CN106968994A - A kind of oil explosion-proof intelligent control system - Google Patents
A kind of oil explosion-proof intelligent control system Download PDFInfo
- Publication number
- CN106968994A CN106968994A CN201710248724.1A CN201710248724A CN106968994A CN 106968994 A CN106968994 A CN 106968994A CN 201710248724 A CN201710248724 A CN 201710248724A CN 106968994 A CN106968994 A CN 106968994A
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- China
- Prior art keywords
- cylinder
- hydraulic
- explosion
- oil
- control
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/16—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by adjusting the capacity of dead spaces of working chambers
-
- 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
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
- F15B20/002—Electrical failure
-
- 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
- F15B21/08—Servomotor systems incorporating electrically operated control means
Abstract
The invention discloses a kind of oil explosion-proof intelligent control system, including compresser cylinder, hydraulic actuating mechanism, hydraulic oil unit and control system, hydraulic actuating mechanism includes clearance volume cylinder, clearance volume cylinder piston, clearance volume cylinder inbuilt displacement sensor, hydraulic servo oil cylinder, hydraulic servo oil cylinder piston, hydraulic servo oil cylinder piston drive module, clearance volume cylinder two ends connect cylinder and hydraulic servo oil cylinder on the outside of compresser cylinder respectively, and hydraulic servo oil cylinder piston is connected with clearance volume cylinder piston；Control system includes site measuring and control explosion-proof tank, remote control table, and site measuring and control explosion-proof tank is connected with hydraulic actuating mechanism, hydraulic oil unit, displacement transducer, remote control table respectively.The oil explosion-proof intelligent control system of the present invention is by intelligentized governor motion, and fast, accurately control pressure and flow, realize the continuous stepless regulation of compressor tolerance, the energy is saved to greatest extent, safe.
Description
Technical field
The present invention relates to a kind of regulation of compressor tolerance intelligent stepless, high accuracy, the energy-efficient oil being integrated are explosion-proof
Intelligence control system.
Background technology
Various compressors, wherein reciprocating compressor are applied in the industrial circles such as petroleum chemical industry, natural gas transportation
The extensive use in every profession and trade.Often two to open one for one or one standby when being equipped with compressor in many devices.However, the reality of compressor
Border operating mode be with technological process or gas consumption equipment the need for and change, even in full production state, still have equivalent to
One compressor design discharge capacity 40%-60% or so compressed gas needs to return.Some compressor sets are using " three return one " time
Flow control mode, the compressed gas that will be had more than needed returns to suction port of compressor by bypass conduit, and this undoubtedly causes the energy
Waste.In addition, compressor set is without return control step by step, it is impossible to realize and progressively slowly increase load, it is impossible to be quick when avoiding starting shooting
The impact to unit and system that boosting is caused, influences the stability of system.
To overcome drawbacks described above, CN101029636A discloses a kind of " method for adjusting reciprocating compressor redundant gap ", the party
Method drives air valve Principles of Regulation into using partial journey top and designs a kind of governor motion, and this regulative mode good energy-conserving effect can be real
Existing step-less adjustment, but high is required to controller and electricity roller valve, poor controllability.CN2012252664Y discloses a kind of piston reciprocating
Formula compressor redundant gap stepless regulator, the apparatus structure is simple, step-less adjustment can be achieved, but can not realize intelligent control.
The content of the invention
The present invention proposes a kind of oil explosion-proof intelligent control system, by intelligentized governor motion, fast, accurately
Control pressure and flow, realize the continuous stepless regulation of compressor tolerance, and the energy is saved to greatest extent, and output tolerance is stable
Property it is high.
The technical proposal of the invention is realized in this way：
A kind of oil explosion-proof intelligent control system, including compresser cylinder, hydraulic actuating mechanism, hydraulic oil unit and control system
System, wherein compresser cylinder unload cylinder head, and hydraulic actuating mechanism includes clearance volume cylinder, is arranged in clearance volume cylinder
Clearance volume piston and inbuilt displacement sensor, hydraulic servo oil cylinder, the hydraulic servo oil cylinder being arranged in hydraulic servo oil cylinder
Piston, connecting rod, drive hydraulic servo oil cylinder piston movement drive module and connect this drive module and hydraulic servo oil cylinder
The first fluid pressure line and the second fluid pressure line, one end of the clearance volume cylinder connects with cylinder on the outside of compresser cylinder, separately
One end is connected with hydraulic servo oil cylinder, and hydraulic servo oil cylinder piston is connected by connecting rod with clearance volume cylinder piston, two liquid
The hydraulic servo oil cylinder UNICOM of pressure pipe road respectively with hydraulic servo oil cylinder piston both sides；The drive module includes two liquid of control
The magnetic valve and hand-operated valve on pressure pipe road；Temperature-liquid level sensor and petrol station pressure sensor, liquid are provided with the hydraulic oil unit
Oil pipe is also associated with force feed station, oil pipe drives the drive module of hydraulic servo oil cylinder piston with being used in hydraulic actuating mechanism
It is connected；The control system includes site measuring and control explosion-proof tank, remote control table, and site measuring and control explosion-proof tank passes through the first power line
Be connected with hydraulic actuating mechanism, site measuring and control explosion-proof tank by the temperature-liquid level sensor on second source line and hydraulic oil unit and
Petrol station pressure sensor is connected, and site measuring and control explosion-proof tank is connected by the 3rd power line with built-in displacement sensor, and scene is surveyed
Control explosion-proof tank is connected by the 4th power line with remote control table.
As a kind of preferred technical scheme of the present invention, the gas side and system hydraulic pressure of described compresser cylinder perform machine
Structure hydraulic oil side is each provided with emptying pipeline, and pressure sensor, the pressure sensor and scene are provided with emptying pipeline
Observing and controlling explosion-proof tank is connected.
As a kind of preferred technical scheme of the present invention, the remote control table of described control system includes communication module
And input-output equipment, communication module and input-output equipment are connected with site measuring and control explosion-proof tank.
As a kind of preferred technical scheme of the present invention, described communication module and input-output equipment use PLC instrument
Table controller coordinates corresponding AD and D/A module, and the explosion-proof intelligence of tolerance step-less adjustment is realized using man-machine interface as operating platform
Can control.
Beneficial effects of the present invention：Compared with prior art, the present invention uses intelligentized governor motion, quick, accurate
Control pressure and flow, realize compressor tolerance continuous stepless regulation, the energy is saved to greatest extent；Monitor in real time explosion-proof
The running situation of each operational module in system, is provided simultaneously with emptying, self-locking, warning function, and security is higher.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is principle schematic diagram of the present invention；
Fig. 2 is hydraulic actuating mechanism of the present invention, hydraulic oil unit partial structural diagram.
In figure：1st, hydraulic oil unit, 2, temperature-liquid level sensor, 3, petrol station pressure sensor, 4 pressure transmitters, 5, overflow
Valve, 6, hydraulic oil pipe, 7, magnetic valve, 8, hand-operated direction valve, 9, the hydraulic control one-way valve of solenoid valve control, 10, hand-operated valve control
Hydraulic control one-way valve, 11, hydraulic servo oil cylinder, 12, clearance volume cylinder, 13, displacement transducer, 14, pressure gauge, 15, pressure gauge,
16th, clearance volume cylinder piston, 17, hydraulic servo cylinder piston, the 18, first fluid pressure line, the 19, second fluid pressure line, 20, compression
Machine cylinder, 21, observing and controlling explosion-proof tank, 22, remote control table, the 23, first power line, 24, second source line, the 25, the 3rd power supply
Line, the 26, the 4th power line, 27, drive servo cylinder piston movement drive module
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Simultaneously refering to Fig. 1 and Fig. 2, a kind of oil explosion-proof intelligent control system that this hair is provided, by compresser cylinder 20, bag
The cylinder of clearance volume containing step-less adjustment 12, the hydraulic actuating mechanism of hydraulic servo oil cylinder 11 and hydraulic servo oil cylinder drive module 27,
Hydraulic oil unit 1, the control system composition comprising site measuring and control explosion-proof tank 21 and remote control table 22, are built in clearance volume cylinder
Displacement transducer 13, the temperature liquid level sensing 2 and petrol station pressure that sets of the pressure gauge 14 on executing agency's oil circuit, hydraulic oil unit
Sensor 3 is as feedback element, by the observing and controlling explosion-proof tank 21 of feedback of the information to control system, and observing and controlling explosion-proof tank 21 is adopted all again
The data feedback of collection to remote control table 22, remote control table implements the manipulation and monitoring to system by data analysis.
Compresser cylinder 20 unloads cylinder head, hydraulic actuating mechanism include clearance volume cylinder 12, hydraulic servo oil cylinder 11,
The clearance volume piston 16 and inbuilt displacement sensor 13 that are arranged in clearance volume cylinder, the liquid being arranged in hydraulic servo cylinder
Press servo cylinder piston 17, the drive module 27 of hydraulic servo cylinder piston and connect this drive module and hydraulic servo cylinder
The first fluid pressure line 18 and the second fluid pressure line 19, one end of clearance volume cylinder 12 connects with cylinder on the outside of compresser cylinder,
The other end is connected with hydraulic servo oil cylinder 11, and hydraulic servo oil cylinder piston 17 is connected by connecting rod with clearance volume cylinder piston 16
Connect, the hydraulic servo cylinder UNICOM of the first fluid pressure line 18 and the second fluid pressure line 19 respectively with hydraulic servo oil cylinder piston both sides；
Drive module includes magnetic valve 7 and hand-operated direction valve 8, and magnetic valve 7 and hand-operated valve 8 control the first fluid pressure line 18 and the second liquid
Pressure pipe road 19；Temperature-liquid level sensor 2 and petrol station pressure sensor 3 are provided with hydraulic oil unit, for feedback hydraulic petrol station
Temperature, liquid level and pressure condition；Oil pipe 6 is also associated with hydraulic oil unit, oil pipe 6 is lived with the clearance volume in hydraulic actuating mechanism
The drive module of plug is connected；Control system includes site measuring and control explosion-proof tank 21, remote control table 22, and site measuring and control explosion-proof tank leads to
Cross the first power line 23 with hydraulic actuating mechanism to be connected, site measuring and control explosion-proof tank passes through on second source line 24 and hydraulic oil unit
Temperature-liquid level sensor 2 is connected with petrol station pressure sensor 3, and site measuring and control explosion-proof tank passes through the 3rd power line 25 and built-in position
Displacement sensor 13 is connected, and site measuring and control explosion-proof tank is connected by the 4th power line 26 with remote control table.
The present invention operation principle be：When the system is operating, according to the instruction of tele-control system, motor driving oil pump,
Hydraulic oil is all the way by oil pipe, and pressure transmitter 4 shows fuel pump outlet pressure and setting alarming value, suspension control signal magnetic valve 7
Regulation, makes hydraulic control one-way valve in the conduction state, and hydraulic oil enters in the right side oil pocket of hydraulic servo oil cylinder 11, makes hydraulic servo
Piston 17 is moved to the left accordingly, so as to drive clearance volume cylinder piston 16 to be moved to the left, reduces clearance volume so that compressor
Output quantity increase.When remote control table straighforward operation, the electromagnet suspension control signal change at magnetic valve two ends, so as to change
Become the flow direction and flow of fluid, reach that control clearance cylinder carries out step-less adjustment effect.Cause defeated when there is circuit system failure
Enter blackout, feedback signal disappear, tracking imbalance, magnetic valve dead electricity, when hydraulic control one-way valve is ended oil circuit, need to be adjusted
Examination and breakdown maintenance, can be operated with hand-operated direction valve, can also reach the effect of control clearance volume cylinder regulation.
The remote control table 22 of the present invention includes communication module and input-output equipment, communication module and input and output
Equipment coordinates corresponding AD and D/A module using PLC instrument controllers, and tolerance is realized using man-machine interface as operating platform
The explosion-proof intelligent control of step-less adjustment；Communication module is connected with input-output equipment in site measuring and control explosion-proof tank, site measuring and control
The whole explosion protection system service data collected is included pressure gauge data, each sensing data, alarm signal etc. and passed by explosion-proof tank
Transport to remote control table 22 handled, computing, will be controlled by communication module and input-output equipment according to the result of operation
Instruction processed is transmitted to site measuring and control explosion-proof tank 21, and site measuring and control explosion-proof tank 21 is again to the hydraulic actuating mechanism in system, hydraulic oil
Station is controlled operation.
The gas side of compresser cylinder and Hydraulic Pressure Machinery in Auto hydraulic oil side are each provided with emptying pipeline, it is ensured that gas leakage
Hydraulic oil system will not be entered, oil leak will not enter compresser cylinder, and the gas or hydraulic oil of leakage will be arranged by exhausting pipeline
Sky, is provided with pressure sensor, pressure sensor is connected with site measuring and control explosion-proof tank, when leakage pressure exceedes on emptying pipeline
High alarm is pointed out during 0.06MPa, superelevation alarm is pointed out during more than 0.1MPa, while tele-control system control oil pump is shut down and complete
Open clearance volume oil cylinder, it is ensured that compressor does not shut down operation.Meanwhile, when the numerical value of the pressure of each pipeline in system, sensor surpasses
When going out setting value, system performs auto-lock function on the spot, keeps valve invariant position, keeps the scene intact, while leading to site measuring and control explosion-proof tank
A pair of not charged normally opened contacts closures, field panel prompting alarm.
Claims (4)
1. a kind of oil explosion-proof intelligent control system, it is characterised in that including compresser cylinder, hydraulic actuating mechanism, hydraulic oil
Stand and control system, wherein compresser cylinder unloads cylinder head, hydraulic actuating mechanism includes clearance volume cylinder, is arranged on clearance
Clearance volume piston and inbuilt displacement sensor, hydraulic servo oil cylinder in volume cylinder, the liquid being arranged in hydraulic servo oil cylinder
Press servo-cylinder piston, connecting rod, the drive module for driving hydraulic servo oil cylinder piston movement and connect this drive module and liquid
Press gas on the outside of the first fluid pressure line and the second fluid pressure line of servo-cylinder, one end of the clearance volume cylinder and compresser cylinder
Cylinder is connected, and the other end is connected with hydraulic servo oil cylinder, and hydraulic servo oil cylinder piston is connected by connecting rod and clearance volume cylinder piston
Connect, the hydraulic servo oil cylinder UNICOM of two fluid pressure lines respectively with hydraulic servo oil cylinder piston both sides；The drive module includes
Control the magnetic valve and hand-operated valve of two fluid pressure lines；Temperature-liquid level sensor and petrol station pressure are provided with the hydraulic oil unit
Oil pipe, the drive module of oil pipe and hydraulic servo oil cylinder piston in hydraulic actuating mechanism are also associated with sensor, hydraulic oil unit
It is connected；The control system includes site measuring and control explosion-proof tank, remote control table, and site measuring and control explosion-proof tank passes through the first power line
Be connected with hydraulic actuating mechanism, site measuring and control explosion-proof tank by the temperature-liquid level sensor on second source line and hydraulic oil unit and
Petrol station pressure sensor is connected, and site measuring and control explosion-proof tank is connected by the 3rd power line with built-in displacement sensor, and scene is surveyed
Control explosion-proof tank is connected by the 4th power line with remote control table.
2. oil explosion-proof intelligent control system according to claim 1, it is characterised in that the gas of described compresser cylinder
Side and Hydraulic Pressure Machinery in Auto hydraulic oil side are each provided with emptying pipeline, and pressure sensor is provided with emptying pipeline,
The pressure sensor is connected with site measuring and control explosion-proof tank.
3. oil explosion-proof intelligent control system according to claim 1, it is characterised in that described control system it is long-range
Control platform includes communication module and input-output equipment, communication module and input-output equipment with site measuring and control explosion-proof tank phase
Even.
4. oil explosion-proof intelligent control system according to claim 1, it is characterised in that described control system it is long-range
Control platform coordinates corresponding AD and D/A module using PLC instrument controllers, and gas is realized using man-machine interface as operating platform
Measure the explosion-proof intelligent control of step-less adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710248724.1A CN106968994A (en) | 2017-04-17 | 2017-04-17 | A kind of oil explosion-proof intelligent control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710248724.1A CN106968994A (en) | 2017-04-17 | 2017-04-17 | A kind of oil explosion-proof intelligent control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106968994A true CN106968994A (en) | 2017-07-21 |
Family
ID=59332857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710248724.1A Pending CN106968994A (en) | 2017-04-17 | 2017-04-17 | A kind of oil explosion-proof intelligent control system |
Country Status (1)
| Country | Link |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5481875A (en) * | 1991-09-27 | 1996-01-09 | Kabushiki Kaisha Komatsu Seisakusho | Apparatus for changing and controlling volume of hydraulic oil in hydraulic excavator |
| DE19927117A1 (en) * | 1999-06-15 | 2000-12-21 | Sitec Industrietechn Gmbh | Measuring device for detecting leakage from hydraulic components has pressure senor for measuring pressure in piston and displacement sensor for piston rod path |
| CN201225264Y (en) * | 2008-05-06 | 2009-04-22 | 武汉理工大学 | Clearance stepless adjusting device of piston reciprocating compressor |
| CN201865889U (en) * | 2010-11-30 | 2011-06-15 | 赖梦超 | Clearance stepless adjustment actuator of reciprocating compressor |
| CN202628454U (en) * | 2012-06-15 | 2012-12-26 | 九江大安自控工程有限公司 | Air amount regulation system of reciprocating compressor |
| CN103291596A (en) * | 2013-06-18 | 2013-09-11 | 合肥通用机械研究院 | Compressor flow control system based on clearance is adjusted |
| CN103982407A (en) * | 2013-02-09 | 2014-08-13 | 陈镇汉 | Stepless regulation system for gas flow of reciprocating compressor |
-
2017
- 2017-04-17 CN CN201710248724.1A patent/CN106968994A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5481875A (en) * | 1991-09-27 | 1996-01-09 | Kabushiki Kaisha Komatsu Seisakusho | Apparatus for changing and controlling volume of hydraulic oil in hydraulic excavator |
| DE19927117A1 (en) * | 1999-06-15 | 2000-12-21 | Sitec Industrietechn Gmbh | Measuring device for detecting leakage from hydraulic components has pressure senor for measuring pressure in piston and displacement sensor for piston rod path |
| CN201225264Y (en) * | 2008-05-06 | 2009-04-22 | 武汉理工大学 | Clearance stepless adjusting device of piston reciprocating compressor |
| CN201865889U (en) * | 2010-11-30 | 2011-06-15 | 赖梦超 | Clearance stepless adjustment actuator of reciprocating compressor |
| CN202628454U (en) * | 2012-06-15 | 2012-12-26 | 九江大安自控工程有限公司 | Air amount regulation system of reciprocating compressor |
| CN103982407A (en) * | 2013-02-09 | 2014-08-13 | 陈镇汉 | Stepless regulation system for gas flow of reciprocating compressor |
| CN103291596A (en) * | 2013-06-18 | 2013-09-11 | 合肥通用机械研究院 | Compressor flow control system based on clearance is adjusted |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170721 |
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| RJ01 | Rejection of invention patent application after publication |