CN209278192U - A kind of ventilation blower automatic running control integrated system - Google Patents
A kind of ventilation blower automatic running control integrated system Download PDFInfo
- Publication number
- CN209278192U CN209278192U CN201822231122.8U CN201822231122U CN209278192U CN 209278192 U CN209278192 U CN 209278192U CN 201822231122 U CN201822231122 U CN 201822231122U CN 209278192 U CN209278192 U CN 209278192U
- Authority
- CN
- China
- Prior art keywords
- signal
- plc controller
- fan
- acquisition unit
- blower
- 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.)
- Active
Links
Landscapes
- Control Of Positive-Displacement Air Blowers (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model is to control integrated system about a kind of ventilation blower automatic running, including control cabinet and data acquisition unit, frequency converter and PLC controller are equipped in the control cabinet, the control cabinet is equipped with touch screen and display, the PLC controller is equipped with multiple data acquisition unit receiving ends, the frequency converter is connect with PLC controller, variable-frequency motor, air door import actuator, air door outlet actuator respectively, and the PLC controller is connect with touch screen, display and data acquisition unit connection.After adopting the above structure, the beneficial effect is that: may be implemented to ventilation blower constant pressure control and constant flux control.
Description
Technical field
The utility model belongs to blower fan control system technical field, is about a kind of ventilation blower automatic running specifically
Control integrated system.
Background technique
In industrial production, product processing manufacturing industry, ventilation equipment be mainly used for boiler combustion system, drying system,
Cooling system, ventilating system occasion.The indexs such as furnace pressure, wind speed, air quantity, temperature are controlled and are adjusted as needed with
Adapt to technique requirement and operating condition.
For the ventilation blower of wind power plant, since wind power plant is usually built in the very harsh environment such as desert, sea, wind
Energy Site for Unit running environment is severe, and requirement of the wind-powered electricity generation industry to automated production is just more harsh, it is desirable that wind power control system
There is powerful data storage function, perfect safety protection function and stronger opening.In addition, for wind power plant
Ventilation blower need at any time be monitored the performance indexes of ventilation blower, need to realize using multinomial measure to ventilation blower from
Dynamic control, so that the properties of system are optimal.
For this purpose, existing ventilation blower automatic running control integrated system is with national standard " ventilator air power performance examination
Proved recipe method " it is the fortune of foundation, applicable industry computer control and detection technique and unique proprietary research achievement to mining large ventilator
Row state carries out continuous on-line measurement and data processing, provides the various data of ventilation blower operating status in many ways, ensures
The safe operation of ventilation blower and the performance test for facilitating ventilation blower, and convenient condition is provided for multiple functions expansion.
However, it is existing ventilation machine control system be generally only monitor blower revolving speed, and by adjust rotation speed of fan come
Blower fan system is set to reach goal pressure or flow status.But the control mode cannot directly control fan inlet pressure, import
Flow and outlet pressure.When external environment variation, such as the variation of atmospheric gas pressure or with the increase blower leaf for using the time
For piece there may be dust stratification, these, which all may cause, deviates target flow or goal pressure.Therefore, only by blower fan main shaft revolving speed without
Whether the import or export of method accurate judgement ventilation blower is in constant pressure and whether the import of ventilation blower is in constant flow state.
In addition, existing blower fan control system, shows that pressure is bigger than normal/less than normal or flow is inclined when monitoring reaches data
Greatly/it is less than normal when, need to arrange maintenance personal and overhauled to scene, high labor cost, low efficiency.
Utility model content
The purpose of the utility model is to provide a kind of ventilation blower automatic runnings to control integrated system, to solve existing ventilation blower
The problem of automatic running control integrated system cannot achieve inlet and outlet constant pressure and import constant flux control.
To achieve the above object, the utility model uses following technical scheme:
A kind of ventilation blower automatic running controls integrated system, including control cabinet and data acquisition unit, in the control cabinet
Equipped with frequency converter and PLC controller, the control cabinet is equipped with touch screen and display, and the data acquisition unit includes blower
Main shaft velocity sensor, fan inlet pressure sensor, fan inlet flow sensor and fan outlet pressure sensor；
The data acquisition unit, for collected signal to be passed to PLC controller；
The PLC controller, the signal of acquisition unit for receiving data, and signal is passed into display, simultaneously will
Collected signal is converted to data and is stored in the storage unit of PLC controller；For receiving the signal of touch screen programming, and
It is converted to data to be stored in the storage unit of PLC controller, as blower fan system analog signal；And for exporting blower system
Analog signal of uniting and the comparison result for acquiring signal simultaneously issue program command signal to frequency converter；
The frequency converter, the signal for feeding back PLC controller is sent to air door import actuator, air door outlet executes
Device and variable-frequency motor.
According to the utility model, the control cabinet is equipped with expansion card, for extending the memory space of blower fan control system,
Mobile phone, computer etc. can also be connected by expansion card, realize online management.
According to the utility model, the data acquisition unit further includes Fan Bearing Box front axle temperature sensor, blower leaf
Take turns end bearing axial vibration sensor, draught fan impeller end bearing radial vibration sensor, Fan Bearing Box rear axle temperature sensor,
Motor end bearing axial vibration sensor, motor end bearing radial vibration sensor, can be monitored in real time the operation conditions of blower.
According to the utility model, alarm is additionally provided on the control cabinet, the alarm is connect with PLC controller,
Signal goes beyond the limit of value and system jam alarm beyond range of signal, signal.In system jam, display
It is upper while showing the corresponding malfunction of blower fan system, after troubleshooting, warning function can be resetted by touch screen.
The ventilation blower automatic running of the utility model controls integrated system, the beneficial effect is that:
1, the constant flux control of the constant pressure control and ventilation blower import imported and exported to ventilation blower is realized；
2, it realizes and ventilator performance parameters, duty parameter is monitored in real time；
3, the long-range monitoring and operation to ventilation blower are realized, user's monitoring and management are facilitated.
Detailed description of the invention
Fig. 1 is that the ventilation blower automatic running of the utility model controls the module diagram of integrated system.
Fig. 2 is the front schematic view of ventilation blower.
Fig. 3 is the side schematic view of ventilation blower.
Specific embodiment
Below in conjunction with specific attached drawing, the ventilation blower automatic running control integrated system of the utility model is made further detailed
Explanation.
As shown in Figure 1, a kind of ventilation blower automatic running for the utility model controls integrated system, including control cabinet sum number
According to acquisition unit, frequency converter and PLC controller are equipped in the control cabinet, the control cabinet is equipped with touch screen and display,
The PLC controller be equipped with multiple data acquisition unit receiving ends, the frequency converter respectively with PLC controller, variable-frequency motor
3, air door import actuator 1, the air door outlet connection of actuator 2 (as shown in Figures 2 and 3), the PLC controller and touch screen,
Display connection is connected with data acquisition unit；The data acquisition unit, for collected signal to be passed to PLC control
Device；The PLC controller, the signal of acquisition unit for receiving data, and signal is passed into display, while will collect
Signal be converted to data and be stored in the storage unit of PLC controller；For receiving the signal of touch screen programming, and it is converted to
Data are stored in the storage unit of PLC controller, are used as blower fan system analog signal；And for exporting blower fan system simulation
The comparison result of signal and acquisition signal simultaneously issues program command signal to frequency converter；The frequency converter is used for PLC controller
The signal of feedback is sent to air door import actuator, air door outlet actuator and variable-frequency motor；The data acquisition unit includes
Blower fan main shaft velocity sensor 4, fan inlet pressure sensor 5, fan inlet flow sensor 6 and fan outlet pressure sensing
Device 7.It is installed it should be noted that the mounting means of blower fan main shaft velocity sensor 4 can use various known method.Blower
On the ventilation shaft for the input end that inlet pressure sensor 5 and fan inlet flow sensor 6 are mounted on blower, fan outlet pressure
Force snesor 7 is mounted on the ventilation shaft of the outlet end of blower.
The control cabinet, which is equipped with expansion card, can also pass through extension for extending the memory space of blower fan control system
Card connection mobile phone, computer etc., realize online management.
The data acquisition unit further includes the axially vibration of Fan Bearing Box front axle temperature sensor 11, draught fan impeller end bearing
Dynamic sensor, draught fan impeller end bearing radial vibration sensor, Fan Bearing Box rear axle temperature sensor 12, motor end bearing axis
To vibrating sensor, motor end bearing radial vibration sensor, fan operation situation can be monitored in real time.It should be noted that described
The first half cabinet 91 of Fan Bearing Box 9 and the top of latter half cabinet 92 are respectively provided with an internal thread hole, the fan shaft
It holds case fore bearing temperature sensor 11 and Fan Bearing Box rear bearing temperature sensor 12 is mounted on fan shaft by bolt respectively
It holds on the internal thread hole of front and back two parts cabinet of case 9, the first half cabinet 91 and latter half cabinet 92 of Fan Bearing Box 9
An internal thread hole, the draught fan impeller end bearing axial vibration sensor and draught fan impeller end bearing are respectively provided on axially and radially
Radial vibration sensor pass through respectively bolt be mounted on the first half cabinet 91 of Fan Bearing Box 9 axially and radially on
On internal thread hole；The latter half cabinet 92 of Fan Bearing Box 9 axially and radially on be respectively provided with an internal thread hole, the blower
Motor end bearing axial vibration sensor and blower motor end bearing radial vibration sensor pass through bolt respectively and are mounted on blower
On the latter half cabinet 92 of bearing housing 9 axially and radially on internal thread hole on.
Alarm is additionally provided on the control cabinet, the alarm is connect with PLC controller, exceeds signal model in signal
It encloses, signal goes beyond the limit of value and system jam alarm.In system jam, blower is shown on display simultaneously
System corresponding malfunction after troubleshooting, can be resetted warning function by touch screen.
In use, operating parameter required for blower is arranged first according to live needs, as inlet pressure, inlet flow rate or
Person's outlet pressure etc..Then, data acquisition unit will collect signal and pass to PLC controller, with the parameter in PLC controller
It is compared, when the parameter in collected data and PLC controller is not met, signal is fed back to frequency conversion by PLC controller
Device (such as collected data it is higher/relatively low when, PLC controller is to frequency converter positive feedback signal or negative-feedback signal), and lead to
Frequency Converter Control motor or air door import actuator or outlet actuator are crossed, to adjust the revolving speed of electric machine main shaft, fan inlet
Pressure, fan inlet flow and/or fan outlet pressure, so that fan inlet or outlet be made to reach the shape of constant pressure or constant flow
State.
Embodiment 1 exports constant pressure experiment
As shown in Figures 2 and 3, import air register 17 and outlet tune with executing agency is respectively set in blower import and export
Air door 18, blower fan main shaft 10 are connect with variable-frequency motor 3 with belt wheel, by taking blower fan system needs to realize that outlet pressure is 4300Pa as an example
(outlet pressure PE goes outFor input value), P is set on the touchscreenE goes out=4300Pa.
Then, the outlet air register 18 for automatically adjusting blower reaches required operating point (4300Pa), then, automatically adjust into
The aperture of mouth air register 17, exit measure pressure and can change, and it is relatively low to collect pressure for fan outlet pressure sensor 7 at this time
Or higher signal, PLC controller is sent a signal to, with the parameter (P in PLC controllerE goes out=4300Pa) it is compared,
When collected data are higher/relatively low, positive feedback or negative-feedback signal are transmitted to frequency converter by PLC controller, as pressure is inclined
It is high then export 18 aperture of air register reduce or variable-frequency motor revolving speed reduce, if pressure is relatively low, export 18 aperture of air register increase or
Variable-frequency motor revolving speed increases, and system adjust automatically makes pressure return to 4300Pa and keeps stable.
The experiment of 2 import constant pressure of embodiment
As shown in Figures 2 and 3, import air register 17 and outlet tune with executing agency is respectively set in blower import and export
Air door 18, blower fan main shaft 10 are connect with variable-frequency motor 3 with belt wheel, by taking blower fan system needs to realize that inlet pressure is 4300Pa as an example
(import PCollectionFor input value), P is set on the touchscreenCollection=4300Pa.
Then, 18 standard-sized sheet of air register is exported, the aperture of automatic adjustment import air register 17 makes blower reach required operating point
(PCollection=4300Pa), then, the aperture of automatic adjustment outlet air register 18, entrance measures pressure and can change, at this point, blower
Inlet pressure sensor 5 collects the relatively low or higher signal of pressure, PLC controller is sent a signal to, in PLC controller
Parameter (PCollection=4300Pa) it is compared, when collected data are higher/relatively low, PLC controller is by positive feedback or bears anti-
Feedback signal is transmitted to frequency converter, and 17 aperture of import air register reduces if pressure is higher or variable-frequency motor revolving speed reduces, such as pressure
Relatively low, 17 aperture of import air register increases or variable-frequency motor revolving speed increases, and system adjust automatically makes import static pressure PCollectionIt returns to
4300Pa simultaneously keeps stable.
The experiment of 3 import constant flow of embodiment
As shown in Figures 2 and 3, import air register 17 and outlet tune with executing agency is respectively set in blower import and export
Air door 18, blower fan main shaft 10 are connect with variable-frequency motor 3 with belt wheel, need to realize inlet flow rate for 20000m with blower fan system3/h
For (inlet flow rate Q be input value), Q=20000m is set on the touchscreen3/h。
Then, 18 standard-sized sheet of air register is exported, the aperture of automatic adjustment import air register 17 makes blower reach required operating point
(Q=20000m3/ h), then, the aperture of automatic adjustment outlet air register 18, entrance measures flow and can change, at this point, wind
Machine inlet flow rate sensor 6 collects the relatively low or higher signal of flow, sends a signal to PLC controller, with PLC controller
Interior parameter (Q=20000m3/ h) be compared, when collected data are higher/relatively low, PLC controller by positive feedback or
Negative-feedback signal is transmitted to frequency converter, and 17 aperture of import air register reduces if flow is higher or variable-frequency motor revolving speed reduces, such as
Flow is relatively low, and 17 aperture of import air register increases or variable-frequency motor revolving speed increases, and system adjust automatically returns inlet flow rate Q
To 20000m3/ h simultaneously keeps stable.
The alarm of 4 blower of embodiment and shutdown experiment
In use, can need to be arranged the alarm parameters of blower fan system according to scene and shut down parameter, when PLC controller connects
The signal for receiving data acquisition unit, when reaching the alarm parameters set in PLC controller, alarm equipment alarm, and over the display
Show warning reason.When PLC controller receives the signal of data acquisition unit, reach the shutdown parameter set in PLC controller
When, fan parking, and show shut down reason over the display.Table 1 is air-blower control point and parameter.
It should be noted that the ventilation blower automatic running of the present embodiment controls integrated system, can also be arranged on motor stator
One or more temperature sensors.
1 air-blower control point of table and parameter
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made.These improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (4)
1. a kind of ventilation blower automatic running controls integrated system, which is characterized in that described including control cabinet and data acquisition unit
Frequency converter and PLC controller are equipped in control cabinet, the control cabinet is equipped with touch screen and display, the data acquisition unit
It is passed including blower fan main shaft velocity sensor, fan inlet pressure sensor, fan inlet flow sensor and fan outlet pressure
Sensor；
The data acquisition unit, for collected signal to be passed to PLC controller；
The PLC controller, the signal of acquisition unit for receiving data, and signal is passed into display, while will acquisition
To signal be converted in the storage unit that data are stored in PLC controller；For receiving the signal of touch screen programming, and convert
It is stored in the storage unit of PLC controller at data, as blower fan system analog signal；And for exporting blower fan system mould
The comparison result of quasi- signal and acquisition signal simultaneously gives frequency converter to issue program command signal；
The frequency converter, the signal for feeding back PLC controller be sent to air door import actuator, air door outlet actuator and
Variable-frequency motor.
2. ventilation blower automatic running as described in claim 1 controls integrated system, which is characterized in that the control cabinet is equipped with
Expansion card.
3. ventilation blower automatic running as described in claim 1 controls integrated system, which is characterized in that the data acquisition unit
It further include Fan Bearing Box front axle temperature sensor, draught fan impeller end bearing axial vibration sensor, draught fan impeller end bearing diameter
It is radial to vibrating sensor, Fan Bearing Box rear axle temperature sensor, motor end bearing axial vibration sensor, motor end bearing
Vibrating sensor.
4. ventilation blower automatic running as described in claim 1 controls integrated system, which is characterized in that also set on the control cabinet
There is alarm, the alarm is connect with PLC controller, goes beyond the limit of value and system beyond range of signal, signal in signal
Break down alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822231122.8U CN209278192U (en) | 2018-12-28 | 2018-12-28 | A kind of ventilation blower automatic running control integrated system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822231122.8U CN209278192U (en) | 2018-12-28 | 2018-12-28 | A kind of ventilation blower automatic running control integrated system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209278192U true CN209278192U (en) | 2019-08-20 |
Family
ID=67607990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822231122.8U Active CN209278192U (en) | 2018-12-28 | 2018-12-28 | A kind of ventilation blower automatic running control integrated system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209278192U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469642A (en) * | 2018-12-28 | 2019-03-15 | 上海通用风机股份有限公司 | A kind of ventilation blower automatic running control integrated system |
-
2018
- 2018-12-28 CN CN201822231122.8U patent/CN209278192U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469642A (en) * | 2018-12-28 | 2019-03-15 | 上海通用风机股份有限公司 | A kind of ventilation blower automatic running control integrated system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103133381B (en) | Ventilator automatic frequency adjustment controlling method and device thereof | |
| CN201936155U (en) | Online monitoring system for bus ventilator based on MODBUS-RTU (remote terminal unit) | |
| KR20110112427A (en) | Wind turbine for wind power generation | |
| CN104597934B (en) | A kind of transformator intelligent cooler control system and control method thereof | |
| CN109185018B (en) | Variable-frequency permanent magnet hydroelectric power generation system and control method thereof | |
| CN109586175A (en) | A kind of power distribution cabinet of fast demountable | |
| CN209278192U (en) | A kind of ventilation blower automatic running control integrated system | |
| CN104879896A (en) | Intelligent and accurate air supply system of air conditioning unit | |
| WO2012129749A1 (en) | Air volume calculation system for variable speed or constant speed fan | |
| CN206096889U (en) | High -efficient drying -machine intelligence control system | |
| CN109469642A (en) | A kind of ventilation blower automatic running control integrated system | |
| CN103970094A (en) | System for automatically controlling optimal emission and power operating state of wet dust collector | |
| CN106523297A (en) | Monitoring device of energy-saving wind generating set | |
| CN206348434U (en) | The running monitor device of unmanned plane and its motor | |
| US10865772B2 (en) | Data collection system and method for wind turbine power generation facility, and wind turbine power generation facility | |
| CN201014676Y (en) | Air conditioner cooling volume self-adaptive energy-saving controller | |
| CN213775792U (en) | Louver fan system for farm | |
| CN211345701U (en) | Air volume control device of exhaust fan of livestock house | |
| CN112431784A (en) | Louver fan system of farm and detection and prediction method thereof | |
| CN103034257B (en) | Condensate water control device of ram main shaft built-in water-cooled motor and condensate water control method of the ram main shaft built-in water-cooled motor | |
| CN210218189U (en) | Automatic speed regulation fan based on load capacity in load box | |
| CN202946424U (en) | Mine draught fan mechanical fault diagnosis device based on embedded-type data collection system | |
| CN208338103U (en) | A kind of power control cabinet with explosion prevention function | |
| CN201650736U (en) | Desulfurization tower air supply roots blower automatic control device | |
| CN207623083U (en) | A kind of environment-friendly automatic measuring device for monitoring rate pair |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |