Road lightning protection grounding device

By combining wiring conduits and upstream conduits, the problems of grounding electrode construction depth requirements and connection aging are solved, achieving both stable grounding effect and convenient construction.

CN224021070UActive Publication Date: 2026-03-20GUANGDONG ZHONGYI FOUNDATION ENG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-16
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

The construction process of grounding electrodes is difficult due to its depth requirements, and it is easy for the resistance to be substandard. The connection between the grounding electrode and the grounding wire is also prone to aging and abnormality.

Method used

The system employs a combined structure consisting of a wiring conduit, an upstream conduit, a lower cover, a grounding stake, a filling layer, and a grounding wire. The wiring conduit is used for the main cable, the upstream conduit is used for the sub-cables, the upper end of the grounding stake is located inside the wiring conduit and connected to the grounding wire via a wiring bolt, and the filling layer provides a sealing effect to prevent the grounding stake from exposing the internal environment of the wiring conduit.

Benefits of technology

Without increasing the difficulty of construction, the depth of the grounding stake was increased, reducing the possibility of corrosion between the grounding wire and the grounding stake and improving the reliability of the electrical connection.

✦ Generated by Eureka AI based on patent content.

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Abstract

According to the road lightning protection grounding device, the upper end of a grounding pile is located in a wiring pipeline, the lower end of the grounding pile penetrates out of a lower cover, and a filling layer is located in a lower mounting base and fills the space between the grounding pile and the lower mounting base; and the grounding wire penetrates from the upper end of the ascending pipeline and is connected to the grounding pile. According to the road lightning protection grounding device provided by the utility model, the wiring pipeline is used for penetration of an external main cable, the uplink pipeline is used for penetration of an external sub-cable, the upper end of the grounding pile is located in the wiring pipeline, the lower end of the grounding pile penetrates out of the lower cover, and the filling layer is located in the lower mounting seat and fills the space between the grounding pile and the lower mounting seat to provide a sealing effect. Exposure of the internal environment of the wiring pipeline due to arrangement of the grounding pile is avoided; the arrangement depth of the wiring pipeline is utilized, and the arrangement depth of the grounding pile is increased while the construction difficulty is not increased; the grounding wire penetrates from the upper end of the ascending pipeline and is connected to the grounding pile; the electrical connection between the grounding wire and the grounding pile is environment-friendly, and the possibility of electrical property deterioration caused by corrosion is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a lightning protection structure field, especially a road lightning protection grounding device. BACKGROUND

[0002] The road lightning protection grounding device is a device for protecting higher facilities (such as street lamps, traffic signal lights, monitoring equipment, etc.) on the road from lightning damage, belonging to the electrical engineering and lightning protection technical field. Its main function is to safely guide lightning current into the ground to avoid damage to road facilities or safety accidents caused by lightning. Electrical equipment or lightning protection devices are connected to the ground to ensure that the current can be safely discharged. The grounding system is usually composed of grounding bodies (grounding electrodes) and grounding wires. The captured lightning current is guided into the grounding body through the grounding wire, and the grounding body disperses the lightning current into the ground, thereby avoiding damage to the road facilities by the lightning current. The grounding resistance of the grounding device should be as low as possible, generally less than 10 ohms, to ensure that the lightning current can be quickly released into the ground. The grounding body usually uses corrosion-resistant materials such as galvanized steel, copper-clad steel or graphite grounding modules to prolong the service life.

[0003] The construction process of the grounding body has depth requirements, and the construction has certain difficulties, and the resistance may not meet the standard. The connection between the grounding body and the grounding wire is usually welded or bolted, which is prone to aging abnormalities. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a road lightning protection grounding device, which aims to solve the problems of difficult construction process of the grounding body with depth requirements, easy occurrence of non-standard resistance, and easy occurrence of aging abnormalities in the connection between the grounding body and the grounding wire.

[0005] In order to achieve the above purpose, the utility model provides a road lightning protection grounding device corresponding to a plurality of street lamps on the road, which are connected by a main cable. The street lamps are connected to the main cable by a sub-cable. The road lightning protection grounding device comprises:

[0006] A wiring conduit, the upper surface of which is provided with a plurality of upper mounting seats in the length direction, and the lower surface of which is provided with a plurality of lower mounting seats in the length direction. The upper mounting seats and the lower mounting seats are connected to the inside of the wiring conduit and are oppositely arranged. The wiring conduit is used for the external main cable.

[0007] An uplink conduit connected to the upper mounting seat and extending upward as a whole, wherein the uplink conduit is used for the external sub-cable.

[0008] A lower cover connected to the lower mounting seat.

[0009] A grounding pile, the upper end of which is located in the wiring conduit and the lower end of which is exposed from the lower cover, the upper end of the grounding pile being connected with a wiring bolt;

[0010] A filling layer, which fills the space between the grounding pile and the lower mounting seat in the lower mounting seat;

[0011] A grounding wire, which is inserted from the upper end of the uplink conduit, the grounding wire being connected to the grounding pile through the wiring bolt.

[0012] Further, the grounding pile extends to the position of the upper mounting seat.

[0013] Further, a conductive plate is arranged corresponding to the grounding pile, the conductive plate connecting adjacent two grounding piles.

[0014] Further, the uplink conduit as a whole has a tendency to extend to the side of the wiring conduit.

[0015] Further, an inspection pipe is led upward at the position corresponding to the upper mounting seat on the uplink conduit.

[0016] Further, the uplink conduit extends to the side of the wiring conduit after extending upward from the upper mounting seat, and then extends upward again.

[0017] Further, an upper cover is detachably arranged corresponding to the free end of the upper part of the uplink conduit.

[0018] Further, a flange connection is formed between the uplink conduit and the upper mounting seat, and a flange connection is formed between the lower cover and the lower mounting seat.

[0019] Further, the wiring conduit is of a polymer corrugated pipe type.

[0020] Further, the filling layer is of a cement material.

[0021] The road lightning protection grounding device provided by the utility model, the wiring conduit is used for externally arranging the main cable, the uplink conduit is used for externally arranging the sub-cable, and the lower cover is connected with the lower mounting seat; the upper end of the grounding pile is located in the wiring conduit and the lower end is exposed from the lower cover, the filling layer fills the space between the grounding pile and the lower mounting seat in the lower mounting seat to provide a sealing effect, and the arrangement of the grounding pile avoids exposing the internal environment of the wiring conduit; the arrangement depth of the wiring conduit is utilized, the construction difficulty is not increased, and the arrangement depth of the grounding pile is deepened; the grounding wire is inserted from the upper end of the uplink conduit and connected to the grounding pile; the electrical connection environment between the grounding wire and the grounding pile is friendly to the environment, and the possibility of corrosion and electrical performance deterioration is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1is a schematic diagram of a first embodiment of the road lightning protection grounding device of the utility model;

[0023] Fig. 2 is a sectional view of the first embodiment of the road lightning protection grounding device of the utility model;

[0024] Fig. 3 is a schematic diagram of a second embodiment of the road lightning protection grounding device of the utility model;

[0025] Fig. 4 is a sectional view of the second embodiment of the road lightning protection grounding device of the utility model;

[0026] Fig. 5 is a schematic diagram of a third embodiment of the road lightning protection grounding device of the utility model.

[0027] The utility model realizes the purpose, functional characteristics and advantages, which will be further explained in combination with embodiments and with reference to the drawings. DETAILED DESCRIPTION

[0028] It should be understood that the specific embodiments described herein are merely intended to explain the utility model, and are not intended to limit the utility model.

[0029] Those skilled in the art can understand that, unless specifically stated, the singular forms "a", "an" and "the" used herein also include the plural forms. It should be further understood that the phrase "comprising" used in the specification of the utility model means that the features, integers, steps, operations, elements, units, modules and / or components exist, but does not exclude the existence or addition of one or more other features, integers, steps, operations, elements, units, modules, components and / or their combinations. It should be understood that when we say that an element is "connected" or "coupled" to another element, it can be directly connected or coupled to the other element, or there can be an intermediate element. In addition, "connected" or "coupled" used herein can include wireless connection or wireless coupling. The phrase "and / or" used herein includes all or any unit and all combinations of the associated listed items.

[0030] Those skilled in the art can understand that, unless otherwise defined, all terms (including technical terms and scientific terms) used herein have the same meaning as that generally understood by those skilled in the art to which the utility model belongs. It should also be understood that terms such as those defined in general dictionaries should be understood as having meanings consistent with those in the prior art, and unless specifically defined as here, should not be interpreted in an idealized or overly formal sense.

[0031] Reference Figs. 1 to 5The utility model discloses an embodiment of a road lightning protection grounding device is provided with a plurality of street lamps on the road, and the plurality of street lamps are connected through a main cable 001, the street lamp is connected to the main cable 001 through a sub cable 002, and the road lightning protection grounding device comprises:

[0032] The wiring duct 100 is provided with a plurality of upper mounting seats 110 on the upper outer surface in the length direction, and the wiring duct 100 is provided with a plurality of lower mounting seats 120 on the lower outer surface in the length direction, the upper mounting seat 110 and the lower mounting seat 120 are oppositely arranged and lead to the inside of the wiring duct 100, and the wiring duct 100 is used for the main cable 001 outside;

[0033] The uplink duct 200 is connected with the upper mounting seat 110 and extends upward as a whole, and the uplink duct 200 is used for the sub cable 002 outside;

[0034] The lower cover 300 is connected with the lower mounting seat 120;

[0035] The grounding pile 400 is located in the wiring duct 100 at the upper end and penetrates out of the lower cover 300 at the lower end, and the grounding pile 400 is connected with a wiring bolt 410 at the upper end;

[0036] The filling layer 500 fills the space between the grounding pile 400 and the lower mounting seat 120 in the lower mounting seat 120;

[0037] The grounding wire 600 penetrates into the uplink duct 200 from the upper end, and the grounding wire 600 is connected to the grounding pile 400 through the wiring bolt 410.

[0038] In the prior art, the construction process of the grounding body has depth requirements, and the construction has certain difficulties, and the resistance is prone to be substandard; the connection mode of the grounding body and the grounding wire is usually welding or bolt connection, and the aging anomaly is prone to occur.

[0039] The road lightning protection grounding device provided by the utility model is provided with a plurality of street lamps on the road, and the plurality of street lamps are connected through a main cable 001. The street lamp is connected to the main cable 001 through a sub cable 002. The main cable 001 is a line system arranged along the road, and the sub cable 002 integrates the street lamp into the main cable 001.

[0040] The road lightning protection grounding device comprises:

[0041] The upper surface of the wiring conduit 100 is provided with a plurality of upper mounting seats 110 in the length direction. The lower surface of the wiring conduit 100 is provided with a plurality of lower mounting seats 120 in the length direction. The wiring conduit 100, the upper mounting seats 110 and the lower mounting seats 120 are preferably integrally formed. The upper mounting seats 110 and the lower mounting seats 120 are in communication with the interior of the wiring conduit 100 and are oppositely arranged. The wiring conduit 100 is used for the external main cable 001 to pass through, and the wiring conduit 100 protects the main cable 001 in the length direction of the road.

[0042] The uplink conduit 200 is connected to the upper mounting seat 110 and extends upward as a whole. The uplink conduit 200 is used for the external sub-cable 002 to pass through. The uplink conduit 200 is preferably arranged corresponding to one street lamp. The upper end corresponding to the uplink conduit 200 can be provided with an upper cover 220. The upper cover 220 realizes the closure of the corresponding uplink conduit 200, and the above closure is reflected in the pre-buried stage and the use stage. The connection mode between the uplink conduit 200 and the upper mounting seat 110 can be heat melting, flange, buckle or thread, etc.

[0043] The lower cover 300 is connected to the lower mounting seat 120. The connection mode between the lower cover 300 and the lower mounting seat 120 can be heat melting, flange, buckle or thread, etc.

[0044] The grounding pile 400 has its upper end located in the wiring conduit 100 and its lower end passing out of the lower cover 300. The grounding pile 400 realizes the function of the grounding body, which can be a conductor in the shape of a bend (similar to an angle steel), so as to have strength while realizing the grounding effect. The grounding pile 400 is connected with a wiring bolt 410 at its upper end, which provides a basis for the connection of the grounding wire 600.

[0045] The filling layer 500 is arranged in the lower mounting seat 120 to fill the space between the grounding pile 400 and the lower mounting seat 120. The filling layer 500 provides a sealing effect to avoid the setting of the grounding pile 400 to expose the internal environment of the wiring conduit 100.

[0046] The grounding wire 600 passes into the upper end of the uplink conduit 200. The grounding wire 600 is connected to the grounding pile 400 through the wiring bolt 410. The grounding wire 600 is not limited to be in the shape of a cable, but can also be in the shape of a profile, such as a conductive rod.

[0047] In summary, the wiring conduit 100 is used for the external main cable 001 to pass through, the uplink conduit 200 is used for the external sub-cable 002 to pass through, the lower cover 300 is connected with the lower mounting base 120; the grounding pile 400 has its upper end in the wiring conduit 100 and its lower end out of the lower cover 300, the filling layer 500 is in the lower mounting base 120 and fills the space between the grounding pile 400 and the lower mounting base 120 to provide a sealing effect, avoiding the setting of the grounding pile 400 to expose the internal environment of the wiring conduit 100; the setting depth of the grounding pile 400 is deepened without increasing the construction difficulty by using the setting depth of the wiring conduit 100; the grounding wire 600 is connected to the grounding pile 400 by passing into the upper end of the uplink conduit 200; the electrical connection between the grounding wire 600 and the grounding pile 400 is environmentally friendly, and the possibility of corrosion and deterioration of electrical performance is reduced.

[0048] With reference to Figs. 1 to 2 In one embodiment, the grounding pile 400 extends to the position of the upper mounting base 110.

[0049] In this embodiment, the grounding pile 400 extends to the position of the upper mounting base 110, and the upper end of the grounding pile 400 is higher, so that the connection process of the grounding pile 400 and the grounding wire is more convenient.

[0050] In one embodiment, a conductive plate is arranged corresponding to the grounding pile 400, and the conductive plate connects adjacent two grounding piles 400.

[0051] In this embodiment, the electrical connection of multiple grounding piles 400 is realized by the grounding pile 400, so as to guarantee the grounding effect, and in some high-risk use scenarios with frequent lightning, multiple conductive plates can be introduced to form electrical connection of multiple grounding piles 400 arranged on the wiring conduit 100.

[0052] With reference to Figs. 1 to 2 In one embodiment, the uplink conduit 200 has a tendency to extend to the side of the wiring conduit 100 as a whole.

[0053] In this embodiment, the upper end of the uplink conduit 200 is directly extended to a suitable working position to provide convenience for the later passing of the sub-cable 002, and the uplink conduit 200 has a tendency to extend to the side as a whole, so that the influence of the wiring conduit 100 on road construction is reduced, and the size of the side extension should not be too large, otherwise the construction difficulty is increased, and generally within two meters is appropriate.

[0054] With reference to Fig. 5 In one embodiment, the uplink conduit 200 has an inspection pipe 210 upwardly led out at a position corresponding to the upper mounting base 110.

[0055] In the embodiment, considering that the uplink pipeline 200 is connected to the side as a whole, it is inconvenient to check and install from the upper free end of the uplink pipeline 200, and therefore an inspection pipe 210 is arranged on the uplink pipeline 200 corresponding to the upper mounting seat 110, and the installation and maintenance process is completed through the inspection pipe 210. It should be noted that the upper end of the inspection pipe 210 needs to be sealed to avoid rainwater or foreign matter from entering.

[0056] Referring to Figs. 1 to 2 In one embodiment, the uplink pipeline 200 extends upward from the upper mounting seat 110, then extends to the side of the wiring pipeline 100, and then extends upward again.

[0057] In the embodiment, the shape of the uplink pipeline 200 is simply set to meet the requirements of lateral extension and upward extension.

[0058] Referring to Figs. 1 to 2 In one embodiment, an upper cover 220 is detachably arranged corresponding to the upper free end of the uplink pipeline 200.

[0059] In the embodiment, the upper cover 220 is used to close the uplink pipeline 200, and the closure is reflected in the pre-buried stage and the use stage. For example, in the pre-buried stage, after the wiring pipeline 100 and the uplink pipeline 200 are installed, the whole structure is closed by the upper cover 220 to avoid foreign matter falling into it; in the use stage, after the sub-cable 002 (power line, signal line and ground line, etc.) passes through the upper cover 220 (according to the need, a hole is opened on the upper cover 220), it enters the appropriate position of the wiring pipeline 100, and at the same time, the sealing between the upper cover 220 and the sub-cable 002 is good.

[0060] Referring to Figs. 1 to 2 In one embodiment, the uplink pipeline 200 and the upper mounting seat 110 form a flange connection, and the lower cover 300 and the lower mounting seat 120 form a flange connection.

[0061] In the embodiment, the flange connection is used to facilitate the connection. Taking the uplink pipeline 200 and the upper mounting seat 110 as an example, flanges are arranged on the uplink pipeline 200 and the upper mounting seat 110, so that the connection can be achieved.

[0062] In one embodiment, the wiring pipeline 100 is a polymer corrugated pipe type.

[0063] In the embodiment, the wiring pipeline 100 is limited to the polymer corrugated pipe type, which provides certain structural strength while ensuring its bending characteristics, so that the installation process of the whole system is facilitated.

[0064] In one embodiment, the filling layer 500 is cement material.

[0065] In the embodiment, the filling layer 500 is defined as cement material, which is convenient for mixing on the construction site and can achieve the waterproof effect.

[0066] In summary, the road lightning protection grounding device provided by the utility model, the wiring pipe 100 is used for the external main cable 001 to pass through, the uplink pipe 200 is used for the external sub cable 002 to pass through, the lower cover 300 is connected with the lower mounting seat 120; the upper end of the grounding pile 400 is located in the wiring pipe 100 and the lower end is exposed to the lower cover 300, the filling layer 500 is in the lower mounting seat 120 and fills the space between the grounding pile 400 and the lower mounting seat 120 to provide a sealing effect, avoiding the setting of the grounding pile 400 to expose the internal environment of the wiring pipe 100; the setting depth of the grounding pile 400 is deepened without increasing the construction difficulty by using the setting depth of the wiring pipe 100; the grounding wire 600 is connected to the grounding pile 400 by penetrating from the upper end of the uplink pipe 200; the electrical connection between the grounding wire 600 and the grounding pile 400 is environmentally friendly, and the possibility of corrosion and electrical performance deterioration is reduced.

[0067] The above is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation according to the content of the utility model specification and drawings or direct or indirect application in other related technical fields is also included in the patent protection range of the utility model.

Claims

1. A road lightning protection grounding device, configured for multiple streetlights on a road, wherein the multiple streetlights are connected via a main cable (001), and the streetlights are connected to the main cable (001) via sub-cables (002), characterized in that, The road lightning protection grounding device includes: The wiring conduit (100) has multiple upper mounting seats (110) on its upper outer surface along its length, and multiple lower mounting seats (120) on its lower outer surface along its length. The upper mounting seats (110) and the lower mounting seats (120) are connected to the interior of the wiring conduit (100) and are arranged opposite to each other. The wiring conduit (100) is used for the external main cable (001) to pass through. An upward conduit (200) is connected to the upper mounting base (110) and extends upward as a whole, wherein the upward conduit (200) is used for the external sub-cable (002) to pass through; The lower cover (300) is connected to the lower mounting base (120); The grounding stake (400) has its upper end located inside the wiring conduit (100) and its lower end protruding from the lower cover (300). A wiring bolt (410) is connected to the upper end of the grounding stake (400). A filling layer (500) is provided within the lower mounting base (120) to fill the space between the grounding stake (400) and the lower mounting base (120); A grounding wire (600) is inserted from the upper end of the upstream pipe (200), and the grounding wire (600) is connected to the grounding stake (400) through the wiring bolt (410).

2. The road lightning protection grounding device according to claim 1, characterized in that, The grounding stake (400) extends to the position of the upper mounting base (110).

3. The road lightning protection grounding device according to claim 2, characterized in that, A conductive plate is provided corresponding to each grounding stake (400), and the conductive plate connects two adjacent grounding stakes (400).

4. The road lightning protection grounding device according to claim 1, characterized in that, The upward conduit (200) generally tends to extend to the side of the wiring conduit (100).

5. The road lightning protection grounding device according to claim 1, characterized in that, An inspection tube (210) extends upward from the upper pipe (200) at the position corresponding to the upper mounting base (110).

6. The road lightning protection grounding device according to claim 5, characterized in that, The upward conduit (200) extends upward from the upper mounting base (110), then extends to the side of the wiring conduit (100), and then extends upward again.

7. The road lightning protection grounding device according to claim 1, characterized in that, A cover (220) is detachably provided at the free end of the upper part of the upper part of the upward pipe (200).

8. The road lightning protection grounding device according to claim 1, characterized in that, A flange connection is formed between the upper pipe (200) and the upper mounting base (110), and a flange connection is formed between the lower cover (300) and the lower mounting base (120).

9. The road lightning protection grounding device according to any one of claims 1 to 8, characterized in that, The wiring conduit (100) is a polymer corrugated pipe type.

10. The road lightning protection grounding device according to any one of claims 1 to 8, characterized in that, The filling layer (500) is made of cement.