CN214625719U - Gap type power supply lightning protection device of 5G power supply board-mounted lightning protection device - Google Patents
Gap type power supply lightning protection device of 5G power supply board-mounted lightning protection device Download PDFInfo
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- CN214625719U CN214625719U CN202120651045.0U CN202120651045U CN214625719U CN 214625719 U CN214625719 U CN 214625719U CN 202120651045 U CN202120651045 U CN 202120651045U CN 214625719 U CN214625719 U CN 214625719U
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Abstract
The invention discloses a gap type power supply lightning protection device of a 5G power supply board-mounted lightning protection device, which comprises a lightning protection inner box body, a plurality of gap type lightning protection sub-units, a plurality of tripping units and a remote alarm unit; a plurality of accommodating cavities are sequentially arranged in the lightning protection inner box body at intervals, and a plurality of gap type lightning protection sub-units are placed in the accommodating cavities; one electrode of the gap type lightning protection subunits is electrically connected with each other, and the other electrodes of the gap type lightning protection subunits are electrically connected with the plurality of tripping units through welding respectively; the plurality of tripping units are connected with the remote alarm unit in an abutting mode, and the remote alarm unit is used for judging the working state of the gap type power supply lightning protection device. The lightning protection device is provided with the plurality of tripping units and the remote alarm unit, the tripping units are simple in structure and good in tripping effect, so that the lightning protection device is small in size, can be powered off quickly, improves the reliability and stability of the lightning protection device, has a remote alarm function and is complete in function.
Description
Technical Field
The invention relates to the technical field of warning lightning protection equipment, in particular to a gap type power supply lightning protection device of a 5G power supply board-mounted lightning protection device.
Background
The existing laminated discharge gap surge protector is generally externally provided with a disconnector or a disconnecting device on a trigger circuit for avoiding fire caused by short circuit failure of a product, the occupied space of the disconnector is larger due to the limitation of the use space, the demand cannot be met in narrow and small places with dense components, the requirement of space limitation can be solved by the disconnector, the surge protector is not really disconnected with a power grid after the trigger circuit is disconnected, when lightning flows, the voltages at two ends of the surge protector are multiplied, and equipment is damaged.
The product is suitable for popularization and application of the 5G base station; the product adopts a novel laminated discharge gap, is internally provided with a disconnector and has a remote signaling and alarming function.
Disclosure of Invention
The invention mainly aims to provide a gap type power supply lightning protection device of a 5G power supply board-mounted lightning protection device, aiming at solving the technical problems that the gap type power supply lightning protection device in the prior art is large in size or cannot be really disconnected with a power grid.
In order to achieve the above object, an embodiment of the present invention provides a gap-type power lightning protection device of a 5G power supply board-mounted lightning protection device, where the gap-type power lightning protection device includes a lightning protection inner box, a plurality of gap-type lightning protection sub-units, and a remote tripping alarm unit electrically connected to the plurality of gap-type lightning protection sub-units; the remote tripping alarm unit comprises a plurality of tripping units and a remote alarm unit; a plurality of accommodating cavities are sequentially arranged in the lightning protection inner box body at intervals, and the plurality of gap type lightning protection sub-units are placed in the accommodating cavities; each gap type lightning protection subunit is provided with two electrodes, one electrode of the gap type lightning protection subunits is electrically connected with each other, and the other electrode of the gap type lightning protection subunits is electrically connected with the tripping units through welding; the tripping units are abutted to the remote alarm unit, and the remote alarm unit is used for judging the working state of the gap type power supply lightning protection device.
Furthermore, the accommodating cavity comprises a first accommodating cavity for accommodating the gap type lightning protection subunit, a second accommodating cavity located above the first accommodating cavity and used for accommodating the tripping unit, and a third accommodating cavity located above the first accommodating cavity and used for accommodating the remote alarm unit; the second accommodating cavity and the third accommodating cavity are positioned on the same plane, and the third accommodating cavity is positioned on one side of the plurality of second accommodating cavities; and a connecting hole for communicating the first accommodating cavity with the second accommodating cavity is formed in the cavity bottom of the second accommodating cavity, and one electrode of the gap type lightning protection subunit is electrically connected with the tripping unit through welding through the connecting hole.
Furthermore, the tripping unit comprises a tripping elastic sheet, a tripping elastic piece and a tripping insulating piece; one end of the tripping elastic sheet is electrically connected with one electrode of the gap type lightning protection subunit through welding and is abutted against the tripping elastic piece, and the other end of the tripping elastic sheet is led out to the side edge of the lightning protection inner box body; the tripping insulating part comprises a rotating hole, a strip-shaped end and a fan-shaped end, and the strip-shaped end and the fan-shaped end are arranged at an obtuse angle relative to the rotating hole; a clamping groove is formed in the fan-shaped end of the tripping insulating piece, one end of the tripping elastic piece is clamped in the clamping groove, and the other end of the tripping elastic piece is fixedly placed on the cavity wall of the second accommodating cavity.
Further, the remote alarm unit comprises a plurality of alarm electrodes, and the alarm electrodes are located in the third accommodating cavity and extend to the joint of the second accommodating cavity and the third accommodating cavity; wherein the number of the plurality of alarm electrodes is equal to the number of the plurality of trip units plus 1.
Furthermore, each tripping unit corresponds to two alarm electrodes, wherein the strip-shaped end of the tripping unit is abutted to one of the alarm electrodes, and the two alarm electrodes are separated when the gap type power supply lightning protection device fails.
Furthermore, the alarm electrodes are made of metal elastic sheets, and a plurality of blocking baffles are arranged in the third accommodating cavity and used for isolating the alarm electrodes.
Further, a rotating shaft, a limiting baffle and an arc-shaped convex strip are arranged in the second accommodating cavity; the rotating hole of the tripping insulating part and the tripping elastic part are sequentially sleeved on the rotating shaft; the limiting baffle is arranged on a moving path of the strip-shaped end of the tripping insulating part and is used for limiting the maximum moving distance of the strip-shaped end of the tripping insulating part; the arc-shaped convex strip is arranged on a moving path of a fan-shaped end of the tripping insulating part and is positioned below the fan-shaped end when the fan-shaped end passes through.
Further, the height of the arc-shaped convex strip is gradually increased from one end contacting the fan-shaped end of the tripping insulating piece to the other end.
Furthermore, the number of the gap type lightning protection subunits is four.
Further, the gap type power lightning protection device is a graphite gap type power lightning protection device.
Compared with the prior art, the lightning protection device has the advantages that the lightning protection device is small in size, can be powered off quickly, reliability and stability of the lightning protection device are improved, the lightning protection device has a remote alarm function, and functions are complete.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1a is a schematic top view of an embodiment of a gap-type lightning protection device of a 5G power supply on-board lightning protection device according to the invention;
FIG. 1b is a schematic bottom view of an exemplary embodiment of a gap-type lightning protection device of a 5G power board-mounted lightning protection device according to the present invention;
FIG. 2 is a schematic diagram of an internal structure of the gap-type lightning protection device of the power supply of FIG. 1 in a normal state;
FIG. 3 is a schematic diagram of an internal structure of the gap-type lightning protection device of FIG. 1 in a failure state;
FIG. 4 is a schematic diagram of the remote alarm unit of FIG. 1;
fig. 5 is a schematic structural view of the trip insulator of fig. 1;
FIG. 6 is a schematic diagram of an internal structure of the gap type lightning protection sub-unit in FIG. 1;
fig. 7 is an electrical schematic diagram of the gap-type power lightning protection device in fig. 1.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
The reference numbers illustrate:
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.
It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture, and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" and/or "appears throughout, the meaning includes three parallel schemes, for example," A and/or B "includes scheme A, or scheme B, or a scheme satisfying both schemes A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
In order to better understand the technical scheme, the technical scheme is described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to fig. 3, fig. 1a is a schematic top view of an outline structure of an embodiment of a gap-type power lightning protection device of a 5G power board-mounted lightning protection device according to the invention; FIG. 1b is a schematic bottom view of an exemplary embodiment of a gap-type lightning protection device of a 5G power board-mounted lightning protection device according to the present invention; FIG. 2 is a schematic diagram of an internal structure of the gap-type lightning protection device of the power supply of FIG. 1 in a normal state; fig. 3 is a schematic diagram of an internal structure of the gap-type lightning protection device in fig. 1 in a failure state.
As shown in fig. 1 to fig. 3, the gap-type power lightning protection device 10 of the 5G power board-mounted lightning protection device of the present embodiment is mainly applied to a 5G PCB, and the gap-type power lightning protection device 10 includes a lightning protection inner box 100, a plurality of gap-type lightning protection sub-units 200, and a remote trip alarm unit 300 electrically connected to the plurality of gap-type lightning protection sub-units 200. The gap-type power lightning protection device 10 further includes an outer lightning protection box 400, wherein the outer lightning protection box 400 is fastened to the inner lightning protection box 100, and the external view is shown in fig. 1. For the sake of easy understanding, the contents of the thunder proof inner case 100 will be described with emphasis.
The remote trip alarm unit 300 includes a plurality of trip units 310 and a remote alarm unit 320; a plurality of accommodating cavities 110 are sequentially arranged in the lightning protection inner box body 100 at intervals, and a plurality of gap type lightning protection subunits 200 are arranged in the accommodating cavities 110; each gap type lightning protection subunit 200 has two electrodes, one of the electrodes of the gap type lightning protection subunits 200 is electrically connected to each other, and the other electrode of the gap type lightning protection subunits 200 is electrically connected to the plurality of tripping units 310 by welding; the plurality of trip units 310 abut against the remote alarm unit 320, and the remote alarm unit 320 is used for judging the operating state of the gap-type power lightning protection device 10. Wherein, the plurality of accommodating cavities 110 are sequentially arranged in the lightning protection internal box 100 at intervals, which means that the plurality of accommodating cavities 110 are sequentially arranged in the lightning protection internal box 100 at intervals according to the number of the gap-type lightning protection subunits 200, that is, the plurality of accommodating cavities 110 are disposed on the same side or the same side of the lightning protection internal box 100.
The utility model provides a clearance type power lightning protection device 10 is through being equipped with a plurality of dropout units 310 and long-range alarm unit 320, and dropout unit 310 simple structure is threaded down effectually for this lightning protection device 10 is not only small, and thereby can cut off the power supply fast and improve lightning protection device 10's reliability and stability, and have long-range warning function concurrently, multiple functional.
Specifically, the accommodating cavity 110 includes a first accommodating cavity 111 for accommodating the gap type lightning protection subunit 200, a second accommodating cavity 112 located above the first accommodating cavity 111 and for accommodating the trip unit 310, and a third accommodating cavity 113 located above the first accommodating cavity 111 and for accommodating the remote alarm unit 320; the second accommodating cavities 112 and the third accommodating cavities 113 are located on the same plane, and the third accommodating cavities 113 are located on one side of the plurality of second accommodating cavities 112; a connecting hole 114 is formed at the bottom of the second receiving cavity 112 to connect the first receiving cavity 111 and the second receiving cavity 112, and an electrode of the gap-type lightning protection sub-unit 200 is electrically connected to the trip unit 310 through the connecting hole 114 by welding. The number of the first receiving cavities 111 is the same as that of the second receiving cavities 112, and the first receiving cavities are arranged according to the number of the gap type lightning protection subunits 200, so that the first receiving cavities and the second receiving cavities all correspond to the number of the gap type lightning protection subunits 200 one to one. For convenience of understanding, the position where the remote alarm unit 320 is placed is divided into a third accommodating cavity 113, which is used for distinguishing from the first accommodating cavity 111 and the second accommodating cavity 112, and is not limited otherwise; in this embodiment, the third receiving cavity 113 and the second receiving cavity 112 are located on the same plane and located at one side of the plurality of second receiving cavities 112, so that the plurality of tripping units 310 and the remote alarm unit 320 are connected to each other in an abutting manner.
In this embodiment, the trip unit 310 includes a trip elastic sheet 311, a trip elastic member 312, and a trip insulating member 313. The tripping elastic sheet 311 is arranged in an "L" shape and has one end electrically connected to an electrode of the gap-type lightning protection subunit 200 by welding and abutted against the tripping elastic member 312, and the other end of the tripping elastic sheet 311 is led out to the side of the lightning protection inner box 100.
As shown in fig. 5, the trip insulation member 313 includes a rotation hole 3131, an elongated end 3132 and a fan-shaped end 3133, wherein the elongated end 3132 and the fan-shaped end 3133 are arranged at an obtuse angle with respect to the rotation hole 3131, and the obtuse angle ranges from 100 degrees to 150 degrees; the trip insulating member 313 is a fan-shaped insulating plate made of an insulating material, and the insulating material of the trip insulating member 313 may be an organic insulating material, an inorganic insulating material, or a hybrid insulating material.
A clamping groove 3134 is disposed on the fan-shaped end 3133 of the trip insulating member 313, one end of the trip elastic member 312 is clamped in the clamping groove 3134, and the other end of the trip elastic member 312 is fixedly disposed on the cavity wall of the second accommodating cavity 112. In a specific practical application, a blind groove (not shown) is formed at one side of the locking groove 3134, and the blind groove is used for preventing one end of the trip elastic element 312 from being easily separated after being inserted.
Further, as shown in fig. 4, the remote alarm unit 320 includes a plurality of alarm electrodes, and the plurality of alarm electrodes are located in the third receiving cavity 113 and extend to the connection between the second receiving cavity 112 and the third receiving cavity 113; wherein the number of the plurality of alarm electrodes is equal to the number of the plurality of trip units 310 plus 1. That is, if the number of the plurality of alarm electrodes is M and the number of the plurality of trip units is N, then M is N + 1; in the embodiment, the number of the gap type lightning protection subunit 200 is four for example, and correspondingly, the number of the plurality of tripping units 310 is also four, so that the number of the plurality of alarm electrodes is five by calculation. The reference figures may specifically be a first alert electrode 321, a second alert electrode 322, a third alert electrode 323, a fourth alert electrode 325, and a fifth alert electrode 325. The alarm electrodes are made of metal elastic sheets, and a plurality of separating baffles 1131 are arranged in the third accommodating cavity 113 and are used for separating the contact among the alarm electrodes. Because the metal shell fragment is made by the metal can, because of different structural design, its shape is different, only need satisfy between the electronic components electrical connection of pin can, do not do the injecing here to make separation baffle 1131 different according to the setting of reporting an emergency and asking for help or increased vigilance the electrode, do not do the injecing here to separation baffle 1131's quantity and shape, separation baffle 1131 only is used for keeping apart a plurality of electrodes that report an emergency and ask for help or increased vigilance.
Each trip unit 310 corresponds to two alarm electrodes, such as alarm electrode 1 and alarm electrode 2, wherein the elongated end 3132 of the trip unit 310 abuts against one of the alarm electrodes, and the two alarm electrodes are separated when the gap-type power lightning protection device 10 fails. The two warning electrodes are in a contact state when the gap type power supply lightning protection device works normally. Since two remote alarm electrodes among the multiple tripping units 310 are in a series circuit, the multiple tripping units 310 may share an alarm electrode, that is, the alarm electrode 312 may be the alarm electrode 2 of the first tripping unit 310, or the alarm electrode 1 of the second tripping unit 310, and so on, so that the number of alarm electrodes of the remote alarm unit 320 and the number of tripping units 310 are in the above formula relationship, that is, the number of alarm electrodes is equal to the number of the multiple tripping units 310 plus 1. Because two remote alarm electrodes among the plurality of tripping units 310 are in a series circuit, when one tripping unit 310 fails to trip, a remote alarm is given, and the timeliness and effectiveness of the gap-type power lightning protection device 10 are improved.
Further, the second accommodating cavity 112 is provided with a rotating shaft 1121, a limiting baffle 1122 and an arc-shaped protruding strip 1123.
The rotation hole 3131 of the trip insulation member 313 and the trip elastic member 312 are sequentially sleeved on the rotation shaft 1121, which means that after the rotation hole 3131 of the trip insulation member 313 is sleeved on the rotation shaft 1121, the trip elastic member 312 is sleeved on the rotation shaft 1121, that is, the trip elastic member 312 is located above the trip insulation member 313. Specifically, the tripping elastic member 312 includes an elastic member center portion 3121, an elastic member first end 3122, and an elastic member second end 3123, the elastic member first end 3122 and the elastic member second end 3123 are located at two sides of the elastic member center portion 3121 and extend at an angle, the tripping elastic member 312 is a torsion spring, the elastic member center portion 3121 of the tripping elastic member 312 is sleeved on the rotating shaft 1121, the elastic member first end 3122 is clamped in a clamping groove 3134 on a fan-shaped end 3133 of the tripping insulating member 313, the elastic member second end 3123 is fixedly disposed on the cavity wall of the second accommodating cavity 112, specifically, a fixing groove having an L-shaped cross section is disposed on the cavity wall of the second accommodating cavity 112, and the elastic member second end 3123 is radially fixed in the fixing groove.
The limit baffle 1122 is disposed on the moving path of the elongated end 3132 of the trip insulator 313, and is used for limiting the maximum moving distance of the elongated end 3132 of the trip insulator 313; an arc-shaped protrusion 1123 is disposed on the moving path of the fan-shaped end 3133 of the trip insulator 313, below the fan-shaped end 3133 as it passes by.
Specifically, when the gap-type power lightning protection device normally works, one end of the trip resilient tab 311 is electrically connected to one electrode of the gap-type lightning protection subunit 200 by welding and the trip resilient member 312 and the trip insulating member 313 are abutted to the welding position, so that the trip resilient member 312 is in a compressed state, the elongated end 3132 of the trip insulating member 313 reaches the maximum moving distance, and the elongated end 3132 of the trip insulating member 313 is directly abutted to the alarm electrode of the remote alarm unit 320, so that the two alarm electrodes of the trip unit 310 are in a contact state; when the gap-type power lightning protection device fails, after the solder between the tripping elastic sheet 311 and one electrode of the gap-type lightning protection subunit 200 is melted by high current, the tripping elastic member 312 is in an elastic recovery state, the tripping elastic member 312 drives the tripping insulating member 313 to rotate, the fan-shaped end 3133 of the tripping insulating member 313 passes through the arc-shaped convex strip 1123 and is located above the arc-shaped convex strip 1123, the isolation distance between the tripping elastic sheet 311 and one electrode of the gap-type lightning protection subunit 200 is increased, so that real isolation disconnection is realized, the long strip-shaped end 3132 of the tripping insulating member 313 is far away from the alarm electrode of the remote alarm unit 320, so that the two alarm electrodes of the tripping unit 310 are in a separated state, and remote alarm is performed.
Further, the height of the arc-shaped protrusion 1123 gradually increases from one end of the fan-shaped end 3133 of the contact trip insulator 313 to the other end. Wherein, arc sand grip 1123 is an arc, and arc sand grip 1123 is high from one end to the other end and is equidistant increase and/or equidistant increase of non-. Specifically, the equidistant increase means that the increasing heights of the intervals of the arc-shaped raised lines 1123 are equal, for example, one side edge of the arc-shaped raised lines 1123 is increased linearly or in a step shape, and the non-equidistant increase means that the increasing heights of the intervals of the arc-shaped raised lines 1123 are unequal, for example, one side edge of the arc-shaped raised lines 1123 is increased in a wavy line or in a zigzag shape; or a combination of the two.
The number of the gap type lightning protection electronic components in this embodiment is four. In other embodiments, the number of the gap-type lightning protection electronic components may be multiple, and is determined according to specific requirements, and is not limited herein. Referring to fig. 7, an electrical schematic diagram of the gap-type lightning protection subunit 200 is shown, in which the gap-type lightning protection device 10 is a graphite gap-type lightning protection device, and specifically, the gap-type lightning protection subunit 200 is a graphite gap-type lightning protection subunit. The graphite gap type lightning protection subunit is an existing product structure in the market and is not limited herein. Referring to fig. 6, each of the graphite gap type lightning protection sub-units 200 includes a first electrode sheet 201 facing upward, a second electrode sheet 202 connected to an external circuit and facing downward, and a main discharge circuit. The four second electrode plates 202 may be electrically connected together by a metal connecting plate, and may be divided into one electrode pin or two electrode pins, and then connected to an external circuit. In addition, the first electrode plates 201 of the four graphite gap type lightning protection sub-units 200 are respectively electrically connected with the tripping elastic sheet 311 of the tripping unit 310, so that four electrode pins are formed to extend out of the outer shell of the lightning protection box, and thus two Y-shaped layout structures and a circuit connection mode are formed. The main discharge circuit comprises two side posts 203 which are oppositely arranged and used for fixing a first electrode plate 201 and a second electrode plate 202, a plurality of discharge electrodes 204 which are arranged between the first electrode plate 201 and the second electrode plate 202, a plurality of insulating spacers 205 and a control circuit which is fixed on one of the side posts 203 and used for reducing the breakdown voltage between the first electrode plate 201 and the second electrode plate 202. One of the electrodes of each graphite gap type lightning protection subunit 200 is a first electrode sheet 201, and the other electrode is a second electrode sheet 202. The discharge electrodes 204 and the insulating spacers 205 are alternately arranged to form a stacked discharge gap. In one aspect of the present embodiment, the discharge electrodes 204 are graphite discharge electrodes, and the thickness of each graphite discharge electrode may be equal or different. The control circuit includes a plurality of capacitors 206 fixed on the side posts 203, a plurality of pins 208 respectively disposed between two adjacent capacitors 206, and a circuit board 207 electrically connected to the capacitors 206. The first electrode sheet 201, the second electrode sheet 202, the discharge electrodes 204, and the insulating spacers 205 are fixed between the two side posts 203. A pin 208 is electrically connected to a discharge electrode 204, respectively. The tripping elastic sheet 311 is welded with the first electrode sheet 201 and electrically leads out of the first electrode sheet 201. The trip spring 311 may be made of a material with excellent conductivity, such as copper or stainless steel.
To sum up, the utility model discloses a constitute the stromatolite discharge gap of taking trigger circuit with known technique for by electric capacity, be applied to low voltage power supply system in, influence or other instantaneous excessive pressure's surge to indirect thunder and direct thunder and lightning and protect. Wherein, stromatolite discharge gap overall structure carries out the embedment of electronic seal spare glue, plays fixed action to the insulating ring, avoids clearance edge creepage/flashover etc. is favorable to inside heat dissipation simultaneously, improves the anti surge performance of product.
In summary, those skilled in the art can easily understand that, in the technical scheme provided by the present invention, by providing a plurality of tripping units and remote alarm units, the tripping units have simple structure and good tripping effect, so that the lightning protection device not only has a small volume, but also can be powered off quickly to improve the reliability and stability of the lightning protection device, and has a remote alarm function and complete functions.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the embodiments of the present invention, and all modifications and equivalents that can be made by using the contents of the description and drawings of the embodiments of the present invention or directly/indirectly applied to other related technical fields are included in the scope of the embodiments of the present invention.
Claims (10)
1. A gap type power supply lightning protection device of a 5G power supply board-mounted lightning protection device is characterized by comprising a lightning protection inner box body, a plurality of gap type lightning protection sub-units and a remote tripping alarm unit electrically connected with the gap type lightning protection sub-units; wherein the content of the first and second substances,
the remote tripping alarm unit comprises a plurality of tripping units and a remote alarm unit;
a plurality of accommodating cavities are sequentially arranged in the lightning protection inner box body at intervals, and the plurality of gap type lightning protection sub-units are placed in the accommodating cavities; each gap type lightning protection subunit is provided with two electrodes, one electrode of the gap type lightning protection subunits is electrically connected with each other, and the other electrode of the gap type lightning protection subunits is electrically connected with the tripping units through welding;
the tripping units are abutted to the remote alarm unit, and the remote alarm unit is used for judging the working state of the gap type power supply lightning protection device.
2. The gap-type power lightning protection device according to claim 1, wherein the accommodating cavities include a first accommodating cavity for accommodating the gap-type lightning protection subunit, a second accommodating cavity located above the first accommodating cavity for accommodating the trip unit, and a third accommodating cavity located above the first accommodating cavity for accommodating the remote alarm unit; wherein the content of the first and second substances,
the second accommodating cavity and the third accommodating cavity are positioned on the same plane, and the third accommodating cavity is positioned on one side of the plurality of second accommodating cavities;
and a connecting hole for communicating the first accommodating cavity with the second accommodating cavity is formed in the cavity bottom of the second accommodating cavity, and one electrode of the gap type lightning protection subunit is electrically connected with the tripping unit through welding through the connecting hole.
3. The gap-type power lightning protection device according to claim 2, wherein the trip unit includes a trip spring, a trip elastic member, and a trip insulator; wherein the content of the first and second substances,
one end of the tripping elastic sheet is electrically connected with one electrode of the gap type lightning protection subunit through welding and is abutted against the tripping elastic piece, and the other end of the tripping elastic sheet is led out to the side edge of the lightning protection inner box body;
the tripping insulating part comprises a rotating hole, a strip-shaped end and a fan-shaped end, and the strip-shaped end and the fan-shaped end are arranged at an obtuse angle relative to the rotating hole;
a clamping groove is formed in the fan-shaped end of the tripping insulating piece, one end of the tripping elastic piece is clamped in the clamping groove, and the other end of the tripping elastic piece is fixedly placed on the cavity wall of the second accommodating cavity.
4. The gap-type power lightning protection device of claim 3, wherein the remote alarm unit comprises a plurality of alarm electrodes located in the third receiving cavity and extending to a junction of the second receiving cavity and the third receiving cavity; wherein the number of the plurality of alarm electrodes is equal to the number of the plurality of trip units plus 1.
5. The gap-type power lightning protection device of claim 4, wherein each of the tripping units corresponds to two of the warning electrodes, wherein the elongated end of the tripping unit abuts against one of the warning electrodes, and the two warning electrodes are separated when the gap-type power lightning protection device fails.
6. The gap-type power lightning protection device of claim 5, wherein the warning electrode is made of a metal elastic sheet, and a plurality of blocking baffles are arranged in the third accommodating cavity and used for blocking the warning electrodes.
7. The gap-type power lightning protection device of claim 3, wherein the second accommodating cavity is provided with a rotating shaft, a limiting baffle and an arc-shaped convex strip; wherein the content of the first and second substances,
the rotating hole of the tripping insulating part and the tripping elastic part are sequentially sleeved on the rotating shaft;
the limiting baffle is arranged on a moving path of the strip-shaped end of the tripping insulating part and is used for limiting the maximum moving distance of the strip-shaped end of the tripping insulating part;
the arc-shaped convex strip is arranged on a moving path of a fan-shaped end of the tripping insulating part and is positioned below the fan-shaped end when the fan-shaped end passes through.
8. The gap-type power lightning protection device of claim 7, wherein the height of the arc ribs increases gradually from one end contacting the fan-shaped end of the trip insulator to the other end.
9. The gap-type power lightning protection device according to any one of claims 1 to 8, wherein the number of the gap-type lightning protection sub-units is four.
10. The gap-type power lightning protection device of claim 9, wherein the gap-type power lightning protection device is a graphite gap-type power lightning protection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120651045.0U CN214625719U (en) | 2021-03-31 | 2021-03-31 | Gap type power supply lightning protection device of 5G power supply board-mounted lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120651045.0U CN214625719U (en) | 2021-03-31 | 2021-03-31 | Gap type power supply lightning protection device of 5G power supply board-mounted lightning protection device |
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| CN214625719U true CN214625719U (en) | 2021-11-05 |
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| CN202120651045.0U Active CN214625719U (en) | 2021-03-31 | 2021-03-31 | Gap type power supply lightning protection device of 5G power supply board-mounted lightning protection device |
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| CN (1) | CN214625719U (en) |
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2021
- 2021-03-31 CN CN202120651045.0U patent/CN214625719U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Gap Type Power Supply Lightning Protection Device for a 5G Power Supply Onboard Lightning Protection Device Effective date of registration: 20230510 Granted publication date: 20211105 Pledgee: Shenzhen hi tech investment small loan Co.,Ltd. Pledgor: SHENZHEN HAIPENGXIN ELECTRONICS Co.,Ltd. Registration number: Y2023980040199 |