CN214590590U - High-lightning-impact-resistance device with pre-transmitting circuit - Google Patents

Abstract

The utility model discloses a high resistant lightning stroke impact take pre-ignition circuit arrangement, concretely relates to power equipment field, including the insulating ceramic body, insulating ceramic body inner wall bottom is equipped with waterproof bottom plate, the inside circuit subassembly that is equipped with of insulating ceramic body, the circuit subassembly outside is around being equipped with air flue insulating structure, the air flue insulating structure both ends outside has cup jointed the tungsten contact of N thunderbolt and the tungsten contact of L thunderbolt respectively, the tungsten contact outside of N thunderbolt is equipped with the N electrode, the tungsten contact outside of L thunderbolt is equipped with the L electrode. The utility model discloses a be equipped with insulating ceramic body, N electrode and L electrode, this kind of setting cooperation insulating ceramic body and N electrode and L electrode and insulating ceramic body fixed connection, can the risk of effectual improvement clearance short circuit, because the clearance between the main circuit is the big clearance discharge more than 5mm, can the effectual problem that improves product short circuit and resistance descend, enable the product moreover and keep Up the high protection level of 1500 v.

Description

High-lightning-impact-resistance device with pre-transmitting circuit

Technical Field

The utility model relates to a power equipment technical field, more specifically say, the utility model relates to a high resistant thunder strikes area pre-ignition circuit arrangement who assaults.

Background

Most lightning protection elements in the prior industry, such as air gaps, graphite gaps, ceramic gas discharge tubes, MOVs and the like, have the characteristics of quick lightning pulse and delayed response, once the speed of a lightning signal reaches 10Kv/uS, even higher, the lightning protection elements cannot respond to the action and start to play a role of protection, already several kilovolts, according to statistics, once the speed of the lightning signal is higher than 1500v, the lightning damage probability is multiplied, so that the lightning protection effect of most lightning protection elements is poor, particularly, the lightning protection elements are easy to cause great economic loss in the industries of transportation, airports, telecommunication and the like, and the prior art is forced to design very small discharge gaps to meet the international standard, generally designed positive and negative electrodes are gaps of 0.5 mm-2.00 mm, and the discharge tubes with the small gaps are easy to be ablated by electric arcs under the conditions of large current circulation or alternating current circulation, so as to cause creepage and arc discharge, in addition, only a small gap exists, or the metal electrode of the discharge tube cannot meet the standard requirements, and during design, a great amount of electronic powder materials with low overflow work are added into the electrode, so that the lightning stroke performance of the product is reduced, the lightning stroke stability is poor, active substances added during overvoltage and overcurrent lightning strokes can be ablated and sputtered on the wall of an electronic tube, the resistance is reduced, the breakdown voltage is reduced, and the short circuit can be caused under extreme conditions.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defects of the prior art, the embodiments of the present invention provide a tape pre-ignition circuit device with high lightning strike resistance.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high resistant lightning stroke impact takes pre-ignition circuit arrangement, includes the insulating ceramic body, insulating ceramic body inner wall bottom is equipped with waterproof bottom plate, the inside circuit subassembly that is equipped with of insulating ceramic body, the circuit subassembly outside is around being equipped with the insulating structure of air flue, the insulating structure both ends outside of air flue has cup jointed N thunderbolt tungsten contact and L thunderbolt tungsten contact respectively, the N thunderbolt tungsten contact outside is equipped with the N electrode, the L thunderbolt tungsten contact outside is equipped with the L electrode, insulating ceramic body top is equipped with trigger electrode board, the fixed telluric electricity field that is equipped with in insulating ceramic body bottom.

In a preferred embodiment, an explosion-proof film is arranged on the surface of the inner wall of the insulating ceramic body in a surrounding mode, a plurality of mounting grooves are uniformly formed in the insulating ceramic body, the air passage insulating structural member, the N lightning stroke tungsten contact and the L lightning stroke tungsten contact are arranged in the mounting grooves, and the outer side surface of the insulating ceramic body is communicated with a communication port.

In a preferred embodiment, the gap distance between the N electrode and the L electrode is 3-6 mm.

In a preferred embodiment, the connection mode of the N lightning stroke tungsten contact and the L lightning stroke tungsten contact and the air passage insulation structural member is low-temperature welding, and the maximum temperature born by a welding spot is in centigrade.

In a preferred embodiment, a power generation assembly is fixedly arranged on the top surface of the trigger electrode plate, the power generation assembly is communicated with the insulating ceramic body through a connecting plate, a photovoltaic converter is arranged inside the power generation assembly, and one side of the photovoltaic converter is connected with a storage battery box through a transmission cable.

In a preferred embodiment, the number of the ground electrodes is two and the ground electrodes are internally provided with electric wires.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a be equipped with the insulating ceramic body, N electrode and L electrode, this kind of setting cooperates insulating ceramic body and N electrode and L electrode and insulating ceramic body fixed connection, can the risk of effectual improvement clearance short circuit, because the clearance between the main circuit is the big clearance discharge more than 5mm, can the problem that product short circuit and resistance descend is effectively improved, and can make the product keep Up to be <1500v high protection grade level, earthing electrode and trigger plate electrode can be effectual cushion and disperse when receiving high strength electric power impact simultaneously, and can save electric power and reserve, ensure the shock resistance and the life of equipment;

2. through being equipped with air flue insulating structure spare, L thunderbolt tungsten contact and N thunderbolt tungsten contact, this kind of setting cooperation air flue insulating structure spare and L thunderbolt tungsten contact fixed connection and N thunderbolt tungsten contact and air flue insulating structure spare fixed connection, can have outstanding anti heavy current impact's stable thunderbolt performance, and it can be said that make the product have high afterflow interdiction ability, reliable afterflow interdiction ability is up to 255VAC, 500A, reliable afterflow interdiction ability is up to 255VAC, 50kA, under the super large thunderbolt level condition, response characteristic can also remain stable, afterflow interdiction ability keeps stability, and then satisfy, and exceeded the industry standard requirement.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a rear view of the overall structure of the present invention.

Fig. 3 is a side view of the overall structure of the present invention.

Fig. 4 is a cross-sectional view of the insulating ceramic body of the present invention.

The reference signs are: the device comprises an insulating ceramic body 1, an explosion-proof film 11, a mounting groove 12, a communication port 13, a waterproof bottom plate 2, an air passage insulating structural part 3, a tungsten contact struck by 4N lightning, a tungsten contact struck by 5L lightning, an electrode 6N, an electrode 7L, a trigger electrode plate 8, a power generation assembly 81, a connecting plate 82, a photovoltaic converter 83, an accumulator box 84 and a grounding electrode 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

According to the tape pre-ignition circuit device with high lightning strike impact resistance shown in the figures 1-4, the tape pre-ignition circuit device comprises an insulating ceramic body 1, a waterproof bottom plate 2 is arranged at the bottom of the inner wall of the insulating ceramic body 1, a circuit assembly is arranged inside the insulating ceramic body 1, an air passage insulating structural member 3 is arranged outside the circuit assembly in a surrounding mode, a N lightning stroke tungsten contact 4 and an L lightning stroke tungsten contact 5 are respectively sleeved on the outer sides of two ends of the air passage insulating structural member 3, an N electrode 6 is arranged on the outer side of the N lightning stroke tungsten contact 4, an L electrode 7 is arranged on the outer side of the L lightning stroke tungsten contact 5, a trigger electrode plate 8 is arranged at the top of the insulating ceramic body 1, and an earthing electrode 9 is fixedly arranged at the bottom of the insulating ceramic body 1.

The surface of the inner wall of the insulating ceramic body 1 is provided with an explosion-proof film 11 in a surrounding manner, a plurality of mounting grooves 12 are uniformly arranged inside the insulating ceramic body 1, an air passage insulating structural member 3, an N lightning stroke tungsten contact 4 and an L lightning stroke tungsten contact 5 are arranged inside the mounting grooves 12, the surface of the outer side of the insulating ceramic body 1 is communicated with a communication port 13, and the insulating ceramic body 1 ensures the stability and the insulating explosion-proof performance of internal equipment.

The surface of the inner wall of the insulating ceramic body 1 is provided with an explosion-proof film 11 in a surrounding manner, a plurality of mounting grooves 12 are uniformly arranged inside the insulating ceramic body 1, an air passage insulating structural member 3, an N lightning stroke tungsten contact 4 and an L lightning stroke tungsten contact 5 are arranged inside the mounting grooves 12, and the surface of the outer side of the insulating ceramic body 1 is communicated with a communication port 13.

The N lightning stroke tungsten contact 4 and the L lightning stroke tungsten contact 5 are both formed by mixing tungsten with the content of 80% and copper with the content of 20%, so that the stable heavy-current lightning stroke resistance is facilitated, and the gap distance between the N electrode 6 and the L electrode 7 is 3-6mm, so that the large-gap discharge is facilitated.

The connection mode of the N lightning stroke tungsten contact 4 and the L lightning stroke tungsten contact 5 and the air flue insulating structural part 3 is low-temperature welding, and the maximum temperature born by a welding spot is 125 ℃, so that a power circuit is protected conveniently.

The top surface of the trigger electrode plate 8 is fixedly provided with a power generation assembly 81, the power generation assembly 81 is communicated with the insulating ceramic body 1 through a connecting plate 82, the inner side of the power generation assembly 81 is provided with a photovoltaic converter 83, one side of the photovoltaic converter 83 is connected with a storage battery box 84 through a transmission cable, so that electric power can be stored and reserved, and the shock resistance and the service life of equipment are ensured.

The grounding electrodes 9 are arranged in two and the grounding wires are arranged in the grounding electrodes 9, so that the buffering and the dispersion can be effectively carried out when the high-intensity electric shock is applied.

The utility model discloses the theory of operation:

referring to the description accompanying fig. 1 and 4: the anti-explosion film and the waterproof bottom plate 2 in the insulating ceramic body 1 ensure the stability, insulation and explosion prevention of internal equipment, the connection mode of the N lightning stroke tungsten contact 4 and the L lightning stroke tungsten contact 5 with the air flue insulating structural member 3 is low-temperature welding, the maximum temperature born by a welding spot is 125 ℃, a power circuit is protected conveniently, the gap distance between the N electrode 6 and the L electrode 7 is 3-6mm, and large-gap discharge is facilitated;

referring to the description figures 1, 2 and 3: the pre-trigger circuit can pre-discharge and ignite under the condition of lightning stroke such as direct lightning stroke, inductive lightning stroke and the like and under the coordination of the N electrode 6 and the L electrode 7, the voltage is less than 1500v at the moment, and then pulse current can be formed, so that the N electrode 6 and the L electrode 7 trigger ignition, the main discharge gap breaks down rapidly, the ultra-fast response characteristic is formed, the time is less than 100nS, thereby ensuring that the module Up can be less than 1500V of ultra-low protection level under any pulse lightning strike condition, the grounding electrode 9 and the trigger electrode plate 8 can effectively buffer and disperse when being impacted by high-strength electric power, and can store and reserve the electric power, ensure the shock resistance and the service life of the equipment, ensure that under the condition of ultra-large lightning stroke level, the response characteristic can be kept stable, and the follow current interruption capability can be kept stable, so that the requirement of the industry standard is met and exceeded.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A high lightning strike impact resistance tape prefire circuit device, comprising an insulating ceramic body (1), characterized in that: insulating ceramic body (1) inner wall bottom is equipped with waterproof bottom plate (2), insulating ceramic body (1) inside is equipped with circuit assembly, the circuit assembly outside is encircleed and is equipped with air flue insulating structure (3), air flue insulating structure (3) both ends outside has cup jointed N thunderbolt tungsten contact (4) and L thunderbolt tungsten contact (5) respectively, N thunderbolt tungsten contact (4) outside is equipped with N electrode (6), L thunderbolt tungsten contact (5) outside is equipped with L electrode (7), insulating ceramic body (1) top is equipped with trigger electrode board (8), insulating ceramic body (1) bottom is fixed and is equipped with telluric electricity field (9).

2. The tape prefire circuit device of claim 1, wherein said tape prefire circuit device is characterized by: the explosion-proof membrane (11) is arranged on the surface of the inner wall of the insulating ceramic body (1) in a surrounding mode, a plurality of mounting grooves (12) are evenly formed in the insulating ceramic body (1), the air flue insulating structural member (3), the N lightning stroke tungsten contact (4) and the L lightning stroke tungsten contact (5) are arranged in the mounting grooves (12), and the outer side surface of the insulating ceramic body (1) is communicated with a communication port (13).

3. The tape prefire circuit device of claim 1, wherein said tape prefire circuit device is characterized by: the gap distance between the N electrode (6) and the L electrode (7) is 3-6 mm.

4. The tape prefire circuit device of claim 1, wherein said tape prefire circuit device is characterized by: the connection mode of the N lightning stroke tungsten contact (4) and the L lightning stroke tungsten contact (5) and the air flue insulating structural part (3) is low-temperature welding, and the maximum temperature born by a welding spot is 125 ℃.

5. The tape prefire circuit device of claim 1, wherein said tape prefire circuit device is characterized by: the surface fixing of trigger electrode board (8) top is equipped with electricity generation subassembly (81), communicate through connecting plate (82) between electricity generation subassembly (81) and the insulating ceramic body (1), electricity generation subassembly (81) inboard is equipped with electric volt converter (83), electric volt converter (83) one side is connected with accumulator case (84) through the transmission cable.

6. The tape prefire circuit device of claim 1, wherein said tape prefire circuit device is characterized by: the number of the grounding electrodes (9) is two, and the grounding electrodes (9) are internally provided with power connection wires.

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