Rotation positioning and transmission limiting judgment reading device for certificate storage equipment

Abstract

The utility model relates to the field of data reading, in particular to a rotation positioning and transmission limiting judging and reading device for certificate storage equipment, and solves the problem that the data reading performance is influenced by position change caused by power failure or mistaken triggering of rotation of a generator during operation of the motor in the prior art. The device comprises an encoder disc, a circular memory disc and a single-chip microcomputer. The encoder disc comprises an absolute encoder disc and an incremental encoder disc, and the encoder disc is arranged in a concentric circle shape; the rotation of the circular storage disc and the rotation of the outer-ring incremental encoder disc are consistent, and the encoder disc does not rotate along with the outer-ring incremental encoder disc. According to the utility model, the technical advantages of an absolute value servo motor and an incremental stepping motor are combined with an optocoupler switch, and the position of a storage slot is judged through the algorithm of a single-chip microcomputer, so that the problem of data reading performance caused by power failure of the motor during operation or mistakenly touching the rotation of the generator is avoided; through effective cooperation of an optical sensor, certificate pushing and circular storage disc driving, accurate conveying and effective limiting of certificates are completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to data reading field especially refers to certificate storage equipment rotation positioning and transmission limiting judgment reading device. BACKGROUND

[0002] In certificate storage equipment, when the certificate enters the storage equipment, the motor drives the storage disc to rotate, how to position the storage position, let the certificate smoothly enter or take out the storage groove, the existing absolute value servo motor and incremental stepper motor utilize angle subdivision positioning technology, can realize positioning function, the subdivision of motor 360 degree rotation is the angle value of each storage groove, for example: certificate storage groove has 100 storage groove positions, motor subdivision 360° / 100 groove = 3.6°, judge how many circles motor rotation realizes positioning, motor power failure or false trigger motor rotation and electromagnetic interference can cause position change when running.

[0003] The existing technology limits the position by using a position limiter and an infrared diffuse reflection sensor, and gives a feedback signal through close distance or physical impact, but the size of the ID card is too small, which can cause sensing failure, so that the certificate transmission fails. When the certificate conveying device conveys the certificate to the disc storage card slot, it cannot determine the accurate conveying position, which can cause the transmission device gear to be overloaded and seriously worn, affecting the service life.

[0004] There is an urgent need for a new certificate storage equipment data reading device that can solve the above problems. SUMMARY

[0005] The certificate storage equipment rotation positioning and transmission limiting judgment reading device solves the problem of position change caused by motor power failure or false trigger motor rotation and electromagnetic interference in the prior art, which affects the data reading performance.

[0006] The utility model discloses a technical scheme is realized as follows: certificate storage equipment rotation positioning and transmission limiting judgment reading device, including encoder disc, the slot type photoelectric coupling combination for reading data, the circular storage tray for storing certificate, the certificate conveying device for sending certificate into circular storage tray, the circular storage tray drive device for driving circular storage tray, still include singlechip, the singlechip is connected slot type photoelectric coupling combination, certificate conveying device and circular storage tray drive device respectively, the encoder disc includes absolute encoder disc and incremental encoder disc, and the encoder disc is arranged in concentric circle shape, the incremental encoder disc is arranged in the outer ring, the absolute encoder disc is arranged in the inner ring, and the slot type photoelectric coupling combination is arranged below the inner ring and the outer ring, the encoder disc is arranged below the circular storage tray, the outer ring is provided with section, the section is aligned with certificate storage disc slot, and the circular storage tray drive device is mechanically connected circular storage tray, the circular storage tray is rotated with the incremental encoder disc of outer ring, and the encoder disc does not rotate with the incremental encoder disc of outer ring.

[0007] The slot type photoelectric coupling combination includes a judgment photoelectric coupling switch for judging absolute zero position, two A-phase photoelectric coupling switches and B-phase photoelectric coupling switches for counting and judging the rotating direction of the code disc; the judgment photoelectric coupling switch, the A-phase photoelectric coupling switch and the B-phase photoelectric coupling switch are grooves; the judgment photoelectric coupling switch is arranged below the section of the absolute encoder disc of the inner ring; the A-phase photoelectric coupling switch and the B-phase photoelectric coupling switch are arranged below the sections of the incremental encoder disc of the outer ring; the A-phase photoelectric coupling switch and the B-phase photoelectric coupling switch generate a 90° phase difference.

[0008] The circular storage tray includes a central hole penetrating the middle part and a slot position with the center of the circle as the axis; the slot position includes two isosceles triangular prism containing spaces for storing certificates.

[0009] Preferably, the encoder disc is arranged on one side of the circular storage tray, and an annular light-transmitting hole smaller than the central hole is further arranged on the encoder disc; a light sensor for collecting the change of light of the annular light-transmitting hole is further arranged on the side of the encoder disc away from the circular storage tray; the certificate conveying device is arranged on the other side of the circular storage tray and includes a certificate conveying channel for inserting and pushing the certificate into the clamping part and a light source arranged on the upper end of the clamping part; the light sensor is used for collecting the change of light of the annular light-transmitting hole to judge whether the certificate is sent into the storage slot; when the certificate is sent into the storage slot, the light source on the upper end of the clamping part is blocked by the certificate, and the light sensor cannot collect the light, so it can be judged that the certificate is sent into the slot, and the collected information is transmitted to the singlechip; the light sensor and the circular storage tray drive device are communicatively connected to the singlechip.

[0010] The photosensitive device of the slot type photoelectric coupling is arranged on the side wall of the groove, and a high-level detection signal is triggered by shielding to output the slot type photoelectric coupling; the detection signal output end is electrically connected with the signal receiving end arranged on the circuit board.

[0011] The utility model discloses a certificate storage equipment rotation positioner and transmission limiting judgment reading device, has combined the technical advantages of absolute value servo motor and incremental stepper motor, adopts the inside and outside hybrid encoder to design the encoding disc under the certificate storage disc, is divided into outer ring and inner ring, and the outer ring uses incremental encoder disc, and the inner ring uses absolute value encoder, every section of outer ring is aligned with the certificate storage disc groove position. The inner ring incremental encoder disc is installed one photoelectric coupler switch, and the outer ring absolute value encoder disc is installed two photoelectric coupler switches, and the length of every section of encoder disc is different, and when the storage disc rotates, the section of encoder disc passes through photoelectric coupler switch, and photoelectric coupler switch records the time of every section, and judges the storage groove position through the algorithm of singlechip, avoids the position change caused by the power failure or false triggering of motor rotation when the motor is running, thereby influence data reading performance problem, through the connection singlechip, makes the effective cooperation of light sensor, certificate push, circular storage disc drive, completes the accurate transmission and effective limiting of certificate. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0013] Figure 1 The utility model structural schematic diagram;

[0014] Figure 2 The utility model groove type photoelectric coupling combination structure schematic diagram;

[0015] Figure 3 The utility model certificate storage disc structure schematic diagram;

[0016] Figure 4 The utility model A phase photoelectric coupling switch and B phase photoelectric coupling switch in different turning level signal schematic diagram;

[0017] Figure 5 The utility model encoder disc one side structure schematic diagram;

[0018] Figure 6 Groove type photoelectric coupling internal circuit diagram;

[0019] Figure 7 Groove type photoelectric coupling front view;

[0020] Figure 8 Groove type photoelectric coupling sectional view;

[0021] Figure 9: Bottom view of the slot type optical coupling

[0022] Figure 10 : Another angle of the structure of the utility model;

[0023] Figure 11 : Zero point determination schematic view;

[0024] Wherein: 1, circular storage disc; 2, slot type optical coupling combination; 2.1, determine optical coupling switch; 2.2, A phase optical coupling switch; 2.3, B phase optical coupling switch; 3, groove; 4, certificate conveying device; 5, circular storage disc driving device; 6, absolute encoder disc; 7, incremental encoder disc; 8, light source; 9, light sensor; 10, certificate; 11, certificate conveying channel; 12, clamping part; 13, slot; 14, center hole; 15, annular light transmission hole. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] The certificate storage equipment rotating positioning and transmission limiting determination reading device disclosed by the utility model comprises an encoder disc, a slot type optical coupling combination 2 for reading data, a circular storage disc 1 for storing certificates 10, a certificate conveying device 4 for feeding the certificates 10 into the circular storage disc 1, and a circular storage disc driving device 5 for driving the circular storage disc, further comprises a single-chip microcomputer, the single-chip microcomputer is connected with the slot type optical coupling combination 2 signal, the certificate conveying device 4 and the circular storage disc driving device 5 respectively, the encoder disc comprises an absolute encoder disc 6 and an incremental encoder disc 7, the encoder disc is designed in an integrated manner with the certificate storage disc, the encoder disc is arranged in a concentric circular manner, the incremental encoder disc 7 is arranged on the outer ring, the absolute encoder disc 6 is arranged on the inner ring, and an index item is used for determining the absolute zero position, the slot type optical coupling combination 2 is arranged below the inner ring and the outer ring, is used for collecting the information of the absolute encoder disc 6 and the incremental encoder disc 7 at the same time, the encoder disc is arranged directly below the circular storage disc 1, the outer ring is provided with a segment, the segment is aligned with the certificate storage disc slot 13, and the circular storage disc driving device 5 is mechanically connected with the circular storage disc 1. Figure 11 As shown in the figure, the minimum gap edge of the absolute encoder disc 6 is aligned with the node of the incremental encoder disc 7 and the certificate storage slot 13, and is the zero point.

[0027] The groove type optical coupling combination 2 includes a judging optical coupling switch 2.1 for judging absolute zero position, two A-phase optical coupling switches 2.2 and B-phase optical coupling switches 2.3 for counting and judging the rotating direction of the code disc; the judging optical coupling switch 2.1, the A-phase optical coupling switch 2.2 and the B-phase optical coupling switch 2.3 are grooves 3; the judging optical coupling switch 2.1 is arranged below the segments of the inner ring absolute encoder disc 6; the A-phase optical coupling switch 2.2 and the B-phase optical coupling switch 2.3 are respectively arranged below the segments of the outer ring incremental encoder disc 7; when the motor controls the rotation of the code disc, the A-phase optical coupling switch 2.2 and the B-phase optical coupling switch 2.3 generate a 90° phase difference, so that the rotating direction of the motor can be judged; the length of each segment of the code disc is different; when the circular storage disc 1 rotates, the optical coupling switch passes through the segment empty position, records the time of each segment, and judges the storage groove position 13 through the data algorithm of the single-chip microcomputer; the number of records is recorded.

[0028] The judging optical coupling switch 2.1 of the inner ring is used for judging the absolute zero position; the inner ring is divided into several small segments, each small segment corresponds to several code scales of the outer ring; the time passing through the groove 3 can be used to judge which numerical range is currently in; the groove 3 with the smallest time is used to judge the zero position, so that a zero position can be set for the code disc to facilitate the counting of the outer ring.

[0029] The circular storage disc 1 includes a central hole 14 penetrating the middle part, and a groove position 13 taking the vertical line of the center as the axis; the groove position 13 includes two isosceles triangular prism containing spaces for storing certificates, and is used for placing the certificates.

[0030] Preferably, the encoder disc is arranged on one side of the circular storage disc 1; an annular light transmission hole 15 smaller than the central hole 14 is further arranged on the encoder disc; a light sensor 9 for collecting the light changes of the annular light transmission hole 15 is further arranged on the side of the circular storage disc away from the circular storage disc; the certificate conveying device 4 is arranged on the other side of the circular storage disc 1, and includes a certificate conveying channel 11 for inserting and pushing the certificate 10 into the clamping part 12, and a light source 8 arranged on the upper end of the clamping part 12; the light sensor 9 and the circular storage disc driving device 5 are communicatively connected to the single-chip microcomputer; the light sensor 9 is used for collecting the light changes of the annular light transmission hole 15, so as to judge whether the certificate is sent into the storage groove; when the certificate is sent into the storage groove, the light source 8 on the upper end of the clamping part 12 is blocked by the certificate 10, and the light sensor 9 cannot collect the light, so that it can be judged that the certificate 10 is sent into the groove, and the collected information is transmitted to the single-chip microcomputer; by using the light shielding effect, the light sensor 9 receives the top light source 8; the light source 8 passes through the annular light transmission hole 15 of the circular storage disc 1; when the certificate 10 is conveyed to the position, the certificate 10 just blocks the top light source 8, the light sensor 9 cannot receive the light source 8, and the single-chip microcomputer judges it as 0 or 1 switch state; the single-chip microcomputer gives the motor command of the circular storage disc driving device 5 to stop or continue to rotate.

[0031] The light-sensitive device of the groove-shaped photo-coupler is arranged on the side wall of the groove 3, and the high-level detection signal is output by shielding the trigger groove-shaped photo-coupler; the detection signal output end is electrically connected with the set signal receiving end on the circuit board.

[0032] The groove-shaped photo-coupler is an optical switch, also known as photo-coupler switch or photoelectric eye transmission sensor.

[0033] The utility model discloses a certificate storage equipment rotation position and transmission limiting judgment reading device, combined absolute value servo motor and the technical advantages of incremental stepper motor, certificate circular storage tray 1 below design code disc adopts inside and outside mixed type encoder, is divided into outer ring and inner ring, outer ring uses incremental encoder disc 7, and inner ring uses absolute value encoder, and the outer ring is aligned with certificate storage disc groove 13 with every section. An incremental encoder is installed on the inner ring, and two photoelectric coupler switches are installed on the outer ring. The length of each section of the encoder is different, and when the storage disc rotates, the encoder section passes through the photo-coupler switch, and the photo-coupler switch records the time of each section. The algorithm of the single-chip microcomputer is used to judge the position of the storage groove 13, so as to avoid the problem of affecting the data reading performance caused by the power failure or the mis-triggering of the motor rotation during the running of the motor. The single-chip microcomputer is connected to make the light sensor 9, the certificate 10, and the circular storage disc 1 effectively cooperate to accurately transmit and effectively limit the certificate 10.

[0034] Of course, those skilled in the art should be able to make various corresponding changes and modifications according to the utility model without departing from the spirit and essence of the utility model, but these corresponding changes and modifications should belong to the protection scope of the claims attached to the utility model.

Claims

1. A document storage device rotation positioning and transmission limiting judgment reading device, characterized in that: It comprises an encoder disk, a slot type optical coupling combination for reading data, a circular storage disk for storing certificates, and a single-chip microcomputer connected with the slot type optical coupling combination, the certificate conveying device and the circular storage disk driving device respectively; ​ The encoder disk comprises an absolute encoder disk and an incremental encoder disk, and the encoder disk is arranged in concentric circles; the incremental encoder disk is arranged at the outer ring; and the absolute encoder disk is arranged at the inner ring. The slot type optical coupling combination is arranged below the inner ring and the outer ring to simultaneously collect information of the absolute encoder disk and the incremental encoder disk; the encoder disk is arranged directly below the circular storage disk; and the outer ring is provided with segments which are aligned with the slots of the certificate storage disk. The circular storage disk driving device is mechanically connected with the circular storage disk; and the circular storage disk rotates in unison with the incremental encoder disk of the outer ring. The slot type optical coupling combination comprises a judging optical coupling switch for judging the absolute zero position, two A-phase optical coupling switches and B-phase optical coupling switches for counting and judging the rotating direction of the code disk. The judging optical coupling switch, the A-phase optical coupling switch and the B-phase optical coupling switch are grooves. The judging optical coupling switch is arranged below the segment of the absolute encoder disk of the inner ring; the A-phase optical coupling switch and the B-phase optical coupling switch are arranged below the segments of the incremental encoder disk of the outer ring; and the A-phase optical coupling switch and the B-phase optical coupling switch generate a 90° phase difference.

2. The document storage apparatus rotating positioning and transmission limiting judging and reading device according to claim 1, characterized in that: The circular storage disk comprises a central hole penetrating the middle part and slots which take the vertical line of the central hole as the axis; and the slots comprise two isosceles triangular prism containing spaces for storing certificates.

3. The document storage apparatus rotating positioning and transmission limiting judging and reading device according to claim 2, characterized in that: The encoder disk is arranged at one side of the circular storage disk, and an annular light transmission hole smaller than the central hole is arranged on the encoder disk; and a light sensor for collecting the change of light of the annular light transmission hole is arranged on the side of the encoder disk away from the circular storage disk. The certificate conveying device is arranged at the other side of the circular storage disk, and comprises a certificate conveying channel for inserting and pushing the certificate into the clamping part and a light source arranged at the upper end of the clamping part. The light sensor and the circular storage disk driving device are communicatively connected with the single-chip microcomputer.

4. The document storage apparatus rotating positioning and transmission limiting judging and reading device according to claim 3, characterized in that: The photosensitive device of the slot type optical coupling is arranged on the side wall of the groove, and a high-level detection signal is triggered by shielding to output the slot type optical coupling; and the detection signal output end is electrically connected with the set signal receiving end of the single-chip microcomputer.

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