CN114877842B - Real-time metering device and metering method for film - Google Patents
Real-time metering device and metering method for film Download PDFInfo
- Publication number
- CN114877842B CN114877842B CN202210448190.8A CN202210448190A CN114877842B CN 114877842 B CN114877842 B CN 114877842B CN 202210448190 A CN202210448190 A CN 202210448190A CN 114877842 B CN114877842 B CN 114877842B
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- film
- core
- angle sensor
- transmission
- tooth
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 238000003825 pressing Methods 0.000 claims abstract description 17
- 238000004804 winding Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/06—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness specially adapted for measuring length or width of objects while moving
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a real-time metering device and a metering method of a film, comprising a film core, an angle sensor and a singlechip, wherein the outer side of the film core is surrounded by a toothed film forming a circular ring shape; a transmission outlet is arranged on one side of the chip core, a grounding point and a movable measuring point are sequentially arranged on the transmission outlet, and the grounding point is electrically connected with an IO port of the singlechip; and a pressing sheet is rotatably arranged on the angle sensor, one side of the pressing sheet is tightly contacted with the outer side of the tooth hole film, and the angle sensor is electrically connected with the single chip microcomputer. The angle sensor is adopted to measure the thickness of the film, so that the length of the residual film is obtained, the number of the detection holes is utilized to detect the number of the tooth holes, and finally, the transmission distance is automatically calculated after the operation is finished, so that the structure is simple, and the measurement is accurate.
Description
Technical Field
The invention belongs to the technical field of photography, and particularly relates to a real-time metering device and a metering method for a film.
Background
At present, in the field of photography, the utilization rate of film is gradually reduced and gradually replaced by digital equipment, but films have the characteristics of stronger layering sense, natural color, fine and smooth image quality, large latitude, better contrast of detail parts and the like, so that the imaging quality of the films is better than that of the digital equipment in a plurality of specific fields.
However, in certain applications, such as digital film converting apparatus, the video camera or the device for measuring film on the video camera is not suitable, and the present invention is directed to solving the problem of measuring film length of digital film converting apparatus, including both shot and non-shot lengths.
The conventional flipping device has the following disadvantages, as analyzed:
1) The number of frames photographed is calculated by mechanical operation to convert the length.
The traditional film camera adopts fixed film specification, and it calculates that a total of shooting many go up the frame, needs artificial conversion length, can't real-time feedback result, and efficiency is lower.
2) Special requirements for equipment and no universality.
The film metering devices of the traditional film camera are all arranged on corresponding equipment, so that the flexible requirements of digital film conversion equipment cannot be met, the communication interface is also relatively closed, and the film metering devices cannot be used as third party devices.
3) The conventional film metering device is used for metering the running length of the film, and cannot measure the residual length of the film, so that the metering requirement of the residual length of the film of the digital film rotating equipment cannot be met.
The invention comprises the following steps:
the present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a real-time film weighing apparatus and a method for weighing film, which solve the problems mentioned in the background art.
In order to solve the problems, the invention provides a technical scheme that:
the real-time metering device for the film comprises a film core, an angle sensor and a singlechip, wherein the outer side of the film core is surrounded by a toothed hole film forming a circular ring shape;
a transmission outlet is arranged on one side of the chip core, a grounding point and a movable measuring point are sequentially arranged on the transmission outlet, and the grounding point is electrically connected with an IO port of the singlechip;
and a pressing sheet is rotatably arranged on the angle sensor, one side of the pressing sheet is tightly contacted with the outer side of the tooth hole film, and the angle sensor is electrically connected with the single chip microcomputer.
Preferably, the side surface of the perforated film is provided with perforations, and the film core is driven by a transmission device.
Preferably, when the perforation on the perforation film runs to a measuring point, the measuring point is contacted with a grounding point;
when the perforation on the perforation film is separated from the measurement point, the measurement point is separated from the ground point.
Preferably, the pressing piece is in close contact with the tooth hole.
A metering method of a real-time metering device for film, comprising the steps of:
s1, starting a transmission device to operate equipment to drive a film core, reducing the thickness of the film when the equipment operates and drives the perforated film, enabling a pressing sheet to rotate along with the reduction of the thickness of the perforated film, and detecting the rotating angle through an angle sensor;
s2, correspondingly winding the thickness of the film on the film core, and calculating the length of the remaining film according to the default specification thickness of each layer of film and the fixed radius of the film core;
s3, when the tooth holes on the film run to the transmission outlet, the measuring points are pressed to be in contact with the grounding point, the IO port on the single chip microcomputer becomes low level, and when the tooth holes on the film pass over the transmission outlet, the measuring points are separated from the grounding point, and the IO port on the single chip microcomputer is restored to high level;
and S4, detecting each tooth hole through the number of the high and low levels to obtain the tooth hole number, and calculating the transmission distance according to the tooth hole number and the tooth hole distance of the default specification of the film.
The beneficial effects of the invention are as follows: the invention relates to a real-time metering device and a metering method thereof for film, which have the characteristics of full-automatic metering, precise metering, wide application range and the like, and in specific use, compared with the traditional film metering, the real-time metering device and the metering method thereof for film have the following two beneficial effects:
firstly, the thickness of the film is measured by adopting an angle sensor, so that the length of the residual film is obtained, the number of tooth holes is detected by utilizing a detection port, and finally, the transmission distance is automatically calculated after the operation is finished, so that the structure is simple, and the measurement is accurate;
secondly, the single chip microcomputer is used as a detection main body, the film thickness data, the transmission length and the tooth hole number are detected and measured in real time, the degree of automation is high, real-time feedback of the measurement result is realized, and the equipment is used for calculating according to the default thickness of the film, so that the film thickness measuring device is applicable to films with various specifications, and the application range is wider.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a flow chart of the film length metering after operation of the apparatus of the present invention.
In the figure: 1 chip, 2 tooth hole films, 3 pressing sheets, 4 angle sensors, 5 single chip microcomputer, 6 grounding points, 7 transmission outlets and 8 measuring points.
The specific embodiment is as follows:
as shown in fig. 1-2, the present embodiment adopts the following technical scheme:
examples:
the real-time metering device for the film comprises a film core 1, an angle sensor 4 and a singlechip 5, wherein the outer side of the film core 1 is surrounded by a toothed film 2 forming a circular ring shape; a transmission outlet 7 is arranged on one side of the chip core 1, a grounding point 6 and a movable measuring point 8 are sequentially arranged on the transmission outlet 7, and the grounding point 6 is electrically connected with an IO port of the singlechip 5; the angle sensor 4 is rotatably provided with a pressing sheet 3, one side of the pressing sheet 3 is tightly contacted with the outer side of the tooth hole film 2, and the angle sensor 4 is electrically connected with the singlechip 5.
Wherein, the side surface of the perforated film 2 is provided with perforations, and the film core 1 is driven by a transmission device; furthermore, when the perforation on the perforation film 2 runs to a measuring point 8, the measuring point 8 is in contact with the ground point 6; when the tooth holes on the tooth hole film 2 are separated from the measuring points 8, the measuring points 8 are separated from the grounding points 6; the pressing piece 3 is in close contact with the tooth holes.
A metering method of a real-time metering device for film, comprising the steps of: s1, starting a transmission device to run equipment so as to drive a film core 1, wherein when the equipment runs and drives a perforated film 2, the thickness of the film is reduced, a pressing sheet 3 rotates along with the reduction of the thickness of the perforated film 2, and the rotating angle is detected by an angle sensor 4; s2, correspondingly winding the thickness of the film on the film core 1, and calculating the length of the remained film according to the default specification thickness of each layer of film and the fixed radius of the film core 1; s3, when the tooth holes on the film run to the transmission outlet 7, the measuring points 8 are pressed to be in contact with the grounding point 6, the IO port on the single chip microcomputer 5 becomes low level, and when the tooth holes on the film pass over the transmission outlet 7, the measuring points 8 are separated from the grounding point 6, and the IO port on the single chip microcomputer 5 is restored to high level; and S4, detecting each tooth hole through the number of the high and low levels to obtain the tooth hole number, and calculating the transmission distance according to the tooth hole number and the tooth hole distance of the default specification of the film.
The use state of the invention is as follows: firstly, winding a perforated film 2 to be measured on the outer side of a film core 1 to form a circular ring shape, installing an angle sensor 4 on one side of the circular ring shape, tightly attaching a pressing sheet 3 to a perforation on one side of the perforated film 2 on a main shaft of the angle sensor 4, and enabling a transmission device to enable the film core 1 to rotate after the equipment is electrified to run so as to drive the perforated film 2 to run towards a transmission outlet 7;
wherein, in the transmission process, the thickness of the film can be reduced, and the pressing sheet on the angle sensor 4 is gradually rotated through the reduction of the thickness of the film, so that the rotating angle A can be detected, the thickness H of the film which is correspondingly wound on the film core 1 is calculated, and the length of the remained film is calculated through the default specification thickness H of each layer of film and the fixed radius r of the film core;
in the transmission process of the perforation film 2, after the perforation is contacted with the measuring point 8, the measuring point 8 is contacted with the grounding point 6, after the two points are contacted, the IO detection port with high level is changed into low level at ordinary times, and when the film is isolated, the IO detection port with high level is restored to high level, so that each perforation can be detected by the quantity of the high level and the low level, and the transmission distance can be calculated by the perforation number N and the perforation distance s of the default specification of the film;
the device is applied to the inside of photographic equipment, can accurately feed back the residual length and the transmission distance of a film in real time, and is accurate in measurement.
While the basic principles and main features of the present invention and advantages of the present invention have been shown and described, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are described in the foregoing specification merely illustrate the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined in the appended claims and their equivalents.
Claims (3)
1. The real-time metering device for the film is characterized by comprising a film core (1), an angle sensor (4) and a singlechip (5), wherein the outer side of the film core (1) is surrounded by a toothed film (2) forming a circular ring shape;
a transmission outlet (7) is formed in one side of the chip core (1), a grounding point (6) and a movable measuring point (8) are sequentially arranged on the transmission outlet (7), and the grounding point (6) is electrically connected with an IO port of the singlechip (5);
a pressing sheet (3) is rotatably arranged on the angle sensor (4), one side of the pressing sheet (3) is closely contacted with the outer side of the tooth hole film (2), and the angle sensor (4) is electrically connected with the singlechip (5);
the side surface of the perforated film (2) is provided with perforations, and the film core (1) is driven by a transmission device;
when the perforation on the perforation film (2) runs to a measuring point (8), the measuring point (8) is contacted with a grounding point (6);
when the perforation on the perforation film (2) is separated from the measuring point (8), the measuring point (8) is separated from the grounding point (6).
2. The apparatus of claim 1, wherein: the pressing piece (3) is tightly contacted with the tooth holes.
3. A metering method of a real-time metering device for film as claimed in any one of claims 1 to 2, comprising the steps of:
s1, starting a transmission device to run equipment so as to drive a film core (1), reducing the thickness of the film when the equipment runs and drives a perforated film (2), and detecting the rotation angle by an angle sensor (4) when a pressing sheet (3) rotates along with the reduction of the thickness of the perforated film (2);
s2, correspondingly winding the thickness of the film on the film core (1), and calculating the length of the remained film according to the default specification thickness of each layer of film and the fixed radius of the film core (1);
s3, when the tooth holes on the film run to the transmission outlet (7), the measuring points (8) are pressed to be in contact with the grounding point (6), the IO port on the single chip microcomputer (5) becomes low level, and when the tooth holes on the film pass over the transmission outlet (7), the measuring points (8) are separated from the grounding point (6), and the IO port on the single chip microcomputer (5) is restored to high level;
and S4, detecting each tooth hole through the number of the high and low levels to obtain the tooth hole number, and calculating the transmission distance according to the tooth hole number and the tooth hole distance of the default specification of the film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210448190.8A CN114877842B (en) | 2022-04-27 | 2022-04-27 | Real-time metering device and metering method for film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210448190.8A CN114877842B (en) | 2022-04-27 | 2022-04-27 | Real-time metering device and metering method for film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114877842A CN114877842A (en) | 2022-08-09 |
| CN114877842B true CN114877842B (en) | 2023-12-05 |
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ID=82672777
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210448190.8A Active CN114877842B (en) | 2022-04-27 | 2022-04-27 | Real-time metering device and metering method for film |
Country Status (1)
| Country | Link |
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| CN (1) | CN114877842B (en) |
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| US5175573A (en) * | 1988-03-11 | 1992-12-29 | Arnold & Richter Cine Technik Gmbh & Co. Betriebs Kg | Film transport device |
| KR20030086486A (en) * | 2003-09-29 | 2003-11-10 | 박윤오 | Digital pack for film camera |
| KR20040048653A (en) * | 2002-12-04 | 2004-06-10 | 대정테크윈 주식회사 | apparatus for packing the flap type chip and its driving method |
| CN101352384A (en) * | 2008-08-26 | 2009-01-28 | 北京航空航天大学 | Slice-coiling mechanism of amblyopia therapeutic equipment |
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| US5175573A (en) * | 1988-03-11 | 1992-12-29 | Arnold & Richter Cine Technik Gmbh & Co. Betriebs Kg | Film transport device |
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| KR20040048653A (en) * | 2002-12-04 | 2004-06-10 | 대정테크윈 주식회사 | apparatus for packing the flap type chip and its driving method |
| KR20030086486A (en) * | 2003-09-29 | 2003-11-10 | 박윤오 | Digital pack for film camera |
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| CN211140985U (en) * | 2019-10-25 | 2020-07-31 | 长春惠邦科技有限公司 | Active unwinding device for medium film |
| CN211591237U (en) * | 2020-01-20 | 2020-09-29 | 天津机电职业技术学院 | Film product coiling production line |
| CN211552786U (en) * | 2020-03-06 | 2020-09-22 | 南阳柯丽尔科技有限公司 | Length metering device for medical film coating |
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| CN114877842A (en) | 2022-08-09 |
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