CN101271656A - Painting canvas travel range metering installation for rolling picture-changing lamp box - Google Patents
Painting canvas travel range metering installation for rolling picture-changing lamp box Download PDFInfo
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- CN101271656A CN101271656A CNA2008100614239A CN200810061423A CN101271656A CN 101271656 A CN101271656 A CN 101271656A CN A2008100614239 A CNA2008100614239 A CN A2008100614239A CN 200810061423 A CN200810061423 A CN 200810061423A CN 101271656 A CN101271656 A CN 101271656A
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Abstract
The invention relates to the technical field of an advertisement display equipment, in particular to a metering device of a travel of a canvas used in a scrolling panel light box; the device comprises a drive shaft connected with a transmission of a rolling shaft of the light box, at least one encoding board which is fixedly arranged on the drive shaft and driven by the drive shaft in accordance with a fixed transmission ratio, at least two encoding areas which are arranged on the encoding board and respectively have a different encoding frequency of a revolution for the drive shaft, and at least two encoding detectors used for detecting the information of the encoding area on the encoding board. The metering device of the invention totally adopts a digitized measurement and can realize an accurate measurement of an image, real-time correction and can remove an error produced randomly in an image movement, thereby greatly improving the stability and the reliability of a system of the scrolling panel light box, and simplifying the manual regulation.
Description
Technical field
The present invention relates to advertisement and show the equipment technical field, especially a kind of painting canvas travel range metering installation that is used for rolling picture-changing lamp box, can carry out accurate measurement to the painting canvas stroke, eliminate in real time and change the slight error that the picture system produces, avoid the accumulation of error, improved the long-time stability and the accuracy of changing the picture system greatly.
Background technology
The rolling picture-changing lamp box system is a kind of comparatively novel picture exhibition mode at present, comprises two roller bearings (up and down or about install), and several placards fuse and twist on the roller bearing, show every placard in regular turn by the rotating of roller bearing.This rolling picture-changing lamp box has improved the utilization rate of advertisement position greatly, again because of its cost is low, can opens up advantages such as picture is flexible and obtain using widely.
Rolling picture-changing lamp box needs every placard is positioned in operational process, and the localization method that generally uses has at present:
1, punching or stickup metal marker on picture, with optical inductor or metal sensor induction painting canvas position, the defective of the method is that anti-sunlight interference performance is poor, induction range is little, installation accuracy is high, easily rocks because of painting canvas or wanders off and respond to painting canvas position less than correct, mistake occurs;
2, utilize physical construction that the rotation of roller bearing is transferred to the nut that meshes on the screw mandrel, measure the painting canvas position by the motion of measurement nut and the rotation of screw mandrel, the defective of this method is a complex structure, the length of painting canvas is subjected to the screw mandrel length restriction, must can use to the tram by the manual shift nut, operate loaded down with trivial details.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, a kind of painting canvas travel range metering installation that is used for rolling picture-changing lamp box is provided.This device adopts the digitizing metering fully, can realize the accurate metering of picture, and proofreaies and correct and eliminate the error that produces at random in the picture operational process in real time, has improved the stability and the reliability of rolling picture-changing lamp box system greatly, has simplified manual shift.
Above-mentioned purpose of the present invention is achieved through the following technical solutions:
A kind of painting canvas travel range metering installation that is used for rolling picture-changing lamp box is characterized in that this device comprises a transmission shaft, links with the gearing of lamp box roller bearing; At least one code-wheel is fixedly installed on the transmission shaft, and transmission shaft drives code-wheel and rotates by fixed drive ratio; At least two code areas, code area are located on the code-wheel, and each code area has different revolution coding frequencies to transmission shaft; At least two code detector are used to detect the information of code area on the code-wheel.
The coding frequency is exactly the coding number of times that transmission shaft rotates a circle
Further, the ratio of gear of transmission shaft of the present invention and code-wheel is 1: 1.
Described code detector can be grating sensor, Hall element, also can be sensors such as inductance sensor, capacitive transducer or metal sensor.
Principle of work of the present invention is that the conveyer by rolling picture-changing lamp box is sent to the rotation of painting canvas roller bearing on the transmission shaft with certain gear ratio; Transmission shaft drives code-wheel and rotates, and when the painting canvas roller bearing rotated, code-wheel was followed transmission shaft and rotated together.The signal in different coding district on code area signal or the same code-wheel on the different code-wheel of sensor acquisition, peripheral control unit receives that whenever the coded signal of an any sensor just proofreads mutually to the coding number of times of each sensor, eliminate the code error of sensor in real time, realize accurately stably measuring the stroke of painting canvas.
In the painting canvas operational process, the different coding district is occurred gathering wrong probability simultaneously with a plurality of sensors and the quantity of number of sensors and code area is inversely proportional to.The quantity of number of sensors and code area is many more, and it is just low more to occur gathering wrong probability simultaneously.Thereby the sensor that adopts among the present invention and code area are many more, and its quantification stability is high more.Evidence adopts three sensors and two code areas just can satisfy actual request for utilization.
Apparatus of the present invention adopt the digitizing metering fully, can realize the accurate metering of picture, and proofread and correct and eliminate the error that produces at random in the picture operational process in real time, and improved the stability and the reliability of rolling picture-changing lamp box system greatly, simplified manual shift.
For further specifying design feature of the present invention and effect, the present invention is further described below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is that the rolling picture-changing lamp box system constitutes synoptic diagram;
Fig. 2 is the structural representation of one embodiment of the present invention;
Fig. 3 is the synoptic diagram after Fig. 2 removes shell.
Wherein, 101,102---the painting canvas roller bearing; 103---painting canvas; 104---apparatus of the present invention; 105---gearing; 106---peripheral control unit; 201---shell; 202---transmission shaft; 203---code detector 1; 204---code detector 2; 205---code detector 3; 206---code-wheel; 207---first code area; 208---second code area.
Embodiment
Embodiment 1
Be illustrated in figure 1 as the rolling picture-changing lamp box system and constitute synoptic diagram, the painting canvas 103 that some width of cloth placards link together twists on roller bearing 101 and 102, and by side-to-side movement, every width of cloth placard is showed in regular turn.
Apparatus of the present invention 104 link by the gearing 105 of transmission shaft and painting canvas roller bearing, and gearing 105 is sent to the rotation of the painting canvas roller bearing ratio of gear with 1: 1 on the transmission shaft; The rolling picture-changing lamp box system also comprises peripheral control unit 106, is used to control correctly rolling picture-changing in an orderly manner of painting canvas.
As shown in Figures 2 and 3, be the structural representation of one embodiment of the present invention, painting canvas travel range metering installation comprises a shell 201; One transmission shaft 202 links with the gearing 105 of lamp box roller bearing; A code-wheel 206, be fixedly installed on the transmission shaft, code-wheel 206 is respectively equipped with first code area 207 and second code area 208 in zones of different, transmission shaft 202 drives the ratio of gear rotation that code-wheel 206 was pressed 1: 1, the revolution coding frequency of the 207 pairs of transmission shafts in first code area is 1 time/commentaries on classics, and the revolution coding frequency of the 208 pairs of transmission shafts in second code area is 48 times/commentaries on classics (the coding frequency is exactly that transmission shaft rotates a coding number of times that encloses); Painting canvas travel range metering installation of the present invention comprises that also three code detector 203,204 and 205 are (for ease of clearer differentiation, here with code detector 203,204,205 difference called after code detector 1,2,3), be fixedly installed on the base plate of shell 201, be used to detect the information of code area on the code-wheel, code detection is carried out in 3 pairs second code areas of code detector, and code detector 1 and code detector 2 are carried out code detection to first code area on diverse location.Three code detector are grating sensor.
When the painting canvas roller bearing rotated, the rotation of roller bearing was sent to transmission shaft 202 through gearing 105, was installed in code-wheel 206 on the transmission shaft and followed transmission shaft 202 and rotate together by 1: 1 ratio of gear.
Because of first code area and the revolution employing different coding frequency of second code area to transmission shaft.When roller bearing rotates, three code detector obtain different coded datas at synchronization, and because the position of coding frequency, code detector 2 and the code detector 3 of ratio of gear, first code area and second code area of the ratio of gear of roller bearing and transmission shaft and transmission shaft and code-wheel all is changeless, so all there is fixing mathematical relation at any time in three code detector gained coded datas
N1×48+M1＝N3；
N2×48+M2＝N3；
N1, N2, N3 are respectively the coded number of code detector 1,2,3 in the formula; M1, M2 are respectively the start code number of code detector 3 relative coding detecting devices 1,2, i.e. the encoded number of times of code detector 3 when code detector 1,2 is encoded for the first time.
Peripheral control unit receives that whenever the coded signal of an any sensor just proofreads mutually to the coding number of times of each sensor, therefore when producing when encoding deviation, any one code detector can give real-time correction by fixing mathematical relation according to the coded data of other two scramblers, eliminate the code error of sensor in real time, thereby avoided the accumulation of error, guaranteed the steady in a long-term and accurately operation of rolling picture-changing lamp box system.
Embodiment 2
Present embodiment is except that code detector is Hall element, and other is all identical with embodiment 1.
Embodiment 3
Present embodiment is that other is all identical with embodiment 1 the 24 times/commentaries on classics except that the coding frequency of second code area 208.
All there is fixing mathematical relation at any time in three code detector gained coded datas:
N1×24+M1＝N3；
N2×24+M2＝N3；
N1, N2, N3 are respectively the coded number of code detector 1,2,3 in the formula; M1, M2 are respectively the start code number of code detector 3 relative coding detecting devices 1,2, i.e. the encoded number of times of code detector 3 when code detector 1,2 is encoded for the first time.
The present invention can also adopt a plurality of code-wheels, and the code area is arranged at respectively on the different code-wheels.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not as limitation of the invention, as long as in essential scope of the present invention, all will drop in the scope of claims of the present invention variation, the modification of the above embodiment.
Claims (4)
1. a painting canvas travel range metering installation that is used for rolling picture-changing lamp box is characterized in that, this device comprises
One transmission shaft links with the gearing of lamp box roller bearing;
At least one code-wheel is fixedly installed on the transmission shaft, and transmission shaft drives code-wheel and rotates by fixed drive ratio;
At least two code areas, code area are located on the code-wheel, and each code area has different revolution coding frequencies to transmission shaft;
At least two code detector are used to detect the information of code area on the code-wheel.
2. painting canvas travel range metering installation as claimed in claim 1, the ratio of gear that it is characterized in that transmission shaft and code-wheel is 1: 1.
3. painting canvas travel range metering installation as claimed in claim 1 or 2 is characterized in that described code detector is a grating sensor.
4, painting canvas travel range metering installation as claimed in claim 1 or 2 is characterized in that described code detector is a Hall element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100614239A CN101271656B (en) | 2008-05-13 | 2008-05-13 | Painting canvas travel range metering installation for rolling picture-changing lamp box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100614239A CN101271656B (en) | 2008-05-13 | 2008-05-13 | Painting canvas travel range metering installation for rolling picture-changing lamp box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101271656A true CN101271656A (en) | 2008-09-24 |
| CN101271656B CN101271656B (en) | 2011-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100614239A Expired - Fee Related CN101271656B (en) | 2008-05-13 | 2008-05-13 | Painting canvas travel range metering installation for rolling picture-changing lamp box |
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| Country | Link |
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| CN (1) | CN101271656B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102673881A (en) * | 2012-05-14 | 2012-09-19 | 厦门艾美森包装有限公司 | Anti-counterfeiting method of packaging consumptive material and packaging device |
-
2008
- 2008-05-13 CN CN2008100614239A patent/CN101271656B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102673881A (en) * | 2012-05-14 | 2012-09-19 | 厦门艾美森包装有限公司 | Anti-counterfeiting method of packaging consumptive material and packaging device |
| CN102673881B (en) * | 2012-05-14 | 2014-03-05 | 厦门艾美森包装有限公司 | Anti-counterfeiting method of packaging consumptive material and packaging device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101271656B (en) | 2011-01-19 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20130513 |