CN109488660A - A kind of hydraulic servocontrol equipment - Google Patents
A kind of hydraulic servocontrol equipment Download PDFInfo
- Publication number
- CN109488660A CN109488660A CN201811583594.8A CN201811583594A CN109488660A CN 109488660 A CN109488660 A CN 109488660A CN 201811583594 A CN201811583594 A CN 201811583594A CN 109488660 A CN109488660 A CN 109488660A
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- Prior art keywords
- microcontroller
- hydraulic
- electrically connected
- equipment according
- servocontrol equipment
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- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000008569 process Effects 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/02—Servomotor systems with programme control derived from a store or timing device; Control devices therefor
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The present invention discloses a kind of hydraulic servocontrol equipment, including upper computer and lower computer, and the slave computer includes microcontroller, digital analog converter, analog-digital converter, input amplifying circuit and output amplifier；The host computer is electrically connected with the microcontroller, the microcontroller is electrically connected by the digital analog converter with the output amplifier, the output amplifier is electrically connected with hydraulic actuator, feedback transducer is electrically connected with the input amplifying circuit, and the input amplifying circuit is electrically connected by the analog-digital converter with the microcontroller.Hydraulic servocontrol equipment provided by the invention has the technical effect that control algolithm is simple, quality stability is high.
Description
Technical field
The present invention relates to servo controller technical fields, and in particular to a kind of hydraulic servocontrol equipment.
Background technique
Electro-hydraulic servo control technology results from the U.S. at first, afterwards because its response is fast, precision is high, obtains quickly in industry general
And.Electrohydraulic servo-controlling system is one kind using Hydraulic power units as executing agency, according to negative-feedback principle, makes the defeated of system
The control mode of Setting signal is followed out.It can not only automatically, accurately and rapidly reappear the changing rule of input signal, and
Input quantity can be converted and be amplified.
The development at the end of the seventies to the beginning of the eighties, computer technology has established base for the combination of electronic technology and hydraulic technique
Plinth.Subsequent computer control is applied in electrohydraulic servo system, and make complex control strategy is implemented as possibility.City at present
Common practice on field is to control hydraulic power system by industrial personal computer, disadvantage of this is that: it is time-consuming and laborious, and industrial personal computer
Algorithm it is complicated, algorithm quality varies with each individual, and same Hydrauservo System hardware configuration, the effect made is thousand poor ten thousand
Not, cause the quality of Hydrauservo System irregular.
Summary of the invention
It is an object of the invention to overcome above-mentioned technical deficiency, a kind of hydraulic servocontrol equipment is provided, existing skill is solved
The technical issues of hydraulic servocontrol device algorithm is complicated in art, quality not can guarantee.
To reach above-mentioned technical purpose, technical solution of the present invention provides a kind of hydraulic servocontrol equipment, including upper
Machine and slave computer, the slave computer include microcontroller, digital analog converter, analog-digital converter, input amplifying circuit and output
Amplifying circuit；
The host computer is electrically connected with the microcontroller, the microcontroller by the digital analog converter with it is described defeated
Amplifying circuit is electrically connected out, and the output amplifier is electrically connected with hydraulic actuator, and feedback transducer is put with the input
Big circuit electrical connection, the input amplifying circuit are electrically connected by the analog-digital converter with the microcontroller, the feedback
Controller is set on the hydraulic actuator.
Compared with prior art, the beneficial effect comprise that the present invention replaces traditional industry control using microcontroller
The control algolithm of machine, microcontroller is simple, easily controllable, time saving and energy saving, it can also be ensured that the quality of hydraulic servocontrol equipment
Stability.Meanwhile also having the effect of that control precision is high, effect speed is fast using microcontroller implementation hydraulic servocontrol.
Detailed description of the invention
Fig. 1 is the circuit diagram of hydraulic servocontrol equipment provided by the invention.
Appended drawing reference:
1, host computer, 11, industrial personal computer, 12, display, 13, mouse, 14, keyboard, 15, board, 2, slave computer, 21, micro-control
Device processed, 22, digital analog converter, 23, analog-digital converter, 24, input amplifying circuit, 25, output amplifier, 26, adapter, 3,
Hydraulic actuator, 4, feedback transducer.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention 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.
Embodiment 1:
As shown in Figure 1, the embodiment of the present invention 1 provides a kind of hydraulic servocontrol equipment, including host computer 1 and bottom
Machine 2, the slave computer 2 include microcontroller 21, digital analog converter 22, analog-digital converter 23, input amplifying circuit 24 and defeated
Amplifying circuit 25 out；
The host computer 1 is electrically connected with the microcontroller 21, and the microcontroller 21 passes through the digital analog converter 22
It is electrically connected with the output amplifier 25, the output amplifier 25 is electrically connected with hydraulic actuator 3, feedback transducer
4 are electrically connected with the input amplifying circuit 24, and the input amplifying circuit 24 passes through the analog-digital converter 23 and the micro-control
Device 21 processed is electrically connected, and the feedback controller 4 is set on the hydraulic actuator 3.
The present invention provides human-computer interaction function by host computer 1, and host computer 1 is communicated with slave computer 2, and slave computer 2 is matched
Microcontroller 21 is set, microcontroller 21 carries out SERVO CONTROL to hydraulic actuator 3 by receiving the instruction of host computer 1, it is ensured that
Hydraulic actuator 3 follows user instruction to be responded.Specifically, being put after command signal enters microcontroller 21 by output
Big circuit 25 amplifies, and then carries out digital-to-analogue conversion by digital analog converter 22, and output analog control signal is loaded into hydraulic
On executive component 3, by hydraulic actuator 3 realize hydraulic control, thus realize it is hydraulic with user input instruction variation and
The purpose of variation, while also having the advantages that control precision height, fast response time, signal processing are flexible.Microcontroller 21 also connects
Receive feedback transducer 4 feedback signal, feedback controller through 4 input amplifying circuits 24 amplification after, then through analog-digital converter 23 into
Feedback signal is converted to the digital signal that microcontroller 21 is capable of handling by row analog-to-digital conversion, and microcontroller 21 receives digital anti-
Then feedback signal carries out feedback control to hydraulic actuator 3 according to digital feedback signal, realizes hydraulic closed loop feedback control.
The present invention realizes Hydraulic servo drive using microcontroller 21, and control algolithm is simple, it is easy to accomplish, it is time saving and energy saving,
Simple control algolithm ensure that the stability of hydraulic servocontrol equipment quality, and microcontroller 21 also has control precision
Advantage high, effect speed is fast.
Preferably, as shown in Figure 1, the host computer 1 includes industrial personal computer 11, display 12, mouse 13, keyboard 14 and plate
Card 15, the industrial personal computer 11 are electrically connected by the board 15 with the microcontroller 21, the display 12, mouse 13 and
Keyboard 14 is electrically connected with the industrial personal computer 11 respectively.
Control instruction is sent to industrial personal computer 11 by mouse 12 and keyboard 13, control instruction is transmitted to plate by industrial personal computer 11
Card 15, microcontroller 21 is converted to control instruction and be sent to board 15, and microcontroller 21 is according to control instruction to hydraulic
Executive component 3 is controlled, and display 14 shows control process and control result.
Preferably, the industrial personal computer 11 is PLC controller or PC machine.
PLC controller and PC machine are common industrial personal computer 11.
Preferably, as shown in Figure 1, the host computer 1 is electrically connected by adapter 26 with the microcontroller 21.
Adapter 26 realizes the communication connection between host computer 1 and the microcontroller 21 of slave computer 2.
Preferably, the adapter 26 is Ethernet Adaptation Unit, CAN adapter or serial port adapter.
Ethernet Adaptation Unit, CAN adapter and serial port adapter are all common adapters, be can be adapted for different upper
Position machine 1, realizes the communication between host computer 1 and slave computer 2.
Preferably, the output amplifier 25 passes through U/I converter or pwm driver and the hydraulic actuator 3
Electrical connection.
Different hydraulic actuators 3 has different driving interfaces, and U/I converter and pwm driver are all common
Driver is suitable for most of hydraulic actuator 3.
Preferably, the feedback transducer 4 includes pressure sensor, velocity sensor and displacement sensor.
The number pressure of hydraulic actuator 3 is realized by pressure sensor, velocity sensor and displacement sensor respectively
According to the detection of, speed data and displacement data, to realize pressure, speed and the closed loop feedback control of displacement.
Preferably, the hydraulic actuator 3 includes servo valve and proportioning valve.
Servo valve and proportioning valve are common hydraulic actuator.
The above described specific embodiments of the present invention are not intended to limit the scope of the present invention..Any basis
Any other various changes and modifications that technical concept of the invention is made should be included in the guarantor of the claims in the present invention
It protects in range.
Claims (8)
1. a kind of hydraulic servocontrol equipment, which is characterized in that including upper computer and lower computer, the slave computer includes microcontroller
Device, digital analog converter, analog-digital converter, input amplifying circuit and output amplifier；
The host computer is electrically connected with the microcontroller, and the microcontroller is put by the digital analog converter and the output
Big circuit electrical connection, the output amplifier are electrically connected with hydraulic actuator, feedback transducer and input amplification electricity
Road electrical connection, the input amplifying circuit are electrically connected by the analog-digital converter with the microcontroller, the feedback control
Device is set on the hydraulic actuator.
2. hydraulic servocontrol equipment according to claim 1, which is characterized in that the host computer includes industrial personal computer, shows
Show that device, mouse, keyboard and board, the industrial personal computer are electrically connected by the board with the microcontroller, the display,
Mouse and keyboard respectively with the industry control mechatronics.
3. hydraulic servocontrol equipment according to claim 2, which is characterized in that the industrial personal computer be PLC controller or
PC machine.
4. hydraulic servocontrol equipment according to claim 1, which is characterized in that the host computer passes through adapter and institute
State microcontroller electrical connection.
5. hydraulic servocontrol equipment according to claim 4, which is characterized in that the adapter is Ethernet adaptation
Device, CAN adapter or serial port adapter.
6. hydraulic servocontrol equipment according to claim 1, which is characterized in that the output amplifier passes through U/I
Converter or pwm driver are electrically connected with the hydraulic actuator.
7. hydraulic servocontrol equipment according to claim 1, which is characterized in that the feedback transducer includes that pressure passes
Sensor, velocity sensor and displacement sensor.
8. -7 any hydraulic servocontrol equipment according to claim 1, which is characterized in that the hydraulic actuator packet
Include servo valve and proportioning valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811583594.8A CN109488660A (en) | 2018-12-24 | 2018-12-24 | A kind of hydraulic servocontrol equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811583594.8A CN109488660A (en) | 2018-12-24 | 2018-12-24 | A kind of hydraulic servocontrol equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109488660A true CN109488660A (en) | 2019-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811583594.8A Pending CN109488660A (en) | 2018-12-24 | 2018-12-24 | A kind of hydraulic servocontrol equipment |
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| Country | Link |
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| CN (1) | CN109488660A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113389772A (en) * | 2021-06-23 | 2021-09-14 | 华南农业大学 | Agricultural small-size hydraulic pressure station control system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213958A (en) * | 2010-04-12 | 2011-10-12 | 上海天浔智能科技有限公司 | Digital servo controller and corresponding servo control system |
| CN108181854A (en) * | 2018-01-17 | 2018-06-19 | 航天科工智能机器人有限责任公司 | The intelligent modularized Hydraulic servo drive device of robot |
| CN209875616U (en) * | 2018-12-24 | 2019-12-31 | 襄阳航宇机电液压应用技术有限公司 | Hydraulic servo control equipment |
-
2018
- 2018-12-24 CN CN201811583594.8A patent/CN109488660A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213958A (en) * | 2010-04-12 | 2011-10-12 | 上海天浔智能科技有限公司 | Digital servo controller and corresponding servo control system |
| CN108181854A (en) * | 2018-01-17 | 2018-06-19 | 航天科工智能机器人有限责任公司 | The intelligent modularized Hydraulic servo drive device of robot |
| CN209875616U (en) * | 2018-12-24 | 2019-12-31 | 襄阳航宇机电液压应用技术有限公司 | Hydraulic servo control equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113389772A (en) * | 2021-06-23 | 2021-09-14 | 华南农业大学 | Agricultural small-size hydraulic pressure station control system |
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