CN220749751U - Monitoring device for examination room invigilation - Google Patents

Abstract

The utility model relates to the field of examination room monitoring devices, and discloses a monitoring device for examination room monitoring, which comprises a monitoring camera and an internally hollow mounting base, wherein a connecting rotating shaft is rotatably arranged at the center of the bottom end of the mounting base, the top end of the monitoring camera is fixedly provided with an integrated hinged protruding block, the monitoring camera is hinged with the bottom end of the mounting base through the hinged protruding block, the top end of the connecting rotating shaft extends to the inside of the mounting base and is provided with a first angle adjusting mechanism capable of driving the monitoring camera to rotate left and right, the connecting rotating shaft is hollow, the connecting rotating shaft is internally communicated up and down, and the connecting part of the monitoring camera and the bottom end of the connecting rotating shaft is provided with a second angle adjusting mechanism capable of driving the monitoring camera to turn up and down, so that the monitoring camera can adjust angles, and any region in an examination room can carry out shooting monitoring, the examination room monitoring effect is improved, multiple groups of monitoring cameras are not required to be arranged in the examination room, and equipment investment is reduced.

Description

Monitoring device for examination room invigilation

Technical Field

The utility model relates to the field of examination room monitoring devices, in particular to a monitoring device for examination room examination.

Background

At present, the invigilation work of an examination room is realized by arranging corresponding invigilators in the examination room, for example, a classroom of a school is used as the examination room, a camera is usually arranged at the front part or the rear part of the classroom so as to realize the effect of forward monitoring or back monitoring of students, the existing monitoring equipment is arranged in the classroom, the monitored area in the examination room is smaller and cannot be monitored in all directions, the equipment investment is increased, and the use effect is influenced by the inconvenience of dead angle adjustment easily when the examination is performed.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a monitoring device for examination room proctorial, which solves the problems.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a monitoring device for examination hall prison, includes the installation base of surveillance camera head and inside cavity form, installation base's bottom center department rotates installs the connection pivot, surveillance camera head top end sets firmly the articulated protruding piece of integration, and the surveillance camera head is articulated through the articulated protruding piece and the bottom of installation base, the top of connecting the pivot extends to installation base's inside and is provided with between the installation base and can drive surveillance camera head and control pivoted angle adjustment mechanism one, the hollow form that link up from top to bottom is for inside to connect the pivot, the surveillance camera head is provided with the angle adjustment mechanism two that can drive surveillance camera head upset from top to bottom through articulated protruding piece and connection pivot bottom junction.

Preferably, the terminal surface of articulated protruding piece is semi-circular and sets firmly one side of keeping away from the image acquisition end on the monitoring camera top, connect pivot bottom both sides and set firmly the articulated ear of integration and articulate with the both ends outer wall of articulated protruding piece through articulated ear.

Preferably, the bottom of the connecting rotating shaft is not contacted with the top outer wall of the monitoring camera, and a space exists.

Preferably, the first angle adjusting mechanism comprises a gear ring, a first driving gear and a first driving motor, the gear ring is fixedly sleeved on the outer side of the top end of the connecting rotating shaft extending into the mounting base, the first driving gear is rotatably mounted on one side of the inner wall of the bottom of the mounting base corresponding to the gear ring, the gear ring is meshed with the first driving gear, the first driving motor is fixedly arranged on the inner wall of the top end of the mounting base, and an output shaft of the first driving motor is fixedly connected with the center of the end face of the first driving gear.

Preferably, the second angle adjusting mechanism comprises a unfilled corner gear disc, a second driving gear and a second driving motor, the center of the outer wall of the top of the hinged protruding block is fixedly provided with an integrated unfilled corner gear disc, a central shaft positioned right above the unfilled corner gear disc is rotatably arranged between the inner walls of the connecting rotating shafts, the second driving gear is fixedly sleeved at the center of the central shaft, the bottom end of the second driving gear is meshed with the top end of the unfilled corner gear disc, the outer wall of the connecting rotating shaft is fixedly provided with the second driving motor corresponding to the position of the central shaft, and an output shaft of the second driving motor penetrates through the outer wall of the connecting rotating shaft and is fixedly connected with one end of the central shaft.

Preferably, the top area of the unfilled corner gear plate extends into the connecting rotating shaft through the bottom end of the opening of the connecting rotating shaft, and the axis point of the unfilled corner gear plate and the end surface hinge point of the hinge protruding block are located on the same horizontal line.

(III) beneficial effects

Compared with the prior art, the utility model provides a monitoring device for examination room prison, which has the following beneficial effects:

1. this examination room is monitored and is used monitoring device through angle adjustment mechanism I and angle adjustment mechanism II adjustable surveillance camera head horizontal angle in the horizontal space and the vertical angle in the vertical space to can make surveillance camera head carry out diversified angle of adjustment, and the arbitrary region in the examination room is monitored of making a video recording, improves examination room and monitors the examination effect, need not to install multiunit surveillance camera head in the examination room, reduce equipment input.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of an angle adjusting mechanism according to the present utility model;

FIG. 3 is a schematic diagram of a surveillance camera head according to the present utility model;

fig. 4 is a schematic view of a second structure of the angle adjusting mechanism of the present utility model.

In the figure: 1. monitoring a camera; 2. a mounting base; 3. the connecting rotating shaft; 4. hinging the protruding block; 5. an angle adjusting mechanism I; 6. an angle adjusting mechanism II; 7. a gear ring; 8. a first driving gear; 9. a first driving motor; 10. unfilled corner gear plate; 11. a driving gear II; 12. a second driving motor; 13. a central axis.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a monitoring device for examination room prison includes a monitor camera 1 and an installation base 2 with a hollow interior, a connection rotating shaft 3 is rotatably installed at the center of the bottom end of the installation base 2, an integrated hinge protruding block 4 is fixedly arranged at the top end of the monitor camera 1, the monitor camera 1 is hinged with the bottom end of the installation base 2 through the hinge protruding block 4, an angle adjusting mechanism I5 capable of driving the monitor camera 1 to rotate left and right is arranged between the top end of the connection rotating shaft 3 and the installation base 2, the connection rotating shaft 3 is hollow with the interior penetrating up and down, and an angle adjusting mechanism II 6 capable of driving the monitor camera 1 to turn up and down is arranged at the joint of the bottom end of the connection rotating shaft 3 and the monitor camera 1 through the hinge protruding block 4.

The terminal surface of articulated protruding piece 4 is semicircular and sets firmly one side of keeping away from the image acquisition end on monitoring camera 1 top, and the articulated ear of integration has been set firmly to the connection pivot 3 bottom both sides and is articulated through the both ends outer wall of articulated protruding piece 4, and the bottom of connection pivot 3 does not contact and has the interval space with monitoring camera 1's top outer wall, for monitoring camera 1 upset about reservation enough space.

The first angle adjusting mechanism 5 comprises a gear ring 7, a first driving gear 8 and a first driving motor 9, the gear ring 7 is fixedly sleeved on the outer side of the top end of the connecting rotating shaft 3 extending into the mounting base 2, the first driving gear 8 is rotatably mounted on one side of the inner wall of the bottom of the mounting base 2 corresponding to the gear ring 7, the gear ring 7 and the first driving gear 8 are meshed with each other, the first driving motor 9 is fixedly arranged on the inner wall of the top end of the mounting base 2, and an output shaft of the first driving motor 9 is fixedly connected with the center of the end face of the first driving gear 8.

The second angle adjusting mechanism 6 comprises an unfilled corner gear disc 10, a second driving gear 11 and a second driving motor 12, the center of the outer wall of the top of the hinged protruding block 4 is fixedly provided with the integrated unfilled corner gear disc 10, a central shaft 13 positioned right above the unfilled corner gear disc 10 is rotatably arranged between the inner walls of the connecting rotating shafts 3, the second driving gear 11 is fixedly sleeved at the center of the central shaft 13, the bottom end of the second driving gear 11 is meshed with the top end of the unfilled corner gear disc 10, the second driving motor 12 is fixedly arranged on the outer wall of the connecting rotating shaft 3 corresponding to the position of the central shaft 13, and an output shaft of the second driving motor 12 penetrates through the outer wall of the connecting rotating shaft 3 and is fixedly connected with one end of the central shaft 13.

The top area of unfilled corner gear disk 10 extends into connecting spindle 3 through the opening bottom of connecting spindle 3, and the axle center point of unfilled corner gear disk 10 and the terminal surface pin joint of articulated protruding piece 4 are located same horizontal line for surveillance camera head 1 uses the articulated department of articulated protruding piece 4 to overturn from top to bottom as the axle.

Working principle: when the monitoring device for the examination room prison is used, the first driving motor 9 in the mounting base 2 can be driven to drive the first driving gear 8 to rotate, so that the connecting rotating shaft 3 is driven to rotate through the meshed gear ring 7, the monitoring camera 1 and the connecting rotating shaft 3 can integrally rotate, the transverse angle of the monitoring camera 1 in the horizontal space is adjusted, meanwhile, the second driving motor 12 on the side surface of the connecting rotating shaft 3 can be driven to drive the second driving gear 11 to rotate through the central shaft 13, the monitoring camera 1 is driven to vertically overturn by taking the hinged position of the hinged protruding block 4 through the meshed unfilled corner gear disc 10, the longitudinal angle of the monitoring camera 1 in the vertical space is adjusted, the monitoring camera 1 can be enabled to carry out multi-azimuth adjustment angle, any area in the examination room is monitored in a shooting mode, the examination room is improved, multiple groups of monitoring cameras 1 are not required to be installed in the examination room, and equipment investment is reduced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a monitoring device for examination hall prison, includes surveillance camera head (1) and inside cavity form mounting base (2), its characterized in that: the utility model discloses a camera monitoring device, including installation base (2), connecting pivot (3) are installed in the bottom center department rotation of installation base (2), articulated protruding piece (4) of integration have been set firmly on surveillance camera head (1) top, and surveillance camera head (1) are articulated through the bottom of articulated protruding piece (4) with installation base (2), the top of connecting pivot (3) extends to the inside of installation base (2) and is provided with between installation base (2) can drive surveillance camera head (1) left and right sides pivoted angle adjustment mechanism (5), hollow form that link up from top to bottom is inside in connection pivot (3), surveillance camera head (1) are provided with angle adjustment mechanism two (6) that can drive surveillance camera head (1) upset from top to bottom through articulated protruding piece (4) and connecting pivot (3) bottom junction.

2. A monitoring device for examination room monitoring as defined in claim 1, wherein: the end face of the hinging protruding block (4) is semicircular and fixedly arranged on one side, far away from the image capturing end, of the top of the monitoring camera (1), and two sides of the bottom end of the connecting rotating shaft (3) are fixedly provided with integrated hinging lugs which are hinged with the outer walls of the two ends of the hinging protruding block (4).

3. A monitoring device for examination room monitoring as defined in claim 2, wherein: the bottom of the connecting rotating shaft (3) is not in contact with the outer wall of the top of the monitoring camera (1) and has a spacing space.

4. A monitoring device for examination room monitoring as defined in claim 1, wherein: the first angle adjusting mechanism (5) comprises a gear ring (7), a first driving gear (8) and a first driving motor (9), the outer side of the top end of the connecting rotating shaft (3) extending into the mounting base (2) is fixedly sleeved with the gear ring (7), one side, corresponding to the gear ring (7), of the inner wall of the bottom of the mounting base (2) is rotatably provided with the first driving gear (8), the gear ring (7) is meshed with the first driving gear (8), the inner wall of the top end of the mounting base (2) is fixedly provided with the first driving motor (9), and an output shaft of the first driving motor (9) is fixedly connected with the center of the end face of the first driving gear (8).

5. A monitoring device for examination room monitoring as defined in claim 1, wherein: the angle adjusting mechanism II (6) comprises an unfilled corner gear disc (10), a driving gear II (11) and a driving motor II (12), the unfilled corner gear disc (10) is fixedly arranged at the center of the outer wall of the top of the hinged protruding block (4), a central shaft (13) positioned right above the unfilled corner gear disc (10) is rotatably arranged between the inner walls of the connecting rotating shaft (3), the driving gear II (11) is fixedly sleeved at the center of the central shaft (13), the bottom end of the driving gear II (11) is meshed with the top end of the unfilled corner gear disc (10), the driving motor II (12) is fixedly arranged on the outer wall of the connecting rotating shaft (3) corresponding to the position of the central shaft (13), and an output shaft of the driving motor II (12) penetrates through the outer wall of the connecting rotating shaft (3) and is fixedly connected with one end of the central shaft (13).

6. A monitoring device for examination room monitoring as defined in claim 5, wherein: the top area of the unfilled corner gear disc (10) extends into the connecting rotating shaft (3) through the bottom end of the opening of the connecting rotating shaft (3), and the axis point of the unfilled corner gear disc (10) and the end face hinging point of the hinging protruding block (4) are positioned on the same horizontal line.