CN105277350A - Fan performance monitoring experiment device - Google Patents
Fan performance monitoring experiment device Download PDFInfo
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- CN105277350A CN105277350A CN201510707473.XA CN201510707473A CN105277350A CN 105277350 A CN105277350 A CN 105277350A CN 201510707473 A CN201510707473 A CN 201510707473A CN 105277350 A CN105277350 A CN 105277350A
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- plc control
- fan
- performance monitoring
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Abstract
The invention discloses a fan performance monitoring experiment device which comprises a PLC control device, a drive motor, a fan and a pipeline. An output shaft of the drive motor is connected with a torque sensor. The torque sensor is electrically connected with the PLC control device through a wire. An output shaft of the torque sensor is rotationally connected with the fan through a coupling. The fan and the pipeline are fixedly connected through a bolt and a thread. A pressure transmitter, a differential pressure transmitter and a flow regulator are electrically connected with the PLC control device. According to the fan performance monitoring experiment device provided by the invention, through a fast and accurate computer and real-time parameter acquisition of software, the parameters of instruments in the on-site PLC control device are acquired to a host computer, and at the same time the on-site operation state can be fed back to the instruments in the PLC control device; and state monitoring is carried out through a real-time fed back screen.
Description
Technical field
The invention belongs to fan performance detection technique field, be specifically related to a kind of fan performance monitoring experiment device.
Background technology
The work of blower fan embodies with feed flow, generation total head, power demand and efficiency, corresponding relation is there is between these running parameters, when flow and rotation speed change, other parameters can be caused to change accordingly, because the mobility status of gas in blower fan is very complicated, operating condition according to specific time and site all changes, guarantee that blower fan runs in higher efficiency range, just must understand fan performance Changing Pattern, in order to selecting properly, use blower fan, the mutual relationship between fan performance parameter must be understood.Because blower fan theory still owes perfect, so far so the acquisition of fan performance parameter depends on performance test.Therefore, need monitor the properties of blower fan in input actual production process, blower fan further studied by the data of monitoring and designs.
Summary of the invention
The object of the present invention is to provide a kind of fan performance monitoring experiment device, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme: a kind of fan performance monitoring experiment device, comprise PLC control device, drive motor, blower fan and pipeline, described drive motor is electrically connected by wire and PLC control device, the output shaft of described drive motor is connected with torque sensor, described torque sensor is electrically connected by wire and PLC control device, the output shaft of described torque sensor is rotationally connected by shaft coupling and blower fan, described blower fan is fixedly connected with screw thread by bolt with pipeline, the surface of described pipeline is from left to right provided with pressure unit successively, pressure difference transmitter and flow regulator, described pressure unit, pressure difference transmitter and flow regulator are all electrically connected with PLC control device.
Preferably, the left side of described PLC control device is provided with wireless controller, and described wireless controller is connected with computing machine or mobile phone.
Preferably, the right side of described drive motor is provided with frequency converter, and described frequency converter and PLC control device are electrically connected.
Preferably, described flow regulator is provided with flowmeter.
Preferably, the lower end of described pipeline is also provided with temperature sensor, and described temperature sensor and PLC control device are electrically connected.
Preferably, the top of described PLC control device is provided with alarm.
Technique effect of the present invention and advantage: this fan performance monitoring experiment device, its drive motor adopts brushless permanent magnet electromotor, there are facility and have the advantages such as efficient, energy-conservation, performance is good, it is little to vibrate, noise is low, the life-span is long, reliability is high, easy to maintenance, starting moment is large, be applicable to the power source that high precision fan performance detects, its torque sensor adopts JN338A type rotating detector, and input adopts digital processing technology, has that precision is high, good stability, anti-interference strong and torque measurement precision and a feature such as rotational speed, direction have nothing to do, the fan performance monitoring experiment device of the present invention's design utilizes the quick of computing machine, accurately and the feature of software Real-time Collection parameter the parameter acquisition of instrument in on-the-spot PLC control device in host computer, simultaneously again can in instrument in the feedback of status of execute-in-place to PLC control device, then condition monitoring is carried out by Real-time Feedback picture, the operating mode achieving fan performance test regulates the pressure of blower fan automatically, power, flow, rotating speed, the isoparametric automatic collection of temperature and data storing calculate the total head of blower fan, flow, efficiency factor etc., therefore, can make the properties of blower fan real-time feed back to host computer.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1PLC control device, 2 drive motor, 3 frequency converters, 4 torque sensors, 5 blower fans, 6 pipelines, 7 pressure units, 8 pressure difference transmitters, 9 flow regulators, 10 flowmeters, 11 temperature sensors, 12 wireless controllers, 13 alarms.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The invention provides a kind of fan performance monitoring experiment device as shown in Figure 1, comprise PLC control device 1, drive motor 2, blower fan 5 and pipeline 6, the left side of described PLC control device 1 is provided with wireless controller 12, described wireless controller 12 is connected with computing machine or mobile phone, the top of described PLC control device 1 is provided with alarm 13, described drive motor 2 is electrically connected by wire and PLC control device 1, the right side of described drive motor 2 is provided with frequency converter 3, described frequency converter 3 is electrically connected with PLC control device 1, the output shaft of described drive motor 2 is connected with torque sensor 4, described torque sensor 4 is electrically connected by wire and PLC control device 1, the output shaft of described torque sensor 4 is rotationally connected by shaft coupling and blower fan 5, described blower fan 5 is fixedly connected with screw thread by bolt with pipeline 6, the surface of described pipeline 6 is from left to right provided with pressure unit 7 successively, pressure difference transmitter 8 and flow regulator 9, described pressure unit 7, pressure difference transmitter 8 and flow regulator 9 are all electrically connected with PLC control device 1, described flow regulator 9 is provided with flowmeter 10.
Principle of work: this device adopts calibrated wrench method to measure power, and frequency converter 3 changes blower fan 5 rotating speed, flow regulator control flow check gauge regulates the methods such as operating mode to carry out the test of blower fan Gas Escaping Property.Static pressure signal in pressure unit 7 and pressure difference transmitter 8 points of collection pipelines 6 and pressure difference signal, torque signal between blower fan 5 and drive motor 2 is converted to voltage signal by torque sensor 4, these collection signals deliver to computing machine or mobile phone by the wireless controller 12 of PLC control device 1, computer software according to formulae discovery blower fan 5 flow, static pressure, total head, power and efficiency.Install flow regulator 9 in the exit of pipeline 6, flow regulator realizes safe spacing by travel switch, realizes the closed loop adjustment of damper positions.
Last it is noted that the foregoing is only the preferred embodiments of the present invention; be not limited to the present invention; although with reference to previous embodiment to invention has been detailed description; for a person skilled in the art; it still can be modified to the technical scheme described in foregoing embodiments; or equivalent replacement is carried out to wherein portion of techniques feature; within the spirit and principles in the present invention all; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a fan performance monitoring experiment device, comprise PLC control device (1), drive motor (2), blower fan (5) and pipeline (6), described drive motor (2) is electrically connected by wire and PLC control device (1), it is characterized in that: the output shaft of described drive motor (2) is connected with torque sensor (4), described torque sensor (4) is electrically connected by wire and PLC control device (1), the output shaft of described torque sensor (4) is rotationally connected by shaft coupling and blower fan (5), described blower fan (5) is fixedly connected with screw thread by bolt with pipeline (6), the surface of described pipeline (6) is from left to right provided with pressure unit (7) successively, pressure difference transmitter (8) and flow regulator (9), described pressure unit (7), pressure difference transmitter (8) and flow regulator (9) are all electrically connected with PLC control device (1).
2. a kind of fan performance monitoring experiment device according to claim 1, it is characterized in that: the left side of described PLC control device (1) is provided with wireless controller (12), and described wireless controller (12) is connected with computing machine or mobile phone.
3. a kind of fan performance monitoring experiment device according to claim 1, it is characterized in that: the right side of described drive motor (2) is provided with frequency converter (3), described frequency converter (3) and PLC control device (1) are electrically connected.
4. a kind of fan performance monitoring experiment device according to claim 1, is characterized in that: described flow regulator (9) is provided with flowmeter (10).
5. a kind of fan performance monitoring experiment device according to claim 1, it is characterized in that: the lower end of described pipeline (6) is also provided with temperature sensor (11), described temperature sensor (11) and PLC control device (1) are electrically connected.
6. a kind of fan performance monitoring experiment device according to claim 1, is characterized in that: the top of described PLC control device (1) is provided with alarm (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510707473.XA CN105277350A (en) | 2015-10-27 | 2015-10-27 | Fan performance monitoring experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510707473.XA CN105277350A (en) | 2015-10-27 | 2015-10-27 | Fan performance monitoring experiment device |
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| CN105277350A true CN105277350A (en) | 2016-01-27 |
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| CN201510707473.XA Pending CN105277350A (en) | 2015-10-27 | 2015-10-27 | Fan performance monitoring experiment device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153128A (en) * | 2016-03-24 | 2016-11-23 | 李建锋 | Compressor flow based on gas temperature rise and efficiency measurement instrument |
| CN106323659A (en) * | 2016-08-24 | 2017-01-11 | 厦门元谷信息科技有限公司 | Method for determining operation states of drawing fan and purifier, and oil smoke monitoring system |
| CN106523419A (en) * | 2016-12-30 | 2017-03-22 | 河南森源重工有限公司 | Performance examination equipment for cleaning sweeper centrifugal ventilator and examination method |
| CN106762772A (en) * | 2017-02-17 | 2017-05-31 | 株洲联诚集团有限责任公司 | A kind of real-time measurement apparatus of blower fan torque |
| CN108131294A (en) * | 2017-12-21 | 2018-06-08 | 武汉格瑞拓机械有限公司 | A kind of air blower intelligent test system and test method based on PLC |
| CN109707659A (en) * | 2019-02-28 | 2019-05-03 | 上海电力学院 | A kind of fan online performance monitoring system and monitoring method |
| CN110374905A (en) * | 2019-06-17 | 2019-10-25 | 南京理工大学 | A kind of performance testing device of centrifugal impeller |
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| CN106153128A (en) * | 2016-03-24 | 2016-11-23 | 李建锋 | Compressor flow based on gas temperature rise and efficiency measurement instrument |
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| CN109707659A (en) * | 2019-02-28 | 2019-05-03 | 上海电力学院 | A kind of fan online performance monitoring system and monitoring method |
| CN109707659B (en) * | 2019-02-28 | 2020-05-08 | 上海电力学院 | A fan online performance monitoring system |
| CN110374905A (en) * | 2019-06-17 | 2019-10-25 | 南京理工大学 | A kind of performance testing device of centrifugal impeller |
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Application publication date: 20160127 |
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