CN209909447U - Classroom monitoring device for modern education - Google Patents
Classroom monitoring device for modern education Download PDFInfo
- Publication number
- CN209909447U CN209909447U CN201920800739.9U CN201920800739U CN209909447U CN 209909447 U CN209909447 U CN 209909447U CN 201920800739 U CN201920800739 U CN 201920800739U CN 209909447 U CN209909447 U CN 209909447U
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- Prior art keywords
- supporting arm
- monitoring
- monitoring head
- classroom
- monitoring device
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Abstract
The utility model discloses a classroom monitoring device for modern education, a fixed seat is fixed on the classroom wall through a fixing bolt, the upper part of the fixed seat is fixedly provided with a support plate, the support plate is provided with a support arm, the support arm is connected with a monitoring device, the support arm comprises an upper support arm, a lower support arm and a rotating device, the upper support arm is fixedly arranged at the bottom of the support plate, the monitoring device is provided with the lower support arm, the upper support arm is connected with the lower support arm through the rotating device, the rotating device comprises a first motor, a bracket is arranged between the upper support arm and the lower support arm, one end of the bracket is fixedly arranged on the upper support arm, the other end of the bracket is rotatably arranged on the lower support arm, the upper support arm is fixedly provided with the first motor, the output end of the first motor is provided with a gear, the lower support arm is provided with a gear, the teacher can conveniently observe the classroom in all directions without dead angles.
Description
Technical Field
The utility model relates to a classroom monitoring device technical field specifically is a classroom monitoring device for modern education.
Background
The monitoring camera is a semiconductor imaging device and has the advantages of high sensitivity, strong light resistance, small distortion, small volume, long service life, vibration resistance and the like. In a security system of a monitoring camera, the generation of images is mainly from a CCD camera at present, and the stored charges can be taken out to change the voltage, so that the security system has the characteristics of vibration and impact resistance and is widely used. At present, surveillance camera head has been used for each aspect of social life, and traditional school is only with monitoring device prevents that the phenomenon of stealing sets up, therefore most all is immovable, has the problem of being not convenient for adjust, and the scope that causes the control is limited, can not make things convenient for mr not in the classroom, observes in real time to the condition in classroom, for this reason the utility model provides a classroom monitoring device is used for solving above-mentioned problem for modern education.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a classroom monitoring device for modern education to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a classroom monitoring device for modern education comprises a fixed seat, wherein the fixed seat is fixed on a classroom wall through a fixing bolt, a supporting plate is fixedly arranged at the upper part of the fixed seat, a supporting arm is arranged on the supporting plate and is connected with a monitoring device, the supporting arm comprises an upper supporting arm, a lower supporting arm and a rotating device, the upper supporting arm is fixedly arranged at the bottom of the supporting plate, a lower supporting arm is arranged on the monitoring device, the upper supporting arm and the lower supporting arm are connected through the rotating device, the rotating device comprises a first motor, a support, a gear strip and a gear, the support is arranged between the upper supporting arm and the lower supporting arm, one end of the support is fixedly arranged on the upper supporting arm, the other end of the support is rotatably arranged on the lower supporting arm, the upper supporting arm is fixedly provided with a first motor, the output end of the first motor is provided with a gear, and a gear rack matched with the gear is arranged on the lower supporting arm.
The end of the support is provided with a limiting ring, the lower support arm is provided with a ring groove matched with the limiting ring, and the limiting ring is rotatably arranged in the ring groove.
The monitoring device comprises a fixed shaft, a dust prevention box, a monitoring head, a pressing device and an extrusion device, wherein the dust prevention box is fixedly arranged at the bottom end of the lower supporting arm, the monitoring head is arranged in the dust prevention box, the monitoring head and the dust prevention box are rotatably connected through the fixed shaft, the fixed shaft is arranged in the middle of the monitoring head, the pressing device is arranged on the upper portion of the dust prevention box, the pressing device is arranged on the monitoring head, and the extrusion device matched with the pressing device is arranged on the lower portion of the monitoring head.
The pressing device comprises a second motor and an eccentric wheel, the second motor is arranged in the dust-proof box, the eccentric wheel is arranged at the output end of the second motor, and the eccentric wheel is arranged at the front end of the monitoring head.
The extrusion device comprises an extrusion column, a fixing nut and a spring, wherein the extrusion column is arranged at the bottom of the monitoring head, the end part of the extrusion column penetrates through the dust-proof box and is connected with the dust-proof box through the fixing nut, the spring is sleeved on the extrusion column, and the spring is arranged between the monitoring head and the dust-proof box.
The monitoring head is provided with a positioning block, and the positioning block is provided with a groove matched with the eccentric wheel.
The embodiment of the utility model provides a classroom monitoring device for modern education. The method has the following beneficial effects:
when the left and right angles of the monitoring head need to be adjusted, the first motor drives the gear to rotate, then the gear drives the gear rack to rotate, so that the lower support arm drives the monitoring head to rotate left and right, and the arrangement of the limiting ring and the limiting groove is matched, so that the lower supporting arm can conveniently rotate while the bracket on the upper supporting arm can connect the lower supporting arm, when the up-down angle of the monitoring head needs to be adjusted, the eccentric wheel is driven to rotate by the second motor, the monitoring head can be adjusted up and down by the characteristics of the eccentric wheel, and the arrangement of the extrusion column and the spring ensures that the monitoring head has upward extrusion force and is tightly attached to the eccentric wheel all the time, the arrangement is convenient for adjusting the monitoring head up and down and left and right, therefore, the teacher can conveniently observe the classroom in an all-around dead angle-free mode, and students can be conveniently managed and observed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;
fig. 3 is a schematic structural diagram of the monitoring device of the present invention.
In the figure: the device comprises a fixed seat 1, a supporting plate 2, an upper supporting arm 3, a lower supporting arm 4, a pressing device 5, a second motor 51, an eccentric wheel 52, a fixed shaft 6, a dust-proof box 7, an extrusion device 8, an extrusion column 81, a fixed nut 82, a spring 83, a first motor 9, a support 10, a rack 11, a gear 12, a limiting ring 13, a monitoring head 14 and a positioning block 15.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a classroom monitoring device for modern education comprises a fixed seat 1, the fixed seat 1 is fixed on the wall of a classroom through a fixing bolt, the upper part of the fixed seat 1 is fixedly provided with a supporting plate 2, the supporting plate 2 is provided with a supporting arm, the supporting arm is connected with a monitoring device, the supporting arm comprises an upper supporting arm 3, a lower supporting arm 4 and a rotating device, the upper supporting arm 3 is fixedly arranged at the bottom of the supporting plate 2, the monitoring device is provided with the lower supporting arm 4, the upper supporting arm 3 is connected with the lower supporting arm 4 through the rotating device, the rotating device comprises a first motor 9, a support 10, a gear strip 11 and a gear 12, a support 10 is arranged between the upper supporting arm 3 and the lower supporting arm 4, one end of the support 10 is fixedly arranged on the upper supporting arm 3, the other end of the support 10 is rotatably arranged on the lower supporting arm 4, the upper supporting arm 3 is fixedly provided with the, the lower supporting arm 4 is provided with a gear rack 11 matched with a gear 12.
Furthermore, a limit ring 13 is arranged at the end part of the support 10, an annular groove matched with the limit ring 13 is formed in the lower support arm 4, the limit ring 13 is rotatably arranged in the annular groove, and the lower support arm 4 can conveniently rotate through the arrangement of the limit ring 13 matched with the annular groove;
further, the monitoring device comprises a fixed shaft 6, a dust box 7, a monitoring head 14, a pressing device 5 and an extrusion device 8, the bottom end of the lower support arm 4 is fixedly provided with the dust box 7, the monitoring head 14 is arranged in the dust box 7, the monitoring head 14 is rotatably connected with the dust box 7 through the fixed shaft 6, the fixed shaft 6 is arranged in the middle of the monitoring head 14, the pressing device 5 is arranged at the upper part of the dust box 7, the pressing device 5 is arranged on the monitoring head 14, and the extrusion device 8 matched with the pressing device 5 is arranged at the lower part of the monitoring head 14;
further, the pressing device 5 comprises a second motor 51 and an eccentric wheel 52, the second motor 51 is arranged in the dust-proof box 7, the eccentric wheel 52 is arranged at the output end of the second motor 51, the eccentric wheel 52 is arranged at the front end of the monitoring head 14, and the second motor 51 drives the eccentric wheel 52 to rotate, so that the monitoring head 14 is extruded, and the monitoring angle of the monitoring head 14 is adjusted;
further, the extrusion device 8 comprises an extrusion column 81, a fixing nut 82 and a spring 83, the extrusion column 81 is arranged at the bottom of the monitoring head 14, the end of the extrusion column 81 penetrates through the dust-proof box 7 and is connected with the dust-proof box 7 through the fixing nut 82, the spring 83 is sleeved on the extrusion column 81, the spring 83 is arranged between the monitoring head 14 and the dust-proof box 7, when the monitoring head 14 moves downwards, the extrusion column 81 descends, the spring 83 contracts, and when the monitoring head 14 moves upwards, the spring 83 extrudes the monitoring head 14 to move upwards, and through the arrangement, the up-and-down angle of the monitoring head 14 can be conveniently adjusted;
furthermore, a positioning block 15 is arranged on the monitoring head 14, a groove matched with the eccentric wheel 52 is formed in the positioning block 15, and the monitoring head 14 is connected with the eccentric wheel 52 more tightly through the positioning block 15, so that the adjusting effect is better.
The working principle is as follows: when the monitoring head 14 is used, when the left and right angles of the monitoring head 14 need to be adjusted, the gear 12 is driven to rotate by the first motor 9, then the gear 12 drives the rack 11 to rotate, so that the lower supporting arm 4 drives the monitoring head 14 to rotate left and right, and the lower supporting arm 4 can be conveniently rotated while the bracket 10 on the upper supporting arm 3 can be connected with the lower supporting arm 4 by the limiting ring 13 matched with the arrangement of the limiting groove, when the up and down angles of the monitoring head 14 need to be adjusted, the eccentric wheel 52 is driven to rotate by the second motor 51, the monitoring head 14 can be adjusted up and down by the characteristic of the eccentric wheel 52, the monitoring head 14 has upward extrusion force by the extrusion column 81 matched with the arrangement of the spring 83, so that the monitoring head 14 is tightly attached to the eccentric wheel 52 all the time, and through the arrangement, the up and down and left adjustment and right adjustment of the monitoring head 14 are convenient, therefore, the teacher can conveniently observe the classroom in an all-around dead angle-free mode, and students can be conveniently managed and observed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a classroom monitoring device for modern education, includes fixing base (1), its characterized in that: the classroom monitoring device is characterized in that the fixing seat (1) is fixed on a classroom wall through a fixing bolt, a supporting plate (2) is fixedly arranged on the upper portion of the fixing seat (1), a supporting arm is arranged on the supporting plate (2), the supporting arm is connected with a monitoring device and comprises an upper supporting arm (3), a lower supporting arm (4) and a rotating device, the upper supporting arm (3) is fixedly arranged at the bottom of the supporting plate (2), the monitoring device is provided with the lower supporting arm (4), the upper supporting arm (3) is connected with the lower supporting arm (4) through the rotating device, the rotating device comprises a first motor (9), a support (10), a gear strip (11) and a gear (12), the support (10) is arranged between the upper supporting arm (3) and the lower supporting arm (4), one end of the support (10) is fixedly arranged on the upper supporting arm (3), and the other end of the support (10) is rotatably arranged on the lower supporting arm (, go up fixed first motor (9) that is equipped with on support arm (3), the output of first motor (9) is equipped with gear (12), be equipped with on lower support arm (4) with gear (12) complex rack (11).
2. A modern educational classroom monitoring device as defined in claim 1, wherein: the end part of the support (10) is provided with a limiting ring (13), the lower support arm (4) is provided with an annular groove matched with the limiting ring (13), and the limiting ring (13) is rotatably arranged in the annular groove.
3. A modern educational classroom monitoring device as defined in claim 1, wherein: the monitoring device comprises a fixed shaft (6), a dust box (7), a monitoring head (14), a pressing device (5) and an extrusion device (8), wherein the dust box (7) is arranged at the bottom end of the lower supporting arm (4), the monitoring head (14) is arranged in the dust box (7), the monitoring head (14) is rotatably connected with the dust box (7) through the fixed shaft (6), the fixed shaft (6) is arranged in the middle of the monitoring head (14), the pressing device (5) is arranged on the upper portion of the dust box (7), the pressing device (5) is arranged on the monitoring head (14), and the extrusion device (8) matched with the pressing device (5) is arranged on the lower portion of the monitoring head (14).
4. A modern educational classroom monitoring device as defined in claim 3, wherein: the pressing device (5) comprises a second motor (51) and an eccentric wheel (52), the second motor (51) is arranged in the dust-proof box (7), the eccentric wheel (52) is arranged at the output end of the second motor (51), and the eccentric wheel (52) is arranged at the front end of the monitoring head (14).
5. A modern educational classroom monitoring device as defined in claim 3, wherein: extrusion device (8) are including extrusion post (81), fixation nut (82) and spring (83), the bottom of monitoring head (14) is equipped with extrusion post (81), the tip of extrusion post (81) runs through dust-proof box (7) and connects through fixation nut (82), the cover is equipped with spring (83) on extrusion post (81), and spring (83) set up between monitoring head (14) and dust-proof box (7).
6. A modern educational classroom monitoring device as defined in claim 3, wherein: a positioning block (15) is arranged on the monitoring head (14), and a groove matched with the eccentric wheel (52) is formed in the positioning block (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920800739.9U CN209909447U (en) | 2019-05-30 | 2019-05-30 | Classroom monitoring device for modern education |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920800739.9U CN209909447U (en) | 2019-05-30 | 2019-05-30 | Classroom monitoring device for modern education |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209909447U true CN209909447U (en) | 2020-01-07 |
Family
ID=69049332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920800739.9U Expired - Fee Related CN209909447U (en) | 2019-05-30 | 2019-05-30 | Classroom monitoring device for modern education |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209909447U (en) |
-
2019
- 2019-05-30 CN CN201920800739.9U patent/CN209909447U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200107 Termination date: 20200530 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |