CN212135188U - High-speed off-line flight punching controller - Google Patents
High-speed off-line flight punching controller Download PDFInfo
- Publication number
- CN212135188U CN212135188U CN202021121082.2U CN202021121082U CN212135188U CN 212135188 U CN212135188 U CN 212135188U CN 202021121082 U CN202021121082 U CN 202021121082U CN 212135188 U CN212135188 U CN 212135188U
- Authority
- CN
- China
- Prior art keywords
- current
- electrically connected
- feedback
- loop control
- control circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004080 punching Methods 0.000 title claims abstract description 11
- 230000008030 elimination Effects 0.000 claims abstract description 8
- 238000003379 elimination reaction Methods 0.000 claims abstract description 8
- 239000003990 capacitor Substances 0.000 claims description 23
- 238000001514 detection method Methods 0.000 claims description 10
- 238000005553 drilling Methods 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Landscapes
- Control Of Electric Motors In General (AREA)
Abstract
The utility model provides a high-speed off-line flight punching controller through set up band elimination filter in speed ring control circuit, can be arranged in eliminating the resonance frequency band in the system, solves when vibrating mirror motor resonance frequency and input signal's frequency is close, and the problem of resonance phenomenon can appear in the mirror motor that shakes avoids the mirror motor that shakes to send the dazzling and whistling, and then increases entire system's bandwidth, improves stability.
Description
Technical Field
The utility model relates to a laser hole puncher field especially relates to a high-speed off-line flight punching controller.
Background
The high-speed off-line flight drilling controller is a special laser drilling controller, is provided with special parameter setting software, has the functions of galvanometer control and flight, and can realize single-shaft flight, double-shaft linear flight and double-shaft circular arc flight. The galvanometer control system mainly comprises a laser, an XY deflection mirror, a focusing lens, a computer and the like. The working principle is that the laser beam is incident on two vibrating mirrors, the reflecting angle of the reflecting mirror is controlled by a computer, and the two vibrating mirrors can scan along X, Y axes respectively, so that the deflection of the laser beam is achieved, the laser focus point with certain power density is on the punching material and stays for a period of time, and the energy of the focus point can penetrate through the punching material.
The existing galvanometer control system generally adopts a position-speed-current loop three-closed-loop control technology, and the control principle is shown in fig. 1, wherein circuits corresponding to the position-speed-current loop three-closed-loop are mutually independent. In the position ring, when the mirror motor that shakes is in great bandwidth control or when moving with very fast speed, the input signal that inputs in the mirror motor that shakes is close with the mirror resonant frequency that shakes, resonance phenomenon appears easily, shows to send the harsh to be whistling for the mirror motor that shakes, consequently, for solving above-mentioned problem, the utility model provides a high-speed off-line flight controller that punches filters the resonance frequency band among the mirror control system that shakes, increases the bandwidth of mirror control system that shakes, improves mirror control system's that shakes stability.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a high-speed off-line flight punching controller filters the resonance frequency band among the mirror control system that shakes, increases mirror control system's that shakes bandwidth, improves mirror control system's that shakes stability.
The technical scheme of the utility model is realized like this: the utility model provides a high-speed off-line flight punching controller, it includes singlechip, galvanometer motor, electric current loop control circuit, speed loop control circuit and position loop control circuit, and speed loop control circuit includes: the current detection circuit, the rotating speed differential feedback circuit and the band elimination filter are connected in sequence;
a position sensor and a coil are arranged in the galvanometer motor;
the voltage output port of the single chip microcomputer is respectively and electrically connected with the input end of the mirror vibration motor and the first feedback end of the single chip microcomputer through a current loop control circuit, the position sensor of the mirror vibration motor is electrically connected with the second feedback end of the single chip microcomputer through a position loop control circuit, and the coil of the mirror vibration motor is electrically connected with the third feedback end of the single chip microcomputer through a current detection circuit, a rotating speed differential feedback circuit and a band elimination filter which are sequentially connected in series.
On the basis of the above technical solution, preferably, the current loop control circuit includes: the power amplifier comprises a current controller, a power amplifier and a current feedback circuit;
the voltage output port of the single chip microcomputer is electrically connected with the input end of the power amplifier through the current controller, the output end of the power amplifier is electrically connected with the input end of the current feedback circuit and the coil in the galvanometer motor respectively, and the output end of the current feedback circuit is electrically connected with the first feedback end of the single chip microcomputer.
On the basis of the above technical solution, preferably, the position loop control circuit includes: a position sensor and a position feedback circuit;
the position sensor is electrically connected with a second feedback end of the singlechip through a position feedback circuit.
On the basis of the above technical solution, preferably, the band-stop filter includes: resistors R22-R24, a capacitor C10, a capacitor C11, a potentiometer RP5, a potentiometer RP6 and an operational amplifier LM 358;
the output end of the rotating speed differential feedback circuit is electrically connected with one end of a capacitor C10 through a resistor R22, the other end of the capacitor C10 is electrically connected with a pin 2 of an operational amplifier LM358, two ends of a resistor R23 are respectively connected between a pin 2 and a pin 1 of the operational amplifier LM358 in parallel, two ends of a capacitor C11 are respectively connected between one end of a capacitor C10 and the pin 1 of the operational amplifier LM358 in parallel, a pin 3 of the operational amplifier LM358 is grounded, the pin 1 of the operational amplifier LM358 is electrically connected with a third feedback end of the single chip microcomputer through a potentiometer RP5, one end of a resistor R24 is electrically connected with one end of the capacitor C10, and the other end of a resistor R24 is grounded through the potentiometer RP 6.
The utility model discloses a high-speed off-line flight punching controller has following beneficial effect for prior art:
(1) the band elimination filter is arranged in the speed loop control circuit, so that a resonance frequency band in a system can be eliminated, the problem that the resonance phenomenon of the vibrating mirror motor can occur when the resonance frequency of the vibrating mirror motor is close to the frequency of an input signal is solved, the vibrating mirror motor is prevented from generating harsh squeaking, the bandwidth of the whole system is increased, and the stability is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a block diagram of a conventional high-speed offline flight drilling controller
FIG. 2 is a structural diagram of a high-speed off-line flight drilling controller according to the present invention;
FIG. 3 is a circuit diagram of a current detection circuit in the high-speed offline flight drilling controller of the present invention;
fig. 4 is a circuit diagram of a band-stop filter in the high-speed offline flight drilling controller of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
In order to achieve accurate control of production, a three-loop control is generally adopted, which is mainly used for enabling a galvanometer motor system to form closed-loop control, and the three loops are 3 closed-loop negative feedback PID regulating systems. The voltage maps the current change, the current maps the torque size, the torque size maps the change of the rotating speed, and the rotating speed maps the change of the position at the same time, so as to achieve very accurate and reliable control.
As shown in figure 2, the utility model discloses a high-speed off-line flight punching controller, it includes singlechip, galvanometer motor, electric current loop control circuit, speed loop control circuit and position loop control circuit.
The singlechip is internally provided with an A/D converter and is used for receiving the analog signal transmitted by the position sensor and converting the analog signal into a digital signal, and the singlechip can acquire the position information of the motor through the digital signal; the digital signal is converted to an analog signal. The voltage output port of the single chip microcomputer is respectively and electrically connected with the input end of the mirror vibration motor and the first feedback end of the single chip microcomputer through a current loop control circuit, the position sensor of the mirror vibration motor is electrically connected with the second feedback end of the single chip microcomputer through a position loop control circuit, and the coil of the mirror vibration motor is electrically connected with the third feedback end of the single chip microcomputer through a speed loop control circuit.
And the galvanometer motor is used for driving the galvanometer to move up and down stably. In this embodiment, the galvanometer motor is internally provided with a position sensor and a coil. Wherein, the motor can be controlled to rotate positively and negatively by changing the current direction in the coil.
Preferably, the current loop control circuit detects the output current of each phase of the galvanometer motor from the single chip microcomputer through the Hall device, and performs PID adjustment on the setting of the current through negative feedback, so that the output current is as close as possible to be equal to the set current, and the current loop controls the torque of the motor. In this embodiment, the current loop control circuit is not improved, and the current loop control circuit can be implemented by using an existing circuit, so that the control principle of the current loop control circuit is not described in detail herein. In this embodiment, the current loop control circuit adopts a conventional structure, and the conventional current loop control circuit includes: the power amplifier comprises a current controller, a power amplifier and a current feedback circuit; specifically, a voltage output port of the single chip microcomputer is electrically connected with an input end of a power amplifier through a current controller, an output end of the power amplifier is electrically connected with an input end of a current feedback circuit and a coil in the galvanometer motor respectively, and an output end of the current feedback circuit is electrically connected with a first feedback end of the single chip microcomputer.
And the current controller is used for carrying out PID (proportion integration differentiation) adjustment on the output current of each phase output to the galvanometer motor through current negative feedback so that the output current is as close as possible to be equal to the set current. The present embodiment does not involve the improvement of the structure and algorithm of the current controller, and the function can be realized by the existing current controller, so the structure and control principle of the current controller will not be described in detail herein.
And the power amplifier amplifies the voltage signal output by the current controller and provides a sufficient current for the galvanometer motor to generate the torque required by driving the galvanometer to vibrate. In this embodiment, the type of the power amplifier is not limited, and any type of power amplifier may be selected. Therefore, the description will not be repeated here.
And the current feedback circuit detects the current on the coil inside the vibrating mirror motor through the Hall current sensor, converts the current into voltage, performs filtering amplification processing, and uses a processed voltage signal as a feedback signal, so that the output current of each phase of the vibrating mirror motor, which is provided by the singlechip, is as close as possible to equal to the set current. In this embodiment, the current feedback circuit is not improved, and the function can be realized by the existing hall current sensor and the filter amplifier circuit.
Preferably, the speed loop control circuit detects the current on the coil inside the galvanometer motor through the hall current sensor, and the torque of the galvanometer motor is determined by the current flowing through the coil winding of the galvanometer motor, so that the current of the galvanometer motor is detected firstly, and the obtained current is subjected to integral operation to obtain a rotating speed signal. In this embodiment, the speed loop control circuit includes: the device comprises a current detection circuit, a rotating speed differential feedback circuit and a band elimination filter which are connected in sequence.
And the current detection circuit is used for detecting the current on the coil inside the galvanometer motor, and obtaining a rotating speed signal by integrating the current. In this embodiment, the circuit diagram of the current detection circuit is shown in fig. 3, in which a resistor R25 converts the current on the coil into a voltage; one operational amplifier of the resistors R26-R29, the capacitor C12, the capacitor C13 and the operational amplifier LM358 forms a differential amplifier for filtering common-mode interference in voltage signals; the other operational amplifier of the resistor R30, the resistor R31 and the operational amplifier LM358 forms a secondary amplifier, and the signal amplified by the differential amplifier is amplified for the second time.
The rotating speed differential feedback circuit is arranged to differentiate the rotating speed signal and obtain the variation trend of the rotating speed signal through the differentiation result, because the rotating speed signal output by the current detection circuit is a continuously variable signal. In the present embodiment, the improvement of the rotational speed differential feedback circuit is not involved, and therefore, the structure and principle thereof will not be described again.
A band-stop filter for filtering a resonance frequency band in the system. When the resonant frequency of the mirror motor is close to the frequency of the input signal, the mirror motor will resonate, which is indicated as the mirror motor producing a squeal, which is a dangerous state. In order to eliminate this phenomenon, in this embodiment, a band-stop filter is provided to filter out the resonant frequency band of the system, which can increase the bandwidth of the whole system and improve the stability.
In this embodiment, as shown in fig. 4, the band-stop filter includes: resistors R22-R24, a capacitor C10, a capacitor C11, a potentiometer RP5, a potentiometer RP6 and an operational amplifier LM 358; the output end of the rotating speed differential feedback circuit is electrically connected with one end of a capacitor C10 through a resistor R22, the other end of the capacitor C10 is electrically connected with a pin 2 of an operational amplifier LM358, two ends of a resistor R23 are respectively connected between a pin 2 and a pin 1 of the operational amplifier LM358 in parallel, two ends of a capacitor C11 are respectively connected between one end of a capacitor C10 and the pin 1 of the operational amplifier LM358 in parallel, a pin 3 of the operational amplifier LM358 is grounded, the pin 1 of the operational amplifier LM358 is electrically connected with a third feedback end of the single chip microcomputer through a potentiometer RP5, one end of a resistor R24 is electrically connected with one end of the capacitor C10, and the other end of a resistor R24 is grounded through the potentiometer RP 6.
Further preferably, the position loop control circuit includes: a position sensor and a position feedback circuit; the position sensor is electrically connected with a second feedback end of the singlechip through a position feedback circuit.
And the position sensor is arranged in the galvanometer motor and used for detecting the rotating angular speed of the galvanometer motor.
The position feedback circuit obtains the variation of the angular position by the difference of the amplitudes of the output signals of the position sensor, and finally the position feedback circuit obtains a voltage signal which is in direct proportion to the deflection angle of the galvanometer motor. In the present embodiment, the improvement of the position feedback circuit is not involved, and therefore, the description thereof will not be repeated.
The working principle of the embodiment is as follows: the single chip microcomputer outputs a driving signal for driving the galvanometer motor, the driving signal is amplified by the power amplifier and then output to a coil inside the galvanometer motor, the galvanometer motor rotates, and a rotating angle signal is collected by the position sensor and enters a position ring control circuit; meanwhile, the current on the coil is collected by the current feedback circuit and the current detection circuit and respectively enters the current loop control circuit and the speed loop control circuit, a feedback signal processed by the current loop control circuit enters a first feedback end of the single chip microcomputer, a feedback signal processed by the position loop control circuit enters a second feedback end of the single chip microcomputer, a feedback signal processed by the speed loop control circuit enters a third feedback end of the single chip microcomputer, and the single chip microcomputer adjusts an output driving signal according to the three feedback ends.
The beneficial effect of this embodiment does: the band elimination filter is arranged in the speed loop control circuit, so that a resonance frequency band in a system can be eliminated, the problem that the resonance phenomenon of the vibrating mirror motor can occur when the resonance frequency of the vibrating mirror motor is close to the frequency of an input signal is solved, the vibrating mirror motor is prevented from generating harsh squeaking, the bandwidth of the whole system is increased, and the stability is improved.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a high-speed off-line flight punching controller, its includes singlechip, galvanometer motor, electric current loop control circuit, speed loop control circuit and position loop control circuit, its characterized in that: the speed loop control circuit includes: the current detection circuit, the rotating speed differential feedback circuit and the band elimination filter are connected in sequence;
a position sensor and a coil are arranged in the galvanometer motor;
the voltage output port of the single chip microcomputer is respectively and electrically connected with the input end of the mirror vibration motor and the first feedback end of the single chip microcomputer through a current loop control circuit, the position sensor of the mirror vibration motor is electrically connected with the second feedback end of the single chip microcomputer through a position loop control circuit, and the coil of the mirror vibration motor is electrically connected with the third feedback end of the single chip microcomputer through a current detection circuit, a rotating speed differential feedback circuit and a band elimination filter which are sequentially connected in series.
2. The high-speed offline flight-drilling controller of claim 1, wherein: the current loop control circuit includes: the power amplifier comprises a current controller, a power amplifier and a current feedback circuit;
the voltage output port of the single chip microcomputer is electrically connected with the input end of the power amplifier through the current controller, the output end of the power amplifier is electrically connected with the input end of the current feedback circuit and the coil in the galvanometer motor respectively, and the output end of the current feedback circuit is electrically connected with the first feedback end of the single chip microcomputer.
3. The high-speed offline flight-drilling controller of claim 1, wherein: the position loop control circuit includes: a position sensor and a position feedback circuit;
and the position sensor is electrically connected with a second feedback end of the singlechip through a position feedback circuit.
4. The high-speed offline flight-drilling controller of claim 1, wherein: the band-stop filter includes: resistors R22-R24, a capacitor C10, a capacitor C11, a potentiometer RP5, a potentiometer RP6 and an operational amplifier LM 358;
the output end of the rotating speed differential feedback circuit is electrically connected with one end of a capacitor C10 through a resistor R22, the other end of the capacitor C10 is electrically connected with a pin 2 of an operational amplifier LM358, two ends of the resistor R23 are respectively connected between a pin 2 and a pin 1 of the operational amplifier LM358 in parallel, two ends of the capacitor C11 are respectively connected between one end of a capacitor C10 and the pin 1 of the operational amplifier LM358 in parallel, a pin 3 of the operational amplifier LM358 is grounded, the pin 1 of the operational amplifier LM358 is electrically connected with a third feedback end of the single chip microcomputer through a potentiometer RP5, one end of the resistor R24 is electrically connected with one end of the capacitor C10, and the other end of the resistor R24 is grounded through the potentiometer RP 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021121082.2U CN212135188U (en) | 2020-06-17 | 2020-06-17 | High-speed off-line flight punching controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021121082.2U CN212135188U (en) | 2020-06-17 | 2020-06-17 | High-speed off-line flight punching controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212135188U true CN212135188U (en) | 2020-12-11 |
Family
ID=73685794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021121082.2U Expired - Fee Related CN212135188U (en) | 2020-06-17 | 2020-06-17 | High-speed off-line flight punching controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212135188U (en) |
-
2020
- 2020-06-17 CN CN202021121082.2U patent/CN212135188U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108519498B (en) | Self-adaptive closed-loop measurement system of resonant accelerometer | |
| US5013987A (en) | Control system for magnetic bearing | |
| GB2201532A (en) | Servo system for piezo-electric actuator | |
| CN110262029B (en) | Light trapping particle control device and method | |
| CN212135188U (en) | High-speed off-line flight punching controller | |
| JP2005500538A (en) | Method and apparatus for detection and control of light beam alignment | |
| CN108594869A (en) | A kind of micro mirror control method and its system based on resonance point real-time estimation | |
| CN102538774A (en) | Closed-loop phase lock fixed amplitude drive circuit of micro-solid modal gyroscope | |
| CN105242678B (en) | A kind of steering gear swaying suppression circuit and steering gear system | |
| CA2057237C (en) | Sliding mode control system | |
| US5099694A (en) | Vibration detecting apparatus | |
| JPS63501321A (en) | Scanner for industrial laser equipment | |
| CN108333917A (en) | Frequency dividing detector for low-frequency electromagnetic vibration table system feedback control | |
| US6560021B2 (en) | Variable optical wavelength filter | |
| CN212137575U (en) | Protection device based on galvanometer laser marking control system | |
| CN203759551U (en) | Mechanical arm vibration suppression and accurate differential compensation device | |
| CN109540176A (en) | A kind of silicon micro-gyroscope Sigma Delta detection closed-loop control system structure and parameter tuning method | |
| CN104467818B (en) | A kind of piezoelectric ceramic drive signal source circuit | |
| CN114189191A (en) | Method, device and system for receiving position pulse instruction of servo driver with high precision | |
| CN107368078B (en) | Tracking control device and method based on acceleration sensor feedback | |
| CN105955016B (en) | A kind of optimal closed loop fusion method of different bandwidth sensor | |
| CN103279027B (en) | Based on the digital simulation Composite PID controller of resonance type optical gyroscope system | |
| CN215601026U (en) | Mirror that shakes protection circuit | |
| CN107276455B (en) | Piezoelectric motor dead band control system and method based on output feedback Reverse Step Control | |
| CN114199221B (en) | Frequency-adjustable MEMS gyroscope self-excitation starting circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201211 |