CN206530524U - A kind of centrifugal blower control system - Google Patents
A kind of centrifugal blower control system Download PDFInfo
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- CN206530524U CN206530524U CN201720225262.7U CN201720225262U CN206530524U CN 206530524 U CN206530524 U CN 206530524U CN 201720225262 U CN201720225262 U CN 201720225262U CN 206530524 U CN206530524 U CN 206530524U
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- centrifugal blower
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- computer
- surveillance center
- control system
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Abstract
The utility model discloses a kind of centrifugal blower control system, including Surveillance center's computer, interchanger, PLC, centrifugal blower and it is located at multiple temperature sensors thereon, Surveillance center's computer is connected with interchanger, the interchanger is connected with PLC using Ethernet, the PLC is connected with centrifugal blower, PLC receives the signal of centrifugal blower and delivers it to Surveillance center's computer, and Surveillance center's computer is monitored and controlled to centrifugal blower by PLC.Using control system of the present utility model; it can be by adjusting the valve opening of admission line upper air electric control valve; make the intake and actual water level load matched of air blower; air blower is allowed to operate under optimal working environment; extend its service life, the features such as it has simple to operate, reliable, safeguard protection.
Description
Technical field
The utility model is related to sewage treatment area, and more particularly to a kind of centrifugal blower for water process controls system
System, the system is mainly used for carrying out centrifugal blower during water process the control system of clean boot and error protection.
Background technology
Currently used for the air blower generally existing heavy service phenomenon of water process, when water level is high, when loading big, such as directly open
Dynamic air blower, will produce overcurrent trip, cause air blower to start not.So traditional startup method is usually, drum
Fan inlet, outlet sets hand-operated valve, when starting air blower, and first manual control valve, restarts air blower, wait air blower to start
After stable, then valve is manually adjusted to normal operating condition, and air blower and motor without mounting temperature sensor.Therefore should
Method exists cumbersome, and air blower easily causes overload, and no overtemperature prote often occurs that fan bearing burns, and motor burns
The phenomenon such as ruin, cause the job insecurity of air blower, service life is not long.
The content of the invention
In view of the above-mentioned problems, the purpose of this utility model is to provide a kind of centrifugal blower control system, it is by this
The valve opening of the adjustable admission line upper air electric control valve of system, makes the intake and actual water level load matched of air blower,
Allow air blower to operate under optimal working environment, extend its service life, there is simple to operate, reliable, safety to protect for it
The features such as shield.
To reach above-mentioned purpose, the technical scheme that the utility model is proposed is：A kind of centrifugal blower control system, bag
Include Surveillance center's computer, interchanger, PLC, centrifugal blower and be located at multiple temperature sensors thereon, the Surveillance center
Computer is connected with interchanger, and the interchanger is connected with PLC using Ethernet, and the PLC is connected with centrifugal blower,
PLC receives the signal of centrifugal blower and delivers it to Surveillance center's computer, and Surveillance center's computer passes through PLC pairs
Centrifugal blower is monitored and controlled.
Further, the centrifugal blower is provided with 7 temperature sensors, be separately positioned on its blower fan antero posterior axis, its
On the three-phase windings of motor antero posterior axis and motor, each temperature sensor is all connected with PLC, and PLC gathers and received in real time temperature
The temperature signal of sensor, and the historical process curve for showing each temperature is preserved on Surveillance center's computer.
Further, it is provided with the admission line of the centrifugal blower on air inlet electric control valve, outlet pipe successively
Provided with emptying electric control valve, electro connecting pressure gauge and outlet electric control valve, it is all connected with PLC, and PLC can receive electronic
The valve of regulating valve signal and sends Surveillance center's computer in place.
Further, the centrifugal blower control system also includes a touch-screen, and it is connected with PLC, is touched by this
Touching screen or Surveillance center's computer can control to the electric control valve on centrifugal blower and its admission line and outlet pipe
System.
Further, the control system is provided with automatic mode and manual mode, during selection automatic mode, can pass through scene
Touch-screen and Surveillance center's computer are stopped operation to centrifugal blower progress one-key start and a key.
Using above-mentioned technical proposal, the utility model has following beneficial effect：The system can realize one-key start and
One key is stopped operation, and improves the automatic control level of the centrifugal blower for water process, and letter is operated in actual production
Just, can make centrifugal blower operate in it is safe and reliable under conditions of, be effectively protected centrifugal blower, extend it and use the longevity
Order, and every service data of centrifugal blower is saved on Surveillance center's computer by PLC collections, is available for consulting and is divided
Analysis.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model centrifugal blower control system；
Fig. 2 is the peace of temperature sensor, electric control valve, electro connecting pressure gauge on centrifugal blower in the utility model
Fill schematic diagram；
Wherein：1. Surveillance center's computer；2. interchanger；3.PLC；4. centrifugal blower；41. blower fan；42. motor；5.
Temperature sensor；6. Ethernet；7. air inlet electric control valve；8. it is vented electric control valve；9. outlet electric control valve；10. electricity
Contact pressure table；11. touch-screen；12. admission line；13. outlet pipe.
Embodiment
With reference to the accompanying drawings and detailed description, the utility model is described further.
As shown in figure 1, a kind of centrifugal blower control system for water process, including Surveillance center's computer 1, exchange
Machine 2, PLC 3, centrifugal blower 4 and multiple temperature sensors 5 thereon are located at, Surveillance center's computer 1 is connected with interchanger 2
Connect, interchanger 2 is connected with PLC 3 using EPA 6, and PLC 3 is connected with centrifugal blower 4, PLC 3 receives centrifugation air blast
The signal of machine 4 simultaneously delivers it to Surveillance center's computer 1, and Surveillance center's computer 1 is by PLC 3 to centrifugal blower
4 are monitored and control.
As shown in Fig. 2 the centrifugal blower 4 in the present embodiment is separately positioned on its wind provided with 7 temperature sensors 5
On the three-phase windings of machine antero posterior axis, its motor antero posterior axis and motor, these temperature sensors 5 are all connected with PLC 3, pass through
PLC 3 can gather and receive in real time the temperature signal of temperature sensor 5, and each temperature of preservation display on Surveillance center's computer 1
The historical process curve of degree, can be used to monitor the running temperature situation at each position on the blower fan and motor of centrifugal blower 4, works as temperature
When degree exceedes the overload temperature of default, just start shutdown procedure, to realize blower fan 41 and motor 42 to centrifugal blower 4
Overload protection.
, can be at the admission line 12 of centrifugal blower 4 further to improve the automatic control level of centrifugal blower 4
Provided with air inlet electric control valve 7, emptying electric control valve 8, electro connecting pressure gauge 10 and outlet are sequentially provided with outlet pipe 13
Electric control valve 9, each electric control valve and electro connecting pressure gauge 10 are all connected with PLC 3.
PLC 3 can gather the temperature at each position on various data-signals during air blower operation, such as blower fan 41 and motor in real time
Motorized adjustment valve signal, pressure signal, remote signal on degree signal, motor current signal, admission line 12 and outlet pipe 13
Deng after these data-signals are changed and calculated, by the access switch 2 of EPA 6, then with central control room
Surveillance center's computer 1 connect, control signal is transferred to PLC 3 by Surveillance center's computer 1 again, PLC 3 control again from
The start and stop of heart air blower 4, the switch of electric control valve valve, aperture regulation of air inlet electric control valve 7 etc..
In addition, the control system of centrifugal blower 4 also includes a touch-screen, it is connected with PLC 3, passes through the touch-screen
Electric control valve on centrifugal blower 4 and its admission line 12 and outlet pipe 13 can be adjusted and be controlled.
Further, the control system is provided with automatic mode and manual mode, can if selecting automatic mode during operation
The progress one-key start of centrifugal blower 4 and a key are stopped operation by live touch-screen and Surveillance center's computer 1.One key
Start specific flow as follows：One-key start button is pressed, centrifugal blower 4 is opened, after air blower is stable（Time can set
Put）, outlet electric control valve 9 is opened, outlet electric control valve 9 is reached behind position, opens air inlet electric control valve 7, then root again
According to the aperture of loading condition adjustment air inlet electric control valve 7.It is as follows that one key stops specific flow：Next key stop button is pressed, is closed
Air inlet electric control valve 7 is closed, after air blower is stable（Time can be set）, emptying electric control valve 8 is opened, when PLC 3 is received
Valve to emptying electric control valve 8 is reached after a signal, closes air blower, after 10 seconds, closes outlet electric control valve 9,10
Emptying electric control valve 8 is closed after second, shutdown process terminates.
PLC 3 gathers the running current of air blower, the temperature of each temperature measuring point, and touch-screen and Surveillance center at the scene in real time
Display is preserved, history of forming conditional curve.By setting overcurrent, overtemperature prote value, when air blower fortune in the control system
During row overload overtemperature, stoppage protection is realized.Relative to traditional air compressor control mode, the utility model is improved at water
The automatic control level of the centrifugal blower 4 of reason, easy to operate in actual production, operation safety, reliably, is effectively protected
The safety of air blower, extends its service life.
Although specifically showing and describing the utility model with reference to preferred embodiment, those skilled in the art should
This is understood, is not departing from the spirit and scope of the present utility model that appended claims are limited, in form and details
On the utility model is made a variety of changes, be protection domain of the present utility model.
Claims (5)
1. a kind of centrifugal blower control system, it is characterised in that including Surveillance center's computer, interchanger, PLC, centrifugation drum
Blower fan and be located at multiple temperature sensors thereon, Surveillance center's computer is connected with interchanger, the interchanger and
PLC is connected using Ethernet, and the PLC is connected with centrifugal blower, and PLC receives the signal of centrifugal blower and passes the signal
Surveillance center's computer is given, Surveillance center's computer is monitored and controlled to centrifugal blower by PLC.
2. a kind of centrifugal blower control system as claimed in claim 1, it is characterised in that the centrifugal blower is provided with
On 7 temperature sensors, the three-phase windings for being separately positioned on its blower fan antero posterior axis, its motor antero posterior axis and motor, each temperature is passed
Sensor is all connected with PLC, and PLC gathers and received in real time the temperature signal of temperature sensor, and on Surveillance center's computer
Preserve the historical process curve of each temperature of display.
3. a kind of centrifugal blower control system as claimed in claim 2, it is characterised in that the air inlet of the centrifugal blower
It is provided with pipeline on air inlet electric control valve, outlet pipe and is sequentially provided with emptying electric control valve, electro connecting pressure gauge and outlet
Electric control valve, it is all connected with PLC, and PLC can receive the valve of electric control valve and signal and send Surveillance center in place
Computer.
4. a kind of centrifugal blower control system as claimed in claim 3, it is characterised in that the centrifugal blower control system
System also includes a touch-screen, and it is connected with PLC, by the touch-screen or Surveillance center's computer can to centrifugal blower and its
Electric control valve on admission line and outlet pipe is controlled.
5. a kind of centrifugal blower control system as described in claim 3 or 4, it is characterised in that the control system is provided with
Automatic mode and manual mode, can be by live touch-screen and Surveillance center's computer to centrifugation air blast during selection automatic mode
Machine carries out one-key start and a key is stopped operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720225262.7U CN206530524U (en) | 2017-03-09 | 2017-03-09 | A kind of centrifugal blower control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720225262.7U CN206530524U (en) | 2017-03-09 | 2017-03-09 | A kind of centrifugal blower control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206530524U true CN206530524U (en) | 2017-09-29 |
Family
ID=59918440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720225262.7U Active CN206530524U (en) | 2017-03-09 | 2017-03-09 | A kind of centrifugal blower control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206530524U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676285A (en) * | 2017-09-30 | 2018-02-09 | 四川德胜集团钒钛有限公司 | A kind of frequency conversion control device for annular cooling blower and method |
| CN110397604A (en) * | 2019-08-09 | 2019-11-01 | 浙江绿美泵业有限公司 | A kind of canned motor pump |
| CN111927815A (en) * | 2020-08-20 | 2020-11-13 | 山东莱钢永锋钢铁有限公司 | Method for opening inlet door of electric fan by one key |
-
2017
- 2017-03-09 CN CN201720225262.7U patent/CN206530524U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676285A (en) * | 2017-09-30 | 2018-02-09 | 四川德胜集团钒钛有限公司 | A kind of frequency conversion control device for annular cooling blower and method |
| CN110397604A (en) * | 2019-08-09 | 2019-11-01 | 浙江绿美泵业有限公司 | A kind of canned motor pump |
| CN111927815A (en) * | 2020-08-20 | 2020-11-13 | 山东莱钢永锋钢铁有限公司 | Method for opening inlet door of electric fan by one key |
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