Lightning protection lightning arrester for monitoring camera
Technical Field
The invention belongs to the technical field of monitoring lightning protection devices, and particularly relates to a lightning protection device for a monitoring camera.
Background
The monitoring lightning protector is lightning protection equipment selected for a monitoring signal system, is used for lightning (overvoltage) protection of a video signal circuit, and is also one of surge protectors. The lightning protection device mainly carries out protection through three lines of control, signal and video respectively, and most of lightning protection devices of monitoring systems developed in the years at present adopt a power supply monitoring video two-in-one lightning protection device.
For example, application No.: the invention discloses a lightning protection device for a monitoring camera, which is characterized by comprising the monitoring camera, wherein a lightning protection cover assembly is fixedly arranged on the monitoring camera. The invention is applied to the technical field of lightning protection and lightning protection of a monitoring camera, the invention hinges an upper lightning protection cover and a lower lightning protection cover which are symmetrically distributed up and down on the top end and the bottom end of the monitoring camera, then arranges an insulating outer cover which is symmetrically distributed on the surface of the monitoring camera, arranges lightning protection coils which are respectively connected with the upper lightning protection cover and the lower lightning protection cover through leads on the insulating outer cover, forms an induced charge layer which is uniformly distributed around the monitoring camera, realizes obviously reducing the probability of lightning stroke by forming a ground electric field environment which is relatively uniformly distributed on the induced charge layer and thundercloud, fundamentally changes the lightning protection mode of leading lightning to the monitoring camera, achieves the beneficial effect of effectively preventing the lightning stroke of the monitoring camera, the upper lightning protection cover and the lower lightning protection cover are arranged into a shoe pad shape to facilitate the formation of the uniform electric field environment, and the upper lightning protection cover and the lower lightning protection cover are also arranged into two pieces which are symmetrically distributed, further promoting the formation of a uniform electric field environment.
Based on the retrieval of above-mentioned patent to and the equipment discovery among the combination prior art, in the more area of thunder and lightning, in order to guarantee that the surveillance camera head is not damaged by the thunder and lightning, can connect the control lightning protection ware at the surveillance camera head other end usually and protect. The existing monitoring lightning protection device has the following defects in the actual use process, such as: 1. when the monitoring lightning protector is damaged and needs to be repaired by removing the shell, the existing monitoring lightning protector shell and the brackets at the two ends are generally fixed through eight screws, so that the monitoring lightning protector is very inconvenient to disassemble and assemble, the screws are easy to lose, and the working efficiency of the monitoring lightning protector during maintenance, disassembly and assembly is further reduced; 2. the current monitoring lightning protection device is generally installed in a waterproof box in order to avoid being drenched by external rainwater, and the outside waterproof box radiating hole of monitoring lightning protection device often can be blockked up by the dust, and is difficult for being discover by people, and in case take place to block up, just can influence the life of monitoring lightning protection device.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides a lightning protection device for a surveillance camera, so as to solve the following disadvantages of the existing surveillance lightning protection device in the actual use process, such as: 1. when the monitoring lightning protector is damaged and needs to be repaired by removing the shell, the existing monitoring lightning protector shell and the brackets at the two ends are generally fixed through eight screws, so that the monitoring lightning protector is very inconvenient to disassemble and assemble, the screws are easy to lose, and the working efficiency of the monitoring lightning protector during maintenance, disassembly and assembly is further reduced; 2. the current monitoring lightning protection device is generally installed in a waterproof box in order to avoid being drenched by external rainwater, and the outside waterproof box radiating hole of monitoring lightning protection device often can be blockked up by the dust, and is difficult for being discover by people, and in case take place to block up, just can influence the problem of monitoring lightning protection device's life.
The invention relates to a lightning protection and protection device for a monitoring camera, which is achieved by the following specific technical means:
a lightning protection and protection device for a monitoring camera comprises a box body, wherein a lightning protection device main body is arranged in the box body, the box body further comprises a box door, a buckle, a clamping block and a top plate, the box door is rotatably connected to the box opening of the box body through a rotating shaft, the clamping block is arranged on the box door, the buckle is arranged on the right side of the front end face of the box body, and the top plate is arranged at the top of the box body; the lightning protection device comprises a lightning protection device main body and is characterized in that a shell is arranged outside the lightning protection device main body, the shell further comprises a sliding baffle, dovetail slide blocks, dovetail slide grooves and T-shaped slide blocks, the front end face and the rear end face of the shell are provided with the two T-shaped slide blocks in a bilateral symmetry manner, the lower ends of the left side face and the right side face in the shell are provided with the dovetail slide grooves, the left side face and the right side face of the sliding baffle are provided with the dovetail slide blocks; a dust sweeping mechanism is connected at the position of the heat dissipation hole of the louver on the left side of the box body in a sliding manner; be equipped with stop gear in the lightning protection device main part, and both ends right side all is equipped with a fastening device around the lightning protection device main part.
Further, when the buckle is clamped with the clamping block, the box door is in a closed state on the box body, the frame-shaped diversion block is arranged at the edge of the bottom end face of the top plate, and diversion columns are uniformly arranged on the bottom end face of the frame-shaped diversion block at the bottom of the top plate;
furthermore, the lightning protection device main body also comprises two L-shaped supports, a circuit board, a power output end, a power input end, a grounding wire, a T-shaped chute and a strip-shaped limiting plate, a circuit board is arranged between the two L-shaped brackets, the front part and the rear part of the right side of the upper end surface of the circuit board are respectively provided with a power supply output end and a power supply input end which penetrate through the L-shaped brackets, and the power output end and the lower part of the power input end are both provided with fastening mechanisms, the circuit board is connected with a grounding wire which passes through one L-shaped bracket at the lower part, the upper end surface of each L-shaped bracket is provided with two T-shaped chutes in a left-right symmetrical shape, a strip-shaped limiting plate is arranged on the bottom end face of one L-shaped support at the rear side, a limiting mechanism is arranged on each L-shaped support, the two L-shaped supports are symmetrically distributed on two sides of the circuit board, and two mounting holes are formed in the bottom end face of each L-shaped support;
the dust sweeping mechanism further comprises a brush, a steel wire rope, a pulley, two sliding columns and a first spring, the brush is arranged on the right end face of the dust sweeping mechanism, the steel wire rope is fixedly connected to the middle of the left end face of the dust sweeping mechanism, the other end of the steel wire rope is fixed to the front end face of the box door, the number of the sliding columns is two, each sliding column is fixedly connected to the left end face of the box body through two support blocks, the upper end and the lower end of the dust sweeping mechanism are respectively connected with the two sliding columns in a sliding mode, the first spring is sleeved outside each sliding column, the pulley is rotatably connected to the middle of the left end face of the box body through a support, the pulley is connected with the steel wire rope in a sliding mode, when the dust sweeping mechanism slides to the front end portion of the sliding columns, the box door is in a closed state;
further, when the shell and the lightning protector main body are in an installation state, the T-shaped sliding block is connected with the T-shaped sliding groove in a sliding mode, the rear end face of the sliding baffle is tightly attached to the front end face of the strip-shaped limiting plate, and a rectangular groove is formed in the front side of the bottom end face of the sliding baffle;
furthermore, the limiting mechanism also comprises a limiting slide block, a T-shaped pull column, a second spring and a sliding block, wherein the limiting slide block is connected inside the limiting mechanism in a sliding manner, the two second springs positioned at the upper part of the limiting slide block are installed inside the limiting mechanism, the T-shaped pull column penetrating through the top part of the limiting mechanism is arranged at the center part of the upper end surface of the limiting mechanism, a round limiting block attached to the top end surface of the limiting mechanism is also arranged on the T-shaped pull column, sliding blocks connected with strip-shaped sliding openings on the left side surface and the right side surface of the limiting mechanism in a sliding manner are arranged on the left end surface and the right end surface of the limiting slide block, the front side edge angle at the lower end of the limiting slide block is set to be a fillet, and when the limiting mechanism and the;
further, fastening device still includes mounting plate, a screw thread section of thick bamboo, cross bolt, rectangle slider and rectangle spout, its shape of fastening device is character cut in bas-relief, and fastening device up end front side is bilateral symmetry form and has seted up two rectangle spouts, both ends all are equipped with the rectangle slider about the mounting plate, and the rectangle slider slides with the rectangle spout and be connected, fastening device bottom end face front side is equipped with a screw thread section of thick bamboo, the cross bolt passes mounting plate and fastening device bottom and is connected through the screw thread with a screw thread section of thick bamboo, mounting plate bottom end face all is equipped with two concave type clamps mouthful with the inboard bottom face of fastening device.
Compared with the prior art, the invention has the following beneficial effects:
according to the lightning protection device, the shell is arranged, the T-shaped pull column is pulled upwards manually, the limiting slide block is retracted into the limiting mechanism, the limiting function of the sliding baffle is lost, the sliding baffle slides forwards from the bottom of the shell, then the shell slides upwards from the two L-shaped supports, then the lightning protection device main body is maintained, after maintenance is completed, the shell slides into the space between the two L-shaped supports, then the sliding baffle slides into the bottom of the shell, the limiting slide block resets downwards under the action of the second spring, the limiting function of the sliding baffle is achieved, and therefore the working efficiency of the lightning protection device main body when the shell is maintained, detached and installed is effectively improved.
According to the invention, through the matching of the dust sweeping mechanism and the box door, when the box door is opened, the box door rotates ninety degrees clockwise, so that the dust sweeping mechanism loses the tension effect and then slides backwards under the action of the first spring, so that the brush sweeps away the louver heat dissipation hole formed in the left end surface of the box body, then when the box door is closed, the box door rotates anticlockwise to a closed state, and meanwhile, the dust sweeping mechanism is pulled forwards through the steel wire rope, so that the brush sweeps away the louver heat dissipation hole in the box body again, the louver heat dissipation hole in the box body is not easily blocked by dust, the automatic sweeping operation can be realized without manual cleaning, and the service life of the lightning protector main body is greatly prolonged.
Drawings
Fig. 1 is a first view structure diagram of the present invention.
Fig. 2 is a schematic structural diagram of the lightning protection device main body, the limiting mechanism and the fastening mechanism of the invention.
Fig. 3 is a schematic structural view of the lightning protector in a state where the main body and the housing are detached.
Fig. 4 is a schematic view of the present invention at a part enlarged in fig. 3.
Fig. 5 is a schematic structural diagram of the housing and the limiting mechanism of the present invention.
Fig. 6 is a schematic structural view of the case of the present invention in a disassembled state.
Fig. 7 is a schematic structural diagram of the limiting mechanism of the present invention.
Fig. 8 is a schematic view of the present invention at a part B in fig. 3.
Fig. 9 is a schematic diagram of a second viewing angle structure according to the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a box body; 101. a box door; 102. buckling; 103. a clamping block; 104. a top plate; 2. a lightning protection device main body; 201. an L-shaped bracket; 202. a circuit board; 203. a power supply output terminal; 204. a power supply input terminal; 205. a ground line; 206. a T-shaped chute; 207. a strip-shaped limiting plate; 3. a dust sweeping mechanism; 301. a brush; 302. a wire rope; 303. a pulley; 304. a traveler; 305. a first spring; 4. a housing; 401. a sliding baffle; 402. a dovetail slide block; 403. a dovetail chute; 404. a T-shaped slider; 5. a limiting mechanism; 501. a limiting slide block; 502. t-shaped pull columns; 503. a second spring; 504. a slider; 6. a fastening mechanism; 601. a fastening plate; 602. a threaded barrel; 603. a cross bolt; 604. a rectangular slider; 605. a rectangular chute.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 9:
the invention provides a lightning protection device for a monitoring camera, which comprises: the lightning protection device main body 2 is arranged in the box body 1, the box body 1 further comprises a box door 101, a buckle 102, a clamping block 103 and a top plate 104, the box door 101 is rotatably connected to the box opening of the box body 1 through a rotating shaft, the clamping block 103 is arranged on the box door 101, the buckle 102 is arranged on the right side of the front end face of the box body 1, the top plate 104 is arranged on the top of the box body 1, when the buckle 102 is clamped with the clamping block 103, the box door 101 is in a closed state on the box body 1, a frame-shaped drainage block is arranged at the edge of the bottom end face of the top plate 104, and drainage columns are uniformly arranged at the bottom ends of the frame-shaped drainage blocks at the bottom of the top plate 104; the shell 4 is installed outside the lightning protector main body 2, the shell 4 further comprises a sliding baffle 401, a dovetail slide block 402, a dovetail slide groove 403 and a T-shaped slide block 404, the front end face and the rear end face of the shell 4 are bilaterally symmetrical, the two T-shaped slide blocks 404 are arranged on the two left side faces and the right side faces of the interior of the shell 4, the dovetail slide grooves 403 are formed in the two left side faces and the right side faces of the interior of the shell 4, the dovetail slide blocks 402 are arranged on the two left side faces and the right side faces of the sliding baffle 401, the dovetail slide blocks 402 are connected with the dovetail slide grooves 403 in a sliding mode, when the shell 4 and the lightning protector main body 2 are in an installation state, the T-shaped slide blocks 404 are connected with the T-shaped slide grooves 206 in a sliding mode, the; the dust sweeping mechanism 3 is connected with the heat dissipation hole of the louver on the left side of the box body 1 in a sliding manner, the dust sweeping mechanism 3 further comprises a brush 301, a steel wire rope 302, a pulley 303, sliding columns 304 and a first spring 305, the right end face of the dust sweeping mechanism 3 is provided with the brush 301, the middle part of the left end face of the dust sweeping mechanism 3 is fixedly connected with the steel wire rope 302, the other end of the steel wire rope 302 is fixed on the front end face of the box door 101, the number of the sliding columns 304 is two, each sliding column 304 is fixedly connected with the left end face of the box body 1 through two supporting blocks, the upper end and the lower end of the dust sweeping mechanism 3 are respectively connected with the two sliding columns 304 in a sliding manner, the first spring 305 is sleeved outside each sliding column 304, the pulley 303 is rotatably connected with the middle part of the left end face of the box body 1 through a bracket, the pulley is connected with the steel wire rope 302 in a sliding manner, when, the brush 301 has better dust sweeping effect; the lightning protection device main body 2 is provided with a limiting mechanism 5, the limiting mechanism 5 further comprises a limiting slide block 501, a T-shaped pull column 502, a second spring 503 and a slide block 504, the limiting slide block 501 is connected in the limiting mechanism 5 in a sliding way, two second springs 503 positioned at the upper part of the limiting slide block 501 are arranged in the limiting mechanism 5, a T-shaped pull column 502 penetrating through the top of the limiting mechanism 5 is arranged at the central part of the upper end surface of the limiting mechanism 5, and the T-shaped pull column 502 is also provided with a round limiting block which is attached to the top end surface of the limiting mechanism 5, the left and right end surfaces of the limiting slide block 501 are both provided with slide blocks 504 which are connected with strip-shaped slide openings on the left and right side surfaces of the limiting mechanism 5 in a sliding way, the front side corner of the lower end of the limiting slide block 501 is set as a round corner, when the limiting mechanism 5 and the lightning arrester main body 2 are in an installation state, the rear end face of the limiting slide block 501 is closely attached to the front end face of the sliding baffle 401, so that the sliding baffle 401 can obtain an effective limiting effect; the right sides of the front end and the rear end of the lightning protection device main body 2 are respectively provided with a fastening mechanism 6.
Wherein, the lightning protector main body 2 further comprises two L-shaped brackets 201, a circuit board 202, a power output end 203, a power input end 204, a grounding wire 205, T-shaped chutes 206 and strip-shaped limiting plates 207, the number of the L-shaped brackets 201 is two, the circuit board 202 is arranged between the two L-shaped brackets 201, the front part and the rear part of the right side of the upper end surface of the circuit board 202 are respectively provided with the power output end 203 and the power input end 204 which penetrate through the L-shaped bracket 201, the lower parts of the power output end 203 and the power input end 204 are respectively provided with a fastening mechanism 6, the circuit board 202 is connected with the grounding wire 205 which penetrates through the lower L-shaped bracket 201, the upper end surface of each L-shaped bracket 201 is provided with two T-shaped chutes 206 in a left-right symmetrical shape, the bottom end surface of one L-shaped bracket 201 at the rear side is provided with the strip-shaped limiting, and two mounting holes are formed in the bottom end face of each L-shaped support 201.
Wherein, the fastening mechanism 6 also comprises a fastening plate 601, a thread cylinder 602, a cross bolt 603, a rectangular sliding block 604 and a rectangular sliding chute 605, the shape of the fastening mechanism 6 is in a concave shape, two rectangular sliding grooves 605 are symmetrically arranged on the left and right sides of the front side of the upper end surface of the fastening mechanism 6, rectangular sliding blocks 604 are arranged on the left and right ends of the fastening plate 601, the rectangular sliding block 604 is connected with the rectangular sliding groove 605 in a sliding way, the front side of the bottom end surface of the fastening mechanism 6 is provided with a thread cylinder 602, the cross bolt 603 passes through the fastening plate 601 and the bottom of the fastening mechanism 6 to be connected with the thread cylinder 602 through threads, the bottom end surface of the fastening plate 601 and the bottom end surface of the inner side of the fastening mechanism 6 are both provided with two concave clamping openings, through the arrangement of the fastening mechanism 6, the power line connected with the power output end 203 and the power input end 204 can be further fastened, the loosening and falling of the line head are avoided, and the running reliability of the lightning protection device main body 2 is improved.
When in use: when the door 101 is opened, the door 101 rotates ninety degrees clockwise, so that the dust sweeping mechanism 3 loses the tension effect, and then slides backwards under the action of the first spring 305, so that the brush 301 sweeps away the louver heat dissipation hole formed in the left end surface of the box body 1, then when the door 101 is closed, the door 101 rotates anticlockwise to return to a closed state, and meanwhile, the dust sweeping mechanism 3 is pulled forwards through the steel wire rope 302, so that the brush 301 sweeps away the louver heat dissipation hole in the box body 1 again, and therefore, the louver heat dissipation hole in the box body 1 is not easy to be blocked by dust, the automatic sweeping operation can be realized without manual cleaning, and the service life of the lightning protector main body 2 is greatly prolonged;
when lightning protection device main part 2 damages and needs to dismantle the maintenance, pull down from box 1 earlier, then draw post 502 upwards to stimulate the T type through manual, make stop block 501 retract in stop gear 5, thereby make sliding baffle 401 lose limiting displacement, then slide out sliding baffle 401 from casing 4 bottom forward, then upwards slide out casing 4 from two L type supports 201, then maintain lightning protection device main part 2 again can, after the maintenance, again slide casing 4 between two L type supports 201, then slide sliding baffle 401 into casing 4 bottom, stop block 501 resets downwards under the effect of second spring 503, make sliding baffle 401 obtain limiting displacement, and then effectively improved the work efficiency when lightning protection device main part 2 outside casing 4 maintains and dismantles the installation, and need not to use the screw, and then the phenomenon of having avoided the screw to lose takes place.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.