Intelligent campus examination room monitoring equipment

Abstract

The utility model relates to the technical field of monitoring equipment, in particular to intelligent campus examination room monitoring equipment, which comprises a camera, a camera mounting seat fixedly mounted at the bottom end of the camera, a T-shaped slide block slidably connected in a cross-shaped mounting groove, and a T-shaped slide block slidably connected in the cross-shaped mounting groove. Two circular clamping holes and two strip-shaped clamping holes are symmetrically formed in the rear portions and the front portions of the left side and the right side of the camera mounting base respectively, four embedded grooves are symmetrically formed in the front portions and the rear portions of the left side and the right side of the T-shaped sliding block, the bottom ends of the embedded grooves are fixedly connected with one ends of first springs, and the other ends of the first springs are fixedly connected with limiting pins; the limiting pins are axially and slidably connected into the embedded grooves, the two limiting pins on the rear portion are matched with the two circular clamping holes respectively, the two limiting pins on the front portion are matched with the two strip-shaped clamping holes respectively, the bottom end of the T-shaped sliding block is fixedly connected with the lower end of a hanging bracket assembly, and the upper end of the hanging bracket assembly is detachably and fixedly installed on the top base. The examination room monitoring equipment provided by the utility model is convenient to mount and dismount.

Description

Technical Field

[0001] The utility model relates to the technical field of monitoring equipment, and in particular to a smart campus examination room monitoring equipment. Background Art

[0002] A smart campus is an intelligent campus, which is usually composed of a campus infrastructure with sensor networks and intelligent hardware as the core, and an intelligent software system deployed on a cloud server in a data center, so that anyone can easily access resources and services at any time and any place; examination room monitoring equipment is an important part of a smart campus.

[0003] The examination room monitoring equipment uses surveillance cameras to collect real-time information about the examination room and sends it to the monitoring host through a controller for the invigilators to watch. At the same time, the controller sends the images collected by the surveillance cameras to the video surveillance server, thereby reducing the workload of the invigilators.

[0004] However, during the examination, due to the high requirements for use, the examination room monitoring equipment is very prone to malfunction. Once a malfunction occurs, it needs to be dealt with immediately, otherwise it will affect the progress of the next examination. The current monitoring equipment is installed in the classroom with bolts, and disassembly is relatively complicated. If the hardware is damaged, it takes a long time to replace it. For examination items that change subjects during the examination, the replacement and maintenance time is very limited, which is a very tricky problem especially for national unified examinations. Utility Model Content

[0005] The purpose of the utility model is to provide a smart campus examination room monitoring device to solve the technical problems existing in the above-mentioned background technology.

[0006] To achieve the above purpose, the technical solution of the utility model is as follows:

[0007] A smart campus examination room monitoring device comprises: a camera, a camera mounting seat, a T-shaped slider, a first spring, a limit pin and a top seat, wherein the camera is fixedly mounted on the bottom end of the camera, a cross-shaped mounting groove running through the front and back is provided at the bottom end of the camera mounting seat, the T-shaped slider is slidably connected in the cross-shaped mounting groove, two circular card holes and strip card holes are symmetrically provided at the rear and front parts on the left and right sides of the camera mounting seat, four embedded grooves are symmetrically provided at the front and rear parts on the left and right sides of the T-shaped slider, one end of the embedded groove is fixedly connected to the bottom end of the embedded groove, the other end of the first spring is fixedly connected to the limit pin, the limit pin is axially slidably connected in the embedded groove, the two limit pins at the rear are respectively matched with the two circular card holes, the two limit pins at the front are respectively matched with the two strip card holes, the bottom end of the T-shaped slider is fixedly connected to the lower end of the hanger assembly, and the upper end of the hanger assembly is detachably fixedly mounted on the top seat.

[0008] Furthermore, the camera mounting base is fixedly mounted on the bottom end of the camera by a plurality of screws.

[0009] Furthermore, the hanger assembly includes: a bracket, a connecting shaft, a cross arm, a suspension rod and a suspension seat, one end of the bracket is fixedly connected to the bottom end of the T-shaped slider, the bracket is hinged to one end of the cross arm through the connecting shaft, a first adjusting assembly for driving the bracket to rotate around the connecting shaft is installed inside the cross arm, one end of the suspension rod is fixedly connected to the top of the other end of the cross arm, the other end of the suspension rod passes through and is rotationally connected to the suspension seat, a second adjusting assembly for driving the suspension rod to rotate axially is arranged inside the suspension seat, and the suspension seat is detachably fixed at the bottom of the top seat.

[0010] Furthermore, the first adjustment component includes: a driven gear, a driving gear, a gear shaft, a first servo motor and a motor fixing bracket, the driven gear is fixedly connected to the middle part of the bracket and is coaxial with the connecting shaft, the driving gear meshes with the driven gear, the middle part of the driving gear passes through and is fixedly connected with a gear shaft, the gear shaft passes through and is rotatably connected to the front and rear ends of the cross arm, the gear shaft is fixedly connected to the output end of the first servo motor at the front end of the cross arm, and the first servo motor is fixedly installed on the outside of the cross arm through the motor fixing bracket.

[0011] Furthermore, the second adjustment component includes: a driven bevel gear, a driving bevel gear and a second servo motor. An installation cavity is opened at the top of the hanger. The hanger rod penetrates through and rotatably connects to the hanger from bottom to top. The top of the hanger rod is fixedly connected to a driven bevel gear. The driven bevel gear meshes with the driving bevel gear. The driving bevel gear is fixedly connected to the output end of the second servo motor. The second servo motor is fixedly installed in the installation cavity.

[0012] Furthermore, a bearing groove is provided in the middle of the bottom end of the installation cavity, a bearing is sleeved and fixed on the upper part of the suspension rod, and the bearing is installed in the bearing groove.

[0013] Furthermore, it also includes: a card block, a positioning shaft and a second spring, two vertical slide grooves are symmetrically provided on the front and rear sides of the outer wall of the suspension seat, a card block is vertically slidably connected in the vertical slide groove, the positioning shaft is fixedly connected to the upper and lower ends of the vertical slide groove, a sliding hole is provided on the card block, the positioning shaft slides through the sliding hole, and the positioning shaft is sleeved with a second spring at both ends which respectively press and contact the top wall of the vertical slide groove and the top end surface of the card block, the top of the top seat is rectangular and the bottom is circular, the outer wall of the suspension seat is gap-matched with the inner wall of the bottom of the top seat, and two centrally symmetrically arranged bayonet sockets are provided on the side wall of the bottom of the top seat, and the two card blocks are detachably engaged with the two bayonet sockets respectively.

[0014] Furthermore, the bayonet is composed of an entrance and exit at the bottom, a transverse channel in the middle and a sunken slot connected in sequence, the horizontal height of the bottom end surface of the sunken slot is lower than the horizontal height of the bottom end surface of the transverse channel, and the sizes of the entrance and exit, transverse channel and sunken slot are all matched with the size of the card block.

[0015] Furthermore, two arc-shaped recessed grooves are symmetrically provided on the left and right sides of the side wall of the hanging seat, and heat dissipation holes penetrating the inside and outside of the hanging seat are provided on the arc-shaped recessed grooves.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The camera mounting base is slidably matched with the T-shaped slider installed at the lower end of the hanger assembly, and four limit pins are respectively matched with two bar-shaped card holes and two circular card holes. When the camera needs to be removed, only the four limit pins are pressed inward to remove the camera together with the camera mounting base from the T-shaped slider, which is easy to disassemble.

[0018] 2. The first adjustment component and the second adjustment component are used together to adjust the position of the camera lens.

[0019] 3. The quick disassembly and assembly of the hanging seat can be achieved by cooperating with the provided clamping block and the bayonet. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 It is a cross-sectional view of the utility model at the limit pin;

[0022] Figure 3 It is a longitudinal sectional view of the utility model;

[0023] Figure 4 It is a cross-sectional view of the utility model at the gear shaft.

[0024] The numbers in the accompanying drawings are: 1-camera, 2-camera mounting seat, 201-cross mounting groove, 202-circular card hole, 203-bar card hole, 3-T-shaped slider, 301-embedded groove, 4-first spring, 5-limit pin, 6-bracket, 7-driven gear, 8-connecting shaft, 9-cross arm, 10-driving gear, 11-gear shaft, 12-first servo motor, 13-motor fixing frame, 14-suspending rod, 15-suspending seat, 1501-vertical slide groove, 1502-arc-shaped recessed groove, 1503-heat dissipation hole, 16-driven bevel gear, 17-bearing, 18-driving bevel gear, 19-second servo motor, 20-block, 21-positioning shaft, 22-second spring, 23-top seat, 2301-bayonet. DETAILED DESCRIPTION

[0025] The utility model is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0026] See also Figures 1 to 4 As shown, a smart campus examination room monitoring device includes: a camera 1, a camera mounting seat 2, a T-shaped slider 3, a first spring 4, a limit pin 5 and a top seat 23. The camera mounting seat 2 is fixedly mounted on the bottom of the camera 1 by a plurality of screws. A cross-shaped mounting groove 201 running through the front and back is provided at the bottom of the camera mounting seat 2. The T-shaped slider 3 is slidably connected in the cross-shaped mounting groove 201. The rear and front parts of the left and right sides of the camera mounting seat 2 are symmetrically provided with two circular card holes 202 and bar card holes 203, respectively. The T-shaped slider 3 Four embedded grooves 301 are symmetrically provided at the front and rear of the left and right sides, one end of the first spring 4 is fixedly connected to the bottom end of the embedded groove 301, the other end of the first spring 4 is fixedly connected to the limit pin 5, the limit pin 5 is axially slidably connected in the embedded groove 301, the two limit pins 5 at the rear are respectively matched with the two circular card holes 202, the two limit pins 5 at the front are respectively matched with the two strip card holes 203, the bottom end of the T-shaped slider 3 is fixedly connected to the lower end of the hanger assembly, and the upper end of the hanger assembly is detachably fixedly mounted on the top seat 23.

[0027] In this embodiment, the hanger assembly includes: a bracket 6, a connecting shaft 8, a cross arm 9, a suspension rod 14 and a suspension seat 15. One end of the bracket 6 is fixedly connected to the bottom end of the T-shaped slider 3. The bracket 6 is hinged to one end of the cross arm 9 through the connecting shaft 8. A first adjusting assembly for driving the bracket 6 to rotate around the connecting shaft 8 is installed inside the cross arm 9. One end of the suspension rod 14 is fixedly connected to the top of the other end of the cross arm 9. The other end of the suspension rod 14 passes through and is rotatably connected to the suspension seat 15. A second adjusting assembly for driving the suspension rod 14 to rotate axially is arranged inside the suspension seat 15. The suspension seat 15 is detachably fixed on the bottom of the top seat 23.

[0028] The first adjustment component includes: a driven gear 7, a driving gear 10, a gear shaft 11, a first servo motor 12 and a motor fixing frame 13. The driven gear 7 is fixedly connected to the middle part of the bracket 6 and is coaxial with the connecting shaft 8. The driving gear 10 meshes with the driven gear 7. The middle part of the driving gear 10 passes through and is fixedly connected with a gear shaft 11. The gear shaft 11 passes through and is rotatably connected to the front and rear ends of the cross arm 9. The gear shaft 11 is fixedly connected to the output end of the first servo motor 12 at the front end of the cross arm 9. The first servo motor 12 is fixedly installed on the outside of the cross arm 9 through the motor fixing frame 13. The gear shaft 11 is driven by the first servo motor 12 to rotate, thereby driving the driving gear 10 to rotate. The driving gear 10 drives the driven gear 7 to rotate, thereby realizing that the bracket 6 and the camera 1 installed thereon rotate with the connecting shaft 8 as the axis.

[0029] The second adjustment component includes: a driven bevel gear 16, a driving bevel gear 18 and a second servo motor 19. A mounting cavity is provided at the top of the hanger 15. The hanger 14 penetrates through and rotates to connect the hanger 15 from bottom to top. The top of the hanger 14 is fixedly connected with a driven bevel gear 16. The driven bevel gear 16 meshes with the driving bevel gear 18. The driving bevel gear 18 is fixedly connected to the output end of the second servo motor 19. The second servo motor 19 is fixedly installed in the mounting cavity. The driving bevel gear 18 is driven by the second servo motor 19 to rotate, thereby driving the driven bevel gear 16 to rotate. The driven bevel gear 16 drives the hanger 14 at the bottom and its upper components to rotate with the hanger 14 as the axis.

[0030] A bearing groove is provided in the middle of the bottom end of the installation cavity, and a bearing 17 is sleeved and fixed on the upper part of the suspension rod 14, and the bearing 17 is installed in the bearing groove.

[0031] In this embodiment, the smart campus examination room monitoring device also includes: a card block 20, a positioning shaft 21 and a second spring 22. Two vertical slide grooves 1501 are symmetrically opened on the front and rear sides of the outer wall of the hanging seat 15. The card block 20 is vertically slidably connected in the vertical slide groove 1501. The positioning shaft 21 is fixedly connected to the upper and lower ends of the vertical slide groove 1501. A sliding hole is opened on the card block 20, and the positioning shaft 21 slides through the sliding hole. The positioning shaft 21 is sleeved with a second spring 22 at both ends of which are respectively pressed and contacted with the top wall of the vertical slide groove 1501 and the top surface of the card block 20. The top of the top seat 23 is rectangular and the bottom is circular. The hanging seat 1 The outer wall of 5 is gap-matched with the inner wall of the bottom of the top seat 23. Two bayonet holes 2301 arranged symmetrically with the center are provided on the side wall of the bottom of the top seat 23. The two clamping blocks 20 are respectively detachably engaged with the two bayonet holes 2301. The bayonet hole 2301 is composed of an inlet and outlet at the bottom, a transverse channel in the middle and a sinking slot connected in sequence. The horizontal height of the bottom end surface of the sinking slot is lower than the horizontal height of the bottom end surface of the transverse channel. The sizes of the inlet and outlet, the transverse channel and the sinking slot are all matched with the sizes of the clamping block 20. The cooperation between the clamping block 20 and the bayonet hole 2301 realizes the rapid disassembly and assembly of the hanging seat 15 and the top seat 23.

[0032] In this embodiment, two arc-shaped recessed grooves 1502 are symmetrically provided on the left and right sides of the side walls of the suspension seat 15, and heat dissipation holes 1503 are provided on the arc-shaped recessed grooves 1502 and penetrate the inside and outside of the suspension seat 15. The heat dissipation holes 1503 can dissipate the heat generated by the second servo motor 19 in time.

[0033] When the device is in use, the top seat 23 is first installed at a suitable position in the classroom, and then the camera 1 is clamped on the T-shaped slider 3 through the camera mounting seat 2, and then the suspension seat 15 is inserted into the top of the top seat 23, and the block 20 is aligned with the entrance and exit of the bayonet 2301, and then the block 20 is pushed upward to the bottom and then rotated counterclockwise to the end of the transverse channel. At this time, the block 20 is clamped into the sinking slot under the action of the second spring 22, and finally the camera 1 is powered on and connected to the host, and the installation is completed; then the camera lens position is adjusted. During the adjustment, the gear shaft 11 is driven to rotate by the first servo motor 12, thereby driving the driving gear 10 to rotate, and the driving gear 10 drives the driven gear 7 to rotate, thereby realizing the rotation of the bracket 6 and the camera 1 installed thereon with the connecting shaft 8 as the axis; the driving bevel gear 18 is driven to rotate by the second servo motor 19, thereby driving the driven bevel gear 16 to rotate, and the driven bevel gear 16 drives the suspension rod 14 at its bottom and its upper parts to rotate with the suspension rod 14 as the axis.

[0034] In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inside", "outside", "top / bottom" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0035] The above description is only a preferred embodiment of the utility model and does not constitute any form of limitation to the utility model. Any technician familiar with the profession, without departing from the scope of the technical solution of the utility model and based on the technical essence of the utility model, any simple modification, equivalent replacement and improvement made to the above embodiment shall still fall within the scope of protection of the technical solution of the utility model.

Claims

1. A smart campus examination room monitoring device, characterized in that: include: A camera (1), a camera mounting seat (2), a T-shaped slider (3), a first spring (4), a limit pin (5) and a top seat (23), wherein the camera (1) is fixedly mounted with the camera mounting seat (2) at the bottom end, a cross-shaped mounting groove (201) penetrating from front to back is provided at the bottom end of the camera mounting seat (2), the T-shaped slider (3) is slidably connected in the cross-shaped mounting groove (201), the rear and front portions of the left and right sides of the camera mounting seat (2) are symmetrically provided with two circular clamping holes (202) and a strip clamping hole (203), and the front and rear portions of the left and right sides of the T-shaped slider (3) are symmetrically provided with two circular clamping holes (202) and a strip clamping hole (203). Four embedded grooves (301) are symmetrically provided, one end of a first spring (4) is fixedly connected to the bottom end of the embedded groove (301), the other end of the first spring (4) is fixedly connected to a limit pin (5), the limit pin (5) is axially slidably connected in the embedded groove (301), the two limit pins (5) at the rear are respectively matched with two circular clamping holes (202), the two limit pins (5) at the front are respectively matched with two strip clamping holes (203), the bottom end of the T-shaped slider (3) is fixedly connected to the lower end of the hanger assembly, and the upper end of the hanger assembly is detachably fixedly mounted on the top seat (23).

2. The smart campus examination room monitoring device according to claim 1 is characterized by: The camera mounting seat (2) is fixedly mounted on the bottom end of the camera (1) by means of a plurality of screws.

3. The smart campus examination room monitoring device according to claim 1 is characterized in that: The hanger assembly comprises: a bracket (6), a connecting shaft (8), a cross arm (9), a suspension rod (14) and a suspension seat (15), one end of the bracket (6) is fixedly connected to the bottom end of the T-shaped slider (3), the bracket (6) is hinged to one end of the cross arm (9) through the connecting shaft (8), a first adjustment assembly for driving the bracket (6) to rotate around the connecting shaft (8) is installed inside the cross arm (9), one end of the suspension rod (14) is fixedly connected to the top of the other end of the cross arm (9), the other end of the suspension rod (14) passes through and is rotationally connected to the suspension seat (15), a second adjustment assembly for driving the suspension rod (14) to rotate axially is arranged inside the suspension seat (15), and the suspension seat (15) is detachably fixedly installed at the bottom of the top seat (23).

4. The smart campus examination room monitoring device according to claim 3 is characterized by: The first adjustment component comprises: a driven gear (7), a driving gear (10), a gear shaft (11), a first servo motor (12) and a motor fixing frame (13); the driven gear (7) is fixedly connected to the middle part of the bracket (6) and is coaxial with the connecting shaft (8); the driving gear (10) meshes with the driven gear (7); a gear shaft (11) passes through and is fixedly connected to the middle part of the driving gear (10); the gear shaft (11) passes through and is rotatably connected to the front and rear ends of the cross arm (9); the gear shaft (11) is fixedly connected to the output end of the first servo motor (12) at the front end of the cross arm (9); and the first servo motor (12) is fixedly mounted on the outside of the cross arm (9) through the motor fixing frame (13).

5. The smart campus examination room monitoring device according to claim 3 is characterized by: The second adjustment component comprises: a driven bevel gear (16), a driving bevel gear (18) and a second servo motor (19); a mounting cavity is provided at the top of the suspension seat (15); the suspension rod (14) penetrates the suspension seat (15) from bottom to top and is rotatably connected; the top of the suspension rod (14) is fixedly connected with a driven bevel gear (16); the driven bevel gear (16) meshes with the driving bevel gear (18); the driving bevel gear (18) is fixedly connected to the output end of the second servo motor (19); and the second servo motor (19) is fixedly installed in the mounting cavity.

6. The smart campus examination room monitoring device according to claim 5 is characterized by: A bearing groove is provided in the middle of the bottom end of the installation cavity, and a bearing (17) is sleeved and fixed on the upper part of the suspension rod (14), and the bearing (17) is installed in the bearing groove.

7. The smart campus examination room monitoring device according to claim 3 is characterized by: Also includes: The hanger (15) comprises a card block (20), a positioning shaft (21) and a second spring (22), two vertical slide grooves (1501) are symmetrically provided on the front and rear sides of the outer wall of the hanger (15), the card block (20) is vertically slidably connected in the vertical slide groove (1501), the positioning shaft (21) is fixedly connected to the upper and lower ends of the vertical slide groove (1501), the card block (20) is provided with a sliding hole, the positioning shaft (21) slides through the sliding hole, and the positioning shaft (21) is provided with a sliding hole. The sleeve is provided with a second spring (22) with two ends respectively pressing and contacting the top wall of the vertical slide groove (1501) and the top surface of the clamping block (20); the top of the top seat (23) is rectangular and the bottom is annular; the outer wall of the hanging seat (15) is gap-matched with the inner wall of the bottom of the top seat (23); two centrally symmetrically arranged clamping holes (2301) are provided on the side wall of the bottom of the top seat (23); and the two clamping blocks (20) are respectively detachably clamped with the two clamping holes (2301).

8. The smart campus examination room monitoring device according to claim 7 is characterized by: The bayonet (2301) is composed of an entrance and exit at the bottom, a transverse channel in the middle, and a sunken slot connected in sequence. The horizontal height of the bottom end surface of the sunken slot is lower than the horizontal height of the bottom end surface of the transverse channel. The dimensions of the entrance and exit, the transverse channel, and the sunken slot are all matched with the dimensions of the card block (20).

9. The smart campus examination room monitoring device according to claim 4 is characterized by: Two arc-shaped recessed grooves (1502) are symmetrically provided on the left and right sides of the side wall of the hanging seat (15), and heat dissipation holes (1503) are provided on the arc-shaped recessed grooves (1502) and penetrate the inside and outside of the hanging seat (15).

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