CN211264035U

CN211264035U - Lens shading device of network monitoring camera

Info

Publication number: CN211264035U
Application number: CN202020010072.5U
Authority: CN
Inventors: 李育峰
Original assignee: Shenzhen Zonhen Electric Appliances Co ltd
Current assignee: Shenzhen Zonhen Electric Appliances Co ltd
Priority date: 2020-01-03
Filing date: 2020-01-03
Publication date: 2020-08-14
Anticipated expiration: 2030-01-03

Abstract

A lens shading device of a network monitoring camera comprises a shading device, a driving device arranged on the shading device, and a lens interface arranged on the shading device, wherein the shading device comprises a bottom shell, a top shell buckled with the bottom shell, and a shading plate rotatably arranged inside a buckling body of the bottom shell and the top shell, the bottom shell comprises a bottom shell swing rod hole and a shading plate fixing hole which are arranged at the right front end, and a bottom shell lens hole arranged at the middle rear part, the top shell comprises a top shell lens hole arranged at the middle rear part, a top shell swing rod hole arranged at the middle part of a mounting seat of the driving device, the shading plate comprises a shading sheet arranged at the left end, a mounting hole arranged at the right end, a swing rod power hole arranged at the rear side of the right end, a buckling part arranged at the periphery of the top shell, and a shading plate rotating shaft arranged at the bottom of the top shell, the utility model discloses under the condition of uninterrupted monitoring camera work, can block at any time that monitoring camera shoots with video-corder to the scene.

Description

Lens shading device of network monitoring camera

Technical Field

The utility model relates to a security protection equipment, in particular to network monitoring camera lens shade.

Background

The existing network monitoring camera can be connected with a mobile phone in a network, is controlled through a mobile phone APP, displays monitoring pictures on the mobile phone, brings great convenience to people, but the existing monitoring camera continuously carries out scene shooting and recording once being started, can only carry out shutdown operation through the mobile phone APP when the personal privacy does not want to be recorded, and then starts monitoring, and the operation can stop working of the monitoring camera in a short time, so that the monitoring content loses the use value as evidence.

Disclosure of Invention

In order to solve the problems existing in the above-mentioned technologies, the utility model provides a can shelter from the shade of camera lens temporarily.

The utility model discloses a shade install in drive arrangement above the shade sets up the camera lens interface above the shade.

The shading device comprises a bottom shell, a top shell and a shading plate, wherein the top shell is buckled with the bottom shell, the shading plate is rotatably arranged inside a buckling body of the bottom shell and the top shell, the bottom shell comprises a bottom shell swing rod hole and a shading plate fixing hole which are arranged at the front right end, a peripheral clamping part and a bottom shell lens hole which is arranged at the middle rear part, the top shell comprises a top shell lens hole which is arranged at the middle rear part, a driving device mounting seat which is arranged at the front right part, a driving device fixing hole which is arranged at the periphery of the driving device mounting seat and a top shell swing rod hole which is arranged at the middle part of the driving device mounting seat, the shading plate comprises a shading sheet which is arranged at the left end, a mounting hole which is arranged at the right end, a swing rod power hole which is arranged at the rear side of the right end, a buckling part which is arranged at the periphery of the driving device mounting seat and.

The driving device comprises a shell, an upper frame body and a lower frame body which are arranged inside the shell are wound on a solenoid at the periphery of a buckling body of the upper frame body and the lower frame body, a cylindrical hollow magnet which is arranged inside the buckling body of the upper frame body and the lower frame body is fixed in a central hole of the cylindrical hollow magnet, a swing rod is arranged at the bottom of the iron core, the bottom of the shell is provided with fixing feet, the upper end and the lower end of the inner side of the buckling body of the upper frame body and the lower frame body are respectively provided with an iron core shaft hole, the upper end and the lower end of the iron core are respectively provided with an iron core rotating shaft, the iron core rotating shafts are rotatably arranged in the iron core shaft holes, the bottom of the lower frame body is provided with a swing rod.

Furthermore, the bottom shell and the top shell are buckled with each other through a clamping portion and a buckling portion, the driving device fixing hole is fixed with the fixing foot through a screw, the top shell lens hole is buckled with the bottom shell lens hole to form a lens interface, and the light screen rotating shaft is fixed with the light screen fixing hole through a screw.

Furthermore, the area of the light shielding sheet at the left end of the light shielding plate is larger than that of the lens interface.

Furthermore, the positive pole and the negative pole of the solenoid are respectively connected with the positive pole and the negative pole of the control circuit.

Furthermore, the swing rod hole of the driving device is in a circular arc shape, the swing rod extends out of the swing rod hole of the driving device, continuously penetrates through the top shell swing rod hole and the bottom shell swing rod hole, and is downwards inserted into the swing rod power hole, and the top shell swing rod hole and the bottom shell swing rod hole are also in a circular arc shape and are longer than the swing rod hole of the driving device.

Furthermore, the front end of the cylindrical hollow magnet is an N pole, and the rear end of the cylindrical hollow magnet is an S pole.

The beneficial effects of the utility model are that under the condition of uninterrupted monitoring camera work, can block at any time that monitoring camera shoots with video-corder to the scene.

Drawings

The present invention will be further explained with reference to the accompanying drawings.

Fig. 1 is an effect diagram of the present invention.

Fig. 2 is an exploded view of the front structure of the present invention.

Fig. 3 is an exploded view of the reverse structure of the present invention.

Fig. 4 is a sectional view of the driving device of the present invention.

Fig. 5 is a bottom structure view of the driving device of the present invention.

Detailed Description

As shown in fig. 1, the present invention relates to a lens shading device for a network monitoring camera.

As shown in fig. 2-3, the present invention includes a light shielding device 2, a driving device 1 installed on the light shielding device 2, and a lens mount 3 installed on the light shielding device 2. The shading device 2 comprises a top shell 23 which is formed by buckling a bottom shell 21 and the bottom shell 21, a shading plate 22 which is rotatably arranged inside a buckling body of the bottom shell 21 and the top shell 23, the bottom case 21 includes a bottom case swing rod hole 212 and a light shielding plate fixing hole 211 provided at the right front end, a catching portion 214 provided at the periphery, and a bottom case lens hole 213 provided at the middle rear portion, the top case 23 includes a top case lens hole 233 provided at the middle rear portion thereof, a driving device mount 230 provided at the right front portion thereof, a driving device fixing hole 231 provided at the periphery of the driving device mount 230, a top case swing rod hole 232 provided at the middle portion of the driving device mount 230, the visor 22 includes a visor 223 disposed at a left end thereof, a mounting hole 221 disposed at a right end thereof, a swing link power hole 222 disposed at a rear side of the right end thereof, a latch part 234 disposed at a periphery thereof, and a visor rotating shaft 234 disposed at a bottom of the top case 23.

As shown in fig. 4 and 5, the driving device 1 includes a housing 11, an upper frame 12 and a lower frame 13 mounted inside the housing 11, a coil 14 wound around the periphery of a fastener of the upper frame 12 and the lower frame 13, a cylindrical hollow magnet 17 mounted inside the fastener of the upper frame 12 and the lower frame 13, an iron core 16 fixed in a central hole of the cylindrical hollow magnet 17, a swing rod 15 disposed at the bottom of the iron core 16, a fixing leg 10 disposed at the bottom of the housing 11, iron core shaft holes 18 respectively disposed at the upper and lower ends of the inner sides of the fasteners of the upper frame 12 and the lower frame 13, iron core rotating shafts 19 respectively disposed at the upper and lower ends of the iron core 16, the iron core rotating shafts 19 rotatably mounted in the iron core 18, a swing rod hole 9 disposed at the bottom of the lower frame 13, and a limit switch 20 respectively disposed at both ends of the swing rod hole 9, the positive and negative poles of the solenoid 14 are respectively connected with the positive and negative poles of the control circuit.

As shown in fig. 2 and 3, the bottom housing 21 and the top housing 23 are fastened by a fastening portion 214 and a fastening portion 234, the driving device fixing hole 231 is fixed to the fixing pin 10 by a screw, the top housing lens hole 233 is fastened to the bottom housing lens hole 213 to form the lens interface 3, and the light shielding plate rotating shaft 234 is fixed to the light shielding plate fixing hole 211 by a screw.

As shown in fig. 1 and 2, the light-shielding plate 223 at the left end of the light-shielding plate 22 has an area larger than that of the lens mount 3.

As shown in fig. 2 and 5, the driving device swing rod hole 9 is a circular arc, the swing rod 15 extends from the driving device swing rod hole 9, passes through the top shell swing rod hole 232 and the bottom shell swing rod hole 212 in series, and is inserted into the swing rod power hole 222, and the top shell swing rod hole 232 and the bottom shell swing rod hole 212 are also circular arcs, and have a length greater than that of the driving device swing rod hole 9.

As shown in fig. 4, the front end of the cylindrical hollow magnet 17 is an N pole, and the rear end thereof is an S pole.

As shown in fig. 4, under a normal monitoring camera lens, the light shielding plate 22 of the light shielding device is in an open state, when people need not to record the scene corresponding to the lens in a short time, the mobile phone APP can be turned on, the shielding key is pressed, after the control chip in the camera receives the shielding instruction, a positive pulse current is given to the coil 14 of the driving device 1 through the control circuit, and after the coil 14 is electrified, magnetic poles are generated at the left end and the right end of the coil 14, assuming that the left end is an S pole, the right end is an N pole, the front end of the cylindrical hollow magnet 17 is an N pole, the rear end of the cylindrical hollow magnet is an S pole, the S pole at the left end attracts the N pole at the front end, the N pole at the right end attracts the S pole at the rear end, the cylindrical hollow magnet 17 rotates clockwise, the swing rod 15 swings forwards, the swing rod 15 pulls the shading plate 22 to rotate clockwise, the lens interface 3 is shielded, and the condition that the scene can not be shot and recorded by the lens of the monitoring camera is avoided. When the lens of the shielding camera needs to be removed, the shielding removing key is pressed down, after a control chip in the camera receives a removing instruction, a reverse pulse current is given to a coil 14 of the driving device 1 through a control circuit, the coil 14 generates an N pole and an S pole respectively at the left end and the right end of the coil 14 after being electrified, the front end of the cylindrical hollow magnet 17 is the N pole, the rear end of the cylindrical hollow magnet 17 is the S pole, the N pole at the left end attracts the S pole at the rear end, the S pole at the right end attracts the N pole at the front end, the cylindrical hollow magnet 17 rotates anticlockwise, the swing rod 15 swings backwards, the swing rod 15 pulls the light shielding plate 22 to rotate anticlockwise, the lens interface 3 is opened, and the lens of the monitoring camera can continuously record the situation of the scene.

Claims

1. A lens shading device of a network monitoring camera is characterized by comprising a shading device, a driving device arranged on the shading device, a lens interface arranged on the shading device, wherein the shading device comprises a top shell and a shading plate, the top shell is buckled with a bottom shell, the shading plate is rotatably arranged inside a buckling body of the bottom shell and the top shell, the bottom shell comprises a bottom shell swing rod hole and a shading plate fixing hole which are arranged at the right front end, a clamping part arranged at the periphery and a bottom shell lens hole arranged at the middle rear part, the top shell comprises a top shell lens hole arranged at the middle rear part, a driving device mounting seat arranged at the right front part, a driving device fixing hole arranged at the periphery of the driving device mounting seat, a top shell swing rod hole arranged at the middle part of the driving device mounting seat, and the shading plate comprises a shading sheet arranged at the left end of the driving device, the light screen rotating shaft is arranged at the bottom of the top shell.

2. The lens shading device of the network monitoring camera according to claim 1, wherein the driving device comprises a housing, an upper frame body and a lower frame body which are arranged inside the housing, a coil which is wound on the periphery of a fastener of the upper frame body and the lower frame body, a cylindrical hollow magnet which is arranged inside the fastener of the upper frame body and the lower frame body, an iron core which is fixed in a central hole of the cylindrical hollow magnet, and a swing rod which is arranged at the bottom of the iron core, the bottom of the shell is provided with a fixed foot, the upper end and the lower end of the inner side of the buckling body of the upper frame body and the lower frame body are respectively provided with an iron core shaft hole, the upper end and the lower end of the iron core are respectively provided with an iron core rotating shaft which is rotatably arranged in the iron core shaft hole, the bottom of the lower frame body is provided with a driving device swing rod hole, and two ends of the driving device swing rod hole are respectively provided with a limit switch.

3. The lens shading device for the network monitoring camera according to claim 1, wherein the bottom shell and the top shell are fastened by a fastening portion and a fastening portion, the driving device fixing hole is fixed with the fixing pin by a screw, the top shell lens hole is fastened with the bottom shell lens hole to form a lens interface, and the light shielding plate rotating shaft is fixed with the light shielding plate fixing hole by a screw.

4. The lens shading device for the network monitoring camera according to claim 2, wherein the driving device swing rod hole is a circular arc, the swing rod extends out of the driving device swing rod hole, continuously passes through the top shell swing rod hole and the bottom shell swing rod hole, and is inserted downwards into the swing rod power hole, and the top shell swing rod hole and the bottom shell swing rod hole are also circular arcs, and the length of the top shell swing rod hole and the length of the bottom shell swing rod hole are larger than that of the driving device swing rod hole.

5. The lens shading device for the network monitoring camera according to claim 2, wherein the front end of the cylindrical hollow magnet is an N pole, and the rear end of the cylindrical hollow magnet is an S pole.

6. The lens shading device for the network monitoring camera according to claim 1, wherein the area of the shading sheet at the left end of the shading plate is larger than that of the lens interface.

7. The lens shading device for the network monitoring camera according to claim 2, wherein the positive and negative electrodes of the solenoid are respectively connected with the positive and negative electrodes of the control circuit.