WO2021139866A1 - Transformateur rotatif à résonance - Google Patents

Transformateur rotatif à résonance Download PDF

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Publication number
WO2021139866A1
WO2021139866A1 PCT/EA2021/050001 EA2021050001W WO2021139866A1 WO 2021139866 A1 WO2021139866 A1 WO 2021139866A1 EA 2021050001 W EA2021050001 W EA 2021050001W WO 2021139866 A1 WO2021139866 A1 WO 2021139866A1
Authority
WO
WIPO (PCT)
Prior art keywords
transformer
windings
transformer according
winding
secondary windings
Prior art date
Application number
PCT/EA2021/050001
Other languages
English (en)
Russian (ru)
Inventor
Кирилл ЧИКЕЮК
Дмитрий МАЛИНОВСКИЙ
Дмитрий СУХАРЕБРЫЙ
Original Assignee
Кирилл ЧИКЕЮК
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Кирилл ЧИКЕЮК filed Critical Кирилл ЧИКЕЮК
Publication of WO2021139866A1 publication Critical patent/WO2021139866A1/fr

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Classifications

    • 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
    • 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
    • H01F38/18—Rotary transformers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/28—Layout of windings or of connections between windings

Definitions

  • the claimed invention relates to electrical engineering, and more specifically to resonant transformers for contactless transmission of electricity to rotating elements, which may be present, in particular, in radars, in video surveillance cameras, in robotic arms, in display devices.
  • the existing design of ferrite transformers includes, as a rule, a ferrite core, and located inside it, the primary and secondary windings, as shown in FIG. 1 A.
  • a similar type of transformer is used for display devices, in particular for holographic fans (Fig. 1B).
  • the disadvantages of the known devices are low energy transfer with limited dimensions due to low efficiency, and the presence of a ferrite core, which increases the dimensions of the transformer and reduces the reliability of the devices.
  • a new transformer design which increases the efficiency while maintaining the small dimensions of the device and does not contain a ferrite core, which increases the overall service life and efficiency while maintaining the small dimensions of the device, as well as resistance to stress and vibration loads.
  • the design of a resonant rotating transformer which contains two parts, one part containing a primary winding, the second part containing at least two secondary windings, while the primary winding is located between the mentioned at least two secondary windings.
  • one of the parts is stationary, and the second is made with the possibility of rotation.
  • both parts are rotatable.
  • the primary winding is wound on the frame.
  • At least one secondary winding is wound on the frame.
  • the frame is made in the form of a cylinder.
  • At least two secondary windings are wound on cylinders of different diameters.
  • At least two secondary windings are connected in series or in parallel.
  • At least one of the secondary windings is made in the form of two windings connected in parallel or in series.
  • the turns of two windings of at least one secondary winding are arranged in such a way that a turn of the other winding is wound next to the turn of one winding.
  • the cylinder is hollow.
  • the primary winding cylinder is hollow.
  • the windings of at least one secondary winding are nested within each other.
  • each of the secondary windings is located on a separate frame.
  • FIG. 1A illustrates a general view of a ferrite transformer.
  • FIG. 1B illustrates a general view without a ferrite transformer.
  • FIG. 2A to FIG. 2D illustrates an example of an implementation of a transformer with two secondary windings each containing one winding.
  • FIG. 3A - Fig. ⁇ illustrate an example of a transformer implementation, in which each of the secondary windings contains two windings.
  • FIG. 4 illustrates a general view of a display device.
  • the transformer (10) comprises two parts (a rotor part and a stator part).
  • the stator part contains a primary winding (101), and the rotor part contains two secondary windings (201, 301).
  • the primary winding (101) is located between the secondary windings (201), (301).
  • a circuit with the location of the primary winding between two secondary windings makes it possible to do without a ferrite core when transmitting large powers with a sufficiently high efficiency. Also, an increase in this efficiency is facilitated by the division of the windings into several parts, which makes it possible to make the winding of the windings thinner and longer, thereby increasing the area of the conductor located in the maximum proximity to the radiation source (primary winding 101).
  • the system with the proposed transformer (10) has, as a rule, the following dimensions: 50 mm in diameter and 20 mm in height; in this case, the transformer (10) provides about 120 W of power output with the efficiency of the system (i.e. the transformer as part of the display device) up to 93%.
  • both parts of the transformer (10) can be rotatable.
  • Such an implementation example is required in the case when the stator part of the transformer (10) is mounted on a rotating element, for example, a platform.
  • Primary (101) and secondary (201, 301) windings can be wound on frames made in the form of hollow cylinders of different diameters.
  • FIG. 2D schematically shows the principle of operation of the claimed transformer (10).
  • FIG. 3A - ⁇ an example is presented in which each of the secondary windings of the rotor part consists of two windings (201, 202) and (301, 302). In this case, the windings (201, 202) - (301, 302) can be connected both in series and in parallel.
  • the transformer in FIG. 2B differs from the transformer in FIG. 2C in that at the output of the transformer in FIG. 2C, twice the voltage is present with respect to the transformer in FIG. 2B. Since the transformer in FIG. 2C contains four rectifier elements, the efficiency of such a transformer will be less than that of the transformer in FIG. 2B.
  • the transformer in FIG. The SV differs from the transformer in FIG. ⁇ in that at the output of the transformer in FIG. 3S there is a double voltage with respect to the transformer in FIG. ⁇ . Since the transformer in FIG. The ZS contains four rectifier elements, the efficiency of such a transformer will be less than that of the transformer in Fig. ⁇ .
  • transformers in FIG. ZA and ZV differ only in the way the secondary winding is realized. In terms of their efficiency, both transformers are equivalent.
  • winding of the winding on the frame with such an implementation scheme can be carried out in various ways, for example, winding only the primary winding (101), one of the secondary windings, i.e. (201, 202) or (301, 302), etc.
  • each of the windings (201, 202, 301, 302) of the secondary winding can be located on a separate frame.
  • the turns of the windings (201, 202) and (301, 302) can be arranged in such a way that a turn of another winding (for example, 202, or 301, or 302) is wound next to the turn of one winding (for example, 201).
  • the windings (201, 202) or (301, 302) can be nested in each other.
  • Such transformers can be used where different types of devices rotate at different speeds, while these devices need to provide continuous power supply with sufficiently large currents. Also, the proposed design of the transformer is applicable in devices where battery power is not applicable due to the short operating life, and where the rotating contact device is not suitable for its service life, speed and environmental factors.
  • FIG. 4 shows an example of a general view of a display device (400), which proposes the use of the design of the claimed transformer (10).
  • the display device (400) in particular, can be made in the form of a device, operating on the principle of inertia of visual perception, and containing at least one rotating blade on which light sources (for example, LEDs) are located, and a processing unit that can process images and send the necessary signals at the right time to each of the light sources so that the device displayed one whole picture or video.
  • light sources for example, LEDs
  • FIG. 4 shows an example of a general view of a display device (400), which proposes the use of the design of the claimed transformer (10).
  • the display device (400) in particular, can be made in the form of a device, operating on the principle of inertia of visual perception, and containing at least one rotating blade on which light sources (for example, LEDs) are located, and a processing unit that can process images and send the necessary signals at the right time to each of the light sources so that

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Or Transformers For Communication (AREA)

Abstract

La présente invention se rapporte au domaine de l'électrotechnique et, plus précisément, des transformateurs à résonance pour la transmission sans contact d'énergie électrique vers des éléments rotatifs que l'on peut utiliser notamment dans des radars, des chambres d'observation vidéo, des robots-manipulateurs, et des dispositifs de représentation. Ce transformateur rotatif à résonance comprend deux parties, dans lequel une partie comprend un enroulement primaire et la seconde partie comprend au moins deux enroulements secondaires; l'enroulement primaire est disposé entre lesdits au moins deux enroulements secondaires.
PCT/EA2021/050001 2020-01-06 2021-01-06 Transformateur rotatif à résonance WO2021139866A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202062957509P 2020-01-06 2020-01-06
US62/957,509 2020-01-06

Publications (1)

Publication Number Publication Date
WO2021139866A1 true WO2021139866A1 (fr) 2021-07-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EA2021/050001 WO2021139866A1 (fr) 2020-01-06 2021-01-06 Transformateur rotatif à résonance

Country Status (1)

Country Link
WO (1) WO2021139866A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101447324A (zh) * 2008-09-18 2009-06-03 深圳创维－Rgb电子有限公司 变压器结构
TW201005697A (en) * 2008-07-23 2010-02-01 Univ Nat Formosa Fan display device
WO2011130394A2 (fr) * 2010-04-13 2011-10-20 Enphase Energy, Inc. Transformateur amélioré
US20120038308A1 (en) * 2009-03-11 2012-02-16 Alstom Technology Ltd Rotating transformer for supplying the field winding in a dynamoelectric machine
US20160181005A1 (en) * 2013-02-22 2016-06-23 Intel Deutschland Gmbh Transformer and electrical circuit
CN106877573A (zh) * 2017-03-29 2017-06-20 江苏金坛绿能新能源科技有限公司 一种永磁同步电机旋变对零系统及其对零方法
CN206489951U (zh) * 2016-12-30 2017-09-12 四川蔚宇微波科技有限责任公司 一种次级线圈和高频变压器

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201005697A (en) * 2008-07-23 2010-02-01 Univ Nat Formosa Fan display device
CN101447324A (zh) * 2008-09-18 2009-06-03 深圳创维－Rgb电子有限公司 变压器结构
US20120038308A1 (en) * 2009-03-11 2012-02-16 Alstom Technology Ltd Rotating transformer for supplying the field winding in a dynamoelectric machine
WO2011130394A2 (fr) * 2010-04-13 2011-10-20 Enphase Energy, Inc. Transformateur amélioré
US20160181005A1 (en) * 2013-02-22 2016-06-23 Intel Deutschland Gmbh Transformer and electrical circuit
CN206489951U (zh) * 2016-12-30 2017-09-12 四川蔚宇微波科技有限责任公司 一种次级线圈和高频变压器
CN106877573A (zh) * 2017-03-29 2017-06-20 江苏金坛绿能新能源科技有限公司 一种永磁同步电机旋变对零系统及其对零方法

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