CN206668527U - A kind of air compressor machine frequency conversion system - Google Patents
A kind of air compressor machine frequency conversion system Download PDFInfo
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- CN206668527U CN206668527U CN201720442526.4U CN201720442526U CN206668527U CN 206668527 U CN206668527 U CN 206668527U CN 201720442526 U CN201720442526 U CN 201720442526U CN 206668527 U CN206668527 U CN 206668527U
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- air compressor
- compressor machine
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- processing unit
- signal processing
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 13
- 230000011664 signaling Effects 0.000 claims abstract description 17
- 230000005611 electricity Effects 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model discloses a kind of air compressor machine frequency conversion system, circuit is adjusted including frequency converter, air compressor machine, air accumulator, pressure sensor and PID, the frequency converter includes signal processing unit and signaling control unit, the pressure sensor is installed on the output end of air accumulator, pressure signal is converted into electric signal, the signal processing unit being transported to inside frequency converter；The signal that the signal processing unit inputs pressure sensor is compared with setting value after computing, and output control signal is to signaling control unit；The control signal output frequency that the signaling control unit inputs according to signal processing unit；The beneficial effects of the utility model are：Signaling control unit is according to the output frequency of the control signal; change motor speed in air compressor machine; adjust supply gas pressure; keep the constant of pressure; air compressor machine is set to be in the state of power-saving running all the time; air compressor machine will not be shut down for a long time when frequency converter breaks down, and further improve the operational efficiency and operational reliability of motor.
Description
Technical field
Control system of air compressor is the utility model is related to, specifically a kind of air compressor machine frequency conversion system.
Background technology
Air compressor machine is as conventional power-equipment, and its compressor reducer dosage typically constitutes from 60% or so of installation dosage, and air compressor machine is once
Start, motor is exactly power frequency operating, comes controlled loading, unloading just with air door.
It is typically loading 1 minute during real work, unloads 2 minutes, repeatedly loads, unloads to motor, air compressor machine and electricity
Net causes great impact；And during unloading operation, air compressor machine does not produce compressed air, and motor is in no-load running state, it is used
60% or so when electricity is full load, the electric energy of this part is wasted.
Frequently load and unload so that supply gas pressure is unstable, supplies the quality meeting that the fluctuation of pressure produces to later product
Produce certain influence.
The content of the invention
The purpose of this utility model is to provide a kind of air compressor machine frequency conversion system, to solve what is proposed in above-mentioned background technology
Problem.
To achieve the above object, the utility model provides following technical scheme：
A kind of air compressor machine frequency conversion system, including frequency converter, air compressor machine, air accumulator, pressure sensor and PID regulation circuits,
The frequency converter includes signal processing unit and signaling control unit, and the pressure sensor is installed on the output end of air accumulator,
Pressure signal is converted into electric signal, the signal processing unit being transported to inside frequency converter；The signal processing unit is by pressure
The signal of sensor input is compared with setting value after computing, and output control signal is to signaling control unit；The signal control
The control signal output frequency that unit processed inputs according to signal processing unit, adjust the motor speed in air compressor machine, the frequency conversion
Device input is connected with external electrical network, and its output end electrically connects with the motor of air compressor machine；The external electrical network and work frequency circuit are defeated
Enter end to be connected, output end and the pneumatics mechatronics of work frequency circuit, air compressor machine delivery outlet connection air accumulator.
As further program of the utility model：The signal processing unit includes PID regulation circuits.
As the utility model further scheme：The PID regulations circuit is connected with warning circuit.
As the utility model further scheme：The pressure sensor is telemetering type pressure sensor.
Compared with prior art, the beneficial effects of the utility model are：Signaling control unit is according to the defeated of the control signal
Go out frequency, change motor speed in air compressor machine, adjust supply gas pressure, keep the constant of pressure, make air compressor machine all the time in economize on electricity
The state of operation, air compressor machine will not be shut down for a long time when frequency converter breaks down, further improve motor operational efficiency and
Operational reliability.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of air compressor machine frequency conversion system.
Embodiment
The technical scheme of this patent is described in more detail with reference to embodiment.
Referring to Fig. 1, a kind of air compressor machine frequency conversion system, including frequency converter 3, air compressor machine 8, air accumulator 9, pressure sensor 10
Circuit 6 is adjusted with PID, the frequency converter 3 includes signal processing unit 5 and signaling control unit 4, and the pressure sensor 10 is pacified
Output end loaded on air accumulator 9, pressure signal is converted into electric signal, the signal processing unit 4 being transported to inside frequency converter 3；
The signal that the signal processing unit 4 inputs pressure sensor 10 is compared with setting value after computing, output control signal
To signaling control unit 4；The control signal output frequency that the signaling control unit 4 inputs according to signal processing unit 5, adjustment
Motor speed in air compressor machine 8, the input of frequency converter 3 are connected with external electrical network 1, its output end and the motor of air compressor machine 8
Electrical connection；The external electrical network 1 is connected with work frequency circuit input 2, and the output end of work frequency circuit 2 electrically connects with air compressor machine 8, empty
The delivery outlet of press 8 connects air accumulator 9；Installed in the pressure sensor 10 of the output end of air accumulator 9, pressure signal is changed into 0-5V
Electric signal, be sent to inside frequency converter 3 PID regulation circuit 6 on, PID regulation circuit 6 signal and pressure set points are compared
Compared with to the output control signal of 3 signaling control unit of frequency converter 4, signaling control unit 4 is according to the output of the control signal after computing
Frequency, change motor speed in air compressor machine 8, adjust supply gas pressure, keep the constant of pressure, make air compressor machine 8 all the time in economize on electricity
The state of operation；Work frequency circuit 2 is set, and external electrical network 1 is connected by work frequency circuit 2 with air compressor machine 8, and the delivery outlet of air compressor machine 8 connects
Logical air accumulator 9, when air compressor machine 8 breaks down in frequency converter 3, the power frequency operation switching control function of frequency converter 3 is run, is switched to
Control air compressor machine 8 to continue to run with by work frequency circuit 2, air compressor machine 8 is not shut down for a long time when frequency converter 3 breaks down,
Further improve the operational efficiency and operational reliability of motor.
The signal processing unit 5 includes PID regulation circuits 6.
The PID regulations circuit 6 is connected with warning circuit 7.
The pressure sensor 10 is telemetering type pressure sensor.
Operation principle of the present utility model is：Installed in the pressure sensor 10 of the output end of air accumulator 9, pressure signal is turned
0-5V electric signal is melted into, is sent on the PID regulation circuits 6 inside frequency converter 3, PID adjusts circuit 6 and sets signal and pressure
Value is believed after being compared computing to the output control signal of 3 signaling control unit of frequency converter 4, signaling control unit 4 according to the control
Number output frequency, change air compressor machine 8 in motor speed, adjust supply gas pressure, keep the constant of pressure, make air compressor machine 8 all the time
State in power-saving running；Work frequency circuit 2 is set, and external electrical network 1 is connected by work frequency circuit 2 with air compressor machine 8, air compressor machine 8
Delivery outlet connects air accumulator 9, when air compressor machine 8 breaks down in frequency converter 3, runs the power frequency operation switching control work(of frequency converter 3
Can, switch to and control air compressor machine 8 to continue to run with by work frequency circuit 2, make the not president when frequency converter 3 breaks down of air compressor machine 8
Time shuts down, and further improves the operational efficiency and operational reliability of motor.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " is set in description of the present utility model
Put ", " connected " and " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or one
Ground connects；Can be joined directly together, can also be indirectly connected by intermediary, can be the connection of two element internals.It is right
For one of ordinary skill in the art, concrete meaning of the above-mentioned term in the utility model can be understood with concrete condition.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (4)
1. a kind of air compressor machine frequency conversion system, including frequency converter, air compressor machine, air accumulator, pressure sensor and PID regulation circuits, its
It is characterized in, the frequency converter includes signal processing unit and signaling control unit, and the pressure sensor is installed on air accumulator
Output end, pressure signal is converted into electric signal, the signal processing unit being transported to inside frequency converter；The signal processing unit
The signal that pressure sensor is inputted is compared with setting value after computing, and output control signal is to signaling control unit；It is described
The control signal output frequency that signaling control unit inputs according to signal processing unit, adjust the motor speed in air compressor machine, institute
State inverter input with external electrical network to be connected, its output end electrically connects with the motor of air compressor machine；The external electrical network and power frequency
Circuit input end is connected, output end and the pneumatics mechatronics of work frequency circuit, air compressor machine delivery outlet connection air accumulator.
2. a kind of air compressor machine frequency conversion system according to claim 1, it is characterized in that, the signal processing unit includes PID
Adjust circuit.
3. a kind of air compressor machine frequency conversion system according to claim 2, it is characterized in that, the PID regulation circuits and alarm electricity
Road is connected.
4. a kind of air compressor machine frequency conversion system according to claim 1, it is characterized in that, the pressure sensor is telemetering type pressure
Force snesor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720442526.4U CN206668527U (en) | 2017-04-25 | 2017-04-25 | A kind of air compressor machine frequency conversion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720442526.4U CN206668527U (en) | 2017-04-25 | 2017-04-25 | A kind of air compressor machine frequency conversion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206668527U true CN206668527U (en) | 2017-11-24 |
Family
ID=60370967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720442526.4U Expired - Fee Related CN206668527U (en) | 2017-04-25 | 2017-04-25 | A kind of air compressor machine frequency conversion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206668527U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899289A (en) * | 2019-04-23 | 2019-06-18 | 西安交通大学 | A kind of double rolling piston compressor structures and its control method of Dual-motors Driving |
-
2017
- 2017-04-25 CN CN201720442526.4U patent/CN206668527U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899289A (en) * | 2019-04-23 | 2019-06-18 | 西安交通大学 | A kind of double rolling piston compressor structures and its control method of Dual-motors Driving |
| CN109899289B (en) * | 2019-04-23 | 2020-05-22 | 西安交通大学 | Double-motor-driven double-rolling piston compressor structure and control method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171124 |