CN201274521Y - Controller of additional apparatus for reading double side image of card - Google Patents
Controller of additional apparatus for reading double side image of card Download PDFInfo
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- CN201274521Y CN201274521Y CNU2008201193980U CN200820119398U CN201274521Y CN 201274521 Y CN201274521 Y CN 201274521Y CN U2008201193980 U CNU2008201193980 U CN U2008201193980U CN 200820119398 U CN200820119398 U CN 200820119398U CN 201274521 Y CN201274521 Y CN 201274521Y
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- card
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- turning plate
- plate
- controller
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- 230000007306 turnover Effects 0.000 claims description 10
- 230000005284 excitation Effects 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 3
- 101001017827 Mus musculus Leucine-rich repeat flightless-interacting protein 1 Proteins 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The utility model discloses a controller of an accessory device for reading the images on both sides of a card, which is characterized in that the controller comprises a minimize control unit consisting of a single chip (U7), a photoelectric sensor, a turning-plate zero sensor, a turning-plate 180-degree sensor and a motor positive-negative rotation control circuit, wherein, the output end of the photoelectric sensor is respectively connected with the input port and the output port of the single chip. For the turning-plate zero sensor and the turning plate 180-degree sensor are used to sense the current position and the rotation angle of the turning plate and are centralized to be controlled by the single chip, so under the support of the software, the image reading process at both sides of the card can be completely automatized, thereby greatly improving the double-side copying and scanning speed.
Description
Technical Field
The utility model relates to a read device of two separation images simultaneously, concretely relates to device's controller.
Background
Citizens are often required to provide copies of valid documents (e.g., identity card copies) that prove their identity when performing political, economic and social activities, and typically need to copy or scan both sides. The method of double-sided copying or scanning an identification card is generally to copy one side of the identification card on a copier or scanner, turn the identification card over (or turn the copy paper over if it is copied) and then copy the other side. This is not only cumbersome, but also time consuming, especially with the greater workload of the public security department building databases using existing identification cards. In order to solve the above problems, the present inventor has devised a device attached to a copier or a scanner for reading double-sided images of a hard card such as an identification card, and filed an invention patent application (application number: 200810074351.1) to the national office on 2/2008, the technical solution of the patent application includes a base plate having two windows with the same area as the card in the middle and matching with the working table of the copier or the scanner, a flap mechanism composed of a rotating shaft and a flap extending to one side along the generatrix of the rotating shaft, a driving device composed of a motor or an electromagnet and a 180 ° flap transmission mechanism, and a photoelectric sensor. According to the technical scheme, when one surface of the scanning lamp tube, which sweeps across the card, moves to a position below the photoelectric sensor, the driving device drives the plate turnover mechanism to turn over the card by 180 degrees and scan the other surface of the card, so that images of the front surface and the back surface of one card are respectively read in one scanning process of the scanning lamp tube. Therefore, the control scheme of the above patent application can only accurately control the turning time of the turning plate mechanism, but cannot judge the start position and the end position of the turning plate in the turning plate mechanism, so that the turning plate in the turning plate mechanism cannot automatically return to reset without manual intervention, and the continuous copying or scanning speed of a plurality of cards is seriously damaged.
Disclosure of Invention
In view of the above technical problems in the prior art, the present invention is directed to a controller for reading a double-sided image add-on device of a card, which can automatically return a turning plate in the add-on device to a reset position to increase the speed of continuous copying or scanning.
The utility model discloses realize the technical scheme of above-mentioned purpose as follows:
a controller for an add-on device for reading double-sided images of a card, the controller comprising:
a minimum control unit consisting of a singlechip, a photoelectric sensor, a turning plate zero position sensor, a turning plate 180-degree position sensor and a motor positive and negative rotation control circuit, wherein the output end of the photoelectric sensor, the turning plate zero position sensor and the turning plate 180-degree position sensor are respectively connected with an I/O port of the singlechip; wherein,
the photoelectric sensor is formed by connecting a phototriode and an amplifier, wherein the phototriode is arranged on a substrate beside a rotating shaft of the turning plate, and a photosensitive surface penetrates through the substrate to the bottom surface of the turning plate;
the 180-degree position sensor of the turning plate is served by an infrared sensor with a groove structure and is arranged on the substrate, and when the turning plate is positioned at 180 degrees, the shielding piece arranged on the turning plate is inserted into a groove between the transmitting tube and the receiving tube of the infrared sensor;
the turning plate zero position sensor is served by an infrared sensor with another groove type structure and is arranged on the substrate, and when the turning plate is in the zero position, the shielding piece arranged on the turning plate is inserted into a groove between the transmitting tube and the receiving tube of the infrared sensor;
the motor forward and reverse rotation control circuit is a double-channel push-pull power amplifier, and two output ends of the amplifier are respectively connected with two ends of a motor excitation coil.
In order to conveniently place the card into the slot on the turning plate by utilizing gravity, an improved scheme of the card double-side image reading additional device is that a notch for placing the card is arranged in the middle of the arc-shaped cover, namely when the slot arranged on the turning plate is aligned with the notch, the turning plate and the substrate form an angle larger than 45 degrees. Therefore, to ensure the improvement scheme to be well realized, two points are required to ensure that the turning plate is accurately kept at a position forming an angle of more than 45 degrees with the substrate, and whether the card falls into the slot arranged on the turning plate through the notch for placing the card is judged.
The utility model also comprises a card placing sensor and a card entering position sensor, the output end of which is connected with the I/O port of the single chip, wherein,
the card placing sensor is formed by connecting a reflective infrared sensor and a further amplifier, wherein the reflective infrared sensor is arranged at the tail end of the guide groove in the notch for placing the card;
the turnover plate card-in sensor is served by an infrared sensor with a groove-shaped structure and is arranged on a vertical plate which vertically and upwards extends from the base plate, and when the turnover plate is positioned in the card-in position, the shielding piece arranged on the turnover plate is inserted into a groove between the transmitting tube and the receiving tube of the infrared sensor.
In order to improve the efficiency, the improved scheme is additionally provided with a card outlet control circuit which consists of an electromagnet and an electronic switch connected in series in an excitation coil of the electromagnet, and the control end of the electronic switch is connected to an I/O port of the singlechip.
Because the power of the motor and the electromagnet is relatively large, when the power of the power supply is small or the battery with small capacity is used for supplying power, the normal work of the single machine is necessarily influenced at the moment when the motor or/and the electromagnet is started. The utility model provides a method of this technical problem can with power supply circuit design into two tunnel outputs, directly do all the way the power supply of motor just reversing control circuit and play card control circuit, another way is singlechip and other circuit power supplies after voltage stabilizing block or diode isolation, is in simultaneously motor just reversing control circuit and play card control circuit input add the diode reverse bias circuit of avoiding the electric current to flow backward to guarantee that whole circuit works steadily.
Because the utility model discloses the use turns over board zero-bit sensor and turns over the current position that 180 position sensor perceptions turned over the board and the corner that turns over the board to carry out centralized control by the singlechip, consequently can make the whole process full automation of the process of reading two-sided image under the support of software, greatly improved the speed of carrying out two-sided copying and scanning.
Drawings
Fig. 1 to 8 are electrical schematic diagrams of an embodiment of the present invention, in which the dotted terminals of each unit circuit are connected.
Fig. 9 is a schematic structural diagram (cross section) of an additional device for reading double-sided images of a card, which is used in cooperation with the controller shown in fig. 1-8, wherein a thick two-dot chain line indicates the card, a thin two-dot chain line indicates that the turning plate is in a moving state, and an arc-shaped double-arrow indicates a moving track of the turning plate.
Fig. 10 is a flowchart illustrating the operation of the controller according to the present invention.
Detailed Description
Fig. 1 to 8 are electrical schematic diagrams of the present embodiment, wherein fig. 1 is a control unit, which is composed of an AT2051 single chip microcomputer U7, a conventional crystal oscillator and a reset circuit; FIG. 2 shows a photoelectric sensor, which is composed of a phototriode Q1 and a negative feedback amplifier formed by connecting a B unit of an LM358 linear amplifier U3, wherein the phototriode Q1 is connected with the negative feedback amplifier branch positive input end, and the output end of the B unit of the linear amplifier U3 is connected with an I/O port P14 of a singlechip U7; FIG. 3 shows a flap 180 degree position sensor, a flap zero position sensor and a flap in-position sensor, which are respectively served by a groove-type infrared sensor U5, U4 and U6, and the output ends of the infrared sensors U5, U4 and U6 are respectively connected with I/O ports P32, P33 and P15 of a single chip microcomputer U7; FIG. 4 shows a card sensor, which is composed of a reflective infrared sensor U2 and a negative feedback amplifier formed by connecting the A unit of an LM358 linear amplifier U3, wherein the reflective infrared sensor U2 is connected to the positive input end of the negative feedback amplifier, and the output end of the A unit of the linear amplifier U3 is connected with the I/O port P13 of a singlechip U7; FIG. 5 shows a motor forward/reverse rotation control circuit, which is served by an L9110 dual-channel push-pull power amplifier U8, two output terminals OA and OB of the amplifier U8 are respectively connected to two ends of an exciting coil of a motor M1, two input terminals IA and IB of the amplifier U8 are respectively connected with I/O ports P16 and P17 of a singlechip U7 after being reversely biased by diodes D1 and D2; fig. 6 shows a card-out control circuit, which is composed of an electromagnet M2 and an electronic switch composed of a transistor Q4 connected in series with the exciting coil of the electromagnet M2, wherein the base of the transistor Q4 is reversely biased by a diode D3 and then connected to an I/O port P11 of a single chip U7; FIG. 7 is a prompting voice circuit, the circuit buzzer P1 and an electronic switch composed of a three-machine tube Q5 are connected in series, wherein the base electrode of the three-machine tube Q5 is connected with an I/O port P10 of a single chip microcomputer U7; fig. 8 shows a power supply circuit, which is composed of a diode D4 and filter capacitors C1, C2, C3 and C4 connected in parallel to the input and output terminals of D4.
Referring to fig. 9, a phototransistor Q1 shown in fig. 2 is numbered 4, and is disposed on the substrate 3 beside the rotating shaft 2 of the turning plate 1, and the photosensitive surface passes through the substrate 3 to the bottom surface of the turning plate 1; the infrared sensors U4, U5 and U6 in the groove-shaped structure shown in fig. 3 are respectively numbered 5, 6 and 7, wherein the infrared sensor 5 is arranged on the substrate 3 at the right side of the rotating shaft 2 (i.e. at the position where the turning plate 1 is in the zero position), the infrared sensor 6 is arranged on the substrate 3 at the left side of the rotating shaft 2 (i.e. at the position where the turning plate 1 is at 180 °), and the infrared sensor 7 is arranged on the vertical plate 8 at the left side of the rotating shaft 2 extending vertically upwards from the substrate 3 (i.e. at the position where the turning plate 1 is in the clamping position); the reflective infrared sensor U2 shown in FIG. 4, numbered 11, is located at the end of the guide slot 9 within the notch in which the card 10 is placed; electromagnet M2, shown in fig. 6 and numbered 12, is provided on flap 1.
Referring to fig. 9 and 10 in conjunction with fig. 1 to 8, the controller of the present invention operates as follows:
after the power is switched on, the single chip microcomputer U7 resets, whether the turnover plate 1 is in the card entering position or not is detected, if yes, the card 10 is placed under the voice prompt of a buzzer P1, and if not, the turnover plate is turned to the card entering position and then the card is placed; after the card 10 is placed in the card slot, the reflective infrared sensor 11 detects whether the card 10 passes through, if the card passing through the buzzer P1 is not detected within a preset time, a warning sound is given to remind an operator to place the card 10 or check a fault, and once the card passes through the tail end of the guide slot 9, the turning plate 1 automatically turns to a zero position; then the operator is prompted by voice to start the copying machine or the scanner, one side of the card reading sheet 10 shows that one side of the card 10 is read when the scanning lamp passes through the phototriode 4, and the turning plate 1 rotates to 180 degrees rapidly at the moment; the scanning lamp continues to advance, when the scanning lamp crosses the rotating shaft 2 of the turning plate 1, the scanning lamp starts to read the other side image of the card 10 until the scanning lamp automatically returns, the turning plate 1 automatically rotates to the card entering position, the electromagnet 12 pushes the card 10 out to wait for the insertion of the next card.
Claims (4)
1. A controller for an add-on device for reading double-sided images of a card, the controller comprising:
a minimum control unit consisting of a singlechip (U7), a photoelectric sensor with an output end connected with an I/O port of the singlechip respectively, a turning plate zero position sensor, a turning plate 180-degree position sensor and a motor positive and negative rotation control circuit with a control end connected with the I/O port of the singlechip; wherein,
the photoelectric sensor is formed by connecting a phototriode (Q1) and an amplifier (U3B), wherein the phototriode (Q1) is arranged on the substrate (3) beside the rotating shaft (2) of the turning plate (1), and the light sensing surface penetrates through the substrate (3) to the bottom surface of the turning plate (1);
the 180-degree position sensor of the turning plate is served by an infrared sensor (U5) with a groove structure and is arranged on the substrate (3), and when the turning plate (1) is in a 180-degree position, the shielding piece arranged on the turning plate (1) is inserted into a groove between the transmitting tube and the receiving tube of the infrared sensor;
the turning plate zero position sensor is served by an infrared sensor (U4) with another groove type structure and is arranged on the substrate (3), and when the turning plate (1) is in the zero position, the shielding sheet arranged on the turning plate (1) is inserted into a groove between the transmitting tube and the receiving tube of the infrared sensor;
the motor forward and reverse rotation control circuit is a double-channel push-pull power amplifier (L9110), and two output ends of the amplifier are respectively connected to two ends of an excitation coil of the motor (M1).
2. The controller for an additional apparatus for reading double-sided images of cards of claim 1, further comprising a card placement sensor and a card feeding position sensor having output terminals connected to the I/O port of said single chip microcomputer (U7), wherein,
the card placing sensor is formed by connecting a reflective infrared sensor (U2) and a further amplifier (U3A), wherein the reflective infrared sensor (U2) is arranged at the tail end of the guide groove (9) positioned in the notch of the card placing piece (10);
the turnover plate card-in sensor is served by an infrared sensor (U6) with a groove-shaped structure and is arranged on a vertical plate (8) vertically and upwards extending from the base plate (3), and when the turnover plate (1) is in a card-in position, a shielding sheet arranged on the turnover plate (1) is inserted into a groove between a transmitting tube and a receiving tube of the infrared sensor.
3. A controller for an additional device for reading double-sided images of cards according to claim 2, characterized in that the controller further comprises a card-out control circuit, the circuit is composed of an electromagnet (M2) and an electronic switch connected in series with an exciting coil of the electromagnet, and the control end of the electronic switch is connected to the I/O port of the single chip microcomputer (U7).
4. A controller for a device for reading double-sided images of cards as defined in claim 1, 2 or 3, wherein the controller further comprises a power circuit comprising a diode (D4) and a filter capacitor connected in parallel to an input terminal and an output terminal of the diode (D4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201193980U CN201274521Y (en) | 2008-07-04 | 2008-07-04 | Controller of additional apparatus for reading double side image of card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201193980U CN201274521Y (en) | 2008-07-04 | 2008-07-04 | Controller of additional apparatus for reading double side image of card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201274521Y true CN201274521Y (en) | 2009-07-15 |
Family
ID=40884859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201193980U Expired - Fee Related CN201274521Y (en) | 2008-07-04 | 2008-07-04 | Controller of additional apparatus for reading double side image of card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201274521Y (en) |
-
2008
- 2008-07-04 CN CNU2008201193980U patent/CN201274521Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090715 Termination date: 20100704 |