EP2113930A2 - Anneau d'antenne de stator - Google Patents

Anneau d'antenne de stator Download PDF

Info

Publication number: EP2113930A2
Authority: EP; European Patent Office
Prior art keywords: ring; statorantennenring; sections; wire winding; section
Prior art date: 2008-04-30
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP09005984A

Other languages

German (de)

English (en)

Other versions

EP2113930A3 (fr

EP2113930B1 (fr

Inventor

Norbert Würfl

Werner Nold

Andreas Bertrams

Friedhelm Steinmann

Rudolf Bergmann

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Hottinger Bruel and Kjaer GmbH

Original Assignee

Hottinger Baldwin Messtechnik GmbH

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.)

2008-04-30

Filing date

2009-04-30

Publication date

2009-11-04

2009-04-30 Application filed by Hottinger Baldwin Messtechnik GmbH filed Critical Hottinger Baldwin Messtechnik GmbH

2009-11-04 Publication of EP2113930A2 publication Critical patent/EP2113930A2/fr

2013-06-26 Publication of EP2113930A3 publication Critical patent/EP2113930A3/fr

2019-03-27 Application granted granted Critical

2019-03-27 Publication of EP2113930B1 publication Critical patent/EP2113930B1/fr

Status Active legal-status Critical Current

2029-04-30 Anticipated expiration legal-status Critical

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Images

Classifications

- 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

Definitions

the invention relates to a stator antenna ring for an inductive telemetry system for measuring energy and measured value transmission according to the preamble of patent claim 1
Such a telemetry system is from the DE 10 2005 040 794 A1 in which measured values are transmitted without contact from a rotor of a gas turbine to a stationary component and the energy required for this purpose is reversed.
a support ring is arranged on the stationary device part, in which a stator coil with 10 turns of wire is fixed in isolation.
the wire windings are mounted in a U-shaped groove and are outside of the Carrier ring connected to an alternator and a DC voltage source.
the carrier ring is designed as a circulating iron core, so that the wire turns of the induction coil disposed therein must be arranged in isolation.
the rotor is arranged in front of the carrier ring.
a projecting annular web is flange-mounted, which dips coaxially into the inner region of the stator antenna ring and forms a rotor antenna ring.
an induction coil is arranged as a rotor coil, which faces the stator coil in the form of a thin air gap.
the rotor coil is connected to the measuring electronics mounted on the rotor so that the measuring signals and the measuring energy can be transmitted without contact during rotor operation.
the invention is therefore based on the object to provide a Statorantennenring for an inductive telemetry system that can be used for torque measurement of feasible rotating measuring shafts and that can be easily installed without much installation effort in the measuring shaft system or is easily replaceable.
the invention has the advantage that the radially divisible stator antenna ring mounted in a simple manner even when mounted Measuring shafts can be retrofitted or replaced without having to disassemble the measuring shaft.
the embodiment with a receiving ring made of plastic material has the advantage that the induction coil relative to the stator does not have to be additionally insulated and is also very easy to produce.
the invention with a single radially split wire turn has the additional advantage that it is very robust and reliable, in particular by the hidden entry into the plastic retainer ring.
the embodiment with the dovetail groove on the inner circumferential surface of the carrier ring has the advantage that thereby the attachment of the induction coil to the stator without adhesive processes is easy to produce.
stator made of a polyamide plastic also has the advantage that a very dimensionally stable and dimensionally accurate stator antenna ring can be produced. This additionally has the advantage that such a stator antenna ring does not have to be additionally insulated from the usually metallic stationary housing parts.
Another particular embodiment of the invention in which the plastic carrier ring is mounted directly on a flat terminal housing, has the advantage that thus the Statorantennenring is directly screwed onto a stationary device part and thus at the same time the electronic connection and evaluation electronics is housed mechanically protected.
the drawing shows a mounted on a terminal housing 2 Statorantennenring 1 for a telemetry system of a rotating torque-measuring device having a radially two-piece removable carrier ring 5 made of plastic, on the inner circumferential surface 8, a groove 9 is incorporated, in which a wire winding 10 of an induction coil. 3 is fixed, which is also divided disassembled, wherein the stator antenna ring 1 is fixed with its flattened base part 4 on the terminal housing 2.
the plastic carrier ring 5 of the stator antenna ring 1 is circular and has an inner diameter of preferably about 200 mm and an outer diameter of about 240 mm. But there are also sizes with an inner diameter of 100 to 300 mm executable.
the ring cross-section 14 is preferably rectangular or square, but may also have a rounded or a round shape.
the plastic carrier ring 5 is preferably made of polyamide PA6, which acts simultaneously electrically insulating.
a narrow groove 9 is recessed or milled approximately in the axial center of the inner circumferential surface 8, in which a single wire turn 10 of an induction coil 3 is fixed.
the groove 9 is preferably milled as a dovetail groove into which the wire turn 10 is positively pressed by a Einklippvorgang and flush with the inner circumferential surface 8.
Fig. 2 The design of the individual components of the stator antenna ring 1 without the connection housing 2 is in Fig. 2 the drawing shown in more detail. So shows Fig. 2 the drawing shows a radially two-part plastic carrier ring 5 as a carrier of the insulated introduced wire winding 10, which also according to the plastic ring parts consists of two radial sections 11, 12.
the stator antenna ring 1 can be retrofitted even with a continuous rotatable measuring shaft, without having to dismantle the corrugated shaft section. Therefore, the plastic support ring 5 consists of a horizontal upper portion 6 and a horizontal lower portion 7 with a flattened foot part 4.
Both horizonatlen sections 6, 7 have an angular range of 180 °, wherein the plastic support ring 5 could be composed of several and smaller sections.
the two illustrated sections 6, 7 are fastened to each other on a horizontal line by means of two screw connections, each of which consists of a recessed in the lower section 7 threaded sleeve and with this each introduced through a hole in the lower section 6 screw 16.
the stator ring 1 is screwed vertically horizontally on the underlying terminal housing 2 vertically.
a cable feedthrough is provided in the connection housing 2 in the middle under the foot part 4, where the two connecting wires 17 of the split wire winding 10 are inserted and connected to the feed and evaluation electronics located therein.
the sole wire winding 10 of the induction coil 3 is also divided into equal sections 11, 12 as the plastic carrier ring 5. So is in that Upper section 6 of the plastic carrier ring 5 also clamped an upper wire winding section 11 of 180 °, at the two ends of each a connecting shoe 13 is soldered.
the wire winding 10 is made of a copper material, which is designed as a round or flat wire in order to be able to easily and reliably clip it into the dovetail groove 9.
connection housing 2 the two connecting wires 17 of the induction coil 3 are connected to the feed and evaluation electronics located therein to ensure the inductive transmission.
the terminal housing 2 is formed as a flat cuboid housing body, which does not protrude into the free inner cross section of the Statorantennenrings 1.
two mounting plates 18 arranged alongside each other are also arranged, each having a bore, through which the stator antenna ring 1 can be screwed down to a stationary device part.
stator antenna ring 1 For the function of the telemetry system, the stator antenna ring 1 must be coaxial with a rotor antenna ring that is rotatable in the interior leaving a small air gap between the two antenna parts. With such an antenna pre-alignment, carrier-frequency feed and measuring voltages of a rotatable torque measuring shaft can then be transmitted.

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Arrangements For Transmission Of Measured Signals (AREA)

EP09005984.1A 2008-04-30 2009-04-30 Anneau d'antenne de stator Active EP2113930B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE200810021775 DE102008021775B4 (de)	2008-04-30	2008-04-30	Statorantennenring

Publications (3)

Publication Number	Publication Date
EP2113930A2 true EP2113930A2 (fr)	2009-11-04
EP2113930A3 EP2113930A3 (fr)	2013-06-26
EP2113930B1 EP2113930B1 (fr)	2019-03-27

Family

ID=40796302

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP09005984.1A Active EP2113930B1 (fr)	2008-04-30	2009-04-30	Anneau d'antenne de stator

Country Status (2)

Country	Link
EP (1)	EP2113930B1 (fr)
DE (1)	DE102008021775B4 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN112290191A (zh) *	2020-11-21	2021-01-29	西安热工研究院有限公司	一种适用于叶片动应力/动频率测试的天线环装置
JP2022024227A (ja) *	2020-07-07	2022-02-09	日本航空電子工業株式会社	無線コネクタ着脱方法、ロボット装置、無線コネクタ及び無線コネクタユニット
EP4266485A1 (fr) *	2022-04-19	2023-10-25	Flender GmbH	Unité d'antenne de stator pour un dispositif de mesure

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102005040794A1 (de)	2004-09-09	2006-04-06	Alstom Technology Ltd	Telemetriesystem für die Datenübermittlung, insbesondere zwischen dem rotierenden und dem stationären Teil einer Gasturbine

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH01212131A (ja) *	1988-02-19	1989-08-25	Nippon Syst Kenkyusho:Kk	分割コイル型同軸カプラを用いた伝送装置
DE102004028595A1 (de) *	2004-06-12	2005-12-29	Daimlerchrysler Ag	Vorrichtung zum berührungslosen induktiven Übertragen von Energie und Daten und ein damit ausgestattetes Kraftfahrzeugmodul

2008
- 2008-04-30 DE DE200810021775 patent/DE102008021775B4/de not_active Expired - Fee Related
2009
- 2009-04-30 EP EP09005984.1A patent/EP2113930B1/fr active Active

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102005040794A1 (de)	2004-09-09	2006-04-06	Alstom Technology Ltd	Telemetriesystem für die Datenübermittlung, insbesondere zwischen dem rotierenden und dem stationären Teil einer Gasturbine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2022024227A (ja) *	2020-07-07	2022-02-09	日本航空電子工業株式会社	無線コネクタ着脱方法、ロボット装置、無線コネクタ及び無線コネクタユニット
US12206467B2 (en)	2020-07-07	2025-01-21	Japan Aviation Electronics Industry, Limited	Wireless connector attaching and detaching method, robot device, wireless connector, and wireless connector unit
CN112290191A (zh) *	2020-11-21	2021-01-29	西安热工研究院有限公司	一种适用于叶片动应力/动频率测试的天线环装置
EP4266485A1 (fr) *	2022-04-19	2023-10-25	Flender GmbH	Unité d'antenne de stator pour un dispositif de mesure
WO2023202874A1 (fr) *	2022-04-19	2023-10-26	Flender Gmbh	Ensemble antenne stator pour un dispositif de mesure
US12519205B2 (en)	2022-04-19	2026-01-06	Flender Gmbh	Stator antenna unit for a measuring arrangement

Also Published As

Publication number	Publication date
EP2113930A3 (fr)	2013-06-26
DE102008021775B4 (de)	2012-06-28
DE102008021775A1 (de)	2009-11-05
EP2113930B1 (fr)	2019-03-27

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