CN206283256U - One kind string box-like overvoltage protection device of dwell set - Google Patents
One kind string box-like overvoltage protection device of dwell set Download PDFInfo
- Publication number
- CN206283256U CN206283256U CN201621423987.9U CN201621423987U CN206283256U CN 206283256 U CN206283256 U CN 206283256U CN 201621423987 U CN201621423987 U CN 201621423987U CN 206283256 U CN206283256 U CN 206283256U
- Authority
- CN
- China
- Prior art keywords
- valve block
- branch road
- discharging gap
- electric capacity
- phase lines
- 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
Links
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses one kind string box-like overvoltage protection device of dwell set, branch road is protected including A phase lines, B phase lines protect branch road, C phase lines protect branch road and zero connection protection branch road, the A phase lines protect branch road, B phase lines protect branch road, C phase lines protect branch road and zero connection protection branch road to intersect at point O, the A phase lines protection branch road includes A phase line inputs, and A phase line inputs are connected with one end and the electric capacity C1 of discharging gap J1, the other end of the discharging gap J1 is connected with the other end and valve block R1 of electric capacity C1, the other end of the valve block R1 is connected with discharging gap J4, and the other end of discharging gap J4 is connected with valve block R4.The utility model is economical and practical; circuit connection is simple; discharging gap is connected between two valve blocks inside ZnO resistors; and one end of ZnO resistors is also connected with discharging gap so that the box-like overvoltage protection device of string dwell set has the function of preferable alternate overvoltage protection and grounding surge protection.
Description
Technical field
The utility model is related to overvoltage protection device technical field, more particularly to a kind of string box-like overvoltage protection of dwell set
Device.
Background technology
Scale with national economic development power system constantly expands, and power equipment is increasing, often there is overvoltage
Invasion power system device.The relatively overvoltage that the power system of conventional mould lightning conductor protection is struck by lightning, but cannot protect
Alternate overvoltage, the overvoltage that happens occasionally infringement electric equipment, with the development of technology, occurs in that with zinc oxide be protection branch road
Combination overvoltage protector have been obtained for application, be all provided with each branch road in existing combination overvoltage protector
There is a discharging gap, it is impossible to which the high pressure to being struck by lightning is discharged completely, it some times happens that equipment punch through damage electric equipment.
Utility model content
The purpose of this utility model is and a kind of string combinations of gaps for proposing in order to solve shortcoming present in prior art
Formula overvoltage protection device.
To achieve these goals, the utility model employs following technical scheme：
One kind string box-like overvoltage protection device of dwell set, including A phase lines protection branch road, B phase lines protection branch road, C phase lines are protected
Shield branch road and zero connection protection branch road, the A phase lines protection branch road, B phase lines protection branch road, C phase lines protection branch road and zero connection protection
Branch road intersects at point O, and the A phase lines protection branch road includes A phase line inputs, and A phase line inputs are connected with discharging gap J1
One end and the other end of electric capacity C1, the discharging gap J1 be connected with the other end and valve block R1, the valve block R1 of electric capacity C1
The other end be connected with discharging gap J4, and the other end of discharging gap J4 is connected with valve block R4, the other end of the valve block R4
It is connected with point O, the B phase lines protection branch road includes B phase line inputs, and B phase line inputs are connected with discharging gap J2's
The other end of one end and electric capacity C2, the discharging gap J2 is connected with the other end and valve block R2 of electric capacity C2, the valve block R2's
The other end is connected with discharging gap J5, and the other end of discharging gap J5 is connected with valve block R5, the other end of the valve block R5 and
Point O is connected, and the C phase lines protection branch road includes C phase line inputs, and C phase line inputs are connected with the one of discharging gap J3
The other end of end and electric capacity C3, the discharging gap J3 is connected with the other end and valve block R3 of electric capacity C3, and the valve block R3's is another
One end is connected with discharging gap J6, and the other end of discharging gap J6 is connected with the other end and point O of valve block R6, the valve block R6
Be connected, the zero connection protection branch road include connecting to neutral output end G, and connecting to neutral output end G be connected with discharging gap J8 one end and
The other end of electric capacity C4, the discharging gap J8 is connected with the other end and valve block R8 of electric capacity C4, the other end of the valve block R8
It is connected with discharging gap J7, and the other end of discharging gap J7 is connected with the other end of valve block R7, the valve block R7 and is connected with point O
Connect.
Preferably, serial type is connected as ZnO resistors F1, and oxidation successively for the valve block R1, discharging gap J4 and valve block R4
Zinc resistance F1 is nonlinear resistance.
Preferably, serial type is connected as ZnO resistors F2, and oxidation successively for the valve block R2, discharging gap J5 and valve block R5
Zinc resistance F2 is nonlinear resistance.
Preferably, serial type is connected as ZnO resistors F3, and oxidation successively for the valve block R3, discharging gap J6 and valve block R6
Zinc resistance F3 is nonlinear resistance.
Preferably, serial type is connected as ZnO resistors F4, and oxidation successively for the valve block R7, discharging gap J7 and valve block R8
Zinc resistance F4 is nonlinear resistance.
Preferably, the electric capacity C1, electric capacity C2, electric capacity C3 and electric capacity C4 are electrochemical capacitor.
The beneficial effects of the utility model：
1st, discharging gap J4 is connected with by between the valve block R1 and valve block R4 inside ZnO resistors F1, is aoxidized in addition
It is connected between zinc resistance F1 and A phase line input and puts a gap J1, overvoltage protection device when being struck by lightning, protects by A phase lines
Branch road can carry out multiple discharge, and then voltage to being struck by lightning is discharged completely so that overvoltage protection device has preferable
Alternate over-voltage protection function；
2nd, discharging gap J5 is connected with by between the valve block R2 and valve block R5 inside ZnO resistors F2, is aoxidized in addition
It is connected between zinc resistance F2 and B phase line input and puts a gap J2, overvoltage protection device when being struck by lightning, protects by B phase lines
Branch road can carry out multiple discharge, and then voltage to being struck by lightning is discharged completely so that overvoltage protection device has preferable
Alternate over-voltage protection function；
3rd, discharging gap J6 is connected with by between the valve block R3 and valve block R6 inside ZnO resistors F3, is aoxidized in addition
It is connected between zinc resistance F3 and C phase line input and puts a gap J3, overvoltage protection device when being struck by lightning, protects by C phase lines
Branch road can carry out multiple discharge, and then voltage to being struck by lightning is discharged completely so that overvoltage protection device has preferable
Alternate over-voltage protection function；
4th, discharging gap J7 is connected with by between the valve block R8 and valve block R7 inside ZnO resistors F4, is aoxidized in addition
Be connected between zinc resistance F4 and connecting to neutral output end G and put a gap J8, overvoltage protection device when being struck by lightning, zero connection protection branch
Road can carry out multiple discharge, and then voltage to being struck by lightning is discharged completely so that overvoltage protection device has and preferably connects
Ground over-voltage protection function.
The utility model is economical and practical, and circuit connection is simple, is connected between two valve blocks inside ZnO resistors and put
Electric gap, and one end of ZnO resistors is also connected with discharging gap so that the box-like overvoltage protection device of string dwell set have compared with
Good alternate overvoltage protection and the function of grounding surge protection.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of box-like overvoltage protection device of string dwell set fundamental diagram.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.
Reference picture 1, one kind string the box-like overvoltage protection device of dwell set, including A phase lines protection branch road, B phase lines protection branch road,
C phase lines protect branch road and zero connection protection branch road, and the A phase lines protection branch road, B phase lines protection branch road, C phase lines are protected branch road and connect
Zero protection branch road intersects at point O, and the A phase lines protection branch road includes A phase line inputs, and A phase line inputs are connected with electric discharge
One end of gap J1 and the other end of electric capacity C1, the discharging gap J1 are connected with the other end and valve block R1 of electric capacity C1, described
The other end of valve block R1 is connected with discharging gap J4, and the other end of discharging gap J4 is connected with valve block R4, the valve block R4's
The other end is connected with point O, and discharging gap J4, and oxygen are connected between the valve block R1 and valve block R4 inside ZnO resistors F1
It is connected between change zinc resistance F1 and A phase line input and puts a gap J1, when overvoltage protection device is struck by lightning, A phase lines is protected
Shield branch road can carry out multiple discharge to the thunderbolt voltage in the phase line so that the voltage of thunderbolt is discharged completely, can be to A
Phase line carries out alternate overvoltage protection, and the B phase lines protection branch road includes B phase line inputs, and B phase line inputs are connected with and put
One end of electric gap J2 and the other end of electric capacity C2, the discharging gap J2 are connected with the other end and valve block R2 of electric capacity C2, institute
The other end for stating valve block R2 is connected with discharging gap J5, and the other end of discharging gap J5 is connected with valve block R5, the valve block R5
The other end be connected with point O, be connected with discharging gap J5 between the valve block R2 and valve block R5 inside ZnO resistors F2, and
It is connected between ZnO resistors F2 and B phase line input and puts a gap J2, when overvoltage protection device is struck by lightning, B phase lines
Protection branch road can carry out multiple discharge to the thunderbolt voltage in the phase line so that the voltage of thunderbolt is discharged completely, can be with
Alternate overvoltage protection is carried out to B phase lines, the C phase lines protection branch road includes C phase line inputs, and C phase lines input is connected
There are one end of discharging gap J3 and the other end of electric capacity C3, the discharging gap J3 to be connected with the other end and valve block of electric capacity C3
The other end of R3, the valve block R3 is connected with discharging gap J6, and the other end of discharging gap J6 is connected with valve block R6, the valve
The other end of piece R6 is connected with point O, and discharging gap is connected between the valve block R3 and valve block R6 inside ZnO resistors F3
It is connected between J6, and ZnO resistors F3 and C phase line input and puts a gap J3, when overvoltage protection device is struck by lightning, C
Phase line protection branch road can carry out multiple discharge to the thunderbolt voltage of the phase line so that the voltage of thunderbolt is discharged completely, can
To carry out alternate overvoltage protection to C phase lines, the zero connection protection branch road includes connecting to neutral output end G, and connecting to neutral output end G is connected
There are one end of discharging gap J8 and the other end of electric capacity C4, the discharging gap J8 to be connected with the other end and valve block of electric capacity C4
The other end of R8, the valve block R8 is connected with discharging gap J7, and the other end of discharging gap J7 is connected with valve block R7, the valve
The other end of piece R7 is connected with point O, and discharging gap is connected between the valve block R8 and valve block R7 inside ZnO resistors F4
It is connected between J7, and ZnO resistors F4 and connecting to neutral output end G and puts a gap J8, when overvoltage protection device is struck by lightning,
Zero connection protection branch road can carry out multiple discharge to the thunderbolt voltage on the branch road so that the voltage of thunderbolt is discharged completely,
Overvoltage protection device has preferable grounding surge defencive function, and the valve block R1, discharging gap J4 and valve block R4 go here and there successively
Type is connected as ZnO resistors F1, and ZnO resistors F1 is nonlinear resistance, the valve block R2, discharging gap J5 and valve block R5
Serial type is connected as ZnO resistors F2 successively, and ZnO resistors F2 is nonlinear resistance, the valve block R3, discharging gap J6 and
Serial type is connected as ZnO resistors F3 to valve block R6 successively, and ZnO resistors F3 is nonlinear resistance, between the valve block R7, electric discharge
Serial type is connected as ZnO resistors F4, and ZnO resistors F4 for nonlinear resistance successively for gap J7 and valve block R8, the electric capacity C1,
Electric capacity C2, electric capacity C3 and electric capacity C4 be electrochemical capacitor, and electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4 are to being connected in parallel
Discharging gap J1, discharging gap J2, discharging gap J3, discharging gap J8 are protected.
The above, only the utility model preferably specific embodiment, but protection domain of the present utility model is not
Be confined to this, any one skilled in the art in the technical scope that the utility model is disclosed, according to this practicality
New technical scheme and its utility model design are subject to equivalent or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (6)
1. a kind of string box-like overvoltage protection device of dwell set, including A phase lines protection branch road, B phase lines protection branch road, the protection of C phase lines
Branch road and zero connection protection branch road, it is characterised in that A phase lines protection branch road, B phase lines protection branch road, C phase lines protection branch road and
Zero connection protection branch road intersects at point O, and the A phase lines protection branch road includes A phase line inputs, and A phase line inputs are connected with and put
One end of electric gap J1 and the other end of electric capacity C1, the discharging gap J1 are connected with the other end and valve block R1 of electric capacity C1, institute
The other end for stating valve block R1 is connected with discharging gap J4, and the other end of discharging gap J4 is connected with valve block R4, the valve block R4
The other end be connected with point O, B phase lines protection branch road includes B phase line inputs, and B phase line inputs are connected with electric discharge
One end of gap J2 and the other end of electric capacity C2, the discharging gap J2 are connected with the other end and valve block R2 of electric capacity C2, described
The other end of valve block R2 is connected with discharging gap J5, and the other end of discharging gap J5 is connected with valve block R5, the valve block R5's
The other end is connected with point O, and the C phase lines protection branch road includes C phase line inputs, and C phase line inputs are connected between discharging
One end of gap J3 and the other end of electric capacity C3, the discharging gap J3 are connected with the other end and valve block R3 of electric capacity C3, the valve
The other end of piece R3 is connected with discharging gap J6, and the other end of discharging gap J6 is connected with valve block R6, and the valve block R6's is another
One end is connected with point O, and the zero connection protection branch road includes connecting to neutral output end G, and connecting to neutral output end G is connected with discharging gap J8
One end and the other end of electric capacity C4, the discharging gap J8 be connected with the other end and valve block R8, the valve block R8 of electric capacity C4
The other end be connected with discharging gap J7, and the other end of discharging gap J7 is connected with valve block R7, the other end of the valve block R7
It is connected with point O.
2. a kind of string box-like overvoltage protection device of dwell set according to claim 1, it is characterised in that the valve block R1,
Serial type is connected as ZnO resistors F1 successively for discharging gap J4 and valve block R4, and ZnO resistors F1 is nonlinear resistance.
3. a kind of string box-like overvoltage protection device of dwell set according to claim 1, it is characterised in that the valve block R2,
Serial type is connected as ZnO resistors F2 successively for discharging gap J5 and valve block R5, and ZnO resistors F2 is nonlinear resistance.
4. a kind of string box-like overvoltage protection device of dwell set according to claim 1, it is characterised in that the valve block R3,
Serial type is connected as ZnO resistors F3 successively for discharging gap J6 and valve block R6, and ZnO resistors F3 is nonlinear resistance.
5. a kind of string box-like overvoltage protection device of dwell set according to claim 1, it is characterised in that the valve block R7,
Serial type is connected as ZnO resistors F4 successively for discharging gap J7 and valve block R8, and ZnO resistors F4 is nonlinear resistance.
6. a kind of string box-like overvoltage protection device of dwell set according to claim 1, it is characterised in that the electric capacity C1,
Electric capacity C2, electric capacity C3 and electric capacity C4 are electrochemical capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621423987.9U CN206283256U (en) | 2016-12-23 | 2016-12-23 | One kind string box-like overvoltage protection device of dwell set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621423987.9U CN206283256U (en) | 2016-12-23 | 2016-12-23 | One kind string box-like overvoltage protection device of dwell set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206283256U true CN206283256U (en) | 2017-06-27 |
Family
ID=59071199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621423987.9U Expired - Fee Related CN206283256U (en) | 2016-12-23 | 2016-12-23 | One kind string box-like overvoltage protection device of dwell set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206283256U (en) |
-
2016
- 2016-12-23 CN CN201621423987.9U patent/CN206283256U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2016111912A8 (en) | Surge protective devices | |
| CN204538558U (en) | A kind of insulated shielding cover | |
| CN206283256U (en) | One kind string box-like overvoltage protection device of dwell set | |
| CN203205866U (en) | Antistatic circuit for mobile phone interface | |
| CN204992567U (en) | Lightning protection circuit | |
| CN204517285U (en) | A kind of insulated shielding cover | |
| CN204633304U (en) | A kind of charge protector of communication equipment | |
| CN202997329U (en) | Lightning-protection power distribution cabinet | |
| CN206481054U (en) | Three phase combination overvoltage protector | |
| CN104753031A (en) | Neutral point complete-set protection device | |
| CN204517397U (en) | A kind of Novel Lightning circuit breaker | |
| CN204012691U (en) | Prevent from collecting the composite type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning | |
| CN203950756U (en) | A kind of circuit breaker and surge protector integrated assembly | |
| CN204333944U (en) | A kind of network ' s thunder device | |
| CN104113054A (en) | Combined type anti-thunder equipment capable of preventing concentrated copy electric energy meter from being damaged by thunder and lightning | |
| CN202678957U (en) | A six-branch overvoltage limiter | |
| CN203166502U (en) | Voltage-withstand tester leakage current input loop with protective circuit | |
| CN201204169Y (en) | Zero line grounding definition circuit for residual current motion protection relay | |
| CN203645316U (en) | Vehicle power supply lightning protection device | |
| CN202145515U (en) | Lightning protective socket | |
| CN211043499U (en) | Conversion circuit | |
| CN207116913U (en) | A kind of arrester based on multiple-protection | |
| CN207530514U (en) | A kind of electric wiring contact short-circuit protection | |
| CN208059857U (en) | A kind of hydrostatic level of lightning protection | |
| CN2912002Y (en) | Leakage proof plug having fire-proof function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170627 Termination date: 20171223 |