CN105628950A - Fan rotation speed detection system - Google Patents
Fan rotation speed detection system Download PDFInfo
- Publication number
- CN105628950A CN105628950A CN201510970452.7A CN201510970452A CN105628950A CN 105628950 A CN105628950 A CN 105628950A CN 201510970452 A CN201510970452 A CN 201510970452A CN 105628950 A CN105628950 A CN 105628950A
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- CN
- China
- Prior art keywords
- zigzag
- fan
- detection switch
- plc
- photoelectric detection
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- 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.)
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Links
- 238000001514 detection method Methods 0.000 title claims abstract description 54
- 238000009434 installation Methods 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 description 11
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/36—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a fan rotation speed detection system, which comprises at least one serrated cutting sheet, a photoelectric detection switch, a PLC and an upper computer, wherein the serrated cutting sheet is fixedly mounted with the fan shaft of the fan; the photoelectric detection switch is fixedly mounted with a fixing frame and located on a rotation path of the serrated cutting sheet; the photoelectric detection switch is connected with the PLC; and the upper computer is connected with the PLC. Beams of the photoelectric detection switch can be cut by the serrated cutting sheet rotating along with the fan shaft; when the beams of the photoelectric detection switch are cut by the serrated cutting sheet, pulse signals are outputted to the PLC, the PLC acquires the pulse signals outputted by the photoelectric detection switch, the pulse signal number acquired in a preset time is divided by the preset time to obtain the rotation speed of the fan, and the rotation speed of the fan is sent to the upper computer. The fan rotation speed detection system provided by the invention can realize automatic detection on the rotation speed of the fan.
Description
Technical field
The application relates to blower fan field, particularly to a kind of rotation speed of fan detection system.
Background technology
At present the detection of rotation speed of fan is generally on fan shaft and pastes a reflective sheeting, staff use hand-held speed instrument alignment reflective sheeting, on tachymeter, then read rotation speed of fan numerical value, it is achieved the detection to rotation speed of fan. Visible, at present to the detection process of rotation speed of fan needing rely on staff, it is impossible to realize the automatic detection to rotation speed of fan.
Summary of the invention
For solving above-mentioned technical problem, the embodiment of the present application provides a kind of rotation speed of fan detection system, and to reach automatically to detect the purpose of rotation speed of fan, technical scheme is as follows:
A kind of rotation speed of fan detection system, including: at least one zigzag section, photoelectric detection switch, programmable logic controller (PLC) PLC and host computer;
The fan shaft that described zigzag is cut into slices with blower fan fixedly mounts;
Described photoelectric detection switch and fixed mount fixed installation, and it is positioned on the rotation path of described zigzag section;
Described photoelectric detection switch is connected with described PLC, and described host computer is connected with described PLC;
The zigzag section cutting that the light beam of described photoelectric detection switch can be rotated with described fan shaft, and the light beam of described photoelectric detection switch by the section cutting of described zigzag time, output pulse signal is described PLC extremely, described PLC gathers the pulse signal of described photoelectric detection switch output, and by the pulse number that gathers in Preset Time divided by described Preset Time, obtain the rotating speed of described blower fan, the rotating speed of described blower fan is sent to described host computer.
Preferably, described zigzag section particularly as follows:
Hacksaw dentation is cut into slices.
Preferably, described zigzag section particularly as follows:
Ferrum zigzag is cut into slices.
Preferably, described zigzag section particularly as follows:
Aluminum zigzag is cut into slices.
Preferably, described zigzag section particularly as follows:
Aluminium alloy zigzag is cut into slices.
Preferably, the RS485 interface of described PLC is connected with the RS485 interface of described host computer.
Compared with prior art, the having the beneficial effect that of the application
In this application, zigzag section and fan shaft fixed installation, can rotate with fan shaft and rotate, and with in fan shaft rotation process, cutting is positioned at the light beam of photoelectric detection switch on zigzag section rotation path, and when making the light beam of photoelectric detection switch cut, output pulse signal is to PLC, by PLC acquisition pulse signal and calculate rotation speed of fan, staff is needed not rely on, it is achieved that the automatic detection to rotation speed of fan in the detection process of rotation speed of fan.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in the embodiment of the present application, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the application, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of logical structure schematic diagram of the rotation speed of fan detection system that the application provides;
Fig. 2 is that the zigzag that the application provides is cut into slices and the one of photoelectric detection switch installs test figure;
Fig. 3 is that the zigzag that the application provides is cut into slices and the one of photoelectric detection switch installs top view;
Fig. 4 is that the zigzag that the application provides is cut into slices and the another kind of photoelectric detection switch installs test figure;
Fig. 5 is that the zigzag that the application provides is cut into slices and the another kind of photoelectric detection switch installs test figure.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described embodiment is only some embodiments of the present application, rather than whole embodiments. Based on the embodiment in the application, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of the application protection.
In this application, provide a kind of rotation speed of fan detection system, refer to Fig. 1 to Fig. 5, rotation speed of fan detection system includes: at least one zigzag section 11, photoelectric detection switch 12, PLC13 (programmable logic controller (PLC), ProgrammableLogicController) 13 and host computer 14.
Zigzag section 11 fixedly mounts with the fan shaft A of blower fan.
Photoelectric detection switch 12 and fixed mount S fixed installation, and be positioned on the rotation path of zigzag section 11.
Photoelectric detection switch 12 is connected with PLC13, and host computer 14 is connected with PLC13.
The light beam of described photoelectric detection switch 12 can by with the described fan shaft A zigzag rotated section 11 cutting, and the light beam of described photoelectric detection switch 12 by described zigzag cut into slices 11 cutting time, output pulse signal is described PLC13 extremely, described PLC13 gathers the pulse signal of described photoelectric detection switch 12 output, and by the pulse number that gathers in Preset Time divided by described Preset Time, obtain the rotating speed of described blower fan, the rotating speed of described blower fan is sent to described host computer 14.
The rotating speed of described blower fan is displayed by host computer 14, very intuitively.
In this application, above-mentioned Preset Time specifically can but be not limited to 10 seconds.
In this application, zigzag section 11 and fan shaft A fixed installation, can rotate with fan shaft A and rotate, and with in fan shaft A rotation process, cutting is positioned at zigzag and cuts into slices the light beam of the photoelectric detection switch 12 on 11 rotation paths, and when making the light beam of photoelectric detection switch 12 cut, output pulse signal is to PLC13, by PLC13 acquisition pulse signal and calculate rotation speed of fan, staff is needed not rely on, it is achieved that the automatic detection to rotation speed of fan in the detection process of rotation speed of fan.
In this application, rotation speed of fan detection system can include 2 zigzag sections 11, as shown in Figure 4, include 2 zigzags cut into slices 11 time, PLC13 is when calculating rotation speed of fan, it is specially the pulse number that gathers in Preset Time divided by described Preset Time again divided by 2, obtains the rotating speed of blower fan.
In this application, rotation speed of fan detection system can include 4 zigzag sections 11, as shown in Figure 5, include 4 zigzags cut into slices 11 time, PLC13 is when calculating rotation speed of fan, it is specially the pulse number that gathers in Preset Time divided by described Preset Time again divided by 4, obtains the rotating speed of blower fan.
In this application, zigzag section 11 specifically can but be not limited to hacksaw dentation section 11.
In this application, zigzag section 11 specifically can but be not limited to ferrum zigzag section 11.
In this application, zigzag section 11 specifically can but be not limited to aluminum zigzag section 11.
In this application, zigzag section 11 specifically can but be not limited to aluminium alloy zigzag section 11.
In this application, the specific implementation that PLC13 is connected with host computer 14 is: the RS485 interface of PLC13 is connected with the RS485 interface of host computer 14. It is mutual that PLC13 and host computer 14 carry out information by RS485 communication modes.
It should be noted that, in this article, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, so that include the process of a series of key element, method, article or equipment not only include those key elements, but also include other key elements being not expressly set out, or also include the key element intrinsic for this process, method, article or equipment. When there is no more restriction, statement " including ... " key element limited, it is not excluded that there is also other identical element in including the process of described key element, method, article or equipment.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention. The multiple amendment of these embodiments is apparent from for those skilled in the art, and generic principles defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments. Therefore, the present invention is not intended to be limited to the embodiments shown herein, and is to fit to the widest range consistent with principles disclosed herein and features of novelty.
Claims (6)
1. a rotation speed of fan detection system, it is characterised in that including: at least one zigzag section, photoelectric detection switch, programmable logic controller (PLC) PLC and host computer;
The fan shaft that described zigzag is cut into slices with blower fan fixedly mounts;
Described photoelectric detection switch and fixed mount fixed installation, and it is positioned on the rotation path of described zigzag section;
Described photoelectric detection switch is connected with described PLC, and described host computer is connected with described PLC;
The zigzag section cutting that the light beam of described photoelectric detection switch can be rotated with described fan shaft, and the light beam of described photoelectric detection switch by the section cutting of described zigzag time, output pulse signal is described PLC extremely, described PLC gathers the pulse signal of described photoelectric detection switch output, and by the pulse number that gathers in Preset Time divided by described Preset Time, obtain the rotating speed of described blower fan, the rotating speed of described blower fan is sent to described host computer.
2. system according to claim 1, it is characterised in that the section of described zigzag is particularly as follows: hacksaw dentation is cut into slices.
3. system according to claim 1, it is characterised in that the section of described zigzag is particularly as follows: ferrum zigzag is cut into slices.
4. system according to claim 1, it is characterised in that the section of described zigzag is particularly as follows: aluminum zigzag is cut into slices.
5. system according to claim 1, it is characterised in that the section of described zigzag is particularly as follows: aluminium alloy zigzag is cut into slices.
6. system according to claim 1, it is characterised in that the RS485 interface of described PLC is connected with the RS485 interface of described host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510970452.7A CN105628950A (en) | 2015-12-22 | 2015-12-22 | Fan rotation speed detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510970452.7A CN105628950A (en) | 2015-12-22 | 2015-12-22 | Fan rotation speed detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105628950A true CN105628950A (en) | 2016-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510970452.7A Pending CN105628950A (en) | 2015-12-22 | 2015-12-22 | Fan rotation speed detection system |
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| CN (1) | CN105628950A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004053535A (en) * | 2002-07-23 | 2004-02-19 | Masayuki Hattori | Rotational speed of rotating body detecting system and method, rotation control system and image forming apparatus |
| CN201110860Y (en) * | 2007-12-25 | 2008-09-03 | 长沙南车电气设备有限公司 | High speed photoelectric rotating speed sensor |
| CN201307120Y (en) * | 2008-08-29 | 2009-09-09 | 温州鸿腾汽车电器有限公司 | Two-signal optical grating type revolution speed transducer |
| CN201926668U (en) * | 2011-01-07 | 2011-08-10 | 新疆八一钢铁股份有限公司 | Pulse rotating speed detecting device |
| CN202770850U (en) * | 2012-03-29 | 2013-03-06 | 陈海伟 | Photoelectric geminate transistor digital rotational speed meter provided with scanning-type fan-blades |
-
2015
- 2015-12-22 CN CN201510970452.7A patent/CN105628950A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004053535A (en) * | 2002-07-23 | 2004-02-19 | Masayuki Hattori | Rotational speed of rotating body detecting system and method, rotation control system and image forming apparatus |
| CN201110860Y (en) * | 2007-12-25 | 2008-09-03 | 长沙南车电气设备有限公司 | High speed photoelectric rotating speed sensor |
| CN201307120Y (en) * | 2008-08-29 | 2009-09-09 | 温州鸿腾汽车电器有限公司 | Two-signal optical grating type revolution speed transducer |
| CN201926668U (en) * | 2011-01-07 | 2011-08-10 | 新疆八一钢铁股份有限公司 | Pulse rotating speed detecting device |
| CN202770850U (en) * | 2012-03-29 | 2013-03-06 | 陈海伟 | Photoelectric geminate transistor digital rotational speed meter provided with scanning-type fan-blades |
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Application publication date: 20160601 |
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