CN204578085U - A kind of surge protection module of plug-in type - Google Patents
A kind of surge protection module of plug-in type Download PDFInfo
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- CN204578085U CN204578085U CN201520287111.5U CN201520287111U CN204578085U CN 204578085 U CN204578085 U CN 204578085U CN 201520287111 U CN201520287111 U CN 201520287111U CN 204578085 U CN204578085 U CN 204578085U
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- conductive contact
- protection module
- rotating turret
- surge protection
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Abstract
The utility model discloses a kind of surge protection module of plug-in type, comprise support, overvoltage Limiting element, the first conductive contact and the second conductive contact support be equipped with, overvoltage Limiting element be provided with the first electrode be connected the first conductive contact one end and form electrical connection, overvoltage Limiting element 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, 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; Described second conductive contact is provided with two conductive extensions; Described electric-conductor is by two sides and heat fused layer gold described second electrode of adhesion one and a described conductive extension respectively; Preferred described elastic component is extension spring; The utility model can bear larger surge current, and compact conformation, volume is little.
Description
Technical field
The utility model relates to surge protector, especially a kind of surge protection module being applied to the plug-in type of surge protector.
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 protection module 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.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of surge protection module of plug-in type, can bear larger surge current, and compact conformation, volume is little.
For achieving the above object, the technical solution of the utility model is: a kind of surge protection module of plug-in type, comprise support, overvoltage Limiting element, the first conductive contact and the second conductive contact support be equipped with, overvoltage Limiting element is provided with the first electrode and is connected the first conductive contact form electrical connection, and 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; 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.
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, the cross section of the contact end of described first conductive contact and the second conductive contact is W type.Clamping force will be produced during the contact end of such electric current by described first conductive contact and the second conductive contact and increase contact, furthermore achieved that large through-flow plug-in structure.
Preferred described elastic component is extension spring; Described heat fused layer gold is lead-free tin cream layer.
Further improvement, 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.
Further improvement, described support is also equipped with a displaceable remote signalling trigger member, remote signalling trigger member can be driven to be shifted when rotating turret of threading off rotates described at least one.Improve further again, described support is also equipped with a stage clip and withstands described remote signalling trigger member.
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; the contact end of described first conductive contact and one end of the second conductive contact are 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.The heat-sinking capability of insulation crust local can be increased like this, better to distribute the larger heat that described electric-conductor place produces.
Improve further, described insulation crust is provided with a watch window away from the contact end side of described first conductive contact again, to judge protection module status; The both sides of described support are provided with two clamping projections, and the both sides of described insulation crust are provided with two blocked holes and match with described two clamping projections, mutually locate to facilitate described support and described insulation crust.
The utility model is provided with two the second electrodes due to overvoltage Limiting element 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 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 just by two electrodes of two described conductive extension, two described electric-conductors and multiple heat fused layer gold electrical connection overvoltage Limiting elements, forms electrical connection effect in parallel, increase effectively surge current ability to bear.Through test, the utility model 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.
On the other hand, project organization symmetry of the present utility model is good, and compact conformation can be controlled in more among a small circle in the size of thickness direction especially, can meet the requirement complemented one another with surge protector base.
Accompanying drawing explanation
Fig. 1 is the utility model stereogram;
Fig. 2 is that the utility model hides insulation crust stereogram;
Fig. 3 is that the utility model hides insulation crust front view;
Fig. 4 is the A-A cutaway view of Fig. 3;
Fig. 5 is the stereogram that Fig. 2 hides support;
Fig. 6 is that the utility model overvoltage Limiting element and the first conductive contact are interconnected front view;
Fig. 7 is the B-B cutaway view of Fig. 6;
Fig. 8 is the utility model second conductive contact stereogram;
Fig. 9 is the utility model electric-conductor stereogram;
Figure 10 is the utility model dropout rotating turret stereogram;
Figure 11 is the utility model insulation crust top perspective view;
Figure 12 is the utility model insulation crust face upwarding stereogram.
Embodiment
Below in conjunction with accompanying drawing and concrete execution mode, the utility model is described in further detail.
Shown in Fig. 1 to Figure 12; a kind of surge protection module of plug-in type; comprise support 1, overvoltage Limiting element 2; described support 1 is made up of plastic material and is formed an insulating part; described support 1 can be generally designed to L shape; support 1 is equipped with the first conductive contact 3 and the second conductive contact 4, 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.
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 Fig. 6 and Fig. 7, 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, 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 pull 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 Fig. 9, 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 23 limit.
Can be found out further by Fig. 4, Fig. 7, Fig. 8, the cross section of the contact end of described first conductive contact 3 and the second conductive contact 4 is W type.This W type contact end, by forming clamping force during electric current, promotes through-current capability further, achieves large through-flow plug-in structure.
A displaceable remote signalling trigger member 9 described support 1 is also equipped with, remote signalling trigger member 9 is arranged near described first conductive contact 3, between remote signalling trigger member 9 and the first conductive contact 3, stage clip 10 is housed, 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 10, certainly, stage clip 10 also can be arranged between remote signalling trigger member 9 and described support 1, as long as can withstand remote signalling trigger member 9;
Described dropout rotating turret 5 is provided with a struck side 52 near the first conductive contact 3 side and matches with described remote signalling trigger member 9; described dropout rotating turret 5 is when described elastic component 6 pulls lower rotation; the elastic force displacement that remote signalling trigger member 9 overcomes stage clip 10, the remote signalling mechanism action of the trigger surge protection device that is shifted by remote signalling trigger member 9 are stirred in the struck side 52 of dropout rotating turret 5.
Composition graphs 1 again, Figure 11 and Figure 12 can find out, described surge protection module 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 protection module 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 23.
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.
Operating principle of the present utility model is as follows: in normal operation, and described surge protection module 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.
In addition; rotating turret 5 of threading off described at least one rotates simultaneously; the elastic force displacement that remote signalling trigger member 9 overcomes stage clip 10 is stirred in the struck side 52 of dropout rotating turret 5, and the remote signalling mechanism action of the trigger surge protection device that is shifted by remote signalling trigger member 9, is in malfunction with circuit.
Below be only the utility model preferred embodiment, those skilled in the art makes by claim the protection range that equivalent change all falls into this case.
Claims (10)
1. the surge protection module of a plug-in type, comprise support, overvoltage Limiting element, the first conductive contact and the second conductive contact support be equipped with, it is characterized in that: overvoltage Limiting element is provided with the first electrode and is connected the first conductive contact form electrical connection, and 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;
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. the surge protection module of a kind of plug-in type 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.
3. the surge protection module of a kind of plug-in type according to claim 2; 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.
4. the surge protection module of a kind of plug-in type according to claim 1, is characterized in that: the cross section of the contact end of described first conductive contact and the second conductive contact is W type.
5. the surge protection module of a kind of plug-in type according to claim 1, is characterized in that: described elastic component is extension spring; Described heat fused layer gold is lead-free tin cream layer.
6. the surge protection module of a kind of plug-in type 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.
7. the surge protection module of a kind of plug-in type according to claim 1, is characterized in that: described support is also equipped with a displaceable remote signalling trigger member, remote signalling trigger member can be driven to be shifted when rotating turret of threading off rotates described at least one.
8. the surge protection module of a kind of plug-in type according to claim 7, is characterized in that: described support is also equipped with a stage clip and withstands described remote signalling trigger member.
9. the surge protection module of a kind of plug-in type according to any one of claim 1 to 8; 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; the contact end of described first conductive contact and one end of the second conductive contact are 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.
10. the surge protection module of a kind of plug-in type according to claim 9, is characterized in that: described insulation crust is provided with a watch window away from the contact end side of described first conductive contact; The both sides of described support are provided with two clamping projections, and the both sides of described insulation crust are provided with two blocked holes and match with described two clamping projections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520287111.5U CN204578085U (en) | 2015-05-06 | 2015-05-06 | A kind of surge protection module of plug-in type |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520287111.5U CN204578085U (en) | 2015-05-06 | 2015-05-06 | A kind of surge protection module of plug-in type |
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| Publication Number | Publication Date |
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| CN204578085U true CN204578085U (en) | 2015-08-19 |
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| CN201520287111.5U Active CN204578085U (en) | 2015-05-06 | 2015-05-06 | A kind of surge protection module of plug-in type |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602536A (en) * | 2017-02-24 | 2017-04-26 | 厦门宏发开关设备有限公司 | Surge protection module |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602536A (en) * | 2017-02-24 | 2017-04-26 | 厦门宏发开关设备有限公司 | Surge protection module |
| CN106602536B (en) * | 2017-02-24 | 2018-12-21 | 厦门宏发开关设备有限公司 | A kind of surge protection module |
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| GR01 | Patent grant |