CN108200319A - A kind of big zoom integrated camera and its autocontrol method - Google Patents
A kind of big zoom integrated camera and its autocontrol method Download PDFInfo
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- CN108200319A CN108200319A CN201810018978.9A CN201810018978A CN108200319A CN 108200319 A CN108200319 A CN 108200319A CN 201810018978 A CN201810018978 A CN 201810018978A CN 108200319 A CN108200319 A CN 108200319A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Lens Barrels (AREA)
Abstract
The invention discloses a kind of big zoom integrated camera and its control methods, the video camera includes lens barrel, optical lens, focus module, main control module, COMS sensor assemblies and rear control plate interface module are equipped in the lens barrel, the master control mould is connect respectively with COMS sensor assemblies, focus module and rear control plate interface module, and the focus module is connect with optical lens；The focus module carries out fast automatic focusing for optical lens to be controlled to focus according to focusing instruction；The main control module is used to send focusing instruction analog-to-digital conversion voltage value corresponding with preset order of the bit is stored, and send corresponding analog-to-digital conversion voltage value to holder according to the call instruction of presetting bit to focus module.All component combinations of video camera by, being convenient to installation video camera together by the present invention, and the video camera can rapidly carry out auto-focusing, meet the requirement of the fast automatic focusing of user, can be widely applied to field of cameras.
Description
Technical field
The present invention relates to field of cameras more particularly to a kind of big zoom integrated cameras and its Atomatic focusing method.
Background technology
With safe city, forest fire protection, the propulsion that smart city is built, security product quickly popularizes in every profession and trade, should
Diversification, environment it is multifarious, China's security protection video monitoring trade is gradually to networking, high Qinghua, intelligent direction
Development.The high definition camera lens of the big zoom of long-focus has become one of the fields such as forest security protection, maritime administration, railway oilfield supervisory not
The part that can lack, it is required that camera lens multiple higher, shooting distance are wider, farther.High definition remote monitor currently on the market
Component part mainly has：High-rate lens, automatic (manual) focus module and web camera, this three parts product structure belong to
In monomer structure, three kinds of components is needed, which to combine, could debug use, and this structure causes the inconvenience installed.It is and existing
Big zoom integrated camera focusing time it is too long, requirement of the user to rapid focus can not be met.
Explanation of nouns：Far ends are focusing farthest limits end, and near ends are nearest extreme end of focusing.
Invention content
In order to solve the above-mentioned technical problem, the object of the present invention is to provide a kind of integrated cameras easy for installation.
It is a further object of the present invention to provide a kind of quick Atomatic focusing methods of big zoom integrated camera.
The technical solution adopted in the present invention is：
A kind of big zoom integrated camera including lens barrel, is equipped with optical lens, focus module, master control in the lens barrel
Module, COMS sensor assemblies and rear control plate interface module, the master control mould respectively with COMS sensor assemblies, focus module and
The connection of control plate interface module, the focus module are connect with optical lens afterwards；
The focus module carries out fast automatic focusing for optical lens to be controlled to focus according to focusing instruction；
The main control module is used to send focusing instruction analog-to-digital conversion corresponding with preset order of the bit is stored to focus module
Voltage value, and corresponding analog-to-digital conversion voltage value is sent to holder according to the call instruction of presetting bit.
Further, the focus module includes automatic focusing unit and Manual focusing unit, the automatic focusing unit packet
Include motor, potentiometer and processor, the processor is connect respectively with motor and main control module, the potentiometer respectively with processing
Device is connected with motor, and focusing microscope group is equipped in the optical lens, and the motor is connect with focusing microscope group；
The potentiometer is used to acquire the analog-to-digital conversion voltage value of the working condition of motor, and voltage is transferred to processing
Device；
The automatic focusing unit is used to be instructed the focusing microscope group progress in control optical lens fast automatic according to focusing
Focusing.
Another technical solution of the present invention is：
A kind of autocontrol method of big zoom integrated camera, includes the following steps：
S1, focusing instruction is transmitted to processor according to zoom information main control module input by user；
S2, processor instruct control motor movement according to focusing, and the modulus on potentiometer is obtained after motor has moved
Conversion voltage value S；
S3, processor judge whether analog-to-digital conversion voltage value S is equal with preset analog-to-digital conversion voltage value, if so, performing
S4；Conversely, perform S5；
S4, control motor are moved to preset focusing position；
S5, control motor carry out shape library processing.
Further, the self-test step of focusing is further included, which includes the following steps：
The self-test step of focusing is further included, which includes the following steps：
A1, processor control motor are moved to far ends near ends, and aperture and rear coke are adjusted in moving process；
A2, processor control motor are moved near ends, and after obtaining the first analog-to-digital conversion voltage value Z1 on potentiometer,
Motor is controlled to carry out shape library processing, so as to obtain the second analog-to-digital conversion voltage value F1；
A3, processor control motor are moved to preset medium position, and obtain the electricity of the third analog-to-digital conversion on potentiometer
After pressure value Z2, control motor carries out shape library processing, so as to obtain the 4th analog-to-digital conversion voltage value F2；
A4, processor control motor are moved to far ends, and after obtaining the 5th analog-to-digital conversion voltage value Z3 on potentiometer,
Motor is controlled to carry out shape library processing, so as to obtain the 6th analog-to-digital conversion voltage value F3.
Further, the control motor in the A2 carries out shape library processing, so as to obtain the second analog-to-digital conversion voltage value
The step of F1, specifically includes following steps：
A21, mobile search is carried out, and it is clear to calculate image of the motor in mobile each position according to preset moving direction
Clear angle value, judges whether image clarity values increase, if raising, obtains highest image clarity values and corresponding analog-to-digital conversion
Voltage value；
A22, the drop-out value for calculating image clarity values, and be more than pre- in the drop-out value for calculating the image clarity values obtained
If first threshold when, perform A23；Conversely, perform A21；
A23, judge whether highest image clarity values are greater than or equal to preset image clarity values, if so, stopping
Mobile search simultaneously obtains the corresponding second analog-to-digital conversion voltage value F1 of highest image clarity values；Conversely, perform A1.
Further, the step S3, specially：Processor judge analog-to-digital conversion voltage value S whether with the first analog-to-digital conversion
Voltage value Z1, third analog-to-digital conversion voltage value Z2 or the 5th analog-to-digital conversion voltage value Z3 are equal, if so, performing S4；Conversely, it performs
S5。
Further, the step S4, specifically includes following steps：
Judge whether number conversion voltage value S is equal to the first analog-to-digital conversion voltage value Z1, if so, control motor is moved to second
The corresponding positions of analog-to-digital conversion voltage value F1；Conversely, perform next step；
Judge whether number conversion voltage value S is equal to third analog-to-digital conversion voltage value Z2, if so, control motor is moved to the 4th
The corresponding positions of analog-to-digital conversion voltage value F2；Conversely, control motor is moved to the corresponding positions of the 6th analog-to-digital conversion voltage value F3.
Further, the step S5, specifically includes following steps：
B1, judge whether Z1 ＜ S ＜ Z2 are true, if so, perform B2~B4；Conversely, perform B5~B7；
After B2, control motor are moved on the corresponding positions of the second analog-to-digital conversion voltage value F1, judge that image definition is
It is no to be greater than or equal to preset definition values, if so, focusing is completed；Conversely, according to preset moving direction and moving step length into
Row mobile search；
B3, image clarity values of the motor in mobile each position are calculated, and is determining image clarity values raising
When, obtain highest image clarity values and corresponding analog-to-digital conversion voltage value；
B4, the drop-out value for calculating image clarity values, and be more than pre- in the drop-out value for calculating the image clarity values obtained
If first threshold when, motor is moved on the corresponding position of highest image clarity values；
After B5, control motor are moved on the corresponding positions of the 6th analog-to-digital conversion voltage value F3, judge that image definition is
It is no to be greater than or equal to preset definition values, if so, focusing is completed；Conversely, according to preset moving direction and moving step length into
Row mobile search；
B6, image clarity values of the motor in mobile each position are calculated, and is determining image clarity values raising
When, obtain highest image clarity values and corresponding analog-to-digital conversion voltage value；
B7, the drop-out value for calculating image clarity values, and be more than pre- in the drop-out value for calculating the image clarity values obtained
If first threshold when, motor is moved on the corresponding position of highest image clarity values.
Further, presetting bit setting steps are additionally provided with before step S0, are specifically included：
Main control module obtains presetting bit setting command, by the data format of presetting bit setting command and preset data command
Form is compared, and judges whether the data format of presetting bit setting command is correct, and after correct judgment, by preset order of the bit
Corresponding analog-to-digital conversion voltage value is stored in preset voltage value memory block.
Further, the presetting bit setting steps are further comprising the steps of：
After main control module receives the call instruction of presetting bit input by user, according to call instruction from voltage value memory block
Middle acquisition analog-to-digital conversion voltage value, and analog-to-digital conversion voltage value is sent to holder.
The beneficial effects of the invention are as follows：A kind of big zoom integrated camera including lens barrel, is equipped with optics in the lens barrel
Camera lens, focus module, main control module, COMS sensor assemblies and rear control plate interface module, the master control mould pass respectively with COMS
Sensor module, focus module are connected with rear control plate interface module, and the focus module is connect with optical lens；The focus module
For optical lens to be controlled to focus, and fast automatic focusing is carried out according to focusing instruction；The main control module is used for poly-
Burnt module sends focusing and instructs analog-to-digital conversion voltage value corresponding with preset order of the bit is stored, and according to the call instruction of presetting bit
Corresponding analog-to-digital conversion voltage value is sent to holder.It is taken the photograph by the way that all component combinations of video camera, to be convenient to installation together
Camera, and the video camera can rapidly carry out auto-focusing, meet the requirement of the fast automatic focusing of user.
The advantageous effect of the method for the present invention：A kind of autocontrol method of big zoom integrated camera, including following step
Suddenly：S1, focusing instruction is transmitted to processor according to zoom information main control module input by user；S2, processor refer to according to focusing
Control motor movement is enabled, and the analog-to-digital conversion voltage value S on potentiometer is obtained after motor has moved；S3, processor judge mould
Whether number conversion voltage value S is equal with preset analog-to-digital conversion voltage value, if so, performing S4；Conversely, perform S5；S4, control electricity
Machine is moved to preset focusing position；S5, control motor carry out shape library processing.By by the analog-to-digital conversion voltage value obtained
Comparison judgement is carried out with preset analog-to-digital conversion voltage value, so as to perform different auto-focusing steps, can be rapidly performed by
Quick auto-focusing meets the requirement of the fast automatic focusing of user.
Description of the drawings
Fig. 1 is a kind of structure diagram of big zoom integrated camera of the present invention；
Fig. 2 is a kind of step flow chart of the autocontrol method of big zoom integrated camera of the present invention.
Specific embodiment
First embodiment
As shown in Figure 1, a kind of big zoom integrated camera, optical lens is equipped with including lens barrel, in the lens barrel, is focused on
Module, main control module, COMS sensor assemblies and rear control plate interface module, the master control mould respectively with COMS sensor assemblies,
Focus module is connected with rear control plate interface module, and the focus module is connect with optical lens；
The focus module carries out fast automatic focusing for optical lens to be controlled to focus according to focusing instruction；
The main control module is used to send focusing instruction analog-to-digital conversion corresponding with preset order of the bit is stored to focus module
Voltage value, and corresponding analog-to-digital conversion voltage value is sent to holder according to the call instruction of presetting bit；
The focus module include automatic focusing unit and Manual focusing unit, the automatic focusing unit include motor,
Potentiometer and processor, the processor are connect respectively with motor and main control module, the potentiometer respectively with processor and electricity
Machine connects, and focusing microscope group is equipped in the optical lens, and the motor is connect with focusing microscope group；
The potentiometer is used to acquire the analog-to-digital conversion voltage value of the working condition of motor, and voltage is transferred to processing
Device；
The automatic focusing unit is used to be instructed the focusing microscope group progress in control optical lens fast automatic according to focusing
Focusing.
The operation principle of above-mentioned video camera is：The COMS sensor assemblies are used to acquire video image and to video image
It is pre-processed；Control plate interface module is used to dock with external function module progress wiring after described；Potentiometer is moved according to motor
Dynamic or rotation different situations export different analog-to-digital conversion voltage values.User can select auto-focusing and manual focus, when
After user has selected auto-focusing, main control module can send information to focus module, and focus module enters certainly after receiving information
Dynamic focal modes, in the present embodiment, processor are FPGA chip circuit plate.Since the video camera integrally synthesizes, not only
Convenient and installation, and in video camera each component practicality agreement it is consistent, avoid the situation that component is incompatible.Into auto-focusing mould
After formula, according to focusing information input by user, can quickly it focus.The information of storage setting presetting bit in main control module,
Because the processing capacity and storage capacity of main control module are more, the presetting bit of holder can be more precisely controlled.
Second embodiment
As shown in Fig. 2, a kind of autocontrol method of big zoom integrated camera, includes the following steps：
C1, focusing self-test is carried out.
Wherein, C1 includes C11~C14：
C11, processor control motor are moved to far ends near ends, and aperture and rear coke are adjusted in moving process.
C12, processor control motor are moved near ends, and obtain the first analog-to-digital conversion voltage value Z1 on potentiometer
Afterwards, control motor carries out shape library processing, so as to obtain the second analog-to-digital conversion voltage value F1.
Wherein, C12 includes step C121~C123：
C121, mobile search is carried out, and calculate image of the motor in mobile each position according to preset moving direction
Definition values, judge whether image clarity values increase, if raising, obtain highest image clarity values and corresponding modulus turns
Change voltage value.
C122, the drop-out value for calculating image clarity values, and be more than in the drop-out value for calculating the image clarity values obtained
During preset first threshold, C123 is performed；Conversely, perform C121.
C123, judge whether highest image clarity values are greater than or equal to preset image clarity values, if so, stopping
Mobile search simultaneously obtains the corresponding second analog-to-digital conversion voltage value F1 of highest image clarity values；Conversely, perform C11.
C13, processor control motor are moved to preset medium position, and obtain the electricity of the third analog-to-digital conversion on potentiometer
After pressure value Z2, control motor carries out shape library processing, so as to obtain the 4th analog-to-digital conversion voltage value F2.The preset middle part
Point midway of the position near ends and far ends.
C14, processor control motor are moved to far ends, and after obtaining the 5th analog-to-digital conversion voltage value Z3 on potentiometer,
Motor is controlled to carry out shape library processing, so as to obtain the 6th analog-to-digital conversion voltage value F3.
C2, focusing instruction is transmitted to processor according to zoom information main control module input by user.
C3, processor instruct control motor movement according to focusing, and the modulus on potentiometer is obtained after motor has moved
Conversion voltage value S.
C4, processor judge whether analog-to-digital conversion voltage value S is equal with preset analog-to-digital conversion voltage value, if so, performing
Step C5；Conversely, perform C6.The step is specially：Processor judges whether analog-to-digital conversion voltage value S is electric with the first analog-to-digital conversion
Pressure value Z1, third analog-to-digital conversion voltage value Z2 or the 5th analog-to-digital conversion voltage value Z3 are equal, if so, performing step C5；Conversely, it holds
Row C6.
C5, control motor are moved to preset focusing position.
Wherein C5 includes step C51~C52：
C51, judge whether number conversion voltage value S is equal to the first analog-to-digital conversion voltage value Z1, if so, control motor is moved to
The corresponding positions of second analog-to-digital conversion voltage value F1；Conversely, perform next step.
C52, judge whether number conversion voltage value S is equal to third analog-to-digital conversion voltage value Z2, if so, control motor is moved to
The corresponding positions of 4th analog-to-digital conversion voltage value F2；Conversely, it is corresponding that motor is controlled to be moved to the 6th analog-to-digital conversion voltage value F3
Position.
C6, control motor carry out shape library processing.
Wherein C6 includes step C61~C67：
C61, judge whether Z1 ＜ S ＜ Z2 are true, if so, perform C62~C64；Conversely, perform C65~C67.
After C62, control motor are moved on the corresponding positions of the second analog-to-digital conversion voltage value F1, judge that image definition is
It is no to be greater than or equal to preset definition values, if so, focusing is completed；Conversely, according to preset moving direction and moving step length into
Row mobile search.
C63, image clarity values of the motor in mobile each position are calculated, and is determining image clarity values raising
When, obtain highest image clarity values and corresponding analog-to-digital conversion voltage value.
C64, the drop-out value for calculating image clarity values, and be more than pre- in the drop-out value for calculating the image clarity values obtained
If first threshold when, motor is moved on the corresponding position of highest image clarity values.
After C65, control motor are moved on the corresponding positions of the 6th analog-to-digital conversion voltage value F3, judge that image definition is
It is no to be greater than or equal to preset definition values, if so, focusing is completed；Conversely, according to preset moving direction and moving step length into
Row mobile search.
C66, image clarity values of the motor in mobile each position are calculated, and is determining image clarity values raising
When, obtain highest image clarity values and corresponding analog-to-digital conversion voltage value.
C67, the drop-out value for calculating image clarity values, and be more than pre- in the drop-out value for calculating the image clarity values obtained
If first threshold when, motor is moved on the corresponding position of highest image clarity values.
The operation principle of the above method is：The first analog-to-digital conversion voltage value Z1, second are obtained respectively in focusing self-test acquisition
Analog-to-digital conversion voltage value Z2 and third analog-to-digital conversion voltage value Z3, according to information input by user, selects different focusing sections,
Focusing can be more quickly finished in this way, and the search range focused covers universe, improves the precision of focusing.
3rd embodiment
The present embodiment be it is further on the basis of embodiment two limited, the difference of the present embodiment is, including
Following steps：
D1, main control module obtain presetting bit setting command, by the data format of presetting bit setting command and preset data
Command format is compared, and judges whether the data format of presetting bit setting command is correct, and after correct judgment, by presetting bit
Corresponding analog-to-digital conversion voltage value is ordered to be stored in preset voltage value memory block.
After D2, main control module receive the call instruction of presetting bit input by user, deposited according to call instruction from voltage value
Analog-to-digital conversion voltage value is obtained in storage area, and analog-to-digital conversion voltage value is sent to holder.
Current presetting bit call instruction is sent directly to holder, and the decoder of holder exports control voltage to drive cloud again
Platform, the precision by this method of the decoder of holder be not high.Above-mentioned method sends original by main control module and is stored in electricity
The analog-to-digital conversion voltage value of pressure value memory block realizes that cradle head preset positions call, improves precision to holder.
It is that the preferable of the present invention is implemented to be illustrated, but the invention is not limited to the implementation above
Example, those skilled in the art can also make various equivalent variations under the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (10)
1. a kind of big zoom integrated camera, which is characterized in that optical lens is equipped with including lens barrel, in the lens barrel, is focused on
Module, main control module, COMS sensor assemblies and rear control plate interface module, the master control mould respectively with COMS sensor assemblies,
Focus module is connected with rear control plate interface module, and the focus module is connect with optical lens；
The focus module carries out fast automatic focusing for optical lens to be controlled to focus according to focusing instruction；
The main control module is used to send focusing instruction analog-to-digital conversion voltage corresponding with preset order of the bit is stored to focus module
Value, and corresponding analog-to-digital conversion voltage value is sent to holder according to the call instruction of presetting bit.
2. a kind of big zoom integrated camera according to claim 1, which is characterized in that the focus module is included certainly
Dynamic focusing unit and Manual focusing unit, the automatic focusing unit include motor, potentiometer and processor, the processor point
Do not connect with motor and main control module, the potentiometer is connect respectively with processor and motor, in the optical lens be equipped with pair
Burnt microscope group, the motor are connect with focusing microscope group；
The potentiometer is used to acquire the analog-to-digital conversion voltage value of the working condition of motor, and voltage is transferred to processor；
The automatic focusing unit is used to the focusing microscope group in control optical lens be instructed to carry out fast automatic focusing according to focusing.
3. a kind of autocontrol method of big zoom integrated camera, which is characterized in that include the following steps：
S1, focusing instruction is transmitted to processor according to zoom information main control module input by user；
S2, processor instruct control motor movement according to focusing, and the analog-to-digital conversion on potentiometer is obtained after motor has moved
Voltage value S；
S3, processor judge whether analog-to-digital conversion voltage value S is equal with preset analog-to-digital conversion voltage value, if so, performing S4；Instead
It, performs S5；
S4, control motor are moved to preset focusing position；
S5, control motor carry out shape library processing.
4. the autocontrol method of a kind of big zoom integrated camera according to claim 3, which is characterized in that also wrap
The self-test step of focusing is included, which includes the following steps：
A1, processor control motor are moved to far ends near ends, and aperture and rear coke are adjusted in moving process；
A2, processor control motor are moved near ends, and after obtaining the first analog-to-digital conversion voltage value Z1 on potentiometer, control
Motor carries out shape library processing, so as to obtain the second analog-to-digital conversion voltage value F1；
A3, processor control motor are moved to preset medium position, and obtain the third analog-to-digital conversion voltage value on potentiometer
After Z2, control motor carries out shape library processing, so as to obtain the 4th analog-to-digital conversion voltage value F2；
A4, processor control motor are moved to far ends, and after obtaining the 5th analog-to-digital conversion voltage value Z3 on potentiometer, control
Motor carries out shape library processing, so as to obtain the 6th analog-to-digital conversion voltage value F3.
5. the autocontrol method of a kind of big zoom integrated camera according to claim 4, which is characterized in that described
Control motor in A2 carries out shape library processing, the step of so as to obtain the second analog-to-digital conversion voltage value F1, specifically include with
Lower step：
A21, mobile search is carried out, and calculate image definition of the motor in mobile each position according to preset moving direction
Value, judges whether image clarity values increase, if raising, obtains highest image clarity values and corresponding analog-to-digital conversion voltage
Value；
A22, the drop-out value for calculating image clarity values, and be more than preset in the drop-out value for calculating the image clarity values obtained
During first threshold, A23 is performed；Conversely, perform A21；
A23, judge whether highest image clarity values are greater than or equal to preset image clarity values, if so, stopping movement
It searches for and obtains the corresponding second analog-to-digital conversion voltage value F1 of highest image clarity values；Conversely, perform A1.
6. the autocontrol method of a kind of big zoom integrated camera according to claim 4, which is characterized in that described
Step S3, specially：Processor judges whether analog-to-digital conversion voltage value S turns with the first analog-to-digital conversion voltage value Z1, third modulus
It changes voltage value Z2 or the 5th analog-to-digital conversion voltage value Z3 is equal, if so, performing S4；Conversely, perform S5.
7. the autocontrol method of a kind of big zoom integrated camera according to claim 4, which is characterized in that described
Step S4, specifically includes following steps：
Judge whether number conversion voltage value S is equal to the first analog-to-digital conversion voltage value Z1, if so, control motor is moved to the second modulus
The corresponding positions of conversion voltage value F1；Conversely, perform next step；
Judge whether number conversion voltage value S is equal to third analog-to-digital conversion voltage value Z2, if so, control motor is moved to the 4th modulus
The corresponding positions of conversion voltage value F2；Conversely, control motor is moved to the corresponding positions of the 6th analog-to-digital conversion voltage value F3.
8. the autocontrol method of a kind of big zoom integrated camera according to claim 4, which is characterized in that described
Step S5, specifically includes following steps：
B1, judge whether Z1 ＜ S ＜ Z2 are true, if so, perform B2~B4；Conversely, perform B5~B7；
After B2, control motor are moved on the corresponding positions of the second analog-to-digital conversion voltage value F1, judge whether image definition is big
In or equal to preset definition values, completed if so, focusing；Conversely, it is moved according to preset moving direction and moving step length
Dynamic search；
B3, image clarity values of the motor in mobile each position are calculated, and when determining image clarity values raising, obtained
Take highest image clarity values and corresponding analog-to-digital conversion voltage value；
B4, the drop-out value for calculating image clarity values, and be more than preset in the drop-out value for calculating the image clarity values obtained
During first threshold, motor is moved on the corresponding position of highest image clarity values；
After B5, control motor are moved on the corresponding positions of the 6th analog-to-digital conversion voltage value F3, judge whether image definition is big
In or equal to preset definition values, completed if so, focusing；Conversely, it is moved according to preset moving direction and moving step length
Dynamic search；
B6, image clarity values of the motor in mobile each position are calculated, and when determining image clarity values raising, obtained
Take highest image clarity values and corresponding analog-to-digital conversion voltage value；
B7, the drop-out value for calculating image clarity values, and be more than preset in the drop-out value for calculating the image clarity values obtained
During first threshold, motor is moved on the corresponding position of highest image clarity values.
9. the autocontrol method of a kind of big zoom integrated camera according to claim 3, which is characterized in that in step
Presetting bit setting steps are additionally provided with before rapid S0, are specifically included：
Main control module obtains presetting bit setting command, by the data format of presetting bit setting command and preset data command form
It is compared, judges whether the data format of presetting bit setting command is correct, and after correct judgment, and preset order of the bit is corresponded to
Analog-to-digital conversion voltage value be stored in preset voltage value memory block.
10. a kind of presetting bit control method of big zoom integrated camera according to claim 9, which is characterized in that
The presetting bit setting steps are further comprising the steps of：
After main control module receives the call instruction of presetting bit input by user, obtained from voltage value memory block according to call instruction
Modulus number conversion voltage value, and analog-to-digital conversion voltage value is sent to holder.
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Cited By (3)
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