CN216121795U - Lightning overvoltage protection device for multifunctional intelligent rod - Google Patents
Lightning overvoltage protection device for multifunctional intelligent rod Download PDFInfo
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- CN216121795U CN216121795U CN202122518681.9U CN202122518681U CN216121795U CN 216121795 U CN216121795 U CN 216121795U CN 202122518681 U CN202122518681 U CN 202122518681U CN 216121795 U CN216121795 U CN 216121795U
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Abstract
The utility model relates to a lightning overvoltage protection device for a multifunctional intelligent pole, which comprises: the power supply and distribution system overvoltage protection device, the antenna feeder system overvoltage protection device, the signal system overvoltage protection device, the equipment comprehensive grounding protection device and the grounding device; the power supply and distribution system overvoltage protection device is connected with a power supply and distribution system of the multifunctional intelligent pole and is used for performing overvoltage protection on the power supply and distribution system; the antenna feeder system overvoltage protection device and the signal system overvoltage protection device are connected with an antenna feeder system and a signal system in the multifunctional intelligent rod and are used for performing overvoltage protection on the antenna feeder system and the signal system; the equipment comprehensive grounding protection device is used for comprehensively grounding and protecting each piece of equipment on the multifunctional intelligent pole; the grounding device is connected with each protection device to provide a discharge path for lightning current. The utility model can be widely applied to the technical field of lightning overvoltage protection of multifunctional intelligent rods.
Description
Technical Field
The utility model relates to a lightning overvoltage protection device for a multifunctional intelligent rod, and belongs to the technical field of lightning protection.
Background
With the rapid development of new-generation information technologies such as internet of things, next-generation internet, cloud computing and the like being widely applied, smart cities become a necessary trend for social development. In recent years, the construction of smart cities is new, and the construction of smart cities is actively proceeding nationwide.
The multifunctional intelligent pole is an indispensable product for building intelligent city concepts. The smart city system building platform is complex, the number of city street lamps is large, the smart city system building platform is the most dense infrastructure of a city, information collection management and release are convenient, and the multifunctional smart pole is the best foothold.
In general multi-functional smart pole in-service construction use, because the numerous and power consumption voltage of carry equipment kind is different, cause all kinds of power adapter more, and current multi-functional smart pole product function is comparatively single, functions such as do not have detection, lightning protection, have brought the hidden danger for the safe operation of multi-functional smart pole.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a lightning overvoltage protection device for a multifunctional intelligent pole, which can effectively ensure the safe operation of the multifunctional intelligent pole under the condition of lightning strike.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a lightning overvoltage protection device for a multifunctional smart pole, comprising:
the power supply and distribution system overvoltage protection device, the antenna feeder system overvoltage protection device, the signal system overvoltage protection device, the equipment comprehensive grounding protection device and the grounding device;
the power supply and distribution system overvoltage protection device is connected with a power supply and distribution system of the multifunctional intelligent pole and is used for performing overvoltage protection on the power supply and distribution system;
the antenna feeder system overvoltage protection device and the signal system overvoltage protection device are connected with an antenna feeder system and a signal system in the multifunctional intelligent rod and are used for performing overvoltage protection on the antenna feeder system and the signal system;
the equipment comprehensive grounding protection device is used for comprehensively grounding and protecting each piece of equipment on the multifunctional intelligent pole;
the grounding device is connected with the power supply and distribution system overvoltage protection device, the antenna feeder system overvoltage protection device, the signal system overvoltage protection device and the equipment comprehensive grounding protection device, and provides a discharge path for lightning current.
Preferably, the overvoltage protection device of the power supply and distribution system comprises a power supply SPD and overload protection;
the overload protection is respectively connected with the power supply and distribution system and the equipment;
a first port of the power supply SPD is respectively connected with the power supply and distribution system and a cable connecting line between the overload protection devices, and a second port of the power supply SPD is respectively connected with the cable connecting line between the power supply and distribution system and the equipment; and a third port of the power supply SPD is connected with the grounding device.
Preferably, the signal system overvoltage protection device comprises a signal SPD, a first port of the signal SPD is connected to the signal system and the device, respectively, and a second port of the signal SPD is connected to a grounding device.
Preferably, a first port of the signal SPD is connected to the antenna feed system and the device, respectively, and a second port of the signal SPD is connected to the grounding device.
Preferably, the equipment comprehensive grounding protection device comprises an equipment protection grounding wire and an equipment working grounding wire, the equipment protection grounding wire is respectively connected with the equipment protection grounding and the grounding device, and the equipment working grounding wire is respectively connected with the equipment working grounding and the grounding device.
Preferably, the grounding device comprises a grounding bar and a grounding grid; one end of the grounding bar is respectively connected with the power supply and distribution system overvoltage protection device, the antenna feeder system overvoltage protection device, the signal system overvoltage protection device and the equipment comprehensive grounding protection device, and the other end of the grounding bar is connected with the grounding grid.
Preferably, the ground bars comprise a lightning protection ground bar and a joint ground bar; one end of the lightning protection grounding bar is respectively connected with the power supply and distribution system overvoltage protection device, the antenna feeder system overvoltage protection device and the signal system overvoltage protection device, and one end of the combined grounding bar is connected with the equipment comprehensive grounding protection device; and the other ends of the lightning protection grounding bar and the combined grounding bar are connected with the ground screen.
Preferably, the lightning protection ground bar and the associated ground bar have a ground point distance greater than 5 m.
Preferably, the lightning protection grounding bar is further connected with a metal protection layer of a power cable entering the power supply and distribution system outdoors, a signal cable shielding layer accessing the signal system or the antenna feed system outdoors and an optical cable reinforcing core.
Preferably, the ground net is any one of a combined ground net formed by a horizontal grounding body and foundation steel bars of the multifunctional intelligent rod, and a combined ground net formed by equipotential connection of the foundation steel bars of the multifunctional intelligent rod and buried metal pipelines with grounding conditions, and metal facilities of buildings or structures.
Due to the adoption of the technical scheme, the utility model has the following advantages:
1. the overvoltage protection devices are arranged in the power supply and distribution system, the antenna feeder system and the signal system, so that lightning overvoltage protection can be performed on all systems in the multifunctional intelligent pole, and the operation safety of the multifunctional intelligent pole is ensured.
2. The utility model separates the overvoltage protection of the power supply and distribution system, the antenna feeder system and the signal system from the comprehensive grounding protection of the equipment, so that the lightning current is isolated from the equipment protection grounding of the multifunctional intelligent pole equipment and the equipment working grounding, and the operation safety of the multifunctional intelligent pole is further ensured.
Therefore, the utility model can be widely applied to the technical field of lightning overvoltage protection of multifunctional intelligent rods.
Drawings
FIG. 1 is a schematic diagram of a lightning overvoltage protection structure of a power supply and distribution system provided by an embodiment of the utility model;
FIG. 2 is a schematic diagram of an antenna feeder and signal system lightning overvoltage protection structure provided by an embodiment of the utility model;
the components in the figure are as follows:
11. a power supply SPD; 12. overload protection; 13. a power supply and distribution system; 14. equipment; 21. a signal SPD; 22. a signaling system; 31. an equipment protection grounding wire; 32. the equipment work grounding wire; 41. a ground bar; 42. a ground net; 43. lightning protection grounding bars; 44. a combined ground bar; 45. a metal protective layer of a power cable is entered outdoors; 46. and a signal cable shielding layer and an optical cable reinforcing core of an outdoor access signal system or an antenna feed system.
Detailed Description
The utility model is described in detail below with reference to the figures and examples.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the system or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "assembled", "disposed" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, an embodiment of the present invention provides a lightning overvoltage protection device for a multifunctional smart pole, which includes: the power supply and distribution system overvoltage protection device, the antenna feeder system overvoltage protection device (not shown in the figure), the signal system overvoltage protection device, the equipment comprehensive grounding protection device and the grounding device. The overvoltage protection device of the power supply and distribution system is connected with the power supply and distribution system of the multifunctional intelligent pole and used for performing overvoltage protection on the power supply and distribution system; the antenna feeder system overvoltage protection device and the signal system overvoltage protection device are connected with an antenna feeder system and a signal system in the multifunctional intelligent rod and are used for performing overvoltage protection on the antenna feeder system and the signal system; the equipment comprehensive grounding protection device is used for comprehensively grounding and protecting each piece of equipment on the multifunctional intelligent pole; the grounding device is connected with the power supply and distribution system overvoltage protection device, the antenna feeder system overvoltage protection device, the signal system overvoltage protection device and the equipment comprehensive grounding protection device, and provides a discharge path for lightning current.
Preferably, as shown in fig. 1, the overvoltage protection device for power supply and distribution systems includes a power supply SPD 11 and an overload protection 12. Wherein, the overload protection 12 is respectively connected with the power supply and distribution system 13 and the equipment 14; a first port of the power supply SPD 11 is respectively connected with a cable connecting line between the power supply and distribution system 13 and the overload protection 12, and a second port of the power supply SPD 11 is respectively connected with a cable connecting line between the power supply and distribution system 12 and the equipment 14; a third port of the power supply SPD 11 is connected to a ground.
Preferably, the signal system overvoltage protection device comprises a signal SPD 21, a first port of the signal SPD 21 being connected to the signal system 22 and the device 14, respectively, and a second port of the signal SPD 21 being connected to a grounding device.
Preferably, the overvoltage protection device of the antenna feed system and the overvoltage protection device of the signal system are similar in structure and are not described in detail herein.
Preferably, the equipment integrated ground protection device 3 comprises an equipment protection ground wire 31 and an equipment working ground wire 32, the equipment protection ground wire 31 is respectively connected with the equipment protection ground and the equipment working ground wire 32 is respectively connected with the equipment working ground and the equipment working ground.
Preferably, the grounding means comprises a grounding bar 41 and a counterpoise 42. One end of the grounding bar 41 is respectively connected with an overvoltage protection device of a power supply and distribution system, an overvoltage protection device of an antenna feeder system, an overvoltage protection device of a signal system and an integrated grounding protection device of equipment; the other end of the ground bar 41 is connected to a ground screen 42.
Preferably, the ground bar 41 includes a lightning protection ground bar 43 and a joint ground bar 44; one end of the lightning protection grounding bar 43 is respectively connected with a power supply SPD 11 in the overvoltage protection device of the power supply and distribution system, an overvoltage protection device of the antenna feed system and a signal SPD 21 in the overvoltage protection device of the signal system; one end of the joint grounding bar 44 is connected with the equipment protection grounding wire 31 and the equipment working grounding wire 32 in the equipment comprehensive grounding protection device; the other ends of the lightning protection ground bar 43 and the joint ground bar 44 are connected to the ground grid 42.
Preferably, the lightning protection ground bar 43 and the associated ground bar 44 have a ground point distance greater than 5 m.
The lightning protection ground strip 43 is also preferably connected to a metal shield 45 of a power cable entering the power distribution system 13 outdoors, a signal cable shield of the signal system 22 entering outdoors or an antenna feed system, and a cable strength member 46.
Preferably, the ground net 42 may be one of a ground net laid according to GB 50689-2011 standard, a combined ground net formed by a horizontal grounding body and a foundation steel bar of the multifunctional intelligent pole, and a combined ground net formed by equipotential connection of the foundation steel bar of the multifunctional intelligent pole and a nearby metal facility such as a buried metal pipeline, a building or a structure having a grounding condition.
The above embodiments are only used for illustrating the present invention, and the structure, connection mode and the like of each component can be changed, and all equivalent changes and improvements made on the basis of the technical scheme of the present invention should not be excluded from the protection scope of the present invention.
Claims (10)
1. A lightning overvoltage protection device for a multifunctional smart pole, comprising:
the power supply and distribution system overvoltage protection device, the antenna feeder system overvoltage protection device, the signal system overvoltage protection device, the equipment comprehensive grounding protection device and the grounding device;
the power supply and distribution system overvoltage protection device is connected with a power supply and distribution system of the multifunctional intelligent pole and is used for performing overvoltage protection on the power supply and distribution system;
the antenna feeder system overvoltage protection device and the signal system overvoltage protection device are connected with an antenna feeder system and a signal system in the multifunctional intelligent rod and are used for performing overvoltage protection on the antenna feeder system and the signal system;
the equipment comprehensive grounding protection device is used for comprehensively grounding and protecting each piece of equipment on the multifunctional intelligent pole;
the grounding device is connected with the power supply and distribution system overvoltage protection device, the antenna feeder system overvoltage protection device, the signal system overvoltage protection device and the equipment comprehensive grounding protection device, and provides a discharge path for lightning current.
2. The lightning overvoltage protection device for a multifunctional smart pole of claim 1, wherein the power supply and distribution system overvoltage protection device comprises a power supply SPD and an overload protection;
the overload protection is respectively connected with the power supply and distribution system and the equipment;
a first port of the power supply SPD is respectively connected with the power supply and distribution system and a cable connecting line between the overload protection devices, and a second port of the power supply SPD is respectively connected with the cable connecting line between the power supply and distribution system and the equipment; and a third port of the power supply SPD is connected with the grounding device.
3. The lightning overvoltage protection device for a multifunctional smart pole of claim 1, wherein the signal system overvoltage protection device comprises a signal SPD, a first port of the signal SPD is connected to the signal system and the equipment, respectively, and a second port of the signal SPD is connected to a grounding device.
4. The lightning overvoltage protection device for a multifunctional smart pole according to claim 1, wherein said antenna feeder system overvoltage protection device signal SPD has a first port connected to said antenna feeder system and equipment, respectively, and a second port connected to a ground.
5. The lightning overvoltage protection device for a multifunctional smart pole of claim 1, wherein the equipment integrated ground protection device comprises an equipment protection ground and an equipment working ground, the equipment protection ground is connected to the equipment protection ground and the equipment working ground, and the equipment working ground is connected to the equipment working ground and the equipment working ground.
6. The lightning overvoltage protection device for a multifunctional smart pole of claim 1, wherein the grounding means comprises a ground bar and a ground screen; one end of the grounding bar is respectively connected with the power supply and distribution system overvoltage protection device, the antenna feeder system overvoltage protection device, the signal system overvoltage protection device and the equipment comprehensive grounding protection device, and the other end of the grounding bar is connected with the grounding grid.
7. The lightning overvoltage protection device for a multifunctional smart pole of claim 6, wherein the ground bar comprises a lightning protection ground bar and a corporate ground bar; one end of the lightning protection grounding bar is respectively connected with the power supply and distribution system overvoltage protection device, the antenna feeder system overvoltage protection device and the signal system overvoltage protection device, and one end of the combined grounding bar is connected with the equipment comprehensive grounding protection device; and the other ends of the lightning protection grounding bar and the combined grounding bar are connected with the ground screen.
8. The lightning overvoltage protection device for a multifunctional smart pole of claim 7, wherein the distance between the grounding points of the lightning protection grounding bar and the associated grounding bar is greater than 5 m.
9. The lightning overvoltage protection device for the multifunctional intelligent pole as recited in claim 7, wherein the lightning protection ground strip is further connected with a metal protection layer of a power cable which enters the power supply and distribution system outdoors, a signal cable shielding layer which accesses the signal system or the antenna feeder system outdoors and a cable reinforcing core.
10. The lightning overvoltage protection device of claim 6, wherein the ground net is any one of a united ground net consisting of a horizontal ground body and foundation reinforcement of the multifunctional intelligent pole, and a united ground net consisting of the foundation reinforcement of the multifunctional intelligent pole and an equipotential connection of a buried metal pipeline having a ground condition, a building or a construction metal facility.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122518681.9U CN216121795U (en) | 2021-10-20 | 2021-10-20 | Lightning overvoltage protection device for multifunctional intelligent rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122518681.9U CN216121795U (en) | 2021-10-20 | 2021-10-20 | Lightning overvoltage protection device for multifunctional intelligent rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216121795U true CN216121795U (en) | 2022-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122518681.9U Active CN216121795U (en) | 2021-10-20 | 2021-10-20 | Lightning overvoltage protection device for multifunctional intelligent rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216121795U (en) |
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2021
- 2021-10-20 CN CN202122518681.9U patent/CN216121795U/en active Active
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