CN217642691U - Multi-pole surge protector - Google Patents

Abstract

The utility model relates to the field of low-voltage apparatuses, in particular to a multi-pole surge protector, which comprises a shell, wherein a plurality of installation cavities are arranged in the shell, a partition wall structure is arranged between every two adjacent installation cavities, a group of protection modules are arranged in each installation cavity, each group of protection modules is an L-N pole protection module or an N-PE pole protection module, and each group of protection modules comprises a protection element; the method is characterized in that: the multi-pole surge protector also comprises parallel current-conducting plates which are arranged in the shell and cross the isolation wall structures, and the electrodes of the protection elements serving as output ends are electrically connected with the parallel current-conducting plates; the multi-pole surge protection device is good in attractiveness and high in safety.

Description

Multi-pole surge protector

Technical Field

The utility model relates to a low-voltage apparatus field, concretely relates to multipole surge protector.

Background

Fixed multipolar surge protector of prior art, generally constitute required multipolar surge protector by the monopole surge protector who designs into the looks isostructure through assembling, when assembling each monopole surge protector:

firstly, the output ends of all the single-pole surge protectors are connected together by an external parallel conductive plate, so that the defects of poor attractiveness, high cost and low wiring reliability exist;

when the multi-pole surge protection device comprises a plurality of single-pole surge protection devices, each single-pole surge protection device is respectively provided with a remote signaling assembly for communicating with external equipment, so that the wiring of the product is complex and the cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a multipolar surge protector, its aesthetic property is good and the security is high.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a multi-pole surge protector comprises a shell, wherein a plurality of installation cavities are formed in the shell, partition wall structures are arranged between every two adjacent installation cavities, a group of protection modules are arranged in each installation cavity, each group of protection modules are L-N pole protection modules or N-PE pole protection modules, and each group of protection modules comprises protection elements; the method is characterized in that: the multi-pole surge protector also comprises parallel conductive plates which are arranged in the shell and cross the partition wall structures, and electrodes of the protection elements serving as output ends are electrically connected with the parallel conductive plates.

Preferably, the multipole surge protector comprises at least one common output terminal, the common output terminal comprises a common wiring frame and a common wiring screw, the parallel conductive plate comprises a parallel conductive plate main plate and at least one common wiring board, one end of the common wiring board is connected with the parallel conductive plate main plate, and the other end of the common wiring board is inserted in the common wiring frame to be matched with the common wiring board; the parallel conductive plates are of an integrated structure.

Preferably, the multipole surge protector comprises a plurality of L-N pole protection modules which are sequentially arranged side by side, each L-N pole protection module comprises a thermal release mechanism and a remote signaling assembly in driving fit with the thermal release mechanism, each remote signaling assembly comprises a remote signaling circuit board and a remote signaling terminal for communicating with external equipment, and each remote signaling circuit board transversely penetrates through a partition wall structure between adjacent L-N pole protection modules.

Preferably, each remote signaling assembly further comprises a micro switch in driving fit with the thermal release mechanism of each L-pole protection module, and the micro switch and the remote signaling terminal are connected with the remote signaling circuit board respectively.

Preferably, the protection element of the N-PE electrode protection module is a first protection element, and the first protection element includes a first protection element main body, and a first input terminal electrode and a first output terminal electrode that are respectively disposed at two ends of the first protection element main body; the N-PE electrode protection module further comprises an N-PE electrode input terminal and an N-PE electrode output conducting plate, the N-PE electrode input terminal comprises an N-PE electrode input wiring board, the N-PE electrode input wiring board is connected with a first input end electrode, and the first output end electrode is connected with the parallel conducting plate through the N-PE electrode output conducting plate.

Preferably, the N-PE electrode input wiring board is connected with the first input end electrode in a riveting mode, and welding metal is filled in a gap at the riveting position of the N-PE electrode input wiring board and the first input end electrode.

Preferably, the first output end electrode is riveted with the N-PE output conducting plate, and a gap at the riveted part of the first output end electrode and the N-PE output conducting plate is filled with welding metal; and the N-PE pole output conductive plate and the parallel conductive plate are fixedly connected through a nut and a bolt.

Preferably, the protection element of the L-N electrode protection module is a second protection element, and includes a second protection element main body, and a second input terminal electrode and a second output terminal electrode respectively disposed at two ends of the second protection element main body; the L-N electrode protection module further comprises an L-N electrode input terminal, the L-N electrode input terminal comprises an L-N electrode input wiring board, the L-N electrode input wiring board is electrically connected with a second input end electrode through a thermal separation mechanism, and a second output end electrode is connected with the parallel conductive plate; and the second output electrode is fixedly connected with the parallel conductive plate through a nut and a bolt.

Preferably, the thermal release mechanism comprises a support frame, a push rod, an indicating piece, a conducting strip and a push rod driving piece, wherein the conducting strip is arranged on the push rod and acts synchronously with the push rod;

the support frame comprises a support frame transverse part and a support frame vertical part which are connected in a bending mode, the push rod is arranged on the support frame vertical part in a sliding mode, one end of the indicating piece is arranged on the support frame transverse part in a sliding mode, and the other end of the indicating piece is connected with the push rod; the conducting strip is connected with a second input end electrode of the second protection element through low-temperature alloy welding, and the indicating piece is located at a first position; after the low-temperature alloy is heated and melted, the push rod driving piece drives the push rod to slide so that the push rod drives the conducting strip to be separated from the second input end electrode and drives the indicating piece to slide to a second position, and the push rod triggers the remote signaling assembly.

Preferably, the housing comprises a first end housing and a second end housing respectively positioned at two ends of the housing, and at least one middle housing arranged between the first end housing and the second end housing; the first end shell, the middle shell and the second end shell are spliced into shells, and mounting cavities are arranged between the first end shell and the middle shell, between adjacent middle shells and between the middle shell and the second end shell; the middle shell is of a partition wall structure.

Preferably, the middle shell comprises a telecommand component groove for accommodating a telecommand component, and an input terminal groove for accommodating an input terminal, a protection component groove for accommodating a protection component, and an output terminal groove for accommodating an output terminal, which are sequentially arranged side by side along the length direction of the middle shell, wherein the telecommand component groove and the input terminal groove are arranged side by side along the height direction of the middle shell, and the telecommand component groove and the input terminal groove are positioned on one side of the protection component groove; the middle shell comprises a shell insulation structure arranged between a protection element groove and an output terminal groove, the shell insulation structure is provided with a nut accommodating groove, an electrode of the protection element as an output end is connected with a parallel current conducting plate through a nut and a bolt, and the nut is limited and arranged in the nut accommodating groove.

The utility model discloses multipolar surge protector, the electrode as the output of its each protection element all links with parallel current conducting plate electricity, and parallel current conducting plate sets up in the casing, has strengthened the aesthetic property of product directly perceived, and parallel current conducting plate does not expose outside, has improved product security and protection element's output parallel connection's reliability.

In addition, the remote signaling assembly of the L-N pole protection module shares the remote signaling circuit board and the remote signaling terminal, so that the structure of the multi-pole surge protector is simplified, the wiring operation is simplified, the number of parts is saved, and the production cost is reduced.

Drawings

Fig. 1 is a schematic structural view of a first embodiment of the multi-pole surge protector of the present invention, showing the structure of the housing;

fig. 2 is a schematic structural view of a first embodiment of the multi-pole surge protector of the present invention, with the second end housing removed and showing the structure of an L-pole protection module, as compared to fig. 1;

fig. 3 is a schematic structural view of a first embodiment of the multi-pole surge protector of the present invention, showing an assembly structure of a first end housing and an N-pole protection module;

fig. 4 is a schematic structural diagram of the N-pole protection module of the present invention;

fig. 5 is a schematic structural view of a second embodiment of the multi-pole surge protector of the present invention, showing the structure of the housing;

fig. 6 is a schematic structural view of a second embodiment of the multi-pole surge protector of the present invention, with the housing removed and showing the structure of the thermal release mechanism as compared to fig. 5

Fig. 7 is a schematic structural view of a second embodiment of the multi-pole surge protector of the present invention, with the housing removed and showing a connection structure of the parallel conductive plate and the L-pole protection module, compared to fig. 5.

Detailed Description

The following description will further describe the embodiments of the multi-pole surge protector according to the present invention with reference to the examples shown in fig. 1 to 7. The multi-pole surge protector of the present invention is not limited to the description of the following embodiments.

As shown in fig. 1-7, the utility model discloses a multi-pole surge protector, which comprises a housing h, wherein a plurality of installation cavities are arranged in the housing h, a partition wall structure is arranged between every two adjacent installation cavities, a group of protection modules are arranged in each installation cavity, each group of protection modules is an L-N pole protection module or an N-PE pole protection module, and each group of protection modules comprises a protection element; the multi-pole surge protector further comprises parallel conductive plates 8 which are arranged in the shell h and cross the partition wall structures, and electrodes of the protection elements serving as output ends are electrically connected with the parallel conductive plates 8.

The utility model discloses multipolar surge protector, the electrode as the output of its each protection element all links with parallel current conducting plate 8 electricity, and parallel current conducting plate 8 sets up in casing h, has strengthened the aesthetic property of product directly perceived, and parallel current conducting plate 8 does not expose outside, has improved product security and protection element's output parallel connection's reliability.

As shown in fig. 5-7, the multi-pole surge protector comprises a plurality of L-N pole protection modules, each L-N pole protection module comprises a thermal release mechanism 2a and a remote signaling assembly 5a in driving fit with the thermal release mechanism 2a, each remote signaling assembly 5a shares a remote signaling circuit board 5-1a and a remote signaling terminal 5-0a for communication connection with external equipment, and the remote signaling circuit board 5-1a traverses a partition wall structure between adjacent L-N pole protection modules. The remote signaling component 5a of the L-N pole protection module shares the remote signaling circuit board 5-1a and the remote signaling terminal 5-0a, so that the structure of the multi-pole surge protector is simplified, the wiring operation is simplified, the number of parts is saved, and the production cost is reduced.

The utility model discloses multipolar surge protector still includes at least one public output terminal, and public output terminal includes public wiring end 9-0 and public wiring screw 9-1, and parallelly connected current conducting plate 8 includes parallelly connected current conducting plate mainboard 8-0 and at least one public wiring board 8-1, and public wiring board 8-1 one end links to each other with parallelly connected current conducting plate mainboard 8-0, and the other end is planted rather than the cooperation in public wiring frame 9-0.

As shown in fig. 1 and 5, the housing h of the present embodiment includes a first end housing h1 and a second end housing h3 respectively disposed at both ends of the housing h, and at least one middle housing h2 disposed between the first end housing h1 and the second end housing h 3; the first end shell h1, the middle shell h2 and the second end shell h3 are spliced into a shell h, and mounting cavities are arranged between the first end shell h1 and the middle shell h2, between adjacent middle shells h2 and between the middle shell h2 and the second end shell h 3; the middle shell h2 is a partition wall structure. The shell h is of a split mounting type structure, so that the shell h is convenient to assemble and disassemble, and is also convenient to maintain and replace a single protection module.

As shown in fig. 2, the intermediate housing h2 includes a telecommand component slot for accommodating the telecommand component 5, and an input terminal slot for accommodating an input terminal, a protection component slot for accommodating the protection component 1, and an output terminal slot for accommodating an output terminal, which are sequentially arranged side by side along a length direction of the intermediate housing h2, wherein the telecommand component slot and the input terminal slot are arranged side by side along a height direction of the intermediate housing h2 and the telecommand component slot and the input terminal slot are located at one side of the protection component slot; middle casing h2 is including setting up casing insulation system h01 between protection component groove and output terminal groove, and casing insulation system h01 is equipped with the nut holding tank, and the electrode as the output of protection component 1 passes through the nut and the bolt links to each other with parallelly connected current conducting plate 8, and the nut is spacing to be set up in the nut holding tank.

As shown in fig. 1-4, a first embodiment of the multi-pole surge protector of the present invention is shown.

As shown in fig. 1 to 3, the multi-pole surge protector of the first embodiment includes two installation cavities disposed in a housing h, a partition wall structure is disposed between the two installation cavities, a group of protection modules is disposed in each of the two installation cavities, one group of protection modules is an L-N pole protection module, and the other group of protection modules is an N-PE pole protection module; each group of protection modules comprises protection elements, and the electrodes of the two protection elements as output ends are electrically connected with the parallel conductive plates 8.

As shown in fig. 1, in the multipolar surge protector of the first embodiment, the housing h includes a first end housing h1, an intermediate housing h2 and a second end housing h3 which are sequentially spliced together, and a mounting cavity is respectively provided between the first end housing h1 and the intermediate housing h2 and between the intermediate housing h2 and the second end housing h 3. Further, the L-N pole protection module is positioned between the second end shell h3 and the middle shell h2; the N-PE pole protection module is positioned between the middle shell h2 and the first end shell h 1.

The protection element of the L-N pole protection module is a second protection element 1a, such as a pressure sensitive element or the like.

The protection element of the N-PE pole protection module is a first protection element 1b, such as a gas discharge tube or an air gap.

As shown in fig. 3-4, is an embodiment of the N-PE pole protection module.

As shown in fig. 3 to 4, the N-PE electrode protection module includes a first protection element 1b, an N-PE electrode input terminal 3b, and an N-PE electrode output conductive plate 5b, where the first protection element 1b includes a first protection element main body 1-0b, and a first input terminal electrode 1-1b and a first output terminal electrode 1-2b respectively disposed at two ends of the first protection element main body 1-0 b; the N-PE input terminal 3b includes an N-PE input terminal plate 3-0b, the N-PE input terminal plate 3-0b is connected to the first input terminal electrode 1-1b, and the first output terminal electrode 1-2b is connected to the parallel conductive plate 8 through an N-PE output conductive plate 5 b. Furthermore, the N-PE pole input terminal 3b further comprises an N-PE pole input wiring frame 3-1b and an N-PE pole input wiring screw 3-2b, and the N-PE pole wiring board 3-0b is further inserted into the N-PE pole input wiring frame 3-1b to be matched with the N-PE pole input wiring frame.

As shown in fig. 3-4, the N-PE input terminal plate 3-0b is riveted to the first input terminal electrode 1-1b, and a gap at the riveted portion between the N-PE input terminal plate 3-0b and the first input terminal electrode 1-1b is filled with a weld metal, so that the connection strength between the two is ensured, the contact between the two is more reliable, and the flow rate of 10/350 μ s 100KA or more can be borne.

As shown in fig. 3-4, the first output terminal electrode 1-2b is riveted to the N-PE output conductive plate 5b, and the gap at the riveted position of the first output terminal electrode 1-2b and the N-PE output conductive plate 5b is filled with welding metal, so that the connection strength between the first output terminal electrode and the N-PE output conductive plate is ensured, the contact between the first output terminal electrode and the N-PE output conductive plate is more reliable, and the current capacity of 10/350 μ s 100KA or more can be borne. Furthermore, the N-PE pole output conducting plate 5b and the parallel conducting plate 8 are fixedly connected through a nut and a bolt, so that the connection operation is simple and the connection is reliable.

As shown in fig. 3 to 4, the multipolar surge protector of the first embodiment includes a common output terminal including a common terminal frame 9-0 and common terminal screws 9-1, the parallel conductive plate 8 includes a parallel conductive plate main plate 8-0 and a common terminal plate 8-1, and the common terminal plate 8-1 is connected at one end to the parallel conductive plate main plate 8-0 and is fitted with the common terminal frame 9-0 with the other end interposed therebetween. Further, the common output terminal and the N-PE pole protection module are arranged in the same installation cavity.

As shown in fig. 3-4, the parallel conductive plates 8 are of an integral structure. Further, the parallel conductive plate 8 is formed by cutting and bending a metal plate.

As shown in fig. 2, 6-7, is an embodiment of the L-N pole protection module.

As shown in fig. 2, 6-7, the L-N pole protection module comprises a second protection element 1a, a thermal release mechanism 2a, an L-N pole input terminal 4a and a remote signaling component 5a in trigger fit with the thermal release mechanism 2 a; the second protection element 1a comprises a second protection element main body 1-2a, and a second input end electrode 1-0a and a second output end electrode 1-1a which are respectively arranged at two ends of the second protection element main body 1-2 a; the L-N input terminal 4a includes an L-N input terminal plate 4-0a, the L-N input terminal plate 4-0a is electrically connected to a second input terminal electrode 1-0a through a thermal release mechanism 2a, and the second output terminal electrode 1-1a is connected to a parallel conductive plate 8. Furthermore, the L-N pole input terminal 4a also comprises an L-N pole input wiring frame 4-1a and an L-N pole input wiring screw 4-2a, and the L-N pole input wiring board 4-0a is also inserted into the L-N pole input wiring frame 4-1a to be matched with the L-N pole input wiring frame.

As shown in fig. 2 and 7, the second output terminal electrode 1-1a and the parallel conductive plate 8 are fixedly connected through a nut and a bolt, so that the connection operation is simple and the connection is reliable. Further, as shown in fig. 2, the housing h2 includes a housing insulation structure h01, the nut and the second protection element main body 1-2a are respectively located at two sides of the housing insulation structure h01, and the nut is limited and disposed in a nut accommodating groove of the housing insulation structure h01 to prevent the nut from rotating along with the bolt.

As shown in fig. 6, the thermal release mechanism 2a comprises a support frame 2-0a, a push rod 2-2a, an indicator 2-1a, a conductive sheet 2-3a arranged on the push rod 2-2 and acting synchronously with the push rod 2-2, and a push rod driver 2-4a; the supporting frame 2-0a comprises a supporting frame transverse part and a supporting frame vertical part which are connected in a bending mode, the push rod 2-2a is arranged on the supporting frame vertical part in a sliding mode, one end of the indicating piece 2-1a is arranged on the supporting frame transverse part in a sliding mode, and the other end of the indicating piece 2-1a is connected with the push rod 2-2 a; the conducting strip 2-3a is connected with a second input end electrode 1-0a of the second protection element 1a through low-temperature alloy welding (at the moment, the second protection element 1a is in a normal working state) and is connected with an L-N pole input wiring board 4-0a through a connecting wire, and the indicating piece 2-1a is located at a first position; after the low-temperature alloy is heated and melted, the push rod driving piece 2-4a drives the push rod 2-2a to slide so that the push rod drives the conducting piece 2-3a to be separated from the second input end electrode 1-0a and drives the indicating piece 2-1a to slide to a second position (at the moment, the second protection element 1a is in a deterioration or fault state), and the push rod 2-2a triggers the remote signaling component 5a. Further, as shown in fig. 6, after the low-temperature alloy is heated and melted, the push rod driving member 2-4a drives the push rod 2-2a to slide in a direction away from the transverse portion of the support frame (the push rod 2-2a preferably slides downwards).

The thermal separation and indication mechanism is simple in structure, compact in layout and simple in structure of the supporting frame, is beneficial to saving assembly space and accords with the miniaturization development trend of the surge protector; the action is stable and reliable, and the indicator 2-1a moves from the first position to the second position, so that the current state of the second protection element 1a can be intuitively and accurately reflected.

As shown in figure 6, one end of the push rod 2-2a is connected with the indicator 2-1a, and the other end is in triggering fit with the remote signaling component 5a. Specifically, as shown in the direction of fig. 6, the upper end of the push rod 2-2a is connected with the indicator 2-1a, and the lower end is used for triggering and matching the remote signaling component 5a.

As shown in fig. 6, the vertical portion of the support frame further includes a vertical portion insertion hole, the second protection element 1a is located on one side of the vertical portion of the support frame, the push rod 2-2a and the conducting strip 2-3a are located on the other side of the vertical portion of the support frame, and the second input end electrode 1-0a penetrates through the vertical portion insertion hole and then is arranged side by side with the conducting strip 2-3a and is connected with the conducting strip 2-3a through low-temperature alloy welding.

Preferably, the indicator 2-1a is at least partially a flexible structure extending from a transverse portion of the support frame to a vertical portion of the support frame. Further, the flexible structure is a flexible belt or a flexible chain. For example: the indicating piece 2-1a comprises a rigid indicating part and a flexible structure, the indicating part is arranged on the transverse part of the supporting frame in a sliding mode, one end of the flexible structure is connected with the indicating part, the other end of the flexible structure is connected with the push rod 2-2a, and the flexible structure is arranged close to the supporting frame 2-0a in a clinging mode. Or the indicating piece 2-1a comprises a rigid indicating part, a flexible structure and a rigid connecting part which are sequentially connected, the indicating part is arranged on the transverse part of the support frame in a sliding mode, and the connecting part is connected with the push rod 2-2 a. Further, the flexible structure may be a flexible chain, a strip-shaped plastic sheet or a cloth strip with elasticity, or the like.

As shown in fig. 2, the middle housing h2 is provided with an indication hole h00 to be engaged with the indication member 2-1 a.

As shown in fig. 6, the push rod driving member 2-4a is a push rod pressure spring, one end of the push rod pressure spring is matched with the supporting frame 2-0a, and the other end of the push rod pressure spring is matched with the push rod 2-2 a. Of course, the push rod driving part 2-4a can also be a tension spring, a spring piece and the like, as long as the push rod 2-2a is driven to drive the conducting strip 2-3a to slide along the vertical part 2m of the support frame when the low-temperature alloy is melted.

As shown in fig. 2, the remote signaling assembly 5a comprises a remote signaling terminal 5-0a, a remote signaling circuit board 5-1a and a microswitch 5-2a, the microswitch 5-2a and the remote signaling terminal 5-0a are respectively connected with the remote signaling circuit board 5-1a, the microswitch 5-2a and the L-N pole protection module are arranged in the same installation cavity, a push rod 2-2a of the thermal release mechanism 2a is matched with a drive rod of the microswitch 5-2a, and the push rod 2-2a presses against the drive rod to trigger the microswitch 5-2a.

The assembly process of the multi-pole surge protector of the first embodiment will be described below with reference to fig. 1 to 4:

1. preparation work

1. The N-PE pole protection module:

the first input terminal electrode 1-1b of the first protection element 1b is riveted with the N-PE electrode input terminal plate 3-0b and a welding metal (such as solder) is filled in a gap at the riveted part, and the first output terminal electrode 1-2b is riveted with the N-PE electrode output conductive plate 5b and a welding metal is filled in a gap at the riveted part.

2. The L-N pole protection module:

a. the conducting strip 2-3a of the thermal release mechanism is connected with the L-N pole input wiring board 4-0a through a connecting wire, and two ends of the connecting wire are respectively welded with the conducting strip 2-3a and the L-N pole input wiring board 4-0 a.

b. And a second input end electrode 1-0a of the second protection element 1a penetrates through a vertical part jack of the support frame 2-0a, and then is connected with the conducting strip 2-3 in parallel and welded by low-temperature metal (such as soldering tin).

c. The push rod driving part 2-4a, the push rod 2-2a and the indicating part 2-1a are respectively installed in place.

d. The microswitch 5-2a and the remote signaling terminal 5-0a are respectively welded on the remote signaling circuit board 5-1 a.

2. Assembling step

1. The N-PE pole protection module is placed on the first end shell h1, the parallel current conducting plate 8 is connected with the N-PE output current conducting plate 5b through a nut and a bolt, the common wiring terminal is assembled with a common wiring board 8-1 of the parallel current conducting plate 8, the middle shell h2 is buckled on the first end shell h1, and a parallel current conducting plate mainboard 8-0 of the parallel current conducting plate 8 penetrates through the middle shell h2 to enter a mounting cavity between the second end shell h3 and the middle shell h2.

2. The L-N pole protection module is arranged on the middle shell h2, and a second output end electrode 1-1a of the second protection element 1a is connected with a parallel current conducting plate main board 8-0 of the parallel current conducting plate 8 through a nut and a bolt; the remote signaling assembly 5a is installed on the middle housing h2, and the second end housing h3 is buckled on the middle housing h2.

As shown in fig. 5-7, a second embodiment of the multi-pole surge protector of the present invention is shown.

The second embodiment differs from the multipole surge protector of the first embodiment in that:

the two installation cavities of the shell h are respectively provided with an L-N pole protection module, remote signaling components 5a of the two L-N pole protection modules share a remote signaling terminal 5-0a and a remote signaling circuit board 5-1a, and the remote signaling circuit board 5-1a is arranged in the shell h and penetrates through a middle shell h2 of the shell h.

The common output terminal and an L-N pole protection module are positioned in a mounting cavity.

And the first shell h1 and the middle shell h2 are respectively provided with an indicating hole h00 correspondingly matched with an indicating piece 2-1a of the corresponding thermal release mechanism 2a.

The foregoing is a more detailed description of the present invention, taken in conjunction with specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments thereof. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims (11)

1. A multi-pole surge protector comprises a shell (h), wherein a plurality of installation cavities are arranged in the shell (h), a partition wall structure is arranged between every two adjacent installation cavities, a group of protection modules are arranged in each installation cavity, each group of protection modules are L-N pole protection modules or N-PE pole protection modules, and each group of protection modules comprises a protection element; the method is characterized in that: the multi-pole surge protector also comprises parallel conductive plates (8) which are arranged in the shell (h) and cross the partition wall structures, and electrodes of the protection elements serving as output ends are electrically connected with the parallel conductive plates (8).

2. The multipole surge protector of claim 1, wherein: the multipole surge protector comprises at least one common output terminal, the common output terminal comprises a common wiring frame (9-0) and common wiring screws (9-1), the parallel conductive plate (8) comprises a parallel conductive plate main board (8-0) and at least one common wiring board (8-1), one end of the common wiring board (8-1) is connected with the parallel conductive plate main board (8-0), and the other end of the common wiring board is inserted into the common wiring frame (9-0) to be matched with the common wiring frame; the parallel conductive plates (8) are of an integrated structure.

3. The multipole surge protector of claim 1, wherein: the multipole surge protector comprises a plurality of L-N pole protection modules which are sequentially arranged side by side, each L-N pole protection module comprises a thermal release mechanism (2 a) and a remote signaling assembly (5 a) in driving fit with the thermal release mechanism (2 a), each remote signaling assembly (5 a) comprises a remote signaling circuit board (5-1 a) and a remote signaling terminal (5-0 a) used for communicating with external equipment, and the remote signaling circuit board (5-1 a) transversely penetrates through a partition wall structure between adjacent L-N pole protection modules.

4. A multipole surge protector according to claim 3 in which: each remote signaling assembly (5 a) further comprises a micro switch (5-2 a) which is in driving fit with the thermal release mechanism (2 a) of each L-pole protection module, and the micro switch (5-2 a) and the remote signaling terminal (5-0 a) are connected with the remote signaling circuit board (5-1 a) respectively.

5. The multipole surge protector of claim 1, wherein: the protection element of the N-PE electrode protection module is a first protection element (1 b), and the first protection element (1 b) comprises a first protection element main body (1-0 b) and a first input end electrode (1-1 b) and a first output end electrode (1-2 b) which are respectively arranged at two ends of the first protection element main body (1-0 b); the N-PE electrode protection module further comprises an N-PE electrode input terminal (3 b) and an N-PE electrode output conducting plate (5 b), the N-PE electrode input terminal (3 b) comprises an N-PE electrode input wiring board (3-0 b), the N-PE electrode input wiring board (3-0 b) is connected with the first input end electrode (1-1 b), and the first output end electrode (1-2 b) is connected with the parallel conducting plate (8) through the N-PE electrode output conducting plate (5 b).

6. The multipole surge protector of claim 5, wherein: the N-PE electrode input wiring board (3-0 b) is connected with the first input end electrode (1-1 b) in a riveting mode, and welding metal is filled in gaps at the riveting position of the N-PE electrode input wiring board (3-0 b) and the first input end electrode (1-1 b).

7. The multipole surge protector of claim 5, wherein: the first output end electrode (1-2 b) is riveted with the N-PE output conducting plate (5 b), and welding metal is filled in a gap at the riveted part of the first output end electrode (1-2 b) and the N-PE output conducting plate (5 b); and the N-PE pole output conductive plate (5 b) and the parallel conductive plate (8) are fixedly connected through a nut and a bolt.

8. The multipole surge protector of claim 3, wherein: the protection element of the L-N electrode protection module is a second protection element (1 a) which comprises a second protection element main body (1-2 a) and a second input end electrode (1-0 a) and a second output end electrode (1-1 a) which are respectively arranged at two ends of the second protection element main body (1-2 a); the L-N pole protection module further comprises an L-N pole input terminal (4 a), the L-N pole input terminal (4 a) comprises an L-N pole input wiring board (4-0 a), the L-N pole input wiring board (4-0 a) is electrically connected with a second input end electrode (1-0 a) through a thermal release mechanism (2 a), and the second output end electrode (1-1 a) is connected with a parallel conductive plate (8); and the second output end electrode (1-1 a) is fixedly connected with the parallel conductive plate (8) through a nut and a bolt.

9. The multipole surge protector of claim 8, wherein: the thermal separation mechanism (2 a) comprises a support frame (2-0 a), a push rod (2-2 a), an indicator (2-1 a), a conducting strip (2-3 a) which is arranged on the push rod (2-2 a) and acts synchronously with the push rod (2-2 a), and a push rod driving piece (2-4 a);

the supporting frame (2-0 a) comprises a supporting frame transverse part and a supporting frame vertical part which are connected in a bending mode, the push rod (2-2 a) is arranged on the supporting frame vertical part in a sliding mode, one end of the indicating piece (2-1 a) is arranged on the supporting frame transverse part in a sliding mode, and the other end of the indicating piece is connected with the push rod (2-2 a); the conducting strip (2-3 a) is connected with a second input end electrode (1-0 a) of the second protection element (1 a) through low-temperature alloy welding, and the indicating piece (2-1 a) is located at a first position; after the low-temperature alloy is heated and melted, the push rod driving piece (2-4 a) drives the push rod (2-2 a) to slide so that the push rod drives the conducting piece (2-3 a) to be separated from the second input end electrode (1-0 a) and drives the indicating piece (2-1 a) to slide to a second position, and the push rod (2-2 a) triggers the remote signaling component (5 a).

10. The multipole surge protector of claim 1, wherein: the shell (h) comprises a first end shell (h 1) and a second end shell (h 3) which are respectively positioned at two ends of the shell (h), and at least one middle shell (h 2) which is arranged between the first end shell (h 1) and the second end shell (h 3); the first end shell (h 1), the middle shell (h 2) and the second end shell (h 3) are spliced into a shell (h), and installation cavities are formed between the first end shell (h 1) and the middle shell (h 2), between adjacent middle shells (h 2) and between the middle shell (h 2) and the second end shell (h 3); the middle shell (h 2) is of a partition wall structure.

11. The multipole surge protector of claim 10, wherein: the middle shell (h 2) comprises a telecommand component groove for accommodating a telecommand component (5 a), an input terminal groove for accommodating an input terminal, a protection component groove for accommodating a protection component (1) and an output terminal groove for accommodating an output terminal, wherein the input terminal groove, the protection component groove and the output terminal groove are sequentially arranged in parallel along the length direction of the middle shell (h 2), the telecommand component groove and the input terminal groove are arranged in parallel along the height direction of the middle shell (h 2), and the telecommand component groove and the input terminal groove are positioned on one side of the protection component groove; middle casing (h 2) is including setting up casing insulation system (h 01) between protection component groove and output terminal groove, and casing insulation system (h 01) is equipped with the nut holding tank, and the electrode as the output of protection component (1) passes through the nut and the bolt links to each other with parallelly connected current conducting plate (8), and the nut is spacing to be set up in the nut holding tank.

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