CN216774284U - Cable terminating lightning protection cabinet - Google Patents
Cable terminating lightning protection cabinet Download PDFInfo
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- CN216774284U CN216774284U CN202123037461.0U CN202123037461U CN216774284U CN 216774284 U CN216774284 U CN 216774284U CN 202123037461 U CN202123037461 U CN 202123037461U CN 216774284 U CN216774284 U CN 216774284U
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- lightning protection
- grounding copper
- cable
- cabinet body
- grounding
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Abstract
The utility model belongs to the technical field of signal lightning protection, and relates to a cable terminating lightning protection cabinet, which comprises: the lightning protection device comprises a cabinet body, a lightning protection module, a first grounding copper strip, a collector and an end forming chamber; the cabinet body is used for placing the lightning protection module, the first grounding copper strip, the collector and the terminating chamber; the lightning protection modules are arranged at the upper part of the cabinet body and are arranged in an array manner; the first grounding copper strips comprise transverse grounding copper strips and longitudinal grounding copper strips, the transverse grounding copper strips are arranged at the top and the bottom of the lightning protection module and between the lightning protection modules in each row, and the longitudinal grounding copper strips are arranged on one side of the lightning protection modules in each row; the collector is arranged below the lightning protection module and used for monitoring the overall operation condition of the lightning protection cabinet; the end forming chamber is arranged at the bottom of the cabinet body and below the collecting machine and is used for being connected with outdoor equipment. The lightning protection system has a simpler structure, can better realize longitudinal and transverse lightning protection, and has better lightning protection effect.
Description
Technical Field
The utility model relates to a lightning protection cabinet for an end of a cable, and belongs to the technical field of signal lightning protection.
Background
Indoor equipment such as a ZPW-2000 track circuit and the like are connected with outdoor equipment through cables, when the outdoor equipment or a steel rail is invaded by lightning current or power frequency heavy current, the impact heavy current directly invades indoors through a cable channel, and the indoor equipment is seriously impacted by the current, so that the railway operation safety is threatened. At present, the ZPW-2000 track circuit is damaged by lightning, and protective measures are mainly taken from improving the electromagnetic environment used by equipment, such as grounding treatment of a cable shielding layer, arrangement of a distributing board grounding wire and the like, but only improve the external use environment of the equipment, and are not taken from improving the lightning-resistant capability of the equipment; the lightning protection problem of the cable simulation network disk is not fundamentally solved.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a cable terminating lightning protection cabinet, which integrates a lightning protection module, a collecting machine and a terminating chamber into a whole, so as to have a simple structure, facilitate transportation, and effectively protect equipment from lightning.
In order to achieve the purpose, the utility model adopts the following technical scheme: a cable termination lightning protection cabinet, comprising: the lightning protection device comprises a cabinet body, a lightning protection module, a first grounding copper strip, a collector and an end forming chamber; the cabinet body is used for placing the lightning protection module, the first grounding copper strip, the collector and the terminating chamber; the lightning protection modules are arranged at the upper part of the cabinet body and fixed on the six-terminal base, and the lightning protection modules are arranged in an array manner; the first grounding copper strip comprises a transverse grounding copper strip and a longitudinal grounding copper strip, the transverse grounding copper strip is arranged on the six-terminal base and used for lightning protection grounding transverse confluence, and the longitudinal grounding copper strip is arranged on one side of the cabinet body; the collector is arranged below the lightning protection module and used for monitoring the overall operation condition of the lightning protection cabinet; the end forming chamber is arranged at the bottom of the cabinet body and is used for grounding the end forming of the cable of the outdoor equipment.
Further, the lightning protection module is for can carrying out the surge protector that the lightning protection module is for can carrying out vertical, horizontal or vertical and horizontal protection to the cable conductor, surge protector passes through the lightning protection of six terminal bases draws the terminal and is connected to the cable conductor by the protective apparatus, the branch terminal that is qualified for the next round of competitions of six terminal bases is connected with the indoor equipment.
Furthermore, the other side of each row of the lightning protection modules is provided with a shielding grounding copper bar, and the shielding grounding copper bars are connected through a bus bar arranged in a wire inlet groove at the bottom of the lightning protection module.
Further, the collector comprises a collector main board, a current transformer, a lightning current sensor, a disconnection card and a power supply, wherein the current transformer, the lightning current sensor and the disconnection card are respectively connected with the collector main board.
Further, the collection machine with set up be in display screen on the cabinet body is connected.
Furthermore, the end forming chamber comprises a second grounding copper strip, an end forming box and an arc isolation box, wherein a grounding terminal of the end forming box is connected with the second grounding copper strip, and the arc isolation box is arranged outside the end forming box.
Furthermore, temperature control fire extinguishers are arranged in the cabinet body and the end forming chambers.
Further, the bottom of the cabinet body is provided with a safety ground copper bar.
Due to the adoption of the technical scheme, the utility model has the following advantages:
1. the system structure is simpler in the scheme, can better realize vertical and horizontal lightning protection or vertical and horizontal lightning protection, and has better lightning protection effect.
2. This scheme can prevent because other cables of heavy current production spark arc injury, the airtight structure is set to cable one-tenth end box, is equipped with the control by temperature change fire extinguisher, can automatic fire extinguishing, further guarantees lightning protection cabinet safe and reliable.
Drawings
FIG. 1 is a front view of a cable termination lightning protection cabinet according to an embodiment of the utility model;
FIG. 2 is a schematic structural diagram of a lightning protection cabinet body according to an embodiment of the utility model
FIG. 3 is a left side view of a cable termination lightning protection cabinet according to an embodiment of the utility model;
FIG. 4 is a right side view of a cable termination lightning protection cabinet according to an embodiment of the utility model;
FIG. 5 is a bottom view of a cable termination lightning protection cabinet according to an embodiment of the utility model.
Description of reference numerals:
1-a cabinet body; 2-lightning protection module; 21-a six terminal base; 3-a harvester; 31-a current transformer; a 32-lightning current sensor; 33-a disconnection card; 34-a power supply; 4-an end forming chamber; 41-second grounded copper bars; 42-end forming box; 43-arc isolation box; 5-transverse grounding copper bar; 6-longitudinal grounding copper bar; 7-shielding a grounding copper bar; 8-a bus bar; 9-temperature control fire extinguisher; 10-safely grounding copper bars; 11-display screen.
Detailed Description
The present invention will be described in detail by way of specific examples in order to enable those skilled in the art to better understand the technical solutions of the present invention. It should be understood, however, that the detailed description is provided for a better understanding of the utility model only and that they should not be taken as limiting the utility model. In describing the present invention, it is to be understood that the terminology used is for the purpose of description only and is not intended to be indicative or implied of relative importance.
The embodiment discloses a cable terminating lightning protection cabinet, as shown in fig. 1 and 2, including: the lightning protection device comprises a cabinet body 1, a lightning protection module 2, a first grounding copper strip, a collector 3 and an end forming chamber 4;
the cabinet body 1 is used for placing the lightning protection module 2, the first grounding copper strip, the collector 3 and the terminating chamber 4.
The lightning protection module 2 is arranged on the upper portion of the cabinet body 1 and fixed in the six-terminal base 21, the six-terminal base 21 is adopted for distribution wires, outdoor cable cores are connected to the incoming wire wiring terminals of the six-terminal base 21, and indoor cable cores are connected to the outgoing wire wiring terminals of the six-terminal base 21.
The lightning protection modules 2 are arranged in a plurality of arrays, and include a plurality of rows of lightning protection modules 2 and a plurality of columns of lightning protection modules 2. The lightning protection module 2 is a surge protector capable of longitudinally, transversely or longitudinally and transversely protecting a cable core, and the output end of the surge protector is connected with indoor equipment through the input end of the outgoing line branching terminal. Outdoor cable gets into the lightning protection cabinet and carries out the secondary and become the end, and after the cable secondary becomes the end, adopt surge protector to carry out vertical, horizontal or indulge horizontal protection to the cable conductor, the core shielding is earthed through first ground connection copper bar nearby, surge protector output terminal and indoor cable connection.
The first grounding copper strip comprises a transverse grounding copper strip 5 and a longitudinal grounding copper strip 6, wherein the transverse grounding copper strip 5 is arranged on the six-terminal base 21 and used for lightning protection grounding transverse confluence, and the longitudinal grounding copper strip is arranged on one side of the cabinet; that is, the lateral grounding copper bars 5 are provided on each row of the six-terminal seats 21, and the lateral copper bars 5 are plural. The longitudinal grounding copper strip 6 is arranged on one side of the cabinet body 1, a shielding grounding copper strip 7 is arranged in a wire inlet groove on one side of each row of the lightning protection module 2 and used for shielding the grounding copper strip of the core wire, and the shielding grounding copper strips 7 are connected through a bus bar 8 arranged at the bottom of the lightning protection module 2.
The collector 3 is arranged below the lightning protection module 2 and is used for monitoring the overall operation condition of the lightning protection cabinet; the collector 3 comprises a collector main board, a current transformer 31, a lightning current sensor 32, a disconnection card 33 and a power supply 34, wherein the current transformer 31, the lightning current sensor 32 and the disconnection card 33 are respectively connected with the collector main board. Temperature in the lightning protection cabinet is set through the current transformer 31 and the lightning current sensor 32, and when the temperature exceeds a threshold value, an alarm is given out so that an operator can know the condition of the cable in time and find and check faults. The collector 3 is connected with a display screen 11 arranged on the cabinet body 1, as shown in fig. 2, the display screen 11 is a dot matrix screen, and can set, display and inquire technical parameters, alarm information and the like. The information that the harvester 3 will monitor the collection uploads through RS485 interface or RJ45 ethernet interface, makes things convenient for remote monitoring.
As shown in fig. 3, the end forming chamber 4 is a sealed structure, and the end forming chamber 4 is arranged at the bottom of the cabinet 1 and is used for being connected with outdoor equipment. The end forming chamber 4 comprises a second grounding copper bar 41, an end forming box 42 and an arc isolation box 43, wherein the grounding terminal of the end forming box 42 is connected with the second grounding copper bar 41, and the arc isolation box 43 is arranged outside the end forming box 42. The second grounding copper strip 41 is used for shielding, grounding and collecting copper strips of a steel belt and an aluminum sheath after the cable is finished. The terminating box 42 is used for secondary terminating of the cable, and the arc isolation box 43 is used for preventing spark arcs generated by large current from damaging other cables. Temperature control fire extinguishers 9 are arranged in the cabinet body 1 and the end forming chamber 4 and used for automatically extinguishing fire, as shown in figures 3 and 4. The bottom of the cabinet body 1 is provided with a safety copper bar 10, as shown in fig. 5.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the utility model without departing from the spirit and scope of the utility model, which is to be covered by the claims. The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (8)
1. A cable termination lightning protection cabinet, characterized by includes: the lightning protection device comprises a cabinet body, a lightning protection module, a first grounding copper strip, a collector and an end forming chamber;
the cabinet body is used for placing the lightning protection module, the first grounding copper strip, the collector and the terminating chamber;
the lightning protection modules are arranged at the upper part of the cabinet body and fixed on the six-terminal base, and the lightning protection modules are arranged in an array manner; the first grounding copper strip comprises a transverse grounding copper strip and a longitudinal grounding copper strip, the transverse grounding copper strip is arranged on the six-terminal base and used for lightning protection grounding transverse confluence, and the longitudinal grounding copper strip is arranged on one side of the cabinet body;
the collector is arranged below the lightning protection module and used for monitoring the overall operation condition of the lightning protection cabinet;
the end forming chamber is arranged at the bottom of the cabinet body and used for grounding the end forming of the cable of the outdoor equipment.
2. The cabinet according to claim 1, wherein the lightning protection module is a surge protector capable of protecting the cable core longitudinally, transversely or longitudinally and transversely, and the surge protector is connected to the cable core of the protected device through the lightning protection leading terminal of the six-terminal base, and the outgoing line leading terminal of the six-terminal base is connected to the indoor device.
3. The cable ending lightning protection cabinet according to claim 1 or 2, wherein the other side of each row of the lightning protection modules is provided with a shielding grounding copper bar, and each shielding grounding copper bar is connected through a bus bar arranged in a wire inlet groove at the bottom of the lightning protection module.
4. The cable ending lightning protection cabinet according to claim 1 or 2, wherein the collector comprises a collector main board, a current transformer, a lightning current sensor, a disconnection card and a power supply, and the current transformer, the lightning current sensor and the disconnection card are respectively connected with the collector main board.
5. The cable ending lightning protection cabinet according to claim 4, wherein the collection machine is connected with a display screen arranged on the cabinet body.
6. The cable ending lightning protection cabinet according to claim 1 or 2, wherein the ending chamber comprises a second grounding copper strip, an ending box and an arc isolation box, the grounding terminal of the ending box is connected with the second grounding copper strip, and the arc isolation box is arranged outside the ending box.
7. The cable ending lightning protection cabinet according to claim 1 or 2, wherein a temperature control fire extinguisher is arranged in the cabinet body and in the ending chamber.
8. The cable terminating lightning protection cabinet according to claim 1 or 2, wherein a safety ground copper bar is arranged at the bottom of the cabinet body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123037461.0U CN216774284U (en) | 2021-12-06 | 2021-12-06 | Cable terminating lightning protection cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123037461.0U CN216774284U (en) | 2021-12-06 | 2021-12-06 | Cable terminating lightning protection cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216774284U true CN216774284U (en) | 2022-06-17 |
Family
ID=81964213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123037461.0U Active CN216774284U (en) | 2021-12-06 | 2021-12-06 | Cable terminating lightning protection cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216774284U (en) |
-
2021
- 2021-12-06 CN CN202123037461.0U patent/CN216774284U/en active Active
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