CN201358092Y - Paper detecting device and image processing device applying same - Google Patents
Paper detecting device and image processing device applying same Download PDFInfo
- Publication number
- CN201358092Y CN201358092Y CNU2008201515486U CN200820151548U CN201358092Y CN 201358092 Y CN201358092 Y CN 201358092Y CN U2008201515486 U CNU2008201515486 U CN U2008201515486U CN 200820151548 U CN200820151548 U CN 200820151548U CN 201358092 Y CN201358092 Y CN 201358092Y
- Authority
- CN
- China
- Prior art keywords
- paper
- photo interrupter
- transmitting terminal
- image processor
- receiving end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Controlling Sheets Or Webs (AREA)
Abstract
The utility model relates to a paper detecting device which comprises a photo interrupter, a paper feed mechanism and a judgment circuit; wherein the paper feed mechanism is positioned at the position where at least one piece of paper moves along the transmitting path; the photo interrupter comprises a transmitting terminal and a receiving terminal arranged in face of the transmitting terminal, and an optical passage is formed between the transmitting terminal and the receiving terminal; the photo interrupter is arranged on the transmitting path which passes between the transmitting terminal and the receiving terminal; and the photo interrupter sends out signals according to the situation that at least one piece of paper intercepts the optical passage. The judgment circuit is electrically connected with the photo interrupter; when the difference value between the voltage of the signal of the photo interrupter and the preset voltage is more than specific value, a plurality of pieces of papers are judged to intercept the optical passage, and the preset voltage is generated when a single piece of paper passes between the transmitting terminal and the receiving terminal. The paper detecting device not only solves the problem that the document content is lost when the plurality of pieces of papers are fed in at the same time, but also can timely prevent the paper from being blocked due to the overlarge thickness when more papers are fed.
Description
Technical field
The utility model relates to a kind of image processor, paper sensing device, especially, relates to a kind of paper sensing device of judging multi-paper feed in the image processor that is applied in.
Background technology
Devices such as desktop chopping machine, scanner, duplicator or multifunctional paper feeding machine seldom can be avoided the situation of multi-paper feed fully in the paper feed process.If in handling the process of file, two of feed-ins simultaneously even many files are not only omitted the file content that falls will scan or xerox easily, and are very easy to the situation of paperboard takes place and cause device running interruption.
At present common is mechanically to detect the situation whether multi-paper feed takes place, and it mainly is to utilize haptic element or sensing arm to remove to touch paper to measure the change amount of its thickness, after the change amount of thickness surpasses predetermined scope, just judges the situation that multi-paper feed takes place.Yet not only the sensing degree is low, sensed speed is slow for this detecting mode, and causes the paperboard problem easily.In view of the above problems, how effectively detecting the in-use performance of paper feed situation with bont, is an important problem really.
The utility model content
The voltage that the purpose of this utility model provides a kind of signal according to Photo Interrupter removes whether to produce in the decision maker paper sensing device of the situation that the plurality of sheets of paper of feed-in simultaneously opens and uses its image processor, it has overcome, and detecting mode sensing degree of the prior art is low, sensed speed is slow, causes the problem of paperboard easily.
The technical scheme that the utility model technical solution problem is adopted is, a kind of paper sensing device, and it comprises Photo Interrupter, paper feed mechanism and decision circuitry.Paper feed mechanism is positioned at and makes at least one paper along position that transfer path moves.Photo Interrupter comprises transmitting terminal and the receiving end that is provided with in the face of this transmitting terminal.Form light patch between transmitting terminal and the receiving end.Wherein, Photo Interrupter is arranged on this transfer path, and this transfer path is by between transmitting terminal and the receiving end, and Photo Interrupter is to send signal according to the situation of at least one paper blocking light patch.Decision circuitry is electrically connected to Photo Interrupter, when the difference value of the voltage of the signal of Photo Interrupter and predeterminated voltage during greater than particular value, the judgement plurality of sheets of paper is opened the blocking light patch, and this predeterminated voltage is the voltage that individual paper was produced by time between this transmitting terminal and this receiving end.
Another kind of technical scheme is, a kind of image processor, and it comprises paper-feeding channel, paper feed mechanism, Photo Interrupter and decision circuitry.Paper-feeding channel has transfer path, and at least one paper moves along this transfer path.Paper feed mechanism is positioned at opens the position of transmission by paper-feeding channel with a piece of paper at least.Photo Interrupter comprises transmitting terminal and the receiving end that is provided with in the face of this transmitting terminal.Form light patch between transmitting terminal and the receiving end, wherein, Photo Interrupter is arranged on this transfer path, and this transfer path is by between the transmitting terminal and receiving end of Photo Interrupter, and Photo Interrupter is to send signal according to the situation of at least one paper blocking light patch.Decision circuitry is electrically connected to Photo Interrupter, and when the difference value of the voltage of the signal of Photo Interrupter and predeterminated voltage during greater than particular value, output multi-paper feed signal, this predeterminated voltage is the voltage that individual paper was produced by time between this transmitting terminal and this receiving end.
Wherein, preferably, this image processor comprises the paper box of depositing of depositing this at least one paper, and it is connected with this paper-feeding channel.
Further, preferably, wherein this Photo Interrupter is the paper feed end that is arranged at this paper-feeding channel.
Further, preferably, this image processor comprises that this paper feed mechanism of control transmits this at least one paper, and the control unit that receives this multi-paper feed signal, and it is electrically connected with this paper feed mechanism and this decision circuitry.
Further again, preferably, this image processor comprises image capture district and scan module, and this image capture district is positioned at the downstream part of this Photo Interrupter, and this scan module is arranged on the position of acquisition by the image of this at least one paper in this image capture district.
The beneficial effects of the utility model are, paper sensing device provided by the utility model not only can solve because of while feed-in plurality of sheets of paper opens the problem of losing file content, can also prevent to have very large help for the lifting of installing usefulness because of the too much excessive paperboard problem that causes of thickness of feed-in paper in good time.
For foregoing of the present utility model can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
Description of drawings
Figure 1A is that explanation is according to a kind of image processor of the utility model preferred embodiment and the scheme drawing of paper sensing device thereof.
Figure 1B is the lateral plan of Figure 1A.
Fig. 2 A is the scheme drawing that the image processor feed-in plurality of sheets of paper of explanation Figure 1A is opened.
Fig. 2 B is the lateral plan of Fig. 2 A.
Fig. 3 A, 3B are that explanation is provided with the scheme drawing of two Photo Interrupters with the detecting paper in paper-feeding channel.
Fig. 4 is the scheme drawing that the image processor of explanation Figure 1A is provided with scan module.
The specific embodiment
Please refer to Figure 1A, 1B, Figure 1A illustrates that Figure 1B is the lateral plan of Figure 1A according to a kind of image processor of the utility model preferred embodiment and the scheme drawing of paper sensing device thereof.Image processor 10 comprises paper-feeding channel 110 and deposits paper box 120.Paper-feeding channel 110 is used to make paper S to move along transfer path TP.Deposit paper box 120 and be used to deposit paper S.The paper sensing device of image processor 10 comprises Photo Interrupter 130, paper feed mechanism 140 and decision circuitry 150.Photo Interrupter 130 is arranged in the paper-feeding channel 110, and is electrically connected to decision circuitry 150.Shown in Figure 1B, Photo Interrupter 130 comprises transmitting terminal 131 and receiving end 132, and wherein, transmitting terminal 131 is used to launch light L, and receiving end 132 is used to receive light L, makes to form light patch between transmitting terminal 131 and the receiving end 132.Image processor 10 further comprises control unit 160, is electrically connected paper feed mechanism 140 and decision circuitry 150, transmits paper S except being used to control paper feed mechanism 140, can also be used to receiving the signal that decision circuitry 150 sends.
Next with reference to Fig. 2 A, 2B, Fig. 2 A is the scheme drawing that the image processor 10 feed-in plurality of sheets of paper of explanation Figure 1A are opened S, and Fig. 2 B is the lateral plan of Fig. 2 A.When paper feed mechanism 140 feeds after paper S enters paper-feeding channel 110 from depositing paper box 120, paper S can move and by between the transmitting terminal 131 and receiving end 132 of Photo Interrupter 130 along transfer path TP.Photo Interrupter 130 can send signal according to the situation of paper S blocking light patch.Decision circuitry 150 is electrically connected to Photo Interrupter 130, and the voltage of the signal that can be exported at Photo Interrupter 130 during greater than particular value, is exported the multi-paper feed signal with the difference value of predeterminated voltage.For preferred implementation, control unit 160 can be controlled paper feed mechanism 140 and stop to transmit paper S at once after receiving this multi-paper feed signal, to avoid paperboard or to lower the breaking-up that paper S is caused because of paperboard.
The image processor 10 of present embodiment can be autofile paper feeder, paper feeding scanner, chopping machine or electronics packages such as duplicator with autoamtic paper feeding function.Photo Interrupter 130 for example is the infrared ray interceptor, and its transmitting terminal 131 can be light-emitting diode (using the above infrared light-emitting diode of emission wavelength 800nm) more, and 132 of receiving ends can be photistor.The transmitting terminal 131 and the receiving end 132 of Photo Interrupter 130 are aspectant being installed together, and one space of midfeather.In the paper feed process, paper S can be by the space between transmitting terminal 131 and the receiving end 132.Preferably, Photo Interrupter 130 is the paper feed ends that are arranged at paper-feeding channel 110, and thus, Photo Interrupter 130 can send signal when plurality of sheets of paper is opened S at the beginning by feed-in paper-feeding channel 110.
Because image processor 10 is only presented individual paper S by paper-feeding channel 110 in the situation that paper feed mechanism 140 normally feeds paper S next time, thereby for decision circuitry 150, the voltage that predeterminated voltage can be individual paper S Photo Interrupter 130 is produced by between transmitting terminal 131 and the receiving end 132 time.In addition, also because the voltage that Photo Interrupter 130 is exported when individual paper S and plurality of sheets of paper are opened S by light patch has very big difference, thereby having a very high identification, therefore decision circuitry 150 can rely on the predeterminated voltage and the difference value of the voltage of the signal of Photo Interrupter 130 to go to have judged whether that plurality of sheets of paper opens in the S while feed-in image processor 10 at an easy rate.
It below is the light patch that the paper of different size, material and quantity is passed through Photo Interrupter 130, result by measuring light interceptor 130 output voltage gained, wherein, table 1 is for testing the result of gained respectively under the different paper number with paper and excellent cypress paper to general photomechanical printing.
| The paper number | General paper voltage (V) | Excellent cypress paper voltage (V) |
| 1 | 700.6m | 320m |
| 2 | 2.937 | 2.333 |
| 3 | 3.838 | 3.597 |
| 4 | 4.215 | 3.88 |
| 5 | 4.421 | 4.159 |
Table 1
Measurement by table 1 can clearly be observed, and no matter is for general paper or excellent cypress paper, Photo Interrupter 130 individual paper by the time voltage of the signal exported and two pieces of paper open by the time signal exported voltage sizable difference value is arranged.With general paper is example, and individual paper is when the Photo Interrupter 130, and the voltage of Photo Interrupter 130 output signals is 700.6mV, two pieces of paper open by the time signal that produces voltage then increase most 2.937V, the difference value between the two is about 2.236V.Learn that thus open by Photo Interrupter 130 even only have more a piece of paper, Photo Interrupter 130 also can provide effective signal, open paper feed for decision circuitry 150 individual paper of differentiation and plurality of sheets of paper.Similarly the blocking situation also can be observed by the measurement of excellent cypress paper, its individual and two difference value be about 2.01V.
Therefore the predeterminated voltage of decision circuitry 150 can be that individual paper is during by Photo Interrupter 130, by the voltage of 130 output signals of Photo Interrupter.Decision circuitry 150 be the voltage according to this predeterminated voltage and Photo Interrupter 130 institute's output signal under other detecting situation reach difference value.In addition, and set particular value and be used for doing contrast,, can differentiate image processor 10 plurality of sheets of paper of feed-in simultaneously and open when difference value during greater than particular value with difference value.For instance, for paper or excellent cypress paper, because the difference value of its test result gained respectively is 2.236V and 2.01V, so the scope of particular value can be set at 2V for general photomechanical printing.
Table 2 is the results at the test that paper is done of different colours paper and use different colours carbon dust.
Table 2
Result of a measurement by table 2 can clearly be observed, no matter the paper color by Photo Interrupter 130 why, or the paper content is to print with which kind of color carbon dust to form, and institute's output signal of the difference of voltage Photo Interrupter 130 is opened to(for) individual paper and two pieces of paper is all very big.Hence one can see that, and Photo Interrupter 130 has tangible measurement effect equally for the different paper material.
According to the result of a measurement of table 1 with table 2, single Photo Interrupter 130 has had very good effect for the detecting of multi-paper feed, but not as qualification.With reference to Fig. 3 A, 3B, they are that explanation is provided with the scheme drawing that two Photo Interrupters 130 are used for detecting paper S in paper-feeding channel 110.Two Photo Interrupters 130 are arranged on the diverse location in the paper-feeding channel 110, and preferably are arranged on the both sides of paper-feeding channel 110, with from paper S left and right sides detecting paper S.Two Photo Interrupter 130 detectings of the diverse location on transfer path TP (seeing Figure 1A) respectively, or be provided with face-to-face.If have a piece of paper to open S among the paper S that overlaps enters in the paper-feeding channel 110 with being offset, make the Photo Interrupter 130 that is positioned at paper S one side only detect individual and go into paper, 130 of Photo Interrupters that are positioned at diverse location on paper S opposite side or the paper feeding channel 110 can detect many situations of going into paper, thus, can significantly promote the detecting acuity of multi-paper feed.
With reference to Fig. 4, it is to illustrate that the image processor 10 of Figure 1A is provided with the scheme drawing of scan module 170.Image capture district I is installed, and scan module 170 relative image capture district I configurations are used for capturing the image by the paper of this image capture district I in paper feeding channel 110.With preferred implementation, image capture district I is positioned at the downstream part of Photo Interrupter 130, and Photo Interrupter 130 can be detected paper S earlier before scan module 170 scanning paper S.After control unit 160 receives the multi-paper feed signal, can control paper feed mechanism 140 and be fed at paper S and stop to transmit paper S before entering image capture district I, so can avoid losing the paper content that will scan or xerox because of multi-paper feed.
Paper sensing device that the foregoing description disclosed and the image processor of using it, be to make the light patch of paper earlier by Photo Interrupter, by the situation generation signal of Photo Interrupter according to paper blocking light patch, decision circuitry obtains difference value according to the voltage and the predeterminated voltage of this signal again, and compare with particular value, whereby whether to produce the situation that plurality of sheets of paper is opened in the judgment means.So, not only can solve because of while feed-in plurality of sheets of paper and open the problem of losing file content, can also prevent to have very large help for the lifting of installing usefulness in good time because of the too much excessive paperboard problem that causes of thickness of feed-in paper.
In sum, though preferred embodiment of the present utility model discloses as mentioned above, so this embodiment is used for limiting the utility model.The technical personnel that has common knowledge in the technical field under the utility model in not breaking away from spirit and scope of the present utility model, can be made various modifications and improvement.Therefore, protection domain of the present utility model should be as the criterion with the scope that accompanying Claim was defined.
Claims (6)
1. a paper sensing device is characterized in that, comprising:
Paper feed mechanism is positioned at and makes at least one paper along position that transfer path moves;
Photo Interrupter comprises:
Transmitting terminal, and
Receiving end in the face of described transmitting terminal is provided with forms light patch between described transmitting terminal and the described receiving end,
Wherein, described Photo Interrupter is arranged on the described transfer path, and described transfer path is by between described transmitting terminal and the described receiving end, and described Photo Interrupter sends signal according to the situation that described at least one paper interdicts described light patch; And
Decision circuitry, be electrically connected to described Photo Interrupter, when the difference value of the voltage of the described signal of described Photo Interrupter and predeterminated voltage during greater than particular value, the judgement plurality of sheets of paper is opened the described light patch of blocking, and described predeterminated voltage is the voltage that individual paper was produced by time between described transmitting terminal and the described receiving end.
2. an image processor is characterized in that, comprising:
Paper-feeding channel has transfer path, and at least one paper moves along described transfer path;
Paper feed mechanism is positioned at described at least one paper is transmitted the position of passing through described paper-feeding channel;
Photo Interrupter comprises:
Transmitting terminal, and
Receiving end in the face of described transmitting terminal is provided with forms light patch between described transmitting terminal and the described receiving end,
Wherein, described Photo Interrupter is arranged on the described transfer path, and described transfer path is by between described transmitting terminal and the described receiving end, and described Photo Interrupter sends signal according to the situation that described at least one paper interdicts described light patch; And
Decision circuitry, it is electrically connected to this Photo Interrupter, when the difference value of the voltage of the described signal of described Photo Interrupter and predeterminated voltage during greater than particular value, output multi-paper feed signal, described predeterminated voltage is the voltage that individual paper was produced by time between described transmitting terminal and the described receiving end.
3. image processor as claimed in claim 2 is characterized in that, described image processor comprises the paper box of depositing of depositing described at least one paper, and it is connected with described paper-feeding channel.
4. image processor as claimed in claim 2 is characterized in that, wherein said Photo Interrupter is the paper feed end that is arranged at described paper-feeding channel.
5. image processor as claimed in claim 2, it is characterized in that, described image processor comprises that the described paper feed mechanism of control transmits described at least one paper, and the control unit that receives described multi-paper feed signal, and it is electrically connected with described paper feed mechanism and described decision circuitry.
6. image processor as claimed in claim 5, it is characterized in that, described image processor comprises image capture district and scan module, described image capture district is positioned at the downstream part of described Photo Interrupter, and described scan module is arranged on the position of acquisition by the image of described at least one the paper in described image capture district.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201515486U CN201358092Y (en) | 2008-08-01 | 2008-08-01 | Paper detecting device and image processing device applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201515486U CN201358092Y (en) | 2008-08-01 | 2008-08-01 | Paper detecting device and image processing device applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201358092Y true CN201358092Y (en) | 2009-12-09 |
Family
ID=41423853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201515486U Expired - Lifetime CN201358092Y (en) | 2008-08-01 | 2008-08-01 | Paper detecting device and image processing device applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201358092Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103522764A (en) * | 2012-07-04 | 2014-01-22 | 虹光精密工业股份有限公司 | Printing apparatus and duplex printing method |
| CN104249574A (en) * | 2014-09-09 | 2014-12-31 | 苏州佳世达光电有限公司 | Printer |
| CN107010436A (en) * | 2017-05-02 | 2017-08-04 | 安徽玉辉电子科技有限公司 | A kind of system for preventing printer paperboard |
| CN108877389A (en) * | 2018-06-26 | 2018-11-23 | 南阳理工学院 | A kind of dedicated apparatus for marking examinating paper of Thought Politics Theory Class Teaching test macro |
-
2008
- 2008-08-01 CN CNU2008201515486U patent/CN201358092Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103522764A (en) * | 2012-07-04 | 2014-01-22 | 虹光精密工业股份有限公司 | Printing apparatus and duplex printing method |
| CN104249574A (en) * | 2014-09-09 | 2014-12-31 | 苏州佳世达光电有限公司 | Printer |
| CN107010436A (en) * | 2017-05-02 | 2017-08-04 | 安徽玉辉电子科技有限公司 | A kind of system for preventing printer paperboard |
| CN108877389A (en) * | 2018-06-26 | 2018-11-23 | 南阳理工学院 | A kind of dedicated apparatus for marking examinating paper of Thought Politics Theory Class Teaching test macro |
| CN108877389B (en) * | 2018-06-26 | 2020-11-24 | 南阳理工学院 | Examination paper machine is read in ideological and political theory class teaching test system special use |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201358092Y (en) | Paper detecting device and image processing device applying same | |
| CN101722743B (en) | Paper cutting control device for bill paper and drawing machine thereof | |
| CN1803561B (en) | Sheet feeder and jam detecting method | |
| CN201672905U (en) | Array paper thickness detection system | |
| CN203292095U (en) | Chromatic aberration sorting device for solar battery piece | |
| WO2009028074A1 (en) | Paper sheet processor | |
| CN101638187A (en) | Paper sensing device, image processing device and method for judging multiple pieces of fed paper | |
| KR101297180B1 (en) | Image forming device for determining width of paper and image forming method thereof | |
| JPH07291485A (en) | Double feed sensing device and document conveying device equipped with the same | |
| CN102297849A (en) | Friction-coefficient estimating device and friction-coefficient estimating method | |
| CN104692182A (en) | Paper size detection device and detection method thereof | |
| CN214718548U (en) | Novel GD ramuscule packagine machine set YB65A carton paper detection device | |
| CN202018331U (en) | Automatic sorting scale | |
| CN101314443B (en) | Paper feeding apparatus and method for detecting multi-paper feed | |
| JPS6037396Y2 (en) | Original transport device | |
| CN202534045U (en) | Detection mechanism capable of omnidirectionally preventing paper money from remaining at machine core mouth | |
| CN221272325U (en) | Printing device and printer | |
| CN206486045U (en) | A kind of bill collating detection means | |
| CN203093298U (en) | Paper delivery mechanism of offset printing press | |
| JPH01127541A (en) | Automatic feeding device for original paper | |
| US11548744B2 (en) | Image forming apparatus | |
| EP2316764B1 (en) | Document processing apparatus and method | |
| TW201004306A (en) | Sheet detecting apparatus and image processing apparatus using the same and method for detection of multiple paper feed thereof | |
| JPH0125000Y2 (en) | ||
| JP2022138048A (en) | Paper feeder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091209 |
|
| CX01 | Expiry of patent term |