged. And an electric circuit section 12 (described later) inside the automatic ventilation switch main body 1
The outlet section 4 and the plug section 7 are connected to the outlet section 4 and the plug section 7, respectively.

The electric circuit section 12 has a circuit configuration as shown in FIG. That is, the switching element 13 is connected to the energizing circuit 19 of the outlet section 4 to which the ventilation fan 2 is connected.
(hereinafter referred to as a triax), and to this triax 13, a series circuit consisting of a current limiting resistor 14, a connector circuit 20 in which the socket terminals 11a, 11a, 11a are connected in parallel, and an electric limiting resistor 18 are connected in parallel. However, when any one of the sensor switch units 8, 9, and 10 has an electrical contact closed, a voltage is applied to the gate of the triac 13.

and each sensor switch unit 8, 9, 10
The electrical contacts remain open under atmospheric conditions up to the set value, and close when the set value is exceeded. For example, in the case of temperature sensor switch unit 8, when the set temperature is exceeded, electrical contact 15
is starting to close.

In the above configuration, the operation when, for example, the temperature sensor switch unit 8 is connected will be described below.

First, as shown in FIG. 5, insert the plug part 7 of the automatic ventilation switch main body 1 into the outlet 6 provided on the wall etc., connect it to the power supply 5, insert the power plug 3 of the ventilation fan 2 into the outlet part 4, Then, the temperature sensor switch unit 8 is connected to the connector part 11 to set automatic ventilation. When the temperature in the room exceeds the set temperature, the electrical contact 15 of the temperature sensor switch unit 8 is closed, and a current flows through the current limiting resistors 14 and 18 to the gate electrode of the triac 13, so that the current flows through the triac 13, and the ventilation fan 2 is operated.

Also, if you want to change it to detect humidity,
The temperature sensor switch unit 8 may be removed and the humidity sensor switch unit 9 may be connected to the connector section 11. Furthermore, if it is desired to sense temperature, humidity, and gas concentration for automatic operation, it is sufficient to simply insert and connect the respective sensor switch units 8, 9, and 10 to the connector portion 11.

As described above, according to this embodiment, the outlet section 4, the plug section 7, and the connector section 11 are integrally provided in the automatic ventilation switch main body 1, which simplifies the installation of the automatic ventilation switch and also facilitates connection with the power source 5. This can be done by simply inserting the plug part 7 into the outlet 6, making electrical wiring extremely simple. In addition, each sensor switch unit 8, 9,
10 can be detachably connected to the connector part 11, making it easy to have multiple functions, and making it easy to install the device in a way that is suitable for the place of use.

In addition, although temperature, humidity, and gas concentration sensor switch units 8, 9, and 10 were used in the example,
Other sensor switch units (for example, sensor switch units for dew condensation, infrared rays, sound, etc.) may be used in place of or in addition to the sensor switch unit described above, without causing any difference in operation and effect.

Effects of the Invention As is clear from the above description of the embodiments, according to the present invention, sensor switch units that detect indoor atmosphere such as temperature, humidity, and gas concentration can be connected detachably. When even one fan is activated, the current-carrying circuit connected to the ventilation fan becomes conductive, making it easy to make automatic ventilation operation multi-functional, making it easy to install it to suit the location of use, or change the location of use, and to reduce the electricity consumption at that time. The effect is that the wiring is also extremely simple.

[Brief explanation of the drawing]

Fig. 1 is an electric circuit diagram of an automatic ventilation switch according to an embodiment of the present invention, Fig. 2 is a front view of the same, Fig. 3 is a side view of the same, and Fig. 4 is a state of connection between the sensor switch unit and the automatic ventilation switch. A perspective view showing the fifth
The figure is an explanatory diagram of the same installation example, and FIG. 6 is an explanatory diagram of an installation example of a conventional automatic ventilation switch. 1... Automatic ventilation switch body, 2... Ventilation fan,
8... Temperature sensor switch unit, 9... Humidity sensor switch unit, 10... Gas concentration sensor switch unit, 11... Connector section, 13
... Triax, 15, 16, 17 ... Electrical contact, 19 ... Current-carrying circuit, 20 ... Connector circuit.

Claims (1)

[Claims] 1. A plurality of sensor switch units each consisting of a current-carrying circuit that connects ventilation equipment to a power source, and a sensor switch that has electrical contacts that automatically operate by sensing indoor atmosphere such as temperature, humidity, and gas concentration. An automatic ventilation switch comprising: a connector circuit that detachably connects the plurality of sensor switch units in parallel; and a switching element connected in parallel to open and close the energizing circuit by the operation of the electric contact.