CN110018655A - A kind of arc of lighting machine control system - Google Patents
A kind of arc of lighting machine control system Download PDFInfo
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- CN110018655A CN110018655A CN201910238290.6A CN201910238290A CN110018655A CN 110018655 A CN110018655 A CN 110018655A CN 201910238290 A CN201910238290 A CN 201910238290A CN 110018655 A CN110018655 A CN 110018655A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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Abstract
The present invention provides a kind of arc of lighting machine control system, including master cpu, discharge module, motor driven and limit detection module, buzzer, display module, power management module, image capture module, context detection module, keyboard input module and light power meter, the master cpu is electrically connected with discharge module, motor driven and limit detection module, buzzer, display module, power management module, image capture module, context detection module, keyboard input module and light power meter respectively.This arc of lighting machine control system is observed when can be to end face processing process and fructufy, it is ensured that the effect of optical fiber Cheng Duan improves optical fiber into end efficiency, the optical property of guarantee optical fiber connection.
Description
Technical field
The present invention relates to arc of lighting machine field more particularly to a kind of arc of lighting machine control systems.
Background technique
Arc of lighting machine is a kind of fiber end face hot melt processing equipment, has the function using high-temperature electric arc field polished optical fiber end face
Can, not only fiber end face can be polished to by spherical surface by hot melt polishing treatment and eliminate fiber end face cut wound, can also seen in real time
The process for surveying fiber end face polishing is therefore widely used in dress dimension optical fiber cable termination, fibre junction etc..In the prior art
In, since the Control System Design of arc of lighting machine is not perfect, there is a problem of that welding effect is bad.Therefore, a kind of arc of lighting machine is researched and developed
Control system is a urgent problem to be solved.
Summary of the invention
The invention solves the above technical problems, provide a kind of arc of lighting machine control system.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of arc of lighting machine control system, comprising:
Master cpu carries out master control to system；
Discharge module, the high temperature generated using electrion electric arc carries out cleaning to fiber end face and polishing is shaped to circular arc
Shape；
Motor driven and limit detection module, including motor-drive circuit and optoelectronic switch, motor-drive circuit control are double
Pole stepper motor realizes micron-sized accurate control with reduction gearbox cooperation, and optoelectronic switch blocks light beam using detected material
Or reflection, circuit is connected by synchronization loop, thus the presence or absence of detection object；
Buzzer issues prompt tone for system；
Display module, display system data information；
Power management module carries out management of charging and discharging to lithium battery；
Image capture module acquires the image of fiber end face in real time；
Context detection module, the variation of real-time detection environmental parameter are used to correct the parameter of discharge circuit；
Keyboard input module is instructed by the module input system；
Light power meter, with testing in real time molten end result on site.
Further, the CPU is STM32F4 series CPU, and inside has digital camera interface, LCD bus, advanced
PWM generator meets the needs of molten terminal function.
It further, include power boost circuit, high-speed switching circuit, high pressure generator and electricity inside the discharge module
Arc feed circuit, multiple circuits ensure that electrion it is steady point and efficiently.
Further, the display module uses 2.8 cun of TFT liquid crystal displays.
Further, the power management module further includes dynamic electric voltage algorithm voltameter, according only to cell voltage
Calculate the state-of-charge of lithium battery.
Further, described image acquisition module uses one 1/6.5 inch 1,200,000 pixel cmos image sensors
SP1618。
Further, the keyboard input module includes power key, Menu key, LeftArrow, right direction key and runs key,
System further includes a LED state indicator light.
Further, the context detection module includes SHT20 digital hygro sensor and digital gas pressure sensor.
Further, input current is converted to optical signal injection, receiver root again by the optoelectronic switch on transmitter
According to the light received power or whether there is or not detect to target object.
The advantages and positive effects of the present invention are: this arc of lighting machine control system can be to end face processing process and result
Observation in real time, it is ensured that the effect of optical fiber Cheng Duan improves optical fiber into end efficiency, the optical property of guarantee optical fiber connection.
Detailed description of the invention
Fig. 1 is the principle of the present invention block diagram；
Fig. 2 is flow chart of the invention；
Fig. 3 is motor-drive circuit figure；
Fig. 4 is buzzer circuit figure；
Fig. 5 is charging and discharging lithium battery management circuit diagram；
Fig. 6 is dynamic electric voltage algorithm pattern；
Fig. 7 is dynamic electric voltage algorithm under the conditions of different discharge rates, the performance of state-of-charge；
Fig. 8 be in the case that battery is short fill short put, the performance of state-of-charge；
Fig. 9 is keyboard input module circuit diagram.
Specific embodiment
Specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in Figure 1, a kind of arc of lighting machine control system, including master cpu, discharge module, motor driven and limit detection
Module, buzzer, display module, power management module, image capture module, context detection module, keyboard input module and light
Power meter, the master cpu respectively with discharge module, motor driven and limit detection module, buzzer, display module, power supply
Management module, image capture module, context detection module, keyboard input module and light power meter electrical connection.
One, master cpu:
Using digital camera interface, LCD bus, advanced PWM generator is had inside STM32F4 series CPU, meet molten
The demand of terminal function.STM32F4 is a kind of high-performance microcontroller developed by ST (STMicw Electronics).Which employs 90 to receive
The NVM technique and ART (adaptive real-time storage accelerator, Adaptive Real-Time MemoryAccelerator of riceTM)。
ST (STMicw Electronics) is proposed based on ARM®；CortexTM- M4 is the STM32F4 series high-performance microcontroller of kernel
Device, which employs 90 nanometers of NVM technique and ART (adaptive real-time memory accelerator, Adaptive Real-Time
MemoryAcceleratorTM).ART technology executes calling program zero-waiting, the efficiency of program execution is improved, by Cortext-
The performance of M4 performed to it is ultimate attainment so that STM32F4 series can reach 210DMIPS@168MHz.
Adaptive accelerator in real time can discharge the performance of Cortex-M4 kernel completely；When CPU works in all permissions
When frequency (≤168MHz), the program run in a flash memory can achieve the performance for being equivalent to the zero-waiting period.
STM32F4 Series of MCU is integrated with monocycle DSP instruction and FPU (floating point unit, floating-point
Unit), computing capability is improved, the calculating and control of some complexity can be carried out.STM32F4 series pin and software compatibility in
Current STM32F2 series of products.
Advantage:
1, STM32F2 series of products are compatible with, convenient for user's extension of ST or upgrading products, and keep the compatibility energy of hardware
Power.
2, new DSP and FPU instruction are integrated with, the high speed performance of 168MHz applies digital signal controller and quickly
Product development reached new level.Promote the execution speed and code efficiency of control algolithm.
3, advanced technology and technique
1) memory accelerator: adaptive accelerator (ART Accelerator in real timeTM)。
2) multiple ahb bus matrix and multi-channel DMA: support program executes and data transmit parallel processing, data transmission
Rate is very fast.
3) 90nm technique.
4, high-performance
1)210DMIPS@168MHz。
2) due to the ART accelerator using ST, program is equivalent to the more memories of 0 waiting from FLASH operation.
3) up to 1MB FLASH (STM32F4 that 2MB FLASH is released in ST in future plan).
4) 192KB SRAM:128KB is on bus matrix, 64KB advanced peripheral on aiming at the data/address bus that CPU is used
It is compatible with STM32F2.
5) USB OTG high speed 480Mbit/s.
6) IEEE1588, ethernet mac 10/100.
7) PWM high speed timer: 168MHz maximum frequency.
8) encryption/Hash hardware processor: 32 randomizers (RNG).
9) real-time clock of 32 RTC: < 1 μ A with calendar function, 1 second precision.
Two, discharge module:
One of the major function of arc of lighting machine, using electrion electric arc generate high temperature, to fiber end face carry out cleaning and
Polishing is shaped to arc-shaped, and two sides docking completely attaches to fiber core, to reach better communication efficiency.Inside includes electricity
Source booster circuit, high-speed switching circuit, high pressure generator and electric arc feed circuit, multiple circuits ensure that the steady point of electrion
With it is efficient.
Three, motor driven and limit detection module:
Motor-drive circuit is using high integration integration driving IC, it can be achieved that cooperative mechanical again is segmented in 8 times of steppings of highest
Reduction gearbox can realize micron-sized accurate control.
1.A3967SLB is a perfect micro machine driver logic built device.Its design operation bi-pole stepper motor
Entirely, partly, season and the 8th step mode, output driving ability 30V and ± 750 milliamperes of property.When A3967SLB includes a fixed shutdown
Between current regulator, have the ability slow, fastly or hybrid current evanescent mode.This current attenuation control program is audible to reduce
The current noise arrived increases stepping accuracy, and reduces power consumption.A3967SLB, which passes through in simple " stepping " input, inputs one
Pulse motor will generate a step (complete, half, a quarter or eight points, this depends on two logics inputs).Either with or without phase
The interface of position sequence list, high-frequency control line or complexity.The A3967SLB interface is an ideal suitable exploitation, and one multiple
Miscellaneous μ P is that UNAVAIL can over-burden.
2. optoelectronic switch is the abbreviation of photoelectric proximity switch, it be using detected material blocking or reflect to light beam, by
Synchronization loop connects circuit, thus the presence or absence of detection object.Object is not limited to metal, it is all can reflection light (or to light
Have the effect of blocking) object can be detected.Input current is converted to optical signal injection by optoelectronic switch on transmitter, is connect
Device is received further according to the power of the light received or whether there is or not detect to target object.Common optoelectronic switch in security system
Smoke alarm counts the times of exercise of mechanical arm through commonly using it in industry.
Four, buzzer prompts:
Major components using passive buzzer as system sounds part, driving circuit is simple, generates convenient for adjusting
Tone enriches the man-machine interaction mode of system.
Five, display module:
Using 2.8 cun of TFT liquid crystal displays.Resolution ratio: 320*240.It can show Chinese and menu in English.
The characteristics of TFT liquid crystal display is good brightness, contrast is high, stereovision is strong, bright-colored, but there is also compare
Power consumption and the excessively high deficiency of cost.TFT liquid crystal technology accelerates the development of mobile phone color screen.In the colour screen handset of a new generation much all
65536 colors are supported to show, some even supports 160,000 colors to show, the at this moment high contrast of TFT, and coloury advantage is just very
It is important.
Main feature
(1) good using characteristic: low pressure applications, low driving voltage, solidification safety in utilization and reliability improve；Plate
Change, and frivolous, saves a large amount of raw material and use space；Low-power consumption, its power consumption are about 1/10th of CRT monitor,
Reflective TFT-LCD even only 1 percent or so of CRT, saves a large amount of energy；There are also specification types for TFT-LCD product
Number, dimension series, it is numerous in variety, easy to use and flexible, maintenance, update, upgrading be easy, many features such as long service life.
Indication range covers the application range and the big plane of projection of all displays from 1 inch to 40 in inch range, is complete
Size display terminal；Show quality from simplest monochromatic character graphics to high-resolution, high color fidelity, high brightness, height
Contrast, the video display of the various specifications model of high response speed；Display mode has a direct viewing type, projection type, perspective formula,
Have reflective.
(2) environmental protection characteristic is good: radiationless, flicker free, harmless to the health of user.Especially TFT-LCD e-book
The appearance of periodical will bring the mankind into paperless office, print the epoch without paper, cause mankind's study, propagate and record civilized mode
Revolution.
(3) scope of application is wide, from -20 DEG C to+50 DEG C within the temperature range of can normal use, at excess temperature reinforcing
The TFT-LCD low-temperature working temperature of reason can reach subzero 80 DEG C.It can not only be used for mobile terminal to show, terminal console is shown, and can
It is the full-size video display terminal of function admirable to make large-curtain projecting TV set.
(4) high degree of automation of manufacturing technology, large-scale industrial production characteristic are good.TFT-LCD industrial technology is mature,
The yield rate of large-scale production reaches 90% or more.
(5) being easily integrated of TFT-LCD and update are large-scale semiconductive integrated circuit technique and light source technology
It is very big to continue development potentiality for perfect combination.There are amorphous, polycrystalline and monocrystalline silicon TFT-LCD at present, there will be other materials
TFT, existing glass substrate have plastic base again.
Six, power management module
1. charging and discharging lithium battery management:
CN3762 is two section lithium battery Charge Management integrated circuit of PWM decompression mode, independent to carry out to two section lithium batteries
Management, has many advantages, such as that packaging appearance is small, and peripheral component is few and using simple.CN3762 has trickle, and constant current and constant pressure are filled
Power mode is very suitable to lithium battery Charge Management.In constant-voltage charge mode, cell voltage is modulated at 8.4V by CN3762, can also
To be adjusted upward by a non-essential resistance；In constant current charging mode, charging current passes through a non-essential resistance setting.
For the lithium battery of deep discharge, when cell voltage is lower than 66.5% (representative value) of constant-voltage charge voltage,
17.5% pair of battery of the set constant-current charge electric current of CN3762 carries out trickle charge.In constant voltage charging phase, charging electricity
Stream is gradually reduced, and when charging current is reduced to the 16% of constant-current charge electric current, charging terminates.In charging end state, if
Cell voltage drops to the 95.5% of constant-voltage charge voltage, automatically begins to new charge cycle.When input power power down or defeated
When entering voltage lower than cell voltage, CN3762 is automatically into sleep pattern.Other functions include that input low-voltage latches, battery-end
Overvoltage protection.
2. dynamic electric voltage algorithm voltameter
Dynamic electric voltage algorithm voltameter can calculate the state-of-charge of lithium battery according only to cell voltage.This method is according to electricity
Difference between cell voltage and the open-circuit voltage of battery, to estimate the incremental change or decrement of state-of-charge.The letter of dynamic electric voltage
Breath can effectively emulate the behavior of lithium battery, and then determine state-of-charge SOC (%), but the method can not estimate that battery holds
Magnitude (mAh).
Its calculation is according to the dynamic differential between cell voltage and open-circuit voltage, by using iterative algorithm
The state-of-charge increased or decreased every time is calculated, to estimate state-of-charge.Compared to the solution of coulomb measurement Law voltameter,
Dynamic electric voltage algorithm voltameter will not at any time with current accumulation error.Coulomb measurement Law voltameter would generally be because of current sense
Error and self-discharge of battery and cause state-of-charge estimation inaccurate.Even if current sense error is very small, coulomb counter but can
Continue accumulated error, and the error accumulated could only be eliminated in fully charged or complete electric discharge.
Dynamic electric voltage algorithm voltameter is only estimated the state-of-charge of battery by information of voltage；Because it is not by battery
Current information is estimated, so will not accumulated error.To improve the accuracy of state-of-charge, dynamic electric voltage algorithm is needed with real
It is excellent to adjust out one by actual cell voltage profiles according to it in the case where fully charged and complete electric discharge for the device on border
The parameter of the algorithm of change.
Fig. 7 is dynamic electric voltage algorithm under the conditions of different discharge rates, the performance of state-of-charge.As seen from the figure, its lotus
Electricity condition accuracy is good.Whether under the discharging condition of C/2, C/4, C/7 and C/10 etc., the state-of-charge of this method entirety is missed
Difference both less than 3%.
Fig. 8 is shown in that battery is short to be filled in the case of short put, the performance of state-of-charge.State-of-charge error still very little, and most
Big error only has 3%.
Compared to coulomb measurement Law voltameter charged shape would generally be caused because of current sense error and self-discharge of battery
The inaccurate situation of state, it will not be at any time with current accumulation error for dynamic electric voltage algorithm, this is a big advantage.Because no
The information of charge/discharge current, dynamic electric voltage algorithm is poor in short-term accuracy, and the reaction time is slower.In addition, it can not yet
Estimate fully charged capacity.However it is but showed in long-term accuracy well, because cell voltage eventually directly reacts it
State-of-charge.
Seven, Image Acquisition:
This system Image Acquisition part uses one 1/6.5 inch 1,200,000 pixel cmos image sensors.SP1618 is
The 1200000 pixel cmos image sensor chips that the newest research and development of SuperPix are released, the SP1618 of only 1/6.5 inch size can
XVGA, 720P and VGA multiple format image are provided, tablet computer, camera mobile phone, integrated notebook electricity are widely used in
The equipment such as brain camera provide for this kind of product with cost-benefit solution.SP1618, which is based on SuperPix, to be had certainly
The 2nd generation image sensor technologies of main intellectual property and newest 1.75um pixel structure are researched and developed, which has applied
In a plurality of series of products, Market reaction is good.SP1618 has the characteristic of high sensitivity and low-power consumption, newly-increased MIPI interface
Function makes SP1618 can be realized more succinct and low-power consumption data transfer mode, and improved 50Hz/60Hz shaking detection function
It can then can be provided for user and be more clear sharp keen image.
Image procossing:
It is 0 or 255 that the binary conversion treatment of image, which is exactly by the gray value of the point on image, that is, whole image is presented
Apparent black and white effect out.The gray level image of 256 brightness degrees chosen to obtain still can be with by threshold value appropriate
Reflect the whole binary image with local feature of image.In Digital Image Processing, bianry image occupies very importantly
Position, especially in practical image procossing, the system constituted with binary Images Processing realization is very much, Yao Jinhang two-value
The processing and analysis of image, first have to a Binary Sketch of Grey Scale Image, obtain binary image, so to be conducive to do to image
When being further processed, the set property of image is only related with the position of point that pixel value is 0 or 255, does not further relate to the more of pixel
Grade value, makes processing become simple, and data processing and decrement it is small.Ideal bianry image in order to obtain is general to use
The region that closing, the boundary definition being connected to do not overlap.The pixel that all gray scales are greater than or equal to threshold value is judged as belonging to specific
Object, gray value are 255 expressions, and otherwise these pixels are excluded other than object area, gray value 0, indicate background
Or the object area of exception.
Sobel operator
Sobel operator expands its template in edge detection operator, weakens noise as far as possible while edge detection.Its
Template size is 3 × 3, and direction calculus of differences is extracted edge with local weighted averagely combine.Seeking image gradient
Before, it is first weighted and averaged, is not then divided, strengthened to the consistent of noise.Convolution template corresponding to Sobel operator
Are as follows:
After each pixel and level above and vertical two convolution operators in image do convolution algorithm, then it is calculated
Gradient magnitude G (x, y) then chooses threshold tau appropriate, if G (x, y) > τ, (i, j) is marginal point, otherwise, judges (i, j)
For non-edge point.Thus a bianry image { g (i, j) }, i.e. edge image are obtained.Sobel operator is spatially easier
It realizes, preferable edge detection effect is not only generated, simultaneously as keeping its affected by noise which introduce local average
It is smaller.If noise immunity can be more preferable, but also increases calculation amount, and obtained edge is thicker using biggish neighborhood.Right
Required precision is not under very high occasion, and Sobel operator is a kind of more common edge detection algorithm.
Eight, keyboard inputs:
System human-computer interaction is using 5 independent keys and a status indicator lamp.
1. power key: being used for forced shutdown when switching on and shutting down and the system failure；
2. Menu key: for switching the display page；
3. LeftArrow: for selecting icon and changing system parameter；
4. right direction key: for selecting icon and changing system parameter；
5. operation key: for confirming parameter and the molten end work of starting；
6.LED status lamp: for indicating system running state and fault cues.
Nine, light power meter:
This system is internally integrated a miniature light power meter, with testing in real time molten end result on site, facilitates
User's construction, avoids the puzzlement that user carries large scale equipment every time.
Ten, environment measuring:
Acquisition project includes temperature, humidity and air pressure, because the variation electrical discharge arc of the temperature humidity of air and pressure
Size can also change therewith with temperature, so to change the parameter for being used to correct discharge circuit in real-time detection environmental parameter,
To which stable discharging obtains reliably molten end effect.
1. temperature and humidity:
Using Switzerland Sensirion digital hygro sensor SHT20；SHT20 digital hygro sensor is SHT21 temperature
The high product of a cost performance in humidity sensor series, in the millions, and application field is extensive for dosage.Such sensor is applicable in
In extremely sensitive to cost but the mass production of emphasis quality industry.
Digital hygro sensor SHT20 is Sensirion humidity of new generation and temperature sensor in size and intelligence side
Face establishes new standard: it, which is embedded in, encapsulates suitable for the Dual Flat of Reflow Soldering without pin DFN, bottom surface 3x 3mm, height
1.1mm.Digital signal of the sensor output by calibration, standard I2C format.
SHT21 is furnished with a brand-new designChip, an improved condenser type humidity sensing element
With the energy gap temperature-sensing element of a standard, performance greatly promoted or even had exceeded prior-generation sensor (SHT1x and
SHT7x reliability level).For example, humidity sensor of new generation, having already passed through improvement makes its performance under high humidity environment more
Stablize.
Each sensor is by calibration and test.It is printed on batch number in product surface, while being stored in the chip
Electronic identification code-can pass through input order and read these identification codes.In addition, the resolution ratio of SHT20 can be ordered by input
Order is changed (RH/T of 8/12bit or even 12/14bit), and sensor can detecte battery low-electricity quantity state, and export
It verifies and helps to improve the reliability of communication.
Due to having done improvement to sensor and micromation improves, its cost performance is higher-and final all devices
It all will benefit from the energy conservation model at tip.A new test bag EK-H4 can be used to test SHT20.
Digital hygro sensor SHT20 sensor chip
SHT20 is furnished with 4C generationChip.In addition to being furnished with Relative Humidity Sensor and energy gap temperature sensing
Outside device, which also includes an amplifier, A/D converter, OTP memory and digital processing element.
Digital hygro sensor SHT20 material is constituted
Sensor itself is made of silicon, and the shell of sensor is by gold plated copper lead frame and green epoxy resin based molding compound
It is made.The device therefore, complies fully with ROHS and WEEE standard without lead, cadmium and mercury-.
SHT20- novel humidity sensor (humidity & temperature)
Smallest size of humidity sensor can meet a variety of condition application SHT20 Temperature Humidity Sensors for sensing element, mark
Memory and digital Interface integration are determined on the substrate of 3x3mm, in addition, sensor also provides the recognition and tracking information of electronics.It removes
Sensing element part, sensor appearance is using overmolded, it is possible to reduce sensor is shaken by extraneous factor such as aging, volatilization
The influence of property chemical gas, guarantees that its is with good stability.
2. digital gas pressure sensor:
High-precision baroceptor is usually that vacuum cavity and wheatstone are processed on monocrystalline silicon piece using MEMS technology
Electric bridge, Wheatstone bridge bridge arm.The output voltage at both ends and the pressure of application are directly proportional, have after temperature-compensating and calibration
Small in size, precision is high, fast response time, feature independent of temperature variations.The way of output be generally analog voltage output and
Digital signal exports two kinds, and wherein the digital signal way of output is mainstream in the market due to easy to connect with single-chip microcontroller.
The embodiments of the present invention have been described in detail above, but content is only the preferred embodiment of the present invention,
It should not be considered as limiting the scope of the invention.All changes and improvements made in accordance with the scope of the present invention, should all
It still belongs within this patent covering scope.
Claims (9)
1. a kind of arc of lighting machine control system characterized by comprising
Master cpu carries out master control to system；
Discharge module, the high temperature generated using electrion electric arc carries out cleaning to fiber end face and polishing is shaped to arc-shaped；
Motor driven and limit detection module, including motor-drive circuit and optoelectronic switch, motor-drive circuit control bipolar step
Into motor, optoelectronic switch connects circuit by synchronization loop, detection object has using detected material blocking or reflect to light beam
Nothing；
Buzzer issues prompt tone for system；
Display module, display system data information；
Power management module carries out management of charging and discharging to lithium battery；
Image capture module acquires the image of fiber end face in real time；
Context detection module, the variation of real-time detection environmental parameter are used to correct the parameter of discharge circuit；
Keyboard input module is instructed by the module input system；
Light power meter, with testing in real time molten end result on site.
2. a kind of arc of lighting machine control system according to claim 1, it is characterised in that: the CPU is STM32F4 series
CPU, inside have digital camera interface, LCD bus, advanced PWM generator.
3. a kind of arc of lighting machine control system according to claim 1 or 2, it is characterised in that: packet inside the discharge module
Containing power boost circuit, high-speed switching circuit, high pressure generator and electric arc feed circuit.
4. a kind of arc of lighting machine control system according to claim 1, it is characterised in that: the display module uses 2.8 cun
TFT liquid crystal display.
5. a kind of arc of lighting machine control system according to claim 3, it is characterised in that: the power management module further includes
Dynamic electric voltage algorithm voltameter, the state-of-charge of lithium battery can be calculated according only to cell voltage.
6. a kind of arc of lighting machine control system according to claim 1, it is characterised in that: described image acquisition module uses one
1/6.5 inch of 1,200,000 pixel cmos image sensor SP1618.
7. a kind of arc of lighting machine control system according to claim 4, it is characterised in that: the keyboard input module includes electricity
Source key, Menu key, LeftArrow, right direction key and operation key, system further includes a LED state indicator light.
8. a kind of arc of lighting machine control system according to claim 5, it is characterised in that: the context detection module includes
SHT20 digital hygro sensor and digital gas pressure sensor.
9. a kind of arc of lighting machine control system according to claim 1, it is characterised in that: the optoelectronic switch is by input current
Be converted on transmitter optical signal injection, receiver further according to the light received power or whether there is or not carry out to target object
Detection.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110488419A (en) * | 2019-09-26 | 2019-11-22 | 南京迪威普光电技术股份有限公司 | A kind of optical fiber welding terminal of two-dimensional imaging |
| CN111538478A (en) * | 2020-04-20 | 2020-08-14 | 佳缘科技股份有限公司 | Method for improving randomness of output sequence |
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Application publication date: 20190716 |