CN206976799U - A kind of porcelain ball overvoltage protection device - Google Patents
A kind of porcelain ball overvoltage protection device Download PDFInfo
- Publication number
- CN206976799U CN206976799U CN201720948652.7U CN201720948652U CN206976799U CN 206976799 U CN206976799 U CN 206976799U CN 201720948652 U CN201720948652 U CN 201720948652U CN 206976799 U CN206976799 U CN 206976799U
- Authority
- CN
- China
- Prior art keywords
- porcelain ball
- arc extinguishing
- protection device
- overvoltage protection
- overvoltage
- 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 provides a kind of porcelain ball overvoltage protection device; including overvoltage protection device, arc extinguishing porcelain ball, connecting copper bar; arc extinguishing porcelain top dome portion is equiped with malleation electrode; and the arc extinguishing porcelain ball bottom is connected with overvoltage protection device; malleation electrode is connected with connecting copper bar; and hollow bulb is set in arc extinguishing porcelain ball, and it is provided with spray-hole in arc extinguishing porcelain ball surface.A kind of porcelain ball overvoltage protection device of the present utility model; when circuit is without overvoltage; porcelain ball overvoltage protection device of the present utility model disconnects with circuit; when there is overvoltage in circuit; when overvoltage is by arc extinguishing porcelain ball; short time will go out high voltage electric arc at the both ends of arc extinguishing porcelain ball; because air moment is ionized heating expansion from spray-hole spilling in arc extinguishing porcelain ball; so as to which the electronics blowout that arc extinguishing porcelain ball internal ionization goes out to be reached to the purpose of arc extinguishing; so as to reduce the overvoltage acted on protector, its service life is improved.
Description
Technical field
Overvoltage protection device insulator arrangement is the utility model is related to, more particularly, to a kind of porcelain ball overvoltage protection
Device.
Background technology
With expanding economy, power supply reliability is more and more important, and more and more higher is required to insulated overhead line protection.For
Protection insulated overhead line, thunder and lightning and switching overvoltage are discharged, we used overvoltage protection device, so as to protect well
The safety of circuit.But traditional overvoltage protection device is directly to be connected with overhead transmission line, when overvoltage meeting occurs directly
By protector by overvoltage release guard circuit and equipment, so also overvoltage protection device is caused frequently to bear high-tension punching
Hit and substantially reduce its service life.
Utility model content
The utility model provides the porcelain ball overvoltage protection device that a kind of simple in construction, proof voltage impacts and the life-span is high, with
Low technical problem of existing voltage protector life-span in solution.
According to one side of the present utility model, there is provided a kind of porcelain ball overvoltage protection device, including overvoltage protection device,
Arc extinguishing porcelain ball, connecting copper bar, the arc extinguishing porcelain top dome portion are equiped with malleation electrode, and the arc extinguishing porcelain ball bottom and the overvoltage
Protector is connected, and the malleation electrode is connected with the connecting copper bar, and hollow bulb is set in the arc extinguishing porcelain ball, and is gone out described
Arc porcelain ball surface is provided with spray-hole.
On the basis of such scheme preferably, the connecting copper bar is rectangle copper bar.
On the basis of such scheme preferably, the connecting copper bar is also associated with an overhead line.
On the basis of such scheme preferably, the bottom of the arc extinguishing porcelain ball is also equiped with negative voltage electrode.
On the basis of such scheme preferably, the negative voltage electrode and the malleation electrode extend respectively to the arc extinguishing porcelain ball
Hollow bulb.
On the basis of such scheme preferably, the overvoltage protection device includes current limliting body, is spaced on the current limliting body
Multiple full skirts are set.
On the basis of such scheme preferably, the section of the current limliting body is cylindrical.
A kind of porcelain ball overvoltage protection device of the present utility model, when circuit is without overvoltage, porcelain ball of the present utility model
Formula overvoltage protection device disconnects with circuit, and when overvoltage occurs in circuit, when overvoltage is by arc extinguishing porcelain ball, the short time is in arc extinguishing
The both ends of porcelain ball will go out high voltage electric arc, due in arc extinguishing porcelain ball air moment be ionized heating expansion from spray-hole overflow,
So as to which the blowout of electronics that arc extinguishing porcelain ball internal ionization goes out to be reached to the purpose of arc extinguishing, so as to reduce act on it is excessively electric on protector
Pressure, improves its service life.
Brief description of the drawings
Fig. 1 is a kind of structural representation of porcelain ball overvoltage protection device of the present utility model；
In figure：10th, overvoltage protection device；11st, current limliting body；12nd, full skirt；21st, malleation electrode；20th, arc extinguishing porcelain ball；22、
Spray-hole；30th, overhead line；23rd, negative voltage electrode；31st, connecting copper bar.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to the scope of the utility model.
Refer to shown in Fig. 1, the utility model provides a kind of porcelain ball overvoltage protection device 10, including overvoltage protection
Device 10, arc extinguishing porcelain ball 20, connecting copper bar 31.
Wherein, the top of arc extinguishing porcelain ball 20 is equiped with malleation electrode 21, and the bottom of arc extinguishing porcelain ball 20 and overvoltage protection device
10 are connected, and malleation electrode 21 is connected with connecting copper bar 31, and hollow bulb is set in arc extinguishing porcelain ball 20, and is set on the surface of arc extinguishing porcelain ball 20
There is spray-hole 22.
A kind of porcelain ball overvoltage protection device 10 of the present utility model, by using connecting copper bar 31 and the phase of overhead line 30
Even, when circuit is without overvoltage, porcelain ball overvoltage protection device 10 of the present utility model disconnects with circuit, when electricity occurred in circuit
During pressure, when overvoltage is by arc extinguishing porcelain ball 20, the short time will go out high voltage electric arc at the both ends of arc extinguishing porcelain ball 20, due to arc extinguishing
Air moment is ionized heating expansion and overflowed from spray-hole 22 in porcelain ball 20, so as to which the electronics that the internal ionization of arc extinguishing porcelain ball 20 goes out be blown
Go out to reach the purpose of arc extinguishing, so as to reduce the overvoltage acted on protector, improve its service life.
What deserves to be explained is connecting copper bar 31 of the present utility model is rectangle copper bar, and in the connecting copper bar 31 also
It is connected with an overhead line 30.
Preferably, the utility model is still equiped with negative voltage electrode 23 in the bottom of arc extinguishing porcelain ball 20, and arc extinguishing porcelain ball 20 is logical
Cross negative voltage electrode 23 with overvoltage protection device 10 to be connected, in use, using negative voltage electrode 23 and malleation electrode 21, form high-tension electricity
, so as to which the air in arc extinguishing porcelain ball 20 be ionized completely, and excluded by spray-hole 22.
Preferably, in order to ensure the arc quenching effect of arc extinguishing porcelain ball 20, malleation electrode 21 of the present utility model extend to arc extinguishing
The hollow bulb of porcelain ball 20 so that the overvoltage passed over by overhead line 30 can totally tansitive into arc extinguishing porcelain ball 20
Empty portion, so as to ensure that overvoltage is completely discharged, to improve its service life.
Wherein, overvoltage protection device 10 includes current limliting body 11 used by the utility model, is spaced on current limliting body 11
Multiple full skirts 12 are set, and the section of the current limliting body 11 is cylindrical.
What deserves to be explained is spray-hole 22 of the present utility model is arranged on the bottom of arc extinguishing porcelain ball 20, and spray-hole 22
To be multiple, helically formula is arranged on the bottom of arc extinguishing porcelain ball 20.And spray-hole 22 of the present utility model is in inner small and outside big structure, when
When electric arc is produced between malleation electrode 21 and negative voltage electrode 23, due to big outer small structure in spray-hole 22 so that arc extinguishing porcelain ball
Air pressure in 20 is more than the air pressure of arc extinguishing porcelain ball 20, so that it is quickly ejected from arc extinguishing porcelain ball 20, to reach fast prompt drop
Voltage purpose on low arc extinguishing porcelain ball 20.
Finally, the present processes are only preferable embodiment, are not intended to limit the scope of protection of the utility model.
All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc., should be included in this reality
Within new protection domain.
Claims (7)
1. a kind of porcelain ball overvoltage protection device, it is characterised in that including overvoltage protection device, arc extinguishing porcelain ball, connecting copper bar, institute
State arc extinguishing porcelain top dome portion and be equiped with malleation electrode, and the arc extinguishing porcelain ball bottom is connected with the overvoltage protection device, the malleation
Electrode is connected with the connecting copper bar, and hollow bulb is set in the arc extinguishing porcelain ball, and is provided with injection in the arc extinguishing porcelain ball surface
Hole.
2. a kind of porcelain ball overvoltage protection device as claimed in claim 1, it is characterised in that the connecting copper bar is rectangle
Copper bar.
3. a kind of porcelain ball overvoltage protection device as claimed in claim 2, it is characterised in that the connecting copper bar is also associated with
One overhead line.
A kind of 4. porcelain ball overvoltage protection device as claimed in claim 1, it is characterised in that the bottom of the arc extinguishing porcelain ball
It is equiped with the negative voltage electrode for installing the overvoltage protection device.
A kind of 5. porcelain ball overvoltage protection device as claimed in claim 4, it is characterised in that the negative voltage electrode and it is described just
Piezoelectricity pole extends respectively to the hollow bulb of the arc extinguishing porcelain ball.
6. a kind of porcelain ball overvoltage protection device as claimed in claim 1, it is characterised in that the overvoltage protection device includes
Current limliting body, multiple full skirts are arranged at intervals on the current limliting body.
7. a kind of porcelain ball overvoltage protection device as claimed in claim 6, it is characterised in that the section of the current limliting body is in
It is cylindric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720948652.7U CN206976799U (en) | 2017-08-01 | 2017-08-01 | A kind of porcelain ball overvoltage protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720948652.7U CN206976799U (en) | 2017-08-01 | 2017-08-01 | A kind of porcelain ball overvoltage protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206976799U true CN206976799U (en) | 2018-02-06 |
Family
ID=61393794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720948652.7U Expired - Fee Related CN206976799U (en) | 2017-08-01 | 2017-08-01 | A kind of porcelain ball overvoltage protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206976799U (en) |
-
2017
- 2017-08-01 CN CN201720948652.7U patent/CN206976799U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180206 Termination date: 20190801 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |