CN109887457A - A kind of whistle control system and its control method of the semi-transparent display device of subway - Google Patents
A kind of whistle control system and its control method of the semi-transparent display device of subway Download PDFInfo
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- CN109887457A CN109887457A CN201910152625.2A CN201910152625A CN109887457A CN 109887457 A CN109887457 A CN 109887457A CN 201910152625 A CN201910152625 A CN 201910152625A CN 109887457 A CN109887457 A CN 109887457A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 61
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 238000005259 measurement Methods 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000012544 monitoring process Methods 0.000 claims description 14
- 238000012937 correction Methods 0.000 claims description 7
- 230000002787 reinforcement Effects 0.000 claims description 7
- 230000008054 signal transmission Effects 0.000 claims description 7
- 239000005341 toughened glass Substances 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000011084 recovery Methods 0.000 abstract 1
- 239000011521 glass Substances 0.000 description 3
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- 239000005030 aluminium foil Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The invention discloses the whistle control systems and its control method of a kind of semi-transparent display device of subway, including control unit, detection unit, display unit；Described control unit is connect with the detection unit and display unit；Described control unit includes controller and signal processing module；The detection unit includes vibration detection module and pressure detecting module；The vibration detection module includes vialog, and the vialog is used to carry out vibration measurement to subway shield door；The pressure detecting module includes pressure sensor, and the pressure sensor is for measuring the pressure that air-flow when subway enters the station generates shield door；The display unit includes several translucent display screens, and the translucent display screen is for playing advertisement and display car information；The case where present invention, which realizes train and enters the station, breaks advertisement, and train recovery leaving from station plays advertisement, watches platform convenient for passenger, while screen intensity can be adjusted according to light difference, it reach better advertising effect.
Description
Technical field
The present invention relates to the whistle control systems and its control of field of display screen more particularly to a kind of semi-transparent display device of subway
Method processed.
Background technique
With popularizing for subway, advertisement is launched in subway and has become important one of advertisement means of delivery, due to space
It is limited, display screen is mounted on the shield glass of the shield door of subway and not only saves space, and is easy to attract public mesh
Light improves the effect that advertisement is launched.
But display screen is mounted on the shield glass of the shield door of subway and still has following problems: one, is general
Conventional display screen be it is nontransparent, when train enters the station, the sight of occupant can be stopped, influence passenger viewing platform；
In addition, display screen is set as transparent, when train enters the station, transparent display screen plays advertisement and can also make to the sight of passenger
At influence, so train must break advertisement when entering the station, when train is leaving from station, restore to play advertisement；Two, general display screen cannot root
The brightness that screen is adjusted according to the light difference of surrounding influences the result of broadcast of advertisement.
Summary of the invention
The purpose of the present invention is to solve the above problems, propose a kind of signal control system of semi-transparent display device of subway
System and its control method.
In order to achieve the above-mentioned object of the invention, the technical solution adopted by the present invention is accomplished by
A kind of whistle control system of the semi-transparent display device of subway, is applied on the shield door of subway, the shield door packet
Several shield glass are included,
The control system includes control unit, detection unit, display unit；Described control unit and the detection unit
It is connected with display unit；
Described control unit includes controller and signal processing module；The controller is used for the detection unit and shows
Show that unit sends control instruction；The signal processing module is for parsing the signal received；The controller and institute
It states display unit to connect with signal processing module, the signal processing module is connect with the detection unit；
The detection unit includes vibration detection module and pressure detecting module；The vibration detection module includes vibration measuring
Instrument, the vialog are used to carry out vibration measurement to shield door；
The pressure detecting module includes pressure sensor, and the pressure sensor is used to measure air-flow when subway enters the station
The pressure that shield door is generated；
The display unit includes several translucent display screens, and the translucent display screen is mounted on the shield door of subway
On, for playing advertisement and display car information；The translucent display screen is equipped with light sensor, and the light sensor is used
In the light intensity tested around translucent display screen；The light that the translucent display screen is detected according to the light sensor
Line intensity adjustment screen intensity；
Described control unit further includes monitoring modular, and the monitoring modular is connect with signal processing module；The monitoring mould
Block is for monitoring whether each semi-transparent display screen is played simultaneously.
The vibration values of the vialog acquisition shield door, and vibration values are converted into vibration signal and are sent to control unit；
The pressure value that the pressure sensor acquisition shield door is subject to, and pressure value is converted into pressure signal and is sent to letter
Number processing module；
After the signal processing module receives the vibration signal and pressure signal, the vibration signal and pressure are believed
It number is parsed, obtains vibration information and pressure information, if the vibration information and pressure information are the first presupposed information,
Subway enters the station at this time for judgement, and the signal processing module generates first control signal and is sent to the controller, the control
Device sends suspend mode control instruction to the display unit according to first control signal；
After the display unit receives the suspend mode control instruction, carries out breaking advertisement operation and be displayed in full screen compartment letter
Breath；
If after the signal processing module parses vibration signal and pressure signal, obtained vibration information and pressure
When force information is the second presupposed information, then judge that subway is leaving from station at this time, the signal processing module generates second control signal simultaneously
It is sent to the controller, the controller sends to the display unit according to second control signal and wakes up control instruction；
After the display unit receives the wake-up control instruction, plays out advertisement operation and shown below advertisement
Compartment preferably, if described control unit generate first control signal after, described control unit does not connect within a preset time interval
Vibration signal and pressure signal are received, then described control unit generates second control signal, and described control unit is to the display
Unit sends wake-up control instruction and plays out advertisement operation after the display unit receives the wake-up control instruction；
When the monitoring module monitors are played to any semi-transparent display screen delay, postpones signal is sent to the letter
Number processing module, the signal processing module parse postpones signal, generate third control signal and are simultaneously sent to controller,
The controller controls the correction data that prestores of signal acquisition according to the third and is sent to the display unit, the display
Unit is played simultaneously after receiving correction data.
Preferably, if the signal processing module is when default after signal processing module generation first control signal
Between be spaced in do not receive vibration signal and pressure signal, then the signal processing module generates second control signal, the control
Unit processed sends to the display unit according to second control signal and wakes up control instruction, and the display unit receives described call out
After control instruction of waking up, advertisement operation is played out.
Preferably, described control unit further includes memory module, and the memory module is connect with the controller；It is described to deposit
Storage module is for storing institute's advertisement to play data.
Preferably, described control unit obtains the ad data prestored according to second control signal, and single to the display
Member sends the ad data for waking up control instruction and prestoring；After the display unit receives wake-up control instruction, broadcasting is prestored
Ad data.
Preferably, the pressure sensor is set to the shield door of subway close to underground railway track side.
Preferably, the display unit includes the tempered glass set gradually from outside to inside, and translucent display screen transparent is led
Tabula rasa and back transparent baffle, the tempered glass, transparent display screen, transparent light guide plate and back transparent baffle penetrate fixed frame
It is fixed；
The surrounding of the fixed frame is pasted on the shield door of subway by glue, and door ridge is equipped with above the shield door of subway
Beam, the back of the fixed frame is by several suspension hook hanging buckles on the door spine.
Preferably, reinforcement lamp and light-guiding lamp are additionally provided on the display unit, the reinforcement lamp setting is saturating at back
Top between bright baffle and transparent light guide plate, the light-guiding lamp is arranged above the light guide plate or setting is semi-transparent obvious
Top between display screen and transparent light guide plate.
Preferably, serial ports, described control unit and the display are equipped on described control unit and the display unit
Unit is electrically connected by serial ports.
Preferably, the serial ports uses RS485 serial ports, and the RS485 serial ports is transmitted using differential signal transmission mode
Data；The differential signal transmission mode be it is equal by a pair of of transmission line simultaneous transmission amplitude, 180 ° of phase phase difference, polarity phase
Anti- signal；The transmission line is twisted pair.
A kind of signal control method of the semi-transparent display device of subway, this method are applied to one as described in above-mentioned any one
In the whistle control system of the kind semi-transparent display device of subway, this method comprises:
The vibration values of the vialog acquisition shield door, and vibration values are converted into vibration signal and are sent to control unit；
The pressure value that the pressure sensor acquisition shield door is subject to, and pressure value is converted into pressure signal and is sent to letter
Number processing module；
After the signal processing module receives the vibration signal and pressure signal, the vibration signal and pressure are believed
It number is parsed, obtains vibration information and pressure information, if the vibration information and pressure information are the first presupposed information,
Subway enters the station at this time for judgement, and the signal processing module generates first control signal and is sent to the controller, the control
Device sends suspend mode control instruction to the display unit according to first control signal；
After the display unit receives the suspend mode control instruction, carries out breaking advertisement operation and be displayed in full screen compartment letter
Breath；
If after the signal processing module parses vibration signal and pressure signal, obtained vibration information and pressure
When force information is the second presupposed information, then judge that subway is leaving from station at this time, the signal processing module generates second control signal simultaneously
It is sent to the controller, the controller sends to the display unit according to second control signal and wakes up control instruction；
After the display unit receives the wake-up control instruction, plays out advertisement operation and shown below advertisement
Car information.
Beneficial effect
It is of the invention reach the utility model has the advantages that the present invention, which realizes semi-transparent display screen, breaks advertisement when train enters the station, multiply
The case where vehicle personnel are apparent that platform；Meanwhile train it is leaving from station when restore to play advertisement so that in train when entering the station,
The translucent display screen is equipped with light sensor, and the setting of the light sensor makes the translucent display screen according to light
Difference adjusts screen intensity, to reach better advertisement playing effect, more attractive gazes at, and reaches better advertising
Effect；It is equipped with serial ports on described control unit and the display unit, described control unit and the display unit pass through string
Mouth is electrically connected, and the serial ports uses RS485 serial ports, and the RS485 serial ports transmits number using differential signal transmission mode
According to；The differential signal transmission mode be it is equal by a pair of of transmission line simultaneous transmission amplitude, 180 ° of phase phase difference, polarity is opposite
Signal, can effectively prevent signal interference.
Detailed description of the invention
Fig. 1 is a kind of principle modules figure of the whistle control system of the semi-transparent display device of subway of the invention；
Fig. 2 is a kind of correction principle figure of the whistle control system of the semi-transparent display device of subway of the invention；
Fig. 3 is a kind of structural representation of the display unit of the whistle control system of the semi-transparent display device of subway of the invention
Figure；
Fig. 4 is a kind of installation signal of the display unit of the whistle control system of the semi-transparent display device of subway of the invention
Figure；
Fig. 5 is a kind of process flow diagram of the signal control method of the semi-transparent display device of subway of the invention.
Technical characteristic corresponding to label in attached drawing are as follows: tempered glass -1, transparent display screen -2, transparent light guide plate -3,
Back transparent baffle -4, fixed frame -5, light-guiding lamp -6, reinforcement lamp -7, glue -8, shield door -9.
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, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of whistle control system of the semi-transparent display device of subway, is applied on the shield door of subway, institute
Stating control system includes control unit, detection unit, display unit；Described control unit and the detection unit and display unit
Connection；
Described control unit includes controller and signal processing module；The controller is used to send to display unit and control
Instruction；The signal processing module is for parsing the signal received；The controller and the display unit and letter
The connection of number processing module；The signal processing module is connect with the detection unit；
Described control unit further includes memory module, and the memory module is connect with the controller；The memory module
The advertisement to play data for storing.
The detection unit includes vibration detection module and pressure detecting module；The vibration detection module includes vibration measuring
Instrument, the vialog are used to carry out vibration measurement to shield door；
The pressure detecting module includes pressure sensor, and the pressure sensor is used to measure air-flow when subway enters the station
The pressure that shield door is generated；
The display unit includes several translucent display screens, and the translucent display screen is for playing advertisement and display
Car information；The translucent display screen is equipped with light sensor, and the light sensor is for testing translucent display screen week
The light intensity enclosed；The translucent display screen adjusts screen intensity according to the light intensity that the light sensor detects；
The setting of the light sensor makes the translucent display screen adjust screen intensity according to light difference, to reach preferably wide
Result of broadcast is accused, more attractive gazes at, and reaches better advertising effect.
Described control unit further includes monitoring modular, and the monitoring modular is connect with the signal processing module；The prison
Module is surveyed for monitoring whether each semi-transparent display screen is played simultaneously.
The vibration values of the vialog acquisition shield door, and vibration values are converted into vibration signal and are sent to signal processing mould
Block；
The pressure value that the pressure sensor acquisition shield door is subject to, and pressure value is converted into pressure signal and is sent to letter
Number processing module；
After the signal processing module receives the vibration signal and pressure signal, the vibration signal and pressure are believed
It number is parsed, obtains vibration information and pressure information, if the vibration information and pressure information are the first presupposed information,
Subway enters the station at this time for judgement, and the signal processing module generates first control signal and is sent to the controller, the control
Device sends suspend mode control instruction to the display unit according to first control signal；
After the display unit receives the suspend mode control instruction, carries out breaking advertisement operation and be displayed in full screen compartment letter
Breath；
If after the signal processing module parses vibration signal and pressure signal, obtained vibration information and pressure
When force information is the second presupposed information, then judge that subway is leaving from station at this time, the signal processing module generates second control signal simultaneously
It is sent to the controller, the controller sends to the display unit according to second control signal and wakes up control instruction；
After the display unit receives the wake-up control instruction, plays out advertisement operation and shown below advertisement
Compartment preferably, if described control unit generate first control signal after, described control unit does not connect within a preset time interval
Vibration signal and pressure signal are received, then described control unit generates second control signal, and described control unit is to the display
Unit sends wake-up control instruction and plays out advertisement operation after the display unit receives the wake-up control instruction.
If the signal processing module is within a preset time interval after the signal processing module generates first control signal
Vibration signal and pressure signal are not received, then the signal processing module generates second control signal, described control unit root
It is sent according to second control signal to the display unit and wakes up control instruction, the display unit receives the wake-up control and refers to
After order, advertisement operation is played out.
As shown in Fig. 2, sending delay letter when the monitoring module monitors are played to any semi-transparent display screen delay
Number the signal processing module is arrived, the signal processing module parses postpones signal, and it is concurrent to generate third control signal
It is sent to controller, the correction data that the controller is prestored according to third control signal acquisition is simultaneously sent to the display list
Member, the display unit are played simultaneously after receiving correction data.
Described control unit obtains the ad data that prestores from the memory module according to second control signal, and to described
Display unit sends the ad data for waking up control instruction and prestoring；After the display unit receives wake-up control instruction, broadcast
Put the ad data prestored.
The pressure sensor is set to the shield door 9 of subway close to underground railway track side.
As shown in Figure 3 and Figure 4, the display unit includes the tempered glass 1 set gradually from outside to inside, translucent display
Screen 2, transparent light guide plate 3 and back transparent baffle 4, the tempered glass 1, translucent display screen 2, transparent light guide plate 3 and back
Transparent baffle 4 is fixed through fixed frame 5；
The surrounding of the fixed frame 5 is pasted on the shield door 9 of subway by glue 8, is equipped with above the shield door 9 of subway
Door spine (not drawing in attached drawing), the back of the fixed frame 5 is by several suspension hook hanging buckles on the door spine.
As shown in figure 4, being additionally provided with reinforcement lamp 7 and light-guiding lamp 6 on the display unit, the setting of reinforcement lamp 7 exists
Top between back transparent baffle 4 and transparent light guide plate 3, the light-guiding lamp 6 be arranged above the transparent light guide plate 3 or
Top between translucent display screen 2 and transparent light guide plate 3 is set.
Be equipped with serial ports (not drawn in attached drawing) on described control unit and the display unit, described control unit and
The display unit is electrically connected by serial ports；The serial ports uses RS485 serial ports, and the RS485 serial ports is believed using difference
Number transmission mode transmits data；The differential signal transmission mode is, phase equal by a pair of of transmission line simultaneous transmission amplitude
180 ° of phase difference, opposite polarity signal；The setting of this structure can effectively prevent electromagnetic interference, improve data transfer it is accurate
Property.
The transmission line (not drawing in attached drawing) is twisted pair.Aluminium foil mesh grid is provided on the transmission line, this knot
The setting of structure can effectively prevent the signal interference that data are subject in transmission process.
As shown in figure 5, a kind of signal control method of the semi-transparent display device of subway, this method is applied to as above-mentioned any one
In a kind of whistle control system of the semi-transparent display device of subway described in, this method comprises:
The vibration values of the vialog acquisition shield door, and vibration values are converted into vibration signal and are sent to control unit；
The pressure value that the pressure sensor acquisition shield door is subject to, and pressure value is converted into pressure signal and is sent to letter
Number processing module；
After the signal processing module receives the vibration signal and pressure signal, the vibration signal and pressure are believed
It number is parsed, obtains vibration information and pressure information, if the vibration information and pressure information are the first presupposed information,
Subway enters the station at this time for judgement, and the signal processing module generates first control signal and is sent to the controller, the control
Device sends suspend mode control instruction to the display unit according to first control signal；
After the display unit receives the suspend mode control instruction, carries out breaking advertisement operation and be displayed in full screen compartment letter
Breath；
If after the signal processing module parses vibration signal and pressure signal, obtained vibration information and pressure
When force information is the second presupposed information, then judge that subway is leaving from station at this time, the signal processing module generates second control signal simultaneously
It is sent to the controller, the controller sends to the display unit according to second control signal and wakes up control instruction；
After the display unit receives the wake-up control instruction, plays out advertisement operation and shown below advertisement
Car information.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to previous embodiment
Documented technical solution is modified or equivalent replacement of some of the technical features；And these are modified or replace
It changes, the spirit and scope for technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of whistle control system of the semi-transparent display device of subway, is applied on the shield door of subway, which is characterized in that
The control system includes control unit, detection unit, display unit；It described control unit and the detection unit and shows
Show that unit connects；
Described control unit includes controller and signal processing module；The controller is used for single to the detection unit and display
Member sends control instruction；The signal processing module is for parsing the signal received；The controller is shown with described
Show that unit is connected with signal processing module；The signal processing module is connect with the detection unit；
The detection unit includes vibration detection module and pressure detecting module；The vibration detection module includes vialog, institute
Vialog is stated for carrying out vibration measurement to shield door；
The pressure detecting module includes pressure sensor, and the pressure sensor is used to measure air-flow when subway enters the station to screen
Cover the pressure generated；
The display unit includes several translucent display screens, and the translucent display screen is mounted on the shield door of subway,
For playing advertisement and display car information；The translucent display screen is equipped with light sensor, and the light sensor is used for
Test the light intensity around translucent display screen；The light that the translucent display screen is detected according to the light sensor
Intensity adjustment screen intensity；
Described control unit further includes monitoring modular, and the monitoring modular is connect with signal processing module；The monitoring modular is used
Whether it is played simultaneously in each semi-transparent display screen of monitoring.
The vibration values of the vialog acquisition shield door, and vibration values are converted into vibration signal and are sent to signal processing module；
The pressure value that the pressure sensor acquisition shield door is subject to, and pressure value is converted into pressure signal and is sent at signal
Manage module；
After the signal processing module receives the vibration signal and pressure signal, to the vibration signal and pressure signal into
Row parsing, obtains vibration information and pressure information, if the vibration information and pressure information are the first presupposed information, judges
Subway enters the station at this time, and the signal processing module generates first control signal and is sent to the controller, the controller root
Suspend mode control instruction is sent to the display unit according to first control signal；
After the display unit receives the suspend mode control instruction, carries out breaking advertisement operation and be displayed in full screen car information；
If after the signal processing module parses vibration signal and pressure signal, obtained vibration information and pressure is believed
When breath is the second presupposed information, then judge that subway is leaving from station at this time, the signal processing module generates second control signal and sends
To the controller, the controller sends to the display unit according to second control signal and wakes up control instruction；
After the display unit receives the wake-up control instruction, plays out advertisement operation and show compartment below advertisement
Information；
When the monitoring module monitors are played to any semi-transparent display screen delay, postpones signal is sent at the signal
Module is managed, the signal processing module parses postpones signal, generates third control signal and is sent to controller, described
Controller controls the correction data that prestores of signal acquisition according to the third and is sent to the display unit, the display unit
It is played simultaneously after receiving correction data.
2. a kind of whistle control system of the semi-transparent display device of subway according to claim 1, which is characterized in that if described
After signal processing module generates first control signal, the signal processing module does not receive vibration letter within a preset time interval
Number and pressure signal, then the signal processing module generates second control signal, and described control unit is according to second control signal
Wake-up control instruction is sent to the display unit to play out after the display unit receives the wake-up control instruction
Advertisement operation.
3. a kind of whistle control system of the semi-transparent display device of subway according to claim 1, which is characterized in that the control
Unit processed further includes memory module, and the memory module is connect with the controller；The memory module to be broadcast for storing
The ad data put.
4. a kind of whistle control system of the semi-transparent display device of subway according to claim 1, which is characterized in that the control
Unit processed obtains the ad data prestored according to second control signal, and to display unit transmission wake-up control instruction and in advance
The ad data deposited；After the display unit receives wake-up control instruction, the ad data prestored is played.
5. a kind of whistle control system of the semi-transparent display device of subway according to claim 1, which is characterized in that the pressure
Force snesor is set to the shield door close to underground railway track side.
6. a kind of whistle control system of the semi-transparent display device of subway according to claim 1, which is characterized in that described aobvious
Show that unit includes the tempered glass set gradually from outside to inside, translucent display screen, transparent light guide plate and back transparent baffle, institute
Tempered glass, transparent display screen, transparent light guide plate and back transparent baffle is stated to be fixed through fixed frame；
The surrounding of the fixed frame is pasted on the shield door of subway by glue, and door spine is equipped with above the shield door of subway,
The back of the fixed frame is by several suspension hook hanging buckles on the door spine.
7. a kind of whistle control system of the semi-transparent display device of subway according to claim 6, which is characterized in that the institute
It states and is additionally provided with reinforcement lamp and light-guiding lamp on display unit, the reinforcement lamp is arranged between back transparent baffle and transparent light guide plate
Top, the light-guiding lamp be arranged above the transparent light guide plate or setting translucent display screen and transparent light guide plate it
Between top.
8. a kind of whistle control system of the semi-transparent display device of subway according to claim 1, which is characterized in that the control
It is equipped with serial ports on unit processed and the display unit, described control unit and the display unit are electrically connected by serial ports
It connects.
9. a kind of whistle control system of the semi-transparent display device of subway according to claim 8, which is characterized in that the string
Mouth uses RS485 serial ports, and the RS485 serial ports transmits data using differential signal transmission mode；The differential signal transmission
Mode be it is equal by a pair of of transmission line simultaneous transmission amplitude, 180 ° of phase phase difference, opposite polarity signal；The transmission line is
Twisted pair.
10. a kind of signal control method of the semi-transparent display device of subway, which is characterized in that this method is applied to such as claim 1-
In a kind of whistle control system of the semi-transparent display device of subway described in 9 any one, this method comprises:
The vibration values of the vialog acquisition shield door, and vibration values are converted into vibration signal and are sent to signal processing module；
The pressure value that the pressure sensor acquisition shield door is subject to, and pressure value is converted into pressure signal and is sent at signal
Manage module；
After the signal processing module receives the vibration signal and pressure signal, to the vibration signal and pressure signal into
Row parsing, obtains vibration information and pressure information, if the vibration information and pressure information are the first presupposed information, judges
Subway enters the station at this time, and the signal processing module generates first control signal and is sent to the controller, the controller root
Suspend mode control instruction is sent to the display unit according to first control signal；
After the display unit receives the suspend mode control instruction, carries out breaking advertisement operation and be displayed in full screen car information；
If after the signal processing module parses vibration signal and pressure signal, obtained vibration information and pressure is believed
When breath is the second presupposed information, then judge that subway is leaving from station at this time, the signal processing module generates second control signal and sends
To the controller, the controller sends to the display unit according to second control signal and wakes up control instruction；
After the display unit receives the wake-up control instruction, plays out advertisement operation and show compartment below advertisement
Information.
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| CN201910152625.2A CN109887457A (en) | 2019-02-28 | 2019-02-28 | A kind of whistle control system and its control method of the semi-transparent display device of subway |
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| CN201910152625.2A CN109887457A (en) | 2019-02-28 | 2019-02-28 | A kind of whistle control system and its control method of the semi-transparent display device of subway |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111276369A (en) * | 2020-01-10 | 2020-06-12 | 佛山星乔电子科技有限公司 | Information separation control system of transparent display device of subway station |
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