CN104810814A - Chase-flow surge protector - Google Patents
Chase-flow surge protector Download PDFInfo
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- CN104810814A CN104810814A CN201510224964.9A CN201510224964A CN104810814A CN 104810814 A CN104810814 A CN 104810814A CN 201510224964 A CN201510224964 A CN 201510224964A CN 104810814 A CN104810814 A CN 104810814A
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- conductive contact
- depression bar
- rotating turret
- surge protector
- conductive
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Abstract
The invention discloses a chase-flow surge protector which comprises a base and a surge protecting module inserted in the base. The surge protecting module comprises a support and an overvoltage limit element, a first and second conductive contacts are installed on the support, a first electrode arranged on the overvoltage limit element is fixedly connected with the first conductive contact and is electrically connected with the same, and two second electrodes are arranged on two opposite outer surfaces of the overvoltage limit element; two tripping rotation frames are respectively arranged at the positions close to the two second electrodes, the tripping rotation frames are pivotally connected on the support, an electric piece is installed between each tripping rotation frame and the support, and a conductive piece is fixedly connected to each tripping rotation frame; the second conductive contact is provide with two conduction extension portions; the conductive pieces are respectively adhered to one second electrode and one conductive extension portion through two sides faces and a hot-melt alloy layer; preferentially, the elastic pieces adopt springs. By the arrangement, the chase-flow surge protector can bear larger surge current, compact in structure, small in size and good in maintenance performance.
Description
Technical field
The present invention relates to surge protector, especially a kind of surge protector through-flow greatly.
Background technology
Surge protector is a kind of overvoltage control device in electronic equipment, and the past also claims " overvoltage protection device ".The effect of surge protector is scurrying into power line, in the instantaneous overvoltage of signal transmssion line is limited in equipment or system can bear voltage range, or powerful lightning current earial drainage is entered ground, protects protected equipment or system are not hit and damage.
The structure of existing a part of surge protector is divided into two parts, a part is base, another part is surge protection module, surge protection module and base realize plug-in and are connected, base is provided with two conductor terminals and is connected with the line electricity of electronic equipment, surge protection module is provided with two electrical contacts and contacts connection respectively with the conductor terminal of two on base, after the overvoltage Limiting element long-play on surge protection module is aging, leakage current can increase, surge protection module is now needed to realize trip action, leakage current loop on overvoltage Limiting element is disconnected, in case stopping leak leakage current increases cause power supply short circuit.Due to surge protection module realize trip action after need to change and maintenance, adopt plug-in surge protection module just can realize quick-replaceable like this, maintainability better, to guarantee the normal use of electronic equipment.
But the surge protector of existing plug-in is due to small volume; particularly gauge is restricted; the surge current that can bear is less, usually can only bear the ability of below 80KA surge current, the needs of the electronic equipment bearing larger surge current that can not meet the demands.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of surge protector through-flow greatly, and it can bear larger surge current, and compact conformation, volume is little, and maintainability is good.
For achieving the above object, technical scheme of the present invention is: a kind of surge protector through-flow greatly, comprise base, surge protection module, base is equipped with mutual electric isolution first conduct electricity splicing ear and second conduction splicing ear, described surge protection module comprises support, overvoltage Limiting element, the first conductive contact and the second conductive contact support be equipped with, one end of first conductive contact is plugged on described first conduction splicing ear, one end of second conductive contact is plugged on described second conduction splicing ear, described overvoltage Limiting element be provided with the first electrode be connected the first conductive contact the other end and form electrical connection, overvoltage Limiting element is also provided with two the second electrodes on its relative two outer surfaces, a dropout rotating turret is respectively being provided with near two described second electrode places, the pivot joint of dropout rotating turret on the bracket, an elastic component is housed between each dropout rotating turret and described support rotate to drive dropout rotating turret, each dropout rotating turret is connected an electric-conductor, the other end of described second conductive contact is provided with two conductive extensions, a side of described electric-conductor is by described second electrode of heat fused layer gold adhesion one, and another side of described electric-conductor is by heat fused layer gold adhesion described conductive extension.
Further improvement, it is W type that described first conductive contact and described first conducts electricity the cross section that splicing ear plugs one end, and described first conduction splicing ear is provided with two grafting through holes matched with described first conductive contact; It is W type that described second conductive contact and described second conducts electricity the cross section that splicing ear plugs one end, and described second conduction splicing ear is provided with two grafting through holes matched with described second conductive contact.Clamping force will be produced increase during the W type contact end of such electric current by the first conductive contact and the second conductive contact and conduct electricity splicing ear and described second with described first and conduct electricity splicing ear contact, furthermore achieved that large through-flow plug-in structure.
Preferred described elastic component is extension spring, and described heat fused layer gold is lead-free tin cream layer.
Preferred described overvoltage Limiting element comprises two piezo-resistances, be coated with insulating barrier outside two piezo-resistances and form a blocks, described first electrode is arranged on the side of this blocks, two described second electrodes are arranged on two opposing end surfaces of this blocks, one end of two piezo-resistances is connected together on the first electrode and forms electrical connection, and the other end of two piezo-resistances to be connected in respectively on two described second electrodes and to form electrical connection.
Further improvement, described dropout rotating turret is provided with a spacing indication end away from the side of the first conductive contact, and this spacing indication end contacts the rotation of rotating turret of threading off described in described blocks limit.Both can protect described dropout rotating turret by this spacing indication end, and also indicate described dropout rotating turret to be in which kind of operating state by this spacing indication end.
Further improvement; described surge protection module also comprises a box-like insulation crust; the side of insulation crust is provided with an opening; each parts on described surge protection module load in insulation crust by this opening; one end of described first conductive contact and the second conductive contact is exposed to outside this insulation crust; the partial outer face of this insulation crust near described electric-conductor place is provided with the groove caved inward, and this groove is distributed with several thermal columns.Insulation crust can be increased like this in the local heat-sinking capability near described electric-conductor place, better to distribute the larger heat that described electric-conductor place produces.
Improve further, described base is U-shape again, and two medial surfaces of base are provided with two gathering sills, and two lateral surfaces of described insulation crust are provided with two guide protrusions and match with described two gathering sills.Described surge protection module and base can be better made mutually to locate like this.
A side of preferred described electric-conductor is provided with corresponding described second electrode of the first connecting end surface, and another side of described electric-conductor is provided with the corresponding described conductive extension of the second connecting end surface, and described first connecting end surface and the second connecting end surface stagger setting mutually.
Further improvement, described base is built with a sensitive switch, and described base also connects a remote signalling plug, remote signalling plug is electrically connected with sensitive switch; The middle part of one depression bar is articulated in described base and close sensitive switch place, and described base is built with a torsion spring, and one end of torsion spring is pressed on depression bar, and one end that torsion spring orders about depression bar presses to sensitive switch; The displaceable dress of one push rod on the bracket in, one end of push rod is stretched in described base and is withstood the depression bar other end, depression bar overcome under the effect of push rod torsion spring elastic force rotate make depression bar one end depart from sensitive switch; When rotating turret of threading off described at least one rotates, described dropout rotating turret drives push rod displacement, and the constraint to depression bar removed by push rod, and depression bar orders about lower rotation at torsion spring makes one end of depression bar push down sensitive switch.Increase remote signaling function is set by these, and to be in force-free state for a long time not fragile due to sensitive switch, improves the reliability of remote signaling function.
Improve further, described support is also equipped with a stage clip and pushes down push rod, the other end of depression bar is withstood in one end that stage clip orders about push rod.To guarantee that push rod reliably can withstand depression bar.
The present invention has following beneficial effect:
1, the first conductive contact on surge protection module and one end of the second conductive contact are plugged on described first conduction splicing ear and described second conduction splicing ear respectively; surge protection module and base form socket connection; facilitate the repair and replacement of surge protection module, maintainability is better.
2, because the overvoltage Limiting element on surge protection module is provided with two the second electrodes on its relative two outer surfaces, a dropout rotating turret is respectively being provided with near two described second electrode places, each dropout rotating turret is connected an electric-conductor, and the other end of described second conductive contact is provided with two conductive extensions; A side of described electric-conductor is by described second electrode of heat fused layer gold adhesion one, and another side of described electric-conductor is by heat fused layer gold adhesion described conductive extension.Described like this second conductive contact is just by two described conductive extension, two described electric-conductors and multiple heat fused layer gold electrical connection overvoltage Limiting elements, form electrical connection effect in parallel, increase effectively surge current ability to bear, achieve through-flow greatly under the prerequisite of plug-in structure.Through test, the present invention bears surge current can reach more than 120KA.So both improve the fail safe of use, also can meet the requirement of more polyelectron equipment.
3, project organization symmetry of the present invention is good, and compact conformation can be controlled in more among a small circle in the size of thickness direction especially, is conducive to the miniaturization of product.
4, the present invention adds remote signaling function by further improving, and due to sensitive switch, to be in force-free state for a long time not fragile, also improves the reliability of remote signaling function.
5, insulation shell of the present invention has the heat-sinking capability of local preferably in the architectural feature at the described electric-conductor place of correspondence, better can distribute the larger heat that described electric-conductor place produces, to protect surge protection module.
Accompanying drawing explanation
Fig. 1 is stereogram of the present invention;
Fig. 2 is that the present invention hides base stereogram;
Fig. 3 is that splicing ear stereogram is conducted electricity in the present invention first;
Fig. 4 is that splicing ear stereogram is conducted electricity in the present invention second;
Fig. 5 is surge protection module stereogram of the present invention;
Fig. 6 is that surge protection module of the present invention hides insulation crust stereogram;
Fig. 7 is that surge protection module of the present invention hides insulation crust front view;
Fig. 8 is the A-A cutaway view of Fig. 7;
Fig. 9 is the stereogram that Fig. 6 hides support;
Figure 10 is that overvoltage Limiting element of the present invention and the first conductive contact are interconnected front view;
Figure 11 is the B-B cutaway view of Figure 10;
Figure 12 is the present invention second conductive contact stereogram;
Figure 13 is electric-conductor stereogram of the present invention;
Figure 14 is that the present invention threads off rotating turret stereogram;
Figure 15 is insulation crust top perspective view of the present invention;
Figure 16 is insulation crust face upwarding stereogram of the present invention;
Figure 17 is that remote signalling of the present invention triggers push rod stereogram;
Figure 18 is the stereogram of base of the present invention.
Embodiment
Below in conjunction with accompanying drawing and concrete execution mode, the present invention is described in further detail.
Shown in Fig. 1 to Figure 18; a kind of surge protector through-flow greatly; comprise base 10, surge protection module 20; base 10 is equipped with mutual electric isolution first and conducts electricity splicing ear 30 and the second conduction splicing ear 40; described surge protection module 20 adopts the mode of grafting to be connected on described base 10; the first conduction splicing ear 30 of the present embodiment is identical with the physical dimension of the second conduction splicing ear 40, and position can exchange.
Described surge protection module 20 comprises support 1, overvoltage Limiting element 2, described support 1 is made up of plastic material and is formed an insulator, described support 1 can be generally designed to L shape, the first conductive contact 3 and the second conductive contact 4 support 1 be equipped with, in order to install and fix the first conductive contact 3 and the second conductive contact 4, described support 1 can be designed to the mutual clamping of two parts and form;
One end of first conductive contact 3 is contact end 31, the other end is link 32, one end of second conductive contact 4 is contact end 41, the other end is link 42, and the contact end 31 of the first conductive contact 3 and the contact end 41 of the second conductive contact 4 are in the same side of described support 1;
Can be found out further by Fig. 2, Fig. 3, Fig. 4, Fig. 8, Figure 11, Figure 12, the cross section of the contact end 31 of described first conductive contact 3 is W type, described first conduction splicing ear 30 is provided with two grafting through holes 301, and the contact end 31 of described first conductive contact 3 is plugged on two grafting through holes 301 of described first conduction splicing ear 30; The cross section of the contact end 41 of described second conductive contact 4 is W type, described second conduction splicing ear 40 is provided with two grafting through holes 401, and the contact end 41 of described second conductive contact 4 is plugged on two grafting through holes 401 of described second conduction splicing ear 40; The W type contact end of described first conductive contact 3 and the second conductive contact 4 is by forming clamping force during electric current, the splicing ear 30 and described second that better conducts electricity with described first conducts electricity splicing ear 40 and is combined, further lifting through-current capability, achieves large through-flow plug-in structure.
Overvoltage Limiting element 2 be provided with the first electrode 21 be connected the first conductive contact 3 link 32 and form electrical connection, overvoltage Limiting element 2 is provided with two the second electrodes 22 on its relative two outer surfaces, can be found out further by Figure 10 and Figure 11, its concrete structure is: described overvoltage Limiting element 2 comprises piezo-resistance 23, be coated with insulating barrier outside two piezo-resistances 23 and form a blocks 24, described first electrode 21 is arranged on the side of this blocks 24, two described second electrodes 22 are arranged on two opposing end surfaces of this blocks 24, each described second electrode 22 slightly can protrude from this residing end face, one end of two piezo-resistances 23 to be connected in together on described first electrode 21 and to form electrical connection, the other end of two piezo-resistances 23 to be connected in respectively on two described second electrodes 22 and to form electrical connection.
A dropout rotating turret 5 is respectively being provided with near two described second electrode 22 places, each dropout rotating turret 5 is articulated on described support 1, an elastic component 6 is housed between each dropout rotating turret 5 and described support 1 rotate to drive dropout rotating turret 5, each dropout rotating turret 5 is connected an electric-conductor 7, and this elastic component 6 of the present embodiment is preferably extension spring;
The link 42 of described second conductive contact 4 is provided with two conductive extensions 421, and each conductive extension 421 extends to the side of a dropout rotating turret 5;
A side of described electric-conductor 7 is by described second electrode 22 of heat fused layer gold 8 adhesion one, and another side of described electric-conductor 7 is also by the described conductive extension 421 of heat fused layer gold 8 adhesion one.Concrete structure is: described electric-conductor 7 is made up of copper coin punching press, and the side of described electric-conductor 7 is provided with between corresponding described second electrode 22, first connecting end surface 71 of the first connecting end surface 71 and described second electrode 22 mutually bonding by heat fused layer gold 8; The opposite side of described electric-conductor 7 is provided with between corresponding described conductive extension 421, second connecting end surface 72 of the second connecting end surface 72 and described conductive extension 421 mutually bonding by heat fused layer gold 8; Also can find out further from Figure 13, the first connecting end surface 71 and the second connecting end surface about 72 stagger setting mutually;
The heat fused layer gold 8 of the present embodiment selects lead-free tin cream layer, and preferably lead-free tin cream is the hot melt alloy containing tin, bismuth and silver further, and preferably the melt temperature of this lead-free tin cream is 172 ° of C.
Described dropout rotating turret 5 is provided with a spacing indication end 51 away from the side of the first conductive contact 3, and this spacing indication end 51 contacts the rotation of rotating turret 5 of threading off described in described blocks 24 limit.
Described support 1 is also equipped with a displaceable push rod 9, the described push rod 9 of the present embodiment is articulated on a bearing pin of support 1 by it being arranged a through hole 91; Described base 10 is built with a sensitive switch 50, and described base 10 also connects a remote signalling plug 60, remote signalling plug 60 is electrically connected with sensitive switch 50, the pin of the present embodiment sensitive switch 50 is directly plugged on remote signalling plug 60, with simplified structure, conserve space and cost, also convenient for assembly;
The middle part of one depression bar 70 is articulated in described base 10 and close sensitive switch 50 place, and described base 10 is built with a torsion spring 80, and one end of torsion spring 80 is pressed on depression bar 70, and one end that torsion spring 80 orders about depression bar 70 presses to sensitive switch 50;
Described push rod 9 is provided with top pressure side 92 in its one end, two drive ends 93 are provided with in its both sides, described support 1 is equipped with a stage clip 90 and pushes down push rod 9, push rod 9 is provided with one end that a shrinkage pool 94 entangles stage clip 90, the described push rod 9 of the present embodiment is arranged near described first conductive contact 3, stage clip 90 is between described push rod 9 and the first conductive contact 3, the middle part of the first conductive contact 3 is also provided with one protruding 33 and socket-connects with one end of stage clip 90, the top pressure side 92 of described push rod 9 stretches into the other end withstanding depression bar 70 in base 10, the torsion that depression bar 70 overcomes torsion spring 80 under the effect of push rod 9 rotates the other end disengaging sensitive switch 50 making depression bar 70,
Each described dropout rotating turret 5 is provided with a struck side 52 near the first conductive contact 3 side and matches with a drive end 93 of described push rod 9, when each described dropout rotating turret 5 rotates under described elastic component 6 drives, described push rod 9 one drive ends 93 can be stirred in the struck side 52 of dropout rotating turret 5 makes described push rod 9 overcome the elastic force displacement of stage clip 90, the top pressure side 92 of push rod 9 just removes the constraint to depression bar 70 other end, and depression bar 70 orders about lower rotation at torsion spring 80 makes one end of depression bar 70 push down sensitive switch 50.
Composition graphs 5 again, Figure 15 and Figure 16 can find out, described surge protection module 20 also comprises a box-like insulation crust 11, insulation crust 11 can adopt transparent plastic material to make, the side of insulation crust 11 is provided with an opening 111, each parts on described surge protection module 20 are inserted in insulation crust 11 by this opening 111, the contact end 31 of described first conductive contact 3 and the contact end 41 of the second conductive contact 4 are exposed to outside this insulation crust 11, the partial outer face of this insulation crust 11 near described electric-conductor 7 place is provided with the groove 112 caved inward, this groove 112 is distributed with several thermal columns 113.
Described insulation crust 11 is provided with a watch window 114 away from described first conductive contact 3 contact end 31 side.Spacing indication end 51 can be seen by this watch window 114 when described spacing indication end 51 contacts described blocks 24.
The both sides of described support 1 are provided with two clamping projections 12, and the both sides of described insulation crust 11 are provided with two blocked holes 115 and match with described two clamping projections 12.
Also be provided with a draw-in groove 116 in described insulation crust 11 medial surface side, positioning protrusion 241 be set in the side of the blocks 24 of overvoltage Limiting element 2 and match with described draw-in groove 116, be so more conducive to location overvoltage Limiting element 2.
Described support 1 between the first conductive contact 3 and the second conductive contact 4 is equipped with an identification elements 13.
Again in conjunction with shown in Figure 15, Figure 16, Figure 18, described base 10 is U-shape, and two medial surfaces of base 10 are provided with two gathering sills 101, and two lateral surfaces of described insulation crust 11 are provided with two guide protrusions 116 and match with described two gathering sills 101.
In order to keep the integrality of product, the base 10 of the present embodiment also needs the end cap that is connected, not shown reason is in order to each parts in base 10 and position relationship are better described.
Operating principle of the present invention is as follows: be connected with outside line with the second conduction splicing ear 40 by the first conduction splicing ear 30 on base 10, in normal operation, described surge protection module 20 is failure to actuate;
Once piezo-resistance 23 long-play of overvoltage Limiting element 2 aging after, when leakage current increases, stick in heat fused layer gold 8 on described electric-conductor 7 two sides can melt, at least one dropout rotating turret 5 is made to pull lower rotation at described elastic component 6, described electric-conductor 7 is made to depart from described second electrode 22 and described conductive extension 421, the leakage current loop of piezo-resistance 23 is disconnected, in case stopping leak leakage current increases cause power supply short circuit.
Rotating turret 5 of threading off described at least one rotates simultaneously; struck side 52 drive end 93 simultaneously stirred on push rod 9 of dropout rotating turret 5 makes push rod 9 overcome the elastic force displacement of stage clip 90; the top pressure side 92 of push rod 9 removes the constraint to depression bar 70 other end; depression bar 70 orders about lower rotation at torsion spring 80 makes one end of depression bar 70 push down sensitive switch 50; sensitive switch 50 closes; by remote signalling plug 60 output action signal, instruction surge protector is in malfunction, needs to change.
Below be only the present invention's preferred embodiment, those skilled in the art makes by claim the protection range that equivalent change all falls into this case.
Claims (10)
1. a large through-flow surge protector; comprise base, surge protection module; base is equipped with mutual electric isolution first conduct electricity splicing ear and second conduction splicing ear; described surge protection module comprises support, overvoltage Limiting element; the first conductive contact and the second conductive contact support be equipped with; one end of first conductive contact is plugged on described first conduction splicing ear, and one end of the second conductive contact is plugged on described second conduction splicing ear, it is characterized in that:
Described overvoltage Limiting element be provided with the first electrode be connected the first conductive contact the other end and form electrical connection, overvoltage Limiting element is also provided with two the second electrodes on its relative two outer surfaces;
A dropout rotating turret is respectively being provided with near two described second electrode places, the pivot joint of dropout rotating turret on the bracket, an elastic component is housed between each dropout rotating turret and described support rotate to drive dropout rotating turret, each dropout rotating turret is connected an electric-conductor;
The other end of described second conductive contact is provided with two conductive extensions;
A side of described electric-conductor is by described second electrode of heat fused layer gold adhesion one, and another side of described electric-conductor is by heat fused layer gold adhesion described conductive extension.
2. a kind of surge protector through-flow greatly according to claim 1, it is characterized in that: it is W type that described first conductive contact and described first conducts electricity the cross section that splicing ear plugs one end, and described first conduction splicing ear is provided with two grafting through holes matched with described first conductive contact;
It is W type that described second conductive contact and described second conducts electricity the cross section that splicing ear plugs one end, and described second conduction splicing ear is provided with two grafting through holes matched with described second conductive contact.
3. a kind of surge protector through-flow greatly according to claim 1, it is characterized in that: described elastic component is extension spring, described heat fused layer gold is lead-free tin cream layer.
4. a kind of surge protector through-flow greatly according to claim 1; it is characterized in that: described overvoltage Limiting element comprises two piezo-resistances; be coated with insulating barrier outside two piezo-resistances and form a blocks; described first electrode is arranged on the side of this blocks; two described second electrodes are arranged on two opposing end surfaces of this blocks; one end of two piezo-resistances is connected together on the first electrode and forms electrical connection, and the other end of two piezo-resistances to be connected in respectively on two described second electrodes and to form electrical connection.
5. a kind of surge protector through-flow greatly according to claim 4; it is characterized in that: described dropout rotating turret is provided with a spacing indication end away from the side of the first conductive contact, this spacing indication end contacts the rotation of rotating turret of threading off described in described blocks limit.
6. a kind of surge protector through-flow greatly according to claim 1; it is characterized in that: described surge protection module also comprises a box-like insulation crust; the side of insulation crust is provided with an opening; each parts on described surge protection module load in insulation crust by this opening; one end of described first conductive contact and the second conductive contact is exposed to outside this insulation crust; the partial outer face of this insulation crust near described electric-conductor place is provided with the groove caved inward, and this groove is distributed with several thermal columns.
7. a kind of surge protector through-flow greatly according to claim 6; it is characterized in that: described base is U-shape; two medial surfaces of base are provided with two gathering sills, and two lateral surfaces of described insulation crust are provided with two guide protrusions and match with described two gathering sills.
8. a kind of surge protector through-flow greatly according to claim 1; it is characterized in that: a side of described electric-conductor is provided with corresponding described second electrode of the first connecting end surface; another side of described electric-conductor is provided with the corresponding described conductive extension of the second connecting end surface, and described first connecting end surface and the second connecting end surface stagger setting mutually.
9. a kind of surge protector through-flow greatly according to any one of claim 1 to 8, is characterized in that: described base is built with a sensitive switch, and described base also connects a remote signalling plug, remote signalling plug is electrically connected with sensitive switch;
The middle part of one depression bar is articulated in described base and close sensitive switch place, and described base is built with a torsion spring, and one end of torsion spring is pressed on depression bar, and one end that torsion spring orders about depression bar presses to sensitive switch;
The displaceable dress of one push rod on the bracket in, one end of push rod is stretched in described base and is withstood the depression bar other end, depression bar overcome under the effect of push rod torsion spring elastic force rotate make depression bar one end depart from sensitive switch;
When rotating turret of threading off described at least one rotates, described dropout rotating turret drives push rod displacement, and the constraint to depression bar removed by push rod, and depression bar orders about lower rotation at torsion spring makes one end of depression bar push down sensitive switch.
10. a kind of surge protector through-flow greatly according to claim 9, is characterized in that: described support is also equipped with a stage clip and pushes down push rod, and the other end of depression bar is withstood in one end that stage clip orders about push rod.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510224964.9A CN104810814B (en) | 2015-05-06 | 2015-05-06 | A kind of big through-flow surge protector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510224964.9A CN104810814B (en) | 2015-05-06 | 2015-05-06 | A kind of big through-flow surge protector |
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| CN104810814A true CN104810814A (en) | 2015-07-29 |
| CN104810814B CN104810814B (en) | 2018-06-08 |
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| CN201510224964.9A Active CN104810814B (en) | 2015-05-06 | 2015-05-06 | A kind of big through-flow surge protector |
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| CN106602536A (en) * | 2017-02-24 | 2017-04-26 | 厦门宏发开关设备有限公司 | Surge protection module |
| CN108962695A (en) * | 2017-05-23 | 2018-12-07 | 町洋企业股份有限公司 | Signal feedback device |
| EP3349318A4 (en) * | 2015-09-07 | 2019-07-17 | Seari Electric Technology Co., Ltd. | Surge protection device base |
| US10529508B2 (en) | 2017-06-27 | 2020-01-07 | Dinkle Enterprise Co., Ltd. | Signal feedback apparatus |
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| Publication number | Publication date |
|---|---|
| CN104810814B (en) | 2018-06-08 |
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