CN109764233A - A kind of multi-media classroom anti-theft monitoring device - Google Patents
A kind of multi-media classroom anti-theft monitoring device Download PDFInfo
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- CN109764233A CN109764233A CN201910168881.0A CN201910168881A CN109764233A CN 109764233 A CN109764233 A CN 109764233A CN 201910168881 A CN201910168881 A CN 201910168881A CN 109764233 A CN109764233 A CN 109764233A
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- screw rod
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Abstract
The invention belongs to monitoring device technical field, specifically a kind of multi-media classroom anti-theft monitoring device, including fixing seat；First motor is set in fixing seat, and the output end of first motor is connected with rotating disc；Rotating disc is arranged in fixing seat by bearing；The second motor is equipped in rotating disc, and the output end of the second motor is connected with driving gear；Shaft is provided in rotating disc, and the end of shaft is connected with driven gear, driven gear is engaged with driving gear；Driven gear is respectively connected with rotary screw rod, and the end of rotary screw rod passes through rotating disc and slidably connects fixed station；It is socketed with multiple movable blocks on rotary screw rod, and offers tapped through hole on movable block, and rotary screw rod is connected through a screw thread with movable block, and monitoring probe is arranged on fixed station；The monitoring probe installed on fixed station can rotate monitoring while also can move up and down, and monitor convenient for carrying out multi-faceted detection to multi-media classroom.
Description
Technical field
The invention belongs to monitoring device technical field, specifically a kind of multi-media classroom anti-theft monitoring device.
Background technique
Multi-media classroom is popularized in the national schools of various levels and categories, and modern educational technology is in every subjects
It is just used widely in teaching, it has also become a kind of important means of teaching.Multi-media classroom is most set as modern generation teaching
It applies and undoubtedly builds the investment for having more great dynamics.But the construction of multi-media classroom is improved the quality of teaching in teaching means modernization
While to bringing safety problem on equipment management, equipment there is security risk.
Monitoring device is that most one of systems is applied in security system, the multi-media classroom being more suitble on the market now
Anti-theft monitoring device is suspended video communication equipment, and video monitoring is mainstream now.From earliest simulation monitoring to fire a few years ago
Hot digital supervision Network Video Surveillance in the ascendant till now again, has occurred earth-shaking variation.
But existing anti-theft monitoring device to space be monitored using it is monitoring to angle be unable to reach more preferably
Rotation, so that it cannot be preferably monitored, the problem of multi-media classroom will appear blind area or monitor dead angle, and then it is difficult to reality
Existing monitoring probe carries out the video monitoring operation of omnibearing stereo formula to multi-media classroom.
Summary of the invention
Insufficient in the prior art, a kind of multi-media classroom anti-theft monitoring device proposed by the present invention in order to make up, with solution
Certainly in the prior art anti-theft monitoring device to space be monitored using it is monitoring to angle be unable to reach more preferable rotation,
So that it cannot be preferably monitored, the problem of multi-media classroom will appear blind area or monitoring dead angle.
The technical solution adopted by the present invention to solve the technical problems is: a kind of multi-media classroom use of the present invention is anti-
Steal monitoring device, including fixing seat and induction module；The fixing seat bottom face is equipped with support column；Setting in the fixing seat
First motor, and the output end of first motor is connected with rotating disc；The rotating disc is rotatably arranged in fixing seat by bearing,
And rotating disc is hollow structure；The second motor is equipped in the rotating disc, and the output end of the second motor is connected with driving gear；
Shaft is provided in the rotating disc, and the end of shaft is connected with driven gear；The driven gear is provided with multiple and every
A driven gear is engaged with driving gear；The driven gear is respectively connected with rotary screw rod, and the end of rotary screw rod passes through
Rotating disc slidably connects fixed station；Multiple movable blocks are socketed on the rotary screw rod, and it is logical that screw thread is offered on movable block
Hole, and rotary screw rod is connected through a screw thread with movable block；Telescopic rod, and the top of telescopic rod are provided on each movable block
The bottom face of movable block is arranged in end, and the bottom end of telescopic rod is hinged on the upper surface of movable block；It is equipped in the fixed station
Cylinder is slided, and has rotary screw rod by sealing ring sliding plug in sliding cylinder；When fixed station moves up and down, rotary screw rod bottom end
It can be slided in sliding cylinder by sealing ring, prevent rotary screw rod from interference phenomenon occur；It slides simultaneously and passes through sealing ring in cylinder
The gas of extruding can be transported in collection chamber by gas-guide tube and be collected operation；The fixed station is hinged on by telescopic rod
The bottom face of Mobile base, and monitoring probe is set on fixed station；
When work, first motor work can drive turn disc, and the fixed station for connecting rotary screw rod is rotated,
Realize that rotation monitoring may be implemented in the monitoring probe being arranged on fixed station；The second motor is driven, the rotation of the second motor drives actively
Gear, driving gear engage the rotation of multiple driven gears, rotate rotary screw rod, and the multiple movable blocks being connected through a screw thread can be with
It is moved up and down in rotary screw rod, makes to move up and down by the hinged fixed station of telescopic rod, make to install on fixed station
Monitoring probe can rotate monitoring while also can move up and down, and supervise convenient for carrying out multi-faceted detection to multi-media classroom
Control.
Preferably, it is uniformly provided with sliding groove on the driven gear, and is provided in sliding groove and stirs tooth；It is described to stir
The bottom end of tooth is connected in sliding groove by spring；Collection chamber is equipped in the fixing seat, and the indoor gas of gas collection is by leading
Tracheae is connected in sliding groove；Infrared inductor is provided on the driven gear；It is set in the teeth of the driving gear
It is equipped with infrared inductor；When driving gear rotation, the infrared inductor rotation on driving gear is driven, it is red when rotation
Outside line inductor can realizes with the infrared inductor of the setting on driven gear to penetrating, the infrared induction on driving gear
To the control centre that feeds back information to after penetrating, control centre controls in collection chamber infrared inductor on device and driven gear
Gas be passed into sliding groove, can will in sliding groove stir tooth release sliding groove；Single driven gear may be implemented
When being rotated with the rotary screw rod of driving gear engaged transmission, the setting of driven gear bottom end, because movable block is cut with scissors by telescopic rod
It connects, and then movable block one end is moved up with rotary screw rod, other end run-off the straight makes the fixed station hinged by telescopic rod
Wallowing motion may be implemented in the monitoring probe of upper setting, further increases the monitoring area of monitoring probe, realizes monitoring probe energy
The three-dimensional detection of enough all-dimensional multi-angles.
Preferably, the rotary screw rod includes the first screw rod, the second screw rod, third screw rod；Spiral shell on first screw rod
Away from less than the screw pitch on the second screw rod, and the screw pitch on the second screw rod is less than the screw pitch on third screw rod；It is opened in the movable block
If tapped through hole screw pitch and the first screw rod, the second screw rod, third screw rod on the screw pitch that is arranged it is corresponding；It is set on rotary screw rod
The thread pitch set is sequentially increased from top to bottom, and when making to rotate on the second motor, speed when being driven by rotary screw rod is from upper
It being sequentially reduced under, the speed for increase movable block is sequentially reduced from top to bottom, make capable of slowly moving up and down for fixed station,
Keep monitoring probe more stable when moving, improves the clarity of the shooting of monitoring probe.
Preferably, the rotary screw rod is soft rubber material, and cavity is offered in rotary screw rod；In the telescopic rod
Gas is transported in cavity by gas-guide tube；The soft rubber material of rotary screw rod setting, when moving up and down one end of movable block,
The other end of movable block can make rotary screw rod bend, and improve the stability of the swing angle of fixed station；When telescopic rod is stretched
When contracting, in the cavity for being transported to rotary screw rod that gas in telescopic rod is continued gas by gas-guide tube, rotary screw rod is made to begin
Expansion is kept eventually, improves the intensity of rotary screw rod.
Preferably, the induction module is the one of which of infrared inductor or human body sensor, and induction module is set
It sets on the door or window in multi-media classroom；Monitoring probe is when working at night, when the induction module on door and window has sensed
When human body passes through, induction module passes the signal along to control centre, and control centre controls anti-theft monitoring device work, monitoring probe
The region for navigating to induction module induction can be captured automatically according to the source of signal, display mobile in a flash in monitoring probe
Screen is upper to be generated ghost image or obscure, at this moment monitoring personnel will focal attention time period image data, further improve
Anti-theft monitoring device comprehensive can be monitored operation.
Preferably, poke rod is provided on the fixed station, and the end of poke rod is arranged by Rotational Cylindrical in fixed station
It is interior；Torsional spring is socketed in the Rotational Cylindrical, and the end of Rotational Cylindrical is provided with the first runner；Pass through fixed column in the fixed station
It is provided with monitoring probe, and the end of fixed column is provided with the second runner；First runner is connected by belt and the second runner
It connects；When the second motor drives fixed station to move up, move upwards the poke rod on fixed station, with the shifting of poke rod
Dynamic, poke rod can be pressed down against by the bottom end of support column, make the Rotational Cylindrical rotation for stirring boom end, so make in Rotational Cylindrical the
The rotation of one runner, the first runner can drive the second runner to rotate by belt, make the monitoring probe of fixed column end to the bottom
It is dynamic；Realize that monitoring probe also can be realized the detection operation of multi-angle, further mention anti-theft monitoring device when fixed station is shunk
Monitoring effect；When fixed station moves down, poke rod is resetted by torsional spring, while monitoring probe being driven to be resetted.
Beneficial effects of the present invention are as follows:
1. the present invention is provided with infrared ray sense in the teeth of driving gear by the way that driving gear and multiple driven gears is arranged
Answer device；Infrared inductor when rotation can be realized with the infrared inductor of the setting on driven gear to penetrating, after penetrating
Feed back information to control centre, the tooth of stirring in control centre's control sliding groove releases sliding groove；And then list may be implemented
A driven gear and driving gear engaged transmission, the soft rubber material of rotary screw rod setting make to move down on one end of movable block
When dynamic, the other end of movable block can make rotary screw rod bend, because movable block hingedly, make by stretching by telescopic rod
Wallowing motion may be implemented in the monitoring probe being arranged on the hinged fixed station of contracting bar, further increases the monitoring face of monitoring probe
Product realizes that monitoring probe is capable of the three-dimensional detection of all-dimensional multi-angle.
2. the thread pitch being arranged on rotary screw rod of the present invention is sequentially increased from top to bottom, when making to rotate on the second motor,
Speed when being driven by rotary screw rod is sequentially reduced from top to bottom, and the speed for increase movable block is sequentially reduced from top to bottom,
Make capable of slowly moving up and down for fixed station, keep monitoring probe more stable when moving, improves the shooting of monitoring probe
Clarity.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings.
Fig. 1 is main view of the invention；
Fig. 2 is A-A cross-sectional view in Fig. 1；
Fig. 3 is the structural schematic diagram of driven gear.
In figure: fixing seat 1, support column 2, first motor 3, rotating disc 4, the second motor 5, driving gear 6, shaft 7, driven
Gear 8, rotary screw rod 9, the first screw rod 91, the second screw rod 92, third screw rod 93, cavity 94, fixed station 10, is slided sliding groove 81
Dynamic cylinder 101, telescopic rod 12, sealing ring 13, stirs tooth 14, collection chamber 15, poke rod 16,17, first turns of Rotational Cylindrical at movable block 11
Take turns 18, fixed column 19, the second runner 20.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
As shown in Figure 1 to Figure 3, a kind of multi-media classroom anti-theft monitoring device of the present invention, including 1 He of fixing seat
Induction module；1 bottom face of fixing seat is equipped with support column 2；First motor 3, and first motor are set in the fixing seat 1
3 output end is connected with rotating disc 4；The rotating disc 4 is rotatably arranged in fixing seat 1 by bearing, and rotating disc 4 is hollow
Structure；It is equipped with the second motor 5 in the rotating disc 4, and the output end of the second motor 5 is connected with driving gear 6；The rotating disc
Shaft 7 is provided in 4, and the end of shaft 7 is connected with driven gear 8；The driven gear 8 be provided with it is multiple, and each from
Moving gear 8 is engaged with driving gear 6；The driven gear 8 is respectively connected with rotary screw rod 9, and the end of rotary screw rod 9 passes through
Rotating disc 4 slidably connects fixed station 10；It is socketed with multiple movable blocks 11 on the rotary screw rod 9, and is opened up on movable block 11
There is tapped through hole, and rotary screw rod 9 is connected through a screw thread with movable block 11；Telescopic rod is provided on each movable block 11
12, and the bottom face of movable block 11 is arranged in the top of telescopic rod 12, and the bottom end of telescopic rod 12 is hinged on movable block 11
Upper surface；It is equipped with sliding cylinder 101 in the fixed station 10, and has rotation silk by 13 sliding plug of sealing ring in sliding cylinder 101
Bar 9；When fixed station 10 moves up and down, 9 bottom end of rotary screw rod can be slided by sealing ring 13 in sliding cylinder 101, be prevented
There is interference phenomenon in rotary screw rod 9；Being slided in cylinder 101 simultaneously can be conveyed by the gas that sealing ring 13 squeezes by gas-guide tube
Operation is collected in collection chamber 15；The fixed station 10 is hinged on the bottom face of Mobile base by telescopic rod 12, and fixed
Monitoring probe is set on platform 10；
When work, the work of first motor 3 can drive rotating disc 4 to rotate, and the fixed station 10 for connecting rotary screw rod 9 carries out
Rotation realizes that rotation monitoring may be implemented in the monitoring probe being arranged on fixed station 10；Drive the second motor 5, the rotation of the second motor 5
Driving gear 6 is driven, driving gear 6 engages multiple driven gears 8 and rotates, and rotates rotary screw rod 9, what is be connected through a screw thread is more
A movable block 11 can be moved up and down in rotary screw rod 9, realized and carried out up and down by the hinged fixed station 10 of telescopic rod 12
It is mobile, make the monitoring probe installed on fixed station 10 that can rotate monitoring while also can move up and down, convenient for multimedia
Classroom carries out multi-faceted detection monitoring.
As one embodiment of the present invention, sliding groove 81, and sliding groove 81 are uniformly provided on the driven gear 8
It is inside provided with and stirs tooth 14；The bottom end for stirring tooth 14 is connected in sliding groove 81 by spring；It is equipped in the fixing seat 1
Collection chamber 15, and the gas in collection chamber 15 is connected in sliding groove 81 by gas-guide tube；Being provided on the driven gear 8
Infrared inductor；Infrared inductor is provided in the teeth of the driving gear 6；When driving gear 6 rotates, master is driven
Infrared inductor rotation on moving gear 6, infrared inductor when rotation can be infrared with the setting on driven gear 8
Line inductor realizes to penetrating, after the infrared inductor on driving gear 6 and the infrared inductor on driven gear 8 are to penetrating
Control centre is fed back information to, the gas in control centre's control collection chamber 15 is passed into sliding groove 81, can will slide
Tooth 14 of stirring in slot 81 releases sliding groove 81；Single 6 engaged transmission of driven gear 8 and driving gear may be implemented, it is driven
When the rotary screw rod 9 of 8 bottom end of gear setting rotates, because movable block 11 is carried out hingedly by telescopic rod 12, and then movable block 11 1
End is moved up with rotary screw rod 9, and other end run-off the straight makes the prison by being arranged on the hinged fixed station 10 of telescopic rod 12
Wallowing motion may be implemented in control probe, further increases the monitoring area of monitoring probe, realizes that monitoring probe can be comprehensive more
The three-dimensional detection of angle.
As one embodiment of the present invention, the rotary screw rod 9 includes the first screw rod 91, the second screw rod 92, third
Screw rod 93；Screw pitch on first screw rod 91 is less than the screw pitch on the second screw rod 92, and the screw pitch on the second screw rod 92 is less than
Screw pitch on third screw rod 93；The screw pitch of the tapped through hole opened up in the movable block 11 and the first screw rod 91, the second screw rod 92,
The screw pitch being arranged on third screw rod 93 is corresponding；The thread pitch being arranged on rotary screw rod 9 is sequentially increased from top to bottom, makes second
When rotating on motor 5, speed when being driven by rotary screw rod 9 is sequentially reduced from top to bottom, the speed for increase movable block 11
It is sequentially reduced from top to bottom, makes capable of slowly moving up and down for fixed station 10, keep monitoring probe more stable when moving, mention
The clarity of the shooting of high monitoring probe.
As one embodiment of the present invention, the rotary screw rod 9 is soft rubber material, and is opened up in rotary screw rod 9
There is cavity 94；Gas in the telescopic rod 12 is transported in cavity 94 by gas-guide tube；The soft rubber material that rotary screw rod 9 is arranged
Matter, when moving up and down one end of movable block 11, the other end of movable block 11 can make rotary screw rod 9 bend, and improve solid
Determine the stability of the swing angle of platform 10；When telescopic rod 12 stretches, the gas in telescopic rod 12 is held gas by gas-guide tube
In the continuous cavity 94 for being transported to rotary screw rod 9, rotary screw rod 9 is made to remain expansion, improves the intensity of rotary screw rod 9.
As one embodiment of the present invention, the induction module be infrared inductor or human body sensor wherein
One kind, and induction module is arranged on the door or window in multi-media classroom；Monitoring probe is when working at night, when on door and window
When induction module has sensed that human body passes through, induction module passes the signal along to control centre, and control centre controls anti-thefting monitoring
Device work, monitoring probe can capture automatically the region for navigating to induction module induction according to the source of signal, in monitoring probe
It is mobile to generate ghost image or fuzzy in a flash, on display screen, at this moment monitoring personnel will focal attention time period image
Data, further improving anti-theft monitoring device comprehensive can be monitored operation.
As one embodiment of the present invention, poke rod 16, and the end of poke rod 16 are provided on the fixed station 10
Portion is arranged in fixed station 10 by Rotational Cylindrical 17；Torsional spring, and the end setting of Rotational Cylindrical 17 are socketed in the Rotational Cylindrical 17
There is the first runner 18；Monitoring probe is provided with by fixed column 19 in the fixed station 10, and the end of fixed column 19 is provided with
Second runner 20；First runner 18 is connect by belt with the second runner 20；When the second motor 5 drives fixed station 10 upward
When mobile, move upwards the poke rod 16 on fixed station 10, with the movement of poke rod 16, the bottom end of support column 2 can will be dialled
Lever 16 is pressed down against, and rotates the Rotational Cylindrical 17 of 16 end of poke rod, and then rotates the first runner 18 in Rotational Cylindrical 17,
First runner 18 can drive the second runner 20 to rotate by belt, make the monitoring probe of 19 end of fixed column to lower swing；It is real
Now when fixed station 10 is shunk, monitoring probe also can be realized the detection operation of multi-angle, further mention anti-theft monitoring device
Monitoring effect；When fixed station 10 moves down, poke rod 16 is resetted by torsional spring, while monitoring probe being driven to be resetted.
Specific workflow is as follows:
When work, the work of first motor 3 can drive rotating disc 4 to rotate, and the fixed station 10 for connecting rotary screw rod 9 carries out
Rotation realizes that rotation monitoring may be implemented in the monitoring probe being arranged on fixed station 10；Drive the second motor 5, the rotation of the second motor 5
Driving gear 6 is driven, driving gear 6 engages multiple driven gears 8 and rotates, and rotates rotary screw rod 9, what is be connected through a screw thread is more
A movable block 11 can be moved up and down in rotary screw rod 9, realized and carried out up and down by the hinged fixed station 10 of telescopic rod 12
It is mobile, make the monitoring probe installed on fixed station 10 that can rotate monitoring while also can move up and down, convenient for multimedia
Classroom carries out multi-faceted detection monitoring；
When needing to carry out multi-angle regulation to monitoring probe, infrared inductor is provided in the teeth of driving gear 6；
When driving gear 6 rotates, the infrared inductor rotation on driving gear 6 is driven, infrared inductor when rotation can be with
It realizes with the infrared inductor of the setting on driven gear 8 to penetrating, to the control centre that feeds back information to after penetrating, in control
Gas in heart control collection chamber 15 is passed into sliding groove 81, the tooth 14 of stirring in sliding groove 81 can be released sliding groove
81；It may be implemented 6 engaged transmission of single driven gear 8 and driving gear, 9 turns of rotary screw rod of the setting of 8 bottom end of driven gear
When dynamic, the soft rubber material that rotary screw rod 9 is arranged, when moving up and down one end of movable block 11, the other end energy of movable block 11
So that rotary screw rod 9 is bent, improves the stability of the swing angle of fixed station 10；Because movable block 11 by telescopic rod 12 into
Row is hinged, makes the monitoring probe by being arranged on the hinged fixed station 10 of telescopic rod 12 that wallowing motion may be implemented, and further increases
The monitoring area of big monitoring probe realizes that monitoring probe is capable of the three-dimensional detection of all-dimensional multi-angle.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (6)
1. a kind of multi-media classroom anti-theft monitoring device, it is characterised in that；Including fixing seat (1) and induction module；It is described solid
Reservation (1) bottom face is equipped with support column (2)；First motor (3) are set in the fixing seat (1), and first motor (3) is defeated
Outlet is connected with rotating disc (4)；The rotating disc (4) is rotatably arranged in fixing seat (1) by bearing, and rotating disc (4) is
Hollow structure；The second motor (5) are equipped in the rotating disc (4), and the output end of the second motor (5) is connected with driving gear
(6)；It is provided with shaft (7) in the rotating disc (4), and the end of shaft (7) is connected with driven gear (8)；The driven tooth
Wheel (8) is provided with multiple, and each driven gear (8) is engaged with driving gear (6)；The driven gear (8) is respectively connected with
Rotary screw rod (9), and the end of rotary screw rod (9) passes through rotating disc (4) and slidably connects fixed station (10)；The rotary screw rod
(9) it is socketed on multiple movable blocks (11), and offers tapped through hole on movable block (11), and rotary screw rod (9) and movement
Block (11) is connected through a screw thread；It is provided with telescopic rod (12) on each movable block (11), and the top of telescopic rod (12) is set
The bottom face in movable block (11) is set, and the bottom end of telescopic rod (12) is hinged on the upper surface of movable block (11)；The fixation
It is equipped with sliding cylinder (101) in platform (10), and there are rotary screw rod (9) by sealing ring (13) sliding plug in sliding cylinder (101)；Institute
It states fixed station (10) and is hinged on the bottom face of Mobile base by telescopic rod (12), and monitoring probe is set on fixed station (10).
2. a kind of multi-media classroom anti-theft monitoring device according to claim 1, it is characterised in that: the driven gear
(8) it is uniformly provided on sliding groove (81), and is provided in sliding groove (81) and stirs tooth (14)；The bottom end for stirring tooth (14)
It is connected in sliding groove (81) by spring；Collection chamber (15) are equipped in the fixing seat (1), and the gas in collection chamber (15)
It is connected in sliding groove (81) by gas-guide tube；Infrared inductor is provided on the driven gear (8)；The driving tooth
It takes turns and is provided with infrared inductor in the teeth of (6).
3. a kind of multi-media classroom anti-theft monitoring device according to claim 1, it is characterised in that: the rotary screw rod
It (9) include the first screw rod (91), the second screw rod (92), third screw rod (93)；Screw pitch on first screw rod (91) is less than
Screw pitch on two screw rods (92), and the screw pitch on the second screw rod (92) is less than the screw pitch on third screw rod (93)；The movable block
(11) spiral shell being arranged in the screw pitch of the tapped through hole opened up in and the first screw rod (91), the second screw rod (92), third screw rod (93)
Away from corresponding.
4. a kind of multi-media classroom anti-theft monitoring device according to claim 1, it is characterised in that: the rotary screw rod
It (9) is soft rubber material, and offer cavity (94) in rotary screw rod (9)；Gas in the telescopic rod (12) passes through air guide
Pipe is transported in cavity (94).
5. a kind of multi-media classroom anti-theft monitoring device according to claim 1, it is characterised in that: the induction module
For the one of which of infrared inductor or human body sensor, and door or window in multi-media classroom is arranged in induction module
On.
6. a kind of multi-media classroom anti-theft monitoring device according to claim 1, it is characterised in that: the fixed station
(10) it is provided on poke rod (16), and the end of poke rod (16) is arranged in fixed station (10) by Rotational Cylindrical (17)；Institute
It states and is socketed with torsional spring on Rotational Cylindrical (17), and the end of Rotational Cylindrical (17) is provided with the first runner (18)；The fixed station (10)
It is interior that monitoring probe is provided with by fixed column (19), and the end of fixed column (19) is provided with the second runner (20)；Described first
Runner (18) is connect by belt with the second runner (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910168881.0A CN109764233B (en) | 2019-03-06 | 2019-03-06 | Anti-theft monitoring device for multimedia classroom |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910168881.0A CN109764233B (en) | 2019-03-06 | 2019-03-06 | Anti-theft monitoring device for multimedia classroom |
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| Publication Number | Publication Date |
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| CN109764233A true CN109764233A (en) | 2019-05-17 |
| CN109764233B CN109764233B (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910168881.0A Active CN109764233B (en) | 2019-03-06 | 2019-03-06 | Anti-theft monitoring device for multimedia classroom |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112019712A (en) * | 2020-07-25 | 2020-12-01 | 无为县松林生态养殖有限公司 | Be applied to diversified controlgear for video monitoring in cowshed |
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| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112019712A (en) * | 2020-07-25 | 2020-12-01 | 无为县松林生态养殖有限公司 | Be applied to diversified controlgear for video monitoring in cowshed |
| 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 |
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| CN109764233B (en) | 2020-10-13 |
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