CN112468704A

CN112468704A - Pan-tilt camera for classroom and control system thereof

Info

Publication number: CN112468704A
Application number: CN202011333039.7A
Authority: CN
Inventors: 朱玉荣; 汤鹏飞
Original assignee: Anhui Wenxiang Information Technology Co Ltd
Current assignee: Anhui Wenxiang Information Technology Co Ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-03-09

Abstract

The invention discloses a pan-tilt camera for a classroom and a control system thereof, and relates to the technical field of pan-tilt cameras. The invention comprises a mounting bracket and a camera body; a fixed cylinder is fixedly arranged on one side of the mounting bracket; a rotary sleeve is rotationally arranged on the peripheral side surface of the fixed cylinder; an opening end of the rotating sleeve is hinged with an installation shell, and a camera body is installed in the installation shell; the bottom of the mounting shell is movably connected with the bottom of the rotary sleeve through a connecting rod; a pair of annular grooves is formed in the peripheral side surface of the fixed cylinder; a driving motor is eccentrically arranged in the fixed cylinder; the driving motor is provided with an output shaft, and a gear is fixed through the output shaft; the inner diameter of the rotating sleeve is larger than the outer diameter of the fixed cylinder. The invention solves the problems that the existing pan-tilt camera has a complex structure, is expensive, is difficult to well monitor a plurality of angle ranges and has poor heat dissipation performance through the effects of the mounting bracket, the camera body, the rotating sleeve and the mounting shell.

Description

Pan-tilt camera for classroom and control system thereof

Technical Field

The invention belongs to the technical field of pan-tilt cameras, and particularly relates to a pan-tilt camera for a classroom and a control system thereof.

Background

With the progress of science and technology and the development of society, the application field of the video monitoring system is wider and wider. Video monitoring equipment is seen everywhere in government departments, financial institutions, or shopping malls, cell parks, classrooms, and plays an increasingly greater role. The type of monitoring device used varies according to the application scenario. As a monitoring device, the pan-tilt camera has the characteristics and advantages of adjustable working posture, strong controllability and the like, is a more flexible monitoring camera, and can meet the requirements of various occasions.

The existing pan-tilt camera has a complex structure and a high price, is difficult to well monitor a plurality of angle ranges, has poor heat dissipation performance and influences the service life of the existing pan-tilt camera.

Disclosure of Invention

The invention aims to provide a pan-tilt camera for a classroom and a control system thereof, which solve the problems that the existing pan-tilt camera is complex in structure, expensive in price, difficult to monitor a plurality of angle ranges and poor in heat dissipation performance through the effects of an installation bracket, a camera body, a rotary sleeve and an installation shell.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a pan-tilt camera for a classroom, which comprises a mounting bracket and a camera body; a fixed cylinder is fixedly arranged on one side of the mounting bracket; a rotary sleeve is rotatably arranged on the peripheral side surface of the fixed cylinder; an opening end of the rotating sleeve is hinged with an installation shell, and a camera body is installed in the installation shell;

the bottom of the mounting shell is movably connected with the bottom of the rotary sleeve through a connecting rod; a pair of annular grooves is formed in the peripheral side surface of the fixed cylinder; a driving motor is eccentrically arranged in the fixed cylinder; the driving motor is provided with an output shaft, and a gear is fixed through the output shaft; the inner diameter of the rotating sleeve is larger than the outer diameter of the fixed cylinder, so that a gap is formed between the rotating sleeve and the fixed cylinder; and an electric telescopic rod is arranged at the bottom of the rotary sleeve.

Furthermore, a plurality of fasteners are arranged on the mounting bracket and are fixed with the classroom wall through the fasteners.

Further, a first heat dissipation groove is circumferentially arrayed between the pair of annular grooves; and a second heat dissipation groove is circumferentially arrayed at the position, close to the opening, of the fixed cylinder.

Furthermore, a pair of limiting rings is fixedly connected to the inner wall of the rotary sleeve; a heat dissipation hole is formed in one side face of the limiting ring close to the opening of the fixed cylinder; the inner wall of the rotary sleeve is fixedly connected with a gear ring; the gear ring is meshed with the gear.

Further, a first hinged support is fixed at the opening of the rotary sleeve close to the gear ring; the bottom of the rotating sleeve is fixedly connected with a rectangular frame; an electric telescopic rod is fixed in the rectangular frame.

Furthermore, the mounting shell is of a semicircular pipe structure; a first connecting seat is fixed at one end of the mounting shell; a semicircular ring is fixedly connected to the inner wall of the other end of the mounting shell; a second hinged support is fixed at the bottom of the mounting shell; the first connecting seat is hinged with the first hinged seat; the two ends of the connecting rod are provided with second connecting seats; the second connecting seat is hinged with the second hinged seat; and the other second connecting seat is in sliding fit with the inner wall of the rectangular frame.

Furthermore, a pair of notch grooves is formed in the upper surface of the mounting shell; the inner wall of the gap groove is provided with a threaded blind hole.

Further, the inner surface of the mounting shell is circumferentially arrayed with anti-skid shock-absorbing pads.

Further, a pair of fixed blocks is fixedly connected to the peripheral side surface of the camera body; and fastening screws are matched with the inner walls of the fixing blocks and matched with the inner walls of the threaded blind holes.

A control system for a pan-tilt-zoom camera for a classroom comprises a central control unit; the central control unit is respectively connected with a rotating unit and an angle adjusting unit; the rotating unit comprises a driving motor and a gear; the gear is matched with the inner wall of the rotary sleeve; the angle adjusting unit comprises an electric telescopic rod; the telescopic end of the electric telescopic rod is fixed with one end of the connecting rod; the central control unit is also connected with a power unit and a heat dissipation unit respectively; the heat dissipation unit comprises a heat dissipation fan arranged in the fixed cylinder; the heat radiation fan discharges the heat generated by the driving motor through the gap between the rotating sleeve and the fixed cylinder.

The invention has the following beneficial effects:

1. according to the invention, the gap is formed between the rotating sleeve and the fixed cylinder, and the heat generated by the driving motor is discharged through the first heat dissipation groove, the second heat dissipation groove and the gap between the rotating sleeve and the fixed cylinder, so that the service life of the whole device is prolonged.

2. According to the invention, the gear ring is meshed with the gear, and the driving motor is driven to rotate so as to drive the rotary sleeve, the mounting shell and the camera body to rotate together, so that the camera is convenient to monitor within a range of 360 degrees in the vertical direction, and is simple to control.

3. The camera body is hinged with the first hinged support through the first connecting seat, so that the angle of the camera body can be conveniently adjusted, and the classroom condition in a vertical range can be monitored; articulated through second connecting seat and second free bearing for the supplementary inclination of adjusting the camera body carries out auxiliary stay to it simultaneously, puies forward high strength.

4. According to the camera mounting structure, the fastening screw is matched with the inner wall of the threaded blind hole, so that the camera body and the mounting shell are fixed, the camera body is prevented from being separated from the mounting shell in the process that the mounting shell rotates along with the rotating sleeve, and the stability between the camera body and the mounting shell is improved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a pan-tilt camera for a classroom according to the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic structural view of a mounting bracket;

FIG. 4 is a schematic structural view of a rotating sleeve;

FIG. 5 is a schematic structural view of the mounting housing;

FIG. 6 is a schematic structural diagram of a camera body;

fig. 7 is a schematic configuration diagram of a control system for a pan-tilt camera for a classroom;

in the drawings, the components represented by the respective reference numerals are listed below:

1-mounting bracket, 2-rotating sleeve, 3-mounting housing, 4-camera body, 5-connecting rod, 101-fastener, 102-fixing barrel, 103-annular groove, 104-driving motor, 105-output shaft, 106-gear, 107-first heat sink, 108-second heat sink, 201-spacing ring, 202-heat sink, 203-gear ring, 204-first hinge mount, 205-rectangular frame, 206-electric telescopic rod, 301-first connection mount, 302-semicircular ring, 303-notch groove, 304-threaded blind hole, 305-second hinge mount, 306-anti-skid shock pad, 401-fixing block, 402-fastening screw, 501-second connection mount.

Detailed Description

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

Referring to fig. 1 to 7, the present invention is a pan-tilt camera for classroom, including a mounting bracket 1 and a camera body 4; a fixed cylinder 102 is fixedly arranged on one side of the mounting bracket 1; a rotary sleeve 2 is rotationally arranged on the peripheral side surface of the fixed cylinder 102; an opening end of the rotating sleeve 2 is hinged with an installation shell 3, and a camera body 4 is installed in the installation shell 3;

the bottom of the mounting shell 3 is movably connected with the bottom of the rotating sleeve 2 through a connecting rod 5; a pair of annular grooves 103 are formed on the peripheral side surface of the fixed cylinder 102; a driving motor 104 is eccentrically arranged in the fixed cylinder 102; the driving motor 104 is provided with an output shaft 105, and a gear 106 is fixed through the output shaft 105; the inner diameter of the rotating sleeve 2 is larger than the outer diameter of the fixed cylinder 102, so that a gap is formed between the rotating sleeve and the fixed cylinder 102, and heat generated by the driving motor 104 is discharged through the first heat dissipation groove 107, the second heat dissipation groove 108 and the gap between the rotating sleeve 2 and the fixed cylinder 102, so that the service life of the whole device is prolonged; the bottom of the rotary sleeve 2 is provided with an electric telescopic rod 206.

Preferably, as shown in fig. 3, the mounting bracket 1 is provided with a plurality of fasteners 101 and is fixed to the classroom wall by the fasteners 101.

Preferably, as shown in fig. 3, a first heat dissipation groove 107 is circumferentially arrayed between a pair of annular grooves 103; the fixed cylinder 102 has second heat dissipation grooves 108 arranged circumferentially near its opening.

Preferably, as shown in fig. 4, a pair of limiting rings 201 is fixedly connected to the inner wall of the rotating sleeve 2; a heat dissipation hole 202 is formed in one side surface of the limiting ring 201 close to the opening of the fixed cylinder 102; the inner wall of the rotary sleeve 2 is fixedly connected with a gear ring 203; the gear ring 203 is meshed with the gear 106, and the driving motor 104 is driven to rotate so as to drive the rotary sleeve 2, the mounting shell 3 and the camera body 4 to rotate together, so that the monitoring in a 360-degree range in the vertical direction is facilitated, and the control is simple.

Preferably, as shown in fig. 4, a first hinge base 204 is fixed on the rotary sleeve 2 near the opening of the gear ring 203; the bottom of the rotary sleeve 2 is fixedly connected with a rectangular frame 205; an electric telescopic rod 206 is fixed in the rectangular frame 205.

Preferably, as shown in fig. 5, the mounting housing 3 has a semi-circular tube structure; a first connecting seat 301 is fixed at one end of the mounting shell 3; a semicircular ring 302 is fixedly connected to the inner wall of the other end of the mounting shell 3; a second hinge base 305 is fixed at the bottom of the mounting shell 3; the first connecting seat 301 is hinged with the first hinged seat 204, so that the angle of the camera body 4 can be conveniently adjusted, and classroom conditions in a vertical range can be monitored; both ends of the connecting rod 5 are provided with second connecting seats 501; a second connecting seat 501 is hinged to the second hinged seat 305, and is used for assisting in adjusting the inclination angle of the camera body 4 and assisting in supporting the camera body, so that the strength is improved; another second connecting seat 501 is slidably fitted to the inner wall of the rectangular frame 205.

Preferably, as shown in fig. 5, the upper surface of the mounting housing 3 is provided with a pair of notch grooves 303, and the camera body 4 is clamped and positioned through the notch grooves 303; the inner wall of the notch groove 303 is provided with a blind threaded hole 304.

Preferably, as shown in fig. 5, anti-slip shock absorbing pads 306 are circumferentially arrayed on the inner surface of the mounting housing 3, so as to prevent the camera body 4 and the mounting housing 3 from easily sliding during mounting, and improve the anti-vibration function of the camera body 4.

Preferably, as shown in fig. 6, a pair of fixing blocks 401 is fixedly connected to the circumferential side surface of the camera body 4; the fixed block 401 inner wall cooperation has fastening screw 402, and fastening screw 402 and the cooperation of screw thread blind hole 304 inner wall to fix camera body 4 and installation casing 3, prevent that installation casing 3 from along with rotatory sleeve pipe 2 pivoted in-process, camera body 4 breaks away from with installation casing 3 mutually, improves stability can between the two.

A control system for a pan-tilt-zoom camera for a classroom comprises a central control unit; the central control unit is respectively connected with a rotating unit and an angle adjusting unit; the rotation unit includes a drive motor 104 and a gear 106; the gear 106 is matched with the inner wall of the rotary sleeve 2; the angle adjustment unit comprises an electric telescopic rod 206; the telescopic end of the electric telescopic rod 206 is fixed with one end of the connecting rod 5; the central control unit is also connected with a power unit and a heat dissipation unit respectively; the heat dissipation unit includes a heat dissipation fan disposed in the fixed cylinder 102; the heat dissipation fan discharges the heat generated by the driving motor 104 through the gap between the rotary sleeve 2 and the fixed cylinder 102, thereby improving the heat dissipation performance and prolonging the service life of the whole device.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand the invention for and with the aid of the various embodiments. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A pan-tilt-zoom camera for classrooms comprises a mounting bracket (1) and a camera body (4); the method is characterized in that:

a fixed cylinder (102) is fixedly arranged on one side of the mounting bracket (1); a rotary sleeve (2) is rotationally arranged on the peripheral side surface of the fixed cylinder (102); an opening end of the rotating sleeve (2) is hinged with an installation shell (3), and a camera body (4) is installed in the installation shell (3);

the bottom of the mounting shell (3) is movably connected with the bottom of the rotating sleeve (2) through a connecting rod (5);

a pair of annular grooves (103) are formed in the peripheral side surface of the fixed cylinder (102); a driving motor (104) is eccentrically arranged in the fixed cylinder (102); the driving motor (104) is provided with an output shaft (105), and a gear (106) is fixed through the output shaft (105);

the inner diameter of the rotating sleeve (2) is larger than the outer diameter of the fixed cylinder (102), so that a gap is formed between the rotating sleeve and the fixed cylinder;

an electric telescopic rod (206) is arranged at the bottom of the rotary sleeve (2).

2. A pan-tilt camera for classroom according to claim 1 wherein the mounting bracket (1) is provided with fasteners (101) and is secured to the classroom wall by the fasteners (101).

3. A pan-tilt camera for classroom according to claim 1 wherein a first heat sink groove (107) is circumferentially arrayed between a pair of said annular grooves (103);

and second heat dissipation grooves (108) are circumferentially arrayed on the fixed cylinder (102) close to the opening of the fixed cylinder.

4. A pan-tilt camera for classroom according to claim 1 or 3 wherein a pair of stop rings (201) is fixedly attached to the inner wall of the rotating sleeve (2); a heat dissipation hole (202) is formed in one side face of the limiting ring (201) close to the opening of the fixed cylinder (102);

the inner wall of the rotary sleeve (2) is fixedly connected with a gear ring (203); the ring gear (203) is meshed with the gear (106).

5. A pan-tilt camera for classrooms according to claim 1 or 3, characterized in that the rotating sleeve (2) is fixed with a first hinge seat (204) close to the opening of the ring gear (203); the bottom of the rotating sleeve (2) is fixedly connected with a rectangular frame (205); an electric telescopic rod (206) is fixed in the rectangular frame (205).

6. A pan/tilt camera for classrooms according to claim 5, characterized in that said mounting housing (3) is of a semi-circular tubular construction; a first connecting seat (301) is fixed at one end of the mounting shell (3); a semicircular ring (302) is fixedly connected to the inner wall of the other end of the mounting shell (3); a second hinged support (305) is fixed at the bottom of the mounting shell (3);

the first connecting seat (301) is hinged with the first hinged seat (204);

two ends of the connecting rod (5) are provided with second connecting seats (501); the second connecting seat (501) is hinged with the second hinged seat (305); the other second connecting seat (501) is in sliding fit with the inner wall of the rectangular frame (205).

7. The pan/tilt camera for classroom according to claim 5 wherein said mounting housing (3) has a pair of notched grooves (303) formed in its upper surface; the inner wall of the gap groove (303) is provided with a threaded blind hole (304).

8. Pan-tilt camera for classroom according to claim 6 or 7, characterized in that the inner surface of the mounting housing (3) is circumferentially arrayed with anti-slip shock-absorbing pads (306).

9. The pan-tilt camera for classroom according to claim 7 wherein a pair of fixed blocks (401) are fixedly attached to the peripheral side of the camera body (4); and a fastening screw (402) is matched with the inner wall of the fixing block (401), and the fastening screw (402) is matched with the inner wall of the threaded blind hole (304).

10. A control system for a pan-tilt-zoom camera for a classroom, comprising a central control unit; the central control unit is respectively connected with a rotating unit and an angle adjusting unit;

the rotary unit comprises a drive motor (104) and a gear (106); the gear (106) is matched with the inner wall of the rotary sleeve (2);

the angle adjustment unit comprises an electric telescopic rod (206); the telescopic end of the electric telescopic rod (206) is fixed with one end of the connecting rod (5);

the central control unit is also connected with a power unit and a heat dissipation unit respectively; the heat dissipation unit comprises a heat dissipation fan arranged in the fixed cylinder (102); the heat dissipation fan discharges heat generated by the driving motor (104) through a gap between the rotating sleeve (2) and the fixed cylinder (102).