CN217507025U - Lightning arrester with heat dissipation function - Google Patents
Lightning arrester with heat dissipation function Download PDFInfo
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- CN217507025U CN217507025U CN202221350943.3U CN202221350943U CN217507025U CN 217507025 U CN217507025 U CN 217507025U CN 202221350943 U CN202221350943 U CN 202221350943U CN 217507025 U CN217507025 U CN 217507025U
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- water storage
- dissipation function
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Abstract
The utility model relates to a lightning arrester with heat dissipation function, which comprises a core body and a shell body, wherein the interior of the shell body is provided with an installation cavity, the core body is fixedly arranged in the installation cavity, the interior of the shell body is also provided with a water storage cavity and a plurality of exhaust channels communicated with the water storage cavity outside the installation cavity, and the water storage cavity is used for storing cooling water; a plurality of skirt-shaped bulges distributed at intervals are formed outside the shell in the length direction, and the bottom of at least one skirt-shaped bulge is provided with an exhaust hole communicated with the exhaust channel. Compared with the prior art, the utility model provides an arrester with heat dissipation function has following beneficial effect: the shell of the lightning arrester is internally provided with a heat dissipation structure consisting of a water storage cavity, an exhaust channel and an exhaust hole, and the heat dissipation structure can be used for assisting the shell to dissipate heat when the internal temperature of the lightning arrester is higher.
Description
Technical Field
The utility model relates to an arrester technical field especially relates to an arrester with heat dissipation function.
Background
A lightning arrester, which is a common electrical appliance for protecting electrical equipment from high transient overvoltage, and is widely applied in the fields of power distribution systems, power plants, transformer substations, etc., and the specific structure and the working principle thereof refer to a lightning arrester for inhibiting flashover of a resistor disc disclosed in patent No. cn202121223709.
Although the lightning arrester can inhibit the flashover of the resistor disc, the lightning arrester has certain defects that the heat dissipation of the lightning arrester is realized only by the shell of the lightning arrester, the heat dissipation effect is poor, and the internal structure of the lightning arrester can break down due to overhigh temperature in the actual use process.
Therefore, an arrester with a heat dissipation function is needed to solve the problem of poor heat dissipation capability of the existing arrester.
SUMMERY OF THE UTILITY MODEL
In view of this, it is necessary to provide an arrester with a heat dissipation function to solve the problem of poor heat dissipation capability of the conventional arrester.
The utility model provides a lightning arrester with heat dissipation function, which comprises a core body and a shell body, wherein an installation cavity is arranged inside the shell body, the core body is fixedly arranged in the installation cavity, a water storage cavity and a plurality of exhaust channels communicated with the water storage cavity are also arranged outside the installation cavity inside the shell body, and the water storage cavity is used for storing cooling water;
a plurality of skirt-shaped bulges distributed at intervals are formed on the outer part of the shell in the length direction, and the bottom of at least one skirt-shaped bulge is provided with an exhaust hole communicated with the exhaust channel.
Furthermore, a reservoir is formed outside the shell, and a plurality of water inlet channels communicated with the reservoir cavity are formed in the wall of the reservoir.
Further, the arrester with heat dissipation function still includes a plurality of seal assembly, seal assembly fixed set up in the water storage chamber, and with the inlet channel one-to-one for be used for when the water level in the cistern is less than the settlement height, with the inlet channel shutoff is stopped up.
Further, seal assembly includes baffle, elastic component and ball sealer, the baffle with the chamber end fixed connection in water storage cavity, the ball sealer passes through the elastic component with baffle fixed connection, with the elastic component the spring action down with inhalant canal's water inlet offsets.
Further, the elastic member is a compression spring.
Further, the core body comprises a first electrode, a second electrode, a plurality of valve plates, a first conical electrode, a second conical electrode, a gap ring and an insulating sheath, wherein the first electrode, the plurality of valve plates, the first conical electrode, the gap ring and the second conical electrode are sequentially arranged in the insulating sheath.
Further, the core still includes first electrically conductive bolt and second electrically conductive bolt, first electrically conductive bolt's one end with first electrode fixed connection, the other end of first electrode by the top of casing extends to the outside of casing, the one end of second electrically conductive bolt with second electrode fixed connection, the other end of second electrically conductive bolt by the bottom of casing extends to the outside of casing.
Further, the insulating sheath is a Duliton insulating sheath.
Furthermore, the valve plate is a zinc oxide valve plate.
Further, the shell is a ceramic shell.
Compared with the prior art, the utility model provides an arrester with heat dissipation function has following beneficial effect:
on one hand, a heat dissipation structure consisting of a water storage cavity, an exhaust channel and an exhaust hole is arranged in a shell of the lightning arrester, and the heat dissipation structure can assist the shell to dissipate heat when the internal temperature of the lightning arrester is higher, namely when the internal temperature of the lightning arrester is higher, cooling water in the water storage cavity can absorb heat inside the lightning arrester and discharge the absorbed heat from the exhaust hole by virtue of the evaporation effect of the cooling water after absorption;
on the other hand, the exhaust holes in the heat dissipation structure are arranged below the skirt-shaped bulges, and the exhaust holes arranged at the positions are difficult to be blocked by impurities such as dust, bird droppings and the like.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the lightning arrester with a heat dissipation function provided by the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
fig. 4 is a schematic structural diagram of a preferred embodiment of a sealing assembly in the lightning arrester with a heat dissipation function provided by the present invention;
fig. 5 is a schematic structural diagram of a preferred embodiment of the core in the lightning arrester with a heat dissipation function provided by the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.
Please refer to fig. 1 to 3, the utility model provides a lightning arrester with heat dissipation function, this lightning arrester includes core 1 and casing 2, an installation cavity 2a has been seted up to the inside of casing 2, core 1 fixed set up in installation cavity 2a, the inside of casing 2 is in an annular water storage cavity 2b and a plurality of with the exhaust passage 2c of water storage cavity 2b intercommunication have still been seted up in the outside of installation cavity 2a, water storage cavity 2b is used for depositing the cooling water.
The outside of casing 2 is formed with six skirt-shaped bulges 21 of interval distribution in length direction, certainly, in other embodiments the skirt-shaped bulges 21 can also be other quantity, the utility model discloses do not do the restriction to this, wherein, at least one the bottom of skirt-shaped bulges 21 is seted up with exhaust hole 21a that exhaust passage 2c communicates.
In the actual use, when the internal temperature of arrester is higher, the cooling water in the water storage cavity 2b can absorb the heat in the arrester, and rely on the evaporation of self after the absorption, discharge the absorbed heat by exhaust hole 21a department to play supplementary radiating effect.
Compared with the prior art, the utility model provides an arrester with heat dissipation function has following beneficial effect: on one hand, the shell 2 of the lightning arrester is internally provided with a heat dissipation structure consisting of a water storage cavity 2b, an exhaust channel 2c and an exhaust hole 21a, and the heat dissipation structure can assist the shell 2 to dissipate heat when the internal temperature of the lightning arrester is higher; on the other hand, the exhaust hole 21a in the heat dissipation structure is opened below the skirt-shaped protrusion 21, and the exhaust hole 21a opened at this position is less likely to be blocked by impurities such as dust and bird droppings.
Referring to fig. 1 and 2, as a preferred embodiment, an annular water reservoir 2d is formed outside the housing 2 and outside the water storage cavity 2b, and a plurality of water inlet channels 2e communicated with the water storage cavity 2b are opened on a wall of the water reservoir 2 d. Based on the structure, the lightning arrester provided by the embodiment can collect rainwater through the water storage tank 2d when raining, and leads into the water storage cavity 2b through the water inlet channel 2e so as to supplement cooling water lost due to evaporation in the water storage cavity 2 b.
Referring to fig. 2 and 4, as a preferred embodiment, the lightning arrester with heat dissipation function further includes a plurality of sealing assemblies 3, the sealing assemblies 3 are fixedly disposed in the water storage cavity 2b and are in one-to-one correspondence with the water inlet channels 2e, and the sealing assemblies 3 are configured to block the water inlet channels 2e when the water level in the water storage reservoir 2d is lower than a set height, so as to prevent the cooling water in the water storage cavity 2b from flowing away too quickly.
With reference to fig. 2 and fig. 4, as a preferred embodiment, the sealing assembly 3 includes a baffle 31, an elastic element 32, and a sealing ball 33, the baffle 31 is fixedly connected to the bottom of the water storage cavity 2b, and the sealing ball 33 is fixedly connected to the baffle 31 through the elastic element 32, so as to abut against the water inlet of the water inlet channel 2e under the elastic force of the elastic element 32. When the water level in the reservoir 2d is higher than the set height, the water pressure of the reservoir 2d pushes the sealing ball 33 away, so that the water in the reservoir 2d can enter the water storage cavity 2b, and when the water level in the reservoir 2d is lower than the set height, the sealing ball 33 can be pressed against the water inlet of the water inlet channel 2e again under the elastic force of the elastic member 32, so as to block the water inlet channel 2 e.
In a preferred embodiment, the elastic member 32 is a compression spring.
Referring to fig. 5, as a preferred embodiment, the core 1 includes a first electrode 11, a second electrode 12, a plurality of valve plates 13, a first tapered electrode 14, a second tapered electrode 15, a gap ring 16, and an insulating sheath 17, where the first electrode 11, the plurality of valve plates 13, the first tapered electrode 14, the gap ring 16, and the second tapered electrode 15 are sequentially disposed inside the insulating sheath 17, and a protection gap formed in the core 1 by the first tapered electrode 14, the gap ring 16, and the second tapered electrode 15 can cut off power frequency current more quickly after an impact overvoltage disappears, so as to achieve the effects of preventing a relay protection action and preventing the valve plates 13 from aging.
With reference to fig. 5, as a preferred embodiment, the core 1 further includes a first conductive bolt 18 and a second conductive bolt 19, one end of the first conductive bolt 18 is fixedly connected to the first electrode 11, the other end of the first electrode 11 extends from the top of the housing 2 to the outside of the housing 2, one end of the second conductive bolt 19 is fixedly connected to the second electrode 12, and the other end of the second conductive bolt 19 extends from the bottom of the housing 2 to the outside of the housing 2, wherein the first conductive bolt 18 and the portion of the second conductive bolt 19 extending to the outside of the housing 2 are used for being fixedly connected to other components, so as to achieve fixing and electrical conduction of the entire lightning arrester.
In a preferred embodiment, the insulating sheath 17 is a Duliton insulating sheath.
In a preferred embodiment, the valve sheet 13 is a zinc oxide valve sheet.
As a preferred embodiment, the housing 2 is a ceramic housing.
To sum up, the utility model provides an arrester with heat dissipation function has following beneficial effect:
on one hand, a heat dissipation structure consisting of a water storage cavity, an exhaust channel and an exhaust hole is arranged in a shell of the lightning arrester, and the heat dissipation structure can assist the shell to dissipate heat when the internal temperature of the lightning arrester is higher, namely when the internal temperature of the lightning arrester is higher, cooling water in the water storage cavity can absorb heat inside the lightning arrester and discharge the absorbed heat from the exhaust hole by virtue of the evaporation effect of the cooling water after absorption;
on the other hand, the exhaust holes in the heat dissipation structure are arranged below the skirt-shaped bulges, and the exhaust holes arranged at the positions are difficult to be blocked by impurities such as dust, bird droppings and the like;
on the other hand, a water replenishing structure consisting of a water storage tank and a water inlet channel is further arranged outside the lightning arrester shell, and the water replenishing structure can collect rainwater so as to replenish cooling water in the water storage cavity;
on the other hand, be provided with seal assembly in this retaining chamber, this seal assembly can be when the water level in the cistern is less than the settlement height, blocks up inhalant canal to can avoid the too fast loss of cooling water in the retaining chamber.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (10)
1. A lightning arrester with a heat dissipation function is characterized by comprising a core body and a shell, wherein an installation cavity is formed in the shell, the core body is fixedly arranged in the installation cavity, a water storage cavity and a plurality of exhaust channels communicated with the water storage cavity are further formed in the shell on the outer side of the installation cavity, and the water storage cavity is used for storing cooling water;
a plurality of skirt-shaped bulges distributed at intervals are formed outside the shell in the length direction, and the bottom of at least one skirt-shaped bulge is provided with an exhaust hole communicated with the exhaust channel.
2. The arrester with the heat dissipation function as claimed in claim 1, wherein a reservoir is formed outside the housing, and a plurality of water inlet channels communicated with the reservoir chamber are formed on a wall of the reservoir.
3. The arrester with the heat dissipation function as claimed in claim 2, further comprising a plurality of sealing assemblies, wherein the sealing assemblies are fixedly arranged in the water storage cavity and are in one-to-one correspondence with the water inlet channels, so as to block the water inlet channels when the water level in the water storage tank is lower than a set height.
4. The arrester with the heat dissipation function as claimed in claim 3, wherein the sealing assembly includes a baffle, an elastic member and a sealing ball, the baffle is fixedly connected to the bottom of the water storage cavity, and the sealing ball is fixedly connected to the baffle through the elastic member so as to abut against the water inlet of the water inlet channel under the elastic force of the elastic member.
5. The arrester with the function of dissipating heat according to claim 4, wherein the elastic member is a compression spring.
6. The arrester with the heat dissipation function according to claim 1, wherein the core includes a first electrode, a second electrode, a plurality of valve plates, a first tapered electrode, a second tapered electrode, a gap ring, and an insulating sheath, and the first electrode, the plurality of valve plates, the first tapered electrode, the gap ring, and the second tapered electrode are sequentially disposed inside the insulating sheath.
7. The arrester with the heat dissipation function as claimed in claim 6, wherein the core further comprises a first conductive bolt and a second conductive bolt, one end of the first conductive bolt is fixedly connected to the first electrode, the other end of the first electrode extends from the top of the housing to the outside of the housing, one end of the second conductive bolt is fixedly connected to the second electrode, and the other end of the second conductive bolt extends from the bottom of the housing to the outside of the housing.
8. The arrester of claim 6 wherein the insulating sheath is a Duliton insulating sheath.
9. A lightning arrester with heat dissipation function as claimed in claim 6, wherein the valve plate is a zinc oxide valve plate.
10. The arrester with the function of dissipating heat according to claim 1, wherein the housing is a ceramic housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221350943.3U CN217507025U (en) | 2022-05-30 | 2022-05-30 | Lightning arrester with heat dissipation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221350943.3U CN217507025U (en) | 2022-05-30 | 2022-05-30 | Lightning arrester with heat dissipation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217507025U true CN217507025U (en) | 2022-09-27 |
Family
ID=83358644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221350943.3U Active CN217507025U (en) | 2022-05-30 | 2022-05-30 | Lightning arrester with heat dissipation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217507025U (en) |
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2022
- 2022-05-30 CN CN202221350943.3U patent/CN217507025U/en active Active
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