CN108594877A - A kind of direct current coding motor two-way closed loop control module and its fixed-speed control system - Google Patents
A kind of direct current coding motor two-way closed loop control module and its fixed-speed control system Download PDFInfo
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- CN108594877A CN108594877A CN201810519755.0A CN201810519755A CN108594877A CN 108594877 A CN108594877 A CN 108594877A CN 201810519755 A CN201810519755 A CN 201810519755A CN 108594877 A CN108594877 A CN 108594877A
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- 230000005540 biological transmission Effects 0.000 claims description 14
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- 239000004020 conductor Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
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- 239000000686 essence Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D13/00—Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover
- G05D13/62—Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover characterised by the use of electric means, e.g. use of a tachometric dynamo, use of a transducer converting an electric value into a displacement
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- Automation & Control Theory (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The invention discloses a kind of direct current coding motor two-way closed loop control module and fixed-speed control systems, including host computer, CPU, control unit, debugging interface and two direct current generators, wherein：The host computer is connect with the CPU, the output for carrying out signal to the CPU, and is handled signal by the CPU；The CUP is connect with described control unit；CPU obtains voltage data corresponding to band rotating speed, the period needed for constant speed is controlled by clock unit by CPU, and it is instructed by control unit and is executed, assigned voltage output is then carried out to direct current generator by transformer, and control unit controls the stipulated time section of the voltage output of transformer, and then reach the rotating speed requirement in direct current generator portion at the appointed time, transformer is connect with two direct current generators, so that control unit is controlled simultaneously two direct current generators, and then increases the use scope of direct current generator.
Description
Technical field
The invention belongs to technology digital quantity constant speed control fields more particularly to a kind of direct current to encode motor two-way closed-loop control
Module and its fixed-speed control system.
Background technology
Dc motor is the motor that direct current energy is converted to mechanical energy, is made of stator and rotor, and stator includes：
Pedestal, main pole, commutating pole, brushgear etc.；Rotor includes：Armature core, armature winding, commutator, shaft and fan etc.,
It is used widely in Electric Traction due to its good speed adjusting performance, is divided by excitation mode：Permanent magnetism, separate excitation and self-excitation three
Class.
When DC power supply is powered by brush to armature winding, the poles the N lower conductor of armature surface can flow through phase Tongfang
To electric current, will be by anticlockwise moment loading according to left hand rule conductor；The poles armature surface S lower part sub-conductor also flows
The electric current for crossing the same direction, also will be by anticlockwise moment loading, in this way, entire electricity also according to left hand rule conductor
Pivot winding, that is, rotor will be converted into the mechanical energy of rotor on-axis output by rotation counterclockwise, the direct current energy of input.
While direct current generator is in work, by the rotation of direct current generator inner drive shafts into enforcement between being mostly
With in certain fine equipment, needing accurately to control the constant speed of direct current, cause most direct current generator not
The constant speed requirement of the progress can be met, the scope of application in turn resulting in direct current generator becomes smaller.
Invention content
The present invention provides a kind of direct current coding motor two-way closed loop control module, it is intended to solve direct current generator in the same of work
When, it is used by the rotation of direct current generator inner drive shafts between being mostly, in certain fine equipment, is needed pair
The constant speed of direct current is accurately controlled, and causes most direct current generator that can not meet the constant speed requirement of the progress, Jin Erzao
Become minor issue at the scope of application of direct current generator.
The invention is realized in this way a kind of direct current encodes motor two-way closed loop control module, including host computer, CPU, control
Unit, debugging interface and two direct current generators processed, wherein：
The host computer is connect with the CPU, the output for carrying out signal to the CPU, and by the CPU to letter
It number is handled；
The CPU is connect with described control unit, is connect to the CPU orders sent out for described control unit
It receives, and is processed and executed；
Described control unit is connect with two direct current generators and CPU respectively, by reception to order, processing and
It sends, and then the constant speed of direct current generator is controlled；
The debugging interface is connected to CPU, for the download to data.
Wherein, further include power module, the power module is connect with the CPU and described control unit respectively, is used for
Power supply to the CPU and described control unit.
Wherein, the host computer offers socket, the host computer can the socket be wiredly connected to the CPU.
Wherein, data reception module is carried on the CPU, the host computer can be with a variety of nothings such as used WIFI, Ethernet
Line mode is connected with receiving module, is used for the wireless transmission of data.
The present invention also provides a kind of fixed-speed control systems, including above-mentioned modular character, further include digital quantity unit, data
Unit, clock unit and transformer, wherein：
The digital quantity unit is for depositing the rotating speed of the direct current generator and corresponding demand voltage data
Storage, the data cell is connected with the digital quantity unit, for the rear supervention transferred and compared and order to data
It send；
The clock unit is for calculating the stipulated time defined by host computer, described in the transformer and two
Direct current generator connects, the voltage output size for controlling direct current generator and time；
The power module is connect with the transformer, for the normal power supply to transformer.
Wherein, further include execution unit, the execution unit is connected with described control unit, for order data
It executes, and the execution unit is connect with the transformer, for being controlled to the normal voltage output of the transformer
System..
Wherein, on the CPU, control unit and execution unit equipped with clock unit and three clock units with
Internet connects, and is used for the synchronization of three clock unit time.
Wherein, the CPU can intercept the period of three clock units, for two direct current generators
Stipulated time rotating speed control.
Compared with prior art, the beneficial effects of the invention are as follows：A kind of direct current of the present invention encodes motor two-way closed loop control
Molding block and fixed-speed control system are passed through by the way that CPU, control unit, digital quantity unit, data cell and clock unit is arranged
CPU can transfer DC motor speed and corresponding demand voltage data inside digital quantity unit by data cell, work as needs
When carrying out constant speed requirement to direct current generator, CPU obtains voltage data corresponding to band rotating speed, also, passes through clock unit by CPU
Period needed for constant speed is controlled, and it is instructed by control unit and is executed, then by transformer to straight
Galvanic electricity machine carries out assigned voltage output, and control unit controls the stipulated time section of the voltage output of transformer
System, and then reach the rotating speed requirement in direct current generator portion at the appointed time, meanwhile, transformer is connect with two direct current generators, is made
Control unit can simultaneously control two direct current generators, and then increase the use scope of direct current generator.
Description of the drawings
Fig. 1 is the system structure diagram of the present invention；
Fig. 2 is the DC motor speed of invention and the collecting flowchart figure of demand voltage；
Fig. 3 is the cpu system circuit diagram of the present invention.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
In the description of the present invention, it is to be understood that, term " length ", " width ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated dress
It sets or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as the limit to the present invention
System.In addition, in the description of the present invention, the meaning of " plurality " is two or more, unless otherwise specifically defined.
Referring to Fig. 1, the present invention provides a kind of technical solution：A kind of 400 constant speed of discrete control direct current generator control system
System, including host computer 100, CPU200, control unit 300 and two direct current generators 400, wherein：
Host computer 100 is connect with CPU200, for CPU200 carry out signal output, and by CPU200 to signal into
Row processing；
CPU200 is connect with control unit 300, and the order sent out to CPU200 for control unit 300 receives,
And it is processed and executed；
Control unit 300 is connect with two direct current generators 400 and CPU respectively, passes through the reception, processing and hair to order
It send, and then the constant speed of direct current generator 400 is controlled；
The debugging interface 160 is connected to CPU200, for the download to data.
In the present embodiment, by host computer 100 can be long-range the rotating speed to two direct current generators 400 control
System, when host computer 100 carries out the transmission of constant speed director data to CPU200, CPU200 handles its data constant speed data
Conversion, and then by obtaining rotary speed instruction and corresponding time command to direct current generator 400 in constant speed data, make constant speed data
It can smoothly be handled；Control unit 300 to the data after handled by CPU200 receive and the transmission of subsequent instructions,
Control unit 300 receives 400 rotary speed data of direct current generator and the stipulated time data transmitted by CPU200 respectively；The debugging interface
160 can facilitate download of the administrative staff to CPU200 internal datas, to be observed and be checked.
Further, including power module 150, power module 150 are connect with CPU200 and control unit 300 respectively, are used
In the power supply to CPU200 and control unit 300.
In the present embodiment, power module 150 plays the role of power supply, and CPU200 and control unit 300 is made to be supplied
Electricity enables the data that CPU200 continues to be handled, to keep CPU200 uninterrupted the continued power of CPU200
Be connected with host computer 100, to ensure normal transmission and the reception of data, the company with energy module Yu control unit 300
It connects, so that digital quantity unit 110, clock unit 140 and data cell 120 under control unit 300 is carried out continued power, to make
Control unit 300 can be at any time the data cell 120 inside digital quantity unit 110 is extracted by data cell 120,
And so that clock unit 140 is carried out time calculating in real time, convenient for handling the implementation of stipulated time data, power module
150 with the connection of transformer 130, so that direct current generator 400 is successfully rotated, and work, and pass through transformer 130
The control source to direct current generator 400 is controlled, and then reaches the rotating speed control to motor.
Further, data reception module is carried on CPU200, host computer 100 can be a variety of with used WIFI, Ethernet etc.
Wireless mode is connected with receiving module, is used for the wireless transmission of data；Host computer 100 offers socket, and host computer 100 can be with
The socket is wiredly connected to CPU200.
In the present embodiment, it is transmitted by wireless signal transmission between CPU200 and host computer 100 and limit signal,
The mode of the transmission data between host computer 100 and CPU200 is increased, wirelessly by this, host computer 100 can be made
Can remotely the transmission of constant speed data be being carried out, and CPU200 is enable smoothly to be received and be handled, the limited side
Formula makes the transmission of data more stablize, when wireless network breaks down, can carry out constant speed number by wired mode
According to transmission, enable CPU200 to implement to receive the data, avoid data receiver failure the problem of, make direct current generator
400 can successfully complete the constant speed requirement needed for host computer 100.
The present invention also provides a kind of fixed-speed control system, including above-mentioned modular character, further include digital quantity unit 110,
Data cell 120, clock unit 140 and transformer 130, wherein：
Digital quantity unit 110 is used to store the rotating speed of direct current generator 400 and corresponding demand voltage data,
Data cell 120 is connected with digital quantity unit 110, for the follow-up transmission transferred and compared and order to data；
Clock unit 140 for calculating the stipulated time defined by host computer 100, transformer 130 with two directly
Galvanic electricity machine 400 connects, the voltage output size for controlling direct current generator 400 and time；
Power module 150 is connect with transformer 130, for the normal power supply to transformer.
Exist in present embodiment, control unit 300 by data cell 120 to the data inside digital quantity unit 110 into
Row is transferred, since there are 110 inside of digital quantity unit the demand voltage data corresponding to 400 rotating speed of direct current generator to pass through in turn
400 rotating speed of known direct current generator can obtain the voltage data needed for it, and voltage data is then being sent to transformer 130
In, the voltage data is handled by transformer 130, and then the output of the voltage is carried out to direct current generator 400, also,
The voltage is consistently lower than the rated voltage of direct current generator 400；When handling the stipulated time, such as the stipulated time is very
Zhong Shi to the temporal information on clock unit 140 after calculating ten minutes, also, works as transformation by the comparison of time quantum
Device 130 carry out voltage conveying while can calculate changing the time, to enable direct current generator 400 smoothly regulation when
The interior adjustment for carrying out rotating speed；The connection of power module 150 and transformer 130 enables direct current generator 400 successfully to rotate,
And work, and by the control of transformer 130 to the control source of direct current generator 400, and then reach to direct current generator 400
Rotating speed control.
Further, further include execution unit 500, execution unit 500 is connected with control unit 300, for order
The execution of data, and execution unit 500 is connect with transformer 130, for being controlled to the normal voltage output of transformer 130
System.
In the present embodiment, the relay unit of the connection of unit 300 and transformer 130 in order to control of execution unit 500 leads to
The execution that execution unit 500 can be to the data after 300 after-treatment of control unit into line command is crossed, control unit 300 is passed through
It is processed after, it is known that realize the voltage needed for the rotating speed is how many, and then pass through the company of execution unit 500 and transformer 130
It connects, demand voltage exponent data is sent to transformer 130, transformer 130 is enable successfully to handle voltage data, and
To the progress voltage conveying of direct current generator 400, the rotating speed needed for direct current generator 400 to reach required, and in transformer 130
While conveying to the voltage data, clock unit 140 can carry out timing, and direct current generator 400 is made successfully to complete
The rotating speed requirement of stipulated time.
Further, equipped with clock unit 140 and three on CPU200, control unit 300 and execution unit 500
Clock unit 140 is connect with internet, is used for the synchronization of three 140 time of clock unit.
In the present embodiment, the internet of three clock units 300 synchronizes, can be more convenient to the stipulated time
It calculates, when transformer 130 carries out the output of required voltage to direct current generator 400, clock unit 140 can start counting up, together
When three clock units 140 synchronize carry out technologies, then, the calculating that part stops when this can be carried out by CPU200, when reaching
When the time, three clock units 140, which synchronize, to be stopped, and execution unit 500 can send transformer 130 and instruct, needed for stopping
The input of voltage is asked, and then makes the successful rotating speed requirement for completing portion at the appointed time of direct current generator 400.
Further, CPU200 can intercept the period of three clock units 140, for two direct currents
The rotating speed of the stipulated time of machine 400 controls.
In the present embodiment, it is controlled by CPU200 pairs of three clock unit 140, the interception at time end can be made more
Accurately, by three clock units 140 be by way of wireless transmission it is synchronous with the time institute on internet, also, three
Instruction output between a clock unit 140 and input and synchronous processing, when CPU200 is to one of clock unit 140
When the transmission instructed, other two clock unit 140 synchronizes processing by execution unit 500, consequently facilitating to rule
The interception for section of fixing time.
Referring to Fig.2, for the collecting method of direct current generator 400 rotating speed and the demand voltage, include the following steps：
S100：First, user selects the number of a fixed voltage, and motor speed measurement is mounted on direct current generator
On 400；
S200：Control source is then carried out by transformer 130, then direct current generator 400 is carried out by transformer 130
The output of fixed voltage makes direct current generator 400 start to rotate；
S300：Select a set time, it is assumed that be 1 minute, more continuous fixed voltage is carried out to direct current at 1 minute
Output, also, the rotation speed change of motor speed measurement instrument detected is observed at any time；
S400：After 1 minute, observation motor speed measurement instrument turns to what direct current generator 400 was reached in 1 minute
Speed, to obtain in fixed voltage, direct current generator 400 is how many in 1 minute rotating speed；
S500：It chooses different time and fixed voltage carries out the rotating speed of different direct current generators 400.
In conclusion can learn that, motor speed reaches how many when, transformer 130 needs to convey direct current generator 400
Great voltage, also, the voltage of its conveying avoids direct current generator 400 from existing always under the rated voltage of direct current generator 400
Occur the case where load and overload during operation, reduces the spoilage of direct current generator 400, improve direct current generator indirectly
400 service life.
Refering to Fig. 3, for the cpu system circuit diagram of the present invention, CPU plays the signal receiving processing to host computer, and then right
The synchronization process of three clock units is realized in the control of three clock units.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (8)
1. a kind of direct current encodes motor two-way closed loop control module, which is characterized in that including host computer, CPU, control unit, tune
It tries mouth and two direct current generators, wherein：
The host computer is connect with the CPU, for the CPU carry out signal output, and by the CPU to signal into
Row processing；
The CPU is connect with described control unit, is received to the CPU orders sent out for described control unit,
And it is processed and executed；
Described control unit is connect with two direct current generators and CPU respectively, passes through the reception, processing and hair to order
It send, and then the constant speed of direct current generator is controlled；
The debugging interface is connected to CPU, for the download to data.
2. direct current as described in claim 1 encodes motor two-way closed loop control module, which is characterized in that further include power supply mould
Block, the power module are connect with the CPU and described control unit respectively, for the CPU and described control unit
Power supply.
3. direct current as described in claim 1 encodes motor two-way closed loop control module, which is characterized in that the host computer opens up
Have a socket, the host computer can the socket be wiredly connected to the CPU.
4. direct current as described in claim 1 encodes motor two-way closed loop control module, which is characterized in that carried on the CPU
Data reception module, the host computer can be connected with receiving module with a variety of wireless modes such as used WIFI, Ethernet, be used for
The wireless transmission of data.
5. a kind of fixed-speed control system, which is characterized in that include the modular character as described in claim 1-4, further include number
Unit, data cell, clock unit and transformer are measured, wherein：
The digital quantity unit is for storing the rotating speed of the direct current generator and corresponding demand voltage data, institute
It states data cell with the digital quantity unit to be connected, for the follow-up transmission transferred and compared and order to data；
The clock unit is for calculating the stipulated time defined by host computer, the transformer and two direct currents
Motor connects, the voltage output size for controlling direct current generator and time；
The power module is connect with the transformer, for the normal power supply to transformer.
6. fixed-speed control system as claimed in claim 5, which is characterized in that further include execution unit, the execution unit with
Described control unit is connected, and for the execution to order data, and the execution unit is connect with the transformer, is used for
The normal voltage output of the transformer is controlled.
7. fixed-speed control system as claimed in claim 5, which is characterized in that on the CPU, control unit and execution unit
It is connect with internet equipped with clock unit and three clock units, is used for the synchronization of three clock unit time.
8. fixed-speed control system as claimed in claim 5, which is characterized in that the CPU can be to three clock units
Period intercepted, controlled for the rotating speed to stipulated times of two direct current generators.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810519755.0A CN108594877A (en) | 2018-05-28 | 2018-05-28 | A kind of direct current coding motor two-way closed loop control module and its fixed-speed control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810519755.0A CN108594877A (en) | 2018-05-28 | 2018-05-28 | A kind of direct current coding motor two-way closed loop control module and its fixed-speed control system |
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| JP2014007805A (en) * | 2012-06-22 | 2014-01-16 | Aisin Seiki Co Ltd | Device for controlling speed of dc motor |
| CN103616823A (en) * | 2013-09-11 | 2014-03-05 | 东北大学 | DC motor speed regulation simulation and experiment integrated apparatus and method |
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| CN107017804A (en) * | 2017-02-28 | 2017-08-04 | 海航生态科技集团有限公司 | The control system and method for series direct current motor |
| CN206517326U (en) * | 2016-12-30 | 2017-09-22 | 欣旺达电子股份有限公司 | DC dynamo steady speed controlling circuit and hay mover |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4644232A (en) * | 1983-10-19 | 1987-02-17 | Hitachi, Ltd. | Method of and an apparatus for controlling a plurality of DC motors |
| JP2014007805A (en) * | 2012-06-22 | 2014-01-16 | Aisin Seiki Co Ltd | Device for controlling speed of dc motor |
| CN103825511A (en) * | 2012-11-16 | 2014-05-28 | 大连世创恒泰科技有限公司 | DC-motor control system |
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