CN209330211U - A kind of scanner with paper sheet askew detection function - Google Patents
A kind of scanner with paper sheet askew detection function Download PDFInfo
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- CN209330211U CN209330211U CN201920285774.1U CN201920285774U CN209330211U CN 209330211 U CN209330211 U CN 209330211U CN 201920285774 U CN201920285774 U CN 201920285774U CN 209330211 U CN209330211 U CN 209330211U
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Abstract
A kind of scanner with paper sheet askew detection function, it includes the first support being arranged in above paper, and the second support below paper was set, one of them setting paper feeding wheel of both first support and the second support, another setting separation wheel, it is characterized by: one of both first support and the second support are symmetrical set two pairs of photoelectric sensors in the internal and close side for crossing paper, two pairs of photoelectric sensors are close to the central axes of set support, two guiding devices are being set close to the side for crossing paper inside another support, two guiding devices are oppositely arranged with two pairs of photoelectric sensors up and down respectively, two pairs of photoelectric sensors and two guiding devices are respectively positioned on the rear side of paper feeding wheel and separation wheel, each pair of photoelectric sensor includes transmitter and receiver.The detection part of the scanner with paper sheet askew detection function with paper without contacting, to be not susceptible to damage.
Description
Technical field
The utility model relates to scanner technology fields, and in particular to a kind of scanning with paper sheet askew detection function
Instrument.
Background technique
A kind of existing scanner with paper sheet askew detection function is horizontal between two paper feeding wheels at paper feed port
To two velocity sensors of setting, when paper feed, two paper feeding wheels and two velocity sensors are resisted against above paper to be scanned, and two
Paper feeding wheel rotation drives the inside feed-in of paper, and two velocity sensors can sense the paper feed speed of institute's feed-in paper two sides simultaneously respectively
Degree, according to the speed difference size of institute's feed-in paper two sides, come whether crooked and skew angle is how many when determining paper feed-in.
When the speed difference value of paper two sides exceeds a preset value, i.e., when the angle of institute's feed-in paper sheet askew is greater than a preset value, really
Determine paper sheet askew and stop paper feed, to prevent paper from damaging.
But there are following technical problems for the existing scanner with paper sheet askew detection function: due to needing when detection
Two velocity sensors are resisted against above paper to be scanned, so in long-term use, due to constantly wearing, are easily caused
The damage of velocity sensor.
Utility model content
Technical problem to be solved by the utility model is: providing a kind of detection part without contacting with paper, to be not easy
The scanner with paper sheet askew detection function being damaged.
The technical solution of the utility model is: a kind of scanner with paper sheet askew detection function, it includes setting
It sets and is crossing the first support and the second support for being arranged in below paper above paper, first support and second
One of them setting paper feeding wheel of both seats, another setting separation wheel, it is characterised in that: both first support and the second support
One of them is symmetrical set two pairs of photoelectric sensors, two pairs of photoelectric sensors in the internal and close side for crossing paper
It is close to the central axes of set support, two guiding devices are being arranged close to the side for crossing paper inside another support, it is described
Two guiding devices are oppositely arranged with two pairs of photoelectric sensors up and down respectively, two pairs of photoelectric sensors and two guiding devices
It is respectively positioned on the rear side of paper feeding wheel and separation wheel, each pair of photoelectric sensor includes transmitter and receiver, and described first
Corresponding with transmitter and receiver position the is respectively equipped on that support of setting photoelectric sensor in seat and the second support
One through-hole and the second through-hole are located at the be equipped at the position of each guiding device for receiving transmitter optical signal on another support
Three through-holes and for by optical signal launch return receiver fourth hole.
After adopting the above structure, the utility model has the advantage that
The utility model have the scanner of paper sheet askew detection function be arranged symmetrical two pairs of photoelectric sensors and
Guiding device, once skew occurs, triggered times of two pairs of photoelectric sensors will be different, so as to according to triggered time difference come
Judge whether that skew and the angle of skew, which occurs, is how many, since photoelectric sensor is not necessarily to directly contact with paper, is not easy
Damage photoelectric sensor；The transmitter of photoelectric sensor can be made to be arranged with receiver same furthermore with guiding device
Two pairs of photoelectric sensors are arranged on same circuit board to facilitate for side.
Preferably, the guiding device includes a matrix made of translucent material, described matrix is wide at the top and narrow at the bottom
The surface of emission is arranged in the left and right sides of isosceles trapezoid, described matrix, for making the optical signal into third through-hole through matrix or so two
Change 180 degree after the twice emitting of the surface of emission of side and is returned by fourth hole.The guiding device structure is simple, convenient to add
Work.
Preferably, the top surface of described matrix is respectively equipped with the first salient point being located in third through-hole and is located in
The second salient point in four through-holes, first salient point and the second salient point are also made of translucent material, first salient point and second
The shape size of salient point is consistent with third through-hole and fourth hole respectively.The setting guiding device can be enable by the first salient point and
Second salient point is located on the second support, so as to make the transmitting of photoelectric sensor and receive relatively reliable.
Preferably, the transmitter of each pair of photoelectric sensor compares receiver closer to the central axes of set support, institute
State the length of the second salient point and the equal length of the first salient point, the width of the width of second salient point less than the first salient point.It should
The transmitting signal that not only can guarantee the first salient point energy reliable reception photoelectric sensor, but also the width by reducing the second salient point are set
Degree, can reduce the triggered time error of photoelectric sensor.
Preferably, first salient point is circle, second salient point is kidney-shaped.The setting can facilitate processing.
Detailed description of the invention:
Fig. 1 is structural schematic diagram when there is the utility model the scanner paper feed port of paper sheet askew detection function to close；
Fig. 2 is structural schematic diagram when there is the utility model the scanner paper feed port of paper sheet askew detection function to open；
Fig. 3 is the partial enlargement diagram in Fig. 2 at A；
Fig. 4 is the partial enlargement diagram in Fig. 2 at B；
Fig. 5 is the structural schematic diagram of the utility model guiding device；
In figure: 1- paper feeding wheel, the first support of 2-, 3- separation wheel, the second support of 4-, the transmitter of 5- photoelectric sensor, 6-
The receiver of photoelectric sensor, 7- guiding device, 8- first through hole, the second through-hole of 9-, 10- third through-hole, 11- fourth hole,
12- matrix, the 13- surface of emission, the first salient point of 14-, the second salient point of 15-, 16- cross paper.
Specific embodiment
With reference to the accompanying drawing, and in conjunction with the embodiments the utility model is described further.
Embodiment:
A kind of scanner with paper sheet askew detection function, it include the first support 2 that the top of paper 16 was set,
And the second support 4 below paper 16 was set, both described first support 2 and the second support 4 one of them be arranged into
Both paper wheel 1, another setting separation wheel 3, described first support 2 and second support 4 one of them internal and close to crossing paper
16 side is symmetrical set two pairs of photoelectric sensors, and two pairs of photoelectric sensors are close to the axis of set support
Two guiding devices 7 are being arranged close to the side for crossing paper 16 inside another support in line, described two guiding devices 7 respectively with
Two pairs of photoelectric sensors are oppositely arranged up and down, and two pairs of photoelectric sensors and two guiding devices 7 are respectively positioned on paper feeding wheel 1 and divide
The rear side of paper wheel 3, each pair of photoelectric sensor include transmitter 5 and receiver 6, first support 2 and the second support 4
First through hole 8 corresponding with transmitter 5 and 6 position of receiver and the are respectively equipped on that support of middle setting photoelectric sensor
Two through-holes 9 are located at the third through-hole being equipped at the position of each guiding device 7 for receiving 5 optical signal of transmitter on another support
10 and the fourth hole 11 for optical signal launch to be returned to receiver 6, paper feeding wheel 1 is set in the present embodiment on first support 2,
Photoelectric sensor is set in the first support 2, separation wheel 3 is set on second support 4, guiding device 7 is set in the second support 4.
The utility model have the scanner of paper sheet askew detection function be arranged symmetrical two pairs of photoelectric sensors and
Guiding device 7, once skew occurs, the triggered time of two pairs of photoelectric sensors will be different, so as to poor according to the triggered time
To determine whether the angle of skew and skew, which occurs, is how many, since photoelectric sensor is not necessarily to directly contact with paper, no
Easily damage photoelectric sensor；The transmitter 5 of photoelectric sensor and receiver 6 can be made to be arranged furthermore with guiding device 7
In the same side, two pairs of photoelectric sensors are arranged on same circuit board to facilitate.
Preferably, the guiding device 7 includes matrix 12 made of translucent material, described matrix 12 is under upper width
The surface of emission 13 is arranged in the left and right sides of narrow isosceles trapezoid, described matrix 12, for passing through the optical signal into third through-hole 10
Change 180 degree after the twice emitting of the surface of emission 13 of 12 left and right sides of matrix and returned by fourth hole 11.The guiding device 7
Structure is simple, facilitates processing.
Preferably, the top surface of described matrix 12 is respectively equipped with the first salient point 14 being located in third through-hole 10 and determines
Second salient point 15 of the position in fourth hole 11, first salient point 14 and the second salient point 15 are also made of translucent material, described
The shape size of first salient point 14 and the second salient point 15 is consistent with third through-hole 10 and fourth hole 11 respectively.The setting can make to lead
Electro-optical device 7 can be located on the second support 4 by the first salient point 14 and the second salient point 15, so as to make the transmitting of photoelectric sensor
It is relatively reliable with receiving.
Preferably, the transmitter 5 of each pair of photoelectric sensor compared to receiver 6 closer to the central axes of set support,
The equal length of the length of second salient point 15 and the first salient point 14, the width of second salient point 15 is less than the first salient point 14
Width, width direction is consistent with paper feed direction, and length direction is vertical with paper feed direction.The setting not only can guarantee the first salient point
The transmitting signal of 14 energy reliable reception photoelectric sensors, and the width by reducing the second salient point 15, can reduce photoelectric sensing
The triggered time error of device.
Preferably, first salient point 14 is circle, second salient point 15 is kidney-shaped.The setting can facilitate processing.
It is mounted in corresponding support preferably, the guiding device 7 is removable, removable mounting structure uses existing skill
Art, such as buckle structure.The setting is convenient for changing when guiding device 7 damages.
Claims (5)
1. a kind of scanner with paper sheet askew detection function, it includes that the first support above paper (16) is being crossed in setting
(2) and setting cross paper (16) below the second support (4), first support (2) and the second support (4) the two its
One of setting paper feeding wheel (1), another setting separation wheel (3), it is characterised in that: first support (2) and the second support (4)
One of the two is symmetrical set two pairs of photoelectric sensors, two pairs of light in the internal and close side for crossing paper (16)
Electric transducer is close to the central axes of set support, lead inside another support close to the side setting two for crossing paper (16)
Electro-optical device (7), described two guiding devices (7) are oppositely arranged with two pairs of photoelectric sensors up and down respectively, two pairs of photoelectric transfers
Sensor and two guiding devices (7) are respectively positioned on the rear side of paper feeding wheel (1) and separation wheel (3), and each pair of photoelectric sensor wraps
Transmitter (5) and receiver (6) are included, that support of setting photoelectric sensor in first support (2) and the second support (4)
On be respectively equipped with first through hole (8) corresponding with transmitter (5) and receiver (6) position and the second through-hole (9), on another support
It is equipped with the third through-hole (10) for receiving transmitter (5) optical signal at the position of each guiding device (7) and is used to incite somebody to action
Optical signal launch returns the fourth hole (11) of receiver (6).
2. a kind of scanner with paper sheet askew detection function according to claim 1, it is characterised in that: the leaded light
Device (7) includes a matrix made of translucent material (12), and described matrix (12) is isosceles trapezoid wide at the top and narrow at the bottom, the base
The surface of emission (13) are arranged in the left and right sides of body (12), for making the optical signal into third through-hole (10) through matrix (12) left and right two
Change 180 degree after the twice emitting of the surface of emission (13) of side and is returned by fourth hole (11).
3. a kind of scanner with paper sheet askew detection function according to claim 2, it is characterised in that: described matrix
(12) top surface is respectively equipped with the first salient point (14) being located in third through-hole (10) and is located in fourth hole (11)
The second salient point (15), first salient point (14) and the second salient point (15) be also made of translucent material, first salient point
(14) and the shape size of the second salient point (15) is consistent with third through-hole (10) and fourth hole (11) respectively.
4. a kind of scanner with paper sheet askew detection function according to claim 3, it is characterised in that: each pair of photoelectricity
The transmitter (5) of sensor compares receiver (6) closer to the central axes of set support, the length of second salient point (15)
With the equal length of the first salient point (14), the width of the width of second salient point (15) less than the first salient point (14).
5. a kind of scanner with paper sheet askew detection function according to claim 4, it is characterised in that: described first
Salient point (14) is circle, and second salient point (15) is kidney-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920285774.1U CN209330211U (en) | 2019-03-06 | 2019-03-06 | A kind of scanner with paper sheet askew detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920285774.1U CN209330211U (en) | 2019-03-06 | 2019-03-06 | A kind of scanner with paper sheet askew detection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209330211U true CN209330211U (en) | 2019-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920285774.1U Active CN209330211U (en) | 2019-03-06 | 2019-03-06 | A kind of scanner with paper sheet askew detection function |
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| Country | Link |
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| CN (1) | CN209330211U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111031188A (en) * | 2019-11-28 | 2020-04-17 | 宁波华高信息科技有限公司 | Paper skew detection method of scanner based on CIS sensor |
| CN113120314A (en) * | 2021-04-29 | 2021-07-16 | 金华华东环保设备有限公司 | Bag body conveying equipment |
-
2019
- 2019-03-06 CN CN201920285774.1U patent/CN209330211U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111031188A (en) * | 2019-11-28 | 2020-04-17 | 宁波华高信息科技有限公司 | Paper skew detection method of scanner based on CIS sensor |
| CN113120314A (en) * | 2021-04-29 | 2021-07-16 | 金华华东环保设备有限公司 | Bag body conveying equipment |
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