CN202548681U - Intelligent self-stabilization image pickup system control unit - Google Patents
Intelligent self-stabilization image pickup system control unit Download PDFInfo
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- CN202548681U CN202548681U CN2012201516150U CN201220151615U CN202548681U CN 202548681 U CN202548681 U CN 202548681U CN 2012201516150 U CN2012201516150 U CN 2012201516150U CN 201220151615 U CN201220151615 U CN 201220151615U CN 202548681 U CN202548681 U CN 202548681U
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Abstract
The utility model discloses an intelligent self-stabilization image pickup system control unit, belonging to the technical field of video camera pan-tilt. The structure of the intelligent self-stabilization image pickup system control unit is shown as follows: a single-chip microprocessor small embedded system is respectively connected with a gyroscope, an accelerometer and a stepper motor driver, and an upper computer is connected with the single-chip microprocessor small embedded system through a communication unit; the stepper motor driver is respectively connected with a first stepper motor and a second stepper motor; and the stepper motor driver, the first stepper motor and the second stepper motor form a stepper motor control unit. The intelligent self-stabilization image pickup system control unit has the characteristics of high precision, high accuracy, miniaturization and intelligence, can be widely used in the aspects of vehicle image pickup systems, handheld video cameras and so on, can avoid the problems such as image blurring caused by vibration, and can realize clear recording of images.
Description
Technical field
The utility model belongs to the camera pan-tilt technical field, particularly a kind of intelligent self-stabilization camera system control module.
Background technology
At present, camera system self-stabilization technology has been widely used in fields such as military affairs, aviation, on miniature camera, also all installed to prevent that hand shake from causing the device of fuzzy pictures, but camera system self-stabilization technology civilian aspect, also have following subject matter:
1) traditional cradle head structure is mainly used in the monitoring of public place etc., has big, the too heavy characteristics of volume.The inside drive system structure of this type The Cloud Terrace is complicated especially simultaneously, is not suitable for civilian small-sized movably camera head.
2) present existing self-stabilization camera system has the high governing response of precision characteristics rapidly.But complex structure is huge, and cost is expensive, can not extensively utilize cost-effectively.With respect to civilian and small-sized camera system, the accuracy requirement of picture need not reach the level of high-resolution, so the type camera system is difficult to aspect civilian, obtain promoting.
3) The Cloud Terrace of widespread use both at home and abroad all adopts direct current torque motor directly to drive load at present; Though this control method governing speed is very fast; But be difficult to reach basic demand aspect motor speed control and the angle control precision; Also need devices such as extra increase code-disc simultaneously, cause system architecture complicated.
The utility model content
The utility model discloses a kind of intelligent self-stabilization camera system control module to above-mentioned defective.The purpose of the utility model provides a kind of control module that can regulate The Cloud Terrace attitude angle realization video camera self-stabilization automatically
A kind of structure of intelligent self-stabilization camera system control module is following: chip microprocessor low profile edge system connects gyroscope, accelerograph and stepper motor driver respectively, and host computer connects chip microprocessor low profile edge system through communication unit; Stepper motor driver connects first stepper motor and second stepper motor respectively; Stepper motor driver, first stepper motor and second stepper motor constitute the step motor control unit.
Said gyroscope is three micro-mechanical gyroscopes, and an axle of three micro-mechanical gyroscopes is installed along camera axis, and diaxon is vertical each other in addition, and the plane that this diaxon constitutes is vertical with camera axis;
The said singlechip microprocessor low profile edge employing AVR of system single-chip microcomputer.
Said AVR single-chip microcomputer is the ATmega16 single-chip microcomputer.
Said communication unit adopts SCI serial communication interface.
The beneficial effect of the utility model is:
Can realize controlling simultaneously the corner and the rotating speed of camera pan-tilt according to instruction; Can accurately obtain the attitude angle of camera under inertial coordinates system through gyroscope and accelerograph, realize the self-stabilization of camera attitude through the stepper motor real-Time Compensation.That system has is high-accuracy, high accuracy, miniaturization, intelligentized characteristics, can be widely used in the vehicle-mounted pick-up system, and the problem such as image blurring that produces because of vibration is avoided in aspects such as hand-held camera, realizes that the clear of image record.
Description of drawings
Fig. 1 is the utility model structured flowchart.
Fig. 2 is the step motor control process flow diagram.
Embodiment
The utility model provides a kind of intelligent self-stabilization camera system control module, below in conjunction with accompanying drawing and embodiment the utility model is further specified.
As shown in Figure 1; A kind of structure of intelligent self-stabilization camera system control module is following: chip microprocessor low profile edge system connects gyroscope, accelerograph and stepper motor driver respectively, and host computer connects chip microprocessor low profile edge system through communication unit; Stepper motor driver connects first stepper motor and second stepper motor respectively; Stepper motor driver, first stepper motor and second stepper motor constitute the step motor control unit.
Gyroscope is three micro-mechanical gyroscopes, and an axle of three micro-mechanical gyroscopes is installed along camera axis, and diaxon is vertical each other in addition, and the plane that this diaxon constitutes is vertical with camera axis; Can record the rotational angular velocity vector (promptly can record the attitude angle data of camera pan-tilt on three axles) on three axles of video camera.Camera pan-tilt three axial controls by step motor drive.
Singlechip microprocessor low profile edge system adopts the AVR single-chip microcomputer.The video camera that singlechip microprocessor low profile edge system obtains to be recorded by gyroscope and accelerograph after single-chip microcomputer is accomplished the reception data, gets into interrupt service routine at the angular velocity output voltage signal of inertial space automatically, reads the result.Obtain the space three-dimensional attitude angle of The Cloud Terrace then through calculating, and send data to the step motor control unit.
The AVR single-chip microcomputer is the ATmega16 single-chip microcomputer.
Communication unit adopts SCI serial communication interface.Communication unit is accepted the corresponding control command of host computer simultaneously to various state parameters such as the attitude of host computer transmission motor, corners.Total system can accurately be controlled The Cloud Terrace corner and rotating speed according to instruction, but also intelligent compensation has the characteristics of high precision, high reliability owing to the angular deviation that the motion of The Cloud Terrace body produces.
The step motor control unit produces pwm pulse, the corner and the rotating speed of control motor according to the data and the host computer order of attitude measurement unit.Camera control unit produces the square-wave signal of certain dutycycle through I/O, the state parameters such as deflection angle of control camera.
As shown in Figure 2, the step-by-step impulse of stepper motor is produced by the PWM passage of single-chip microcomputer, and direction is controlled by the high-low level of the I/O passage generation of single-chip microcomputer.At first according to the stepper motor rotational angle and the speed command that send, programming calculates PWM cycle and the number that needs.Can change the frequency of PWM through the value that changes the timer cycle register, under the certain situation of the period register of timer, the value that changes comparand register just can change the dutycycle of output PWM, the final effect that reaches compensation through stepper motor.
Claims (5)
1. intelligent self-stabilization camera system control module; It is characterized in that; Its structure is following: chip microprocessor low profile edge system connects gyroscope, accelerograph and stepper motor driver respectively, and host computer connects chip microprocessor low profile edge system through communication unit; Stepper motor driver connects first stepper motor and second stepper motor respectively; Stepper motor driver, first stepper motor and second stepper motor constitute the step motor control unit.
2. a kind of intelligent self-stabilization camera system control module according to claim 1; It is characterized in that; Said gyroscope is three micro-mechanical gyroscopes; An axle of three micro-mechanical gyroscopes is installed along camera axis, and diaxon is vertical each other in addition, and the plane that this diaxon constitutes is vertical with camera axis.
3. a kind of intelligent self-stabilization camera system control module according to claim 1 is characterized in that, the said singlechip microprocessor low profile edge employing AVR of system single-chip microcomputer.
4. a kind of intelligent self-stabilization camera system control module according to claim 3 is characterized in that said AVR single-chip microcomputer is the ATmega16 single-chip microcomputer.
5. a kind of intelligent self-stabilization camera system control module according to claim 1 is characterized in that, said communication unit adopts SCI serial communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012201516150U CN202548681U (en) | 2012-04-11 | 2012-04-11 | Intelligent self-stabilization image pickup system control unit |
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| CN2012201516150U CN202548681U (en) | 2012-04-11 | 2012-04-11 | Intelligent self-stabilization image pickup system control unit |
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| CN202548681U true CN202548681U (en) | 2012-11-21 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103533238A (en) * | 2013-09-30 | 2014-01-22 | 武汉烽火众智数字技术有限责任公司 | Image stabilization device and method for dome camera |
| CN104363373A (en) * | 2014-11-06 | 2015-02-18 | 中国航空工业集团公司洛阳电光设备研究所 | NiosII based automatic infrared-image focusing system and method thereof |
| CN104714558A (en) * | 2015-03-27 | 2015-06-17 | 北京航空航天大学 | Pilot helmet follow-up demonstration instrument |
| CN105472257A (en) * | 2016-01-05 | 2016-04-06 | 零度智控（北京）智能科技有限公司 | Cradle head control system and cradle head |
| CN105894607A (en) * | 2015-04-30 | 2016-08-24 | 乐卡汽车智能科技（北京）有限公司 | Automobile data recording device and adjusting and control method using same |
| CN107153429A (en) * | 2017-06-30 | 2017-09-12 | 天津市亚安科技有限公司 | A kind of vehicle head stabilising arrangement and method based on double tops instrument |
| CN108965748A (en) * | 2018-07-18 | 2018-12-07 | 张家港市鸿嘉数字科技有限公司 | Video control system |
| CN110351465A (en) * | 2019-07-18 | 2019-10-18 | 珠海格力电器股份有限公司 | A kind of stabilization camera module and its anti-fluttering method |
-
2012
- 2012-04-11 CN CN2012201516150U patent/CN202548681U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103533238A (en) * | 2013-09-30 | 2014-01-22 | 武汉烽火众智数字技术有限责任公司 | Image stabilization device and method for dome camera |
| CN104363373A (en) * | 2014-11-06 | 2015-02-18 | 中国航空工业集团公司洛阳电光设备研究所 | NiosII based automatic infrared-image focusing system and method thereof |
| CN104363373B (en) * | 2014-11-06 | 2017-08-04 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of infrared image automatic focusing system and method based on NiosII |
| CN104714558A (en) * | 2015-03-27 | 2015-06-17 | 北京航空航天大学 | Pilot helmet follow-up demonstration instrument |
| CN104714558B (en) * | 2015-03-27 | 2017-06-06 | 北京航空航天大学 | A kind of aircrew helmet is with movement demonstration instrument |
| CN105894607A (en) * | 2015-04-30 | 2016-08-24 | 乐卡汽车智能科技（北京）有限公司 | Automobile data recording device and adjusting and control method using same |
| CN105894607B (en) * | 2015-04-30 | 2018-09-07 | 睿驰智能汽车（广州）有限公司 | Bicycle recording apparatus and the adjustment control method for utilizing bicycle recording apparatus |
| CN105472257A (en) * | 2016-01-05 | 2016-04-06 | 零度智控（北京）智能科技有限公司 | Cradle head control system and cradle head |
| CN107153429A (en) * | 2017-06-30 | 2017-09-12 | 天津市亚安科技有限公司 | A kind of vehicle head stabilising arrangement and method based on double tops instrument |
| CN108965748A (en) * | 2018-07-18 | 2018-12-07 | 张家港市鸿嘉数字科技有限公司 | Video control system |
| CN110351465A (en) * | 2019-07-18 | 2019-10-18 | 珠海格力电器股份有限公司 | A kind of stabilization camera module and its anti-fluttering method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20140411 |