CN108906916B - Method and device for detecting drawing wire diameter of high-frequency silver-plated wire - Google Patents
Method and device for detecting drawing wire diameter of high-frequency silver-plated wire Download PDFInfo
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- CN108906916B CN108906916B CN201811010643.9A CN201811010643A CN108906916B CN 108906916 B CN108906916 B CN 108906916B CN 201811010643 A CN201811010643 A CN 201811010643A CN 108906916 B CN108906916 B CN 108906916B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses a method and a device for detecting the drawing wire diameter of a high-frequency silver-plated wire, which comprise a main wheel and a slave wheel, wherein the main wheel and the slave wheel are arranged on a wire diameter detection base, the drawing wire is pulled through between the main wheel and the slave wheel, the slave wheel is elastically pressed on the drawing wire, the slave wheel is connected with a transmission rod, the transmission rod is connected with a swinging shaft through a transmission shaft, the front end of the swinging shaft is provided with a tooth block, the tooth block is meshed with a large gear, and the large gear is meshed with a small gear; the pinion is meshed with a sliding tooth block, the upper part of the sliding tooth block is connected with a movable window, and the center of the movable window is aligned with a light emitting diode; the invention has the advantages that the technical structure is compact, the invention can be arranged at the drawing outlet, the patent uses a precision mechanical mode, a precision operational amplifier and software to precisely operational amplify the thickness change of the wire diameter, so that the error of the wire diameter can be accurately detected by using an optical electric signal, and the wire diameter error can be displayed, alarmed and corrected.
Description
Technical Field
The invention relates to a wire drawing technology, in particular to a method and a device for detecting the drawing wire diameter of a high-frequency silver-plated wire.
Background
In the prior art, the technology for dynamically detecting the wire diameter of a drawn wire is not common.
The patent number 201520173907.8 discloses a unidirectional split filament laser diameter measuring instrument, which is used for solving the problems of the existing unidirectional laser diameter measuring instrument that the structure is not compact, the volume is large and the measuring precision is low. The device comprises a host control box and a host, wherein the host comprises a shell, the upper end of the shell is provided with a groove, the groove is provided with a guide wheel component for placing an object to be measured, a laser transmitter is arranged in the shell on the right side of the groove, the laser transmitter is provided with a scanning mirror component, the scanning mirror component is provided with a transmitting lens arranged on a measuring lens seat, the measuring lens seat is sleeved on the shell, the left shell of the groove is sleeved with a collecting lens, and the rear end of the collecting lens is provided with a photoelectric receiving component.
As can be seen through analysis, the volume of the patent is still larger, the price is higher, and the device is not suitable for being installed on a production site to carry out continuous wire diameter detection of drawn wires.
In view of the above, in production practice, there is a need for a method and apparatus for detecting the drawn wire diameter of high-frequency silver-plated wires that is inexpensive and compact and easy to install in a production site.
Disclosure of Invention
The invention aims at solving the problems that the volume is still larger, the price is higher and the device is not suitable for being installed on the production site of drawing wires in the prior art. What is needed is a low cost, compact, easy to install wire drawing wire diameter detection device on a production site, and a method and device for high frequency silver plating wire drawing wire diameter detection are designed and manufactured.
The invention is realized by adopting the following technical scheme.
A method for detecting the drawing wire diameter of a high-frequency silver-plated wire is implemented, and comprises the following steps:
firstly, setting a single-chip microcomputer in a wire diameter detection device, wherein a program memory is arranged in the single-chip microcomputer, and a wire diameter calculation program module, a wire diameter data input program module, a drawing liquid detection program module, a PWM calculation program module, a wire diameter comparison program module, a wire diameter display program module, a wire drawing speed calculation program module, a fault alarm program module, a communication program module and a table look-up program module are loaded in the single-chip microcomputer, wherein the instructions of the program modules are suitable for being loaded and executed by a processor;
secondly, storing the wire diameter data of a target wire to be drawn currently in a program operation variable temporary storage through a wire diameter data input circuit unit and a wire diameter data input program module, when the production line starts to work, drawing the wire to pass through between a main wheel and a slave wheel, connecting a transmission rod with a swinging shaft through a transmission shaft, wherein the rear end of the swinging shaft is a rotating shaft which is located on a rotating shaft seat; the gear block is meshed with the large gear, and the large gear is meshed with the small gear;
the pinion is meshed with a sliding tooth block, the upper part of the sliding tooth block is connected with a movable window, and the center of the movable window is aligned with a light emitting diode;
a static window is arranged at the rear of the movable window, a static window is arranged at the position of the static window corresponding to the movable window, and a frame of the static window is positioned at the center of the movable window;
a light receiving diode is arranged corresponding to the static window;
the third step, the PWM calculation program module determines the duty ratio and frequency of the current PWM signal according to the wire diameter data of the target wire, the PWM signal is output from the foot of the single chip microcomputer to the PWM driving circuit unit, the light emitting diode emits the light signal modulated by the PWM signal through the movable window, the edge of the static window is positioned at the center of the movable window, the change of the wire diameter of the drawn wire causes the change of the relative light transmission area of the static window and the movable window, the light receiving diode converts the changed light signal into an electric signal, and the electric signal is connected to the foot of the single chip microcomputer through the output end of the wire diameter detection circuit unit;
step four, next, the wire diameter calculation program module samples the analog signal voltage input from the foot of the single chip microcomputer, converts the analog signal voltage into a digital signal, stores the digital signal in the program operation variable register, calculates an average value of data after eight continuous sampling data, and stores the first calculation result data in the program operation variable register;
fifthly, searching a corresponding dynamic line diameter value in a table look-up program module according to the first calculation result data by a line diameter comparison program module, taking out the value, storing the value into a first line diameter register in a program operation variable register, returning to a fourth step after one second, storing a second dynamic line diameter value into a second line diameter register in the program operation variable register, storing data in the first line diameter register to a sixteenth line diameter register after ten and sixteenth steps of operation;
sixthly, removing the maximum and minimum data from the data stored in the first line path temporary storage device to the sixteenth line path temporary storage device, and taking an average value to obtain current line path data of the lead; the LCD wire diameter display unit is driven by the wire diameter display program module to display on a display screen;
at this time, the drawing liquid detection program module samples the drawing liquid lubrication analog signal voltage input by the drawing liquid detection circuit unit connected with the first pin of the single-chip microcomputer, converts the drawing liquid lubrication analog signal voltage into a current lubrication digital signal and stores the current lubrication digital signal in the program operation variable temporary storage; the wire drawing speed calculation program module samples the voltage of the speed analog signal input by the wire drawing speed detection circuit unit connected with the first pin of the single-chip microcomputer, converts the voltage into a current speed digital signal and stores the current speed digital signal in the program operation variable temporary storage;
seventh, next, the wire diameter comparison program module compares the current wire diameter data with the target wire diameter data to obtain wire diameter deviation data, and the wire diameter deviation data, the current speed digital signal and the current lubrication digital signal are sent to the drawing main control system through the communication circuit unit connected with the first pin and the second pin of the single-chip microcomputer and are processed by the drawing main control system.
In the method, the first pin of the single-chip microcomputer outputs a PWM signal to the PWM driving circuit unit, and the light emitting diode emits the light signal modulated by the PWM signal through the movable window, so that the PWM calculation program module changes the pulse width of the PWM value.
In the above method, the 2 nd pin of the single chip microcomputer outputs the PWM signal to the PWM driving circuit unit, and the light emitting diode emits the light signal modulated by the PWM signal through the moving window, or the PWM calculating program module changes the pulse frequency of the PWM value.
Designing and manufacturing a device for detecting the drawing wire diameter of a high-frequency silver-plated wire, wherein the device comprises a wire diameter detection base, a detection PCB board, a single-chip microcomputer is arranged on the detection PCB board, a program memory is arranged in the single-chip microcomputer, a wire diameter calculation program module, a wire diameter data input program module, a drawing liquid detection program module, a PWM calculation program module, a wire diameter comparison program module, a wire diameter display program module, a wire drawing speed calculation program module, a fault alarm program module and a communication program module are loaded in the single-chip microcomputer, and instructions of the program modules are suitable for being loaded and executed by a processor;
the wire diameter detection base is provided with a main wheel and a slave wheel, a drawing wire is pulled through the base from the main wheel to the slave wheel, the slave wheel is elastically pressed on the drawing wire, the slave wheel is connected with a transmission rod, the transmission rod is connected with a swinging shaft through a transmission shaft, the rear end of the swinging shaft (16) is a rotating shaft (15), and the rotating shaft (15) is located on a rotating shaft seat (14); the front end of the swinging shaft is provided with a tooth block, the tooth block is meshed with a large gear, and the large gear is meshed with a small gear; the pinion is meshed with a sliding tooth block, the upper part of the sliding tooth block is connected with a movable window, and the center of the movable window is aligned with a light emitting diode;
a static window is arranged at the rear of the movable window, a static window is arranged at the position of the static window corresponding to the movable window, and a frame of the static window is positioned at the center of the movable window;
a light receiving diode is arranged corresponding to the static window.
The light-emitting diode emits light signals modulated by PWM signals through the movable window, and the edge of the static window is positioned at the center of the movable window, so that the change of the wire diameter of the drawn wire leads to the change of the relative light transmission area of the static window and the movable window, and the light-receiving diode converts the changed light signals into electric signals and is connected into the first pin of the single-chip microcomputer through the output end of the wire diameter detection circuit unit.
Sampling the analog signal voltage input by the 15 th pin of the single-chip microcomputer by a line diameter calculation program module, converting the analog signal voltage into a digital signal, storing the digital signal in a program operation variable register, calculating the average value of data after eight continuous sampling data, and storing the first calculation result data in the program operation variable register;
the line diameter comparison program module searches a corresponding dynamic line diameter value in the table look-up program module according to the first calculation result data, takes out the value, stores the value into a first line diameter register in the program operation variable registers, then samples again after one second, stores a second dynamic line diameter value into a second line diameter register in the program operation variable registers, and stores data in the first line diameter register to the sixteenth line diameter register after circulation for sixteen times;
removing the maximum and minimum data from the data stored in the first to sixteenth wire diameter registers, and taking an average value to obtain current wire diameter data; and driving the LCD wire diameter display unit by the wire diameter display program module to display on a display screen.
At this time, the drawing liquid detection program module samples the drawing liquid lubrication analog signal voltage input by the drawing liquid detection circuit unit connected with the first pin of the single-chip microcomputer, converts the drawing liquid lubrication analog signal voltage into a current lubrication digital signal and stores the current lubrication digital signal in the program operation variable temporary storage; the wire drawing speed calculation program module samples the voltage of the speed analog signal input by the wire drawing speed detection circuit unit connected with the first pin of the single-chip microcomputer, converts the voltage into a current speed digital signal and stores the current speed digital signal in the program operation variable temporary storage.
The PWM calculation program module determines the duty ratio and the frequency of the current PWM signal according to the target wire diameter data, and outputs the PWM signal to the PWM driving circuit unit from the first pin of the single-chip microcomputer.
And the first pin and the second pin of the single-chip microcomputer are connected with a communication circuit unit, the current wire diameter data calculated by the wire diameter comparison program module is compared with the target wire diameter data to obtain wire diameter deviation data, and the communication circuit unit sends the wire diameter deviation data, the current speed digital signal and the current lubrication digital signal to a drawing main control system to be processed by the drawing main control system.
The static window body is connected by a static window body adjusting screw rod, and the static window body adjusting screw rod is supported by a screw rod seat.
The fulcrum of the swinging shaft is a transmission shaft, and the distance from the transmission shaft to the rotation shaft is equal to one half to one third of the length of the swinging shaft; the rotating shaft is located on the rotating shaft seat.
The invention has the advantages that the technical structure is compact, the invention can be arranged at the drawing outlet, the patent uses a precision mechanical mode, a precision operational amplifier and software to precisely operational amplify the thickness change of the wire diameter, so that the error of the wire diameter can be accurately detected by using an optical electric signal, and the wire diameter error can be displayed, alarmed and corrected.
Drawings
The invention will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the invention.
FIG. 1 is a schematic diagram of the mechanical parts of the method and apparatus for detecting the drawn wire diameter of a high-frequency silver-plated wire according to the present invention;
FIG. 2 is a control block diagram of an operational amplifier circuit unit in the method and apparatus for high frequency silver-plated wire drawing wire diameter detection of the present invention;
FIG. 3 is a wiring diagram of a single chip microcomputer of the method and apparatus for detecting the drawn wire diameter of a high frequency silver-plated wire of the present invention;
FIG. 4 is a schematic diagram showing the arrangement of program modules in the program memory 113 of the monolithic microcomputer 10 according to the method and apparatus for detecting the drawn wire diameter of a high-frequency silver-plated wire of the present invention;
fig. 5 is a flow chart of a method and apparatus for high frequency silver coated wire draw wire diameter detection of the present invention.
Description of the embodiments
The invention will be described with reference to specific embodiments.
As shown in fig. 1 to 5, a method for detecting the drawn wire diameter of a high-frequency silver-plated wire is implemented, and comprises the following steps:
firstly, a single-chip microcomputer 10 is arranged in a wire diameter detection device, a program memory 113 is arranged in the single-chip microcomputer 10, and a wire diameter calculation program module 1131, a wire diameter data input program module 1133, a drawing liquid detection program module 1132, a PWM calculation program module 1134, a wire diameter comparison program module 1135, a wire diameter display program module 1136, a wire drawing speed calculation program module 1137, a fault alarm program module 1138, a communication program module 1139 and a table look-up program module 1140 are loaded in the single-chip microcomputer 10, and the instructions of the program modules are suitable for being loaded and executed by a processor 110;
secondly, storing target wire diameter data to be drawn currently in a program running variable temporary storage 112 through a wire diameter data input circuit unit 123 and a wire diameter data input program module 1133, when the production line starts to work, drawing wires 4 are drawn between a main wheel 11 and a slave wheel 129, a transmission rod 12 is connected with a swinging shaft 16 through a transmission shaft 13, the rear end of the swinging shaft 16 is a rotating shaft 15, and the rotating shaft 15 is located on a rotating shaft seat 14; since the wheel 129 is elastically pressed on the drawn wire 4, the change of the wire diameter of the drawn wire 4 is transmitted to the swinging shaft 16 through the transmission rod 12 and the transmission shaft 13, and a tooth block 17 is arranged at the front end of the swinging shaft 16, the tooth block 17 is meshed with the large gear 21, and the large gear 21 is meshed with the small gear 22;
the pinion 22 is further meshed with a sliding tooth block 231, the upper part of the sliding tooth block 231 is connected with the movable window 23, and the center of a movable window 232 of the movable window 23 is aligned with the light emitting diode 31;
a static window 24 is arranged at the rear of the movable window 23, a static window 241 is arranged at the position of the static window 24 corresponding to the movable window 232, and a frame of the static window 241 is positioned at the center of the movable window 232;
a light receiving diode 32 is arranged corresponding to the static window 241;
third, the PWM calculation program module 1134 determines the duty ratio and frequency of the current PWM signal according to the target wire diameter data, and outputs the PWM signal from the 2 nd pin of the single chip microcomputer 10 to the PWM driving circuit unit 121, the light emitting diode 31 emits the light signal modulated by the PWM signal through the moving window 232, and since the edge of the static window 241 is at the center of the moving window 232, the change of the wire diameter of the drawing wire 4 causes the change of the relative light transmission area of the static window 241 and the moving window 232, and the light receiving diode 32 converts the changed light signal into an electrical signal and accesses the 15 th pin of the single chip microcomputer 10 through the output end of the wire diameter detection circuit unit 122;
fourth, next, the wire diameter calculation program module 1131 samples the analog signal voltage input from the 15 th pin of the single chip microcomputer 10, converts it into a digital signal, stores it in the program operation variable register 112, and after continuously sampling eight data, calculates the average value of the data, and stores the first calculation result data in the program operation variable register 112;
fifth, next, the line path comparison program module 1135 searches the table look-up program module 1140 for the corresponding dynamic line path value according to the first calculation result data, takes the value out, stores the value into the first line path register in the program operation variable register 112, returns to the fourth step after one second, stores the dynamic line path value of the second time into the second line path register in the program operation variable register 112, and stores the data in the first line path register to the sixteenth line path register after ten or six cycles, and then proceeds to the sixth step;
sixthly, removing the maximum and minimum data from the data stored in the first line path temporary storage device to the sixteenth line path temporary storage device, and taking an average value to obtain current line path data of the lead; the LCD wire diameter display unit 126 is driven by the wire diameter display program module 1136 to display on a display screen;
at this time, the drawing fluid detecting program module 1132 samples the drawing fluid lubrication analog signal voltage input from the drawing fluid detecting circuit unit 125 connected to the 17 th pin of the single-chip microcomputer 10, converts the signal voltage into a current lubrication digital signal, and stores the current lubrication digital signal in the program operation variable register 112; the wire drawing speed calculation program module 1137 samples the speed analog signal voltage input by the wire drawing speed detection circuit unit 127 connected to the 16 th pin of the single chip microcomputer 10, converts the speed analog signal voltage into a current speed digital signal, and stores the current speed digital signal in the program operation variable register 112;
seventh, next, the wire diameter comparison program module 1135 compares the current wire diameter data with the target wire diameter data to obtain wire diameter deviation data, and sends the wire diameter deviation data, the current speed digital signal and the current lubrication digital signal to the drawing main control system through the communication circuit unit 124 connected with the 43 rd pin and the 44 th pin of the single chip microcomputer 10, and the drawing main control system processes the wire diameter deviation data.
The 2 nd pin of the single-chip microcomputer 10 outputs a PWM signal to the PWM driving circuit unit 121, and the led 31 emits an optical signal modulated by the PWM signal through the moving window 232, which is the pulse width of the PWM value changed by the PWM calculation program module 1134.
The 2 nd pin of the single-chip microcomputer 10 outputs a PWM signal to the PWM driving circuit unit 121, and the led 31 emits an optical signal modulated by the PWM signal through the moving window 232, which is the pulse frequency of the PWM value changed by the PWM calculation program module 1134.
Designing and manufacturing a device for detecting the drawing wire diameter of a high-frequency silver-plated wire by referring to the method, wherein the device comprises a wire diameter detection base 1, a detection PCB board, a single-chip microcomputer 10 is arranged on the detection PCB board, a program memory 113 is arranged in the single-chip microcomputer 10, and a wire diameter calculation program module 1131, a wire diameter data input program module 1133, a drawing liquid detection program module 1132, a PWM calculation program module 1134, a wire diameter comparison program module 1135, a wire diameter display program module 1136, a wire drawing speed calculation program module 1137, a fault alarm program module 1138 and a communication program module 1139 are loaded in the single-chip microcomputer 10, and the instructions of the program modules are suitable for being loaded and executed by a processor 110;
the wire diameter detection base 1 is provided with a main wheel 11 and a slave wheel 129, a drawing wire 4 is pulled through between the main wheel and the slave wheel, the slave wheel 129 is elastically pressed on the drawing wire 4, the slave wheel 129 is connected with a transmission rod 12, the transmission rod 12 is connected with a swinging shaft 16 through a transmission shaft 13, the rear end of the swinging shaft 16 is a rotating shaft 15, and the rotating shaft 15 is located on a rotating shaft seat 14;
the front end of the swinging shaft 16 is provided with a tooth block 17, the tooth block 17 is meshed with a large gear 21, and the large gear 21 is meshed with a small gear 22; the pinion 22 is further meshed with a sliding tooth block 231, the upper part of the sliding tooth block 231 is connected with the movable window 23, and the center of a movable window 232 of the movable window 23 is aligned with the light emitting diode 31;
a static window 24 is arranged at the rear of the movable window 23, a static window 241 is arranged at the position of the static window 24 corresponding to the movable window 232, and a frame of the static window 241 is positioned at the center of the movable window 232;
a light receiving diode 32 is disposed corresponding to the static window 241.
The light signal modulated by the PWM signal of the light emitting diode 31 is emitted through the movable window 232, and since the edge of the static window 241 is located at the center of the movable window 232, the change of the wire diameter of the drawing wire 4 causes the change of the relative light transmission area of the static window 241 and the movable window 232, and the light receiving diode 32 converts the changed light signal into an electrical signal, and the electrical signal is connected to the 15 th pin of the single chip microcomputer 10 through the output end of the wire diameter detection circuit unit 122.
The analog signal voltage input by the 15 th pin of the single chip microcomputer 10 is sampled by the wire diameter calculation program module 1131 and converted into a digital signal, the digital signal is stored in the program operation variable register 112, after eight data are continuously sampled, the data are calculated and averaged, and then the first calculation result data are stored in the program operation variable register 112;
the line path comparison program module 1135 searches the table look-up program module 1140 for the corresponding dynamic line path value according to the first calculation result data, takes out the value, stores the value in the first line path register in the program operation variable register 112, then samples again after one second, stores the dynamic line path value of the second time in the second line path register in the program operation variable register 112, and stores the data in the first line path register to the sixteenth line path register after ten six cycles;
removing the maximum and minimum data from the data stored in the first to sixteenth wire diameter registers, and taking an average value to obtain current wire diameter data; the LCD wire diameter display unit 126 is driven by the wire diameter display program module 1136 to display on a display screen.
At this time, the drawing fluid detecting program module 1132 samples the drawing fluid lubrication analog signal voltage input from the drawing fluid detecting circuit unit 125 connected to the 17 th pin of the single-chip microcomputer 10, converts the signal voltage into a current lubrication digital signal, and stores the current lubrication digital signal in the program operation variable register 112; the wire drawing speed calculation program module 1137 samples the speed analog signal voltage input by the wire drawing speed detection circuit unit 127 connected to the 16 th pin of the single chip microcomputer 10, converts it into a current speed digital signal, and stores it in the program operation variable register 112.
The PWM calculation program module 1134 determines the duty ratio and frequency of the current PWM signal from the target wire diameter data, and outputs the PWM signal from the 2 nd pin of the single chip microcomputer 10 to the PWM driving circuit unit 121.
Pins 43 and 44 of the single-chip microcomputer 10 are connected with the communication circuit unit 124, the current wire diameter data calculated by the wire diameter comparison program module 1135 is compared with the target wire diameter data to obtain wire diameter deviation data, and the communication circuit unit 124 sends the wire diameter deviation data, the current speed digital signal and the current lubrication digital signal to the drawing main control system to be processed by the drawing main control system.
The stationary window 24 is connected by a stationary window adjusting screw 26, the stationary window adjusting screw 26 being supported by a screw seat 25.
The fulcrum of the swinging shaft 16 is a transmission shaft 13, and the distance from the transmission shaft 13 to the rotating shaft 15 is equal to one half to one third of the length of the swinging shaft 16; the rotating shaft 15 is seated on the rotating shaft seat 14.
In fig. 1, the transmission rod 12 is pulled by a spring in the direction of pulling the wire 4.
In fig. 2, the output terminal of the wire diameter detection circuit unit 122 is connected to the ground with a resistor R9 and a capacitor C8, and these two elements sort the pulse waveform into a smoother dc voltage.
In fig. 3, the model of the single-chip microcomputer 10 is HT67F489, and when other models are selected, each program module and subroutine module are slightly adjusted, and then instructions are stored in the program memory 113 for loading and execution by the processor 110.
In fig. 4, each program module is stored in the program memory 113 inside the single-chip microcomputer 10, the processor 110 calls each program module to run, and the program run variable register 112 stores data that needs to be temporarily stored when the program runs; the malfunction alert program module 1138 sounds an audible and visual alert in the event of a catastrophic failure.
Fig. 5 is a flow chart from which the working of the invention can be seen.
The foregoing is merely illustrative of the preferred embodiments of the present invention, and no limitation thereof should be construed as being implied by the specification or limitations of the invention to the extent possible, which modifications are suggested to one of ordinary skill in the art upon which this invention pertains.
Claims (8)
1. A method for high frequency silver-plated wire drawing wire diameter detection, implemented by program execution loaded in a single chip computer program storage area, characterized in that the method comprises the steps of:
firstly, arranging a single-chip microcomputer (10) in a wire diameter detection device, wherein a program memory (113) is arranged in the single-chip microcomputer (10), a wire diameter calculation program module (1131), a wire diameter data input program module (1133), a drawing liquid detection program module (1132), a PWM calculation program module (1134), a wire diameter comparison program module (1135), a wire diameter display program module (1136), a wire drawing speed calculation program module (1137), a fault alarm program module (1138), a communication program module (1139) and a table look-up program module (1140) are loaded in the single-chip microcomputer, and the instructions of the program modules are suitable for being loaded and executed by a processor (110);
secondly, storing target wire diameter data to be drawn currently in a program operation variable temporary storage (112) through a wire diameter data input circuit unit (123) and a wire diameter data input program module (1133), when the production line starts to work, drawing a wire (4) from a position between a main wheel (11) and a driven wheel (129), connecting a transmission rod (12) with a swinging shaft (16) through a transmission shaft (13), wherein the rear end of the swinging shaft (16) is a rotating shaft (15), and the rotating shaft (15) is located on a rotating shaft seat (14);
since the wheel (129) is elastically pressed on the drawn wire (4), the change of the wire diameter of the drawn wire (4) is transmitted to the swinging shaft (16) through the transmission rod (12) and the transmission shaft (13), a tooth block (17) is arranged at the front end of the swinging shaft (16), the tooth block (17) is meshed with the large gear (21), and the large gear (21) is meshed with the small gear (22);
the pinion (22) is further meshed with a sliding tooth block (231), the upper part of the sliding tooth block (231) is connected with a movable window body (23), and the center of a movable window (232) of the movable window body (23) is aligned with a light emitting diode (31);
a static window (24) is arranged at the rear of the movable window (23), a static window (241) is arranged at the position of the static window (24) corresponding to the movable window (232), and one frame of the static window (241) is positioned at the center of the movable window (232);
a light receiving diode (32) is arranged corresponding to the static window (241);
step three, a PWM calculation program module (1134) determines the duty ratio and the frequency of the current PWM signal according to the wire diameter data of the target wire, PWM signals are output to a PWM driving circuit unit (121) from the 2 nd pin of the single-chip microcomputer (10), a light emitting diode (31) emits light signals modulated by the PWM signals through a movable window (232), and as the edge of a static window (241) is positioned at the center of the movable window (232), the change of the wire diameter of a drawing wire (4) causes the change of the relative light transmission area of the static window (241) and the movable window (232), and a light receiving diode (32) converts the changed light signals into electric signals which are connected to the 15 th pin of the single-chip microcomputer (10) through the output end of the wire diameter detection circuit unit (122);
fourth, next, the line diameter calculation program module (1131) samples the analog signal voltage input from the 15 th pin of the single chip microcomputer (10), converts the analog signal voltage into a digital signal, stores the digital signal in the program operation variable register (112), calculates the average value of the data after continuously sampling eight data, and stores the first calculation result data in the program operation variable register (112);
fifth, next, the line path comparison program module (1135) searches the corresponding dynamic line path value in the table look-up program module (1140) according to the first calculation result data, takes out the value, stores the value in the first line path register in the program operation variable register (112), returns to the fourth step after one second, stores the dynamic line path value of the second time in the second line path register in the program operation variable register (112), and after ten six cycles, the first line path register to the sixteenth line path register all store data, and next, the sixth step is performed;
sixthly, removing the maximum and minimum data from the data stored in the first line path temporary storage device to the sixteenth line path temporary storage device, and taking an average value to obtain current line path data of the lead; driving an LCD wire diameter display unit (126) by a wire diameter display program module (1136) to display on a display screen;
at this time, the drawing liquid detection program module (1132) samples the drawing liquid lubrication analog signal voltage input by the drawing liquid detection circuit unit (125) connected with the 17 th pin of the single-chip microcomputer (10), converts the drawing liquid lubrication analog signal voltage into a current lubrication digital signal, and stores the current lubrication digital signal in the program operation variable register (112); the wire drawing speed calculation program module (1137) samples the voltage of the speed analog signal input by the wire drawing speed detection circuit unit (127) connected with the 16 th pin of the single-chip microcomputer (10), converts the voltage into a current speed digital signal and stores the current speed digital signal in the program operation variable register (112);
seventh, next, the wire diameter comparison program module (1135) compares the current wire diameter data with the target wire diameter data to obtain wire diameter deviation data, and the wire diameter deviation data, the current speed digital signal and the current lubrication digital signal are sent to the drawing main control system through the communication circuit unit (124) connected with the 43 rd pin and the 44 th pin of the single chip microcomputer (10) and processed by the drawing main control system.
2. The method for detecting the drawn wire diameter of the high-frequency silver-plated wire according to claim 1, wherein: the 2 nd pin of the singlechip microcomputer (10) outputs a PWM signal to the PWM driving circuit unit (121), and the light emitting diode (31) emits the light signal modulated by the PWM signal through the movable window (232) and the pulse width of the PWM value is changed by the PWM calculation program module (1134).
3. The method for detecting the drawn wire diameter of the high-frequency silver-plated wire according to claim 1, wherein: the 2 nd pin of the singlechip microcomputer (10) outputs a PWM signal to the PWM driving circuit unit (121), and the light emitting diode (31) emits the light signal modulated by the PWM signal through the movable window (232) and changes the pulse frequency of the PWM value by the PWM calculation program module (1134).
4. The utility model provides a device that high frequency silvered wire draws wire footpath detection which characterized in that: the device comprises a wire diameter detection base (1) connected with a detection PCB, wherein a single-chip microcomputer (10) is arranged on the detection PCB, a program memory (113) is arranged in the single-chip microcomputer (10), a wire diameter calculation program module (1131), a wire diameter data input program module (1133), a drawing liquid detection program module (1132), a PWM calculation program module (1134), a wire diameter comparison program module (1135), a wire diameter display program module (1136), a wire drawing speed calculation program module (1137), a fault alarm program module (1138) and a communication program module (1139) are loaded in the single-chip microcomputer, and instructions of the program modules are suitable for being loaded and executed by a processor (110);
the wire diameter detection base (1) is provided with a main wheel (11) and a slave wheel (129), the drawing wire (4) is pulled through between the main wheel and the slave wheel, the slave wheel (129) is elastically pressed on the drawing wire (4), the slave wheel (129) is connected with a transmission rod (12), the transmission rod (12) is connected with a swinging shaft (16) through a transmission shaft (13), the rear end of the swinging shaft (16) is a rotating shaft (15), and the rotating shaft (15) is located on a rotating shaft seat (14);
the front end of the swinging shaft (16) is provided with a tooth block (17), the tooth block (17) is meshed with a large gear (21), and the large gear (21) is meshed with a small gear (22); the pinion (22) is further meshed with a sliding tooth block (231), the upper part of the sliding tooth block (231) is connected with a movable window body (23), and the center of a movable window (232) of the movable window body (23) is aligned with a light emitting diode (31); a static window (24) is arranged at the rear of the movable window (23), a static window (241) is arranged at the position of the static window (24) corresponding to the movable window (232), and one frame of the static window (241) is positioned at the center of the movable window (232);
a light receiving diode (32) is arranged corresponding to the static window (241);
the light-emitting diode (31) emits light signals modulated by PWM signals through the movable window (232), and as the edge of the static window (241) is positioned at the center of the movable window (232), the change of the wire diameter of the drawing wire (4) causes the change of the relative light transmission area of the static window (241) and the movable window (232), the light-receiving diode (32) converts the changed light signals into electric signals, and the electric signals are connected to the 15 th pin of the single-chip microcomputer (10) through the output end of the wire diameter detection circuit unit (122);
the analog signal voltage input by the 15 th pin of the single chip microcomputer (10) is sampled by a line diameter calculation program module (1131) and converted into a digital signal, the digital signal is stored in a program operation variable register (112), after eight data are continuously sampled, the data are calculated to be averaged, and then the first calculation result data are stored in the program operation variable register (112);
the line diameter comparison program module (1135) searches the corresponding dynamic line diameter value in the table look-up program module (1140) according to the first calculation result data, takes out the value, stores the value into a first line diameter register in the program operation variable registers (112), then samples again after one second, stores the dynamic line diameter value of the second time into a second line diameter register in the program operation variable registers (112), and stores data in the first line diameter register to the sixteenth line diameter register after ten six cycles;
removing the maximum and minimum data from the data stored in the first to sixteenth wire diameter registers, and taking an average value to obtain current wire diameter data; driving an LCD wire diameter display unit (126) by a wire diameter display program module (1136) to display on a display screen;
at this time, the drawing liquid detection program module (1132) samples the drawing liquid lubrication analog signal voltage input by the drawing liquid detection circuit unit (125) connected with the 17 th pin of the single-chip microcomputer (10), converts the drawing liquid lubrication analog signal voltage into a current lubrication digital signal, and stores the current lubrication digital signal in the program operation variable register (112); the wire drawing speed calculation program module 1137 samples the voltage of the speed analog signal input by the wire drawing speed detection circuit unit 127 connected to the 16 th pin of the single chip microcomputer 10, converts the voltage into a current speed digital signal, and stores the current speed digital signal in the program operation variable register 112.
5. A high frequency silver-plated wire drawing wire diameter detection device according to claim 4, wherein: the PWM calculation program module (1134) determines the duty ratio and the frequency of the current PWM signal according to the target wire diameter data, and outputs the PWM signal from the 2 nd pin of the single chip microcomputer (10) to the PWM driving circuit unit (121).
6. A high frequency silver-plated wire drawing wire diameter detection device according to claim 4, wherein: the 43 rd pin and the 44 th pin of the single-chip microcomputer (10) are connected with a communication circuit unit (124), the current wire diameter data calculated by a wire diameter comparison program module (1135) is compared with target wire diameter data to obtain wire diameter deviation data, and the communication circuit unit (124) sends the wire diameter deviation data, the current speed digital signal and the current lubrication digital signal to a drawing main control system to be processed by the drawing main control system.
7. A high frequency silver-plated wire drawing wire diameter detection device according to claim 4, wherein: the static window (24) is connected by a static window adjusting screw (26), and the static window adjusting screw (26) is supported by a screw seat (25).
8. A high frequency silver-plated wire drawing wire diameter detection device according to claim 4, wherein: the fulcrum of the swinging shaft (16) is a transmission shaft (13), and the distance from the transmission shaft (13) to the rotating shaft (15) is equal to one half to one third of the length of the swinging shaft (16); the rotating shaft (15) is located on the rotating shaft seat (14).
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