CN104659502B - Surge protector - Google Patents
Surge protector Download PDFInfo
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- CN104659502B CN104659502B CN201310585812.2A CN201310585812A CN104659502B CN 104659502 B CN104659502 B CN 104659502B CN 201310585812 A CN201310585812 A CN 201310585812A CN 104659502 B CN104659502 B CN 104659502B
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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 protection device technical field of utensil and equipment, the technology neck of special facilities protection electronic component
Domain, specially a kind of Surge Protector.
Background technology
Surge Protector is that a kind of electronics for various electronic equipments, instrument and meter, communication line offer security protection fills
Put.When producing suddenly peak current or voltage because of extraneous interference in electric loop or communication line, surge protection
Device can turn on shunting within the extremely short time, thus avoiding the infringement to other equipment in loop for the surge.
Surge Protector (Surge protection Device) is indispensable one kind in electronic equipment lightning protection
Device, the past is frequently referred to " spark gap " or " overvoltage protection device " English and is abbreviated as SPD.The effect of Surge Protector is that handle is scurried into
Electric lines of force, the instantaneous overvoltage of signal transmssion line are limited in the voltage range that equipment or system can bear, or will be powerful
Lightning current earial drainage enters ground, protects protected equipment or system not to be hit and damage.The type of Surge Protector and structure are pressed
Different purposes is different, but it at least should comprise a non-linear voltage restriction element.
Surge is also surging, as the term suggests being just above the transient overvoltage of normal working voltage.Essentially, surge is
There is a kind of violent pulse within only millions of points of one second time, have the reason surge may be caused：Jumbo, short
Road, power supply switching or big-block engine and the product containing surge insulation device can effectively absorb the huge energy of burst,
Impaired to protect connection equipment to avoid.
Lightning Disaster is one of natural disaster of most serious, casualties that the whole world causes because of Lightning Disaster every year, wealth
Produce loss countless.With the extensive application of electronics, the integrated equipment of microelectronics, lightning surge and LEMP institute
The system causing and the damage of equipment get more and more.Therefore, building and electronic information the Lightning Protection are solved as early as possible
Problem seems particularly significant.Increasingly stringent lightning protection being required with relevant device, installs on Surge Protector limiting circuitry
Surge and instantaneous overvoltage, the overcurrent released on circuit become one of important step of Modern Lightning Protection Technology.
Patent authorization number of the prior art is CN101438462B, in the invention entitled structure in panel wiring terminal
The overvoltage arrester of multipole discloses a kind of Surge Protector, and it is surrounded by housing, and ground is fixing to be printed by first, second and third
Printed circuit board and the sandwich type structure of scaffold composition, the setting structure thereby realizing its printed circuit board (PCB) is in little space
Reasonability, and be provided for monitoring the device of protection element in first and second printed circuit board (PCB) on its 3rd printed circuit board (PCB)
(or circuit).But the printed circuit board (PCB) quantity comprising in the Surge Protector disclosed in this document is excessive, leads to complex structure.
Content of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of Surge Protector, for
More succinct structure eliminates the surge on limiting circuitry in panel wiring terminal structure.
For achieving the above object and other related purposes, the present invention provides a kind of Surge Protector, for wiring in a row
Terminal structure is connected to suppress the surge on panel wiring terminal structure circuit, and described Surge Protector includes being securable to guide rail
On support and can be inserted into plug-in module in this support, described plug-in module includes：In hood-like module housing；First printing
Circuit board and the second printed circuit board (PCB), opposing parallel are arranged in described module housing and the first printed circuit board (PCB) and the second printing
There is between circuit board necessary leakage distance and air distance, the first printed circuit board (PCB) and the second printed circuit board (PCB) are respectively provided with use
In the calvus being connected with described panel wiring terminal；Module bottom, is inserted in the bottom of described module housing, is provided with for solid
Determine described first printed circuit board (PCB) and described second printed circuit board (PCB) and for described first printed circuit board (PCB) and described second printing
The locating slot that calvus in circuit board leans out；Described support includes：Frame shell, top has for described first printed circuit board (PCB)
The groove passing through with the calvus in described second printed circuit board (PCB), inside has and described first printed circuit board (PCB) and described second
The link block that calvus in printed circuit board (PCB) is connected；Grounding contact, the bottom being inserted in described frame shell is used for supporting institute
State frame shell and described frame shell is fixed with described guide rail；Described grounding contact includes and described first printed circuit board (PCB)
It is connected with the calvus in described second printed circuit board (PCB) and so that described first printed circuit board (PCB) and described second printed circuit board (PCB) is set up
The grounded metal of electrical connection.
As a preferred embodiment of the present invention, the described module housing left and right sides is respectively provided with the first snap fit, described support
Housing both sides are respectively provided with a snap fit groove, and the first snap fit described in when described plug-in module inserts described support snaps in described snap fit
Groove；Also respectively there is a dismounting briquetting the described module housing left and right sides, and the first snap fit described in during extruding described dismounting briquetting 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, the described module housing left and right sides is respectively provided with a first snap fit hole, institute
State module bottom both sides and be 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, the described module housing left and right sides is respectively provided with a gathering sill, corresponding institute
State and in frame shell, be correspondingly provided with guide edge, in order to be guided when described plug-in module inserts described support.
As a preferred embodiment of the present invention, described module housing surface is provided with arrow, in described frame shell
It is correspondingly provided with sign, in order to be guided 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 to show Surge Protector label
Label display layer.
As a preferred embodiment of the present invention, the one side of described first printed circuit board (PCB) and described second printed circuit board (PCB)
One side scribble electrodeposited coating, described first printed circuit board (PCB) and described second printed circuit board (PCB) load described module housing when, two
Individual electrodeposited coating is relatively.
As a preferred embodiment of the present invention, the inwall of opposite sides in module housing is respectively formed with and supplies first respectively
Printed circuit board (PCB) and the second printed circuit board (PCB) pass through and fix the slot of the first printed circuit board (PCB) and the second printed circuit board (PCB).
As a preferred embodiment of the present invention, on module housing inwall, two slots of the same side are one group, inwall two
The spacing of two group slots of side is different, spacing width and second printed circuit with the first printed circuit board (PCB) respectively of two group slots
The width of plate is corresponding.
As a preferred embodiment of the present invention, the exterior side port of described slot has chamfering.
As a preferred embodiment of the present invention, described module bottom bottom outside has avoiding misinsertion boss, described support shell
It is correspondingly provided with mistake proofing jack, when described plug-in module inserts described support in order to prevent misplug in body.
As a preferred embodiment of the present invention, described avoiding misinsertion boss is the triangular prism of fillet；Described mistake proofing jack pair
Should be the tri-prism hole of fillet.
As a preferred embodiment of the present invention, inside module housing, it is additionally provided with mistake proofing slot, described module bottom corresponds to
It 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 includes：First connection end, the
Two connection ends, the first bridge part and the second bridge part, wherein：Each connects end and includes：Wiring inserts；Embedding with being connected
The junction block that part is connected；Insert long a pair spring fingers of described junction block and short a pair spring fingers respectively；Each bridge joint
Portion includes：Bridge joint seat；Long bridge joint copper sheet, in matrix, is attached at described bridge joint seating face and top stretches out in described bridge joint seat
Top；Minibridge connects copper sheet, in matrix, is attached at described bridge joint seating face and in 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 is not inserted into described support, described long spring fingers
Correspond to respectively with described short spring fingers and connect copper sheet and contact with described long bridge joint copper sheet and described minibridge, electric current passes through spring fingers
And bridge joint copper sheet completes loop, current pass；After described plug-in module inserts described support, the printing in described plug-in module
The calvus of circuit board inserts between each spring fingers and bridge joint copper sheet, and spring fingers contacts with printed circuit board (PCB), bridge copper sheet and
The calvus of printed circuit board (PCB) no conductive contact, electric current passes through spring fingers contact with the calvus of printed circuit board (PCB), enters plug
Module, forms loop.
As a preferred embodiment of the present invention, inside described frame shell, it is provided with the isolation for isolating each spring fingers
Muscle.
As a preferred embodiment of the present invention, the both sides of described frame shell are provided with order to lock connection bolt during wiring
Bolt-tightening through holes；The both sides of described frame shell are additionally provided with the wiring through hole in order to logical line simultaneously.
As a preferred embodiment of the present invention, described frame shell bottom is provided with guide rail hook, in order to touch when described ground connection
Head catches on described guide rail when connecting to described guide rail.
As a preferred embodiment of the present invention, described grounding contact also includes：Two ends are the grounding base of channel-shaped；It is installed in
Described grounding base one end the slide block that can slide along this end；Parallel to described slide block and one end is connected with described grounding base, another
End is connected with described slide block to limit the spring that described slide block slides within the specific limits.
As a preferred embodiment of the present invention, described frame shell is provided with the second snap fit hole, and described grounding base correspondence sets
There is 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.
As a preferred embodiment of the present invention, grounded metal has one for described first printed circuit board (PCB) and described
The spring detent that calvus in second printed circuit board (PCB) is connected.
As a preferred embodiment of the present invention, described grounded metal also has：First connecting portion, by spring detent bottom one
The extension of side is formed, and the end bending of described first connecting portion is linked with described grounding base, and first connecting portion is relative with guide rail
Surface be for the sunk surface with guide rail contact；Second connecting portion, is formed by the extension of spring detent bottom opposite side, institute
State second connecting portion to include being formed at described extension both sides for hooking two metal crotches of guide rail and being located at described two
It is used for guide rail contact between metal crotch and make grounded metal and the close spring-latch of guide rail contact.
As described above, a kind of Surge Protector of the present invention, have the advantages that：
The Surge Protector structure of the present invention is novel, installs simply firm, good stability, with panel wiring terminal structure
When connected, can effectively suppress the surge on panel wiring terminal structure circuit and instantaneous overvoltage and overcurrent.
Brief description
Fig. 1 is shown as a kind of structural representation 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.
The structure that Figure 13 is shown as the link block of frame shell and its inside in a kind of Surge Protector of the present invention is shown
It is intended to.
Figure 14 is shown as connecting the structural representation of end 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 spring fingers and the contact connection diagram bridging copper sheet in a kind of Surge Protector of the present invention.
Figure 17 is shown as calvus insertion spring fingers and the bridge joint of printed circuit board (PCB) in a kind of Surge Protector of the present invention
Connection procedure schematic diagram between 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.
Component label instructions
1 Surge Protector
11 plug-in modules
111 module housings
111a the first snap fit 111b dismantles briquetting
11b1 antiskid groove
111c the 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 the second snap fits
114b locating slot 114c avoiding misinsertion boss
114d mistake proofing cutting 114e instruction letter
12 supports
121 frame shells
121a first connects end 121b second and connects end
121b1 wiring inserts 121b2 junction block
The long spring fingers of 121b3 short spring fingers 121b4
121c the first bridge part 121c1 bridges seat
121c2 length bridge joint copper sheet 121c3 minibridge connects copper sheet
121d the 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 the 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
122e2a end bends the 122e2b surface relative with guide rail
122e3 second connecting portion 122e3a the first metal crotch
122e3b the second metal crotch 122e3c spring-latch
2 guide rails
Specific embodiment
Below by way of specific instantiation, embodiments of the present invention are described, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also be by addition different concrete realities
The mode of applying is carried out or applies, and the every details in this specification can also be based on different viewpoints and application, without departing from
Carry out various modifications and changes under the spirit of the present invention.
This specific embodiment is related to Fig. 1 to Figure 21.It should be clear that it is structure depicted in this specification institute accompanying drawings, ratio, big
Little etc., all only in order to coordinate the content disclosed in description, so that those skilled in the art understands and reads, and it is not used to limit
Determine the enforceable qualificationss of the present invention, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship
Or the adjustment of size, under not affecting present invention effect that can be generated by and the purpose that can reach, all should still fall in the present invention
In the range of disclosed technology contents obtain and can cover.Meanwhile, in this specification cited as " on ", D score, " left ",
The term of " right ", " middle " and " one " etc., is merely convenient to understanding of narration, and is not used to limit the enforceable model of the present invention
Enclose, being altered or modified of its relativeness, under no essence change technology contents, when being also considered as the enforceable category of the present invention.
As shown in figure 1, it is an object of the invention to provide a kind of Surge Protector, in panel wiring terminal structure
Surge on limiting circuitry and instantaneous overvoltage and overcurrent.A kind of Surge Protector of the present invention described in detail below former
Reason and embodiment, make those skilled in the art not need creative work to be appreciated that a kind of Surge Protector of the present invention.
As shown in figure 1, the main plug-in module of the present invention 11 and support 12 two parts composition, wherein, support 12 can shape sealed
With force closure be fixed on guide rail, have inside support 12 spring fingers with bridge joint copper sheet contact, when plug-in module 11 is not inserted into
During support 12, spring fingers contact and are energized with bridge joint copper sheet；After plug-in module 11 inserts support 12, in plug-in module 11
Printed circuit board (PCB) is inserted into spring fingers and bridges in the middle of copper sheet, makes spring fingers and bridge joint copper sheet isolation, and by spring fingers
Contact energising with printed circuit board (PCB).
Refer to Fig. 1, be shown as a kind of structural representation of Surge Protector of the present invention.As shown in figure 1, in this enforcement
In example, described Surge Protector 1 is used for being connected with panel wiring terminal structure to suppress on panel wiring terminal structure circuit
Surge and instantaneous overvoltage and overcurrent, described Surge Protector 1 specifically includes the support 12 being securable on guide rail 2 and can insert
Enter the plug-in module 11 in this support 12.Structure to plug-in module 11 and support 12 and assembling are described in detail below.
1st, plug-in module 11
As shown in Fig. 2 in the present embodiment, plug-in module 11 includes module housing 111, the first printed circuit board (PCB) 112 and
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 used for accommodating the first printed circuit board (PCB) 112 and the second print
Printed circuit board 113.Refer to Fig. 3 to Fig. 5, be shown as the detailed construction schematic diagram outwardly and inwardly of module housing 111.
As shown in figure 3, in the present embodiment, described module housing 111 left and right sides is respectively provided with the first snap fit 111a, such as schemes
Shown in 6, in the present embodiment, described frame shell 121 both sides correspondence is respectively provided with a snap fit groove 121e, when described plug-in module
First snap fit 111a described in during the 11 described support 12 of insertion 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, extrudes first described in during described dismounting briquetting 111b
Snap fit 111a exits described snap fit groove 121e.As shown in figure 3, wherein, dismounting briquetting 111b is provided with some antiskid grooves
111b1.
As shown in figure 3, in the present embodiment, described module housing 111 left and right sides is respectively provided with a first snap fit hole
111c, as shown in fig. 7, in the present embodiment, described module bottom 114 both sides are respectively provided with a second snap fit 114a, when described
When module bottom 114 is inserted in described module housing 111 bottom, described second snap fit 114a snaps in and is fixed on described first card
Hook hole 111c.
As shown in figure 4, being additionally provided with mistake proofing slot 111i inside module housing 111, as shown in fig. 7, described module bottom 114
It is correspondingly provided with mistake proofing cutting 114d, 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 left and right sides is respectively provided with a gathering sill 111d, such as
Shown in Fig. 6, in the present embodiment, it is correspondingly provided with guide edge 121f in described frame shell 121, in order to when described plug-in module 11
Insert and guided during 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 fig. 6,
In the present embodiment, it is correspondingly provided with sign 121g in described frame shell 121, in order to insert institute when described plug-in module 11
State and guided during support 12.
Additionally, in the present embodiment, as shown in figure 3, in the present embodiment, the surface of described module housing 111 is additionally provided with
In order to show the label display layer 111e of Surge Protector label.
As shown in figure 5, in the present embodiment, the inwall of opposite sides in module housing 111 is respectively formed with and supplies the respectively
One printed circuit board (PCB) 112 and the second printed circuit board (PCB) 113 pass through and fix the first printed circuit board (PCB) 112 and the second printed circuit board (PCB)
113 slot 111h, wherein, described slot 111h is integrally formed with described module housing 111.
As shown in figure 5, in the present embodiment, the top of residing slot 111h has guiding chamfering 111g, for
Guiding during printed circuit board (PCB) insertion module housing 111, so that printed circuit board (PCB) smoothly inserts module housing 111.
It is provided with altogether four slot 111h, each two slot 111h is located at module housing 111 in described module housing 111
Same surface, each printed circuit board (PCB), when inserting module housing 111, needs two slot 111h positioned at same surface solid
Its two ends fixed, that is, two slot 111h being located at same surface fix the first printed circuit board (PCB) 112, positioned at same surface in addition
Two slot 111h fix the second printed circuit board (PCB) 113.
Additionally, the interval between two slot 111h of the corresponding insertion in the two ends of a printed circuit board (PCB) and printed circuit
The width of plate matches, and the printed circuit board (PCB) after insertion should be made to fix, and will not move or loosen.
Specifically, in the present embodiment, as shown in figure 8, on module housing inwall the same side two slots be one group, interior
The spacing of two group slots of wall both sides is different, spacing width and second printing with the first printed circuit board (PCB) respectively of two group slots
The width of circuit board is corresponding.
In fig. 8, the spacing of two slots of such as module housing inwall upper surface is a, module housing interior lower surface
The spacing of two slots be 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) and b pair
Should, then in assembling, first circuit board inserts two slots of module housing inwall upper surface, and second circuit board inserts module case
Two slots of body interior lower surface.
As shown in figure 4, in the present embodiment, the concrete structure of described slot 111h is couch T-shaped, wherein, couches
The vertical portion of T word is partly divided into upper and lower two spaces anyhow afterwards, and wherein printed circuit board (PCB) insertion vertical portion is by portion anyhow
The lower space being divided into, anyhow partly becomes one and stops the stop part moving on printed circuit board (PCB).
Shown in Fig. 9, in the present embodiment, the first printed circuit board (PCB) 112 and the second printed circuit board (PCB) 113, opposing parallel sets
It is placed in described module housing 111 and between the first printed circuit board (PCB) 112 and the second printed circuit board (PCB) 113, there is necessary electric leakage
Distance and air distance, as shown in Figure 10, in the present embodiment, the first printed circuit board (PCB) 112 and the second printed circuit board (PCB) 113 are equal
There is the calvus 112b for being connected with described panel wiring terminal, carry out in Figure 10 taking the first printed circuit board (PCB) 112 as a example
Explanation.
In the present embodiment, here, the first printed circuit board (PCB) 112 and the second printed circuit board (PCB) 113 have by corrosion
Protection element and peripheral circuit that structure correspondingly electrically connects.Meanwhile, the calvus 112b and first in the first printed circuit board (PCB) 112
Printed circuit board (PCB) 112 is formed simultaneously, is structure as a whole, the calvus 112b in the second printed circuit board (PCB) 113 and the second printed circuit
Plate 113 is also formed simultaneously, is structure as a whole.
It can be seen that, in the present embodiment, the first printed circuit board (PCB) 112 and the second printed circuit board (PCB) 113 are by being formed at mould
Slot 111h on the inwall of block housing 111 receiving space opposite sides is directly anchored in module housing 111, does not borrow
Help other any assemblies, and by the slot corresponding to each other between the first printed circuit board (PCB) 112 and the second printed circuit board (PCB) 113
111h realizes necessary leakage distance and air distance in interval.
As shown in Figure 10, in the present embodiment, the one side of described first printed circuit board (PCB) 112 and described second printed circuit
The one side of plate 113 scribbles electrodeposited coating 112a, illustrates in Figure 10 taking the first printed circuit board (PCB) 112 as a example.By electrodeposited coating
112a, can guide the pulse current of protector requirement.Described first printed circuit board (PCB) 112 and described second printed circuit board (PCB) 113
When loading described module housing 111, two electrodeposited coating 112a are relatively.
As seen in figs. 7 and 11, in the present embodiment, module bottom 114 is inserted in the bottom of described module housing 111,
Module bottom 114 is provided with for fixing described first printed circuit board (PCB) 112 and described second printed circuit board (PCB) 113 and for described the
The locating slot 114b that calvus 112b in one printed circuit board (PCB) 112 and described second printed circuit board (PCB) 113 leans out.Described first print
Printed circuit board 112 and described second printed circuit board (PCB) 113 are designed to the form with the calvus 112b stretching out, when described first
When printed circuit board (PCB) 112 and described second printed circuit board (PCB), 113 load module housing 111, on calvus 112b and module bottom 114
Locating slot 114b correspond to, locating slot 114b plays the role of positioning.
Described module bottom 114, the one side of described first printed circuit board (PCB) 112 and described second printed circuit board (PCB) 113
It is linked and packed as shown in figure 11.
As shown in fig. 7, the surface of module bottom 114 is additionally provided with instruction letter, respectively with the first printed circuit board (PCB) 112 and the
Letter on two printed circuit board (PCB)s 113 is corresponding, plays instruction function.
Additionally, in the present embodiment, as shown in fig. 7, described module bottom 114 bottom outside has avoiding misinsertion boss 114c,
As shown in fig. 6, in the present embodiment, it is correspondingly provided with mistake proofing jack 121h in described frame shell 121, in described plug-in module 11
Insert during described support 12 in order to prevent misplug.
Specifically, in the present embodiment, described avoiding misinsertion boss 114c is the triangular prism of fillet；Described mistake proofing jack 121h
Correspond to the tri-prism hole of fillet.
2nd, support 12
As shown in figure 12, in the present embodiment, described support 12 includes frame shell 121 and grounding contact 122, support 12
The derived current of Surge Protector 1 reliably can be directed on hat guide rail 2.Below to frame shell 121 and grounding contact
122 are described in detail.
As shown in figure 13, in the present embodiment, have inside described frame shell 121 and described first printed circuit board (PCB)
112 link blocks being connected with the calvus 112b in described second printed circuit board (PCB) 113.
As shown in figure 13, the link block in described frame shell 121 includes：First connection end 121a, the second connection
End 121b, the first bridge part 121c and the second bridge part 121d.
In the present embodiment, first connecting portion is connected end 121b with second and has identical structure, but symmetrical in structure.
Illustrate taking the second connection end 121b as a example.As shown in figure 14, each connects end and includes：Wiring inserts 121b1；With
The junction block 121b2 that connection inserting part is connected；Insert the long a pair spring fingers 121b4 of described junction block 121b2 and a pair respectively
Short spring fingers 121b3.Long a pair spring fingers 121b4 is oppositely arranged, and short a pair spring fingers 121b3 is also oppositely arranged, and one
Long spring fingers 121b4 and short a pair spring fingers 121b3 is be arranged in parallel, that is, a long spring fingers 121b4 and one short
Spring fingers 121b3 is generally aligned in the same plane.
First bridge part 121c and the second bridge part 121d has identical structure, carries out taking the first bridge part 121c as a example
Explanation.In the present embodiment, as shown in figure 15, the first bridge part 121c includes：Bridge joint seat 121c1；Long bridge joint copper sheet 121c2,
In matrix, it is attached at described bridge joint seat 121c1 surface and top and stretches out in the top of described bridge joint seat 121c1；Minibridge connects copper sheet
121c3, in matrix, is attached at described bridge joint seat 121c1 surface and in 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 connect copper sheet
As the diagram of arrow indication in Figure 15 after 121c3 connection.
When connecting after the completion of end and bridge part assemble respectively, first two are connected ends and load frame shells 121, then will
Two bridge parts embed two connection ends, make spring fingers respectively at bridge joint copper sheet contact, spring fingers and bridge joint copper sheet
The way of contact is specifically as shown in figure 16.
As shown in figure 17, in the present embodiment, when described plug-in module 11 is not inserted into described support 12, described long spring
Corresponding and described long bridge joint copper sheet 121c2 and described minibridge connect copper sheet to bluff piece 121b4 and described short spring fingers 121b3 respectively
121c3 contacts；Now, electric current completes loop, current pass by spring fingers and bridge joint copper sheet, and therefore, spring fingers are simultaneously
Meet the function of connecting and contact output.
After described plug-in module 11 inserts described support 12, the calvus of the printed circuit board (PCB) in described plug-in module 11
112b inserts between each spring fingers and bridge joint copper sheet, and spring fingers are contacted with printed circuit board (PCB).Spring fingers and printed circuit
Plate contacts, the calvus no conductive contact of bridge joint copper sheet and printed circuit board (PCB), and electric current passes through the pawl of spring fingers and printed circuit board (PCB)
The contact of piece, enters plug-in module, forms loop.
As shown in fig. 6, in the present embodiment, described frame shell 121 top has for described first printed circuit board (PCB) 112
The groove 121i passing through with the calvus 112b in described second printed circuit board (PCB) 113, when plug-in module 11 insertion support 12, institute
State the first printed circuit board (PCB) 112 and calvus 112b that described second printed circuit board (PCB) 113 is stretched out inserts machine by this groove 121i
Seat shell body 121, and contact with the spring fingers in frame shell 121.
As shown in fig. 6, in the present embodiment, the both sides of described frame shell 121 are provided with order to lock wiring spiral shell during wiring
The bolt-tightening through holes 121j of bolt；The both sides of described frame shell 121 are additionally provided with the wiring through hole 121k in order to logical line simultaneously.
As shown in fig. 6, in the present embodiment, described frame shell 121 bottom is provided with guide rail hook 121m, in order to ought described connect
Ground contact 122 catches on described guide rail 2 when connecting to described guide rail 2.Guide rail hook 121m is used for being attached to guide rail when frame shell 121
Catch on guide rail 2 when 2, play stationary positioned effect.
As shown in figure 18, it is provided with the isolation bar 121o for isolating each spring fingers inside described frame shell 121.
As shown in figs. 1 and 12, grounding contact 122 is inserted in the bottom of described frame shell 121 and is used for supporting described machine
Seat shell body 121 simultaneously will be fixing to described frame shell 121 and described guide rail 2.
Specifically, as shown in figure 19, in the present embodiment, described grounding contact 122 is except including and the described first printing
Circuit board 112 is connected with the calvus 112b in described second printed circuit board (PCB) 113 makes described first printed circuit board (PCB) 112 and described
Second printed circuit board (PCB) 113 is set up outside the grounded metal 122e of electrical connection, and described grounding contact 122 also includes：Two ends are groove
The grounding base 122b of shape；It is installed in described grounding base 122b one end the slide block 122c that can slide along this end；Parallel to described cunning
Block 122c and one end is connected with described grounding base 122b, the other end is connected with described slide block 122c and is existed with limiting described slide block 122c
The spring 122d sliding in certain limit.As shown in figure 20, it is shown as slide block 122c and spring 122d and grounding base 122b to assemble
Schematic diagram afterwards.
Wherein, as shown in figure 21, in the present embodiment, grounded metal 122e has one for described first printed circuit
The spring detent 122e1 that plate 112 is connected with the calvus 112b in described second printed circuit board (PCB) 113.
As shown in figure 21, described grounded metal 122e also has first connecting portion 122e2, by spring detent 122e1 bottom one
The extension of side is formed, and the end bending 122e2a and described grounding base 122b of described first connecting portion 122e2 links, and first even
The socket part 122e2 surface 122e2b 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 second connecting portion 122e3, another by spring detent 122e1 bottom
The extension of side is formed, and described second connecting portion 122e3 includes being formed at described extension both sides for hooking the two of guide rail 2
Individual metal crotch (the first metal crotch 122e3a and the second metal crotch 122e3b), and be located at described two metal crotches it
Between for contacting with guide rail 2 and making grounded metal 122e contact close spring-latch 122e3c with guide rail 2.
Each part of described grounding contact 122 inserts frame shell 121 fixing, wherein grounded metal 122e after assembling
All the time contact with the first printed circuit board (PCB) 112 and the second printed circuit board (PCB) 113, the way of contact is identical with Figure 17.
As shown in fig. 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 is correspondingly provided with the 3rd snap fit 122a, when described grounding contact 122 is inserted in described machine
During seat shell body 121 bottom, described 3rd snap fit 122a blocks the second snap fit hole 121n.
After frame shell 121 and grounding contact 122 assemble respectively, frame shell 121 is snapped in by grounding contact 122, and
It is fixed on guide rail 2.
In sum, a kind of Surge Protector of the present invention, has the advantages that：
The Surge Protector structure of the present invention is novel, installs simply firm, good stability, with panel wiring terminal structure
When connected, can effectively suppress the surge on panel wiring terminal structure circuit and instantaneous overvoltage and overcurrent.So, this
Bright effectively overcome various shortcoming of the prior art and have high industrial utilization.
Above-described embodiment only principle of the illustrative present invention and its effect, not for the restriction present invention.Any ripe
The personage knowing this technology all can carry out modifications and changes without prejudice under the spirit and the scope of the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete with institute under technological thought without departing from disclosed spirit such as
All equivalent modifications becoming or change, must be covered by the claim of the present invention.
Claims (20)
1. a kind of Surge Protector, for being connected with panel wiring terminal structure to suppress on panel wiring terminal structure circuit
Surge, described Surge Protector includes the plug-in module in the support being securable on guide rail and this support of insertion, and its feature exists
In：
Described plug-in module includes：
In hood-like module housing；
First printed circuit board (PCB) and the second printed circuit board (PCB), relatively and be set in parallel in described module housing and the first printing electricity
There is between road plate and the second printed circuit board (PCB) necessary leakage distance and air distance, the first printed circuit board (PCB) and the second printing
Circuit board is respectively provided with 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
Two printed circuit board (PCB)s the locating slot leaning out for the calvus in described first printed circuit board (PCB) and described second printed circuit board (PCB)；
Described support includes：
Frame shell, top had for leading to that the calvus in described first printed circuit board (PCB) and described second printed circuit board (PCB) passes through
Groove, inside has the link block being connected with the calvus in described first printed circuit board (PCB) and described second printed circuit board (PCB)；
Grounding contact, the bottom being inserted in described frame shell is used for supporting described frame shell and by described frame shell and institute
State guide rail to fix；Described grounding contact includes and the calvus phase in described first printed circuit board (PCB) and described second printed circuit board (PCB)
Described first printed circuit board (PCB) and described second printed circuit board (PCB) is even made to set up the grounded metal of electrical connection；
Described module bottom bottom outside has avoiding misinsertion boss, is correspondingly provided with mistake proofing jack in described frame shell, inserts described
Withdrawing pattern block inserts during described support in order to prevent misplug；
Respectively it is formed with the inwall of opposite sides in module housing and supply the first printed circuit board (PCB) and the second printed circuit board (PCB) to lead to respectively
Cross and fix the first printed circuit board (PCB) and the slot of the second printed circuit board (PCB).
2. Surge Protector according to claim 1 is it is characterised in that the described module housing left and right sides is respectively provided with first
Snap fit, described frame shell both sides are respectively provided with a snap fit groove, the first card described in when described plug-in module inserts described support
Hook snaps in described snap fit groove；Also respectively there are a dismounting briquetting, extruding described dismounting briquetting when institute in the described module housing left and right sides
State the first snap fit and exit described snap fit groove.
3. Surge Protector according to claim 2 it is characterised in that described dismounting briquetting be provided with some anti-skidding recessed
Groove.
4. Surge Protector according to claim 1 is it is characterised in that the described module housing left and right sides is respectively provided with one
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 case
During body bottom, described second snap fit snaps in and is fixed on described first snap fit hole.
5. Surge Protector according to claim 1 is it is characterised in that the described module housing left and right sides is respectively provided with one
Gathering sill, is correspondingly provided with guide edge in corresponding described frame shell, in order to carry out when described plug-in module inserts described support
Guiding.
6. Surge Protector according to claim 1 is it is characterised in that described module housing surface is provided with arrow,
It is correspondingly provided with sign, in order to be guided when described plug-in module inserts described support in described frame shell.
7. Surge Protector according to claim 1 is it is characterised in that the surface of described module housing is provided with to show
The label display layer of Surge Protector label.
8. Surge Protector according to claim 1 is it is characterised in that the one side of described first printed circuit board (PCB) and described
The one side of the second printed circuit board (PCB) scribbles electrodeposited coating, and described first printed circuit board (PCB) and described second printed circuit board (PCB) loading are described
During module housing, two electrodeposited coatings are relatively.
9. Surge Protector according to claim 1 it is characterised in that on module housing inwall the same side two slots
For one group, the spacing of two group slots of inwall both sides is different, the spacing width with the first printed circuit board (PCB) respectively of two group slots
Corresponding with the width of the second printed circuit board (PCB).
10. Surge Protector according to claim 1 is it is characterised in that the exterior side port of described slot has chamfering.
11. Surge Protectors according to claim 1 are it is characterised in that described avoiding misinsertion boss is the triangular prism of fillet；
Described mistake proofing jack corresponds to the tri-prism hole of fillet.
12. Surge Protectors according to claim 1 it is characterised in that being additionally provided with mistake proofing slot inside module housing, institute
State module bottom and be correspondingly provided with mistake proofing cutting, when described module bottom inserts described module housing in order to prevent wrong plug.
13. Surge Protectors according to claim 1 are it is characterised in that the link block in described frame shell includes：
First connection end, the second connection end, the first bridge part and the second bridge part, wherein：
Each connects end and includes：
Wiring inserts；
The junction block being connected with connection inserting part；
Insert long a pair spring fingers of described junction block and short a pair spring fingers respectively；
Each bridge part includes：
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, in matrix, is attached at described bridge joint seating face and in the concave regions of described long bridge joint copper sheet, with
Shi Dingduan stretches out in the top of described bridge joint seat；
When described plug-in module is not inserted into described support, described long spring fingers and described short spring fingers correspond to and institute respectively
State long bridge joint copper sheet and connect copper sheet with described minibridge and contact, electric current by spring fingers and bridges copper sheet and completes loop, current pass；
After described plug-in module inserts described support, the calvus of the printed circuit board (PCB) in described plug-in module insert each spring fingers with
Between bridge joint copper sheet, spring fingers are contacted with printed circuit board (PCB), the calvus no conductive contact of bridge joint copper sheet and printed circuit board (PCB), electricity
Stream passes through spring fingers contact with the calvus of printed circuit board (PCB), enters plug-in module, forms loop.
14. Surge Protectors according to claim 13 are it is characterised in that be provided with for isolating inside described frame shell
The isolation bar of each spring fingers.
15. Surge Protectors according to claim 1 are it is characterised in that the both sides of described frame shell are provided with to connect
The bolt-tightening through holes of connection bolt are locked during line；The wiring that the both sides of described frame shell are additionally provided with order to logical line simultaneously is led to
Hole.
16. Surge Protectors according to claim 1, it is characterised in that described frame shell bottom is provided with guide rail hook, are used
To catch on described guide rail when described grounding contact connects to described guide rail.
17. Surge Protectors according to claim 1 are it is characterised in that described grounding contact also includes：
Two ends are the grounding base of channel-shaped；
It is installed in described grounding base one end the slide block sliding along this end；
Parallel to described slide block and one end is connected with described grounding base, the other end is connected with described slide block and is existed with limiting described slide block
The spring sliding in certain limit.
18. Surge Protectors according to claim 17 it is characterised in that described frame shell is provided with the second snap fit hole,
Described grounding base is correspondingly provided with the 3rd snap fit, when described grounding contact is inserted in described frame shell bottom, described 3rd card
Hook blocks the second snap fit hole.
19. Surge Protectors according to claim 17 are used for described first it is characterised in that grounded metal has one
The spring detent that printed circuit board (PCB) is connected with the calvus in described second printed circuit board (PCB).
20. Surge Protectors according to claim 19 are it is characterised in that described grounded metal also has：
First connecting portion, is formed by the extension of spring detent bottom side, and the end bending of described first connecting portion is connect with described
Ground seat links, and the first connecting portion surface relative with guide rail is for the sunk surface with guide rail contact；
Second connecting portion, is formed by the extension of spring detent bottom opposite side, described second connecting portion include being formed at described in prolong
Stretch section both sides for hooking two metal crotches of guide rail and being located between described two metal crotches for guide rail contact simultaneously
Make grounded metal and the close spring-latch of 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 CN104659502A (en) | 2015-05-27 |
| CN104659502B true CN104659502B (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310585812.2A Active CN104659502B (en) | 2013-11-19 | 2013-11-19 | Surge protector |
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| Country | Link |
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| CN (1) | CN104659502B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015214969A1 (en) * | 2015-08-05 | 2017-02-09 | Phoenix Contact Gmbh & Co. Kg | Surge protection devices Ensemble |
| JP6551980B2 (en) * | 2015-10-26 | 2019-07-31 | 株式会社サンコーシヤ | Surge protection device and surge protection system |
| EP3458932A4 (en) * | 2016-05-20 | 2020-04-29 | Erico International Corporation | Distribution block with integrated surge protective device |
| CN108448556B (en) * | 2018-02-23 | 2019-08-09 | 广东天文防雷工程有限公司 | A kind of pluggable surge protector |
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| 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 |
| CN101438462A (en) * | 2006-05-09 | 2009-05-20 | 德恩及索恩两合股份有限公司 | Multipolar lightning current arrester and/or surge arrester in a terminal block arrangement |
| 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 |
| CN203607559U (en) * | 2013-11-19 | 2014-05-21 | 上海辰竹仪表有限公司 | Surge protector |
| CN104242281A (en) * | 2013-06-20 | 2014-12-24 | 町洋机电(中国)有限公司 | Surge protector with protection module capable of being plugged without interrupting signals |
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2013
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Patent Citations (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 |
| CN101438462A (en) * | 2006-05-09 | 2009-05-20 | 德恩及索恩两合股份有限公司 | Multipolar lightning current arrester and/or surge arrester in a terminal block arrangement |
| 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 |
| CN104242281A (en) * | 2013-06-20 | 2014-12-24 | 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 |
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| Publication number | Publication date |
|---|---|
| CN104659502A (en) | 2015-05-27 |
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