CN216055861U

CN216055861U - Power lightning protection box

Info

Publication number: CN216055861U
Application number: CN202122653755.XU
Authority: CN
Inventors: 王东兴
Original assignee: Changzhou Huahai Pufa Communication Technology Co ltd
Current assignee: Changzhou Huahai Pufa Communication Technology Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-03-15
Anticipated expiration: 2031-11-01

Abstract

The utility model provides a power supply lightning protection box, which comprises a box body, a lightning protection device and a heat dissipation assembly, wherein the box body comprises a visual alarm window indicator lamp, an extruding device, a cover plate, an inner shell, a clamping strip, a groove and an outer shell, the visual alarm window indicator lamp is positioned on the surface of the cover plate, the extruding device is arranged on two sides of the outer shell through holes formed in two ends of the outer shell and a spring rod, the cover plate is connected with the outer shell through bolts, the clamping strip is fixed on the inner side of the cover plate, the clamping strip and the groove are clamped together after the cover plate is closed, and the inner shell and the outer shell are separated by the groove; the heat dissipation assembly comprises a heat pipe assembly and heat dissipation fins, the heat pipe assembly is formed by splicing an evaporation pipe, a heat insulation pipe and a cooling pipe, the heat insulation pipe is connected above the evaporation pipe, and the cooling pipe is connected above the heat insulation pipe. The utility model has good heat dissipation and waterproof capabilities.

Description

Power lightning protection box

Technical Field

The utility model relates to the technical field of lightning protection boxes, in particular to a power supply lightning protection box.

Background

The lightning protection box is divided into a power supply lightning protection box and a signal lightning protection box according to different protected objects; the power lightning protection box is the most common and comprises 2 types according to the connection mode: series type and parallel type. The signal lightning protection box has the following: the lightning protection box comprises a network signal lightning protection box, a control box lightning protection box and some customized lightning protection boxes with special models. But all lightning protection boxes have to have a reliable grounding as a prerequisite.

The lightning protection box is provided with a power supply indication, a lightning protection indication, a deterioration alarm and indication, a lightning stroke counter, a lightning protection fuse wire and the like, and the SPD module is composed of a voltage switch module and a voltage limiting module (or an integrated MOV). The lightning protection device is mainly installed at the power inlet wire of a power distribution room, a power distribution cabinet, an alternating current distribution panel, a switch box and other important equipment and equipment easy to be struck by lightning so as to protect the equipment from being damaged by lightning overvoltage invading along a power line; the method can be widely applied to the main power protection of systems such as communication, electric power, traffic, finance, railway, civil aviation and the like. The heat dissipation and waterproof effects of the conventional power supply lightning protection box are generally poor, which may affect and limit the application and performance of the lightning protection box, and thus a power supply lightning protection box with good heat dissipation and waterproof effects is required.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the background art, the utility model provides a power supply lightning protection box which has good heat dissipation and waterproof capabilities.

The utility model provides the following technical scheme:

a power supply lightning protection box comprises a box body, a lightning protection device and a heat dissipation assembly, wherein the lightning protection device is positioned inside the box body and comprises a circuit breaker, a surge protector and a wiring, and the circuit breaker is positioned on the upper side inside the box body and is connected with the surge protector positioned on the lower side inside the box body through the wiring;

the box body comprises a visual alarm window indicator lamp, an extrusion device, a cover plate, an inner shell, clamping strips, a groove and an outer shell, wherein the visual alarm window indicator lamp is positioned on the surface of the cover plate;

the heat dissipation assembly comprises a heat pipe assembly and heat dissipation fins, the heat pipe assembly is formed by splicing an evaporation pipe, a heat insulation pipe and a cooling pipe, the evaporation pipe is located on the lowest side of the heat pipe assembly, the heat insulation pipe is connected above the evaporation pipe, the cooling pipe is connected above the heat insulation pipe, the heat pipe assembly is fixed on an inner shell body behind a surge protector, the evaporation pipe is in contact with the surge protector, a liquid suction core is wound in the pipe wall of the heat pipe assembly in a surrounding mode, and the heat dissipation fins are located on the lower side of the back face of the outer shell body.

Preferably, the extrusion device comprises a waterproof rubber strip, a first pressing block, a second pressing block, a spring rod and a twisting head, the waterproof rubber strip is arranged on the inner side of the groove, the first pressing block is arranged between the waterproof rubber strips, the second pressing block is transversely arranged below the first pressing block and is located on the lower portion of the notch of the groove and is in contact with the first pressing block, the spring rod is connected to the left end of the second pressing block, and the twisting head is connected to the left end of the spring rod.

Preferably, radiator unit still includes fan unit, fan unit includes pivot, flabellum, dust screen, the pivot is located between the bottom surface of interior casing and the shell body, be provided with the flabellum in the pivot, the position that contacts with the pivot on the shell body still is provided with the dust screen.

Preferably, the box body is internally provided with a flame-retardant layer.

The utility model has the beneficial effects that:

the heat pipe assembly is arranged on the inner shell behind the surge protector, so that the heat of the surge protector is dissipated, and the surge protector has the advantages of high thermal response speed, small volume, light weight, high heat dissipation efficiency, no need of an external power supply, safety and reliability in operation and no environmental pollution; when the cover plate is closed, the clamping strips are clamped into the grooves, the clamping strips can extrude the waterproof rubber strips towards the left side and the right side, the first pressing block is pushed downwards to extrude the second pressing block to push the second pressing block to the left side, the twisting head is twisted and conveyed at the moment to close the power supply lightning protection box, when the power supply lightning protection box needs to be opened, the twisting head is screwed, the twisting head pushes the spring rod to apply pressure rightwards, the spring rod pushes the second pressing block to move rightwards, the second pressing block pushes the first pressing block to move upwards, the clamping strips clamped between the waterproof rubber strips can be extruded upwards, and the power supply lightning protection box can be opened; after the power supply lightning protection box is closed, the waterproof rubber strip has both a waterproof effect and a sealing effect.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic backside view of the present invention;

FIG. 4 is a side schematic view of the present invention;

FIG. 5 is a schematic view of the structure of the pressing apparatus;

fig. 6 is a schematic structural view of a surge protector;

FIG. 7 is a schematic diagram of the operating principle of the heat pipe assembly;

notation in the figure: 101 is a visual alarm window indicator light, 102 is an extrusion device, 103 is a cover plate, 104 is an inner shell, 105 is a clamping strip, 106 is a groove, 1061 is a waterproof rubber strip, 1062 is a first pressing block, 1063 is a second pressing block, 1064 is a spring rod, 1065 is a screw head, 107 is an outer shell, 201 is a circuit breaker, 202 is a surge protector, 203 is a wiring, 301 is a heat pipe assembly, 3011 is an evaporation pipe, 3012 is a heat insulation pipe, 3013 is a cooling pipe, 302 is a fan assembly, 3021 is a rotating shaft, 3022 is a fan blade, 3023 is a dust screen, and 303 is a heat dissipation fin.

Detailed Description

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model. In the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected or detachably connected; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are 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 one or more of that feature.

As shown in fig. 1-7, a power supply lightning protection box comprises a box body, a lightning protection device and a heat dissipation assembly, wherein the lightning protection device is positioned inside the box body and comprises a circuit breaker 201, a surge protector 202 and a wiring 203, the circuit breaker 201 is positioned on the upper side inside the box body and is connected with the surge protector 202 positioned on the lower side inside the box body through the wiring 203; the box body comprises a visual alarm window indicator light 101, an extrusion device 102, a cover plate 103, an inner shell 104, a clamping strip 105, a groove 106 and an outer shell 107, wherein the visual alarm window indicator light 101 is positioned on the surface of the cover plate 103, the extrusion device 102 is arranged on two sides of the outer shell 107 through holes arranged at two ends of the outer shell 107 and a spring rod 1064, the cover plate 103 is connected with the outer shell 107 through bolts, the clamping strip 105 is fixed on the inner side of the cover plate 103, the groove 106 is rectangular and arranged on the periphery of the lightning protection device, the clamping strip 105 and the groove 106 are clamped together after the cover plate 103 is closed, and the inner shell 104 and the outer shell 107 can be separated by the groove 106;

the heat dissipation assembly comprises a heat pipe assembly 301 and heat dissipation fins 303, the heat pipe assembly 301 is formed by splicing an evaporation pipe 3011, a heat insulation pipe 3012 and a cooling pipe 3013, the evaporation pipe 3011 is located at the lowest side of the heat pipe assembly 301, the heat insulation pipe 3012 is connected to the upper side of the evaporation pipe 3011, the cooling pipe 3013 is connected to the upper side of the heat insulation pipe 3012, the heat pipe assembly 301 is fixed on the inner shell 104 behind the surge protector 202, the evaporation pipe 3011 is in contact with the surge protector 202, a liquid suction core is wound in the pipe wall of the heat pipe assembly 301, the evaporation pipe 3011, the heat insulation pipe 3012 and the cooling pipe 3013 in the heat pipe assembly 301 circulate liquid media for heat exchange, the liquid suction core can be used for collecting the liquid media, the liquid media can be selected from water as a refrigerant, and the heat dissipation fins 303 are located at the lower side of the back of the outer shell 107 to transfer heat to the external environment for heat dissipation.

The extrusion device 102 comprises a waterproof rubber strip 1061, a first pressing block 1062, a second pressing block 1063, a spring rod 1064 and a screw head 1065, wherein the waterproof rubber strip 1061 is arranged inside the groove 106, the first pressing block 1062 is arranged between the waterproof rubber strips 1061, the second pressing block 1063 is transversely arranged below the first pressing block 1062, is positioned at the lower part of the notch of the groove 106 and is in contact with the first pressing block 1062, the left end of the second pressing block 1063 is connected with the spring rod 1064, and the left end of the spring rod 1064 is connected with the screw head 1065, so that the screw head 1065 applies acting force to the spring rod 1064 to compress the second pressing block 1063.

In some embodiments, the heat dissipation assembly further includes a fan assembly 302, the fan assembly 302 includes a rotating shaft 3021, fan blades 3022, and a dust screen 3023, the rotating shaft 3021 is located between the bottom surface of the inner housing 104 and the outer housing 107, the fan blades 3022 are disposed on the rotating shaft 3021, the dust screen 3023 is further disposed on the outer housing 107 at a position contacting with the rotating shaft 3021, the rotating shaft 3021 is connected to a correspondingly adapted motor device, the rotating shaft 3021 drives the fan blades 3022 to rotate to generate an air flow, so as to dissipate heat, and the dust screen 3023 can isolate external impurities from entering the housing.

In some embodiments, the tank body has a flame retardant layer, which may be a flame retardant coating applied to the surface of the tank body or a flame retardant sheet material disposed in the tank body.

The working principle of the utility model is as follows: the heat pipe assembly 301 on the inner shell 104 behind the surge protector 202 dissipates heat of the surge protector 202, the heat is transferred to the evaporation pipe 3011 through the surge protector 202, the evaporation pipe absorbs the heat generated by the surge protector 202, so that the liquid medium in the liquid absorption core pipe is boiled into steam, the steam with heat moves from the evaporation pipe 3011 to the cooling pipe 3013, when the steam transfers the heat to the cooling pipe 3013, the steam is condensed into liquid, the condensed liquid returns to the evaporation pipe 3011 through the capillary action of the liquid absorption core on the pipe wall, and the above-mentioned circulation process is repeated to dissipate heat continuously; in addition, when the cover plate 103 is closed, the clamping strip 105 is clamped into the groove 106, the clamping strip 105 can extrude the waterproof rubber strips 1061 towards the left side and the right side, the first pressing block 1062 is pushed downwards, the first pressing block 1062 is enabled to extrude the second pressing block 1063 to the left, the screw head 1065 is screwed at the moment, the power supply lightning protection box can be closed, when the power supply lightning protection box needs to be opened, the screw head 1065 is screwed, the screw head 1065 pushes the spring rod 1064 to apply pressure rightwards, the spring rod 1064 pushes the second pressing block 1063 to move rightwards, the second pressing block 1063 pushes the first pressing block 1062 to move upwards, the clamping strip 105 clamped between the waterproof rubber strips 1061 can be extruded upwards, and the power supply lightning protection box can be opened. After the power supply lightning protection box is closed, the waterproof rubber strip 1061 plays a waterproof role and also plays a sealing role.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A power supply lightning protection box comprises a box body, a lightning protection device and a heat dissipation assembly, wherein the lightning protection device is positioned inside the box body and comprises a circuit breaker (201), a surge protector (202) and a wiring (203), the circuit breaker (201) is positioned on the upper side inside the box body and is connected with the surge protector (202) positioned on the lower side inside the box body through the wiring (203);

it is characterized in that the preparation method is characterized in that,

the box body comprises a visual alarm window indicating lamp (101), an extruding device (102), a cover plate (103), an inner shell (104), clamping strips (105), a groove (106) and an outer shell (107), wherein the visual alarm window indicating lamp (101) is positioned on the surface of the cover plate (103), the extruding device (102) is arranged on two sides of the outer shell (107) through holes formed in two ends of the outer shell (107) and a spring rod (1064), the cover plate (103) is connected with the outer shell (107) through bolts, the clamping strips (105) are fixed on the inner side of the cover plate (103), the groove (106) is rectangular and is arranged on the periphery of the lightning protection device, the clamping strips (105) and the groove (106) are clamped together after the cover plate (103) is closed, and the inner shell (104) and the outer shell (107) are separated by the groove (106);

the heat dissipation assembly comprises a heat pipe assembly (301) and heat dissipation fins (303), wherein the heat pipe assembly (301) is formed by splicing an evaporation pipe (3011), a heat insulation pipe (3012) and a cooling pipe (3013), the evaporation pipe (3011) is located on the lowest side of the heat pipe assembly (301), the heat insulation pipe (3012) is connected to the upper portion of the evaporation pipe (3011), the cooling pipe (3013) is connected to the upper portion of the heat insulation pipe (3012), the heat pipe assembly (301) is fixed to an inner shell (104) behind a surge protector (202), the evaporation pipe (3011) is in contact with the surge protector (202), liquid suction cores are wound in the pipe wall of the heat pipe assembly (301), and the heat dissipation fins (303) are located on the lower side of the back face of the outer shell (107).

2. The power supply lightning protection box according to claim 1, characterized in that the extrusion device (102) comprises waterproof rubber strips (1061), first press blocks (1062), second press blocks (1063), spring rods (1064) and screw heads (1065), wherein the waterproof rubber strips (1061) are arranged inside the grooves (106), the first press blocks (1062) are arranged between the waterproof rubber strips (1061), the second press blocks (1063) are transversely arranged below the first press blocks (1062) and positioned at the lower part of the notches of the grooves (106) and are in contact with the first press blocks (1062), the left ends of the second press blocks (1063) are connected with the spring rods (1064), and the left ends of the spring rods (1064) are connected with the screw heads (1065).

3. The power lightning protection box according to claim 1, wherein the heat dissipation assembly further comprises a fan assembly (302), the fan assembly (302) comprises a rotating shaft (3021), fan blades (3022), and a dust screen (3023), the rotating shaft (3021) is located between the bottom surface of the inner housing (104) and the outer housing (107), the fan blades (3022) are disposed on the rotating shaft (3021), and the dust screen (3023) is further disposed on the outer housing (107) at a position contacting with the rotating shaft (3021).

4. The power lightning protection box according to claim 1, wherein the box body is provided with a flame retardant layer.