EP2550712A1 - Overvoltage protection device - Google Patents
Overvoltage protection deviceInfo
- Publication number
- EP2550712A1 EP2550712A1 EP11718652A EP11718652A EP2550712A1 EP 2550712 A1 EP2550712 A1 EP 2550712A1 EP 11718652 A EP11718652 A EP 11718652A EP 11718652 A EP11718652 A EP 11718652A EP 2550712 A1 EP2550712 A1 EP 2550712A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- overvoltage protection
- device part
- contact elements
- elements
- intermediate device
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T4/00—Overvoltage arresters using spark gaps
- H01T4/06—Mounting arrangements for a plurality of overvoltage arresters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/24—Terminal blocks
- H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
- H01R9/2625—Clip-on terminal blocks for side-by-side rail- or strip-mounting with built-in electrical component
- H01R9/2641—Clip-on terminal blocks for side-by-side rail- or strip-mounting with built-in electrical component with built-in overvoltage protection
Definitions
- the invention relates to an overvoltage protection device for the protection of low-voltage electrical installations, with a lower device part and at least one upper device, the lower device part input and output terminals for electrical conductors and connected to the input and output terminals, in particular designed as sockets, contact elements, and wherein the upper device part has at least one protective element.
- Overvoltages are all voltages that are above the upper tolerance limit of the rated voltage. These include above all transient overvoltages that occur due to atmospheric discharges, but also by switching operations or short circuits in power supply networks and galvanically, inductively or capacitively coupled into electrical circuits.
- overvoltage protection elements have been developed and have been known for many years to intercept or limit the overvoltage peaks.
- the necessary measures for the protection of the power supply of plants and devices are divided into different stages depending on the arrester selection and the expected environmental influences.
- the surge protection devices for the individual stages differ in terms of the level of the discharge capacity and the protection level.
- the first protection level (type 1) is usually formed by a lightning arrester, which is installed as the most powerful protection device in the central power supply of a building.
- An essential component of such a lightning arrester is a spark gap with at least two electrodes, wherein an arc arises when the spark gap between the two electrodes is ignited.
- the second protection stage (type 2) usually forms a varistor-based surge arrester. This protection level again limits the remaining voltage across the lightning arrester. Depending on the danger potential of the system to be protected or the building to be protected, it may be sufficient in individual cases when starting with the second level of protection.
- the third protection level (type 3) is called device protection and is usually installed immediately in front of the device to be protected.
- the device protection achieves a residual voltage that is safe for the connected device.
- overvoltage protection devices are available in various designs, in particular as a control cabinet module.
- the overvoltage protection devices often have overvoltage protection elements with combined protection circuits due to the higher sensitivity to overvoltages, with an overvoltage limiting device serving the fine protection and a surge limiting device the fine protection.
- the components which may in particular be gas-filled surge arresters, spark gaps, varistors or suppressor diodes, are often connected indirectly in parallel, wherein longitudinal elements are arranged as decoupling resistors between the overvoltage protection elements. H. must be adapted to the overvoltage protection elements used.
- the present invention is particularly applied to overvoltage protection devices that serve the device protection and are designed as a control cabinet module.
- the invention is not limited to this and can basically also be implemented in type 1 or type 2 overvoltage protection devices.
- control cabinet modules are often formed in two parts, wherein they consist of a permanently installed base element as a device base and at least one interchangeable protective plug as a device upper part.
- the base element serves for fastening the overvoltage protection device on a mounting rail and for connecting the individual electrical conductors, for which the base element has corresponding input and output terminals, which can be embodied in any connection technology, for example screw terminals, spring-cage terminals, direct plug-in terminals or fast connection terminals.
- such an overvoltage protection device can be designed as a two-wire, three-wire or four-wire protection.
- the protective plug has the actual overvoltage protection circuit with the or the overvoltage protection elements adapted to the respective application.
- two or more protective plug in the longitudinal direction of the mounting rail next to each other on a - correspondingly wide - base element can be plugged.
- the known surge protection device still has a changeover contact as a signal transmitter for remote notification of the state of at least one protection element, whereby a comfortable remote monitoring is possible.
- overvoltage protection device from which the invention proceeds, is basically already described in DE 33 46 753 C2.
- overvoltage protection devices have been marketed for many years by the applicant under the product name "PLUGTRAB PT" (see Phoenix Contact Prospectus “TRABTECH Overvoltage Protection 2007, pages 60 and 61.)
- An essential feature of these overvoltage protection devices consists in the possibility of the individual protective plug Thus, sensitive signal circuits, such as, for example, temperature measurements or bus systems, are not influenced when the protective plug is replaced. assigns. Since the base element remains installed even when replacing the protective plug in the through-wiring, thus an interruption-free and impedance neutral pulling and plugging the protective plug for testing and replacement purposes is possible.
- surge protective devices have proven very successful in practice, they have the disadvantage that not only a large number of protective plugs adapted to the respective application needs to be made available, but also a large number of different basic elements have aligned on the arranged in the protective plug protection circuit longitudinal elements.
- the number of to be provided by the manufacturer of the surge protective devices base parts is reduced in the prior art in that the longitudinal elements are integrated in the pluggable device shell, which then has the consequence that when plugging and unplugging the protective plug, the impedance of the current or Signal circuit is changed.
- the present invention is therefore an object of the invention to provide a surge protector described above, in which the largest possible variety of types with the least possible number of different components can be achieved, with an impedance neutral plugging and pulling the protection plug should be guaranteed.
- an intermediate device part is provided, on the one hand on the device base is plugged and on the other hand, the device upper part is plugged, wherein the intermediate device part corresponding to the contact elements of the device base, in particular designed as a plug pins mating contact elements and Having associated with the Gegentitleelemen-, in particular designed as sockets contact elements.
- the intermediate device part moreover, at least one longitudinal element connected between two mating contact elements is arranged, which may in particular be a resistor and / or an inductance. So that the upper part of the device can be plugged onto the intermediate part of the device, the upper part of the device faces the contact elements of the device schenteils corresponding mating contact elements, which are preferably also designed as plug pins.
- the overvoltage protection device according to the invention is thus not only in two parts, but three-part design, namely in addition to the device base and the top of the device additionally an intermediate device part, wherein in the intermediate device part, the longitudinal elements are arranged so that the pulling and plugging of the overvoltage protection elements having device upper part continues uninterrupted and impedance neutral can be done.
- the surge protection device "PLUGTRAP PT” not only the surge protection device according to the invention is in two parts, but also divided the device lower part again, namely in a permanently installed base element, which for connecting the individual electrical conductors and moreover preferably also for fixing the Overvoltage protection device is used on a mounting rail, and an attachable to the base part device intermediate part, in which the longitudinal elements are arranged.
- the overvoltage protection device according to the invention is preferably used in measurement, control and regulation technology for the protection of the devices and signal and electrical circuits used there.
- the overvoltage protection device according to the invention advantageously comprises a combined protection circuit, which consists of at least two overvoltage protection elements, at least one overvoltage protection element serves as a fine protection element and at least one overvoltage protection element as coarse protection element.
- the fine protection element is formed, for example, by a suppressor diode or a varistor and the coarse protection element by a gas-filled surge arrester or a spark gap.
- the overvoltage protection device has the advantage that a device lower part - assuming corresponding dimensions to one another - can be used together with different device tops. Due to the fact that the longitudinal elements, which are arranged in terms of circuitry between the various overvoltage protection elements in the upper part of the device, are located in the intermediate part of the device, both an adaptation Solution of the longitudinal elements to the particular overvoltage protection elements used as well as an impedance neutral plugging and pulling a device upper part possible.
- H how the protection circuit is formed in the device upper part.
- the installation of the lower part of the device can thus be carried out in an application-oriented manner, since the lower part of the device has no longitudinal elements matched to the protective circuit in the upper part of the device. Only by attaching the intermediate device part with the longitudinal elements arranged therein is a configuration of the device lower part with respect to the longitudinal elements.
- the mutually corresponding input and output terminals in the lower part of the unit are electrically conductively connected to one another via a separable element, which is separated onto the lower part of the device when the intermediate device part is plugged on. If the intermediate device part has not yet been plugged onto the lower part of the device, then the mutually corresponding input and output terminals are thus connected to one another in an electrically conducting manner, that is to say in the case of the intermediate device. H. the lower part of the device has a longitudinal impedance whose resistance is very low, approximately 0 ohms. If, however, the intermediate device part is plugged onto the lower part of the device, this direct connection is separated and the input and output terminals are then connected to one another via the longitudinal elements arranged in the intermediate device part.
- the separable elements can be realized by openers or isolating contacts, which are arranged between the mutually corresponding input and output terminals in the device base.
- the NC and the isolating contacts are arranged in the device lower part so that they are actuated when attaching the intermediate device part, i. an opener or a disconnect contact is opened or disconnected by an operating section formed on the intermediate device part.
- the device upper part on its underside a recess and the intermediate device part at its top have a corresponding coding pin. If intermediate device parts with different longitudinal elements have coding pins at different positions or with different dimensions, this can ensure in a simple manner that only one matching device upper part with a corresponding recess can be plugged onto the intermediate device part.
- a latching is provided between the lower device part and the intermediate device part, which is preferably designed such that the intermediate device part is locked captive in the lower device part after plugging onto the lower device part. This ensures that when removing an upper part of the device, the intermediate device part is not - also unintentionally - deducted from the lower part of the device. Thus, even when replacing a device upper part, the intermediate device part remains securely installed together with the lower device part in the through-wiring, an interruption-free and impedance neutral pulling and plugging the protective plug is guaranteed for testing and replacement purposes.
- the device upper part can also have a display in the overvoltage protection device according to the invention, which signals the operating state of the protective element, so that it can be read directly on site.
- the overvoltage protection device may also have an additional telecommunications contact, so that - alternatively or additionally - a remote monitoring is possible.
- the lower part of the device and / or the upper part of the device can have a display which signals the correct installation state of the upper part of the device on the intermediate device part or of the intermediate part of the device in the lower part of the device.
- the grounding terminal can either be connected directly to the mounting base via a metallic mounting foot arranged in the device base or indirectly, for example via a gas distributor.
- Tagfuß preferably immediately when placing the device base on a mounting rail, the electrical connection with the ground potential leading mounting rail manufactures.
- FIG. 3 shows a first variant of the overvoltage protection device, in the unmated state, with a schematic representation of a circuit arrangement of the overvoltage protection elements
- FIG. 4 shows a second variant of the overvoltage protection device, in the unmated state, with a schematic representation of a circuit arrangement of the overvoltage protection elements.
- FIG. 1 shows an illustration of an overvoltage protection device 1, which is designed as a control cabinet module and has a lower device part 2 and an upper device part 3.
- the lower device part 3 has at its two end sides of input terminals 4 and output terminals 5, which are arranged offset in two rows one above the other.
- the input and output terminals 4, 5 may be formed in particular as screw terminals or as tension spring terminals.
- the input terminals 4 are connected to contact elements 6 and the output terminals 5 are connected to contact elements 7, the contact elements 6, 7 being designed as plug sockets in the exemplary embodiment shown.
- the device upper part 3 which has the overvoltage protection elements 8, 9, is not directly attached to the device lower part 3, but rather an intermediate device part 10 onto which the device upper part 3 is plugged.
- the intermediate device part 10 on its underside to the contact elements 6, 7 of the device part 2 corresponding Jacobkeyele- elements 1 1, 12 and - for attaching the upper device part 3 - with the mating contact elements 1 1, 12 connected contact elements 13, 14.
- the counter-contact elements 1 1, 12 are in this case designed as plug pins and formed on the upper side of the intermediate device part 10 contact elements 13, 14 as sockets.
- two longitudinal elements 15 are arranged in the illustrated embodiments, which may be, for example, decoupling resistors.
- the longitudinal elements 15 are each arranged between two mating contact elements 1 1, 12, so that when the intermediate device part 10 is attached to the lower device part 2, the input terminals 4 are each connected via a longitudinal element 15 to the output terminals 5.
- the upper device part 3 on its underside to the contact elements 13, 14 corresponding mating contact elements 16, 17, which in turn are formed in the present case as plug pins. If the device upper part 3 is plugged onto the intermediate device part 10, a decoupling of the two overvoltage protection elements 8, 9 arranged in the device upper part 3 takes place via the longitudinal elements 15 connected therebetween.
- a suppressor diode 8 as a fine-protection element 8 and a gas-filled surge arrester as a coarse protection element 9 are arranged in the device upper part 3.
- a recess 18 is formed on the underside of the upper part of the device 3 and on the upper side of the upper part 3, a recess 18 is formed and arranged at the top of the intermediate device part 10, a corresponding coding pin 19.
- a locking including in the lower device part 2, two recesses 20 and on the front sides of the intermediate device part 10 corresponding thereto in each case a latching projection 21 are formed.
- the locking bevel of the locking projection 21 is designed so that the device adapter 10 Although relatively simple, especially without tools, can be attached to the device base 2, a removal of the intermediate device part 10 of the device base 2, however, not readily, possible is.
- the input terminals 4 are not connected to the corresponding output terminals 5 when the intermediate device part 10 is not attached.
- the input terminals 4 are electrically conductively connected to the corresponding output terminals 5 via a normally closed contact 22 (FIG. 3) or a disconnecting contact 23 (FIG. 4).
- the lower device part 2 then has a longitudinal impedance whose resistance is approximately 0 ohms. If the intermediate device part 10 is now plugged onto the lower device part 2 in the exemplary embodiment according to FIG.
- the lower device part 2 has a mounting foot 26 for fastening the overvoltage protection device 1 to a mounting rail 27.
- a mounting foot 26 for fastening the overvoltage protection device 1 to a mounting rail 27.
- one of the contact elements 6 of the device base 2 is electrically connected to the support rail 27 when the lower device part 2 is snapped onto the support rail 27.
- the lower device part 2 is approximately U-shaped, whereby a receiving space 28 for the intermediate device part 10 and the plugged thereon, the same base surface having device upper part 3 is formed.
- the device lower part 2 is usually snapped onto the mounting rail 27 in the rule. Thereafter, either the device intermediate part 10 is first snapped onto the lower device part 2 and then the device upper part 3 are plugged onto the intermediate device part 10 or it is first attached the device upper part 3 on the intermediate device part 10 and then plugged together these two components in the receptacle 28 in the device base 2 and locked with the lower part of the device 2.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010012684A DE102010012684A1 (en) | 2010-03-24 | 2010-03-24 | Surge protection device |
PCT/EP2011/001471 WO2011116960A1 (en) | 2010-03-24 | 2011-03-24 | Overvoltage protection device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2550712A1 true EP2550712A1 (en) | 2013-01-30 |
EP2550712B1 EP2550712B1 (en) | 2015-09-09 |
Family
ID=44146294
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11718652.8A Active EP2550712B1 (en) | 2010-03-24 | 2011-03-24 | Overvoltage protection device |
Country Status (6)
Country | Link |
---|---|
US (1) | US8908346B2 (en) |
EP (1) | EP2550712B1 (en) |
CN (1) | CN102812603B (en) |
DE (1) | DE102010012684A1 (en) |
ES (1) | ES2552165T3 (en) |
WO (1) | WO2011116960A1 (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012024352B4 (en) * | 2012-12-13 | 2018-04-12 | Phoenix Contact Gmbh & Co. Kg | Surge protection device |
DE102014007352A1 (en) * | 2014-03-13 | 2015-09-17 | Dehn + Söhne Gmbh + Co. Kg | Overvoltage protection device with at least one overvoltage protection device |
DE102014103575A1 (en) * | 2014-03-17 | 2015-09-17 | Obo Bettermann Gmbh & Co. Kg | Device for protection against overvoltages |
DE202014101581U1 (en) * | 2014-04-03 | 2015-07-06 | Weidmüller Interface GmbH & Co. KG | plug arrangement |
DE102014212628B4 (en) * | 2014-06-30 | 2016-04-14 | Phoenix Contact Gmbh & Co. Kg | Collective communication device |
DE102014213728A1 (en) * | 2014-07-15 | 2016-01-21 | Phoenix Contact Gmbh & Co. Kg | Modular terminal block system |
DE102014217446B4 (en) * | 2014-09-01 | 2016-07-07 | Thales Deutschland Gmbh | Overvoltage protection device and use thereof in signaling equipment in railway operation. |
CZ2014611A3 (en) * | 2014-09-08 | 2016-03-16 | Saltek S.R.O. | Overvoltage protection in modular design |
DE102015214969A1 (en) * | 2015-08-05 | 2017-02-09 | Phoenix Contact Gmbh & Co. Kg | Surge protection devices Ensemble |
DE102016109427B3 (en) * | 2016-05-23 | 2017-10-19 | Wago Verwaltungsgesellschaft Mbh | Set of connectors and mating connectors and intermediate connector and method for producing an electrically conductive connector |
CN107390007A (en) * | 2017-07-01 | 2017-11-24 | 合肥东玖电气有限公司 | One kind can hold greatly overvoltage protection device |
DE102018201333A1 (en) * | 2018-01-29 | 2019-08-01 | Phoenix Contact Gmbh & Co. Kg | Surge Protection Ensemble |
DE102018208725A1 (en) | 2018-06-04 | 2019-12-05 | Phoenix Contact Gmbh & Co. Kg | Surge protection devices ensemble |
DE102019207131B4 (en) * | 2019-05-16 | 2020-12-10 | Phoenix Contact Gmbh & Co. Kg | module |
DE102019122824A1 (en) * | 2019-08-26 | 2021-03-04 | Phoenix Contact Gmbh & Co. | Base element for an at least two-part overvoltage protection device and corresponding overvoltage protection device |
DE102020202428A1 (en) * | 2020-02-26 | 2021-08-26 | Dehn Se + Co Kg | Surge protection device |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4117264A (en) * | 1977-08-02 | 1978-09-26 | Coil Sales & Manufacturing Company | Diode package for use with a central office connector module |
DE3346753A1 (en) | 1983-12-23 | 1985-07-04 | Phoenix Elekt | Overvoltage protection apparatus |
US5548641A (en) * | 1990-05-15 | 1996-08-20 | Siecor Puerto Rico, Inc. | Protected telephone network termination module |
US7116779B1 (en) * | 1997-12-18 | 2006-10-03 | Tii Industries, Inc. | Network interface device for high speed data lines |
DE19803636A1 (en) * | 1998-02-02 | 1999-08-05 | Phoenix Contact Gmbh & Co | Surge protection system |
DE10001667C1 (en) * | 2000-01-03 | 2001-10-25 | Dehn & Soehne | Multi-pole overvoltage diverter for LV current supply system has U-shaped base part fitted with interchangable pre-configured terminals cooperating with removable fuse elements |
US6940021B2 (en) * | 2002-09-30 | 2005-09-06 | Rockwell Automation Technologies, Inc. | Zero space component adapter for rail mounted terminal block relays |
DE10304492B4 (en) * | 2003-02-05 | 2005-02-24 | Phoenix Contact Gmbh & Co. Kg | Arrangement for components of an overvoltage protection system |
DE202004006227U1 (en) | 2004-04-16 | 2004-09-16 | Phoenix Contact Gmbh & Co. Kg | Surge protection device |
DE102006033274A1 (en) | 2005-02-09 | 2008-01-31 | Dehn + Söhne Gmbh + Co. Kg | Plug-in device combination for protection against overvoltages |
DE602005008737D1 (en) * | 2005-08-05 | 2008-09-18 | 3M Innovative Properties Co | Overvoltage protection module and assembly of at least one telecommunication module and at least one overvoltage protection module |
DE102006034164B4 (en) * | 2006-05-09 | 2008-07-31 | Dehn + Söhne Gmbh + Co. Kg | Multipole lightning current and / or surge arrester in terminal block design |
DE102006030570B4 (en) * | 2006-07-03 | 2009-09-17 | Dehn + Söhne Gmbh + Co. Kg | Base part for the electrical and mechanical absorption of at least one plug-in in the base part surge arrester |
DE102006044344A1 (en) * | 2006-09-18 | 2008-03-27 | Phoenix Contact Gmbh & Co. Kg | Surge protection device |
DE102008031200B4 (en) * | 2008-07-03 | 2015-01-08 | Phoenix Contact Gmbh & Co. Kg | Surge protection device |
-
2010
- 2010-03-24 DE DE102010012684A patent/DE102010012684A1/en not_active Withdrawn
-
2011
- 2011-03-24 CN CN201180015541.6A patent/CN102812603B/en active Active
- 2011-03-24 ES ES11718652.8T patent/ES2552165T3/en active Active
- 2011-03-24 WO PCT/EP2011/001471 patent/WO2011116960A1/en active Application Filing
- 2011-03-24 EP EP11718652.8A patent/EP2550712B1/en active Active
- 2011-03-24 US US13/636,751 patent/US8908346B2/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2011116960A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102010012684A1 (en) | 2011-09-29 |
CN102812603A (en) | 2012-12-05 |
US8908346B2 (en) | 2014-12-09 |
US20130010395A1 (en) | 2013-01-10 |
CN102812603B (en) | 2015-08-19 |
ES2552165T3 (en) | 2015-11-26 |
WO2011116960A1 (en) | 2011-09-29 |
EP2550712B1 (en) | 2015-09-09 |
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