CN110219839A - A kind of mute oil sources of testing machine electro-hydraulic servo dynamic test energy-saving servo - Google Patents
A kind of mute oil sources of testing machine electro-hydraulic servo dynamic test energy-saving servo Download PDFInfo
- Publication number
- CN110219839A CN110219839A CN201910617363.2A CN201910617363A CN110219839A CN 110219839 A CN110219839 A CN 110219839A CN 201910617363 A CN201910617363 A CN 201910617363A CN 110219839 A CN110219839 A CN 110219839A
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- China
- Prior art keywords
- servo
- driver
- pressure
- motor
- oil
- Prior art date
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- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 238000006073 displacement reaction Methods 0.000 claims abstract description 18
- 239000002828 fuel tank Substances 0.000 claims abstract description 9
- 238000004364 calculation method Methods 0.000 claims abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 18
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits 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
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/16—Special measures for feedback, e.g. by a follow-up device
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20538—Type of pump constant capacity
Landscapes
- 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)
Abstract
The mute oil sources of a kind of testing machine electro-hydraulic servo dynamic test energy-saving servo of the invention, servo motor is drivingly connected constant displacement pump, the oil inlet and oil outlet of the constant displacement pump are connected separately with oil inlet pipe and flowline, oil inlet pipe is connected with fuel tank, the pressure sensor for detecting the oil pressure force signal in flowline is provided on flowline, pressure sensor signal is connected with pressure transmitter, pressure transmitter connects the feedback signal input terminal of servo-driver with motor encoder signal, the control signal input of the control signal output connection servo-driver of controller, the control signal output of servo-driver connects servo motor, the control instruction for the controller sending that servo-driver is used to receive and the pressure signal fed back, motor encoder signal carries out closed-loop control calculation processing and adjusts the revolving speed of servo motor The beneficial effects of the present invention are: energy conservation, low noise, system pressure is adjustable.
Description
Technical field
The present invention relates to a kind of mute oil sources of testing machine electro-hydraulic servo dynamic test energy-saving servo.
Background technique
The electro-hydraulic Hydraulic servo system of existing testing machine uses Constant Pump System, and supply exceed demand for oil liquid in test, a large amount of hydraulic oil
Overflow oil return box forms energy waste and its structure is complicated, and energy consumption is higher, and noise is big, higher operating costs.
Summary of the invention
To solve the above technical deficiency, the present invention provides a kind of energy conservation, the testing machine electro-hydraulic servo of low noise is dynamic
The state test mute oil sources of energy-saving servo.
The present invention is achieved by the following measures:
The mute oil sources of a kind of testing machine electro-hydraulic servo dynamic test energy-saving servo of the invention, including fuel tank further include control
Device, constant displacement pump, the servo-driver for having closed loop control algorithm function and translator encoder servo motor, servo electricity
Machine is drivingly connected constant displacement pump, and the oil inlet and oil outlet of the constant displacement pump are connected separately with oil inlet pipe and flowline, the oil inlet
Pipe is connected with fuel tank, and the pressure sensor for detecting the oil pressure force signal in flowline, institute are provided on the flowline
It states pressure sensor signal and is connected with pressure transmitter, the pressure transmitter connects servo-driver with motor encoder signal
Feedback signal input terminal, controller control signal output connection servo-driver control signal input, servo drive
The control signal output of dynamic device connects servo motor, and the servo-driver is used for the control for issuing the controller received
Pressure signal, the motor encoder signal for instructing and feeding back carry out closed-loop control calculation processing and adjust servo motor
Revolving speed.
Above-mentioned servo motor and constant displacement pump are horizontally installed on tank bottoms.
The beneficial effects of the present invention are: 1. energy conservations: ultralow power consumption, with Constant Pump System compared with can energy saving 30% ~
50%, so that use cost be greatly reduced.2. low noise: significantly reducing the noise of pressure control operations.3. height response: repeating
Precision is high, fast response time.4. system pressure is adjustable: adjusting setting system pressure in real time by adjusting adjusting pressuring knob, meet
Different operating conditions uses different pressure, to reduce power of motor consumption.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of invention.
Fig. 2 is control principle block diagram of the invention.
Wherein: 1 fuel tank, 2 constant displacement pumps, 3 servo motors, 4 pressure sensors, 5 flowlines.
Specific embodiment
Further detailed description is done to the present invention with reference to the accompanying drawing:
As shown in Figure 1, 2, the mute oil sources of a kind of testing machine electro-hydraulic servo dynamic test energy-saving servo of the invention, including fuel tank
1, the servo motor 3 of controller, constant displacement pump 2, the servo-driver for having closed loop control algorithm function and translator encoder, is watched
It takes motor 3 and is drivingly connected constant displacement pump 2, the oil inlet and oil outlet of constant displacement pump 2 are connected separately with oil inlet pipe and flowline 5, oil inlet
Pipe is connected with fuel tank 1, and the pressure sensor 4 for detecting the oil pressure force signal in flowline 5 is provided on flowline 5, presses
4 signal of force snesor is connected with pressure transmitter, and pressure transmitter connects the feedback of servo-driver with motor encoder signal
Signal input part, the control signal input of the control signal output connection servo-driver of controller, servo-driver
Control signal output connects servo motor 3, control instruction of the servo-driver for issuing the controller that receive and
Pressure signal, the motor encoder signal fed back carries out closed-loop control calculation processing and adjusts the revolving speed of servo motor 3.It watches
It takes motor 3 and constant displacement pump 2 is horizontally installed on 1 bottom of fuel tank.
System pressure P and flow Q the default control ginseng that controller of the invention needs when being worked according to dynamic test system
Number, and it is sent to servo-driver, 2 fuel feeding of constant displacement pump is driven by 2 driver of constant displacement pump driving servo motor 3, then passed by pressure
Sensor 4 feeds back actual pressure signal to servo-driver, and servo-driver is with according to the instruction of controller, pressure feedback signal and electricity
Machine encoder carries out accurate pressure closed loop control, adjusts 3 revolving speed of servo motor, to reach with how much to how many flow demands,
Overflow phenomena is eliminated, extra flow waste is avoided.Energy of the servo motor 3 in the load range entirely changed is set to disappear
Consumption reaches required minimum.
The present invention using high response servo-control system so that the output power of dynamic hydraulic system with system is practical disappears
Consumption matches, and avoids the loss of high pressure throttling overflow energy, and the structure type compared to ordinary motor driving constant displacement pump 2 can save
30% ~ 50%, economic benefit is obvious.Calorific value of the present invention is significantly reduced, and increases the use of oil circuit hydraulic seal and hydraulic oil
The noise in service life, simultaneity factor is significantly reduced.And operation and maintenance expense is substantially reduced, and meets current international energy conservation and environmental protection
Requirement.
The above is only the preferred embodiment of this patent, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the art of this patent principle, several improvement and replacement can also be made, these are improved and replacement
Also it should be regarded as the protection scope of this patent.
Claims (2)
1. a kind of mute oil sources of testing machine electro-hydraulic servo dynamic test energy-saving servo, including fuel tank, it is characterised in that: further include
Controller, constant displacement pump, the servo-driver for having closed loop control algorithm function and translator encoder servo motor, it is described to watch
Motor driven connection constant displacement pump is taken, the oil inlet and oil outlet of the constant displacement pump are connected separately with oil inlet pipe and flowline, described
Oil inlet pipe is connected with fuel tank, and the pressure sensing for detecting the oil pressure force signal in flowline is provided on the flowline
Device, the pressure sensor signal are connected with pressure transmitter, and the pressure transmitter connects servo with motor encoder signal
The feedback signal input terminal of driver, the control signal input of the control signal output connection servo-driver of controller,
The control signal output of servo-driver connects servo motor, and the servo-driver is used to issue the controller received
Control instruction and the pressure signal, the motor encoder signal that feed back carry out closed-loop control calculation processing and adjusting servo
The revolving speed of motor.
2. the mute oil sources of testing machine electro-hydraulic servo dynamic test energy-saving servo according to claim 1, it is characterised in that: institute
It states servo motor and constant displacement pump is horizontally installed on tank bottoms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910617363.2A CN110219839A (en) | 2019-07-10 | 2019-07-10 | A kind of mute oil sources of testing machine electro-hydraulic servo dynamic test energy-saving servo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910617363.2A CN110219839A (en) | 2019-07-10 | 2019-07-10 | A kind of mute oil sources of testing machine electro-hydraulic servo dynamic test energy-saving servo |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110219839A true CN110219839A (en) | 2019-09-10 |
Family
ID=67813050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910617363.2A Pending CN110219839A (en) | 2019-07-10 | 2019-07-10 | A kind of mute oil sources of testing machine electro-hydraulic servo dynamic test energy-saving servo |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110219839A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504656A (en) * | 2020-12-17 | 2021-03-16 | 中国科学院沈阳自动化研究所 | Buoyancy adjusting mechanism testing device for simulating underwater pressure environment |
| CN112524106A (en) * | 2019-09-18 | 2021-03-19 | 上海禾之木工业设备有限公司 | Servo hydraulic pump system for die casting machine |
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|---|---|---|---|---|
| CN102632599A (en) * | 2012-03-27 | 2012-08-15 | 宁波恩瑞德机电科技有限公司 | Control system of injection molding machine |
| CN102744846A (en) * | 2011-04-20 | 2012-10-24 | 宁波高新区安立特电气科技有限公司 | Injection molding machine |
| CN104441527A (en) * | 2014-11-14 | 2015-03-25 | 安徽欧通机电科技股份有限公司 | Injection molding machine based on servo energy conservation improvement of oil pump |
| CN204284038U (en) * | 2014-11-25 | 2015-04-22 | 无锡海天机械有限公司 | A kind of energy-saving dynamic system for Servo Injection Molding Machine |
| KR20160129391A (en) * | 2015-04-30 | 2016-11-09 | 주식회사 동신이엔텍 | Servo hybrid actuator system for pitch or yaw bearing tester |
| CN108708887A (en) * | 2018-07-19 | 2018-10-26 | 上海衡拓液压控制技术有限公司 | The servo valve testing stand of energy-saving and noise-reducing |
| CN210153008U (en) * | 2019-07-10 | 2020-03-17 | 济南东测试验机技术有限公司 | Servo energy-saving silent oil source for electro-hydraulic servo dynamic test of testing machine |
-
2019
- 2019-07-10 CN CN201910617363.2A patent/CN110219839A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744846A (en) * | 2011-04-20 | 2012-10-24 | 宁波高新区安立特电气科技有限公司 | Injection molding machine |
| CN102632599A (en) * | 2012-03-27 | 2012-08-15 | 宁波恩瑞德机电科技有限公司 | Control system of injection molding machine |
| CN104441527A (en) * | 2014-11-14 | 2015-03-25 | 安徽欧通机电科技股份有限公司 | Injection molding machine based on servo energy conservation improvement of oil pump |
| CN204284038U (en) * | 2014-11-25 | 2015-04-22 | 无锡海天机械有限公司 | A kind of energy-saving dynamic system for Servo Injection Molding Machine |
| KR20160129391A (en) * | 2015-04-30 | 2016-11-09 | 주식회사 동신이엔텍 | Servo hybrid actuator system for pitch or yaw bearing tester |
| CN108708887A (en) * | 2018-07-19 | 2018-10-26 | 上海衡拓液压控制技术有限公司 | The servo valve testing stand of energy-saving and noise-reducing |
| CN210153008U (en) * | 2019-07-10 | 2020-03-17 | 济南东测试验机技术有限公司 | Servo energy-saving silent oil source for electro-hydraulic servo dynamic test of testing machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524106A (en) * | 2019-09-18 | 2021-03-19 | 上海禾之木工业设备有限公司 | Servo hydraulic pump system for die casting machine |
| CN112504656A (en) * | 2020-12-17 | 2021-03-16 | 中国科学院沈阳自动化研究所 | Buoyancy adjusting mechanism testing device for simulating underwater pressure environment |
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