JPH04127063U - Water drop removal mirror - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a water droplet removing mirror that can quickly eliminate fogging on the mirror surface. [Structure] As the heat of the heater 12 is transferred to the foil film layer 16 with high thermal conductivity provided on the surface of the heater 12 facing the mirror 10, the change in PTC characteristics is slowed down and the initial amount of heat increases. The cloudiness on the surface of the mirror 10 is quickly removed.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention is used for automobile door mirrors or fender mirrors, etc. Water drop removal device that can automatically remove water droplets (raindrops, frost, dew, etc.) attached to the mirror surface. Regarding Ra.

0002

[Conventional technology]

Conventionally, as shown in FIG. 2, a mirror 1 and a piezoelectric vibrator 2 are fixed and the piezoelectric vibration a vibration transmitting body 3 that transmits the vibration of the child 2 to the mirror 1; and a vibration transmitting body 3 and the mirror. -1 and a heater 5 disposed in a space 4 defined by a water droplet removing mirror. - is publicly known.

0003

[Problem that the idea aims to solve]

In such a conventional water droplet removing mirror, the vibration of the piezoelectric vibrator 2 is transmitted to the mirror 1. The heater 5 is placed in close contact with the mirror 1 so as not to affect the not present.

0004 Therefore, the heat of the heater 5 is difficult to be transmitted to the mirror, and the P The initial If the necessary amount of heat cannot be obtained in the step, the water droplets on the surface of mirror 1 must be reliably removed. There was a problem in that it took a long time to eliminate the cloudiness.

[0005] This invention was created in view of the above circumstances, and it quickly eliminates fogging on the mirror surface. The purpose of the present invention is to provide a water droplet removing mirror that can remove water droplets.

[0006]

[Means to solve the problem]

In order to achieve the above object, the present invention has a mirror and a piezoelectric vibrator fixed together. a vibration transmitter that transmits the vibration of the piezoelectric vibrator to the mirror; A water droplet removing mirror comprising: a water droplet removing mirror; and a heater disposed in a space defined by the mirror. -, the surface of the heater facing the mirror is made of a material with high thermal conductivity. It is characterized by providing a foil film layer.

[0007]

[Effect]

The heat of the heater is transferred to the highly thermally conductive foil film layer provided on the surface facing the heater mirror. By doing so, the change in PTC characteristics slows down, the initial amount of heat increases, and the mirror surface cloudiness disappears quickly.

[0008]

【Example】

An embodiment of the present invention will be described below with reference to FIG. Figure 1 shows water droplet removal according to the present invention. 10 is a cross-sectional view of the mirror, and in the same figure, 10 is a mirror, and the front outer periphery of the vibration transmitting body 11 is It is fixed to the part by adhesive etc.

[0009] A piezoelectric vibrator 12 is fixed to the outside of the rear surface of the vibration transmitting body 11. 2 is transmitted to the mirror 10 via the vibration transmitter 11, and this mirror 10 vibrates in the thickness direction.

0010 A heater 14 is installed in the space 13 defined by the mirror 10 and the vibration transmitter 11. It is arranged. This heater 14 has a heating element 14a made of polyester synthetic resin. It is sandwiched between two insulating sheets 14b and 14c. This heating element 14a is It is connected to a power source (not shown) via ground wires 15a and 15b.

[0011] A foil film layer made of a material with high thermal conductivity is provided on the surface of the heater 14 facing the mirror 10. 16 is provided by adhesion, vapor deposition, rolling, etc.

0012 Note that the foil film layer 16 is not in close contact with the mirror 10.

[0013] In the above configuration, an oscillation signal is applied to the piezoelectric vibrator 12 from an oscillation circuit (not shown). This causes the piezoelectric vibrator 12 to vibrate. This vibration causes the vibration transmitter 11 to The vibration is transmitted to the mirror 10 through the mirror 10, and the mirror 10 vibrates in its thickness direction. Water droplets adhering to the surface of the roller 10 are removed.

[0014] Further, the heat of the heater 14 is transferred to the foil film layer 16, so that the heat of the heater 14 is transferred to the foil film layer 16. Since the maximum current that flows does not increase, the PTC characteristics become dull and the initial stage of heat is reduced. As a result, water droplets adhering to the surface of the mirror 10 can be quickly and reliably removed. Therefore, the fog on the mirror 10 can be quickly eliminated.

[0015]

[Effect of the idea]

As described above, in the present invention, the mirror and the piezoelectric vibrator are fixed, and the piezoelectric vibrator is a vibration transmitter that transmits vibrations to the mirror; and a vibration transmitter that transmits vibrations to the mirror; In a water droplet removing mirror equipped with a heater disposed in a space defined by A foil film layer made of a material with high thermal conductivity is provided on the surface of the heater facing the mirror. It is characterized by this.

[0016] Therefore, water droplets attached to the mirror surface can be removed quickly and reliably, and It is possible to quickly eliminate the cloudiness of the color.

[Brief explanation of drawings]

FIG. 1 is a sectional view of a water droplet removing mirror according to an embodiment of the present invention.

FIG. 2 is a sectional view of a conventional water droplet removing mirror.

[Explanation of symbols]

10 Mirror 11 Vibration transmitter 12 Piezoelectric vibrator 13 Space 14 Heater 16 Foil film layer

Claims (1)

[Scope of utility model registration request] 1. A mirror, a vibration transmitting body to which a piezoelectric vibrator is fixed and transmitting vibrations of the piezoelectric vibrator to the mirror, and a vibration transmitting body disposed in a space defined by the vibration transmitting body and the mirror. 1. A water droplet removing mirror comprising a heater and a water droplet removing mirror, characterized in that a foil film layer made of a material with high thermal conductivity is provided on a surface of the heater facing the mirror.