CN203479826U - Wind direction sensor based on nine-digit Gray code disc - Google Patents
Wind direction sensor based on nine-digit Gray code disc Download PDFInfo
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- CN203479826U CN203479826U CN201320532783.9U CN201320532783U CN203479826U CN 203479826 U CN203479826 U CN 203479826U CN 201320532783 U CN201320532783 U CN 201320532783U CN 203479826 U CN203479826 U CN 203479826U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000025518 detection of mechanical stimulus involved in sensory perception of wind Effects 0.000 description 1
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Abstract
The utility model relates to the field of sensor designing, and provides a wind direction sensor based on a nine-digit Gray code disc, for solving the problem of low measuring precision of a conventional wind direction sensor using a seven-digit code disc to measure a wind direction. The wind direction sensor comprises: the nine-digit Gray code disc provided with a light transmission portion and a shading portion, a nine-digit infrared light emitting diode which is arranged at the front end of the nine-digit Gray code disc and is composed of nine parallel-connected infrared light emitting diodes correspondingly arranged at the front ends of the nine code tracks of the nine-digit Gray code disc; a nine-digit infrared receiving diode which is arranged at the rear end of the nine-digit Gray code disc and is composed of nine parallel-connected infrared receiving diodes correspondingly arranged at the rear ends of the nine code tracks of the nine-digit Gray code disc; and two Schmitt triggers connected with the nine-digit infrared receiving diode. In the utility model, the resolution of the nine-digit Gray code disc is 512 digits and the resolution degree number is o.7 degrees so that the wind direction detection precision reaches 1 degree, thus the measuring precision of the wind direction sensor is effectively improved.
Description
Technical field
The utility model relates to wind transducer design field, is specifically related to a kind of wind transducer based on nine Gray's code-discs.
Background technology
At present, the wind transducer of wind direction in measuring mainly adopts seven bit code dishes to take measurement of an angle to carry out wind direction measurement, by designing seven bit code dishes, tell wind direction, the resolution of seven bit code dishes is 128, the number of degrees of differentiating are 2.85 ° (360 °/128), and precision is 2.85 °, and this accuracy value is relatively low, do not reach resolution and be the precision of 1 °, the necessity being improved.
Utility model content
In order to solve existing employing seven bit code dishes, take measurement of an angle and carry out the low problem of measuring accuracy that the wind transducer of wind direction measurement exists, the utility model provides a kind of wind transducer based on nine Gray's code-discs.
The utility model is that the technical scheme that adopts of technical solution problem is as follows:
Wind transducer based on nine Gray's code-discs, comprising:
Nine Gray's code-discs with light transmission part and shading light part;
Nine infrarede emitting diodes that are placed on described nine Gray's code-disc front ends and formed by nine infrarede emitting diodes in parallel, described nine infrarede emitting diode correspondences are placed on nine code channel front ends of described nine Gray's code-discs;
Nine infrared receiving diodes that are placed on described nine Gray code back-end disks and formed by nine infrared receiving diodes in parallel, described nine infrared receiving diode correspondences are placed on nine code channel rear ends of described nine Gray's code-discs;
Two Schmidt triggers that are all connected with described nine infrared receiving diodes;
Described nine infrarede emitting diodes transmitting infrared ray, in infrared ray, have while inciding on nine infrared receiving diodes in infrared receiving diode by the light transmission part correspondence on nine Gray's code-discs, receive ultrared infrared receiving diode and signal is converted to low level signal sends to Schmidt trigger, Schmidt trigger converts low level signal the output of to TTL-level signal; In infrared ray, have and by the shading light part on nine Gray's code-discs, blocked and can not corresponding incide on nine infrared receiving diodes in infrared receiving diode time, do not receive ultrared infrared receiving diode and signal is converted to high level signal sends to Schmidt trigger, Schmidt trigger converts high level signal the output of to TTL-level signal.
Described nine Gray's code-discs adopt metal disk made of copper the mode by Gray code to design.
Described two Schmidt triggers all adopt CH74HC14 chip.
The beneficial effects of the utility model are: the utility model is by adopting the mode of Gray code to design nine Gray's code-discs, improved the resolution that wind direction detects, the resolution of nine Gray's code-discs is 512, the number of degrees of differentiating are 0.7 ° (360 °/512), make the accuracy of detection of wind direction reach 1 °, greatly improve the measuring accuracy of wind transducer, improved the accuracy of wind direction output; Adopt nine pairs of infrarede emitting diodes and infrared receiving diodes and coordinate nine Gray's code-discs to realize the high-acruracy survey of wind direction, nine infrarede emitting diodes adopt mode in parallel, an infrarede emitting diode breaks down and can't affect other infrarede emitting diode, has improved the accuracy of measuring.
Accompanying drawing explanation
Fig. 1 is the structural representation of the wind transducer based on nine Gray's code-discs of the present utility model;
Fig. 2 is the structural representation of nine Gray's code-discs.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, wind transducer based on nine Gray's code-discs of the present utility model, by nine infrarede emitting diodes, nine Gray's code-discs, nine infrared receiving diodes and two Schmidt triggers form, nine infrarede emitting diodes are comprised of nine infrarede emitting diodes in parallel, nine infrarede emitting diodes are corresponding nine code channel front ends that are placed on nine Gray's code-discs respectively, nine infrared receiving diodes are comprised of nine infrared receiving diodes in parallel, nine infrared receiving diode correspondences are placed on nine code channel rear ends of nine Gray's code-discs, as shown in Figure 2, nine Gray's code-discs adopt the mode of Gray code to design, improve the accuracy of wind direction output signal, on nine Gray's code-discs, be provided with light transmission part and shading light part, the part of white is light transmission part, the part of black is shading light part, when nine Gray's code-disc box haul indicateing arms rotate, corresponding light transmission part is different with the state that shading light part receives nine infrared receiving diodes, the output of wind direction output signal is also different, nine infrared receiving diodes are connected by cable with two Schmidt triggers respectively.
Each infrarede emitting diode in nine infrarede emitting diodes is all launched infrared ray, have nine bundle infrared rays, in nine bundle infrared rays, have while inciding on nine infrared receiving diodes in infrared receiving diode by the light transmission part correspondence on nine Gray's code-discs, receiving ultrared infrared receiving diode is converted to low level signal by signal and sends to Schmidt trigger, Schmidt trigger converts low level signal to TTL-level signal output, for other receiving equipments collections and; In nine bundle infrared rays, have and by the shading light part on nine Gray's code-discs, blocked and can not corresponding incide on nine infrared receiving diodes in infrared receiving diode time, not receiving ultrared infrared receiving diode is converted to high level signal by signal and sends to Schmidt trigger, Schmidt trigger converts high level signal to TTL-level signal output, for other receiving equipments collections and.When nine Gray's code-disc box haul indicateing arms rotate, certain in nine infrared receiving diodes is several can receive infrared ray, other do not receive infrared ray, nine output signals corresponding to infrared receiving diode have high level signal also to have low level signal, one has 512 kinds of states, by gathering nine wind direction output signals, just can measure wind direction, reach resolution and be the precision of 1 °.
In present embodiment, because the wind direction output signal of exporting is nine, therefore adopt two Schmidt triggers to receive nine wind direction output signals, meet output requirement.
In present embodiment, nine Gray's code-discs adopt metal disk made of copper, and disk is processed according to the structure of nine Gray's code-discs.
In present embodiment, two Schmidt triggers all adopt CH74HC14 chip, and the waveform of output is square wave, reduce the interference of extraneous other signals to wind direction output signal.
Claims (3)
1. the wind transducer based on nine Gray's code-discs, is characterized in that, comprising:
Nine Gray's code-discs with light transmission part and shading light part;
Nine infrarede emitting diodes that are placed on described nine Gray's code-disc front ends and formed by nine infrarede emitting diodes in parallel, described nine infrarede emitting diode correspondences are placed on nine code channel front ends of described nine Gray's code-discs;
Nine infrared receiving diodes that are placed on described nine Gray code back-end disks and formed by nine infrared receiving diodes in parallel, described nine infrared receiving diode correspondences are placed on nine code channel rear ends of described nine Gray's code-discs;
Two Schmidt triggers that are all connected with described nine infrared receiving diodes;
Described nine infrarede emitting diodes transmitting infrared ray, in infrared ray, have while inciding on nine infrared receiving diodes in infrared receiving diode by the light transmission part correspondence on nine Gray's code-discs, receive ultrared infrared receiving diode and signal is converted to low level signal sends to Schmidt trigger, Schmidt trigger converts low level signal the output of to TTL-level signal; In infrared ray, have and by the shading light part on nine Gray's code-discs, blocked and can not corresponding incide on nine infrared receiving diodes in infrared receiving diode time, do not receive ultrared infrared receiving diode and signal is converted to high level signal sends to Schmidt trigger, Schmidt trigger converts high level signal the output of to TTL-level signal.
2. the wind transducer based on nine Gray's code-discs according to claim 1, is characterized in that, described nine Gray's code-discs adopt metal disk made of copper the mode by Gray code to design.
3. the wind transducer based on nine Gray's code-discs according to claim 1, is characterized in that, described two Schmidt triggers all adopt CH74HC14 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320532783.9U CN203479826U (en) | 2013-08-29 | 2013-08-29 | Wind direction sensor based on nine-digit Gray code disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320532783.9U CN203479826U (en) | 2013-08-29 | 2013-08-29 | Wind direction sensor based on nine-digit Gray code disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203479826U true CN203479826U (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320532783.9U Expired - Fee Related CN203479826U (en) | 2013-08-29 | 2013-08-29 | Wind direction sensor based on nine-digit Gray code disc |
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| Country | Link |
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| CN (1) | CN203479826U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106841677A (en) * | 2017-03-23 | 2017-06-13 | 山东省科学院海洋仪器仪表研究所 | A kind of cursor type photoelectricity wind direction coder |
-
2013
- 2013-08-29 CN CN201320532783.9U patent/CN203479826U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106841677A (en) * | 2017-03-23 | 2017-06-13 | 山东省科学院海洋仪器仪表研究所 | A kind of cursor type photoelectricity wind direction coder |
| CN106841677B (en) * | 2017-03-23 | 2019-04-23 | 山东省科学院海洋仪器仪表研究所 | A kind of cursor type photoelectricity wind direction coder |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 |