WO2015110672A1 - Element de mesure d'un reseau electrique - Google Patents

Element de mesure d'un reseau electrique Download PDF

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Publication number
WO2015110672A1
WO2015110672A1 PCT/ES2014/070056 ES2014070056W WO2015110672A1 WO 2015110672 A1 WO2015110672 A1 WO 2015110672A1 ES 2014070056 W ES2014070056 W ES 2014070056W WO 2015110672 A1 WO2015110672 A1 WO 2015110672A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrical network
measurement
parameters
sensing
electric
Prior art date
Application number
PCT/ES2014/070056
Other languages
English (en)
Spanish (es)
Inventor
Bernat PONS GONZALEZ
Original Assignee
Smilics Technologies, S.L.
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 Smilics Technologies, S.L. filed Critical Smilics Technologies, S.L.
Priority to PCT/ES2014/070056 priority Critical patent/WO2015110672A1/fr
Priority to ES201690037A priority patent/ES2585939B1/es
Publication of WO2015110672A1 publication Critical patent/WO2015110672A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/20—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices
    • G01R15/207—Constructional details independent of the type of device used

Definitions

  • the present invention relates to a measuring element of a particular point of an electrical network, of which are connected to an electrical cable, so when connected to the electrical network through said electrical cable allows to collect signals that are available in said electrical network, such as collecting voltage, current, or temperature signals from the electrical network at that particular point.
  • a switchgear device for example: a magneto-thermal switch, or differential switch, or switch, or switch, or transformer, or surge protector
  • the current flowing through said cable in order to have the data of said parameters at a given moment in time. time (ie a point measurement) or in a continuous period (ie permanent measurement).
  • the conventional systems and / or measurement devices used today are mainly clamp meters, transformers or "shunts" to perform the current measurement, and voltmeters for the measurement of voltage.
  • the object of the present invention is to design a measuring element of a particular point of an electrical network that is easily coupled to an electric cable, whose purpose is to collect signals that are available in this electrical network, at least the signal (s) / It is the current of the electrical network and additionally other signals such as the voltage signal (s) or other parameters.
  • Another object of the present invention is that the measurement element of the invention can be easily put on and removed by a "non-professional" user, and that it can be coupled on a cable of any type and with different diameters with the electric network active, that is, without the need to cut off the power supply or modify the arrangement of any element of the electrical network.
  • yet another object of the present invention is to devise a measuring element, which in addition to connecting to the electrical network and measuring certain parameters, can also transmit said parameters obtained from the electrical network to an external element in order to later treat or manage them
  • the object of the present invention is that claimed in the first claim.
  • the measuring element is connectable to the electrical network through its connection to the outer surface of an electric cable by means of a mechanical fastening which is provided with manual adjustment adjustment means adapted to be attached to the outer surface of a cable electric; and it is provided with means for sensing the signals or parameters of the electrical network, so that when the measuring element is connected to the electric cable, said sensing means pick up signals or parameters of the electric network.
  • the means of regulation of mechanical fastening are configured so that a user or installer, without the need of being a professional installer with technical knowledge and skills, is perfectly capable of adjusting them manually, with great ease and speed, and thus achieve a perfect fit of the measuring element to the different diameters of electrical cables that may exist.
  • the measuring element object of the invention can optionally have anchoring means configured in such a way that once it is manually position the regulating means adapting them to the outer diameter of the cable in question, said anchoring means immovably maintain this determined position.
  • the measuring element can also have other removable retaining means for placing it in case the diameter of the electric cable is very small.
  • the sensing means are adapted to collect at least the electrical current signal that circulates through the electric line, that is to say that they are means for sensing at least the electric current.
  • Said means for sensing the electric current may also comprise other additional sensing means for measuring other parameters or signals other than current, such as voltage, and / or temperature, and / or humidity, and / or vibration sensors. , and / or acceleration, and / or presence / movement / proximity, and / or GPS (which includes the date, time and place of installation), and / or lighting.
  • a current sensor which acts by magnetic coupling, using principles stipulated in the laws of Ampere and Faraday so that said magnetic coupling induces in the sensor a signal proportional to the electric current (I) that circulates through the electric cable in which the measurement is made.
  • I electric current
  • Magnetic sensor also called in technical jargon as Hall effect sensors
  • Air core sensor Rogowski coil
  • the sensing system of the invention by magnetic coupling is a non-intrusive system, in the that the measurement of electrical current is made without any electrical contact with the electrical conductor, since the sensor measures the magnetic field (B) generated by the electric current (I) flowing through the electrical conductor.
  • said sensing means are mounted integrated in an electronic plate or the like.
  • the measuring element also comprises wireless transmission means of the signals or parameters collected by the sensing means to an external central data station, such as a PC or data networks.
  • the aforementioned wireless transmission means are preferably "wifi” or “bluetooth", although alternatively they could be non-wireless means connectable through respective connection plugs or the like provided in said system for this.
  • Said external central data station will be able to carry out the desired actions in each case, for example the management of alarms when the sensed signals surpass predetermined limit parameters, control and / or monitoring tasks of one or several processes, among other possible functions, through the corresponding software and hardware designed for that purpose.
  • the measuring element object of the present invention may comprise means for processing said parameters or signals captured current and / or voltage and / or other parameters, said processing means including its corresponding hardware and software that performs the aforementioned actions and / or signal processing functions of the processing means of said parameters or signals.
  • Both the sensing means, the transmission means, and the processing means are preferably arranged inside a container element, which is arranged connected to the fastening means, so that the measuring element is configured as a compact element comprising means of attachment, and a container element which in turn contains the sensing means, and optionally the transmission means and processing means.
  • both the sensing means, the transmission means, and the processing means are integrated in an electronic board, by welded joints or equivalent means.
  • Said electronic plate is retained in the inner walls of the container element in a preferably horizontal position.
  • the measuring element object of the invention is non-invasive and allows its easy installation in electrical cables that are connected, for example, to a switchgear device, such as magnetothermic or differential switches, switches, switches, transformers or surge protectors) installed in an electrical panel with the active network, without the need to cut off the power supply or the modification and / or extension of said panel, which represents a great saving of time, space and costs, and on the other hand it eliminates inconvenience caused to users by the power grid cut during the installation process.
  • a switchgear device such as magnetothermic or differential switches, switches, switches, transformers or surge protectors
  • the present invention presents multiple and great advantages that make it much more comfortable and easy to use for the user or installer, quick to install and uninstall in relation to the sensing elements existing today, and it is totally versatile to be installed on any type of electric cable without the need to cut the power.
  • Figure 1 illustrates a front perspective view of a preferred embodiment of the measuring element of the invention
  • figure n ° 2 illustrates the same view of figure n ° 1 but in front perspective, in which the electric cable is also drawn in its mounting position;
  • Fig. 3 illustrates a front elevation view of the measuring element of Fig. 1 with an electric cable of diameter DI;
  • Fig. 4 illustrates a front elevation view of the measuring element of Fig. 1 with an electric cable of diameter D2 (D2 ⁇ DI);
  • Fig. 5 illustrates a front elevation view of the measuring element of Fig. 1 with an electric cable of diameter D3 (D3 ⁇ D2);
  • Fig. 6 illustrates a front elevation view of the measuring element of Fig. 1 with an electric cable of diameter D4 (D4 ⁇ D3);
  • Figure 7 illustrates a sectional view in front elevation of the measuring element of Figure 1 with an electric cable of diameter Di, in which the interior of the container element is shown;
  • Fig. 8 illustrates a front perspective view of the measuring element of Fig. 1, in which the placement of the insert is shown in an exploded state;
  • Figure 9 illustrates a schematic view of the operation of the means for sensing the electric current.
  • the measuring element (10) has a body provided with mechanical fastening means to the outer surface of an electric cable (20). ) which are related to a manual adjustment adjustment means adapted to be fastened to the outer surface of each diameter of electric cable (20).
  • Said mechanical fastening means are embodied in upper fastening elements (13a, 13b) and lower fastening elements (14a, 14b, 31), which exert a sufficient pressure for to be able to hold the measuring element (10) in a determined point of the electric cable (20).
  • the upper fastening elements (13a, 13b) comprise two longitudinal elements that emerge one from each adjustment element (12, 25) and symmetrically towards the center, which have an elongated upper part that ends with respective claws (32a, 32b), which have longitudinal protruding surfaces on their lower surface to reinforce the grip on the upper surface of the electric cable (20).
  • the lower elements comprise upwardly extending longitudinal elements (14a, 14b) arranged on both sides of a central longitudinal element as well as longitudinal recess (31), said three elements adapted to make the lower part stopper. of the surface of the cable (20) running through the interior of the measuring element (10).
  • Said adjustment means (11) for manual adjustment are embodied in separate elements (12, 25) adapted to fit one over the other gradually, by inserting the end (30) of an element (25) into the corresponding slots (24) provided in the other element (12).
  • FIG 3 and 4 two different mounting positions of the two regulating elements (12, 25) are shown, in which in the first figure when mounted on an electric cable of diameter DI the end (30) is arranged in the first slot (24), while in the other figure when mounted on a lower diameter electric cable D2 the user manually adjusts the regulating element (12) in the direction indicated by the arrow on the regulating element (25), the end (30) thus being arranged in the third groove (24).
  • the mechanical fastening means that relate to the manual adjustment adjustment means are also related to a container element (15) disposed in the lower part of the measuring element (10). Inside the said container element (15) there is an electronic plate (19), on which the various sensing means, processing means and transmission means are fastened, see figure No. 7.
  • the measuring element object of the invention in its different mounting positions depending on the diameter of the cable (10, 10 ', 10 ", 10'") according to what is shown in the attached figures can present an anchoring means such as respective anchoring elements (17a, 17b) arranged in the regulating elements (12, 25) respectively and designed to be able to be joined, for example, with a pin (not shown in the attached figures).
  • Said anchoring means (17a, 17b) have the function of once the adjustment means (12, 25) are manually positioned adapting them to the outer diameter of the cable (20), maintain that position immovably.
  • the anchoring means are illustrated in their closed position, while in the rest of the figures they are in their open position.
  • the measuring element (10, 10 ', 10 ", 10"') can also present other means of additional retention of removes and pon to be placed when the diameter of the electric cable is very small, for example as it is the case of figures 5 and 6. They are materialized with a false element (16) arranged on the periphery of the measuring element (10, 10 ', 10'',10''') attached to said element of measurement by means of a wearable union easily breakable, so that in case of need the user can break said union and then use said retaining insert (16) to assist in the fastening of the electric cable (20).
  • Figures 1 to 4 show the case in which said retaining insert (16) is attached to the outer surface of the regulating element (12) since the electric cable (20) is sufficiently large, and in contrast Figures 5 and 6 said retaining insert (16) has been detached and is disposed under the ends (32a, 32b) of (13a, 13b), so that the electric cable (20) is retained superiorly by said retaining insert (16).
  • the configuration of said retaining insert (16) can vary, although preferably the one illustrated in the different figures is used, which is formed by a substantially prismatic body whose section has four wings, two of them equal (21). ) and the other wings also identical (22), but different from each other, to allow their adaptation to different types of cable diameter (20), see two different examples of assembly in figures 5 and 6.
  • n 8 shows the mounting position of the retaining element (16) in the measuring element (10), which is positioned by aligning the hole (27) of a protruding element (23) provided on the outside of the insert retention (16) with an element (18a, 18b) disposed in the vicinity of the claws (32a, 32b).
  • this measuring element of an electrical network can be manufactured, in any shape and size, with the most suitable means and materials and with the most convenient accessories, the different components of the invention being able to be replaced by other technically equivalent ones, since all this included in the spirit of the following claims.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)

Abstract

L'élément de mesure peut être raccordé au réseau électrique au moyen d'un raccordement à la surface extérieur d'un câble électrique au moyen d'une fixation mécanique qui est pourvue de moyens de réglage de l'ajustement manuel conçus pour être fixés à la surface extérieur d'un câble électrique; et comprend également des moyens de détection des signaux ou paramètres du réseau électrique, de sorte que lors du raccordement de l'élément de mesure au câble électrique, lesdits moyens de détection recueillent les signaux ou paramètres disponibles dans ledit réseau électrique, tel que le signal de courant. De manière avantageuse, l'élément de mesure peut être installé ou enlevé avec une grande facilité par un utilisateur "non professionnel" et être raccordé à un câble électrique de tout type et de tout diamètre avec le réseau électrique actif.
PCT/ES2014/070056 2014-01-27 2014-01-27 Element de mesure d'un reseau electrique WO2015110672A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/ES2014/070056 WO2015110672A1 (fr) 2014-01-27 2014-01-27 Element de mesure d'un reseau electrique
ES201690037A ES2585939B1 (es) 2014-01-27 2014-01-27 Elemento de medida de una red eléctrica

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/ES2014/070056 WO2015110672A1 (fr) 2014-01-27 2014-01-27 Element de mesure d'un reseau electrique

Publications (1)

Publication Number Publication Date
WO2015110672A1 true WO2015110672A1 (fr) 2015-07-30

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PCT/ES2014/070056 WO2015110672A1 (fr) 2014-01-27 2014-01-27 Element de mesure d'un reseau electrique

Country Status (1)

Country Link
WO (1) WO2015110672A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3318884A1 (fr) * 2016-11-02 2018-05-09 Equinix, Inc. Sonde de surveillance de puissance permettant de surveiller la distribution de puissance dans un système électrique

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982001459A1 (fr) * 1980-10-09 1982-04-29 Matsui Kazuhiro Bride pour faisceau de fils electriques
DE4401070C1 (de) * 1994-01-15 1995-04-20 Bettermann Obo Ohg Vorrichtung zur Halterung eines Datenträgers an einem elektrischen Leiter
US6370810B1 (en) * 2000-08-29 2002-04-16 Scott Widerman Fishing rod holder
JP2010025174A (ja) * 2008-07-16 2010-02-04 Nippon Pop Rivets & Fasteners Ltd 長尺部材保持用のクリップ
US20120236473A1 (en) * 2011-03-18 2012-09-20 Hon Hai Precision Industry Co., Ltd. Electronic device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982001459A1 (fr) * 1980-10-09 1982-04-29 Matsui Kazuhiro Bride pour faisceau de fils electriques
DE4401070C1 (de) * 1994-01-15 1995-04-20 Bettermann Obo Ohg Vorrichtung zur Halterung eines Datenträgers an einem elektrischen Leiter
US6370810B1 (en) * 2000-08-29 2002-04-16 Scott Widerman Fishing rod holder
JP2010025174A (ja) * 2008-07-16 2010-02-04 Nippon Pop Rivets & Fasteners Ltd 長尺部材保持用のクリップ
US20120236473A1 (en) * 2011-03-18 2012-09-20 Hon Hai Precision Industry Co., Ltd. Electronic device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3318884A1 (fr) * 2016-11-02 2018-05-09 Equinix, Inc. Sonde de surveillance de puissance permettant de surveiller la distribution de puissance dans un système électrique
US10267833B2 (en) 2016-11-02 2019-04-23 Equinix, Inc. Power monitoring probe for monitoring power distribution in an electrical system

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