CN218770226U - Extension formula ground protection device - Google Patents
Extension formula ground protection device Download PDFInfo
- Publication number
- CN218770226U CN218770226U CN202222906478.3U CN202222906478U CN218770226U CN 218770226 U CN218770226 U CN 218770226U CN 202222906478 U CN202222906478 U CN 202222906478U CN 218770226 U CN218770226 U CN 218770226U
- Authority
- CN
- China
- Prior art keywords
- protection device
- ground
- hole
- insulating casing
- sealing ring
- 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
- 239000011261 inert gas Substances 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 claims description 34
- 238000007789 sealing Methods 0.000 claims description 29
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 239000001307 helium Substances 0.000 claims description 3
- 229910052734 helium Inorganic materials 0.000 claims description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 3
- 229910052704 radon Inorganic materials 0.000 claims description 3
- SYUHGPGVQRZVTB-UHFFFAOYSA-N radon atom Chemical compound [Rn] SYUHGPGVQRZVTB-UHFFFAOYSA-N 0.000 claims description 3
- 239000002184 metal Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The utility model relates to an electric power ground connection protection technical field, in particular to extension formula ground protection device, including insulating casing, first through-hole has been seted up in insulating casing's the outside, fixed mounting has the ground wire in the first through-hole, the second through-hole has been seted up to insulating casing's bottom, fixed mounting has the ground resistance connecting wire in the second through-hole, insulating casing's inside is provided with earth leakage protection device, ground wire and ground resistance connecting wire all with earth leakage protection device electric connection, insulating casing's inside is provided with secondary protection module, secondary protection module wraps up earth leakage protection device, secondary protection module includes first sealed piece, connecting cover and the sealed piece of second, the connecting cover intussuseption is filled with inert gas.
Description
Technical Field
The utility model relates to an electric power ground protection technical field, in particular to extension formula ground protection device.
Background
The protective grounding is grounding for preventing the safety of people and equipment from being endangered by electrification of metal shells of electrical devices, frameworks of power distribution devices, line towers and the like. The protection grounding is a protection wiring mode for reliably connecting an electric appliance metal part (namely a metal structure part insulated from a charged part) which is not charged normally and can be charged after an insulating material is damaged or under other conditions with a grounding body by using a lead.
The ground protection device is a general name of a ground resistor buried underground and a connecting wire from the ground resistor to equipment, the traditional ground protection device is composed of the ground resistor and the connecting wire, and the connecting wire is directly buried underground and is easily corroded to influence the service life, so the ground protection device for protecting the connecting wire is produced at the right moment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an extension formula ground protection device to solve the problem that above-mentioned prior art exists.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides an extension formula ground protection device, includes insulating casing, first through-hole has been seted up in insulating casing's the outside, fixed mounting has the ground wire in the first through-hole, the second through-hole has been seted up to insulating casing's bottom, fixed mounting has the ground resistance connecting wire in the second through-hole, insulating casing's inside is provided with earth leakage protection device, ground wire and ground resistance connecting wire all with earth leakage protection device electric connection, insulating casing's inside is provided with secondary protection module, secondary protection module wraps up earth leakage protection device, secondary protection module includes first sealed piece, connecting cover and the sealed piece of second, the connecting cover intussuseption is filled with inert gas.
In a further embodiment, the first sealing block is provided with a first wire passing hole, the ground wire passes through the first wire passing hole to be connected with one end of the leakage protection device, the second sealing block is provided with a second wire passing hole, the ground resistor connecting wire passes through the second wire passing hole to be connected with the other end of the leakage protection device, the first wire passing hole and the second wire passing hole are respectively provided with a sealing ring, the sealing rings are respectively sleeved on the ground wire and the ground resistor connecting wire, and the sealing rings are respectively fixedly installed in the first wire passing hole and the second wire passing hole through sealing glue.
In a further embodiment, the connecting cover is a double-layer glass cover, the connecting cover comprises an inner layer and an outer layer of a nested structure, the inner layer and the outer layer are both semi-cylindrical glass layers, the axes of the inner layer and the outer layer are consistent, and inert gases are filled in the space between the inner layer and the outer layer.
In a further embodiment, the first sealing block, the second sealing block and the connecting cover are provided with sealing rings at the joints, one layer of the sealing ring close to the joint is provided with a rubber sheet, the two ends of the sealing ring are provided with mounting holes, screws are arranged in the mounting holes, and the screws are used for fixedly connecting the two ends of the sealing ring with the inner bottom of the insulating shell.
In a further embodiment, the inert gas is one or a mixture of argon, helium and radon.
In a further embodiment, the interior of the insulating housing is provided with a ceramic protective layer.
To sum up, the utility model discloses following beneficial effect has:
1. through insulating casing's inside is provided with earth leakage protection device, ground wire and earth resistance connecting wire all with earth leakage protection device electric connection, insulating casing's inside is provided with secondary protection module, secondary protection module wraps up earth leakage protection device, secondary protection module includes first sealed piece, connecting cover and the sealed piece of second, the connecting cover intussuseption is filled with inert gas's setting, and earth leakage protection device prevents that the heavy current from revealing, and secondary protection module utilizes inert gas to avoid the overheated burnout of wire junction to improve safety.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic perspective view of the connection cover according to the present invention.
In the figure, 1, an insulating shell; 2. a first through hole; 3. a second through hole; 4. an earth leakage protection device; 5. a secondary protection module; 51. a first seal block; 52. a connecting cover; 521. an inner layer; 522. an outer layer; 53. a second seal block; 6. and (4) a sealing ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In which like parts are designated by like reference numerals. It should be noted that the terms "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in fig. 1, the terms "bottom" and "top", "inner" and "outer" refer to directions toward and away from a particular component geometry, respectively, and the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present specification, "plurality" means two or more unless the direction of the center is specifically defined otherwise.
Example 1:
as shown in fig. 1-2, an extension-type ground protection device, including insulating casing 1, first through-hole 2 has been seted up in insulating casing 1's the outside, fixed mounting has the ground wire in first through-hole 2, second through-hole 3 has been seted up to insulating casing 1's bottom, fixed mounting has the ground resistance connecting wire in the second through-hole 3, insulating casing 1's inside is provided with earth leakage protection device 4, ground wire and ground resistance connecting wire all with earth leakage protection device 4 electric connection, insulating casing 1's inside is provided with secondary protection module 5, secondary protection module 5 wraps up earth leakage protection device 4, secondary protection module 5 includes first sealed piece 51, connecting cover 52 and second sealed piece 53, the connecting cover 52 intussuseption is filled with inert gas.
Further, first sealed piece 51 has been seted up first line hole of crossing, the ground wire passes first line hole of crossing to be connected with earth leakage protection device 4's one end, the second is seted up to second sealed piece 53 and has been crossed the line hole, the ground resistance connecting wire passes the second and crosses the line hole and be connected with earth leakage protection device 4's the other end, first line hole and second cross the line hole and all be provided with the sealing ring, the sealing ring overlaps respectively to be established on ground wire and ground resistance connecting wire, the sealing ring is through sealed glue respectively fixed mounting cross in line hole and second and cross the line hole.
Further, the connecting cover 52 is a double-layer glass cover, the connecting cover 52 comprises an inner layer 521 and an outer layer 522 of a nested structure, the inner layer 521 and the outer layer 522 are both semi-cylindrical glass layers, the axes of the inner layer 521 and the outer layer 522 are consistent, and the space between the inner layer 521 and the outer layer 522 is filled with inert gas.
Further, the joints of the first sealing block 51, the second sealing block 53 and the connecting cover 52 are provided with sealing rings 6, one layer of the sealing rings 6 close to the joints is provided with rubber sheets, the two ends of each sealing ring 6 are provided with mounting holes, screws are arranged in the mounting holes, and the screws are used for fixedly connecting the two ends of each sealing ring 6 with the inner bottom of the insulating shell 1.
Further, the inert gas is one or a mixture of argon, helium and radon.
Further, a ceramic protective layer is provided inside the insulating housing 1.
In the embodiments of the present disclosure, the terms "mounting," "connecting," "fixing," and the like are used in a broad sense, for example, "connecting" may be a fixed connection, a detachable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the embodiments disclosed in the present invention can be understood by those skilled in the art according to specific situations.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (6)
1. An extended ground protection device, comprising an insulating housing (1), characterized in that: first through-hole (2) have been seted up in the outside of insulating casing (1), fixed mounting has the ground wire in first through-hole (2), second through-hole (3) have been seted up to the bottom of insulating casing (1), fixed mounting has the ground resistance connecting wire in second through-hole (3), the inside of insulating casing (1) is provided with earth leakage protection device (4), ground wire and ground resistance connecting wire all with earth leakage protection device (4) electric connection, the inside of insulating casing (1) is provided with secondary protection module (5), secondary protection module (5) parcel live earth leakage protection device (4), secondary protection module (5) are including first seal block (51), connecting cover (52) and second seal block (53), connecting cover (52) intussuseption is filled with inert gas.
2. An extended ground protection device as claimed in claim 1, wherein: first sealed piece (51) has been seted up first line hole of crossing, the ground wire passes first line hole with the one end of earth leakage protection device (4) is connected, second sealed piece (53) has been seted up the second and has crossed the line hole, the ground resistance connecting wire passes the second cross the line hole with the other end of earth leakage protection device (4) is connected, first line hole and the second of crossing is crossed the line hole and all is provided with the sealing ring, the sealing ring overlaps respectively to be established on ground wire and the ground resistance connecting wire, the sealing ring through sealed glue respectively fixed mounting in first line hole and the second cross the line hole.
3. An extended ground protection device as claimed in claim 1, wherein: the connecting cover (52) is a double-layer glass cover, the connecting cover (52) comprises an inner layer (521) and an outer layer (522) of a nested structure, the inner layer (521) and the outer layer (522) are both semi-cylindrical glass layers, the axes of the inner layer (521) and the outer layer (522) are consistent, and inert gas is filled in the space between the inner layer (521) and the outer layer (522).
4. An extended ground protection device as claimed in claim 1, wherein: first sealed piece (51) and second sealed piece (53) with connecting cover (52) junction all is provided with sealing ring (6), sealing ring (6) are close to the one deck of junction is provided with the sheet rubber, the both ends of sealing ring (6) are provided with the mounting hole, be provided with the screw in the mounting hole, the screw be used for with the both ends of sealing ring (6) with the interior bottom fixed connection of insulating casing (1).
5. An extended ground protection device as claimed in claim 1, wherein: the inert gas is one or a mixture of argon, helium and radon.
6. An extended ground protection device as claimed in claim 1, wherein: and a ceramic protective layer is arranged in the insulating shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222906478.3U CN218770226U (en) | 2022-11-02 | 2022-11-02 | Extension formula ground protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222906478.3U CN218770226U (en) | 2022-11-02 | 2022-11-02 | Extension formula ground protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218770226U true CN218770226U (en) | 2023-03-28 |
Family
ID=85646073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222906478.3U Expired - Fee Related CN218770226U (en) | 2022-11-02 | 2022-11-02 | Extension formula ground protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218770226U (en) |
-
2022
- 2022-11-02 CN CN202222906478.3U patent/CN218770226U/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 |
Granted publication date: 20230328 |