CN109586265A - With the surge protector for removing foreign matter function - Google Patents
With the surge protector for removing foreign matter function Download PDFInfo
- Publication number
- CN109586265A CN109586265A CN201811635524.2A CN201811635524A CN109586265A CN 109586265 A CN109586265 A CN 109586265A CN 201811635524 A CN201811635524 A CN 201811635524A CN 109586265 A CN109586265 A CN 109586265A
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- CN
- China
- Prior art keywords
- surge protector
- foreign matter
- insulating washer
- ventilation gap
- removing foreign
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/044—Physical layout, materials not provided for elsewhere
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Abstract
It is of the present invention a kind of with the surge protector for removing foreign matter function; due to having insulation cavity between adjacent two panels graphite flake; ventilation gap inner end on insulating washer is connected to the inner hole of insulating washer; ventilation gap outer end extends to the outer edge of insulating washer; in this way, ventilation gap will insulate, cavity is in communication with the outside；When surge protector is impacted by lightning current; the air-flow that lightning current generates can be by the foreign matters such as graphite powder in the cavity that insulate from ventilation gap blowout; it is thus able to maintain more clean in insulation cavity; the insulating capacity for preventing the foreign materials aways such as graphite powder insulation cavity prevents that short circuit occurs between adjacent two panels graphite flake.So that the reliable working performance of surge protector, service life extends.
Description
Technical field
The present invention relates to a kind of with the surge protector for removing foreign matter function, more particularly to a kind of electricity of graphite gaps
Surge protector.
Background technique
Graphite has high temperature resistant, and easy processing, the features such as conducting electricity very well, but graphite rigidity is lower.In lightning protection product
In, the structure of surge protector generally uses multilayer gap, and gap spacing constitutes multiple confined spaces between 0.3-0.5mm.
Provided according to GB18802.1 surge protector standard: product will not only meet lightning current impact, also meet power frequency intermittent current energy
Power.After simulating lightning current impact test, there are powdered graphites in graphite gaps confined space, when powdered graphite deposits to one
Short circuit is connected between graphite when quantitative, causes surge protector burning on fire, causes serious consequence.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of with removing foreign matter function
Surge protector can reduce job failure, improve the service life of surge protector.
To achieve the above object, the present invention provides a kind of with the surge protector for removing foreign matter function, using following skill
Art scheme: it is a kind of with the surge protector for removing foreign matter function, including the graphite flake that multi-disc is stacked, on each graphite flake
It is connected with a discharge electrode, each discharge electrode is connected with a capacitor；It is folded between adjacent two panels graphite flake absolutely
Edge washer；The inner hole both ends of insulating washer are blocked by graphite flake and form insulation cavity；
The insulating washer is equipped with ventilation gap, and the inner end for gap of ventilating is connected to the inner hole of insulating washer, and ventilation is slitted
The outer end of mouth extends to the outer edge of insulating washer.
Preferably, described capacitor one end is connect with discharge electrode, other end ground connection.
Preferably, the inner hole of insulating washer is completely covered in the graphite flake.
Preferably, the width of the ventilation gap increases outward from inner end.
Preferably, the plane where the opposite ventilation gap inner end of middle separated time of the ventilation gap is obliquely installed.
Preferably, the width of the ventilation gap reduces outward from inner end.
Preferably, the ventilation gap flare setting.
Preferably, the insulating washer is equipped with multiple ventilation gap.
Preferably, the ventilation gap runs through the two sides of insulating washer.
Preferably, the ventilation gap is in communication with the outside.
As described above, it is of the present invention a kind of with the surge protector for removing foreign matter function, have below beneficial to effect
Fruit: ventilation gap inner end and insulating washer due to having insulation cavity between adjacent two panels graphite flake, on insulating washer
Inner hole connection, ventilation gap outer end extends to the outer edge of insulating washer, in this way, ventilation gap will insulate cavity and it is extraneous even
It is logical；When surge protector is impacted by lightning current, the air-flow that lightning current generates can be by the foreign matters such as graphite powder in the cavity that insulate
From ventilation gap blowout, it is thus able to maintain more cleaning in insulation cavity, prevents the foreign materials aways such as graphite powder insulation cavity
Insulating capacity prevents that short circuit occurs between adjacent two panels graphite flake.So that the reliable working performance of surge protector, uses
Service life extends.
Detailed description of the invention
Fig. 1 is shown as the structural schematic diagram of surge protector.
Fig. 2 is shown as the structural schematic diagram for the graphite flake group being stacked.
Fig. 3 is shown as the connection schematic diagram of graphite flake, insulating washer and discharge electrode.
Fig. 4 is shown as the structural schematic diagram of insulating washer.
Fig. 5 a, Fig. 5 b, Fig. 5 c are respectively indicated as the insulating washer with 4 kinds of different shape ventilation gap.
Fig. 5 d, Fig. 5 e, Fig. 5 f and Fig. 5 g are shown as insulating washer of different shapes.
Fig. 6 a to Fig. 6 e is shown as the insulating washer with multiple ventilation gap.
Component label instructions
1 graphite flake
2 discharge electrodes
3 capacitors
4 insulating washers
The inner hole of 5 insulating washers
6 insulation cavitys
7 ventilation gap
The inner end of 8 ventilation gap
The outer end of 9 ventilation gap
10 into electric connecting sheet
11 grounding connection pieces
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification to be taken off
The content shown is not intended to limit the invention enforceable qualifications so that those skilled in the art understands and reads, therefore
Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the present invention
Under the effect of can be generated and the purpose that can reach, it should all still fall in disclosed technology contents and obtain the model that can cover
In enclosing.Meanwhile cited such as "upper" in this specification, "lower", "left", "right", " centre " and " one " term, be also only
Convenient for being illustrated for narration, rather than to limit the scope of the invention, relativeness is altered or modified, in no essence
It changes under technology contents, when being also considered as the enforceable scope of the present invention.
As shown in Figures 2 to 4, the present invention provides a kind of with the surge protector for removing foreign matter function, including multi-slice
The graphite flake 1 of setting is folded, is connected with a discharge electrode 2 on each graphite flake 1, each discharge electrode 2 is connected with a capacitor
Device 3；Insulating washer 4 is folded between adjacent two panels graphite flake 1；5 both ends of inner hole of insulating washer are blocked and shape by graphite flake 1
At insulation cavity 6；The insulating washer 4 is equipped with ventilation gap 7, and the inner end 8 for gap of ventilating and the inner hole 5 of insulating washer connect
Logical, the outer end 9 for gap of ventilating extends to the outer edge of insulating washer 4.
In a kind of surge protector with removing foreign matter function of the invention, due in adjacent two panels graphite flake 1
Between there is insulation cavity 6,7 inner end of ventilation gap on insulating washer 4 is connected to the inner hole 5 of insulating washer, outside ventilation gap 7
End extends to the outer edge of insulating washer 4, in this way, ventilation gap 7 will insulate, cavity 6 is in communication with the outside；Surge protector by
The foreign matters such as graphite powder in the cavity 6 that insulate can be blown out from ventilation gap 7 to the air-flow that when lightning current impact, lightning current is generated,
It is thus able to maintain more cleaning in insulation cavity 6, the insulating capacity of the foreign materials aways such as graphite powder insulation cavity 6 is prevented, prevents
Short circuit occurs between adjacent two panels graphite flake 1.So that the reliable working performance of surge protector, service life extends.
In surge protector, referring to FIG. 1, into Multi-layer graphite piece is equipped between electric connecting sheet 10 and grounding connection piece 11
1, discharge electrode 2 is connected on 1 group of graphite flake intermediate of each layer graphite flake 1, discharge electrode 2 is connect with one end of capacitor 3,
The other end of capacitor 3 is grounded.It is understood that capacitor under pulse current can instantaneous short circuit, when dash current is from into electrical connection
When piece 10 invades, the graphite electrode being connected with into electric connecting sheet 10 generates high potential, graphite electrode graphite electricity adjacent thereto
Clearance for insulation between pole can be breakdown, and one part of current can pass sequentially through discharge electrode 2 on graphite flake 1, capacitor 3 and connect
Ground connection sheet 11 discharges.Due to the high potential that dash current generates, each layer graphite flake 1 is successively breakdown, and passes through each layer
Graphite flake 1, discharge electrode 2, capacitor 3 and grounding connection piece 11 discharge.After dash current discharges completely, each graphite flake
The insulating capacity of clearance for insulation between 1 is restored.But the impact due to dash current to graphite flake 1, it might have some stones
Ink powder is stripped down from graphite flake 1, and over time, the graphite powder in the cavity that insulate gathers more and more, just will affect adjacent
Insulating capacity between two layers of graphite flake 1.In a kind of surge protector with removing foreign matter function of the invention, please refer to
Fig. 2 to Fig. 4, due to being equipped with ventilation gap 7 on insulating washer 4, the inner end 8 for gap of ventilating is connected to insulation cavity, and ventilation is slitted
The outer end 9 of mouth is in communication with the outside, in this way, dash current can to generate air-flow in insulation cavity, absolutely when in dash current intrusion
Pressure in edge cavity is higher than ambient pressure, and air-flow is by foreign matters such as graphite powders in the cavity that insulate from the blowout of ventilation gap 7 to outer
Boundary, to keep clean in the insulation cavity made, the insulation performance between adjoining graphite piece 1 is preferable.In this way, adjoining graphite piece 1
Between short circuit would not occur because of failure of insulation, cause failure even danger on fire, the service life of surge protector is just
It can be extended.
In a kind of surge protector with removing foreign matter function of the invention, 5 both ends of inner hole of insulating washer are by stone
Ink sheet 1 blocks and forms insulation cavity, and the inner hole 5 of insulating washer is completely covered in the graphite flake 1.It is arranged on insulating washer 4
Ventilation gap 7 structure type there are many, can be arranged according to actual needs, can will the ventilation setting of gap 7 in loudspeaker
Shape or other shapes.If external environment is more clean, external foreign matter enters the possibility of insulation cavity from ventilation gap 7
Property it is smaller, then in order to enable insulation cavity in foreign matter can more swimmingly exclude, can be by 9 width of outer end for gap of ventilating
What is be arranged is larger, and as shown in Figure 5 a, the width of ventilation gap 7 increases outward from inner end, in this way, ventilation gap 7 is not susceptible to
Blocking.If the foreign matter of external environment is relatively more, the foreign matter in external environment enters insulation from ventilation gap 7 and holds in order to prevent
Chamber, can by 9 width of outer end for gap of ventilating be arranged it is smaller, as shown in Figure 5 b, it is described ventilation gap 7 width from inner end to
Outer end reduces, in this way, extraneous foreign matter is not easily accessible ventilation gap 7.Extraneous foreign matter directly invades insulation and holds in order to prevent
In chamber, the inner hole hole wall for 7 opposing insulation gasket of gap of ventilating can be obliquely installed, as shown in Figure 5 c, the ventilation gap 7
Plane where opposite ventilation 7 inner end of gap of middle separated time is obliquely installed.In this way, if foreign matter is from ventilation 7 outer end of gap to ventilation
Intrusion, can be easier to be stopped by the inner wall for gap 7 of ventilating in gap 7.Certainly, if extraneous foreign matter enters ventilation gap
7 probability is smaller.As fig 5d, gap 7 of ventilating can also be arranged to the shape of equal in width.
In practical applications, surge protector may be of a variety of shapes, and graphite flake 1 also has different shapes,
Rectangle, triangle, regular polygon, circle, ellipse etc., as shown in Fig. 5 d, Fig. 5 e, Fig. 5 f and Fig. 5 g, the felt pad
Circle 4 is also shaped to the shapes such as rectangle, triangle, regular polygon, circle according to graphite flake 1.Ventilation on insulating washer 4
Gap 7 can be set rectangle, triangle, regular polygon side on, also can be set in the angle of cut position of adjacent two edges.
Generally, insulating washer 4 is all less thick, and ventilation gap 7 runs through the two sides of insulating washer 4, if insulating washer 4
Compare it is thick, can also will ventilation gap 7 be arranged to channel-shaped.In order to enable the foreign matter in insulation cavity can sufficiently be discharged, such as scheme
Shown in 6a, Fig. 6 b, Fig. 6 c, Fig. 6 d and Fig. 6 e, multiple ventilation gap 7 can also be equipped on insulating washer 4, each gap 7 of ventilating
Different parts positioned at 4 edge of insulating washer facilitate the foreign matter discharge in each corner in insulation cavity.
Technical solution based on the above embodiment, a kind of surge protector with removing foreign matter function of the invention can
Easily the foreign matter in the cavity that insulate is discharged, keeps more clean in insulation cavity, prevents the foreign materials aways such as graphite powder from insulating
The insulating capacity of cavity prevents that short circuit occurs between adjacent two panels graphite flake.So that the working performance of surge protector can
It leans on, service life extends.
In conclusion the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (10)
1. a kind of with the surge protector for removing foreign matter function, characterized in that the graphite flake (1) being stacked including multi-disc,
A discharge electrode (2) is connected on each graphite flake (1), each discharge electrode (2) is connected with a capacitor (3)；It is adjacent
Two panels graphite flake (1) between be folded with insulating washer (4)；Inner hole (5) both ends of insulating washer are blocked and shape by graphite flake (1)
At insulation cavity (6)；
The insulating washer (4) is equipped with ventilation gap (7), and the inner end (8) for gap of ventilating and the inner hole (5) of insulating washer connect
Logical, the outer end (9) for gap of ventilating extends to the outer edge of insulating washer (4).
2. according to claim 1 have the surge protector for removing foreign matter function, it is characterised in that: the capacitor
(3) one end is connect with discharge electrode (2), other end ground connection.
3. according to claim 1 have the surge protector for removing foreign matter function, it is characterised in that: the graphite flake
(1) inner hole (5) of insulating washer is completely covered.
4. according to claim 1 have the surge protector for removing foreign matter function, it is characterised in that: the ventilation gap
(7) width increases outward from inner end.
5. according to claim 1 have the surge protector for removing foreign matter function, it is characterised in that: the ventilation gap
(7) plane where opposite gap (7) inner end of ventilating of middle separated time is obliquely installed.
6. according to claim 1 have the surge protector for removing foreign matter function, it is characterised in that: the ventilation gap
(7) width reduces outward from inner end.
7. according to claim 1 have the surge protector for removing foreign matter function, it is characterised in that: the ventilation gap
(7) flare is arranged.
8. according to claim 1 have the surge protector for removing foreign matter function, it is characterised in that: the insulating washer
(4) multiple ventilation gap (7) are equipped with.
9. according to claim 1 have the surge protector for removing foreign matter function, it is characterised in that: the ventilation gap
(7) run through the two sides of insulating washer (4).
10. according to claim 1 have the surge protector for removing foreign matter function, it is characterised in that: the ventilation is slitted
Mouth (7) is in communication with the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811635524.2A CN109586265A (en) | 2018-12-29 | 2018-12-29 | With the surge protector for removing foreign matter function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811635524.2A CN109586265A (en) | 2018-12-29 | 2018-12-29 | With the surge protector for removing foreign matter function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109586265A true CN109586265A (en) | 2019-04-05 |
Family
ID=65933557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811635524.2A Pending CN109586265A (en) | 2018-12-29 | 2018-12-29 | With the surge protector for removing foreign matter function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109586265A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203707564U (en) * | 2013-08-13 | 2014-07-09 | 广州市意普孚电子科技有限公司 | Gap-type surge discharging device |
| CN105186479A (en) * | 2015-09-09 | 2015-12-23 | 成都兴业雷安电子有限公司 | Surge protection device of communication and navigation equipment |
| CN206992033U (en) * | 2017-03-22 | 2018-02-09 | 天津威图电气设备有限公司 | A kind of high-power surge protector with back-up protection switch |
| CN107742882A (en) * | 2017-11-24 | 2018-02-27 | 郑品章 | Surge protector with exhaust dust-removing structure |
| CN107749617A (en) * | 2017-11-24 | 2018-03-02 | 郑品章 | A kind of surge protector with exhaust dust-removing structure |
| CN108110742A (en) * | 2018-01-30 | 2018-06-01 | 四川中光防雷科技股份有限公司 | A kind of high energy multilayer gap-type surge protector |
| CN209709681U (en) * | 2018-12-29 | 2019-11-29 | 上海永继电气股份有限公司 | With the surge protector for removing foreign matter function |
-
2018
- 2018-12-29 CN CN201811635524.2A patent/CN109586265A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203707564U (en) * | 2013-08-13 | 2014-07-09 | 广州市意普孚电子科技有限公司 | Gap-type surge discharging device |
| CN105186479A (en) * | 2015-09-09 | 2015-12-23 | 成都兴业雷安电子有限公司 | Surge protection device of communication and navigation equipment |
| CN206992033U (en) * | 2017-03-22 | 2018-02-09 | 天津威图电气设备有限公司 | A kind of high-power surge protector with back-up protection switch |
| CN107742882A (en) * | 2017-11-24 | 2018-02-27 | 郑品章 | Surge protector with exhaust dust-removing structure |
| CN107749617A (en) * | 2017-11-24 | 2018-03-02 | 郑品章 | A kind of surge protector with exhaust dust-removing structure |
| CN108110742A (en) * | 2018-01-30 | 2018-06-01 | 四川中光防雷科技股份有限公司 | A kind of high energy multilayer gap-type surge protector |
| CN209709681U (en) * | 2018-12-29 | 2019-11-29 | 上海永继电气股份有限公司 | With the surge protector for removing foreign matter function |
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