JPH11247792A - Electric equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily bring the electric power into zero during the standby only by turning off a switch which is used also as a power source switch without increasing the number of switches, by utilizing a part to be recognized also as the power source switch for controlling the power supply to an operating part and a control part. SOLUTION: When the power supply to a control part (microcomputer control substrate) 204 is OFF, that is, a recognizing part (micro SW) 203 is OFF, a part to be recognized (movable projection) 105 is pushed upward by a spring 202. When the movable projection body 105 is pushed down by a finger, a hinge lever 203a of the micro SW 203 is pushed down, the micro SW 203 is switched ON, and the power is supplied to the microcomputer control, substrate 204. As mentioned in the above, the cost-up can be reduced by applying the micro SW 203 without separately mounting a power source switch, and an electric fan with power source switch which can keep the power into zero during the standby can be provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a detachable electric device, and more particularly to a structure of a power switch of an electric fan having a structure that can be separated into a support portion and a base portion.

[0002]

2. Description of the Related Art In recent years, electric fans have been switched ON / OFF by tapping an AC switch with a fan motor, or
There are few simple specifications such as strong / medium / weak / off, and a microcomputer is mounted, and the microcomputer turns on / off the triac connected to each tap of the fan motor.
Microcomputer fans incorporating various airflow pattern specifications such as rhythm style have become the majority.

In the latter case, as a method of stopping the fan motor of the electric fan, the microcomputer turns off the triac connected to the tap of the fan motor and stops the fan motor. In this case, it is necessary to operate the microcomputer even when the fan motor stops, and the microcomputer is energized and consumes power even when the fan motor stops.

Recently, the stand-by power reduction of electric appliances has been talked about from the viewpoints of the environment and energy saving. However, in the case of the latter microcomputer fan, power is consumed even during stoppage as described above. There was a problem in terms of power reduction.

[0005] In recent years, for the purpose of compact storage,
A fan having a structure in which a support portion and a base portion can be separated (Japanese Unexamined Patent Application Publication No.
No. 119687) has been increasing. As shown in FIG. 4, a fan of this type includes a support 401 on a base 402.
Is fixed by the fixing nut 403, the fan motor connector 404 provided on each of the support portion and the base portion is united, and as shown in FIG.
4 and the microcomputer control board 602 are connected by a fan motor connection connector 603, and perform the function of one fan.

[0006] In this type of electric fan, conventional safety considerations (see Japanese Patent Application Laid-Open No. Hei 7-119687) have shown that FIG.
As shown in FIG.
Micro SW for determining whether power is supplied to the live part 4
503, and the micro SW 50 in the support 506.
3 are provided.

[0007]

As described above, the conventional microcomputer fan has a problem in terms of reduction in standby power consumption and energy saving since the microcomputer is energized and consumes power even when stopped. Was.

If the power supply to the stopped microcomputer control board is to be shut down for the purpose of standby power "0 (zero)", as shown in FIG.
It is necessary to separately provide a power switch 605 in the energizing path No. 01, and there is a problem that the cost increases.

SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems, and increases the cost of a microcomputer fan that can cut off the power supply to the live part of the control circuit while the fan is stopped to reduce the standby power to "0 (zero)". It is intended to minimize the above and realize it.

[0010]

SUMMARY OF THE INVENTION The present invention is to solve the above-mentioned problem, and the invention according to claim 1 has a power supply section and a control section (microcomputer control board 204) as shown in FIG. An attaching / detaching body (supporting section 10) having a base (base section 101) and an operating section (fan motor 304) attached to and detached from the base section and supplied with power from the power supply section and controlled by the control section.
1), the part to be recognized (movable projection 105) formed on the detachable body, and the part to be recognized is recognized by disposing it on the base and attaching the detachable body to the base. A recognition unit (micro SW20) for connecting the operation unit and the power supply unit
3), wherein the recognized part is also used as a power switch for controlling power supply to the operating part and the control part.

According to a second aspect of the present invention, in the state where the detachable body is not attached to the base, the recognition unit stops supplying power to the control unit.
An electrical device as described.

According to a third aspect of the present invention, the power supply to the control unit is stopped by operating the recognized part in a state where the detachable body is mounted on the base. 3. The electric device according to 1 or 2.

According to a fourth aspect of the present invention, in the state where the detachable body is attached to the base, power is supplied to the control section by operating the recognized section. An electrical device according to any one of claims 1 to 3.

More specifically, the present invention relates to an electric fan in which a column and a base for compact storage can be separated from each other, and a protrusion in the column for operating a micro SW provided in the base is provided. By using the movable type, the button of the power switch of the electric fan is also used by the movable projection when the support portion and the base portion are combined.

According to the present invention, the micro SW for determining whether or not power is supplied to the active portion of the control circuit in the base portion by moving the movable protrusion provided on the support portion is turned ON / OFF. It can play the role of a power switch of an electric fan, and a small increase in cost can be achieved by applying a conventional micro SW without providing a separate power switch, and standby power “0 (zero)”
This realizes a fan with a power switch that can be easily operated.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the electric apparatus of the present invention is applied to a fan will be described below with reference to FIGS.

The electric fan according to the present embodiment has a structure in which the column and the base for compact storage can be separated. As shown in FIG. 1, when the column 101 (detachable body) is inserted into the base 102 (substrate) and fixed with the fixing nut 103, the fan 101 is connected to the fan 101 provided on each of the column 101 and the base 102. The connector 104 merges.

Then, as shown in FIG. 2, the fan motor 304 (operation unit) and the microcomputer control board 204 (control unit)
Are connected by the fan motor connection connector 104. The presence or absence of power supply to the microcomputer control board 204 depends on safety such as preventing human beings from being electrically shocked at the exposed charging portion of the fan motor connection connector 104 when the base 102 and the support 101 are separated. Is determined by the micro SW 203 provided in consideration of the above.

The operation of the micro SW 203 (recognition unit) will be described with reference to FIGS.

As described in the conventional example, the micro S shown in FIG.
The protrusion 501 for operating the W is fixed,
6. The micro SW 503 is turned on when the base 505 is combined
However, in the present invention, the conventional fixed projection is made movable.

As shown in FIG. 3A, when the power supply to the microcomputer control board 204 is OFF, that is, when the micro S
When W203 is OFF, the movable projection 201 (recognized portion) is pushed upward by the spring 202.

As shown in FIG. 3B, when the movable projection 105 is pushed down by a finger, the hinge lever 203a of the micro SW 203 is pushed down, and the micro SW 203 is pushed down.
Is turned on, and power is supplied to the microcomputer control board 204. The movable projection 105 is a semi-fixed type.
When the finger is pressed down from the state of FIG. 3A, the state of FIG. 3B is maintained. When the finger is pressed down from the state of FIG. 3B, the state returns to the state of FIG. Is to hold.

As described above, the present invention relates to the movable projection 10
Reference numeral 5 also indicates the function of the button of the power switch of the electric fan. The state shown in FIG. 3A indicates when the power switch of the electric fan is OFF, and the state of FIG. 3B indicates when the power switch of the electric fan is ON. It will be.

As is clear from the above configuration, according to the present invention, the conventional micro SW is applied without a separate power switch, so that the cost increases little and the standby power "0 (zero)". ] Can be provided with a power switch.

[0025]

As is apparent from the above configuration, according to the electric apparatus of the present invention, the recognition target portion for recognizing the state of attachment of the conventional detachable body to the base body without providing a separate power switch is provided. Since it is used as a power switch, there is no need to increase the number of switches, so cost increases are reduced,
Then, by turning off the power switch, the electric device which can easily set the standby power to “0 (zero)” can be provided.

[Brief description of the drawings]

FIG. 1 is a perspective view of a fan according to an embodiment of the present invention, in which a support is removed from a base.

FIG. 2 is a block diagram of a fan according to an embodiment of the present invention.

FIGS. 3A and 3B are a cross-sectional view in a state where a power switch is OFF and a power switch in an ON state in a combined state of a base and a support in an embodiment of the fan of the present invention.

FIG. 4 is a perspective view of a main part showing a state in which a support is removed from a base of a conventional fan.

FIG. 5 is a cross-sectional view of a main part showing a state where a base portion and a support portion of a conventional fan are combined.

FIG. 6 is a block diagram when a power switch is provided in a conventional fan.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 101 Support part 102 Base part 103 Fixing nut 104 Connector for fan motor connection 105 Movable protrusion 202 Spring 203 Micro SW 204 Microcomputer control board 301 Micro SW 304 Fan motor 401 Support part 402 Base part 403 Fixed nut 404 For fan motor connection Connector 501 Fixed protrusion 503 Micro SW 504 Microcomputer control board 505 Base 506 Support column 601 Micro SW 602 Microcomputer control board 603 Connector for fan motor connection 604 Fan motor 605 Power switch

Claims (4)

[Claims] 1. A base having a power supply section and a control section, and a detachable body having an operation section which is attached to and detached from the base section and is supplied with power from the power supply section and controlled by the control section, is formed on the detachable body. And a recognition unit arranged on the base and mounting the detachable body on the base to recognize the recognition unit and connect the operating unit and the power supply unit. An electric device, wherein the recognized unit is also used as a power switch for controlling power supply to the operating unit and the control unit. 2. The electric apparatus according to claim 1, wherein the recognition unit stops supplying power to the control unit in a state where the detachable body is not attached to the base. 3. The electric power supply according to claim 1, wherein power supply to the control unit is stopped by operating the recognition target unit in a state where the detachable body is attached to the base. machine. 4. The power supply to the control unit by operating the recognition target unit in a state where the detachable body is attached to the base. Electrical equipment as described.