Surge protector
By incorporating tripping and fuse monitoring modules, communication modules, and temperature sensors into surge protectors, the problems of easy degradation and lack of remote alarms in existing surge protectors are solved, achieving high-precision monitoring and alarm functions, and improving safety and convenience.
Patent Information
- Application Number
- CN201911333360.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2019-12-12
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2039-12-12
AI Technical Summary
Existing surge protectors are prone to degradation after lightning strikes or surge impacts, causing the varistor to overheat. They also lack remote alarm functionality, making it impossible to accurately monitor their status and provide remote alarms.
The system is equipped with a tripping monitoring module, a communication module, and a temperature sensor. By monitoring temperature data, it can predict the deterioration situation and realize local and remote alarms for tripping. It is also equipped with a fuse monitoring module for fuse alarms and integrates with an MCU module for data analysis and remote communication.
It achieves high-precision monitoring and alarm functions, ensuring that the surge protector disconnects from the line in a timely manner, improving safety and convenience, and has the ability to trip locally and remotely alarm.
Smart Images

Figure CN111200316B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the technical field of power distribution equipment, and relates to a surge protector. BACKGROUND
[0002] The surge protector (SPD) is a device for surge protection of power supply and signal equipment, and is an indispensable device in a low-voltage power distribution system.
[0003] At present, in a low-voltage power distribution environment, a voltage limiting type surge protector is most commonly used, which uses a voltage limiting type surge protector. The voltage limiting type surge protector uses a voltage limiting type surge protector as a lightning protection element for surge protection, which has the advantages of fast response, low residual voltage and strong impact resistance. However, due to the defects of the voltage limiting type surge protector, such as easy deterioration, unstable deterioration state and discontinuous resistance value change, the voltage limiting type surge protector deteriorates after being struck by lightning or surge impact for many times, generates leakage current and generates heat at the same time. The voltage limiting type surge protector may cause fire and other dangers due to the heat generated by the conduction. The existing technology installs a thermal trip device based on the principle that low-temperature solder melts at high temperature at the pin of the voltage limiting type surge protector. When the voltage limiting type surge protector generates heat, the temperature is transmitted to the low-temperature solder joint, the solder melts, the thermal trip mechanism connected with the solder joint acts, and then the voltage limiting type surge protector path is disconnected, so that the line is disconnected from danger. The existing surge protector (surge protector) can only realize local alarm of tripping, and does not have the function of remote alarm of tripping.
[0004] At present, the surge protector (surge protector) is not provided with an intelligent box, and does not have the function of remote alarm of tripping. People cannot accurately monitor the state of the surge protector and realize alarm of tripping. SUMMARY
[0005] The purpose of the present application is to provide a surge protector to solve the problems existing in the prior art surge protector, which is provided with a tripping mechanism, a tripping monitoring module and a communication module for cooperation, realizes the functions of local alarm and remote alarm of tripping, is provided with a fuse alarm unit, a fuse monitoring module and a communication module for cooperation, realizes the functions of local alarm and remote alarm of fusing, is provided with a lightning protection element life warning module, predicts the deterioration condition and remaining life of the surge protector through temperature data collected by a temperature sensor, has high overall monitoring precision, is sensitive in reaction, and can timely disconnect the surge protection device from the line, realizes the dual functions of monitoring alarm and control prevention.
[0006] To achieve the above purpose, the embodiments of the present application provide a surge protector, which comprises a module head assembly and a base assembly, characterized in that it further comprises an intelligent box, the module head assembly and the base assembly are connected, and the intelligent box is arranged in the module head assembly or the base assembly.
[0007] The module head assembly comprises a module head, the module head comprises a shell, the shell comprises a lightning protection element and a tripping mechanism, and the lightning protection element and the tripping mechanism are electrically connected.
[0008] The intelligent box is provided with a circuit board, 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 connected with the MCU module.
[0009] 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.
[0010] Further, detachable connecting structures are symmetrically arranged on opposite sides of the intelligent box shell; the detachable connecting structures comprise clamping portions and fixing portions, gaps are formed between the fixing portions and the clamping portions, and clamping protrusions are arranged on the clamping portions.
[0011] The fixing portions are arranged on the top plate of the intelligent box shell, and the clamping portions are arranged on the side wall of the intelligent box shell.
[0012] Further, a fuse and a fuse alarm unit are further arranged in the shell, the fuse, the lightning protection element and the tripping mechanism are sequentially electrically connected, and the fuse alarm unit is connected in parallel with the fuse and sends a fuse alarm signal.
[0013] Further, a fuse monitoring module is further arranged on the circuit board, and the fuse monitoring module is connected with the fuse alarm unit.
[0014] The fuse monitoring module and the communication module are connected with the MCU module.
[0015] The fuse monitoring module is used for receiving a fuse alarm signal sent by the fuse alarm unit and sending the fuse alarm signal to the MCU module.
[0016] The MCU module is used for receiving alarm signals of the fuse monitoring module and the tripping monitoring module, performing data analysis and processing on the received alarm signals, determining a working state of the surge protector, and sending the processed data to the communication module.
[0017] The communication module is in communication connection with an upper computer, and remote alarm is realized.
[0018] Further, the tripping mechanism comprises a top rod, a flow guide and shunt assembly and a flap mechanism, the flow guide and shunt assembly comprises a welded frame and a connecting piece, the connecting piece is arranged in the welded frame, the connecting piece is connected with the top rod, and the top rod is in contact connection with the flap mechanism.
[0019] Further, the tripping monitoring module comprises a travel switch, and the top rod is in contact connection with the travel switch.
[0020] The surge protector appears fault current, the varistor generates heat, the temperature is transmitted to the solder joint, the welding frame is tripped, the top rod drives the flap to overturn, and local tripping alarm is realized.
[0021] The top rod triggers the travel switch alarm, the travel switch is connected with the MCU module, and the MCU module realizes remote alarm of tripping through the communication module.
[0022] Further, the connecting piece and the top rod are detachably connected.
[0023] The connecting piece has an assembly groove on one side end, and the top rod is correspondingly provided with an assembly protrusion which is slidably assembled into the assembly groove to connect the connecting piece and the top rod.
[0024] Further, the connecting piece, the top rod and the flap are arranged on a guide support, the flap is rotatably connected with the top end of the guide support, a slide is arranged in the guide support, and the top rod is slidably connected with the slide.
[0025] Further, the fuse alarm unit is connected in parallel with the fuse, the fuse alarm unit sends a fuse alarm signal, the fuse monitoring module receives the fuse alarm signal and sends it to the MCU module, and the MCU module realizes remote alarm through the communication module.
[0026] Further, the fuse alarm unit includes a first fuse alarm lamp which is connected in parallel with the fuse.
[0027] The fuse monitoring module includes a second fuse alarm lamp and a photosensitive sensor, the second fuse alarm lamp is connected in parallel or in series with the first fuse alarm lamp, and the second fuse alarm lamp is arranged towards the photosensitive sensor.
[0028] When the fuse is fused, the first fuse alarm lamp and the second fuse alarm lamp emit light, the first fuse alarm lamp sends an alarm, and local fuse alarm is realized.
[0029] The second fuse alarm lamp emits light, the photosensitive sensor detects the light emission signal of the second fuse alarm lamp, converts it into an electric signal and sends it to the MCU module, and the MCU module realizes remote alarm of fusing through the communication module.
[0030] Further, the module head further includes a temperature sensor arranged in the lightning protection element.
[0031] Further, a lightning protection element life warning module is further arranged on the circuit board, and the lightning protection element life warning module predicts the service life of the lightning protection element according to the monitored temperature of the lightning protection element.
[0032] The lightning protection element life warning module comprises a thermal element, a probe, a temperature sensor, the thermal element, and the probe being connected in sequence, the temperature sensor monitors temperature data of the lightning protection element and transmits the temperature data to the probe through the thermal element, the probe is connected with the MCU module, and the MCU module realizes remote alarm of the lightning protection element life through the communication module.
[0033] The present application relates to a surge protector, and has the beneficial effects that: the surge protector is provided with a tripping mechanism, a tripping monitoring module and a communication module used in cooperation to realize local alarm and remote alarm functions of tripping; a fuse alarm unit, a fuse monitoring module and a communication module used in cooperation are arranged to realize local alarm and remote alarm functions of fusing; a lightning protection element life warning module is arranged to predict the degradation and remaining life of the surge protector through temperature data collected by a temperature sensor; the overall monitoring precision is high, the reaction is sensitive, and the surge protection device can be timely disconnected from the circuit, realizing double functions of monitoring and alarm and control and prevention; the on-site installation and debugging convenience of the product is improved, and the safety of on-site workers is further ensured. BRIEF DESCRIPTION OF DRAWINGS
[0034] Figure 1 A structural block diagram of the surge protector provided for the embodiment 1 of the present application;
[0035] Figure 2 A structural schematic view of the surge protector provided for the intelligent box of the embodiment 1 of the present application and arranged in the upper base assembly;
[0036] Figure 3 A structural schematic view of the intelligent box provided for the embodiment 1 of the present application;
[0037] Figure 4 A structural schematic view of the tripping mechanism provided for the embodiment 2 of the present application;
[0038] Figure 5 A structural schematic view of the connecting piece and the ejector rod provided for the embodiment 3 of the present application;
[0039] Figure 6 A structural schematic view of the tripping mechanism and the guide bracket provided for the embodiment 3 of the present application;
[0040] Figure 7 A structural block diagram of the surge protector provided for the embodiment 4 of the present application;
[0041] Figure 8 A structural schematic view of the module head provided for the embodiment 4 of the present application;
[0042] Figure 9 A structural schematic view of the fuse monitoring module provided for the embodiment 5 of the present application;
[0043] Figure 10 A structural block diagram of a surge protector provided for the embodiment 6 of the present application;
[0044] Figure 11 A structural schematic diagram of a lightning protection element life warning module provided for the embodiment 6 of the present application;
[0045] Figure 12 A structural schematic diagram of a smart box of the embodiment 6 of the present application;
[0046] Figure 13 A structural block diagram of a smart box of the embodiment 7 of the present application;
[0047] Figure 14 A structural block diagram of a shielding box of the embodiment 8 of the present application;
[0048] Figure 15 A structural schematic diagram of a smart box of the embodiment 8 of the present application;
[0049] Figure 16 A structural schematic diagram of a detachable connecting structure of the embodiment 8 of the present application;
[0050] Figure 17 A structural schematic diagram of a clamping part of the embodiment 8 of the present application;
[0051] Figure 18 A structural schematic diagram of a mounting structure of a first shielding box and a second shielding box of the embodiment 8 of the present application;
[0052] Figure 19 A structural schematic diagram of a circuit board of the embodiment 8 of the present application.
[0053] In the figure: 1, intelligent box, 1-1, shell, 1-1-1, top plate, 1-1-2, side wall, 1-2, circuit board, 1-2-1, fuse monitoring module, 1-2-1-1, second fuse alarm lamp, 1-2-1-2, photosensitive sensor, 1-2-2, tripping monitoring module, 1-2-3, lightning protection element life warning module, 1-2-3-1, thermal element, 1-2-3-2, probe, 1-2-4, power module, 1-2-5, communication module, 1-3, shielding box, 1-3-1, first shielding box, 1-3-2, second shielding box, 1-4, detachable connection structure, 1-4-1, clamping part, 1-4-1-1, clamping protrusion, 1-4-1-2, connecting plate, 1-4-1-3, clamping plate, 1-4-1-4, pressing plate, 1-4-1-5, friction area, 1-4-1-5-1, recess, 1-4-1-5-2, protrusion, 1-4-1-6, convex edge, 1-4-2, fixed part, 1-4-2-1, pressing groove, 1-4-1-1-1, protrusion inclined surface, 1-4-1-1-2, protrusion vertical surface, 2, surge protector, 2-1, module head assembly, 2-1-1, module head, 2-1-1-1, lightning protection element, 2-1-1-2, fuse, 2-1-1-3, fuse alarm unit, 2-1-1-4, welding frame, 2-1-1-5, top rod, 2-1-1-5-1, assembly protrusion, 2-1-1-6, flap, 2-1-1-7, pressure-sensitive electrode sheet, 2-1-1-8, top rod solder leg, 2-1-1-9, touch rod, 2-1-1-10, temperature sensor, 2-1-1-11, tripping mechanism, 2-1-1-12, connecting piece, 2-1-1-12-1, assembly groove, 2-2, base assembly, 2-2-1, upper base assembly, 2-2-2, lower base assembly, 2-3, module head shell, 4, welding frame. DETAILED DESCRIPTION
[0054] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be described clearly and completely below with reference to the drawings of the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the described embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort belong to the scope of the present application.
[0055] Unless otherwise defined, technical terms or scientific terms used in the present disclosure shall have the ordinary meaning as understood by a person having ordinary skill in the art to which the present disclosure pertains. The terms such as "comprising" or "including" or similar words used in the present disclosure mean that the elements or objects before the word encompass the elements or objects listed after the word and equivalents thereof, and do not exclude other elements or objects. The positions such as "upper", "lower", "left", "right" and the like of the described objects in the embodiments in the drawings only represent relative positional relationships, and when the absolute positions of the described objects in the embodiments are changed, the relative positional relationships can also be changed accordingly.
[0056] The surge protector according to the embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings.
[0057] The surge protector 2 comprises a module head assembly 2-1, a base assembly 2-2, and further comprises an intelligent box 1, the module head assembly 2-1 and the base assembly 2-2 are connected; the intelligent box 1 is arranged in the module head assembly 2-1 or the base assembly 2-2.
[0058] 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, the lightning protection element 2-1-1-1 and the tripping mechanism 2-1-1-11 are electrically connected.
[0059] The shell 1-1 of the intelligent box 1 is provided with a circuit board 1-2, the circuit board 1-2 is provided with a tripping monitoring module 1-2-2, a communication module 1-2-5 and an MCU module, the tripping mechanism 2-1-1-11 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.
[0060] 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.
[0061] The overall structure is simple and reasonable, the tripping mechanism 2-1-1-11, the tripping monitoring module 1-2-2 and the communication module 1-2-5 are arranged to be used in cooperation, and the functions of local tripping alarm and remote tripping alarm are realized.
[0062] The shell 1-1 and the circuit board 1-2 are provided with a shielding box 1-3, the circuit board 1-2 is fixed in the shielding box 1-3, and the electromagnetic interference of the circuit board by the outside is reduced.
[0063] The detachable connecting structure 1-4 is symmetrically arranged on opposite sides of the shell 1-1 of the smart box 1; the detachable connecting structure 1-4 comprises a clamping portion 1-4-1 and a fixing portion 1-4-2, the fixing portion 1-4-2 and the clamping portion 1-4-1 have a gap therebetween, and the clamping portion 1-4-1 is provided with a clamping protrusion 1-4-1-1;
[0064] The fixing portion 1-4-2 is arranged on the top plate 1-1-1 of the module head shell 2-3 of the smart box 1, and the clamping portion 1-4-1 is arranged on the side wall 1-1-2 of the module head shell 2-3 of the smart box 1.
[0065] The detachable connecting structure 1-4 is arranged on the shell 1-1 of the smart box 1, which facilitates the maintenance and replacement and debugging of the smart box 1, and the circuit board 1-2 is arranged reasonably, thereby reducing the volume occupied by the smart box 1.
[0066] The fixing portion 1-4-2 can further be provided with a pressing groove 1-4-2-1, the width of the pressing groove 1-4-2-1 matches the width of the clamping portion 1-4-1, and the pressing groove 1-4-2-1 further limits the space and direction in which the clamping portion 1-4-1 is deformed.
[0067] The fixing portion 1-4-2 is arranged on the top plate 1-1-1 of the shell 1-1 of the smart box, and the clamping portion 1-4-1 is arranged on the side wall 1-1-2 of the shell 1-1 of the smart box.
[0068] The clamping portion 1-4-1 comprises a connecting plate 1-4-1-2, a clamping plate 1-4-1-3 and a pressing plate 1-4-1-4, the connecting plate 1-4-1-2, the clamping plate 1-4-1-3 and the pressing plate 1-4-1-4 are connected in sequence, and the connecting plate 1-4-1-2 and the clamping plate 1-4-1-3 form an included angle; the clamping plate 1-4-1-3 is provided with the clamping protrusion 1-4-1-1.
[0069] 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 provided with continuous grooves, the cross section of the grooves is triangular, square, rectangular or arc-shaped, the friction area 1-4-1-5 is provided with continuous protrusions, the cross section of the protrusions is triangular, square, rectangular or arc-shaped, the friction area 1-4-1-5 increases the friction force between the finger and the pressing plate 1-4-1-4, and facilitates pressing force.
[0070] The top end of the pressing plate 1-4-1-4 is provided with a convex edge 1-4-1-6, which facilitates pressing force.
[0071] The protrusion inclined surface 1-4-1-1-1 of the clamping protrusion 1-4-1-1 forms an obtuse angle B with the clamping plate 1-4-1-3, which facilitates the smart box 1 to slide along the protrusion inclined surface 1-4-1-1-1 into the corresponding base or module head, and the clamping interface matched with the clamping protrusion 1-4-1-1 is arranged.
[0072] The protrusion vertical plane 1-4-1-1-2 of the clamping protrusion 1-4-1-1 is perpendicular to the clamping plate, preventing the clamping protrusion 1-4-1-1 from slipping out of the clamping interface of the corresponding base assembly 2-2 or module head assembly 2-1 without pressing the pressing plate.
[0073] The shielding box 1-3 comprises a connected first shielding box 1-3-1 and a second shielding box 1-3-2; both the first shielding box 1-3-1 and the second shielding box 1-3-2 adopt a box structure, the side openings of the first shielding box 1-3-1 and the second shielding box 1-3-2 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, the first shielding box 1-3-1 and the second shielding box 1-3-2 adopt an anti-interference material, reducing the electromagnetic interference of the external environment on the circuit board.
[0074] The module head shell 2-3 further comprises a fuse 2-1-1-2, a fuse alarm unit 2-1-1-3, the fuse 2-1-1-2, the lightning protection element 2-1-1-1 and the tripping mechanism 2-1-1-11 are sequentially electrically connected, the fuse alarm unit 2-1-1-3 is connected in parallel with the fuse 2-1-1-2, and a fuse alarm signal is sent.
[0075] The circuit board 1-2 further comprises a fuse monitoring module 1-2-1, the fuse monitoring module 1-2-1 is connected with the fuse alarm unit 2-1-1-3.
[0076] The fuse monitoring module 1-2-1 and the communication module 1-2-5 are connected with the MCU module.
[0077] The fuse monitoring module 1-2-1 is used for receiving a fuse alarm signal sent by the fuse alarm unit 2-1-1-3 and sending the fuse alarm signal to the MCU module.
[0078] The MCU module is used for receiving alarm signals of the fuse monitoring module 1-2-1 and the tripping monitoring module 1-2-2, performing data analysis and processing on the received alarm signals, determining a working state of the surge protector, and sending the analyzed and processed data to the communication module 1-2-5.
[0079] The communication module 1-2-5 is connected with the upper computer in communication, and remote alarm is realized.
[0080] The fuse alarm unit 2-1-1-3, the fuse monitoring module 1-2-1 and the communication module 1-2-5 are arranged in cooperation, and local fuse alarm and remote alarm functions are realized.
[0081] The fuse alarm unit 2-1-1-3 is connected in parallel with the fuse 2-1-1-2, the fuse alarm unit 2-1-1-3 sends a fuse alarm signal, the fuse monitoring module 1-2-1 receives the fuse alarm signal and sends it to the MCU module, and the MCU module realizes remote alarm through the communication module 1-2-5.
[0082] The fuse alarm unit 2-1-1-3 includes a first fuse alarm lamp, and the first fuse alarm lamp is connected in parallel with the fuse 2-1-1-2.
[0083] The fuse monitoring module 1-2-1 includes a second fuse alarm lamp 1-2-1-1 and a photosensitive sensor 1-2-1-2, the second fuse alarm lamp 1-2-1-1 is connected in parallel or in series with the first fuse alarm lamp, and the second fuse alarm lamp 1-2-1-1 is arranged towards the photosensitive sensor 1-2-1-2.
[0084] When the fuse 2-1-1-2 is fused, the first fuse alarm lamp and the second fuse alarm lamp 1-2-1-1 emit light, the first fuse alarm lamp alarms, and local fuse alarm is realized.
[0085] The second fuse alarm lamp 1-2-1-1 emits light, the photosensitive sensor 1-2-1-2 detects the light-emitting signal of the second fuse alarm lamp 1-2-1-1 and converts it into an electrical signal and sends it to the MCU module, and the MCU module realizes fuse remote alarm by sending it to the communication module 1-2-5. The photosensitive sensor 1-2-1-2 can use an optical coupler.
[0086] The tripping mechanism 2-1-1-11 includes a flow-dividing assembly, a top rod 2-1-1-5, and a flap mechanism 2-1-1-6, the flow-dividing assembly is connected with the top rod 2-1-1-5; the top rod 2-1-1-5 is in contact with the flap mechanism 2-1-1-6.
[0087] The flow-dividing assembly includes a welded frame 4 and a connecting piece 2-1-1-12, the connecting piece 2-1-1-12 is arranged in the welded frame 4, and the connecting piece is connected with the top rod 2-1-1-5.
[0088] The tripping monitoring module 1-2-2 uses a travel switch, the top rod 2-1-1-5 is in contact with the travel switch;
[0089] The welded frame 4 of the tripping mechanism 2-1-1-11 is welded with the pressure-sensitive electrode sheet 2-1-1-13 and the top rod soldering leg 2-1-1-14 through solder, a fault current such as a leakage current or a power frequency short-circuit current occurs in the surge protector 2, the lightning protection element 2-1-1-1 uses a pressure-sensitive resistor, the pressure-sensitive resistor generates heat, the temperature is transmitted to the soldering point, the welded frame 4 is tripped, the top rod 2-1-1-5 drives the flap to flip, and local tripping alarm is realized.
[0090] The top rod 2-1-1-5 is provided with a touch rod 2-1-1-9, and the touch rod 2-1-1-9 is provided with a touch stroke switch alarm. The stroke switch is connected with the MCU module, and the MCU module realizes remote alarm of tripping through the communication module 1-2-5.
[0091] The connecting piece 2-1-1-12 is detachably connected with the top rod 2-1-1-5.
[0092] The connecting piece 2-1-1-12 is detachably connected with the top rod 2-1-1-5.
[0093] The top rod 2-1-1-5 is detachably connected with the connecting piece 2-1-1-12, which is convenient for production and assembly. The connecting piece 2-1-1-12 is made of a poor conductor such as bakelite, which plays a role in heat insulation to prevent the top rod 2-1-1-5 connected with the connecting piece 2-1-1-12 from being deformed by heat.
[0094] The connecting piece 2-1-1-12, the top rod 2-1-1-5 and the flap mechanism 2-1-1-6 are arranged on the guide bracket 2-1-1-13. The flap mechanism 2-1-1-6 is rotatably connected with the top end of the guide bracket 2-1-1-13. The guide bracket 2-1-1-13 is provided with a slide 2-1-1-13-1, and the top rod 2-1-1-5 is slidably connected with the slide 2-1-1-13-1.
[0095] When the temperature of the welding frame 4 is relatively high, the connecting piece 2-1-1-12 is arranged in the welding frame 4, and the connecting piece 2-1-1-12 is made of bakelite which is not easy to be deformed by heat.
[0096] The flap mechanism 2-1-1-6 has two states, which are represented by green and red respectively, indicating that the state is not tripped and the state is tripped.
[0097] When a fault current such as a leakage current or a power frequency short circuit current occurs, the varistor generates heat, and the heat is transmitted to the welding point. The solder at the welding point melts, so that the current diversion assembly is separated from the varistor electrode sheet and the top rod welding foot welding surface, that is, the action of the thermal tripping device is completed. The connecting piece 2-1-1-12 is arranged in the welding frame 4, and the connecting piece 2-1-1-12 connects the current diversion assembly and the top rod 2-1-1-5. The top rod 2-1-1-5 is in contact with the flap mechanism 2-1-1-6, and the top rod 2-1-1-5 slides along the guide bracket to drive the flap mechanism 2-1-1-6 to turn over, so that the display changes from green to red, realizing tripping indication.
[0098] The module head 2-1-1 further 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;
[0099] The lightning protection element life warning module 1-2-3 comprises a thermal element 1-2-3-1 and a probe 1-2-3-2, the temperature sensor 2-1-1-10, the thermal element 1-2-3-1 and the probe 1-2-3-2 are sequentially connected, the temperature sensor 2-1-1-10 monitors the 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 thermal element 1-2-3-1, the probe 1-2-3-2 is connected with an MCU module, and the MCU module realizes remote alarm of the lightning protection element 2-1-1-1 through the communication module 1-2-5.
[0100] The thermal element 1-2-3-1 is a thermal copper sheet.
[0101] Embodiment 1
[0102] Figure 1 A structural block diagram of a surge protector provided for the embodiment 1 of the application; Figure 2 A structural block diagram of a surge protector provided for the embodiment 1 of the application;
[0103] The surge protector 2 comprises a module head assembly 2-1 and a base assembly 2-2, and further comprises an intelligent box 1, the module head assembly 2-1 is connected with the base assembly 2-2, the intelligent box 1 is arranged in the base assembly 2-2, and the base assembly 2-2 comprises an upper base assembly 2-2-1 and a lower base assembly 2-2-2.
[0104] 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, and 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.
[0105] Figure 3 A structural schematic diagram of the intelligent box provided for the embodiment 1 of the application;
[0106] The shell 1-1 of the intelligent box 1 is provided with a circuit board 1-2, the circuit board 1-2 is provided with a tripping monitoring module 1-2-2, a communication module 1-2-5 and an MCU module, the tripping mechanism 2-1-1-11 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.
[0107] 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.
[0108] The whole structure is simple and reasonable in design, and is provided with a tripping mechanism 2-1-1-11, a tripping monitoring module 1-2-2 and a communication module 1-2-5 used in cooperation to realize the functions of local alarm and remote alarm of tripping;
[0109] Embodiment 2
[0110] Figure 4 The structure diagram of the tripping mechanism provided for the embodiment 2 of the application is shown;
[0111] In addition to the technical scheme of the embodiment 1, the following technical scheme is further included:
[0112] The tripping mechanism 2-1-1-11 includes a flow-dividing assembly, a top rod 2-1-1-5 and a flap mechanism 2-1-1-6, the flow-dividing assembly is connected with the top rod 2-1-1-5, and the top rod 2-1-1-5 is in contact connection with the flap mechanism 2-1-1-6.
[0113] The flow-dividing assembly includes a welded frame 4 and a connecting connector 2-1-1-12, the connecting connector 2-1-1-12 is arranged in the welded frame 4, and the connector is connected with the top rod 2-1-1-5.
[0114] The tripping monitoring module 1-2-2 adopts a travel switch, the top rod 2-1-1-5 is in contact connection with the travel switch;
[0115] The welded frame 4 of the tripping mechanism 2-1-1-11 is welded with a pressure-sensitive electrode sheet 2-1-1-13 and a top rod soldering leg 2-1-1-14 through solder, a fault current such as a leakage current or a power frequency short-circuit current occurs in a surge protector 2, a lightning protection element 2-1-1-1 adopts a pressure-sensitive resistor, the pressure-sensitive resistor generates heat, the temperature is transmitted to the soldering point, the welded frame 4 is tripped, the top rod 2-1-1-5 drives the flap to turn over, and local tripping alarm is realized;
[0116] The top rod 2-1-1-5 has a touch rod 2-1-1-9, the touch rod 2-1-1-9 touches the travel switch to alarm, the travel switch is connected with an MCU module, and the MCU module realizes remote tripping alarm through the communication module 1-2-5.
[0117] Embodiment 3
[0118] Figure 5 The structure diagram of the connecting connector and the top rod provided for the embodiment 3 of the application is shown;
[0119] In addition to the technical scheme of the embodiment 1, the following technical scheme is further included
[0120] The connecting connector 2-1-1-12 and the top rod 2-1-1-5 are detachably connected;
[0121] The one side end of the connecting piece 2-1-1-12 has an assembling groove 2-1-1-12-1, and the ejector rod 2-1-1-5 is correspondingly provided with an assembling protrusion 2-1-1-5-1, which is slidably assembled into the assembling groove 2-1-1-12-1 to connect the connecting piece 2-1-1-12 and the ejector rod 2-1-1-5.
[0122] The ejector rod 2-1-1-5 is detachably connected with the connecting piece 2-1-1-12, which is made of a poor conductor such as bakelite, so as to prevent the ejector rod 2-1-1-5 connected with the connecting piece 2-1-1-12 from being deformed due to heat.
[0123] Figure 6 A structure diagram of a tripping mechanism and a guide support provided for the embodiment 3 of the present application is shown in the figure;
[0124] The connecting piece 2-1-1-12, the ejector rod 2-1-1-5 and the flap mechanism 2-1-1-6 are all arranged on the guide support 2-1-1-13, the flap mechanism 2-1-1-6 is rotatably connected with the top end of the guide support 2-1-1-13, and the guide support 2-1-1-13 is provided with a slide 2-1-1-13-1, and the ejector rod 2-1-1-5 is slidably connected with the slide 2-1-1-13-1.
[0125] When the temperature of the welding frame 4 is high, the connecting piece 2-1-1-12 is arranged in the welding frame 4, and the connecting piece 2-1-1-12 is made of bakelite and is not easy to be deformed due to heat.
[0126] The flap mechanism 2-1-1-6 has two states, and green color represents the undetached state, and red color represents the tripped state.
[0127] When the fault current such as leakage current or power frequency short circuit current occurs, the varistor generates heat, the heat is transmitted to the welding point, the solder at the welding point is melted, the current diversion assembly is separated from the varistor electrode sheet and the welding surface of the ejector rod soldering leg, that is, the action of the thermal tripping device is completed, the connecting piece 2-1-1-12 is arranged in the welding frame 4, the connecting piece 2-1-1-12 connects the current diversion assembly and the ejector rod 2-1-1-5, the ejector rod 2-1-1-5 is in contact with the flap mechanism 2-1-1-6, the ejector rod 2-1-1-5 slides along the guide support and moves upward to drive the flap mechanism 2-1-1-6 to turn over, the display changes from green to red, and the tripping indication is realized.
[0128] Embodiment 4
[0129] Figure 7 A structure block diagram of a surge protector provided for the embodiment 4 of the present application is shown in the figure; Figure 8 A structure diagram of a module head provided for the embodiment 4 of the present application is shown in the figure;
[0130] The technical scheme of any one of embodiments 1-3 further comprises the following technical scheme
[0131] The module head shell 2-3 further comprises a fuse 2-1-1-2, a fuse 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 are sequentially electrically connected, the fuse alarm unit 2-1-1-3 is connected in parallel with the fuse 2-1-1-2, and a fuse alarm signal is sent.
[0132] The circuit board 1-2 is further provided with a fuse monitoring module 1-2-1, and the fuse monitoring module 1-2-1 is connected with the fuse alarm unit 2-1-1-3;
[0133] The fuse monitoring module 1-2-1 and the communication module 1-2-5 are connected with the MCU module;
[0134] The fuse monitoring module 1-2-1 is used for receiving a fuse alarm signal sent by the fuse alarm unit 2-1-1-3 and sending the fuse alarm signal to the MCU module;
[0135] The MCU module is used for receiving alarm signals of the fuse monitoring module 1-2-1 and the tripping monitoring module 1-2-2, performing data analysis and processing on the received alarm signals, determining a working state of the surge protector, and sending the analyzed and processed data to the communication module 1-2-5;
[0136] The communication module 1-2-5 is connected in communication with an upper computer to realize remote alarm.
[0137] The fuse alarm unit 2-1-1-3, the fuse monitoring module 1-2-1, and the communication module 1-2-5 are provided to be used in cooperation to realize fuse local alarm and remote alarm functions;
[0138] Embodiment 5
[0139] Figure 9 A structure diagram of the fuse monitoring module provided for the embodiment 5 of the application is shown in the figure;
[0140] The technical scheme of the embodiment 5 further comprises the following technical scheme
[0141] The fuse alarm unit 2-1-1-3 is connected in parallel with the fuse 2-1-1-2, the fuse alarm unit 2-1-1-3 sends a fuse alarm signal, the fuse monitoring module 1-2-1 receives the fuse alarm signal and sends the fuse alarm signal to the MCU module, and the MCU module realizes remote alarm through the communication module 1-2-5.
[0142] The fuse alarm unit 2-1-1-3 comprises a first fuse alarm lamp, and the first fuse alarm lamp is connected in parallel with the fuse 2-1-1-2;
[0143] The fuse monitoring module 1-2-1 comprises a second fuse 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 fuse alarm lamp 1-2-1-1 is connected in parallel or series with the first fuse alarm lamp, and the second fuse alarm lamp 1-2-1-1 is arranged towards the photosensitive sensor 1-2-1-2;
[0144] When the fuse 2-1-1-2 is fused, the first fuse alarm lamp and the second fuse alarm lamp 1-2-1-1 emit light, the first fuse alarm lamp emits an alarm, and local fuse alarm is realized;
[0145] The second fuse alarm lamp 1-2-1-1 emits light, the photosensitive sensor 1-2-1-2 detects the light-emitting signal of the second fuse alarm lamp 1-2-1-1 and converts it into an electrical signal and sends it to the MCU module, and the MCU module realizes remote fuse alarm by sending it to the communication module 1-2-5.
[0146] Embodiment 6
[0147] Figure 10 A structural block diagram of a surge protector provided for the embodiment 6 of the application is provided; Figure 11 A structural schematic diagram of a lightning protection element life warning module provided for the embodiment 6 of the application is provided; Figure 12 A structural schematic diagram of an intelligent box of the embodiment 6 of the application is provided;
[0148] In addition to the technical solutions of any one of the embodiments 1-5, the following technical solutions are further included
[0149] The module head 2-1-1 further 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.
[0150] The lightning protection element life warning module 1-2-3 comprises a thermosensitive element 1-2-3-1 and a probe 1-2-3-2, and the temperature sensor 2-1-1-10, the thermosensitive element 1-2-3-1 and the probe 1-2-3-2 are connected in sequence, 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 thermosensitive element 1-2-3-1, the probe 1-2-3-2 is connected with the MCU module, and the MCU module realizes remote life alarm of the lightning protection element 2-1-1-1 through the communication module 1-2-5.
[0151] The thermosensitive element 1-2-3-1 adopts a thermosensitive copper sheet.
[0152] The circuit board 1-2 further comprises a power supply module 1-2-4 for supplying power to the intelligent box 1.
[0153] Embodiment 7
[0154] Figure 13 Structure diagram of the smart box of embodiment 7 of the present application;
[0155] In addition to the technical solutions of any one of embodiments 1-6, the following technical solutions are further included
[0156] The detachable connecting structure 1-4 is symmetrically arranged on opposite sides of the shell 1-1 of the smart box 1; the detachable connecting structure 1-4 includes a clamping portion 1-4-1 and a fixing portion 1-4-2, and the fixing portion 1-4-2 and the clamping portion 1-4-1 have a gap therebetween, and the clamping portion 1-4-1 is provided with a clamping protrusion 1-4-1-1.
[0157] The smart box 1 can be arranged on the base assembly 2-2 of the surge protector 2, and a clamping port matched with the clamping protrusion 1-4-1-1 is arranged on the corresponding base assembly. By pressing the clamping portion 1-4-1, the clamping protrusion 1-4-1-1 is driven to slide into or out of the clamping port, thereby realizing the installation and disassembly of the smart box 1.
[0158] The detachable connecting structure 1-4 is arranged on the shell 1-1 of the smart box 1, facilitating the maintenance and replacement and debugging of the smart box 1, and the circuit board 1-2 is arranged reasonably, reducing the volume occupied by the smart box 1.
[0159] Embodiment 8
[0160] In addition to the technical solutions of embodiment 7, the following technical solutions are further included:
[0161] Figure 14 Structure diagram of the shielding box of embodiment 8 of the present application;
[0162] The shielding box 1-3 is arranged between the shell 1-1 of the smart box and the circuit board 1-2, and the circuit board 1-2 is fixed in the shielding box 1-3.
[0163] Figure 15 Structure diagram of the smart box of embodiment 8 of the present application; Figure 16 Structure diagram of the detachable connecting structure of embodiment 8 of the present application;
[0164] The pressing groove 1-4-2-1 can also be arranged on the fixing portion 1-4-2, and the width of the pressing groove 1-4-2-1 is matched with the width of the clamping portion 1-4-1, further limiting the space and direction in which the clamping portion 1-4-1 is deformed.
[0165] The fixing portion 1-4-2 is arranged on the top plate 1-1-1 of the shell 1-1 of the smart box, and the clamping portion 1-4-1 is arranged on the side wall 1-1-2 of the shell 1-1 of the smart box.
[0166] Figure 17 Structure diagram of the clamping portion of embodiment 8 of the present application; Figure 17(a) 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; Figure 17 (b) the cross section of the clamping protrusion 1-4-1-1 is a right triangle, and a continuous protrusion can also be arranged in the friction area 1-4-1-5;
[0167] The clamping part 1-4-1 includes 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 the connecting plate 1-4-1-2 and the clamping plate 1-4-1-3 form an included angle; the clamping plate 1-4-1-3 is provided with a clamping protrusion 1-4-1-1.
[0168] The pressing plate 1-4-1-4 is provided with a friction area 1-4-1-5, a continuous groove is arranged in the friction area 1-4-1-5, the cross section of the groove is a triangle, a square, a rectangle, or a circular arc, a continuous protrusion is arranged in the friction area 1-4-1-5, the cross section of the protrusion is a triangle, a square, a rectangle, or a circular arc, the friction area 1-4-1-5 is arranged to increase the friction between the fingers and the pressing plate 1-4-1-4, and facilitate pressing force.
[0169] The top end of the pressing plate 1-4-1-4 is provided with a convex edge 1-4-1-6, which facilitates pressing force.
[0170] The protrusion inclined surface 1-4-1-1-1 of the clamping protrusion 1-4-1-1 forms an obtuse angle B with the clamping plate 1-4-1-3, which facilitates the sliding of the smart box 1 along the protrusion inclined surface 1-4-1-1-1 into the corresponding base or module head, and the clamping interface matched with the clamping protrusion 1-4-1-1 is arranged.
[0171] The protrusion vertical surface 1-4-1-1-2 of the clamping protrusion 1-4-1-1 is perpendicular to the clamping plate, and in the case where the pressing plate is not pressed, the clamping protrusion 1-4-1-1 of the clamping interface of the corresponding base assembly 2-2 or module head assembly 2-1 is prevented from slipping out of the clamping interface.
[0172] Figure 18 It is an installation structure schematic view of the first shielding box and the second shielding box of the embodiment 8 of the application;
[0173] The shielding box 1-3 comprises a connected first shielding box 1-3-1 and a second shielding box 1-3-2; the first shielding box 1-3-1 and the second shielding box 1-3-2 are both in a box structure, the side opening of the first shielding box 1-3-1 and the second shielding box 1-3-2 in the box structure is 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 are made of anti-interference materials, so that the electromagnetic interference of the circuit board from the outside is reduced.
[0174] Figure 19 Structure schematic view of the circuit board of the embodiment 8 of the present application;
[0175] The circuit board 1-2 comprises a first circuit board 1-4 and a second circuit board 1-5 connected through a connector, the shell 1-1 of the intelligent box 1 and the first shielding box 1-3-1 are both provided with a photosensitive sensor window, a travel switch window and a probe window in correspondence, the photosensitive sensor window, the travel switch window and the probe window are in position correspondence with a photosensitive sensor 1-2-1-2, a travel switch and a probe 1-2-3-2 respectively, the trip monitoring module 1-2-2 adopts the travel switch, the photosensitive sensor 1-2-1-2 adopts an optical coupler, the optical coupler on the first circuit board detects the light signal of the second fuse alarm lamp through the photosensitive sensor window to perform fuse alarm; the travel switch extends out of the first shielding box 1-3-1 and the shell 1-1 of the intelligent box through the travel switch window, and the travel switch 1-2-1-2 is touched to perform trip alarm when the surge protector is tripped. The probe 1-2-3-2 extends out of the first shielding box 1-3-1 and the shell 1-1 of the intelligent box and is connected with a temperature sensor arranged between the pressure sensitive resistor to detect temperature change and perform pressure sensitive resistor deterioration early warning.
[0176] The shell 1-1 of the intelligent box 1 adopts a box structure, one side wall of the shell 1-1 of the intelligent box in the box structure is provided with a photosensitive sensor window, a travel switch window and a probe window, and the other side of the shell 1-1 of the intelligent box is an open side.
[0177] The power module 1-2-4 and the communication module 1-2-5 are arranged on the second circuit board 1-5, and the second circuit board 1-5 is further provided with an active communication button 1-5-1; the active communication button window, the power module window and the communication module window are arranged on the smart box shell 1-1, the first shielding box 1-3-1 and the second shielding box 1-3-2 and correspond to the positions of the active communication button, the power module and the communication module. The active communication button is connected with the communication module, and when the active communication button is triggered, the communication module communicates with the upper computer to test whether the communication interface is connected and whether the communication function can be performed, and the position of the smart box is transmitted to the upper computer; the power module 1-2-4 is connected with the power supply through a line to supply power for the smart box.
[0178] The above merely illustrates the specific embodiments of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered by the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A surge protector comprising a module header assembly, a base assembly, characterized in that The intelligent box is arranged in the module head assembly or the base assembly; The module head assembly comprises a module head, and the module head comprises a shell, the shell comprising a lightning protection element and a tripping mechanism, the lightning protection element and the tripping mechanism being electrically connected; The intelligent box comprises a circuit board, the circuit board being provided with a tripping monitoring module, a communication module and an MCU module, the tripping mechanism being connected to the tripping monitoring module, and the tripping monitoring module and the communication module being connected to the MCU module; The tripping monitoring module is configured to receive a tripping alarm signal sent by the tripping mechanism and send the tripping alarm signal to the MCU module; The shell and the circuit board are provided with a shielding box, the shielding box comprising a first shielding box and a second shielding box connected to each other, the first shielding box and the second shielding box both adopting a box structure, the side openings of the first shielding box and the second shielding box adopting the box structure being not closed, the openings of the first shielding box and the second shielding box being opposite to each other, the first shielding box being arranged in the second shielding box or the second shielding box being arranged in the first shielding box, and the first shielding box and the second shielding box being made of an anti-interference material to reduce electromagnetic interference of the circuit board from the outside world; The two opposite sides of the shell of the intelligent box are symmetrically provided with detachable connecting structures, the detachable connecting structures comprising clamping portions and fixing portions, the fixing portions and the clamping portions having gaps therebetween, and the clamping portions being provided with clamping protrusions; The fixing portions are arranged on the top plate of the shell of the intelligent box, and the clamping portions are arranged on the side wall of the shell of the intelligent box.
2. The surge protector of claim 1, wherein The shell further comprises a fuse and a fuse alarm unit, the fuse, the lightning protection element and the tripping mechanism being electrically connected in sequence, and the fuse alarm unit being connected in parallel to the fuse to send a fuse alarm signal.
3. The surge protector of claim 2, wherein The circuit board is further provided with a fuse monitoring module, the fuse monitoring module being connected to the fuse alarm unit; The fuse monitoring module and the communication module are both connected to the MCU module; The fuse monitoring module is configured to receive a fuse alarm signal sent by the fuse alarm unit and send the fuse alarm signal to the MCU module; The MCU module is configured to receive alarm signals of the fuse monitoring module and the tripping monitoring module, perform data analysis and processing on the received alarm signals, determine a working state of the surge protector, and send the analyzed and processed data to the communication module; The communication module is in communication connection with an upper computer to realize remote alarm.
4. The surge protector of claim 3, wherein The tripping mechanism comprises a top rod, a flow guide and shunt assembly and a flap mechanism, the flow guide and shunt assembly comprising a welded frame and a connecting piece, the connecting piece being arranged in the welded frame, the connecting piece being connected to the top rod, and the top rod being in contact connection with the flap mechanism.
5. The surge protector of claim 4, wherein The tripping monitoring module comprises a travel switch, the top rod being in contact connection with the travel switch; When the surge protector fails, the varistor generates heat, the temperature is transmitted to a soldering point, the welded frame is tripped, the top rod drives the flap to turn over, and local tripping alarm is realized. The top rod triggers the travel switch alarm, the travel switch is connected with the MCU module, and the MCU module realizes remote trip alarm through the communication module.
6. The surge protector of claim 4, wherein The connecting piece is detachably connected with the top rod. The connecting piece has an assembly groove at one end, and the top rod is correspondingly provided with an assembly protrusion which is slidably assembled into the assembly groove to connect the connecting piece and the top rod.
7. The surge protector of claim 6, wherein The connecting piece, the top rod and the flap are all arranged on a guide support, the flap is rotatably connected with the top end of the guide support, a slide is arranged in the guide support, and the top rod is slidably connected with the slide.
8. The surge protector of claim 3, wherein The fuse alarm unit is connected in parallel with the fuse, the fuse alarm unit sends a fuse alarm signal, the fuse monitoring module receives the fuse alarm signal and sends it to the MCU module, and the MCU module realizes remote alarm through the communication module.
9. The surge protector of claim 8, wherein The fuse alarm unit includes a first fuse alarm lamp which is connected in parallel with the fuse. The fuse monitoring module includes a second fuse alarm lamp and a photosensitive sensor, the second fuse alarm lamp is connected in parallel or in series with the first fuse alarm lamp, and the second fuse alarm lamp is arranged towards the photosensitive sensor. When the fuse is fused, the first fuse alarm lamp and the second fuse alarm lamp emit light, the first fuse alarm lamp sends an alarm to realize local fuse alarm. The second fuse alarm lamp emits light, the photosensitive sensor detects the light signal of the second fuse alarm lamp and converts it into an electric signal which is sent to the MCU module, and the MCU module realizes remote fuse alarm through the communication module.
10. The surge protector of any of claims 1-9, wherein The circuit board is also provided with a lightning protection element life warning module which predicts the service life of the lightning protection element according to the monitored temperature of the lightning protection element. The lightning protection element life warning module includes a thermal element, a probe, a temperature sensor, the thermal element, the probe and the temperature sensor are connected in sequence, the temperature sensor monitors the temperature data of the lightning protection element and transmits it to the probe through the thermal element, the probe is connected with the MCU module, and the MCU module realizes remote lightning protection element life alarm through the communication module.
Citation Information
Patent Citations
Environment intelligence monitoring device of integrated distribution lightning protection monitoring
CN206430755U
An apparatus for monitoring surge protector and monitoring system
CN209282809U
Surge protector
CN213151717U