CN207813887U - A kind of servo pneumatics device control device - Google Patents
A kind of servo pneumatics device control device Download PDFInfo
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- CN207813887U CN207813887U CN201721885881.5U CN201721885881U CN207813887U CN 207813887 U CN207813887 U CN 207813887U CN 201721885881 U CN201721885881 U CN 201721885881U CN 207813887 U CN207813887 U CN 207813887U
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Abstract
The utility model provides a kind of servo pneumatics device control device, described device includes servo motor, air compressor machine, air accumulator, pressure sensor and controller, the servo motor is connect by shaft with the air compressor machine, air compressor machine is connect by the first air valve with air accumulator, the pressure sensor and servo motor are electrically connected with the controller, and the pressure sensor is used to detect the pressure signal of the air accumulator；The controller is used to control the servo motor according to the pressure signal that the pressure sensor detects and operate.The servo pneumatics device control device of the utility model, can realize Isobarically Control, transmission efficiency, good energy-conserving effect.
Description
Technical field
The utility model is related to pneumatics device field more particularly to a kind of servo pneumatics device control devices.
Background technology
Air compressor is the main body in compressed air source unit, it is the dress that the mechanical energy of prime mover is converted into gas pressure energy
It sets, is the pressure generator of compressed air.Have in the industrial production and is extremely widely applied.
Traditional air compressor machine generally uses star triangle, auto-transformer or frequency sensitive trheostat to start, and electric current still can when startup
Reach 2-3 times of rated current, impact is big, influences whether the stability of power grid.And most of air compressor machines are continuous operations, by
Reduction of speed cannot be realized in motor of general air compressor machine itself according to the variation of pressure demand, keep output power of motor real with scene
Border pressure demand amount matches, and causes still to want no-load running when gas consumption is few, causes huge waste of energy.Deposit
In following problem：
(1) air compressor machine unloads when air pressure is more than pressure upper limit, and at this moment motor is still dallying, and wastes a large amount of electric energy.
(2) frequently unloading is added to cause the impact to power grid, while also increases mechanical wear, shorten mechanical life.
(3) tolerance cannot keep constant pressure.When gas consumption constantly changes, supply gas pressure unavoidably generates fluctuation.
Therefore, it is necessary to provide a kind of new technical solution.
Utility model content
In order to overcome the defect of the above-mentioned prior art, the utility model to provide a kind of servo pneumatics device control device, energy
Enough realize Isobarically Control, transmission efficiency, good energy-conserving effect.
To reach above-mentioned purpose, a kind of servo pneumatics device control device of the utility model, described device include servo electricity
Machine, air compressor machine, air accumulator, pressure sensor and controller, the servo motor are connect by shaft with the air compressor machine, empty
Press is connect by the first air valve with air accumulator,
The pressure sensor and servo motor are electrically connected with the controller,
The pressure sensor is used to detect the pressure signal of the air accumulator；
The controller is used to control the servo motor according to the pressure signal that the pressure sensor detects and operate.
Further, the servo motor shares same shaft with the air compressor machine.
Further, further include pressure transmitter, the pressure transmitter is set to the gas outlet of the air accumulator, and with
The controller electrical connection, the pressure transmitter are used to the pressure transition of the air accumulator be current signal.
Further, the controller is PID controller.
Further, the air accumulator is connect by the second air valve with gas pipe network.
Further, first air valve is intake valve, and second air valve is air outlet valve.
Further, the multiple contactors for further including circuit and being connected in the circuit,
The servo motor is connected in the circuit, and is located in one of between contactor and air compressor machine, the control
Device processed is connected in the circuit, and is located therein between two contactors.
Compared with prior art, the utility model has the following advantages that：
The servo pneumatics device control device of the utility model, uses variable-frequency control technique, when gas consumption is reduced, gas storage
Pressure tank increases, and pressure is more than setting pressure at this time, is adjusted by controller PID, can reduce the rotating speed of motor, to subtract
The operation power of small size motor, not only reduces energy consumption, avoids the mechanical shock to take place frequently, also improves quality of filling gas and realizes perseverance
Pressure gas supply.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these attached drawings
Obtain other attached drawings.Wherein：
Fig. 1 is the structure diagram of the utility model servo pneumatics device control device.
Wherein, 1- servo motors, 2- air compressor machines, 3- air accumulators, 4- controllers, the first air valves of 5-, the second gas of 6-
Valve, 7- contactors, 8- gas pipe networks.
Specific implementation mode
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings and have
Body embodiment is described in further detail the utility model.
" one embodiment " or " embodiment " referred to herein refers to that may be included at least one realization side of the utility model
A particular feature, structure, or characteristic in formula." in one embodiment " that different places occur in the present specification not refers both to
The same embodiment, nor the individual or selective embodiment mutually exclusive with other embodiment.
Referring to Fig. 1, it is the structure diagram of the utility model servo pneumatics device control device.As shown in Figure 1, this practicality
Novel servo pneumatics device control device comprising servo motor 1, air compressor machine 2, air accumulator 3, pressure sensor and controller 4,
The servo motor 1 is connect by shaft with the air compressor machine 2, and air compressor machine 2 is connect by the first air valve 5 with air accumulator 3.
The pressure sensor and servo motor 1 are electrically connected with the controller 4.
The pressure sensor is used to detect the pressure signal of the air accumulator 3.
The controller 4 is used to control the servo motor 1 according to the pressure signal that the pressure sensor detects and transport
Turn.
As a preferred embodiment, the servo motor 1 shares same shaft with the air compressor machine 2.The servo
Motor 1 does not have bearing, the rotor with permanent magnet to be directly installed on the projecting shaft of male rotor, transmission efficiency 100%.And this
The servo motor 1 of utility model does not need exciting current：Servo motor no longer needs external energy that can establish after magnetizing
Very strong permanent-magnetic field for substituting the electrical excitation field of conventional motors, and eliminates exciting current.And simple in structure, operation
Reliably, common electric machine energy saving 30% or more is compared.
The control device of the utility model further includes pressure transmitter, and the pressure transmitter is set to the air accumulator 3
Gas outlet, and be electrically connected with the controller 4, the pressure transmitter is used to the pressure transition of the air accumulator 3 be electricity
Flow signal.
The controller 4 is PID controller.
The control device of the utility model can realize Isobarically Control by 4 operation of PID controller：When pressure reaches
When setting, autostop or frequency reducing are realized energy saving.
The air accumulator 3 is connect by the second air valve 6 with gas pipe network.First air valve 5 is intake valve, second gas
Valve 6 is air outlet valve.The servo air compressor control device of the utility model replaces asynchronous machine with servo motor 1, and gas pipe network 8 is pressed
Masterpiece object in order to control.It can freely be set in the maximum allowable working pressure of air compressor machine according to the actual needs of gas equipment.
The pressure transition of air accumulator is that 4-20mA current signals give system internal PID tune by the pressure transmitter being connected with air accumulator
Device is saved, is compared with pressure given value, and controls the output frequency of frequency converter according to the size of difference, adjusts turning for motor
Speed realizes low energy consumption high quality gas supply to make actual pressure maintain given pressure always.
The control device of the utility model further includes circuit and multiple contactors 7 for being connected in the circuit, described to watch
It takes motor 1 to be connected in the circuit, and is located in one of between contactor 7 and air compressor machine 2, the controller 4 is connected to
In the circuit, and between the two of which contactor 7.
The operation principle of the utility model is as follows：Start control device after setting pressure, controller starts driving motor
Operating, pressure is gradually increasing at this time, while the pressure detected is sent into controller by pressure sensor, and controller is by pressure sensing
The actual pressure of device detection is compared with the pressure of setting, if actual pressure is less than setting pressure, the controller control
The driver output frequency of servo motor increases, and increases output power, if actual pressure is greater than the set value, controller control is watched
The driver for taking motor reduces or stops output, by pressure stability in setting value.
The utility model has the following advantages that：
The servo pneumatics device control device of the utility model, uses variable-frequency control technique, when gas consumption is reduced, gas storage
Pressure tank increases, and pressure is more than setting pressure at this time, is adjusted by controller PID, can reduce the rotating speed of motor, to subtract
The operation power of small size motor, not only reduces energy consumption, avoids the mechanical shock to take place frequently, also improves quality of filling gas and realizes perseverance
Pressure gas supply.
Above description fully discloses specific embodiment of the present utility model.It should be pointed out that being familiar with the neck
Right of any change that the technical staff in domain does specific embodiment of the present utility model all without departing from the utility model
The range of claim.Correspondingly, the scope of the claims of the utility model is also not limited only to aforementioned specific embodiment party
Formula.
Claims (7)
1. a kind of servo pneumatics device control device, it is characterised in that：Described device includes servo motor (1), air compressor machine (2), storage
Gas tank (3), pressure sensor and controller (4), the servo motor (1) are connect by shaft with the air compressor machine (2), institute
Air compressor machine (2) is stated to connect with the air accumulator (3) by the first air valve (5),
The pressure sensor and the servo motor (1) are electrically connected with the controller (4),
The pressure sensor is used to detect the pressure signal of the air accumulator (3)；
The controller (4) is used to control the servo motor (1) according to the pressure signal that the pressure sensor detects and operate.
2. servo pneumatics device control device according to claim 1, it is characterised in that：
The servo motor (1) shares same shaft with the air compressor machine (2).
3. servo pneumatics device control device according to claim 1, it is characterised in that：
Further include pressure transmitter, the pressure transmitter is set to the gas outlet of the air accumulator (3), and with the controller
(4) it is electrically connected, the pressure transmitter is used to the pressure transition of the air accumulator (3) be current signal.
4. servo pneumatics device control device according to claim 3, it is characterised in that：
The controller (4) is PID controller.
5. servo pneumatics device control device according to claim 4, it is characterised in that：
The air accumulator (3) is connect by the second air valve (6) with gas pipe network (8).
6. servo pneumatics device control device according to claim 5, it is characterised in that：
First air valve (5) is intake valve, and second air valve (6) is air outlet valve.
7. servo pneumatics device control device according to claim 1, it is characterised in that：
Further include circuit and the multiple contactors (7) being connected in the circuit,
The servo motor (1) is connected in the circuit, and is located in one of between contactor (7) and air compressor machine (2), institute
It states controller to be connected in the circuit, and is located therein between two contactors (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721885881.5U CN207813887U (en) | 2017-12-27 | 2017-12-27 | A kind of servo pneumatics device control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721885881.5U CN207813887U (en) | 2017-12-27 | 2017-12-27 | A kind of servo pneumatics device control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207813887U true CN207813887U (en) | 2018-09-04 |
Family
ID=63328256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721885881.5U Active CN207813887U (en) | 2017-12-27 | 2017-12-27 | A kind of servo pneumatics device control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207813887U (en) |
-
2017
- 2017-12-27 CN CN201721885881.5U patent/CN207813887U/en active Active
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