CN109409468A - Show piece information display system - Google Patents
Show piece information display system Download PDFInfo
- Publication number
- CN109409468A CN109409468A CN201811386689.0A CN201811386689A CN109409468A CN 109409468 A CN109409468 A CN 109409468A CN 201811386689 A CN201811386689 A CN 201811386689A CN 109409468 A CN109409468 A CN 109409468A
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- Prior art keywords
- resistance
- triode
- connect
- power module
- transistor
- Prior art date
- Legal status (The legal status 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 status listed.)
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses a kind of show piece information display systems, including microcontroller, touching display screen, simulator locating APP, several RFID electronic label, RFID reader and power module in each exhibit rack, display rack are set, touching display screen, simulator locating APP and RFID reader are connect with microcontroller, RFID reader reads the show piece information stored in RFID electronic label by radio frequency method, and power module is connect, for powering with microcontroller；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 Exhibition Service field, in particular to a kind of show piece information display system.
Background technique
As modern science and technology continues to develop, the application of digital display technique will be ubiquitous.Currently, Multimedia System
It is widely used in the fields such as finance, telecommunications, hospital, sales field, supermarket, hotel, public place.System can broadcast multimedia content
It puts time, broadcasting time and plays range and counted and recorded, more powerful interaction function can also be realized while playing
Can, the medium to make new brings opportunity.Likewise, after show piece is placed on Display Rack, passing through when production or sale
Electronic tag on each Display Rack is set to record show piece information, when needing to check that picture of corresponding product etc. is believed on Display Rack
When breath, so that it may very easily check the information of show piece on different Display Racks, it is quite convenient.However, traditional show piece information exhibition
The component for showing that the power pack of system uses is more, and circuit structure is complicated, and hardware cost is higher, it has not been convenient to safeguard.In addition, by
Lack corresponding circuit protection function in the power pack of traditional show piece information display system, such as: lack current-limiting protection function
Can, 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 show piece information display system of the safety and reliability of circuit.
The technical solution adopted by the present invention to solve the technical problems is: constructing a kind of show piece information display system, wraps
Include microcontroller, touching display screen, simulator locating APP, several RFID electronic label in each exhibit rack, display rack, RFID are set
Reader and power module, the touching display screen, simulator locating APP and RFID reader are connect with the microcontroller,
The RFID reader reads the show piece information stored in the RFID electronic label, the power module by radio frequency method
It is connect with the microcontroller, for powering；
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 show piece information display system of the present invention, the power module further includes the second diode, described
The anode of second diode is connect with the other end of first inductance, the cathode of second diode and the four or three pole
The emitter of pipe connects, the model S-272T of second diode.
In show piece information display system of the present invention, the power module further includes the second capacitor, and described
One end of two capacitors is connect with the collector of the third transistor, the other end of second capacitor and second triode
Base stage connection, the capacitance of second capacitor is 320pF.
In show piece information display system of the present invention, the power module further includes the tenth resistance, and described
One end of ten resistance is connect with the emitter of the third transistor, the other end ground connection of the tenth resistance, the tenth electricity
The resistance value of resistance is 46k Ω.
In show piece information display 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 show piece information display system of the present invention, the wireless communication module is bluetooth module, WIFI mould
Block, gsm module, GPRS module, CDMA module, CDMA2000 module, WCDMA module, TD-SCDMA module, Zigbee module or
LoRa module.
Implement show piece information display system of the invention, has the advantages that due to being equipped with microcontroller, touch-control
Display screen, simulator locating APP, several RFID electronic label, RFID reader and power supply mould in each exhibit rack, display rack are set
Block, power module include power module include 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 electricity
Resistance, the 5th resistance, the 6th resistance, the first zener diode, the 4th triode and the 7th resistance, the power module and tradition are puted on display
The power pack of product information display system is compared, and the component used is less, in this way can be with due to saving some components
Hardware cost is reduced, in addition, the 9th resistance is used to carry out current-limiting protection, therefore circuit structure is relatively simple, cost is relatively low, conveniently
Maintenance, the safety and reliability of circuit are 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 show piece information display 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 show piece information display system embodiment of the present invention, the structural schematic diagram of the show piece information display system is such as
Shown in Fig. 1.In Fig. 1, which includes microcontroller 1, touching display screen 2, simulator locating APP3, several
A RFID electronic label 4 being arranged in each exhibit rack, display rack, RFID reader 5 and power module 6, touching display screen 2, simulation are fixed
Position APP3 and RFID reader 5 are connect with microcontroller 1, and RFID electronic label 4 is for recording show piece information, RFID read-write
Device 5 reads the show piece information that stores in RFID electronic label 4 by radio frequency method, power module 6 connect with microcontroller 1,
For powering.
Simulator locating APP3 is a simulator locating software systems, be may be mounted on mobile terminal, such as: it can install
On mobile phone, tablet computer or PDA, when in use, entity Display Rack is invented by simulator locating APP3 first corresponding
Virtual Display Rack, and shown on touching display screen 2, while showing the show piece on corresponding Display Rack and corresponding RFID
Electronic tag 4.
When there is user that production is needed to see the product information on corresponding Display Rack before touching display screen 2, such as picture, text and view
When frequency, the position for being shown in virtual Display Rack on touching display screen 2 only need to be clicked, touching display screen 2 will issue signal, will be opposite
The serial number of the RFID electronic label 4 on virtual Display Rack is answered to be sent to microcontroller 1, microcontroller 1 sends the signal to RFID reading
Write device 5, RFID reader 5 identifies specific objective by radio frequency method and reads and writes related data, data from being attached to show piece
On RFID electronic label 4 on send out, with recognize automatically with track the show piece.RFID electronic label 4 contains electronics
The information of storage can identify within several meters.It does not need to be within 5 sight of RFID reader, can also be embedded in and be tracked
Show piece within.
When show piece is put Display Rack, RFID electronic label 4 stores corresponding show piece information, including figure
Show piece information after RFID reader 5 reads show piece information, is transmitted to microcontroller by the information such as piece, text and video
1, corresponding show piece information is transmitted to touching display screen 2 and carries out display broadcasting by microcontroller 1.
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 6 compared with the power pack of traditional show piece information display system, the component used is less,
Circuit structure is relatively simple, maintains easily, and due to saving some components, can reduce hardware cost in this way.In addition, the 9th
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
In the present 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 basis
Concrete condition adjusts accordingly, that is, the resistance value of the 9th resistance R9 can be increased accordingly or be subtracted as the case may be
It is small.
The working principle of the power module 6 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, in the present embodiment, the power module 6 compared with the power pack of traditional show piece information display system,
The component used is less, and circuit structure is relatively simple, maintains easily, and due to saving some components, can reduce in this way
Hardware cost.In addition, being equipped with current-limiting resistance in the power module 6, 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 (5)
1. a kind of show piece information display system, which is characterized in that including microcontroller, touching display screen, simulator locating APP,
RFID electronic label, RFID reader and power module in each exhibit rack, display rack, the touching display screen, mould is arranged in several
It drafts an APP and RFID reader to connect with the microcontroller, the RFID reader passes through described in radio frequency method reading
The show piece information stored in RFID electronic label, the power module are connect, for powering with the microcontroller；
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. show piece information display system according to claim 1, which is characterized in that the power module further includes second
Diode, the anode of second diode are connect with the other end of first inductance, the cathode of second diode with
The emitter of 4th triode connects, the model S-272T of second diode.
3. show piece information display system according to claim 2, which is characterized in that the power module further includes second
One end of capacitor, second capacitor is connect with the collector of the third transistor, the other end of second capacitor and institute
The base stage connection of the second triode is stated, the capacitance of second capacitor is 320pF.
4. show piece information display system according to claim 3, which is characterized in that the power module further includes the tenth
One end of resistance, the tenth resistance is connect with the emitter of the third transistor, the other end ground connection of the tenth resistance,
The resistance value of tenth resistance is 46k Ω.
5. show piece information display system according to any one of claims 1 to 4, which is characterized in that the described 1st
Pole pipe and the 4th triode are PNP type triode, and second triode and third transistor are NPN type triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811386689.0A CN109409468A (en) | 2018-11-20 | 2018-11-20 | Show piece information display system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811386689.0A CN109409468A (en) | 2018-11-20 | 2018-11-20 | Show piece information display system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109409468A true CN109409468A (en) | 2019-03-01 |
Family
ID=65474428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811386689.0A Withdrawn CN109409468A (en) | 2018-11-20 | 2018-11-20 | Show piece information display system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109409468A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112315222A (en) * | 2020-10-30 | 2021-02-05 | 国网山东省电力公司博兴县供电公司 | Electric power marketing is brochure for service and is put frame |
-
2018
- 2018-11-20 CN CN201811386689.0A patent/CN109409468A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112315222A (en) * | 2020-10-30 | 2021-02-05 | 国网山东省电力公司博兴县供电公司 | Electric power marketing is brochure for service and is put frame |
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Application publication date: 20190301 |