CN112332555A - Double-wire guide rail type wireless power supply system - Google Patents

Double-wire guide rail type wireless power supply system Download PDF

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Publication number
CN112332555A
CN112332555A CN202011137598.0A CN202011137598A CN112332555A CN 112332555 A CN112332555 A CN 112332555A CN 202011137598 A CN202011137598 A CN 202011137598A CN 112332555 A CN112332555 A CN 112332555A
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CN
China
Prior art keywords
wire
guide rail
double
power supply
receiving coil
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Granted
Application number
CN202011137598.0A
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Chinese (zh)
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CN112332555B (en
Inventor
吴朝栋
侯祎
李健兵
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Chongqing Qianwei Radio Power Transmission Research Institute Co Ltd
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Chongqing Qianwei Radio Power Transmission Research Institute Co Ltd
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Priority to CN202011137598.0A priority Critical patent/CN112332555B/en
Publication of CN112332555A publication Critical patent/CN112332555A/en
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Publication of CN112332555B publication Critical patent/CN112332555B/en
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
    • H01F27/306—Fastening or mounting coils or windings on core, casing or other support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/14—Inductive couplings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
    • H02J50/402—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)

Abstract

The invention relates to the technical field of wireless energy transmission, and particularly discloses a double-wire guide rail type wireless power supply system which comprises a transmitting end and a picking end which are wirelessly and magnetically coupled; the transmitting end comprises a double-wire transmitting guide rail with opposite current directions, and at least one energy transmission section in the double-wire transmitting guide rail is arranged along the motion direction of the mobile equipment; the pick-up end comprises a power supply device, the power supply device comprises a first receiving coil and a second receiving coil which are connected in series and correspond to the double-wire transmitting guide rail; the first receiving coil is wound according to a first winding direction, the second receiving coil is wound according to a second winding direction, and the first winding direction and the second winding direction are opposite. The invention is provided with the double-wire transmitting guide rail and the corresponding power taking device, and the double-wire transmitting guide rail is arranged according to the working path of the mobile equipment, so that the power taking device arranged on the mobile equipment and the double-wire transmitting guide rail always keep wireless magnetic coupling in the working process of the mobile equipment, and energy is obtained to continuously supply power to the mobile equipment.

Description

Double-wire guide rail type wireless power supply system
Technical Field
The invention relates to the technical field of wireless energy transmission, in particular to a double-wire guide rail type wireless power supply system.
Background
For some wired mobile devices, such as elevators and trams, because of the need for continuous power supply, longer power lines need to be lapped (the elevators adopt trailing cables and the trams adopt trolley lines), and the power lines move along with the movement of the devices, so that the operation of the devices is easily affected, the cables also have safety risks such as abrasion, accelerated aging, unsafe exposure and the like, and the reliability and the operation efficiency of the devices are greatly reduced.
For some charging mobile devices, such as warehouse transportation and logistics sorting robots, a specially-designed charging point needs to be reached during charging, so that the charging mobile devices cannot work any more, the working efficiency is affected, and batteries with large capacity are often needed, which means that the devices are heavier, larger in size, more in energy consumption and lower in electric energy utilization efficiency.
Disclosure of Invention
The invention provides a double-wire guide rail type wireless power supply system, which solves the technical problems that: how to wirelessly and continuously power wired mobile devices (such as elevators) and charging mobile devices (such as warehouse handling robots) during operation.
In order to solve the technical problems, the invention provides a double-wire guide rail type wireless power supply system which comprises a transmitting end and a picking end which are wirelessly and magnetically coupled; the transmitting end comprises a double-wire transmitting guide rail with opposite current directions, and at least one energy transmission section in the double-wire transmitting guide rail is arranged along the motion direction of the mobile equipment; the pick-up end comprises a power supply device, the power supply device comprises a first receiving coil and a second receiving coil which are connected in series and correspond to the double-wire transmitting guide rail; the first receiving coil is wound according to a first winding direction, the second receiving coil is wound according to a second winding direction, and the first winding direction and the second winding direction are opposite.
Preferably, the double-wire transmitting guide rail is a double-wire type formed by winding a single excitation wire, and the opposite wire sections on the left and right sides are used as the energy transmission sections and respectively correspond to the first receiving coil and the second receiving coil.
Preferably, each of the first receiving coil and the second receiving coil includes 1 or more single coils.
Preferably, the power takeoff device further comprises a resonant capacitor in resonant matching with the first receiving coil and the second receiving coil; the resonance capacitor comprises more than 1 capacitor matrix, and forms a resonance topology including but not limited to series resonance with the first receiving coil and the second receiving coil.
Preferably, the electricity taking device further comprises a coil installation cavity and a circuit board installation cavity, the cavity shell of the coil installation cavity is made of magnetic conductive materials, at least two sections of outwards-protruding cavities are arranged at the bottom of the cavity shell, a groove matched with a double-line transmission guide rail of a wireless energy transmission system is formed between every two adjacent sections of outwards-protruding cavities, the circuit board installation cavity is installed at the top of the coil installation cavity, and magnetic shielding materials are arranged between the circuit board installation cavity and the coil installation cavity.
Preferably, the coil installation cavity is an 'E' -shaped cavity, an 'E' -shaped magnetic core is arranged in the 'E' -shaped cavity, the two single coils of the first receiving coil are wound on the horizontal magnet and the vertical magnet at the upper end of the 'E' -shaped magnetic core respectively, and the two single coils of the second receiving coil are wound on the horizontal magnet and the vertical magnet at the lower end of the 'E' -shaped magnetic core respectively.
Preferably, the circuit board mounting cavity is made of an aluminum alloy material, and a bottom plate of the circuit board mounting cavity is used as a magnetic shielding material arranged between the circuit board mounting cavity and the coil mounting cavity.
Preferably, the transmitting terminal further comprises a primary side controller connected with the dual-line transmitting guide rail, and the primary side controller is used for converting an input first power supply and outputting a second power supply with power within 0-200 kW to the dual-line transmitting guide rail.
Preferably, the receiving end further includes a secondary side converter connected to the power taking device, and is configured to adjust the high-frequency current output by the power taking device to a stable third power supply to supply power to the mobile device.
The double-wire guide rail type wireless power supply system provided by the invention has the beneficial effects that:
(1) the wireless magnetic coupling power supply system is characterized in that a transmitting end and a picking end of wireless magnetic coupling are arranged, the transmitting end comprises a double-line transmitting guide rail with opposite current directions, at least one section of energy transmission section in the double-line transmitting guide rail is arranged along the motion direction of the mobile equipment, namely the double-line transmitting guide rail is arranged according to the working path of the mobile equipment, so that in the working process of the mobile equipment, a power taking device and the double-line transmitting guide rail which are installed on the mobile equipment always keep wireless magnetic coupling, the energy is obtained to continuously and continuously supply power to the mobile equipment, the non-contact transmission of electric energy from fixed equipment to the mobile equipment is realized, the continuous and stable power supply requirements on the mobile equipment under different scenes are met, and the wireless magnetic coupling power supply system is a high;
(2) the power taking device comprises a first receiving coil and a second receiving coil which are connected in series, the winding directions of the first receiving coil and the second receiving coil are opposite corresponding to the double-wire transmitting guide rail, so that the obtained electric energy is superposed and output, and the transmission capability is improved;
(3) according to the requirement of the mobile equipment on electric energy, the power of the double-wire transmitting guide rail can be adjusted or the double-wire transmitting guide rail is added or deleted, and if the double-wire transmitting guide rail is added or deleted, the magnetic coupling coil matched with the double-wire transmitting guide rail is correspondingly added or deleted, so that the transmission quality of the wireless electric energy is ensured.
Drawings
Fig. 1 is a structural diagram of a two-wire rail-type wireless power supply system according to an embodiment of the present invention;
fig. 2 is a schematic view of a two-wire transmission guide rail and a power take-off mounted on an elevator provided by an embodiment of the present invention;
fig. 3 is a perspective view of the power supply provided in the embodiment of the present invention;
fig. 4 is an exploded view of a power takeoff provided in an embodiment of the present invention;
fig. 5 is a circuit diagram of a two-wire guideway wireless power supply system according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a connection relationship between a capacitance matrix and a receiving coil according to an embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, which are given solely for the purpose of illustration and are not to be construed as limitations of the invention, including the drawings which are incorporated herein by reference and for illustration only and are not to be construed as limitations of the invention, since many variations thereof are possible without departing from the spirit and scope of the invention.
The present embodiment provides a two-wire rail-type wireless power supply system, as shown in fig. 1, which includes a transmitting terminal and a pick-up terminal, wherein the transmitting terminal includes a primary side controller 100 and a two-wire transmitting rail 200 that are electrically connected, and the pick-up terminal includes an electricity obtaining device 300 and a secondary side converter 400 that are electrically connected. The primary side controller 100 is used for converting an input first power supply (such as 380V AC or 750V DC), and outputting a second power supply with the output power covering 0-200 kW; the double-line emission guide rail 200 is used for exciting electric energy into a high-frequency electromagnetic field and can be freely arranged according to the motion track of the mobile equipment; the power collector 300 is used for inducing the high-frequency electromagnetic field generated by the double-wire transmitting guide rail 200 and converting the high-frequency electromagnetic field into high-frequency current; the secondary converter 400 is used for adjusting the high-frequency current of the power supplier 300 into a stable third power supply to supply power to the mobile device, and supports single output or multiple sets of parallel output.
The two-wire transmitting guide rail 200 of this embodiment is formed by winding a single excitation wire into a two-wire shape, and the two opposite wire segments (the first two-wire transmitting guide rail 201 and the second two-wire transmitting guide rail 202) on the left and right sides are used as the energy transmission segments and respectively correspond to the first receiving coil and the second receiving coil of the power taker 300. Taking an elevator as an example, the two-wire transmitting guide rail 200 of the present embodiment is configured as a "U" shape as shown in fig. 2. In fig. 5, the first and second dual- wire transmission rails 201 and 202 are represented as a first transmission coil LP1And a second transmitting coil LP2。
When the power is on, magnetic fields are generated around the first double-wire emission guide rail 201 and the second double-wire emission guide rail 202, if the first double-wire emission guide rail 201 and the second double-wire emission guide rail 202 are equivalently analyzed by two parallel wires, for the two parallel wires with equal electrifying current and opposite electrifying current, the magnetic field intensity is distributed in a concave shape on a connecting line connecting the centers of the wires, and on a plane which is in the middle point and perpendicular to the connecting line, the magnetic field intensity generated by the current of the two wires is equal in magnitude and same in direction, and is 2 times of the magnetic field generated by the current of each wire.
In this embodiment, as shown in fig. 3 and 4, the power takeoff 300 includes a coil installation cavity 1 and a circuit board installation cavity 2, a cavity shell of the coil installation cavity 1 is made of a magnetic conductive material, and at least two sections of protruding cavities 3 are arranged at the bottom of the cavity shell, a groove 4 adapted to a transmission line of the wireless energy transmission system is formed between two adjacent sections of protruding cavities 3, the circuit board installation cavity 2 is installed at the top of the coil installation cavity 1, and a magnetic shielding material is arranged between the circuit board installation cavity 2 and the coil installation cavity 1. In the process of reciprocating movement of the elevator car, the electricity taking device 300 moves along the energy transmission section of the emission guide rail, and the energy transmission section of the emission guide rail is embedded in the groove 4 of the electricity taking device 300 in a non-contact manner.
Specifically, in order to pick up electric energy to a greater extent, the power takeoff device 300 includes a first receiving coil and a second receiving coil connected in series, and two single coils of the first receiving coil are wound on the horizontal magnet and the vertical magnet at the upper end 5 of the "E" type magnetic core, and two single coils of the second receiving coil are wound on the horizontal magnet and the vertical magnet at the lower end of the "E" type magnetic core, respectively, corresponding to the two-wire transmission rail. The first and second receiving coils are denoted as receiving coils 6.
Specifically, the circuit board mounting cavity 2 is provided with a circuit board 7 with a resonant capacitor, and an insulating plate 9 is further embedded between the circuit board 7 and a top cover plate 8 of the circuit board mounting cavity 2.
Specifically, the circuit board installation cavity 2 is made of an aluminum alloy material, and a bottom plate of the circuit board installation cavity 2 serves as a magnetic shielding material arranged between the circuit board installation cavity 2 and the coil installation cavity 1.
Specifically, an external connection line is led out from the circuit board 7, and the external connection line passes through a threading hole in the top cover plate 8 and extends outwards.
Specifically, the top cover plate 8 is fixed to the top of the circuit board mounting chamber 2 by locking screws.
Specifically, the coil installation cavity 1 and the circuit board installation cavity 2 are detachably connected through a locking screw.
When in actual use, because get electrical apparatus output conductor node beading on circuit board 7, if pull and get electrical apparatus output conductor then probably lead to the node to drop, consequently, still be provided with wire winding stake 10 in the coil installation cavity 1, after the node welding, through wire winding stake 10 winding part wire, when pulling the wire, wire winding stake 10 can offset most effort to the connected node disconnection of wire and circuit board 7 has been avoided.
The two single coils of the first transmitting coil of the present embodiment are respectively denoted as L in fig. 5S1And LS2. The two single coils of the second transmitting coil are respectively denoted as L in fig. 5S3And LS4. And, LS1And LS2Same winding direction, LS3And LS4Same winding direction, but LS1/LS2And LS3/LS4Opposite winding direction, LS1And LS2The picked current and LS3And LS4And the picked electric energy is output after being superposed.
In this embodiment, the power extractor 300 further includes a resonant capacitor C for performing resonant matching with the first receiving coil and the second receiving coilS(ii) a Resonant capacitor CSThe antenna comprises more than 1 capacitor matrix, and the capacitor matrix, the first receiving coil and the second receiving coil form a resonance topology including but not limited to series resonance. As shown in FIG. 6, there are 4 capacitor matrices, each denoted by C1、C2、C3、C4And each capacitor matrix (C)1、C2、C3、C4) Each of the three-dimensional array capacitor is formed by connecting a plurality of patch capacitors in series and parallel, in this embodiment, a 3 × 7 array mode is adopted, each 3 patch capacitors are connected in series to form one row, and finally, 7 rows are connected in parallel. By adopting the capacitance matrix mode, not only can larger capacity be achieved, but also space can be saved, and space can be conveniently compressed.
In this embodiment, the primary side controller 100 mainly includes a high frequency inverter circuit and a primary side resonant circuit connected in sequence, and the primary side resonant circuit is connected to the first dual-line transmission rail 201 and the second dual-line transmission rail 202 connected in series. The high-frequency inverter circuit adopts an inverter bridge formed by a plurality of IGBT switches, and the primary side resonant circuit adopts a classical LCC type resonant network.
The secondary converter 400 includes a rectifying, filtering and voltage regulating circuit, mainly including a diode, a capacitor, a DCDC module, and the like, and outputs a stable third power supply to supply power to the mobile device.
The embodiment of the invention provides a double-wire guide rail type wireless power supply system which comprises the following components:
(1) a transmitting end and a picking end of wireless magnetic coupling are arranged, the transmitting end comprises a double-line transmitting guide rail 200 with opposite current directions, at least one section of energy transmission section in the double-line transmitting guide rail 200 is arranged along the motion direction of the mobile equipment, namely, the double-line transmitting guide rail 200 is arranged according to the working path of the mobile equipment, so that in the working process of the mobile equipment, an electricity fetching device 300 installed on the mobile equipment and the double-line transmitting guide rail 200 always keep wireless magnetic coupling, the energy is obtained to continuously and continuously supply power to the mobile equipment, the non-contact transmission of electric energy from fixed equipment to the mobile equipment is realized, the continuous and stable power supply requirements on the mobile equipment under different scenes are met, and the wireless magnetic coupling wireless magnetic transmission wireless;
(2) the power extractor 300 is arranged to comprise a first receiving coil and a second receiving coil which are connected in series, the winding directions of the first receiving coil and the second receiving coil are opposite corresponding to the double-wire transmitting guide rail 200, so that the obtained electric energy is output in a superposition mode, and the transmission efficiency is improved;
(3) according to the requirement of the mobile equipment on the electric energy, the power of the double-wire transmitting guide rail 200 can be adjusted or the double-wire transmitting guide rail 200 is added or deleted, if the double-wire transmitting guide rail 200 is added or deleted, the magnetic coupling coil matched with the double-wire transmitting guide rail is correspondingly added or deleted, so that the transmission quality of the wireless electric energy is ensured.
It should be further noted that, according to specific requirements, in other embodiments:
1) the two-wire transmitting guide rails 200 can be arranged into a plurality of groups, and the receiving coils 6 are correspondingly arranged into a plurality of groups;
2) a plurality of electricity collectors 300 can be arranged along the direction of the guide rail and are all installed on the mobile equipment, or a plurality of electricity collectors 300 can be integrated into one device;
3) a plurality of single coils can be arranged on the upper end, the lower end and the vertical magnet of the E-shaped cavity body in series, but only one single coil can be arranged;
4) the capacitance matrix can be arranged in other array modes, such as 4 × 6, 2 × 8 and the like, and the internal capacitances thereof can be connected in series, in parallel or in series and parallel in any combination according to actual needs;
5) the first and second two-wire launching guide rails 201 and 202 may be arranged in other patterns, for example, if the power extractor 300 is installed at the bottom of the logistics sorting robot, the first and second two-wire launching guide rails 201 and 202 do not need to be arranged on the ground, or parallel to each other, and generally only need to keep the distance unchanged, and the first and second two-wire launching guide rails 201 and 202 may be embedded on the ground or buried under the ground according to the predetermined traveling route of the robot, so that the power extractor 300 is arranged as a planar power extractor;
6) the primary side controller 100 may adopt other circuit structures capable of realizing the same function;
7) the secondary converter 400 may have other circuit configurations that can perform the same function;
8) the method is applied to other industries such as logistics sorting, elevators, intelligent storage, dust-free workshops, flow production lines, Automatic Guided Vehicles (AGV) and the like.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.

Claims (9)

1. The double-wire guide rail type wireless power supply system is characterized by comprising a transmitting end and a picking end which are wirelessly and magnetically coupled; the transmitting end comprises a double-wire transmitting guide rail with opposite current directions, and at least one energy transmission section in the double-wire transmitting guide rail is arranged along the motion direction of the mobile equipment; the pick-up end comprises a power supply device, the power supply device comprises a first receiving coil and a second receiving coil which are connected in series and correspond to the double-wire transmitting guide rail; the first receiving coil is wound according to a first winding direction, the second receiving coil is wound according to a second winding direction, and the first winding direction and the second winding direction are opposite; and in the process of the reciprocating motion of the mobile equipment, the power taker moves along the energy transmission section of the emission guide rail.
2. The two-wire rail-type wireless power supply system according to claim 1, characterized in that: the double-wire transmitting guide rail is wound by a single excitation wire into a double-wire shape, and the opposite wire sections on the left side and the right side are used as the energy transmission sections and respectively correspond to the first receiving coil and the second receiving coil.
3. The two-wire rail-type wireless power supply system according to claim 1, characterized in that: the first receiving coil and the second receiving coil each include 1 or more single coils.
4. The two-wire rail-type wireless power supply system according to claim 1, characterized in that: the power taking device further comprises a resonant capacitor which is in resonant matching with the first receiving coil and the second receiving coil; the resonance capacitor comprises more than 1 capacitor matrix, and forms a resonance topology including but not limited to series resonance with the first receiving coil and the second receiving coil.
5. The two-wire rail-type wireless power supply system according to any one of claims 1 to 4, wherein: the electricity taking device further comprises a coil installation cavity and a circuit board installation cavity, the cavity shell of the coil installation cavity is made of magnetic materials, at least two sections of outwards-protruding cavities are arranged at the bottom of the cavity shell, a groove matched with a double-line transmitting guide rail of a wireless energy transmission system is formed between every two adjacent sections of outwards-protruding cavities, the circuit board installation cavity is installed at the top of the coil installation cavity, and magnetic shielding materials are arranged between the circuit board installation cavity and the coil installation cavity.
6. The two-wire rail-type wireless power supply system according to claim 5, wherein: the coil mounting cavity is an E-shaped cavity, an E-shaped magnetic core is arranged in the E-shaped cavity, the two single coils of the first receiving coil are wound on the transverse magnet and the vertical magnet at the upper end of the E-shaped magnetic core respectively, and the two single coils of the second receiving coil are wound on the transverse magnet and the vertical magnet at the lower end of the E-shaped magnetic core respectively.
7. The two-wire rail-type wireless power supply system according to claim 5, wherein: the circuit board mounting cavity is made of aluminum alloy materials, and a bottom plate of the circuit board mounting cavity is used as a magnetic shielding material arranged between the circuit board mounting cavity and the coil mounting cavity.
8. The two-wire rail-type wireless power supply system according to claim 6 or 7, wherein: the transmitting terminal further comprises a primary side controller connected with the double-wire transmitting guide rail, and the primary side controller is used for converting an input first power supply and outputting a second power supply with power within 0-200 kW to the double-wire transmitting guide rail.
9. The two-wire rail-type wireless power supply system according to claim 6 or 7, wherein: the receiving end further comprises a secondary side converter connected with the power taking device and used for adjusting the high-frequency current output by the power taking device into a stable third power supply to supply power to the mobile equipment.
CN202011137598.0A 2020-10-22 2020-10-22 Double-wire guide rail type wireless power supply system Active CN112332555B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114301190A (en) * 2022-01-06 2022-04-08 重庆前卫无线电能传输研究院有限公司 Wireless power supply system and device for monitoring circuit of rotating part of gear box

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105471122A (en) * 2015-12-30 2016-04-06 东南大学 Wireless power supply system for straddle type monorail
CN110855023A (en) * 2020-01-16 2020-02-28 江苏方天电力技术有限公司 Unmanned aerial vehicle multistage receiving type wireless charging system and unmanned aerial vehicle stop guiding method
CN111453589A (en) * 2020-04-27 2020-07-28 重庆市特种设备检测研究院 System and method suitable for wireless energy and signal transmission of elevator car

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105471122A (en) * 2015-12-30 2016-04-06 东南大学 Wireless power supply system for straddle type monorail
CN110855023A (en) * 2020-01-16 2020-02-28 江苏方天电力技术有限公司 Unmanned aerial vehicle multistage receiving type wireless charging system and unmanned aerial vehicle stop guiding method
CN111453589A (en) * 2020-04-27 2020-07-28 重庆市特种设备检测研究院 System and method suitable for wireless energy and signal transmission of elevator car

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114301190A (en) * 2022-01-06 2022-04-08 重庆前卫无线电能传输研究院有限公司 Wireless power supply system and device for monitoring circuit of rotating part of gear box
CN114301190B (en) * 2022-01-06 2023-12-05 重庆前卫无线电能传输研究院有限公司 Wireless power supply system and device for monitoring circuit of rotating part of gear box

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