JPH08340603A - Noncontact power feeder system - Google Patents

Abstract

PURPOSE: To facilitate the end treatment of rails by making it unnecessary to pull out the rails to perform connection, and making it unnecessary to treat the rails for it. CONSTITUTION: Loop feeder lines are constituted by supporting two feeder lines 5 for supplying a high-frequency current by noncontact from a power source 10 to the power receiving section 8 of a mobile body 1 drawn along the rails 2 for the mobile body 1 in a noncontact power feeder facility, at each one end of two hangers 31, 32 provided protruding in the lateral direction from brackets 3 provided along the rails 2, and by connecting the longitudinal- direction ends of the two feeder lines 5 with the two hangers 31, 32 and connections 50 provided along the bracket 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a loop by connecting longitudinal ends of two power supply lines in a contactless power supply facility with two hangers and a connection part arranged along a bracket. The present invention relates to a contactless power feeding system having a feeding line.

[0002]

2. Description of the Related Art Conventional contactless power feeding system
336607) is supported at one end of two hangers H projecting laterally from a bracket B installed along a moving line R of a moving body in a non-contact power feeding facility as shown in FIGS. 6 and 7. 2 arranged in parallel vertically
The ends of the two power supply lines W in the longitudinal direction are connected to the two power supply lines W.
The loop-shaped power supply line is configured by connecting by the connecting portion C that is bent in an arc shape and that extends in the longitudinal direction and in the spacing direction between the two power supply lines.

[0003]

In the above-mentioned conventional non-contact power feeding system, the longitudinal ends of the two power feeding wires W are
Since they are connected by a connecting portion C bent in an arc shape extending in the longitudinal direction of the two power supply lines W and in the spacing direction between the two power supply lines, they are connected to the outside of the moving line R. It is necessary to connect it, for which the moving track R
However, there is a problem that it is difficult to process the end portion of the moving line R.

Therefore, the inventors of the present invention connect the two ends of the two power supply lines in the non-contact power supply facility in the longitudinal direction with the two hangers and the connection part arranged along the bracket to form a loop shape. Focusing on the technical idea of the present invention of constructing the power supply line of, and further research and development, making it unnecessary to draw out and connect to the outside of the moving line,
Therefore, the present invention has been achieved which makes it unnecessary to process the moving line and facilitates the end treatment of the moving line.

[0005]

The contactless power supply system of the present invention (the first invention according to claim 1) is stretched along a moving line of a movable body in a contactless power supply equipment, and a coil of the movable body is provided. High-frequency current from the power source is fed to the contactlessly 2
The two feeders are supported at one end of two hangers laterally protruding from a bracket installed along the moving line, and the end portions of the two feeders in the longitudinal direction are By connecting the two hangers and the connecting portion arranged along the bracket, a loop-shaped power supply line is configured.

In the contactless power feeding system of the present invention (the second invention according to claim 2), in the first invention, the connecting portion is arranged in contact with the wall surfaces of the two hangers and the bracket. It is composed of a thin band-shaped member.

In the non-contact power feeding system of the present invention (the third invention according to claim 3), in the second invention, the end portions in the longitudinal direction of the two power feeding lines and the connecting portion are fixed by a fixing tool. It has been done.

In the non-contact power feeding system of the present invention (the fourth invention according to claim 4), in the third invention, the connecting portion is composed of a conductive plate member.

The contactless power feeding system of the present invention (the fifth invention according to claim 5) is the contactless power feeding system according to the third invention, wherein the connecting portion is constituted by an electric wire formed in a flat shape.

In the non-contact power feeding system of the present invention (the sixth invention according to claim 6), in the third invention, the connecting portion is composed of a plate member in which conductive thin pieces are laminated with an insulating piece interposed therebetween. It has been done.

[0011]

According to the non-contact power feeding system of the first invention having the above-mentioned structure, the non-contact power feeding equipment is supported at one end of two hangers laterally projected from the bracket installed along the moving line of the moving body in the non-contact power feeding equipment. By connecting the ends of the two power supply wires in the longitudinal direction by the connecting portions arranged along the two hangers and the bracket, the power supply wires configured in a loop shape are provided. The high frequency current from the power source is supplied to the coil of the moving body in a non-contact manner.

In the non-contact power feeding system of the second invention having the above structure, the non-contact power feeding system is provided so as to project laterally from the bracket installed along the moving line of the moving body in the non-contact power feeding equipment.
The connecting portion, which is supported by one end of each of the hangers, and which is configured by a thin band-shaped member arranged so that the end portions in the longitudinal direction of the two power supply lines are in contact with the two hangers and the wall surface of the bracket. By connecting by
High-frequency current from the power source is fed to the coil of the moving body in a non-contact manner through the feeding line configured in a loop.

According to the non-contact power feeding system for a mobile object of the third aspect of the present invention having the above-mentioned structure, the two hanger laterally projecting from the bracket installed along the moving line of the mobile object in the non-contact power feeding equipment. 2 supported at one end
The end portion of the power supply line in the longitudinal direction is constituted by a thin band-shaped member arranged in contact with the two hangers and the wall surface of the bracket, and is connected by the connecting portion fixed by the fixing tool. By doing so, the high frequency current from the power source is fed to the coil of the moving body in a non-contact manner through the feeding line configured in a loop shape.

In the contactless power supply system of the fourth invention having the above-mentioned structure, the contactless power supply system is provided so as to project laterally from the bracket installed along the moving line of the moving body in the contactless power supply equipment.
The hanger is supported at one end of each of the two hangers, and the end portions of the two power supply lines in the longitudinal direction are constituted by a conductive plate member that is disposed in contact with the two hangers and the wall surface of the bracket. By connecting with the connecting portion fixed by the fixing tool, the high frequency current from the power source is supplied to the coil of the moving body in a non-contact manner via the power feeding line configured in a loop shape. .

A non-contact power feeding system for a mobile body according to a fifth aspect of the present invention having the above-described structure is provided with two hangers laterally projecting from a bracket installed along a moving line of the mobile body in the non-contact power feeding equipment. 2 supported at one end
The connecting portion, which is formed by a flat-shaped electric wire disposed at the end of the power supply line in the longitudinal direction in contact with the two hangers and the wall surface of the bracket, and is fixed by the fixing tool. By connecting by the above, the high frequency current from the power source is fed to the coil of the moving body in a non-contact manner through the feed line formed in a loop.

A non-contact power feeding system for a mobile body according to a sixth aspect of the present invention having the above-described structure is provided with two hangers laterally projecting from a bracket installed along a moving line of the mobile body in the non-contact power feeding equipment. 2 supported at one end
The longitudinal end of the power supply line is composed of a plate member in which conductive thin pieces arranged in contact with the wall surfaces of the two hangers and the bracket are laminated with an insulating piece interposed therebetween. By connecting with the connecting portion fixed by a fixing tool, the high frequency current from the power source is supplied to the coil of the moving body in a non-contact manner via the power feeding line configured in a loop shape.

[0017]

According to the non-contact power feeding system of the first aspect of the present invention, which has the above-described action, the thin wall is provided by abutting the ends of the two power feeding wires in the longitudinal direction to the two hangers and the bracket wall surface. Since it is connected by the connecting portion constituted by the strip-shaped member, it is not necessary to draw and connect the power feeding line to the outside of the moving line, and therefore the processing of the moving line is unnecessary, and the end of the moving line is eliminated. This has the effect of facilitating processing.

In addition to the effect of the first invention, the contactless power supply system of the second invention having the above-described operation applies the ends of the two power supply wires in the longitudinal direction to the two hangers and the bracket wall surface. Since the thin band-shaped members arranged in contact with each other are connected by the connecting portion, interference with the power receiving unit is avoided, processing of the moving line is unnecessary, and end processing of the moving line R is facilitated. Has the effect.

In addition to the effect of the second aspect of the invention, the contactless power feeding system of the third aspect of the present invention, which has the above-described function, has the longitudinal ends of the two power feed lines and the connecting portion of the thin strip-shaped member. Since it is detachably fixed by the fixing device, it is easy to engage and disengage.

In the contactless power feeding system according to the fourth aspect of the present invention, which has the above-described operation, in addition to the effect of the third aspect, the connecting portion is
Since it is configured by the conductive plate member, it has an effect of avoiding interference with the power receiving unit and being easy to handle.

In the contactless power feeding system according to the fifth aspect of the invention having the above-mentioned operation, in addition to the effect of the third aspect,
Since it is composed of the electric wire molded in the flat shape,
The effect of avoiding interference with the power receiving unit and being easy to handle is achieved.

In the contactless power feeding system according to the sixth aspect of the present invention, which has the above-described operation, in addition to the effect of the third aspect, the connecting portion has:
Since it is composed of plate members in which conductive thin pieces are inserted with insulating pieces interposed therebetween, the total cross-sectional area through which the current flows is increased,
The effect of reducing the effect of the skin effect of each thin piece caused by flowing a high-frequency current is exerted.

[0023]

Embodiments of the present invention will be described below with reference to the drawings.

(First Embodiment) As shown in FIGS. 1 to 3, the non-contact power feeding system of the first embodiment is stretched along a moving line 2 of a mobile unit 1 in a non-contact power feeding facility. Two power supply lines 5 for non-contactly feeding the high-frequency current from the power source 10 to the power receiving unit 8 of the two, the two hangers projecting laterally from the bracket 3 installed along the moving line 2. While supporting at one end of 31, 32,
A loop-shaped power supply line is configured by connecting the ends of the two power supply lines 5 in the longitudinal direction by the connection parts 50 arranged along the two hangers 31, 32 and the bracket 3. It is a thing.

As shown in FIGS. 2 and 3, the connecting portion 50 is made of a conductive plate member as a thin band member, that is, a copper bar in which copper thin pieces having a U-shaped cross section are laminated with an insulating piece interposed. The two hangers 31, 32 and the inner wall surface of the bracket 3 are arranged in contact with each other.

The plate-shaped rectangular ends 501 and 502 formed at both ends of the connecting portion 50 are the portions of the two power supply lines connected to the power source 10 where the coating is removed from the end portions in the longitudinal direction. A plate-shaped rectangular end 52 integrally formed with the cylindrical end 51 of the end member 53 to be inserted and crimped is fixed and connected by a bolt 503 as a fixing tool, and is connected by the two power supply lines. It constitutes a loop-shaped power supply line.

The two power supply lines are constructed by connecting a plurality of power supply line units of a fixed length in series and connecting them to the power source 10, respectively. As shown in FIGS. 1 to 3, the feeder line holding device disposed in a guide rail unit having a predetermined length, which constitutes the moving track 2 as described later, holds the feeder lines in advance, and the feeder lines units adjacent to each other at a high place. 5 is connected by a sleeve-shaped connecting tool 6.

As shown in FIGS. 1 to 3, the feeder holding device is a moving line 2 for a moving body in a non-contact feeding facility.
A guide rail unit having a predetermined length, which will be described later, and
Two hangers 31, which are arranged at regular intervals in the longitudinal direction of the guide rail unit, are formed with concave portions at the tip thereof for inserting the power supply line units constituting the power supply line 5, and are horizontally projected.
It comprises a plurality of brackets 3 provided with 32 and a cover 4 attached to the tip of the brackets.

The moving track 2 is constructed by arranging guide rail units of a predetermined length in a row, and each guide rail unit has a horizontal upper wall 21 as shown in FIGS. 2 and 3.
And a horizontal lower wall 22 and a vertical wall 20 connecting the horizontal upper wall 21 and the horizontal lower wall 22 to each other and having a substantially H-shaped cross section with a predetermined length. A protrusion 23 parallel to the vertical wall extends in the longitudinal direction, and a protrusion 24 parallel to the vertical wall extends in the longitudinal direction on the upper surface of the horizontal lower wall.

As shown in FIGS. 2 and 3, the bracket 3 has a rectangular plate-shaped base portion 30 and two hangers horizontally projecting from the base portion 30 having a substantially J-shaped recess formed at the tip thereof. It is configured by a member having a substantially π-shaped cross section composed of 31 and 32.

The base portion 30 of the bracket 3 has an upper wall 30.
1 and a side wall 303 extending vertically near the lower wall 302,
By forming tapered portions 305 and 306 in a symmetrical relationship with 304 and tilting them, the bracket 3 can be freely attached to and detached from the gap between the protrusions 23 and 24 of the guide rail unit 2 and the vertical wall 20 at regular intervals. It is configured to be attached to.

In the hangers 31 and 32, a concave portion having a substantially three-quarter circle into which the power supply line unit 5 is inserted is formed at the upper end of the tip, and the claw portion of the cover is provided on the upper and lower horizontal walls of the tip. A groove portion that engages is formed.

As shown in FIG. 1, the cover 4 is provided with a circular arc portion and V-shaped portions at both ends of the circular arc portion such that the facing intervals are gradually narrowed and engage with the groove portions of the hangers 31, 32 at the tip. It is made of a member that is longer in the axial direction than the length of the hangers 31 and 32 having a substantially U-shaped cross section, which is composed of upper and lower straight portions formed in the shape of claws.

The V-shaped claws are formed on the hangers 31, 3
2 has a structure in which a substantially trapezoidal groove portion formed on the upper and lower wall portions of the tip of 2 is fitted to form a lock structure, and the power supply line unit 5 is clamped and fixed.

The cover 4 is formed with protrusions projecting symmetrically at right angles to both ends in the longitudinal direction of the upper and lower linear portions, and positions the cover 4 with respect to the hangers 31 and 32, and 3, the cover 4 is prevented from falling off in the longitudinal direction, and the power supply line unit 5 is provided.
Is configured to be capable of preventing a shift in the longitudinal direction.

As shown in FIG. 1, the connecting tool 6 is composed of a hollow cylindrical bare sleeve, and at the connecting portion of the adjacent guide rail units 2, the facing coatings of the adjacent feed line units 5 are removed. After inserting the end portions, both sides are crimped and connected, and a rubber or ceramic cap for insulation is attached.

In the non-contact power feeding system of the first embodiment having the above-mentioned structure, the connecting portion 50 has a conductive plate member as a thin band member, that is, a U-shaped cross section, as shown in FIGS. Of the copper bar and is disposed in contact with the inner wall surfaces of the two hangers 31 and 32 and the bracket 3.

Plate-shaped rectangular ends 501 and 502 formed at both ends of the connecting portion 50 are provided with a high frequency current supplied from the power source 10 to one of the two power supply lines forming a loop-shaped power supply line. Through the plate-shaped rectangular end 52 that is integrally formed from the cylindrical end 51 of the end member 53 that is supplied and one end of the power supply line in the longitudinal direction is inserted and crimped, It is supplied to the one plate-shaped rectangular end 501 of the connecting portion 50 fixed by the bolt 503.

The high-frequency current supplied to the one plate-shaped rectangular end 501 of the connecting portion 50 is in a U-shape arranged in contact with the inner wall surfaces of the two hangers 31, 32 and the bracket 3. It is supplied along the connecting portion 50 having a uniform cross section.

The other plate-shaped rectangular end 50 of the connecting portion 50
The high-frequency current supplied to 2 is formed integrally with the rectangular end 52 through the other plate-shaped rectangular end 52 of the end member 53 fixed by the bolt 503 as the fixing tool. The cylindrical end 51 of the end member 53, into which the end of the other power supply line in the longitudinal direction is inserted and pressure-bonded, is supplied to the end of the other power supply line that constitutes the loop-shaped power supply line in the longitudinal direction.

The high-frequency current supplied to the end of the other power supply line in the longitudinal direction is supplied along the other power supply line 5 and is supplied to the other end of the other power supply line 5 in the longitudinal direction. , Is supplied to the power supply 10.

In the non-contact power feeding system of the first embodiment having the above-described operation, the end portions in the longitudinal direction of the two power feeding lines 5 are
Since the connection is made by the connecting portion 50 formed of the thin band-shaped member arranged in contact with the wall surfaces of the two hangers 31 and 32 and the bracket 3, the power supply line is drawn out of the moving line and connected. There is an effect that it is unnecessary to do so, processing of the moving track 2 is unnecessary, and the end processing of the moving track 2 is facilitated.

The contactless power feeding system of the first embodiment is
Since the ends of the two power supply lines 5 in the longitudinal direction are connected by the connecting portions 50 of the thin band-shaped members arranged in contact with the wall surfaces of the two hangers 31 and 32 and the bracket 3, There is an effect that interference with the power receiving unit 8 is avoided, processing of the moving line 2 is unnecessary, and end processing of the moving line 2 is facilitated.

Further, in the non-contact power feeding system of the first embodiment, the longitudinal end portions of the two power feeding lines 5 and the connecting portion 50 of the thin band member are connected by the bolt 503 as the fixing tool. Since it is detachably fixed, it is easy to engage and disengage.

The contactless power supply system of the first embodiment is
Since the connecting portion 50 is composed of a copper bar having a U-shaped cross section, which is the conductive plate member, it is possible to avoid interference with the power receiving portion 8 and to easily handle it.

Further, in the contactless power feeding system of the first embodiment, since the connecting portion 50 is constituted by the copper bar in which the copper thin pieces are laminated with the insulating pieces interposed, the large current can be supplied without electrical loss. Has the effect of doing.

The contactless power feeding system of the first embodiment is
Since the high-frequency current is fed to the coil of the moving body 1 in a non-contact manner by connecting and laying the divided feed line units 5 with the connecting tool 6, it is possible to connect the feed line unit 5 at a high place. This has the effects of being easy to lay and construct, and being easy to deal with layout changes and process changes.

Further, in the contactless power feeding system of the first embodiment, at a low place, the feeder line unit 5 divided into a length equal to the length of the guide rail unit 2 of the moving body 1 is connected to the connecting tool 6. Since the power supply line units 5 are divided and formed in advance on the guide rail unit 2, the guide rail unit 2 can be installed at a high place after that.
The effect that the laying and construction of the power supply line is even easier is achieved.

The contactless power supply system of the first embodiment is
Since the opposing end portions of the adjacent power supply line units 5 are inserted into the sleeve of the hollow cylindrical body forming the connecting tool 6 and then pressure-bonded, the connecting tool 6 is connected.
The effect is that the connection is easy and the connection work is also easy.

Further, in the contactless power feeding system of the first embodiment, since the connecting portion 50 extends vertically in the drawings as shown in FIGS. 1 to 3, the longitudinal gap of the power feeding line 5 is arcuate. It is possible to reduce the size of the power supply line as compared with the conventional one and to widen the effective movement range of the moving body 1.

(Second Embodiment) In the contactless power feeding system of the second embodiment, instead of connecting a plurality of power feeding line units to form two power feeding lines as in the first embodiment, FIG. And as shown in FIG. 5, it is composed of two continuous power supply lines 5, and the connecting portion 50 is composed of an electric wire molded in a flat shape to connect the two power supply lines and form a loop. The difference from the first embodiment is that the power supply line of FIG.

In the non-contact power feeding system of the second embodiment having the above structure, the high frequency current supplied from the power source 10 is fed from one power feeding line 5 to the other via the connecting portion 50 constituted by the flat electric wire. The power is supplied to the power supply line 5.

In the non-contact power feeding system of the second embodiment having the above-described operation, the end portions of the two power feeding lines 5 in the longitudinal direction are
Since the connection is made by the connecting portion 50 constituted by the flat electric wire arranged in contact with the wall surfaces of the two hangers 31 and 32 and the bracket 3, the feeding line is drawn out of the moving line 2. There is an effect that it is not necessary to make a connection, the processing of the moving track 2 is therefore unnecessary, and the end processing of the moving track 2 is facilitated.

The contactless power supply system of the second embodiment is
Since the end portions of the two power supply lines 5 in the longitudinal direction are connected by the connection portion 50 of the flat electric wire arranged in contact with the wall surfaces of the two hangers 31, 32 and the bracket 3, The effect of avoiding interference with the power receiving unit 8 and being easy to handle is achieved.

Further, in the contactless power feeding system of the second embodiment, since the connecting portion 50 is composed of the flat electric wire, it is easy to make it follow the wall surfaces of the two hangers 31, 32 and the bracket 3. Yes, the hanger 3
1 and 32 and the connecting portion 50 depending on the shape of the bracket 3
There is an effect that it is easy to lay.

The contactless power supply system of the second embodiment is
Compared to one conventional loop-shaped power supply line, two power-supply lines are connected by the connecting portion 50 to form a loop-shaped power supply line. Therefore, the weight of the power-supply line 5 to be laid is halved. Compared with this, there is an effect that the handling is easy.

The embodiments described above are merely examples for the purpose of explanation, and the present invention is not limited to them. Those skilled in the art will recognize from the claims, the detailed description of the invention and the description of the drawings. Modifications and additions can be made without departing from the technical idea of the present invention.

In the first embodiment described above, in order to reduce the electrical loss in the connecting portion, as an example, copper thin pieces are laminated via insulating pieces, but the present invention is not limited thereto. Instead, it is also possible to use an inexpensive and simple copper bar.

[Brief description of drawings]

FIG. 1 is a side view showing a non-contact power supply facility and a moving body to which a non-contact power supply system according to a first embodiment of the present invention is applied.

FIG. 2 is a cross-sectional view showing the contactless power feeding system of the first embodiment.

FIG. 3 is a partial side view showing the contactless power feeding system of the first embodiment.

FIG. 4 is a side view showing a non-contact power supply facility and a moving body to which the non-contact power supply system according to the second embodiment of the present invention is applied.

FIG. 5 is a perspective view showing a contactless power supply system according to a second embodiment.

FIG. 6 is a cross-sectional view showing a conventional contactless power feeding system.

FIG. 7 is a partial side view showing a conventional contactless power feeding system.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Moving body 2 Moving track 3 Bracket 5 Power supply line 8 Power receiving part 10 Power source 31, 32 Hanger 50 Connection part

Claims (6)

[Claims] 1. Two non-contact power supply lines are provided along a moving line of a moving body in a non-contact power supply facility to feed a high frequency current from a power source to a coil of the moving body in a non-contact manner along the moving line. Is supported at one end of two hangers laterally projecting from the installed bracket, and the longitudinal ends of the two power supply lines are arranged along the two hangers and the bracket. A non-contact power feeding system characterized in that a loop-shaped power feeding line is configured by connecting with the connecting portion. 2. The non-contact power feeding system according to claim 1, wherein the connecting portion is formed of a thin band-shaped member arranged in contact with the wall surfaces of the two hangers and the bracket. . 3. The non-contact power feeding system according to claim 2, wherein ends of the two power supply wires in the longitudinal direction and the connecting portion are fixed to each other by a fixing tool. 4. The contactless power feeding system according to claim 3, wherein the connecting portion is formed of a conductive plate member. 5. The non-contact power supply system according to claim 3, wherein the connecting portion is formed of an electric wire formed in a flat shape. 6. The non-contact power supply system according to claim 3, wherein the connecting portion is formed of a plate member in which conductive thin pieces are stacked with an insulating piece interposed therebetween.