CN101638974B - Rolling blind position detection method and sensing device for electric rolling blind drive controller - Google Patents
Rolling blind position detection method and sensing device for electric rolling blind drive controller Download PDFInfo
- Publication number
- CN101638974B CN101638974B CN2008101262576A CN200810126257A CN101638974B CN 101638974 B CN101638974 B CN 101638974B CN 2008101262576 A CN2008101262576 A CN 2008101262576A CN 200810126257 A CN200810126257 A CN 200810126257A CN 101638974 B CN101638974 B CN 101638974B
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- optocoupler
- annulus
- reflecting disc
- reflective areas
- roller shutter
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D1/00—Measuring arrangements giving results other than momentary value of variable, of general application
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D15/00—Component parts of recorders for measuring arrangements not specially adapted for a specific variable
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/68—Operating devices or mechanisms, e.g. with electric drive
- E06B2009/6809—Control
- E06B2009/6818—Control using sensors
- E06B2009/6845—Control using sensors sensing position
Abstract
The invention relates to a rolling blind position detection method and a sensing device for an electric rolling blind drive controller. The device is provided with an optocoupler reflecting disc capable of rotating together with a rolling blind rotating shaft; an annular area of the optocoupler reflecting disc is provided with a plurality of reflective areas circumferentially equidistantly distributed; an optocoupler fixed on the lateral part of the optocoupler reflecting disc receives a light reflected signal transmitted by the reflective areas of the annular area, and calculates the rotating number of turns of the optocoupler reflecting disc according to the number of received signals; and a controller calculates the position of the rolling blind by measuring the rotating number of turns of the optocoupler reflecting disc. The method and the device can flexibly acquire information on the rotating number of turns and the rotation direction of the reflecting disc by the optocoupler according to the arrangement of the reflective areas on the optocoupler reflecting disc to further calculate the position of the rolling blind; besides, the device has the advantages of simple structure, few used components, small occupied space and high sensing precision.
Description
Technical field
The invention belongs to a kind of driving control device that opens and closes shade, be specifically related to a kind of roller shutter method for detecting position and sensing device of electric rolling driving governor.
Background technology
Light-shading curtains such as electric coiling formula shutter, roller shutter or thin slice curtain normally twist on the Roller for roller blind, and the belt that is twisted on the tape handler by driving governor control motor-driven drives the spool rotation, realizes opening or putting down of light-shading curtain.In the process of motorized motions control rolling curtain opening-closing, only mostly be now standard-sized sheet, full-shut position as controlling target, but in actual use, often need the control roller shutter different switching degree to be arranged to control different ventilations and illumination, this just need the capable measurement to the real time position of roller shutter, reaching standard-sized sheet, the full cut-off that accurately to control roller shutter, and can open and close purpose in various degree.And because the electric rolling driver will be installed in the shelter usually, according to designing requirement, occupation space is very limited, so can not increase more detection part, requires the volume of checkout gear as far as possible little.
Summary of the invention
The technical problem to be solved in the present invention provide a kind of simple in structure, take up room little, and can accurately measure the roller shutter method for detecting position and the sensing device of the electric coiling formula window-blind of roller shutter position.
The inventive method comprises following content:
1, the optocoupler reflecting disc that can rotate with Roller for roller blind is set;
2, one first annulus is set at least on the optocoupler reflecting disc, some circumferential reflective areas that equidistantly distribute are set in this annulus;
3, receive the light reflected signal that the first annulus reflective areas is sent with being fixed on, calculate the rotation number of turns of optocoupler reflecting disc according to the number of received signal with the optocoupler at the relative position of optocoupler reflecting disc;
4, calculate the position of roller shutter by the rotation number of turns of measuring the optocoupler reflecting disc.
The further scheme of the inventive method is: with a certain permanent position of roller shutter serves as with reference to the position, with the optocoupler reflecting disc relatively in the rotation process of this reference position pairing roller shutter position data exist in the controller in advance, when controller obtain the optocoupler reflecting disc relative to this reference position rotate the number of turns after, calculate the current position of roller shutter.
The further again scheme of the inventive method is:
Second annulus different with the first annulus radius is set on the optocoupler reflecting disc, some reflective areas are set in this annulus, receive the light reflected signal that the second annulus reflective areas is sent by being fixed on the optocoupler at the relative position of optocoupler reflecting disc, the phase difference between the light reflected signal that receives from the optocoupler reflecting disc according to optocoupler is judged the rotation direction of optocoupler reflecting disc.
The another scheme of the inventive method is:
One the 3rd annulus is set on the optocoupler reflecting disc, a discontinuous reflective areas is set in this annulus, receive the light reflected signal that the 3rd annulus reflective areas is sent by being fixed on the optocoupler at the relative position of optocoupler reflecting disc, the signal that this reflective areas is sent encloses count signal as putting in order, and the number of signals that other annulus obtains is proofreaied and correct with it, promptly controller receives reflection light pulse number of signals that other annulus sends with the quantity of the reflective areas of these annuluses setting when unequal between two whole circle count signals, and the signal that these annuluses are sent carries out the adjustment of data.
Sensing device structure of the present invention is: be provided with Roller for roller blind the optocoupler reflecting disc (6) that is in transmission connection, can plays rotation with one, at least be provided with one first annulus (61) on the optocoupler reflecting disc, in this annulus, be provided with some circumferential equally distributed reflective areas (6a), be fixed with first optocoupler (IR1) facing to reflecting disc first annulus at the position relative with the optocoupler reflecting disc, first optocoupler is connected with the controller input with tally function, and controller output end connects motor by Drive and Control Circuit.
The further scheme of apparatus of the present invention is: be provided with second annulus (62) different with the first annulus radius on the optocoupler reflecting disc, be provided with some reflective areas (6b) in second annulus, be fixed with second optocoupler (IR2) that faces toward second annulus at the position relative with the optocoupler reflecting disc, second optocoupler is connected with the controller input with tally function.
Further scheme is again: be provided with three annulus (63) different with the first annulus radius, be provided with discontinuous, as to be used for a whole circle counting reflective areas (6C) in the 3rd annulus, be fixed with the 3rd optocoupler (IR3) at the position relative facing to reflecting disc the 3rd annulus with the optocoupler reflecting disc.
Described optocoupler is meant the device with light emission, light-receiving, photoelectric converting function.
Operating principle of the present invention is: the optocoupler reflecting disc is with the rotating speed identical with Curtain roller or the rotational speed of same ratio, when each reflective areas on the reflecting disc is passed through the optocoupler corresponding with it, promptly can give an one light reflected signal, optocoupler becomes pulse electrical signal with this signal and is input to the controller with tally function, when the light reflected impulse number of signals that receives first annulus reaches the reflective areas number N of this annulus setting, judge that promptly the optocoupler reflecting disc has rotated a circle, remainder n more than the N integral multiple then can count the n/N circle, the reflective areas quantity that annulus is provided with is many more, the precision of measuring is high more, precision can reach the 1/N circle, according to the rotation number of turns of optocoupler reflecting disc, can calculate the position of roller shutter.
Can serve as with reference to position (contract fully or open entirely etc.) for example with a certain permanent position of roller shutter, with the optocoupler reflecting disc relatively the moving all pairing roller shutter position datas of this reference position revolution exist in the controller in advance, like this when controller obtain as stated above the optocoupler reflecting disc relative to this reference position rotate the number of turns after, can calculate the current location of roller shutter, and send drive control signal to motor in view of the above.
The further scheme of the present invention is provided with second annulus, can be convenient to phase difference between the light reflected signal that the controller utilization receives from the optocoupler reflecting disc like this and judge the rotation direction of optocoupler reflecting disc, the count signal that also can utilize this circle to send simultaneously improves certainty of measurement.
The reflective areas that the further again scheme of the present invention is provided with at the 3rd annulus, can be used for doing integer circle counting, whenever obtain the heliogram that one the 3rd annulus sends, can judge that reflecting disc has rotated a circle, controller can utilize this signal as whole circle count signal.
The present invention can be by in one or more annuluses of optocoupler optical reflective disk, the layout of reflective areas is set on quantity and the phase place as required flexibly, utilize optocoupler to obtain number of signals and/or the phase place that reflective areas sends and judge the number of turns and the rotation direction that reflecting disc rotates, and then calculate the position at roller shutter place, the present invention has, and components and parts simple in structure, that use are few, it is little to take up room, the advantage that sensing accuracy is high.
Description of drawings
Fig. 1, the embodiment of the invention 1 are contained in the structural representation on the roller shutter drive unit
Fig. 2, the embodiment of the invention 1 optocoupler reflecting disc, 6 structures and optocoupler relative position schematic diagram (be directly perceived the expression, 90 degree have outwards been changeed in circuit board 5 left sides that this figure is equipped with optocoupler)
The A of Fig. 3, Fig. 1 embodiment 1 optocoupler reflecting plate 6 and photoelectric coupled circuit plate 5 is to structural representation
Fig. 4, the pulse signal schematic diagram that IR1, IR2, IR3 send when clockwise rotating
Fig. 5, the pulse signal schematic diagram that IR1, IR2, IR3 send when rotating counterclockwise
Fig. 6, the embodiment of the invention 1 circuit diagram
Fig. 7, the embodiment of the invention 2 optocoupler reflecting discs and optocoupler distributed architecture schematic diagram
1-casing 2-motor 3-gearbox 4-take-up spool 5-photoelectric coupled circuit plate 6-optocoupler reflecting disc 7-ring gear 8-belt 9-directive wheel 10-driving governor
The specific embodiment
Fig. 1 is that this example is contained in the structural representation on the roller shutter drive unit.
On the ring gear 7 that is in transmission connection with Roller for roller blind, be provided with can coaxial synchronous rotation with it optocoupler reflecting disc 6, the optocoupler reflecting disc is provided with three different annuluses of radius, outside in be first annulus 61, second annulus 62, the 3rd annulus 63 successively, be respectively equipped with circumferential 6 reflective areas 6a, 6b that equidistantly distribute in first and second annulus, the 3rd annulus is provided with a reflective areas 6c.
Reflective areas is silvery white, and other position is a black, and in the optocoupler reflecting disc rotation process, optocoupler runs into argenteous reflective areas promptly can produce a high level, and the extinction district that to run into non-reflective areas one be black promptly can produce a low level.
Be provided with optocoupler reflecting disc 6 relative positions be fixed on the photoelectric coupled circuit plate 5, respectively facing to first, second and third optocoupler IR1, IR2, the IR3 of three annuluses on the optocoupler reflecting disc, three optocouplers are being projected on the same radius on the dish of penetrating of optocoupler.
The reflective areas 6b of the reflective areas 6a of first annulus and second annulus is the fan section that central angle is 30 degree, and they partially overlap in circumferential 15 angles that differ.
1, controller can judge that the optocoupler reflecting disc be just to change or reverse according to the phase place of the signal that receives from two annuluses, referring to Fig. 4, Fig. 5 is respectively the positive hour hands of reflecting disc and three pulse signal figure that optocoupler sends when counterclockwise rotating, can find out from these two figure, when the reflective areas pulse signal of first and second annulus all is in a high position, if the second annulus pulse reduces earlier, just can be judged as is to turn clockwise, if the first annulus pulse reduces earlier, can be judged as is counterclockwise to change.
It is multiple to judge that by the phase place of received signal the method for optocoupler reflecting disc rotation direction can have, and the advantage of said method is to accomplish that each step pitch can both detect the rotation direction of optocoupler reflecting disc, improves and detects accuracy.
2, also can improve and measure the precision that reflecting disc rotates the number of turns, if when single 6 reflective areas with first annulus are measured the rotation number of turns of optical reflective disks, certainty of measurement is 1/6, and the setting when pressing this example second annulus reflective areas can make precision bring up to 1/12.
Generally, when first and second annulus is respectively equipped with in circumferential even distribution, reflective areas that quantity is identical, and reflective areas is a half of reflective areas central angle with the central angle phase difference identical, every group of corresponding reflective areas of first and second annulus of non-reflective areas, and the promptly comparable accuracy of detection that an annulus is set improves.
The 3rd annulus 6c be provided with one overlap with first and second annulus reflective areas, central angle is the fan-shaped reflective areas 6c of 15 degree.
Whenever obtain the heliogram that one the 3rd annulus sends, can judge that reflecting disc has rotated a circle, controller can utilize this signal as whole circle count signal, cooperate the signal that sends with other annulus as metering signal again less than a circle, the also available whole circle count signal of controller is proofreaied and correct the number of signals that other annulus obtains simultaneously, promptly controller receives reflection light pulse number of signals that other annulus sends with the quantity of the reflective areas of these annuluses setting when unequal between two whole circle count signals, the signal that these annuluses are sent carries out the adjustment of data: the signal that will lose mend into, (interference) signal that maybe will have more is removed, in case form the bigger accumulation of error after the moving multi-turn of spline.
This routine optocoupler IR1, IR2, IR3 adopt the infrared optocoupler of the ITR8307/718/F43 of Ricoh.
Fig. 6 is an embodiment of the invention circuit diagram: three optocoupler IR1, IR2, IR3 (the U3 in the circuit diagram, U4, U5) optical signal becomes behind the signal of telecommunication respectively through Q4, Q5, Q6 is input to 14 of controller W79E825W chip after amplifying, 16,17 pin, and by 1,19,20 pin output control signal, the control utmost point of thyristor Q1 in 1 pin and ground connection one lateral circuit that is serially connected in drive motors M current supply circuit is connected, the break-make of control motor, 19,20 pin respectively with switch control valve Q2, the Q3 base stage connects, by relay J 1, the commutator K1 of J2, the rotating of K2 control motor.
As different from Example 1: the corresponding reflective areas of first and second annulus is on same radius on this routine optocoupler reflecting disc, it is the circumferential angle that do not stagger, for the light reflected signal that different optocouplers the are received angle that staggers, to judge the rotation direction of reflecting disc, the first optocoupler IR1 that this example is corresponding with first and second annulus respectively and the second optocoupler IR2 have a phase difference circumferential, stagger 15 the degree angles, utilize the pulse signal phase difference of this two optocouplers generation, can judge the positive and reverse return veer of reflecting disc equally.
Essence of the present invention is reflective areas to be set on the optocoupler reflecting disc and to receive the light reflected signal that rotation optocoupler reflecting disc sends with optocoupler, by the quantity of obtaining signal, the rotation number of turns and the rotation direction information that phase difference obtains reflecting disc, and then obtaining the position of the roller shutter that is in transmission connection with the optocoupler reflecting disc, the layout of reflective areas can change as required flexibly.This example has been enumerated the example that one, two, three annulus is set, and also more annulus can be set as required.
The above; it only is preferred embodiment of the present invention; be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs to the protection domain of technical solution of the present invention to any simple modification, equivalent variations and modification that above embodiment did.
Claims (11)
1. the roller shutter method for detecting position of electric rolling driving governor is characterized in that, comprises following content:
(1), the optocoupler reflecting disc that can rotate with Roller for roller blind is set;
(2), one first annulus is set on the optocoupler reflecting disc at least, some circumferential reflective areas that equidistantly distribute are set in this annulus;
(3), receive the light reflected signal that the first annulus reflective areas is sent with being fixed on, calculate the rotation number of turns of optocoupler reflecting disc according to the number of received signal with the optocoupler at the relative position of optocoupler reflecting disc;
(4), calculate the position of roller shutter by the rotation number of turns of measuring the optocoupler reflecting disc;
In the detection, with a certain permanent position of roller shutter serves as with reference to the position, with the optocoupler reflecting disc relatively in the rotation process of this reference position pairing roller shutter position data exist in advance in the controller, when controller obtain the optocoupler reflecting disc relative to should reference rotate the number of turns after, calculate the current position of roller shutter.
2. the roller shutter method for detecting position of electric rolling driving governor according to claim 1, it is characterized in that: second annulus different with the first annulus radius is set on the optocoupler reflecting disc, some reflective areas are set in this annulus, receive the light reflected signal that the second annulus reflective areas is sent by being fixed on the optocoupler at the relative position of optocoupler reflecting disc, the phase difference between the light reflected signal that receives from the optocoupler reflecting disc according to optocoupler is judged the rotation direction of optocoupler reflecting disc.
3. the roller shutter method for detecting position of electric rolling driving governor according to claim 1, it is characterized in that: one the 3rd annulus is set on the optocoupler reflecting disc, a discontinuous reflective areas is set in this annulus, receive the light reflected signal that the 3rd annulus reflective areas is sent by being fixed on the optocoupler at the relative position of optocoupler reflecting disc, the signal that this reflective areas is sent encloses count signal as putting in order.
4. the roller shutter method for detecting position of electric rolling driving governor according to claim 3, it is characterized in that: the number of signals that other annulus obtains is proofreaied and correct with whole circle count signal, promptly controller receives reflection light pulse number of signals that other annulus sends with the quantity of the reflective areas of these annuluses setting when unequal between two of the 3rd annulus whole circle count signals, and the signal that these annuluses are sent carries out the adjustment of data.
5. the roller shutter position sensing device of electric rolling driving governor, it is characterized in that: be provided with Roller for roller blind and be in transmission connection, can play the optocoupler reflecting disc (6) of rotation with one, at least be provided with one first annulus (61) on the optocoupler reflecting disc, in this annulus, be provided with some circumferential equally distributed reflective areas (6a), be fixed with first optocoupler (IR1) facing to reflecting disc first annulus at the position relative with the optocoupler reflecting disc, first optocoupler is connected with the controller input with tally function, and controller output end connects motor by Drive and Control Circuit.
6. the roller shutter position sensing device of electric rolling driving governor according to claim 5, it is characterized in that: on the optocoupler reflecting disc, be provided with second annulus (62) different with the first annulus radius, be provided with some reflective areas (6b) in second annulus, be fixed with second optocoupler (IR2) that faces toward second annulus at the position relative with the optocoupler reflecting disc, second optocoupler is connected with the controller input with tally function.
7. the roller shutter position sensing device of electric rolling driving governor according to claim 6 is characterized in that: be provided with circumferential even distribution in described second annulus: with the identical reflective areas (6b) of reflective areas (6a) quantity in first annulus.
8. the roller shutter position sensing device of electric rolling driving governor according to claim 7, it is characterized in that: reflective areas (6b) in second annulus and the reflective areas (6a) in first annulus are in the circumferential angle that staggers, and the subregion coincidence, first optocoupler (IR1) and second optocoupler (IR2) are being projected on the same radius on the optocoupler reflecting disc.
9. the roller shutter position sensing device of electric rolling driving governor according to claim 8, it is characterized in that: the reflective areas of described first annulus and second annulus is identical with the central angle of non-reflective areas, and the phase difference of every group of corresponding reflective areas of first and second annulus is the reflective areas central angle half.
10. the roller shutter position sensing device of electric rolling driving governor according to claim 7, it is characterized in that: the corresponding reflective areas of first and second annulus is on same radius on the optocoupler reflecting disc, and corresponding with first and second annulus respectively first optocoupler (IR1) and second optocoupler (IR2) are in the circumferential angle that staggers.
11. roller shutter position sensing device according to the described electric rolling driving governor of the arbitrary claim of claim 5-10, it is characterized in that: be provided with one the 3rd annulus (63), be provided with discontinuous, as to be used for a whole circle counting reflective areas (6C) in the 3rd annulus, be fixed with the 3rd optocoupler (IR3) at the position relative facing to reflecting disc the 3rd annulus with the optocoupler reflecting disc.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101262576A CN101638974B (en) | 2008-07-28 | 2008-07-28 | Rolling blind position detection method and sensing device for electric rolling blind drive controller |
| DE102009019549.1A DE102009019549B4 (en) | 2008-07-28 | 2009-04-30 | Test method and sensor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101262576A CN101638974B (en) | 2008-07-28 | 2008-07-28 | Rolling blind position detection method and sensing device for electric rolling blind drive controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101638974A CN101638974A (en) | 2010-02-03 |
| CN101638974B true CN101638974B (en) | 2011-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101262576A Active CN101638974B (en) | 2008-07-28 | 2008-07-28 | Rolling blind position detection method and sensing device for electric rolling blind drive controller |
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| Country | Link |
|---|---|
| CN (1) | CN101638974B (en) |
| DE (1) | DE102009019549B4 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563197A (en) * | 2012-03-05 | 2012-07-11 | 浙江康泰电气有限公司 | Constant-temperature automatic control method and device for central heating flow valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102645233B (en) * | 2012-04-27 | 2015-04-01 | 宁波杜亚机电技术有限公司 | Rotation detection device of motor |
| CN102998480A (en) * | 2012-12-21 | 2013-03-27 | 中核（天津）机械有限公司 | Motor steering measuring device |
| CN107800247B (en) * | 2017-10-13 | 2024-01-09 | 宁波先锋新材料股份有限公司 | Tubular motor and control method |
| CN108895988B (en) * | 2018-07-13 | 2020-07-24 | 重庆理工大学 | Angular displacement measurement system based on complete-circle sealing of alternating light field |
| CN111587715B (en) * | 2020-06-24 | 2022-02-11 | 西藏大学 | Remote control curtain rolling machine and control method thereof |
| CN114220348B (en) * | 2021-12-17 | 2023-08-08 | 湖北长江新型显示产业创新中心有限公司 | Display device |
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| CN102563197B (en) * | 2012-03-05 | 2013-08-07 | 浙江康泰电气有限公司 | Constant-temperature automatic control method and device for central heating flow valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101638974A (en) | 2010-02-03 |
| DE102009019549A1 (en) | 2010-08-05 |
| DE102009019549B4 (en) | 2022-12-29 |
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