CN110107558A - Hydraulic test system and test method based on control with computational intelligence - Google Patents
Hydraulic test system and test method based on control with computational intelligence Download PDFInfo
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- CN110107558A CN110107558A CN201910390771.9A CN201910390771A CN110107558A CN 110107558 A CN110107558 A CN 110107558A CN 201910390771 A CN201910390771 A CN 201910390771A CN 110107558 A CN110107558 A CN 110107558A
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Classifications
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- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- 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
-
- 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
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
-
- 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
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
- F15B21/0427—Heating
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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)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The test method of hydraulic test system based on control with computational intelligence.Enterprise is developed and has been developed to computer-aided test both at home and abroad at present, these testing stands are tested for pump performance, and test item is not comprehensive enough, and computer integration degree also needs to be further improved.Its composition of the invention includes: tested pump testing (9), the oil inlet of tested pump testing connects pressure sensor A(8), oil outlet connects pressure sensor B(13), its side is connect by connecting shaft with torque sensor (10), torque sensor connects speed probe (11), speed probe is connect by connecting shaft with alternating-current variable frequency motor (12), pressure sensor B passes through temperature sensor A(14) it is connect with check valve (15), check valve is connect with proportional throttle valve A(16), proportional throttle valve connects proportional pressure control valve (17), proportional pressure control valve is connect with solenoid directional control valve (18).The present invention is used for the hydraulic test system based on control with computational intelligence.
Description
Technical field:
The present invention relates to a kind of hydraulic test system and test method based on control with computational intelligence.
Background technique:
The development trend that intelligent monitoring is current technical field of hydraulic pressure, mesh are carried out to pump performance using computer-assisted device
Preceding have many enterprise and company both at home and abroad computer-aided test developed and developed, however these testing stands are not
For pump performance test, test item is not comprehensive enough, and computer integration degree also needs to be further improved.
Summary of the invention:
The object of the present invention is to provide a kind of hydraulic test system and test method based on control with computational intelligence designs a set of
Pump performance testing stand, to be suitble to carry out quick, accurate, reliable performance test to basic, normal, high hydraulic fluid press pump.
Above-mentioned purpose is realized by following technical scheme:
A kind of hydraulic test system based on control with computational intelligence, composition includes: tested pump testing, the tested pump testing
Oil inlet connects pressure sensor A, and oil outlet connects pressure sensor B, and side is connect by connecting shaft with torque sensor,
The torque sensor connects speed probe, and the speed probe is connect by connecting shaft with alternating-current variable frequency motor,
The pressure sensor B is connect by temperature sensor A with check valve, and the check valve is connect with proportional throttle valve A, institute
The proportional throttle valve connection proportional pressure control valve stated, the proportional pressure control valve are connect with solenoid directional control valve.
The hydraulic test system based on control with computational intelligence, the solenoid directional control valve respectively with temperature sensing
Device B, proportional throttle valve B connection, the temperature sensor B are connect by flow sensor with cooler, the cooler
It is connect by pipeline with filter C, the filter C connection fuel tank.
The hydraulic test system based on control with computational intelligence, the fuel tank top are equipped with liquidometer, institute
The fuel tank stated passes through piping connection filter A, filter B respectively, and the filter A is connect with safety valve, the safety
Valve is connect with fluid infusion pump discharge, temperature sensor C respectively, and the fluid infusion pump intake is connect with the filter B, described
Fluid infusion pump side face is connected to motor by connecting shaft, is connect by pipeline with heater above the fuel tank.
A kind of hydraulic test system and test method based on control with computational intelligence, this method comprises the following steps:
(1) tested solution press pump static properties is tested:
It is the aperture that proportional pressure control valve valve port is automatically adjusted by PC machine control alternating-current variable frequency motor first, automatic load is to change liquid
The operating pressure of press pump adds proportional throttle valve A before proportional pressure control valve, the compression shock pair that proportional pressure control valve can be prevented to generate
The influence of hydraulic pump, sensor and its instrument, shields, and the oil temperature of system is controlled by heater and cooler；
(2) tested solution press pump dynamic performance testing:
By the switching of PC machine control solenoid directional control valve after static properties test, hydraulic oil can only pass through proportional throttle valve B at this time
Outflow, increases the operating pressure of hydraulic pump instantaneously, this, which is equivalent to, outputs a Step Pressure signal, hydraulic pump to hydraulic pump
The experimental data of step response process is by computer-automatic collection, and after the completion of test, what is provided in experimenter's utilisation system divides
Analysis software analyzes experimental data and curve, shows and prints empirical curve and result；
(3) intelligent control of PC machine:
The intelligence control system of PC machine mainly includes 2 parts, and a part is hydraulic test bench, i.e., increases on former testing stand
Pressure sensor A, pressure sensor B, flow sensor, temperature sensor C, temperature sensor A, temperature sensor B, torque pass
Sensor, speed probe, another part are PC machine TT&C system, mainly include information processing and converting system, controller and dynamic
State deformeter, wherein controller has 2 effects, first is that the signal of flow and speed probe progress level conversion and waveform is whole
Shape simultaneously exports and gives I/O card, measuring flow and revolving speed is used for, second is that receive the control signal of computer, and to signal progress power
Amplification, the commutation of control solenoid directional control valve or control alternating-current variable frequency motor carry out hydraulic pump and load automatically, pressure and torque sensor
Signal exported after dynamic strain indicator amplifies to A/D transition card and by PC machine carry out data acquisition.
The utility model has the advantages that
1. structure and method of the invention have mainly carried out comprehensive improvement to pump performance testing stand, it is based on mechanical, electrical, liquid
The thought of Integral computer intelligent control designs a set of pump performance testing stand, to be suitble to basic, normal, high hydraulic fluid press pump
Quick, accurate, reliable performance test is carried out, the drive system of the testing stand uses ac variable speed technology, loading section
It is loaded using advanced stepping digital overflow valve, whole system has computer integration degree height, control precision high
The advantages that.
Structure of the invention is directed to the domestic and international blemish in an otherwise perfect thing in relation to Hydraulic CAT system, proposes pump performance test
Computer intelligent control method it is contemplated that greatly improving the control precision of system, stability and computer integration degree.
Information processing and converting system of the invention includes AD/DA transition card, I/O card, the letter of flow and speed probe
It number carries out level conversion and waveform shaping and exports to give I/O card, be used for measuring flow and revolving speed, the control for receiving computer is believed
Number, and power amplification is carried out to signal, the commutation of control solenoid directional control valve or control stepper motor carry out hydraulic pump and load automatically, press
The signal of power and torque sensor is exported to A/D transition card after dynamic strain indicator amplifies and is adopted by computer progress data
Collection.
The present invention increases throttle valve load compared to the loading system of conventional pump performance test device and ratio is overflow
Valve load is flowed, element needed for throttling loads is few, and structure is simple, and flow is all exported by the outlet of charge valve, and No leakage amount is wanted
The control characteristic of processing, overflow load is preferable, and using automatic load, operates more convenient.
The present invention uses Stepping Digital control system, and system step-less adjustment may be implemented, since stepper motor is by number
Word pulse drives, so not necessary digital-to-analogue conversion achieves that computer controlled automatic, so the application error very little, open loop
Control is that can reach required precision, small power consumption, and structure is again simple.
The present invention has visualized operation interface using PC machine, carries out static and dynamic property to basic, normal, high hydraulic fluid press pump
Can test, computer integration degree is high, and control precision is high, fast response time, good operation performance, have good practicability with
Versatility, while being also applied for other hydraulic systems.
Detailed description of the invention:
Attached drawing 1 is test philosophy structural schematic diagram of the invention.
Attached drawing 2 is intelligence control system block diagram of the present invention.
Specific embodiment:
Embodiment 1:
A kind of hydraulic test system based on control with computational intelligence, composition includes: tested pump testing 9, the tested pump testing
Oil inlet connect pressure sensor A8, oil outlet connect pressure sensor B13, side pass through connecting shaft and torque sensor
10 connections, the torque sensor connect speed probe 11, and the speed probe passes through connecting shaft and AC frequency conversion
Motor 12 connects, and the pressure sensor B is connect by temperature sensor A14 with check valve 15, the check valve and than
Example throttle valve A 16 connects, and the proportional throttle valve connects proportional pressure control valve 17, the proportional pressure control valve and solenoid directional control valve
18 connections.
Embodiment 2:
According to the hydraulic test system described in embodiment 1 based on control with computational intelligence, the solenoid directional control valve respectively with
Temperature sensor B20, proportional throttle valve B19 connection, the temperature sensor B are connected by flow sensor 21 and cooler 22
It connects, the cooler is connect by pipeline with filter C23, the filter C connection fuel tank.
Embodiment 3:
According to the hydraulic test system as described in example 2 based on control with computational intelligence, liquid is installed above the fuel tank
Position meter 1, the fuel tank passes through piping connection filter A2, filter B 3 respectively, and the filter A is connect with safety valve 6,
The safety valve is connect with 5 outlet of fluid infusion pump, temperature sensor C7 respectively, the fluid infusion pump intake and the filter
B connection, the fluid infusion pump side face are connected to motor by connecting shaft, are connected above the fuel tank by pipeline and heater 4
It connects.
Embodiment 4:
A kind of hydraulic test system and test method using described in embodiment 1-3 based on control with computational intelligence, this method
Include the following steps:
(1) tested solution press pump static properties is tested:
It is the aperture that proportional pressure control valve valve port is automatically adjusted by PC machine control alternating-current variable frequency motor first, automatic load is to change liquid
The operating pressure of press pump adds proportional throttle valve A before proportional pressure control valve, the compression shock pair that proportional pressure control valve can be prevented to generate
The influence of hydraulic pump, sensor and its instrument, shields, and the oil temperature of system is controlled by heater and cooler；
(2) tested solution press pump dynamic performance testing:
By the switching of PC machine control solenoid directional control valve after static properties test, hydraulic oil can only pass through proportional throttle valve B at this time
Outflow, increases the operating pressure of hydraulic pump instantaneously, this, which is equivalent to, outputs a Step Pressure signal, hydraulic pump to hydraulic pump
The experimental data of step response process is by computer-automatic collection, and after the completion of test, what is provided in experimenter's utilisation system divides
Analysis software analyzes experimental data and curve, shows and prints empirical curve and result；
(3) intelligent control of PC machine:
The intelligence control system of PC machine mainly includes 2 parts, and a part is hydraulic test bench, i.e., increases on former testing stand
Pressure sensor A, pressure sensor B, flow sensor, temperature sensor C, temperature sensor A, temperature sensor B, torque pass
Sensor, speed probe, another part are PC machine TT&C system, mainly include information processing and converting system, controller and dynamic
State deformeter, wherein controller has 2 effects, first is that the signal of flow and speed probe progress level conversion and waveform is whole
Shape simultaneously exports and gives I/O card, measuring flow and revolving speed is used for, second is that receive the control signal of computer, and to signal progress power
Amplification, the commutation of control solenoid directional control valve or control alternating-current variable frequency motor carry out hydraulic pump and load automatically, pressure and torque sensor
Signal exported after dynamic strain indicator amplifies to A/D transition card and by PC machine carry out data acquisition.
Claims (4)
1. a kind of hydraulic test system based on control with computational intelligence, composition includes: tested pump testing, it is characterized in that: described
Tested pump testing oil inlet connect pressure sensor A, oil outlet connect pressure sensor B, side by connecting shaft with turn
The connection of square sensor, the torque sensor connect speed probe, the speed probe by connecting shaft with exchange
Variable-frequency motor connection, the pressure sensor B are connect by temperature sensor A with check valve, the check valve and ratio
Throttle valve A connection, the proportional throttle valve connect proportional pressure control valve, and the proportional pressure control valve is connect with solenoid directional control valve.
2. the hydraulic test system according to claim 1 based on control with computational intelligence, it is characterized in that: the electromagnetism
Reversal valve is connect with temperature sensor B, proportional throttle valve B respectively, and the temperature sensor B passes through flow sensor and cooling
Device connection, the cooler are connect by pipeline with filter C, the filter C connection fuel tank.
3. the hydraulic test system according to claim 2 based on control with computational intelligence, it is characterized in that: the fuel tank
Top is equipped with liquidometer, and the fuel tank passes through piping connection filter A, filter B, the filter A and peace respectively
Full valve connection, the safety valve connect with fluid infusion pump discharge, temperature sensor C respectively, the fluid infusion pump intake with it is described
Filter B connection, the fluid infusion pump side face is connected to motor by connecting shaft, above the fuel tank by pipeline with plus
Hot device connection.
4. a kind of test side using the hydraulic test system based on control with computational intelligence described in one of claim 1-3
Method, it is characterized in that: this method comprises the following steps:
(1) tested solution press pump static properties is tested:
It is the aperture that proportional pressure control valve valve port is automatically adjusted by PC machine control alternating-current variable frequency motor first, automatic load is to change liquid
The operating pressure of press pump adds proportional throttle valve A before proportional pressure control valve, the compression shock pair that proportional pressure control valve can be prevented to generate
The influence of hydraulic pump, sensor and its instrument, shields, and the oil temperature of system is controlled by heater and cooler；
(2) tested solution press pump dynamic performance testing:
By the switching of PC machine control solenoid directional control valve after static properties test, hydraulic oil can only pass through proportional throttle valve B at this time
Outflow, increases the operating pressure of hydraulic pump instantaneously, this, which is equivalent to, outputs a Step Pressure signal, hydraulic pump to hydraulic pump
The experimental data of step response process is by computer-automatic collection, and after the completion of test, what is provided in experimenter's utilisation system divides
Analysis software analyzes experimental data and curve, shows and prints empirical curve and result；
(3) intelligent control of PC machine:
The intelligence control system of PC machine mainly includes 2 parts, and a part is hydraulic test bench, i.e., increases on former testing stand
Pressure sensor A, pressure sensor B, flow sensor, temperature sensor C, temperature sensor A, temperature sensor B, torque pass
Sensor, speed probe, another part are PC machine TT&C system, mainly include information processing and converting system, controller and dynamic
State deformeter, wherein controller has 2 effects, first is that the signal of flow and speed probe progress level conversion and waveform is whole
Shape simultaneously exports and gives I/O card, measuring flow and revolving speed is used for, second is that receive the control signal of computer, and to signal progress power
Amplification, the commutation of control solenoid directional control valve or control alternating-current variable frequency motor carry out hydraulic pump and load automatically, pressure and torque sensor
Signal exported after dynamic strain indicator amplifies to A/D transition card and by PC machine carry out data acquisition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910390771.9A CN110107558A (en) | 2019-05-10 | 2019-05-10 | Hydraulic test system and test method based on control with computational intelligence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910390771.9A CN110107558A (en) | 2019-05-10 | 2019-05-10 | Hydraulic test system and test method based on control with computational intelligence |
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| Publication Number | Publication Date |
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| CN110107558A true CN110107558A (en) | 2019-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910390771.9A Pending CN110107558A (en) | 2019-05-10 | 2019-05-10 | Hydraulic test system and test method based on control with computational intelligence |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852991A (en) * | 2020-07-06 | 2020-10-30 | 珠海格力智能装备有限公司 | Intelligent control device and method for electric pulse oil pressure test equipment |
| CN112213116A (en) * | 2020-09-30 | 2021-01-12 | 江苏艾威机械制造有限公司 | Agricultural machine test bed and control method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU723242A1 (en) * | 1978-08-14 | 1980-03-25 | Ордена Трудового Красного Знамени Институт Горного Дела Им. А.А.Скочинского | Stand for dynamically testing of positive-displacement hydraulic drive |
| CN104632785A (en) * | 2014-12-04 | 2015-05-20 | 黑龙江大学 | Hydraulic testing system based on computer intelligent control and testing method thereof |
| CN107575437A (en) * | 2017-11-01 | 2018-01-12 | 燕山大学 | A kind of aerospace hydraulic pump and fluid pressure line performance test experiment table |
-
2019
- 2019-05-10 CN CN201910390771.9A patent/CN110107558A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU723242A1 (en) * | 1978-08-14 | 1980-03-25 | Ордена Трудового Красного Знамени Институт Горного Дела Им. А.А.Скочинского | Stand for dynamically testing of positive-displacement hydraulic drive |
| CN104632785A (en) * | 2014-12-04 | 2015-05-20 | 黑龙江大学 | Hydraulic testing system based on computer intelligent control and testing method thereof |
| CN107575437A (en) * | 2017-11-01 | 2018-01-12 | 燕山大学 | A kind of aerospace hydraulic pump and fluid pressure line performance test experiment table |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852991A (en) * | 2020-07-06 | 2020-10-30 | 珠海格力智能装备有限公司 | Intelligent control device and method for electric pulse oil pressure test equipment |
| CN111852991B (en) * | 2020-07-06 | 2022-04-22 | 珠海格力智能装备有限公司 | Intelligent control device and method for electric pulse oil pressure test equipment |
| CN112213116A (en) * | 2020-09-30 | 2021-01-12 | 江苏艾威机械制造有限公司 | Agricultural machine test bed and control method thereof |
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Application publication date: 20190809 |
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