EP3605574B1 - Dispositif de séparation à encombrement réduit - Google Patents

Dispositif de séparation à encombrement réduit Download PDF

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Publication number
EP3605574B1
EP3605574B1 EP19188998.9A EP19188998A EP3605574B1 EP 3605574 B1 EP3605574 B1 EP 3605574B1 EP 19188998 A EP19188998 A EP 19188998A EP 3605574 B1 EP3605574 B1 EP 3605574B1
Authority
EP
European Patent Office
Prior art keywords
electric component
indicating means
mechanically displaceable
electrical component
support
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.)
Active
Application number
EP19188998.9A
Other languages
German (de)
English (en)
Other versions
EP3605574A1 (fr
Inventor
Steffen PFÖRTNER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Phoenix Contact GmbH and Co KG
Original Assignee
Phoenix Contact GmbH and Co KG
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 Phoenix Contact GmbH and Co KG filed Critical Phoenix Contact GmbH and Co KG
Priority to SI201930017T priority Critical patent/SI3605574T1/sl
Publication of EP3605574A1 publication Critical patent/EP3605574A1/fr
Application granted granted Critical
Publication of EP3605574B1 publication Critical patent/EP3605574B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/18—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
    • H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
    • H01H37/761—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
    • H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
    • H01H37/761—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit
    • H01H2037/762—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit using a spring for opening the circuit when the fusible element melts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
    • H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
    • H01H37/761—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit
    • H01H2037/762—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit using a spring for opening the circuit when the fusible element melts
    • H01H2037/763—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit using a spring for opening the circuit when the fusible element melts the spring being a blade spring

Definitions

  • the invention relates to a space-optimized separating device.
  • This operation outside the nominal operating range can lead to an increased power conversion in the electrical component, which in turn leads to heating of the electrical component.
  • values can be achieved that are outside the respective specification and can lead to self-damage to the electrical component as well as to neighboring systems.
  • the heat generated in the vicinity of the electrical component can cause damage to components or a shift in characteristic curves, destruction of components or even fire or explosion.
  • the electrical component itself can also be brought into a self-destructive mode as a result of the heating, which can lead to the destruction of the electrical component with a possible further impairment of neighboring systems as explained above.
  • a reduced component insulation strength e.g. in the event of damage to an arrester, this leads to increased power consumption on the damaged electrical component, which in turn leads to inadmissible heating of the electrical component.
  • the inadmissible heating of the electrical component is not prevented, it can lead to damage to surrounding materials, the formation of smoke gases or a fire hazard.
  • overvoltage protection devices it is customary to equip the overvoltage protection components used, in particular varistors, with thermally activated disconnection devices.
  • thermal disconnection devices for damaged overvoltage protection components are described.
  • the solutions described in the scriptures all work on the same basic principle.
  • the component to be monitored is connected in a thermosensitive manner via a contact element.
  • the thermosensitive connection is generally made via a soldered connection.
  • the contact element is mounted preloaded or a force of a second preloaded element, for example a spring, acts on the contact element. If the spring force exceeds the holding force of the thermosensitive contact point, e.g. the soldering point, the contact opens and the monitored component is switched off.
  • Thermal fuses are used in a similar manner in other areas. From the DE 10 2008 057 166 A1 an electrical circuit with temperature protection is known in which a surface-mounted component is displaced by a spring element. From the DE 10 2005 040 308 A1 a thermal fuse is known in which a contact bridge can be moved. From the DE 10 2009 036 578 B3 a thermal fuse is known in which contact bridges are also moved.
  • Figures with numerical values are generally not to be understood as exact values, but also include a tolerance of +/- 1% up to +/- 10%.
  • references to standards or specifications or norms are to be understood as referring to standards or specifications or norms that apply at the time of application and / or - if a priority is claimed - at the time of priority application. However, this is not to be understood as a general exclusion of applicability to the following or replacement standards or specifications or norms.
  • adjacent explicitly includes an immediate neighborhood relationship without, however, being restricted to this.
  • FIG. 1-4 is a first embodiment and in Figures 5-8 a second embodiment of a space-optimized separation device 1 according to the invention is shown.
  • the electrical component B can in particular have an overvoltage protection element.
  • the carrier P can e.g. be a board or have a board material. As a rule, the carrier will be essentially rigid.
  • the purpose of the space-optimized separation device 1 according to the invention is to separate the electrical component B in the event of impermissible heating.
  • the carrier P has at least two guide grooves N1, N2. These guide grooves N1, N2 can e.g. be introduced into the carrier P by means of punching, laser processing, milling, etc.
  • the electrical component B is fastened to the carrier P with a thermally softenable fixation.
  • the thermally softenable fixation can have a solder and / or an adhesive. If the thermally softenable fixation has a solder, the electrical component B can have connections for surface mounting for conductor tracks of the carrier P, for example.
  • the softening point can be influenced by the choice of materials.
  • the electrical component B and with it also the solder can heat up to temperatures above the softening point of the solder but below the softening point of the Glue. In this case, the solder continues to establish the electrical connection, as it remains on the contact due to the surface forces.
  • an energy store D is arranged relative to the electrical component B, which - when the thermally softenable fixation softens - displaces the electrical component B essentially parallel to the carrier P and thereby separates the electrical component B.
  • the energy store D can e.g. a spring (as shown) or a spring clip, a compressed elastomer, etc.
  • the energy store D exerts a continuous force after assembly, which leads to a movement in the event that the fixation softens.
  • displacement by pressure is shown in the figures, the invention is not limited thereto.
  • a pull is exerted, in which case constructive measures for direct / indirect attachment to the electrical component B or the mechanically displaceable display means S should be taken.
  • All embodiments of a space-optimized disconnecting device 1 according to the invention also have in common that they have a mechanically displaceable display means S, the mechanically displaceable display means S indicating that the electrical component B to be monitored has been disconnected, the mechanically displaceable display means S together with the disconnecting electrical component is moved.
  • the mechanically displaceable display means S enclose the electrical component B laterally, ie in a plane parallel to the carrier P, or else, as in FIG Figures 7 and 8 shown, partially border. Ie while in Figures 1 and 2 the energy storage device D is moved indirectly via the mechanically displaceable display means S can be moved in Figures 7 and 8 the energy store D via the electrical component B the mechanically displaceable display means S. Without restricting the generality, it can of course also be provided that the mechanically displaceable display means S covers the electrical component like a hood.
  • the mechanically displaceable display means S can have further properties, such as, for example, extinguishing properties, for example in that it has hard-gasing material. Furthermore, it can also be provided that the design of the mechanical display means S in the triggered state narrows and / or extends a possible arc path. In addition, it can be provided that the mechanical display means S also functions as a heat sink for the electrical component B.
  • the mechanically displaceable display means S is held and guided in the at least two guide grooves N1, N2.
  • the arrangement of the first embodiment differs from the second embodiment in that the holder is achieved in that in the embodiment of FIG Figure 4 an inward wrapping is indicated, while in Figure 6 an outwardly directed encirclement is indicated. It should be noted that a rectified encompassing is also possible.
  • Such encompassions can be provided as molded parts, which are guided through the guide grooves N1, N2 in a resilient manner and / or press during the assembly of the mechanically displaceable display means S, and which expand again after being guided through.
  • the mechanically displaceable display means S can e.g. be snapped on.
  • a separating device 1 can now be installed on the carrier P without the risk of elements slipping.
  • the energy store D can be used. That is, if the electrical component B heats up, the electrical component B is displaced along the surface of the carrier P after the energy store D has been released, for example in the event of a fault.
  • the travel path of the electrical component B can be used to implement a mechanical display at the same time.
  • the invention makes it possible to produce a separating device that is simple, safe and inexpensive, which takes up little space and can also signal separation.
  • the mechanically displaceable display means S prefferably have a device for fixing the mechanically displaceable display means S in an initial position.
  • This fixation is preferably provided by the previously fixed electrical component B. I.e. the manufacturing process can be further simplified and the triggering reliability can be increased.
  • the disconnection device 1 for a disconnected electrical component B to be monitored has a device for fixing in a disconnected state.
  • a hood-like, mechanically displaceable display means S and the carrier P can fix the separated electrical component B.
  • the arrangement described above makes it possible to implement devices with electrical components B and a separating device according to the invention which, due to their design, do not have a supporting housing wall. That includes mechanically displaceable display means S, the separated electrical component B can only be prevented laterally by a housing section parallel to the carrier P, a vagabonding of the electrical component B normal to the carrier P can be prevented.
  • the mechanically displaceable display means S can provide a color change and / or a change in transmission.
  • an opening ANZ can be provided in a housing and / or in the carrier P, in which an opening ANZ is moved with / on the mechanically displaceable display means S when the electrical component B is separated. I.e. it can e.g. a color change from green to red indicates that separation has taken place.
  • an embodiment is shown, for example, in which an opening ANZ in the carrier P is covered by the mechanical display means S ( Fig. 2 ) can be.
  • an embodiment is shown in which an opening ANZ in the carrier P is opened by the mechanical display means S ( Fig. 8 ) can be.
  • the separating device 1 it is also possible for the separating device 1 to have devices for mounting on a support rail.
  • a separating device 1 according to the invention can also be built into switch cabinets by means of suitable housings with the corresponding devices.
  • straight guide grooves N1, N2 are shown in the figures, the invention is not limited thereto. Rather, there are no limits to the person skilled in the art. However, essentially straight guide grooves N1, N2 allow particularly simple movement.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Fuses (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Claims (10)

  1. Dispositif de séparation à espace de montage optimisé (1), présentant
    • un support (P) comportant un élément de construction électrique (B), l'élément de construction électrique (B) devant être séparé en cas de réchauffement inadmissible,
    • dans lequel est disposé, par rapport à l'élément de construction électrique, un accumulateur de puissance (D) qui - lorsque la fixation pouvant être ramollie thermiquement est suspendue - décale l'élément de construction électrique sensiblement parallèlement au support (P) et sépare alors l'élément de construction électrique (B),
    • caractérisé en ce que
    • le support (P) présente au moins deux rainures de guidage (N1, N2),
    • le dispositif de séparation à espace de montage optimisé (1) présente en outre un moyen d'affichage décalable mécaniquement (S), le moyen d'affichage décalable mécaniquement affichant que l'élément de construction électrique à surveiller (B) a été séparé, le moyen d'affichage décalable mécaniquement (S) étant décalé avec l'élément de construction électrique séparée,
    • l'élément d'affichage décalable mécaniquement (S) étant maintenu et guidé dans les au moins deux rainures de guidage (N1, N2).
  2. Dispositif selon la revendication 1, caractérisé en ce que l'élément d'affichage décalable mécaniquement (S) présente un dispositif de fixation du moyen d'affichage décalable mécaniquement (S) dans une position initiale.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que le dispositif de séparation présente, pour un élément de construction électrique séparé à surveiller, un dispositif de fixation dans un état séparé.
  4. Dispositif selon des revendications précédentes, caractérisé en ce que l'accumulateur de puissance (D) présente un ressort.
  5. Dispositif selon des revendications précédentes, caractérisé en ce que le moyen d'affichage décalable mécaniquement (S) met à disposition un changement de couleur et/ou une modification de transmission.
  6. Dispositif selon la revendication 5, caractérisé en ce que le moyen d'affichage mécanique (S) recouvre ou ouvre un orifice (ANZ) pratiqué dans le support (P) en cas de décalage.
  7. Dispositif selon des revendications précédentes, caractérisé en ce que le dispositif de séparation à espace de montage optimisé présente des dispositifs destinés à un montage sur un rail porteur.
  8. Dispositif selon des revendications précédentes, caractérisé en ce que l'élément de construction électrique est sélectionné dans un groupe présentant des semiconducteurs, transistors, résistances, varistances, diodes TVS ou dérivateurs de surtension.
  9. Dispositif selon des revendications précédentes, caractérisé en ce que la fixation pouvant être ramollie thermiquement présente une soudure et/ou une colle.
  10. Dispositif selon des revendications précédentes, caractérisé en ce que le support (P) présente un matériau à base de platine.
EP19188998.9A 2018-07-30 2019-07-30 Dispositif de séparation à encombrement réduit Active EP3605574B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI201930017T SI3605574T1 (sl) 2018-07-30 2019-07-30 Ločevalna naprava z optimiziranim instalacijskim območjem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018212690.9A DE102018212690A1 (de) 2018-07-30 2018-07-30 Bauraumoptimierte Abtrennvorrichtung

Publications (2)

Publication Number Publication Date
EP3605574A1 EP3605574A1 (fr) 2020-02-05
EP3605574B1 true EP3605574B1 (fr) 2020-11-25

Family

ID=67438287

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19188998.9A Active EP3605574B1 (fr) 2018-07-30 2019-07-30 Dispositif de séparation à encombrement réduit

Country Status (4)

Country Link
EP (1) EP3605574B1 (fr)
CN (1) CN210156315U (fr)
DE (1) DE102018212690A1 (fr)
SI (1) SI3605574T1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102023125692B3 (de) 2023-09-21 2024-12-05 Günther Spelsberg GmbH & Co. Kommanditgesellschaft Elektrische Verbindungsvorrichtung mit Sicherungselement

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9010246U1 (de) * 1990-07-06 1990-10-31 CITEL 2CP S.A., Nederweert Überspannungsschutzvorrichtung
DE4241311C2 (de) * 1992-12-08 1995-06-08 Phoenix Contact Gmbh & Co Temperaturschalter mit einem Bausteingehäuse
JP3017950B2 (ja) * 1996-09-09 2000-03-13 東洋システム株式会社 電流・温度複合ヒューズ
US6430019B1 (en) * 1998-06-08 2002-08-06 Ferraz S.A. Circuit protection device
FR2783365B1 (fr) * 1998-09-15 2000-12-01 Soule Materiel Electr Dispositif de protection d'installations electriques contre les perturbations de l'alimentation
DE102005040308B4 (de) * 2005-08-24 2009-05-07 Magna Electronics Europe Gmbh & Co.Kg Thermosicherung, insbesondere für ein Leistungsmodul eines Kraftfahrzeugs, sowie Leistungsmodul mit einer derartigen Thermosicherung
DE102006042028B3 (de) * 2006-07-19 2007-09-27 Dehn + Söhne Gmbh + Co. Kg Abtrennvorrichtung für insbesondere steckbare Überspannungsableiter
DE102008057166B4 (de) * 2008-11-13 2020-03-12 Behr-Hella Thermocontrol Gmbh Elektrische Schaltung mit Übertemperaturschutz
CN101834434B (zh) * 2009-07-27 2012-05-23 佛山市浦斯电子有限公司 一种具有热保护装置的电涌保护器
DE102009036578B8 (de) * 2009-08-07 2011-01-05 Magna Electronics Europe Gmbh & Co.Kg Thermosicherung, insbesondere für ein Leistungsmodul eines Kraftfahrzeugs, sowie Leistungsmodul mit einer derartigen Thermosicherung
US9455106B2 (en) * 2011-02-02 2016-09-27 Littelfuse, Inc. Three-function reflowable circuit protection device
DE102014008366B3 (de) * 2014-06-04 2015-10-22 Dehn + Söhne Gmbh + Co. Kg Vorrichtung zum thermischen Auslösen oder Abtrennen eines Überspannungsschutzgerätes
DE102015213050A1 (de) * 2015-07-13 2017-01-19 Phoenix Contact Gmbh & Co. Kg Varistor mit einer Abtrennvorrichtung
DE202016102862U1 (de) * 2016-05-31 2017-09-03 Phoenix Contact Gmbh & Co. Kg Bauraumoptimierte Abtrennvorrichtung

Non-Patent Citations (1)

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Title
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Also Published As

Publication number Publication date
EP3605574A1 (fr) 2020-02-05
DE102018212690A1 (de) 2020-01-30
SI3605574T1 (sl) 2021-07-30
CN210156315U (zh) 2020-03-17

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