JPH0346208U - - Google Patents
Info
- Publication number
- JPH0346208U JPH0346208U JP10738789U JP10738789U JPH0346208U JP H0346208 U JPH0346208 U JP H0346208U JP 10738789 U JP10738789 U JP 10738789U JP 10738789 U JP10738789 U JP 10738789U JP H0346208 U JPH0346208 U JP H0346208U
- Authority
- JP
- Japan
- Prior art keywords
- heat generated
- amount
- hollow pipe
- metal hollow
- heater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002184 metal Substances 0.000 claims 2
- 230000008018 melting Effects 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
Landscapes
- Aerials With Secondary Devices (AREA)
- Details Of Aerials (AREA)
Description
第１図は本考案の一実施例の斜視図、第２図は
アンテナ素子に設置された自己制御型ヒーターを
示す断面の斜視図、第３図は各アンテナ素子毎に
自己制御型ヒーターを設置したときの自己制御型
ヒーターの配置図、第４図は１本の自己制御型ヒ
ーターを各アンテナ素子に挿通して自己制御型ヒ
ーターを設置したときにおける自己制御型ヒータ
ーの配置図である。
１……八木アンテナ、２……放射器、３……導
波器、４……反射器、５……自己制御型ヒーター
、６……配線ケーブル、７……電熱線、８……絶
縁被覆、９……支持棒。
Fig. 1 is a perspective view of an embodiment of the present invention, Fig. 2 is a cross-sectional perspective view showing a self-controlling heater installed in each antenna element, and Fig. 3 is a self-controlling heater installed for each antenna element. FIG. 4 is a layout diagram of the self-control type heater when one self-control type heater is inserted into each antenna element and the self-control type heater is installed. 1... Yagi antenna, 2... radiator, 3... waveguide, 4... reflector, 5... self-control type heater, 6... wiring cable, 7... heating wire, 8... insulation coating , 9...Support rod.
Claims (1)
素子である放射器と導波器と反射器とが互いに平
行に且つ４分の１波長の間隔で同一平面上に配置
されて成る八木アンテナにおける前記金属中空パ
イプの内部に、温度が高くなると発熱量が減少し
、温度が低くなると発熱量が増加する自己制御型
ヒーターを設けることを特徴とする八木アンテナ
の融雪装置。 The metal hollow pipe in a Yagi antenna in which a radiator, a waveguide, and a reflector, each of which is an antenna element formed of a metal hollow pipe, are arranged parallel to each other and on the same plane at an interval of 1/4 wavelength. A snow melting device for a Yagi antenna, characterized in that a self-control type heater is provided inside the heater, which reduces the amount of heat generated when the temperature rises and increases the amount of heat generated when the temperature falls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10738789U JPH0346208U (en) | 1989-09-13 | 1989-09-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10738789U JPH0346208U (en) | 1989-09-13 | 1989-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0346208U true JPH0346208U (en) | 1991-04-30 |
Family
ID=31656080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10738789U Pending JPH0346208U (en) | 1989-09-13 | 1989-09-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0346208U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007145404A (en) * | 2005-11-30 | 2007-06-14 | Aron Kasei Co Ltd | Collection box |
| JP2014175915A (en) * | 2013-03-11 | 2014-09-22 | Nec Corp | Antenna with snow melting mechanism |
| JP2023148088A (en) * | 2022-03-30 | 2023-10-13 | 和幸 大内 | electromagnetic wave reflector |
-
1989
- 1989-09-13 JP JP10738789U patent/JPH0346208U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007145404A (en) * | 2005-11-30 | 2007-06-14 | Aron Kasei Co Ltd | Collection box |
| JP2014175915A (en) * | 2013-03-11 | 2014-09-22 | Nec Corp | Antenna with snow melting mechanism |
| JP2023148088A (en) * | 2022-03-30 | 2023-10-13 | 和幸 大内 | electromagnetic wave reflector |
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