CN106370204A - Method for detecting rotating speed of spinning top - Google Patents
Method for detecting rotating speed of spinning top Download PDFInfo
- Publication number
- CN106370204A CN106370204A CN201610965201.4A CN201610965201A CN106370204A CN 106370204 A CN106370204 A CN 106370204A CN 201610965201 A CN201610965201 A CN 201610965201A CN 106370204 A CN106370204 A CN 106370204A
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- China
- Prior art keywords
- light
- spinning top
- chip
- receiving chip
- rotating speed
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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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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
- G01C25/005—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass initial alignment, calibration or starting-up of inertial devices
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The invention discloses a method for detecting rotating speed of a spinning top. According to the method, the peripheral surface of a spinning top is divided into two areas, one area is coated with light absorption paint, the other are is coated with reflecting paint, a light emitting chip and a light receiving chip are arranged on the periphery of the spinning top, light emitted by the light emitting chip can directly irradiate onto the peripheral surface of the spinning top, the light receiving chip is positioned outside an irradiation area of the light emitting chip, the light emitted by the light emitting chip can be reflected onto the light receiving chip by the peripheral surface of the spinning top, the light receiving chip is electrically connected with a processing circuit, output signals of the processing circuit are continuously sampled when the spinning top rotates, and the rotating speed of the spinning top can be calculated according to alternate frequencies of high level signals and low level signals in sampling results. The method has the advantages of simple hardware structure, small volume, high anti-interference capability and accurate and reliable measuring results.
Description
Technical field
The present invention relates to a kind of gyroscope speed e measurement technology, more particularly, to a kind of spinning top Rotating speed measring method.
Background technology
In Mechanical course and navigation system, it is usually mounted with all kinds of machinery gyroscope devices, and mechanical spinning top
Rotary speed information be the foundation of other beginning parameter transform model and benchmark data in control system.With automatically controlling, automatic detection
With developing rapidly of information technology, the accuracy of detection to spinning top rotating speed and the requirement of reliability increasingly come high.
In prior art, the method for gyroscope speed detection can be roughly divided into contact type measurement and non-contact measurement two
Kind.Close when opening when contact rotating speed measurement method is due to signal generator, easily wear and tear in contact, operating frequency is low, range of application
Less, it is not suitable for the higher application places of rotating speed.Non-contact type tachometric measuring method is divided into magneto-electric to measure, and hall sensing is surveyed
Amount and photoelectric measurement.Magneto-electric measurement is not suitable for measuring at a high speed, and anti-electromagnetic wave interference performance is poor.Hall sensing measurement application is wide
General, can be used for high-revolving measurement, but use when mounting magnetic steel will be coordinated to carry out it is possible to electronic system introduce interference or
Produce drift, and its output signal needs to coordinate amplifying circuit, shaping circuit and compensation circuit to be exported, structure is more complicated.
Photoelectric measurement high precision, reliability are high, and wherein transmission type photoelectric measurement needs to coordinate light lattice disk to be used, and to installation accuracy
Require higher, using inconvenience；In addition, in preceding method, being required to carry out shaping filter process to output signal.
Content of the invention
For the problem in background technology, the present invention proposes a kind of spinning top Rotating speed measring method, and its innovation is:
Described spinning top Rotating speed measring method includes:
Along spinning top circumference, the peripheral surface of spinning top is divided into two regions, the area equation in two regions, wherein
Coat light absorption paint on one region, reflecting coating is coated on another region；The luminous core of setting one around spinning top
Piece and a light-receiving chip, the relative position of spinning top, luminescence chip and light-receiving chip three meets following condition: luminous
The light that chip sends can shine directly in the peripheral surface of spinning top, and light-receiving chip is located at the irradiated region of luminescence chip
Overseas, the light that luminescence chip sends can be reflexed on light-receiving chip by the peripheral surface of spinning top；
Light-receiving chip and process circuit electrical connection；When spinning top rotates, if light-receiving chip receives optical signal, place
Reason circuit can export high level signal, if light-receiving chip does not receive optical signal, process circuit can export low level signal；Rotation
In gyro rotary course, continuous sampling is carried out to the output signal of process circuit；According to level signal high and low in sampled result
Alternating frequency can calculate the rotating speed of spinning top.
The principle of the present invention is: when spinning top high-speed rotation, two in spinning top peripheral surface region also with
Rotation, when be coated with the region of light absorption paint and luminescence chip relative to when, the light that luminescence chip sends cannot be reflected to
On light-receiving chip, process circuit just exports low level signal, when be coated with the region of reflecting coating and luminescence chip relative to when,
The light that luminescence chip sends just can be reflected on light-receiving chip, and process circuit just exports high level signal, to process circuit
After output signal carries out sampling processing, just rotation top can be calculated according to the alternating frequency of level signal high and low in sampled result
The rotating speed of spiral shell, the hardware unit structure of the present invention is simple, compact, easy to operate, do not need additional amplification shaping filter electricity
Road, certainty of measurement are higher, capacity of resisting disturbance is stronger.
In prior art, spinning top be possible to be closed in housing it is also possible to exposed outside, for spinning top
Exposed situation, the natural light of external environment condition may interfere to light-receiving chip, therefore, present invention is alternatively directed to this
Situation proposes following preferred version: the illuminating part surface of described luminescence chip and the light accepting part surface of light-receiving chip are all covered
It is stamped optical filtering glue, described optical filtering glue can filter visible ray；Described luminescence chip can send non-visible light.Effect in optical filtering glue
Under, just can be prevented effectively from natural light and test effect is interfered.The epoxy resin that described optical filtering glue employing can filter.
Preferably, described non-visible light is infrared light or ultraviolet light.
The method have the benefit that: propose a kind of spinning top Rotating speed measring method, the hardware knot of the method
Structure is simple, compact, and strong antijamming capability, measurement result are accurately reliable.
Brief description
Fig. 1, the structural representation of the present invention；
Title corresponding to each labelling of in figure be respectively as follows: spinning top 1, luminescence chip 2, light-receiving chip 3, process circuit 4,
Optical filtering glue 5, light absorption paint layer 6, reflecting coating layer 7.
Specific embodiment
A kind of spinning top Rotating speed measring method, its innovation is: described spinning top Rotating speed measring method includes:
Along spinning top 1 circumference, the peripheral surface of spinning top 1 is divided into two regions, the area equation in two regions, at it
In coat light absorption paint on a region, reflecting coating is coated on another region；Around spinning top 1, setting one lights
Chip 2 and a light-receiving chip 3, the relative position of spinning top 1, luminescence chip 2 and light-receiving chip 3 three meets following bar
Part: the light that luminescence chip 2 sends can shine directly in the peripheral surface of spinning top 1, light-receiving chip 3 is located at luminous core
Outside the irradiation area of piece 2, the light that luminescence chip 2 sends can be reflexed to light-receiving chip 3 by the peripheral surface of spinning top 1
On；
Light-receiving chip 3 is electrically connected with a process circuit 4；When spinning top 1 rotates, if light-receiving chip 3 receives light letter
Number, process circuit 4 can export high level signal, if light-receiving chip 3 does not receive optical signal, process circuit 4 can export low level
Signal；In spinning top 1 rotary course, continuous sampling is carried out to the output signal of process circuit 4；According to high in sampled result,
The alternating frequency of low level signal can calculate the rotating speed of spinning top 1.
Further, the illuminating part surface of described luminescence chip 2 and the light accepting part surface of light-receiving chip 3 are all covered with filtering
Optical cement, described optical filtering glue can filter visible ray；Described luminescence chip 2 can send non-visible light.
Further, described non-visible light is infrared light or ultraviolet light.
Claims (3)
1. a kind of spinning top Rotating speed measring method it is characterised in that: described spinning top Rotating speed measring method includes:
Along spinning top (1) circumference, the peripheral surface of spinning top (1) is divided into two regions, the area equation in two regions,
Coat light absorption paint on a region wherein, reflecting coating is coated on another region；Arrange around spinning top (1)
One luminescence chip (2) and a light-receiving chip (3), the phase of spinning top (1), luminescence chip (2) and light-receiving chip (3) three
Position is met with following condition: the light that luminescence chip (2) sends can shine directly in the peripheral surface of spinning top (1),
Light-receiving chip (3) is located at outside the irradiation area of luminescence chip (2), and the light that luminescence chip (2) sends can be by spinning top (1)
Peripheral surface reflex on light-receiving chip (3)；
Light-receiving chip (3) is electrically connected with a process circuit (4)；When spinning top (1) rotates, if light-receiving chip (3)
Receive optical signal, process circuit (4) can export high level signal, if light-receiving chip (3) does not receive optical signal, process circuit
(4) low level signal can be exported；In spinning top (1) rotary course, the output signal of process circuit (4) is continuously adopted
Sample；The rotating speed of spinning top (1) can be calculated according to the alternating frequency of level signal high and low in sampled result.
2. spinning top Rotating speed measring method according to claim 1 it is characterised in that: described luminescence chip (2) send out
The light accepting part surface of light portion surface and light-receiving chip (3) is all covered with optical filtering glue, and described optical filtering glue can filter visible ray；Described
Luminescence chip (2) can send non-visible light.
3. spinning top Rotating speed measring method according to claim 2 it is characterised in that: described non-visible light be infrared light
Or ultraviolet light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610965201.4A CN106370204A (en) | 2016-10-28 | 2016-10-28 | Method for detecting rotating speed of spinning top |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610965201.4A CN106370204A (en) | 2016-10-28 | 2016-10-28 | Method for detecting rotating speed of spinning top |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106370204A true CN106370204A (en) | 2017-02-01 |
Family
ID=57892822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610965201.4A Pending CN106370204A (en) | 2016-10-28 | 2016-10-28 | Method for detecting rotating speed of spinning top |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106370204A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109059998A (en) * | 2018-08-16 | 2018-12-21 | 湖南袁禾农业科技有限公司 | It is a kind of to measure the device for radiating wave source flicker frequency, method |
| CN109724936A (en) * | 2019-02-21 | 2019-05-07 | 福州普贝斯智能科技有限公司 | A kind of water quality spectroanalysis instrument |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202093036U (en) * | 2011-06-17 | 2011-12-28 | 武汉钢铁(集团)公司 | Reflecting key-phase device used for infrared photoelectric measurement of rotating speed of rotating shaft |
| CN202599966U (en) * | 2012-05-08 | 2012-12-12 | 北京东方计量测试研究所 | Remote laser measurement device of rotating speed of rotary objects |
| CN104931720A (en) * | 2015-06-25 | 2015-09-23 | 张卫忠 | Photoelectric conversion device and motor rotational speed measuring device comprising same |
| CN204694724U (en) * | 2015-03-31 | 2015-10-07 | 株式会社多美 | Rotational rate gyroscope pick-up unit |
-
2016
- 2016-10-28 CN CN201610965201.4A patent/CN106370204A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202093036U (en) * | 2011-06-17 | 2011-12-28 | 武汉钢铁(集团)公司 | Reflecting key-phase device used for infrared photoelectric measurement of rotating speed of rotating shaft |
| CN202599966U (en) * | 2012-05-08 | 2012-12-12 | 北京东方计量测试研究所 | Remote laser measurement device of rotating speed of rotary objects |
| CN204694724U (en) * | 2015-03-31 | 2015-10-07 | 株式会社多美 | Rotational rate gyroscope pick-up unit |
| CN104931720A (en) * | 2015-06-25 | 2015-09-23 | 张卫忠 | Photoelectric conversion device and motor rotational speed measuring device comprising same |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109059998A (en) * | 2018-08-16 | 2018-12-21 | 湖南袁禾农业科技有限公司 | It is a kind of to measure the device for radiating wave source flicker frequency, method |
| CN109059998B (en) * | 2018-08-16 | 2020-11-06 | 湖南袁禾农业科技有限公司 | Device for measuring scintillation frequency of radiation wave source |
| CN109724936A (en) * | 2019-02-21 | 2019-05-07 | 福州普贝斯智能科技有限公司 | A kind of water quality spectroanalysis instrument |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170201 |
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| RJ01 | Rejection of invention patent application after publication |