CN111342284A

CN111342284A - Lightning protection electric connector

Info

Publication number: CN111342284A
Application number: CN202010144019.9A
Authority: CN
Inventors: 姜飞; 冯娟
Original assignee: Anhui Yingchi Electric Technology Co ltd
Current assignee: Anhui Yingchi Electric Technology Co ltd
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2020-06-26

Abstract

The invention discloses a lightning protection electric connector which comprises an insulating shell, wherein an electricity connecting ring is fixedly arranged on the inner side of an elastic sealing gasket, an electricity connecting spring is connected to the electricity connecting ring, and a plurality of groups of arc-shaped conductive pieces are arranged on the electricity connecting spring; the grounding cable comprises an insulating shell, a grounding cable, a lightning protection circuit board, a grounding cable and a grounding cable, wherein a conducting ring is embedded in the side wall of the insulating shell and connected with an electric connection ring; the upper conducting rod is connected to the indicating lamp, and the lower conducting block is provided with a connecting rope. The lightning protection electric connector provided by the invention is stable and reliable in connection, can be connected with different types of external equipment, can be used for detecting whether the contact point and the elastic connecting bridge are loosened or not by the aid of the built-in indicator lamp, is good in heat dissipation effect, and is very worthy of popularization.

Description

Lightning protection electric connector

Technical Field

The invention relates to the technical field of connectors, in particular to a lightning protection electric connector.

Background

In the prior art, the lightning protection connector of application number "201821172609.7" includes a housing, a lightning protection circuit board, and a relay connector, where the upper end of the housing has a wire passing hole for a cable to pass through, the lower end of the housing is formed with an internal thread, the relay connector is in threaded connection with the lower end of the housing, the lightning protection circuit board is disposed in the housing, the relay connector is connected with the lightning protection circuit board, the lightning protection circuit board is formed with a wiring hole for connecting the cable, and the relay connector is formed with a jack for connecting a sensor or an electrical device; when the sensor or the electrical equipment is struck by lightning, the lightning protection circuit board connected with the sensor or the electrical equipment can quickly release the lightning, so that the phenomenon that instantaneous high voltage and high current formed in a lightning strike environment directly enter the sensor or the electrical equipment to cause failure of the sensor or the electrical equipment is prevented, and the effect of protecting the sensor or the electrical equipment is achieved.

However, the method still has the obvious defects in the using process: 1. the relay connector of the device is provided with a fixed jack, can only adapt to the external connector of electrical equipment with one specification, and has a limited application range; 2. the device is lack of a structure for fixing external wires or external conducting rods with different specifications, so that the device is easy to loosen in use and cannot achieve a good lightning protection effect; 3. after the device is used for a long time, the lightning protection circuit board may age to cause the welding part of the contact point to loosen, so that the lightning protection effect is lost, the device cannot be detected on the premise of not being detached, and if a connector without the lightning protection function is used, equipment can be damaged and scrapped when lightning happens, so that the device has great potential safety hazard; 4. the device has no heat dissipation function, and the heat accumulation phenomenon exists when the internal elements pass through a large amount of current, and if the heat accumulation phenomenon does not occur in time, the internal elements are damaged, so that the service life is shortened.

Disclosure of Invention

The present invention is directed to a lightning protection electrical connector to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme:

a lightning protection electric connector comprises an insulating shell, wherein a mounting base is fixedly arranged at the bottom of the insulating shell, an elastic sealing gasket is arranged on one side, away from the insulating shell, of the mounting base, an electric connection ring is fixedly arranged on the inner side of the elastic sealing gasket, an electric connection spring is connected and arranged on the electric connection ring, a plurality of groups of arc-shaped electric conduction pieces are arranged on the electric connection spring, a connection block is arranged between every two adjacent arc-shaped electric conduction pieces, electric conduction springs are arranged at two ends of the connection block, and one end, away from the connection block, of each electric conduction spring is connected;

the anti-thunder cable comprises an insulating shell, a grounding cable, a lightning protection circuit board, an elastic connecting bridge and a grounding cable, wherein a conducting ring is embedded in the side wall of the insulating shell and connected with an electric connecting ring;

a heat conducting plate is connected above the elastic connecting bridge close to the contact point, a rotating shaft is fixedly arranged at the center of the heat conducting plate, the rotating shaft is movably arranged on a central rod, the central rod is fixedly arranged in an inner cavity of an insulating shell, a heat radiating plate is arranged on the heat conducting plate, insulating springs are symmetrically connected and arranged between the heat radiating plate and the inner wall of the insulating shell, and a bolt column is fixedly arranged on one side of the heat conducting plate close to the lightning protection circuit board;

the improved bolt comprises a fixing seat and is characterized in that a concave block is fixedly arranged on the fixing seat, a sliding plate is movably arranged in an inner cavity of the concave block, a lower conducting block is fixedly arranged above the sliding plate and connected with a relay connector through an electric wire, a connecting spring is connected to the lower portion of the sliding plate and connected to the bottom of the concave block, an upper conducting rod is fixedly arranged in the concave block and connected to an indicator lamp, the indicator lamp is arranged in a transparent sealing section of an insulating shell, an extension rod is fixedly arranged in the inner cavity of the insulating shell, a guide wheel is arranged on the extension rod, a connecting rope is arranged on the lower conducting block, and the connecting rope is fixed on a bolt post after bypassing the guide wheel.

Preferably, a threaded hole is formed in the mounting base, and a locking bolt is arranged in the threaded hole in a threaded manner.

Preferably, the transmission line is disposed in the fixing base.

Preferably, the ground contacting cable is provided with an elastic ring at a position penetrating through the insulating housing.

Preferably, the electric wire penetrates through the sliding plate, the concave block and the fixed seat in sequence.

Preferably, one end of the concave block close to the upper conducting rod is fixedly provided with a limiting piece.

Compared with the prior art, the invention has the beneficial effects that:

1. the installation base of the device is provided with the elastic sealing gasket, and the elastic sealing gasket can be properly extruded when the bolt is locked during installation, so that no installation gap exists between the interior of the lightning protection electric connector and external equipment, and the influence of water seepage, dust falling and the like at the gap on the normal use of the connector is avoided;

2. the relay connector in the device is provided with the jack, and the inlet end is provided with a plurality of groups of arc-shaped conductive pieces which are connected with the conductive spring through the connecting block, so that the device can be used for inserting the conductive rods and the conductive wires into the jack and also can be used for electrically connecting wires or plug rods of external equipment among the arc-shaped conductive pieces;

3. when a welding part between a contact point and an elastic connecting bridge is loosened, an insulating spring can push a heat conducting plate close to one side of a bolt column to incline downwards so as to drive a pull rope, so that a lower conducting block moves upwards to be contacted with an upper conducting rod, a relay connector is electrified at the moment, the relay connector sequentially passes through an electric wire, the lower conducting block and the upper conducting rod to supply power to the indicator lamp, and if the indicator lamp is lightened at the moment, the contact point and the elastic connecting bridge are loosened, and the indicator lamp is required to be replaced and maintained in time;

4. the heat conducting plate in the device not only has the function of triggering the indicator lamp to be turned on, but also can conduct and dissipate heat generated on the elastic connecting bridge in time, so that the heat accumulation is avoided from damaging elements.

The lightning protection electric connector provided by the invention is stable and reliable in connection, can be connected with different types of external equipment, can be used for detecting whether the contact point and the elastic connecting bridge are loosened or not by the aid of the built-in indicator lamp, is good in heat dissipation effect, and is very worthy of popularization.

Drawings

FIG. 1 is a top view of a cross-sectional structure of a general frame of the present invention;

FIG. 2 is a schematic bottom view of the mounting base of the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;

FIG. 4 is a front sectional view of the internal structure of the insulating housing according to the present invention;

fig. 5 is an enlarged view of the invention at B in fig. 4.

In the figure: 1 insulating shell, 2 mounting base, 3 threaded holes, 4 locking bolts, 5 elastic sealing gaskets, 6 electric connecting rings, 7 electric connecting springs, 8 arc-shaped electric conducting pieces, 9 connecting blocks, 10 electric conducting springs, 11 electric conducting rings, 12 relay connectors, 13 jacks, 14 fixing seats, 15 lightning protection circuit boards, 16 transmission lines, 17 contact points, 18 elastic connecting bridges, 19 ground contact cables, 20 elastic rings, 21 heat conducting plates, 22 rotating shafts, 23 central rods, 24 heat radiating plates, 25 insulating springs, 26 studs, 27 concave blocks, 28 sliding plates, 29 lower electric conducting blocks, 30 electric wires, 31 connecting springs, 32 upper electric conducting rods, 33 indicating lamps, 34 transparent sealing sections, 35 limiting pieces, 36 extending rods, 37 guide wheels and 38 connecting ropes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

a lightning protection electric connector comprises an insulating shell 1, a mounting base 2 is fixedly arranged at the bottom of the insulating shell 1, an elastic sealing gasket 5 is arranged at one side of the mounting base 2, which is far away from the insulating shell 1, the elastic sealing gasket 5 is arranged at the inner side of a threaded hole 3, an electricity connecting ring 6 is fixedly arranged at the inner side of the elastic sealing gasket 5, an electricity connecting spring 7 is connected to the electricity connecting ring 6, the electricity connecting ring 6 and the electricity connecting spring 7 are both conductive, a plurality of groups of arc-shaped conductive pieces 8 are arranged on the electricity connecting spring 7, a connecting block 9 is arranged between adjacent arc-shaped conductive pieces 8, conductive springs 10 are arranged at two ends of the connecting block 9, one end of each conductive spring 10, which is far away from the connecting block 9, is connected to the arc-shaped conductive pieces 8, so that the arc-, the loosening is prevented, and on the other hand, the arc-shaped conductive piece 8 has conductivity and can start to conduct electricity from the access front end inside the insulating shell 1 to adapt to different access positions of different equipment joints.

The side wall of the insulating shell 1 is embedded with a conducting ring 11, the conducting ring 11 is connected with an electric connection ring 6, a relay connector 12 and a fixed seat 14 are fixedly arranged in the insulating shell 1, a jack 13 is arranged on the relay connector 12, a plug of an access end of an external device can be inserted into the jack 13, a lightning protection circuit board 15 is fixedly arranged on the fixed seat 14, different types of lightning protection circuit boards can be selected according to actual conditions, the lightning protection circuit boards are electronic devices well known by technicians in the field, the lightning protection circuit boards are not described in detail herein, the lightning protection circuit board 15 is connected with the relay connector 12 through a transmission line 16, a contact point 17 is arranged on the lightning protection circuit board 15, an elastic connection bridge 18 is welded on the contact point 17, the elastic connection bridge 18 is connected on a grounding cable 19, the grounding cable 19 can be grounded at multiple points in the using process, and the voltage of, the lightning current is shunted, and the lightning resistance is greatly improved.

The elastic connection bridge 18 top that is close to contact point 17 is connected and is provided with heat-conducting plate 21, heat-conducting plate 21 can in time conduct the heat that produces on the elastic connection bridge 18, avoid long-pending heat, the fixed pivot 22 that is provided with in center department of heat-conducting plate 21, pivot 22 activity sets up on well core rod 23, pivot 22 can rotate, well core rod 23 is fixed to be set up in insulating housing 1's inner chamber, be provided with heating panel 24 on the heat-conducting plate 21, the heat that conducts on heat-conducting plate 21 is diffused to heating panel 24, symmetrical connection is provided with insulating spring 25 between heating panel 24 and insulating housing 1's the inner wall, under the initial condition of no external force, insulating spring 25 applys even effort to heat-conducting plate 21, heat-conducting plate 21 is in balanced state, one side that heat-conducting.

The fixed seat 14 is fixedly provided with a concave block 27, the inner cavity of the concave block 27 is movably provided with a sliding plate 28, the sliding plate 28 can move up and down in the inner cavity of the concave block 27, the upper part of the sliding plate 28 is fixedly provided with a lower conducting block 29, the lower conducting block 29 is connected with the relay connector 12 through an electric wire 30, the lower part of the sliding plate 28 is connected with a connecting spring 31, the connecting spring 31 is connected with the bottom of the concave block 27, the concave block 27 is fixedly provided with an upper conducting rod 32, the upper conducting rod 32 is connected with an indicator lamp 33, the indicator lamp 33 is used for detecting whether the contact point and the elastic connecting bridge are loosened or not, the indicator lamp 33 is arranged in a transparent sealing section 34 of the insulating, therefore, the observation of the indicator light 33 is not affected, the extension rod 36 is fixedly arranged in the inner cavity of the insulating shell 1, the guide wheel 37 is arranged on the extension rod 36, the connecting rope 38 is arranged on the lower conductive block 29, and the connecting rope 38 is fixed on the bolt 26 after bypassing the guide wheel 37.

Preferably, the mounting base 2 is provided with a threaded hole 3, the threaded hole 3 is provided with a locking bolt 4 in a threaded manner, and the connector can be fixed on the equipment through the locking bolt 4.

As one preference, the transmission line 16 is disposed in the holder 14, so that the overall appearance is neater.

Preferably, the ground cable 19 is provided with an elastic ring 20 at a position penetrating through the insulating housing 1, so that the ground cable 19 can be fixed and a certain moving space can be provided for the ground cable 19.

Preferably, the electrical wire 30 passes through the slide plate 28, the concave block 27 and the fixing base 14 in sequence.

Preferably, a limiting member 35 is fixedly disposed at one end of the female block 27 close to the upper conductive rod 32, and the limiting member 35 mainly functions to limit the position through which the connecting rope 38 passes.

The working principle is as follows: when the anti-loosening lightning protection device is installed, connecting pieces such as a conducting wire, a plug or a conducting rod of external equipment are inserted into the insulating shell 1, the plug can be inserted into a jack 13 formed in the relay connector 12, the conducting wire and the conducting rod can firstly penetrate through a ring formed by the arc-shaped conducting pieces 8, the arc-shaped conducting pieces 8 are connected through the conducting spring 10, so that the anti-loosening lightning protection device has elasticity, the conducting wire and the conducting rod can be firmly fixed and prevented from loosening, current can be conducted to the arc-shaped conducting pieces 8 through the conducting wire and the conducting rod, then the current is conducted to the relay connector 12 through the power connection spring 7, the power connection ring 6 and the conducting ring 11 in sequence, the relay connector 12 is connected to the lightning protection circuit board 15 through the transmission line 16, the lightning protection circuit board 15 is provided with a contact point 17, an elastic connection bridge 18 is welded on the contact point 17, the, when suffering from lightning stroke, the lightning stroke current-shunt device can reduce the voltage at each position of external electrical equipment and the like, shunts the lightning stroke current, and greatly improves the lightning stroke resistance.

In use, because the lightning protection circuit board 15 can take place the welding position of contact point 17 not hard up because of ageing, at this moment, can detect, specifically, relay joint 12 circular telegram, relay joint 12 is connected with lower conducting block 29 through electric wire 30, consequently lower conducting block 29 is also electrified, when the welding part between contact point 17 and elastic connection bridge 18 takes place to loosen and takes place to take place, original balance is broken, insulating spring 25 can promote the heat-conducting plate 21 that is close to bolt post 26 one side and slope down, thereby drive even rope 38 and remove, even rope 38 upwards pulls lower conducting block 29, make lower conducting block 29 and last conducting rod 32 communicate, pilot lamp 33 lights, it takes place to demonstrate that the welding position of contact point 17 and elastic connection bridge 18 appears to loosen, need in time overhaul the change, reduce the potential safety hazard.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A lightning protection electrical connector comprises an insulating housing (1), characterized in that: the bottom of the insulating shell (1) is fixedly provided with a mounting base (2), one side, away from the insulating shell (1), of the mounting base (2) is provided with an elastic sealing gasket (5), the inner side of the elastic sealing gasket (5) is fixedly provided with an electricity connecting ring (6), the electricity connecting ring (6) is connected with an electricity connecting spring (7), the electricity connecting spring (7) is provided with a plurality of groups of arc-shaped conductive pieces (8), a connecting block (9) is arranged between every two adjacent arc-shaped conductive pieces (8), two ends of the connecting block (9) are provided with conductive springs (10), and one end, away from the connecting block (9), of each conductive spring (10) is connected to the arc-shaped conductive piece (8);

a conducting ring (11) is embedded into the side wall of the insulating shell (1), the conducting ring (11) is connected with the power connection ring (6), a relay connector (12) and a fixed seat (14) are fixedly arranged in the insulating shell (1), a jack (13) is formed in the relay connector (12), a lightning protection circuit board (15) is fixedly arranged on the fixed seat (14), the lightning protection circuit board (15) is connected with the relay connector (12) through a transmission line (16), a contact point (17) is arranged on the lightning protection circuit board (15), an elastic connection bridge (18) is welded on the contact point (17), and the elastic connection bridge (18) is connected to a grounding cable (19);

a heat conducting plate (21) is connected and arranged above the elastic connecting bridge (18) close to the contact point (17), a rotating shaft (22) is fixedly arranged at the center of the heat conducting plate (21), the rotating shaft (22) is movably arranged on a central rod (23), the central rod (23) is fixedly arranged in an inner cavity of the insulating shell (1), a heat radiating plate (24) is arranged on the heat conducting plate (21), insulating springs (25) are symmetrically connected and arranged between the heat radiating plate (24) and the inner wall of the insulating shell (1), and a bolt column (26) is fixedly arranged on one side, close to the lightning protection circuit board (15), of the heat conducting plate (21);

the improved insulation device is characterized in that a concave block (27) is fixedly arranged on the fixed seat (14), a sliding plate (28) is movably arranged in an inner cavity of the concave block (27), a lower conductive block (29) is fixedly arranged above the sliding plate (28), the lower conductive block (29) is connected with a relay connector (12) through an electric wire (30), a connecting spring (31) is connected below the sliding plate (28), the connecting spring (31) is connected to the bottom of the concave block (27), an upper conductive rod (32) is fixedly arranged in the concave block (27), the upper conductive rod (32) is connected with an indicator lamp (33), the indicator lamp (33) is arranged in a transparent sealing section (34) of the insulation shell (1), an extension rod (36) is fixedly arranged in the inner cavity of the insulation shell (1), a guide wheel (37) is arranged on the extension rod (36), a connecting rope (38) is arranged on the lower conductive block (29), the connecting rope (38) is fixed on the bolt column (26) after bypassing the guide wheel (37).

2. A lightning protection electrical connector according to claim 1, wherein: the mounting base (2) is provided with a threaded hole (3), and a locking bolt (4) is arranged in the threaded hole (3) in a threaded manner.

3. A lightning protection electrical connector according to claim 1, wherein: the transmission line (16) is arranged in the fixed seat (14).

4. A lightning protection electrical connector according to claim 1, wherein: an elastic ring (20) is arranged at the position where the grounding cable (19) penetrates through the insulating shell (1).

5. A lightning protection electrical connector according to claim 1, wherein: the electric wire (30) penetrates through the sliding plate (28), the concave block (27) and the fixed seat (14) in sequence.

6. A lightning protection electrical connector according to claim 1, wherein: one end of the concave block (27) close to the upper conducting rod (32) is fixedly provided with a limiting piece (35).