CN104659502A - Surge protector - Google Patents
Surge protector Download PDFInfo
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- CN104659502A CN104659502A CN201310585812.2A CN201310585812A CN104659502A CN 104659502 A CN104659502 A CN 104659502A CN 201310585812 A CN201310585812 A CN 201310585812A CN 104659502 A CN104659502 A CN 104659502A
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- circuit board
- printed circuit
- pcb
- module
- frame shell
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Abstract
The invention provides a surge protector which comprises a machine seat capable of being fixed on a guide rail and a pluggable module capable of being inserted into the machine seat, wherein the pluggable module comprises a cover-shaped module shell, a first printed circuit board, a second printed circuit board and a module bottom cover, wherein the first printed circuit board and the second printed circuit board are relatively arranged in the module shell in parallel, a necessary current leakage distance and an air distance are formed between the first printed circuit board and the second printed circuit board, and the first printed circuit board and the second printed circuit board are respectively provided with claw pieces used for being connected with rows of wiring terminals; the module bottom cover is inserted into the bottom end of the module shell, is provided with positioning grooves used for fixing the first printed circuit board and the second printed circuit board and allowing the claw pieces to extend out; the machine seat comprises a machine seat shell and a grounding contact, wherein through grooves for allowing the claw pieces to pass through are formed in the top of the machine seat shell, and a connecting module connected with the claw pieces is arranged inside the machine seat shell; the grounding contact is inserted into the bottom end of the machine seat shell to fix the machine seat shell and the guide rail; the grounding contact comprises grounding metals connected with the claw pieces in the first printed circuit board and the second printed circuit board. The surge protector provided by the invention can be used for restraining surge on a line in the structure of rows of wiring terminals.
Description
Technical field
The present invention relates to the protective device technical field of utensil and equipment, the technical field of special facilities protection electronic component, is specially a kind of Surge Protector.
Background technology
Surge Protector a kind ofly provides the electronic installation of security protection for various electronic equipment, instrument and meter, communication line.When producing suddenly peak current or voltage because of extraneous interference in electric loop or communication line, Surge Protector can be shunted within the extremely short time in conducting, thus avoids surge to the infringement of other equipment in loop.
Surge Protector (Surge protection Device) is indispensable a kind of device in electronic equipment lightning protection, and the past is often called " lightning arrester " or " overvoltage protection device " English is abbreviated as SPD.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.It is different that the type of Surge Protector and structure press different purposes, but it at least should comprise a non-linear voltage limiting element.
Surge is also surging, as the term suggests be exactly the transient overvoltage exceeding normal working voltage.Essentially; surge occurs in the violent pulse of one in only millions of/mono-second time; the reason of surge may be caused to have: jumbo, short circuit, electrical source exchange or big-block engine and effectively can absorb the huge energy of burst containing the product of surge insulation device, impaired to protect connection device to avoid.
Lightning Disaster is one of the most serious natural calamity, and the casualties that the whole world causes because of Lightning Disaster every year, property loss are countless.Along with the extensive application of electronics, the integrated equipment of microelectronics, the damage of the system that lightning overvoltage and LEMP cause and equipment gets more and more.Therefore, solution building and electronic information the Lightning Protection problem seem very important as early as possible.Along with the increasingly stringent that relevant device requires lightning protection, the surge on Surge Protector limiting circuitry and one of instantaneous overvoltage, the overcurrent important step becoming Modern Lightning Protection Technology of releasing on circuit are installed.
License of the prior art number is CN101438462B; denomination of invention is that the overvoltage arrester of multipole in panel wiring terminal structure discloses a kind of Surge Protector; it fixes the sandwich type structure be made up of first, second and third printed circuit board (PCB) and scaffold with surrounding by housing; what realize its printed circuit board (PCB) by this arranges the reasonability of structure in little space, and its 3rd printed circuit board (PCB) arranges the device (or circuit) for monitoring protection component in first and second printed circuit board (PCB).But the printed circuit board (PCB) quantity comprised in Surge Protector disclosed in this file is too much, causes complex structure.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of Surge Protector, for eliminating the surge in panel wiring terminal structure on limiting circuitry with more succinct structure.
For achieving the above object and other relevant objects, the invention provides a kind of Surge Protector, for being connected with panel wiring terminal structure to suppress the surge on connection terminal structure circuit in a row, described Surge Protector comprises the support that can be fixed on guide rail and the plug-in module that can insert in this support, and described plug-in module comprises: in hood-like module housing; First printed circuit board (PCB) and the second printed circuit board (PCB), opposing parallelly being arranged in described module housing and having necessary leakage distance and air distance between the first printed circuit board (PCB) and the second printed circuit board (PCB), the first printed circuit board (PCB) and the second printed circuit board (PCB) all have the calvus for being connected with described panel wiring terminal; Module bottom, is inserted in the bottom of described module housing, is provided with for fixing described first printed circuit board (PCB) and described second printed circuit board (PCB) and the location notch leant out for the calvus in described first printed circuit board (PCB) and described second printed circuit board (PCB); Described support comprises: frame shell, top has the groove passed through for the calvus in described first printed circuit board (PCB) and described second printed circuit board (PCB), and inside has the link block be connected with the calvus in described second printed circuit board (PCB) with described first printed circuit board (PCB); Grounding contact, is inserted in the bottom of described frame shell for supporting described frame shell and described frame shell and described guide rail being fixed; Described grounding contact comprises being connected with the calvus in described second printed circuit board (PCB) with described first printed circuit board (PCB) makes described first printed circuit board (PCB) and described second printed circuit board (PCB) set up the grounded metal be electrically connected.
As a preferred embodiment of the present invention, described module housing is each side provided with the first snap fit, and described frame shell both sides are respectively provided with a snap fit groove, and described in when described plug-in module inserts described support, the first snap fit snaps in described snap fit groove; Also respectively there is a dismounting briquetting the described module housing left and right sides, and described in when extruding described dismounting briquetting, the first snap fit exits described snap fit groove.
As a preferred embodiment of the present invention, described dismounting briquetting is provided with some antiskid grooves.
As a preferred embodiment of the present invention, described module housing is each side provided with a first snap fit hole, described module bottom both sides are respectively provided with second snap fit, when described module bottom is inserted in described module housing bottom, described second snap fit snaps in and is fixed on described first snap fit hole.
As a preferred embodiment of the present invention, described module housing is each side provided with a gathering sill, and in corresponding described frame shell, correspondence is provided with guide edge, in order to lead when described plug-in module inserts described support.
As a preferred embodiment of the present invention, described module housing surface is provided with arrow, and in described frame shell, correspondence is provided with sign, in order to lead when described plug-in module inserts described support.
As a preferred embodiment of the present invention, the surface of described module housing is provided with the label display layer showing Surge Protector label.
As a preferred embodiment of the present invention, the one side of described first printed circuit board (PCB) and the one side of described second printed circuit board (PCB) scribble electrodeposited coating, and when described first printed circuit board (PCB) and described second printed circuit board (PCB) load described module housing, two electrodeposited coatings are relative.
As a preferred embodiment of the present invention, the inwall of the interior both sides relatively of module housing is respectively formed and passes through for the first printed circuit board (PCB) and the second printed circuit board (PCB) and fix the slot of the first printed circuit board (PCB) and the second printed circuit board (PCB) respectively.
As a preferred embodiment of the present invention, on module housing inwall, two slots of the same side are one group, the spacing of two group slots of inwall both sides is different, and the spacing of two group slots is corresponding with the width of the first printed circuit board (PCB) and the width of the second printed circuit board (PCB) respectively.
As a preferred embodiment of the present invention, the outboard end mouthpiece of described slot has chamfering.
As a preferred embodiment of the present invention, described module bottom bottom outside has avoiding misinsertion boss, and in described frame shell, correspondence is provided with mistake proofing jack, when described plug-in module inserts described support in order to prevent misplug.
As a preferred embodiment of the present invention, described avoiding misinsertion boss is the triangular prism of fillet; Described mistake proofing jack corresponds to the tri-prism hole of fillet.
As a preferred embodiment of the present invention, module housing inside is also provided with mistake proofing slot, and described module bottom correspondence is provided with mistake proofing cutting, when described module bottom inserts described module housing in order to prevent wrong plug.
As a preferred embodiment of the present invention, the link block in described frame shell comprises: the first connecting end portion, the second connecting end portion, the first bridge part and the second bridge part, wherein: each connecting end portion comprises: wiring inserts; The junction block be connected with connection inserting part; Insert long a pair spring fingers and short a pair spring fingers of described junction block respectively; Each bridge part comprises: bridge joint seat; Long bridge joint copper sheet, in matrix, is attached at described bridge joint seating face and top stretches out in the top of described bridge joint seat; Minibridge connects copper sheet, and in matrix, be attached at described bridge joint seating face and be positioned at the concave regions of described long bridge joint copper sheet, top stretches out in the top of described bridge joint seat simultaneously; When described plug-in module does not insert described support, described long spring fingers and described short spring fingers are corresponding respectively to be connect copper sheet with described long bridge joint copper sheet with described minibridge and contacts, and electric current completes loop by spring fingers and bridging piece, current pass; After described plug-in module inserts described support, the calvus of the printed circuit board (PCB) in described plug-in module inserts between each spring fingers and bridge joint copper sheet, spring fingers contacts with printed circuit board (PCB), the calvus of bridging piece and printed circuit board (PCB) is without conductive contact, electric current is by the contact of the calvus of spring fingers and printed circuit board (PCB), enter plug-in module, form loop.
As a preferred embodiment of the present invention, described frame shell inside is provided with the isolation bar for isolating each spring fingers.
As a preferred embodiment of the present invention, the both sides of described frame shell are provided with the bolt-tightening through holes in order to lock connection bolt during wiring; The both sides of described frame shell are also provided with the wiring through hole in order to logical line simultaneously.
As a preferred embodiment of the present invention, bottom described frame shell, be provided with guide rail hook, in order to catch on described guide rail when described grounding contact is connected to described guide rail.
As a preferred embodiment of the present invention, described grounding contact also comprises: two ends are the grounding base of channel-shaped; Be installed in described grounding base one end and the slide block that can slide along this end; Be parallel to described slide block and one end is connected with described grounding base, the other end is connected to limit the spring that described slide block slides within the specific limits with described slide block.
As a preferred embodiment of the present invention, described frame shell is provided with the second snap fit hole, and described grounding base correspondence is provided with the 3rd snap fit, and when described grounding contact is inserted in described frame shell bottom, described 3rd snap fit blocks the second snap fit hole.
As a preferred embodiment of the present invention, grounded metal has a spring detent be connected with the calvus in described second printed circuit board (PCB) for described first printed circuit board (PCB).
As a preferred embodiment of the present invention, described grounded metal also has: the first connecting portion, formed by the extension of side bottom spring detent, the end bending of described first connecting portion links with described grounding base, and the surface that the first connecting portion is relative with guide rail is for the sunk surface with guide rail contact; Second connecting portion, formed by the extension of opposite side bottom spring detent, described second connecting portion comprise be formed at both sides, described extension for hook guide rail two metal crotches and between described two metal crotches for making grounded metal and guide rail contact spring-latch closely with guide rail contact.
As mentioned above, a kind of Surge Protector of the present invention, has following beneficial effect:
Surge Protector novel structure of the present invention, install simple firmly, good stability, when being connected with panel wiring terminal structure, effectively can suppress surge on connection terminal structure circuit in a row and instantaneous overvoltage and overcurrent.
Accompanying drawing explanation
Fig. 1 is shown as the structural representation of a kind of Surge Protector of the present invention.
Fig. 2 is shown as the structural representation of plug-in module in a kind of Surge Protector of the present invention.
Fig. 3 is shown as the external structure schematic diagram of module housing in a kind of Surge Protector of the present invention.
Fig. 4 and the structural representation being shown as module housing in a kind of Surge Protector of the present invention.
Fig. 5 and the internal structure schematic diagram being shown as module housing in a kind of Surge Protector of the present invention.
Fig. 6 is shown as the external structure schematic diagram of frame shell in a kind of Surge Protector of the present invention.
Fig. 7 is shown as the structural representation of module bottom in a kind of Surge Protector of the present invention.
Fig. 8 is shown as the structural representation of slot position and size in a kind of Surge Protector of the present invention.
Fig. 9 is shown as the assembling schematic diagram of module housing and printed circuit board (PCB) in a kind of Surge Protector of the present invention.
Figure 10 is shown as the structural representation of printed circuit board (PCB) in a kind of Surge Protector of the present invention.
Figure 11 is shown as the assembling schematic diagram of printed circuit board (PCB) and module bottom in a kind of Surge Protector of the present invention.
Figure 12 is shown as the structural representation of support in a kind of Surge Protector of the present invention.
Figure 13 is shown as the structural representation of the link block of frame shell and inside thereof in a kind of Surge Protector of the present invention.
Figure 14 is shown as the structural representation of connecting end portion in a kind of Surge Protector of the present invention.
Figure 15 is shown as the structural representation of bridge part in a kind of Surge Protector of the present invention.
Figure 16 is shown as the contact connection diagram of spring fingers and bridge joint copper sheet in a kind of Surge Protector of the present invention.
Figure 17 is shown as the connection procedure schematic diagram between the calvus insertion spring fingers of printed circuit board (PCB) in a kind of Surge Protector of the present invention and bridge joint copper sheet.
Figure 18 is shown as the internal structure schematic diagram of frame shell in a kind of Surge Protector of the present invention.
Figure 19 is shown as the structural representation of grounding contact in a kind of Surge Protector of the present invention.
Figure 20 is shown as the structural representation that in a kind of Surge Protector of the present invention, grounding contact assembles.
Figure 21 is shown as the structural representation of grounded metal in a kind of Surge Protector of the present invention.
Element numbers explanation
1 Surge Protector
11 plug-in modules
111 module housings
111a first snap fit 111b dismantles briquetting
11b1 antiskid groove
111c first snap fit hole 111d gathering sill
111e label display layer 111f arrow
111g chamfering 111h slot
111i mistake proofing slot
112 first printed circuit board (PCB)s
112a electrodeposited coating 112b calvus
113 second printed circuit board (PCB)s
114 module bottom 114a second snap fits
114b location notch 114c avoiding misinsertion boss
114d mistake proofing cutting 114e indicates letter
12 supports
121 frame shells
121a first connecting end portion 121b second connecting end portion
121b1 wiring inserts 121b2 junction block
The long spring fingers of 121b3 short spring fingers 121b4
121c first bridge part 121c1 bridge joint seat
121c2 long bridge joint copper sheet 121c3 minibridge connects copper sheet
121d second bridge part 121e snap fit groove
121f guide edge 121g sign
121h mistake proofing jack 121i groove
121j bolt-tightening through holes 121k wiring through hole
121m guide rail hook 121n second snap fit hole
121o isolation bar
122 grounding contacts
122a the 3rd snap fit 122b grounding base
122c slide block 122d spring
122e grounded metal
122e1 spring detent
122e2 first connecting portion
The surface that 122e2a end bending 122e2b is relative with guide rail
122e3 second connecting portion 122e3a first metal crotch
122e3b second metal crotch 122e3c spring-latch
2 guide rails
Embodiment
Below by way of specific instantiation, embodiments of the present invention are described, those skilled in the art the content disclosed by this specification can understand other advantages of the present invention and effect easily.The present invention can also be implemented or be applied by embodiments different in addition, and the every details in this specification also can based on different viewpoints and application, carries out various modification or change not deviating under spirit of the present invention.
This embodiment relates to Fig. 1 to Figure 21.Notice, structure, ratio, size etc. that this specification institute accompanying drawings illustrates, content all only in order to coordinate specification to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the present invention, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the present invention can produce and the object that can reach, still all should drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, quote in this specification as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the present invention.
As shown in Figure 1, the object of the present invention is to provide a kind of Surge Protector, the surge on limiting circuitry in panel wiring terminal structure and instantaneous overvoltage and overcurrent.To principle and the execution mode of a kind of Surge Protector of the present invention be elaborated below, and make those skilled in the art not need creative work can understand a kind of Surge Protector of the present invention.
As shown in Figure 1, the main plug-in module 11 of the present invention and support 12 two parts composition, wherein, support 12 can be fixed on guide rail to the sealed and force closure of shape, support 12 inside has spring fingers to contact with bridge joint copper sheet, when plug-in module 11 does not insert support 12, spring fingers contacts with bridge joint copper sheet and is energized; After plug-in module 11 inserts support 12, the printed circuit board (PCB) in plug-in module 11 is inserted in the middle of spring fingers and bridge joint copper sheet, and spring fingers and bridge joint copper sheet are isolated, and to be contacted with printed circuit board (PCB) by spring fingers and be energized.
Refer to Fig. 1, be shown as the structural representation of a kind of Surge Protector of the present invention.As shown in Figure 1; in the present embodiment; described Surge Protector 1 is for being connected to suppress surge on connection terminal structure circuit in a row and instantaneous overvoltage and overcurrent with panel wiring terminal structure, described Surge Protector 1 specifically comprises the support 12 that can be fixed on guide rail 2 and the plug-in module 11 that can insert in this support 12.Below the structure of plug-in module 11 and support 12 and assembling are described in detail.
1, plug-in module 11
As shown in Figure 2, in the present embodiment, plug-in module 11 comprises module housing 111, first printed circuit board (PCB) 112 and the second printed circuit board (PCB) 113 and module bottom 114.
Module housing 111 is in hood-like, and the inside of module housing 111 is for holding the first printed circuit board (PCB) 112 and the second printed circuit board (PCB) 113.Refer to Fig. 3 to Fig. 5, be shown as the outside of module housing 111 and inner detailed construction schematic diagram.
As shown in Figure 3, in the present embodiment, described module housing 111 is each side provided with the first snap fit 111a, as shown in Figure 6, in the present embodiment, described frame shell 121 both sides correspondence is respectively provided with a snap fit groove 121e, and described in when described plug-in module 11 inserts described support 12, the first snap fit 111a snaps in described snap fit groove 121e.As shown in Figure 3, in the present embodiment, also respectively there is a dismounting briquetting 111b described module housing 111 left and right sides, and described in when extruding described dismounting briquetting 111b, the first snap fit 111a exits described snap fit groove 121e.As shown in Figure 3, wherein, dismantle briquetting 111b and be provided with some antiskid groove 111b1.
As shown in Figure 3, in the present embodiment, described module housing 111 is each side provided with a first snap fit hole 111c, as shown in Figure 7, in the present embodiment, described module bottom 114 both sides are respectively provided with a second snap fit 114a, and when described module bottom 114 is inserted in described module housing 111 bottom, described second snap fit 114a snaps in and is fixed on described first snap fit hole 111c.
As shown in Figure 4, module housing 111 inside is also provided with mistake proofing slot 111i, and as shown in Figure 7, described module bottom 114 correspondence is provided with mistake proofing cutting 114d, and the number of mistake proofing cutting 114d is corresponding with position with the number of mistake proofing slot 111i with position.When described module bottom 114 inserts described module housing 111 in order to prevent wrong plug.
As shown in Figure 3, in the present embodiment, described module housing 111 is each side provided with a gathering sill 111d, as shown in Figure 6, in the present embodiment, in described frame shell 121, correspondence is provided with guide edge 121f, in order to lead when described plug-in module 11 inserts described support 12.
As shown in Figure 3, in the present embodiment, described module housing 111 surface is provided with arrow 111f, as shown in Figure 6, in the present embodiment, in described frame shell 121, correspondence is provided with sign 121g, in order to lead when described plug-in module 11 inserts described support 12.
In addition, in the present embodiment, as shown in Figure 3, in the present embodiment, the surface of described module housing 111 is also provided with the label display layer 111e showing Surge Protector label.
As shown in Figure 5, in the present embodiment, the inwall of the interior both sides relatively of module housing 111 is respectively formed and passes through for the first printed circuit board (PCB) 112 and the second printed circuit board (PCB) 113 and fix the slot 111h of the first printed circuit board (PCB) 112 and the second printed circuit board (PCB) 113 respectively, wherein, described slot 111h and described module housing 111 one-body molded.
As shown in Figure 5, in the present embodiment, the top of residing slot 111h has a guiding chamfering 111g, for the guiding when printed circuit board (PCB) insert module housing 111, to make the smooth insert module housing 111 of printed circuit board (PCB).
Four slot 111h are provided with altogether in described module housing 111, every two slot 111h are positioned at the same surface of module housing 111, each printed circuit board (PCB) is when insert module housing 111, two the slot 111h being positioned at same surface are needed to fix its two ends, namely two the slot 111h being positioned at same surface fix the first printed circuit board (PCB) 112, and two other slot 111h being positioned at same surface fixes the second printed circuit board (PCB) 113.
In addition, the interval between corresponding two the slot 111h inserted in two ends of a printed circuit board (PCB) and the width of printed circuit board (PCB) match, and the printed circuit board (PCB) after insertion should be made to fix, can not move or loosen.
Particularly, in the present embodiment, as shown in Figure 8, on module housing inwall, two slots of the same side are one group, the spacing of two group slots of inwall both sides is different, and the spacing of two group slots is corresponding with the width of the first printed circuit board (PCB) and the width of the second printed circuit board (PCB) respectively.
In fig. 8, the spacing of two slots of such as module housing inwall upper surface is a, the spacing of two slots of module housing interior lower surface is b, the width a ' of the first printed circuit board (PCB) is corresponding with a, the width b ' of the second printed circuit board (PCB) is corresponding with b, then when assembling, two slots of first circuit board insert module inner walls upper surface, two slots of second circuit board insert module inner walls lower surface.
As shown in Figure 4, in the present embodiment, the concrete structure of described slot 111h is couch T-shaped, wherein, after couching, the vertical portion of T word is partly divided into upper and lower two spaces anyhow, wherein printed circuit board (PCB) insert vertical portion the lower space that is divided into by part anyhow, part becomes one and stops the stop part that printed circuit board (PCB) moves anyhow.
Shown in Fig. 9, in the present embodiment, first printed circuit board (PCB) 112 and the second printed circuit board (PCB) 113, opposing parallelly to be arranged in described module housing 111 and there is between the first printed circuit board (PCB) 112 and the second printed circuit board (PCB) 113 necessary leakage distance and air distance, as shown in Figure 10, in the present embodiment, first printed circuit board (PCB) 112 all has the calvus 112b for being connected with described panel wiring terminal with the second printed circuit board (PCB) 113, is described in Figure 10 for the first printed circuit board (PCB) 112.
In the present embodiment, here, the first printed circuit board (PCB) 112 and the second printed circuit board (PCB) 113 have the protection component and peripheral circuit that are correspondingly electrically connected by corrosion structure.Meanwhile, the calvus 112b in the first printed circuit board (PCB) 112 and the first printed circuit board (PCB) 112 are formed simultaneously, are structure as a whole, and the calvus 112b in the second printed circuit board (PCB) 113 and the second printed circuit board (PCB) 113 are also formed simultaneously, are structure as a whole.
Visible, in the present embodiment, first printed circuit board (PCB) 112 and the second printed circuit board (PCB) 113 are that the slot 111h on the inwall by being formed in the relative both sides of module housing 111 spatial accommodation is directly fixed in module housing 111, not by other any assemblies, and realize necessary leakage distance and air distance by the slot 111h interval corresponded to each other between the first printed circuit board (PCB) 112 and the second printed circuit board (PCB) 113.
As shown in Figure 10, in the present embodiment, the one side of described first printed circuit board (PCB) 112 and the one side of described second printed circuit board (PCB) 113 scribble electrodeposited coating 112a, are described in Figure 10 for the first printed circuit board (PCB) 112.By electrodeposited coating 112a, the pulse current of protector requirement can be guided.When described first printed circuit board (PCB) 112 and described second printed circuit board (PCB) 113 load described module housing 111, two electrodeposited coating 112a are relative.
As seen in figs. 7 and 11, in the present embodiment, module bottom 114 is inserted in the bottom of described module housing 111, and module bottom 114 is provided with for fixing described first printed circuit board (PCB) 112 and described second printed circuit board (PCB) 113 and the location notch 114b leant out for the calvus 112b in described first printed circuit board (PCB) 112 and described second printed circuit board (PCB) 113.Described first printed circuit board (PCB) 112 and described second printed circuit board (PCB) 113 are all designed to the form with the calvus 112b stretched out, when described first printed circuit board (PCB) 112 and described second printed circuit board (PCB) 113 load module housing 111, calvus 112b is corresponding with the location notch 114b on module bottom 114, and location notch 114b plays the role of positioning.
Described module bottom 114, the one side of described first printed circuit board (PCB) 112 and being linked and packed as shown in figure 11 of described second printed circuit board (PCB) 113.
As shown in Figure 7, the surface of module bottom 114 is also provided with instruction letter, corresponding with the letter on the first printed circuit board (PCB) 112 and the second printed circuit board (PCB) 113 respectively, plays deixis.
In addition, in the present embodiment, as shown in Figure 7, described module bottom 114 bottom outside has avoiding misinsertion boss 114c, as shown in Figure 6, in the present embodiment, in described frame shell 121, correspondence is provided with mistake proofing jack 121h, when described plug-in module 11 inserts described support 12 in order to prevent misplug.
Particularly, in the present embodiment, described avoiding misinsertion boss 114c is the triangular prism of fillet; Described mistake proofing jack 121h corresponds to the tri-prism hole of fillet.
2, support 12
As shown in figure 12, in the present embodiment, described support 12 comprises frame shell 121 and grounding contact 122, and the derived current of Surge Protector 1 can reliably be directed on hat guide rail 2 by support 12.Below frame shell 121 and grounding contact 122 are described in detail.
As shown in figure 13, in the present embodiment, described frame shell 121 inside has the link block be connected with the calvus 112b in described second printed circuit board (PCB) 113 with described first printed circuit board (PCB) 112.
As shown in figure 13, the link block in described frame shell 121 comprises: the first connecting end portion 121a, the second connecting end portion 121b, the first bridge part 121c and the second bridge part 121d.
In the present embodiment, the first connecting portion has identical structure with the second connecting end portion 121b, but symmetrical in structure.Be described for the second connecting end portion 121b.As shown in figure 14, each connecting end portion comprises: wiring inserts 121b1; The junction block 121b2 be connected with connection inserting part; Insert long a pair spring fingers 121b4 and the short a pair spring fingers 121b3 of described junction block 121b2 respectively.Long a pair spring fingers 121b4 is oppositely arranged, short a pair spring fingers 121b3 is also oppositely arranged, long a pair spring fingers 121b4 and short a pair spring fingers 121b3 be arranged in parallel, and namely a long spring fingers 121b4 and short spring fingers 121b3 is positioned at same plane.
First bridge part 121c has identical structure with the second bridge part 121d, is described for the first bridge part 121c.In the present embodiment, as shown in figure 15, the first bridge part 121c comprises: bridge joint seat 121c1; Long bridge joint copper sheet 121c2, in matrix, is attached at described bridge joint seat 121c1 surface and top stretches out in the top of described bridge joint seat 121c1; Minibridge meets copper sheet 121c3, and in matrix, be attached at described bridge joint seat 121c1 surface and be positioned at the concave regions of described long bridge joint copper sheet 121c2, top stretches out in the top of described bridge joint seat 121c1 simultaneously.Bridge joint seat 121c1, long bridge joint copper sheet 121c2 and minibridge meet copper sheet 121c3 and are connected the rear diagram as arrow indication in Figure 15.
After connecting end portion and bridge part have assembled respectively, first two connecting end portion are loaded frame shell 121, again two bridge parts are embedded two connecting end portion, make spring fingers respectively at the contact of bridge joint copper sheet, the way of contact of spring fingers and bridge joint copper sheet is concrete as shown in figure 16.
As shown in figure 17, in the present embodiment, when described plug-in module 11 does not insert described support 12, described long spring fingers 121b4 and described short spring fingers 121b3 are corresponding respectively to be met copper sheet 121c3 with described long bridge joint copper sheet 121c2 with described minibridge and contacts; Now, electric current completes loop by spring fingers and bridging piece, current pass, and therefore, spring fingers meets simultaneously to be connected and contacts the function exported.
After described plug-in module 11 inserts described support 12, the calvus 112b of the printed circuit board (PCB) in described plug-in module 11 inserts between each spring fingers and bridge joint copper sheet, and spring fingers contacts with printed circuit board (PCB).Spring fingers contacts with printed circuit board (PCB), and the calvus of bridging piece and printed circuit board (PCB) is without conductive contact, and electric current, by the contact of the calvus of spring fingers and printed circuit board (PCB), enters plug-in module, forms loop.
As shown in Figure 6, in the present embodiment, described frame shell 121 top has the groove 121i passed through for the calvus 112b in described first printed circuit board (PCB) 112 and described second printed circuit board (PCB) 113, when plug-in module 11 inserts support 12, the calvus 112b that described first printed circuit board (PCB) 112 and described second printed circuit board (PCB) 113 stretch out thus groove 121i inserts frame shell 121, and contacts with the spring fingers in frame shell 121.
As shown in Figure 6, in the present embodiment, the both sides of described frame shell 121 are provided with the bolt-tightening through holes 121j in order to lock connection bolt during wiring; The both sides of described frame shell 121 are also provided with the wiring through hole 121k in order to logical line simultaneously.
As shown in Figure 6, in the present embodiment, guide rail hook 121m bottom described frame shell 121, is provided with, in order to catch on described guide rail 2 when described grounding contact 122 is connected to described guide rail 2.Guide rail hook 121m is used for catching on guide rail 2 when frame shell 121 is mounted to guide rail 2, plays stationary positioned effect.
As shown in figure 18, described frame shell 121 inside is provided with the isolation bar 121o for isolating each spring fingers.
As shown in figs. 1 and 12, grounding contact 122 is inserted in the bottom of described frame shell 121 for supporting described frame shell 121 and being fixed with described guide rail 2 by described frame shell 121.
Particularly, as shown in figure 19, in the present embodiment, described grounding contact 122 is except comprising the grounded metal 122e that to be connected with the calvus 112b in described second printed circuit board (PCB) 113 with described first printed circuit board (PCB) 112 and to make described first printed circuit board (PCB) 112 and described second printed circuit board (PCB) 113 set up to be electrically connected, and described grounding contact 122 also comprises: two ends are the grounding base 122b of channel-shaped; Be installed in described grounding base 122b one end and the slide block 122c that can slide along this end; Be parallel to described slide block 122c and one end is connected with described grounding base 122b, the other end is connected to limit the spring 122d that described slide block 122c slides within the specific limits with described slide block 122c.As shown in figure 20, be shown as slide block 122c and spring 122d and grounding base 122b assemble after schematic diagram.
Wherein, as shown in figure 21, in the present embodiment, grounded metal 122e has a spring detent 122e1 be connected with the calvus 112b in described second printed circuit board (PCB) 113 for described first printed circuit board (PCB) 112.
As shown in figure 21, described grounded metal 122e also has the first connecting portion 122e2, formed by the extension of side bottom spring detent 122e1, the end bending 122e2a and described grounding base 122b of described first connecting portion 122e2 links, and the surperficial 122e2b that the first connecting portion 122e2 is relative with guide rail 2 is the sunk surface for contacting with guide rail 2.
As shown in figure 21, described grounded metal 122e also has the second connecting portion 122e3, formed by the extension of opposite side bottom spring detent 122e1, described second connecting portion 122e3 comprises and is formed at both sides, described extension for hooking two metal crotches (the first metal crotch 122e3a and the second metal crotch 122e3b) of guide rail 2, and for contacting with guide rail 2 and making grounded metal 122e contact spring-latch 122e3c closely with guide rail 2 between described two metal crotches.
Each parts of described grounding contact 122 assemble rear insertion frame shell 121 and fix, and wherein grounded metal 122e contacts with the second printed circuit board (PCB) 113 with the first printed circuit board (PCB) 112 all the time, and the way of contact is identical with Figure 17.
As shown in Figure 6, in the present embodiment, described frame shell 121 is provided with the second snap fit hole 121n, as shown in figure 19, in the present embodiment, described grounding base 122b correspondence is provided with the 3rd snap fit 122a, and when described grounding contact 122 is inserted in described frame shell 121 bottom, described 3rd snap fit 122a blocks the second snap fit hole 121n.
After frame shell 121 and grounding contact 122 assemble respectively, snap in frame shell 121 by grounding contact 122, and be fixed on guide rail 2.
In sum, a kind of Surge Protector of the present invention, has following beneficial effect:
Surge Protector novel structure of the present invention, install simple firmly, good stability, when being connected with panel wiring terminal structure, effectively can suppress surge on connection terminal structure circuit in a row and instantaneous overvoltage and overcurrent.So the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (22)
1. a Surge Protector, for being connected with panel wiring terminal structure to suppress the surge on connection terminal structure circuit in a row, described Surge Protector comprises the support that can be fixed on guide rail and the plug-in module that can insert in this support, it is characterized in that:
Described plug-in module comprises:
In hood-like module housing;
First printed circuit board (PCB) and the second printed circuit board (PCB), opposing parallelly being arranged in described module housing and having necessary leakage distance and air distance between the first printed circuit board (PCB) and the second printed circuit board (PCB), the first printed circuit board (PCB) and the second printed circuit board (PCB) all have the calvus for being connected with described panel wiring terminal;
Module bottom, is inserted in the bottom of described module housing, is provided with for fixing described first printed circuit board (PCB) and described second printed circuit board (PCB) and the location notch leant out for the calvus in described first printed circuit board (PCB) and described second printed circuit board (PCB);
Described support comprises:
Frame shell, top has the groove passed through for the calvus in described first printed circuit board (PCB) and described second printed circuit board (PCB), and inside has the link block be connected with the calvus in described second printed circuit board (PCB) with described first printed circuit board (PCB);
Grounding contact, is inserted in the bottom of described frame shell for supporting described frame shell and described frame shell and described guide rail being fixed; Described grounding contact comprises being connected with the calvus in described second printed circuit board (PCB) with described first printed circuit board (PCB) makes described first printed circuit board (PCB) and described second printed circuit board (PCB) set up the grounded metal be electrically connected.
2. Surge Protector according to claim 1, it is characterized in that, described module housing is each side provided with the first snap fit, and described frame shell both sides are respectively provided with a snap fit groove, and described in when described plug-in module inserts described support, the first snap fit snaps in described snap fit groove; Also respectively there is a dismounting briquetting the described module housing left and right sides, and described in when extruding described dismounting briquetting, the first snap fit exits described snap fit groove.
3. Surge Protector according to claim 2, is characterized in that, described dismounting briquetting is provided with some antiskid grooves.
4. Surge Protector according to claim 1; it is characterized in that; described module housing is each side provided with a first snap fit hole; described module bottom both sides are respectively provided with second snap fit; when described module bottom is inserted in described module housing bottom, described second snap fit snaps in and is fixed on described first snap fit hole.
5. Surge Protector according to claim 1, is characterized in that, described module housing is each side provided with a gathering sill, and in corresponding described frame shell, correspondence is provided with guide edge, in order to lead when described plug-in module inserts described support.
6. Surge Protector according to claim 1, is characterized in that, described module housing surface is provided with arrow, and in described frame shell, correspondence is provided with sign, in order to lead when described plug-in module inserts described support.
7. Surge Protector according to claim 1, is characterized in that, the surface of described module housing is provided with the label display layer showing Surge Protector label.
8. Surge Protector according to claim 1; it is characterized in that; the one side of described first printed circuit board (PCB) and the one side of described second printed circuit board (PCB) scribble electrodeposited coating, and when described first printed circuit board (PCB) and described second printed circuit board (PCB) load described module housing, two electrodeposited coatings are relative.
9. Surge Protector according to claim 1; it is characterized in that, the inwall of the interior both sides relatively of module housing is respectively formed and passes through for the first printed circuit board (PCB) and the second printed circuit board (PCB) and fix the slot of the first printed circuit board (PCB) and the second printed circuit board (PCB) respectively.
10. Surge Protector according to claim 9; it is characterized in that; on module housing inwall, two slots of the same side are one group; the spacing of two group slots of inwall both sides is different, and the spacing of two group slots is corresponding with the width of the first printed circuit board (PCB) and the width of the second printed circuit board (PCB) respectively.
11. Surge Protectors according to claim 9, is characterized in that, the outboard end mouthpiece of described slot has chamfering.
12. Surge Protectors according to claim 1, is characterized in that, described module bottom bottom outside has avoiding misinsertion boss, and in described frame shell, correspondence is provided with mistake proofing jack, when described plug-in module inserts described support in order to prevent misplug.
13. Surge Protectors according to claim 12, is characterized in that, described avoiding misinsertion boss is the triangular prism of fillet; Described mistake proofing jack corresponds to the tri-prism hole of fillet.
14. Surge Protectors according to claim 1, is characterized in that, module housing inside is also provided with mistake proofing slot, and described module bottom correspondence is provided with mistake proofing cutting, when described module bottom inserts described module housing in order to prevent wrong plug.
15. Surge Protectors according to claim 1, is characterized in that, the link block in described frame shell comprises: the first connecting end portion, the second connecting end portion, the first bridge part and the second bridge part, wherein:
Each connecting end portion comprises:
Wiring inserts;
The junction block be connected with connection inserting part;
Insert long a pair spring fingers and short a pair spring fingers of described junction block respectively;
Each bridge part comprises:
Bridge joint seat;
Long bridge joint copper sheet, in matrix, is attached at described bridge joint seating face and top stretches out in the top of described bridge joint seat;
Minibridge connects copper sheet, and in matrix, be attached at described bridge joint seating face and be positioned at the concave regions of described long bridge joint copper sheet, top stretches out in the top of described bridge joint seat simultaneously; When described plug-in module does not insert described support, described long spring fingers and described short spring fingers are corresponding respectively to be connect copper sheet with described long bridge joint copper sheet with described minibridge and contacts, and electric current completes loop by spring fingers and bridging piece, current pass; After described plug-in module inserts described support, the calvus of the printed circuit board (PCB) in described plug-in module inserts between each spring fingers and bridge joint copper sheet, spring fingers contacts with printed circuit board (PCB), the calvus of bridging piece and printed circuit board (PCB) is without conductive contact, electric current is by the contact of the calvus of spring fingers and printed circuit board (PCB), enter plug-in module, form loop.
16. Surge Protectors according to claim 15, is characterized in that, described frame shell inside is provided with for isolating each bullet
The isolation bar of spring bluff piece.
17. Surge Protectors according to claim 1, is characterized in that, when the both sides of described frame shell are provided with in order to wiring
The bolt-tightening through holes of locking connection bolt; The both sides of described frame shell are also provided with the wiring through hole in order to logical line simultaneously.
18. Surge Protectors according to claim 1, is characterized in that, are provided with guide rail hook bottom described frame shell, in order to
Described guide rail is caught on when described grounding contact is connected to described guide rail.
19. Surge Protectors according to claim 1, is characterized in that, described grounding contact also comprises:
Two ends are the grounding base of channel-shaped;
Be installed in described grounding base one end and the slide block that can slide along this end;
Be parallel to described slide block and one end is connected with described grounding base, the other end is connected to limit described slide block with described slide block
The spring slided within the specific limits.
20. Surge Protectors according to claim 19; it is characterized in that, described frame shell is provided with the second snap fit hole, and described grounding base correspondence is provided with the 3rd snap fit; when described grounding contact is inserted in described frame shell bottom, described 3rd snap fit blocks the second snap fit hole.
21. Surge Protectors according to claim 19, is characterized in that, grounded metal has a spring detent be connected with the calvus in described second printed circuit board (PCB) for described first printed circuit board (PCB).
22. Surge Protectors according to claim 21, is characterized in that, described grounded metal also has:
First connecting portion, is formed by the extension of side bottom spring detent, and the end bending of described first connecting portion links with described grounding base, and the surface that the first connecting portion is relative with guide rail is for the sunk surface with guide rail contact;
Second connecting portion, formed by the extension of opposite side bottom spring detent, described second connecting portion comprise be formed at both sides, described extension for hook guide rail two metal crotches and between described two metal crotches for making grounded metal and guide rail contact spring-latch closely with guide rail contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310585812.2A CN104659502B (en) | 2013-11-19 | 2013-11-19 | Surge protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310585812.2A CN104659502B (en) | 2013-11-19 | 2013-11-19 | Surge protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104659502A true CN104659502A (en) | 2015-05-27 |
| CN104659502B CN104659502B (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310585812.2A Active CN104659502B (en) | 2013-11-19 | 2013-11-19 | Surge protector |
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| CN (1) | CN104659502B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532622A (en) * | 2015-08-05 | 2017-03-22 | 菲尼克斯电气公司 | Combined over-voltage protector |
| CN107026443A (en) * | 2015-10-26 | 2017-08-08 | 株式会社圣科萨 | Surge protection device (spd) and surge protection system |
| CN108448556A (en) * | 2018-02-23 | 2018-08-24 | 广东天文防雷工程有限公司 | A kind of pluggable surge protector |
| EP3458932A4 (en) * | 2016-05-20 | 2020-04-29 | Erico International Corporation | Distribution block with integrated surge protective device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29606007U1 (en) * | 1996-03-20 | 1996-06-20 | Hartmann & Braun Ag, 60487 Frankfurt | Pluggable module housing with a line-up base for standard rail mounting |
| DE102006034164B4 (en) * | 2006-05-09 | 2008-07-31 | Dehn + Söhne Gmbh + Co. Kg | Multipole lightning current and / or surge arrester in terminal block design |
| CN203135433U (en) * | 2013-04-02 | 2013-08-14 | 成都标定科技有限责任公司 | Industrial control automation system pluggable type signal surge protector |
| CN104242281B (en) * | 2013-06-20 | 2017-04-26 | 町洋机电(中国)有限公司 | Surge protector with protection module capable of being plugged without interrupting signals |
| CN203607559U (en) * | 2013-11-19 | 2014-05-21 | 上海辰竹仪表有限公司 | Surge protector |
-
2013
- 2013-11-19 CN CN201310585812.2A patent/CN104659502B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532622A (en) * | 2015-08-05 | 2017-03-22 | 菲尼克斯电气公司 | Combined over-voltage protector |
| CN106532622B (en) * | 2015-08-05 | 2019-10-11 | 菲尼克斯电气公司 | A kind of combined overvoltage protector |
| CN107026443A (en) * | 2015-10-26 | 2017-08-08 | 株式会社圣科萨 | Surge protection device (spd) and surge protection system |
| CN107026443B (en) * | 2015-10-26 | 2019-09-27 | 株式会社圣科萨 | Surge protection device (spd) and surge protection system |
| EP3458932A4 (en) * | 2016-05-20 | 2020-04-29 | Erico International Corporation | Distribution block with integrated surge protective device |
| CN108448556A (en) * | 2018-02-23 | 2018-08-24 | 广东天文防雷工程有限公司 | A kind of pluggable surge protector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104659502B (en) | 2017-02-22 |
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