EP2011128A1 - Procédé pour dimensionner un dispositif de séparation pour paratonnerre - Google Patents

Procédé pour dimensionner un dispositif de séparation pour paratonnerre

Info

Publication number
EP2011128A1
EP2011128A1 EP07727670A EP07727670A EP2011128A1 EP 2011128 A1 EP2011128 A1 EP 2011128A1 EP 07727670 A EP07727670 A EP 07727670A EP 07727670 A EP07727670 A EP 07727670A EP 2011128 A1 EP2011128 A1 EP 2011128A1
Authority
EP
European Patent Office
Prior art keywords
force
switching
tongue
movement
biasing force
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
Application number
EP07727670A
Other languages
German (de)
English (en)
Other versions
EP2011128B1 (fr
Inventor
Peter Zahlmann
Edmund ZÄUNER
Stefanie Schreiter
Raimund König
Florian Gaeck
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.)
Dehn SE and Co KG
Original Assignee
Dehn and Soehne 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 Dehn and Soehne GmbH and Co KG filed Critical Dehn and Soehne GmbH and Co KG
Priority to SI200731785A priority Critical patent/SI2011128T1/sl
Publication of EP2011128A1 publication Critical patent/EP2011128A1/fr
Application granted granted Critical
Publication of EP2011128B1 publication Critical patent/EP2011128B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
    • H01C7/12—Overvoltage protection resistors; Arresters
    • H01C7/126—Means for protecting against excessive pressure or for disconnecting in case of failure
    • 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 disconnecting device for surge arrester, the separation point is designed as a thermally influenced solder joint.
  • the heat source Under the influence of heating, the heat source preferably forms a monitored overvoltage protection component, the solder is liquefied and due to thereby triggered switching movement of a specially designed part of the separation device from disconnected, an electrical connection.
  • the part of the disconnecting device which performs the switching movement is e.g. to DE 295 19 313 Ul biased by means of a spring-biased in the switching direction. The switching movement reaches its absolute end point as soon as the preload force of this spring is used up.
  • Both the switching path and the switching speed are parameters that determine the performance (switching capacity) of the separating device. Since with increasing switching path, a purely mechanical biasing force decreases rapidly, it is very difficult to ensure on the one hand over the entire switching path sufficient switching speed and on the other hand to limit the biasing force on the Lotstelle to a value that excludes with sufficient certainty a purely mechanically induced false triggering. In practice, therefore, a compromise is required, which allows a sufficient biasing force depending on the execution of the Lotstelle, the Lotmenge and finally also the composition of the solder. This requires a stable manufacturing process, which must be redefined especially with regard to the introduction of lead-free solders and usually makes a further reduction of the preload force required.
  • Overvoltage arrester with extended range of functions is based on the following specifications:
  • a biasing force Fl which acts in the normal state of the monitored element on the Lotstelle ideally should be equal to zero or at least very low, so that in this state, the solder mechaDnisch permanently not or only slightly charged;
  • a further biasing force F2 should in contrast accelerate the initiated Auslötvorgang to break the solder joint to the monitored element as quickly as possible by supporting with increasing or from a certain Lottemperatur the bias voltage supportive Fl;
  • a shifting force F3 is intended to support the forces Fl / F2, possibly decaying during the shifting process, by ideally increasing with increasing shifting as the resultant force Fl / F2 decreases.
  • the forces Fl / F2 and F3 can be generated as independently organized individual forces from one or several identical or different energy stores.
  • the total biasing force acting on the Lotstelle at least composed of two partial forces, whose force effects (effective directions) reinforce complementary in the direction of switching movement as needed.
  • first biasing force Fl which acts permanently on the Lotstelle
  • other forces on demand for example by At normal soldering temperature are almost ineffective and only with increasing soldering temperature or during the separation or switching process bring their force effect.
  • This force influence or distribution, developed according to demand, can be used as a function of state or temperature continuously or abruptly from a specific state of the switch position and / or a specific temperature.
  • the invention is based on an increased force acting on the separating element during the entire separation process, ie during the Auslöt- and the subsequent switching phase, which is influenced or supported by additional thermal and / or mechanical effects. This is the case, for example, when a switching tongue used as a separating element itself assists the thermal force action, or this force is even formed out of itself, for example by being made of a material having the mechanical / thermal properties required for this purpose.
  • the switching tongue is formed from a molded part, at the first aus secureddem end a contact clip for external contacting with a male part and at the second expiring end of a specially trained or formable Lotspitze is formed.
  • This Lotspitze is connected via a defined Lotstelle with the active, serving in case of failure as a heat source part of the arrester and thus forms an electrical / thermal connection, which is soldered using the described biasing force Fl at the corresponding temperature influence, executes a switching movement.
  • a second biasing force F2 needs to engage demand-oriented in the separation process. On the one hand, this can be effected thermally, e.g.
  • the post-annealing separation process can be assisted by the biasing force F2 by acting so that the separation process undergoes additional "acceleration", e.g., by "heating up” the solder pad.
  • the switching path is increased by a further opening of the separation path by deformation of the switching tongue. As a result, the electrical separation is improved, which is particularly advantageous at higher system voltages.
  • the predominantly thermally induced biasing force with F2 acting together with the first biasing force Fl and the biasing force acting predominantly mechanically together with Fl after the brazing operation is referred to as the shifting force F3.
  • the switching tongue consists of a metallic, electrically conductive material which is deformable under the influence of heat.
  • Such metals according to the prior art, have two different stable states of formation which are temperature-dependent.
  • the second stable state which occurs under the influence of heat, however, corresponds to the open state of the disconnecting device, so that with increasing heating, the bias voltage increases (steadily or erratic) and thus increases the mechanical bias to the soldering point.
  • a demand-based bias is generated, which ultimately also leads to high switching speeds, even with large switching paths.
  • bi-metals e.g. so-called bi-metals or memory metals suitable.
  • the memory metals are made of a metal alloy (e.g., nickel / titanium).
  • the memory metals have a certain temperature point at which they move abruptly in the manner of a switching movement from one state to the other and there remain when the temperature that led to the tripping has fallen off again.
  • a switching tongue which in addition to the mentioned thermal effect of a biasing force F2 also generates the first, mechanically induced biasing force Fl, by all or part consists of a combination of one of the mentioned thermal materials with a resilient material.
  • both a specific area and the entire switching tongue in sandwich construction can be equipped with the thermally reacting metal.
  • a mechanical tension or compression spring for generating the biasing force Fl is possibly replaced by the resilient effect of the reed tongue material.
  • the biasing force Fl decreases steadily during the switching movement with increasing switching path.
  • This effect can be compensated only partially by the biasing force F2, since this partial force unfolds only in the Ausloötphase and after the heat supply is interrupted by the separation process, this force decreases more or less steadily.
  • a further force F3 is provided, which unfolds during the switching operation and thus at least partially compensates for the decreasing effect of Fl or F2 ,
  • this additional force takes place exclusively during the switching process and unfolds in the same direction relative to the biasing forces F1 / F2, but inversely offset in time. It is derived from the movement of the switching tongue by the force ratio is influenced by changing force and or leverage effects by a constant displacement of a power transmission point along the switching tongue so that the resulting force F3 increases steadily with increasing switching path.
  • the invention provides a severing device for surge arresters with extended functional scope, which consists in that a first biasing force Fl is supported according to the prior art by at least one second biasing force F2 or switching force F3 according to the invention in order to improve the triggering and switching characteristic to the one hand reduces the force on the Lotstelle at normal ambient temperature and on the other hand, the Abtrennweg or the separation speed increased in the prior art.
  • the separating means of the separating device according to the invention are preferably together with the over-voltage protection element to be monitored in the attachable upper part of a two-part housing, but are in principle also a one-piece arrangement can be realized.
  • the upper part has means for contacting with a lower part and a display window on which the switching state of the separating device is optically displayed.
  • the lower part contacted via corresponding mating contacts the upper part and also has connection means for the outer terminals.
  • the active element is a Matternapssbesky or an overvoltage switching component, which is monitored by the separation device to exceed a certain heating temperature. Exceeding given temperature values is considered to be the defective state of the active device (e.g., spark gap and / or varistor), requiring its disconnection from the power supply via the disconnect device.
  • Exceeding given temperature values is considered to be the defective state of the active device (e.g., spark gap and / or varistor), requiring its disconnection from the power supply via the disconnect device.
  • Figure Ia shows the upper part of a basic embodiment of a plug-in Matternapssabieiters on which the invention essentially builds.
  • the upper part of the plug-in insert (1) with integrally formed outer plug contacts for contacting with the lower part, where the line feed of the outer terminals.
  • both contact pieces (4, 6) consist of a single piece as a stamped, drawn or stamped part of a preferably thermally deformable and / or resilient and yet highly conductive material, at whose end or expression respectively contact springs (4b , 6b) or contact bracket (6a) for contacting the lower part or the arrester element (5) are integrally formed.
  • a first of the two contact pieces (4) is in its execution or
  • AusD staltung as switching tongue (4c) of a separation device formed with extended EigenD shanks with an embodiment of the switching tongue (4c) as a rail once without expression and in another embodiment with a center arranged expression is formed. It is essential that both versions of the contact pieces (4) consist of a single part.
  • the solder pad (4d) At its end is the solder pad (4d), the solder joint (4f) melts at a concomitant with a heating overload AbleiterDiatas (5) on the contact (5a) by heat transfer and with a switching movement of the switching tongue (4c) causes the intended shutdown ,
  • the switching movement of the switching tongue (4c) results from a spring tension indirectly via a Abtrennbock (2) a bias on the switching tongue (4c) and thus on the solder pad (4d) exerts.
  • This preload corresponds to the preload force Fl.
  • the separated switching tongue (4c) performs a correspondingly fast switching movement over a large opening path and thus ensures a safe separation between the arrester element (5) and the cable formed by the switching tongue (4c) ago.
  • the rotary movement performed by the separating block (2) is displayed in its end position (Ib) in a viewing window (Ia), so that the switching position of the separating block (2) can be recognized as a triggering state on the basis of its scarf surface (2d).
  • the spring preload Fl for the switching tongue (4c) is generated by a spring (3) having its fixed point at the end of a housing groove (4a).
  • the pressure force thus generated by the spring acts on the separating block (2) at point (2c), which in turn acts on the pivot bearing (2a) of the separating block and thus enables the already mentioned rotational movement.
  • the generated by the combination F1 / F2 Preloading the tab not only has reinforcing effect on the brazing process, but additionally increases the reliability of triggering a switching action by two independently acting, rectified forces.
  • the Lotstelle that connects the tongue with the arrester element is designed and manufactured so that the separation is done safely and at a time at which no thermal damage can be foreseen by a superheated discharge element. This Rankt is first determined by the choice of the solder, with the described mechanical bias provides a significant share to it. Furthermore, the Lotmenge at the Lotstelle (4f) (see Figure Ib) and the heat distribution must be optimized at the solder pad.
  • the solder pad (4d) is formed so that it receives only a limited amount of solder by the end of the switching tongue (4c) as a contact blade (4d '), which dips as a mating contact in a slot-shaped aperture (5c) and is soldered with its projecting part with the contact (5a) of the active element (5) is formed.
  • highly heat-conductive metals or metal alloys or coatings are preferably used at least or exclusively in the area of the solder contact point (4d).
  • the second contact piece (6) is shaped so that it via corresponding supports in the GeHouserenzteil, which is designed for receiving the components, a contact pressure on the bracket (6a) on the contact surface (5b) of the arrester element (5) exerts or is soldered with this contact piece.
  • the supports consist of braided webs, which at the same time increase the strength of the housing half part (1), so that a continuous contact pressure is also ensured by a corresponding rigidity of the carrier housing.
  • both contact pieces (4, 6) are guided and held in position.
  • the webs in certain areas act as insulation for the contact pieces or support or reinforce their shape there, thus making it possible for the contact pieces to be used, for example. can be mechanically loaded in the region of the plug contacts, without thereby deform.
  • the generation of the switching force F3 according to the invention will be explained with reference to FIGS 2 to 4. It unfolds its effect as soon as the Auslötvorgang is completed and moves the tongue in the direction of the end position for the open state. So it acts like the biasing force F2 demand-oriented but time-delayed together with fl.
  • Figures 2a and 2b show a first example of the invention in each case in the closed and in the tripped state.
  • the invention essential feature of this embodiment are two differently arranged pivot points, of which a first at the point (4e) of the switching tongue and a second on the Rankt (2a) is associated with the Abtrennbock.
  • the force effect of Fl biases the switching tongue in the direction of the switching movement via a fixed point (2b) on the disconnecting block in the untripped state.
  • the separation is initiated under the action of the force Fl on the fixed point (2b) on the switching tongue, wherein the force exerted by the fixed point on the switching tongue moves with increasing switching path in the direction of separation contact (4d).
  • the decreasing with increasing switching path spring force Fl is compensated so far that still sets a functionally flawless course of the separation process. Due to the initially balanced middle position Ll of the transmission via the fixed point on the switching tongue, the biasing force Fl compared to a severing device according to the prior art be substantially reduced.
  • FIGs 3a and 3b show a second example of the invention in each case in the closed and in the tripped state.
  • the triggering operation up to the position of the switching tongue shown in FIG. 3b is hitherto identical to that already described in FIG. 2a / 2b.
  • this variant of the invention has an additional function that, starting from this position of the switching position, which already represents the end position of the rotary movement through the Abtrennbock causes a further extension of the switching path. This switching position is shown in Figure 3c.
  • the switching tongue (4c) used for this purpose (FIG. 3d / 3e) is formed from a spring material which, in a certain area, has an expression with an arcuate web (4h).
  • the over-arched bridge acts as an integrated spring clip. Due to the mechanical preload, which experiences the switching tongue by the overbending of the web or the spring clip, acts in the soldered state, first a biasing force (F2 ') in the direction of Lotstelle, whereby the bias voltage is reduced in the switching direction by the spring force Fl. After the Auslötvorgang is completed, the switching tongue sets under the predominant influence of Fl in the usual way from the Lotstelle by a switching movement in the direction of the end position.
  • the overbend (4h) thereby undergoes an overstretching so that it abruptly tilts in the opposite direction S2 ', whereby the switching tongue altogether performs a tilting movement by deformation of the web toward the end position and thus the switching path on the actual end position of the switching movement Sl addition, the amount S2 additionally increased ( Figure 3c).
  • Figures 4a / 4b show a third variant of the invention in each case soldered and in the soldered state.
  • This variant has an approximately S-shaped pre-bent switching tongue (4c), as can be seen in Figure 4b in the soldered state.
  • the Auslötvorgang is in the range A.
  • the heating temperature T of the arrester increases starting at the ambient temperature Tu, until the Auslöttemperatur T A is reached.
  • the arrester cools off again over time.
  • the graph Figure 5a also shows clearly that the force F2 essentially supports the Auslötvorgang (area A). Another aim of the invention, however, is that for the switching operation (area B) another force comes into action, which supports or replaces the decreasing with increasing shift travel spring force of Fl, to achieve a high switching speed or a large switching path. Serves the switching force F3 which is provided by the means Figure 2 to Figure 4.
  • FIG. 5b shows the course of the forces resulting from the partial forces F1, F2 and F3
  • a separator for surge arrester with extended functionality assume that the over-voltage protection element to be monitored under the influence of a load or damage behaves so that it overheated. This overheating is practically the prerequisite that the soldering spot melts and ultimately in the manner described, the defective component separates from the supply voltage. Therefore, a separating device acting in this way can only be used effectively if a relatively sluggish shutdown is sufficient, which is in fact the case in most cases, especially since the current fuses usually to be provided externally in the power grid take over the rapid shutdown (eg short circuit).
  • a severing device with extended functionality should, however, be designed so that even a possible short circuit can be detected via the arrester element and switched off in good time. This measure has the following advantages:
  • the switching characteristic of the integrated short-circuit protection can be coordinated (coordinated) with the thermal separation
  • a short circuit of the surge arrester does not necessarily lead to the shutdown of the power supply of the consumer system due to the circuit protection (coordination dependent).
  • the cross section of the switching tongue is tapered at a suitable location.
  • the cross-section of this taper determines the current that leads to a power-related shutdown.
  • Another possibility is a quenching device, which under the thermal Influence of the arc releases a quenching gas.
  • the separating block is designed so that it pushes between the separated parts of the switching tongue, wherein the lower part is hollow-walled and encloses the separated lower part of the switching tongue in the manner of a switching chamber. This offers the arc no further foot, whereby it is interrupted.
  • the separating block or at least the hollow chamber made of a material that releases a quenching gas under the influence of the arc, which additionally prevents the expansion of the arc by cooling.
  • FIGS. 6a and 6b show such a current fuse integrated in the switching tongue.
  • FIG. 6a shows the switching tongue (4c), in the region of the support point for the
  • Fixed point (2b) has a cross-sectional taper (4i), which is formed from a bore or expression.
  • the divider block forms below the fixed point a switching chamber (2e), which separates the lower part of the switching tongue (4i ') during and after the current-related separation from the upper part (4i ") still connected to the soldering point, through the enclosure of the lower part the switching tongue, this area is electrically separated from the other parts by spacing and insulation ( Figure 6b).

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Fuses (AREA)
  • Thermally Actuated Switches (AREA)

Abstract

L'invention concerne un procédé pour dimensionner un dispositif de séparation pour un parafoudre dont le mouvement de commutation est réalisé par une lame de commutation orientée par une force élastique à action permanente dans le sens opposé à la force de rétention réalisée par une soudure de protection. Selon l'invention, la force de précontrainte agissant sur la lame de commutation et/ou son point de soudage pour la réalisation d'une force de dessoudage et/ou de commutation est assistée, outre par une force de précontrainte à action permanente, par au moins une autre force de précontrainte à action indépendante et par une force de commutation complémentaire à même sens d'action, la répartition de leurs forces étant réglée de sorte à ce qu'à l'état de repos, une force résultante plus faible agisse sur le point de soudage et qu'une force résultante aussi élevée que possible réalise le mouvement de commutation pendant le processus de dessoudage.
EP07727670.7A 2006-04-26 2007-04-03 Procédé pour dimensionner un dispositif de séparation pour paratonnerre Active EP2011128B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200731785A SI2011128T1 (sl) 2006-04-26 2007-04-03 Postopek dimenzioniranja odklopnega stikala za prenapetostni odvodnik

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102006019498 2006-04-26
DE102006036598A DE102006036598A1 (de) 2006-04-26 2006-08-04 Verfahren zur Dimensionierung einer Abtrennvorrichtung für Überspannungsableiter
PCT/EP2007/053198 WO2007125000A1 (fr) 2006-04-26 2007-04-03 Procédé pour dimensionner un dispositif de séparation pour paratonnerre

Publications (2)

Publication Number Publication Date
EP2011128A1 true EP2011128A1 (fr) 2009-01-07
EP2011128B1 EP2011128B1 (fr) 2016-03-30

Family

ID=38542467

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07727670.7A Active EP2011128B1 (fr) 2006-04-26 2007-04-03 Procédé pour dimensionner un dispositif de séparation pour paratonnerre

Country Status (9)

Country Link
EP (1) EP2011128B1 (fr)
JP (1) JP5059099B2 (fr)
CN (1) CN101427327B (fr)
DE (1) DE102006036598A1 (fr)
ES (1) ES2579908T3 (fr)
PL (1) PL2011128T3 (fr)
RU (1) RU2410781C2 (fr)
SI (1) SI2011128T1 (fr)
WO (1) WO2007125000A1 (fr)

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DE202018006119U1 (de) 2018-06-18 2019-04-11 Dehn + Söhne Gmbh + Co. Kg Abtrennvorrichtung für einen Überspannungsableiter
WO2019242959A1 (fr) 2018-06-18 2019-12-26 Dehn Se + Co Kg Dispositif de sectionnement pour parafoudre

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DE102008048644B4 (de) * 2008-08-01 2017-08-24 DEHN + SÖHNE GmbH + Co. KG. Überspannungsschutzgerät mit einem oder mehreren parallel geschalteten, in einer baulichen Einheit befindlichen überspannungsbegrenzenden Elementen
DE102009052400B3 (de) * 2009-11-10 2011-05-12 Phoenix Contact Gmbh & Co. Kg Thermische Überlastschutzvorrichtung
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EP2541577A1 (fr) * 2011-06-30 2013-01-02 Epcos Ag Dispositif électrique
DE102013202795C5 (de) * 2013-02-20 2019-01-24 Phoenix Contact Gmbh & Co. Kg Reversible Abtrennvorrichtung
DE102013021936B3 (de) * 2013-10-08 2015-02-12 Dehn + Söhne Gmbh + Co. Kg Kompakte, vorkonfektionierbare Überspannungsschutzvorrichtung
DE102015008136B4 (de) 2014-09-05 2021-08-26 Dehn Se + Co Kg Schalteinrichtung für Überspannungsschutzgeräte
EP3166193B1 (fr) 2015-11-09 2018-01-31 Dehn + Söhne Gmbh + Co Kg Dispositif de coupure pour appareils de protection contre des surtensions
DE102016001767A1 (de) 2015-11-09 2017-05-11 DEHN + SÖHNE GmbH + Co. KG. Schalteinrichtung für Überspannungsschutzgeräte
DE102017129660B4 (de) 2017-07-10 2024-04-11 Dehn Se Anordnung zum Monitoring des Zustandes von Überspannungsableitern
DE102018205549B3 (de) 2018-04-12 2019-08-01 Phoenix Contact Gmbh & Co. Kg Abtrennelement und Ensemble aufweisend ein entsprechendes Abtrennelement und ein Überspannungsschutzelement
CN110553045A (zh) * 2018-05-30 2019-12-10 杭州小米环境科技有限公司 阀座、锁止结构及防火止回阀
GB2619066A (en) * 2022-05-26 2023-11-29 Eaton Intelligent Power Ltd Overvoltage protection device with improved integrated overtemperature protection
CN115473090B (zh) * 2022-09-27 2025-09-05 南京淳科特来电新能源有限公司 一种新能源汽车充电设备防过充装置

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DE202018006119U1 (de) 2018-06-18 2019-04-11 Dehn + Söhne Gmbh + Co. Kg Abtrennvorrichtung für einen Überspannungsableiter
WO2019242959A1 (fr) 2018-06-18 2019-12-26 Dehn Se + Co Kg Dispositif de sectionnement pour parafoudre

Also Published As

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PL2011128T3 (pl) 2016-09-30
EP2011128B1 (fr) 2016-03-30
WO2007125000A1 (fr) 2007-11-08
RU2410781C2 (ru) 2011-01-27
RU2008145659A (ru) 2010-06-10
ES2579908T3 (es) 2016-08-17
DE102006036598A1 (de) 2007-10-31
JP2009534804A (ja) 2009-09-24
CN101427327A (zh) 2009-05-06
JP5059099B2 (ja) 2012-10-24
CN101427327B (zh) 2011-04-06
SI2011128T1 (sl) 2016-07-29

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