CN218957476U - Zinc oxide explosion-proof lightning arrester - Google Patents
Zinc oxide explosion-proof lightning arrester Download PDFInfo
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- CN218957476U CN218957476U CN202222999028.3U CN202222999028U CN218957476U CN 218957476 U CN218957476 U CN 218957476U CN 202222999028 U CN202222999028 U CN 202222999028U CN 218957476 U CN218957476 U CN 218957476U
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- lightning arrester
- arrester body
- arrester
- zinc oxide
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to the technical field of electrical equipment, in particular to a zinc oxide explosion-proof arrester; the lightning arrester comprises a lightning arrester body, a top connecting seat and an insulating base, wherein the top connecting seat is fixed at the upper end of the lightning arrester body and can be used for connecting wires, the insulating base is fixed at the lower end of the lightning arrester body and can realize the fixation of the lightning arrester body, a resistor piece is arranged in the lightning arrester body, the lightning arrester body can realize the protection of a high-voltage wire through the pressure sensitive characteristic of the resistor piece, the pressure release opening is formed in the surface of the lightning arrester body and can be used for timely releasing the pressure in the lightning arrester body, and due to the fact that the lightning arrester is further provided with a plugging unit, the plugging unit is covered by a cover plate and a breakable pin, external impurities are prevented from entering the lightning arrester, the cover plate is fixed on the lightning arrester body through the breakable pin and can realize the fixation of the cover plate in the lightning arrester body, and further realize the stable plugging of the pressure release opening.
Description
Technical Field
The utility model relates to the technical field of electrical equipment, in particular to a zinc oxide explosion-proof arrester.
Background
Zinc oxide arresters are arresters with good protective properties. The current flowing through the lightning arrester at normal working voltage is extremely small (microamperes or milliampere level) by utilizing the good nonlinear volt-ampere characteristic of zinc oxide; when overvoltage acts, the resistance drops sharply, and the energy of the overvoltage is discharged, so that the protection effect is achieved. The difference between the lightning arrester and the traditional lightning arrester is that the lightning arrester has no discharge gap, and the nonlinear characteristic of zinc oxide is utilized to play a role in current leakage and disconnection.
In order to improve the explosion-proof performance of the lightning arrester, the prior art generally sets up the through-hole in the inside insulating cylinder of lightning arrester to even release to internal pressure, in order to avoid outside impurity to get into inside the lightning arrester from the through-hole, need carry out the shutoff to the through-hole position, a zinc oxide explosion-proof lightning arrester as disclosed in the current patent of application number 201811436349.4, this lightning arrester establishes the sheet rubber through the through-hole position lid, in order to realize the shutoff to the through-hole, can realize the effective shutoff to the through-hole when reducing the hindrance of internal pressure release.
However, as the rubber sheet is matched with the concave holes of the grooves on the surface of the lightning arrester only through the protrusions on the rubber sheet, the rubber sheet and the lightning arrester are fixed, so that the rubber sheet is difficult to stably connect with the lightning arrester, and the rubber sheet is easy to separate from the surface of the lightning arrester, so that the through holes on the lightning arrester are difficult to stably plug.
Disclosure of Invention
The utility model aims to overcome the technical defects, and provides a zinc oxide explosion-proof arrester, which solves the technical problems that a rubber sheet is easy to separate from the surface of the arrester in the prior art, and the stable blocking of a through hole on the zinc oxide explosion-proof arrester is difficult to realize.
In order to achieve the technical purpose, the technical scheme of the utility model provides a zinc oxide explosion-proof lightning arrester, which comprises:
the lightning arrester comprises a lightning arrester body, wherein a resistor part extending along the axial direction of the lightning arrester body is arranged in the lightning arrester body, and a pressure release port for releasing pressure in the lightning arrester body is formed in the surface of the lightning arrester body;
the top connecting seat is fixed at the upper end of the lightning arrester body and is used for connecting wires;
the insulation base is fixed at the lower end of the lightning arrester body;
the plugging unit comprises a cover plate and a breakable pin, the cover plate is covered on the pressure release opening, and the breakable pin penetrates through the cover plate and is fixedly connected with the lightning arrester body.
Optionally, electrode holders connected with the resistor are arranged at two ends of the lightning arrester body, the pressure release port is arranged on the electrode holders, and the top connecting holder is fixed on the electrode holders at the upper end of the lightning arrester body.
Optionally, the lightning arrester further comprises a voltage equalizing component, the voltage equalizing component comprises a voltage equalizing ring and a plurality of connecting pieces, the voltage equalizing ring is located in the circumferential direction of the lightning arrester body, one end of each connecting piece is fixedly connected with the voltage equalizing ring, and the other end of each connecting piece is fixedly connected with the electrode holder located at the upper end of the lightning arrester body.
Optionally, the equalizing ring is provided with a connecting protrusion corresponding to each connecting piece, and the lower end of each connecting piece is fixed on the connecting protrusion through a first bolt.
Optionally, a bending part extending towards the radial direction of the lightning arrester body is arranged at the upper end of the connecting piece, and the bending part is fixed on the electrode seat at the upper end of the lightning arrester body through a second bolt.
Optionally, the top connecting seat is provided with a plurality of connecting holes for connecting wires.
Optionally, the insulating base includes top flange, vase and bottom flange, the top flange is fixed in the lower extreme of arrester body, the upper end of vase is fixed in the top flange, the bottom flange is fixed in the lower extreme of vase.
Optionally, a connecting sleeve is arranged on one side of the top flange and one side of the bottom flange, which are close to the porcelain bottle, and two ends of the porcelain bottle are respectively inserted into the connecting sleeve of the top flange and the bottom flange.
Optionally, the insulation base further comprises an elastic fastening sleeve, and the elastic fastening sleeve is located between the porcelain bottle and the connecting sleeve.
Optionally, the surfaces of the connecting sleeves are provided with reinforcing ribs for connecting the top flange and the bottom flange.
Compared with the prior art, the zinc oxide explosion-proof lightning arrester provided by the utility model has the beneficial effects that: through setting up arrester body, top connecting seat and insulating base, the top connecting seat is fixed in the upper end of arrester body can supply in connecting wire, insulating base is fixed in the lower extreme of arrester body, can realize the fixed of arrester body, the inside of arrester body is provided with the resistance, the protection to high-voltage wire is realized to the pressure sensitive characteristic of arrester body accessible resistance, the surface relief mouth of arrester body, the inside of relief mouth can supply the arrester body is in time released, owing to the arrester still is provided with the shutoff unit, the shutoff unit is through setting up apron and breakable pin, the apron lid is located the relief mouth prevents that external impurity from getting into the arrester, the apron is fixed in the arrester body through breakable pin, can realize the apron in the firm of arrester body, and then realize the stable shutoff to the relief mouth.
Drawings
Fig. 1 is a schematic structural diagram of a zinc oxide explosion-proof arrester provided by an embodiment of the utility model.
Fig. 2 is a schematic structural diagram of a voltage equalizing component of the zinc oxide explosion-proof lightning arrester provided by the embodiment of the utility model.
Fig. 3 is a front view of an insulation base of the zinc oxide explosion-proof arrester provided by the embodiment of the utility model.
Fig. 4 is a cross-sectional view taken along line A-A in fig. 3.
Wherein, each reference sign in the figure:
10-lightning arrester body 11-pressure release port 12-ceramic coat
13-electrode holder 20-top connecting holder 21-connecting hole
30-insulating base 31-top flange 32-porcelain insulator
33-bottom flange 34-elastic fastening sleeve 40-plugging unit
41-cover plate 42-breakable pin 50-pressure equalizing assembly
51-equalizing ring 52-connecting piece 53-first bolt
54-second bolt 311-connecting sleeve 312-reinforcing rib
511-connecting protrusions 521-bent portions.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The utility model provides a zinc oxide explosion-proof arrester, as shown in figure 1, comprising an arrester body 10, a top connecting seat 20, an insulating base 30 and a plugging unit 40, wherein a resistor (not identified in the figure) extending along the axial direction of the arrester body 10 is arranged in the arrester body 10, and a pressure release port 11 for releasing pressure in the arrester body 10 is formed in the surface of the arrester body 10; the top connecting seat 20 is fixed at the upper end of the lightning arrester body 10 and is used for connecting wires; the insulating base 30 is fixed to the lower end of the arrester body 10; the blocking unit 40 includes a cover 41 and a breakable pin 42, wherein the cover 41 is covered on the pressure release port 11, and the breakable pin 42 passes through the cover 41 and is fixedly connected with the lightning arrester body 10.
Specifically, the zinc oxide explosion-proof arrester is characterized in that the arrester body 10, the top connecting seat 20 and the insulating base 30 are arranged, the top connecting seat 20 is fixed at the upper end of the arrester body 10 and can be used for connecting wires, the insulating base 30 is fixed at the lower end of the arrester body 10, the arrester body 10 can be fixed, a resistor piece is arranged in the arrester body 10, the arrester body 10 can realize the protection of a high-voltage wire through the pressure-sensitive characteristic of the resistor piece, the pressure release opening 11 is formed in the surface of the arrester body 10, the pressure release opening 11 can be used for timely releasing pressure in the arrester body 10, the plugging unit 40 is arranged for preventing external impurities from entering the arrester by arranging the cover plate 41 and the breakable pin 42, the cover plate 41 is fixed at the arrester body 10 through the breakable pin 42, the cover plate 41 can be firmly fixed on the arrester body 10, the pressure release opening 11 is further stable, when the high pressure exists in the arrester body 10, the high pressure acts on the cover plate 41, the breakable pin 42 is broken, and the pressure release opening 11 is further prevented from being stably opened, and the pressure release opening 11 is not blocked.
In this embodiment, the resistor is a varistor made of zinc oxide, and the surface of the lightning arrester body 10 is provided with a ceramic jacket 12.
It is understood that the pressure release port 11 may be provided at any portion of the ceramic jacket 12 of the arrester body 10, etc. that can release pressure inside the arrester body 10.
In this embodiment, as shown in fig. 1, electrode holders 13 connected to the resistor are disposed at two ends of the lightning arrester body 10, the voltage release port 11 is disposed on the electrode holders 13, and the top connection holder 20 is fixed on the electrode holders 13 disposed at the upper end of the lightning arrester body 10. Specifically, by providing the pressure release port 11 to the motor base, the formation of the pressure release port 11 can be facilitated, and the production cost of the arrester body 10 can be reduced.
In this embodiment, as shown in fig. 1-2, the lightning arrester further includes a voltage equalizing component 50, where the voltage equalizing component 50 includes a voltage equalizing ring 51 and a plurality of connecting pieces 52, the voltage equalizing ring 51 is located in the circumferential direction of the lightning arrester body 10, one end of each connecting piece 52 is fixedly connected with the voltage equalizing ring 51, and the other end of each connecting piece 52 is fixedly connected with the electrode holder 13 located at the upper end of the lightning arrester body 10. Specifically, the voltage equalizing component 50 can realize connection of the voltage equalizing ring 51 and the motor base by arranging the voltage equalizing ring 51 and the connecting pieces 52, and the voltage equalizing ring 51 can equalize the voltage of the lightning arrester, so that the voltage distribution of the lightning arrester is improved, and the stability of the lightning arrester is improved.
In this embodiment, as shown in fig. 1 to 2, the equalizing ring 51 is provided with connection protrusions 511 corresponding to the respective connection members 52, and the lower ends of the connection members 52 are fixed to the connection protrusions 511 by the first bolts 53. Specifically, the equalizing ring 51 can provide convenience for connection of the connecting piece 52 and the equalizing ring 51 by arranging the connecting protrusion 511, and the connecting piece 52 is fixed on the connecting protrusion 511 by the first bolt 53, so that convenience for dismounting the equalizing ring 51 and the connecting piece 52 can be provided.
In this embodiment, as shown in fig. 1 to 2, the upper end of the connecting piece 52 is provided with a bent portion 521 extending in the radial direction of the lightning arrester body 10, and the bent portion 521 is fixed to the electrode holder 13 at the upper end of the lightning arrester body 10 by the second bolt 54. Specifically, the connecting piece 52 is provided with the bending portion 521 extending towards the radial direction of the lightning arrester body 10 at the upper end, so that the upper end of the connecting piece 52 is flush with the surface of the electrode holder 13, and further, the connecting piece 52 and the electrode holder 13 are convenient to connect, and meanwhile, the bending portion 521 is fixed on the electrode holder 13 through the second bolt 54, so that convenience is provided for dismounting the connecting piece 52 and the electrode holder 13.
In this embodiment, as shown in fig. 1, the top connecting base 20 is provided with a plurality of connecting holes 21 for connecting wires. Specifically, the top connecting seat 20 can provide convenience for connection of the wire with the top connecting seat 20 by providing the connecting hole 21.
In this embodiment, as shown in fig. 1 and 3 to 4, the insulating base 30 includes a top flange 31, a porcelain insulator 32 and a bottom flange 33, the top flange 31 is fixed to the lower end of the lightning arrester body 10, the upper end of the porcelain insulator 32 is fixed to the top flange 31, and the bottom flange 33 is fixed to the lower end of the porcelain insulator 32. Specifically, the top flange 31 can realize the stability of the insulating base 30 and the lightning arrester body 10, the porcelain insulator 32 can ensure the insulating performance of the insulating base 30, and the bottom flange 33 can realize the fixation of the lightning arrester.
In this embodiment, as shown in fig. 1 and 3 to 4, further, a connecting sleeve 311 is disposed on one side of the top flange 31 and the bottom flange 33 close to the porcelain insulator 32, and two ends of the porcelain insulator 32 are respectively inserted into the connecting sleeves 311 of the top flange 31 and the bottom flange 33. Specifically, by providing the connection sleeve 311 through the top flange 31 and the bottom flange 33, convenience can be provided for connection of the porcelain insulator 32 with the top flange 31 and the bottom flange 33, and stability of connection of the porcelain insulator 32 with the top flange 31 and the bottom flange 33 can be ensured.
In this embodiment, as shown in fig. 4, the insulating base 30 further includes an elastic fastening sleeve 34, and the elastic fastening sleeve 34 is located between the porcelain insulator 32 and the connecting sleeve 311. Specifically, the insulating base 30 can realize interference fit between the porcelain insulator 32 and the top flange 31 and the bottom flange 33 by arranging the elastic fastening sleeve 34, so as to realize the stability of the porcelain insulator 32 and the top flange 31 and the bottom flange 33.
In this embodiment, further, as shown in fig. 1 and 3, the surfaces of the connecting sleeves 311 are each provided with a reinforcing rib 312 connecting the top flange 31 and the bottom flange 33. Specifically, the surface of the connecting sleeve 311 is provided with the reinforcing ribs 312, so that the structure of the connecting sleeve 311 can be effectively reinforced.
The above-described embodiments of the present utility model do not limit the scope of the present utility model. Any other corresponding changes and modifications made in accordance with the technical idea of the present utility model shall be included in the scope of the claims of the present utility model.
Claims (10)
1. A zinc oxide explosion-proof arrester, comprising:
the lightning arrester comprises a lightning arrester body, wherein a resistor part extending along the axial direction of the lightning arrester body is arranged in the lightning arrester body, and a pressure release port for releasing pressure in the lightning arrester body is formed in the surface of the lightning arrester body;
the top connecting seat is fixed at the upper end of the lightning arrester body and is used for connecting wires;
the insulation base is fixed at the lower end of the lightning arrester body;
the plugging unit comprises a cover plate and a breakable pin, the cover plate is covered on the pressure release opening, and the breakable pin penetrates through the cover plate and is fixedly connected with the lightning arrester body.
2. The zinc oxide explosion-proof arrester according to claim 1, wherein electrode holders connected with a resistor are arranged at two ends of the arrester body, a pressure release port is arranged on the electrode holders, and the top connecting holder is fixed on the electrode holders at the upper end of the arrester body.
3. The zinc oxide explosion-proof arrester of claim 2, further comprising a voltage equalizing assembly, wherein the voltage equalizing assembly comprises a voltage equalizing ring and a plurality of connecting pieces, the voltage equalizing ring is located in the circumferential direction of the arrester body, one end of each connecting piece is fixedly connected with the voltage equalizing ring, and the other end of each connecting piece is fixedly connected with the electrode holder located at the upper end of the arrester body.
4. A zinc oxide explosion-proof arrester according to claim 3, wherein the equalizing ring is provided with a connecting protrusion corresponding to each connecting piece, and the lower end of the connecting piece is fixed to the connecting protrusion through a first bolt.
5. A zinc oxide explosion-proof arrester according to claim 3, wherein the upper end of the connecting piece is provided with a bending part extending radially towards the arrester body, and the bending part is fixed to the electrode holder at the upper end of the arrester body by a second bolt.
6. The zinc oxide explosion-proof arrester according to any one of claims 1 to 5, wherein the top connection base is provided with a plurality of connection holes for connection of wires.
7. The zinc oxide explosion-proof arrester of any one of claims 1 to 5, wherein the insulating base includes a top flange, a porcelain bottle and a bottom flange, the top flange is fixed to the lower end of the arrester body, the upper end of the porcelain bottle is fixed to the top flange, and the bottom flange is fixed to the lower end of the porcelain bottle.
8. The zinc oxide explosion-proof arrester of claim 7, wherein a connecting sleeve is arranged on one side of the top flange and one side of the bottom flange, which are close to the porcelain insulator, and two ends of the porcelain insulator are respectively inserted into the connecting sleeve of the top flange and the bottom flange.
9. The zinc oxide explosion-proof arrester of claim 8, wherein the insulating base further comprises an elastic fastening sleeve, the elastic fastening sleeve being located between the porcelain bottle and the connecting sleeve.
10. The zinc oxide explosion-proof arrester of claim 8, wherein the surfaces of the connection sleeves are each provided with a reinforcing rib connecting the top flange and the bottom flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222999028.3U CN218957476U (en) | 2022-11-08 | 2022-11-08 | Zinc oxide explosion-proof lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222999028.3U CN218957476U (en) | 2022-11-08 | 2022-11-08 | Zinc oxide explosion-proof lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218957476U true CN218957476U (en) | 2023-05-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222999028.3U Active CN218957476U (en) | 2022-11-08 | 2022-11-08 | Zinc oxide explosion-proof lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218957476U (en) |
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2022
- 2022-11-08 CN CN202222999028.3U patent/CN218957476U/en active Active
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