CN114727014B - Split-plate focusing system, control method and storage medium - Google Patents

Split-plate focusing system, control method and storage medium Download PDF

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Publication number
CN114727014B
CN114727014B CN202210276482.8A CN202210276482A CN114727014B CN 114727014 B CN114727014 B CN 114727014B CN 202210276482 A CN202210276482 A CN 202210276482A CN 114727014 B CN114727014 B CN 114727014B
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plate
focusing
focused
split
module
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CN114727014A (en
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程阳
刘伟
袁孝亮
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Chengdu Lianzhou International Technology Co ltd
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Chengdu Lianzhou International Technology Co ltd
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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
    • H04N23/675—Focus control based on electronic image sensor signals comprising setting of focusing regions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H04N17/002—Diagnosis, testing or measuring for television systems or their details for television cameras
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Studio Devices (AREA)

Abstract

The invention relates to the technical field of focusing test and discloses a split-plate focusing system, a control method and a storage medium, wherein the system comprises a control module, an auxiliary focusing module and a plate to be focused controlled by the control module, and the control module and the plate to be focused are respectively connected with the auxiliary focusing module; the auxiliary focusing module comprises a first switch piece and a photoelectric detection unit, wherein the first end of the first switch piece is connected with an external power supply, the second end of the first switch piece is connected with the power input end of the plate to be focused, the controlled end of the first switch piece is connected with the photoelectric detection unit, and the photoelectric detection unit is used for detecting the position of the plate to be focused and outputting a turn-on signal or turn-off signal to the controlled end of the first switch piece. The system can reduce waiting time in the focusing process and improve focusing efficiency.

Description

Split-plate focusing system, control method and storage medium
Technical Field
The present invention relates to the field of focusing testing technologies, and in particular, to a split focusing system, a control method, and a storage medium.
Background
At present, two parts of imaging and processing of an IPC (Internet protocol Camera) product are arranged on a PCB, and only the PCB is replaced during focusing. With miniaturization of devices, factors such as performance and heat dissipation are comprehensively considered, and an Image Sensor (Image Sensor) and an SOC (System on Chip) are required to be designed in a split manner, and a PCB board where the Image Sensor and a peripheral circuit thereof are located is a Sensor board.
When the power panel, the main board and the sensor board are assembled for debugging every time when the power panel and the main board are required to be displayed for focusing. However, if the sensor board is plugged in and out with electricity each time after assembly, there is a problem in that the device is burned out and the program is broken. In order to avoid the phenomena that a device is burnt out and a program is crashed by hot plug of a sensor board, the sensor board is replaced by power-off every time in the prior art, and then the power-on is restarted, and debugging is carried out after software initialization is waited.
In summary, the focusing process in the prior art has long waiting time, resulting in low focusing efficiency.
Disclosure of Invention
The invention provides a split-plate focusing system, a control method and a storage medium, which are used for reducing waiting time in a focusing process and improving focusing efficiency.
In order to solve the technical problems, the invention provides a split focusing system, which comprises a control module, an auxiliary focusing module and a focusing plate to be controlled by the control module, wherein the control module and the focusing plate to be controlled are respectively connected with the auxiliary focusing module;
the auxiliary focusing module comprises a first switch piece and a photoelectric detection unit, wherein the first end of the first switch piece is connected with an external power supply, the second end of the first switch piece is connected with the power input end of the plate to be focused, the controlled end of the first switch piece is connected with the photoelectric detection unit, and the photoelectric detection unit is used for detecting the position of the plate to be focused and outputting a turn-on signal or turn-off signal to the controlled end of the first switch piece.
Preferably, the control module is configured to:
outputting a signal flow to enable the plate to be focused to perform focusing test when the plate to be focused is judged to be connected to the auxiliary focusing module;
judging whether the focusing test meets the standard, if so, writing test data into a preset memory; if not, returning to the step of judging whether the focusing test meets the standard.
Preferably, the photoelectric detection unit comprises a photoelectric sensor, a trigger and a second switch element, wherein the output end of the photoelectric sensor is connected with the input end of the trigger, the photoelectric sensor is used for detecting the position of the plate to be focused and outputting detection signals to the trigger, the output end of the trigger is connected with the controlled end of the second switch element, the first end of the second switch element is grounded, and the second end of the second switch element is connected with the controlled end of the first switch element.
Preferably, the system further comprises a clamp, wherein the photoelectric sensor and the plate to be focused are arranged on the clamp, and the plate to be focused is used for shielding the photoelectric sensor so that the photoelectric sensor outputs detection signals.
Preferably, the second switch element is an NPN transistor, the controlled end of the second switch element is a base electrode of the transistor, the first end of the second switch element is an emitter electrode of the transistor, and the second end of the second switch element is a collector electrode of the transistor.
Preferably, the first switch element is a P-channel field effect transistor, the first end of the first switch element is a source electrode of the field effect transistor, the second end of the first switch element is a drain electrode of the field effect transistor, and the controlled end of the first switch element is a gate electrode of the field effect transistor.
Preferably, the auxiliary focusing module further comprises a protection unit, the protection unit comprises a protection capacitor and a protection resistor, a first end of the protection capacitor is connected with a first end of the first switch piece, a second end of the protection capacitor is connected with a controlled end of the first switch piece, and two ends of the protection resistor are respectively connected with two ends of the protection capacitor.
Preferably, the control module is configured to:
repeatedly acquiring equipment data in a register of a plate to be focused;
and when the equipment data are acquired, judging that the plate to be focused is connected to the auxiliary focusing module.
Preferably, the determining whether the focusing test meets the standard includes:
receiving an image signal sent by the plate to be focused, and acquiring an MTF value corresponding to the image signal;
judging whether the MTF value is larger than or equal to a set value, if so, judging that the focusing test meets the standard; if not, judging that the focusing test does not reach the standard.
Preferably, after the writing of the test data into the preset memory, the control module is further configured to:
marking the variable mark position 1 and stopping outputting the signal flow;
returning to the step of stopping outputting the signal flow when the plate to be focused is judged to be connected to the auxiliary focusing module and the variable flag bit is 1;
and when the plate to be focused is not connected to the auxiliary focusing module or the variable flag bit is not 1, returning the variable flag bit to 0, and returning to the step of repeatedly acquiring the equipment data in the register of the plate to be focused.
In a second aspect, the present invention provides a method for controlling a split focusing system, which is implemented based on the split focusing system as described in any one of the above, and includes:
outputting a signal flow to enable the plate to be focused to perform focusing test when the plate to be focused is judged to be connected to the auxiliary focusing module;
judging whether the focusing test meets the standard, if so, writing test data into a preset memory; if not, returning to the step of judging whether the focusing test meets the standard.
In a third aspect, the present invention further provides a computer readable storage medium, where the computer readable storage medium includes a stored computer program, where when the computer program runs, the control method for controlling the split-plate focusing system according to any one of the above is performed by a device where the computer readable storage medium is located.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a split-plate focusing system which comprises a control module, an auxiliary focusing module and a plate to be focused controlled by the control module, wherein the control module and the plate to be focused are respectively connected with the auxiliary focusing module; the auxiliary focusing module comprises a first switch piece and a photoelectric detection unit, wherein the first end of the first switch piece is connected with an external power supply, the second end of the first switch piece is connected with the power input end of the plate to be focused, the controlled end of the first switch piece is connected with the photoelectric detection unit, and the photoelectric detection unit is used for detecting the position of the plate to be focused and outputting a turn-on signal or turn-off signal to the controlled end of the first switch piece. The control module in the system always works without repeatedly loading a program process, so that quick batch focusing is realized, and focusing efficiency is improved; and meanwhile, after the focusing plate is taken out from the clamp, the auxiliary focusing module automatically cuts off the power of the focusing plate, and then the focusing plate is inserted and pulled out, so that the device can be prevented from being burnt out.
Drawings
FIG. 1 is a schematic diagram of a split-plate focusing system according to an embodiment of the present invention;
FIG. 2 is a schematic circuit diagram of an auxiliary focusing module according to a preferred embodiment of the present invention;
FIG. 3 is a schematic circuit diagram of a photosensor according to a preferred embodiment of the present invention;
FIG. 4 is a schematic circuit diagram of a flip-flop provided in a preferred embodiment of the present invention;
fig. 5 is a flowchart of a control method of a split-plate focusing system according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, a first embodiment of the present invention provides a split-plate focusing system, which includes a control module, an auxiliary focusing module, and a plate to be focused controlled by the control module, wherein the control module and the plate to be focused are respectively connected with the auxiliary focusing module; the auxiliary focusing module comprises a first switch piece and a photoelectric detection unit, wherein the first end of the first switch piece is connected with an external power supply, the second end of the first switch piece is connected with the power input end of the plate to be focused, the controlled end of the first switch piece is connected with the photoelectric detection unit, and the photoelectric detection unit is used for detecting the position of the plate to be focused and outputting a turn-on signal or turn-off signal to the controlled end of the first switch piece.
Referring to fig. 2 to 4, in one embodiment, the photoelectric detection unit includes a photoelectric sensor J3, a trigger U1, and a second switching element Q2, where an output end of the photoelectric sensor J3 is connected to an input end of the trigger U1, the photoelectric sensor J3 is configured to detect a position of a plate to be focused and output a detection signal to the trigger U1, an output end of the trigger U1 is connected to a controlled end of the second switching element Q2, a first end of the second switching element Q2 is grounded, and a second end of the second switching element Q2 is connected to a controlled end of the first switching element Q1.
Further, the system further comprises a clamp, the photoelectric sensor J3 and a plate to be focused are arranged on the clamp, and the plate to be focused is used for shielding the photoelectric sensor J3 so that the photoelectric sensor J3 outputs a detection signal. Illustratively, the transmitting end and the receiving end of the photoelectric sensor J3 are respectively installed at two sides of the clamp, when the plate to be focused is connected with the auxiliary focusing module, and then installed on the clamp, the photoelectric sensor J3 is shielded by the plate to be focused, the auxiliary focusing module outputs a conduction signal, and power supply to the plate to be focused is started.
It should be noted that, the control module includes a main board for burning the special program and a software module for executing the program, the auxiliary focusing module includes an auxiliary focusing board, and the board to be focused can be a sensor board. The auxiliary focusing board is provided with a board-to-board connector corresponding to the main board and the sensor board, and is used for transmitting signals between the main board and the sensor board, detecting whether the sensor board is installed in place or not and supplying power to the sensor board. When the device is used, the main board can be directly arranged on the auxiliary focusing board, and the sensor board is connected through the FPC (Flexible Printed Circuit) and is convenient to put in and take out from the clamp.
Referring to fig. 2, specifically, the first switching element Q1 is a P-channel field effect transistor, and the first end of the first switching element Q1 is a source electrode of the field effect transistor and is connected with an external power supply; the second end of the first switch piece Q1 is a drain electrode of a field effect transistor and is connected with the power input end of the plate to be focused; the controlled end of the first switch element Q1 is the grid electrode of the field effect transistor. The second switch piece Q2 is an NPN triode, the controlled end of the second switch piece Q2 is a base electrode of the triode, and the controlled end of the second switch piece Q2 is connected with the output end of the trigger U1; the first end of the second switch piece Q2 is an emitter of a triode and is directly grounded; the second end of the second switch piece Q2 is a collector electrode of a triode and is connected with a grid electrode of the field effect tube.
Referring to fig. 3 and 4, the trigger U1 is a schmitt trigger U1, the photosensor J3 outputs an os_out signal after being blocked by a sensor board on the fixture, and a high level is stably output through the trigger U1 and is used for turning on the second switching element Q2. At this time, the output terminal power_switch of the trigger U1 is 1, the DETECT terminal of the second Switch Q2 is 0, the first Switch Q1 is turned on, and the auxiliary focusing module supplies Power to the sensor board. When the Sensor board is taken out of the clamp, the output end Power_Switch of the trigger U1 is 0, the detection end of the second Switch piece Q2 is 1, the auxiliary focusing module is powered off, and the Sensor board is powered off.
Referring to fig. 2, the auxiliary focusing module further includes a protection unit, the protection unit includes a protection capacitor C40 and a protection resistor R2, a first end of the protection capacitor C40 is connected with a source electrode of the first switch Q1, a second end of the protection capacitor C40 is connected with a gate electrode of the first switch Q1, and two ends of the protection resistor R2 are respectively connected with two ends of the protection capacitor C40. When the first switch element Q1 is turned on or turned off, the capacitor can play a role of buffering, and the whole circuit is further protected.
Referring to fig. 2, in an embodiment, the auxiliary focusing module further includes a first buffer unit and a second buffer unit, the first buffer unit includes a capacitor C35 and a capacitor C36, a first end of the capacitor C35 is connected to an external power source, a second end of the capacitor C35 is grounded, and two ends of the capacitor C36 are connected to two ends of the capacitor C35, that is, the capacitor C35 and the capacitor C36 are connected in parallel. The second buffer unit comprises a capacitor C37, a capacitor C38 and a resistor R9, wherein a first end of the capacitor C37 is connected with the drain electrode of the first switch piece Q1, a second end of the capacitor C37 is grounded, two ends of the capacitor C38 are respectively connected with two ends of the capacitor C37, and two ends of the resistor R9 are respectively connected with two ends of the capacitor C37, namely, the capacitor C37, the capacitor C38 and the resistor R9 are connected in parallel. The two buffer units are respectively arranged at the connection parts of the external power supply and the power supply of the plate to be focused, and can play a role in buffering when the plate to be focused is pulled out and plugged, so that the whole circuit is further protected.
In this embodiment, the control module is configured to:
outputting a signal flow to enable the plate to be focused to perform focusing test when the plate to be focused is judged to be connected to the auxiliary focusing module;
judging whether the focusing test meets the standard, if so, writing test data into a preset memory; if not, returning to the step of judging whether the focusing test meets the standard.
It should be noted that the signal stream may be a video stream, which is used to test whether focusing meets standards. In this embodiment, the control module is configured to repeatedly acquire device data in a register of a board to be focused, and determine that the board to be focused is connected to the auxiliary focusing module when the device data is acquired. Specifically, the main board repeatedly acquires device data from a register of a sensor fixed address through an IIC (Inter-Integrated Circuit, integrated circuit bus), if the device data is not acquired, the main board is judged to be accessed without the sensor board, and the main board continuously waits; if the device data is acquired, the sensor board is accessed, and the test process is started.
Further, the judging whether the focusing test meets the standard or not includes:
receiving an image signal sent by the plate to be focused, and acquiring an MTF value corresponding to the image signal;
judging whether the MTF value is larger than or equal to a set value, if so, judging that the focusing test meets the standard; if not, judging that the focusing test does not reach the standard.
The MTF value (Modulation Transfer Function ) is a comparatively scientific method for analyzing the resolution of a lens, and is measured in terms of how many lines can be represented within a range of one mm, and the units are expressed in line/mm. In the test process, the main board starts an image process to acquire MIPI (Mobile Industry Processor Interface, real estate processor interface) interface data of the sensor board, namely image signals, and then the image signals are transmitted to a software module, and the software module can be loaded at a PC end and display the state of the special focusing chart card photographed at present in real time. Meanwhile, the user makes the image clear by manually rotating the lens, thereby increasing the MTF value. And when the MTF value is larger than or equal to the set value, the MTF value reaches the standard, and the software module returns the MTF value to the main board at the moment and writes the MTF value into a preset memory as test data. The preset memory can be EEPROM (Electrically erasable Programmable read only memory, charged erasable programmable read-only memory).
In a preferred embodiment, after the test data is written into the preset memory, the control module is further configured to monitor whether the prototype having completed focusing is removed, and specifically includes:
marking the variable mark position 1 and stopping outputting the signal flow;
returning to the step of stopping outputting the signal flow when the plate to be focused is judged to be connected to the auxiliary focusing module and the variable flag bit is 1;
and when the plate to be focused is not connected to the auxiliary focusing module or the variable flag bit is not 1, returning the variable flag bit to 0, and returning to the step of repeatedly acquiring the equipment data in the register of the plate to be focused.
Wherein, the variable Flag bit is Flag, and Flag has only two values of 1 (rising) and 0 (falling). After one test, the control module marks position 1 with the variable and stops outputting signal flow, and the user can move out the prototype after focusing is completed. When the plate to be focused is judged to be connected to the auxiliary focusing module and the variable flag bit is 1, the step that the prototype is not completely moved out and needs to wait for returning to the stop output signal flow is described; when the plate to be focused is not connected to the auxiliary focusing module or the variable flag bit is not 1, the fact that the prototype is completely moved out at the moment is indicated, the variable flag bit is 0, the step of repeatedly acquiring the equipment data in the register of the plate to be focused is returned, and then the next test is started. Through the process, whether the sample machine with focusing completed moves out or not can be automatically monitored, and focusing efficiency is further improved.
According to the split-plate focusing system provided by the embodiment, the control module works all the time without repeatedly loading a program process, so that quick batch focusing is realized, and focusing efficiency is improved; and meanwhile, after the focusing plate is taken out from the clamp, the auxiliary focusing module automatically cuts off the power of the focusing plate, and then the focusing plate is inserted and pulled out, so that the device can be prevented from being burnt out.
Referring to fig. 5, a second embodiment of the present invention provides a control method of a split-panel focusing system, including the following steps:
and S11, outputting a signal flow to enable the plate to be focused to perform focusing test when the plate to be focused is judged to be connected to the auxiliary focusing module.
S12, judging whether the focusing test meets the standard, if so, writing test data into a preset memory; if not, returning to the step of judging whether the focusing test meets the standard.
Preferably, the method further comprises:
repeatedly acquiring equipment data in a register of a plate to be focused;
and when the equipment data are acquired, judging that the plate to be focused is connected to the auxiliary focusing module.
Preferably, the determining whether the focusing test meets the standard includes:
receiving an image signal sent by the plate to be focused, and acquiring an MTF value corresponding to the image signal;
judging whether the MTF value is larger than or equal to a set value, if so, judging that the focusing test meets the standard; if not, judging that the focusing test does not reach the standard.
Preferably, after the writing of the test data into the preset memory, the method comprises:
marking the variable mark position 1 and stopping outputting the signal flow;
returning to the step of stopping outputting the signal flow when the plate to be focused is judged to be connected to the auxiliary focusing module and the variable flag bit is 1;
and when the plate to be focused is not connected to the auxiliary focusing module or the variable flag bit is not 1, returning the variable flag bit to 0, and returning to the step of repeatedly acquiring the equipment data in the register of the plate to be focused.
It should be noted that, the control method of the split-plate focusing system provided by the embodiment of the present invention is executed by the split-plate focusing system of the above embodiment, and the working principles and beneficial effects of the two correspond one to one, so that the description is omitted.
The embodiment of the invention also provides a computer readable storage medium. The computer readable storage medium includes a stored computer program, where the computer program controls a device in which the computer readable storage medium is located to execute the method for controlling the split-plate focusing system according to the above embodiment when the computer program runs.
The computer program may be divided into one or more modules/units, which are stored in the memory and executed by the processor to accomplish the present invention, for example. The one or more modules/units may be a series of computer program instruction segments capable of performing the specified functions, which instruction segments describe the execution of the computer program in the device.
The device may be a desktop computer, a notebook, a palm computer, a tablet, or other computing device. The device may include, but is not limited to, a processor, a memory.
The processor may be a central processing unit (Central Processing Unit, CPU), other general purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), off-the-shelf programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like that is a control center of the device, connecting the various parts of the overall device using various interfaces and lines.
The memory may be used to store the computer program and/or modules, and the processor may implement various functions of the device by running or executing the computer program and/or modules stored in the memory, and invoking data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program (such as a sound playing function, an image playing function, etc.) required for at least one function, and the like; the storage data area may store data (such as audio data, phonebook, etc.) created according to the use of the handset, etc. In addition, the memory may include high-speed random access memory, and may also include non-volatile memory, such as a hard disk, memory, plug-in hard disk, smart Media Card (SMC), secure Digital (SD) Card, flash Card (Flash Card), at least one disk storage device, flash memory device, or other volatile solid-state storage device.
Wherein the device integrated modules/units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the present invention may implement all or part of the flow of the method of the above embodiment, or may be implemented by a computer program to instruct related hardware, where the computer program may be stored in a computer readable storage medium, and when the computer program is executed by a processor, the computer program may implement the steps of each of the method embodiments described above. Wherein the computer program comprises computer program code which may be in source code form, object code form, executable file or some intermediate form etc. The computer readable medium may include: any entity or device capable of carrying the computer program code, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer Memory, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), an electrical carrier signal, a telecommunications signal, a software distribution medium, and so forth. It should be noted that the computer readable medium contains content that can be appropriately scaled according to the requirements of jurisdictions in which such content is subject to legislation and patent practice, such as in certain jurisdictions in which such content is subject to legislation and patent practice, the computer readable medium does not include electrical carrier signals and telecommunication signals.
It should be noted that the embodiments described above are merely illustrative, and the units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. In addition, in the drawings of the embodiments provided by the invention, the connection relation between the modules represents that the modules have communication connection therebetween, and can be specifically implemented as one or more communication buses or signal lines. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
The foregoing embodiments have been provided for the purpose of illustrating the general principles of the present invention, and are not to be construed as limiting the scope of the invention. It should be noted that any modifications, equivalent substitutions, improvements, etc. made by those skilled in the art without departing from the spirit and principles of the present invention are intended to be included in the scope of the present invention.

Claims (10)

1. The split-plate focusing system is characterized by comprising a control module, an auxiliary focusing module and a plate to be focused controlled by the control module, wherein the control module and the plate to be focused are respectively connected with the auxiliary focusing module;
the auxiliary focusing module comprises a first switch piece and a photoelectric detection unit, wherein the first end of the first switch piece is connected with an external power supply, the second end of the first switch piece is connected with the power input end of the plate to be focused, the controlled end of the first switch piece is connected with the photoelectric detection unit, and the photoelectric detection unit is used for detecting the position of the plate to be focused and outputting a turn-on signal or turn-off signal to the controlled end of the first switch piece;
the control module is configured to:
repeatedly acquiring equipment data in a register of a plate to be focused;
when the equipment data are acquired, judging that the plate to be focused is connected with the auxiliary focusing module;
outputting a signal flow to enable the plate to be focused to perform focusing test when the plate to be focused is judged to be connected to the auxiliary focusing module;
judging whether the focusing test meets the standard, if so, writing test data into a preset memory; if not, returning to the step of judging whether the focusing test meets the standard.
2. The split-plate focusing system according to claim 1, wherein the photoelectric detection unit comprises a photoelectric sensor, a trigger and a second switch element, wherein an output end of the photoelectric sensor is connected with an input end of the trigger, the photoelectric sensor is used for detecting a position of the plate to be focused and outputting a detection signal to the trigger, an output end of the trigger is connected with a controlled end of the second switch element, a first end of the second switch element is grounded, and a second end of the second switch element is connected with a controlled end of the first switch element.
3. The split-panel focusing system according to claim 2, further comprising a jig, wherein the photoelectric sensor and the plate to be focused are provided on the jig, and the plate to be focused is configured to shield the photoelectric sensor so that the photoelectric sensor outputs a detection signal.
4. The split-plate focusing system according to claim 2, wherein the second switching element is an NPN transistor, the controlled end of the second switching element is a base of the transistor, the first end of the second switching element is an emitter of the transistor, and the second end of the second switching element is a collector of the transistor.
5. The split-plate focusing system of claim 1, wherein the first switch element is a P-channel field effect transistor, a first end of the first switch element is a source electrode of the field effect transistor, a second end of the first switch element is a drain electrode of the field effect transistor, and a controlled end of the first switch element is a gate electrode of the field effect transistor.
6. The split focusing system according to claim 1, wherein the auxiliary focusing module further comprises a protection unit, the protection unit comprises a protection capacitor and a protection resistor, a first end of the protection capacitor is connected with a first end of the first switch element, a second end of the protection capacitor is connected with a controlled end of the first switch element, and two ends of the protection resistor are respectively connected with two ends of the protection capacitor.
7. The split focusing system according to claim 1, wherein said determining whether the focusing test meets the standard comprises:
receiving an image signal sent by the plate to be focused, and acquiring an MTF value corresponding to the image signal;
judging whether the MTF value is larger than or equal to a set value, if so, judging that the focusing test meets the standard; if not, judging that the focusing test does not reach the standard.
8. The split-panel focusing system of claim 1, wherein after the writing of the test data to the preset memory, the control module is further configured to:
marking the variable mark position 1 and stopping outputting the signal flow;
returning to the step of stopping outputting the signal flow when the plate to be focused is judged to be connected to the auxiliary focusing module and the variable flag bit is 1;
and when the plate to be focused is not connected to the auxiliary focusing module or the variable flag bit is not 1, returning the variable flag bit to 0, and returning to the step of repeatedly acquiring the equipment data in the register of the plate to be focused.
9. A control method of a split focusing system, based on the split focusing system according to any one of claims 1 to 8, characterized in that the method comprises:
repeatedly acquiring equipment data in a register of a plate to be focused;
when the equipment data are acquired, judging that the plate to be focused is connected with the auxiliary focusing module;
outputting a signal flow to enable the plate to be focused to perform focusing test when the plate to be focused is judged to be connected to the auxiliary focusing module;
judging whether the focusing test meets the standard, if so, writing test data into a preset memory; if not, returning to the step of judging whether the focusing test meets the standard.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium comprises a stored computer program, wherein the computer program, when run, controls a device in which the computer-readable storage medium is located to execute the method of controlling the split-plate focusing system according to claim 9.
CN202210276482.8A 2022-03-21 2022-03-21 Split-plate focusing system, control method and storage medium Active CN114727014B (en)

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