CN206806734U - A kind of extinguishing arc type overvoltage protection device - Google Patents
A kind of extinguishing arc type overvoltage protection device Download PDFInfo
- Publication number
- CN206806734U CN206806734U CN201720577309.6U CN201720577309U CN206806734U CN 206806734 U CN206806734 U CN 206806734U CN 201720577309 U CN201720577309 U CN 201720577309U CN 206806734 U CN206806734 U CN 206806734U
- Authority
- CN
- China
- Prior art keywords
- extinguishing arc
- overvoltage protection
- protection device
- strut plate
- supporting insulator
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of extinguishing arc type overvoltage protection device; including being grounded mounting bracket; the side of ground connection mounting bracket is provided with connection strut plate; connection strut plate is fixedly connected by connector with ground connection mounting bracket; gap supporting insulator is provided with the connection strut plate; the side of gap supporting insulator is provided with high pressure all insulation flexible cable; the side of high pressure all insulation flexible cable is provided with high-pressure connection line folder; fixture is additionally provided with connection strut plate, extinguishing arc element is provided with the fixture.The utility model extinguishing arc type overvoltage protection device; overvoltage protection is met with circuit under conditions of Lightning Over-voltage; prior to by portable protective gaps supports insulative electron discharge; effectively thunder-strike current can be discharged and arc extinguishing quickly is carried out to electric arc caused by electric discharge; reduce and tripped caused by power frequency continued flow, the extinguishing arc type overvoltage protection device is compact-sized; convenient installation, accurately device thunderbolt action frequency can be recorded.
Description
Technical field
Overvoltage protection device field is the utility model is related to, specially a kind of extinguishing arc type overvoltage protection device.
Background technology
Overvoltage protection device is a kind of advanced protection electrical equipment for limiting lightning surge and switching overvoltage, and overvoltage is protected
Shield device is a kind of new overvoltage protection device, mainly for the protection of generator, transformer, vacuum switch, bus and electronic
The insulation of the electrical equipments such as machine is from the infringement of overvoltage, existing overvoltage protection device, it is impossible to effectively thunder-strike current is discharged
And arc extinguishing quickly is carried out to electric arc caused by electric discharge, it can not well reduce and be tripped caused by power frequency continued flow, structure is not tight
Gather, be inconvenient to install, and accurately device thunderbolt action frequency can not be recorded.
Utility model content
The purpose of this utility model is to provide a kind of extinguishing arc type overvoltage protection device possess compact-sized and convenient installation
The advantages of, solve the problems of the prior art.
To achieve the above object, the utility model provides following technical scheme：A kind of extinguishing arc type overvoltage protection device, including
Mounting bracket is grounded, is provided with connector in the ground connection mounting bracket, the side for being grounded mounting bracket is provided with connection pillar
Plate, connection strut plate are fixedly connected by connector with ground connection mounting bracket, and gap support is provided with the connection strut plate
Insulator, through connection strut plate, it is entirely exhausted that the side of gap supporting insulator is provided with high pressure for one end of gap supporting insulator
Edge flexible cable, the side of high pressure all insulation flexible cable are provided with high-pressure connection line folder, and high-pressure connection line folder runs through high pressure all insulation
Flexible cable is flexibly connected with high pressure all insulation flexible cable, is connected and is additionally provided with fixture on strut plate, fixture is with being connected pillar
Plate weld connects, and is provided with extinguishing arc element on the fixture, and fixture is run through in one end of extinguishing arc element, extinguishing arc element it is another
End is connected by wire and high-pressure connection line folder.
Preferably, the high pressure all insulation flexible cable is fixedly connected with gap supporting insulator.
Preferably, series spark gap is formed between the extinguishing arc element and gap supporting insulator.
Preferably, the wire is fixedly connected by clamp nut with extinguishing arc element.
Preferably, the gap supporting insulator be arranged in parallel with extinguishing arc element.
Compared with prior art, the beneficial effects of the utility model are as follows：
The utility model extinguishing arc type overvoltage protection device, overvoltage protection meet with the condition of Lightning Over-voltage in circuit
Under, prior to by portable protective gaps supports insulative electron discharge, can effectively discharge to thunder-strike current and quickly electric arc caused by electric discharge is entered
Row arc extinguishing, reduce and tripped caused by power frequency continued flow, the extinguishing arc type overvoltage protection device is compact-sized, convenient installation, can be accurate
Device thunderbolt action frequency is recorded, series spark gap is formed between extinguishing arc element and gap supporting insulator, between having
Gap supporting insulator is fixed as support, and the size of discharging gap and the stability of discharge voltage can be effectively ensured, suitable extensively
For all size wire and the overhead transmission line of various gap supporting insulators, there is no particular/special requirement to pole tower ground resistance.
Brief description of the drawings
Fig. 1 is pin insulator scheme of installation of the present utility model；
Fig. 2 is cross arm insulator scheme of installation of the present utility model；
Fig. 3 is suspension type strain insulator scheme of installation of the present utility model.
In figure：1 ground connection mounting bracket, 2 connectors, 3 connection strut plates, 4 gap supporting insulators, 5 fixtures, 6 high pressures
All insulation flexible cable, 7 high-pressure connection lines folder, 8 extinguishing arc elements, 9 wires.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Embodiment one：
Referring to Fig. 1, a kind of extinguishing arc type overvoltage protection device, including ground connection mounting bracket 1, it is grounded in mounting bracket 1 and sets
Connector 2 is equipped with, the side of ground connection mounting bracket 1 is provided with connection strut plate 3, and connection strut plate 3 passes through connector 2 and ground connection
Mounting bracket 1 is fixedly connected, and is connected and is provided with gap supporting insulator 4 on strut plate 3, one end of gap supporting insulator 4 is passed through
Connection strut plate 3 is worn, the side of gap supporting insulator 4 is provided with high pressure all insulation flexible cable 6, extinguishing arc type overvoltage protection device
Suitable for distribution 10kV suspended insulated guide wires or bare conductor, which employs penetration type or non-piercing type striking header structure, can penetrate
Wire insulation is directly connected to bare conductor formation electrical connection, and striking head lower end is relative with the striking head of arrester upper end, shape
Discharging gap outside into spacing 60-80mm series connection, in normal state, high resistance arrester resistor disc and discharging gap
It is failure to actuate, when only occurring more than regulation lightning surge, discharging gap could be breakdown, forms short-channel, the work to continue
Frequency electric arc just burns between external series gap, discharges overvoltage energy, to protect wire from burn, after voltage release, arrester electricity
Hinder piece and recover high resistance gap discharge stopping, high pressure all insulation flexible cable 6 is fixedly connected with gap supporting insulator 4, overvoltage
Protection device, can be effectively to thunder prior to being discharged by portable protective gaps supporting insulator 4 under conditions of circuit meets with Lightning Over-voltage
Hit electric current release and arc extinguishing quickly is carried out to electric arc caused by electric discharge, reduce and tripped caused by power frequency continued flow, the extinguishing arc type mistake
Voltage protector, compact-sized, convenient installation, accurately device thunderbolt action frequency can be recorded, the soft electricity of high pressure all insulation
The side of cable 6 is provided with high-pressure connection line folder 7, and high-pressure connection line folder 7 is soft with high pressure all insulation through high pressure all insulation flexible cable 6
Cable 6 is flexibly connected, and is connected and is additionally provided with fixture 5 on strut plate 3, and fixture 5 is welded to connect with being connected strut plate 3, fixed
Be provided with extinguishing arc element 8 on part 5, fixture 5 is run through in one end of extinguishing arc element 8, extinguishing arc element 8 and gap supporting insulator 4 it
Between form series spark gap, have gap supporting insulator 4 as support fix, can be effectively ensured discharging gap size and
The stability of discharge voltage, the other end of extinguishing arc element 8 are connected by wire 9 with high-pressure connection line folder 7, installation band extinguishing arc element
8 grounding electrode, sphere discharge end should be located at the underface of wire 9 and high-voltage discharging electrode, adjustment connecing with extinguishing arc element 8
The outreach of ground electrode, it is ensured that L distance meets installation dimension requirement, and L distances are ideal for 60~80mm, for insulating
Overvoltage protection on line, should install insulating shield on high-field electrode, and integral structure product is not required to adjust size, led
Line 9 is fixedly connected by clamp nut with extinguishing arc element 8, installation high-field electrode, and the striking arm on high-field electrode should be towards gap
Supporting insulator 4, arcing arm backwards to gap supporting insulator 4, adjust between high-field electrode and gap supporting insulator 4 away from
From tightening compression bolts, finally tighten lock nut, it is ensured that the electric conductor of high-field electrode and upper holder block and wire is reliably connected,
Integral structure product be arranged in parallel without installation direction requirement, gap supporting insulator 4 with extinguishing arc element 8, and the utility model disappears
Camber overvoltage protection device, overvoltage protection is under conditions of circuit meets with Lightning Over-voltage, prior to by portable protective gaps branch
Support insulator 4 discharges, and effectively thunder-strike current can be discharged and quickly carry out arc extinguishing to electric arc caused by electric discharge, reduced because power frequency continues
Tripped caused by stream, the extinguishing arc type overvoltage protection device is compact-sized, convenient installation, and accurately can be struck by lightning action frequency to device
Recorded, series spark gap is formed between extinguishing arc element 8 and gap supporting insulator 4, there is the conduct of gap supporting insulator 4
Support is fixed, and the size of discharging gap and the stability of discharge voltage can be effectively ensured, be widely used in all size wire 9
With the overhead transmission line of various gap supporting insulators 4, there is no particular/special requirement to pole tower ground resistance.
Embodiment two：
Referring to Fig. 2, a kind of extinguishing arc type overvoltage protection device, gap supporting insulator 4 is cross arm type, extinguishing arc element 8
One end is fixedly connected with being connected strut plate 3, and extinguishing arc element 8 be arranged in parallel with being connected strut plate 3, gap supporting insulator 4 with
Extinguishing arc element 8 is vertically arranged, the extinguishing arc type overvoltage protection device, compact-sized, convenient installation, accurately device thunderbolt can be acted
Number is recorded.
Embodiment three：
Referring to Fig. 3, a kind of extinguishing arc type overvoltage protection device, gap supporting insulator 4 is suspension type tension type, and gap supports
Insulator 4 is connected with being connected the suspension of strut plate 3, and gap supporting insulator 4 is vertically arranged with being connected strut plate 3, the extinguishing arc type mistake
Voltage protector, compact-sized, convenient installation, accurately device thunderbolt action frequency can be recorded.
In summary：The utility model extinguishing arc type overvoltage protection device, overvoltage protection is met with circuit to be struck by lightning
Under conditions of voltage, prior to being discharged by portable protective gaps supporting insulator 4, effectively thunder-strike current can be discharged and quickly electric discharge is produced
Raw electric arc carries out arc extinguishing, reduces and is tripped caused by power frequency continued flow, and the extinguishing arc type overvoltage protection device is compact-sized, convenient
Installation, accurately device thunderbolt action frequency can be recorded, be formed and connected between extinguishing arc element 8 and gap supporting insulator 4
Discharging gap, there is gap supporting insulator 4 to be fixed as support, the size and discharge voltage of discharging gap can be effectively ensured
Stability, all size wire 9 and the overhead transmission line of various gap supporting insulators 4 are widely used in, to pole tower ground resistance
There is no particular/special requirement.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of extinguishing arc type overvoltage protection device, including ground connection mounting bracket (1), it is characterised in that：The ground connection mounting bracket
(1) connector (2) is provided with, the side of ground connection mounting bracket (1) is provided with connection strut plate (3), and connection strut plate (3) is logical
Cross connector (2) to be fixedly connected with ground connection mounting bracket (1), gap supporting insulator is provided with the connection strut plate (3)
(4), through connection strut plate (3), the side of gap supporting insulator (4) is provided with height for one end of gap supporting insulator (4)
All insulation flexible cable (6) is pressed, the side of high pressure all insulation flexible cable (6) is provided with high-pressure connection line folder (7), high-pressure connection line folder
(7) it is flexibly connected with high pressure all insulation flexible cable (6) through high pressure all insulation flexible cable (6), is also set up on connection strut plate (3)
There is fixture (5), fixture (5) is welded to connect with being connected strut plate (3), and extinguishing arc element is provided with the fixture (5)
(8), fixture (5) is run through in one end of extinguishing arc element (8), and the other end of extinguishing arc element (8) passes through wire (9) and high-pressure connection line
Press from both sides (7) connection.
A kind of 2. extinguishing arc type overvoltage protection device according to claim 1, it is characterised in that：The soft electricity of high pressure all insulation
Cable (6) is fixedly connected with gap supporting insulator (4).
A kind of 3. extinguishing arc type overvoltage protection device according to claim 1, it is characterised in that：The extinguishing arc element (8) with
Gap supporting insulator forms series spark gap between (4).
A kind of 4. extinguishing arc type overvoltage protection device according to claim 1, it is characterised in that：The wire (9) is by tight
Gu nut is fixedly connected with extinguishing arc element (8).
A kind of 5. extinguishing arc type overvoltage protection device according to claim 1, it is characterised in that：The gap supporting insulator
(4) it is be arranged in parallel with extinguishing arc element (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720577309.6U CN206806734U (en) | 2017-05-23 | 2017-05-23 | A kind of extinguishing arc type overvoltage protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720577309.6U CN206806734U (en) | 2017-05-23 | 2017-05-23 | A kind of extinguishing arc type overvoltage protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206806734U true CN206806734U (en) | 2017-12-26 |
Family
ID=60741607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720577309.6U Expired - Fee Related CN206806734U (en) | 2017-05-23 | 2017-05-23 | A kind of extinguishing arc type overvoltage protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206806734U (en) |
-
2017
- 2017-05-23 CN CN201720577309.6U patent/CN206806734U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20200523 |