CN109764233B - Anti-theft monitoring device for multimedia classroom - Google Patents
Anti-theft monitoring device for multimedia classroom Download PDFInfo
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- CN109764233B CN109764233B CN201910168881.0A CN201910168881A CN109764233B CN 109764233 B CN109764233 B CN 109764233B CN 201910168881 A CN201910168881 A CN 201910168881A CN 109764233 B CN109764233 B CN 109764233B
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Abstract
The invention belongs to the technical field of monitoring devices, and particularly relates to an anti-theft monitoring device for a multimedia classroom, which comprises a fixed seat; a first motor is arranged in the fixed seat, and the output end of the first motor is connected with a rotating disc; the rotating disc is arranged in the fixed seat through a bearing; a second motor is arranged in the rotating disc, and the output end of the second motor is connected with a driving gear; a rotating shaft is arranged in the rotating disc, the end part of the rotating shaft is connected with a driven gear, and the driven gear is meshed with the driving gear; the driven gears are connected with rotating screw rods, and the end parts of the rotating screw rods penetrate through the rotating disc to be connected with a fixed table in a sliding manner; the rotating lead screw is sleeved with a plurality of moving blocks, threaded through holes are formed in the moving blocks, the rotating lead screw is connected with the moving blocks through threads, and the fixed platform is provided with a monitoring probe; the monitoring probe installed on the fixed table can rotate to monitor and can move up and down at the same time, so that the multi-directional detection and monitoring can be conveniently carried out on a multimedia classroom.
Description
Technical Field
The invention belongs to the technical field of monitoring devices, and particularly relates to an anti-theft monitoring device for a multimedia classroom.
Background
Multimedia classrooms have been popularized and popularized in various schools at all levels in the country, and modern teaching means are widely applied to teaching of various subjects, and become an important teaching means. The multimedia classroom as the most facility for modern teaching will undoubtedly have more intensive investment and construction. However, the construction of a multimedia classroom brings safety problems to equipment management while the teaching quality is improved by the modernization of teaching means, and equipment has potential safety hazards.
The monitoring device is one of the most applied systems in the security system, the more suitable multimedia classroom anti-theft monitoring device in the market is a suspension type video communication device, and video monitoring is the mainstream at present. From the earliest analog monitoring to the digital monitoring of the fire and heat in the previous years to the emerging network video monitoring, the change of the network coverage occurs.
However, the angle that can be monitored by the existing anti-theft monitoring device for monitoring the space cannot be rotated better, so that the space cannot be monitored better, and a dead zone or a dead angle can be generated in a multimedia classroom, so that the monitoring probe cannot perform omnibearing three-dimensional video monitoring operation on the multimedia classroom.
Disclosure of Invention
In order to make up for the defects in the prior art, the invention provides an anti-theft monitoring device for a multimedia classroom, which aims to solve the problems that the angle of the anti-theft monitoring device for monitoring the space in the prior art can not be rotated better so that the anti-theft monitoring device cannot monitor the space better, and a blind area or a monitoring dead angle can occur in the multimedia classroom.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an anti-theft monitoring device for a multimedia classroom, which comprises a fixed seat and an induction module, wherein the fixed seat is provided with a first fixing hole; a support column is arranged on the bottom end face of the fixed seat; a first motor is arranged in the fixed seat, and the output end of the first motor is connected with a rotating disc; the rotating disc is rotatably arranged in the fixed seat through a bearing and is of a hollow structure; a second motor is arranged in the rotating disc, and the output end of the second motor is connected with a driving gear; a rotating shaft is arranged in the rotating disc, and the end part of the rotating shaft is connected with a driven gear; the driven gears are provided in plurality, and each driven gear is meshed with the driving gear; the driven gears are connected with rotating screw rods, and the end parts of the rotating screw rods penetrate through the rotating disc to be connected with a fixed table in a sliding manner; the rotating lead screw is sleeved with a plurality of moving blocks, threaded through holes are formed in the moving blocks, and the rotating lead screw is connected with the moving blocks through threads; each moving block is provided with a telescopic rod, the top end of each telescopic rod is arranged on the bottom end surface of each moving block, and the bottom end of each telescopic rod is hinged to the upper end surface of each moving block; a sliding cylinder is arranged in the fixed table, and a rotating screw rod is inserted in the sliding cylinder in a sliding mode through a sealing ring; when the fixed table moves up and down, the bottom end of the rotating screw rod can slide in the sliding cylinder through the sealing ring, so that the interference phenomenon of the rotating screw rod is prevented; meanwhile, the gas extruded by the sealing ring in the sliding cylinder can be conveyed into the gas collection chamber through the gas guide pipe to be collected; the fixed platform is hinged to the bottom end face of the movable seat through a telescopic rod, and a monitoring probe is arranged on the fixed platform;
when the monitoring device works, the first motor works to drive the rotating disc to rotate, so that the fixed platform connected with the rotating screw rod rotates, and the monitoring probe arranged on the fixed platform can realize rotating monitoring; the second motor is driven, the second motor rotates to drive the driving gear, the driving gear is meshed with a plurality of driven gears to rotate, the rotating lead screw is rotated, a plurality of moving blocks connected through threads can move up and down in the rotating lead screw, the fixing table hinged through the telescopic rod is made to move up and down, the monitoring probe installed on the fixing table can rotate to monitor and can also move up and down simultaneously, and multi-directional detection monitoring is facilitated for a multimedia classroom.
Preferably, the driven gear is uniformly provided with sliding grooves, and the sliding grooves are internally provided with shifting teeth; the bottom end of the poking tooth is connected in the sliding groove through a spring; a gas collection chamber is arranged in the fixed seat, and gas in the gas collection chamber is connected in the sliding groove through a gas guide pipe; an infrared inductor is arranged on the driven gear; an infrared inductor is arranged on the teeth of the driving gear; when the driving gear rotates, the infrared sensor on the driving gear is driven to rotate, the infrared sensor during rotation can be in correlation with the infrared sensor arranged on the driven gear, the infrared sensor on the driving gear and the infrared sensor on the driven gear are in correlation and then feed back information to the control center, and the control center controls the gas in the gas collection chamber to be introduced into the sliding groove and can push the toggle teeth in the sliding groove out of the sliding groove; can realize solitary driven gear and driving gear meshing transmission, when the rotation lead screw that driven gear bottom set up rotated, articulated through the telescopic link because of the movable block, and then movable block one end is along with rotating the lead screw rebound, the other end takes place to incline, makes the monitor that sets up on the articulated fixed station of telescopic link can realize the slope swing, further increases monitor's control area, realizes that monitor can the three-dimensional detection of all-round multi-angle.
Preferably, the rotating screw rod comprises a first screw rod, a second screw rod and a third screw rod; the screw pitch on the first screw rod is smaller than that on the second screw rod, and the screw pitch on the second screw rod is smaller than that on the third screw rod; the screw pitch of the threaded through hole formed in the moving block corresponds to the screw pitch of the first screw rod, the second screw rod and the third screw rod; the screw thread pitch that sets up on the rotation lead screw increases from the top down in proper order, when making the second motor go up to rotate, and the speed from the top down when rotating the lead screw transmission reduces in proper order, makes the speed from the top down that the movable block rises reduce in proper order, makes reciprocating that can be slow of fixed station, makes monitor more stable when removing, improves the definition of monitor's shooting.
Preferably, the rotating screw rod is made of soft rubber, and a cavity is formed in the rotating screw rod; the air in the telescopic rod is conveyed into the cavity through the air duct; the soft rubber material arranged on the rotary screw rod enables one end of the movable block to move up and down, and the other end of the movable block can enable the rotary screw rod to bend, so that the stability of the swing angle of the fixed table is improved; when the telescopic link is flexible, the gaseous cavity of rotating the lead screw is carried in with gaseous continuation through the air duct to the gas in the telescopic link, makes to rotate the lead screw and keeps the inflation all the time, improves the intensity that rotates the lead screw.
Preferably, the sensing module is one of an infrared sensor or a human body sensor, and the sensing module is arranged on a door or a window in the multimedia classroom; monitor is at the during operation at night, when sensing module on door and window sensed the human body and passed, sensing module transmits the signal to control center, control center control anti-theft monitoring device work, monitor can catch the region of fixing a position the sensing module response according to the source of signal is automatic, in a twinkling of an eye that monitor moved, can produce ghost image or fuzziness on the display screen, at this moment monitor personnel will concentrate the image data of this time quantum of noticing, further improved anti-theft monitoring device and can all-roundly monitor the operation.
Preferably, the fixed table is provided with a poke rod, and the end part of the poke rod is arranged in the fixed table through a rotating column; the rotating column is sleeved with a torsion spring, and the end part of the rotating column is provided with a first rotating wheel; a monitoring probe is arranged in the fixed table through a fixed column, and a second rotating wheel is arranged at the end part of the fixed column; the first rotating wheel is connected with the second rotating wheel through a belt; when the second motor drives the fixed table to move upwards, the poke rod on the fixed table moves upwards, along with the movement of the poke rod, the bottom end of the support column extrudes the poke rod downwards, the rotating column at the end part of the poke rod rotates, and then the first rotating wheel on the rotating column rotates, and the first rotating wheel can drive the second rotating wheel to rotate through the belt, so that the monitoring probe at the end part of the fixed column swings downwards; when the fixed table is contracted, the monitoring probe can also realize multi-angle detection operation, and the monitoring effect of the anti-theft monitoring device is further improved; when the fixed station moves downwards, the poke rod resets through the torsional spring and drives the monitoring probe to reset at the same time.
The invention has the following beneficial effects:
1. according to the invention, the infrared sensor is arranged on the teeth of the driving gear by arranging the driving gear and the plurality of driven gears; the infrared inductor can realize correlation with the infrared inductor arranged on the driven gear during rotation, information is fed back to the control center after correlation, and the control center controls the toggle teeth in the sliding grooves to push out of the sliding grooves; and then can realize single driven gear and driving gear meshing transmission, rotate the soft rubber material that the lead screw set up, when making the one end of movable block reciprocate, the other end of movable block can make the lead screw that rotates take place the bending, because of the movable block passes through the telescopic link and articulates, makes the monitor that sets up on the articulated fixed station of telescopic link can realize the slope swing, further increases monitor's monitoring area, realizes that monitor can the three-dimensional detection of all-round multi-angle.
2. The thread pitch of the thread arranged on the rotary screw rod is increased from top to bottom in sequence, so that the speed of the second motor is reduced from top to bottom in sequence when the second motor rotates, the ascending speed of the moving block is reduced from top to bottom in sequence, the fixed table can slowly move up and down, the monitoring probe is more stable when moving, and the shooting definition of the monitoring probe is improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
fig. 3 is a schematic view of the structure of the driven gear.
In the figure: the device comprises a fixed seat 1, a support column 2, a first motor 3, a rotating disc 4, a second motor 5, a driving gear 6, a rotating shaft 7, a driven gear 8, a sliding groove 81, a rotating lead screw 9, a first lead screw 91, a second lead screw 92, a third lead screw 93, a cavity 94, a fixed platform 10, a sliding cylinder 101, a moving block 11, a telescopic rod 12, a sealing ring 13, a poking tooth 14, a gas collection chamber 15, a poking rod 16, a rotating column 17, a first rotating wheel 18, a fixed column 19 and a second rotating wheel 20.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 3, the anti-theft monitoring device for multimedia classroom of the present invention includes a fixing base 1 and a sensing module; a support column 2 is arranged on the bottom end surface of the fixed seat 1; a first motor 3 is arranged in the fixed seat 1, and the output end of the first motor 3 is connected with a rotating disc 4; the rotating disc 4 is rotatably arranged in the fixed seat 1 through a bearing, and the rotating disc 4 is of a hollow structure; a second motor 5 is arranged in the rotating disc 4, and the output end of the second motor 5 is connected with a driving gear 6; a rotating shaft 7 is arranged in the rotating disc 4, and the end part of the rotating shaft 7 is connected with a driven gear 8; a plurality of driven gears 8 are arranged, and each driven gear 8 is meshed with the driving gear 6; the driven gears 8 are connected with rotating screw rods 9, and the end parts of the rotating screw rods 9 penetrate through the rotating disc 4 and are connected with a fixed table 10 in a sliding mode; a plurality of moving blocks 11 are sleeved on the rotating lead screw 9, threaded through holes are formed in the moving blocks 11, and the rotating lead screw 9 is in threaded connection with the moving blocks 11; each moving block 11 is provided with a telescopic rod 12, the top end of each telescopic rod 12 is arranged on the bottom end surface of each moving block 11, and the bottom end of each telescopic rod 12 is hinged to the upper end surface of each moving block 11; a sliding cylinder 101 is arranged in the fixed table 10, and a rotary screw rod 9 is inserted in the sliding cylinder 101 in a sliding mode through a sealing ring 13; when the fixed station 10 moves up and down, the bottom end of the rotary screw rod 9 can slide in the sliding cylinder 101 through the sealing ring 13, so that the interference phenomenon of the rotary screw rod 9 is prevented; meanwhile, the gas in the sliding cylinder 101 extruded by the sealing ring 13 can be conveyed into the gas collection chamber 15 through a gas guide pipe for collection; the fixed platform 10 is hinged to the bottom end face of the movable seat through a telescopic rod 12, and a monitoring probe is arranged on the fixed platform 10;
when the monitoring device works, the first motor 3 can drive the rotating disc 4 to rotate, so that the fixed table 10 connected with the rotating screw rod 9 rotates, and the monitoring probe arranged on the fixed table 10 can realize rotation monitoring; drive second motor 5, second motor 5 rotates and drives driving gear 6, a plurality of driven gear 8 of driving gear 6 meshing rotate, make and rotate lead screw 9 and rotate, a plurality of movable blocks 11 through threaded connection can reciprocate rotating lead screw 9, realize reciprocating through telescopic link 12 articulated fixed station 10, the monitor that makes installation on the fixed station 10 can rotate the control and also can reciprocate simultaneously, be convenient for carry out diversified detection control to the multimedia classroom.
As an embodiment of the present invention, sliding grooves 81 are uniformly formed on the driven gear 8, and the sliding grooves 81 are internally provided with the dial teeth 14; the bottom end of the poking tooth 14 is connected in the sliding groove 81 through a spring; an air collecting chamber 15 is arranged in the fixed seat 1, and air in the air collecting chamber 15 is connected to the sliding groove 81 through an air guide pipe; an infrared inductor is arranged on the driven gear 8; an infrared sensor is arranged on the teeth of the driving gear 6; when the driving gear 6 rotates, the infrared sensor on the driving gear 6 is driven to rotate, the infrared sensor during rotation can be in correlation with the infrared sensor arranged on the driven gear 8, the infrared sensor on the driving gear 6 and the infrared sensor on the driven gear 8 feed back information to the control center after correlation, the control center controls the gas in the gas collection chamber 15 to be introduced into the sliding groove 81, and the poking teeth 14 in the sliding groove 81 can be pushed out of the sliding groove 81; can realize solitary driven gear 8 and the transmission of driving gear 6 meshing, when the rotation lead screw 9 that 8 bottoms of driven gear set up rotated, it was articulated through telescopic link 12 because of movable block 11, and then movable block 11 one end upwards moves along with rotating lead screw 9, the other end inclines, the messenger can realize the slope swing through the monitor that sets up on the 12 articulated fixed stations 10 of telescopic link, further increase monitor's control area, realize the three-dimensional detection that monitor can all-round multi-angle.
As an embodiment of the present invention, the rotary screw 9 includes a first screw 91, a second screw 92, and a third screw 93; the thread pitch on the first screw rod 91 is smaller than that on the second screw rod 92, and the thread pitch on the second screw rod 92 is smaller than that on the third screw rod 93; the thread pitch of the threaded through hole formed in the moving block 11 corresponds to the thread pitch of the first lead screw 91, the second lead screw 92 and the third lead screw 93; the thread pitch that sets up on the rotation lead screw 9 increases from the top down in proper order, when making the second motor 5 go up to rotate, through the speed from the top down that rotates lead screw 9 transmission time reduce in proper order, makes the speed from the top down that movable block 11 rises reduce in proper order, makes reciprocating of fixed station 10 that can slow, makes monitor more stable when removing, improves monitor's the definition of shooting.
As an embodiment of the present invention, the rotary screw 9 is made of soft rubber, and a cavity 94 is formed in the rotary screw 9; the air in the telescopic rod 12 is conveyed into the cavity 94 through an air guide pipe; the soft rubber material arranged on the rotary screw rod 9 enables one end of the movable block 11 to move up and down, and the other end of the movable block 11 can enable the rotary screw rod 9 to bend, so that the stability of the swing angle of the fixed table 10 is improved; when the telescopic rod 12 stretches, the gas in the telescopic rod 12 is continuously conveyed into the cavity 94 of the rotary screw rod 9 through the gas guide tube, so that the rotary screw rod 9 always keeps expanding, and the strength of the rotary screw rod 9 is improved.
As an embodiment of the present invention, the sensing module is one of an infrared sensor or a human body sensor, and the sensing module is disposed on a door or a window in the multimedia classroom; monitor is at the during operation at night, when sensing module on door and window sensed the human body and passed, sensing module transmits the signal to control center, control center control anti-theft monitoring device work, monitor can catch the region of fixing a position the sensing module response according to the source of signal is automatic, in a twinkling of an eye that monitor moved, can produce ghost image or fuzziness on the display screen, at this moment monitor personnel will concentrate the image data of this time quantum of noticing, further improved anti-theft monitoring device and can all-roundly monitor the operation.
As an embodiment of the present invention, a poke rod 16 is arranged on the fixed table 10, and an end of the poke rod 16 is arranged in the fixed table 10 through a rotating column 17; a torsion spring is sleeved on the rotating column 17, and a first rotating wheel 18 is arranged at the end part of the rotating column 17; a monitoring probe is arranged in the fixed platform 10 through a fixed column 19, and a second rotating wheel 20 is arranged at the end part of the fixed column 19; the first rotating wheel 18 is connected with a second rotating wheel 20 through a belt; when the second motor 5 drives the fixed platform 10 to move upwards, the poke rod 16 on the fixed platform 10 moves upwards, along with the movement of the poke rod 16, the bottom end of the support column 2 can extrude the poke rod 16 downwards, so that the rotating column 17 at the end part of the poke rod 16 rotates, and further the first rotating wheel 18 on the rotating column 17 rotates, and the first rotating wheel 18 can drive the second rotating wheel 20 to rotate through a belt, so that the monitoring probe at the end part of the fixed column 19 swings downwards; when the fixed station 10 is contracted, the monitoring probe can also realize multi-angle detection operation, and the monitoring effect of the anti-theft monitoring device is further improved; when the fixed table 10 moves downwards, the poke rod 16 is reset through the torsion spring, and simultaneously drives the monitoring probe to reset.
The specific working process is as follows:
when the monitoring device works, the first motor 3 can drive the rotating disc 4 to rotate, so that the fixed table 10 connected with the rotating screw rod 9 rotates, and the monitoring probe arranged on the fixed table 10 can realize rotation monitoring; the second motor 5 is driven, the second motor 5 rotates to drive the driving gear 6, the driving gear 6 is meshed with the driven gears 8 to rotate, the rotating screw rod 9 is made to rotate, the moving blocks 11 which are in threaded connection can move up and down on the rotating screw rod 9, the fixed platform 10 which is hinged through the telescopic rod 12 can move up and down, the monitoring probe which is installed on the fixed platform 10 can rotate to monitor and can also move up and down at the same time, and multi-directional detection and monitoring can be conveniently carried out on a multimedia classroom;
when the monitoring probe needs to be adjusted in multiple angles, an infrared sensor is arranged on the teeth of the driving gear 6; when the driving gear 6 rotates, the infrared sensor on the driving gear 6 is driven to rotate, the infrared sensor during rotation can realize correlation with the infrared sensor arranged on the driven gear 8, information is fed back to the control center after correlation, the control center controls the gas in the gas collection chamber 15 to be introduced into the sliding groove 81, and the poking teeth 14 in the sliding groove 81 can be pushed out of the sliding groove 81; the single driven gear 8 and the driving gear 6 can be in meshed transmission, when the rotary lead screw 9 arranged at the bottom end of the driven gear 8 rotates, the soft rubber material arranged on the rotary lead screw 9 enables one end of the movable block 11 to move up and down, the other end of the movable block 11 enables the rotary lead screw 9 to bend, and the stability of the swing angle of the fixed table 10 is improved; because the movable block 11 is articulated through the telescopic link 12, the monitor probe arranged on the fixed station 10 articulated through the telescopic link 12 can realize inclined swing, the monitoring area of the monitor probe is further increased, and the monitor probe can realize three-dimensional detection in all directions and at multiple angles.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. An anti-theft monitoring device for a multimedia classroom is characterized in that; comprises a fixed seat (1) and an induction module; a support column (2) is arranged on the bottom end surface of the fixed seat (1); a first motor (3) is arranged in the fixed seat (1), and the output end of the first motor (3) is connected with a rotating disc (4); the rotating disc (4) is rotatably arranged in the fixed seat (1) through a bearing, and the rotating disc (4) is of a hollow structure; a second motor (5) is arranged in the rotating disc (4), and the output end of the second motor (5) is connected with a driving gear (6); a rotating shaft (7) is arranged in the rotating disc (4), and the end part of the rotating shaft (7) is connected with a driven gear (8); the number of the driven gears (8) is multiple, and each driven gear (8) is meshed with the driving gear (6); the driven gears (8) are connected with rotary screw rods (9), and the end parts of the rotary screw rods (9) penetrate through the rotary disc (4) and are connected with a fixed table (10) in a sliding manner; a plurality of moving blocks (11) are sleeved on the rotating lead screw (9), threaded through holes are formed in the moving blocks (11), and the rotating lead screw (9) is connected with the moving blocks (11) through threads; each moving block (11) is provided with a telescopic rod (12), the top end of each telescopic rod (12) is arranged on the bottom end face of each moving block (11), and the bottom end of each telescopic rod (12) is hinged to the upper end face of each moving block (11); a sliding cylinder (101) is arranged in the fixed table (10), and a rotary screw rod (9) is inserted in the sliding cylinder (101) in a sliding mode through a sealing ring (13); the fixed platform (10) is hinged to the bottom end face of the movable seat through a telescopic rod (12), and a monitoring probe is arranged on the fixed platform (10);
sliding grooves (81) are uniformly formed in the driven gear (8), and poking teeth (14) are arranged in the sliding grooves (81); the bottom end of the poking tooth (14) is connected in the sliding groove (81) through a spring; an air collecting chamber (15) is arranged in the fixed seat (1), and air in the air collecting chamber (15) is connected into the sliding groove (81) through an air guide pipe; an infrared inductor is arranged on the driven gear (8); the teeth of the driving gear (6) are provided with infrared sensors;
the rotary screw rod (9) is made of soft rubber, and a cavity (94) is formed in the rotary screw rod (9); the air in the telescopic rod (12) is conveyed into the cavity (94) through the air guide pipe;
the sensing module is one of an infrared sensor or a human body sensor, and is arranged on a door or a window in the multimedia classroom.
2. The antitheft monitoring device for a multimedia classroom as described in claim 1, wherein: the rotary screw rod (9) comprises a first screw rod (91), a second screw rod (92) and a third screw rod (93); the screw pitch on the first screw rod (91) is smaller than that on the second screw rod (92), and the screw pitch on the second screw rod (92) is smaller than that on the third screw rod (93); the thread pitch of the threaded through hole formed in the moving block (11) corresponds to the thread pitch of the first screw rod (91), the second screw rod (92) and the third screw rod (93).
3. The antitheft monitoring device for a multimedia classroom as described in claim 1, wherein: a poke rod (16) is arranged on the fixed table (10), and the end part of the poke rod (16) is arranged in the fixed table (10) through a rotating column (17); a torsion spring is sleeved on the rotating column (17), and a first rotating wheel (18) is arranged at the end part of the rotating column (17); a monitoring probe is arranged in the fixed table (10) through a fixed column (19), and a second rotating wheel (20) is arranged at the end part of the fixed column (19); the first rotating wheel (18) is connected with the second rotating wheel (20) through a belt.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910168881.0A CN109764233B (en) | 2019-03-06 | 2019-03-06 | Anti-theft monitoring device for multimedia classroom |
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| CN201910168881.0A CN109764233B (en) | 2019-03-06 | 2019-03-06 | Anti-theft monitoring device for multimedia classroom |
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| CN109764233A CN109764233A (en) | 2019-05-17 |
| CN109764233B true CN109764233B (en) | 2020-10-13 |
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| CN112019712B (en) * | 2020-07-25 | 2021-12-03 | 无为县松林生态养殖有限公司 | Be applied to diversified controlgear for video monitoring in cowshed |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107888814A (en) * | 2017-12-18 | 2018-04-06 | 南京埃塔斯智能科技有限公司 | A kind of security monitoring camera with cleaning function based on Internet of Things |
| CN207569475U (en) * | 2017-10-26 | 2018-07-03 | 中鸿艺脉（天津）科技有限公司 | A kind of computer software research and development training device |
| CN108443689A (en) * | 2018-05-08 | 2018-08-24 | 郑州天点科技有限公司 | A kind of novel projector flap seat |
| CN208315123U (en) * | 2018-06-14 | 2019-01-01 | 邵阳职业技术学院 | A kind of language teaching teaching notes displaying device |
| CN208381699U (en) * | 2018-06-25 | 2019-01-15 | 河北金雅达科技有限公司 | A kind of visualization angle controller of video conference |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101729484B1 (en) * | 2017-01-24 | 2017-04-24 | 주식회사 탑시스템 | A position control apparatus for a television receiver |
| US10465840B2 (en) * | 2017-03-22 | 2019-11-05 | Gopro, Inc. | Calibration for image stabilization mechanism |
-
2019
- 2019-03-06 CN CN201910168881.0A patent/CN109764233B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207569475U (en) * | 2017-10-26 | 2018-07-03 | 中鸿艺脉（天津）科技有限公司 | A kind of computer software research and development training device |
| CN107888814A (en) * | 2017-12-18 | 2018-04-06 | 南京埃塔斯智能科技有限公司 | A kind of security monitoring camera with cleaning function based on Internet of Things |
| CN108443689A (en) * | 2018-05-08 | 2018-08-24 | 郑州天点科技有限公司 | A kind of novel projector flap seat |
| CN208315123U (en) * | 2018-06-14 | 2019-01-01 | 邵阳职业技术学院 | A kind of language teaching teaching notes displaying device |
| CN208381699U (en) * | 2018-06-25 | 2019-01-15 | 河北金雅达科技有限公司 | A kind of visualization angle controller of video conference |
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