JP3289019B2 - Road surface snow melting method for wireless power transfer equipment - Google Patents
Road surface snow melting method for wireless power transfer equipmentInfo
- Publication number
- JP3289019B2 JP3289019B2 JP21028793A JP21028793A JP3289019B2 JP 3289019 B2 JP3289019 B2 JP 3289019B2 JP 21028793 A JP21028793 A JP 21028793A JP 21028793 A JP21028793 A JP 21028793A JP 3289019 B2 JP3289019 B2 JP 3289019B2
- Authority
- JP
- Japan
- Prior art keywords
- primary coil
- snow
- road surface
- moving body
- current
- 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.)
- Expired - Fee Related
Links
Description
【０００１】[0001]
【産業上の利用分野】この発明は、移動体に接触せず
に、この移動体への給電を行う移動体の非接触給電装置
に関し、特に移動体の経路に積もった雪を溶かすための
路面融雪方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a non-contact power supply device for a mobile unit, which supplies power to the mobile unit without contacting the mobile unit, and more particularly to a road surface for melting snow accumulated on a path of the mobile unit. Related to snow melting method.
【０００２】[0002]
【従来の技術】この種の装置は、走行車両（移動体）の
経路に沿って地上に敷設された１次コイルと、走行車両
の底部に配設された２次コイルとを備え、地上の１次コ
イルに交流電流を流して、走行車両の２次コイルに誘導
電流を発生させ、この誘導電流に基づく電力を走行車両
に供給する。走行車両は、この電力によって動力源のモ
ータを作動させたり、この電力を蓄電池に蓄える。2. Description of the Related Art An apparatus of this type includes a primary coil laid on the ground along the path of a traveling vehicle (moving body) and a secondary coil disposed on the bottom of the traveling vehicle. An alternating current is passed through the primary coil to generate an induced current in the secondary coil of the traveling vehicle, and power based on the induced current is supplied to the traveling vehicle. The traveling vehicle operates the motor of the power source using the electric power or stores the electric power in the storage battery.
【０００３】ところで、積雪したときには、この雪を溶
かさねば、走行車両の走行を円滑に行えない。このた
め、従来は、走行車両の経路に水を流して、この経路の
雪を溶かしていた。By the way, when snow is accumulated, the traveling vehicle cannot travel smoothly unless the snow is melted. For this reason, conventionally, water was caused to flow on the route of the traveling vehicle to melt snow on this route.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、従来の
ように水を流して、雪を溶かす場合、走行車両の経路全
体に水を流す設備が必要になるので、設備投資が嵩むこ
ととなった。また、水を流した後に、この水が凍って、
走行車両の経路が滑り易くなることがあった。However, in the case of melting water by flowing water as in the prior art, a facility for flowing water along the entire route of the traveling vehicle is required, so that capital investment is increased. Also, after flowing the water, this water freezes,
In some cases, the route of a traveling vehicle became slippery.
【０００５】そこで、この発明の課題は、移動体の非接
触給電装置の既存設備を利用して、走行車両の経路に積
もった雪を溶かす路面融雪方法を提供することにある。It is an object of the present invention to provide a road surface snow melting method for melting snow accumulated on a route of a traveling vehicle by utilizing existing facilities of a non-contact power supply device for a moving body.
【０００６】[0006]
【課題を解決するための手段】上記課題を解決するため
に、この発明は、移動体の経路に沿って地上に敷設され
た１次コイルと、移動体に配設された２次コイルとを備
え、地上の１次コイルに交流電流を流し、移動体の２次
コイルに誘導電流を発生させる移動体の非接触給電装置
において、１次コイルに交流電流を流して、この１次コ
イルを発熱させ、この１次コイルを地上の雪を溶かすヒ
ーターとして利用している。In order to solve the above-mentioned problems, the present invention comprises a primary coil laid on the ground along a path of a moving body and a secondary coil disposed on the moving body. An AC current flows through a primary coil on the ground, and an AC current flows through a primary coil in a non-contact power supply device of a moving body that generates an induced current in a secondary coil of the moving body. The primary coil is used as a heater for melting snow on the ground.
【０００７】[0007]
【作用】この発明によれば、１次コイルを地上の雪を溶
かすヒーターとして利用している。この１次コイルは、
移動体の経路に沿って敷設されているので、この経路の
雪を溶かすことができる。According to the present invention, the primary coil is used as a heater for melting snow on the ground. This primary coil is
Since it is laid along the path of the moving body, it is possible to melt snow on this path.
【０００８】[0008]
【実施例】以下、この発明の実施例を添付図面を参照し
て説明する。Embodiments of the present invention will be described below with reference to the accompanying drawings.
【０００９】図１は、この発明の路面融雪方法を適用し
た移動体の非接触給電装置を示している。この図１に示
すように、各走行車両１の経路には、各１次コイル２が
連続的に配置されている。給電装置３は、電力線４から
電力を与えられ、交流電流を１次コイル２に供給してい
る。これにより、１次コイル２の周囲に交番磁界が発生
する。FIG. 1 shows a non-contact power supply apparatus for a mobile object to which the method for melting snow on a road surface according to the present invention is applied. As shown in FIG. 1, each primary coil 2 is continuously arranged on the path of each traveling vehicle 1. The power supply device 3 is supplied with power from the power line 4 and supplies an alternating current to the primary coil 2. As a result, an alternating magnetic field is generated around the primary coil 2.
【００１０】走行車両１の底には、図示されない２次コ
イルが配設されている。この２次コイルは、１次コイル
２の交番磁界中を通過して、誘導電流を発生する。この
誘導電流は、適宜の直流電圧に変換されてから、動力源
のモータやバッテリーに供給される。At the bottom of the traveling vehicle 1, a secondary coil (not shown) is provided. This secondary coil passes through the alternating magnetic field of the primary coil 2 and generates an induced current. This induced current is converted into an appropriate DC voltage and then supplied to a motor or battery of a power source.
【００１１】一方、給電装置３には、走行車両１の経路
の積雪を検出するに積雪センサ５と、１次コイル２の温
度を検出する温度センサ６とが接続されている。積雪セ
ンサ５は、例えば積もった雪を検出する光センサや、路
面の温度を検出する温度センサを組み合わせたもので良
い。On the other hand, the power feeding device 3 is connected to a snow sensor 5 for detecting snow on the route of the traveling vehicle 1 and a temperature sensor 6 for detecting the temperature of the primary coil 2. The snow sensor 5 may be, for example, a combination of an optical sensor that detects accumulated snow and a temperature sensor that detects the temperature of the road surface.
【００１２】給電装置３は、経路の積雪が積雪センサ５
によって検出されると、１次コイル２に供給される交流
電流を増加して、１次コイル２の温度を上昇させる。こ
れに伴い、温度センサ６によって検出される１次コイル
２の温度が上昇し、この１次コイル２の温度が予め定め
られた融解温度（０℃を越える温度）になると、給電装
置３は、１次コイル２に供給される交流電流を増減し
て、この融解温度を保つ。これにより、経路の雪が溶け
る。The power supply device 3 is provided with a sensor
, The alternating current supplied to the primary coil 2 is increased to increase the temperature of the primary coil 2. Accordingly, the temperature of the primary coil 2 detected by the temperature sensor 6 rises, and when the temperature of the primary coil 2 reaches a predetermined melting temperature (a temperature exceeding 0 ° C.), the power supply device 3 The melting temperature is maintained by increasing or decreasing the alternating current supplied to the primary coil 2. This melts the snow on the path.
【００１３】ここで、１次コイル２の損失インピーダン
スが最も高くなる周波数に、１次コイル２に供給される
交流電流を設定すれば、１次コイル２を効率的に発熱さ
せることができる。この周波数を利用する場合は、この
周波数と、地上の１次コイル２から走行車両１の２次コ
イルへと電力を伝達するのに適した他の周波数を給電装
置３で選択できるようにしておく。Here, if the alternating current supplied to the primary coil 2 is set to a frequency at which the loss impedance of the primary coil 2 becomes highest, the primary coil 2 can be efficiently heated. When this frequency is used, this frequency and another frequency suitable for transmitting power from the primary coil 2 on the ground to the secondary coil of the traveling vehicle 1 can be selected by the power supply device 3. .
【００１４】また、積雪センサ５や温度センサ６を利用
しなくても、これらのセンサの代わりに、人が積雪を判
断して、給電装置３を操作し、１次コイル２の温度を上
昇させても構わない。Further, even if the snow sensor 5 and the temperature sensor 6 are not used, instead of these sensors, a person judges the snow and operates the power feeding device 3 to raise the temperature of the primary coil 2. It does not matter.
【００１５】[0015]
【効果】以上説明したように、この発明によれば、１次
コイルをヒーターとして利用して、移動体の経路の雪を
溶かすので、特別な設備を必要とせず、また路面が凍結
することもない。As described above, according to the present invention, the primary coil is used as a heater to melt the snow on the path of the moving body, so that no special equipment is required and the road surface can be frozen. Absent.
【図１】この発明の路面融雪方法を適用した移動体の非
接触給電装置を示す図FIG. 1 is a diagram showing a non-contact power supply device for a moving object to which a road surface snow melting method of the present invention is applied.
１ 走行車両 ２ １次コイル ３ 給電装置 ４ 電力線 ５ 積雪センサ ６ 温度センサ DESCRIPTION OF SYMBOLS 1 Running vehicle 2 Primary coil 3 Power supply device 4 Power line 5 Snow sensor 6 Temperature sensor
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平１−231606（ＪＰ，Ａ) 特開 平３−293414（ＪＰ，Ａ) 特開 昭59−15107（ＪＰ，Ａ) 実開 昭60−120004（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) E01H 5/10 E01H 8/08 E01B 25/16 E01C 11/26 B60L 5/00 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-1-231606 (JP, A) JP-A-3-293414 (JP, A) JP-A-59-15107 (JP, A) 120004 (JP, U) (58) Fields investigated (Int. Cl. 7 , DB name) E01H 5/10 E01H 8/08 E01B 25/16 E01C 11/26 B60L 5/00
Claims (1)
１次コイルと、移動体に配設された２次コイルとを備
え、地上の１次コイルに交流電流を流し、移動体の２次
コイルに誘導電流を発生させる移動体の非接触給電装置
において、１次コイルに、その１次コイルの損失インピーダンスが
最大になる周波数の電流と、２次コイルへの給電に適し
た上記周波数とは異なる周波数の電流を選択的に流し、
損失インピーダンスが最大になる周波数の電流で １次コ
イルを発熱させてこの１次コイルを地上の雪を溶かすヒ
ーターとして利用する移動体の非接触給電装置における
路面融雪方法。A primary coil laid on the ground along a path of the moving body; and a secondary coil disposed on the moving body, wherein an alternating current is applied to the primary coil on the ground to cause In a non-contact power feeding device of a moving body that generates an induced current in a secondary coil, the primary coil has a loss impedance of the primary coil.
Suitable for supplying current to the maximum frequency and supplying power to the secondary coil
The current of a frequency different from the above-mentioned frequency is selectively passed,
Road snow melting method in a non-contact power feeding device of the mobile loss impedance by heating the primary coil at a current having a frequency that maximizes the use of this primary coil as a heater to melt the ground snow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21028793A JP3289019B2 (en) | 1993-08-25 | 1993-08-25 | Road surface snow melting method for wireless power transfer equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21028793A JP3289019B2 (en) | 1993-08-25 | 1993-08-25 | Road surface snow melting method for wireless power transfer equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0762620A JPH0762620A (en) | 1995-03-07 |
| JP3289019B2 true JP3289019B2 (en) | 2002-06-04 |
Family
ID=16586905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21028793A Expired - Fee Related JP3289019B2 (en) | 1993-08-25 | 1993-08-25 | Road surface snow melting method for wireless power transfer equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3289019B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3007222B1 (en) * | 2013-06-18 | 2018-10-19 | Renault S.A.S | NON-CONTACT CHARGING SYSTEM OF A BATTERY OF A MOTOR VEHICLE IN MOTION, AND CORRESPONDING METHOD |
| JP2015186311A (en) * | 2014-03-21 | 2015-10-22 | Ｉｈｉ運搬機械株式会社 | non-contact power supply system |
| GB2525185A (en) * | 2014-04-14 | 2015-10-21 | Bombardier Transp Gmbh | A system for inductive power transfer, a pavement slab assembly and a method of operating a system for inductive power transfer |
-
1993
- 1993-08-25 JP JP21028793A patent/JP3289019B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0762620A (en) | 1995-03-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |