CN208272628U - A kind of gapless Combined over-voltage protection device - Google Patents
A kind of gapless Combined over-voltage protection device Download PDFInfo
- Publication number
- CN208272628U CN208272628U CN201821010949.XU CN201821010949U CN208272628U CN 208272628 U CN208272628 U CN 208272628U CN 201821010949 U CN201821010949 U CN 201821010949U CN 208272628 U CN208272628 U CN 208272628U
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- China
- Prior art keywords
- zinc oxide
- valve plate
- oxide valve
- arrester
- zinc
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Abstract
The utility model discloses a kind of gapless Combined over-voltage protection devices; including shell; bottom is fixedly installed with epoxy back box in the shell; it is respectively perpendicular in the epoxy back box and the first zinc oxide valve plate, the second zinc oxide valve plate and third zinc oxide valve plate is installed; the bottom end of first zinc oxide valve plate, the second zinc oxide valve plate and third zinc oxide valve plate is inserted into respectively in three through-holes of epoxy back box upper surface, and the top of first zinc oxide valve plate, the second zinc oxide valve plate and third zinc oxide valve plate is inserted into respectively in three upper through-holes of shell.The device by being connected separately with the first arrester, the second arrester and third arrester two-by-two between the first zinc oxide valve plate, the second zinc oxide valve plate and third zinc oxide valve plate; to overvoltage protection between phase and phase; avoid potential faults; by the way that bolt block is arranged in epoxy back box surrounding bottom; epoxy back box is immobilized in the shell by bolt, facilitates installing and dismounting.
Description
Technical field
The utility model relates to overvoltage protection technical field, specially a kind of gapless combination overvoltage protection
Device.
Background technique
Overvoltage protection is a kind of high-performance overvoltage absorbing device, for limiting atmospheric over-voltage and various vacuum
Switching overvoltage caused by switching, mainly for the protection of generator, transformer, switch, bus, motor, Shunt compensation capacitor
Damage of the insulation of the electrical equipments such as device from overvoltage.
However traditional overvoltage protection meet each other between there is no overvoltage protection, be easy to cause certain failure, deposit
In hidden danger.
Be able to solve problems if it can invent a kind of device with alternate over-voltage protection function, thus I
Provide a kind of gapless Combined over-voltage protection device.
Utility model content
The purpose of this utility model is to provide a kind of gapless Combined over-voltage protection devices, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of gapless combination overvoltage protection
Device, including shell, bottom is fixedly installed with epoxy back box in the shell, is respectively perpendicular in the epoxy back box and is equipped with
One zinc oxide valve plate, the second zinc oxide valve plate and third zinc oxide valve plate, first zinc oxide valve plate, the second zinc oxide valve plate
It is inserted into three through-holes of epoxy back box upper surface respectively with the bottom end of third zinc oxide valve plate, first zinc oxide valve plate,
The top of second zinc oxide valve plate and third zinc oxide valve plate is inserted into respectively in three upper through-holes of shell, first zinc oxide
Be connected with the first arrester between valve block and the second zinc oxide valve plate, second zinc oxide valve plate and third zinc oxide valve plate it
Between be connected with the second arrester, between first zinc oxide valve plate and third zinc oxide valve plate connect third arrester.
Preferably, the epoxy back box surrounding bottom is connected with bolt block, and the epoxy back box is bolted
It is mounted in shell inner bottom wall.
Preferably, first arrester both ends are separately connected the first zinc oxide valve plate and the second oxygen by zinc-plated flexible circuit conductor
Change the bottom end of zinc valve block, the both ends of second arrester are separately connected the second zinc oxide valve plate and third by zinc-plated annealed copper wire
The both ends of the bottom end of zinc oxide valve plate, the third arrester are separately connected the first zinc oxide valve plate and by zinc-plated annealed copper wire
The bottom end of three zinc oxide valve plates.
Preferably, first arrester, the second arrester and third arrester are metal oxide arrester.
Preferably, it is opened up respectively on the antetheca of the epoxy back box with three zinc oxide valve plate corresponding positions there are three before
Through-hole, the shell are separately installed with matched three ground loops on the bottom wall of three front through hole sides.
Compared with prior art, the utility model has the beneficial effects that
1. the device by dividing two-by-two between the first zinc oxide valve plate, the second zinc oxide valve plate and third zinc oxide valve plate
It is not connected with the first arrester, the second arrester and third arrester, to overvoltage protection between phase and phase, avoids failure hidden
Suffer from.
2. epoxy back box is fixed on shell by bolt by the way that bolt block is arranged in epoxy back box surrounding bottom by the device
It is interior, facilitate installing and dismounting.
Detailed description of the invention
Fig. 1 is the utility model layered structure schematic diagram；
Fig. 2 is the main view of the utility model.
In figure: 1 shell, 2 epoxy back box, 3 bolt blocks, 4 bolts, 5 first zinc oxide valve plates, 6 second zinc oxide valve plates, 7
Third zinc oxide valve plate, through-hole, 9 first arresters, 10 second arresters, 11 third arresters, 12 front through hole, 13 ground connection on 8
Ring.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the technical solution in the utility model, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of gapless combination overvoltage protection dress
It sets, including shell 1, bottom is fixedly installed with epoxy back box 2 in shell 1, is respectively perpendicular in epoxy back box 2 and is equipped with the first oxidation
Zinc valve block 5, the second zinc oxide valve plate 6 and third zinc oxide valve plate 7, the first zinc oxide valve plate 5, the second zinc oxide valve plate 6 and
The bottom end of three zinc oxide valve plates 7 is inserted into respectively in three through-holes of 2 upper surface of epoxy back box, and bottom end connecting wire again respectively from
It being pierced by and is connected on corresponding ground loop 13 in three front through hole 12, ground loop 13 and ground line connect, the first zinc oxide valve plate 5,
The top of second zinc oxide valve plate 6 and third zinc oxide valve plate 7 is inserted into connection in three upper through-holes 8 of shell 1 respectively and is protected
Electrical three phase terminals are connected with the first arrester 9, the second zinc oxide between the first zinc oxide valve plate 5 and the second zinc oxide valve plate 6
The second arrester 10, the first zinc oxide valve plate 5 and third zinc oxide valve plate 7 are connected between valve block 6 and third zinc oxide valve plate 7
Between connect third arrester 11, the first arrester 9, the second arrester 10 and third arrester 11 are to overvoltage between phase and phase
Protection.
Further, 2 surrounding bottom of epoxy back box is connected with bolt block 3, and epoxy back box 2 passes through the fixed peace of bolt 4
In 1 inner bottom wall of shell, it is easily installed.
Further, 9 both ends of the first arrester are separately connected the first zinc oxide valve plate 5 and the second oxygen by zinc-plated flexible circuit conductor
Change the bottom end of zinc valve block 6, the both ends of the second arrester 10 are separately connected the second zinc oxide valve plate 6 and third by zinc-plated annealed copper wire
The both ends of the bottom end of zinc oxide valve plate 7, third arrester 11 are separately connected the first zinc oxide valve plate 5 and by zinc-plated annealed copper wire
The bottom end of three zinc oxide valve plates 7.
Further, the first arrester 9, the second arrester 10 and third arrester 11 are metal oxide arrester.
Further, it is opened up respectively on the antetheca of epoxy back box 2 with three zinc oxide valve plate corresponding positions there are three before
Through-hole 12, shell 1 are separately installed with matched three ground loops 13 on the bottom wall of three 12 sides of front through hole.
Working principle: when the device works, epoxy back box 2 is fixed in 1 inner bottom wall of shell by bolt 4, facilitates peace
Assembly and disassembly are unloaded, and the bottom end of the first zinc oxide valve plate 5, the second zinc oxide valve plate 6 and third zinc oxide valve plate 7 is placed in epoxy back box 2
In the through-hole on surface, and bottom end connecting wire is pierced by from three front through hole 12 is connected on corresponding ground loop 13 respectively, ground loop
13 connection ground lines, shell 1 is protruded on the top of the first zinc oxide valve plate 5, the second zinc oxide valve plate 6 and third zinc oxide valve plate 7
Three upper through-holes 8 in, and three be connected with by protection is electrical respectively by conducting wire, the oxidation of the first zinc oxide valve plate 5, second
It is lightning-arrest that the first arrester 9, the second arrester 10 and third are connected separately between zinc valve block 6 and third zinc oxide valve plate 7 two-by-two
Device 11 avoids potential faults to overvoltage protection between phase and phase.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of gapless Combined over-voltage protection device, including shell (1), it is characterised in that: the interior bottom of the shell (1)
It is fixedly installed with epoxy back box (2), is respectively perpendicular on the epoxy back box (2) and the first zinc oxide valve plate (5), the second oxygen are installed
Change zinc valve block (6) and third zinc oxide valve plate (7), first zinc oxide valve plate (5), the second zinc oxide valve plate (6) and third
The bottom end of zinc oxide valve plate (7) is inserted into respectively in three through-holes of epoxy back box (2) upper surface, first zinc oxide valve plate
(5), three upper through-hole (8) of shell (1) are inserted on the top of the second zinc oxide valve plate (6) and third zinc oxide valve plate (7) respectively
It is interior, it is connected with the first arrester (9) between first zinc oxide valve plate (5) and the second zinc oxide valve plate (6), second oxygen
Change and is connected with the second arrester (10) between zinc valve block (6) and third zinc oxide valve plate (7), first zinc oxide valve plate (5)
Third arrester (11) are connected between third zinc oxide valve plate (7).
2. a kind of gapless Combined over-voltage protection device according to claim 1, it is characterised in that: the epoxy bottom
Box (2) surrounding bottom is connected with bolt block (3), and the epoxy back box (2) is fixedly mounted on shell (1) by bolt (4)
In inner bottom wall.
3. a kind of gapless Combined over-voltage protection device according to claim 1, it is characterised in that: described first keeps away
Thunder device (9) both ends are separately connected the bottom end of the first zinc oxide valve plate (5) and the second zinc oxide valve plate (6) by zinc-plated flexible circuit conductor,
The both ends of second arrester (10) are separately connected the second zinc oxide valve plate (6) and third zinc oxide valve by zinc-plated annealed copper wire
The bottom end of piece (7), the both ends of the third arrester (11) by zinc-plated annealed copper wire be separately connected the first zinc oxide valve plate (5) and
The bottom end of third zinc oxide valve plate (7).
4. a kind of gapless Combined over-voltage protection device according to claim 1, it is characterised in that: described first keeps away
Thunder device (9), the second arrester (10) and third arrester (11) are metal oxide arrester.
5. a kind of gapless Combined over-voltage protection device according to claim 1, it is characterised in that: the epoxy bottom
It is opened up respectively with three zinc oxide valve plate corresponding positions there are three front through hole (12) on the antetheca of box (2), the shell (1) is leaned on
Matched three ground loops (13) are separately installed on the bottom wall of nearly three front through hole (12) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821010949.XU CN208272628U (en) | 2018-06-28 | 2018-06-28 | A kind of gapless Combined over-voltage protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821010949.XU CN208272628U (en) | 2018-06-28 | 2018-06-28 | A kind of gapless Combined over-voltage protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208272628U true CN208272628U (en) | 2018-12-21 |
Family
ID=64690527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821010949.XU Active CN208272628U (en) | 2018-06-28 | 2018-06-28 | A kind of gapless Combined over-voltage protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208272628U (en) |
-
2018
- 2018-06-28 CN CN201821010949.XU patent/CN208272628U/en active Active
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