CN207319817U - A kind of external series gap type arrester - Google Patents
A kind of external series gap type arrester Download PDFInfo
- Publication number
- CN207319817U CN207319817U CN201721287431.6U CN201721287431U CN207319817U CN 207319817 U CN207319817 U CN 207319817U CN 201721287431 U CN201721287431 U CN 201721287431U CN 207319817 U CN207319817 U CN 207319817U
- Authority
- CN
- China
- Prior art keywords
- fixed
- insulator
- arrester
- connecting pin
- flange
- 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 external series gap type arrester,The insulator is made of the connecting pin that both ends are metal material and the insulation division that middle part is ceramic material,Arrester includes lightning arrester body,Sparking electrode,Flange,The quantity of arrester is two groups,And it is separately fixed at the upper and lower side of insulator,Flange is fixed on the rearward end of lightning arrester body,Flange is fastenedly connected by U-shaped card and the connecting pin at insulator both ends,The middle part of U-shaped card passes through the U-lag on card slot,U-shaped card is fixed on the connecting pin at insulator both ends,The front end of lightning arrester body is fixed with sparking electrode,Two groups of sparking electrode opposition are set,And discharging gap is equipped between two groups of sparking electrodes,The bottom of insulator lower end connecting pin is fixed with screw rod,Screw rod is fixedly arranged in the middle of fixed plate,Cable is pressed between pressing plate and fixed plate by pressing plate,The utility model has easy to use,It is simple in structure,The advantages of cost is low.
Description
Technical field
The utility model belongs to arrester technical field, and in particular to a kind of external series gap type arrester.
Background technology
Arrester is connected between cable and the earth, usually in parallel with by protection equipment.Arrester can be protected effectively
Equipment, once there is abnormal voltage, arrester will act, and play a protective role.When cable or equipment are working normally
When being run under voltage, arrester will not act, and be considered as open circuit for ground.Once there is high voltage, and jeopardize and protected
When protecting apparatus insulated, arrester acts immediately, by high-voltage impact conduct current the earth, so that voltage magnitude is limited, protective wire
Cable and apparatus insulated.After having served as loss of voltage, arrester restores to the original state rapidly, works normally circuit.
Existing arrester is mostly monolithic construction, and the installation and removal to scene bring inconvenience, while existing
Arrester also there are it is complicated, of high cost the defects of.
Utility model content
The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of external series gap type is taken shelter from the thunder
Device.
A kind of external series gap type arrester of technical solutions of the utility model, including arrester, insulator, pressing plate, it is described
Insulator is made of the connecting pin that both ends are metal material and the insulation division that middle part is ceramic material, and the arrester includes lightning-arrest
Device body, sparking electrode, flange, the quantity of the arrester is two groups, and is separately fixed at the upper and lower side of insulator, the method
Orchid is fixed on the rearward end of lightning arrester body, and the flange is fastenedly connected by U-shaped card and the connecting pin at insulator both ends, described
The middle part of U-shaped card is fixed on the connecting pin at insulator both ends through the U-lag on card slot, the U-shaped card, the arrester sheet
The front end of body is fixed with sparking electrode, and two groups of sparking electrode opposition are set, and discharging gap is equipped between two groups of sparking electrodes,
The bottom of insulator lower end connecting pin is fixed with screw rod, and the screw rod is fixedly arranged in the middle of fixed plate, and the pressing plate is by electricity
Cable is pressed between pressing plate and fixed plate.
Preferably, the pressing plate is equipped with the arc groove of opposition with fixed plate.
Preferably, suspension hook is fixed with the connecting pin of the insulator upper end, the suspension hook is fixed on the bottom of fixed card slot
Portion, the fixed card slot are C-shaped configuration, and the fixed card slot is equipped with bolt hole.
Compared with prior art, the beneficial effects of the utility model are：
The utility model realizes the fixation of lightning arrester body by flange and U-shaped card, can realize the fast of lightning arrester body
Quick-detach and assembling, have the advantages that easy to use, while when lightning arrester body is damaged, can be rapidly performed by more
Change, use can be further facilitated；The utility model also has the advantages of component is few, and simple in structure, cost is low, and stability is good.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of external series gap type arrester of the utility model.
Fig. 2 is the schematic cross-sectional view in A-A directions in Fig. 1.
Fig. 3 is the partial enlarged view at B in Fig. 1.
In figure, 1, fixed card slot, 2, suspension hook, 3, lightning arrester body, 4, sparking electrode, 5, flange, 6, card slot, 7, U-shaped card,
8th, insulator, 9, fixed plate, 10, cable, 11, pressing plate, 12, screw rod.
Embodiment
For ease of skilled artisan understands that technical solutions of the utility model, new to this practicality in conjunction with Figure of description
Type technical solution is described further.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of external series gap type arrester, including arrester, insulator 8, pressing plate 11, institute
State insulator 8 to be made of the connecting pin that both ends are metal material and the insulation division that middle part is ceramic material, the arrester includes
Lightning arrester body 3, sparking electrode 4, flange 5, the quantity of the arrester is two groups, and is separately fixed at the upper and lower of insulator 8
End, the flange 5 are fixed on the rearward end of lightning arrester body 3, the connection that the flange 5 passes through U-shaped card 7 and 8 both ends of insulator
End is fastenedly connected, and the middle part of the U-shaped card 7 is fixed on the company at 8 both ends of insulator through the U-lag on card slot 6, the U-shaped card 7
Connect on end, the front end of the lightning arrester body 3 is fixed with sparking electrode 4, and two groups of opposition of sparking electrode 4 are set, and two groups put
Discharging gap is equipped between electrode 4, the bottom of the 8 lower end connecting pin of insulator is fixed with screw rod 12, the screw rod 12
Fixed plate 9 is fixedly arranged in the middle of, cable 10 is pressed between pressing plate 11 and fixed plate 9 by the pressing plate 11, and the pressing plate 11 is with consolidating
Fixed board 9 is equipped with the arc groove of opposition, is fixed with suspension hook 2 on the connecting pin of 8 upper end of insulator, the suspension hook 2 is fixed on
The bottom of fixed card slot 1, the fixed card slot 1 are C-shaped configuration, and the fixed card slot 1 is equipped with bolt hole.
The operation principle of the utility model is：
For the utility model in normal operation, discharging gap isolation power-frequency voltage, lightning arrester body 3 hardly undertakes electricity
Pressure；Under lightning surge effect, discharging gap is breakdown, and Low ESR is presented in lightning arrester body 3 under high voltages, by lightning current
Release into ground；After lightning impulse, power-frequency voltage is added on lightning arrester body 3, and body returns to high impedance status at lower voltages,
The power frequency continued flow passed through is suppressed to small value, and discharging gap dielectric strength is restored rapidly, interdicts afterflow, and system is returned to
Normal operating condition.
Technical solutions of the utility model are exemplarily described utility model above in conjunction with attached drawing, it is clear that this practicality
New specific implementation is not subject to the restrictions described above, as long as employing the methodology and technical solution progress of the utility model
Various unsubstantialities improve, or it is not improved the design of utility model and technical solution are directly applied into other occasions,
Within the scope of protection of the utility model.
Claims (3)
1. a kind of external series gap type arrester, including arrester, insulator (8), pressing plate (11), it is characterised in that：It is described exhausted
Edge (8) is made of the connecting pin that both ends are metal material and the insulation division that middle part is ceramic material, and the arrester includes keeping away
Thunder device body (3), sparking electrode (4), flange (5), the quantity of the arrester is two groups, and is separately fixed at insulator (8)
Upper and lower side, the flange (5) is fixed on the rearward end of lightning arrester body (3), and the flange (5) passes through U-shaped card (7) and insulation
The connecting pin at sub (8) both ends is fastenedly connected, and the middle part of the U-shaped card (7) passes through the U-lag on card slot (6), the U-shaped card (7)
It is fixed on the connecting pin at insulator (8) both ends, the front end of the lightning arrester body (3) is fixed with sparking electrode (4), two groups
Sparking electrode (4) opposition is set, and discharging gap is equipped between two groups of sparking electrodes (4), insulator (8) the lower end connecting pin
Bottom be fixed with screw rod (12), the screw rod (12) is fixedly arranged in the middle of fixed plate (9), and the pressing plate (11) is by cable (10)
It is pressed between pressing plate (11) and fixed plate (9).
A kind of 2. external series gap type arrester according to claim 1, it is characterised in that：The pressing plate (11) is with fixing
Plate (9) is equipped with the arc groove of opposition.
A kind of 3. external series gap type arrester according to claim 1, it is characterised in that：Insulator (8) upper end
Connecting pin on be fixed with suspension hook (2), the suspension hook (2) is fixed on the bottom of fixed card slot (1), and the fixed card slot (1) is C
Shape structure, the fixed card slot (1) are equipped with bolt hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721287431.6U CN207319817U (en) | 2017-10-09 | 2017-10-09 | A kind of external series gap type arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721287431.6U CN207319817U (en) | 2017-10-09 | 2017-10-09 | A kind of external series gap type arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207319817U true CN207319817U (en) | 2018-05-04 |
Family
ID=62429431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721287431.6U Expired - Fee Related CN207319817U (en) | 2017-10-09 | 2017-10-09 | A kind of external series gap type arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207319817U (en) |
-
2017
- 2017-10-09 CN CN201721287431.6U patent/CN207319817U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180504 Termination date: 20211009 |