CN101842947B - Surge arrester having a housing and at least one arrester element - Google Patents
Surge arrester having a housing and at least one arrester element Download PDFInfo
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- CN101842947B CN101842947B CN200880113696.1A CN200880113696A CN101842947B CN 101842947 B CN101842947 B CN 101842947B CN 200880113696 A CN200880113696 A CN 200880113696A CN 101842947 B CN101842947 B CN 101842947B
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- surge arrester
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- 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
- H01T1/00—Details of spark gaps
- H01T1/14—Means structurally associated with spark gap for protecting it against overload or for disconnecting it in case of failure
Abstract
The invention relates to a surge arrester comprising a housing (10) and at least one discharge element, and a disconnection device for disconnecting the discharge element from a power supply system, wherein the disconnection device comprises a soldering point (14) which is connected to an electrical connection path (A; B) within the surge arrester, wherein a movable conductor section (3) is connected to the discharge element by means of the soldering point on the one hand, and to an electrical first external connection of the surge arrester on the other hand; and a component generating a pre-tension force, the force vector associated therewith acting on the conductor section in the direction of separation indirectly or directly via the movable separation frame (13). According to the invention, a conductive element (4, 17) is arranged in the path of movement of the conductor section, the first end of the conductive element being in contact with the conductor section when the disconnection device is triggered, wherein the second end of the conductive element is connected to an electrical second external connection and the conductive element comprises or is designed as a switching device.
Description
Technical field
The present invention relates to a kind of supplementary surge arrester as German patent application No.10 2,006 052 955.3, comprise for example rheostat and for making the arresting element separator separated with electrical network of housing and at least one arresting element, this separator comprises soldering point, this soldering point is connected in the electric access path of discharger inside, the bridge of movable conductor section or movable conduction is connected with arresting element by soldering point on the one hand, and conductor section or bridge are connected with the first electric coupling of discharger on the other hand, and comprise the member spring for example that produces pretightning force, relevant force vector is applied on conductor section or bridge along detaching direction by movable separator frame indirectly or directly therewith.
Background technology
The known separator also with short-circuit function, when the transition status of separator separation or triggering, current path, by the arresting element of fault like this in short circuit, makes electric current commutate to the bypass of connection from arresting element.
The low-resistance short circuit paths connecting so for example can be for operation setting at the switch element of upstream or produce definite sustained short-circuit, this switch element is adjusted on the short circuit current of relevant electrical network, and this sustained short circuit current is defined as so-called fail safe situation in definite applicable cases.
For example will be with reference to EP 0 860 927 A1 for prior art.In this document, describe the electromechanical assembly expending very much, this electromechanical assembly monitoring is by rheostatic electric current and the short circuit in the bypass to rheostat path by dynamo-electric contacting after the critical value that surpasses regulation.
The separator can hot type triggering by DE 37 34 214 C2 belongs to prior art, and the switch element of this separator is transfer contact.Transfer contact is in a known manner by the closed rheostat of soldering point loop.If trigger switch element, another closing of contact so, this contact or can be used as inside or can be used as outside fault detector or can be equally by corresponding outside connection as short circuit.
Press DE 41 24 321 C1, a kind of structure for overvolatge device electric discharge belongs to prior art, and a plurality of overvoltage Limiting elements for example rheostat or diode and for example by definite disconnection member triggering of overheated or leakage current are wherein set.In order to improve the such structure forming especially redundantly, setting there, the element that at least two overvoltage limit is set, wherein each element is sufficiently determined size, to guarantee overvoltage protection on relevant use location.The leakage current of the hot type decoupler monitoring overvoltage Limiting element in the meaning of thermal fuse, makes for example the first element when overheated, can disconnect and can connect the second element.
For the rheostat of the redundancy of connection the first rheostat is malfunctioning after the also additional safety of malfunctioning situation, by DE 41 24 321 C2, be the rheostat of redundancy or by opening switch in transverse current path or also separated with voltage by the switch of opening in longitudinal current path.So the system that simultaneously will protect is separated with electrical network and prevent that this system is subject to disadvantageous overvoltage.
Short circuit by additional switch should be able to cross-over connection transverse current path selectively, makes last protected system short-circuit.Opening of the switch of this necessity can synchronously realize by common operation.If disconnection and/or the short circuit of system of protection expect, the function of so above-mentioned switch is by employing cross-over connection or remove such member and be cancelled.But the layout of additional switch is necessary for the short circuit on longitudinal current path or on transverse current path substantially, this surge arrester in housing original with regard to limited structure space in further restriction cost.
Especially in optoelectronic device because the characteristic of supply source the operating current is there almost identical with short circuit current.It is traditional when adding thermistor(-ter) and its separator that to be separated in such direct voltage application be not main purpose because the system voltage of optoelectronic device until for the interruption of 1000V and 1000V DC circuit generally only can be with the realization that expends of huge structure or instrument.
Summary of the invention
Therefore by foregoing, set out; the object of the invention is; a kind of surge arrester further developing is proposed; comprise housing and at least one arresting element for example rheostat and separator; this separator also can install additional; this surge arrester can guide short circuit current reliably, to obtain for the new range of application in the meaning of the discharger that maybe can install additional equipping.
The solution of the object of the invention realizes by surge arrester of the present invention.
The present invention realizes a kind of surge arrester, comprise for example rheostat and for making described at least one arresting element separator separated with electrical network of housing and at least one arresting element, this separator comprises soldering point, this soldering point is connected in the electric access path of surge arrester inside, movable conductor section is connected with arresting element by soldering point on the one hand, and conductor section is connected with the first electric coupling of surge arrester on the other hand, and surge arrester comprises the member spring for example that produces pretightning force, the force vector relevant with described pretightning force indirectly or directly by movable separator frame, along the conductor section detaching direction separated with arresting element, be applied in conductor section, in the motion path of conductor section, conducting element is set, the first end of this conducting element when separator is triggered and conductor section come in contact, the second end of this conducting element is connected with the second electric coupling of surge arrester and conducting element comprises switching device or is configured to switching device.
By the present invention, for the known separator of surge arrester own, be equipped with additional connection, this connection has been expanded short-circuit function to existing separation function, and this short-circuit function is booting failure electric current limitedly in time.In this suggestion, additional connecting and composing is various, make by demand on the surge arrester of corresponding realization from the outside activation possibility that becomes.
In corresponding description about separator by setting out as follows, this separator comprises the soldering point with the scolder melting in corresponding response temperature.Certainly separator also can be realized by other molten material, and itself does not have the characteristic of conduction described material, and now by bridge, realizes the electrical connection to access path, and the mechanical location of this bridge guarantees by means of molten material.
By the present invention, in the motion path of the conductor of spring pre-tightening or the bridge of spring pre-tightening, at least one conducting element is set, the first end of this conducting element when separator triggers and conductor section or bridge joint touch.The second end of conducting element is connected with the second coupling of electricity.Be provided with in addition protection member, the evil of the scolder residue of avoiding spilling for the protection of the contact point being arranged between conductor section or bridge and conducting element or scolder or above-mentioned molten material.
In a kind of preferred structure, conducting element is configured to bridge shape camber member, and its second end can be connected with the second coupling of electricity when the binding post of setting for this bridge shape camber member is tightened.Simplify in such a way assembling, because bridge shape camber member needn't contact individually.
In the preferred structure of another kind, the first end of conducting element has panel-like member smooth or slight bending to a certain extent, and wherein panel-like member has the substantially parallel orientation with respect to conductor section, and is in the situation relevant with separation case.By this parallel orientation, should realize large-area as far as possible low-resistance contact and recline.
Panel-like member at it towards having on the downside of the second end orientation for receiving the scolder that spills or recess or the groove of molten material.Effectively prevent in such a way, scolder precipitation forms the position of protuberance onboard and there, and this causes less desirable transition resistance.Recess can hold the material of the corrosion of conductor section or bridge if desired.
Conducting element can be installed in surge arrester afterwards in the sense of the present invention, to also realize short trouble safety function except separation function.
The bridge shape camber member that is preferably set to conducting element has for being fixed on the member on discharger shell or in this housing.Conducting element is determined size or design like this, makes to eliminate short-circuit function after predetermined time.
For fixing member be for example included in the groove of bridge shape camber member or space and with it complementary, for form shape sealed, in projection or the respective slot of housing.The technique variation of such fixed component certainly belong to can consider have a selection deformation program.
For the meaning of the short-circuiting device by working in separation case activates conducting element selectively, insulation board can be arranged between conducting element and conductor section.Selectively conducting element can at least on its first end, be provided with can dismantle for example with the insulating case of flexible insulated hose form.Same as insulation board, insulating case also can remove by the applicable opening in housing, to discharge additional function " short circuit ".
In order to activate selectively conducting element, in form of implementation of the present invention, can be adjusted in the relative distance between conducting element and conductor section.At this, in primary importance, realize, conductor section or bridge fully contact with conducting element in separation case.By the path about conductor section or bridge, limit and can prevent from contacting conducting element in addition.In this form of implementation, can consider to arrange adjustable eccentric wheel of constrained Path or stroke.
For the meaning of the short-circuiting device by working activates conducting element selectively, in the motion path in conductor section in a kind of supplementary form of implementation, can adopt the restriction element with the form of nail, pin or similar backstop in separation case.
Set as already described, insulation board or nail or pin can form from the outside accessibly through housing, to especially can remove this member afterwards.
The short-circuit function of corresponding activation can be sent signal by indicating device.At this, also can set, lead sealing is for removing the port of insulation board, nail or pin.Insulation board, nail or pin are taken away in the lead sealing of the stopper shape that for example can consider at this when removing.This additional short-circuit function of removing the surge arrester display setting of lead sealing.
Conductor section consists of the material of inflexibility.
Panel-like member and the distance between conductor section at conducting element can be by bending or crooked the changes or adjusting of panel-like member.
Conducting element is configured to safeties.
Conducting element there is power semiconductor or together with power semiconductor forming circuit, wherein power semiconductor is converted to open mode by means of initial pulse in guiding after short circuit current.
Conducting element is determined like this size aspect cross section, makes to realize the disconnection that conduction connects after guiding short circuit current.
Conducting element can not carry short circuit continuous current.
The present invention also realizes a kind of surge arrester, comprise for example rheostat and for making described at least one arresting element separator separated with electrical network of housing and at least one arresting element, this separator comprises soldering point, this soldering point is connected in the electric access path of surge arrester inside, movable conductor section is connected with arresting element by soldering point on the one hand, and conductor section is connected with the first electric coupling of surge arrester on the other hand, and surge arrester comprises the member spring for example that produces pretightning force, the force vector relevant with described pretightning force indirectly or directly by movable separator frame, along the conductor section detaching direction separated with arresting element, be applied in conductor section, in the motion path of conductor section, conducting element can be set, the first end of this conducting element contacts with conductor section when separator is triggered, the second end of this conducting element is connected with the second electric coupling of surge arrester, be provided with in addition protection member, the evil of the scolder residue of avoiding spilling for the protection of the contact point being arranged between conductor section and conducting element, in order to activate selectively the conducting element that plays short-circuiting device effect in separation case, insulation board is arranged between conducting element and conductor section or conducting element at least has the insulating case that can dismantle on its first end, or in order to activate selectively the conducting element that plays short-circuiting device effect in separation case, can be adjusted in the relative distance between conducting element and conductor section, or in order to activate selectively the conducting element that plays short-circuiting device effect in separation case, be used as nail or pin, the element of the motion path of restriction conductor section, wherein short-circuit function is cancelled after the predetermined duration.
This surge arrester is applied in the direct voltage equipment with high system voltage and the operating current on short circuit current level, is especially applied to optoelectronic device.
Accompanying drawing explanation
By means of embodiment with reference to accompanying drawing, explain in detail the present invention below.Wherein:
Fig. 1 shows the basic circuit diagram of discharger, comprises the separated and release property of rheostat and combination;
Fig. 2 is presented at the schematic diagram of the form of implementation of separator under triggering state not, that have switching function;
Fig. 3 shows the view of the separator that is similar to Fig. 2, but under triggering state and under short-circuit conditions;
Fig. 4 shows the form of implementation of the switching device with removable insulation board;
Another form of implementation of Fig. 5 a and 5b display switch device, the motor adjustment that wherein short-circuit function can be controlled by the eccentric wheel of conducting element;
Fig. 6 shows the embodiment of surge arrester, comprise housing and rheostat arresting element and hot type separator, wherein separator frame is delivered to mechanical movement on hot type separator and in separation case and realizes short circuit by the bridge-type camber member as conducting element;
Fig. 6 b demonstration is similar to the view by Fig. 6, but under released state and under the short-circuit conditions triggering;
Fig. 6 a shows the detailed view of the plate shape end of bridge-type camber member, is included in location of short circuit the visible recess about tongue;
Fig. 7 shows to have the schematic diagram as the conducting element of switching device.
Embodiment
Press the view of Fig. 1, between coupling A and B, be connected rheostat 2.Rheostat 2 can be separated by separator (tongue) 3 can hot type triggering.Between an a and c, conventionally by conductor section or bridge, exist and be electrically connected to, and be under the state of not triggering.At 3 ' time triggering separator 1 of state and be based upon path a by means of short circuit camber member 4 to the connection on b, this short circuit camber member 4 strides across rheostat 2.By short-circuit condition dotted line between an a and b graphic operation or that trigger, represent.According to Fig. 2 to 5, after scolder sealing-off, under the impact of compression spring 6 (by the Reference numeral of Fig. 6 and 6b 11), carry out converting motion.
Fig. 2 is schematically presented at not operation or the switching device 1 with separated and short-circuit function under triggering state not.
The short-circuit condition triggering of operation represents by the form of Fig. 2 schematic diagram dotted line between an a and b.As mentioned, after sealing-off process, under the impact of the power of spring 6, realize converting motion.Form the tongue 3 of conductor section simultaneously for realizing the short circuit of the expectation between tie point A and B, wherein this tongue and conducting element or short circuit camber member 4 recline.
Short circuit by means of the i.e. expectation between an A and B of state Fig. 3 operation or that trigger is apparent, and is the motion due to tongue, and this tongue is now in location of short circuit 3 '.
Press the schematic diagram of Fig. 5 a and 5b, in switching device its short-circuit function by manually operate a member especially eccentric wheel 8 be switched on or switched off.
By means of eccentric wheel 8, realize different operational stroke 8 ', 8 "; the movable part 4 ' of short circuit camber member can be about the camber member part 4 of rigidity " change, make as described in Fig. 5 b, can realize and the contacting of tongue 3, this is impossible in the position of the movable part of the short circuit camber member 4 ' by Fig. 5 a.Object for the motion of tongue limits also arranges backstop 9 in this form of implementation.
Thereby outside the radius of action and sphere of action of the short circuit camber member 4 ' supporting by the point of rotation 5 in tongue 3, make to prevent the contact on the a/b of path in by the position of the switch of Fig. 5 a " separation ".
Contrary on " short circuit " position, because moving in the scope of activities of tongue 3, the disk 8 of movable short circuit camber member 4 ' by eccentric colyliform realize the connection on the a/b of path.
The surge arrester in by the embodiment of Fig. 6 with additional short-circuit function is integrated in housing 10.By means of separator frame 13 and the tension spring 11 of supporting swingably, pretightning force is applied on tongue 3, and this tongue is connected with (not showing) rheostatic joint 16 through housing next door 15 by means of soldering portion 14.
Conducting element is configured to the camber member 17 of bridge shape by the form of implementation of Fig. 6.Camber member 17 has the first end 18 of plate shape.The second end of bridge shape camber member 17 is in the situation that the binding post 19 arranging is tightened with electric coupling is connected for this reason.
The plate shape end 18 of bridge shape camber member 17 has recess 20 for receive the scolder that may spill of soldering point 14 under separation case at it on the downside of the second end orientation.
Bridge shape camber member 17 can be fixed on discharger shell 10 or in this housing by the member 21 for fixing.Plate shape end 18 and the distance between conductor section or tongue 3 at conducting element can be regulated or be changed by bending or the bending of plate shape end 18.Plate shape end 18 plays a decisive role about the angle position of tongue 3 positions.Under any circumstance at this, guarantee, for expectation reliable short circuit tongue 3 in large area and plane earth contact with plate shape end 18.
If the view tongue of pressing Fig. 6 is by soldering point 14 sealing-off on the c of position, thus realize so separator frame 13 rotatablely move and tongue 3 converting motions until in the terminal location of opsition dependent b, this position b is corresponding to location of short circuit.
From the schematic diagram of pressing Fig. 6; the surge arrester further developing with short-circuit function can be placed in without any problems for the standard housings with the assembling of cover rail bar, its jackshaft shape camber member 17 after the case lid not showing is taken off, be can hold accessible.Therefore at the surge arrester that provides not or have short-circuit function that expends of assembling Fang Yi little, wherein by bridge shape camber member 17 installation afterwards, also can realize later short-circuit function.
Fig. 6 b be presented in the device of realization and under the state (position of the switch b of triggering) triggering by the view of separator of the present invention.
Be provided with the soldering point 14 or 14 of soldering paste ' (see that Fig. 6 a) does not participate in the real large-area closing of contact.Only the part b of tongue 3 ' abuts on the surface of plate shape end 18 of bridge shape camber member 17.
Fig. 7 shows the schematic diagram with conducting element, and this conducting element is configured to switching device SE.
At surge arrester, for example in the transformerless current transformer in optoelectronic device, can have problems during MOV (metal oxide varistor) sustained short-circuit and be that reverse current by producing causes.
When changing the surge arrester of short circuit, there is in addition the danger that forms electric arc, because discharger is in short circuit and the electric current appearance of photocurrent generator in addition.Can not measuring voltage this attendant, because there is short-circuit conditions.While attempting changing discharger, produce dangerous interference arc below then.
For fear of above-mentioned shortcoming, in structure of the present invention and further scheme, to set, conducting element and switching device combination or conducting element itself are configured to the switching device in short circuit branch.
The bypass consisting of switching device in short-circuit conditions is not designed to continuous current bearing capacity at this.After fault current flows the regular hour, realize the disconnection of bypass.Conducting element causes can have the less cross section of current-carrying part and therefore can make at an easy rate by the not enough design of desired size (Unterdimensionierung).
Conducting element can be configured to safeties or there is power semiconductor or together with power semiconductor forming circuit, wherein power semiconductor is converted to open mode by means of initial pulse in guiding after short circuit current.
Graphical diagram semiconductor switch or safeties that the function of distributing to conducting element is used in right side in Fig. 7 represents.
Functional sequence can be as described in below.State 1. in surge arrester in regulation function in.
In the situation that surge arrester MOV transships, to position 2. the joint motion of hot type separator, moves to the tie point of the short-circuit component in bypass.Short-circuit component SE closes.The electric arc producing when opening hot type separator is guided by contact element and independently extinguishes when realizing short circuit contact.Directly after realizing short circuit contact arc extinction and electric current to flow through bypass be switching device SE.
After official hour, switching device SE opens and outage electric current.
Mechanical switching device, safeties and power semiconductor can be used as switching device.Also can adopt and be designed to be used in the gap in direct voltage loop.By switching device of the present invention, can be integrated in surge arrester, but be wherein possible with the combination of external switch device.After disconnection process, the overvoltage protection device of fault is separated by circuit, but keeps power supply.In order to carry out the opening procedure of switching device SE after definite time, switching device for example reduces by cross section and can be configured to fuse to a certain extent.
reference numerals list
1 has the separator of contact a, b and c
2 rheostats
3 tongues (the not position of operation)
3 ' tongue (position of operation)
4 short circuit camber members
The movable part of 4 ' short circuit camber member
4 " rigid element of short circuit camber member
5 points of rotation
6 springs
7 insulation boards
8 eccentric wheels
The 8 ' eccentric short operational stroke
8 " operational stroke of eccentric length
9 backstops
10 discharger shells
11 tension springs
13 separator frames
A the first coupling
B the second coupling
The joint of a rheostat contact site/on tongue
The position of the switch that b triggers
The position of the switch that c does not trigger
B ' the second rheostat contact site
14 soldering points
15 next doors
16 rheostat joints on soldering point
17 bridge shape camber members
18 plate shape ends
19 binding posts
20 recesses
21 for fixing member
SE switching device
Claims (27)
1. surge arrester, comprise that housing (10) is with at least one arresting element and for making described at least one arresting element separator separated with electrical network, this separator comprises soldering point (14), the electric access path (A that this soldering point is connected in surge arrester inside, B) in, movable conductor section (3) is connected with arresting element by soldering point (14) on the one hand, and conductor section is connected with the first electric coupling of surge arrester on the other hand, and surge arrester comprises the member that produces pretightning force, the force vector relevant with described pretightning force is applied in conductor section (3) along conductor section (3) detaching direction separated with arresting element by movable separator frame (13) indirectly or directly, it is characterized in that: in conductor section (3) thus separator be triggered and the motion path of conductor section when separated with arresting element in conducting element (4 is set, 17), thereby the first end of this conducting element separator be triggered and conductor section when separated with arresting element and conductor section (3) come in contact, the second end of this conducting element is connected with the second electric coupling of surge arrester and conducting element comprises switching device or is configured to switching device.
2. by surge arrester claimed in claim 1, it is characterized in that: conducting element is bridge shape camber member (17), its second end can be connected with the second coupling of electricity when the binding post (19) arranging for this bridge shape camber member is tightened.
3. by surge arrester claimed in claim 1; it is characterized in that: the first end of conducting element (4,17) has panel-like member (18), wherein panel-like member has the parallel orientation with respect to conductor section (3) in the conductor section separation case separated with arresting element.
4. by surge arrester claimed in claim 2; it is characterized in that: the first end of conducting element (4,17) has panel-like member (18), wherein panel-like member has the parallel orientation with respect to conductor section (3) in the conductor section separation case separated with arresting element.
5. by surge arrester claimed in claim 4, it is characterized in that: panel-like member (18) has the recess (20) for receiving the scolder spilling at it on the downside of the second end orientation of bridge shape camber member (17).
6. by the surge arrester described in claim 1 to 5 any one; it is characterized in that: conducting element (4,17) can be installed in surge arrester afterwards, to also realize the short trouble safety function of surge arrester except the separation function of surge arrester.
7. by the surge arrester described in claim 2,4 or 5, it is characterized in that: bridge shape camber member (17) has for being fixed on the member (21) of discharger shell (10) above or in this discharger shell.
8. by surge arrester claimed in claim 7, it is characterized in that: described member (21) be included in groove in bridge shape camber member (17) and with described groove complementation, for form shape sealed, in the projection of housing (10).
9. by the surge arrester described in claim 1 to 5 any one; it is characterized in that: in order to activate selectively, in the conductor section separation case separated with arresting element, play the conducting element (4,17) of short-circuiting device effect, insulation board (7) is arranged between conducting element (4,17) and conductor section (3) or conducting element (4,17) at least has the insulating case that can dismantle on its first end.
10. by the surge arrester described in claim 1 to 5 any one; it is characterized in that: in order to activate selectively the conducting element that plays short-circuiting device effect in the conductor section separation case separated with arresting element, can be adjusted in the relative distance between conducting element (4,17) and conductor section (3).
11. by the surge arrester described in claim 1 to 5 any one; it is characterized in that: in order activating selectively, in the conductor section separation case separated with arresting element, to play the conducting element (4,17) of short-circuiting device effect, to be used as the element of motion path nail or pin, restriction conductor section (3).
12. by surge arrester claimed in claim 9, it is characterized in that: insulation board (7) can pass from the outside housing (10) and be removed.
13. by the surge arrester described in claim 11, it is characterized in that: nail or pin can pass from the outside housing (10) and be removed.
14. by surge arrester claimed in claim 10, it is characterized in that: described relative distance can be by passing the approaching eccentric wheel (8) of housing (10) energy by means of instrument or manually being regulated by hand from the outside.
15. by the surge arrester described in claim 1 to 5 any one, it is characterized in that: when the short-circuit function of surge arrester activates, the short-circuit function of activation can be sent signal by indicating device.
16. by the surge arrester described in claim 1 to 5 any one, it is characterized in that: conductor section (3) consists of the material of inflexibility.
17. by the surge arrester described in claim 3 to 5 any one, it is characterized in that: panel-like member (18) and the distance between conductor section (3) at conducting element (4,17) can be by bending or crooked the changes or adjusting of panel-like member.
18. by the surge arrester described in claim 1 to 5 any one, it is characterized in that: conducting element is configured to safeties.
19. by the surge arrester described in claim 1 to 5 any one; it is characterized in that: conducting element there is power semiconductor or together with power semiconductor forming circuit, wherein power semiconductor is converted to off state by means of initial pulse in guiding after short circuit current.
20. by the surge arrester described in claim 1 to 5 any one, it is characterized in that: conducting element is determined like this size aspect cross section, makes to realize the disconnection that conduction connects after guiding short circuit current.
21. by the surge arrester described in claim 1 to 5 any one, it is characterized in that: conducting element can not carry short circuit continuous current.
22. by the surge arrester described in claim 1 to 5 any one, it is characterized in that: described arresting element is rheostat.
23. by the surge arrester described in claim 1 to 5 any one, it is characterized in that: the member of described generation pretightning force is spring (6,11).
24. surge arresters, comprise that housing (10) is with at least one arresting element and for making described at least one arresting element separator separated with electrical network, this separator comprises soldering point (14), the electric access path (A that this soldering point is connected in surge arrester inside; B) in; movable conductor section (3) is connected with arresting element by soldering point (14) on the one hand; and conductor section is connected with the first electric coupling of surge arrester on the other hand; and surge arrester comprises the member that produces pretightning force; the force vector relevant with described pretightning force is applied to conductor section (3) above by movable separator frame (13) along conductor section (3) detaching direction separated with arresting element indirectly or directly, it is characterized in that:
In conductor section (3) thus separator be triggered and the motion path of conductor section when separated with arresting element in conducting element (4,17) is set; the first end of this conducting element is triggered when also thereby conductor section is separated with arresting element and contacts with conductor section (3) at separator; the second end of this conducting element is connected with the second electric coupling of surge arrester; be provided with in addition protection member; the evil of the scolder residue of avoiding spilling for the protection of the contact point being arranged between conductor section (3) and conducting element (4,17)
In order to activate selectively, in the conductor section separation case separated with arresting element, play the conducting element (4,17) of short-circuiting device effect, insulation board (7) is arranged between conducting element (4,17) and conductor section (3) or conducting element (4,17) at least has the insulating case that can dismantle on its first end, or
In order to activate selectively the conducting element that plays short-circuiting device effect in the conductor section separation case separated with arresting element, can be adjusted in the relative distance between conducting element (4,17) and conductor section (3), or
In order activating selectively, in the conductor section separation case separated with arresting element, to play the conducting element (4,17) of short-circuiting device effect, to be used as the element of motion path nail or pin, restriction conductor section (3),
Wherein the short-circuit function of surge arrester is cancelled after the predetermined duration.
25. by the surge arrester described in claim 24, it is characterized in that: described arresting element is rheostat.
26. by the surge arrester described in claim 24, it is characterized in that: the member of described generation pretightning force is spring (6,11).
27. by the surge arrester described in claim 1 to 5 any one or 24 to 26 any one, it is characterized in that: this surge arrester is applied in optoelectronic device.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007051854.6A DE102007051854B4 (en) | 2006-11-09 | 2007-10-30 | Surge arrester with a housing and with at least one discharge element |
| DE102007051854.6 | 2007-10-30 | ||
| PCT/EP2008/064672 WO2009056565A1 (en) | 2007-10-30 | 2008-10-29 | Surge arrester having a housing and having at least one arrester element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101842947A CN101842947A (en) | 2010-09-22 |
| CN101842947B true CN101842947B (en) | 2014-03-26 |
Family
ID=40342142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200880113696.1A Active CN101842947B (en) | 2007-10-30 | 2008-10-29 | Surge arrester having a housing and at least one arrester element |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP2070168B1 (en) |
| CN (1) | CN101842947B (en) |
| AT (1) | ATE476004T1 (en) |
| DE (2) | DE102007051854B4 (en) |
| PL (1) | PL2070168T3 (en) |
| RU (1) | RU2474937C2 (en) |
| WO (1) | WO2009056565A1 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008016589A1 (en) * | 2008-03-31 | 2009-10-01 | Weidmüller Interface GmbH & Co. KG | guard |
| SI23303A (en) | 2010-02-19 | 2011-08-31 | ISKRA ZAĹ ÄŚITE d.o.o. | Overvoltage arrester with rotating disk and electronic component for improvement of operation reliability |
| DE102010047244A1 (en) | 2010-10-04 | 2012-04-05 | Phoenix Contact Gmbh & Co. Kg | Surge protector |
| DE102011011254A1 (en) | 2010-12-08 | 2012-06-14 | Dehn + Söhne Gmbh + Co. Kg | Surge arrester arrangement with at least one varistor discharge element |
| SI23749A (en) | 2011-05-11 | 2012-11-30 | ISKRA@ZAŠČITE@d@o@o | Redundant overvoltage arrester with rotary disc and with addition of electronic assembly for providing extension of lifetime of overvoltage element |
| DE102013003584B3 (en) | 2013-03-01 | 2014-04-03 | Dehn + Söhne Gmbh + Co. Kg | Separation and switching device for overvoltage protection |
| DE202013002222U1 (en) * | 2013-03-07 | 2013-06-24 | Dehn + Söhne Gmbh + Co. Kg | Overvoltage protection device with short-circuit function for plant and personnel protection |
| DE102016011076A1 (en) * | 2016-04-19 | 2017-10-19 | DEHN + SÖHNE GmbH + Co. KG. | Arrangement for overload protection of surge protective devices |
| DE102017107871B3 (en) | 2017-04-11 | 2018-08-09 | Dehn + Söhne Gmbh + Co. Kg | Separation and switching device for overvoltage protection, in particular for DC systems |
| EP3782174A1 (en) * | 2018-06-15 | 2021-02-24 | Siemens Energy Global GmbH & Co. KG | Surge arrester having a pressure relief device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3734214A1 (en) * | 1987-10-09 | 1989-04-20 | Dehn & Soehne | Arrangement for disconnecting a varistor |
| EP0860927A1 (en) * | 1997-02-12 | 1998-08-26 | Felten & Guilleaume Austria AG | Protection circuit arrangement for surge arrester |
| DE4124321C2 (en) * | 1991-07-23 | 2003-10-09 | Dehn & Soehne | Arrangement for the derivation of overvoltages |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3820272C1 (en) * | 1987-10-20 | 1989-04-06 | Krone Ag, 1000 Berlin, De | |
| DE4026004A1 (en) * | 1990-08-14 | 1992-02-20 | Krone Ag | PROTECTIVE CIRCUIT AND PROTECTIVE PLUG IN TELECOMMUNICATION SYSTEMS |
| DE9115238U1 (en) | 1991-12-05 | 1992-02-13 | Siemens Ag, 8000 Muenchen, De | |
| DE102006000919A1 (en) * | 2006-01-05 | 2007-07-19 | Dehn + Söhne Gmbh + Co. Kg | Plug-in surge arrester with one or more overvoltage protection elements |
| DE102006052955B4 (en) * | 2006-09-07 | 2020-07-02 | Dehn Se + Co Kg | Surge arrester with a housing and with at least one arrester element |
-
2007
- 2007-10-30 DE DE102007051854.6A patent/DE102007051854B4/en not_active Expired - Fee Related
-
2008
- 2008-10-29 WO PCT/EP2008/064672 patent/WO2009056565A1/en active Application Filing
- 2008-10-29 DE DE502008001020T patent/DE502008001020D1/en active Active
- 2008-10-29 CN CN200880113696.1A patent/CN101842947B/en active Active
- 2008-10-29 PL PL08831283T patent/PL2070168T3/en unknown
- 2008-10-29 AT AT08831283T patent/ATE476004T1/en active
- 2008-10-29 RU RU2010120019/07A patent/RU2474937C2/en not_active IP Right Cessation
- 2008-10-29 EP EP08831283A patent/EP2070168B1/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3734214A1 (en) * | 1987-10-09 | 1989-04-20 | Dehn & Soehne | Arrangement for disconnecting a varistor |
| DE4124321C2 (en) * | 1991-07-23 | 2003-10-09 | Dehn & Soehne | Arrangement for the derivation of overvoltages |
| EP0860927A1 (en) * | 1997-02-12 | 1998-08-26 | Felten & Guilleaume Austria AG | Protection circuit arrangement for surge arrester |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2474937C2 (en) | 2013-02-10 |
| EP2070168A1 (en) | 2009-06-17 |
| DE102007051854A1 (en) | 2009-05-07 |
| RU2010120019A (en) | 2011-12-10 |
| WO2009056565A1 (en) | 2009-05-07 |
| DE502008001020D1 (en) | 2010-09-09 |
| CN101842947A (en) | 2010-09-22 |
| EP2070168B1 (en) | 2010-07-28 |
| DE102007051854B4 (en) | 2017-05-04 |
| ATE476004T1 (en) | 2010-08-15 |
| PL2070168T3 (en) | 2011-03-31 |
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