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CN-122000844-A - Action signal series transmission device of surge protector and lightning protection junction cabinet

CN122000844ACN 122000844 ACN122000844 ACN 122000844ACN-122000844-A

Abstract

The invention relates to the field of lightning protection equipment, in particular to a series transmission device for action signals of a surge protector and a lightning protection branching cabinet. The invention provides an action signal serial transmission device of a surge protector, which comprises a signal circuit and a plurality of surge protectors, wherein each surge protector comprises a monitoring module, the monitoring module and a thermal tripping assembly of the surge protector can control the opening and closing of the signal circuit at the position of the surge protector, and the surge protectors are serially arranged on the signal circuit.

Inventors

  • SUN WEIWEI

Assignees

  • 天津市中力神盾电子科技有限公司

Dates

Publication Date
20260508
Application Date
20241101

Claims (10)

  1. 1. The operation signal series transmission device of the surge protectors is characterized by comprising a signal circuit (2) and a plurality of surge protectors (1), wherein each surge protector (1) comprises a monitoring module, the monitoring module and a thermal tripping assembly (5) of the surge protector (1) can control the opening and closing of the signal circuit (2) at the surge protector (1), and the surge protectors (1) are arranged on the signal circuit (2) in series.
  2. 2. The device for the series transmission of actuation signals of a surge protector according to claim 1, characterized in that said monitoring module comprises a first switching element (6) cooperating with an actuation lever (10) of said thermal trip assembly (5).
  3. 3. The device for series transmission of actuation signals of a surge protector according to claim 2, characterized in that said first switching element (6) comprises two metal sheets (11), two of said metal sheets (11) being located on said signal circuit (2), said actuation lever (10) being movable to separate the two metal sheets (11).
  4. 4. The device for series transmission of actuation signals of a surge protector according to claim 2, characterized in that said first switching element (6) comprises two metal sheets (11), two of said metal sheets (11) being located on said signal circuit (2), said actuation lever (10) being provided with a conductive section (12) and an insulating section (13) along the direction of movement, said conductive section (12) being located between two of said metal sheets (11) and against two of said metal sheets (11), said actuation lever (10) being movable to said insulating section (13) being located between two of said metal sheets (11) and against two of said metal sheets (11).
  5. 5. The surge protector action signal serial transmission device according to claim 2, wherein the monitoring module further comprises a second switch element (9) matched with the lightning protection element of the lightning strike assembly (8), the first switch element (6) and the second switch element (9) are connected in series on the signal circuit (2), the second switch element (9) comprises a first attraction element (15) and a second attraction element (16), the first attraction element (15) is fixedly arranged relative to a grounding circuit element (14) at the outlet end of the lightning protection element, a supporting spring is arranged between the first attraction element (15) and the second attraction element (16), the first attraction element (15) and the second attraction element (16) are arranged around the grounding circuit element (14), a contact structure is arranged on the signal circuit (2), and the second attraction element (16) can be separated from the first attraction element (15) under the action of a current flowing through the grounding circuit element (14) and is close to the contact structure.
  6. 6. The device for serially transmitting the actuating signals of the surge protector according to claim 4, wherein the actuating rod (10) is sleeved with a tube body of a conductive structure to form the conductive segment (12).
  7. 7. The device for transmitting in series the action signal of a surge protector according to claim 1, characterized in that the signal circuit (2) comprises a power source (3) and an indicator (4).
  8. 8. The device for transmitting in series the actuation signal of a surge protector according to claim 5, characterized in that said second engaging member (16) cooperates with a ratchet assembly (17).
  9. 9. The device for transmitting the actuating signal in series of the surge protector according to claim 8, wherein the said ratchet assembly (17) includes a rim, a tooth claw and a rotating shaft, the said rim is fixed relative to the said earthing circuit member (14), there are internal teeth on the inner ring surface of the said rim, the said second engaging member (16) has a rotating end and a free end, the rotating end of the said second engaging member (16) is fixedly connected with the said rotating shaft, the said tooth claw is located at one end of the said rotating shaft, and mesh with the said internal teeth.
  10. 10. The lightning protection branching cabinet comprises a cabinet body, and is characterized in that a plurality of branching terminals and surge protectors (1) corresponding to the branching terminals one by one are arranged in the cabinet body, and all the surge protectors (1) are connected in series to a signal circuit (2) in an action signal series transmission device of the surge protectors according to any one of claims 1-9.

Description

Action signal series transmission device of surge protector and lightning protection junction cabinet Technical Field The invention relates to the field of lightning protection equipment, in particular to a series transmission device for action signals of a surge protector and a lightning protection branching cabinet. Background The existing surge protector has the function of carrying out signal transmission with the outside, and a corresponding circuit structure is arranged in a base of the surge protector or in a module head, so that thermal tripping action signals, such as displacement and lightning stroke action signals, such as temperature change, can be converted into electric signals and converted into digital signals to be transmitted out through a monitoring module, and the state of the surge protector is monitored by the outside. In some cases, a large number of surge protectors are required to be arranged, such as in places where a large number of signal cables exist in railways and the like, the signal cables are often required to be separated, specifically, each wire core of the signal cables is connected into a separated time terminal respectively and separated through the separated time terminal, each separated time terminal corresponds to one surge protector, one wire outlet port of the separated time terminal is connected with the surge protector through a cable, so that lightning protection of the separated time cables of the separated time terminal is realized, a large number of surge protectors are arranged in the lightning protection separated time cabinet, when states of the surge protectors are required to be monitored, if each surge protector transmits state signals to an upper computer through an independent signal channel, a large number of cables are required to be connected into the lightning protection separated time cabinet, so that not only the wire cores of the railway signal cables in the lightning protection separated time cabinet and the separated time cables can be influenced, but also working procedures of wiring can be increased. Disclosure of Invention In one aspect, the present invention provides an operation signal serial transmission device for a surge protector, which can simplify connection of monitoring states of the surge protectors in the case of a plurality of surge protectors; The invention provides an action signal serial transmission device of a surge protector, which comprises a signal circuit and a plurality of surge protectors, wherein each surge protector comprises a monitoring module, the monitoring module and a thermal tripping assembly of the surge protector can control the opening and closing of the signal circuit at the position of the surge protector, and the surge protectors are serially arranged on the signal circuit. Further, the monitoring module includes a first switch member that mates with an actuation lever of the thermal trip assembly. Further, the first switch member includes two metal plates, the two metal plates are located on the signal circuit, and the action bars can be moved to separate the two metal plates. Further, the first switch piece includes two sheetmetals, two the sheetmetals are located on the signal circuit, the action bars is equipped with electrically conductive section and insulating section along the direction of movement, electrically conductive section is located two between the sheetmetals and with two the sheetmetal offsets, the action bars can move to the insulating section is located two between the sheetmetals and with two the sheetmetals offsets. Further, the monitoring module further comprises a second switch piece matched with the lightning protection element of the lightning strike assembly, the first switch piece and the second switch piece are connected in series on the signal circuit, the second switch piece comprises a first attraction piece and a second attraction piece, the first attraction piece is fixedly arranged relative to the grounding circuit piece at the outlet end of the lightning protection element, a supporting spring is arranged between the first attraction piece and the second attraction piece, the first attraction piece and the second attraction piece are arranged around the grounding circuit piece, a contact structure is arranged on the signal circuit, and the second attraction piece can be close to the first attraction piece and separate from the contact structure under the action of a magnetic field generated by current flowing through the grounding circuit piece. Further, a tube body of a conductive structure is sleeved on the action rod to form the conductive section. Further, the signal circuit includes a power source and an indicator. Further, the second engaging member is engaged with the ratchet assembly. Further, the ratchet assembly comprises a rim, a tooth claw and a rotating shaft, the rim is fixedly arranged relative to the grounding circuit piece, internal teeth are arra