CN109345954A - Intelligent exhibition information interaction system - Google Patents
Intelligent exhibition information interaction system Download PDFInfo
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- CN109345954A CN109345954A CN201811386712.6A CN201811386712A CN109345954A CN 109345954 A CN109345954 A CN 109345954A CN 201811386712 A CN201811386712 A CN 201811386712A CN 109345954 A CN109345954 A CN 109345954A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
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Abstract
The invention discloses a kind of intelligent exhibition information interaction systems, including RFID tag, RFID reader, single-chip microcontroller, display module, power module, wireless communication module, system server and mobile terminal, RFID tag is connect by RFID reader with single-chip microcontroller, single-chip microcontroller is connect with display module and power module respectively, module is connect with system server and mobile terminal single-chip microcontroller respectively by wireless communication, and RFID reader includes that exhibition is registered module and exhibit-trader's read module；Power module includes voltage input end, the first triode, first capacitor, first resistor, second resistance, the second triode, third transistor, 3rd resistor, the 9th resistance, the first inductance, the 4th resistance, voltage output end, the 8th resistance, the 5th resistance, the 6th resistance, the first zener diode, the 4th triode and the 7th resistance.Circuit structure of the present invention is relatively simple, cost is relatively low, maintain easily, the safety and reliability of circuit is higher.
Description
Technical field
The present invention relates to exhibitions service field, in particular to a kind of intelligent exhibition information interaction system.
Background technique
Exhibition has become an essential important component in modern commercial activity, and businessman is by exhibition production
The information such as product, service, theory pass to consumer, can directly facing face and consumer communication, at present it is various varied
Exhibition, exhibitions be also very more.Existing some Expo Information interactive systems by be deployed in the NFC label at exhibitions scene with
NFC read module can more easily utilize acquisition for mobile terminal spectators basic document and location information, pass through real-time position
Automatic push are met the information of spectators' real-time requirement by confidence breath, system server.Its is highly-safe, easy to maintain, has very
Good scalability and versatility.The component that the power pack of traditional Expo Information interactive system uses is more, circuit structure
Complexity, hardware cost are higher, it has not been convenient to safeguard.In addition, since the power pack of traditional Expo Information interactive system lacks accordingly
Circuit protection function, such as: lack current-limiting protection function, cause the safety and reliability of circuit poor.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, provide a kind of circuit structure compared with
For simple, cost is relatively low, maintains easily, the higher intelligent exhibition information interaction system of the safety and reliability of circuit.
The technical solution adopted by the present invention to solve the technical problems is: a kind of intelligent exhibition information interaction system is constructed,
Including RFID tag, RFID reader, single-chip microcontroller, display module, power module, wireless communication module, system server and shifting
Dynamic terminal, the RFID tag are connect by the RFID reader with the single-chip microcontroller, and the single-chip microcontroller is shown with described respectively
Show that module is connected with power module, the single-chip microcontroller by the wireless communication module respectively with the system server and movement
Terminal connection, the RFID reader include that exhibition is registered module and exhibit-trader's read module；
The power module includes voltage input end, the first triode, first capacitor, first resistor, second resistance, second
Triode, third transistor, 3rd resistor, the 9th resistance, the first inductance, the 4th resistance, voltage output end, the 8th resistance,
Five resistance, the 6th resistance, the first zener diode, the 4th triode and the 7th resistance, the voltage input end respectively with it is described
One end of the emitter of first triode and the 9th resistance connection, the other end of the 9th resistance respectively with the first capacitor
Anode, one end of first resistor connected with one end of second resistance, the cathode of first capacitor ground connection, the one or three pole
The base stage of pipe is connect with the collector of the other end of the first resistor and the second triode respectively, the base of second triode
Pole is connect with the collector of the other end of the second resistance and third transistor respectively, and the emitter of the third transistor connects
Ground, the collector of first triode are connect with one end of first inductance, the other end of first inductance respectively with
One end of 4th resistance, one end of the 6th resistance are connected with the emitter of the 4th triode, the collection of the 4th triode
Electrode is connect with one end of the 7th resistance, the other end of the 7th resistance sun with first zener diode respectively
Pole is connected with the base stage of third transistor, the cathode of first zener diode respectively with the other end of the 6th resistance and
One end of 5th resistance connects, the other end ground connection of the 5th resistance, the other end of the 4th resistance respectively with the electricity
The connection of one end of output end and the 8th resistance is pressed, the other end of the 8th resistance is connect with the base stage of the 4th triode,
The resistance value of 9th resistance is 39k Ω.
In intelligent exhibition information interaction system of the present invention, the power module further includes the second diode, institute
The anode for stating the second diode is connect with the other end of first inductance, the cathode of second diode and the described 4th 3
The emitter of pole pipe connects, the model S-272T of second diode.
In intelligent exhibition information interaction system of the present invention, the power module further includes the second capacitor, described
One end of second capacitor is connect with the collector of the third transistor, the other end of second capacitor and the two or three pole
The base stage of pipe connects, and the capacitance of second capacitor is 320pF.
In intelligent exhibition information interaction system of the present invention, the power module further includes the tenth resistance, described
One end of tenth resistance is connect with the emitter of the third transistor, the other end ground connection of the tenth resistance, and the described tenth
The resistance value of resistance is 46k Ω.
In intelligent exhibition information interaction system of the present invention, first triode and the 4th triode are
PNP type triode, second triode and third transistor are NPN type triode.
In intelligent exhibition information interaction system of the present invention, the wireless communication module is bluetooth module, WIFI
Module, gsm module, GPRS module, CDMA module, CDMA2000 module, WCDMA module, TD-SCDMA module, Zigbee module
Or LoRa module.
Implement intelligent exhibition information interaction system of the invention, have the advantages that due to be equipped with RFID tag,
RFID reader, single-chip microcontroller, display module, power module, wireless communication module, system server and mobile terminal, power supply mould
Block includes that power module includes voltage input end, the first triode, first capacitor, first resistor, second resistance, the two or three pole
Pipe, third transistor, 3rd resistor, the 9th resistance, the first inductance, the 4th resistance, voltage output end, the 8th resistance, the 5th electricity
Resistance, the 6th resistance, the first zener diode, the 4th triode and the 7th resistance, the power module and traditional intelligence Expo Information
The power pack of interactive system is compared, and the component used is less, due to saving some components, can be reduced so hard
Part cost, in addition, the 9th resistance is for carrying out current-limiting protection, therefore circuit structure is relatively simple, cost is relatively low, maintain easily,
The safety and reliability of circuit is higher.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram in intelligent exhibition information interaction system one embodiment of the present invention；
Fig. 2 is the circuit diagram of power module in the embodiment.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In intelligent exhibition information interaction system embodiment of the present invention, the structural representation of the intelligent exhibition information interaction system
Figure is as shown in Figure 1.In Fig. 1, which includes RFID tag 1, RFID reader 2, single-chip microcontroller 3, shows
Show module 4, power module 5, wireless communication module 6, system server 7 and mobile terminal 8, wherein RFID tag 1 passes through RFID
Reader 2 is connect with single-chip microcontroller 3, and single-chip microcontroller 3 is connect with display module 4 and power module 5 respectively, and single-chip microcontroller 3 passes through channel radio
Letter module 6 connect respectively with system server 7 and mobile terminal 8, RFID reader 2 include exhibition register module 21 and exhibit-trader reading
Modulus block 22.
Display module 4 uses liquid crystal display, and the information of display is controllable information, and default can show picture or animation,
When spectators register, display module 4 can show the name of the title of current exhibition and the spectators that register.Wireless communication module 6 is responsible for will
The basic document of spectators is transmitted on system server 7 and matches, so that the intelligent exhibition information interaction system can count
And it analyzes the visit situation of this spectators and pushes relevant information.
The basic document that spectators are stored in RFID tag 1, when RFID tag 1 or mobile terminal 8 and exhibition are registered module
When 21 short-range communication, exhibition module 21 of registering reads and saves spectators' basic document, while viewer profile is passed through channel radio
Letter module 6 uploads to the storage of system server 7.Mobile terminal 8 can be mobile phone or tablet computer etc..
In the present embodiment, wireless communication module 6 is bluetooth module, WIFI module, gsm module, GPRS module, CDMA mould
Block, CDMA2000 module, WCDMA module, TD-SCDMA module, Zigbee module or LoRa module.It is a variety of wireless by being arranged
Communication mode can not only increase the flexibility of communication, moreover it is possible to meet the needs of different user and different occasions.Especially
When it is using LoRa module, farther out, and communication performance is relatively stable, is suitable for higher to QoS requirement for communication distance
Occasion.
When RFID tag 1 or mobile terminal 8 and 22 short-range communication of exhibit-trader's read module, exhibit-trader's read module 22 will be read
The basic document of spectators is taken, while spectators position is uploaded into system server 7.When multiple spectators and same exhibit-trader read
When 22 short-range communication of module, system server 7 be may determine that in the specified period, how many spectators reaches this position,
To count which exhibit-trader more by the concern of spectators.And sight is sent by the exhibit-trader's information interacted with exhibit-trader's read module 22
On many mobile terminals 8.
When 1 mobile terminal 8 of RFID tag is with 22 short-range communication of exhibit-trader's read module, exhibit-trader's read module 22 is by spectators
Basic document and 22 position of exhibit-trader's read module be sent to system server 7, system server 7 according to current location,
The mobile terminal 8 that the product information of exhibit-trader's setting or transmitting advertisement information are reserved to spectators.If spectators at the appointed time with exhibition
When quotient's read module 22 communicates, the dining room nearest apart from spectators current location, museum's outlet information are sent to sight by system server 7
On many mobile terminals 8.
Fig. 2 is the circuit diagram of power module in the present embodiment, and in Fig. 2, which includes voltage input end
Vin, the first triode Q1, first capacitor C1, first resistor R1, second resistance R2, the second triode Q2, third transistor Q3,
3rd resistor R3, the 9th resistance R9, the first inductance L1, the 4th resistance R4, voltage output end Vo, the 8th resistance R8, the 5th resistance
R5, the 6th resistance R6, the first zener diode D1, the 4th triode Q4 and the 7th resistance R7, wherein voltage input end Vin points
It is not connect with one end of the emitter of the first triode Q1 and the 9th resistance R9, the other end of the 9th resistance R9 is electric with first respectively
One end of the anode, first resistor R1 that hold C1 is connected with one end of second resistance R2, the cathode ground connection of first capacitor C1, and the one or three
The base stage of pole pipe Q1 is connect with the Q2 collector of the other end of first resistor R1 and the second triode respectively, the second triode Q2's
Base stage is connect with the collector of the other end of second resistance R2 and third transistor Q3 respectively, and the emitter of third transistor Q3 connects
Ground, the collector of the first triode Q1 are connect with one end of the first inductance L1, and the other end of the first inductance L1 is electric with the 4th respectively
Hinder one end of R4, one end of the 6th resistance R6 connect with the emitter of the 4th triode Q4, the collector of the 4th triode Q4 and
One end of 7th resistance R7 connects, the other end of the 7th resistance R7 respectively with the anode of the first zener diode D1 and the three or three pole
The base stage of pipe Q3 connects, the cathode of the first zener diode D1 respectively with the other end of the 6th resistance R6 and the 5th resistance R5 one
End connection, the 5th resistance R5 the other end ground connection, the other end of the 4th resistance R4 respectively with voltage output end Vo and the 8th resistance
One end of R8 connects, and the other end of the 8th resistance R8 is connect with the base stage of the 4th triode Q4.
For the power module 5 compared with the power pack of traditional Expo Information interactive system, the component used is less, electricity
Line structure is relatively simple, maintains easily, and due to saving some components, can reduce hardware cost in this way.In addition, the 9th electricity
Resistance R9 is current-limiting resistance, and for carrying out current-limiting protection, therefore the safety and reliability of circuit is higher.It is noted that this
In embodiment, the resistance value of the 9th resistance R9 is 39k Ω, and certainly, in practical applications, the resistance value of the 9th resistance R9 can be according to tool
Body situation adjusts accordingly, that is, the resistance value of the 9th resistance R9 can be increased accordingly or be reduced as the case may be.
The working principle of the power module 5 is as follows: when the comfortable t0 moment, the first triode Q1 conducting, voltage passes through first
Inductance L1 reaches the voltage output end Vo of right end, and at this moment the first inductance L1 can generate slow electric current uphill process, when the electricity of right end
The voltage of output end vo is pressed to be greater than the breakdown voltage of the first zener diode D1, the first zener diode D1 reverse-conducting causes
Third transistor Q3 conducting；Also the second triode Q2 is ended, the second triode Q2 cut-off causes the first triode Q1 to end.The
One triode Q1 cut-off, the first inductance L1 are discharged by the first zener diode D1 and third transistor Q3, until first
Zener diode D1 cut-off, to complete a pressure stabilizing period.As long as it can be seen that changing the pressure stabilizing of the first zener diode D1
Value can change output voltage.
In the present embodiment, the first triode Q1 and the 4th triode Q4 are PNP type triode, the second triode Q2 and
Three triode Q3 are NPN type triode.Certainly, in practical applications, the first triode Q1 and the 4th triode Q4 can also be with
It is NPN type triode, the second triode Q2 and third transistor Q3 can also be PNP type triode, but at this moment circuit
Structure also will accordingly change.
In the present embodiment, which further includes the anode and the first inductance of the second diode D2, the second diode D2
The other end of L1 connects, and the cathode of the second diode D2 is connect with the emitter of the 4th triode Q4.Second diode D2 is limited
Diode is flowed, current-limiting protection is carried out for the emitter current to the 4th triode Q4, to further enhance the safety of circuit
And reliability.It is noted that in the present embodiment, the model S-272T of the second diode D2, certainly, in practical application
In, the second diode D2 can also have the diode of similar functions using other models.
In the present embodiment, which further includes one end and the third transistor Q3 of the second capacitor C2, the second capacitor C2
Collector connection, the other end of the second capacitor C2 connect with the base stage of the second triode Q2.Second capacitor C2 is coupled capacitor,
For preventing the interference between the second triode Q2 and third transistor Q3, further to enhance the safety of circuit and reliable
Property.It is noted that the capacitance of the second capacitor C2 is 320pF in the present embodiment, certainly, in practical applications, the second electricity
The capacitance for holding C2 can adjust accordingly as the case may be, that is, the capacitance of the second capacitor C2 can be according to specific
Situation is increased accordingly or is reduced.
In the present embodiment, which further includes the tenth resistance R10, one end of the tenth resistance R10 and third transistor
The emitter of Q3 connects, the other end ground connection of the tenth resistance R10.Tenth resistance R10 is current-limiting resistance, for third transistor
The emitter current of Q3 carries out current-limiting protection, to further enhance current limitation effect.It is noted that in the present embodiment, the tenth
The resistance value of resistance R10 is 46k Ω, and certainly, in practical applications, the resistance value of the tenth resistance R10 can carry out as the case may be
Corresponding adjustment, that is, the resistance value of the tenth resistance R10 can be increased accordingly or be reduced as the case may be.
In short, the power module 5 makes compared with the power pack of traditional Expo Information interactive system in the present embodiment
Component is less, and circuit structure is relatively simple, maintains easily, and due to saving some components, can reduce so hard
Part cost.In addition, being equipped with current-limiting resistance in the power module 5, therefore the safety and reliability of circuit is higher.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of intelligent exhibition information interaction system, which is characterized in that including RFID tag, RFID reader, single-chip microcontroller, display
Module, power module, wireless communication module, system server and mobile terminal, the RFID tag pass through the RFID read-write
Device is connect with the single-chip microcontroller, and the single-chip microcontroller is connect with the display module and power module respectively, and the single-chip microcontroller passes through
The wireless communication module is connect with the system server and mobile terminal respectively, and the RFID reader includes that exhibition is registered
Module and exhibit-trader's read module；
The power module includes voltage input end, the first triode, first capacitor, first resistor, second resistance, the two or three pole
Pipe, third transistor, 3rd resistor, the 9th resistance, the first inductance, the 4th resistance, voltage output end, the 8th resistance, the 5th electricity
Resistance, the 6th resistance, the first zener diode, the 4th triode and the 7th resistance, the voltage input end is respectively with described first
One end of the emitter of triode and the 9th resistance connection, the other end of the 9th resistance respectively with the first capacitor just
Pole, one end of first resistor are connected with one end of second resistance, the cathode ground connection of the first capacitor, first triode
Base stage is connect with the collector of the other end of the first resistor and the second triode respectively, the base stage point of second triode
It is not connect with the collector of the other end of the second resistance and third transistor, the emitter ground connection of the third transistor,
The collector of first triode is connect with one end of first inductance, the other end of first inductance respectively with it is described
One end of 4th resistance, one end of the 6th resistance are connected with the emitter of the 4th triode, the collector of the 4th triode
Connect with one end of the 7th resistance, the other end of the 7th resistance respectively with the anode of first zener diode and
The base stage of third transistor connects, the cathode of first zener diode other end and the 5th with the 6th resistance respectively
One end of resistance connects, the other end ground connection of the 5th resistance, and the other end of the 4th resistance is defeated with the voltage respectively
Outlet is connected with one end of the 8th resistance, and the other end of the 8th resistance is connect with the base stage of the 4th triode, described
The resistance value of 9th resistance is 39k Ω.
2. intelligent exhibition information interaction system according to claim 1, which is characterized in that the power module further includes
Two diodes, the anode of second diode are connect with the other end of first inductance, the cathode of second diode
It is connect with the emitter of the 4th triode, the model S-272T of second diode.
3. intelligent exhibition information interaction system according to claim 2, which is characterized in that the power module further includes
One end of two capacitors, second capacitor is connect with the collector of the third transistor, the other end of second capacitor with
The base stage of second triode connects, and the capacitance of second capacitor is 320pF.
4. intelligent exhibition information interaction system according to claim 3, which is characterized in that the power module further includes
One end of ten resistance, the tenth resistance is connect with the emitter of the third transistor, another termination of the tenth resistance
Ground, the resistance value of the tenth resistance are 46k Ω.
5. intelligent exhibition information interaction system according to any one of claims 1 to 4, which is characterized in that described first
Triode and the 4th triode are PNP type triode, and second triode and third transistor are NPN type triode.
6. intelligent exhibition information interaction system according to any one of claims 1 to 4, which is characterized in that described wireless
Communication module be bluetooth module, WIFI module, gsm module, GPRS module, CDMA module, CDMA2000 module, WCDMA module,
TD-SCDMA module, Zigbee module or LoRa module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811386712.6A CN109345954A (en) | 2018-11-20 | 2018-11-20 | Intelligent exhibition information interaction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811386712.6A CN109345954A (en) | 2018-11-20 | 2018-11-20 | Intelligent exhibition information interaction system |
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| Publication Number | Publication Date |
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| CN109345954A true CN109345954A (en) | 2019-02-15 |
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ID=65316456
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811386712.6A Pending CN109345954A (en) | 2018-11-20 | 2018-11-20 | Intelligent exhibition information interaction system |
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| CN102999769A (en) * | 2012-11-21 | 2013-03-27 | 北京时代凌宇科技有限公司 | Exhibit guiding method |
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| CN204883755U (en) * | 2015-07-28 | 2015-12-16 | 北京电子科技职业学院 | Exhibitions information interaction system based on NFC |
| CN206461522U (en) * | 2017-01-11 | 2017-09-01 | 深圳硕日新能源科技有限公司 | A kind of auto-excitation type reduction voltage circuit |
| CN207337471U (en) * | 2017-08-31 | 2018-05-08 | 昆明云振科技有限公司 | Intelligent library management system |
| CN108491899A (en) * | 2018-02-11 | 2018-09-04 | 西玛特易联（苏州）科技有限公司 | A kind of exhibitions stream of people based on RFID technique monitors the implementation method of system |
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2018
- 2018-11-20 CN CN201811386712.6A patent/CN109345954A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102999769A (en) * | 2012-11-21 | 2013-03-27 | 北京时代凌宇科技有限公司 | Exhibit guiding method |
| CN203366385U (en) * | 2013-05-15 | 2013-12-25 | 汤文荣 | Intelligent exhibition system |
| CN204883755U (en) * | 2015-07-28 | 2015-12-16 | 北京电子科技职业学院 | Exhibitions information interaction system based on NFC |
| CN206461522U (en) * | 2017-01-11 | 2017-09-01 | 深圳硕日新能源科技有限公司 | A kind of auto-excitation type reduction voltage circuit |
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Application publication date: 20190215 |