CN106050607A - Energy-saving air compressor - Google Patents
Energy-saving air compressor Download PDFInfo
- Publication number
- CN106050607A CN106050607A CN201610571858.2A CN201610571858A CN106050607A CN 106050607 A CN106050607 A CN 106050607A CN 201610571858 A CN201610571858 A CN 201610571858A CN 106050607 A CN106050607 A CN 106050607A
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- CN
- China
- Prior art keywords
- converter
- pressure
- air compressor
- air
- motor
- Prior art date
- 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
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
-
- 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
- F04B41/02—Pumping installations or systems specially adapted for elastic fluids having reservoirs
-
- 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
- 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
- F04B49/20—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 changing the driving speed
Abstract
An energy-saving air compressor is composed of a frequency converter, a motor, an air compressor, an air collector, a customer side, a pressure transmitter and a contactor. The motor is provided with the frequency converter, the contactor and the air compressor. The frequency converter and the contractor are connected with a power source, respectively. The frequency converter is provided with a control panel. The air compressor is connected to the air collector by means of a network pipe. The air collector is connected to the customer side. The pressure transmitter is located between the air collector and the frequency converter. The energy-saving air compressor is high in applicability, quite simple to use, strict in control solution, harmonious, good in effect, ingenious in design, and easy to implement, and also greatly meets the requirements of customers while saving energy.
Description
[technical field]
The present invention relates to a kind of air compressor machine, especially relate to a kind of energy-saving air compressor.
[background technology]
Known, compressed air is the essential power source of processing industry, but the structure of existing air compressor is screw
, air is exported outlet side along screw axis by suction side, carries out air-breathing, compression and aerofluxus under the rotation of screw rod, empty
The control system of air compressor is: the air compressor mair motor method of operation is total head operation after star delta reduced-voltage starting, supply
System is connected actuating coil by control system and opens oil cut-off valve, and air compressor starts under unloading mode, at this moment air inlet
Valve is closed, and the pressure that discharges in gs-oil separator opened by vent valve, and after waiting blood pressure lowering, air compressor starts to add
Carrying row, system pressure begins to ramp up, if system pressure rises to pressure switch higher limit, i.e. release pressure, controller will
Making intake valve close, gs-oil separator is exitted, air compressor no-load running, until system pressure drops to pressure switch lower limit
After, i.e. under rebound pressure, controller makes INO, and gs-oil separator vent valve cuts out, air compressor full-load run, because of
For air compressor can not long-time full-load run, so manufacturer can only solve capacity motor, power frequency by maximum requirement
During startup, impulsive force is big, and motor bearings abrasion is big, and plant maintenance amount is big, it is often more important that user's tolerance is few or pressure reaches the upper limit
Motor still no-load running during value, wastes the electric energy of preciousness.
[summary of the invention]
In order to overcome the deficiency in background technology, the invention discloses a kind of energy-saving air compressor, the present invention is by storage
Air compressor machine, motor and converter are set on gas tank, and PID control system is set on converter, reach air accumulator with this
Interior constant air pressure and the purpose meeting client demand.
In order to realize described goal of the invention, the present invention adopts the following technical scheme that
A kind of energy-saving air compressor, including converter, motor, air compressor machine, air accumulator, client, pressure transmitter and
Catalyst, is provided with converter, catalyst and air compressor machine on motor, and converter is connected with power supply respectively with catalyst, becomes
Frequently device is provided with control panel, and air compressor machine is connected by webmaster with air accumulator, and air accumulator is connected with client, at air accumulator
And between converter, it is provided with pressure transmitter.
Being provided with PID control system in described converter, motor is controlled by converter by PID control system.
Described air accumulator is provided with closed-loop control system, and closed-loop control system is passed by converter, pressure transmitter and pressure
Sensor is constituted, and pressure transmitter is connected with the PID in converter, and pressure transducer is arranged between air compressor machine and air accumulator
On webmaster, the rotating speed of inverter control motor, the unit air output controlling air compressor machine of motor.
Described PID control system by pressure transducer record between air compressor machine and air accumulator ductwork pressure value and with control
Setup pressure value on panel compares, and obtains pressure differential and calculates converter through PID control system and act on the frequency of motor
Rate value, feedback pressure passes through PID control system comparison operation with setting pressure, by converter output corresponding frequencies and the friendship of amplitude
Stream electricity, makes motor obtain corresponding rotating speed, controls the output of converter in real time, and air compressor machine exports corresponding compressed air to gas storage
Tank, equal with setting pressure value to arrive ductwork pressure, make air accumulator inner air pressure be stabilized to set pressure, air accumulator passes through
Signal is passed in the PID control system in converter by pressure transmitter.
Described catalyst and converter are connected in parallel between power supply and motor, when the PID in converter quits work, and contact
Device turns on the power and makes motor work on.
Owing to have employed technique scheme, there is advantages that
A kind of energy-saving air compressor of the present invention, including converter, motor, air compressor machine, air accumulator, client,
Pressure transmitter and catalyst, by arranging air compressor machine, motor and converter on air accumulator, and arranged on converter
PID control system, reaches constant air pressure in air accumulator with this and meets the purpose of client demand；The present invention is practical,
Use fairly simple, control program is tight, coordinate, effective, design ingenious, it is easy to implement, also pole while energy-conservation
The big demand facilitating client.
[accompanying drawing explanation]
Fig. 1 is the structural principle block diagram of the present invention；
Fig. 2 is the air accumulator constant voltage electrical control schematic of the present invention；
Fig. 3 is graph of relation between the reservoir pressure of the present invention, frequency, PID setting pressure；
Fig. 4 is the main circuit of frequency converter circuit diagram of the present invention；
Fig. 5 is the PID control system schematic diagram of the present invention；
In figure: 1, power supply；2, converter；3, motor；4, air compressor machine；5, air accumulator；6, client；7, control panel；8, pressure
Power transmitter；9, catalyst；10, rate signal；11, ready signal.
[detailed description of the invention]
The explanation present invention that can be detailed by the following examples, in the open purpose of the present invention is intended to protect the scope of the invention
All technological improvements.
In conjunction with a kind of energy-saving air compressor described in accompanying drawing 1 ~ 5, including converter 2, motor 3, air compressor machine 4, storage
Gas tank 5, client 6, pressure transmitter 8 and catalyst 9, be provided with converter 2, catalyst 9 and air compressor machine 4 on motor 3, becomes
Frequently device 2 is connected with power supply 1 respectively with catalyst 9, and converter 2 is provided with control panel 7, and air compressor machine 4 and air accumulator 5 pass through net
Pipe is connected, and air accumulator 5 is connected with client 6, is provided with pressure transmitter 8 between air accumulator 5 and converter 2；Described change
Frequently being provided with PID control system in device 2, motor 3 is controlled by converter 2 by PID control system；On described air accumulator 5
Being provided with closed-loop control system, closed-loop control system is made up of converter 2, pressure transmitter 8 and pressure transducer, pressure transmitter
8 are connected with the PID in converter 2, and pressure transducer is arranged on the webmaster between air compressor machine 4 and air accumulator 5, converter 2
Control the rotating speed of motor 3, the unit air output controlling air compressor machine 4 of motor 3；Described PID control system is passed by pressure
Sensor records between air compressor machine 4 with air accumulator 5 ductwork pressure value and compared with the setup pressure value on control panel 7, obtains
Pressure differential calculates converter 2 through PID control system and acts on the frequency values of motor 3, and feedback pressure passes through with setting pressure
PID control system comparison operation, is exported the alternating current of corresponding frequencies and amplitude by converter 2, makes motor 4 be turned accordingly
Speed, controls in real time the output of converter 2, and air compressor machine 4 exports corresponding compressed air to air accumulator 5, with arrive ductwork pressure with to
Level pressure force value is equal, makes air accumulator 5 inner air pressure be stabilized to set pressure, and signal is passed by air accumulator 5 by pressure transmitter 8
Pass in the PID control system in converter 2；Described catalyst 9 and converter 2 are connected in parallel between power supply 1 and motor 3, become
Frequently, when the PID in device 2 quits work, catalyst 9 turns on the power 1 makes motor 3 work on.
Implementing a kind of energy-saving air compressor of the present invention, air compressor machine 4 operational mode uses variable-frequency control technique
With power frequency operation pattern, i.e. can be switched in time on power-frequency voltage when converter 2 breaks down run, use frequency control skill
Art can save a large amount of electric energy energy, prolonged mechanical life-span, reduce noise etc., and it is by changing motor 3 rotating speed control air compressor machine 4
The air output of unit interval, thus reach to control the pressure of webmaster, the optimal operating mode of air compressor machine 4 is that operating pressure is stable, adopts
By converter 2, pressure transmitter 8 and pressure transducer electrical equipment decomposition pressure closed-loop control system, make air in air accumulator 5
Pressure stability, in set point, carries out Isobarically Control, as shown in Fig. 1,3,5, records ductwork pressure value by pressure transducer
Compared with control panel setup pressure value, obtain pressure differential and calculate converter 2 through PID control system and act on motor 3
Frequency values, feedback pressure with set pressure carry out comparing computing by PID control system, converter 2 export accordingly
Frequency and the alternating current of amplitude, make motor 3 obtain corresponding rotating speed, controls the output of converter 2 in real time, and air compressor machine 4 exports phase
Compressed air is answered to arrive air accumulator 5, equal with setting pressure value to arrive ductwork pressure, make air accumulator 5 inner air pressure be stabilized to
Setting pressure, during use, pressure is the most stable, when pid value e (t)=r (t)-c (t)=0, i.e. and setting value and value of feedback size
Equally, converter will stop output frequency and voltage, and motor also can slowly stop, and whole process is as follows: with gas demand ↑ → pipe
Road air pressure ↓ → pressure set points and the difference ↑ → PID output ↑ → converter output frequency ↑ → air compressor motor rotating speed of value of feedback
↑ → gas supply flow ↑ → pipeline air pressure tends towards stability, and air compressor machine 4 works under power save mode under normal circumstances, if converter 2 one
Denier breaks down, and production technology does not allow air compressor machine 4 to shut down, and therefore system is provided with economize on electricity and power frequency city electric energy automatic switchover merit
Can, shown in accompanying drawing 2 and 4, during air compressor machine 4 to be used, set required for PID control system by control panel 7
Pressure, is screwed into auto state by permutator SQ, catalyst KM2 coil obtain electric will adhesive, KM2 auxiliary normally-closed contact disconnect
Realizing automatically running and civil power operation interlocking, KM2 main contacts has connected converter three-phase output end and connecting terminal of motor, but
Converter 2 does not has output voltage and frequency, and motor will not operate, and catalyst KM2 auxiliary contact close, when converter 2 is normal,
Public L line is connected with converter 2 internal relay terminal TB, and at this moment pressing SB2 is start button, and auxiliary reclay K1 coil obtains
Electricity, normally-closed contact disconnects, and normally opened contact closes, and K1 normally opened contact Guan Bi forms self-locking, and K1 normally opened contact closes, YV air inlet
Valve obtains electric INO, and K1 normally opened contact closes, and operation ready signal received by converter, also receives PID control system simultaneously
When the rate signal 10 of output and ready signal 11, rate signal 10 and ready signal 11 all meet, converter 2 begins to output
Voltage and frequency, motor 3 will Accelerating running, after a period of time, pressure transducer record pressure switching current signal feedback
To PID control system, PID control system will take value of feedback and setting value to compare computing, it may be assumed that e (t)=r (t)-c (t),
If e (t) is more than 0, PID control system will export electric current, and converter 2 works on, if less than or equal to 0 being, PID controls
System would not export electric current, and Real-time Feedback controls in real time, and whole air supply system would be at pressure constant state, if converter 2
Breaking down, internal relay will export, TC Yu TA connects, and K2 obtains electric, and K2 normally-closed contact disconnects KM2 dead electricity, KM2 master
Contact disconnects converter 2 output point, and normally closed reset of KM2 auxiliary is connected, and K2 normally opened contact Guan Bi KM1 coil obtains electric, main contacts
Connecting motor, KM1 auxiliary normally opened contact is connected, and YV obtains electric INO, and when reaching to set pressure, pressure switch PS is normal
Close point will disconnect, and YV power-off intake valve closes, it is achieved unloading, and motor 3 is in no-load running, i.e. civil power operational mode, this
Practical new control program, tight, coordinate, effective, design ingenious, it is easy to implement, also greatly facilitate while energy-conservation
The demand of client.
Part not in the detailed description of the invention is prior art, specifically shows although combining preferred embodiment and describes this
Bright, implement this technical scheme method and approach is a lot, the above is only the preferred embodiment of the present invention, but affiliated neck
The technical staff in territory should be understood that in the spirit and scope of the present invention limited without departing from appended claims, in shape
In formula and the present invention can be made a variety of changes in details, be protection scope of the present invention.
Claims (5)
1. an energy-saving air compressor, including converter, motor, air compressor machine, air accumulator, client, pressure transmitter
And catalyst, it is characterized in that: be provided with on motor converter, catalyst and air compressor machine, converter and catalyst respectively with electricity
Source is connected, and converter is provided with control panel, and air compressor machine is connected by webmaster with air accumulator, and air accumulator is connected with client
Connect, between air accumulator and converter, be provided with pressure transmitter.
A kind of energy-saving air compressor the most according to claim 1, is characterized in that: be provided with PID control in described converter
System processed, motor is controlled by converter by PID control system.
A kind of energy-saving air compressor the most according to claim 1, is characterized in that: described air accumulator is provided with closed loop control
System processed, closed-loop control system is made up of converter, pressure transmitter and pressure transducer, in pressure transmitter and converter
PID is connected, and pressure transducer is arranged on the webmaster between air compressor machine and air accumulator, the rotating speed of inverter control motor,
The unit air output controlling air compressor machine of motor.
A kind of energy-saving air compressor the most according to claim 2, is characterized in that: described PID control system is by pressure
Force transducer records between air compressor machine with air accumulator ductwork pressure value and compared with the setup pressure value on control panel, obtains
Pressure differential calculates converter through PID control system and acts on the frequency values of motor, and feedback pressure passes through PID with setting pressure
Control system comparison operation, by converter output corresponding frequencies and the alternating current of amplitude, makes motor obtain corresponding rotating speed, in real time
Controlling the output of converter, the air compressor machine corresponding compressed air of output is to air accumulator, to arrive ductwork pressure and setting pressure value phase
Deng, make air accumulator inner air pressure be stabilized to set pressure, signal is passed in converter by air accumulator by pressure transmitter
PID control system in.
A kind of energy-saving air compressor the most according to claim 1, is characterized in that: described catalyst is in parallel with converter
Between power supply and motor, when the PID in converter quits work, catalyst turns on the power and makes motor work on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610571858.2A CN106050607B (en) | 2016-07-20 | 2016-07-20 | A kind of energy-saving air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610571858.2A CN106050607B (en) | 2016-07-20 | 2016-07-20 | A kind of energy-saving air compressor |
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| Publication Number | Publication Date |
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| CN106050607A true CN106050607A (en) | 2016-10-26 |
| CN106050607B CN106050607B (en) | 2018-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610571858.2A Active CN106050607B (en) | 2016-07-20 | 2016-07-20 | A kind of energy-saving air compressor |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980021A (en) * | 2018-07-27 | 2018-12-11 | 珠海市盛西源机电设备有限公司 | A kind of application method of frequency conversion energy-saving system on air compressor machine |
| CN109973373A (en) * | 2017-12-28 | 2019-07-05 | 中国船舶重工集团公司第七一一研究所 | To the device and method of single cylinder diesel gas supply |
| CN110195703A (en) * | 2019-06-27 | 2019-09-03 | 西安交通大学 | A kind of three motor-driven single screw compressor control methods |
| CN110219802A (en) * | 2019-06-27 | 2019-09-10 | 西安交通大学 | A kind of three motor-driven single screw compressors |
| CN112332734A (en) * | 2020-09-07 | 2021-02-05 | 江苏大学 | Ultrahigh-speed electric air compressor variable voltage stability expansion control system and method for improving large-range speed regulation response capability |
| CN114352533A (en) * | 2022-01-24 | 2022-04-15 | 南通市红星空压机配件制造有限公司 | Control method for electric air inlet valve of movable air compressor |
| CN115405527A (en) * | 2022-08-16 | 2022-11-29 | 长沙昌佳智慧流体科技有限公司 | Mining intelligent multistage centrifugal pump |
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| CN203257650U (en) * | 2013-03-27 | 2013-10-30 | 上海中际能源科技有限公司 | Intelligent energy-saving control system of air compressor |
| CN103423138A (en) * | 2012-04-17 | 2013-12-04 | 苏州徕卡节能电气技术有限公司 | Energy-saving intelligent control device of air compressor |
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| CN205136018U (en) * | 2015-11-11 | 2016-04-06 | 河源旗滨硅业有限公司 | Air compressor economizer system based on PID frequency conversion |
| CN205207074U (en) * | 2015-12-10 | 2016-05-04 | 浙江新富凌电气股份有限公司 | Special PMSM actuating system of air compressor machine |
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2016
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| DE940419C (en) * | 1950-09-22 | 1956-03-15 | Atlas Diesel Ab | Compressor system |
| CN103423138A (en) * | 2012-04-17 | 2013-12-04 | 苏州徕卡节能电气技术有限公司 | Energy-saving intelligent control device of air compressor |
| CN203257650U (en) * | 2013-03-27 | 2013-10-30 | 上海中际能源科技有限公司 | Intelligent energy-saving control system of air compressor |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973373A (en) * | 2017-12-28 | 2019-07-05 | 中国船舶重工集团公司第七一一研究所 | To the device and method of single cylinder diesel gas supply |
| CN108980021A (en) * | 2018-07-27 | 2018-12-11 | 珠海市盛西源机电设备有限公司 | A kind of application method of frequency conversion energy-saving system on air compressor machine |
| CN110195703A (en) * | 2019-06-27 | 2019-09-03 | 西安交通大学 | A kind of three motor-driven single screw compressor control methods |
| CN110219802A (en) * | 2019-06-27 | 2019-09-10 | 西安交通大学 | A kind of three motor-driven single screw compressors |
| CN112332734A (en) * | 2020-09-07 | 2021-02-05 | 江苏大学 | Ultrahigh-speed electric air compressor variable voltage stability expansion control system and method for improving large-range speed regulation response capability |
| CN112332734B (en) * | 2020-09-07 | 2021-11-23 | 江苏大学 | Ultrahigh-speed electric air compressor variable voltage stability expansion control system and method for improving large-range speed regulation response capability |
| CN114352533A (en) * | 2022-01-24 | 2022-04-15 | 南通市红星空压机配件制造有限公司 | Control method for electric air inlet valve of movable air compressor |
| CN114352533B (en) * | 2022-01-24 | 2023-11-21 | 南通市红星空压机配件制造有限公司 | Control method for electric air inlet valve of mobile air compressor |
| CN115405527A (en) * | 2022-08-16 | 2022-11-29 | 长沙昌佳智慧流体科技有限公司 | Mining intelligent multistage centrifugal pump |
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| Publication number | Publication date |
|---|---|
| CN106050607B (en) | 2018-09-11 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An energy-saving air compressor Effective date of registration: 20230607 Granted publication date: 20180911 Pledgee: Bank of China Limited by Share Ltd. Luoyang branch Pledgor: LuoYang HongTai Semiconductor Co.,Ltd. Registration number: Y2023980043127 |
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