CN101301979A - Power supply unit for supplying power for elevator cage - Google Patents
Power supply unit for supplying power for elevator cage Download PDFInfo
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- CN101301979A CN101301979A CNA2008100967847A CN200810096784A CN101301979A CN 101301979 A CN101301979 A CN 101301979A CN A2008100967847 A CNA2008100967847 A CN A2008100967847A CN 200810096784 A CN200810096784 A CN 200810096784A CN 101301979 A CN101301979 A CN 101301979A
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- iron core
- magnetic substance
- car
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Abstract
A power supply unit (10) supplies the power to a car (2) of an elevator (1) in a non-contact mode. The power supply unit (10) has power supply lines (11), high frequency power supply (12), iron core (131), coil (132) and magnetic substance (14). The power supply lines (11) are spanned on the whole length of the car (2) moving in the shaft (3). The high frequency power supply (12) supplies the high frequency current to the power supply lines (11). The iron core (131) is installed on the car (2) and has a groove (134) configured with the internal power supply lines (11) by a non-contact mode. The coil (132) is wound on the iron core (131) taking the direction crossing with the power supply lines (11) as center. The magnetic substance (14) is correspondingly configured with each floor along the shaft (3) and is opposite to the iron core (131) by a non-contact mode in the state of the car (2) stopping at each floor and composes a magnetic circuit with the iron core (131).
Description
Technical field
The present invention relates to electric power is supplied in the electric supply installation of lift car.
Background technology
Generally, by the buttock line that is suspended on the car bottom electric power is supplied in lift car.The buttock line control setup interior with being arranged on lift well is connected.Buttock line is the cable that is summarized in signal wire (SW) etc., has enough length so that car moves in lift well.
But,, the trend that increases buttock line length is arranged along with the high stratification of building.Buttock line only is suspended on car bottom, therefore, building one height, building will rock because of wind and earthquake, and buttock line might contact with the equipment in the lift well or twine.
Therefore, people are studying the technology that electric power is supplied in car without buttock line.
As electric power being supplied in the technology of moving body, the known contactless power supply system that has Japanese kokai publication hei 8-175233 communique to be disclosed in the noncontact mode.This contactless power supply system has the supply line and the electric unit that is subjected to that is installed on the vehicle that extends setting to the vehicle moving direction.Be subjected to electric unit to be subjected in the supply line magnetic flux that high-frequency currents produced that flows and utilize electromagnetic induction and obtain electric power by coil.
In addition, electric power is supplied in the technology of moving body as utilizing electromagnetic induction, the known non-contact power supply that has Japanese kokai publication hei 8-196003 communique to be disclosed.The device that these patent documentations disclosed, it constitutes on the whole length that magnetic material that magnetic circuit uses is provided in the path that moving body moves.
Therefore, as if the electric supply installation that the technology that these patent documentations disclosed is applied to elevator, then must be at the whole length configuration magnetic material of lift well.In this case, the use amount of magnetic material is just many, and the manufacturing cost of device increases.In addition, the electric unit that is subjected to of the relative cage side of magnetic material must be located accurately, need very high technology in construction, and spend the time, the manufacturing cost of device rises.
Especially, the car of elevator is different in power consumption out of service and in service.When car was out of service, owing to drivings such as making electrical motor opens and closes with opposite house, so power consumption temporarily increased.And when cage operation, only lighting fixture and push-botton operation etc. consume electric power, so there is not power consumption substantially.
Therefore, when bigger according to the consumption of current condition in out of service fed electrical power to car, operating dump power is waste just, its result, overall electric power deterioration of efficiency.
Summary of the invention
The object of the present invention is to provide a kind of electric supply installation, can improve the supply rate of the electric power of during lift car is out of service, supplying with, and device integral body is inexpensive in the noncontact mode.
The electric supply installation of the embodiment of the invention is supplied in lift car in the noncontact mode with electric power.This electric supply installation has supply line, high frequency electric source, iron core, coil and magnetic substance.Supply line is erected on the whole length in the path that car moves in the floor indicator.High frequency electric source is supplied in supply line with high-frequency currents.Iron core is installed on the car.Supply line is configured in the groove that is in the iron core inboard non-contactly.Coil is that the center is wound on the iron core with the direction of intersecting with supply line.Magnetic substance is configured in car when out of service on the position relative with iron core.Magnetic substance constitutes magnetic circuit with iron core.
For example, iron core has two grooves, and magnetic substance is arranged on the position that under the car state out of service two grooves is covered.Perhaps, magnetic substance has the alar part that extends along the iron core outside.Perhaps, magnetic substance is positioned at the state that inserts in the iron core slot.Perhaps, magnetic substance has the protuberance that enters in the iron core slot.Perhaps, magnetic substance is fixed on the nonmagnetic supporting member that supply line is supported.
Adopt the electric supply installation of present embodiment, be wound on the iron core that is installed on car coil configuration with supply line in the position of the magnetic flux interference that high-frequency currents produced of flowing, utilize electromagnetic induction and generate electricity.Especially, owing to this electric supply installation has the relative magnetic substance that constitutes magnetic circuit with iron core under car state out of service, therefore, can be during than cage operation when car is out of service with sending electric power efficiently.
In addition, the magnetic substance that is configured in the lift well side is not located on the whole length in the path that car moves, and the only local car position relative with iron core when out of service that be located at.Therefore, a small amount of magnetic substance gets final product, and suppresses equipment cost lower.In addition, owing in the moving range of car, dispose magnetic substance accordingly with car position out of service, therefore, if magnetic substance with respect to the location of the iron core that moves with car guarantee car position out of service and near necessary enough accuracy.So, this electric supply installation is being provided with, when maintaining, the location is just adjusted easily, can will construction cost be set and the maintenance expense suppresses lowlyer.
Illustrate other purpose of the present invention and advantage in being described below, and be conspicuous partly, or by the embodiment of the invention as can be known.Obviously point out below, make up by embodiment and each and realize and obtain the object of the invention and advantage.
Description of drawings
Fig. 1 is the general perspective view of elevator that expression has the electric supply installation of the present invention the 1st embodiment.
Fig. 2 is with the general perspective view after electric supply installation shown in Figure 1 and the peripheral structure amplification thereof.
Fig. 3 is the cutaway view of the electric supply installation represented along the F3-F3 line among Fig. 2.
Fig. 4 is the cutaway view of the electric supply installation of expression the present invention the 2nd embodiment.
Fig. 5 is the cutaway view of the electric supply installation of expression the present invention the 3rd embodiment.
Fig. 6 is the cutaway view of the electric supply installation of expression the present invention the 4th embodiment.
Fig. 7 is the block diagram of the electric supply installation of expression the present invention the 5th embodiment.
Fig. 8 is with the cutaway view after the central portion cut-out of the iron core of the electric supply installation of Fig. 7 and magnetic substance.
The specific embodiment
In conjunction with the accompanying drawings and constitute a part of specification sheets the present invention is given an example, with this detailed description that obtains above-mentioned comprehensive description and obtain following examples, be suitable for explaining the principle of the invention.
Describe embodiments of the invention in detail below in conjunction with accompanying drawing.
The electric supply installation 10 of the 1st embodiment of the present invention in the noncontact mode for the used electric power of the car 2 of power supply ladder 1.Referring to figs. 1 through Fig. 3 this electric supply installation 10 is described.
In this electric supply installation 10, owing to be not to make the direct and supply line 11 power supply power contiguously of terminal, so the surface of supply line 11 is covered by insulating component.15 pairs of supply line 11 of supporting member are not held in and contact with building with lift well 3 in-to-in miscellaneous equipments.In addition, for the influence of magnetic field that high-frequency currents produced that is not subjected to flow in the supply line 11, supporting member 15 usefulness insulating components constitute.As Fig. 1 and shown in Figure 3, supporting member 15 is fixed on the carriage 16 that extends from guide rail 7 and to the support of its maintenance.
As Fig. 1 and shown in Figure 3, be located on the outer wall of car 2 by electric unit 13, move with car 2.Be subjected to electric unit 13 to have iron core 131, coil 132 and power transformation circuit.As shown in Figure 2, iron core 131 usefulness magnetic components form, and are fixed on by base 133 on the sidewall of car 2, and have two grooves 134 that dispose supply line 11 in the inboard non-contactly.The open side of groove 134 has the size that can enough pass through the supporting member 15 of supply line 11.Specifically as shown in Figure 3, the cross section of iron core 131 its crosscut supply line 11 is the E font, has between supply line 11 central member 135 that extends, clips supply line 11 and the pair of outside pin 136 of configuration with respect to this central member 135.
The electric supply installation 10 of Gou Chenging as described above, when car 2 during in the operation that floor gap moves iron core 131 constitute magnetic circuits separately and make coil 132 that electric power take place, when car 2 rests in arbitrary floor out of service, constitute magnetic circuit and make coil 132 that electric power take place by iron core 131 and magnetic substance 14.That is to say electric supply installation 10 generating efficiencies of present embodiment height during than cage operation when car 2 is out of service.
For door 21 to car 2 in elevator 1 is out of service opens and closes, this door 21 is carried out drive electric motor and lockout mechanism must electric power.Therefore, elevator 1 rests in electric power required during each floor A greater than required electric power in service.This electric supply installation 10 is under car 2 state P out of service, with to have the position that is subjected to electric unit 13 corresponding and dispose magnetic substance 14 in the part of lift well 3 sides.Under this state, because iron core 131 and magnetic substance 14 constitutes magnetic circuits, therefore, the high-frequency currents that can flow from supply line 11 utilizes electromagnetic induction and efficient makes coil 132 generation electric power well.
In addition, car 2 move during, the groove 134 of iron core 131 is opened state, utilizes the magnetic circuits that iron core 131 constitutes separately and makes coil 132 that electric power take place, so compare electro-motive force decline when out of service.But, because iron core 131 is not relative with magnetic substance 14 in the cage operation, so the degradation of energy that vortex flow that iron core 131 and magnetic substance 14 inside are produced and magnetic resistance are produced does not take place the occasion that relatively moves at iron core 131 and magnetic substance 14.
In addition, in the present embodiment, magnetic substance 14 has alar part 141, and this alar part 141 is gone into lateral crus 136 and extended from the groove 134 peristome gussets of iron core 131.Therefore, the iron core 131 that constitutes magnetic circuit becomes big with the relative area of magnetic substance 14, between magnetic resistance reduce, its result increases through the magnetic flux B of the magnetic circuit that is made of iron core 131 and magnetic substance 14, the generating efficiency of coil 132 is improved.The material that iron core 131 and magnetic substance 14 are used is an actv. even use the material of the also little ferrite of in the low high frequency of electric conductivity vortex flow influence.
So, the car 2 of elevator 1 supplied with electric power in the noncontact mode by the electric supply installation 10 of present embodiment, and the car 2 that needs big electric power only is subjected to the position of electric unit 13 to dispose magnetic substance 14 accordingly with configuration under state P out of service, and position does not in addition dispose magnetic substance 14.Because local configuration magnetic substance 14, so but the material cost of restraining device, and magnetic substance 14 becomes easy with respect to the location that is subjected to electric unit 13.Therefore, can provide required electric power of a kind of abundant supply car 2 and installation cost and the low electric supply installation of cost 10 is set.
The shape of magnetic substance 14 is not limited to the shape shown in the 1st embodiment, also can make the groove 134 that will be located on the iron core 131 and be erected between central member 135 and the lateral crus 136 with sealing, constitutes magnetic circuit.Below, other embodiment of expression electric supply installation 10.The structure that has identical function in each embodiment is put on identical symbol, omits its explanation.And the integral structure of electric supply installation 10 with reference to the description of Fig. 1 and explanation thereof, omits below and describes.
Fig. 4 represents the main portion cutaway view of the electric supply installation 10 of the present invention the 2nd embodiment.In this electric supply installation 10, with the 1st embodiment difference be that magnetic substance 14 does not have alar part 141.Other structure is identical.Compare with the electric supply installation 10 of the 1st embodiment, no alar part 141, correspondingly, just low over against the generating efficiency under the state at iron core shown in Figure 4 131 and magnetic substance 14.But simple shape becomes simply in the location of the direction iron core 131 that clips iron core 131 lateral crus 136 with magnetic substance 14, therefore, is suppressing to make and be arranged to this aspect to be better than the 1st embodiment.
Fig. 5 represents the main portion cutaway view of the electric supply installation 10 of the present invention the 3rd embodiment.The magnetic substance 14 of electric supply installation 10 is configured to the state of a continuous straight line with two grooves, 134 coverings of iron core 131 among the 1st and the 2nd embodiment.On the contrary, the magnetic substance 14 of electric supply installation 10 rests at car 2 under the state P of each floor A as shown in Figure 5 in the present embodiment, the state that is positioned at that magnetic substance 14 is inserted in the groove 134 and the part of peristome is buried by holding element 17.Between magnetic substance 14 and groove 134 inside faces, mutual discontiguous enough gaps when having car 2 by this floor A.In this occasion, the gap is set greatlyyer slightly with respect to the relative minimum clearance of guide rail 7 than the guide piece of car 2.
By formation like this, the magnetic flux B between central member 135 and the magnetic substance 14 disperses to two directions, and iron core 131 reduces with respect to supply line 11 with the magnetic resistance of the magnetic circuit that magnetic substance 14 is constituted, and therefore can improve the conversion efficiency of electric power.
Fig. 6 represents the main portion cutaway view of the electric supply installation 10 of the present invention the 4th embodiment.The magnetic substance 14 of this electric supply installation 10 is identical with other embodiment, is arranged on car 2 and is on down relative with the iron core 131 that is subjected to electric unit 13 position of state P out of service.This magnetic substance 14 as shown in Figure 6, continuous one covers, and has integratedly two protuberances 142 that enter in the groove 134 point-blank to two grooves 134 that are located on the iron core 131.By formation magnetic substance 14 like this, the relative area between iron core 131 and the magnetic substance 14 just increases, so just increase through the magnetic flux B of magnetic circuit, coil 132 electricity power also increase.
Fig. 7 represents the stereoscopic figure of the electric supply installation 10 of the present invention the 5th embodiment.In addition, Fig. 8 represents the main portion cutaway view of this electric supply installation 10.This electric supply installation 10 has magnetic substance 14 as shown in Figure 8, and this magnetic substance 14 is configured in car 2 and is on down relative with the iron core 131 that is subjected to electric unit 13 position of state P out of service.Magnetic substance 14 remains on the supporting member 15 of supply line 11 as shown in Figure 7.Fig. 7 has represented that car 2 is in from the state of the position that state P out of service descends slightly.The upper end of magnetic substance 14 and lower end are chimeric with the bar portion 151 of supply line 11 supporting members 15 respectively.
If it is parallel that magnetic substance 14 is retained with respect to supply line 11,15 pairs of central portions of a then also available supporting member keep, and replace upper end and lower end are supported.Therefore in the present embodiment, the holding element of the supporting member 15 double as magnetic substances 14 of supply line 11 can reduce the quantity of supporting member 15.In addition, for fixed support 15, also can reduce the quantity of the carriage 16 that lift well 3 sides prepare.
Adopt the electric supply installation 10 that so constitutes, as shown in Figure 8, under car 2 state P out of service, iron core 131 and magnetic substance 14 combinations.In this occasion, because iron core 131 constitutes magnetic circuits with magnetic substance 14, efficient makes coil 132 send electric power well so can utilize the magnetic field that supply line 11 produces.In addition, under state shown in Figure 8, because 15 pairs of supply line 11 of supporting member and magnetic substance 14 keep, so the location between iron core 131, magnetic substance 14 and the supply line 11 can be carried out simultaneously, therefore, the electric supply installation 10 of present embodiment can prevent the decline of the power supplying efficiency that the dislocation of their relative positions is produced.
Other advantage and change are to expect easily for those skilled in the art.Therefore, the main aspect among the present invention is not limited to detailed description and the exemplary embodiments describing and disclose herein.So, can do various changes not breaking away from claim and being equal in the aim and scope of the defined inventive concept of claim.
For example, in the various embodiments described above, the shape of iron core 131 forms the E font in the cross section of the direction of crosscut supply line 11, but also configurable two iron cores that separate, supply line 11 of configuration in the groove 134 of an iron core.In addition, the opening direction of groove 134 can not align in same side yet.For example, the cross sectional shape of iron core 131 is S shape both, also H shape.
Claims (6)
1. electric supply installation is characterized in that having:
Supply line, this supply line are erected in the lift well that lift car moves;
High frequency electric source, this high frequency electric source is supplied in described supply line with high-frequency currents;
Iron core, this iron core are installed on the described car and have groove, and described supply line is configured in described groove inboard non-contactly;
Coil, this coil are wound on the described iron core; And
Magnetic substance, this magnetic substance disposes accordingly along described lift well and each floor, rests under the state of each floor relatively with described iron core in the noncontact mode at described car, and constitutes magnetic circuit with described iron core.
2. electric supply installation as claimed in claim 1 is characterized in that, described iron core has two described grooves, and described magnetic substance covers point-blank to described two grooves continuous under described car state out of service.
3. electric supply installation as claimed in claim 1 is characterized in that described magnetic substance has alar part, and the outside of this alar part from a side of the groove that covers described iron core along described iron core has with gap extends.
4. electric supply installation as claimed in claim 1 is characterized in that, described magnetic substance is positioned at the state in the groove that inserts described iron core.
5. electric supply installation as claimed in claim 1 is characterized in that, described magnetic substance has the protuberance in the groove that enters described iron core.
6. electric supply installation as claimed in claim 4 is characterized in that, described magnetic substance is fixed in the bar portion of the nonmagnetic supporting member that described supply line is supported.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007123734A JP4993713B2 (en) | 2007-05-08 | 2007-05-08 | Power supply device for elevator |
JP2007-123734 | 2007-05-08 |
Publications (2)
Publication Number | Publication Date |
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CN101301979A true CN101301979A (en) | 2008-11-12 |
CN101301979B CN101301979B (en) | 2010-10-13 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008100967847A Active CN101301979B (en) | 2007-05-08 | 2008-05-08 | Power supply unit for supplying power for elevator cage |
Country Status (2)
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JP (1) | JP4993713B2 (en) |
CN (1) | CN101301979B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101820189A (en) * | 2010-04-09 | 2010-09-01 | 清华大学 | Non-contact type power supply device for supplying power to automatic doffer |
CN107686037A (en) * | 2016-08-05 | 2018-02-13 | 株式会社日立制作所 | Elevator device |
CN108599401A (en) * | 2018-07-10 | 2018-09-28 | 中惠创智无线供电技术有限公司 | A kind of track wireless power supply |
CN108946405A (en) * | 2017-05-18 | 2018-12-07 | 细美事有限公司 | Tower hoist |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6587127B2 (en) * | 2015-07-30 | 2019-10-09 | シンフォニアテクノロジー株式会社 | Non-contact power feeding device |
CN107473041A (en) * | 2017-08-08 | 2017-12-15 | 曾美枝 | A kind of emergency staircase |
KR102339733B1 (en) * | 2020-02-11 | 2021-12-15 | (주)화인파워엑스 | maintenance lift device for wireless track extension type |
JP7124845B2 (en) * | 2020-05-28 | 2022-08-24 | フジテック株式会社 | Contactless power supply system for elevators |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08175233A (en) * | 1994-12-26 | 1996-07-09 | Toyota Autom Loom Works Ltd | Noncontact power feeding system |
JP3334395B2 (en) * | 1995-01-17 | 2002-10-15 | 株式会社豊田自動織機 | Non-contact power supply |
JP4573395B2 (en) * | 2000-04-27 | 2010-11-04 | 三菱電機株式会社 | Elevator power feeder |
-
2007
- 2007-05-08 JP JP2007123734A patent/JP4993713B2/en active Active
-
2008
- 2008-05-08 CN CN2008100967847A patent/CN101301979B/en active Active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101820189A (en) * | 2010-04-09 | 2010-09-01 | 清华大学 | Non-contact type power supply device for supplying power to automatic doffer |
CN107686037A (en) * | 2016-08-05 | 2018-02-13 | 株式会社日立制作所 | Elevator device |
CN108946405A (en) * | 2017-05-18 | 2018-12-07 | 细美事有限公司 | Tower hoist |
CN108946405B (en) * | 2017-05-18 | 2020-12-11 | 细美事有限公司 | Tower type elevator |
CN108599401A (en) * | 2018-07-10 | 2018-09-28 | 中惠创智无线供电技术有限公司 | A kind of track wireless power supply |
CN108599401B (en) * | 2018-07-10 | 2024-06-11 | 中惠创智(深圳)无线供电技术有限公司 | Wireless power supply device for track |
Also Published As
Publication number | Publication date |
---|---|
JP4993713B2 (en) | 2012-08-08 |
CN101301979B (en) | 2010-10-13 |
JP2008280106A (en) | 2008-11-20 |
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