EP2436018A1 - Elektrotechnischer anschlussklemmenstein und verwendung eines solchen anschlussklemmensteins - Google Patents
Elektrotechnischer anschlussklemmenstein und verwendung eines solchen anschlussklemmensteinsInfo
- Publication number
- EP2436018A1 EP2436018A1 EP09776652A EP09776652A EP2436018A1 EP 2436018 A1 EP2436018 A1 EP 2436018A1 EP 09776652 A EP09776652 A EP 09776652A EP 09776652 A EP09776652 A EP 09776652A EP 2436018 A1 EP2436018 A1 EP 2436018A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- terminal
- ring
- terminal block
- secondary coil
- power supply
- Prior art date
- 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.)
- Withdrawn
Links
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
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/28—Current transformers
- H01F38/30—Constructions
-
- 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
Definitions
- Electrotechnical terminal block and use of such terminal block are Electrotechnical terminal block and use of such terminal block
- Electrotechnical terminal blocks are known for example from the document DE 199 26 542 Al. Thereafter, at least a single terminal block for connecting the lines, which are guided by the winding strands of an electric motor in the terminal or terminal box of the electric motor, the so-called strand lines, provided with power supply lines.
- a terminal block has, for each connection between one of the power supply lines to be connected and one of the line lines of the electric motor, in each case an electrotechnically insulated connection terminal element.
- the individual terminal block may either comprise only a single terminal element or else several terminal elements. For this purpose, the terminal block on an electrotechnically insulating support member on which the respective terminal elements are mechanically and against each other kept electrically isolated.
- an electric motor with a temperature measuring sensor or temperature sensor which is coupled to at least one of the winding phases of a stator of the electric motor in a heat-conducting manner, that is to say with a low heat transfer resistance.
- Electrotechnical terminal blocks are known for example from the documents DE 199 26 542 Al and DE 019 87 751 U. Instead of temperature measuring sensors or temperature sensors, as they are already used in the first-mentioned document, it is conceivable to use other electrotechnical consumers or small consumers, for example, sensors for the detection of physical variables such as pressures, vibrations and the like.
- vibration generators In addition to the batteries and / or rechargeable batteries, it is also possible to use vibration generators, thermal generators or solar cells, for example, for providing a required supply energy. But these are also costly measures.
- the said usable supply energy is present as long as the relevant mains supply line is active, whereby it can be assumed that the relevant mains supply line is always active.
- the said usable supply energy is therefore continuously available to said electrical consumer.
- a self-sufficient, that is to say continuous and maintenance-free, supply energy is available to said electrotechnical consumer as required by the task.
- a particularly advantageous use of a terminal block according to the invention results in connection with power supply lines associated terminal or junction boxes.
- the task of such terminal or terminal boxes is to connect power supply lines with other electrical engineering entities electrotechnically. In doing so, is almost incidentally in the terminal or terminal box, a dynamic electromagnetic field, which is made useful by the terminal blocks according to the invention.
- terminal blocks are already used in these terminal or terminal boxes, so that these terminal blocks are to be exchanged only by connecting terminal blocks according to the invention, which is possible in the terminal or junction boxes in a simple manner.
- an electrotechnically insulating carrier part is used for the terminal elements of a terminal block, on which the terminal elements are mounted.
- a ring associated with a respectively relevant terminal element is arranged with a first body part region in the carrier part and with a second body part region above the carrier part.
- said ring has good flux line properties for an electromagnetic flux generated in the ring.
- the secondary coil is fastened to the corresponding ring part in the carrier part, but at the same time the connection lines of the secondary coil are kept accessible from outside the carrier part for a connection possibility. As a result, the secondary coil is protected against the action of destructive mechanical forces.
- a predetermined magnetic saturation of the ring can be adjusted, which can be prevented by a too high induction in the secondary coil of the ring connected to the secondary coil of the ring electrical consumer gets destroyed.
- sensors which are often required can advantageously be used, for example, to determine physical variables such as temperatures, pressures, vibrations and so on, for which the supply energy provided by the secondary coil of the ring of the terminal block according to the invention is sufficiently large.
- connection terminal blocks according to the invention can be realized in an advantageous manner, for example as synchronklemmeducationen or as Federkraftklemmtagenen. Particularly advantageous is the use of the terminal block according to the invention in a terminal box or terminal box of an electric motor, because there on the one hand already terminal blocks and on the other hand mains supply lines are used.
- Figure 1 shows an electrical terminal block according to the invention schematically in a front view
- Figure 2 is an electrical terminal block according to the figure 1 schematically in a plan view.
- FIGS. 1 and 2 a terminal block 1 according to the invention is shown with a carrier part 2 made of plastic and thus electrically insulating material, on which according to the present exemplary embodiment, in particular FIG. 2, three pairs each are formed from terminal elements 3, 4.
- the respective individual terminal elements 3, 4 of the pairs of terminal elements 3, 4 are designed, for example, as threaded bolts on which screw nuts not shown in detail in the drawing can be screwed.
- connection terminal element provided with the reference numeral 3 is connected to a wiring harness 5 and the connection terminal element provided with the reference numeral 4 is connected to a power supply line per pair of connection terminal elements 3, 4.
- the individual terminal elements 3, 4 of a pair of terminal elements 3, 4 are electrically conductively connected to each other, which is not shown in detail in the present drawing. In this way, a relevant power supply line feeds a relevant wiring harness 5 of the electric motor with a grid energy.
- a respective ring 7 which consists of a soft magnetic material with good magnetic flux conduction properties, is associated with the respective terminal clamp elements 3.
- the rings may be made of a ferrite material or soft magnetic composite materials (SMC).
- each of the connecting lines 9 for having a connection of an electrical consumer not shown in detail in the drawing.
- the rings 7 are assigned in this way to a terminal element 3 in each case, that in a connection to this terminal element 3 directly or, as realized in the present embodiment, via Anschlußklemmenele- elements 4 indirectly connected and active power supply line in the environment of a connected to the mains supply line resulting line path existing dynamic electromagnetic field inductively on the relevant secondary coil 8 of the ring concerned 7 acts.
- the effect is such that an electrotechnical supply energy which can be used by an electrotechnical consumer connected to these connecting lines 9 can be tapped off at the relevant respective connecting lines 9 of the respectively relevant secondary coil 8.
- a sensor that determines a given physical quantity, such as a temperature, is used.
- terminal members 3, 4 are realized as screw terminal connections. Conceivable, however, are other terminal connections, such as spring clamp terminals.
- Rings 7 need not be provided for each existing power supply line. These can be provided for one or more so-called phases of a network supply depending on an energy requirement for electrical consumers to be used.
- the induced in a ring 7 voltage U is calculated from the law of induction according to the following relationship:
- N stands for the number of turns of the secondary coil 8
- B for the induction passing through the ring 7
- f for the frequency of the current I
- ⁇ for the permeability of the material of the ring 7.
- the voltage U thus increases with the amplitude and the frequency of the current I and with the permeability ⁇ .
- the tapped voltage U is known geometry, with known winding number N, with known material properties ⁇ and at a known frequency f, e.g. at mains frequency, a measure of the current flowing in the supply line I. This can be calculated directly from the voltage U.
- the sensor to be supplied can thus also determine the current I cost if necessary. If two or three rings 7 are installed, all three currents I of a feeding three-phase system can be determined by the first church law or directly.
- a further added benefit can be drawn from the determination of the zero crossings of all three phase currents. From the determination of the zero crossings of the currents at the connection terminal elements 3, 4 can be concluded that the direction of rotation of the rotating rotating field and thus the direction of rotation.
- the load / sensor may also be injected. If the load / sensor is located in the cover of the terminal box, the sensor can be supplied via a cable. Via a cable, the energy obtained via the rings 7 can also be conducted to other locations.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2009/003737 WO2010136051A1 (de) | 2009-05-26 | 2009-05-26 | Elektrotechnischer anschlussklemmenstein und verwendung eines solchen anschlussklemmensteins |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2436018A1 true EP2436018A1 (de) | 2012-04-04 |
Family
ID=41561010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09776652A Withdrawn EP2436018A1 (de) | 2009-05-26 | 2009-05-26 | Elektrotechnischer anschlussklemmenstein und verwendung eines solchen anschlussklemmensteins |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2436018A1 (de) |
WO (1) | WO2010136051A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106623833B (zh) * | 2016-12-26 | 2019-03-22 | 北京有色金属研究总院 | 一种电磁搅拌器线圈与电控系统驱动电源的连接装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1987751U (de) * | 1968-02-01 | 1968-06-20 | Licentia Gmbh | Elektrischer anschlussklemmenstein. |
DE19926542B4 (de) * | 1999-06-10 | 2016-06-09 | Sew-Eurodrive Gmbh & Co Kg | Steckverbindereinheit für einen Anschlußkasten eines Elektromotors |
US7598724B2 (en) * | 2007-01-19 | 2009-10-06 | Admmicro Properties, Llc | Flexible current transformer assembly |
US7307504B1 (en) * | 2007-01-19 | 2007-12-11 | Eaton Corporation | Current transformer, circuit interrupter including the same, and method of manufacturing the same |
-
2009
- 2009-05-26 EP EP09776652A patent/EP2436018A1/de not_active Withdrawn
- 2009-05-26 WO PCT/EP2009/003737 patent/WO2010136051A1/de active Application Filing
Non-Patent Citations (2)
Title |
---|
None * |
See also references of WO2010136051A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2010136051A1 (de) | 2010-12-02 |
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RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: SIEMENS AKTIENGESELLSCHAFT |
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RIC1 | Information provided on ipc code assigned before grant |
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18D | Application deemed to be withdrawn |
Effective date: 20180405 |