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CN-122000845-A - Action signal transmission device of surge protector and lightning protection junction cabinet

CN122000845ACN 122000845 ACN122000845 ACN 122000845ACN-122000845-A

Abstract

The invention relates to the field of lightning protection equipment, in particular to an action signal transmission device of a surge protector and a lightning protection branching cabinet. The invention provides an action signal 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 can monitor a thermal tripping component and/or a lightning stroke component of the surge protector and control the on-off 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 action signal transmission device of the surge protector 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 can monitor a thermal tripping component (5) and/or a lightning strike component (12) (12) of the surge protector (1) and control on-off 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 according to claim 1, characterized in that the monitoring module cooperates with the thermal trip assembly (5) through a monitoring circuit.
  3. 3. The surge protector action signal transmission device according to claim 2, characterized in that the monitoring circuit comprises a switching structure (10) or a sensing means cooperating with an action bar (9) of the thermal trip assembly (5).
  4. 4. A surge protector action signal transmission device according to claim 3, characterized in that the monitoring module comprises a monitoring unit (6) and a switching element (7) located on the signal circuit (2), the switching element (7) being opened on the signal circuit (2) when the monitoring unit (6) gets a signal that the action bar (9) is subjected to a thermal trip action.
  5. 5. The surge protector action signal transmission device of claim 1, wherein the monitoring module cooperates with the thermal trip assembly (5) and the lightning strike assembly (12) (12) through a monitoring circuit.
  6. 6. The surge protector action signal transmission device according to claim 5, characterized in that the monitoring circuit comprises a switching structure (10) or a sensing means cooperating with an action bar (9) of the thermal trip assembly (5).
  7. 7. The surge protector action signal transmission device of claim 6, wherein the monitoring circuit further comprises a temperature sensor (14) mated with a lightning protection element (13) of the lightning strike assembly (12) (12).
  8. 8. The device according to claim 7, characterized in that the monitoring module comprises a monitoring unit (6) and a switching element (7) located on the signal circuit (2), the switching element (7) being disconnected on the signal circuit (2) when the monitoring unit (6) obtains at least one of a signal of the action bar (9) that causes a thermal trip action and a signal of the lightning protection element (13) passing a lightning strike current.
  9. 9. The device for transmitting an 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), the signal circuit (2) being electrically connected to a power supply module of the surge protector (1) for powering the monitoring unit (6), the switching element (7) and the monitoring circuit.
  10. 10. A lightning protection branching cabinet, comprising a cabinet body, and characterized in that a plurality of branching terminals and surge protectors (1) corresponding to the branching terminals one to 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 transmission device of the surge protector according to any one of claims 1-9.

Description

Action signal 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 an action signal transmission device 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 transmission device of a surge protector, capable of simplifying wiring for monitoring the status of the surge protector in the case of a plurality of surge protectors; The invention provides an action signal 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 can monitor a thermal tripping component and/or a lightning stroke component of the surge protector and control the on-off 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 is matched with the thermal tripping assembly through a monitoring circuit. Further, the monitoring circuit includes a switching structure or sensing device that cooperates with the trip lever of the thermal trip assembly. Further, the monitoring module comprises a monitoring unit and a switch piece located on the signal circuit, and when the monitoring unit obtains a signal that the action rod generates a thermal tripping action, the switch piece is disconnected on the signal circuit. Further, the monitoring module is matched with the thermal tripping assembly and the lightning stroke assembly through a monitoring circuit. Further, the monitoring circuit includes a switching structure or sensing device that cooperates with the trip lever of the thermal trip assembly. Further, the monitoring circuit also includes a temperature sensor that cooperates with the lightning protection element of the lightning strike assembly. Further, the monitoring module comprises a monitoring unit and a switch piece located on the signal circuit, and when the monitoring unit obtains at least one of a signal of the action bar for generating a thermal trip action and a signal of the lightning protection element passing lightning stroke current, the switch piece is disconnected on the signal circuit. Further, the signal circuit comprises a power supply and an indicator, the signal circuit is electrically connected with a power supply module of the surge protector, and the power supply module is used for supplying power to the monitoring unit, the switch piece and the monitoring circuit. On the other hand, the lightning protection junction box provided by the invention comprises a box body, wherein a plurality of junction terminals and surge protectors which are in one-to-one correspondence with the junction terminals are arranged in the box body, and all the surge protectors are connected in series to a signal circuit in an action signal transmission device of the surge protector. Advantageous effects According to the scheme, a plurality of surge protectors are connected in series into a signal circuit, if all the surge