CN106640852A - Detection and control system of servo valve temperature screen - Google Patents
Detection and control system of servo valve temperature screen Download PDFInfo
- Publication number
- CN106640852A CN106640852A CN201710016044.7A CN201710016044A CN106640852A CN 106640852 A CN106640852 A CN 106640852A CN 201710016044 A CN201710016044 A CN 201710016044A CN 106640852 A CN106640852 A CN 106640852A
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- China
- Prior art keywords
- servo valve
- control
- hydraulic
- volt
- computer
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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
-
- 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
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
- Servomotors (AREA)
Abstract
The invention provides a detection and control system of a servo valve temperature screen. The detection and control system includes a hydraulic system and a computer detection and control system; a hydraulic source of the hydraulic system is connected to a servo valve through an oil supply path and an oil return path; the servo valve is connected to a hydraulic cylinder through an oil inlet path and an oil outlet path; a displacement sensor is connected to a piston of the hydraulic cylinder; an input end of a detection element of the computer detection and control system is connected to the hydraulic cylinder, and an output end of the detection element is connected to a working control machine through a conditioning circuit; the working control machine is connected to a volt-ampere amplifier; and the volt-ampere amplifier is connected to a servo valve through a control signal line and a feedback signal line. The detection and control system is simple in structure, and can send detected data to the working control machine through conditioning circuit according to the measured actual working state; the working control machine can analyze and process the detected data and output a signal to the volt-ampere amplifier, automatic control can be achieved, and the working efficiency is improved; dual-working station control can make the system being modularized and make operation convenient; and an analog signal unit can perform direct control on the hydraulic system.
Description
Technical field
The present invention relates to technical field of hydraulic equipment, and in particular to a kind of TT&C system of servo valve temperature sieve.
Background technology
Servo valve is a kind of senior, accurate Hydraulic Elements, is integrated with machinery, electronics and hydraulic technique.It has dynamic
The advantages of response is fast, control accuracy is high, anti-loading rigidity is big, is widely used to the neck such as Aeronautics and Astronautics, naval vessel, metallurgy, chemical industry
Domain.But, current most systems are just for a kind of job requirement, it is impossible to flexible to change hydraulic cylinder to carry out different requirements
Work, equally when certain part goes wrong in computer control system, without others control modes come make equipment after
Reforwarding row.
Accordingly, it is desirable to provide one kind can improve servo valve detection efficiency and quality, and double control, double can be realized
The TT&C system of servo valve temperature sieve.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of TT&C system of servo valve temperature sieve, by the double of servo valve
Control, manually being controlled to hydraulic system, by double control system modular and clever can be made by control input signal
Conversion hydraulic cylinder living, meets different work requirements.
To solve above-mentioned technical problem, the present invention adopts following technical proposals:
A kind of TT&C system of servo valve temperature sieve, including hydraulic system and computer measurement and control system, the hydraulic system bag
Hydraulic power source, servo valve, hydraulic cylinder and displacement transducer are included, the hydraulic power source is connected by oil passage and oil return line with servo valve,
The servo valve is connected by in-line and vent line with hydraulic cylinder, and institute's displacement sensors are connected with the piston of hydraulic cylinder;Institute
Computer measurement and control system is stated including detecting element, modulate circuit, industrial computer and volt-ampere amplifier, the input of the detecting element
It is connected with hydraulic cylinder, the output end of the detecting element is connected by modulate circuit with industrial computer, and the industrial computer is put with volt-ampere
Big device connection, the volt-ampere amplifier is connected by control signal wire and feedback signal line with servo valve.
Preferably, the computer measurement and control system also includes analog signal unit, and the analog signal unit is put with volt-ampere
Big device connection.Industrial computer and analog signal unit are connected respectively by volt-ampere amplifier with servo valve, are realized to the double of servo valve
Control, industrial computer and analog signal unit can be with flexible conversions.Analog signal unit can manually control input signal realize it is right
The direct control of servo valve.
Preferably, the industrial computer includes the first data collecting card, human-computer interaction interface and the second data collecting card, described
First data collecting card is connected respectively with the input and modulate circuit of human-computer interaction interface, the second data collecting card difference
It is connected with the output end and volt-ampere amplifier of human-computer interaction interface.The detecting element is by the analog signal for collecting by conditioning
Circuit passes to the first data collecting card, and the analog signal is converted into data signal and is passed to man-machine by the first data collecting card
Interactive interface, human-computer interaction interface is analyzed process to the data signal, and the data signal after process is passed to into second
The data signal is converted into analog signal and passes to a volt-ampere amplifier by data collecting card, the second data collecting card, and volt-ampere amplifies
The analog signal is passed to servo valve by device.
Preferably, the hydraulic cylinder is provided with control socket, and the detecting element is connected with control socket.Double passes through
Change computer measurement and control system and realize that plug design is in meter with the plug of hydraulic system, detection means and computer measurement and control system
Disk is inserted for an integrated circular control in calculation machine TT&C system outside.
Preferably, the computer measurement and control system also includes display and printer.
Preferably, the TT&C system of the servo valve temperature sieve also includes mechanical system, and the mechanical system is included for putting
Put the mechanical stand of hydraulic system.
Beneficial effects of the present invention are as follows:
The present invention a kind of servo valve temperature sieve TT&C system as a result of above technical scheme, with following beneficial effect
Really:
(1) servo valve temperature of the invention sieves the simple structure of TT&C system, according to the actual working state of measurement, will detect
Data send industrial computer to by modulate circuit, and industrial computer is analyzed to it and processes and output signal to volt-ampere amplifier to control
Servo valve processed, can reach and automatically control, and improve operating efficiency.
(2) servo valve temperature of the invention sieve TT&C system is by changing computer measurement and control system with hydraulic system, detection dress
Put and realize double control with the plug of computer measurement and control system, plug design is that an integrated circular control is inserted in its exterior
Disk, makes system modular, more convenient to operate.
(3) computer measurement and control system that servo valve temperature of the invention is sieved in TT&C system contain analog signal unit can be with
Carry out the direct control to hydraulic system.
(4) by arranging sensor, test temperature, test speed, test position can be controlled, simulates various surveys
Strip part.
Description of the drawings
The specific embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 illustrates a kind of main structure diagram of the TT&C system of servo valve temperature sieve of the present invention.
Each mark is as follows in figure:1 hydraulic system, 11 hydraulic power sources, 12 servo valves, 13 hydraulic cylinders, 131 control sockets, 14
Displacement sensor, 2 computer measurement and control systems, 21 detecting elements, 22 modulate circuits, 23 industrial computers, 231 first data collecting cards, 232
Human-computer interaction interface, 233 second data collecting cards, 24 analog signal units, 25 volt-amperes of amplifiers.
Specific embodiment
In order to be illustrated more clearly that the present invention, the present invention is done further with reference to preferred embodiments and drawings
It is bright.Similar part is indicated with identical reference in accompanying drawing.It will be appreciated by those skilled in the art that below institute is concrete
The content of description is illustrative and be not restrictive, and should not be limited the scope of the invention with this.
As shown in figure 1, a kind of TT&C system of servo valve temperature sieve, including mechanical system, hydraulic system 1 and computer measurement and control
System 2, the mechanical system includes mechanical stand, and the mechanical stand is used to place hydraulic system 1.
The hydraulic system 1 includes hydraulic power source 11, servo valve 12, hydraulic cylinder 13 and displacement transducer 14, the hydraulic power source
11 are connected by oil passage and oil return line with servo valve 12, and the servo valve 12 is connected by in-line and vent line with hydraulic cylinder 13
Connect, institute's displacement sensors 14 are connected with the piston of hydraulic cylinder 13;The hydraulic cylinder 13 is provided with control socket 131, the inspection
Survey element 21 to be connected with control socket 131.
The computer measurement and control system 2 includes detecting element 21, modulate circuit 22, industrial computer 23 and volt-ampere amplifier 25,
The computer measurement and control system 2 also includes display and printer.The input of the detecting element 21 and the control of hydraulic cylinder 13
Socket processed 131 connects, and the output end of the detecting element 21 is by modulate circuit 22 and the first data collecting card of industrial computer 23
231 connections, the industrial computer 23 is connected with volt-ampere amplifier 25, and the volt-ampere amplifier 25 is by control signal wire and feedback letter
Number line is connected with servo valve 12.
The industrial computer 23 includes the first data collecting card 231, the data collecting card 233 of human-computer interaction interface 232 and second,
First data collecting card 231 is connected respectively with the input and modulate circuit 22 of human-computer interaction interface 232, second number
It is connected with the output end and volt-ampere amplifier 25 of human-computer interaction interface 232 respectively according to capture card 233.The detecting element 21 will be adopted
The analog signal for collecting passes to the first data collecting card 231 by modulate circuit 22, and the first data collecting card 231 simulates this
Signal is converted into data signal and passes to human-computer interaction interface 232, and 232 pairs of data signals of human-computer interaction interface are analyzed
Process, and the data signal after process is passed to into the second data collecting card 233, the second data collecting card 233 believes the numeral
Number being converted into analog signal passes to volt-ampere amplifier 25, and the analog signal is passed to servo valve 12 by volt-ampere amplifier 25.
The computer measurement and control system 2 also includes analog signal unit 24, and the analog signal unit 24 amplifies with volt-ampere
Device 25 connects.Industrial computer 23 and analog signal unit 24 are connected respectively by volt-ampere amplifier 25 with servo valve 12, are realized to watching
The double control of valve 12 is taken, industrial computer 23 and analog signal unit 24 can be with flexible conversions.Analog signal unit 24 can be with people's industry control
Input signal processed realizes the direct control to servo valve 12.
Double is by changing computer measurement and control system 2 and hydraulic system 1, detection means and computer measurement and control system 2
Plug realizes that plug design inserts disk outside computer measurement and control system 2 for an integrated circular control.When hydraulic system 1 works
For a period of time, hydraulic cylinder 13 starts heating, it is impossible to work on, can be by the plug of computer measurement and control system 2 from hydraulic cylinder 13
Remove on control socket 131, shift to another hydraulic system 1 and work on, improve operating efficiency.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not right
The restriction of embodiments of the present invention, for those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms, all of embodiment cannot be exhaustive here, it is every to belong to this
Obvious change that bright technical scheme is amplified out changes row still in protection scope of the present invention.
Claims (6)
1. the TT&C system that a kind of servo valve temperature is sieved, it is characterised in that:Including hydraulic system (1) and computer measurement and control system (2),
The hydraulic system (1) includes hydraulic power source (11), servo valve (12), hydraulic cylinder (13) and displacement transducer (14), the hydraulic pressure
Source (11) is connected by oil passage and oil return line with servo valve (12), and the servo valve (12) is by in-line and vent line and liquid
Cylinder pressure (13) connects, and institute's displacement sensors (14) is connected with the piston of hydraulic cylinder (13);
The computer measurement and control system (2) includes detecting element (21), modulate circuit (22), industrial computer (23) and volt-ampere amplifier
(25), the input of the detecting element (21) is connected with hydraulic cylinder (13), and the output end of the detecting element (21) is by adjusting
Reason circuit (22) is connected with industrial computer (23), and the industrial computer (23) is connected with volt-ampere amplifier (25), the volt-ampere amplifier
(25) it is connected with servo valve (12) by control signal wire and feedback signal line.
2. the TT&C system that a kind of servo valve temperature according to claim 1 is sieved, it is characterised in that:The computer measurement and control system
System (2) also includes analog signal unit (24), and the analog signal unit (24) is connected with volt-ampere amplifier (25).
3. the TT&C system that a kind of servo valve temperature according to claim 2 is sieved, it is characterised in that:Industrial computer (23) bag
Include the first data collecting card (231), human-computer interaction interface (232) and the second data collecting card (233), first data acquisition
Card (231) is connected respectively with the input and modulate circuit (22) of human-computer interaction interface (232), second data collecting card
(233) it is connected with the output end and volt-ampere amplifier (25) of human-computer interaction interface (232) respectively.
4. the TT&C system that a kind of servo valve temperature according to claim 3 is sieved, it is characterised in that:On the hydraulic cylinder (13)
Control socket (131) is provided with, the detecting element (21) is connected with control socket (131).
5. the TT&C system that a kind of servo valve temperature according to claim 1 is sieved, it is characterised in that:The computer measurement and control system
System (2) also includes display and printer.
6. the TT&C system that a kind of servo valve temperature according to claim 1 is sieved, it is characterised in that:The servo valve temperature sieve
TT&C system also includes mechanical system, and the mechanical system includes the mechanical stand for placing hydraulic system (1).
Priority Applications (1)
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CN201710016044.7A CN106640852B (en) | 2017-01-10 | 2017-01-10 | A kind of TT&C system of servo valve temperature sieve |
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CN201710016044.7A CN106640852B (en) | 2017-01-10 | 2017-01-10 | A kind of TT&C system of servo valve temperature sieve |
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CN106640852A true CN106640852A (en) | 2017-05-10 |
CN106640852B CN106640852B (en) | 2018-11-23 |
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Citations (9)
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CN101059694A (en) * | 2007-06-05 | 2007-10-24 | 西北工业大学 | Friction welding machine closed loop control device |
CN101699284A (en) * | 2009-03-30 | 2010-04-28 | 刘建坤 | Frozen-soil experiment system capable of applying dynamic load |
CN101813109A (en) * | 2010-04-02 | 2010-08-25 | 山东电力研究院 | Servo valve test system |
CN102478033A (en) * | 2010-11-30 | 2012-05-30 | 沈阳理工大学 | Measuring and controlling system of electro-hydraulic servo valve |
CN103660360A (en) * | 2013-11-05 | 2014-03-26 | 天津市天二锻压机床有限公司 | Intelligent control system for four-column hydraulic machine tool |
CN103760806A (en) * | 2013-12-31 | 2014-04-30 | 广州机械科学研究院有限公司 | High-frequency electro-hydraulic servo shock excitation system applied to vehicle inspection and test industry and control method |
CN204422702U (en) * | 2014-12-18 | 2015-06-24 | 赣州天文磁业有限公司 | A kind of ratio electromagnet performance test system |
CN105004525A (en) * | 2015-07-03 | 2015-10-28 | 西安航天动力试验技术研究所 | Liquid-propellant rocket engine test thrust calibration system and calibration method |
CN204942156U (en) * | 2015-09-18 | 2016-01-06 | 马鞍山马钢华阳设备诊断工程有限公司 | A kind of servovalve detection system |
-
2017
- 2017-01-10 CN CN201710016044.7A patent/CN106640852B/en not_active Expired - Fee Related
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101059694A (en) * | 2007-06-05 | 2007-10-24 | 西北工业大学 | Friction welding machine closed loop control device |
CN101699284A (en) * | 2009-03-30 | 2010-04-28 | 刘建坤 | Frozen-soil experiment system capable of applying dynamic load |
CN101813109A (en) * | 2010-04-02 | 2010-08-25 | 山东电力研究院 | Servo valve test system |
CN102478033A (en) * | 2010-11-30 | 2012-05-30 | 沈阳理工大学 | Measuring and controlling system of electro-hydraulic servo valve |
CN103660360A (en) * | 2013-11-05 | 2014-03-26 | 天津市天二锻压机床有限公司 | Intelligent control system for four-column hydraulic machine tool |
CN103760806A (en) * | 2013-12-31 | 2014-04-30 | 广州机械科学研究院有限公司 | High-frequency electro-hydraulic servo shock excitation system applied to vehicle inspection and test industry and control method |
CN204422702U (en) * | 2014-12-18 | 2015-06-24 | 赣州天文磁业有限公司 | A kind of ratio electromagnet performance test system |
CN105004525A (en) * | 2015-07-03 | 2015-10-28 | 西安航天动力试验技术研究所 | Liquid-propellant rocket engine test thrust calibration system and calibration method |
CN204942156U (en) * | 2015-09-18 | 2016-01-06 | 马鞍山马钢华阳设备诊断工程有限公司 | A kind of servovalve detection system |
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Granted publication date: 20181123 Termination date: 20200110 |