EP1347534B1 - Connection terminal and grounding device - Google Patents
Connection terminal and grounding device Download PDFInfo
- Publication number
- EP1347534B1 EP1347534B1 EP03003914A EP03003914A EP1347534B1 EP 1347534 B1 EP1347534 B1 EP 1347534B1 EP 03003914 A EP03003914 A EP 03003914A EP 03003914 A EP03003914 A EP 03003914A EP 1347534 B1 EP1347534 B1 EP 1347534B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- reinforcing steel
- connecting lug
- concrete
- welded
- earthing
- 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.)
- Expired - Lifetime
Links
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 40
- 230000002787 reinforcement Effects 0.000 claims abstract description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052802 copper Inorganic materials 0.000 claims abstract description 18
- 239000010949 copper Substances 0.000 claims abstract description 18
- 239000004020 conductor Substances 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 abstract description 7
- 239000010959 steel Substances 0.000 abstract description 7
- 238000003466 welding Methods 0.000 abstract description 7
- 239000002184 metal Substances 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 10
- 230000003014 reinforcing effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 238000005219 brazing Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/62—Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors
- H01R4/625—Soldered or welded connections
Definitions
- the present invention relates to a terminal lug for the conductive connection of installations to reinforcing steel cast in concrete for the purpose of grounding, to a corresponding grounding system and to a method for producing a grounding system.
- a Flexible terminal lugs which consist of a copper conductor, welded to a sleeve and this sleeve with a bar of the reinforcement.
- the welding of the copper conductor with the sleeve is done using the complex CADWELD method, which can only be performed by specially trained personnel.
- Terminals are used to connect ground wires and reinforcing bars together.
- connecting copper grounding wires to the reinforcing bars can cause galvanic element formation and therefore corrosion.
- the use of an insulated conductor can not cause corrosion at the transition between concrete and air.
- connection lug can simply be welded to the reinforcing steel without special welding procedures, no specially trained personnel is required for this purpose.
- the welding of the terminal lugs can be advantageously carried out by the construction company, which manufactures the reinforcement.
- a particularly simple solution for producing the terminal lug is to connect the piece of reinforcing steel and the conductor by brazing or notches by means of a notched sleeve with each other.
- Reinforcing steel used is bare, hot-rolled reinforcing steel. This reinforcing steel does not corrode in concrete and is therefore well suited for grounding purposes (as a grounding network). Due to the relatively good conductivity of concrete (about 250 ohm m), the - in foundations - very large concrete surfaces and embedded therein bars of reinforcing steel, the so-called "natural earth” in large quantity or length is required for grounding propagation resistance easy to reach and given the required potential control automatically. The sole use of steel in concrete eliminates any galvanic element formation from the outset.
- the design of the basic earthing network is carried out with regard to the maximum thermal load in the event of a fault and to the permissible contact voltages at the earthing system.
- the design of grounding systems is familiar to the person skilled in the art and will not be discussed further here.
- the required propagation resistance is achieved by deliberate concreting in of additional reinforcing steel in the foundations. This can e.g. in areas where very high ground fault currents can occur (switchgear, outdoor switchgear, ...) are used.
- the connecting lug according to FIG. 1 consists of a piece of bare reinforcing steel 1 with a diameter of at least 10 mm and a length of approx. 2 m as well as one piece of insulated copper rope 2 with a cross section of approx. 95 mm 2 and likewise a length of approx 2 m. Cross-section and lengths are to be adapted to the respective requirements.
- the reinforcing steel and the copper rope are connected by means of a notched sleeve 3 made of copper: the reinforcing steel is connected to the notch sleeve by brazing (brazing 4), the copper rope is notched.
- the notched sleeve is surrounded by a shrink tube 5 beyond its ends.
- Fig. 2 shows how the reinforcing bars 6, which have a length of at least 5 m and a diameter of at least 10 mm, are connected to each other mainly by Rödelharmen 7.
- Rödel2000 are approved as earth connections.
- the Rödeltechen serve on the one hand to produce longitudinal reinforcements 8 with a greater length than that of a reinforcing bar 6, on the other hand thereby the mutually perpendicular longitudinal reinforcements are connected together.
- the individual reinforcing rods are welded together for reasons of better conductivity (black mark in Fig. 2).
- the individual welds have a length of about 5 cm.
- one of the longitudinal reinforcements is to be welded continuously.
- the reinforcing steel 1 of the connecting lug is welded to the continuously welded reinforcing bars at least three places 10 over a length of about 5 cm.
- the terminal lug including the notched sleeve 3 is also poured into concrete.
- the notch sleeve should then be at least about 10 cm below the concrete surface.
- the terminal lugs are generally arranged so that the loose end of the copper rope as close to the plant to be grounded (hall support, equipotential bonding rail and the like) is led out with an excess length of about 1 m.
- the copper cable 2 has at the end of a pressed-cable lug and is guided in Fig. 2 approximately to a building wall 12 and screwed to a potential equalization rail 13 arranged there made of copper.
- a connecting lug for expansion joints which serves to connect two to be ground construction parts, that is about two separate by an expansion joint floor panels, conductively connected to each other.
- a 2 m long piece of reinforcing steel 1 is attached to an approximately 1 m long copper cable 2 with 95 mm 2 cross-sectional area at both ends by means of notched sleeves 3 and brazing 4, as already described in Fig. 1.
- the notched sleeves are in turn surrounded by a shrink tube 5.
- Fig. 4 shows how the connecting lug 1, 2 on two reinforcing bars of each longitudinally welded longitudinal reinforcement 9 of e.g. two adjacent floor panels are welded to both sides of the expansion joint 14.
- This connection lug is not only suitable for expansion joints, but generally for joining metal-reinforced components.
- a hall support 15 is shown, the anchor bolts 17 are embedded in the pillar foundation 18, which has a metal reinforcement 6.
- connecting lug is positioned to the bottom plate 19 so that the flexible copper rope 22 comes to lie in the region of the expansion joint and in the adjacent concrete bodies 18, 19 at least 10 cm is embedded in concrete.
- the associated copper cable 22 leads to about the height of the foundation anchor 16 and then goes back to another piece of reinforcing steel 23 of the connection lug.
- This piece of reinforcing steel 23 extends to the lower boundary of the support foundation 18 and is there welded to the metal reinforcement 6 (welds 10).
- the piece of reinforcing steel 23 is also welded to the foundation anchor 16 (weld 20).
- This terminal lug 21, 22, 23 thus serves the conductive connection of the bottom plate 19 with the metal reinforcement 6 of the support foundation 18th
- the copper cable 32 is guided into the support foundation 18 and only there transitions into a piece of reinforcing steel 31, which is welded to the foundation anchor 16 (welding point 20) and to the metal reinforcement 6 (welds 10) of the support foundation 18.
- the metal reinforcement of the parapet wall 24 is conductively connected to the metal reinforcement 6 of the support foundation 18 via a piece of reinforcing steel 25.
- Fig. 6 the hall floor of a production plant with inventive grounding system is shown in plan view.
- the peripheral Parapetwand 24 has a dash-dotted lines continuously welded metal reinforcement 6.
- the hall floor consists of individual rectangular plates 34 which are interconnected by means of connecting lugs 41 for expansion joints (see FIG. 4).
- In the hall floor are also shown dash-dotted continuously welded metal reinforcements arranged.
- About falling or rising earth electrode 1 (represented by lines with cross) are connected to ground systems, such as the hall supports 15, with continuously welded metal reinforcements 6.
- the spouts 2 (represented by grounding arrows) can be connected to equipotential busbars in the individual rooms of the hall (transformer room 38, electrical control room 39, hydraulic room 40).
- a grounding mesh net smaller 20x20 m is provided in the indoor area 36, shown in dashed lines.
- Two of the stage supports 35 of the stage 37 are also connected via earth electrode 1 with the continuously welded reinforcement.
- the invention is applicable to all environmental conditions and soil conditions, easy to document and due to the standardized material and the consistent operations by the respective construction company without special monitoring feasible.
- connection lugs are used as before, but with copper cables attached to both sides of the reinforcing steel. On This way, elaborate welding processes and any kind of corrosion can be avoided.
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Reinforcement Elements For Buildings (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Multi-Conductor Connections (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Waveguide Aerials (AREA)
Abstract
Description
Die gegenständliche Erfindung betrifft eine Anschlussfahne zum leitenden Verbinden von Anlagen an in Beton eingegossenen Bewehrungsstahl zum Zweck der Erdung, eine entsprechende Erdungsanlage sowie ein Verfahren zur Herstellung einer Erdungsanlage.The present invention relates to a terminal lug for the conductive connection of installations to reinforcing steel cast in concrete for the purpose of grounding, to a corresponding grounding system and to a method for producing a grounding system.
Herkömmliche Methoden zur Herstellung von Erdungsanlagen, wie in der
Gemäß der
Im Verfahren nach der
Es ist daher eine Aufgabe der vorliegenden Erfindung, eine Anschlussfahne zur Verfügung zu stellen, welche die genannten Nachteile, nämlich aufwendige Schweißverfahren, spezielle Hilfskonstruktionen, Korrosion, teures Personal und aufwendige Dokumentation, vermeidet.It is therefore an object of the present invention to provide a terminal lug, which avoids the disadvantages mentioned, namely complex welding methods, special auxiliary structures, corrosion, expensive personnel and complex documentation.
Gelöst wird diese Aufgabe durch eine Anschlussfahne gemäß Anspruch 1 und durch ein Verfahren gemäß Anspruch 8.This object is achieved by a terminal lug according to
Dadurch, dass jener Teil der Anschlussfahne, der mit dem später in Beton eingegossenen Bewehrungsstahl zu verbinden ist, aus dem gleichen oder ähnlichen Material gefertigt ist wie der in Beton eingegossene Bewehrungsstahl, kann es nicht zu galvanischer Elementbildung und damit nicht zur Korrosion kommen. Durch die Verwendung eines isolierten Leiters kann es zu keiner Korrosion am Übergang zwischen Beton und Luft kommen.The fact that the part of the connecting lug, which is to be connected to the reinforcing steel cast in concrete later, is made of the same or similar material as the reinforcing steel cast in concrete, can not lead to galvanic element formation and thus not to corrosion. The use of an insulated conductor can not cause corrosion at the transition between concrete and air.
Die Anschlussfahne kann einfach mit dem Bewehrungsstahl ohne spezielle Schweißverfahren verschweißt werden, es wird hierfür kein speziell ausgebildetes Personal benötigt. Das Anschweißen der Anschlussfahnen kann vorteilhafterweise von der Baufirma vorgenommen werden, welche die Bewehrung herstellt.The connection lug can simply be welded to the reinforcing steel without special welding procedures, no specially trained personnel is required for this purpose. The welding of the terminal lugs can be advantageously carried out by the construction company, which manufactures the reinforcement.
Eine besonders einfache Lösung zum Herstellen der Anschlussfahne besteht darin, das Stück Bewehrungsstahl und den Leiter durch Hartlöten bzw. durch Kerben mittels einer Kerbmuffe miteinander zu verbinden.A particularly simple solution for producing the terminal lug is to connect the piece of reinforcing steel and the conductor by brazing or notches by means of a notched sleeve with each other.
Als Bewehrungsstahl wird blanker, warmgewalzter Bewehrungsstahl verwendet. Dieser Bewehrungsstahl korrodiert in Beton praktisch nicht und ist daher für Erdungszwecke (als Grunderdungsnetz) gut geeignet. Aufgrund der relativ guten Leitfähigkeit von Beton (ca. 250 Ohm m), den - bei Fundamenten - sehr großen Betonoberflächen und den darin eingegossenen Stäben aus Bewehrungsstahl, den sogenannten "natürlichen Erdern", in großer Menge bzw. Länge ist der für Erdungen geforderte Ausbreitungswiderstand leicht zu erreichen und die erforderliche Potentialsteuerung automatisch gegeben. Durch den alleinigen Einsatz von Stahl im Beton wird jede galvanische Elementbildung von Vornherein ausgeschaltet.Reinforcing steel used is bare, hot-rolled reinforcing steel. This reinforcing steel does not corrode in concrete and is therefore well suited for grounding purposes (as a grounding network). Due to the relatively good conductivity of concrete (about 250 ohm m), the - in foundations - very large concrete surfaces and embedded therein bars of reinforcing steel, the so-called "natural earth" in large quantity or length is required for grounding propagation resistance easy to reach and given the required potential control automatically. The sole use of steel in concrete eliminates any galvanic element formation from the outset.
An den Leiter der Anschlussfahne können Betriebserdungen, Potentialausgleichsschienen oder Blitzschutzanlagen, Stahlkonstruktionen, usw. angeschlossen werden.Operating grounding, equipotential bonding rails or lightning protection systems, steel structures, etc. can be connected to the conductor of the connection lug.
Die Auslegung des Grunderdungsnetzes erfolgt im Hinblick auf die maximale thermische Belastung im Fehlerfall und auf die zulässigen Berührungsspannungen an der Erdungsanlage. Die Auslegung von Erdungsanlagen ist dem zuständigen Fachmann geläufig und wird hier nicht weiter erläutert.The design of the basic earthing network is carried out with regard to the maximum thermal load in the event of a fault and to the permissible contact voltages at the earthing system. The design of grounding systems is familiar to the person skilled in the art and will not be discussed further here.
Bei Bauwerken ohne oder mit für Erdungszwecke nicht ausreichender Bewehrung wird durch gezieltes Einbetonieren von zusätzlichem Bewehrungsstahl in den Fundamenten der erforderliche Ausbreitungswiderstand erreicht. Dies kann z.B. in Bereichen, wo sehr hohe Erdschlussströme auftreten können (Schalthäuser, Freiluftschaltanlagen,...), zur Anwendung kommen.For structures without or with insufficient reinforcement for earthing purposes, the required propagation resistance is achieved by deliberate concreting in of additional reinforcing steel in the foundations. This can e.g. in areas where very high ground fault currents can occur (switchgear, outdoor switchgear, ...) are used.
Die Erfindung ist in den Figuren 1 bis 6 beispielhaft und schematisch dargestellt.
- Fig. 1 zeigt eine erfindungsgemäße Anschlussfahne (Ausleitung).
- Fig. 2 zeigt, wie die für eine Erdungsanlage verwendete Metallbewehrung in sich und mit der Anschlussfahne zu verschweißen ist (Draufsicht und Seitenansicht).
- Fig. 3 zeigt eine erfindungsgemäße Anschlussfahne (Verbindungsfahne) für Dehnfugen.
- Fig. 4 zeigt das Gleiche wie Fig. 2, jedoch für Dehnfugen (Draufsicht und Seitenansicht).
- Fig. 5 zeigt die Seitenansicht einer Hallenstütze, mit den erforderlichen Anschlussfahnen von der Bewehrung des Fundaments zur Stahlkonstruktion und zur Bodenplatte.
- Fig. 6 zeigt eine Halle mit erfindungsgemäßer Erdungsanlage.
- Fig. 1 shows a connection lug (discharge) according to the invention.
- Fig. 2 shows how the metal reinforcement used for a grounding system is to be welded in itself and with the terminal lug (top view and side view).
- 3 shows a connecting lug (connecting lug) according to the invention for expansion joints.
- Fig. 4 shows the same as Fig. 2, but for expansion joints (top view and side view).
- Fig. 5 shows the side view of a hall support, with the necessary connection lugs from the reinforcement of the foundation to the steel structure and the bottom plate.
- Fig. 6 shows a hall with inventive grounding system.
Die Anschlussfahne gemäß Fig. 1 besteht aus einem Stück blanken Bewehrungsstahl 1 mit einem Durchmesser von mindestens 10 mm und einer Länge von ca. 2 m sowie aus einem Stück isoliertem Kupferseil 2 mit einem Querschnitt von ca. 95 mm2 und ebenfalls einer Länge von ca. 2 m. Querschnitt und Längen sind dem jeweiligen Bedarfsfall anzupassen. Der Bewehrungsstahl und das Kupferseil sind mittels einer Kerbmuffe 3 aus Kupfer verbunden: der Bewehrungsstahl ist mit der Kerbmuffe durch Hartlöten (Hartlot 4) verbunden, das Kupferseil ist gekerbt. Die Kerbmuffe ist über ihre Enden hinaus mit einem Schrumpfschlauch 5 umgeben.The connecting lug according to FIG. 1 consists of a piece of bare reinforcing
Fig. 2 zeigt, wie die Bewehrungsstäbe 6, die eine Länge von mindestens 5 m sowie einen Durchmesser von mindestens 10 mm aufweisen, miteinander hauptsächlich durch Rödelverbindungen 7 verbunden werden. Rödelverbindungen sind als Erderverbindungen zugelassen. Die Rödelverbindungen dienen einerseits dazu, um Längsbewehrungen 8 mit größerer Länge als der eines Bewehrungsstabes 6 herzustellen, andererseits werden dadurch die zueinander rechtwinkelig angeordneten Längsbewehrungen miteinander verbunden. Bei jenen Längsbewehrungen 9, an welche eine Anschlussfahne angeschweißt wird, werden die einzelnen Bewehrungsstäbe aus Gründen der besseren Leitfähigkeit miteinander verschweißt (schwarze Markierung in Fig. 2). Die einzelnen Schweißnähte haben eine Länge von etwa 5 cm.Fig. 2 shows how the
In Parapetwänden und in Umfassungsmauern ist eine der Längsbewehrungen durchgehend zu verschweißen.In Parapetwänden and in enclosing walls one of the longitudinal reinforcements is to be welded continuously.
Der Bewehrungsstahl 1 der Anschlussfahne wird an den durchgehend verschweißten Bewehrungsstäben an mindestens drei Stellen 10 über eine Länge von jeweils etwa 5 cm angeschweißt. Beim Betonieren des Fundamentes 11 wird die Anschlussfahne einschließlich der Kerbmuffe 3 ebenfalls in Beton eingegossen. Die Kerbmuffe sollte danach zumindest etwa 10 cm unter der Betonoberfläche angeordnet sein. Die Anschlussfahnen werden generell so angeordnet, dass das lose Ende des Kupferseiles möglichst nahe an der zu erdenden Anlage (Hallenstütze, Potentialausgleichsschiene und dergleichen) mit einer Überlänge von etwa 1 m herausgeführt wird.The reinforcing
Das Kupferseil 2 weist am Ende einen aufgepressten Kabelschuh auf und wird in Fig. 2 etwa zu einer Gebäudewand 12 geführt und an eine dort angeordnete Potentialausgleichsschiene 13 aus Kupfer angeschraubt.The
In Fig. 3 ist eine Anschlussfahne für Dehnfugen dargestellt, die dazu dient, zwei zu erdende Konstruktionsteile, also etwa zwei durch eine Dehnfuge getrennte Bodenplatten, leitend miteinander zu verbinden. In diesem Fall wird an einem ca. 1 m langen Kupferseil 2 mit 95 mm2 Querschnittsfläche an beiden Enden mittels Kerbmuffen 3 und Hartlot 4 ein ca. 2 m langes Stück Bewehrungsstahl 1 befestigt, wie es bereits bei Fig. 1 beschrieben wurde. Die Kerbmuffen sind wiederum von einem Schrumpfschlauch 5 umgeben.In Fig. 3, a connecting lug for expansion joints is shown, which serves to connect two to be ground construction parts, that is about two separate by an expansion joint floor panels, conductively connected to each other. In this case, a 2 m long piece of reinforcing
Fig. 4 zeigt, wie die Anschlussfahne 1, 2 an zwei Bewehrungsstäben der jeweils durchgehend verschweißten Längsbewehrung 9 von z.B. zwei benachbarten Bodenplatten an beiden Seiten der Dehnfuge 14 angeschweißt werden. Diese Anschlussfahne eignet sich nicht nur für Dehnfugen, sondern generell zum Verbinden von metallbewehrten Bauteilen.Fig. 4 shows how the connecting
In Fig. 5 ist eine Hallenstütze 15 dargestellt, deren Ankerschrauben 17 im Stützenfundament 18 eingebettet sind, welches eine Metallbewehrung 6 aufweist. An die Bewehrung 6 des Stützenfundaments 18 werden sowohl die Anschlussfahne 31, 32 für die Stahlkonstruktion als auch die Verbindungsfahne 21, 22, 23 für die angrenzende Bodenplatte angeschweißt.In Fig. 5, a
Wichtig ist, dass die Verbindungsfahne zur Bodenplatte 19 so situiert wird, dass das biegsame Kupferseil 22 im Bereich der Dehnfuge zu liegen kommt und in den angrenzenden Betonkörpern 18, 19 mindestens 10 cm einbetoniert wird.It is important that the connecting lug is positioned to the
Das zugehörige Kupferseil 22 führt bis etwa auf die Höhe der Fundamentanker 16 und geht dann wieder in ein weiteres Stück Bewehrungsstahl 23 der Anschlussfahne über. Dieses Stück Bewehrungsstahl 23 reicht bis zur unteren Begrenzung des Stützenfundaments 18 und ist dort an der Metallbewehrung 6 (Schweißstellen 10) angeschweißt. Zusätzlich wird das Stück Bewehrungsstahl 23 auch mit dem Fundamentankern 16 verschweißt (Schweißsstelle 20). Diese Anschlussfahne 21, 22, 23 dient somit der leitenden Verbindung der Bodenplatte 19 mit der Metallbewehrung 6 des Stützenfundaments 18.The associated
Die Erdung der Stützen 15 erfolgt über weitere Anschlussfahnen 31, 32, bei welchen das Kupferseil 32 mit der Stütze 15 leitend verbunden wird. Das Kupferseil 32 wird bis in das Stützenfundament 18 geführt und geht erst dort in ein Stück Bewehrungsstahl 31 über, welches am Fundamentanker 16 (Schweißsstelle 20) sowie an der Metallbewehrung 6 (Schweißstellen 10) des Stützenfundaments 18 angeschweißt ist.The grounding of the
Die Verbindungsstellen zwischen Bewehrungsstahl 21, 23, 31 und Kupferseil 22, 32 sind zur besseren Kennzeichnung mit jeweils einem schwarzen Punkt markiert.The joints between reinforcing
Zusätzlich wird die Metallbewehrung der Parapetwand 24 über ein Stück Bewehrungsstahl 25 mit der Metallbewehrung 6 des Stützenfundaments 18 leitend verbunden.In addition, the metal reinforcement of the
In Fig. 6 ist der Hallenboden einer Produktionsanlage mit erfindungsgemäßer Erdungsanlage in Draufsicht dargestellt. Die umlaufende Parapetwand 24 weist eine strichpunktiert dargestellte durchgehend verschweißte Metallbewehrung 6 auf. Der Hallenboden besteht aus einzelnen rechteckigen Platten 34, welche mittels Anschlussfahnen 41 für Dehnfugen (siehe Fig. 4) untereinander verbunden sind. Im Hallenboden sind ebenfalls strichpunktiert dargestellte durchgehend verschweißte Metallbewehrungen angeordnet. Über fallende oder steigende Erder 1 (durch Linien mit Kreuz dargestellt) sind die zu erdenden Anlagen, etwa die Hallenstützen 15, mit durchgehend verschweißten Metallbewehrungen 6 verbunden. Die Ausleitungen 2 (durch Erdungspfeile dargestellt) können in den einzelnen Räumen der Halle (Transformatorraum 38, Elektroschaltraum 39, Hydraulikraum 40) an Potentialausgleichsschienen angeschlossen werden. Im strichliert dargestellten Hallenberech 36 ist ein Erdungsmaschennetz kleiner 20x20 m vorgesehen. Zwei der Bühnenstützen 35 der Bühne 37 sind ebenfalls über Erder 1 mit der durchgehend verschweißten Bewehrung verbunden.In Fig. 6, the hall floor of a production plant with inventive grounding system is shown in plan view. The
Mehrere einzelne Gebäude sollten mit isoliertem Kupferseil verbunden werden. Zubauten oder Einbauten in bestehende Bauwerke sollten mit den Erdern der bestehenden Gebäude an mindestens zwei Stellen verbunden werden.Several individual buildings should be connected with insulated copper wire. Additions or installations in existing structures should be connected to the earths of existing buildings in at least two places.
Die Erfindung ist für alle Umgebungsbedingungen und Bodenverhältnisse anwendbar, einfach zu dokumentieren und aufgrund des standardisierten Materials und der gleichbleibenden Arbeitsgänge von der jeweiligen Baufirma ohne besondere Überwachung realisierbar.The invention is applicable to all environmental conditions and soil conditions, easy to document and due to the standardized material and the consistent operations by the respective construction company without special monitoring feasible.
Die Erfindung ermöglicht eine einfachere, kostengünstigere und weltweit anwendbare Realisierung von Erdungsanlagen, indem der Bewehrungsstahl der Fundamente systematisch verschweißt wird (natürlicher Erder) und an diesem vorgefertigte, standardisierte Anschluss- oder Verbindungsfahnen angeschweißt werden. Das Kupferseil der Anschlussfahne wird mit der zu erdenden Ausrüstung (Stahlkonstruktion, Potentialausgleichschiene, Blitzschutzableitungen usw.) mittels aufgepresster Kabelschuhe und Schrauben verbunden. Zum Überbrücken von Dehnfugen werden Anschlussfahnen wie vor, jedoch mit beidseitig am Bewehrungsstahl befestigten Kupferseilen verwendet. Auf diese Weise können aufwändige Schweißverfahren und jede Art von Korrosion vermieden werden.The invention enables a simpler, more cost-effective and globally applicable implementation of earthing systems by the reinforcing steel of the foundations is systematically welded (natural earth) and welded to this prefabricated, standardized connection or connection lugs. The copper wire of the connecting lug is connected to the equipment to be grounded (steel construction, equipotential bonding bar, lightning arrester, etc.) by means of pressed-on cable lugs and screws. For bridging expansion joints, connection lugs are used as before, but with copper cables attached to both sides of the reinforcing steel. On This way, elaborate welding processes and any kind of corrosion can be avoided.
Claims (8)
- Prefabricated connecting lug for conductive connection of installations to reinforcing steel (6) which is enclosed in concrete, for earthing purposes, characterized in that the connecting lug is composed of at least one piece of reinforcing steel (1, 21, 23, 31) in the form of a rod or rods, which can be welded to the reinforcing steel (6) which is enclosed in concrete, and of at least one flexible insulated conductor, such as a copper cable (2, 22, 32) which can be connected to the installation.
- Connecting lug according to Claim 1 for bridging expansion joints, characterized in that the conductor (2, 22) is connected at both ends to in each case one piece of reinforcing steel (1; 21, 23).
- Connecting lug according to one of Claims 1 or 2, characterized in that the reinforcing steel (1, 21, 23, 31) and the conductor (2, 22, 32) are connected to one another by means of a notched collar (3).
- Connecting lug according to Claim 3, characterized in that the reinforcing steel (1, 21, 23, 31) is connected to the notched collar (3) by means of a brazed joint (4).
- Connecting lug according to Claim 3 or 4, characterized in that the notched collar (3) is surrounded by a shrink sleeve (5) for additional protection against moisture.
- Earthing installation, comprising reinforcing steel (6, 8, 9) which is enclosed in concrete and to which at least one prefabricated connecting lug is welded for conductive connection of earthing installations to installations to be grounded, or of installations to be grounded to grounded installations, characterized in that at least one connecting lug according to one of Claims 1 to 5 is formed, and the piece of reinforcing steel (1, 21, 23, 31) is welded to the reinforcing steel (9) which is enclosed in concrete.
- Earthing installation according to Claim 6, characterized in that the notched collar (3) for connection of the piece of reinforcing steel (1, 21, 23, 31) to the conductor (2, 22, 32) is likewise enclosed in concrete.
- Method for production of an earthing installation according to Claim 6 or 7, characterized
in that the reinforcing steel (6, 8, 9) is laid and connected in accordance with its function as reinforcement and as part of the earthing installation,
in that at least one prefabricated connecting lug according to one of Claims 1 to 5 is welded to the reinforcing steel (9), and
in that the reinforcing steel (6, 8, 9) and weld point (10) where the connecting lug is welded to the reinforcing steel are enclosed in concrete.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT4142002 | 2002-03-19 | ||
AT0041402A AT411556B (en) | 2002-03-19 | 2002-03-19 | CONNECTING FLAG AND EARTHING SYSTEM |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1347534A2 EP1347534A2 (en) | 2003-09-24 |
EP1347534A3 EP1347534A3 (en) | 2005-07-13 |
EP1347534B1 true EP1347534B1 (en) | 2007-12-19 |
Family
ID=3673829
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03003914A Expired - Lifetime EP1347534B1 (en) | 2002-03-19 | 2003-02-21 | Connection terminal and grounding device |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1347534B1 (en) |
AT (2) | AT411556B (en) |
DE (1) | DE50308826D1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113169462A (en) * | 2018-12-03 | 2021-07-23 | 法尔福控股合资有限公司 | Electrically conductive arrangement, concrete component, method and use |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102694327B (en) * | 2012-06-06 | 2014-04-16 | 黄岩电力公司 | Processing method of 10kV switch cable electroscopic connection wire |
CN105071063B (en) * | 2015-05-15 | 2017-08-18 | 国家电网公司 | A kind of soft graphite is combined earthing material anticorrosion connection method |
CN107959137A (en) * | 2017-12-23 | 2018-04-24 | 河南智金网络技术有限公司 | A kind of curve band steel strengthens the earthing or grounding means of support |
CN110165434B (en) * | 2019-06-17 | 2024-01-23 | 中国电建集团西北勘测设计研究院有限公司 | Heliostat pile foundation grounding device and grounding method for tower type photo-thermal power station |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4129744A (en) * | 1976-08-02 | 1978-12-12 | Rca Corporation | Solder connection between copper and aluminum conductors |
US4361719A (en) * | 1981-03-17 | 1982-11-30 | William Hyde | Earthing systems |
JPH11122766A (en) * | 1997-10-15 | 1999-04-30 | Kansai Tech Corp | Pole |
DE20101299U1 (en) * | 2001-01-25 | 2001-04-05 | Weitkowitz Elektro GmbH, 31224 Peine | Welding strap for an earthing bridge |
DE20101301U1 (en) * | 2001-01-25 | 2001-03-29 | Weitkowitz Elektro GmbH, 31224 Peine | Connection socket for an earthing bridge |
DE20101302U1 (en) * | 2001-01-25 | 2001-03-29 | Weitkowitz Elektro GmbH, 31224 Peine | Connection socket for an earthing bridge |
-
2002
- 2002-03-19 AT AT0041402A patent/AT411556B/en not_active IP Right Cessation
-
2003
- 2003-02-21 AT AT03003914T patent/ATE381797T1/en active
- 2003-02-21 EP EP03003914A patent/EP1347534B1/en not_active Expired - Lifetime
- 2003-02-21 DE DE50308826T patent/DE50308826D1/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113169462A (en) * | 2018-12-03 | 2021-07-23 | 法尔福控股合资有限公司 | Electrically conductive arrangement, concrete component, method and use |
Also Published As
Publication number | Publication date |
---|---|
EP1347534A3 (en) | 2005-07-13 |
DE50308826D1 (en) | 2008-01-31 |
ATE381797T1 (en) | 2008-01-15 |
ATA4142002A (en) | 2003-07-15 |
EP1347534A2 (en) | 2003-09-24 |
AT411556B (en) | 2004-02-25 |
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