CN201926933U - Rectification control device and system with DC brushless motor - Google Patents
Rectification control device and system with DC brushless motor Download PDFInfo
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- CN201926933U CN201926933U CN2011200152773U CN201120015277U CN201926933U CN 201926933 U CN201926933 U CN 201926933U CN 2011200152773 U CN2011200152773 U CN 2011200152773U CN 201120015277 U CN201120015277 U CN 201120015277U CN 201926933 U CN201926933 U CN 201926933U
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- 239000000463 material Substances 0.000 claims abstract description 24
- 238000012937 correction Methods 0.000 claims description 81
- 238000001514 detection method Methods 0.000 claims description 30
- 238000012360 testing method Methods 0.000 claims description 13
- 238000005516 engineering process Methods 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 230000002950 deficient Effects 0.000 description 5
- 230000005693 optoelectronics Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
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- 238000010438 heat treatment Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003278 mimic effect Effects 0.000 description 1
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Abstract
The utility model discloses a rectification control device and system with a DC brushless motor. The device comprises the following components sequentially connected, i.e. a rectification sensor used for collecting material advancing positions, a rectification controller used for collecting the data of the rectification sensor and controlling the action of a rectification sensor and the rectification actuator used for pulling materials to normal positions, wherein the rectification actuator comprises the DC brushless motor; the rectification controller comprises a coding disc detecting module, a current detecting module, a DSP processor, a PWM level switching circuit module and a power driving module, and the DSP processor is used for driving the rectification actuator to work through the PWM level switching circuit module and the power driving module; and the closed loop switching of the encoding disc is realized under the multiple states thereof according to the states of the coding disc of the motor and the value of rotating speed of the motor through the DSP processor. In the utility model, the device realizes accurate positioning by switching the state of an encoder, without adopting a limit switch, and can carry out closed-loop control along with the rotating speed of the DC brushless motor.
Description
Technical field
The utility model relates to electronic applications, relates in particular to a kind of dc brushless motor correction control device and system.
Background technology
General employing DC servo motor or stepper motor are power source in deviation correction control system.The Chinese invention patent application number is: " 200810163875.8 ", name is called: disclose a kind of position tracking type deviation-rectifying servo executor in " position tracking type deviation-rectifying servo executor ", it is executive component with the DC servo motor, its line shaft is connected with ball screw through shaft joint, the push rod of the hollow that the nut of screw mandrel is outer with being enclosed within screw mandrel is connected, the feed screw nut cooperates flexible connection with line slideway, rotatablely moving of motor converted to the rectilinear motion of push rod; At the shaft coupling place circular code-disc is installed; code-disc rotates in the groove of flute profile optoelectronic switch to detect the motion of push rod; also be provided with in the housing three respectively front limit, the back of test rods motion spacing, and play in the Hall switch of signal, signal Processing and control circuit board are realized rapid track and control and protection to the push rod displacement according to three Hall switch and optoelectronic switch and from the instruction of outside.
In a kind of scheme of deviation correction control system, adopt DC servo motor in deviation correction control system, to use, adopt simple control technology, promptly use two control lines and a winding, as long as microcontroller provides the two-way pwm signal just can control motor, but there is following shortcoming in DC servo motor:
The first, motor makes push rod do rectilinear motion by gearing, and both sides have extreme position to need protection, function (origin position) in needing back in correction is used.The method that DC servo motor adopts is: at two extreme positions and center sensor installation, there is the shortcoming that inconvenience, debug difficulties are installed in most of photoelectricity or honeywell switch sensor of adopting, and influences attractive in appearance.The way that satisfies high-end demand is to adopt to add scrambler, only does the location and uses.Main existing problems: the nonstandard need of motor are tailor-made; Add brushless electric machine price of scrambler close prices; Only do the location with not realizing the location following closed-loop control.
The second, motor has adopted carbon brush, because of carbon brush weares and teares easily, and the frequent rotating work of motor when using in the deviation-rectifying system.DC servo motor makes electrical machinery life short because of the carbon brush problem.
In the scheme of another kind of deviation correction control system, adopt stepper motor in deviation-rectifying system, to use, the step motor control technology than DC servo difficulty a bit, two windings of four lines of motor are as long as microcontroller provides four road pwm signals control motor.But there is following shortcoming in step motor control system:
The first, motor makes push rod do rectilinear motion by gearing, and both sides have extreme position to need protection, function (origin position) in needing back in correction is used.The method that stepper motor adopts is: most of photoelectricity or honeywell switch sensor of adopting, at two extreme positions and center sensor installation, existence inconvenience is installed, the debugging operations difficulty, and influences attractive in appearance.
The second, in the stepper motor work, the motor housing temperature rise is fast, and heating is serious, and energy use efficiency is low.
The utility model content
The technical matters that the utility model mainly solves provides a kind of dc brushless motor correction control device and system, described Apparatus and system can adopt brushless electric machine to overcome carbon brush defective easy to wear, under the prerequisite that does not adopt limiting photoelectric switch, accurately locate, and can the speed of following carry out closed-loop control.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of dc brushless motor correction control device is provided, comprises the deflection correction sensor that is used to gather the material advanced positions that is linked in sequence, be used to gather the deviation correcting device of deflection correction sensor data and the action of control correction actuator and be used for material is retracted entopic correction actuator; Described correction actuator comprises dc brushless motor; Described deviation correcting device comprises code-wheel detection module, current detection module, dsp processor, PWM level shifting circuit module and power driver module, the code-wheel detection module detects a plurality of states of motor code-wheel, and testing result is sent in the dsp processor; Described current detection module detects the working current of correction actuator in real time and testing result is sent in the dsp processor, the current value that described dsp processor records according to current detection module drives the work of correction actuator by PWM level shifting circuit and power driver module; Described dsp processor also switches code-wheel closed loop under a plurality of states according to the tachometer value of dc brushless motor.
Wherein, described code-wheel has 12 states.
Wherein, described deflection correction sensor is photoelectric sensor or ultrasonic sensor.
Wherein, be connected by six passages between described dsp processor and the PWM level shifting circuit.
For solving the problems of the technologies described above, another technical scheme that the utility model adopts is: a kind of dc brushless motor deviation correction control system is provided, described system comprises dc brushless motor deviation correcting device and control program bag, and described dc brushless motor deviation correcting device comprises the deflection correction sensor that is used to gather the material advanced positions that is linked in sequence, is used to gather the deviation correcting device of deflection correction sensor data and the action of control correction actuator and be used for material is retracted entopic correction actuator; Described correction actuator comprises dc brushless motor; Described deviation correcting device comprises code-wheel detection module, current detection module, dsp processor, PWM level shifting circuit module and power driver module, the code-wheel detection module detects a plurality of states of motor code-wheel, and testing result is sent in the dsp processor; Described current detection module detects the working current of correction actuator in real time and testing result is sent in the dsp processor, the current value that described dsp processor records according to current detection module drives the work of correction actuator by PWM level shifting circuit and power driver module; Described dsp processor also switches code-wheel closed loop under a plurality of states according to the tachometer value of dc brushless motor.
Wherein, described code-wheel has 12 states.
Wherein, described deflection correction sensor is photoelectric sensor or ultrasonic sensor.
Wherein, be connected by six passages between described dsp processor and the PWM level shifting circuit.
The beneficial effects of the utility model are: it is short and need to adopt optoelectronic switch or limit switch location to be different from the servomotor of prior art and stepper motor deviation-rectifying system life-span, and the defective of can not the speed of following carrying out closed-loop control, the utility model adopts dc brushless motor to overcome carbon brush defective easy to wear, state by scrambler under the prerequisite that does not adopt limit switch switches accurately location, and the velocity of rotation that can follow dc brushless motor is carried out closed-loop control.
Further, dc brushless motor can realize following speed closed loop control, unreels with the rolling weight of material and differs with the time weight of producing, and realizes the whole higher correction precision of roll of material by following speed closed loop control.
Description of drawings
Fig. 1 is the block diagram of the utility model stream brushless electric machine correction control device embodiment;
Fig. 2 is the principle of work block diagram of the utility model stream brushless electric machine correction control device embodiment.
Embodiment
By describing technology contents of the present utility model, structural attitude in detail, realized purpose and effect, give explanation below in conjunction with embodiment and conjunction with figs. are detailed.
Dsp processor is meant digital signal processor.
PWM, pulse-length modulation, it is the abbreviation of English " Pulse Width Modulation ", be called for short width modulation, be to utilize the numeral of microprocessor to export a kind of very effective technology that mimic channel is controlled, be widely used in from many fields of measurement, the power of communicating by letter control and conversion.
The way employing that step motor control system satisfies high-end demand adds scrambler, only does the location and uses.Main existing problems: the nonstandard need of motor are tailor-made; Add brushless electric machine price of scrambler close prices; Only do the location with not realizing the location following closed-loop control.
See also Fig. 1, dc brushless motor of the present utility model correction control device comprises the deflection correction sensor 10 that is used to gather the material advanced positions that is linked in sequence, is used to gather the deviation correcting device 12 of deflection correction sensor data and the action of control correction actuator and be used for material is retracted entopic correction actuator 11; Described correction actuator 11 comprises dc brushless motor 111; Described deviation correcting device 12 comprises code-wheel detection module 121, current detection module 122, dsp processor 123, PWM level shifting circuit module 124 and power driver module 125, a plurality of states of 121 pairs of motor code-wheels of code-wheel detection module detect, and testing result is sent in the dsp processor 123; Described current detection module 122 detects the working current of correction actuator 11 in real time and testing result is sent in the dsp processor 123, the current value that described dsp processor 123 records according to current detection module 122 drives 11 work of correction actuator by PWM level shifting circuit 124 and power driver module 125; Described dsp processor 123 also switches code-wheel closed loop under a plurality of states according to the tachometer value of dc brushless motor.
In one embodiment, described code-wheel has 12 states.Motor turns around during these 12 states, and the state binary coding presentation of scrambler output is: 001,011,010,110,100,101,001,011,010,110,100,101.Before the electric motor starting, the motor position is a kind of in 12 kinds of states, according to the direct starter motor in state position.
In one embodiment, described deflection correction sensor is photoelectric sensor or ultrasonic sensor.Whether photoelectric sensor detects material is to finish by the photosignal that the area change that the silicon tabula rasa blocks produces in the centre.
In one embodiment, be connected by six passages between described dsp processor and the PWM level shifting circuit.
Dc brushless motor deviation correction control system of the present utility model, described system comprises dc brushless motor deviation correcting device and control program bag, see also Fig. 1, described dc brushless motor deviation correcting device comprises the deflection correction sensor 10 that is used to gather the material advanced positions that is linked in sequence, is used to gather the deviation correcting device 12 of deflection correction sensor data and the action of control correction actuator and be used for material is retracted entopic correction actuator 11; Described correction actuator 11 comprises dc brushless motor 111; Described deviation correcting device 12 comprises code-wheel detection module 121, current detection module 122, dsp processor 123, PWM level shifting circuit module 124 and power driver module 125, a plurality of states of 121 pairs of motor code-wheels of code-wheel detection module detect, and testing result is sent in the dsp processor 123; Described current detection module 122 detects the working current of correction actuator 11 in real time and testing result is sent in the dsp processor 123, the current value that described dsp processor 123 records according to current detection module 122 drives 11 work of correction actuator by PWM level shifting circuit 124 and power driver module 125; Described dsp processor 123 also switches code-wheel closed loop under a plurality of states according to the tachometer value of dc brushless motor.
It is short and need to adopt optoelectronic switch or limit switch location to be different from the servomotor of prior art and stepper motor deviation-rectifying system life-span, and the defective of can not the speed of following carrying out closed-loop control, the utility model adopts dc brushless motor to overcome carbon brush defective easy to wear, state by scrambler under the prerequisite that does not adopt limit switch switches accurately location, and the velocity of rotation that can follow dc brushless motor is carried out closed-loop control.Dc brushless motor can realize following speed closed loop control, unreels with the rolling weight of material to differ with the time weight of producing, and realizes the whole higher correction precision of roll of material by following speed closed loop control.
In one embodiment, described code-wheel has 12 states.Motor turns around during these 12 states, and the state binary coding presentation of scrambler output is: 001,011,010,110,100,101,001,011,010,110,100,101.Before the electric motor starting, the motor position is a kind of in 12 kinds of states, according to the direct starter motor in state position.
In one embodiment, described deflection correction sensor 10 is photoelectric sensor or ultrasonic sensor.Whether photoelectric sensor detects material is to finish by the photosignal that the area change that the silicon tabula rasa blocks produces in the centre.
Referring to Fig. 2, correction principle of work of the present utility model: at first photoelectric sensor detects material not in the centre of sensor, give deviation correcting device signal feedback, deviation correcting device is according to the speed of following and the direction of motor in the size and Orientation decision correction actuator of deviation post, whether controller conforms to control rate by detecting actual speed, if be not inconsistent, and control PWW dutycycle, enter next judgement actuation cycle back and forth, the driven by motor material moves.Material moves into the next circulation of correction action back and forth.
In one embodiment, be connected by six passages between described dsp processor 123 and the PWM level shifting circuit 124.
The utility model is realized the control of correction actuator position by code-wheel, and the correction actuator is done a self-act travel and measured, and cooperates the spacing parameter setting of deviation correcting device, just can determine the spacing point of rectifying a deviation.When using deviation-rectifying system, the safety for the actuator that guarantees to rectify a deviation tends to be provided with one " spacing parameter ".The extreme position distance value on both sides deducts spacing parameter value, is movably position of correction actuator.Set spacing parameter and reached the extreme position defencive function, function in realizing back simultaneously.
Self-act travel is measured: the correction actuator runs to extreme position on one side automatically to be stopped, and runs to the another side extreme position then and stops, and stops in the middle of getting back at last.Prompting row is automatically measured successfully, and this position is the acquiescence center.
Function in time: the correction actuator, uses when conveniently changing material on stopping behind the arrival central point toward the central point operation of equipment.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model instructions and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (8)
1. dc brushless motor correction control device is characterized in that: comprise the deflection correction sensor that is used to gather the material advanced positions that is linked in sequence, be used to gather the deviation correcting device of deflection correction sensor data and the action of control correction actuator and be used for material is retracted entopic correction actuator;
Described correction actuator comprises dc brushless motor;
Described deviation correcting device comprises code-wheel detection module, current detection module, dsp processor, PWM level shifting circuit module and power driver module, the code-wheel detection module detects a plurality of states of motor code-wheel, and testing result is sent in the dsp processor; Described current detection module detects the working current of correction actuator in real time and testing result is sent in the dsp processor, the current value that described dsp processor records according to current detection module drives the work of correction actuator by PWM level shifting circuit and power driver module; Described dsp processor also switches code-wheel closed loop under a plurality of states according to the tachometer value of dc brushless motor.
2. dc brushless motor correction control device according to claim 1, it is characterized in that: described code-wheel has 12 states.
3. dc brushless motor correction control device according to claim 1 and 2, it is characterized in that: described deflection correction sensor is photoelectric sensor or ultrasonic sensor.
4. dc brushless motor according to claim 3 correction control device is characterized in that: be connected by six passages between described dsp processor and the PWM level shifting circuit.
5. dc brushless motor deviation correction control system, it is characterized in that: described system comprises dc brushless motor deviation correcting device and control program bag, and described dc brushless motor deviation correcting device comprises the deflection correction sensor that is used to gather the material advanced positions that is linked in sequence, is used to gather the deviation correcting device of deflection correction sensor data and the action of control correction actuator and be used for material is retracted entopic correction actuator;
Described correction actuator comprises dc brushless motor;
Described deviation correcting device comprises code-wheel detection module, current detection module, dsp processor, PWM level shifting circuit module and power driver module, the code-wheel detection module detects a plurality of states of motor code-wheel, and testing result is sent in the dsp processor; Described current detection module detects the working current of correction actuator in real time and testing result is sent in the dsp processor, the current value that described dsp processor records according to current detection module drives the work of correction actuator by PWM level shifting circuit and power driver module; Described dsp processor also switches code-wheel closed loop under a plurality of states according to the tachometer value of dc brushless motor.
6. dc brushless motor deviation correction control system according to claim 5 is characterized in that: described code-wheel has 12 states.
7. according to claim 5 or 6 described dc brushless motor deviation correction control systems, it is characterized in that: described deflection correction sensor is photoelectric sensor or ultrasonic sensor.
8. dc brushless motor deviation correction control system according to claim 7 is characterized in that: be connected by six passages between described dsp processor and the PWM level shifting circuit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200152773U CN201926933U (en) | 2011-01-18 | 2011-01-18 | Rectification control device and system with DC brushless motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200152773U CN201926933U (en) | 2011-01-18 | 2011-01-18 | Rectification control device and system with DC brushless motor |
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| CN201926933U true CN201926933U (en) | 2011-08-10 |
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| CN2011200152773U Expired - Lifetime CN201926933U (en) | 2011-01-18 | 2011-01-18 | Rectification control device and system with DC brushless motor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102053630A (en) * | 2011-01-18 | 2011-05-11 | 深圳市爱博科技有限公司 | Device and system for controlling deviation correction of brushless direct current (DC) motor |
| CN115159217A (en) * | 2022-08-23 | 2022-10-11 | 重庆编福科技有限公司 | Coiled material deviation rectifying system based on direct current servo drive |
-
2011
- 2011-01-18 CN CN2011200152773U patent/CN201926933U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102053630A (en) * | 2011-01-18 | 2011-05-11 | 深圳市爱博科技有限公司 | Device and system for controlling deviation correction of brushless direct current (DC) motor |
| CN115159217A (en) * | 2022-08-23 | 2022-10-11 | 重庆编福科技有限公司 | Coiled material deviation rectifying system based on direct current servo drive |
| CN115159217B (en) * | 2022-08-23 | 2025-11-11 | 重庆编福科技有限公司 | Coiled material deviation correcting system based on direct current servo drive |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20110810 Effective date of abandoning: 20120704 |