CN214479600U - Graphite surge protector - Google Patents

Graphite surge protector Download PDF

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Publication number
CN214479600U
CN214479600U CN202120042013.0U CN202120042013U CN214479600U CN 214479600 U CN214479600 U CN 214479600U CN 202120042013 U CN202120042013 U CN 202120042013U CN 214479600 U CN214479600 U CN 214479600U
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China
Prior art keywords
graphite
surge protector
bearing
indicating
power arm
Prior art date
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Active
Application number
CN202120042013.0U
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Chinese (zh)
Inventor
高天安
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Xiamen Set Electronics Co Ltd
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Xiamen Set Electronics Co Ltd
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Filing date
Publication date
Application filed by Xiamen Set Electronics Co Ltd filed Critical Xiamen Set Electronics Co Ltd
Priority to CN202120042013.0U priority Critical patent/CN214479600U/en
Priority to EP21917063.6A priority patent/EP4250506A4/en
Priority to PCT/CN2021/113580 priority patent/WO2022148020A1/en
Application granted granted Critical
Publication of CN214479600U publication Critical patent/CN214479600U/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
    • H01C7/12—Overvoltage protection resistors
    • H01C7/126—Means for protecting against excessive pressure or for disconnecting in case of failure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C1/00—Details
    • H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
    • H01C1/022—Housing; Enclosing; Embedding; Filling the housing or enclosure the housing or enclosure being openable or separable from the resistive element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
    • H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
    • H01H37/761—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit
    • H01H2037/762—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit using a spring for opening the circuit when the fusible element melts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/16—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/08—Indicators; Distinguishing marks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/16—Indicators for switching condition, e.g. "on" or "off"
    • H01H9/167—Circuits for remote indication
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T1/00—Details of spark gaps
    • H01T1/12—Means structurally associated with spark gap for recording operation thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T1/00—Details of spark gaps
    • H01T1/15—Details of spark gaps for protection against excessive pressure

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fuses (AREA)
  • Breakers (AREA)

Abstract

The utility model discloses a graphite surge protector, instruct piece, instruction frame, power arm and bearing including trip gear, graphite clearance module, first instruction piece, second, wherein, first instruction piece sets up on instructing the frame, instructs the frame cup joint on the bearing, the one end fixed connection of bearing and power arm, the other end and the trip gear fixed connection of power arm, and trip gear sets up on the lead wire end of graphite clearance module. When the tripping device is tripped, the power arm is pushed to rotate around the bearing. When a surge comes, the tripping device is tripped, so that the power arm surrounds and drives the bearing to rotate under the thrust of the tripping device. The bearing drives the indicating frame to rotate, so that the first indicating sheet displaces and is separated from being overlapped with the second indicating sheet. When the operation and maintenance personnel patrol, the overheat failure of the current surge protector can be visually judged through the relative displacement change of the first indicating sheet and the second indicating sheet, so that corresponding measures can be taken in time, the power supply accident is avoided, and the loss is reduced.

Description

Graphite surge protector
Technical Field
The utility model relates to a surge protector technical field, in particular to graphite surge protector.
Background
A surge protector, also called a lightning protector, is an electronic device for providing safety protection for various electronic equipment, instruments and meters and communication lines. When the peak current or the voltage is suddenly generated in the electric loop or the communication line due to the external interference, the surge protector can conduct and shunt in a very short time, so that the damage of the surge to other equipment in the loop is avoided. In prior art's application, the phenomenon that the surge protector takes place overheated inefficacy after bearing the surge is not in time discover by fortune dimension personnel easily, leads to the surge protector can't bear next surge, takes place the short circuit phenomenon, leads to the power supply accident, causes the loss.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the graphite surge protector is provided, so that the surge protector can be timely discovered by operation and maintenance personnel after overheating and invalidation occur, power supply accidents are avoided, and loss is reduced.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a graphite surge protector comprises a tripping device, a graphite gap module, a first indicating sheet, a second indicating sheet, an indicating frame, a power arm and a bearing;
the first indicating sheet is arranged on the indicating frame, the second indicating sheet is overlapped under the first indicating sheet, the indicating frame is sleeved on the bearing, the bearing is fixedly connected with one end of the power arm, the other end of the power arm is fixedly connected with the tripping device, and the tripping device is arranged on the lead end of the graphite gap module;
when the tripping device is tripped, the power arm is pushed to drive the indicating frame to rotate, and the first indicating sheet and the second indicating sheet are separated from overlapping.
Furthermore, the tripping device comprises a metal reed, an alloy temperature sensing body, a sliding block and a spring;
one end of the metal reed is fixedly welded with the lead end of the graphite clearance module through the alloy temperature sensing body, the other end of the metal reed is externally connected with a phase line, a protective wire or a grounding wire, the metal reed is in abutting connection with the sliding block, the sliding block is fixedly connected with one end of the spring, and the other end of the power arm is fixedly connected with the sliding block;
the spring is in a power storage state, and the sliding block pushes the metal reed to be far away from the graphite clearance module when the spring is reset, and pushes the power arm to rotate around the bearing.
Furthermore, the alarm device also comprises a touch rod and a microswitch arranged on the alarm module;
the other end of the spring is fixedly connected with one end of the touch rod, and the other end of the touch rod is connected with the movable contact of the micro switch in an abutting mode.
Further, the alarm module comprises a first printed circuit board and a second printed circuit board;
the micro switch is arranged on the first printed circuit board, the first printed circuit board is electrically connected with the second printed circuit board through a connecting wire, and the second printed circuit board is provided with an external socket.
Further, a pin and a socket are included;
the lead terminals of the graphite gap module are externally connected with the pins and the socket, the pins are connected with the socket in a plugging and unplugging mode, the socket is provided with external interfaces, and different lead terminals on the graphite gap module are respectively connected with the phase line, the neutral line and the protection line through the external interfaces.
Further, the socket includes a pin holder, a wire holder, a pin holder terminal and a wire holder terminal;
the pin is connected with the pin clamp in a pulling and inserting mode, the lead clamp terminal is arranged on the lead clamp, the pin clamp terminal is arranged on the pin clamp, the lead clamp terminal is connected with the pin clamp terminal in a buckling mode, and the external interface is arranged on the lead clamp.
Furthermore, the device also comprises a connecting socket;
the connecting socket is respectively clamped and fixed on different wire clamps through screws.
Furthermore, the device also comprises a transparent window;
the transparent window is arranged in the overlapping direction of the first indication sheet and the second indication sheet.
Further, the graphite gap modules are all of a graphite multi-gap structure.
To sum up, the beneficial effects of the utility model reside in that: a graphite surge protector triggers a tripping device on a graphite gap module when a surge comes, so that a power arm surrounds and drives a bearing to rotate under the thrust of the tripping device. The bearing drives the indicating frame to rotate, so that the first indicating sheet displaces, is separated from the overlapping with the second indicating sheet, and forms a physical indicating effect. When the operation and maintenance personnel are patrolling, the relative displacement change of the first indication piece and the second indication piece on the surge protector can intuitively judge that the current surge protector is overheated and fails, so that corresponding measures are taken in time, power supply accidents are avoided, and loss is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a graphite surge protector according to an embodiment of the present invention, in a normal state of the structure related to physical knowledge;
fig. 2 is a schematic structural diagram of a graphite surge protector according to an embodiment of the present invention after triggering the structure related to physical knowledge;
fig. 3 is a schematic structural diagram of a graphite gap module of a graphite surge protector according to an embodiment of the present invention;
fig. 4 is an exploded view of a graphite gap module of a graphite surge protector in accordance with an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a plug design of a graphite surge protector according to an embodiment of the present invention;
fig. 6 is an exploded view of a base of a graphite surge protector in accordance with an embodiment of the present invention;
fig. 7 is a schematic structural diagram of components such as a wire clamp on a base of a graphite surge protector according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a microswitch, a first printed circuit board, and the like of a graphite surge protector according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a connection socket of a graphite surge protector according to an embodiment of the present invention;
description of reference numerals:
1. a graphite gap module; 2 a first indicator piece; 3. a second indicator sheet; 4. an indication frame; 5. a power arm; 6. a bearing; 7. a metal reed; 8. a slider; 9. a spring; 10. a touch rod is touched; 11. a microswitch; 12. a first printed circuit board; 13. a second printed circuit board; 14. an external socket; 15. a pin; 16. a socket; 17. an external interface; 18. a pin clamp; 19. a wire clamp; 20. a pin holder terminal; 21. a wire clamp terminal; 22. connecting the power strip; 23. a transparent window.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 9, a graphite surge protector includes a tripping device, a graphite gap module 1, a first indicator sheet 2, a second indicator sheet 3, an indicator frame 4, a power arm and a bearing 5, 6;
the first indicating sheet 2 is arranged on the indicating frame 4, the second indicating sheet 3 is arranged under the first indicating sheet 2 in an overlapping manner, the indicating frame 4 is sleeved on the bearing 6, the bearing 6 is fixedly connected with one end of the power arm, the other end of the power arm is fixedly connected with the tripping device, and the tripping device is arranged on the lead end of the graphite gap module 1;
when the tripping device is tripped, the power arm is pushed to rotate around the bearing 6, and the first indicating sheet 2 and the second indicating sheet 3 are separated from overlapping.
From the above description, the beneficial effects of the present invention are: a graphite surge protector triggers a tripping device on a graphite gap module 1 when a surge comes, so that a power arm surrounds and drives a bearing 6 to rotate under the thrust of the tripping device. The bearing 6 drives the indicating frame 4 to rotate, so that the first indicating sheet 2 is displaced and is separated from being overlapped with the second indicating sheet 3. When the operation and maintenance personnel patrol, the overheat failure of the current surge protector can be intuitively judged through the relative displacement change of the first indication sheet 2 and the second indication sheet 3 on the surge protector, so that corresponding measures are taken in time, the power supply accident is avoided, and the loss is reduced.
Further, the tripping device comprises a metal reed 7, an alloy temperature sensing body, a sliding block 8 and a spring 9;
one end of the metal reed 7 is welded and fixed with the lead end of the graphite clearance module 1 through the alloy temperature sensing body, the other end of the metal reed is used for being externally connected with a phase line, a protective wire or a grounding wire, the metal reed 7 is in abutting connection with the sliding block 8, the sliding block 8 is fixedly connected with one end of the spring 9, and the other end of the power arm is fixedly connected with the sliding block 8;
the spring 9 is in a power accumulation state, and the sliding block 8 pushes the metal reed 7 to be far away from the graphite gap module 1 when the spring 9 is reset, and pushes the power arm to rotate around the bearing 6.
As can be seen from the above description, the external phase, protection or ground wires are electrically connected to the lead terminals of the graphite gap module 1 through the metal reeds 7. One end of the metal reed 7 is welded on the lead end of the graphite clearance module 1 through the alloy temperature sensing body to form an elastic buckle. The slide block 8 and the spring 9 in the power accumulation state form an energy accumulation structure. When an overheating failure occurs, heat at the lead terminals of the graphite gap block 1 is transferred to the alloy temperature-sensing body. The excessive temperature melts the alloy temperature sensing body, and the metal reed 7 is detached from the lead end of the graphite gap module 1. Under the conflict effect of the elasticity of metal reed 7 and energy storage structure, metal reed 7 breaks away from being connected with graphite clearance module 1, and surge protector and external circuit disconnection avoid taking place some because of bearing the power consumption accidents that the surge once more and cause after surge protector became invalid.
Further, the alarm device also comprises a touch rod 10 and a microswitch 11 arranged on the alarm module;
the other end of the spring 9 is fixedly connected with one end of the touch rod 10, and the other end of the touch rod 10 is connected with a movable contact of the microswitch 11 in an abutting mode.
As can be seen from the above description, the other end of the spring 9 is also connected with a touch lever 10 for abutting against a microswitch 11. When the surge protector is overheated and fails, the spring 9 resets, the touch rod 10 is not enough to touch the micro switch 11 after losing the acting force of the spring 9, and the micro switch 11 is normally closed to be normally opened, so that the alarm module is triggered. And realizing failure alarm.
Further, the alarm module includes a first printed circuit board 12 and a second printed circuit board 13;
the microswitch 11 is arranged on the first printed circuit board 12, the first printed circuit board 12 is electrically connected with the second printed circuit board 13 through a connecting wire, and the second printed circuit board 13 is provided with an external socket 14.
As can be seen from the above description, when the micro switch 11 is changed from the normally closed state to the normally open state, the circuit structure formed by the first printed circuit board 12 and the second printed circuit board 13 is changed accordingly, and the change information can be transmitted to the outside through the external connection socket 14.
Further, a pin 15 and a socket 16 are included;
the lead terminals of the graphite clearance module 1 are externally connected with the pins 15 and the sockets 16, the pins 15 are connected with the sockets 16 in a plugging and unplugging mode, the sockets 16 are provided with external interfaces 17, and different lead terminals on the graphite clearance module 1 are respectively connected with the phase lines, the neutral lines and the protection lines through the external interfaces 17.
From the above description, the graphite gap module 1 of the surge protector can be flexibly combined with the plug-in design of the plug 15 and the socket 16 to meet different design requirements.
Further, the socket 16 includes a pin holder 18, a wire holder 19, a pin holder terminal 20, and a wire holder 19 terminal;
the pin 15 is connected with the pin clamp 18 in a plugging manner, the lead clamp terminal 21 is arranged on the lead clamp 19, the pin clamp terminal 20 is arranged on the pin clamp 18, the lead terminal 21 is connected with the pin clamp terminal 20 in a buckling manner, and the external interface 17 is arranged on the lead clamp 19.
As can be seen from the above description, the pin 15 is unplugged and linked to the pin holder 18 on the socket 16. The external neutral wire, the external protection wire and the external phase wire are all fixed on the socket 16 through a wire clamp 19.
Further, a connecting socket 22 is also included;
the connection socket 22 is fixed to the different conductor clamps 19 by screwing.
As can be seen from the above description, the connection strip 22 is used to connect the wire clamps 19 on different sockets 16. The connection socket strip 22 can connect the sockets 16 corresponding to different graphite gap modules 1 together, which not only reduces the number of wires on the surge protector, but also increases the stability of the overall structure of the surge protector for the physical connection established between different graphite gap modules 1.
Further, a transparent window 23 is also included;
the transparent window 23 is disposed in the overlapping direction of the first indicator sheet 2 and the second indicator sheet 3.
From the above description, the transparent window 23 facilitates the operation and maintenance personnel to observe the change of the relative displacement between the first indicator piece 2 and the second indicator piece 3 so as to judge whether the surge protector fails.
Further, the graphite gap modules 1 are all of a graphite multi-gap structure.
From the above description, the graphite multi-gap structure is designed to discharge continuously in multi-layer gaps, and each layer is insulated from each other, so that the discharge capacity and the thermal stability of the surge protector are improved.
Referring to fig. 1 to fig. 3, a first embodiment of the present invention is:
a graphite surge protector comprises a tripping device, a graphite gap module 1, a first indicating sheet 2, a second indicating sheet 3, an indicating frame 4, a power arm and a bearing 5 as shown in figures 1 and 2. The first indicating sheet 2 is arranged on the indicating frame 4, the second indicating sheet 3 is arranged under the first indicating sheet 2 in an overlapping mode, the indicating frame 4 is sleeved on the bearing 6, the bearing 6 is fixedly connected with one end of the power arm, the other end of the power arm is fixedly connected with the tripping device, and the tripping device is arranged on the lead end of the graphite gap module 1. When the tripping device is tripped, the power arm is pushed to rotate around the bearing 6, and the first indicating sheet 2 and the second indicating sheet 3 are separated from overlapping. In this embodiment, the trip device on the graphite gap module 1 is triggered when a surge comes, so that the power arm rotates around and drives the bearing 6 under the thrust of the trip device. The bearing 6 drives the indicating frame 4 to rotate, so that the first indicating sheet 2 is displaced and is separated from being overlapped with the second indicating sheet 3. When the operation and maintenance personnel patrol, the overheat failure of the current surge protector can be intuitively judged through the relative displacement change of the first indication sheet 2 and the second indication sheet 3 on the surge protector, so that corresponding measures are taken in time, the power supply accident is avoided, and the loss is reduced.
As shown in fig. 3, the trip device comprises a metal reed 7, an alloy temperature sensing body, a slide block 8 and a spring 9. Wherein, the one end of metal reed 7 is passed through alloy temperature sensing body and graphite clearance module 1's lead wire end welded fastening, and the other end is used for external phase line, protective wire or earth connection, and metal reed 7 is contradicted with slider 8 and is connected, slider 8 and the one end fixed connection of spring 9, the other end and the slider 8 fixed connection of power arm. The spring 9 is in a power storage state, and the sliding block 8 pushes the metal reed 7 to be far away from the graphite clearance module 1 when the spring 9 is reset, and pushes the power arm to rotate around the bearing 6. The above-mentioned for trip gear's specific structural design, its actual theory of operation does:
one end of the metal reed 7 is welded on the lead end of the graphite clearance module 1 through the alloy temperature sensing body to form an elastic buckle. The slide block 8 and the spring 9 in the power accumulation state form an energy accumulation structure. When an overheating failure occurs, heat at the lead terminals of the graphite gap block 1 is transferred to the alloy temperature-sensing body. The excessive temperature melts the alloy temperature sensing body, and the metal reed 7 is detached from the lead end of the graphite gap module 1. Under the elastic force of the metal reed 7 and the interference effect of the energy storage structure, the metal reed 7 is disconnected from the graphite clearance module 1, and the surge protector is disconnected from an external circuit to realize tripping.
In this embodiment, a transparent window 23 is included. The transparent window 23 is provided in the overlapping direction of the first indicator sheet 2 and the second indicator sheet 3. The transparent window 23 is used for facilitating the operation and maintenance personnel to observe the change of the relative displacement between the first indication sheet 2 and the second indication sheet 3 so as to judge whether the surge protector fails.
In addition, in the embodiment, the first indicator piece 2 and the second indicator piece can be set to different colors, such as red and green, for indicating the normal and failure states of the surge protector.
Referring to fig. 4, fig. 6 and fig. 8, a second embodiment of the present invention is:
a graphite surge protector is shown in figure 4 and figure 1, and further comprises a touch rod 10 and a microswitch 11 arranged on an alarm module. The other end of the spring 9 is fixedly connected with one end of a touch rod 10, and the other end of the touch rod 10 is connected with a movable contact of the microswitch 11 in a butting manner. In this embodiment, the other end of the spring 9 is further connected with a touch rod 10 for abutting against a microswitch 11. When the surge protector is overheated and fails, the spring 9 resets, the touch rod 10 is not enough to touch the micro switch 11 after losing the acting force of the spring 9, and the micro switch 11 is normally closed to be normally opened, so that the alarm module is triggered. And realizing failure alarm.
In the present embodiment, the alarm module includes a first printed circuit board 12 and a second printed circuit board 13. The microswitch 11 is arranged on the first printed circuit board 12, the first printed circuit board 12 is electrically connected with the second printed circuit board 13 through a connecting lead, and the second printed circuit board 13 is provided with an external socket 14.
Referring to fig. 5, fig. 6, fig. 7 and fig. 9, a third embodiment of the present invention is:
a graphite surge protector, based on one or both of the above embodiments, as shown in fig. 1, includes a pin 15 and a socket 16. The socket 16 includes a pin holder 18, a wire holder 19, a pin holder terminal 20, and a wire holder terminal 21.
As shown in fig. 5 to 7, the lead terminals of the graphite gap module 1 are externally connected with the pins 15 and the sockets 16, different lead terminals on the graphite gap module 1 are respectively connected with the phase wires, the neutral wires and the protection wires through the external interfaces 17, the pins 15 are connected with the pin clamps 18 in a plugging and unplugging manner, the wire clamp terminals 21 are arranged on the wire clamps 19, the pin clamp terminals 20 are arranged on the pin clamps 18, the wire clamp terminals 21 are connected with the pin clamp terminals 20 in a buckling manner, and the external interfaces 17 are arranged on the wire clamps 19.
As shown in fig. 9, the wire guide device further includes a connection socket 22, and the connection socket 22 is fixed to different wire clamps 19 by screw clamping.
To sum up, the utility model discloses a graphite surge protector triggers trip gear on the graphite clearance module when the surge comes for the power arm centers on and drives the bearing rotation under trip gear's thrust. The bearing drives the indicating frame to rotate, so that the first indicating sheet displaces and is separated from the overlapping with the second indicating sheet. When the operation and maintenance personnel are patrolling, the relative displacement change of the first indication piece and the second indication piece on the surge protector can intuitively judge that the current surge protector is overheated and fails, so that corresponding measures are taken in time, power supply accidents are avoided, and loss is reduced. The plug design between the graphite gap module and the socket enables the surge protector to be flexibly and conveniently applied. And, be equipped with failure alarm device on surge protector for can trigger the warning after surge protector fails. The operation and maintenance personnel can judge whether the surge protector fails through the transparent window and the alarm information and timely make corresponding maintenance measures.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims (9)

1. A graphite surge protector is characterized by comprising a tripping device, a graphite gap module, a first indicating sheet, a second indicating sheet, an indicating frame, a power arm and a bearing;
the first indicating sheet is arranged on the indicating frame, the second indicating sheet is overlapped under the first indicating sheet, the indicating frame is sleeved on the bearing, the bearing is fixedly connected with one end of the power arm, the other end of the power arm is fixedly connected with the tripping device, and the tripping device is arranged on the lead end of the graphite gap module;
when the tripping device is tripped, the power arm is pushed to drive the indicating frame to rotate, and the first indicating sheet and the second indicating sheet are separated from overlapping.
2. The graphite surge protector of claim 1, wherein the trip device comprises a metal reed, an alloy temperature sensing body, a slider and a spring;
one end of the metal reed is fixedly welded with the lead end of the graphite clearance module through the alloy temperature sensing body, the other end of the metal reed is externally connected with a phase line, a protective wire or a grounding wire, the metal reed is in abutting connection with the sliding block, the sliding block is fixedly connected with one end of the spring, and the other end of the power arm is fixedly connected with the sliding block;
the spring is in a power storage state, and the sliding block pushes the metal reed to be far away from the graphite clearance module when the spring is reset, and pushes the power arm to rotate around the bearing.
3. The graphite surge protector of claim 2, further comprising a touch bar and a micro switch disposed on the alarm module;
the other end of the spring is fixedly connected with one end of the touch rod, and the other end of the touch rod is connected with the movable contact of the micro switch in an abutting mode.
4. The graphite surge protector of claim 3, wherein the alarm module comprises a first printed circuit board and a second printed circuit board;
the micro switch is arranged on the first printed circuit board, the first printed circuit board is electrically connected with the second printed circuit board through a connecting wire, and the second printed circuit board is provided with an external socket.
5. The graphite surge protector of claim 1, comprising a pin and a socket;
the lead terminals of the graphite gap module are externally connected with the pins and the socket, the pins are connected with the socket in a plugging and unplugging mode, the socket is provided with external interfaces, and different lead terminals on the graphite gap module are respectively connected with the phase line, the neutral line and the protection line through the external interfaces.
6. The graphite surge protector of claim 5, wherein the socket comprises pin holders, wire holders, pin holder terminals and wire holder terminals;
the pin is connected with the pin clamp in a pulling and inserting mode, the lead clamp terminal is arranged on the lead clamp, the pin clamp terminal is arranged on the pin clamp, the lead clamp terminal is connected with the pin clamp terminal in a buckling mode, and the external interface is arranged on the lead clamp.
7. The graphite surge protector of claim 6, further comprising a connecting strip;
the connecting socket is respectively clamped and fixed on different wire clamps through screws.
8. The graphite surge protector of claim 1, further comprising a transparent window;
the transparent window is arranged in the overlapping direction of the first indication sheet and the second indication sheet.
9. The graphite surge protector of claim 1, wherein the graphite gap modules are each of a graphite multi-gap structure.
CN202120042013.0U 2021-01-08 2021-01-08 Graphite surge protector Active CN214479600U (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202120042013.0U CN214479600U (en) 2021-01-08 2021-01-08 Graphite surge protector
EP21917063.6A EP4250506A4 (en) 2021-01-08 2021-08-19 Graphite surge protector
PCT/CN2021/113580 WO2022148020A1 (en) 2021-01-08 2021-08-19 Graphite surge protector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120042013.0U CN214479600U (en) 2021-01-08 2021-01-08 Graphite surge protector

Publications (1)

Publication Number Publication Date
CN214479600U true CN214479600U (en) 2021-10-22

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Application Number Title Priority Date Filing Date
CN202120042013.0U Active CN214479600U (en) 2021-01-08 2021-01-08 Graphite surge protector

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EP (1) EP4250506A4 (en)
CN (1) CN214479600U (en)
WO (1) WO2022148020A1 (en)

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US10811871B2 (en) * 2015-05-22 2020-10-20 Twgc Products, Llc Low profile surge protector
CN206481053U (en) * 2017-02-24 2017-09-08 厦门宏发开关设备有限公司 A kind of surge protection module
CN209516625U (en) * 2019-01-14 2019-10-18 浙江西芝电气有限公司 A kind of surge protector with instruction function
CN212304737U (en) * 2020-06-12 2021-01-05 四川中光防雷科技股份有限公司 Surge protector
CN212210483U (en) * 2020-06-12 2020-12-22 四川中光防雷科技股份有限公司 Plug-in multilayer clearance type surge protector

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