JPH09120763A - Wind sensing switch and wind warmer and hair dryer using same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance the safety when the air flow is reduced, by furnishing a movable blade means which makes displacement upon receiving a wind pressure and opens and closes a movable contact and a stationary contact depending upon the varying wind pressure. SOLUTION: The first terminal plate 5 and second terminal plate 6 are mounted rigidly on a base 1, and a stationary contact 2 in electrical continuity to the first terminal plate 5 is exposed at the oversurface of the base 1, while a movable contacting piece 6a in electrical continuity to the second terminal plate 6 is exposed on the base 1. The base end of a movable contact plate 4 made from a spring material is secured to the movable contacting piece 6a, and a movable contact 3 at the foremost is opposed to the stationary contact 2. A resiliently contacting plate 4a formed by cutting up the central part of the movable contact plate 4 is put in resilient contact with the base 1 to make energization so that the movable contact 3 will separate from the stationary contact 2. A body frame 9 for a movable blade 7 is formed from a rectangular framing 8 and a wind pressure correcting plate 9 and is arranged in such a way as surrounding the base 1, and the movable blade 7 is rotated round a fulcrum 11. The contacts are closed when the blade 7 inclines upon receiving the wind pressure to cause a touch of the movable contact 3 with the stationary 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wind detection switch for detecting and opening / closing a wind pressure, a warm air blower and a hair dryer using the wind detection switch.

[0002]

2. Description of the Related Art In a device for generating hot air such as a hair dryer, at the end of the product, the rotation of the motor slows down to reduce the amount of air blown, hot air blows out, and in the worst case, it may cause a fire. There's a problem. Conventionally, a hair dryer provided with a means for detecting wind pressure is disclosed in Japanese Patent Laid-Open No. 59-77806. However, this is only for detecting and displaying a change in wind pressure. It is not the one that secures safety by stopping energization of the heater when the wind pressure decreases.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the points described above, and detects a change in wind pressure and opens / closes a movable contact with respect to a fixed contact by a change in wind pressure, and a heater, etc. The task is to ensure safety by controlling the operation of.

[0004]

In order to solve the above-mentioned problems, the wind detection switch of the present invention is provided with a fixed contact provided on a base, a movable contact whose contact can be exchanged with respect to the fixed contact, and a wind pressure. Movable wind vane means for opening and closing the movable contact with respect to the fixed contact by displacement and change in wind pressure. Then, the air pressure associated with the change in air volume is detected, and the movable contact can be opened and closed with respect to the fixed contact by this air pressure change. Therefore, it is possible to prevent the risk of blowing hot air or causing a fire when the air volume is reduced by controlling with the wind detection switch.

Further, the movable wind wing means operates the movable contact so as to open the movable contact with respect to the fixed contact at a predetermined wind pressure or lower and close the movable contact with the fixed contact at a predetermined wind pressure or higher. Is also preferable.
In this case, the movable contact is closed with respect to the fixed contact when a predetermined air volume is blown and a predetermined air pressure is detected, and the movable contact is fixed when it is detected that the air pressure is less than the predetermined air volume and the air pressure is less than the predetermined air pressure. Open to contacts. By incorporating the wind detection switch that opens and closes the contacts according to the change in the air volume into the circuit of the heater such as the warm air heater, it is possible to prevent the risk of blowing hot air or causing a fire when the air volume decreases.

It is also preferable that the movable contact plate having the movable contact is integrated with the movable wind vane means.
In this case, the structure can be simplified and the reliability of the operation can be secured. It is also preferable that the movable contact is integrated with a thermoswitch that operates when an abnormal temperature rises. In this case, when the air volume decreases and the temperature rises to an abnormal temperature, the movable contact can be opened even with temperature detection.
It is possible to operate both when the air volume changes and when the temperature changes, so that further safety can be secured.

It is also preferable that the fixed contact and the movable contact are provided with an enclosing frame at a portion where the contact is exchanged. In this case, it is possible to prevent dust such as dust or cotton dust from entering the portion where the movable contact and the fixed contact exchange contacts. Further, the present invention is characterized in that the above-mentioned wind detection switch is incorporated in a circuit for energizing a heater. In this case, it is possible to prevent the danger that the heater is de-energized when the air volume becomes small due to the slowdown of the rotation speed of the motor or the like, hot air is blown out, and a fire occurs.

The hair dryer of the present invention, which is an example of a warm air blower, is characterized in that the wind detection switch is incorporated in a circuit for energizing a heater. In this case, it is possible to prevent the danger that the heater is de-energized when the air volume becomes small due to the slowdown of the rotation speed of the motor or the like, hot air is blown out, and a fire occurs. Further, even when the air intake port or the hot air outlet port is closed to reduce the air volume, the power supply to the heater can be cut off to ensure safety.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS First, the first embodiment will be described. As shown in FIGS. 1 and 2, the wind detection switch SW ₁ includes a base 1, a fixed contact 2, a movable contact plate 4 having a movable contact 3, a first terminal plate 5, and a second terminal plate 6. , Movable wind wing 7
And constitute the subject. Base 1 made of insulating material
Has a first terminal plate 5 and a second terminal plate 6 integrally mounted thereon, and a fixed contact 2 that conducts with the first terminal plate 5 is exposed on the upper surface of the base 1. Conductive movable contact piece 6
a is exposed on the upper surface of the base 1. The base end of the movable contact plate 4 formed of a spring material is fixed to the movable contact piece 6a,
The movable contact 3 at the tip of the movable contact plate 4 faces the fixed contact 2. The movable contact plate 4 is biased so that the movable contact 3 separates from the fixed contact 2 by elastically contacting the base 1 with an elastic contact piece 4a formed by cutting and raising in the center of the movable contact plate 4. . In the case of this example, the movable wind wing 7 is composed of a main body frame 8 having a rectangular frame shape and a wind pressure correcting plate 9 made of a thin plate. The main body frame 8 of the movable wind wing 7 is arranged so as to surround the base 1, and the movable wind wing 7 rotates about a fulcrum 11 within an operation range indicated by a symbol a in FIG. Further, a stopper 10 is formed by cutting and raising the movable contact plate 4 to regulate the rotation range of the movable wind vane 7. In the windless state where no air is blown, the movable wind vanes 7 do not receive wind pressure as shown in FIG. 2A, and the movable contact 3 is separated from the fixed contact 2 by the spring property of the movable contact plate 4. ing. When air is blown in the direction of arrow B from this state, the movable wind vanes 7 receive wind pressure and tilt, and push the movable contact 3 so that the movable contact 3 approaches the fixed contact 2 against the spring property of the movable contact plate 4. The movable contact 3 is brought into contact with the fixed contact 2 by receiving a wind pressure higher than a predetermined value, and the contact is closed. In this state, the movable contact 3 comes into contact with the fixed contact 2 at a constant contact pressure due to the wind pressure, and the contact is kept closed. At this time, even if the wind pressure becomes high, the wind pressure correcting plate 9 is deformed to correct the wind pressure so that the movable contact 3 can always contact the fixed contact 2 with a substantially constant contact pressure.

FIG. 3 shows a hair dryer as an example of the warm air heater A.
Year A₁And the wind detection switch SW₁The next
Is incorporated as follows. In FIG. 3, 12 is a wind tunnel, and the wind
An air inlet 13 is provided at the base end of the sinus 12,
At the tip of the wind tunnel 12, a hot air or cold air outlet 14 is provided.
You. The fan 15 and the fan 15 are driven in the wind tunnel 12.
Motor M, rectifying blades 16 for rectifying blast air, air
The heater RH that heats the inside is installed. Suitable for heater RH
There is a thermoswitch TS that opens when the temperature rises abnormally.
I put it. In the vicinity of the straightening vanes 16, the structure as described above is
Wind detection switch SW₁Has been placed. Wind tunnel 12
The hand grip 17 is integrally provided on the. Figure 4
Hair dryer A above₁It is a circuit diagram of. In Figure 4, C
Connector for supplying power, F₁, F_TwoIs temperature
SU, SW_TwoSwitch between hot, cold and off
Ji SW_ThreeIs a switch for air volume, SW_FourIs normal
Healthy changeover switch, D₁Is the first diode,
D_TwoIs the second diode, MB is the diode block DB
And a motor block consisting of a motor M, HB is a heater block
K, R₁Is the first resistance, R_TwoIs the second resistance. Above wind
Detection switch SW₁And thermo switch TS are heaters RH
Are connected in series. Now switch SW_Twoof
First contact s_{twenty one}And second contact s_{twenty two}Is open when is off
And, in this state, the changeover switch SW_TwoFirst contact of
s_{twenty one}When the motor is closed with the motor closed, only air is blown.
The cold air is discharged. At this time, changeover switch
SW_ThreeFirst contact s₃₁And the second contact s₃₂To open
If so, the first diode D₁, The first resistor R₁And the first
2 resistance R_TwoCurrent flows through the motor, and the motor M is driven at low speed
It is blown and blown in the low state. Switch in this state
Switch_ThreeContact point s₃₁Closed, the first diode D
₁Without passing through the first resistor R₁And the second resistor R_TwoThrough electricity
A high-speed air flow due to the flow of current and the motor M being driven at high speed
Will be done. Switch SW in this state_ThreeFirst contact
Point s₃₁And the second contact s₃₂Close the first resistor R₁Only
Current flows through the motor M to drive the motor M at a higher speed.
The turbo blows air. Also changeover switch
SW_TwoFirst contact s_{twenty one}And the second contact s_{twenty two}Close both
Then, the motor M is driven and the heater RH is energized,
Hot air is discharged. At this time, changeover switch SW_ThreeTo
When the low blast condition is set, the heater RH also has the first duct.
Iod D₁Is energized via the
Little, again switch SW_ThreeHigh or turbo
The heater RH is energized directly when
And has a large amount of heat generation. In the above state, the changeover switch
SW_FourContact point s_FourOpen the heater RH
Diode D_TwoHeat is suppressed because it is energized via
And keep your hair healthy by avoiding hot air.
You can condition your hair according to the condition. In the above state, the changeover switch S
W_FourContact point s _FourWhen is closed, the heater RH generates a large amount of heat.
Then, the hair is prepared in a normal state. Warm as above
The temperature near the heater RH is abnormal when the air is blown.
When the temperature rises to 0, the thermoswitch TS turns off and the heater RH
Is cut off. In addition, the condition of use to blow warm air
And the wind condition is SW₁Detected by
Is above a certain level, the contact is closed and the heater RH is connected.
The contact is opened when the air volume falls below a certain level.
Thus, the power supply to the heater RH is cut off. That is, as shown in FIG.
The air volume is above a certain level (eg 0.5m^Three/ Min or less
(Up)), the heater RH is turned on and the air volume is
Below a certain limit (for example, 0.5m^Three/ Min or less)
The power supply to the data RH is turned off. Also, in FIG.
The line shown in b is the movable contact 3 and the fixed contact when the movable wind vane 7 is inclined.
The operating position where 2 touches, the line indicated by reference sign c is a low blast
The tilted position of the movable wind vane 7 in the state, the line indicated by the symbol d is the turbo
Is the tilted position of the movable wind vane 7 in the blown state. FIG.
In (b), the imaginary line shows that the wind pressure correction plate 9 is flexed and deformed to improve the wind pressure.
It is correct.

Next, a second embodiment will be described. The present embodiment is basically the same as the first embodiment, and only different points will be described. As shown in FIGS. 6 and 7, an enclosure frame 18 formed of an insulating material is integrally provided with the base 1 so as to surround a portion where the movable contact 3 and the fixed contact 2 are present. An eccentric cam portion 36 is provided at the base end of the movable wind vane 7, and the movable wind vane 7 is centered on the fulcrum 11 of the base end of the movable wind vane 7.
The movable wind vane 7 is rotatably attached to the surrounding frame 18 so that the can rotates. The movable contact plate 4 is biased so that the movable contact 3 separates from the fixed contact 2 by elastically contacting the base 1 with an elastic contact piece 4a formed by cutting and raising in the center of the movable contact plate 4. . Also in this case, when the air is blown in the direction of the arrow B in FIG. 7, the movable wind vanes 7 are rotated by the wind pressure and the eccentric cam portion 3 is rotated.
When the movable contact plate 4 is pushed by 6 and the wind pressure above a predetermined level is received, the movable contact 3 and the fixed contact 2 contact each other to close the contact, and when the wind pressure falls below a predetermined level, the movable contact 3 is moved by the spring force of the movable contact plate 4. Is separated from the fixed contact 2 and the contact is opened. Further, in the case of this embodiment, since the movable contact 3 and the fixed contact 2 are surrounded by the surrounding frame 18, it is possible to prevent dust such as dust and cotton dust from entering this part, and to make contact between the contacts. Defects can be prevented. In addition, by surrounding the frame 18 with an insulating material, it is possible to prevent the adverse effect of spark generation.

Next, a third embodiment will be described. The present embodiment is basically the same as the first embodiment, and only different points will be described. In the case of this embodiment, as shown in FIGS. 8 and 9, the movable contact plate 4 is normally biased by the spring property of the movable contact plate 4 so that the movable contact 3 contacts the fixed contact 2. Further, the movable contact plate 4 is integrally provided with a bimetal 19 which functions as a thermoswitch, and when the abnormal temperature is reached, the bimetal 19 is inverted to deform the movable contact plate 4 against the spring property. The movable contact 3 can be separated from the fixed contact 2. If the bimetal 19 that functions as such a thermoswitch is integrally mounted, the same function as that of the thermoswitch TS described in the first embodiment can be achieved, and it is possible to eliminate the need to provide a separate thermoswitch. The fulcrum 11 on the upper part of the movable wind wing 7 is rotatably mounted on the base 1.
A tension spring 20 is installed between the base 1 and the base 1. A push-up portion 21 provided at the upper end of the movable wind vane 7 is in contact with the lower surface of the movable contact plate 4. When the wind is not receiving the wind, the movable wind vane 7 is pulled by the tension spring 20, so that the push-up portion 21 pushes up the movable contact plate 4 to separate the movable contact 3 from the fixed contact 2. When the wind pressure is received in the direction of arrow B, the movable wind vanes 7 rotate against the tension spring 20, and when the wind pressure exceeds a predetermined value, the push-up portion 21 pushes up the movable contact plate 4 as shown in FIG. The movable contact plate 4 is released to the non-existing position, and the movable contact plate 4 is released from being pushed up, so that the movable contact 3 comes into contact with the fixed contact 2.

Next, a fourth embodiment will be described. The present embodiment is basically the same as the first embodiment, and only different points will be described. In the first embodiment,
Although the movable wind wing 7 is formed of the main body frame 8 and the thin plate-like wind pressure correcting plate 9, in the case of the present embodiment, the main body is provided without providing the wind pressure correcting plate 9 as shown in FIGS. It is formed by integrally providing the frame 8 and the wind pressure receiving portion 23. Others are the same as those in the first embodiment.

Next, a fifth embodiment will be described. The present embodiment is basically the same as the first embodiment, and only different points will be described. The base 1 is shown in FIGS.
As shown in FIG. 3, shaft supporting protrusions 24 are provided on both sides so as to straddle the movable contact plate 4, and a shaft 25 as a fulcrum 11 is provided between the shaft supporting protrusions 24 on both sides. The shaft support portion 26 of the wind blade 7 is rotatably mounted on the shaft 25. The tip of the movable wind vane 7 and the movable contact plate 4 are connected by a substantially U-shaped click spring 27. A return spring 37 is interposed between the movable contact plate 4 and the movable wind vane 7. In this case, since the click spring 27 is provided, the contact has a click characteristic when opening and closing, and can be opened and closed with a light force (wind force).

Next, a sixth embodiment will be described. The present embodiment is basically the same as the first embodiment, and only different points will be described. In the case of the present embodiment, as shown in FIGS. 14 and 15, the movable contact plate 4 is normally biased by the spring property of the movable contact plate 4 so that the movable contact 3 contacts the fixed contact 2. Further, the movable contact plate 4 is integrally provided with a bimetal 19 which functions as a thermoswitch, and when the abnormal temperature is reached, the bimetal 19 is inverted to deform the movable contact plate 4 against the spring property. The movable contact 3 can be separated from the fixed contact 2. Further, one end of the movable wind vane 7 is mounted rotatably around the fulcrum 11 in the enclosure frame 18, and the action portion 28 provided at one end of the movable wind vane 7 is brought into contact with the tip of the movable contact plate 4. There is. A contact opening return spring 29 is interposed between the movable wind wing 7 and the surrounding frame 18. When the wind is not being received, the movable wind vane 7 is biased by the contact opening return spring 29 so as to fall, and the action portion 28 pushes up the tip of the movable contact plate 4 by this spring force to move the movable contact. 3 is separated from the fixed contact 2. When the wind pressure is received in the direction of arrow B, the movable wind vanes 7 rotate against the contact opening return spring 29, and the movable contact 3 receives the wind pressure of a predetermined level or more and the movable contact 3 causes the fixed contact 2 to move. To contact. Also in the case of this embodiment,
Since the movable contact 3 and the fixed contact 2 are surrounded by the surrounding frame 18, it is possible to prevent dust such as dust and cotton dust from entering this part and prevent contact failure of the contacts.

Next, a seventh embodiment will be described. The present embodiment is basically the same as the first embodiment, and only different points will be described. In the case of this embodiment, as shown in FIGS. 16 and 17, the movable contact blades 4 are integrally provided with the movable wind vanes 7. In this case as well, the movable contact 3 comes into contact with the fixed contact 2 to close the contact when the wind is applied in the direction of the arrow B and a predetermined wind pressure is applied. In this case, the force of the wind directly acts on the movable contact plate 4 from the movable wind vanes 7, and when the wind is strong, the movable contact plate 4 operates in a hysteresis manner to give a contact pressure. Next, an eighth embodiment will be described.

In this embodiment, as shown in FIGS. 18 and 19, the direction in which the movable wind vane 7 receives the wind is opposite to that of the second embodiment. When the air is blown in the direction of the arrow B in FIG. 19, the movable wind vanes 7 are rotated by the wind pressure to rotate the eccentric cam portion 36.
When the movable contact plate 4 is pushed with, the movable contact 3 and the fixed contact 2 come into contact with each other when the wind pressure exceeds a predetermined value, and the contacts are closed.
Is separated from the fixed contact 2 and the contact is opened.

Next, a ninth embodiment will be described. Also in the case of the present embodiment, as shown in FIGS.
Similarly to the embodiment described above, the movable contact plate 4 is normally biased by the spring property of the movable contact plate 4 so that the movable contact 3 contacts the fixed contact 2. Further, the movable contact plate 4 is integrally provided with a bimetal 19 which functions as a thermoswitch, and when the abnormal temperature is reached, the bimetal 19 is inverted to deform the movable contact plate 4 against the spring property. The movable contact 3 can be separated from the fixed contact 2. Further, one end of the movable wind vane 7 is mounted rotatably around the fulcrum 11 in the enclosure frame 18, and the action portion 28 provided at one end of the movable wind vane 7 is brought into contact with the tip of the movable contact plate 4. There is. A tension spring 30 is interposed between the movable wind wing 7 and the base 1. When the wind is not received, the movable wind vane 7 is biased by the tension spring 30 so as to fall, and the action portion 28 pushes up the tip of the movable contact plate 4 by this spring force and the movable contact 3 is fixed. It is separated from the contact 2. When the wind pressure is received in the direction of arrow B, the movable wind vanes 7 rotate against the tension spring 30, and the movable contact 3 comes into contact with the fixed contact 2 by the spring force of the movable contact plate 4 which receives a wind pressure of a predetermined value or more. . Also in this embodiment, since the movable contact 3 and the fixed contact 2 are surrounded by the surrounding frame 18, it is possible to prevent dust such as dust and cotton dust from entering this part, and Contact failure can be prevented.

Next, a tenth embodiment will be described.
As shown in FIGS. 22 and 23, a bearing cylinder 32 is provided at the upper end of a protruding piece 31 cut and raised above the movable contact plate 4, and a fulcrum shaft 33 as a fulcrum 11 provided at the upper end of the movable wind vane 7 is provided. It is rotatably supported by the bearing tube 32. In addition, movable wind wing 7
The cam portion 34 is provided on the base 1, and the base 1 is provided with a cam roller fulcrum 35 corresponding to the cam portion 34. In the state where the wind is not received, the movable contact 3 is separated from the fixed contact 2 by the spring property of the movable contact plate 4. When the wind pressure is applied in the direction of arrow B, the movable wind vane 7 rotates and the cam portion 34 slides with respect to the cam roller fulcrum 35.
When the movable wind vane 7 moves downward and receives a predetermined wind pressure, the movable contact 3 comes into contact with the fixed contact 2.

In the above-mentioned embodiment, the one used as a hair dryer as an example of a warm air dryer has been described, but a hot air blower such as an industrial dryer or a hot air heater can be used in the same manner.

[0021]

According to the wind detection switch of the present invention, the fixed contact provided on the base, the movable contact whose contact can be exchanged with respect to the fixed contact, and the movable contact that is displaced by receiving the wind pressure to change the wind pressure. Since the movable contact means is provided to open and close with respect to the fixed contact, the movable contact can be opened and closed with respect to the fixed contact by detecting the wind pressure due to a change in the air flow, and the change in the air flow. By incorporating a wind detection switch that opens and closes the contact point in the circuit of the heater such as a warm air heater, it can be controlled by the wind detection switch to prevent the risk of blowing hot air or a fire when the air volume decreases. is there.

According to a second aspect of the present invention, in the wind detection switch, the movable wind wing means opens the movable contact with respect to the fixed contact at a predetermined wind pressure or lower, and the movable contact with respect to the fixed contact at a predetermined wind pressure or higher. Since the movable contact is operated so as to close, the movable contact is closed with respect to the fixed contact when a predetermined air volume is blown and a predetermined air pressure is detected, and the air volume becomes less than the predetermined air volume and becomes less than the predetermined air volume. When the air pressure is detected, the movable contact opens with respect to the fixed contact.By incorporating this wind detection switch in the heater circuit such as a warm air blower, hot air is blown out or a fire occurs when the air volume decreases. It is possible to prevent the risk of occurrence.

Further, in the wind detection switch according to claim 3 of the present invention, the movable contact plate having the movable contact is integrated with the movable wind wing means, so that the structure can be made simple and the reliability of the operation can be secured. is there. Further, in the wind detection switch according to claim 4 of the present invention, the movable contact is integrated with a thermoswitch that operates when the temperature rises abnormally. It can be opened, and it can be operated both when the air volume changes and when the temperature changes, thus ensuring further safety.

Further, in the wind detection switch according to the fifth aspect of the present invention, since the surrounding frame is provided in the portion where the fixed contact and the movable contact exchange the contact, dust is present in the portion where the movable contact and the fixed contact exchange the contact. It is possible to prevent dust such as dust and cotton dust from entering. Further, in the warm air blower according to claim 6 of the present invention, since the wind detection switch is incorporated in a circuit for energizing the heater, the heater is energized when the air volume decreases due to the slowdown of the rotation speed of the motor. It is possible to prevent the danger that hot air will be blown out and a fire will be generated due to the cutoff.

Further, in the hair dryer according to claim 7 of the present invention, since the wind detection switch is incorporated in the circuit for energizing the heater, the heater is energized when the air volume becomes small due to the slowdown of the rotation speed of the motor. It is possible to prevent the risk that hot air will be blown out or a fire will be blocked by shutting off the air, and also when the air volume drops by closing the air intake port or the hot air blowout port, energize the heater. It can be cut off to ensure safety.

[Brief description of the drawings]

FIG. 1 is a perspective view of a wind detection switch according to a first embodiment of this invention.

FIG. 2 is a partially cutaway front view of the above, where (a) is a diagram when the contacts are open and (b) is a diagram when the contacts are closed.

FIG. 3 is a cross-sectional view of a hair dryer provided with the above wind detection switch.

FIG. 4 is a circuit diagram of the above hair dryer.

FIG. 5 is an explanatory diagram for explaining an air flow rate and an on / off operation of the heater.

FIG. 6 is a perspective view of a wind detection switch according to a second embodiment of the above.

FIG. 7 is a front view of the above.

FIG. 8 is a perspective view of a wind detection switch according to a third embodiment of the above.

FIG. 9 is a front view of the same.

FIG. 10 is a perspective view of a wind detection switch according to a fourth embodiment of the above.

FIG. 11 is a front view of the same.

FIG. 12 is a perspective view of a wind detection switch according to a fifth embodiment of the above.

FIG. 13 is a partially cutaway front view of the same.

FIG. 14 is a perspective view of the wind detection switch of the sixth embodiment of the above.

FIG. 15 is a front view of the same.

FIG. 16 is a perspective view of a wind detection switch according to a seventh embodiment of the above.

FIG. 17 is a front view of the same.

FIG. 18 is a perspective view of the wind detection switch according to the eighth embodiment of the above.

FIG. 19 is a front view of the above.

FIG. 20 is a perspective view of a wind detection switch according to a ninth embodiment of the above.

FIG. 21 is a front view of the above.

FIG. 22 is a perspective view of the wind detection switch of the tenth embodiment of the above.

FIG. 23 is a front view of the above.

[Explanation of symbols]

1 Base 2 Fixed contact 3 Movable contact 4 Movable contact plate 7 Movable wind vane 18 Enclosure 19 Bimetal SW ₁ Wind detection switch A Hot air blower A ₁ Hair dryer

Claims (7)

[Claims] 1. A fixed contact provided on a base, a movable contact whose contact can be exchanged with respect to the fixed contact, and a movable contact which opens and closes with respect to the fixed contact due to a change in wind pressure when the movable contact is displaced due to wind pressure. A wind detection switch characterized by comprising wind wing means. 2. The movable wind wing means operates the movable contact so as to open the movable contact with respect to the fixed contact at a predetermined wind pressure or lower and to close the movable contact with the fixed contact at a predetermined wind pressure or higher. The wind detection switch according to claim 1, wherein: 3. The wind detection switch according to claim 1 or 2, wherein a movable contact plate having a movable contact is integrated with the movable wind wing means. 4. The wind detection switch according to claim 1, wherein the movable contact is integrated with a thermoswitch that operates when an abnormal temperature rises. 5. The wind detection switch according to claim 1, wherein an enclosure frame is provided at a portion where the fixed contact and the movable contact exchange contacts. 6. A warm air blower comprising the wind detection switch according to claim 1 or 2 incorporated in a circuit for energizing a heater. 7. A hair dryer, wherein the wind detection switch according to claim 1 or 2 is incorporated in a circuit for energizing a heater.