WO2013034022A1 - 薄片类物品分离机构及其控制方法和控制系统 - Google Patents

薄片类物品分离机构及其控制方法和控制系统 Download PDF

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Publication number
WO2013034022A1
WO2013034022A1 PCT/CN2012/078347 CN2012078347W WO2013034022A1 WO 2013034022 A1 WO2013034022 A1 WO 2013034022A1 CN 2012078347 W CN2012078347 W CN 2012078347W WO 2013034022 A1 WO2013034022 A1 WO 2013034022A1
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WO
WIPO (PCT)
Prior art keywords
wheel
medium
sheet
banknote
separated
Prior art date
Application number
PCT/CN2012/078347
Other languages
English (en)
French (fr)
Inventor
赖中武
殷发志
孙志强
Original Assignee
广州广电运通金融电子股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 广州广电运通金融电子股份有限公司 filed Critical 广州广电运通金融电子股份有限公司
Priority to EP12830035.7A priority Critical patent/EP2620398B1/en
Priority to US13/883,993 priority patent/US8851473B2/en
Priority to AU2012306907A priority patent/AU2012306907B2/en
Publication of WO2013034022A1 publication Critical patent/WO2013034022A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/02—Separating articles from piles using friction forces between articles and separator
    • B65H3/04—Endless-belt separators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/02—Separating articles from piles using friction forces between articles and separator
    • B65H3/06—Rollers or like rotary separators
    • B65H3/063—Rollers or like rotary separators separating from the bottom of pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/02—Separating articles from piles using friction forces between articles and separator
    • B65H3/06—Rollers or like rotary separators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/02—Separating articles from piles using friction forces between articles and separator
    • B65H3/06—Rollers or like rotary separators
    • B65H3/0676—Rollers or like rotary separators with two or more separator rollers in the feeding direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
    • B65H3/52—Friction retainers acting on under or rear side of article being separated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
    • B65H7/06—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B65H2511/22—Distance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/13—Parts concerned of the handled material
    • B65H2701/131—Edges
    • B65H2701/1311—Edges leading edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/13—Parts concerned of the handled material
    • B65H2701/131—Edges
    • B65H2701/1313—Edges trailing edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/1912—Banknotes, bills and cheques or the like

Definitions

  • the invention relates to a Chinese patent office, the application number is 201110265863.8, and the invention name is "a sheet-like article separation mechanism and a control method and control system thereof" on September 8, 2011.
  • Priority of Chinese Patent Application the entire contents of which is incorporated herein by reference.
  • BACKGROUND OF THE INVENTION 1.
  • the present invention relates to the field of financial automation equipment, and more particularly to a separation mechanism for processing a sheet medium and a check sheet-like article, a control method therefor, and a control system, which are mainly used in the field of a stack of sheet-like article separation apparatuses and the like.
  • the prior art sheet-like article separating mechanism especially the separating mechanism of the sheet medium, generally adopts a separation method in which the speed of the bill-selling wheel is constant, and one sheet of medium is separated per revolution and the bill-removing rubber is required to be used only once with the sheet medium. contact.
  • a separating mechanism has components such as a pickup roller, a reverse wheel, a dividing wheel, and a motor for separating the sheet medium.
  • the control motor When the stack of sheet-like articles is placed on the bill-receiving wheel, the control motor is operated to drive the bill-carrying wheel and the bill-carrying wheel to rotate synchronously; after the bill-carrying wheel sends the sheet medium to the bill-carrying wheel, the bill-distributing wheel and the reversing wheel will be The sheet medium is separated and then taken away by the subsequent passage; thus, the repeated stacking of the medium can be separated.
  • different media have different shapes and sizes, such as the difference in size between the banknote and the check.
  • the number of turns of the dividing roller will be inconsistent for each sheet of the sheet, so that the spacing between the separated sheet media is different: if the spacing between the sheets is due to Too small, the commutator response time in the subsequent channel is insufficient, which is likely to cause the card machine, which may cause jamming due to insufficient reaction time of the commutator during commutation; if the spacing is set too large, resources are wasted; If the spacing of the sheet media on the process is too small, the banknote processing will be done (one of the reasons for banknote rejection), which will increase the rate of banknotes and affect the operation of the machine.
  • the volume of the dividing wheel can be very large.
  • a check with a length of 250 mm is separated in this way, and the required dispensing roller has a diameter of at least 79.5 mm, which has a certain influence on a device requiring a small volume; at the same time, the moment of inertia of the dividing roller is also ⁇ Large, resulting in an increase in the load on the motor.
  • an object of the present invention is to provide a sheet-like article separating mechanism, a control method thereof and a control system thereof, which can effectively solve the problem that the spacing of media of different lengths is different after separation.
  • a sheet-like article separating mechanism comprising a bill-carrying wheel assembly and a bill-distributing wheel assembly synchronously driven by a bill-carrying wheel motor, driven by a power-distributing power wheel motor
  • the dispensing roller of the dividing roller assembly is equipped with a dispensing rubber, and the dispensing rubber can only contact the medium once after rotating with the dividing roller, and the head of the medium is separated at the current separation.
  • the front speed limit of the preset speed adjustment interval corresponds to the maximum allowable medium length position in front of the minimum distance between the money dividing wheel and the reverse wheel
  • the rear speed limit of the preset speed adjustment interval corresponds to the ending position of the money dividing rubber on the money dividing wheel.
  • the preset medium separation interval is a product of a safe commutation reaction time of the commutator in the medium separation channel and a medium transmission speed.
  • the power wheel assembly is connected with the banknote rear power wheel assembly and the banknote roller assembly.
  • the first rear pressing wheel and the second rear pressing wheel are disposed above the power synchronous belt after the dispensing, wherein: the first rear pressing wheel is close to the dividing gap position formed by the dividing roller and the reverse wheel; The second rear pressure roller is close to the position of the power wheel assembly after the dispensing.
  • the present invention provides a control method for a separate sheet-like article separating mechanism, comprising: determining whether a medium is present at the cash-carrying wheel assembly, and if so, starting the money-distributing wheel motor and the balancing-powered power wheel motor according to the normal dividing speed Determining whether the condition that the currently separated media head reaches the front boundary of the preset speed regulation interval and the currently separated media tail leaves the preset speed regulation interval is satisfied, and if so, the speed of the money roller motor is lowered to a preset tone The speed value determines whether the tail of the currently separated medium leaves the front boundary of the preset speed regulation interval, and if so, increases the motor speed of the money roller to the normal banknote speed.
  • the present invention also provides a control system for the corresponding sheet-like article separating mechanism, comprising: a medium detecting unit, comprising: a first sensor installed at the banknote wheel assembly; and a second sensor installed before the preset speed adjusting interval
  • the third sensor is installed at a rear boundary of the preset speed regulation interval
  • the processing unit is configured to output a first control signal when the detection signal of the first sensor represents the medium present at the cash wheel assembly; and detect the second sensor
  • the signal representation is separated from the head of the medium to reach the front boundary of the preset speed regulation interval, and when the detection signal of the third sensor indicates that the tail of the currently separated medium leaves the rear boundary of the preset speed regulation interval, the second control signal is output;
  • the detection signal of the second sensor indicates that the tail of the currently separated medium exits the front boundary of the preset speed regulation interval, and outputs a third control signal
  • the execution unit includes a balance roller motor and a power divider motor after dividing the banknote, wherein: the balance roller After the motor and the
  • the storage unit is configured to read and write control parameters required by the processing unit.
  • the control unit is configured to schedule processes for controlling the medium detecting unit, the processing unit, the executing unit, the detecting module, and the storage unit.
  • the third sensor is a splitting wheel code wheel sensor, and correspondingly, the dividing wheel code wheel is fixed on the rotating shaft of the dividing roller, and the opening direction and the opening angle of the dividing wheel code wheel are matched with the dividing glue rubber.
  • the present invention improves the soft and hardware structure of the separation mechanism of the sheet-like article, and the head of the currently separated medium reaches the front speed limit of the preset speed regulation section in front of the money-discharging wheel and is currently separated from the tail of the medium.
  • the relative speed of the power dividing wheel motor and the power wheel motor after the banknote is adjusted, the spacing of the separated medium can be kept constant, thereby being adaptable to different shapes and specifications.
  • the sheet medium in particular, it contributes to reducing the volume of the dispensing wheel of the longitudinal depositing device, reducing the moment of inertia of the dividing wheel, and effectively reducing the motor load.
  • FIG. 1 is a side elevational view of a preferred embodiment of a sheet-like article separating mechanism of the present invention
  • FIG. 2 is a partial enlarged view of FIG. 1
  • FIG. 3 is a top plan view of the sheet-like article separating mechanism of FIG. 4 is a three-dimensional schematic view of the sheet-like article dispensing roller assembly shown in FIG. 1.
  • FIG. 5 is a view in the direction of A in FIG. 4;
  • FIG. 6 is a schematic view showing a state in which the sheet is separated;
  • FIG. 7 is a schematic view showing a state in which the sheet is separated;
  • Three schematic diagrams of the separation state; 9 is a schematic view of a state in which a sheet is separated;
  • FIG. 5 is a view in the direction of A in FIG. 4
  • FIG. 6 is a schematic view showing a state in which the sheet is separated
  • FIG. 7 is a schematic view showing a state in which the sheet is separated
  • 9 is
  • FIG. 10 is a schematic view of a state in which a sheet is separated
  • FIG. 11 is a block diagram showing a control system of a sheet-like article separating mechanism shown in FIG. 1.
  • FIG. Method Flowchart FIG. 13 is a specific working process based on the control method of the sheet-like article separating mechanism shown in FIG.
  • the relevant reference numerals are:
  • P sheet medium
  • 110 banknote wheel assembly
  • 111 banknote roller assembly
  • 111-1 banknote roller
  • 111-2 driven timing pulley
  • 111-3 banknote rubber
  • 112, reverse wheel 113 first rear pressure wheel
  • 114 minute wheel speed sensor
  • 115 second rear pressure wheel
  • 116 power wheel assembly after splitting
  • 117 banknote wheel sensor
  • 118 power after cents Timing belt
  • 119 splitting wheel code wheel
  • 120 power wheel motor after splitting
  • 121 sheet medium presence detecting sensor
  • 122 dividing wheel motor.
  • the core idea of the present invention is to separate the preset speed-regulating zone on the front of the preset speed-regulating section in front of the dividing wheel and the currently separated media tail leaves the dispensing wheel. A predetermined medium separation distance is maintained between the tail of the exiting medium and the head of the next separated medium.
  • the relative speed of the money-distributing wheel motor and the power-receiving power wheel can be controlled according to a predetermined strategy by detecting media attributes (such as physical attributes, image features, etc.) or the current physical position of the medium and feeding back to the controller.
  • the basic structure of the sheet-like article separating mechanism of the present invention is shown, which is an implementation scheme for detecting the position of the medium.
  • the separating mechanism is provided with a bill removing wheel assembly 110, a bill folding wheel assembly 111, a reversing wheel assembly 112, a first rear pressing wheel 113, a dividing roller speed adjusting sensor 114, a second rear pressing wheel 115, and After the balancing of the power wheel assembly 116, the dividing wheel code wheel sensor 117, the power splitting belt 118 after splitting, the dividing wheel code wheel 119, the power wheel motor 120 after dividing the banknote, the sheet medium presence detecting sensor 121, the dividing wheel motor 122 and the like, wherein: after the bill dispensing, the power wheel assembly 116 and the bill wheel assembly 111 are connected with a billable power synchronizing belt 118; correspondingly, after the billing, the power synchronizing belt 118 is disposed above the first The pressing wheel 113 and the second rear pressing wheel 115, wherein the first rear
  • the power wheel assembly 116 is driven by the counter-powered power wheel motor 120, and reaches the billing wheel at the head that is currently separated.
  • the front speed limit interval of the front is currently bounded and currently
  • the relative speed of the currently separated medium is adjusted by adjusting the relative speed of the dividing wheel motor 122 and the dividing power wheel motor 120.
  • the predetermined medium separation distance is maintained between the tails of the separated media.
  • the preset speed adjustment interval front boundary preferably corresponds to the maximum allowable medium length position in front of the minimum distance between the balance roller and the reverse wheel
  • the preset speed adjustment interval rear boundary corresponds to the banknote rubber on the banknote roller.
  • the end position, and the preset medium separation pitch is the product of the safe commutation reaction time of the commutator in the medium separation passage and the medium transmission speed, which will be further described below with reference to the accompanying drawings.
  • the length of L is the spacing between the sheet medium and the sheet medium after the billing, and the length has a minimum limit.
  • the magnitude of the minimum value is the product of the safe commutation reaction time of the commutator in the channel and the sheet medium transport speed.
  • the basic structure of the banknote dispensing unit 111 includes a dispensing roller 111-1, a driven timing pulley 111-2, and a dispensing rubber 111-3, wherein: the dispensing rubber 111-3
  • the coefficient of friction is larger than the coefficient of friction of the banknote roller 111-1, and the radius R1 of the banknote rubber 111-3 is larger than the radius R2 of the banknote roller 111-1 by about 0.1 mm.
  • the dispensing roller 111-1 is fixed to the rotating shaft, and the driven timing pulley 111-2 is rotatably rotatable relative to the dividing roller 111-1 after assembly.
  • the dividing wheel code wheel 119 is fixed on the rotating shaft, and the opening direction has a phase requirement with the dispensing rubber 111-3 and the opening angle also has matching requirements, for example: If the angle of the dispensing rubber 111-3 is 50 degrees, the dividing wheel code The angle of the disk 119 is 50+N degrees, wherein the size of N is set by the reaction time and the banknote speed of the control system; specifically, when the control system sends a command to the motor to speed up to the normal banknote speed, the banknote wheel rotates The angle is the size of N. Referring to Fig. 6 to Fig. 10, the state in which the sheet-like article separating mechanism of the present invention is separated at the time of sheet separation is shown.
  • the system sends a command to control the bill wheel motor 122 and the billing rear power wheel motor 120 to rotate, and the billing wheel speed adjusting sensor (the second sensor) 114 is detected as being, the two motor rotation speed is a normal banknote speed, at this time, the banknote wheel assembly 110 and the banknote roller assembly 111 rotate synchronously; the banknote wheel assembly 110 sends the P-sheet medium to the banknote roller.
  • the sheet medium P separates a single sheet medium under the action of the dividing roller assembly 111 and the reversing wheel assembly 112; the separated sheet medium P will be fed to the rear pressing wheel 113 and the billed post power timing belt.
  • 118 (connected between the power wheel assembly 116 and the payroll wheel assembly 111 after the dispensing of the banknote) is clamped and continues to be transported forward.
  • the payroll wheel speed sensor 114 detects that the sheet medium P arrives, and the bill wheel encoder disc sensor 117 detects that it is in the occlusion state of the bill wheel 119, the system immediately sends a command to control the bill wheel motor 122 to descend.
  • the speed of the lowering has a maximum limit.
  • the maximum value is determined by the length of the sheet medium and the normal dividing speed.
  • the speed of the dispensing is V
  • the length of the longest sheet medium is L
  • the angle of the dividing rubber is ⁇ .
  • the separated sheet medium P is clamped by the second rear pressing wheel 115 and the power-synchronizing belt 118 after the dispensing, and continues to be forwarded.
  • the system sends a command to control the dispensing.
  • the wheel motor 122 immediately accelerates; at this time, another sheet medium P is separated, so that the gap between the sheet medium P2 separated for the second time and the sheet medium P1 separated for the first time can be guaranteed to be L, By repeating the action, the entire stack of sheet media can be separated.
  • the sheet medium presence detecting sensor 121 detects that there is no sheet medium, the system sends a command to control the bill wheel motor 122 to stop and extend for a certain period of time to stop the billing of the power wheel motor 120, and the entire bill dispensing process is completed. Referring also to Figs.
  • the control system includes: a medium detecting unit including an electrical connection, a processing unit, an executing unit, a storage unit, and a control unit, wherein: the medium detecting unit comprises: a first sensor, mounted on the banknote wheel assembly
  • the second sensor is installed in the front boundary of the preset speed regulation section;
  • the third sensor is installed in the rear boundary of the preset speed regulation section.
  • the first sensor and the second sensor may be photoelectric sensors, and the on/off signals are respectively output according to the state blocked by the medium at the detection position.
  • the third sensor is preferably a splitter wheel code disc sensor, and correspondingly, the splitting wheel code disc is fixed on the rotating shaft of the dividing roller, and the opening direction and the opening angle of the dividing wheel code wheel are matched with the dividing glue rubber;
  • the dividing wheel code wheel sensor can output an on/off signal according to the opening position of the dividing wheel code wheel. Since the opening position of the dividing wheel code disc corresponds to the position of the rubber of the dividing roller, the position of the dispensing rubber is detected indirectly by detecting the opening position of the dividing wheel of the dividing wheel, thereby being used for finally determining the end of the medium. Whether to leave the end of the speed control zone, that is, the end position of the banknote rubber on the banknote roller.
  • a processing unit configured to output a first control signal when the detection signal of the first sensor represents the presence of the medium at the pickup wheel assembly; and the detection signal of the second sensor characterizes the separated medium head
  • the portion reaches the front boundary of the preset speed regulation interval and outputs a second control signal when the detection signal of the third sensor indicates that the tail of the currently separated medium leaves the rear limit of the preset speed regulation interval; and, the detection signal representation of the second sensor
  • the third control signal is output when the tail of the currently separated medium leaves the front boundary of the preset speed regulation interval.
  • the execution unit comprises a splitting wheel motor and a power dividing wheel motor, wherein: the dividing wheel motor and the dividing wheel power wheel motor are respectively started according to the first dividing signal according to the first control signal; the dividing wheel motor is controlled according to the second The signal is decelerated to a preset speed adjustment value; the billiard wheel motor is speeded up to the normal billing speed according to the third control signal.
  • the storage unit is used to read and write the control parameters required by the processing unit.
  • a control unit configured to schedule a process of controlling the medium detecting unit, the processing unit, the executing unit, the detecting module, and the storage unit. As shown in FIG.
  • the basic steps of the control method based on the sheet-like article separating mechanism are as follows: determining whether there is medium at the banknote assembly, and if so, starting the banknote roller motor and the banknote-distributing power wheel at the normal banknote speed The motor (step S1201); determining whether the condition that the currently separated media head reaches the front boundary of the preset speed regulation interval and the tail of the currently separated medium leaves the preset speed regulation interval is satisfied, and if so, the motor of the money divider motor is lowered
  • the speed is up to a preset speed limit value, and the preset speed limit value is a speed control threshold value determined according to the length of the medium and the normal banknote speed (step S1202); determining whether the tail of the currently separated medium leaves the front limit of the preset speed adjustment interval, If so, the speed of the billiard wheel motor is increased to the normal billing speed (step S1203).
  • the specific working process based on the above control method is: when the banknote is divided, when the first sensor (the sheet medium presence detecting sensor) in the medium detecting unit detects the presence of the sheet medium, the feedback signal is sent to the processing unit.
  • the processing unit sends a command signal to the execution unit, and controls The dividing roller motor in the execution unit and the power wheel motor after the dispensing are operated, and the separated medium is transported forward; when the second sensor (the dividing roller speed regulating sensor) in the medium detecting unit detects that the separated medium arrives And the third sensor (counterfeit wheel code wheel sensor) detects the feedback signal to the processing unit when occluded, the processing unit processes according to the data in the storage unit, and then sends a command to control the roller motor to slow down; When the sensor detects that the separated medium leaves, and the third sensor detects that it is not occluded, the feedback signal is sent to the processing unit, the processing unit processes according to the data in the storage unit, and then sends a command to control the speed roller motor to speed up.
  • the second sensor the dividing roller speed regulating sensor
  • the third sensor counterfeit wheel code wheel sensor

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Abstract

一种薄片类介质分离机构及其控制方法和控制系统，其在当前被分离出来介质头部到达分钞轮（111）前方的预设调速区间前界且当前被分离出来介质尾部离开分钞轮上的预设调速区间后界时，调节分钞轮电机（122）与分钞后动力轮电机（120）的相对速度，使得当前被分离出来介质的尾部与下一被分离出来介质的头部之间保持预设介质分离间距，由此可适应于不同形状、规格的薄片类介质，有助于减小纵向存款设备的分钞轮体积及转动惯量，有效地降低电机负载。

Description

薄片类物品分离机构及其控制方法和控制系统 本申请要求于 2011 年 9 月 8 日提交中国专利局、 申请号为 201110265863.8、 发明名称为"薄片类物品分离机构及其控制方法和控制系 统"的中国专利申请的优先权， 其全部内容通过引用结合在本申请中。 技术领域 本发明涉及金融自动化设备领域， 尤其涉及一种处理薄片介质及支票 类薄片物品的分离机构及其控制方法和控制系统， 其主要应用在成叠薄片 类物品分离设备等领域。
背景技术 现有薄片类物品分离机构， 特别是薄片介质的分离机构， 普遍采用分 钞轮转速恒定的分离方式， 每转一圏分离一张薄片介质且要求分钞胶皮只 能跟薄片介质有一次接触。 此类分离机构具有分离薄片介质用的拾钞轮、 反转轮、 分钞轮、 电机等零部件。 当整叠薄片类物品放置于拾钞轮上， 控 制电机运行， 带动分钞轮和拾钞轮同步转动； 拾钞轮将薄片介质送至分钞 轮后， 分钞轮和反转轮将一张薄片介质分离出来， 之后利用后续通道将其 带走； 如此反复动作， 即可将整叠薄片介质分离。 然而， 对于一个国家的薄片介质， 不同介质存在着不同的形状及大小 规格， 例如钞票和支票之间的大小规格差别就较大。 若将这些薄片介质混 在一起分离时， 分钞轮每分离一张薄片介质其转动的圏数就不一致， 这样 就造成分离出来的薄片介质之间的间距不一样： 如果因薄片介质之间的间 距过小， 后续通道中的换向器反应时间不足， 容易引起卡机， 即会因为在 换向时换向器的反应时间不足而造成卡死； 如果间距设置过大， 则浪费资 源；所以分离流程上薄片介质间距过小的都会做退钞处理（拒钞原因之一 ) , 这样就会使得拒钞率增加， 影响机器的运行效果。 特别地， 对于纵向存款 设备， 因为薄片介质在纵向的长度比较长， 每转一圏分离一张薄片介质且 要求分钞胶皮只能跟薄片介质有一次的接触的情况下， 分钞轮的体积会非 常大。 例如， 长度为 250mm的支票按此方法分离，要求的分钞轮直径至少 要在 79.5mm以上， 这对于要求体积小的设备会存在一定的影响； 同时， 分钞轮的转动惯量也会^艮大， 从而导致电机的负载也会增大。
发明内容 有鉴于此， 本发明的目的在于提供一种薄片类物品分离机构及其控制 方法和控制系统， 可以有效地解决不同长度的介质分离后间距不一样的问 题。 为解决以上技术问题， 本发明提供的技术方案是： 一种薄片类物品分 离机构， 包括由分钞轮电机同步驱动的拾钞轮组件和分钞轮组件、 由分钞 后动力轮电机驱动的分钞后动力轮组件， 分钞轮组件的分钞轮上装配有分 钞胶皮， 该分钞胶皮每随分钞轮转动一圏可仅与介质接触一次， 在当前被 分离出来介质头部到达分钞轮前方的预设调速区间前界且当前被分离出来 介质尾部离开分钞轮上的预设调速区间后界时， 调节分钞轮电机与分钞后 动力轮电机的相对速度， 使得当前被分离出来介质的尾部与下一被分离出 来介质的头部之间保持预设介质分离间距。 较优地， 预设调速区间前界对应于分钞轮与反转轮最小间距前方的最 大允许介质长度位置， 预设调速区间后界对应于分钞轮上分钞胶皮的结束 位置。 较优地， 预设介质分离间距为介质分离通道中换向器的安全换向反应 时间与介质传输速度的乘积。 较优地， 分钞后动力轮组件与分钞轮组件之间连接有分钞后动力同步 带。 较优地， 分钞后动力同步带的上方设置有第一后压轮与第二后压轮， 其中： 第一后压轮接近于分钞轮和反转轮形成的分钞间隙位置； 第二后压 轮接近于分钞后动力轮组件位置。 在此基础上，本发明提供相应薄片类物品分离机构的控制方法， 包括： 判断拾钞轮组件处是否存在介质， 若是， 按正常分钞速度分别启动分钞轮 电机和分钞后动力轮电机； 判断当前被分离出来介质头部到达预设调速区间前界且当前被分离出 来介质尾部离开预设调速区间后界的条件是否满足， 若是， 降低分钞轮电 机的转速至预设调速值； 判断当前被分离出来介质尾部是否离开预设调速区间前界， 若是， 提 高分钞轮电机转速至正常分钞速度。 与此同时，本发明还提供相应薄片类物品分离机构的控制系统， 包括： 介质检测单元， 包括： 第一传感器， 安装于拾钞轮组件处； 第二传感 器， 安装于预设调速区间前界； 第三传感器， 安装于预设调速区间后界； 处理单元， 用于在第一传感器的检测信号表征拾钞轮组件处存在介质 时， 输出第一控制信号； 在第二传感器的检测信号表征被分离出来介质头 部到达预设调速区间前界且在第三传感器的检测信号表征当前被分离出来 介质尾部离开预设调速区间后界时， 输出第二控制信号； 以及， 在第二传 感器的检测信号表征当前被分离出来介质尾部离开预设调速区间前界时， 输出第三控制信号； 执行单元， 包括分钞轮电机和分钞后动力轮电机， 其中： 分钞轮电机 和分钞后动力轮电机根据第一控制信号分别按正常分钞速度启动； 分钞轮 电机根据第二控制信号降速至预设调速值； 分钞轮电机根据第三控制信号 升速至正常分钞速度。 较优地， 包括存储单元， 用于读写处理单元所需控制参数。 较优地， 包括控制单元， 用于调度控制介质检测单元、 处理单元、 执 行单元、 检测模块及存储单元的进程。 较优地， 第三传感器为分钞轮码盘传感器， 相应地在分钞轮的转轴固 定分钞轮码盘， 该分钞轮码盘的开口方向与开口角度与分钞胶皮相匹配。 与现有技术相比， 本发明通过改进薄片类物品分离机构的软、 硬件结 构， 在当前被分离出来介质头部到达分钞轮前方的预设调速区间前界且当 前被分离出来介质尾部离开分钞轮上的预设调速区间后界时， 调节分钞轮 电机与分钞后动力轮电机的相对速度， 可以保证被分离介质的间距恒定， 由此可适应于不同形状、 规格的薄片类介质； 特别地， 有助于减小纵向存 款设备的分钞轮体积， 减小分钞轮的转动惯量， 并有效地降低电机负载。
附图说明 图 1为本发明薄片类物品分离机构一较优实施例的侧视示意图; 图 2为图 1的局部放大图； 图 3为图 1所示薄片类物品分离机构的俯视示意图； 图 4为图 1所示薄片类物品分钞轮组件的三维示意图； 图 5为图 4中的 A向视图； 图 6为薄片分离状态一示意图； 图 7为薄片分离状态二示意图； 图 8为薄片分离状态三示意图； 图 9为薄片分离状态四示意图； 图 10为薄片分离状态五示意图； 图 11为图 1所示薄片类物品分离机构的控制系统原理框图； 图 12为图 1所示薄片类物品分离机构的控制方法流程图； 图 13为基于图 12所示薄片类物品分离机构控制方法的具体工作过程。 图中， 有关附图标记为：
P、 薄片介质； 110、 拾钞轮组件； 111、 分钞轮组件； 111-1、 分钞轮； 111-2、 从动同步带轮； 111-3、 分钞胶皮； 112、 反转轮组件； 113 第一后 压轮； 114、 分钞轮调速传感器； 115、 第二后压轮； 116、 分钞后动力轮组 件； 117、 分钞轮码盘传感器； 118、 分钞后动力同步带； 119、 分钞轮码盘； 120、 分钞后动力轮电机； 121、 薄片介质存在检测传感器； 122、 分钞轮电 机。
具体实施方式 本发明的核心思想是， 在当前被分离出来介质头部到达分钞轮前方的 预设调速区间前界且当前被分离出来介质尾部离开分钞轮上的预设调速区 分离出来介质的尾部与下一被分离出来介质的头部之间保持预设介质分离 间距。 基于上述基本构思， 可通过检测介质属性（如物理属性， 图像特征等） 或介质的当前物理位置并反馈与控制器， 从而根据预定策略控制分钞轮电 机和分钞后动力轮的相对速度。 具体有多种方案， 例如： 分钞轮电机降速， 分钞后动力轮保持正常速度； 或者， 分钞轮电机保持正常速度， 分钞后动 力轮加速； 等等。 由此， 通过改变分钞轮电机和分钞后动力轮的相对速度， 最终实现当前被分离出来介质的头部与前一被分离出来介质尾部之间保持 预设介质分离间距。 为了使本领域的技术人员更好地理解本发明的技术方案， 下面以前述 第一种方案为例， 结合附图和具体实施例对本发明作进一步的详细说明。 同时参见图 1〜图 5 , 表示本发明薄片类物品分离机构的基本结构， 为 通过检测介质位置的实现方案。 该分离机构在介质分离通道中设置有拾钞 轮组件 110、 分钞轮组件 111、 反转轮组件 112、 第一后压轮 113、 分钞轮 调速传感器 114、 第二后压轮 115、 分钞后动力轮组件 116、 分钞轮码盘传 感器 117、分钞后动力同步带 118、分钞轮码盘 119、分钞后动力轮电机 120、 薄片介质存在检测传感器 121、 分钞轮电机 122等零部件， 其中： 分钞后动力轮组件 116与分钞轮组件 111之间连接有分钞后动力同步 带 118; 相应地， 在分钞后动力同步带 118的上方设置有第一后压轮 113与第 二后压轮 115 , 其中第一后压轮 113接近于分钞轮和反转轮形成的分钞间 隙位置， 第二后压轮 115接近于分钞后动力轮组件 116位置； 拾钞轮组件 110和分钞轮组件 111由分钞轮电机 122同步驱动， 分钞 后动力轮组件 116由分钞后动力轮电机 120驱动， 在当前被分离出来介质 头部到达分钞轮前方的预设调速区间前界且当前被分离出来介质尾部离开 分钞轮上的预设调速区间后界时， 通过调节分钞轮电机 122与分钞后动力 轮电机 120的相对速度， 使得当前被分离出来介质的头部与前一被分离出 来介质尾部之间保持预设介质分离间距。 本实施例中， 预设调速区间前界优选地对应于分钞轮与反转轮最小间 距前方的最大允许介质长度位置， 预设调速区间后界对应于分钞轮上分钞 胶皮的结束位置， 而预设介质分离间距为介质分离通道中换向器的安全换 向反应时间与介质传输速度的乘积， 下面进一步结合附图进行描述。 如图 2所示， 分离机构的局部放大图， L的长度即为分钞后薄片介质 跟薄片介质之间的间距， 此长度有最小值限制。 具体而言， 该最小值的大 小为通道中换向器的安全换向反应时间和薄片介质传输速度的乘积。 如图 4、 图 5所示， 分钞轮组件 111的基本结构包括分钞轮 111-1、 从 动同步带轮 111-2、 分钞胶皮 111-3 , 其中： 分钞胶皮 111-3的摩擦系数比 分钞轮 111-1的摩擦系数要大，且分钞胶皮 111-3的半径 R1比分钞轮 111-1 的半径 R2大 0.1mm左右。 分钞轮 111-1是固定在转轴上的， 从动同步带 轮 111-2装配后相对于分钞轮 111-1可以自由转动。 分钞轮码盘 119固定 在转轴上面， 开口方向跟分钞胶皮 111-3有相位要求且开口角度大小也有 匹配要求， 例如： 如果分钞胶皮 111-3角度为 50度， 则分钞轮码盘 119的 角度则为 50+N度，其中 N的大小由控制系统的反应时间跟分钞速度设定； 具体而言， 从控制系统发送命令到电机以提速到正常分钞速度时分钞轮转 过的角度即为 N的大小。 参见图 6〜图 10,示出本发明薄片类物品分离机构在薄片分离时的不同 状态。 一般地， 需要分离薄片介质时， 将整叠 P薄片介质放置于拾钞轮组 件 110上方进行输送、 分离。 当薄片介质存在检测传感器（第一传感器） 121检测到有薄片介质存在时， 系统发送命令控制分钞轮电机 122和分钞 后动力轮电机 120转动， 此时分钞轮调速传感器（第二传感器） 114检测 到为通， 两电机转动速度为正常的分钞速度， 此时拾钞轮组件 110及分钞 轮组件 111会同步转动； 拾钞轮组件 110会将 P薄片介质送到分钞轮组件 111上， 薄片介质 P在分钞轮组件 111和反转轮组件 112的作用下会分离 出单张薄片介质； 分离出来后的薄片介质 P会给后压轮 113跟分钞后动力 同步带 118 (接于分钞后动力轮组件 116与分钞轮组件 111之间） 夹持住 继续往前输送。 当分钞轮调速传感器 114检测到薄片介质 P到达时， 并且 分钞轮码盘传感器 117检测到是处于被分钞轮码盘 119的遮挡状态时， 系 统立即发送命令控制分钞轮电机 122降速； 降下来的速度有最大值限制， 最大值由薄片介质的长度和正常的分钞速度定， 设分钞速度为 V, 最长薄 片介质长度为 L , 分钞胶皮的角度为 α , 则调速后的电机最大转速为 co=(360-a)/(L/V)。 由于调速后拾钞轮组件 110和分钞轮组件 111 跟整叠薄 片介质 P接触的都是摩擦系数小的面， 不足以把薄片介质 P分离出来， 所 以已经分离出来的薄片介质 P1此时后面不会有其他薄片介质跟着。分离出 来的薄片介质 P由第二后压轮 115和分钞后动力同步带 118夹持住继续往 前输送， 当分钞轮调速传感器检测 114 到薄片介质 P离开后， 系统发送命 令控制分钞轮电机 122立即提速；此时又有一张薄片介质 P会给分离出来， 这样第二次分离出来的薄片介质 P2和第一次分离出来的薄片介质 P 1之间 的间隙就能保证成 L, 如此反复动作， 即能把整叠薄片介质分离出来。 当 薄片介质存在检测传感器 121检测到没有薄片介质的时候， 系统发送命令 控制分钞轮电机 122停止并延长一定时间后停止分钞后动力轮电机 120, 整个分钞流程完成。 同时参见图 11〜图 13 , 对本发明薄片类物品分离机构的控制系统及控 制方法进一步进行描述。 如图 11所示， 该控制系统包括： 包括电性连接的介质检测单元、 处理 单元、 执行单元、 存储单元及控制单元， 其中： 介质检测单元， 包括： 第一传感器， 安装于拾钞轮组件处； 第二传感 器， 安装于预设调速区间前界； 第三传感器， 安装于预设调速区间后界。 具体地， 第一传感器、 第二传感器可为光电传感器， 根据检测位置上被介 质遮挡的状态相应输出通 /断信号。 第三传感器优选为分钞轮码盘传感器， 相应地在分钞轮的转轴固定分钞轮码盘， 且该分钞轮码盘的开口方向与开 口角度与分钞胶皮相匹配； 由此， 分钞轮码盘传感器可根据该分钞轮码盘 的开口位置相应输出通 /断信号。 由于分钞轮码盘的开口位置对应于分钞轮 胶皮的位置， 因此通过检测分钞轮码盘的开口位置也就间接地实现了分钞 胶皮位置的检测， 从而用于最终判断介质尾端是否脱离调速区间后界即分 钞轮上分钞胶皮的结束位置。 处理单元， 用于在第一传感器的检测信号表征拾钞轮组件处存在介质 时， 输出第一控制信号； 在第二传感器的检测信号表征被分离出来介质头 部到达预设调速区间前界且在第三传感器的检测信号表征当前被分离出来 介质尾部离开预设调速区间后界时， 输出第二控制信号； 以及， 在第二传 感器的检测信号表征当前被分离出来介质尾部离开预设调速区间前界时， 输出第三控制信号。 执行单元， 包括分钞轮电机和分钞后动力轮电机， 其中： 分钞轮电机 和分钞后动力轮电机根据第一控制信号分别按正常分钞速度启动； 分钞轮 电机根据第二控制信号降速至预设调速值； 分钞轮电机根据第三控制信号 升速至正常分钞速度。 存储单元， 用于读写处理单元所需控制参数。 控制单元， 用于调度控制介质检测单元、 处理单元、 执行单元、 检测 模块及存储单元的进程。 如图 12 所示， 基于该薄片类物品分离机构的控制方法的基本步骤如 下： 判断拾钞轮组件处是否存在介质， 若是， 按正常分钞速度分别启动分 钞轮电机和分钞后动力轮电机 (步骤 S1201 ); 判断当前被分离出来介质头部到达预设调速区间前界且当前被分离出 来介质尾部离开预设调速区间后界的条件是否满足， 若是， 降低分钞轮电 机的转速至预设调速值， 该预设调速值为根据介质长度和正常分钞速度确 定的调速阈值（步骤 S1202 ); 判断当前被分离出来介质尾部是否离开预设调速区间前界， 若是， 提 高分钞轮电机转速至正常分钞速度 (步骤 S1203 )。 如图 13所示， 基于上述控制方法的具体工作过程为： 分钞时， 当介质 检测单元中的第一传感器（薄片介质存在检测传感器）检测到有薄片介质 存在时即反馈信号给处理单元， 处理单元即发送命令信号给执行单元， 控 制执行单元中的分钞轮电机和分钞后动力轮电机动作， 分离出来的介质被 往前输送； 当介质检测单元中第二传感器（分钞轮调速传感器）检测到分 离出来的介质到达且第三传感器（分钞轮码盘传感器）检测到被遮挡时即 反馈信号给处理单元， 处理单元根据存储单元中的数据进行处理， 然后发 送命令控制分钞轮电机进行降速； 当第二传感器检测到分离出来的介质离 开时， 且第三传感器检测到未被遮挡时， 即反馈信号给处理单元， 处理单 元根据存储单元中的数据进行处理， 然后发送命令给控制分钞轮电机进行 提速， 继续分离介质； 分离出来的介质的头部跟前一张分离出来的介质尾 部的距离就是分离出来的介质头部到第二传感器的距离， 此距离是一个定 值， 所以就能保证每张介质之间的间距是一个定值。 如此循环， 直到第一 传感器检测到没有薄片介质存在时， 即反馈信号给处理单元， 处理单元发 整个分钞流程完成。 以上仅是本发明的优选实施方式， 应当指出的是， 上述优选实施方式 不应视为对本发明的限制， 本发明的保护范围应当以权利要求所限定的范 围为准。 对于本技术领域的普通技术人员来说， 在不脱离本发明的精神和 范围内， 还可以做出若干改进和润饰， 这些改进和润饰也应视为本发明的 保护范围。
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Claims

权 利 要 求
1、一种薄片类物品分离机构， 包括由分钞轮电机同步驱动的拾钞轮组 组件的分钞轮上装配有分钞胶皮， 该分钞胶皮每随分钞轮转动一圏可仅与 介质接触一次， 其特征在于， 在当前被分离出来介质头部到达分钞轮前方 的预设调速区间前界且当前被分离出来介质尾部离开分钞轮上的预设调速 被分离出来介质的尾部与下一被分离出来介质的头部之间保持预设介质分 离间距。
2、 如权利要求 1所述的薄片类物品分离机构， 其特征在于， 预设调速 区间前界对应于分钞轮与反转轮最小间距前方的最大允许介质长度位置，
3、 如权利要求 1所述的薄片类物品分离机构， 其特征在于， 预设介质 分离间距为介质分离通道中换向器的安全换向反应时间与介质传输速度的 乘积。
4、 如权利要求 1~3任一项所述的薄片类物品分离机构， 其特征在于， 分钞后动力轮组件与分钞轮组件之间连接有分钞后动力同步带。
5、 如权利要求 4所述的薄片类物品分离机构， 其特征在于， 分钞后动 力同步带的上方设置有第一后压轮与第二后压轮， 其中： 第一后压轮接近 于分钞轮和反转轮形成的分钞间隙位置； 第二后压轮接近于分钞后动力轮 组件位置。
6、基于权利要求 1~5任一项所述薄片类物品分离机构的控制方法，其 特征在于， 包括： 判断拾钞轮组件处是否存在介质， 若是， 按正常分钞速度分别启动分 钞轮电机和分钞后动力轮电机； 判断当前被分离出来介质头部到达预设调速区间前界且当前被分离出 来介质尾部离开预设调速区间后界的条件是否满足， 若是， 降低分钞轮电 机的转速至预设调速值； 判断当前被分离出来介质尾部是否离开预设调速区间前界， 若是， 提 高分钞轮电机转速至正常分钞速度。
7、基于权利要求 1~5任一项所述薄片类物品分离机构的控制系统，其 特征在于， 包括： 介质检测单元， 包括： 第一传感器， 安装于拾钞轮组件处； 第二传感 器， 安装于预设调速区间前界； 第三传感器， 安装于预设调速区间后界； 处理单元， 用于在第一传感器的检测信号表征拾钞轮组件处存在介质 时， 输出第一控制信号； 在第二传感器的检测信号表征被分离出来介质头 部到达预设调速区间前界且在第三传感器的检测信号表征当前被分离出来 介质尾部离开预设调速区间后界时， 输出第二控制信号； 以及， 在第二传 感器的检测信号表征当前被分离出来介质尾部离开预设调速区间前界时， 输出第三控制信号； 执行单元， 包括分钞轮电机和分钞后动力轮电机， 其中： 分钞轮电机 和分钞后动力轮电机根据第一控制信号分别按正常分钞速度启动； 分钞轮 电机根据第二控制信号降速至预设调速值； 分钞轮电机根据第三控制信号 升速至正常分钞速度。
8、 如权利要求 7所述的控制系统， 其特征在于， 包括存储单元， 用于 读写处理单元所需控制参数。
9、 如权利要求 8所述的控制系统， 其特征在于， 包括控制单元， 用于 调度控制介质检测单元、 处理单元、 执行单元、 检测模块及存储单元的进 程。
10、 如权利要求 7~9任一项所述的控制系统， 其特征在于， 第三传感 器为分钞轮码盘传感器， 相应地在分钞轮的转轴固定分钞轮码盘， 该分钞 轮码盘的开口方向与开口角度与分钞胶皮相匹配。
PCT/CN2012/078347 2011-09-08 2012-07-09 薄片类物品分离机构及其控制方法和控制系统 WO2013034022A1 (zh)

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AU2012306907B2 (en) 2015-03-12
CN102431813B (zh) 2015-04-15
AU2012306907A1 (en) 2013-05-02
US20130221606A1 (en) 2013-08-29
EP2620398B1 (en) 2016-04-27
EP2620398A4 (en) 2015-04-15
US8851473B2 (en) 2014-10-07

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