CN107503927A - The parallel operation control system and its control method of a kind of gas compressor - Google Patents
The parallel operation control system and its control method of a kind of gas compressor Download PDFInfo
- Publication number
- CN107503927A CN107503927A CN201710726677.7A CN201710726677A CN107503927A CN 107503927 A CN107503927 A CN 107503927A CN 201710726677 A CN201710726677 A CN 201710726677A CN 107503927 A CN107503927 A CN 107503927A
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- Prior art keywords
- gas compressor
- main frame
- pressure
- signal
- module
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Classifications
-
- 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
- F04B49/06—Control using electricity
-
- 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
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
- F04B41/06—Combinations of two or more pumps
-
- 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
- F04B2205/00—Fluid parameters
- F04B2205/05—Pressure after the pump outlet
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Pipeline Systems (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The invention discloses a kind of parallel operation control system of gas compressor and its control method, include the equipment of at least two groups similar and different power, main pipeline for equipment in parallel, and the main frame of control device, wherein equipment is made up of first module and second unit, wherein first module and second unit are respectively equipped with the gas compressor of connection main pipeline, measurement apparatus for detection gas compressor output pressure, for controlling the controller of gas compressor start and stop, air pressure detection valve is fixed with main pipeline, the main frame connects measurement apparatus respectively by wire, controller and air pressure detection valve.The control system is used by gas compressor and machine, and main frame adjusts each gas compressor according to operation pressure, ensures the pressure stability in main pipeline in working pressure range, its is easy to use, more combinations economize on resources, and use is more flexible, and pressure system is more stable.
Description
Technical field
The present invention relates to a kind of parallel operation control system of gas compressor and its control method.
Background technology
During the use of gas compressor, if operation is needed compared with hyperbar when using small-power type gas compressor
Requirement is unable to reach, the situation is typically replaced by buying relatively high power compressor, and baby compressor then leaves unused, resource
Utilization rate is not high, is unfavorable for flexible and efficient operation in production.
The content of the invention
For overcome the deficiencies in the prior art, the present invention provides parallel operation control system and its control of a kind of gas compressor
Method.
The technical solution adopted for the present invention to solve the technical problems is：A kind of parallel operation control system of gas compressor,
The main frame of equipment including at least two groups similar and different power, the main pipeline for equipment in parallel and control device, its
In：The equipment is made up of first module and second unit, and wherein first module and second unit are respectively equipped with connection main pipeline
Gas compressor, the measurement apparatus for detection gas compressor output pressure, the control for controlling gas compressor start and stop
Device processed, air pressure detection valve is fixed with main pipeline, it is gentle that the main frame connects measurement apparatus, controller by wire respectively
Pressure detection valve, wherein gas compressor are provided with controller.
Wherein：The main frame is respectively equipped with the signal input part being connected with equipment, priority emergent stop signal output end, control
Signal output part, wherein signal input part are connected with measurement apparatus signal output part, air pressure detection valve signal output end respectively, excellent
First level emergent stop signal output end, control signal output are connected with controller signals input respectively.
Wherein:It is connected on the main pipeline with air accumulator, the pressure work value scope of wherein main pipeline is 6-6.8kg/
cm2。
Wherein：The main frame controls according to measurement apparatus or the air pressure pressure value that is detected in unit interval of detection valve
Corresponding controller feedback regulation gas compressor.
A kind of control method of gas compressor parallel operation control system, it is characterised in that wherein：1st step first turns on
The gas compressor of Unit one, the gas compressor output pressure value of the detection means measurement of first module, the gas on main pipeline
The pressure value of pressure detection valve detection is transformed into electric signal and is sent to main frame；
The input signal that 2nd step main frame detects valve to the air pressure in the measurement apparatus and main pipeline of first module is carried out
Comparing, start or off signal are sent by control signal output or priority emergent stop signal output end after main frame comparison
To controller；
3rd step controller receives start from main frame or off signal and performs what is be turned on and off to gas compressor
Operation.
Wherein：2nd step, main frame are examined to the air pressure detection valve in the measurement apparatus and main pipeline of first module
The pressure value of survey carries out comparing, if the pressure value that main frame is compared within the unit interval all reaches job requirement pressure model
Enclose, then main frame does not send operation signal.
Wherein：2nd step, main frame detect the pressure of valve to the air pressure on the measurement apparatus from first module or main pipeline
Force data is compared, if the pressure data that main frame is compared is below pressure work value scope, main frame, which is sent, opens gas
For the signal of compressor to second unit, the controller of second unit receives the gas in opening unit after the starting-up signal from main frame
Gas compressor.
Wherein：The first module works with second unit simultaneously when, main frame is to carrying out the detection valve of the air pressure on main conduit
Pressure data be compared, if the pressure data that is compared of main frame exceedes the pressure work value scope of main pipeline, main frame hair
Off signal is sent to receive gas corresponding to closing after the off signal from main frame to first module, the controller of first module
Compressor.
Wherein：When the main frame respectively from the signal of first module and the detection means of second unit to being compared,
If the pressure data of first module and second unit is in the difference for requiring the peak value in unit interval more than 1kg/cm2, then lead
Machine sends off signal to the first list or second unit by the priority emergent stop signal output end that is connected with each controller, and first
The controller of unit and second unit receives gas compressor corresponding to closing after the off signal from main frame.
The beneficial effects of the invention are as follows：The control system is used by gas compressor and machine, and with main frame according to work
Skill pressure is adjusted, and ensures the pressure stability in main pipeline in working pressure range, its is easy to use, solves in production operation
Reply different pressures can only convert another gas compressor the problem of, more combinations economize on resources, and use is more flexible, pressure system
Unite more stable.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the cellular construction schematic flow sheet of the present invention.
Fig. 2 is the Structure and Process schematic diagram of the present invention.
Fig. 3 is another Structure and Process schematic diagram of the present invention.
Fig. 4 is the more Structure and Process schematic diagrams of the present invention.
Fig. 5 is the main machine structure schematic diagram of the present invention.
Embodiment
It is as follows referring to figs. 1 to Fig. 5, the principle of the invention：A kind of parallel operation control system of gas compressor, including at least two groups
Equipment is by first described in the main frame 1 of the equipment of similar and different power, the main pipeline 6 for equipment in parallel and control device
Unit 8 and second unit 9 are formed, and wherein first module 8 and second unit 9 are respectively equipped with the gas compressor of connection main pipeline 6
2nd, the measurement apparatus 4 for the output pressure of detection gas compressor 2, the controller 3 for controlling the start and stop of gas compressor 2, position
In being fixed with air pressure detection valve 7 on main pipeline 6, it is gentle that the main frame 1 connects measurement apparatus 4, controller 3 by wire respectively
Pressure detection valve 7, wherein gas compressor 2 are provided with controller 3.Wherein every connecting pipe of gas compressor 2 and it is connected in parallel
In on main pipeline 6, wherein main pipeline 6 is provided with measurement apparatus 4, and the pressure work value scope of main pipeline 6 is 6-6.8kg/cm2, it is main
The signal that machine 1 is sent according to every device for pressure measurement 4 or air pressure detection valve 7 controls each gas compression of the feedback regulation of controller 3
Machine 2, the measurement apparatus 4 are installed on the appendix that every gas compressor 2 connects, and air pressure detection valve 7 is installed on main pipeline 6
On.Main frame 1 controls control according to each measurement apparatus 4 or the air pressure pressure value that is detected respectively within the unit interval of detection valve 7
Each gas compressor 2 of the feedback regulation of device 3.And main frame 1 is tieed up by closing or opening wherein one or more gas compressor 2
System normal operation is held, main frame 1 is connected to signal input part 11, control signal output 13, the output of priority emergent stop signal respectively
End 14, wherein main frame 1, controller 3, measurement apparatus 4, gas compressor 2 is connected by electric wire, wherein the signal input of main frame 1
End 11 is connected with the signal output part of measurement apparatus 4, the air pressure detection signal output part of valve 7 respectively, priority emergent stop signal output end
12nd, control signal output 13 is connected with the signal input part of controller 3 respectively.The output pressure of gas compressor 2 is filled by measuring
The pressure value for putting 4 obtained pressure values and the air pressure detection detection main pipeline 6 of valve 7 is separately converted to electric signal transmission to main frame 1
On, information processing is carried out, is thus fed back in each controller 3, individually close or open the behaviour of gas compressor 2
Make, thus carry out feedback combined operation as a loop, can timely be adjusted, whole system keeps preferably stable
Property.
Embodiment 1：
1. such as Fig. 2, in the control system, start the gas compressor 2 of first module 8 first, first module 8 in 2min
Measurement apparatus 4 gas pressure in pipeline is detected, such as reach requirement 6.4kg/cm2, then state is remained on.As not
Reach requirement, main frame 1 sends starting-up signal to the controller 3 of second unit 9, the gas compressor of second unit 9 is opened
Dynamic processing, after two-shipper is operated together, main frame 1 is carried out with the signal transmitted by first module 8 and the measurement apparatus of second unit 94
Screening Treatment, and using unit interval receive pressure data peak value as basis for estimation, as the pressure stability of main pipeline 6 in
6.2-6.6kg/cm2In the range of, then keep constant, two-shipper is operated together.
2. if often detecting valve 7 by the air pressure on main pipeline 6 by 30s after above-mentioned duplex running detects that pressure exceedes
6.6kg/cm2, then main frame 1 off signal is sent to the controller 3 of first module 8, the gas compressor 2 of first module 8 is entered
Row closing is handled.After shutoff operation performs, if the pressure energy that measurement apparatus 4 corresponding to the gas compressor 2 of second unit 9 detects
Reach pressure requirements 6.2-6.6kg/cm2, then continuous service.The gas compressor 2 of second unit 9 is pressed after if shutoff operation performs
Power reduction of speed reaches 0.2kg/cm2/ min, then main frame 1 starting-up signal is sent to the controller 3 of first module 8, to first module 8
Gas compressor 2 carries out unlatching processing.
3. when each atmospheric pressure value that measurement apparatus 4 corresponding to the gas compressor 2 of first module 8 and second unit 9 is detected
Peakedness ratio is than difference more than 1kg/cm2When, main frame 1 will make alarm, and perform jerk by main frame 1 and operate, and main frame 1 is divided
Not Fa Song off signal to first module 8 and the controller 3 of second unit 9, the controller 3 of first module 8 and second unit 9
Receive after the off signal from main frame 1 it is each close corresponding to gas compressor 2.
Embodiment 2：
1. such as Fig. 3, in the control system, start the gas compressor 2 of first module 8 first, first module 8 in 2min
Measurement apparatus 4 gas pressure in pipeline is detected, such as reach requirement 6.4kg/cm2, then state is remained on.As not
Reach requirement, main frame 1 sends starting-up signal to the controller 3 of second unit 9, the gas compressor of second unit 9 is opened
Dynamic processing, after two-shipper is operated together, main frame 1 is carried out with the signal transmitted by first module 8 and the measurement apparatus of second unit 94
Screening Treatment, and using unit interval receive pressure data peak value as basis for estimation, as the pressure stability of main pipeline 6 in
6.2-6.6kg/cm2In the range of, then keep constant, two-shipper is operated together.
2. if often detecting valve 7 by the air pressure on main pipeline 6 by 30s after above-mentioned duplex running detects that pressure exceedes
6.6kg/cm2, then main frame 1 off signal is sent to the controller 3 of first module 8, the gas compressor 2 of first module 8 is entered
Row closing is handled.After shutoff operation performs, if the pressure energy that measurement apparatus 4 corresponding to the gas compressor 2 of second unit 9 detects
Reach pressure requirements 6.2-6.6kg/cm2, then continuous service.The gas compressor 2 of second unit 9 is pressed after if shutoff operation performs
Power reduction of speed reaches 0.2kg/cm2/ min, then main frame 1 starting-up signal is sent to the controller 3 of first module 8, to first module 8
Gas compressor 2 carries out unlatching processing.Air accumulator 5 is wherein provided with main pipeline 6, the pipe between air accumulator 5 and main pipeline 6
Control valve is provided with road, when whole system is run, the valve before air accumulator 5 is opened and closes the outlet valve of main pipeline 6
Gas-pressurized is collected, if the pressure of air accumulator 5 reaches required value 6.2-6.6kg/cm2When, closing control valve, and open master
The outlet valve of pipeline 6.
3. when each atmospheric pressure value that measurement apparatus 4 corresponding to the gas compressor 2 of first module 8 and second unit 9 is detected
Peakedness ratio is than difference more than 1kg/cm2When, main frame 1 will make alarm, and main frame 1 sends off signal to first module 8 respectively
And the controller 3 of second unit 9, the controller 3 of first module 8 and second unit 9 receive the shutdown letter from main frame 1
Gas compressor 2 corresponding to each closing after number.
Embodiment 3：
1. such as Fig. 4, in the control system, start the gas compressor 2 of one of unit first, corresponding in 2min
Measurement apparatus 4 detects to the gas pressure in pipeline, such as reaches requirement 6.4kg/cm2, then state is remained on.As do not reached
To requiring, main frame 1 sends starting-up signal to another or multiple units, and the controller 3 of another or multiple units receives
The gas compressor 2 of unlatching pair after to starting-up signal, after multimachine is operated together, main frame 1 is with the correspondence of gas compressor 2 in work
Measurement apparatus 4 transmitted by signal carry out Screening Treatment, and using unit interval receive pressure data peak value as
Basis for estimation, if the pressure stability of main pipeline 6 is in 6.2-6.6kg/cm2In the range of, then keep constant, multimachine is operated together.
2. after above-mentioned multiple-unit gas compressor operation, examined if often detecting valve 7 by the air pressure on main pipeline 6 by 30s
Pressure is measured more than 6.6kg/cm2, then main frame 1 off signal is sent to one or more units, in one or more units
Controller receives gas compressor 2 corresponding to closing after signal, if being measured corresponding to the unit in being worked after shutoff operation execution
The pressure energy that device 4 detects reaches pressure requirements 6.2-6.6kg/cm2, then continuous service.If the gas compressor 2 in work
The reduction of speed for the pressure that corresponding device for pressure measurement 4 detects reaches 0.2 kg/cm2/ min, then main frame 1 to another or it is multiple
Unit sends starting-up signal, the controller 3 in one or more units receive open after signal corresponding to gas compressor 2.
3. when Unit at least two are run simultaneously, each atmospheric pressure value that the measurement apparatus 4 in two of which unit is detected
Peakedness ratio is than difference more than 1kg/cm2When, main frame 1 will make alarm, and send off signal respectively to main frame 1 to existing operation
In the unit of gas compressor 2, the controller 3 in unit receives gas pressure corresponding to closing after the off signal from main frame 1
Contracting machine 2.
By above-mentioned embodiment, the control system is controlled by main frame using stabilization, is solved production operation
It is middle reply different pressures can only convert another gas compressor the problem of, more combinations economize on resources, and make in process of production
It is more stable by main frame feedback regulation, pressure system with more flexible.
Claims (9)
1. a kind of parallel operation control system of gas compressor, including the equipment of at least two groups similar and different power, for parallel connection
The main pipeline (6) of equipment and the main frame (1) of control device, it is characterised in that：The equipment is by first module (8) and second
Unit (9) form, wherein first module (8) and second unit (9) be respectively equipped with connect main pipeline (6) gas compressor (2),
Measurement apparatus (4) for detection gas compressor (2) output pressure, the controller for controlling gas compressor (2) start and stop
(3) air pressure detection valve (7), is fixed with main pipeline (6), the main frame (1) connects measurement apparatus respectively by wire
(4), controller (3) and air pressure detection valve (7), wherein gas compressor (2) are provided with controller (3).
A kind of 2. parallel operation control system of gas compressor according to claim 1, it is characterised in that：The main frame (1) point
The signal input part (11) that She You be connected with equipment, priority emergent stop signal output end (12), control signal output (13),
Wherein signal input part (11) is connected with measurement apparatus (4) signal output part, air pressure detection valve (7) signal output part respectively, excellent
First level emergent stop signal output end (12), control signal output (13) are connected with controller (3) signal input part respectively.
A kind of 3. parallel operation control system of gas compressor according to claim 1, it is characterised in that:The main pipeline (6)
Upper to be connected with air accumulator (5), the pressure work value scope of wherein main pipeline (6) is 6-6.8kg/cm2。
A kind of 4. parallel operation control system of gas compressor according to claim 1 or claim 2, it is characterised in that：The main frame (1)
Corresponding controller (3) is controlled according to measurement apparatus (4) or air pressure detection valve (7) pressure value that is detected in unit interval
Feedback regulation gas compressor (2).
A kind of 5. control method of gas compressor parallel operation control system, it is characterised in that including：
1st step first turns on the gas compressor (2) of first module (8), the gas of detection means (4) measurement of first module (8)
The pressure value of air pressure detection valve (7) detection in gas compressor (2) output pressure value, main pipeline (6) is transformed into electric signal simultaneously
It is sent to main frame (1)；
2nd step main frame (1) detects valve (7) to the air pressure in measurement apparatus (4) and main pipeline (6) from first module (8)
Input signal carries out comparing, and main frame (1) is exported after comparing by control signal output (13) or priority emergent stop signal
(12) are held to send start or off signal to controller (3)；
3rd step controller (3) receive start from main frame (1) or off signal and gas compressor (2) is performed open or
The operation of closing.
A kind of 6. control method of gas compressor parallel operation control system according to claim 5, it is characterised in that：It is described
2nd step, main frame (1) detect valve (7) to the air pressure in measurement apparatus (4) and main pipeline (6) from first module (8) and detected
Pressure value carry out comparing, if the pressure value that main frame (1) is compared within the unit interval all reaches job requirement pressure
Scope, then main frame (1) do not send operation signal.
A kind of 7. control method of gas compressor parallel operation control system according to claim 5, it is characterised in that：It is described
2nd step, main frame (1) detect the pressure of valve (7) to the air pressure on the measurement apparatus (4) from first module (8) or main pipeline (6)
Data are compared, if the pressure data that main frame (1) is compared is below pressure work value scope, main frame (1), which is sent, to be opened
The signal of gas compressor (2) receives the start from main frame (1) to second unit (9), the controller (3) of second unit (9)
Gas compressor (2) after signal in opening unit.
A kind of 8. control method of gas compressor parallel operation control system according to claim 7, it is characterised in that：It is described
First module (8) and second unit (9) while when working, main frame (1) is to carrying out the detection valve of the air pressure on main conduit (6) (7)
Pressure data is compared, main if the pressure data that main frame (1) is compared exceedes the pressure work value scope of main pipeline (6)
Machine (1) sends off signal and receives the shutdown from main frame (1) to first module (8), the controller (3) of first module (8)
Gas compressor (2) corresponding to being closed after signal.
A kind of 9. control method of gas compressor parallel operation control system according to claim 7, it is characterised in that：It is described
When main frame (1) respectively from the signal of first module (8) and the detection means (4) of second unit (9) to being compared, if first
The pressure data of unit (8) and second unit (9) is in the difference for requiring the peak value in unit interval more than 1kg/cm2, then lead
Machine (1) sends off signal to first module (8) by the priority emergent stop signal output end (12) being connected with each controller (3)
Or second unit (9), the controller (3) of first module (8) and second unit (9) receive the off signal from main frame (1)
Gas compressor (2) corresponding to closing afterwards.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710726677.7A CN107503927A (en) | 2017-08-22 | 2017-08-22 | The parallel operation control system and its control method of a kind of gas compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710726677.7A CN107503927A (en) | 2017-08-22 | 2017-08-22 | The parallel operation control system and its control method of a kind of gas compressor |
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| CN107503927A true CN107503927A (en) | 2017-12-22 |
Family
ID=60692340
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| CN201710726677.7A Pending CN107503927A (en) | 2017-08-22 | 2017-08-22 | The parallel operation control system and its control method of a kind of gas compressor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533477A (en) * | 2018-02-02 | 2018-09-14 | 青岛海湾精细化工有限公司 | A kind of air compression station air supply system and method |
| CN109630415A (en) * | 2018-12-11 | 2019-04-16 | 武汉理工大学 | A kind of quick ballasting system and its air-compressor set energy-saving control method |
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| CN109630415A (en) * | 2018-12-11 | 2019-04-16 | 武汉理工大学 | A kind of quick ballasting system and its air-compressor set energy-saving control method |
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Application publication date: 20171222 |
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