CN217422791U - Two-degree-of-freedom spherical video monitoring terminal device driven by stepping motor - Google Patents
Two-degree-of-freedom spherical video monitoring terminal device driven by stepping motor Download PDFInfo
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- CN217422791U CN217422791U CN202123237986.9U CN202123237986U CN217422791U CN 217422791 U CN217422791 U CN 217422791U CN 202123237986 U CN202123237986 U CN 202123237986U CN 217422791 U CN217422791 U CN 217422791U
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Abstract
The utility model discloses a spherical video monitor terminal device of step motor driven two degrees of freedom, the device mainly contain spherical monitoring head, every single move adjusting module, driftage adjusting module three. Wherein the yaw adjustment module contains the installation base, and the step motor is adjusted in yaw, speed reduction module, internal tooth yaw dish, every single move adjustment module mounting panel and yaw module shell. The pitching adjusting module comprises a pitching module shell, a double-output-shaft pitching adjusting stepping motor, a left speed reducing module, a right speed reducing module, a left transmission shell, a right transmission shell, a left supporting arm, a right supporting arm, a left output synchronizing wheel, a right output synchronizing wheel, a left synchronous belt, a right synchronous belt and a left input synchronizing wheel. The spherical monitoring head comprises a spherical shell, a circular bottom cover, a lens, a focusing motor, a speed reducing mechanism, a video sensor plate and an installation bottom plate. The utility model discloses compact structure, easily installation adopts the step motor drive every single move joint of dual output shaft, and the atress is balanced, is difficult for taking place the wearing and tearing problem.
Description
Technical Field
The utility model relates to a security protection supervisory equipment's technical field, in particular to spherical video monitor terminal device of two degrees of freedom of step motor driven.
Background
With the continuous development of the video security monitoring industry, the video monitoring plays an increasingly greater role in smart city monitoring. A certain number of front-end monitoring cameras are distributed on proper monitoring point positions, corresponding scene data are shot, the data are collected to an NVR, and central control display and external network access equipment are superposed to form a basic video monitoring system. Whether the front-end monitoring camera is automatically adjusted or not is divided into a fixed monitoring camera and a tripod head monitoring camera, and the tripod head monitoring camera can remotely control the monitoring visual angle and has better monitoring flexibility, so that the tripod head monitoring camera is more and more widely applied.
At present, the two-degree-of-freedom pan-tilt monitoring camera is most widely applied, an encoder needs to be added to the pan-tilt monitoring camera driven by a direct current motor, and otherwise, positioning control cannot be realized; the stepping motor is adopted for driving, so that the problems do not exist, and the stepping motor does not need a position feedback device. In addition, according to the current system configuration, the control of the monitoring camera is usually driven by a single side, and after long-time work, the phenomenon of single-axis abrasion can occur, so that the problems that the control card of the holder of the monitoring camera is unsmooth and the like can be caused, and the requirement of long-time stable work can not be met.
Disclosure of Invention
The utility model aims to solve the technical problem that, overcome the technical defect that prior art exists and not enough, provide a spherical video monitor terminal device of step motor driven two degrees of freedom, the device compact structure can realize the visual angle adjustment to can work for a long time steadily.
A two-degree-of-freedom spherical video monitoring terminal device driven by a stepping motor comprises a spherical monitoring head, a pitching adjusting module and a yawing adjusting module which are arranged from top to bottom.
Preferably, the utility model discloses a driftage adjusting module contains the installation base, driftage adjusting step motor, the speed reduction module, the internal tooth driftage dish, every single move adjusting module mounting panel, the driftage module shell, driftage adjusting step motor fixes on the installation base, the speed reduction module is fixed on driftage adjusting step motor's output shaft, speed reduction module's gear and internal tooth driftage dish gear engagement, thereby it is rotatory that drive internal tooth driftage dish is around its center, every single move adjusting module mounting panel and internal tooth driftage dish fixed connection are in the same place, the middle boss embedding driftage module shell centre bore of internal tooth driftage dish, it presss from both sides the module shell that drifts in the centre with the internal tooth driftage dish to face upward adjusting module mounting panel.
Preferentially, the pitching adjustment module of the utility model comprises a pitching module shell, a double output shaft pitching adjustment stepping motor, a right deceleration module, a left deceleration module, a right transmission shell, a left support arm, a right output synchronizing wheel, a right synchronizing belt, a right input synchronizing wheel, a left output synchronizing wheel, a left synchronizing belt, a left input synchronizing wheel, a double output shaft pitching adjustment stepping motor is fixedly arranged on a pitching adjustment module mounting plate, the left deceleration module and the right deceleration module are respectively fixedly arranged at two ends of the double output shaft pitching adjustment stepping motor, the left deceleration module is fixedly arranged on the left support arm, the right deceleration module is fixedly arranged on the right support arm, an output shaft of the left deceleration module is fixedly connected with the left output synchronizing wheel, an output shaft of the right deceleration module is fixedly connected with the right output synchronizing wheel, the left output synchronizing wheel drives the left input synchronizing wheel to rotate through the left synchronizing belt, the right output synchronizing wheel drives the right input synchronizing wheel to rotate through the right synchronous belt.
Preferentially, the utility model discloses an installation left side transmission shell on the left branch brace, installation right side transmission shell on the right branch brace.
Preferentially, the utility model discloses a spherical monitoring head contains camera lens, reduction gears, focusing motor, video sensor board, mounting plate, spherical shell, circular bottom, and the camera lens is fixed mounting on the camera module of video sensor board, and reduction gears is fixed mounting on the output shaft of focusing motor, and the gear of reduction gears meshes with the external gear of camera lens, and focusing motor passes through the focus of reduction gears adjustment camera lens; the video sensor board is fixed on the round bottom cover through the mounting base plate, the video sensor board is separated from the mounting base plate through the stud, the round bottom cover is fixedly connected with the spherical shell through screws, bosses on the left side and the right side of the spherical shell are respectively embedded into a left supporting arm and a right supporting arm of the pitching adjusting module and are respectively fixedly connected with the left input synchronizing wheel and the right input synchronizing wheel, and the spherical monitoring head rotates around the central axis of the bosses on the left side and the right side of the spherical shell.
Preferentially, when the yaw adjusting stepping motor in the yaw adjusting module rotates, the pitching adjusting module and the spherical monitoring head synchronously rotate; when a double-output-shaft pitching adjusting stepping motor in the pitching adjusting module rotates, the spherical monitoring head rotates; when a focusing motor in the spherical monitoring head acts, the focal length of the lens is adjusted.
The utility model discloses following beneficial effect has:
1. the utility model adopts the step motor with double output shafts to drive the pitching joint, and the stress is balanced; the driving force is driven by the same stepping motor, so that the synchronous performance is better. And adopt bilateral actuating mechanism, can reduce because the wearing and tearing scheduling problem that unilateral atress caused.
2. When the yaw adjusting stepping motor of the utility model rotates, the pitching adjusting module and the spherical monitoring head synchronously rotate; when the double-output-shaft pitching adjusting stepping motor in the pitching adjusting module rotates, the spherical monitoring head is driven to rotate, and the focal length of the lens is adjusted. The utility model discloses a spherical video monitor terminal device of step motor driven two degrees of freedom has driftage and two degrees of freedom that can adjust the visual angle of every single move, also possesses the function of adjusting surveillance camera head focus simultaneously. Therefore, the utility model discloses a spherical video monitor terminal device of two degrees of freedom of step motor driven compact structure, easily installation.
Drawings
Fig. 1 is a schematic structural diagram of the spherical video monitoring terminal device of the present invention;
fig. 2 is a three-dimensional schematic diagram of a deflection mechanism of the spherical video monitoring terminal device of the present invention;
fig. 3 is a front view of the deflecting mechanism of the spherical video monitor terminal device of the present invention;
fig. 4 is a schematic view of a pitching mechanism of the spherical video monitoring terminal device of the present invention;
fig. 5 is a schematic view of a pitching mechanism transmission chain of the spherical video monitoring terminal device of the present invention;
fig. 6 is a schematic view of the camera installation of the spherical video monitoring terminal device of the present invention;
fig. 7 is a schematic view of the installation of the housing of the spherical video monitor terminal device of the present invention.
Wherein: 1. a spherical monitoring head, 2, a pitch adjustment module, 3, a yaw adjustment module, 101, a lens, 102, a speed reduction mechanism, 103, a focusing motor, 104, a video sensor board, 105, a mounting base plate, 106, a spherical shell, 107, a circular bottom cover, 201, a dual output shaft pitch adjustment stepping motor, 202, a right speed reduction module, 203, a left speed reduction module, 204, a right transmission shell, 205, a left transmission shell, 207, a left support arm, 208, a right support arm, 209, a right output synchronizing wheel, 210, a right synchronizing belt, 211, a right input synchronizing wheel, 212, a left output synchronizing wheel, 213, a left synchronizing belt, 214, a left input synchronizing wheel, 215, a pitch module shell, 301, a mounting base, 302, a yaw adjustment stepping motor, 303, a speed reduction module, 304, an internally-toothed yaw disc, 305, a pitch adjustment module mounting plate, 306, and a yaw module shell.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1, the utility model discloses a spherical video monitor terminal device of two degrees of freedom of step motor driven, the device mainly contain spherical monitoring head 1, every single move adjusting module 2, 3 triplets of driftage adjusting module.
Referring to fig. 2, 3 and 7, the yaw adjusting module 3 of the present invention mainly includes a mounting base 301, a yaw adjusting stepping motor 302, a speed reducing module 303, an internal tooth yaw disk 304, a pitch adjusting module mounting plate 305 and a yaw module housing 306. A yaw adjustment stepping motor 302 is fixed to the mounting base 301, a speed reduction module 303 is fixed to an output shaft of the yaw adjustment stepping motor 302, and a gear of the speed reduction module 303 is gear-engaged with the internal-tooth yaw disk 304 to drive the internal-tooth yaw disk 304 to rotate about the center thereof. The deceleration module 303 effectively increases the driving force of the yaw adjustment stepper motor 302. The pitch adjustment module mounting plate 305 is fixedly coupled to the internally-toothed yaw disk 304, a central boss of the internally-toothed yaw disk 304 fits into a central hole of the yaw module housing 306, and the pitch adjustment module mounting plate 305 and the internally-toothed yaw disk 304 sandwich the yaw module housing 306.
Referring to fig. 4, 5 and 7, the pitch adjusting module 2 of the present invention mainly comprises a dual output shaft pitch adjusting stepping motor 201, a right speed reducing module 202, a left speed reducing module 203, a right transmission housing 204, a left transmission housing 205, a left support arm 207, a right support arm 208, a right output synchronizing wheel 209, a right input synchronizing wheel 211, a left output synchronizing wheel 212, a left synchronizing belt 213, a right synchronizing belt 210, a left input synchronizing wheel 214, and a pitch module housing 215. The dual-output-shaft pitch adjustment stepping motor 201 is fixedly mounted on the pitch adjustment module mounting plate 305, the left deceleration module 203 and the right deceleration module 202 are respectively and fixedly mounted at two ends of the dual-output-shaft pitch adjustment stepping motor 201, the left deceleration module 203 and the right deceleration module 202 are simultaneously and fixedly mounted on the left supporting arm 207 and the right supporting arm 208, output shafts of the left deceleration module 203 and the right deceleration module 202 are respectively and fixedly connected with the left output synchronizing wheel 212 and the right output synchronizing wheel 209, the left output synchronizing wheel 212 and the right output synchronizing wheel 209 drive the left input synchronizing wheel 214 and the right input synchronizing wheel 211 to rotate through the left synchronous belt 213 and the right synchronous belt 210, and as the driving force is driven by the same stepping motor, the dual-output-shaft pitch adjustment stepping motor has better synchronism. And adopt bilateral actuating mechanism, can reduce because the wearing and tearing scheduling problem that unilateral atress caused.
In order to prevent dust and other problems, the utility model discloses install left transmission shell 205, right transmission shell 204 on left branch brace 207, right branch brace 208 respectively.
Referring to fig. 6 and 7, the spherical monitoring head 1 of the present invention mainly includes a lens 101, a speed reducing mechanism 102, a focusing motor 103, a video sensor board 104, a mounting base plate 105, a spherical shell 106, and a circular bottom cover 107. The video sensor board 104 is fixed to the circular bottom cover 107 by the mounting base plate 105, and the video sensor board 104 is separated from the mounting base plate 105 by a stud. The lens 101 is fixedly mounted on the camera module of the video sensor board 104, the reduction mechanism 102 is fixedly mounted on an output shaft of the focus motor 103, a gear of the reduction mechanism 102 is engaged with an external gear of the lens 101, and the focus motor 103 adjusts the focal length of the lens 101 through the reduction mechanism 102. The circular bottom cover 107 is fixedly connected with the spherical shell 106 through screws, bosses on the left side and the right side of the spherical shell 106 are embedded into the left supporting arm 207 and the right supporting arm 208 of the pitch adjusting module 2 and are fixedly connected with the left input synchronizing wheel 214 and the right input synchronizing wheel 211, and the spherical monitoring head 1 can rotate around the central axis of the bosses on the left side and the right side of the spherical shell 106.
When the yaw adjusting stepping motor 302 in the yaw adjusting module 3 of the utility model rotates, the pitching adjusting module 2 and the spherical monitoring head 1 rotate synchronously; when the double-output-shaft pitching adjusting stepping motor 201 in the pitching adjusting module 2 rotates, the spherical monitoring head 1 rotates; when the focus motor 103 in the spherical monitoring head 1 is operated, the focal length of the lens 101 is adjusted. Therefore, the utility model discloses a spherical video monitor terminal device of step motor driven two degrees of freedom has driftage and two degrees of freedom that can adjust the visual angle of every single move, also possesses the function of adjusting surveillance camera head focus simultaneously. The utility model discloses step motor driven two degree of freedom spherical video monitor terminal device compact structure, easily installation adopts the step motor drive every single move joint of dual output shaft, and the atress is balanced, difficult emergence wearing and tearing problem.
Claims (1)
1. A two-degree-of-freedom spherical video monitoring terminal device driven by a stepping motor is characterized by comprising a spherical monitoring head (1), a pitching adjusting module (2) and a yawing adjusting module (3) which are arranged from top to bottom; when the yaw adjusting module (3) rotates, the pitching adjusting module (2) and the spherical monitoring head (1) synchronously rotate; when the pitching adjusting module (2) rotates, the spherical monitoring head (1) rotates;
the yaw adjusting module (3) comprises a mounting base (301), a yaw adjusting stepping motor (302), a speed reducing module (303), an internal tooth yaw disc (304), a pitching adjusting module mounting plate (305) and a yaw module shell (306), wherein the yaw adjusting stepping motor (302) is fixed on the mounting base (301), the speed reducing module (303) is fixed on an output shaft of the yaw adjusting stepping motor (302), a gear of the speed reducing module (303) is meshed with a gear of the internal tooth yaw disc (304), thereby driving the internal tooth yaw disk (304) to rotate around the center thereof, fixedly connecting the pitch adjusting module mounting plate (305) and the internal tooth yaw disk (304), embedding a middle boss of the internal tooth yaw disk (304) into a central hole of a yaw module shell (306), and clamping the yaw module shell (306) by the pitch adjusting module mounting plate (305) and the internal tooth yaw disk (304);
the pitching adjusting module (2) mainly comprises a pitching module shell (215), a double-output-shaft pitching adjusting stepping motor (201), a right speed reducing module (202), a left speed reducing module (203), a right transmission shell (204), a left transmission shell (205), a left supporting arm (207), a right supporting arm (208), a right output synchronizing wheel (209), a right synchronizing belt (210), a right input synchronizing wheel (211), a left output synchronizing wheel (212), a left synchronizing belt (213) and a left input synchronizing wheel (214), wherein the double-output-shaft pitching adjusting stepping motor (201) is fixedly arranged on a pitching adjusting module mounting plate (305), the left speed reducing module (203) and the right speed reducing module (202) are respectively and fixedly arranged at two ends of the double-output-shaft pitching adjusting stepping motor (201), the left speed reducing module (203) is fixedly arranged on the left supporting arm (207), and the right speed reducing module (202) is fixedly arranged on the right supporting arm (208), an output shaft of the left speed reduction module (203) is fixedly connected with a left output synchronous wheel (212), an output shaft of the right speed reduction module (202) is fixedly connected with a right output synchronous wheel (209), the left output synchronous wheel (212) drives a left input synchronous wheel (214) to rotate through a left synchronous belt (213), and the right output synchronous wheel (209) drives a right input synchronous wheel (211) to rotate through a right synchronous belt (210);
a left transmission shell (205) is arranged on the left supporting arm (207), and a right transmission shell (204) is arranged on the right supporting arm (208);
the spherical monitoring head (1) comprises a lens (101), a speed reducing mechanism (102), a focusing motor (103), a video sensor board (104), a mounting base plate (105), a spherical shell (106) and a circular bottom cover (107), wherein the lens (101) is fixedly mounted on a camera module of the video sensor board (104), the speed reducing mechanism (102) is fixedly mounted on an output shaft of the focusing motor (103), a gear of the speed reducing mechanism (102) is meshed with an external gear of the lens (101), and the focusing motor (103) adjusts the focal length of the lens (101) through the speed reducing mechanism (102); the video sensor board (104) is fixed on a round bottom cover (107) through a mounting base plate (105), the video sensor board (104) is separated from the mounting base plate (105) through a stud, the round bottom cover (107) is fixedly connected with a spherical shell (106) through screws, bosses on the left side and the right side of the spherical shell (106) are respectively embedded into a left supporting arm (207) and a right supporting arm (208) of a pitching adjusting module (2) and are respectively fixedly connected with a left input synchronizing wheel (214) and a right input synchronizing wheel (211), and a spherical monitoring head (1) rotates around the central axis of the bosses on the left side and the right side of the spherical shell (106);
when a yaw adjusting stepping motor (302) in the yaw adjusting module (3) rotates, the pitching adjusting module (2) and the spherical monitoring head (1) rotate synchronously; when a double-output-shaft pitching adjusting stepping motor (201) in the pitching adjusting module (2) rotates, the spherical monitoring head (1) rotates; when a focusing motor (103) in the spherical monitoring head (1) acts, the focal length of the lens (101) is adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123237986.9U CN217422791U (en) | 2021-12-22 | 2021-12-22 | Two-degree-of-freedom spherical video monitoring terminal device driven by stepping motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123237986.9U CN217422791U (en) | 2021-12-22 | 2021-12-22 | Two-degree-of-freedom spherical video monitoring terminal device driven by stepping motor |
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| Publication Number | Publication Date |
|---|---|
| CN217422791U true CN217422791U (en) | 2022-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123237986.9U Active CN217422791U (en) | 2021-12-22 | 2021-12-22 | Two-degree-of-freedom spherical video monitoring terminal device driven by stepping motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217422791U (en) |
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2021
- 2021-12-22 CN CN202123237986.9U patent/CN217422791U/en active Active
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