CN209658899U - A kind of surge discharge device - Google Patents
A kind of surge discharge device Download PDFInfo
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- CN209658899U CN209658899U CN201920600990.0U CN201920600990U CN209658899U CN 209658899 U CN209658899 U CN 209658899U CN 201920600990 U CN201920600990 U CN 201920600990U CN 209658899 U CN209658899 U CN 209658899U
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Abstract
The utility model provides a kind of surge discharge device, two major loop electrodes and target are laminated structure, the setting of two major loop electrode faces, target are set between two major loop electrodes, and trigger terminal, major loop electrode and target are electrically connected and are fixed on pcb board；Graphite flake is equipped with N number of, and N number of graphite flake is divided into two groups, and one group of graphite flake is m, and another group of graphite flake is n；Insulating trip is equipped with two groups, and one group of insulating trip is m-1, and another group of insulating trip is n-1；M-1 insulating trip forms the first graphite gaps structure with m graphite flake, n-1 insulating trip forms the second graphite gaps structure with n graphite flake, first graphite gaps structure is fixed between a major loop electrode and target, second graphite gaps structure is fixed between another major loop electrode and target, trigger terminal is equipped with N number of, graphite flake is respectively contacted with a trigger terminal, convenient for reducing the quantity for the surge discharge device being connected on three-phase power supply system.
Description
Technical field
The utility model belongs to overcurrent protection technical field, is to be related to a kind of surge discharge device more specifically.
Background technique
Due to various reasons, often there is overvoltage in electric system, these overvoltage include lightning strike induction voltage, connect
Switching overvoltage caused by capacitive load and shutdown inductive load, overvoltage caused by other power network fluctuations etc..These overvoltage
Electrical equipment can be damaged.Surge protector (SPD is commonly called as lightning protection device) usually it is in parallel with electrical equipment in circuit,
Electrical equipment is protected to damage by various overvoltage using the voltage-sensitive characteristic of SPD, it is especially expensive, accurate, can not
Intermittent electrical equipment, such as communication base station room, financial system, stock exchange trading system, high value electrical equipment etc. are related to electricity
Equipment and system, these equipment and system can be made from the transient state caused by thunder and lightning or the other reasons using surge protector
The infringement of overvoltage.
Existing clearance type surge device includes: two major loop electrodes, and major loop electrode is punching press or the piece being crushed to
Shape structure；It is arranged as N number of graphite flake of a column, is located between two major loop electrodes, wherein N >=2, the graphite positioned at both ends
Piece is respectively at two major loop contact electrodes；N-1 cyclic annular insulating trip, the adjacent graphite flake is with the cyclic annular insulating trip
It separates, makes to form graphite gaps between the adjacent graphite flake；Less than N number of graphite gaps igniter, each graphite
Gap igniter both corresponds to graphite flake setting, and each graphite gaps igniter includes trigger terminal and capacitor,
One end of trigger terminal is connected to capacitor, the marginal portion Elastic Contact of the corresponding graphite flake of the other end of trigger terminal.
But when by the clearance type surge device on three-phase power supply system, need the combination two clearance type surge devices
Together, make their complete and electrical communications in structure, the line that will lead between clearance type surge device is longer, to electricity
Releasing for gushing is totally unfavorable.
Utility model content
The purpose of this utility model is to provide a kind of surge discharge device, with solve it is existing in the prior art should between
When gap type surge device is on three-phase power supply system, combining two clearance type surge devices is needed, it is made
Complete in the structure and electrical communication the technical issues of.
In order to achieve the above purposes, the technical solution adopted by the utility model is: provides a kind of surge discharge device, including two
Major loop electrode, target, pcb board, graphite flake, insulating trip and trigger terminal, the two major loop electrodes and it is described in
Between electrode be laminated structure, the two major loop electrode faces settings, the target is set to the two major loops electricity
Between pole, the trigger terminal, the major loop electrode and the target are electrically connected and are fixed on the pcb board；
The graphite flake is equipped with N number of, and N number of graphite flake is divided into two groups, and one group of the graphite flake is m, another group
The graphite flake be n；
The insulating trip is equipped with two groups, and one group of the insulating trip is m-1, and another group of the insulating trip is n-1；
The m-1 insulating trips and the m graphite flakes form the first graphite gaps structure, the n-1 insulating trips and n
A graphite flake forms the second graphite gaps structure, the first graphite gaps structure be fixed on a major loop electrode and
Between the target, the second graphite gaps structure be fixed on another major loop electrode and the target it
Between, the trigger terminal be equipped with it is N number of, the graphite flake is respectively contacted with a trigger terminal.
Further, the trigger terminal includes insert-connecting plate, connection sheet and elastic piece, one end grafting institute of the insert-connecting plate
It states on pcb board, the other end of the insert-connecting plate is fixed in the connection sheet, and the connection sheet is electrically connected to the pcb board,
The side of the connection sheet abuts against on the one side of the pcb board, and one end of the elastic piece is electrically connected and is fixed on described
In connection sheet, the border elastic of the corresponding graphite flake of the other end of the elastic piece is contacted.
Further, it is connected to there are two the insert-connecting plate settings in a connection sheet, the insert-connecting plate, the company
Contact pin and the elastic piece integrally connected.
Further, the periphery of the major loop electrode is equipped with the first convex block, and the pcb board is equipped with the first interface,
First convex block is connected in first interface.
Further, the periphery of the target is equipped with the second convex block, and the pcb board is equipped with the second interface, institute
It states the second convex block and is connected in second interface.
It further, further include a positioning mechanism, the positioning mechanism is integral type U-shaped structure, in the positioning mechanism
Equipped with for being clamped the locating slot for positioning the graphite flake, the insulating trip and the target, the graphite flake, it is described absolutely
Embolium and the target are set in the positioning mechanism vertically, and the target is arranged in the locating slot, described
Major loop electrode is located at outside the locating slot.
Further, the positioning mechanism is connect with the major loop electrode replaceable.
It further, further include pedestal, the pedestal is framework, the major loop electrode, the target, described
Pcb board, the graphite flake, the insulating trip, the trigger terminal and the positioning mechanism are arranged in the pedestal, and the master returns
Path electrode and the target extend to outside the pedestal.
It further, further include upper cover, the pedestal is connected in the upper cover, the major loop electrode and the centre
Electrode extends to outside the upper cover.
Further, at least three support rods, the support on the upper lid are fixed on the upper cover or the pedestal
Bar is used to vertically place the upper cover support rod in the horizontal plane or on the pedestal for the pedestal is vertical
It places in the horizontal plane.
A kind of beneficial effect of surge discharge device provided by the utility model is: compared with prior art, this is practical
Novel target is common electrode, long cabling is avoided, convenient for releasing for surge.It is connected to two major loop electrodes and centre
The relieving capacity of the route of electrode is stronger, the ability of the surge of releasing of the first graphite gaps structure a and the second graphite gaps structure b
It is directly proportional to the sectional area of graphite.Major loop electrode and target be laminated structure make the volume of the surge discharge device compared with
It is small, it is easily installed.Trigger terminal is convenient for graphite flake to be electrically connected with pcb board, to make other yuan of device on graphite flake and pcb board
Part electrical connection.When connecting a three-phase power supply system, it is only necessary to use the surge discharge device, reduce surge and put
The quantity of electric installation further reduces the volume for being connected to surge discharge device, very convenient.Surge discharge device installation letter
It is single, the speed of manually installed surge discharge device is improved, cost of labor is reduced.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of configuration schematic diagram of surge discharge device provided by the embodiment of the utility model；
Fig. 2 is a kind of local explosion structure diagram of surge discharge device provided by the embodiment of the utility model.
Wherein, each appended drawing reference in figure:
1, major loop electrode；11, the first convex block；2, target；21, the second convex block；3, pcb board；31, the first grafting
Mouthful；32, the second interface；4, graphite flake；5, insulating trip；45a, the first graphite gaps structure；45b, the second graphite gaps structure；
6, trigger terminal；61, insert-connecting plate；62, connection sheet；63, elastic piece；7, positioning mechanism；71, locating slot；72, screw；8, pedestal；
9, upper cover；10, support rod.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed
System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
Also referring to Fig. 1 and Fig. 2, now a kind of surge discharge device provided by the utility model is illustrated.It is a kind of
Surge discharge device, including two major loop electrodes 1, target 2, pcb board 3, graphite flake 4, insulating trip 5 and trigger terminal 6,
Two major loop electrodes 1 and target 2 are laminated structure, and two major loop electrodes, 1 face is arranged, and target 2 is set to two
Between major loop electrode 1, trigger terminal 6, major loop electrode 1 and target 2 are electrically connected and are fixed on pcb board 3；
Graphite flake 4 is equipped with N number of, and it is two groups that N number of graphite flake 4, which is divided to, and one group of graphite flake 4 is m, another group of graphite flake 4
It is n；
Insulating trip 5 is equipped with two groups, and one group of insulating trip 5 is m-1, and another group of insulating trip 5 is n-1；
M-1 insulating trip 5 and m composition the first graphite gaps structure 45a of graphite flake 4, n-1 insulating trip 5 and n graphite
Piece 4 forms the second graphite gaps structure 45b, the first graphite gaps structure 45a and is fixed on a major loop electrode 1 and target 2
Between, the second graphite gaps structure 45b is fixed between another major loop electrode 1 and target 2, and trigger terminal 6 is equipped with N
A, graphite flake 4 is respectively contacted with a trigger terminal 6.
A kind of surge discharge device provided by the utility model, compared with prior art, target 2 are common electrode,
Long cabling is avoided, convenient for releasing for surge.Be connected to the relieving capacity of the route of two major loop electrodes 1 and target 2 compared with
By force, the ability of the surge of releasing of the first graphite gaps structure 45a and the second graphite gaps structure 45b and the sectional area of graphite are at just
Than.Major loop electrode 1 and target 2 are the small volume that laminated structure makes the surge discharge device, are easily installed.Triggering
Terminal 6 is convenient for graphite flake 4 to be electrically connected with pcb board 3, so that graphite flake 4 be made to be electrically connected with other components on pcb board 3.In
When connecting a three-phase power supply system, it is only necessary to use the surge discharge device, reduce the number of surge discharge device
Amount, further reduces the volume for being connected to surge discharge device, very convenient.Surge discharge device installation is simple, improves people
Work installs the speed of surge discharge device, reduces cost of labor.
Further, also referring to Fig. 1 and Fig. 2, as a kind of surge discharge device provided by the utility model one
Kind specific embodiment, trigger terminal 6 include insert-connecting plate 61, connection sheet 62 and elastic piece 63, one end grafting PCB of insert-connecting plate 61
On plate 3, the other end of insert-connecting plate 61 is fixed in connection sheet 62, and connection sheet 62 is electrically connected to pcb board 3, and the one of connection sheet 62
Side abuts against on the one side of pcb board 3, the electrical connection of one end of elastic piece 63 and is fixed in connection sheet 62, elastic piece 63 it is another
The border elastic of the corresponding graphite flake 4 in one end contacts.
The insert-connecting plate 61 of trigger terminal 6 is plugged on pcb board 3, keeps the fixation of trigger terminal 6 more stable.Connection sheet 62
The contact area of trigger terminal 6 Yu pcb board 3 is increased, connection sheet 62 cooperates insert-connecting plate 61 to keep the installation of trigger terminal 6 fixed more
Add stablize and conveniently.The border elastic of the corresponding graphite flake 4 of the other end of elastic piece 63 contacts, guarantee trigger terminal 6 with
The stability that graphite flake 4 connects.Trigger terminal 6 and the edge of graphite flake 4 can be steadily contacted, and guarantee surge discharge device just
It is often used.
Further, also referring to Fig. 1 and Fig. 2, as a kind of surge discharge device provided by the utility model one
Kind specific embodiment is connected to there are two the settings of insert-connecting plate 61 on a connecting piece 62, insert-connecting plate 61, connection sheet 62 and elasticity
63 integrally connected of piece.
There are two the settings of insert-connecting plate 61 in one trigger terminal 6, is connected to trigger terminal 6 on pcb board 3 more steady
It is fixed.The structure of trigger terminal 6 is simple, easy to process, convenient for reducing the production cost of surge discharge device.
Further, also referring to Fig. 1 and Fig. 2, as a kind of surge discharge device provided by the utility model one
Kind of specific embodiment, the periphery of major loop electrode 1 are equipped with the first convex block 11, and pcb board 3 is equipped with the first interface 31, and first
Convex block 11 is connected in the first interface 31.
Major loop electrode 1 is plugged on pcb board 3, increases the contact area of major loop electrode 1 Yu pcb board 3, makes to lead back
The installation of path electrode 1 is fixed more stable and conveniently.
Further, also referring to Fig. 1 and Fig. 2, as a kind of surge discharge device provided by the utility model one
Kind specific embodiment, the periphery of target 2 are equipped with the second convex block 21, and pcb board 3 is equipped with the second interface 32, and second is convex
Block 21 is connected in the second interface 32.
Target 2 is plugged on pcb board 3, increases the contact area of target 2 Yu pcb board 3, makes target 2
Installation it is fixed more stable and conveniently.
Further, also referring to Fig. 1 and Fig. 2, as a kind of surge discharge device provided by the utility model one
Kind specific embodiment further includes a positioning mechanism 7, and positioning mechanism 7 is integral type U-shaped structure, is equipped with and is used in positioning mechanism 7
The locating slot 71 of clamping positioning graphite flake 4, insulating trip 5 and target 2, graphite flake 4, insulating trip 5 and target 2 are vertical
In positioning mechanism 7, target 2 is arranged in locating slot 71, and major loop electrode 1 is located at outside locating slot 71.
Locating slot 71 is convenient in 2 snap positioning slot 71 of insulating trip 5, insulating trip 5 and target, reduction graphite flake 4 insulate
Piece 5 and the aerial area of the exposure of target 2, make graphite flake 4, insulating trip 5 and target 2 be not easily susceptible to external environment
Influence.Meanwhile the time that graphite flake 4, insulating trip 5 and target 2 assemble is reduced by positioning mechanism 7, it is very convenient.
Further, also referring to Fig. 1 and Fig. 2, as a kind of surge discharge device provided by the utility model one
Kind specific embodiment, positioning mechanism 7 are detachably connected with major loop electrode 1.
It is fixed because major loop electrode 1 is fixed on pcb board 3 when positioning mechanism 7 is connect with two major loop electrodes 1
Position mechanism 7 be fixed on pcb board 3, thus positioning mechanism 7 be not easy with pcb board 3 be detached from, make positioning mechanism 7 be not easy with graphite flake 4,
Insulating trip 5 and target 2 are detached from.
Specifically, positioning mechanism 7 is connect with major loop electrode 1 by screw 72.
Further, also referring to Fig. 1 and Fig. 2, as a kind of surge discharge device provided by the utility model one
Kind of specific embodiment, further includes pedestal 8, and pedestal 8 is framework, major loop electrode 1, target 2, pcb board 3, graphite flake 4,
Insulating trip 5, trigger terminal 6 and positioning mechanism 7 are arranged in pedestal 8, and major loop electrode 1 and target 2 extend to outside pedestal 8.
Pedestal 8 plays further protection major loop electrode 1, target 2, pcb board 3, graphite flake 4, insulating trip 5, triggering
The effect of terminal 6 and positioning mechanism 7 makes external vibration be not easy to influence major loop electrode 1, target 2, pcb board 3, graphite
The stability of the installation of piece 4, insulating trip 5, trigger terminal 6 and positioning mechanism 7, guarantees the stabilization that the surge discharge device uses
Property.Major loop electrode 1 and target 2 outside pedestal 8 are convenient for line, keep the use of surge discharge device more square
Just.
Further, also referring to Fig. 1 and Fig. 2, as a kind of surge discharge device provided by the utility model one
Kind specific embodiment, further includes upper cover 9, pedestal 8 is connected in upper cover 9, and major loop electrode 1 and target 2 extend to
Outside lid 9.
Major loop electrode 1, target 2, pcb board 3, graphite flake 4, insulating trip 5, trigger terminal 6, positioning mechanism 7 and bottom
Seat 8 is located in upper cover 9.Major loop electrode 1 and target 2 outside upper cover 9 are convenient for line, make surge discharge device
It is more convenient to use.Define that the volume of surge discharge device, the volume of the surge discharge device become smaller by upper cover 9, from
And the volume for the equipment for applying surge discharge device becomes smaller.
Further, also referring to Fig. 1 and Fig. 2, as a kind of surge discharge device provided by the utility model one
Specific embodiment is planted, fixes at least three support rods 10 in upper cover 9 or pedestal 8, the support rod 10 in upper cover 9 is used for upper cover
The 9 vertical support rods 10 placed in the horizontal plane or on pedestal 8 are used to place pedestal 8 in the horizontal plane vertically.
Support rod 10 enables surge discharge device to stablize placement in the horizontal plane, so that the installation of surge discharge device is more
Add stabilization.
Specifically, support rod 10 is provided with 4, which is mounted on by needs by support rod 10, electricity is installed
After gushing on the circuit board of the equipment of electric discharge device, the space between support rod 10 and circuit board can be used for being routed or/and installing
Electronic component device, so that the volume of the equipment of installation surge discharge device is reduced.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of surge discharge device, which is characterized in that including two major loop electrodes, target, pcb board, graphite flake, insulation
Piece and trigger terminal, the two major loop electrodes and the target are laminated structure, and the two major loop electrodes are just
To setting, the target is set between the two major loop electrodes, the trigger terminal, the major loop electrode and institute
It states target electrical connection and is fixed on the pcb board；
The graphite flake is equipped with N number of, and N number of graphite flake is divided into two groups, and one group of the graphite flake is m, another group of institute
Stating graphite flake is n；
The insulating trip is equipped with two groups, and one group of the insulating trip is m-1, and another group of the insulating trip is n-1；
The m-1 insulating trips and the m graphite flakes form the first graphite gaps structure, the n-1 insulating trips and n institute
It states graphite flake and forms the second graphite gaps structure, the first graphite gaps structure is fixed on a major loop electrode and described
Between target, the second graphite gaps structure is fixed between another major loop electrode and the target,
The trigger terminal be equipped with it is N number of, the graphite flake is respectively contacted with a trigger terminal.
2. a kind of surge discharge device as described in claim 1, which is characterized in that the trigger terminal includes insert-connecting plate, connects
Contact pin and elastic piece, on pcb board described in one end grafting of the insert-connecting plate, the other end of the insert-connecting plate is fixed on the company
In contact pin, the connection sheet is electrically connected to the pcb board, and the side of the connection sheet abuts against on the one side of the pcb board,
One end of the elastic piece is electrically connected and is fixed in the connection sheet, the corresponding graphite flake of the other end of the elastic piece
Border elastic contact.
3. a kind of surge discharge device as claimed in claim 2, which is characterized in that be connected to described in a connection sheet
There are two insert-connecting plate settings, the insert-connecting plate, the connection sheet and the elastic piece integrally connected.
4. a kind of surge discharge device as described in claim 1, which is characterized in that the periphery of the major loop electrode is equipped with
First convex block, the pcb board are equipped with the first interface, and first convex block is connected in first interface.
5. a kind of surge discharge device as described in claim 1, which is characterized in that the periphery of the target is equipped with the
Two convex blocks, the pcb board are equipped with the second interface, and second convex block is connected in second interface.
6. a kind of surge discharge device as described in claim 1, which is characterized in that further include a positioning mechanism, the positioning
Mechanism is integral type U-shaped structure, is equipped in the positioning mechanism and positions the graphite flake, the insulating trip and described for being clamped
The locating slot of target, the graphite flake, the insulating trip and the target are set in the positioning mechanism vertically,
The target is arranged in the locating slot, and the major loop electrode is located at outside the locating slot.
7. a kind of surge discharge device as claimed in claim 6, which is characterized in that described in one end of the positioning mechanism and one
The connection of major loop electrode replaceable, the other end of the positioning mechanism are connect with another major loop electrode replaceable.
8. a kind of surge discharge device as claimed in claim 6, which is characterized in that it further include pedestal, the pedestal is framework,
The major loop electrode, the target, the pcb board, the graphite flake, the insulating trip, the trigger terminal and institute
It states positioning mechanism to be arranged in the pedestal, the major loop electrode and the target extend to outside the pedestal.
9. a kind of surge discharge device as claimed in claim 8, which is characterized in that further include upper cover, the pedestal is connected to
In the upper cover, the major loop electrode and the target are extended to outside the upper cover.
10. a kind of surge discharge device as claimed in claim 9, which is characterized in that fixed in the upper cover or the pedestal
At least three support rods, the support rod on the upper lid are in the horizontal plane or described for placing the upper cover vertically
The support rod on pedestal for placing in the horizontal plane the pedestal vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920600990.0U CN209658899U (en) | 2019-04-28 | 2019-04-28 | A kind of surge discharge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920600990.0U CN209658899U (en) | 2019-04-28 | 2019-04-28 | A kind of surge discharge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209658899U true CN209658899U (en) | 2019-11-19 |
Family
ID=68529732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920600990.0U Active CN209658899U (en) | 2019-04-28 | 2019-04-28 | A kind of surge discharge device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209658899U (en) |
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2019
- 2019-04-28 CN CN201920600990.0U patent/CN209658899U/en active Active
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