CN213151717U - Surge protector - Google Patents

Abstract

The invention relates to a surge protector, which comprises a module head component and a base component and is characterized by also comprising an intelligent box, wherein the module head component is connected with the base component; the intelligent box is arranged in the module head assembly or the base assembly; the module head assembly comprises a module head, the module head comprises a shell, the shell comprises a fuse protector, a lightning protection element, a tripping mechanism and a fusing alarm unit, the fuse protector, the lightning protection element and the tripping mechanism are sequentially and electrically connected, and the fusing alarm unit is connected with the fuse protector in parallel; a trip mechanism. The invention has the beneficial effects that: the device is provided with a tripping mechanism, a tripping monitoring module and a communication module which are used cooperatively, so that tripping local alarm and remote alarm functions are realized; the service life early warning module of the lightning protection element is arranged, and the deterioration condition and the residual service life of the surge protector are predicted by monitoring temperature data acquired by the temperature sensor; the whole monitoring precision is high, the response is sensitive, and the surge protection device can be timely separated from the circuit, so that the dual functions of monitoring, alarming, controlling and preventing are realized.

Description

Surge protector

Technical Field

The invention belongs to the technical field of distribution equipment, and relates to a surge protector.

Background

Surge Protectors (SPDs) are devices used for surge protection of power and signal devices, and are indispensable devices in low-voltage power distribution systems.

At present, in a low-voltage distribution environment, a voltage-limiting surge protector is most commonly used, and a piezoresistor with the advantages of quick response, low residual voltage, high impact resistance and the like is adopted as a lightning protection element for surge protection. However, the characteristics of the piezoresistor have the defects of easy deterioration, unstable deterioration state, discontinuous resistance value change and the like, so that the piezoresistor is deteriorated after multiple lightning strokes or surge impacts, leakage current is generated, and heat is generated at the same time; the piezoresistor may cause fire and other dangers due to conduction and heating; in the prior art, a thermal tripping device based on the principle that low-temperature solder meets high-temperature melting is arranged at a pin of a piezoresistor, when the piezoresistor generates heat, the temperature is transferred to a low-temperature welding point, the solder melts to enable a thermal tripping mechanism connected with the welding point to act, and then a piezoresistor channel is broken to enable a circuit to be separated from danger; the existing surge protector (surge protector) can only realize tripping local alarm and does not have the tripping remote alarm function;

at present, a surge protector (surge protector) is not provided with an intelligent box, and also has a tripping remote alarm function, so that people can monitor the state of the surge protector accurately and realize tripping alarm.

Disclosure of Invention

The invention aims to provide a surge protector, which aims to solve the problems of the existing surge protector and is provided with a tripping mechanism, a tripping monitoring module and a communication module which are used in a matching way, so that the tripping local alarm and remote alarm functions are realized; the fusing alarm unit, the fusing monitoring module and the communication module are used in a matched mode, so that fusing local alarm and remote alarm functions are achieved; the service life early warning module of the lightning protection element is arranged, and the deterioration condition and the residual service life of the surge protector are predicted by monitoring temperature data acquired by the temperature sensor; the whole monitoring precision is high, the response is sensitive, and the surge protection device can be timely separated from the circuit, so that the dual functions of monitoring, alarming, controlling and preventing are realized.

In order to achieve the above object, an embodiment of the present invention provides a surge protector, which includes a module head assembly, a base assembly, and an intelligent box, wherein the module head assembly is connected to the base assembly; the smart box is disposed within the modular head assembly or the base assembly;

the module head assembly comprises a module head, the module head comprises a shell, a lightning protection element and a tripping mechanism are arranged in the shell, and the lightning protection element and the tripping mechanism are electrically connected;

a circuit board is arranged in the intelligent box, a tripping monitoring module, a communication module and an MCU module are arranged on the circuit board, the tripping mechanism is connected with the tripping monitoring module, and the tripping monitoring module and the communication module are both connected with the MCU module;

and the tripping monitoring module is used for receiving a tripping alarm signal sent by the tripping mechanism and sending the tripping alarm signal to the MCU module.

Furthermore, detachable connecting structures are symmetrically arranged on two opposite sides of the intelligent box shell; the detachable connecting structure comprises a clamping part and a fixing part, a gap is formed between the fixing part and the clamping part, and a clamping bulge is arranged on the clamping part;

the fixing part is arranged on a top plate of the intelligent box shell, and the clamping part is arranged on a side wall of the intelligent box shell.

Further, still include fuse, fusing alarm unit in the casing, the fuse lightning protection component tripping mechanism electricity in proper order connects, fusing alarm unit with the fuse is parallelly connected, sends fusing alarm signal.

Furthermore, a fusing monitoring module is also arranged on the circuit board and is connected with the fusing alarm unit;

the fusing monitoring module and the communication module are both connected with the MCU module;

the fusing monitoring module is used for receiving a fusing alarm signal sent by the fusing alarm unit and sending the fusing alarm signal to the MCU module;

the MCU module is used for receiving the alarm signals of the fusing monitoring module and the tripping monitoring module, analyzing and processing the received alarm signals to determine the working state of the surge protector, and sending the analyzed and processed data to the communication module;

the communication module is in communication connection with the upper computer to realize remote alarm.

Further, tripping device includes ejector pin, water conservancy diversion reposition of redundant personnel subassembly and panel turnover mechanism, water conservancy diversion reposition of redundant personnel subassembly includes welding frame and connecting piece, the connecting piece sets up in welding frame, the connecting piece with the ejector pin is connected, the ejector pin with panel turnover mechanism contact is connected.

Furthermore, the tripping monitoring module comprises a travel switch, and the ejector rod is in contact connection with the travel switch;

when the surge protector has fault current, the piezoresistor heats, the temperature is transmitted to a welding flux, the welding frame is tripped, and the ejector rod drives the turning plate to turn over, so that local tripping alarm is realized;

the ejector rod triggers the travel switch to alarm, the travel switch is connected with the MCU module, and the MCU module realizes tripping remote alarm through the communication module.

Furthermore, the connecting piece is detachably connected with the ejector rod;

the end part of one side of the connecting piece is provided with an assembling groove, the ejector rod is correspondingly provided with an assembling bulge, and the assembling bulge is assembled in the assembling groove in a sliding mode to connect the connecting piece and the ejector rod.

Furthermore, the connecting piece, the ejector rod and the turning plate are all arranged on a guide support, the turning plate is rotatably connected with the top end of the guide support, a slide way is arranged in the guide support, and the ejector rod is in sliding connection with the slide way.

Furthermore, the fusing alarm unit is connected with the fuse in parallel, the fusing alarm unit sends a fusing alarm signal, the fusing monitoring module receives the fusing alarm signal and sends the fusing alarm signal to the MCU module, and the MCU module realizes remote alarm through the communication module.

Further, the fusing alarm unit comprises a first fusing alarm lamp, and the first fusing alarm lamp is connected with the fuse in parallel;

the fusing monitoring module comprises a second fusing alarm lamp and a photosensitive sensor, the second fusing alarm lamp is connected with the first fusing alarm lamp in parallel or in series, and the second fusing alarm lamp faces the photosensitive sensor;

the fuse is fused, the first fusing alarm lamp and the second fusing alarm lamp emit light, and the first fusing alarm lamp gives an alarm to realize local fusing alarm;

the second fusing alarm lamp emits light, the photosensitive sensor detects a light emitting signal of the second fusing alarm lamp, converts the light emitting signal into an electric signal and sends the electric signal to the MCU module, and the MCU module realizes fusing remote alarm through the communication module.

Further, the module head further comprises a temperature sensor, and the temperature sensor is arranged in the lightning protection element.

Furthermore, a lightning protection element life early warning module is arranged on the circuit board, and the lightning protection element life early warning module predicts the life of the lightning protection element according to the temperature condition of the monitoring lightning protection element;

the lightning protection element life early warning module comprises a thermosensitive element and a probe, the temperature sensor, the thermosensitive element and the probe are sequentially connected, the temperature sensor monitors temperature data of the lightning protection element and transmits the temperature data to the probe through the thermosensitive element, the probe is connected with the MCU module, and the MCU module realizes remote alarm of the service life of the lightning protection element through the communication module.

The invention relates to a surge protector, which has the beneficial effects that: the invention is provided with a tripping mechanism, a tripping monitoring module and a communication module which are used cooperatively, thereby realizing the functions of tripping local alarm and remote alarm; the fusing alarm unit, the fusing monitoring module and the communication module are used in a matched mode, so that fusing local alarm and remote alarm functions are achieved; the service life early warning module of the lightning protection element is arranged, and the deterioration condition and the residual service life of the surge protector are predicted by monitoring temperature data acquired by the temperature sensor; the whole monitoring precision is high, the response is sensitive, and the surge protection device can be timely separated from the line, so that the double functions of monitoring, alarming, controlling and preventing are realized; the convenience of on-site installation and debugging of the product is improved, and the safety of on-site workers is further ensured.

Drawings

Fig. 1 is a block diagram of a surge protector provided in embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram of a surge protector with a smart box disposed in an upper base assembly according to embodiment 1 of the present invention;

fig. 3 is a schematic structural diagram of a smart box provided in embodiment 1 of the present invention;

fig. 4 is a schematic structural diagram of a trip mechanism provided in embodiment 2 of the present invention;

fig. 5 is a schematic structural view of a connecting member and a carrier rod according to embodiment 3 of the present invention;

fig. 6 is a schematic structural view of a trip mechanism and a guide bracket according to embodiment 3 of the present invention;

fig. 7 is a block diagram of a surge protector provided in embodiment 4 of the present invention;

fig. 8 is a schematic structural diagram of a module head according to embodiment 4 of the present invention;

FIG. 9 is a schematic structural diagram of a fuse monitoring module according to embodiment 5 of the present invention;

fig. 10 is a block diagram showing a configuration of a surge protector according to embodiment 6 of the present invention;

fig. 11 is a schematic structural diagram of a life warning module of a lightning protection element according to embodiment 6 of the present invention;

fig. 12 is a schematic structural diagram of an intelligent box according to embodiment 6 of the present invention;

fig. 13 is a block diagram of an embodiment 7 of the present invention;

fig. 14 is a block diagram of a shielding box according to embodiment 8 of the present invention;

fig. 15 is a schematic structural diagram of an intelligent box according to embodiment 8 of the present invention;

fig. 16 is a schematic structural view of a detachable connection structure according to embodiment 8 of the present invention;

fig. 17 is a schematic structural view of a clip portion according to embodiment 8 of the present invention;

wherein, figure 17(a) is that the cross section of the clamping bulge is a right trapezoid, and a continuous groove is arranged in the friction area; FIG. 17(b) shows a right triangle cross section of the engaging protrusion, and a continuous protrusion may be provided in the friction region;

fig. 18 is a schematic view of an installation structure of the first shield box and the second shield box according to embodiment 8 of the present invention;

fig. 19 is a schematic structural diagram of a circuit board according to embodiment 8 of the present invention.

In the figure: 1. an intelligent box 1-1, a shell 1-1-1, a top plate 1-1-2, a side wall 1-2, a circuit board 1-2-1, a fusing monitoring module 1-2-1-1, a second fusing alarm lamp 1-2-1-2, a photosensitive sensor 1-2-2, a tripping monitoring module 1-2-3, a lightning protection element life warning module 1-2-3-1, a thermosensitive element 1-2-3-2, a probe 1-2-4, a power supply module 1-2-5, a communication module 1-3, a shielding box 1-3, a first shielding box 1-3-1, a first shielding box 1-3-2 and a second shielding box, 1-4 parts of detachable connecting structure, 1-4-1 parts of clamping part, 1-4-1-1 parts of clamping protrusion, 1-4-1-2 parts of connecting plate, 1-4-1-3 parts of clamping plate, 1-4-1-4 parts of pressing plate, 1-4-1-5 parts of friction area, 1-4-1-5-1 parts of recess, 1-4-1-5-2 parts of protrusion, 1-4-1-6 parts of convex edge, 1-4-2 parts of fixing part, 1-4-2-1 parts of pressing groove, 1-4-1-1 parts of protrusion inclined surface, 1-4-1-1-2 parts of protrusion vertical surface, 2 parts of clamping part, and the like, A surge protector 2-1, a module head assembly 2-1-1, a module head 2-1-1-1, a lightning protection element 2-1-1-2, a fuse protector 2-1-1-3, a fusing alarm unit 2-1-1-4, a welding frame 2-1-1-5, a mandril 2-1-1-5-1, an assembly bulge 2-1-1-6, a turnover plate 2-1-1-7, a pressure-sensitive electrode plate 2-1-1-8, a mandril welding pin 2-1-1-9, a touch rod 2-1-1-10, a temperature sensor 2-1-1-11 and a tripping mechanism, 2-1-1-12, a connecting piece, 2-1-1-12-1, an assembly groove, 2-2, a base component, 2-2-1, an upper base component, 2-2-2, a lower base component, 2-3, a module head shell, 4 and a welding frame.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. In the drawings, the positions of the described objects in the embodiments such as "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute positions of the described objects in the embodiments are changed, the relative positional relationships may be changed accordingly.

A surge protector according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

The surge protector 2 comprises a module head component 2-1, a base component 2-2 and an intelligent box 1, wherein the module head component 2-1 is connected with the base component 2-2; the intelligent box 1 is arranged in the module head component 2-1 or the base component 2-2;

the module head assembly 2-1 comprises a module head 2-1-1, the module head 2-1-1 comprises a module head shell 2-3, the module head shell 2-3 comprises a lightning protection element 2-1-1-1 and a tripping mechanism 2-1-1-11, and the lightning protection element 2-1-1-1 and the tripping mechanism 2-1-1-11 are electrically connected;

a circuit board 1-2 is arranged in a shell 1-1 of the intelligent box 1, a tripping monitoring module 1-2-2, a communication module 1-2-5 and an MCU module are arranged on the circuit board 1-2, a tripping mechanism 2-1-11 is connected with the tripping monitoring module 1-2-2, and the tripping monitoring module 1-2-2 and the communication module 1-2-5 are connected with the MCU module;

and the tripping monitoring module 1-2-2 is used for receiving a tripping alarm signal sent by the tripping mechanism 2-1-1-11 and sending the tripping alarm signal to the MCU module.

The integral structure is simple, the design is reasonable, and the tripping mechanism 2-1-1-11, the tripping monitoring module 1-2-2 and the communication module 1-2-5 which are used in a matched mode are arranged, so that the functions of tripping local alarm and remote alarm are realized;

a shielding box 1-3 is arranged between the shell 1-1 and the circuit board 1-2, and the circuit board 1-2 is fixed in the shielding box 1-3, so that the electromagnetic interference of the outside to the circuit board is reduced.

The two opposite sides of the shell 1-1 of the intelligent box 1 are symmetrically provided with detachable connecting structures 1-4; the detachable connecting structure 1-4 comprises a clamping part 1-4-1 and a fixing part 1-4-2, a gap is arranged between the fixing part 1-4-2 and the clamping part 1-4-1, and a clamping bulge 1-4-1-1 is arranged on the clamping part 1-4-1;

the fixing part 1-4-2 is arranged on a top plate 1-1-1 of the module head shell 2-3 of the intelligent box 1, and the clamping part 1-4-1 is arranged on a side wall 1-1-2 of the module head shell 2-3 of the intelligent box 1.

The shell 1-1 of the intelligent box 1 is provided with the detachable connecting structure 1-4, so that the intelligent box 1 is convenient to maintain, replace and debug, the circuit board 1-2 is reasonable in arrangement, and the volume occupied by the intelligent box 1 is reduced.

The fixed part 1-4-2 can also be provided with a pressing groove 1-4-2-1, the width of the pressing groove 1-4-2-1 is matched with the width of the clamping part 1-4-1, and the space and the direction of deformation of the reserved clamping part 1-4-1 of the reserved pressing clamping part 1-4-1 are further limited.

The fixing part 1-4-2 is arranged on the top plate 1-1-1 of the intelligent box shell 1-1, and the clamping part 1-4-1 is arranged on the side wall 1-1-2 of the intelligent box shell 1-1.

The clamping part 1-4-1 comprises a connecting plate 1-4-1-2, a clamping plate 1-4-1-3, a pressing plate 1-4-1-4, a connecting plate 1-4-1-2, a clamping plate 1-4-1-3 and a pressing plate 1-4-1-4 which are connected in sequence, and an included angle is formed by the connecting plate 1-4-1-2 and the clamping plate 1-4-1-3; the clamping connection plate 1-4-1-3 is provided with a clamping connection bulge 1-4-1-1.

The pressing plate 1-4-1-4 is provided with a friction area 1-4-1-5, the friction area 1-4-1-5 is internally provided with a continuous groove, the cross section of the groove is triangular, square, rectangular and circular arc, the friction area 1-4-1-5 is internally provided with a continuous bulge, the cross section of the bulge is triangular, square, rectangular and circular arc, and the friction area 1-4-1-5 is arranged to increase the friction force between fingers and the pressing plate 1-4-1-4 so as to be convenient for pressing and applying force.

The top end of the pressing plate 1-4-1-4 is provided with a convex edge 1-4-1-6, which is convenient for pressing and applying force.

The convex inclined plane 1-4-1-1-1 of the clamping protrusion 1-4-1-1 and the clamping plate 1-4-1-3 form an obtuse angle B, so that the intelligent box 1 can slide into a corresponding base or a corresponding module head along the convex inclined plane 1-4-1-1-1 to be provided with a clamping interface matched with the clamping protrusion 1-4-1-1.

The vertical surface 1-4-1-1-2 of the clamping bulge 1-4-1-1 is vertical to the clamping plate, and the clamping bulge 1-4-1-1 which slides into the clamping interface of the corresponding base component 2-2 or module head component 2-1 is prevented from sliding out of the clamping interface under the condition of not pressing the pressing plate to apply force.

The shielding box 1-3 comprises a first shielding box 1-3-1 and a second shielding box 1-3-2 which are connected; the first shielding box 1-3-1 and the second shielding box 1-3-2 both adopt box body structures, the side openings of the first shielding box 1-3-1 and the second shielding box 1-3-2 adopting the box body structures are not closed, the openings of the first shielding box 1-3-1 and the second shielding box 1-3-2 are opposite, the first shielding box 1-3-1 is arranged in the second shielding box 1-3-2, or the second shielding box 1-3-2 is arranged in the first shielding box 1-3-1, and the first shielding box 1-3-1 and the second shielding box 1-3-2 adopt anti-interference materials, so that the electromagnetic interference of the outside on a circuit board is reduced.

The module head shell 2-3 is also internally provided with a fuse 2-1-1-2, a fusing alarm unit 2-1-1-3, the fuse 2-1-1-2, a lightning protection element 2-1-1-1 and a tripping mechanism 2-1-1-11 which are electrically connected in sequence, and the fusing alarm unit 2-1-1-3 is connected with the fuse 2-1-1-2 in parallel to send a fusing alarm signal.

The circuit board 1-2 is also provided with a fusing monitoring module 1-2-1, and the fusing monitoring module 1-2-1 is connected with a fusing alarm unit 2-1-1-3;

the fusing monitoring module 1-2-1 and the communication module 1-2-5 are connected with the MCU module;

the fusing monitoring module 1-2-1 is used for receiving fusing alarm signals sent by the fusing alarm unit 2-1-1-3 and sending the fusing alarm signals to the MCU module;

the MCU module is used for receiving alarm signals of the fusing monitoring module 1-2-1 and the tripping monitoring module 1-2-2, analyzing and processing the received alarm signals to determine the working state of the surge protector, and sending the analyzed and processed data to the communication module 1-2-5;

and the communication module 1-2-5 is in communication connection with an upper computer to realize remote alarm.

The fusing alarm unit 2-1-1-3, the fusing monitoring module 1-2-1 and the communication module 1-2-5 are arranged to be used in a matched mode, so that fusing local alarm and remote alarm functions are achieved;

the fusing alarm unit 2-1-1-3 is connected with the fuse 2-1-1-2 in parallel, the fusing alarm unit 2-1-1-3 sends fusing alarm signals, the fusing monitoring module 1-2-1 receives the fusing alarm signals and sends the fusing alarm signals to the MCU module, and the MCU module realizes remote alarm through the communication module 1-2-5.

The fusing alarm unit 2-1-1-3 comprises a first fusing alarm lamp which is connected with the fuse 2-1-1-2 in parallel;

the fusing monitoring module 1-2-1 comprises a second fusing alarm lamp 1-2-1-1 and a photosensitive sensor 1-2-1-2, the second fusing alarm lamp 1-2-1-1 is connected with the first fusing alarm lamp in parallel or in series, and the second fusing alarm lamp 1-2-1-1 is arranged towards the photosensitive sensor 1-2-1-2;

the fuse 2-1-1-2 is fused, the first fusing alarm lamp and the second fusing alarm lamp 1-2-1-1 emit light, and the first fusing alarm lamp gives an alarm to realize local fusing alarm;

the second fusing alarm lamp 1-2-1-1 emits light, the photosensitive sensor 1-2-1-2 detects a light emitting signal of the second fusing alarm lamp 1-2-1-1, the light emitting signal is converted into an electric signal and sent to the MCU module, and the MCU module realizes fusing remote alarm by sending the electric signal to the communication module 1-2-5. The photosensitive sensor 1-2-1-2 may employ an optical coupler.

The tripping mechanism 2-1-1-11 comprises a flow guide and shunt assembly, an ejector rod 2-1-1-5 and a plate turnover mechanism 2-1-1-6, wherein the flow guide and shunt assembly is connected with the ejector rod 2-1-1-5; the ejector rod 2-1-1-5 is in contact connection with the plate turnover mechanism 2-1-1-6.

The diversion and flow distribution assembly comprises a welding frame 4 and connecting pieces 2-1-1-12, wherein the connecting pieces 2-1-1-12 are arranged in the welding frame 4, and the connecting pieces are connected with the ejector rods 2-1-1-5.

The tripping monitoring module 1-2-2 adopts a travel switch, and the ejector rod 2-1-1-5 is in contact connection with the travel switch;

the welding frame 4 of the tripping mechanism 2-1-1-11 is welded with a pressure-sensitive electrode plate 2-1-1-13 and a mandril welding foot 2-1-1-14 through welding materials, the surge protector 2 has fault current such as leakage current or power frequency short-circuit current, the lightning protection element 2-1-1-1 adopts a piezoresistor, the piezoresistor generates heat, the temperature is transmitted to the welding material welding point, the welding frame 4 is tripped, and the mandril 2-1-1-5 drives a turning plate to turn over, so that local tripping alarm is realized;

the ejector rod 2-1-1-5 triggers the travel switch to alarm, the ejector rod 2-1-1-5 is provided with a touch rod 2-1-1-9, the touch rod 2-1-1-9 triggers the travel switch to alarm, the travel switch is connected with the MCU module, and the MCU module realizes tripping remote alarm through the communication module 1-2-5.

The connecting piece 2-1-1-12 is detachably connected with the ejector rod 2-1-1-5;

the end part of one side of the connecting piece 2-1-1-12 is provided with an assembling groove 2-1-1-12-1, the ejector rod 2-1-1-5 is correspondingly provided with an assembling bulge 2-1-1-5-1, and the assembling bulge 2-1-1-5-1 is assembled in the assembling groove 2-1-1-12-1 in a sliding manner to connect the connecting piece 2-1-1-12 and the ejector rod 2-1-1-5.

The ejector rod 2-1-1-5 is detachably connected with the connecting piece 2-1-1-12; the connecting piece 2-1-1-12 is a poor conductor of heat such as bakelite, and plays a role in heat insulation to prevent the ejector rod 2-1-1-5 connected with the connecting piece 2-1-1-12 from deforming under heat.

The connecting piece 2-1-1-12, the ejector rod 2-1-1-5 and the plate turning mechanism 2-1-1-6 are all arranged on the guide support 2-1-1-13, the plate turning mechanism 2-1-1-6 is rotatably connected with the top end of the guide support 2-1-1-13, the slideway 2-1-1-13-1 is arranged in the guide support 2-1-1-13, and the ejector rod 2-1-1-5 is in sliding connection with the slideway 2-1-1-13-1.

When the temperature of the welding frame 4 is higher, the connecting pieces 2-1-1-12 are arranged in the welding frame 4, and the connecting pieces 2-1-1-12 are made of bakelite, are heat-resistant and are not easy to deform when heated.

The turnover mechanism 2-1-1-6 has two states of indication, green indicates the non-tripping state, and red indicates the tripping state.

When fault current such as leakage current and power frequency short circuit current occurs, the piezoresistor heats, heat is transferred to a welding point, welding flux at the welding point melts, the diversion shunt assembly is separated from the welding surface of the pressure-sensitive electrode plate and the welding leg of the ejector rod, namely, the action of the thermal trip device is completed, the connecting piece 2-1-1-12 is arranged in the welding frame 4, the connecting piece 2-1-1-12 is connected with the diversion shunt assembly and the ejector rod 2-1-1-5, the ejector rod 2-1-1-5 is in contact connection with the plate turnover mechanism 2-1-1-6, the ejector rod 2-1-1-5 slides upwards along the guide support to drive the plate turnover mechanism 2-1-1-6 to turn over, green display is changed into red display, and trip indication is realized.

The module head 2-1-1 also comprises a temperature sensor 2-1-1-10, and the temperature sensor 2-1-1-10 is arranged in the lightning protection element 2-1-1-1;

the lightning protection element life early warning module 1-2-3 comprises a thermosensitive element 1-2-3-1, a probe 1-2-3-2, a temperature sensor 2-1-1-10, the temperature sensor 2-1-1-10 monitors temperature data of the lightning protection element 2-1-1-1 and transmits the temperature data to the probe 1-2-3-2 through the temperature sensor 1-2-3-1, the probe 1-2-3-2 is connected with the MCU module, and the MCU module realizes remote alarm of the service life of the lightning protection element 2-1-1-1 through the communication module 1-2-5.

The heat-sensitive element 1-2-3-1 adopts a heat-sensitive copper sheet.

Example 1

Fig. 1 is a block diagram of a surge protector provided in embodiment 1 of the present invention; fig. 2 is a block diagram of a surge protector in which an intelligent box is disposed in a base assembly according to embodiment 1 of the present invention;

the surge protector 2 comprises a module head component 2-1, a base component 2-2 and an intelligent box 1, wherein the module head component 2-1 is connected with the base component 2-2; the intelligent box 1 is arranged in the base component 2-2; the base assembly 2-2 includes therein an upper base assembly 2-2-1 and a lower base assembly 2-2-2.

The module head assembly 2-1 comprises a module head 2-1-1, the module head 2-1-1 comprises a module head shell 2-3, the module head shell 2-3 comprises a lightning protection element 2-1-1-1 and a tripping mechanism 2-1-1-11, and the lightning protection element 2-1-1-1 and the tripping mechanism 2-1-1-11 are electrically connected;

fig. 3 is a schematic structural diagram of a smart box provided in embodiment 1 of the present invention;

a circuit board 1-2 is arranged in a shell 1-1 of the intelligent box 1, a tripping monitoring module 1-2-2, a communication module 1-2-5 and an MCU module are arranged on the circuit board 1-2, a tripping mechanism 2-1-11 is connected with the tripping monitoring module 1-2-2, and the tripping monitoring module 1-2-2 and the communication module 1-2-5 are connected with the MCU module;

and the tripping monitoring module 1-2-2 is used for receiving a tripping alarm signal sent by the tripping mechanism 2-1-1-11 and sending the tripping alarm signal to the MCU module.

The integral structure is simple, the design is reasonable, and the tripping mechanism 2-1-1-11, the tripping monitoring module 1-2-2 and the communication module 1-2-5 which are used in a matched mode are arranged, so that the functions of tripping local alarm and remote alarm are realized;

example 2

Fig. 4 is a schematic structural diagram of a trip mechanism provided in embodiment 2 of the present invention;

besides the technical scheme of the embodiment 1, the method also comprises the following technical scheme:

the tripping mechanism 2-1-1-11 comprises a flow guide and shunt assembly, an ejector rod 2-1-1-5 and a plate turnover mechanism 2-1-1-6, wherein the flow guide and shunt assembly is connected with the ejector rod 2-1-1-5; the ejector rod 2-1-1-5 is in contact connection with the plate turnover mechanism 2-1-1-6.

The diversion and flow distribution assembly comprises a welding frame 4 and connecting pieces 2-1-1-12, wherein the connecting pieces 2-1-1-12 are arranged in the welding frame 4, and the connecting pieces are connected with the ejector rods 2-1-1-5.

The tripping monitoring module 1-2-2 adopts a travel switch, and the ejector rod 2-1-1-5 is in contact connection with the travel switch;

the welding frame 4 of the tripping mechanism 2-1-1-11 is welded with a pressure-sensitive electrode plate 2-1-1-13 and a mandril welding foot 2-1-1-14 through welding materials, the surge protector 2 has fault current such as leakage current or power frequency short-circuit current, the lightning protection element 2-1-1-1 adopts a piezoresistor, the piezoresistor generates heat, the temperature is transmitted to the welding material welding point, the welding frame 4 is tripped, and the mandril 2-1-1-5 drives a turning plate to turn over, so that local tripping alarm is realized;

the ejector rod 2-1-1-5 is provided with a touch rod 2-1-1-9, the touch rod 2-1-1-9 triggers a travel switch to alarm, the travel switch is connected with an MCU module, and the MCU module realizes tripping remote alarm through a communication module 1-2-5.

Example 3

Fig. 5 is a schematic structural view of a connecting member and a carrier rod according to embodiment 3 of the present invention;

in addition to the technical solution of the embodiment 1, the following technical solutions are also included

The connecting piece 2-1-1-12 is detachably connected with the ejector rod 2-1-1-5;

the end part of one side of the connecting piece 2-1-1-12 is provided with an assembling groove 2-1-1-12-1, the ejector rod 2-1-1-5 is correspondingly provided with an assembling bulge 2-1-1-5-1, and the assembling bulge 2-1-1-5-1 is assembled in the assembling groove 2-1-1-12-1 in a sliding manner to connect the connecting piece 2-1-1-12 and the ejector rod 2-1-1-5.

The ejector rod 2-1-1-5 is detachably connected with the connecting piece 2-1-1-12; the connecting piece 2-1-1-12 is a poor conductor of heat such as bakelite, and plays a role in heat insulation to prevent the ejector rod 2-1-1-5 connected with the connecting piece 2-1-1-12 from deforming under heat.

Fig. 6 is a schematic structural view of a trip mechanism and a guide bracket according to embodiment 3 of the present invention;

the connecting piece 2-1-1-12, the ejector rod 2-1-1-5 and the plate turning mechanism 2-1-1-6 are all arranged on the guide support 2-1-1-13, the plate turning mechanism 2-1-1-6 is rotatably connected with the top end of the guide support 2-1-1-13, the slideway 2-1-1-13-1 is arranged in the guide support 2-1-1-13, and the ejector rod 2-1-1-5 is in sliding connection with the slideway 2-1-1-13-1.

When the temperature of the welding frame 4 is higher, the connecting pieces 2-1-1-12 are arranged in the welding frame 4, and the connecting pieces 2-1-1-12 are made of bakelite, are heat-resistant and are not easy to deform when heated.

The turnover mechanism 2-1-1-6 has two states of indication, green indicates the non-tripping state, and red indicates the tripping state.

When fault current such as leakage current and power frequency short circuit current occurs, the piezoresistor heats, heat is transferred to a welding point, welding flux at the welding point melts, the diversion shunt assembly is separated from the welding surface of the pressure-sensitive electrode plate and the welding leg of the ejector rod, namely, the action of the thermal trip device is completed, the connecting piece 2-1-1-12 is arranged in the welding frame 4, the connecting piece 2-1-1-12 is connected with the diversion shunt assembly and the ejector rod 2-1-1-5, the ejector rod 2-1-1-5 is in contact connection with the plate turnover mechanism 2-1-1-6, the ejector rod 2-1-1-5 slides upwards along the guide support to drive the plate turnover mechanism 2-1-1-6 to turn over, green display is changed into red display, and trip indication is realized.

Example 4

Fig. 7 is a block diagram of a surge protector provided in embodiment 4 of the present invention; fig. 8 is a schematic structural diagram of a module head according to embodiment 4 of the present invention;

in addition to the technical solutions of any of the embodiments 1 to 3, the following technical solutions are also included

The module head shell 2-3 is also internally provided with a fuse 2-1-1-2, a fusing alarm unit 2-1-1-3, the fuse 2-1-1-2, a lightning protection element 2-1-1-1 and a tripping mechanism 2-1-1-11 which are electrically connected in sequence, and the fusing alarm unit 2-1-1-3 is connected with the fuse 2-1-1-2 in parallel to send a fusing alarm signal.

The circuit board 1-2 is also provided with a fusing monitoring module 1-2-1, and the fusing monitoring module 1-2-1 is connected with a fusing alarm unit 2-1-1-3;

the fusing monitoring module 1-2-1 and the communication module 1-2-5 are connected with the MCU module;

the fusing monitoring module 1-2-1 is used for receiving fusing alarm signals sent by the fusing alarm unit 2-1-1-3 and sending the fusing alarm signals to the MCU module;

the MCU module is used for receiving alarm signals of the fusing monitoring module 1-2-1 and the tripping monitoring module 1-2-2, analyzing and processing the received alarm signals to determine the working state of the surge protector, and sending the analyzed and processed data to the communication module 1-2-5;

and the communication module 1-2-5 is in communication connection with an upper computer to realize remote alarm.

The fusing alarm unit 2-1-1-3, the fusing monitoring module 1-2-1 and the communication module 1-2-5 are arranged to be used in a matched mode, so that fusing local alarm and remote alarm functions are achieved;

example 5

FIG. 9 is a schematic structural diagram of a fuse monitoring module according to embodiment 5 of the present invention;

in addition to the technical solution of the embodiment 5, the following technical solutions are also included

The fusing alarm unit 2-1-1-3 is connected with the fuse 2-1-1-2 in parallel, the fusing alarm unit 2-1-1-3 sends fusing alarm signals, the fusing monitoring module 1-2-1 receives the fusing alarm signals and sends the fusing alarm signals to the MCU module, and the MCU module realizes remote alarm through the communication module 1-2-5.

The fusing alarm unit 2-1-1-3 comprises a first fusing alarm lamp which is connected with the fuse 2-1-1-2 in parallel;

the fusing monitoring module 1-2-1 comprises a second fusing alarm lamp 1-2-1-1 and a photosensitive sensor 1-2-1-2, the photosensitive sensor 1-2-1-2 can adopt an optical coupler, the second fusing alarm lamp 1-2-1-1 is connected with the first fusing alarm lamp in parallel or in series, and the second fusing alarm lamp 1-2-1-1 is arranged towards the photosensitive sensor 1-2-1-2;

the fuse 2-1-1-2 is fused, the first fusing alarm lamp and the second fusing alarm lamp 1-2-1-1 emit light, and the first fusing alarm lamp gives an alarm to realize local fusing alarm;

the second fusing alarm lamp 1-2-1-1 emits light, the photosensitive sensor 1-2-1-2 detects a light emitting signal of the second fusing alarm lamp 1-2-1-1, the light emitting signal is converted into an electric signal and sent to the MCU module, and the MCU module realizes fusing remote alarm by sending the electric signal to the communication module 1-2-5.

Example 6

Fig. 10 is a block diagram showing a configuration of a surge protector according to embodiment 6 of the present invention; fig. 11 is a schematic structural diagram of a life warning module of a lightning protection element according to embodiment 6 of the present invention; fig. 12 is a schematic structural diagram of an intelligent box according to embodiment 6 of the present invention;

in addition to the technical solutions of any of the embodiments 1 to 5, the following technical solutions are also included

The module head 2-1-1 also comprises a temperature sensor 2-1-1-10, and the temperature sensor 2-1-1-10 is arranged in the lightning protection element 2-1-1-1;

the lightning protection element life early warning module 1-2-3 comprises a thermosensitive element 1-2-3-1, a probe 1-2-3-2, a temperature sensor 2-1-1-10, the temperature sensor 2-1-1-10 monitors temperature data of the lightning protection element 2-1-1-1 and transmits the temperature data to the probe 1-2-3-2 through the temperature sensor 1-2-3-1, the probe 1-2-3-2 is connected with the MCU module, and the MCU module realizes remote alarm of the service life of the lightning protection element 2-1-1-1 through the communication module 1-2-5.

The heat-sensitive element 1-2-3-1 adopts a heat-sensitive copper sheet.

The circuit board 1-2 further comprises a power module 1-2-4 for supplying power to the intelligent box 1.

Example 7

Fig. 13 is a block diagram of an embodiment 7 of the present invention;

in addition to the technical solutions of any of embodiments 1 to 6, the following technical solutions are also included

The two opposite sides of the shell 1-1 of the intelligent box 1 are symmetrically provided with detachable connecting structures 1-4; the detachable connecting structure 1-4 comprises a clamping part 1-4-1 and a fixing part 1-4-2, a gap is arranged between the fixing part 1-4-2 and the clamping part 1-4-1, and a clamping bulge 1-4-1-1 is arranged on the clamping part 1-4-1;

the intelligent box 1 can be arranged on a base component 2-2 of the surge protector 2, and a clamping interface matched with the clamping bulge 1-4-1-1 is arranged on the corresponding base component. The clamping bulge 1-4-1-1 is driven to slide into or out of the clamping interface by pressing the clamping part 1-4-1, so that the intelligent box 1 is installed and disassembled.

The shell 1-1 of the intelligent box 1 is provided with the detachable connecting structure 1-4, so that the intelligent box 1 is convenient to maintain, replace and debug, the circuit board 1-2 is reasonable in arrangement, and the volume occupied by the intelligent box 1 is reduced.

Example 8

Besides the technical proposal of the embodiment 7, the method also comprises the following technical proposal:

fig. 14 is a block diagram of a shielding box according to embodiment 8 of the present invention;

a shielding box 1-3 is arranged between the intelligent box shell 1-1 and the circuit board 1-2, and the circuit board 1-2 is fixed in the shielding box 1-3.

Fig. 15 is a schematic structural diagram of an intelligent box according to embodiment 8 of the present invention; fig. 16 is a schematic structural view of a detachable connection structure according to embodiment 8 of the present invention;

the fixed part 1-4-2 can also be provided with a pressing groove 1-4-2-1, the width of the pressing groove 1-4-2-1 is matched with the width of the clamping part 1-4-1, and the space and the direction of deformation of the reserved clamping part 1-4-1 of the reserved pressing clamping part 1-4-1 are further limited.

The fixing part 1-4-2 is arranged on the top plate 1-1-1 of the intelligent box shell 1-1, and the clamping part 1-4-1 is arranged on the side wall 1-1-2 of the intelligent box shell 1-1.

Fig. 17 is a schematic structural view of a clip portion according to embodiment 8 of the present invention; FIG. 17(a) shows that the cross section of the clamping protrusion 1-4-1-1 is a right trapezoid, and a continuous groove 1-4-1-5-1 is arranged in the friction area 1-4-1-5; FIG. 17(b) shows a right triangle cross section of the engaging projection 1-4-1-1, and a continuous projection may be provided in the friction area 1-4-1-5;

the clamping part 1-4-1 comprises a connecting plate 1-4-1-2, a clamping plate 1-4-1-3, a pressing plate 1-4-1-4, a connecting plate 1-4-1-2, a clamping plate 1-4-1-3 and a pressing plate 1-4-1-4 which are connected in sequence, and an included angle is formed by the connecting plate 1-4-1-2 and the clamping plate 1-4-1-3; the clamping connection plate 1-4-1-3 is provided with a clamping connection bulge 1-4-1-1.

The pressing plate 1-4-1-4 is provided with a friction area 1-4-1-5, the friction area 1-4-1-5 is internally provided with a continuous groove, the cross section of the groove is triangular, square, rectangular and circular arc, the friction area 1-4-1-5 is internally provided with a continuous bulge, the cross section of the bulge is triangular, square, rectangular and circular arc, and the friction area 1-4-1-5 is arranged to increase the friction force between fingers and the pressing plate 1-4-1-4 so as to be convenient for pressing and applying force.

The top end of the pressing plate 1-4-1-4 is provided with a convex edge 1-4-1-6, which is convenient for pressing and applying force.

The convex inclined plane 1-4-1-1-1 of the clamping protrusion 1-4-1-1 and the clamping plate 1-4-1-3 form an obtuse angle B, so that the intelligent box 1 can slide into a corresponding base or a corresponding module head along the convex inclined plane 1-4-1-1-1 to be provided with a clamping interface matched with the clamping protrusion 1-4-1-1.

The vertical surface 1-4-1-1-2 of the clamping bulge 1-4-1-1 is vertical to the clamping plate, and the clamping bulge 1-4-1-1 which slides into the clamping interface of the corresponding base component 2-2 or module head component 2-1 is prevented from sliding out of the clamping interface under the condition of not pressing the pressing plate to apply force.

Fig. 18 is a schematic view of an installation structure of the first shield box and the second shield box according to embodiment 8 of the present invention;

the shielding box 1-3 comprises a first shielding box 1-3-1 and a second shielding box 1-3-2 which are connected; the first shielding box 1-3-1 and the second shielding box 1-3-2 both adopt box body structures, the side openings of the first shielding box 1-3-1 and the second shielding box 1-3-2 adopting the box body structures are not closed, the openings of the first shielding box 1-3-1 and the second shielding box 1-3-2 are opposite, the first shielding box 1-3-1 is arranged in the second shielding box 1-3-2, or the second shielding box 1-3-2 is arranged in the first shielding box 1-3-1, and the first shielding box 1-3-1 and the second shielding box 1-3-2 adopt anti-interference materials, so that the electromagnetic interference of the outside on a circuit board is reduced.

Fig. 19 is a schematic structural diagram of a circuit board according to embodiment 8 of the present invention;

the circuit board 1-2 comprises a first circuit board 1-4 and a second circuit board 1-5 which are connected through a connector, a shell 1-1 of the intelligent box 1 and a first shielding box 1-3-1 are respectively and correspondingly provided with a photosensitive sensor window, a travel switch window and a probe window, the photosensitive sensor window, the travel switch window and the probe window respectively correspond to the photosensitive sensor 1-2-1-2, the travel switch and the probe 1-2-3-2 in position, the trip monitoring module 1-2-2 adopts the travel switch, the photosensitive sensor 1-2-1-2 adopts an optical coupler, and the optical coupler on the first circuit board detects an optical signal of a second fusing alarm lamp through the photosensitive sensor window to carry out fusing alarm; the travel switch extends out of the first shielding box 1-3-1 and the intelligent box shell 1-1 through a travel switch window, and the travel switch 1-2-1-2 is triggered to perform tripping alarm when the surge protector is thermally tripped. The probe 1-2-3-2 extends out of the first shielding box 1-3-1 and the intelligent box shell 1-1 to be connected with a temperature sensor arranged among the piezoresistors, and the temperature change is detected to perform piezoresistor degradation early warning.

The shell 1-1 of the intelligent box 1 is of a box structure, a photosensitive sensor window, a travel switch window and a probe window are arranged on the side wall of one side of the intelligent box shell 1-1 of the box structure, and the other side face, opposite to the intelligent box shell 1-1, is open and not closed.

The second circuit board 1-5 is provided with a power module 1-2-4 and a communication module 1-2-5, the second circuit board 1-5 is also provided with an active communication button 1-5-1, and the intelligent box shell 1-1, the first shielding box 1-3-1 and the second shielding box 1-3-2 are respectively provided with an active communication button window, a power module window and a communication module window which correspond to the active communication button, the power module and the communication module. The active communication button is connected with the communication module, the active communication button is triggered, the communication module is communicated with the upper computer, whether the communication interface is communicated or not is tested, the communication function can be performed or not, the position of the intelligent box is transmitted to the upper computer, and the power supply module 1-2-4 is connected with a power supply through a circuit to supply power to the intelligent box.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (12)

1. The surge protector comprises a module head component and a base component, and is characterized by also comprising an intelligent box, wherein the module head component is connected with the base component; the smart box is disposed within the modular head assembly or the base assembly;

the module head assembly comprises a module head, the module head comprises a shell, a lightning protection element and a tripping mechanism are arranged in the shell, and the lightning protection element and the tripping mechanism are electrically connected;

a circuit board is arranged in the intelligent box, a tripping monitoring module, a communication module and an MCU module are arranged on the circuit board, the tripping mechanism is connected with the tripping monitoring module, and the tripping monitoring module and the communication module are both connected with the MCU module;

and the tripping monitoring module is used for receiving a tripping alarm signal sent by the tripping mechanism and sending the tripping alarm signal to the MCU module.

2. The surge protector of claim 1, wherein the smart box housing is symmetrically provided with detachable connection structures on opposite sides; the detachable connecting structure comprises a clamping part and a fixing part, a gap is formed between the fixing part and the clamping part, and a clamping bulge is arranged on the clamping part;

the fixing part is arranged on a top plate of the intelligent box shell, and the clamping part is arranged on a side wall of the intelligent box shell.

3. The surge protector of claim 1 or 2, further comprising a fuse and a fusing alarm unit in the housing, wherein the fuse, the lightning protection element and the tripping mechanism are electrically connected in sequence, and the fusing alarm unit is connected in parallel with the fuse and sends a fusing alarm signal.

4. The surge protector of claim 3, wherein a fusing monitoring module is further arranged on the circuit board, and the fusing monitoring module is connected with the fusing alarm unit;

the fusing monitoring module and the communication module are both connected with the MCU module;

the fusing monitoring module is used for receiving a fusing alarm signal sent by the fusing alarm unit and sending the fusing alarm signal to the MCU module;

the MCU module is used for receiving the alarm signals of the fusing monitoring module and the tripping monitoring module, analyzing and processing the received alarm signals to determine the working state of the surge protector, and sending the analyzed and processed data to the communication module;

the communication module is in communication connection with the upper computer to realize remote alarm.

5. The surge protector of claim 4, wherein the tripping mechanism comprises a push rod, a diversion shunt assembly and a panel turnover mechanism, the diversion shunt assembly comprises a welding frame and a connecting piece, the connecting piece is arranged in the welding frame, the connecting piece is connected with the push rod, and the push rod is in contact connection with the panel turnover mechanism.

6. The surge protector of claim 5, wherein the trip monitoring module comprises a travel switch, and the push rod is in contact connection with the travel switch;

when the surge protector has fault current, the piezoresistor heats, the temperature is transmitted to a welding flux, the welding frame is tripped, and the ejector rod drives the turning plate to turn over, so that local tripping alarm is realized;

the ejector rod triggers the travel switch to alarm, the travel switch is connected with the MCU module, and the MCU module realizes tripping remote alarm through the communication module.

7. The surge protector of claim 5, wherein the connector is removably connected to the post rod;

the end part of one side of the connecting piece is provided with an assembling groove, the ejector rod is correspondingly provided with an assembling bulge, and the assembling bulge is assembled in the assembling groove in a sliding mode to connect the connecting piece and the ejector rod.

8. The surge protector of claim 7, wherein the connector, the ejector rod, and the flap are all disposed on a guide bracket, the flap is rotatably connected to a top end of the guide bracket, a slide is disposed in the guide bracket, and the ejector rod is slidably connected to the slide.

9. The surge protector of claim 4, wherein the fusing alarm unit is connected in parallel with the fuse, the fusing alarm unit sends a fusing alarm signal, the fusing monitoring module receives the fusing alarm signal and sends the fusing alarm signal to the MCU module, and the MCU module realizes remote alarm through the communication module.

10. The surge protector of claim 9, wherein the fusing alarm unit comprises a first fusing alarm lamp connected in parallel with the fuse;

the fusing monitoring module comprises a second fusing alarm lamp and a photosensitive sensor, the second fusing alarm lamp is connected with the first fusing alarm lamp in parallel or in series, and the second fusing alarm lamp faces the photosensitive sensor;

the fuse is fused, the first fusing alarm lamp and the second fusing alarm lamp emit light, and the first fusing alarm lamp gives an alarm to realize local fusing alarm;

the second fusing alarm lamp emits light, the photosensitive sensor detects a light emitting signal of the second fusing alarm lamp, converts the light emitting signal into an electric signal and sends the electric signal to the MCU module, and the MCU module realizes fusing remote alarm through the communication module.

11. The surge protector of claim 1, 2, 4, 5, 6, 7, 8, 9, or 10, wherein the modular head further comprises a temperature sensor disposed within the lightning protection element.

12. The surge protector of claim 11, wherein the circuit board is further provided with a lightning protection element life warning module, and the lightning protection element life warning module predicts the life of the lightning protection element according to the monitored temperature condition of the lightning protection element;

the lightning protection element life early warning module comprises a thermosensitive element and a probe, the temperature sensor, the thermosensitive element and the probe are sequentially connected, the temperature sensor monitors temperature data of the lightning protection element and transmits the temperature data to the probe through the thermosensitive element, the probe is connected with the MCU module, and the MCU module realizes remote alarm of the service life of the lightning protection element through the communication module.

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