CN101711417A - Overvoltage protection device with mechanical disconnection device activated in the event of thermal overload - Google Patents

Overvoltage protection device with mechanical disconnection device activated in the event of thermal overload Download PDF

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Publication number
CN101711417A
CN101711417A CN200880019897A CN200880019897A CN101711417A CN 101711417 A CN101711417 A CN 101711417A CN 200880019897 A CN200880019897 A CN 200880019897A CN 200880019897 A CN200880019897 A CN 200880019897A CN 101711417 A CN101711417 A CN 101711417A
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China
Prior art keywords
safety device
sliding part
pressure safety
over
shelf
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Granted
Application number
CN200880019897A
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Chinese (zh)
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CN101711417B (en
Inventor
E·策纳
G·维特曼
S·路德维希
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Dence
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Dehn and Soehne GmbH and Co KG
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C7/00Non-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
    • H01C7/10Non-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
    • H01C7/12Overvoltage protection resistors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00Thermally-actuated switches
    • H01H37/02Details
    • H01H37/08Indicators; Distinguishing marks
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00Thermally-actuated switches
    • H01H37/74Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
    • H01H37/76Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
    • H01H37/761Contact 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01TSPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T1/00Details of spark gaps
    • H01T1/12Means structurally associated with spark gap for recording operation thereof
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01TSPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T1/00Details of spark gaps
    • H01T1/14Means structurally associated with spark gap for protecting it against overload or for disconnecting it in case of failure
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01TSPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T4/00Overvoltage arresters using spark gaps
    • H01T4/06Mounting arrangements for a plurality of overvoltage arresters
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00Thermally-actuated switches
    • H01H37/74Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
    • H01H37/76Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
    • H01H37/761Contact 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
    • H01H2037/762Contact 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00Thermally-actuated switches
    • H01H37/74Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
    • H01H37/76Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
    • H01H37/761Contact 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
    • H01H2037/762Contact 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
    • H01H2037/763Contact 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

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermistors And Varistors (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Fuses (AREA)
  • Protection Of Static Devices (AREA)

Abstract

The invention relates to an overvoltage protection device comprising a mechanical disconnection device which is activated in the event of a thermal overload, said disconnection device comprising connection elements which can be moved from a closed position into a current-interrupting or potential-disconnecting position by means of a spring-loaded or pretensioned slider (4), and wherein the closed position of the connection elements is fixed by means of solder or a thermally detachable adhesive. According to the invention, each connecting element comprises a pair of branched metal brackets (1, 1'), the ends of which pointing towards the overvoltage protection unit extend in parallel and receive a corresponding contact lug (14) of the overvoltage protection unit at the midpoint thereof. The ends of the brackets (1, 1') facing away from the overvoltage protection unit are connected to one another in a free space and have sections (12) for external connecting elements or terminals. A sliding element (4) with a pretensioning spring (2) is inserted into the free space, wherein the pretensioning force of the spring is oriented in the direction of the contact plate of the overvoltage protection unit. Furthermore, the slide (4) has a wedge shape and/or the segments of the bracket have an inclined surface in order to generate a force component acting on the parallel-extending ends of the bracket when the slide is moved, so that the ends can be moved away from the contact plate. A welded or bonded connection is formed in the region of the parallel-running ends of the brackets and the contact lugs.

Description

Over-pressure safety device with the mechanical separation device that under the thermal overload situation, starts
Technical field
The present invention relates to a kind of over-pressure safety device with the mechanical separation device that under the thermal overload situation, starts as described in the preamble according to claim 1; this separator comprises a plurality of Connection Elements; each described Connection Element can move to the position that current interruptions or current potential separate by spring force sliding part that load or pretension from the position of closure, and wherein the position of the closure of Connection Element is fixed by scolder or binding agent that can thermal release (melting).
Background technology
For a long time, the over-pressure safety device of separator with heat just belongs to known systems.The task of separator is at over-pressure safety device, when unallowed intensification appears in for example variable resistor/piezo-resistance (Varistor), before discharger breaks down, it to be separated with electrical network.
By EP 0 987 803 B1 or EP 0 905 839 B1 known separation devices, described separator is designed to solid sliding part.Corresponding sliding part is in the effect of initial tension of spring and descends and protect respectively a variable resistor not to be subjected to unallowed heat heating.The make position of each corresponding link position is fixed by scolder.Described scolder is subjected to the initial tension of spring effect that continues by the sliding part transmission, and this constitutes an important shortcoming.According to the difference of power, that is,, need a plurality of separators, the shortcoming on the cost of this formation according to the difference of the impulse current ability to bear of hope.Verified in addition, the motion excursion along with sliding part can drive the scolder granule and form solder line (Lotfaden) in separation process in the prior art solutions of being quoted, and this causes inadequate electricity to separate.
By the known a kind of over-pressure safety device of utility model DE 295 19 313 U1, wherein separator is positioned apart with actual variable resistor by a partition wall with separator of hot type.The separator here only has little impulse current ability to bear.The effect of the initial tension of spring that the welding position is also continued in this prior art.
In interconnection structure according to a plurality of separators of EP 0 716 493, must provide an independent separator for each set variable resistor, wherein even proof, each protection path all needs a plurality of separators.
Summary of the invention
Therefore; set out by content noted earlier; the objective of the invention is; provide a kind of improved over-pressure safety device, wherein being welded to connect the position and should not bearing load aspect the mechanical force all the time of under the situation of separating, the opening of Connection Element (disconnection) particularly with the mechanical type separator that under the thermal overload situation, starts.Another object of the present invention is, the Connection Element of separator is designed to, and make and realize high impulse current ability to bear, and target is, produces the class contact pressure of be used for discharging (Ableitvorgang) by impulse current itself.
For the cost of over-pressure safety device is kept within limits, should only use in electricity, heat according to the present invention or the material of special high request is mechanically arranged at selected position.
Realize purpose of the present invention according to the characteristics combination by claim 1, wherein each dependent claims constitutes suitable form of implementation and improvement project at least.
Therefore; separation device according to the present invention structurally is designed to; the Overvoltage protecting unit, the particularly variable-resistance input part that are used for deboost formed along the conductor segment that identical direction flows through by impacting circuit by two, and described conductor segment extends in parallel in end regions and common is fixedly coupled the mutual transition in position by scolder one.
Because parallel electric current and relevant therewith power effect attract each other in the correspondent section that impulse current situation lower conductor or shelf occur, and realize being welded to connect the raising of the hope of the contact force on the position constantly at this.
The welding position can be designed to only to be used for fixing separately described section of shelf thus.This makes that it is responsive especially the mechanical dimension of welding position can being restricted to absolute minimum value and thus it being designed to heat.In other words, the welding position only has especially little thermal capacity.The contact pressure of discharge process necessity produces by impulse current itself according to instruction of the present invention.
The Connection Element of being made up of the metal shelf of a pair of shunting can be made of the lower material of mechanical strength.By being divided into described two parallel connections/parallel current circuit, can be with determining the size of conductor segment economically, because current density is halved.
The task of the spring of separator is, under the situation of welding position fusing, sliding part is moved between the described current circuit and interruptive current loop thus, described spring can be designed to have less spring force, thereby realizes the low sustained load in welding position.
Each shelf section or the particularly advantageous symmetrical configurations of whole shelf make it possible to achieve by shelf sliding part location and guiding placed in the middle and that do not stress thus.The sliding part for example configuration of wedge shape directly helps separation process.Because sliding part directly moves into the welding position under the situation of separating, can be suppressed at the unfavorable effect in the separation process effectively, the solder line of existence in the prior art for example, and can realize reliable, no-voltage separation.
According to prior art, in having variable-resistance over-pressure safety device, described variable resistor is arranged in the shell.Here the variable resistor unit is by cast or powder coated and other parts electric insulation.Each variable resistor is packed in the shell as prefabricated construction package with separately Connection Element.In this flexible program of prior art, the part of variable-resistance electricity and mechanical property, for example the overload characteristic when breaking down is born by specially designed sheathing material.In other words, can not be simply the material of economy be used for shell according to prior art, but must selects high temperature resistant and incombustible material.
For fear of this shortcoming, the suggestion according to the present invention, each over-pressure safety device, particularly variable resistor encapsulate dividually, that is and, each described over-pressure safety device is packed in the encapsulating housing.Here have only the material of encapsulating housing to select according to described special requirement.
Connection Element is made up of the metal shelf of a pair of shunting according to the present invention, and the end parts parallel ground that described shelf points to Overvoltage protecting unit, for example variable resistor/piezo-resistance extends the contact chip separately (Kontaktfahne) that also holds Overvoltage protecting unit therein.
The end that deviates from Overvoltage protecting unit of shelf surrounds a free space and interconnects.The described end of shelf has a section that is used for external connecting part or terminals in addition.
The described sliding part with preloading spring of packing in described free space, wherein initial tension of spring is along the direction orientation of the contact chip of Overvoltage protecting unit.In addition, the section that sliding part is designed to have wedge-type shape and/or shelf respectively has an inclined-plane, so that generation acts on force component on the end that extends in parallel of shelf when sliding part move, leaves contact chip so that can move in described end.Described at least one welding of formation or bonding connection portion in the zone of end that shelf extends in parallel and contact chip.
Sliding part has a flat basically surface portion in a form of implementation of the present invention, so that the corresponding slide positions of expression (using signal indication on the optics) visually, and specifically be with respect to the slide positions that is arranged on the window in the shell.
Below the described surface portion of sliding part movably, be provided with the other face that can expose by sliding part, be used for visually representing (using signal indication on the optics) released state.The described surface portion of sliding part is preferably designed to different colors with described other face.
One is used for holding an end of preloading spring or the cavity of a section longitudinally is positioned at movable sliding part.In addition, in the bottom of sliding part, process a gathering sill, so that in the motion that will implement, place run-off the straight.
The fixed position is carried out by scolder or binding agent in the end that shelf extends in parallel.But in separation process, push open mutually by the internal stress of the machinery that can set described end, and this helps separation process.
Under the situation of separating, sliding part moves into welding or bonding connection zone and passes described zone, preventing particularly solder line, thereby realizes separating completely and reliably.
Sliding part itself by electric insulation, particularly plastic material is formed.
As mentioned above, described at least one Overvoltage protecting unit is arranged in the encapsulating housing, and described encapsulating housing has the opening that is used for the electric contact connection, and wherein sliding part is arranged on this encapsulating housing.Encapsulating housing can have a track here, and this track is rabbeted in the gathering sill of sliding part bottom.
Being used to of shelf connects outside terminals or other link described section and is fixed on the encapsulating housing or is bearing in here.
A plurality of Overvoltage protecting units, particularly variable resistor dish can be arranged in the encapsulating housing in parallel.
A plurality of this encapsulating housings with the Overvoltage protecting unit that is arranged on wherein and the shelf that is provided with respectively and sliding part can be in a total indicator elment by the position that is parallel to each other and be connected, and indicate possible released state so that concern by " or (ODER) " of logic.
The section that is used for outside link or outside terminals particularly is designed for the screw contacting that can realize economically, and has corresponding bent angle and have one or more holes in case of necessity.
Lay respectively at Overvoltage protecting unit in the encapsulating housing serial line interface housing of packing into
Figure G2008800198975D00051
In, described housing can be made by the plastic material of cheapness.
Also there is such possibility in additional ground, that is, the inside of serial line interface housing is provided with at least one gas discharge protector by the corresponding electrical wiring form with respect to other Overvoltage protecting unit.
Description of drawings
Below according to an embodiment and by means of the present invention is described in detail with each accompanying drawing.
Here:
Fig. 1 illustrates a decomposition view that is arranged in the variable resistor dish of encapsulating housing, and wherein this construction package is packed in the serial line interface shell, and is additionally provided with the gas discharge protector by 1+1 type of attachment (circuit);
Fig. 2 illustrates and decomposition view like the view of Fig. 1, but has three gas discharge protectors that lay respectively at the variable resistor dish in the encapsulating housing and have other setting altogether, and they also all are arranged in the serial line interface shell;
Fig. 3 illustrates the thin portion view of the variable resistor unit of encapsulation, wherein has appreciable separator;
Fig. 4 illustrates another thin portion view of the variable resistor unit that is arranged in encapsulating housing, and wherein, separator is in the state that does not set out;
Fig. 5 illustrates the view that is similar to according to the view of Fig. 4, but is in the state of triggering;
Fig. 6 illustrates the view that encapsulating housing is observed from below, and this encapsulating housing has the visible brace and the link of variable resistor dish, and described link has the opening of a slit-shaped, is used to hold the brace that is used to weld purpose;
Fig. 7 illustrates the view that is similar to according to the view of Fig. 6, but has two variable resistor dishes in encapsulating housing inside;
Fig. 8 illustrates the view that is similar to according to the view of Fig. 7, but has had linkage unit and terminals and mounted gas discharge protector;
Fig. 9 illustrates a plurality of multipole arrangement forms that are arranged in the overvoltage arrester of encapsulating housing, and described overvoltage arrester has the busbar as the state indication;
Figure 10 illustrates a plurality of many pin arrangement forms that are arranged in the overvoltage arrester of encapsulating housing, and described overvoltage arrester has busbar and the visible housing parts that has observation window as the state indication, and described observation window makes can observe total indicator elment;
Figure 11 a and 11b illustrate the view that is similar to according to the view of Figure 10, but have the discharger of left side separation in the drawings and the position that total indicator elment correspondingly moves;
Figure 12 a and 12b illustrate the view that is similar to according to the view of Figure 11 a and 11b, but have overvoltage arrester setting placed in the middle, that be in released state;
Figure 13 a and 13b illustrate the view that is similar to according to the view of Figure 11 a to 12b, and the state that upper left in the drawings discharger is in separation wherein is set; And
Figure 14 a and 14b illustrate the view that is similar to according to the view of Figure 11 a to 13b, and wherein all dischargers all are in the state of separation.
Embodiment
In the view according to Fig. 1 and 2, serial line interface shell 11 holds and has the variable resistor dish that is positioned at wherein 7,7 ' encapsulating housing 6.Separation device according to the present invention is positioned on the upside of encapsulating housing 6, and this separator has a sliding part 4 as resolution element.A pair of shelf 1,1 ' constitutes the sheet metal bending part of metal, and wherein each shelf has substantially parallel distribution trend in the end on right side in the drawings.Each shelf also surrounds a free space in addition, is used for holding under installment state sliding part 4.
Shelf 1,1 ' carry out the transition to one be used for the other element of contacting 13 the section 12, wherein the connection between the parts 12 and 13 for example can realize by being threaded.
For 1+1 type of attachment,, and this gas discharger packed in the serial line interface shell 11 also by corresponding electric device contacting gas discharger 8 according to Fig. 1.
Fig. 2 comprise one altogether three lay respectively at a variable resistor group 7,7 ' 3+1 type of attachment in the encapsulating housing 6, according to Fig. 2, there is a total indicator elment 5, this total indicator elment and each sliding part 4 by " or " relation interacts, promptly can correspondingly operate, thereby can correspondingly discern variable resistor group 7,7 ' fault.
Fig. 3 illustrates the state that the part of separator is housed in advance of encapsulating housing 6, comprises by the 10 contacting elements 13 that connect that are threaded.
Variable resistor 7 is pushed in the encapsulating housing 6 of opening below, wherein the contact chip 14 of variable resistor 7 occupies its space between two shelf ends.Welding position 3 this moment fixes contact chip 14 and shelf 1,1 ' parallel end.
Vertical view according to Fig. 4 also can be seen sliding part 4, and this sliding part has a surface portion 15, and this surface portion other face portion 16 below being positioned at it on color is different.Under the state that does not have to trigger according to the view of pressing Fig. 4, surface portion 15 is near covering the face portion 16 that is positioned under it fully.
In the trigger position according to Fig. 5, sliding part 4 is in the drawings to upper right side motion, thereby describedly other for example exposes and represent malfunction for red face portion 16.
Snap the part (see figure 3) that sliding part 4 is placed the sliding motion of hope and passes the portion of being welded to connect 3 when connecing in succession by spring 2 and the spring force that freely discharges beating (breaking).Process a cavity 17 in the inside of sliding part 4, this cavity holds a spring section.
Fig. 6 and 7 illustrates and have the variable resistor (Fig. 6) of packing into or with the downside of the encapsulating housing 6 under variable resistor 7,7 ' the complete occupied state of two parallel connections, described two variable resistors link to each other with cross structure 8 by welding in zone 9.
Cross structure 18 also is used for contacting and fixed gas discharge prevention device 8 and hold the screw thread terminals parts 19 that are used for corresponding connecting line mechanically according to the view of Fig. 8.
Fig. 9 according to many pin arrangement form of the variable resistor unit that the encapsulation with positioning indicator is shown, one total indicator elment 5 is designed to, make this total indicator elment to control individually, and specifically be to control according to the mode of logical "or" relation by each sliding part.
Describe the effect of the total indicator elment that has positioning indicator in detail by means of Figure 10 to 14.
One housing parts 20 with observation window 21 is shown respectively in Figure 10,11a, 12a, 13a and 14a.
By observation window 21, can see the position of the total indicator elment 5 that is positioned at observation window 21 belows.In position, for example can see green in the observation window 21, green sign corresponding to the corresponding colour on total indicator elment 5 according to the accompanying drawing of Figure 10.
If for example carry out in the overvoltage arrester in separation process left side below according to Figure 11 a, then total indicator elment 5 moves along the direction of arrow, the part of dying green or being provided with viridine green that is total indicator elment 5 is left observation window 21, and expose be positioned at its below color, preferably red, so that the expression malfunction.
Is saving under the illustrated situation of housing parts 20 respectively shown in Figure 11 b, 12b, 13b and the 14b position of the total indicator elment 5 that moves relatively therewith.
The movement of total indicator elment has been guaranteed, even the overvoltage arrester (Figure 12 b) in the middle of having finished or in the drawings during the separation process of the overvoltage arrester shown in the upper right side or when all overvoltage arresters according to Figure 14 a and 14b separate, all realize the shift position of hope according to Figure 13 b.
Reference numerals list
1,1 ' conductor segment/shelf
2 springs
3 welding positions
4 sliding parts
5 total indicator elments
6 encapsulating housings
7,7 ' variable resistor
8 gas discharge protectors
9 Connection Elements
10 are threaded
11 serial line interface shells
12 sections
13 contacting elements
14 contact chips
15 surface portions
16 face portion
17 cavitys
18 cross structures
19 screw thread terminals parts
20 housing sections
21 observation windows

Claims (17)

1. over-pressure safety device; be included in the mechanical separator that starts under the thermal overload situation; described separator comprises Connection Element; each described Connection Element can move to the position of current interruptions or current potential separation by spring force sliding part that load or pretension from the position of closure; and wherein the position of the described closure of each Connection Element is fixed by scolder or binding agent that can thermal release; it is characterized in that; each described Connection Element comprises the metal shelf of a pair of shunting; the corresponding contact chip that each end parts parallel towards the Overvoltage protecting unit sensing is extended and the some place holds Overvoltage protecting unit therein of described shelf; each end of the Overvoltage protecting unit dorsad of each described shelf interconnects with surrounding a free space and has and is used for the outside link or the section of terminals; in described free space, pack into and have the sliding part of preloading spring; wherein initial tension of spring is towards the direction orientation of the contact chip of Overvoltage protecting unit; in addition; the section that sliding part has wedge-type shape and/or shelf has the inclined-plane; so that when sliding part moves, produce the force component on the end that extends in parallel that acts on shelf; thereby can move and leave described contact chip in each described end, and form in the zone end that extends in parallel of shelf and contact chip and be welded to connect or bonding connection.
2. over-pressure safety device according to claim 1 is characterized in that, described sliding part has a flat surface portion, is used for visually with the corresponding slide positions of signal indication.
3. over-pressure safety device according to claim 1 and 2 is characterized in that, is provided with the other face that can be exposed by sliding part below the described surface portion of movable sliding part, is used for visually using the signal indication released state.
4. according to each described over-pressure safety device in the aforementioned claim, it is characterized in that, in movable sliding part, longitudinally be provided with a cavity, be used to hold an end of preloading spring.
5. according to each described over-pressure safety device in the aforementioned claim, it is characterized in that, in the bottom of sliding part, process gathering sill.
6. according to each described over-pressure safety device in the aforementioned claim, it is characterized in that fixed-site is carried out by scolder or binding agent in the described end of each that extends in parallel open, but the internal stress by machinery is pushed mutually in separation process.
7. according to each described over-pressure safety device in the aforementioned claim, it is characterized in that described shelf constitutes symmetrical.
8. according to each described over-pressure safety device in the aforementioned claim, it is characterized in that under the situation of separating, sliding part moves into welding or bonding connection zone and passes described zone to avoid occurring particularly solder line.
9. according to each described over-pressure safety device in the aforementioned claim, it is characterized in that described sliding part is made up of electrical insulating material.
10. according to each described over-pressure safety device in the aforementioned claim, it is characterized in that Overvoltage protecting unit comprises one or more variable resistors.
11. according to each described over-pressure safety device in the aforementioned claim; it is characterized in that; at least one Overvoltage protecting unit is arranged in the encapsulating housing, and described encapsulating housing has a plurality of openings that are used for the electric contact connection, and wherein sliding part is arranged on this encapsulating housing.
12. over-pressure safety device according to claim 11 is characterized in that, the section that is used for outside terminals of described shelf is bearing on the encapsulating housing or is fixing here.
13., it is characterized in that a plurality of Overvoltage protecting units are arranged in the encapsulating housing in parallel according to claim 11 or 12 described over-pressure safety devices.
14. according to each described over-pressure safety device in the claim 11 to 13; it is characterized in that; a plurality of Overvoltage protecting units that are positioned at wherein that have link to each other with a total indicator elment with the shelf that is provided with respectively and the encapsulating housing of sliding part, so that by the possible released state of logical "or" relation indication.
15. according to each described over-pressure safety device in the aforementioned claim, it is characterized in that, be used for outside link or terminals each described section and constitute and be used for the screw contacting.
16., it is characterized in that each Overvoltage protecting unit that is arranged in encapsulating housing serial line interface shell of packing into according to each described over-pressure safety device in the claim 11 to 15.
17. over-pressure safety device according to claim 16; it is characterized in that; each Overvoltage protecting unit that is arranged in encapsulating housing separately constitutes the variable resistor of dish type, wherein in the serial line interface enclosure at least one gas discharge protector is set additionally.
CN2008800198975A 2007-06-11 2008-03-28 Overvoltage protection device with mechanical disconnection means which can be activated in the event of a thermal overload Expired - Fee Related CN101711417B (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE102007026852 2007-06-11
DE102007026852.3 2007-06-11
DE102007042991.8 2007-09-10
DE102007042991A DE102007042991B4 (en) 2007-06-11 2007-09-10 Surge protection device with mechanical disconnection device activated in thermal overload
PCT/EP2008/053750 WO2008151861A1 (en) 2007-06-11 2008-03-28 Overvoltage protection device with mechanical arresting device activated in the case of thermal overload

Publications (2)

Publication Number Publication Date
CN101711417A true CN101711417A (en) 2010-05-19
CN101711417B CN101711417B (en) 2012-02-01

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CN2008800198975A Expired - Fee Related CN101711417B (en) 2007-06-11 2008-03-28 Overvoltage protection device with mechanical disconnection means which can be activated in the event of a thermal overload

Country Status (7)

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EP (1) EP2047487B1 (en)
CN (1) CN101711417B (en)
AT (1) ATE469427T1 (en)
DE (2) DE102007042991B4 (en)
PL (1) PL2047487T3 (en)
RU (1) RU2009146876A (en)
WO (1) WO2008151861A1 (en)

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CN101887790A (en) * 2010-06-13 2010-11-17 深圳科安达电子科技股份有限公司 Piezoresistor for lightning protection
CN104272539A (en) * 2012-03-26 2015-01-07 德恩及索恩两合股份有限公司 Fault indicator for electronic devices, in particular surge arresters
CN106415769A (en) * 2014-06-04 2017-02-15 德恩及索恩两合股份有限公司 Device for thermally triggering or thermally disconnecting an overvoltage protection device
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CN106415769A (en) * 2014-06-04 2017-02-15 德恩及索恩两合股份有限公司 Device for thermally triggering or thermally disconnecting an overvoltage protection device
CN106415769B (en) * 2014-06-04 2019-06-21 德恩及索恩两合股份有限公司 Device for thermally triggering or thermally disconnecting an overvoltage protection device
CN107112725A (en) * 2014-12-29 2017-08-29 德恩及索恩两合股份有限公司 Overvoltage protection device for information and communication technology
CN107112725B (en) * 2014-12-29 2020-02-28 德恩塞两合公司 Overvoltage protection device for information and communication technology
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CN107820632A (en) * 2015-07-13 2018-03-20 菲尼克斯电气公司 rheostat with isolation discharger
CN107820632B (en) * 2015-07-13 2019-07-23 菲尼克斯电气公司 Rheostat with isolation discharger
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DE502008000709D1 (en) 2010-07-08
WO2008151861A1 (en) 2008-12-18
RU2009146876A (en) 2011-07-20
ATE469427T1 (en) 2010-06-15
DE102007042991B4 (en) 2009-09-17
EP2047487A1 (en) 2009-04-15

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