CN2546965Y - Strain measuring paper memory clearing & classifying machine double-sheet money detecting apparatus - Google Patents
Strain measuring paper memory clearing & classifying machine double-sheet money detecting apparatus Download PDFInfo
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- CN2546965Y CN2546965Y CN 02209299 CN02209299U CN2546965Y CN 2546965 Y CN2546965 Y CN 2546965Y CN 02209299 CN02209299 CN 02209299 CN 02209299 U CN02209299 U CN 02209299U CN 2546965 Y CN2546965 Y CN 2546965Y
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- chip microcomputer
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- detection wheel
- double
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- 238000001514 detection method Methods 0.000 claims abstract description 35
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000011888 foil Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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- Inspection Of Paper Currency And Valuable Securities (AREA)
Abstract
A double notes detection device of strain measurement note counting and sorting device belongs to the field of note counting and sorting devices, in which the shortcoming of the large error of the double notes detection in the prior counting and sorting machine is overcome. The detection of double and continuous notes can be accurately proceeded. A drive shaft driven through a motor of the utility model is in a fixed link with a detection wheel in which the above is horizontally provided with a cantilever sensor linked with an A / D interface of single chip microcomputer. One end of the cantilever sensor is fixed on a fixed frame, and the other end is provided with a bearing which can be flexibly rotated through a stent. The bearing is pressed on the detection wheel through the elastic pressure. Any end surface of the drive shaft is provided with a retaining strip, and an optocouplter is provided and matched with the retaining strip. The output of the octocoupler is connected to an interrupt input port of the single chip microcomputer. A pair of infrared photoelectric tubes to detect the availability of the notes is in fixed installation on the corresponding radial positions of the detection wheel and the bearing, which is connected to the input port of a comparator of the single chip microcomputer. The utility model is primarily applied in the detection of double and continuous notes in note counting and sorting devices.
Description
Affiliated field
The utility model relates to a kind of strain measuring type paper currency sorter double-sheet money pick-up unit, belongs to the paper currency sorter field.
Background technology
Along with socioeconomic continuous development, the circulation of cash is increasing, and cash work of treatment has become one of hard work of each financial institution; Particularly along with the ATM ATM (Automatic Teller Machine) reaches the widespread use of selling payment system automatically, it is particularly heavy and important that the work of cash sorting has become.The patent No. is that 96122926.8 patent of invention discloses a kind of paper money plate and cash outlet wheel of using down and carries out two devices that detect of opening; The patent No. is that 00225713.0 utility model patent discloses and a kind of banknote placed on the paper money platform, carry out two devices that detect of opening by motor-driven conveying belt and sth. made by twisting paper money wheel, but because the error of installing and making has caused the measuring error of these two kinds of cleaning-sorting machines very big.
Summary of the invention
The purpose of this utility model provides a kind of can carrying out accurately and two open, connects and open strain measuring type paper currency sorter double-sheet money pick-up units that detect.
The technical solution of the utility model realizes as follows: a kind of strain measuring type paper currency sorter double-sheet money pick-up unit, comprise main drive shaft, detection wheel, bearing, support, fixed mount, cantilever beam sensor, catch, photoelectrical coupler, infrared electro is to pipe and single-chip microcomputer, main drive shaft and detection wheel that motor drags are fixed together, its design feature is, the detection wheel upper horizontal is installed the cantilever beam sensor that is connected with Chip Microcomputer A/D interface, cantilever beam sensor one end is fixed on the fixed mount, the other end is installed the bearing that can rotate flexibly by support, bearing is pressed on the detection wheel by elastic pressure, a catch is installed on arbitrary end face of main drive shaft, with the catch coupling photoelectrical coupler is installed, the output of photoelectrical coupler connects the interruption input port of single-chip microcomputer, fixedly mount infrared electro that a pair of detection banknote has or not to pipe at the radially correspondence position of detection wheel and bearing, infrared electro is connected with the comparer input port of single-chip microcomputer pipe.
Aforesaid cantilever beam sensor comprises bridge circuit of being made up of resistance strain gage and the instrument amplifier that faint foil gauge variable signal is amplified, and instrument amplifier is connected with the A/D interface of single-chip microcomputer.
The utility model is owing to the radially correspondence position at detection wheel and bearing has fixedly mounted a pair of infrared electro to pipe, and infrared electro is connected with the comparer input port of single-chip microcomputer pipe, and whether just can accurately detect has banknote to pass through.The utility model is again owing to install a catch on arbitrary end face of rotation axis, with the catch coupling photoelectrical coupler has been installed, the output of photoelectrical coupler has inserted the interruption input port of single-chip microcomputer, thereby corrected the error of bringing to measurement during greater than the thickness of a banknote when the diameter run-out of detection wheel, helped the thickness that single-chip microcomputer accurately calculates banknote.Compare with prior art, have make to install easily, error is little, detect accurate characteristics.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is a circuit frame principle figure of the present utility model;
Fig. 4 is a circuit working schematic diagram of the present utility model.
Embodiment
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the utility model comprise main drive shaft 2, detection wheel 1, bearing 4, support 5, fixed mount 7, cantilever beam sensor 6, catch 9, photoelectrical coupler 10, infrared electro to manage 3 with single-chip microcomputer 8, main drive shaft 2 and detection wheel 1 that motor drags are fixed together.Detection wheel 1 upper horizontal is installed the cantilever beam sensor 6 that is connected with single-chip microcomputer 8 A/D interfaces, cantilever beam sensor 6 one ends are fixed on the fixed mount 7, the other end is installed the bearing 4 that can rotate flexibly by support 5, bearing 4 is pressed on the detection wheel 1 by elastic pressure, a catch 9 is installed on arbitrary end face of main drive shaft 2, with catch 9 couplings photoelectrical coupler 10 is installed, the output of photoelectrical coupler 10 connects the interruption input port of single-chip microcomputer 8, fixedly mount infrared electro that a pair of detection banknote has or not to managing 3 at the radially correspondence position of detection wheel 1 and bearing 4, infrared electro is connected with the comparer input port of single-chip microcomputer 8 managing 3.Comprise bridge circuit of being made up of resistance strain gage and the instrument amplifier that faint foil gauge variable signal is amplified on cantilever beam sensor 6, instrument amplifier is connected with the A/D interface of single-chip microcomputer 8.
Using method of the present utility model is summarized as follows: when banknote is sent between detection wheel 1 and the bearing 4, because detection wheel 1 is fixed, so bearing 4 upwards lifts the thickness of a banknote, and the displacement of a stiff thickness of end generation of drive support 5, thereby the strain value of the foil gauge on the cantilever beam sensor 6 is changed, strain signal amplifies through instrument amplifier, sends into the A/D interface of single-chip microcomputer 8.When main drive shaft 2 rotated a circle, the washer 9 blocking optocouplers on the main drive shaft 2 once produced a negative pulse, photoelectrical coupler 10 is input to the interruption input port of single-chip microcomputer 8 with this negative pulse, initialization A/D sampling routine, and as starting point, at set intervals, regularly carry out the A/D conversion.Because a bit corresponding for certain on the negative edge of the negative pulse that optocoupler produces and detection wheel 1 circumference, be that negative pulse always takes place when this point of detection wheel 1 turns on certain position, therefore in the A/D value that does not have banknote to enter detection wheel 1 and bearing specified point on 4 weeks, eliminated the error that the diameter run-out of detection wheel brings to measurement greater than a stiff thickness.Simultaneously infrared electro to manage 3 utilize banknote by the time being in the light effect, obtain the comparer input port that electric signal that banknote has or not is also sent into this signal single-chip microcomputer 8, judged whether that by single-chip microcomputer 8 banknote enters between detection wheel 1 and the bearing 4.When not having banknote to enter, single-chip microcomputer 8 is stored in the A/D conversion value in one section zone of internal RAM, when having detected banknote and entered, single-chip microcomputer 8 deducts the A/D conversion value A/D value of same point when not having banknote, can calculate the one-tenth-value thickness 1/10 of banknote, this one-tenth-value thickness 1/10 that calculates is stored in another zone of internal RAM.Therefore, when two banknotes passed through detection wheel 1 and bearing 4, the displacement of cantilever beam sensor 6 doubled, and the stiff thickness value that calculates also doubles, and can determine that thus two banknotes of opening pass through.
Claims (2)
1. strain measuring type paper currency sorter double-sheet money pick-up unit, comprise main drive shaft (2), detection wheel (1), bearing (4), support (5), fixed mount (7), cantilever beam sensor (6), catch (9), photoelectrical coupler (10), infrared electro is to pipe (3) and single-chip microcomputer (8), the main drive shaft that motor drags (2) is fixed together with detection wheel (1), it is characterized in that, detection wheel (1) upper horizontal is installed the cantilever beam sensor (6) that is connected with single-chip microcomputer (8) A/D interface, cantilever beam sensor (6) one ends are fixed on the fixed mount (7), the other end is installed the bearing (4) that can rotate flexibly by support (5), bearing (4) is pressed on the detection wheel (1) by elastic pressure, a catch (9) is installed on arbitrary end face of main drive shaft (2), with catch (9) coupling photoelectrical coupler (10) is installed, the output of photoelectrical coupler (10) connects the interruption input port of single-chip microcomputer (8), fixedly mount infrared electro that a pair of detection banknote has or not to pipe (3) at the radially correspondence position of detection wheel (1) and bearing (4), infrared electro is connected with the comparer input port of single-chip microcomputer (8) pipe (3).
2. strain measuring type paper currency sorter double-sheet money pick-up unit as claimed in claim 1, it is characterized in that, described cantilever beam sensor (6) comprises bridge circuit of being made up of resistance strain gage and the instrument amplifier that faint foil gauge variable signal is amplified, and instrument amplifier is connected with the A/D interface of single-chip microcomputer (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02209299 CN2546965Y (en) | 2002-04-17 | 2002-04-17 | Strain measuring paper memory clearing & classifying machine double-sheet money detecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02209299 CN2546965Y (en) | 2002-04-17 | 2002-04-17 | Strain measuring paper memory clearing & classifying machine double-sheet money detecting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2546965Y true CN2546965Y (en) | 2003-04-23 |
Family
ID=33689752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02209299 Expired - Fee Related CN2546965Y (en) | 2002-04-17 | 2002-04-17 | Strain measuring paper memory clearing & classifying machine double-sheet money detecting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2546965Y (en) |
-
2002
- 2002-04-17 CN CN 02209299 patent/CN2546965Y/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 | ||
| C56 | Change in the name or address of the patentee |
Owner name: 100083 Free format text: FORMER NAME OR ADDRESS: 100084 |
|
| CP03 | Change of name, title or address |
Postcode after: 100083 Postcode before: 100084 |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |