CN100555147C - Accurate detent mechanism of paper banknote identifying movement position multiple optical coupling differential and localization method thereof - Google Patents

Accurate detent mechanism of paper banknote identifying movement position multiple optical coupling differential and localization method thereof Download PDF

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Publication number
CN100555147C
CN100555147C CNB2007100216896A CN200710021689A CN100555147C CN 100555147 C CN100555147 C CN 100555147C CN B2007100216896 A CNB2007100216896 A CN B2007100216896A CN 200710021689 A CN200710021689 A CN 200710021689A CN 100555147 C CN100555147 C CN 100555147C
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circuit
tachometer disc
detent mechanism
photoelectrical coupler
photoelectrical
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CN101051231A (en
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李庆宁
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Abstract

Accurate detent mechanism of paper banknote identifying movement position multiple optical coupling differential of the present invention and localization method thereof relate to is a kind of detent mechanism and localization method thereof that the bank note that matches, bill such as facility are differentiated movement position of checking with bank note money counter, cleaning-sorting machine, paper-bill.Structure comprises tachometer disc, several photoelectrical couplers, pulsing circuit; Tachometer disc is installed in checks facility transmission shaft one side, at the tachometer disc edge several photoelectrical couplers is housed, and installing space constitutes the differential position relation between the photoelectrical coupler, and photoelectric coupler output end links to each other with the pulsing circuit input end; Pulsing circuit comprises monostalbe trigger, OR circuit, multiple frequence circuit; The monostalbe trigger signal input part links to each other with photoelectric coupler output end respectively, the monostalbe trigger output terminal links to each other with the OR circuit input end, the OR circuit output terminal links to each other with the multiple frequence circuit input end, and multiple frequence circuit signal output terminal provides control system A/D converter real-time sampling clock signal by signal wire.

Description

Accurate detent mechanism of paper banknote identifying movement position multiple optical coupling differential and localization method thereof
Technical field
Accurate detent mechanism of paper banknote identifying movement position multiple optical coupling differential of the present invention and localization method thereof relate to is a kind of and bank note money counter, cleaning-sorting machine, paper-bill check facility etc. the bank note that matches, detent mechanism and the localization method thereof that bill is differentiated movement position.
Background technology
At present, paper banknote identifying movement position in bank note money counter, the cleaning-sorting machine, intrinsic clock signal is as looking the estimated value of surveying the thing move distance in the facility circuit of using, like this, when the measurement of looking when surveying thing and moving in passage is the estimated value of an open loop, incomplete same with the actual motion of measured object, as pausing, not at the uniform velocity, the result who causes is estimated value and actual value disengaging.
Summary of the invention
The objective of the invention is provides accurate detent mechanism of a kind of paper banknote identifying movement position multiple optical coupling differential and localization method thereof at above-mentioned weak point, adopt high density overlength serration tachometer disc, at the tachometer disc edge several photoelectrical couplers are housed, utilize each photoelectrical coupler assembling to produce pulse signal, offer the control system A/D converter as synchronizing clock signals, utilize the multiple frequence circuit to produce the high density position pulse again, realize the accurate in real time location of paper banknote identifying movement position.
Accurate detent mechanism of paper banknote identifying movement position multiple optical coupling differential and localization method thereof take following scheme to realize: the accurate detent mechanism of paper banknote identifying movement position multiple optical coupling differential comprises tachometer disc, several photoelectrical couplers, pulsing circuit.Tachometer disc is installed in checks facility transmission shaft one side, at the tachometer disc edge several photoelectrical couplers is housed, and installing space constitutes the differential position relation between the photoelectrical coupler.Photoelectric coupler output end links to each other with the pulsing circuit input end.Photoelectrical coupler is installed on the photoelectricity coupled circuit mounting bracket.Pulsing circuit comprises monostalbe trigger, OR circuit, multiple frequence circuit.Monostalbe trigger is provided with several, its signal input part links to each other with photoelectric coupler output end respectively, several monostalbe trigger output terminals link to each other with the OR circuit input end, the OR circuit output terminal links to each other with the multiple frequence circuit input end, and multiple frequence circuit signal output terminal offers control system A/D converter real-time sampling clock signal by signal wire.
Photoelectrical coupler installing space=n.t+t/x, wherein n crosses over the tachometer disc number of teeth between the photoelectrical coupler, and t is the tachometer disc space width, and x is a photoelectrical coupler quantity.
The localization method of the accurate detent mechanism of paper banknote identifying movement position multiple optical coupling differential: when the tachometer disc on being contained in transmission shaft turns round, the runner drive bank note or the paper-bill that are contained on the transmission shaft advance, advance amount is corresponding with the tooth pitch on the tachometer disc, be contained in several photoelectrical couplers at tachometer disc edge, produce and the corresponding pulse number of bank note advance amount simultaneously, because the photoelectrical coupler installing space becomes the differential position relation, photoelectrical coupler installing space=n.t+t/x, wherein n crosses over the tachometer disc number of teeth between the photoelectrical coupler, t is the tachometer disc space width, and x is a photoelectrical coupler quantity.The inter-train pause that several photoelectrical couplers produce is corresponding with the facewidth, meet the difference relation between the pulse that makes several photoelectrical couplers produce, the pulse signal that several photoelectrical couplers produce, flow to monostalbe trigger respectively, after carrying out the forward position extraction, carry out the signal stack through OR circuit, be merged into the clock signal of continuous 50% dutycycle simultaneously, flowing to the multiple frequence circuit again carries out exporting after the process of frequency multiplication, clock signal is provided for control system A/D converter real-time sampling, further the advance amount of bank note or paper-bill is measured in refinement, thereby make control system obtain accurate accurate positioning reference signal in real time, be used for the control detection sensor bank note or the paper-bill of motion are accurately located.
Accurate detent mechanism of paper banknote identifying movement position multiple optical coupling differential and localization method are reasonable in design, simple in structure, adopt closed-loop measuring, and be real-time, the resolution height, and the bearing accuracy height can overcome the measured medium movement velocity and change the measuring error that causes.For various bank note discriminating means provide good reference signal.
Description of drawings
The invention will be further described below with reference to accompanying drawing.
Fig. 1 is the accurate detent mechanism synoptic diagram of paper banknote identifying movement position multiple optical coupling differential.
Fig. 2 is the electrical principles block diagram of the accurate detent mechanism of paper banknote identifying movement position multiple optical coupling differential.
Fig. 3 is the pulse signal synoptic diagram of the accurate detent mechanism of paper banknote identifying movement position multiple optical coupling differential.
Embodiment
With reference to accompanying drawing 1~3, accurate detent mechanism of paper banknote identifying movement position multiple optical coupling differential and localization method mechanism comprise tachometer disc 1, several photoelectrical couplers 3, pulsing circuit 4.Tachometer disc 1 is installed in checks facility transmission shaft one side, at tachometer disc 1 edge several photoelectrical couplers 3 is housed, and installing space constitutes the differential position relation between the photoelectrical coupler 3.Photoelectrical coupler 3 output terminals link to each other with pulsing circuit 4 input ends.Photoelectrical coupler 3 is installed on the photoelectricity coupled circuit mounting bracket 5.Pulsing circuit 4 comprises monostalbe trigger, OR circuit, multiple frequence circuit.Monostalbe trigger is provided with several, its signal input part links to each other with photoelectric coupler output end respectively, several monostalbe trigger output terminals link to each other with the OR circuit input end, the OR circuit output terminal links to each other with the multiple frequence circuit input end, and multiple frequence circuit signal output terminal offers control system A/D converter real-time sampling clock signal by signal wire.
Tachometer disc 1 is a high density serration dish, and the shape tooth of tachometer disc tooth 2 adopts the overlength serration, and the number of teeth is 140~200 teeth.
Photoelectrical coupler installing space=n.t+t/x, wherein n crosses over the tachometer disc number of teeth between the photoelectrical coupler, and the size of n depends on the physical dimension of photoelectrical coupler, n is 10~50, and t is the tachometer disc space width, and t is 0.5~2mm, x is a photoelectrical coupler quantity, and x is 2~6.
Photoelectricity coupling device 3 adopts the SG-215 photoelectrical coupler.Monostalbe trigger adopts the HC122 integrated chip.OR circuit can adopt some 1N4148 diodes, resistance to connect to form OR circuit, and wherein number of diodes is identical with photoelectrical coupler.OR circuit also can adopt or the door chip.The multiple frequence circuit adopts HC74 integrated chip etc.
The localization method of the accurate detent mechanism of paper banknote identifying movement position multiple optical coupling differential: when the tachometer disc on being contained in main shaft turns round, advance with the friction pulley drive bank note or the paper-bill that are contained on the main shaft, advance amount is corresponding with tachometer disc tooth 2 tooth pitches on the tachometer disc 1, be contained in several photoelectrical couplers 3 at tachometer disc 1 edge, produce and the corresponding pulse number of bank note advance amount simultaneously, because the photoelectrical coupler installing space becomes the differential position relation, photoelectrical coupler installing space=n.t+t/x, wherein n crosses over the tachometer disc number of teeth between the photoelectrical coupler, the size of n depends on the physical dimension of photoelectrical coupler, n is 10~50, t is the tachometer disc space width, t is 0.5~2mm, and x is a photoelectrical coupler quantity, and x is 2~6.The inter-train pause that several photoelectrical couplers produce is corresponding with the facewidth, meet the difference relation between the pulse that makes several photoelectrical couplers produce, the pulse signal that several photoelectrical couplers produce, flow to monostalbe trigger respectively, after carrying out the forward position extraction, carry out the signal stack through OR circuit, be merged into the clock signal of continuous 50% dutycycle simultaneously, flowing to the multiple frequence circuit again carries out exporting after the process of frequency multiplication, clock signal is provided for control system A/D converter real-time sampling, further the advance amount of bank note or paper-bill is measured in refinement, thereby make control system obtain accurate accurate positioning reference signal in real time, be used for the control detection sensor bank note or the paper-bill of motion are accurately located.Location survey resolution of the present invention can reach 0.05mm~0.3mm.

Claims (5)

1, the accurate detent mechanism of a kind of paper banknote identifying movement position multiple optical coupling differential is characterized in that structure comprises tachometer disc, several photoelectrical couplers, pulsing circuit; Tachometer disc is installed in checks facility transmission shaft one side, at the tachometer disc edge several photoelectrical couplers are housed, installing space constitutes the differential position relation between the photoelectrical coupler, be described installing space=nt+t/x, wherein n crosses over the tachometer disc number of teeth between the photoelectrical coupler, t is the tachometer disc space width, x is a photoelectrical coupler quantity, photoelectric coupler output end links to each other with the pulsing circuit input end, photoelectrical coupler is installed on the photoelectricity coupled circuit mounting bracket, and pulsing circuit comprises monostalbe trigger, OR circuit, multiple frequence circuit; Monostalbe trigger is provided with several, its signal input part links to each other with photoelectric coupler output end respectively, several monostalbe trigger output terminals link to each other with the OR circuit input end, the OR circuit output terminal links to each other with the multiple frequence circuit input end, and multiple frequence circuit signal output terminal offers control system A/D converter real-time sampling clock signal by signal wire.
2, the accurate detent mechanism of paper banknote identifying movement position multiple optical coupling differential according to claim 1 is characterized in that the tachometer disc number of teeth is 140~200 teeth.
3, the localization method of the accurate detent mechanism of a kind of paper banknote identifying movement position multiple optical coupling differential, when it is characterized in that the tachometer disc running on being contained in transmission shaft, the runner drive bank note or the paper-bill that are contained on the transmission shaft advance, advance amount is corresponding with the tooth pitch on the tachometer disc, be contained in several photoelectrical couplers at tachometer disc edge, produce and the corresponding pulse number of bank note advance amount simultaneously, because the photoelectrical coupler installing space becomes the differential position relation, be described installing space=nt+t/x, wherein n crosses over the tachometer disc number of teeth between the photoelectrical coupler, t is the tachometer disc space width, x is a photoelectrical coupler quantity, the inter-train pause that several photoelectrical couplers produce is corresponding with the facewidth, meet the difference relation between the pulse that makes several photoelectrical couplers produce, the pulse signal that several photoelectrical couplers produce, flow to monostalbe trigger respectively, after carrying out the forward position extraction, carry out the signal stack through OR circuit, be merged into the clock signal of continuous 50% dutycycle simultaneously, flowing to the multiple frequence circuit again carries out exporting after the process of frequency multiplication, clock signal is provided for control system A/D converter real-time sampling, further the advance amount of bank note or paper-bill is measured in refinement, thereby make control system obtain accurate accurate positioning reference signal in real time, be used for the control detection sensor bank note or the paper-bill of motion are accurately located.
4, the localization method of the accurate detent mechanism of paper banknote identifying movement position multiple optical coupling differential according to claim 3, it is characterized in that photoelectrical coupler installing space=nt+t/x, wherein n crosses over the tachometer disc number of teeth between the photoelectrical coupler, n is 10~50, t is the tachometer disc space width, t is 0.5~2mm, and x is a photoelectrical coupler quantity, and x is 2~6.
5, the localization method of the accurate detent mechanism of paper banknote identifying movement position multiple optical coupling differential according to claim 3 is characterized in that the location survey resolution reaches 0.05mm~0.3mm.
CNB2007100216896A 2007-04-25 2007-04-25 Accurate detent mechanism of paper banknote identifying movement position multiple optical coupling differential and localization method thereof Expired - Fee Related CN100555147C (en)

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Publication number Priority date Publication date Assignee Title
CN204087346U (en) * 2014-07-11 2015-01-07 山东新北洋信息技术股份有限公司 Play mechanism of paper, paper money processing machine and laminated medium processing unit
CN109741515A (en) * 2019-01-11 2019-05-10 上海古鳌电子科技股份有限公司 A kind of system and its working method that bill is checked and stored
CN113140066B (en) * 2020-01-17 2023-11-10 深圳怡化电脑股份有限公司 Control method of reverser and financial self-service equipment

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
一种新型可靠的倍频鉴相输出电路. 谭晓东,张永利.电子技术应用,第1995年第7期. 1995
一种新型可靠的倍频鉴相输出电路. 谭晓东,张永利.电子技术应用,第1995年第7期. 1995 *

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