JP2005155297A - Snow remover for eaves making use of piezoelectric vibration plate - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a snow remover for eaves making use of a piezoelectric vibration plate capable of preventing the occurrence of cornice and an icicle and greatly reducing power consumption expenses in a device removing snow on the roof. <P>SOLUTION: A piezoelectric element 2 is connected to a metal plate 5 to form the vibration plate 6, it is supported or fixed to the edge of eaves section or under the eaves of a house with a bolt or the like, and the fall and elimination of snow on the roof and snow melting droplets can be made by applying an alternating voltage to the piezoelectric element 2 to stare bending vibration. In comparison with a system melting snow by using a heater or the like as usual, power consumption expenses can be greatly reduced. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

Detailed Description of the Invention

  The present invention relates to a device that drops and removes a snow ledge and an ice column at an eave portion by joining a piezoelectric element to a metal plate and installing the piezoelectric element at the eave portion to cause bending vibration.

  In heavy snowfall areas, there is a risk of adverse effects on the house due to the load of snow. Therefore, when snow falls above a certain height, a technique of mechanically scraping off with a scoop or the like has been used. However, manual snow removal is extremely hard work, and there is a risk of falling during work. In recent years, the declining birthrate and aging have made it difficult to remove snow by manpower.

  As a solution to this problem, there is a method in which snow is removed by installing a panel heater or pipe heater on the roof to remove snow. However, when the snow is melted by the heater as described above, the power cost becomes enormous, which is a big obstacle to the spread of the spread. Therefore, as disclosed in Japanese Patent Laid-Open No. 2000-145044, a large number of pipe heaters extending in the vertical direction of the roof and arranged at predetermined intervals are installed, and the snow is not melted on the entire roof, but is cut to a predetermined width. However, it has been proposed that the power cost can be reduced by letting it fall naturally. However, even in this case, the power cost is as high as 7 to 110,000 yen per year.

Furthermore, in order to solve the above-mentioned problems, a device such as Japanese Patent Laid-Open No. 2000-145076 has been proposed, and the annual power cost is estimated to be 1000 yen or less. However, it is presumed that a large excitation motor is required to shake off the snow on the roof, and it is considered that a large amount of electric power is consumed instantaneously at the start of operation of the apparatus. For this reason, the fuse may be damaged in some cases, and there is a risk that an inconvenient scene may occur in daily life.
In addition, it is not preferable in appearance to install a motor on the roof as shown in the examples.

  In recent years, due to the occurrence of troubles with the neighborhood due to snowfall, a method of preventing snowfall by using a snow stop has become common. As a result, snow leopards and ice pillars were generated, and unexpected accidents occurred when they fell.

Problems to be solved by the invention

  Therefore, in order to solve the above-mentioned conventional problems, in the present invention, a piezoelectric element with low power consumption is joined to a metal plate and installed as a vibration plate at the eaves portion, and bending snow is caused to drop and remove the snow fence or ice column. It was made for the purpose.

Means for solving the problem

  Therefore, according to the present invention, one or a plurality of piezoelectric elements are bonded to a metal plate using an adhesive or the like to form a vibration plate.

  Further, in order to cause the diaphragm to bend and vibrate, the diaphragm was supported or fixed with bolts or the like at the eaves tip or the eaves lower part such as a snow stopper.

  Embodiments of the snow removal device of the present invention will be described below in detail with reference to the drawings.

  1 to 3 show an embodiment of the diaphragm of the present invention. 4 to 7 show an example in which the diaphragm is attached to the eaves tip or the eaves lower part.

1 and 2, a support or fixing hole 4 is provided. In FIGS. 4 and 5, each hole is configured to be fixed to the lower part of the eaves with a bolt or the like.
The tip of the diaphragm is in contact with the roof plate.

  Similarly, in FIG. 3, a support or fixing hole 4 is provided, which is configured to be fixed to a snow stop in FIG. 6 and to the lower part of the eaves in FIG. 7 with a bolt or the like.

  1 to 3, the material of the metal plate 5 is not limited as long as it causes bending vibration such as tin, stainless steel, and slate.

  In practice, it is desirable to install a load sensor or the like in order to automatically cause vibration only when the amount of snow accumulation exceeds a certain level.

The snow removal device of the present invention can be driven at a low frequency of 100 Hz or less by using flexural vibration. As a result, it was possible to suppress the generation of harsh noise, and at the same time, the power consumption was about several watts per 1 m ^2, and it was possible to remove a sufficient snowfall and ice pillars.

  In order to further reduce power consumption, the diaphragm was coated with water-repellent titanium oxide or fluorine resin to prevent freezing such as snow and frost. With this structure, it was possible not only to prevent ice accretion, but also to remove snow traps and icicles with a small amount of electric power.

It is a perspective view which shows the form of the basic diaphragm of this invention. It is a perspective view which shows the form of the basic diaphragm of this invention. It is a perspective view which shows the form of the basic diaphragm of this invention. It is the side view which attached the diaphragm shown in FIG. It is the side view which attached the diaphragm shown in FIG. 2 to the eaves edge. It is the side view which attached the diaphragm shown in FIG. 3 to the eaves edge. It is the side view which attached the diaphragm shown in FIG. 3 to the eaves edge.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Roof plate 2 Piezoelectric element 3 Lead wire 4 Fixing hole 5 Metal plate 6 Vibration plate 7 Snow stopper

Claims (6)

  A snow removal device comprising a diaphragm having a piezoelectric element (2) attached to a metal plate (5) at the eaves portion.   A snow removal device supported or fixed to the eaves portion so that the vibration plate causes bending vibration.   A snow removal device in which the diaphragm is supported or fixed to a snow stop.   3. The snow removal device according to claim 2, wherein the vibration frequency is 100 Hz or less.   The snow removal device according to claim 2, wherein a load sensor is provided on the diaphragm.   The snow removal device according to claim 2, wherein a water repellent paint is applied to the diaphragm.

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