CN204287966U - A kind of intelligent carriage based on RFID technique - Google Patents
A kind of intelligent carriage based on RFID technique Download PDFInfo
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- CN204287966U CN204287966U CN201420801364.5U CN201420801364U CN204287966U CN 204287966 U CN204287966 U CN 204287966U CN 201420801364 U CN201420801364 U CN 201420801364U CN 204287966 U CN204287966 U CN 204287966U
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- chip microcomputer
- dolly
- servomotor
- voice
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Abstract
Based on an intelligent carriage for RFID technique, comprise wheel (1), tail wheel (2), servomotor (3), chassis (4), circuit board (5), IR evading obstacle sensors (6), card reader (7), single-chip microcomputer (8), voice module (9), display module (10), power module (11), voice output module (12), charged lithium cells (13).The utility model structure is simple, for visitor provides personalized comprehensive explanation to enter for service, meets the self-help guide demand of visitor.
Description
Technical field
The present invention relates to movable-type intelligent speech sound eeplaining system field, especially a kind of intelligent carriage based on RFID technique.
Background technology
In numerous tourist attractions and exhibition center, when visitor views and admires showpiece, can though the showpiece seen is many, but the information understood is really little, substantially will rely on guide interpreting.Because guide's quantity lacks and cost issues, most of spectators can only have a glance at, and put on display of low quality, and lacking individuality is served.
Radio-frequency (RF) identification (Radio Frequency Identification, RFID), as a kind of contactless automatic identification new technology, obtains development rapidly in recent years and progressively moves to maturity.Its principle is the transport property based on radio frequency signal, carries out contactless automatic identification, reaches and automatically identifies identified object, obtains corresponding data and exchanges.Modal recognition methods is serial number storing identification people or object.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of intelligent carriage based on RFID technique, comprise wheel 1, tail wheel 2, servomotor 3, chassis 4, circuit board 5, IR evading obstacle sensors 6, card reader 7, single-chip microcomputer 8, voice module 9, display module 10, power module 11, voice output module 12, charged lithium cells 13; Wheel 1, tail wheel 2, servomotor 3 are all arranged on the chassis 4 of dolly; IR evading obstacle sensors 6, card reader 7, single-chip microcomputer 8, voice module 9, display module 10, power module 11, voice output module 12, charged lithium cells 13 are interconnected to form electric loop, are arranged on circuit board 5; Servomotor 3, IR evading obstacle sensors 6, card reader 7, voice module 9, display module 10 are all connected with single-chip microcomputer 8; Charged lithium cells 13 is connected on power module 11, and voice output module 12 is connected on voice module 9.
Preferably, AT89S52 selected by single-chip microcomputer 8, is the control core of intelligent carriage, and external keeping away hinders sensor, servomotor, voice module, card reader and display module; Receive the various steering orders from card reader and sensor, implement comprehensively controlling of task.
Preferably, IR evading obstacle sensors 6, for detecting barrier, realizes automatic obstacle-avoiding.Dolly headstock installs 3 IR evading obstacle sensors, a middle subtend dead ahead, and left and right sides sensor separately about 30 degree to both sides, detects dead ahead, front right side, front left side obstacle information respectively.Three optoelectronic switch output signals are connected respectively on P1.2, P1.3, P1.4 pin of single-chip microcomputer 8.
Preferably, servomotor 3 adopts Servo-controller to drive dolly to realize substantially cruising action, as advanced (revolver reversion, right take turns rotating forward), retreat (revolver rotates forward, right take turns reversion), turn left (revolver is motionless, right takes turns rotating forward), turn right (revolver reversion, right take turns motionless), stop (left and right wheels is motionless), turn around (turning left or right turnback) etc.The P1.0 pin control of selection single-chip microcomputer 8 is right takes turns servomotor, and the P1.1 pin of single-chip microcomputer 8 controls revolver servomotor, and be connected respectively on the control signal wire of servomotor 3, the power lead of servomotor 3 meets+5V, ground wire grounded.
Preferably, voice module 9 is made up of speech chip, loudspeaker, programmable device and the upper computer software for voice download, programming, pattern setting.Select the P1.5 pin of single-chip microcomputer 8 to connect speech chip RESET and control reset signal, the P1.6 pin of single-chip microcomputer 8 connects speech chip and exports data segment, and select the PWM audio frequency way of output, PWM pin is connected to loudspeaker.
Preferably, display module 10 adopts liquid crystal display LCD1602, has 8 data pin D0 ~ D7 to be connected with single-chip microcomputer P2 mouth, for receiving instruction and data; Single-chip microcomputer is by P3.1, P3.6, P3.7 tri-pins and RS, RW and E tri-port controlling LCD module.
Preferably, RFID inside is made up of RFID wafer and extraneous coil, and often opening electronic tag has unique ID value.
Preferably, select tricycle structure car body, both sides, car body front are driving wheel, and center, rear is equipped with tail wheel and is played a supportive role, and can ensure that dolly can movement flexibly like this.
Preferably, power module 11 adopts 2 joint 3.7V rechargeable type lithium battery series connection 7.4V power supply altogether, through three terminal regulator 7805 through the 6th electric capacity C6, the 7th electric capacity C7 filtering, plays suppression ripple voltage, the effect of filtering high frequency interference in power circuit; 7.4V voltage makes to export and obtains one and stablize level and smooth logic numeral 5V DC voltage to Servo-controller, singlechip chip and sensor power after the voltage transformation of three terminal regulator 7805.
Beneficial effect of the present invention is: structure is simple, and overall price/performance ratio is high, for visitor provides personalized comprehensive explanation to enter for service, meets the self-help guide demand of visitor.
Accompanying drawing explanation
Fig. 1 is dolly one-piece construction schematic diagram of the present invention.
Fig. 2 is system architecture diagram of the present invention.
Fig. 3 is circuit theory diagrams of the present invention.
Fig. 4 is circuit construction of electric power figure of the present invention.
Embodiment
As shown in Figure 1, based on an intelligent carriage for RFID technique, comprise wheel 1, tail wheel 2, servomotor 3, chassis 4, circuit board 5, IR evading obstacle sensors 6, card reader 7, single-chip microcomputer 8, voice module 9, display module 10, power module 11, voice output module 12, charged lithium cells 13; Wheel 1, tail wheel 2, servomotor 3 are all arranged on the chassis 4 of dolly; IR evading obstacle sensors 6, card reader 7, single-chip microcomputer 8, voice module 9, display module 10, power module 11, voice output module 12, charged lithium cells 13 are interconnected to form electric loop, are arranged on circuit board 5; Servomotor 3, IR evading obstacle sensors 6, card reader 7, voice module 9, display module 10 are all connected with single-chip microcomputer 8; Charged lithium cells 13 is connected on power module 11, and voice output module 12 is connected on voice module 9.
The text message of speech sound eeplaining and the routing information of dolly at each showpiece or each sight spot is stored in single-chip microcomputer 8.When dolly is close to showpiece or sight spot label, card reader 7 reading tag card number information, a corresponding sight name of label card or an explanation object, send to single-chip microcomputer 8 by serial ports.Single-chip microcomputer 8 controls motor on the one hand according to the data that receive and drives dolly to realize substantially cruising action, such as, advance, retreat, turn left, turn right, stop, turning around etc. to arrive destination according to specified path; On the other hand single-chip microcomputer 8 is converted into voice signal by voice module 9 and drives loudspeaker to realize explanation to enter for, meet the self-help guide demand of visitor, and single-chip microcomputer 8 controls display module 10 and shown in sight spot or showpiece title simultaneously.
As shown in Figure 2, AT89S52 selected by single-chip microcomputer 8, is the control core of intelligent carriage, and external keeping away hinders sensor, servomotor, voice module, card reader and display module; Receive the various steering orders from card reader and sensor, implement comprehensively controlling of task.
As shown in Figure 3, IR evading obstacle sensors 6, for detecting barrier, realizes automatic obstacle-avoiding.Dolly headstock installs 3 IR evading obstacle sensors, a middle subtend dead ahead, and left and right sides sensor separately about 30 degree to both sides, detects dead ahead, front right side, front left side obstacle information respectively.Three optoelectronic switch output signals are connected respectively on P1.2, P1.3, P1.4 pin of single-chip microcomputer 8.
Servomotor 3 adopts Servo-controller to drive dolly to realize substantially cruising action, as advanced (revolver reversion, right take turns rotating forward), retreat (revolver rotates forward, right take turns reversion), turn left (revolver is motionless, right takes turns rotating forward), turn right (revolver reversion, right take turns motionless), stop (left and right wheels is motionless), turn around (turning left or right turnback) etc.The P1.0 pin control of selection single-chip microcomputer 8 is right takes turns servomotor, and the P1.1 pin of single-chip microcomputer 8 controls revolver servomotor, and be connected respectively on the control signal wire of servomotor 3, the power lead of servomotor 3 meets+5V, ground wire grounded.
Voice module 9 is by speech chip, loudspeaker, programmable device and form for the upper computer software that voice download, programming, pattern are arranged.Select the P1.5 pin of single-chip microcomputer 8 to connect speech chip RESET and control reset signal, the P1.6 pin of single-chip microcomputer 8 connects speech chip and exports data segment, and select the PWM audio frequency way of output, PWM pin is connected to loudspeaker.
Use special rfid interrogator and the electronic tag of special be attached to object, by radiofrequency signal, information is sent to RFID card reader by electronic tag.When RFID being detected in the effective read range of RFID card reader, produce serial intermit.Single-chip microcomputer is read and store electrons tag id values by RXD pin, inquires about the voice address single-chip microcomputer corresponding with reading No. ID and controls by serial ports control model the accurate report that voice output module completes corresponding voice messaging.The RXD pin that RFID card reader data terminal is connected to single-chip microcomputer realizes serial communication, and enable pin ENABLE is controlled by the P1.7 of single-chip microcomputer.
Liquid crystal display LCD1602 has 8 data pin D0 ~ D7 to be connected with single-chip microcomputer P2 mouth, for receiving instruction and data; Single-chip microcomputer is by P3.1, P3.6, P3.7 tri-pins and RS, RW and E tri-port controlling LCD module.
RFID inside is made up of RFID wafer and extraneous coil, and often opening electronic tag has unique ID value.
Select tricycle structure car body, both sides, car body front are driving wheel, and center, rear is equipped with tail wheel and is played a supportive role, and can ensure that dolly can movement flexibly like this.
As shown in Figure 4, power module adopts 2 joint 3.7V rechargeable type lithium battery series connection 7.4V power supply altogether, through three terminal regulator 7805 through the 6th electric capacity C6, the 7th electric capacity C7 filtering, plays suppression ripple voltage, the effect of filtering high frequency interference in power circuit; 7.4V voltage makes to export and obtains one and stablize level and smooth logic numeral 5V DC voltage to Servo-controller, singlechip chip and sensor power after the voltage transformation of three terminal regulator 7805.
Although the present invention illustrates with regard to preferred implementation and describes, only it will be understood by those of skill in the art that otherwise exceed claim limited range of the present invention, variations and modifications can be carried out to the present invention.
Claims (9)
1. the intelligent carriage based on RFID technique, it is characterized in that, comprise wheel (1), tail wheel (2), servomotor (3), chassis (4), circuit board (5), IR evading obstacle sensors (6), card reader (7), single-chip microcomputer (8), voice module (9), display module (10), power module (11), voice output module (12), charged lithium cells (13); Wheel (1), tail wheel (2), servomotor (3) are all arranged on the chassis (4) of dolly; IR evading obstacle sensors (6), card reader (7), single-chip microcomputer (8), voice module (9), display module (10), power module (11), voice output module (12), charged lithium cells (13) are interconnected to form electric loop, are arranged on circuit board (5); Servomotor (3), IR evading obstacle sensors (6), card reader (7), voice module (9), display module (10) are all connected with single-chip microcomputer (8); Charged lithium cells (13) is connected on power module (11), and voice output module (12) is connected on voice module (9).
2. dolly as claimed in claim 1, it is characterized in that, AT89S52 selected by single-chip microcomputer (8), is the control core of intelligent carriage, and external keeping away hinders sensor, servomotor, voice module, card reader and display module; Receive the various steering orders from card reader and sensor, implement comprehensively controlling of task.
3. dolly as claimed in claim 1, it is characterized in that, IR evading obstacle sensors (6), for detecting barrier, realizes automatic obstacle-avoiding; Dolly headstock installs 3 IR evading obstacle sensors, a middle subtend dead ahead, and left and right sides sensor separately about 30 degree to both sides, detects dead ahead, front right side, front left side obstacle information respectively; Three optoelectronic switch output signals are connected respectively on P1.2, P1.3, P1.4 pin of single-chip microcomputer (8).
4. dolly as claimed in claim 1, it is characterized in that, servomotor (3) adopts Servo-controller to drive dolly to realize substantially cruising action, the P1.0 pin control of selection single-chip microcomputer (8) is right takes turns servomotor, the P1.1 pin of single-chip microcomputer (8) controls revolver servomotor, be connected respectively on the control signal wire of servomotor (3), the power lead of servomotor (3) meets+5V, ground wire grounded.
5. dolly as claimed in claim 1, is characterized in that, voice module (9) is by speech chip, loudspeaker, programmable device and form for the upper computer software that voice download, programming, pattern are arranged; Select the P1.5 pin of single-chip microcomputer (8) to connect speech chip RESET and control reset signal, the P1.6 pin of single-chip microcomputer (8) connects speech chip and exports data segment, and select the PWM audio frequency way of output, PWM pin is connected to loudspeaker.
6. dolly as claimed in claim 1, is characterized in that, display module (10) adopts liquid crystal display LCD1602, has 8 data pin D0 ~ D7 to be connected with single-chip microcomputer P2 mouth, for receiving instruction and data; Single-chip microcomputer is by P3.1, P3.6, P3.7 tri-pins and RS, RW and E tri-port controlling LCD module.
7. dolly as claimed in claim 1, is characterized in that, RFID inside is made up of RFID wafer and extraneous coil, and often opening electronic tag has unique ID value.
8. dolly as claimed in claim 1, it is characterized in that, select tricycle structure car body, both sides, car body front are driving wheel, and center, rear is equipped with tail wheel and is played a supportive role.
9. dolly as claimed in claim 1, is characterized in that, power module (11) adopts 2 joint 3.7V rechargeable type lithium battery series connection 7.4V power supply altogether, through three terminal regulator 7805 through the 6th electric capacity C6, the 7th electric capacity C7 filtering; 7.4V voltage makes to export and obtains one and stablize level and smooth logic numeral 5V DC voltage to Servo-controller, singlechip chip and sensor power after the voltage transformation of three terminal regulator 7805.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420801364.5U CN204287966U (en) | 2014-12-18 | 2014-12-18 | A kind of intelligent carriage based on RFID technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420801364.5U CN204287966U (en) | 2014-12-18 | 2014-12-18 | A kind of intelligent carriage based on RFID technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204287966U true CN204287966U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420801364.5U Expired - Fee Related CN204287966U (en) | 2014-12-18 | 2014-12-18 | A kind of intelligent carriage based on RFID technique |
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| Country | Link |
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| CN (1) | CN204287966U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104460676A (en) * | 2014-12-18 | 2015-03-25 | 南京化工职业技术学院 | Intelligent trolley based on RFID technology |
| CN109080504A (en) * | 2018-08-28 | 2018-12-25 | 西安交通工程学院 | Multifunctional intelligent device based on Arduino platform |
-
2014
- 2014-12-18 CN CN201420801364.5U patent/CN204287966U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104460676A (en) * | 2014-12-18 | 2015-03-25 | 南京化工职业技术学院 | Intelligent trolley based on RFID technology |
| CN104460676B (en) * | 2014-12-18 | 2017-08-25 | 南京科技职业学院 | A kind of intelligent carriage based on RFID technique |
| CN109080504A (en) * | 2018-08-28 | 2018-12-25 | 西安交通工程学院 | Multifunctional intelligent device based on Arduino platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20161218 |