CN201748931U - Photosensitive angle sensor - Google Patents
Photosensitive angle sensor Download PDFInfo
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- CN201748931U CN201748931U CN2010201878222U CN201020187822U CN201748931U CN 201748931 U CN201748931 U CN 201748931U CN 2010201878222 U CN2010201878222 U CN 2010201878222U CN 201020187822 U CN201020187822 U CN 201020187822U CN 201748931 U CN201748931 U CN 201748931U
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Abstract
The utility model relates to a photosensitive angle sensor relating to angle sensors. The existing angle sensing problems are as follows: the device is not specially designed for angle sensing, the linearity of numerical value variation is imperfect, and 360-degree numerical value variation can not be sent. The photosensitive angle sensor can conduct 360-degree all-round detection and directly send angle information of the numerical code. The photosensitive angle sensor consists of an illuminator, a photoreceptor, a marker, a transmission mechanism, an information circuit, a connecting rod and a shell, wherein the surface of each marking tray is proportionally arrayed with strip-shaped digital identifiers which are arrayed to compose the marker digital identifier integrally representing degree, minute and second; at least one photoreceptor is fixed above the marker digital identifier and connected with the acknowledge circuit of the information circuit; and a sending circuit of the information circuit is connected with an interface.
Description
Technical field:
The utility model relates to sensing device, particularly a kind of angle level sensor.
Background technology:
Position, angle sensing can be finished with a lot of modes, as potentiometer, Hall element, variable condenser or the like, basic form is with link gear these devices and detected object to be rotated synchronously, these devices send the numerical value change of oneself, and the data single-chip microcomputer that sends according to these devices can obtain position, angle information through calculating.Problem is: 1, and signal is the conversion that needs of simulation.2, these devices are not to be that position, angle sensing designs specially, and the linearity of numerical value change is imperfect.3, position, angle sensing needs the comprehensive detection of 360 degree, and these devices all have the border, can not send the numerical value change of 360 degree.
Summary of the invention:
The purpose of this utility model is to make a kind of comprehensive detections that can 360 degree, directly sends the photosensitive angle level sensor of position, the angle information of number.
The utility model is achieved in that photosensitive angle level sensor is made up of illuminator, photoreceptor, concentrator marker, gear train, information circuit, connecting rod and shell, illuminator, photoreceptor, concentrator marker, gear train, information circuit are in the enclosure, connecting rod and interface expose on shell, connecting rod is connected with the transmission shaft of gear train on shell, and transmission shaft is connected with drive station.
Concentrator marker is arranged by a plurality of cylindric sign dishes and is formed, the surperficial numeral identification one by one of arranging of each sign dish proportionally, numeral identification is rearranged by sign hole more than, each bar digit code sign is represented a numerical value, the angular unit of the numeral identification representative of a sign dish is consistent, Baidu's sign dish of representing Baidu is arranged, the ten scale knowledge dishes of representing ten degree are arranged, the individual scale knowledge dish that a representative degree is arranged, the calibration sign dish of representing calibration is arranged, the scale knowledge second dish of representing degree second is arranged, and various sign dishes are lined up and are formed complete representative degree, divide, the concentrator marker numeral identification of second and check code.
Each sign dish all is connected with a drive station of gear train, and the ratio of gear of each drive station is inequality.
Photoreceptor is rearranged by the sensitivity speck that is no less than, there is the photoreceptor that is no less than to be fixed on the top of concentrator marker numeral identification, illuminator is in the inside of each sign dish, the electronic component of the integrated circuit of information circuit, interface, resistance capacitance, transistor, power interface etc. is welded on the circuit board, form and accept circuit, decoding circuit, counting circuit, transtation mission circuit, photoreceptor is connected with the circuit of accepting of information circuit, and the transtation mission circuit of information circuit is connected with interface.
The rotating speed of the sign dish that wherein, angular unit is little is greater than the big sign dish of angular unit.
Wherein, the sign hole have sealing with two kinds that open.
Wherein, the orientation in sign hole is consistent with the direction in concentrator marker axle center.
Wherein, the quantity in the sign hole of each bar digit code sign of a sign dish is the same, and the position is identical.
Wherein, the length of photoreceptor is greater than the length of concentrator marker numeral identification.
Wherein, the position of sensitivity speck is corresponding with the position in sign hole.
Wherein, numeral identification comprises position, angle information and check information.
The utility model uses very directly perceived and convenient, is applicable to various angular range requirements.
Description of drawings:
Accompanying drawing 1 is: circuit diagram.
Accompanying drawing 2 is: diagrammatic cross-section.
10: concentrator marker, 11: the sign dish, 12: Baidu's sign dish, 13: ten scale knowledge dishes, 14: individual scale knowledge dish, 15: calibration sign dish, 16: second scale knowledge dish, 17: the concentrator marker axle center, 18: the concentrator marker numeral identification,
20: numeral identification, 21: the sign hole, 22: blind hole, 23: open hole, 24: illuminator, 25: photoreceptor, 26: sensitivity speck, 27: power supply,
30: gear train, 31: transmission shaft, 32: drive station, 33: connecting rod,
40: information circuit: 41: electronic component, 42: circuit board, 43: scope indication button, 44: button is set, 45: determine button,
50: shell, 51: scope indication point, 52: interface.
Embodiment:
With reference to Fig. 1, accompanying drawing 1 is: sensor side-looking diagrammatic cross-section.
Illuminator 24, photoreceptor 25, concentrator marker 10, gear train 30, information circuit 40 are in shell 50, and connecting rod 33 and interface 52 expose on shell 50, and connecting rod 33 is connected with the transmission shaft 31 of gear train 30 on shell 50.
Transmission shaft 31 is followed rotation when connecting rod 33 rotates, the rotation of transmission shaft 31 drives each drive station 32 of gear train 30 and rotates, the rotating ratio of each drive station 32 is different, is different so be connected the velocity of rotation of each sign dish 11 of each drive station 32.
Concentrator marker 10 is arranged by a plurality of cylindric sign dishes 11 and is formed, the surperficial numeral identification 20 one by one of arranging of each sign dish 11 proportionally, numeral identification 20 is rearranged by sign hole 21 more than, the quantity in the sign hole 21 of each bar digit code sign 20 of a sign dish 11 is the same, the position is identical, and the orientation in sign hole 21 is consistent with the direction in concentrator marker axle center 17.
Sign hole 21 have sealing with two kinds that open, every bar digit code sign 20 is represented a numerical value by the combination in the sealing and the digital hole 21 of opening.The angular unit of numeral identification 20 representatives of a sign dish 11 is consistent, Baidu's sign dish 12 of representing Baidu is arranged, ten scale knowledge dishes 13, individual scale knowledge dish 14 that a representative degree is arranged of representing ten degree arranged, the calibration sign dish 15 of represent calibration is arranged, second scale knowledge dish 16 of representing degree second, various sign dishes 11 the line up complete representative degree of composition, the concentrator marker numeral identification 18 of minute, second are arranged.If the surface at concentrator marker 10 is provided with straight line along axis direction, just can intercept the angle bit-identify information of a complete degree, minute, second.The concrete classification of sign dish 11 can be grasped flexibly according to accuracy requirement, also can for two kinds such as a calibration and branch.
Each sign dish 11 all is connected with a drive station 32 of gear train 30, and the ratio of gear of drive station 32 is inequality.By drive station 32 driven rotary of different rotating speeds, in proportion set respectively by the speed that each sign dish 11 rotates for each sign dish 11, reduces for precision improves error, and the rotating speed of the sign dish 11 that angular unit is little is greater than the big sign dish 11 of angular unit.The rotating speed of calibration sign dish 15 is greater than individual scale knowledge dish 14, and the rotating speed of second scale knowledge dish 16 is greater than calibration sign dish 15, by that analogy.
For example: when ten scale knowledge dishes, 13 rotations, one bar digit code identified 20, individual scale knowledge dish 14 rotated 3 numeral identifications 20, and calibration sign dish 15 rotates 9 numeral identifications 20, second 27 numeral identifications 20 of a scale knowledge dish 16 rotations.Concrete ratio can be set according to accuracy requirement.The speed that each sign dish 11 rotates is set in proportion, and the big more precision of rotating speed is high more.
Each photoreceptor 25 is rearranged by the sensitivity speck 26 that is no less than, the length of photoreceptor 25 is greater than the length of concentrator marker numeral identification 18, the direction that photoreceptor 25 is arranged is consistent with the direction in concentrator marker axle center 17, and the position of sensitivity speck 26 is corresponding with the position in sign hole 21.
Illuminator 24 has the photoreceptor 25 that is no less than to be fixed on the top of concentrator marker numeral identification 18 in the inside of each sign dish 11, and each photoreceptor 25 all can obtain the angle bit-identify information and the checking mark information of a complete degree, minute, second.
The electronic component 41 of the integrated circuit of information circuit 40, interface, resistance capacitance, transistor, power interface etc. is welded on the circuit board 42, form and accept circuit, decoding circuit, counting circuit, transtation mission circuit, photoreceptor 25 is connected with the circuit of accepting of information circuit 40, and the transtation mission circuit of information circuit 40 is connected with interface 52.
Complete concentrator marker numeral identification 18 information that photoreceptor 25 will receive send to information circuit 40, and information circuit 40 just can directly be calculated the angle of departure position number of degrees exactly.
With reference to Fig. 2, accompanying drawing 2 is block diagrams of position, angle information acquisition.
Before system works, need to carry out the operation of a correction and location.
The purpose of proofreading and correct is to obtain the numerical value of the numeral identification of zero-bit position,
The purpose of location is to obtain the scope of detection angles, is beneficial to information circuit 40 and applies mechanically the angle that optimum program is extrapolated any detected concentrator marker numeral identification 18 correspondences rapidly and accurately.
The operation of proofreading and correct is performed such: the rotation of detected object must be that the rotation with connecting rod 33 is synchronous, when detected object the time in the zero degree position, press definite button 45 of lower sensor, the numerical value of the recognizer numeral identification 18 that photoreceptor 25 reads at this moment is benchmark numerical value, and information circuit 40 is with the basis of this numerical value as reckoning.
The operation of location is performed such: the scope of activities of selecting the detected object maximum, as about 35 the degree, 45 the degree, 60 the degree, 120 the degree, 180 the degree, 360 the degree etc. scope of activities, in selected scope of activities absolute value maximum, press the numerical value of the concentrator marker numeral identification 18 when determining that button 45 obtains this respectively, information circuit 40 will be applied mechanically optimized running program and calculate.
Concrete information acquisition process as shown in Figure 2.
Claims (8)
1. photosensitive angle level sensor is made up of illuminator (24), photoreceptor (25), concentrator marker (10), gear train (30), information circuit (40), connecting rod (33) and shell (50), illuminator (24), photoreceptor (25), concentrator marker (10), gear train (30), information circuit (40) are in shell (50), connecting rod (33) and interface (52) expose on shell (50), connecting rod (33) is gone up at shell (50) and is connected with the transmission shaft (31) of gear train (30), and (32 are connected transmission shaft (31) with drive station;
It is characterized in that: concentrator marker (10) is arranged by a plurality of cylindric sign dishes (11) and is formed, the surperficial numeral identification (20) one by one of arranging of each sign dish (11) proportionally, numeral identification (20) rearranges by identifying hole (21) more than one, each bar digit code sign (20) is represented a numerical value, the angular unit of numeral identification (20) representative of a sign dish (10) is consistent, Baidu's sign dish (12) of representing Baidu is arranged, the ten scale knowledge dishes (13) of representing ten degree are arranged, the individual scale knowledge dish (14) that a representative degree is arranged, the calibration sign dish (15) of representing calibration is arranged, the second scale knowledge dish (16) of representing degree second is arranged, and various sign dishes (11) are lined up and are formed complete representative degree, divide, the concentrator marker numeral identification (18) of second and check code;
Each sign dish (11) all is connected with a drive station (32) of gear train (30), and the ratio of gear of each drive station (32) is inequality;
Photoreceptor (25) is rearranged by the sensitivity speck (26) that is no less than, there is the photoreceptor (25) that is no less than to be fixed on the top of concentrator marker numeral identification (18), illuminator (24) is in the inside of each sign dish (11), the integrated circuit of information circuit (40), interface, resistance capacitance, transistor, the electronic component of power interface etc. (41) is welded on the circuit board (42), form and accept circuit, decoding circuit, counting circuit, transtation mission circuit, photoreceptor (25) is connected with the circuit of accepting of information circuit (40), and the transtation mission circuit of information circuit (40) is connected with interface (52).
2. photosensitive angle according to claim 1 level sensor is characterized in that: the rotating speed of the sign dish (11) that angular unit is little is greater than the big sign dish (11) of angular unit.
3. photosensitive angle according to claim 1 level sensor is characterized in that: sign hole (21) have sealing with two kinds that open.
4. photosensitive angle according to claim 1 level sensor is characterized in that: the orientation in sign hole (21) is consistent with the direction of concentrator marker axle center (17).
5. photosensitive angle according to claim 1 level sensor is characterized in that: the quantity in the sign hole (21) of each bar digit code sign (20) of a sign dish (11) is the same, and the position is identical.
6. photosensitive angle according to claim 1 level sensor is characterized in that: the length of photoreceptor (25) is greater than the length of concentrator marker numeral identification (18).
7. photosensitive angle according to claim 1 level sensor is characterized in that: the position of sensitivity speck (26) is corresponding with the position in sign hole (21).
8. photosensitive angle according to claim 1 level sensor is characterized in that: numeral identification (20) comprises position, angle information and check information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201878222U CN201748931U (en) | 2010-05-10 | 2010-05-10 | Photosensitive angle sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201878222U CN201748931U (en) | 2010-05-10 | 2010-05-10 | Photosensitive angle sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201748931U true CN201748931U (en) | 2011-02-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201878222U Expired - Fee Related CN201748931U (en) | 2010-05-10 | 2010-05-10 | Photosensitive angle sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201748931U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102243082A (en) * | 2010-05-10 | 2011-11-16 | 上海宏曲电子科技有限公司 | Photosensitive angular position sensor |
-
2010
- 2010-05-10 CN CN2010201878222U patent/CN201748931U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102243082A (en) * | 2010-05-10 | 2011-11-16 | 上海宏曲电子科技有限公司 | Photosensitive angular position sensor |
| CN102243082B (en) * | 2010-05-10 | 2015-05-20 | 上海宏曲电子科技有限公司 | Photosensitive angular position sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110216 Termination date: 20130510 |