CN107481518A - Wireless pedestrian's street crossing audiovisual alarming device and system - Google Patents
Wireless pedestrian's street crossing audiovisual alarming device and system Download PDFInfo
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- CN107481518A CN107481518A CN201710933190.6A CN201710933190A CN107481518A CN 107481518 A CN107481518 A CN 107481518A CN 201710933190 A CN201710933190 A CN 201710933190A CN 107481518 A CN107481518 A CN 107481518A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/005—Traffic control systems for road vehicles including pedestrian guidance indicator
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
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Abstract
The invention provides a kind of wireless pedestrian's street crossing audiovisual alarming device and system, belong to field of traffic control.Described device includes：Wireless receiving module, main control module and alarm module, the traffic signals for the pedestrian signal lamp being connected with the wireless transmitter module are received from wireless transmitter module by wireless receiving module, and the traffic signals are sent to main control module, main control module is based on traffic signals generation information warning, is then again exported the information warning by alarm module.The traffic signals of wireless transmitter module transmitting are wirelessly obtained first, without manually connecting up, reduce manual routing's cost；Secondly, warning function is played to pedestrian by information warning, traffic safety can be effectively improved.
Description
Technical field
The present invention relates to field of traffic control, in particular to a kind of wireless pedestrian's street crossing audiovisual alarming device and is
System.
Background technology
As urban highway traffic is increasingly busy, specification crossing traffic order, prevention and reduce it is unordered because of crossing caused by
Traffic accident, improve crossing traffic efficiency, it has also become vehicle supervision department's concerned issue.
And in the prior art, vehicles and pedestrians are indicated mainly by traffic lights, but many times, pedestrian is simultaneously
It will not be observed traffic rules and regulations fully according to the instruction of pedestrian signal lamp to feel, what this also had led to that traffic accident takes place frequently shows
As.For example, if pedestrian signal lamp instruction pedestrian can not now pass through, but some pedestrians pass through on road is seen without vehicle
When, also can passageway by force, if at this moment have suddenly vehicle by, be likely to cause the generation of traffic accident, so, only lean on
Pedestrian signal lamp can not cause full warning function to pedestrian, can not effectively reduce traffic safety.
The content of the invention
It is an object of the invention to provide a kind of wireless pedestrian's street crossing audiovisual alarming device and system, to improve above-mentioned ask
Topic.
What embodiments of the invention were realized in：
A kind of wireless pedestrian's street crossing audiovisual alarming device, including：Wireless receiving module, main control module, the main control module
It is connected with the wireless receiving module；Alarm module, it is connected with the main control module；The main control module is used to pass through the nothing
Line receiving module receives the traffic signals for the pedestrian signal lamp being connected with the wireless transmitter module from wireless transmitter module, and
For generating information warning based on the traffic signals；The alarm module is used to export the information warning.
In preferred embodiments of the present invention, the alarm module includes display module and voice module, the display mould
Block and the voice module are connected with the main control module, and the display module is used to show the information warning, institute's predicate
Sound module is used for information warning described in voice output.
In preferred embodiments of the present invention, described device also includes induction module, the induction module respectively with it is described
Main control module, alarm module connection, the main control module is additionally operable to based on traffic signals generation control instruction, described
Induction module is used to detect on pavement whether have pedestrian according to the control instruction, if detecting on the pavement there is pedestrian
When, then control the alarm module output information warning.
In preferred embodiments of the present invention, described device also includes solar powered module, the solar powered mould
Block is connected with the wireless receiving module, the main control module, the alarm module respectively.
In preferred embodiments of the present invention, the solar powered module includes solar panel, solar control
Device and inverter, the controller for solar are connected with the solar panel and the inverter respectively, the inversion
Device is connected with the wireless receiving module, the main control module, the alarm module respectively.
In preferred embodiments of the present invention, the solar powered module also includes battery, the battery and institute
State controller for solar electrical connection.
In preferred embodiments of the present invention, the wireless receiving module is in zigbee wireless modules, bluetooth module
It is a kind of.
In preferred embodiments of the present invention, the wireless receiving module is LORA wireless communication modules.
In preferred embodiments of the present invention, the LORA wireless communication modules include control module and transport module, institute
State control module to be connected with the transport module, the control module is used to be connected with the wireless transmitter module, the transmission
Module is connected with the main control module.
A kind of wireless pedestrian's street crossing audiovisual caution system, the system include the wireless transmission mould being connected with pedestrian signal lamp
Block and wireless pedestrian's street crossing audiovisual alarming device, the wireless transmitter module connect with the wireless pedestrian's street crossing audiovisual alarming device
Connect.
The beneficial effect of the embodiment of the present invention is：
The embodiment of the present invention provides a kind of wireless pedestrian's street crossing audiovisual alarming device and system, by wireless receiving module from
Wireless transmitter module receives the traffic signals for the pedestrian signal lamp being connected with the wireless transmitter module, and the traffic signals are sent out
Give main control module, main control module is based on traffic signals generation information warning, then again by alarm module by the police
Show that information exports.The traffic signals of wireless transmitter module transmitting are wirelessly obtained first, without manually connecting up, are reduced
Manual routing cost；Secondly, warning function is played to pedestrian by information warning, traffic safety can be effectively improved
Property.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is a kind of structured flowchart of wireless pedestrian's street crossing audiovisual caution system provided in an embodiment of the present invention；
Fig. 2 is a kind of structured flowchart of wireless pedestrian's street crossing audiovisual alarming device provided in an embodiment of the present invention；
Fig. 3 is the structured flowchart of another wireless pedestrian's street crossing audiovisual alarming device provided in an embodiment of the present invention；
Fig. 4 is a kind of structured flowchart of solar powered module provided in an embodiment of the present invention；
Fig. 5 is a kind of structural representation of wireless pedestrian's street crossing audiovisual alarming device provided in an embodiment of the present invention.
Icon：200- is wireless pedestrian's street crossing audiovisual caution system；210- wireless transmitter modules；100- is wireless, and pedestrian's street crossing regards
Listen alarming device；110- wireless receiving modules；120- main control modules；130- alarm modules；132- display modules；134- voice moulds
Block；140- solar powered modules；142- solar panels；144- controller for solar；146- inverters；148- electric power storages
Pond；150- bases；160- cylinders；170- circular holes.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.The present invention implementation being generally described and illustrated herein in the accompanying drawings
The component of example can be configured to arrange and design with a variety of.
Therefore, below the detailed description of the embodiments of the invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.It is common based on the embodiment in the present invention, this area
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
In addition, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that instruction or hint
Relative importance.
In the description of the invention, it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" installation ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can
To be the connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
Other features and advantages of the present invention will illustrate in subsequent specification, also, partly become from specification
It is clear that or understood by implementing the embodiment of the present invention.The purpose of the present invention and other advantages can be by being write
Specifically noted structure is realized and obtained in specification, claims and accompanying drawing.
Fig. 1 is refer to, Fig. 1 is a kind of knot of wireless pedestrian's street crossing audiovisual caution system 200 provided in an embodiment of the present invention
Structure block diagram, the wireless pedestrian's street crossing audiovisual caution system 200 include the wireless transmitter module 210 being connected with pedestrian signal lamp and
Above-mentioned wireless pedestrian's street crossing audiovisual alarming device 100, the wireless transmitter module 210 regard with the wireless pedestrian's street crossing
Alarming device 100 is listened to connect.
Fig. 2 is refer to, Fig. 2 is a kind of knot of wireless pedestrian's street crossing audiovisual alarming device 100 provided in an embodiment of the present invention
Structure block diagram, the wireless pedestrian's street crossing audiovisual alarming device 100 include wireless receiving module 110, main control module 120 and warning
Module 130, the main control module 120 are connected with the wireless receiving module 110, the alarm module 130 and the master control mould
Block 120 connects, and the wireless receiving module 110 is additionally operable to be connected with wireless transmitter module 210, the wireless transmitter module 210 with
Pedestrian signal lamp connects.
In order to avoid carrying out underground preburied pipeline construction laying signal cable on pavement or road surface, or even machinery is needed to set
It is standby to carry out ground fluting, the problem of causing difficulty of construction larger, therefore, the wireless pedestrian's street crossing audiovisual warning dress in the present embodiment
The traffic signals of pedestrian signal lamp transmitting can wirelessly be received by putting 100, reduce manpower construction cost, also, more just
In later maintenance.
In the traffic administration at crossing, during due to vehicle and more pedestrian, many times pedestrian can not be fully according to people's row
The instruction of signal lamp and observe traffic rules and regulations, this may cause the generation of traffic accident, can be by institute in the embodiment of the present invention
State wireless pedestrian's street crossing audiovisual alarming device 100 to be installed on by pavement, for providing passageway instruction to pedestrian.
Wherein, wireless transmitter module 210 is installed in pedestrian signal lamp, is connected with pedestrian signal lamp, and pedestrian signal lamp can
So that traffic signals to be sent to the wireless receiving mould of wireless pedestrian's street crossing audiovisual alarming device 100 by wireless transmitter module 210
Block 110, traffic signals refer to the traffic light signal of pedestrian lamp, for example, an also settable signal picker, people inside pedestrian signal lamp
During the when red of row signal lamp, the red signal now gathered can be transmitted to wireless pedestrian's mistake by wireless transmitter module 210
Street audiovisual alarming device 100.
The wireless receiving module 110 of wireless pedestrian's street crossing audiovisual alarming device 100 can receive wireless transmitter module 210 and send out
The traffic signals sent, 110 traffic signals received of wireless receiving module are sent to master control set.
The main control module 120 be used for by the wireless receiving module 110 from wireless transmitter module 210 receive with it is described
The traffic signals for the pedestrian signal lamp that wireless transmitter module 210 connects, and for generating warning letter based on the traffic signals
Breath.
The alarm module 130 is used to export the information warning.
As a kind of embodiment, wireless transmitter module 210 and wireless receiving module 110 can be the wireless moulds of zigbee
One kind in block, bluetooth module, wireless transmitter module 210 and wireless receiving module 110 are by being wirelessly attached.
As a kind of embodiment, wireless transmitter module 210 and wireless receiving module 110 can also be LORA radio communications
Module, LORA wireless communication modules are half duplex mode of communication, and its working frequency is 410M-525MHz, and reception electric current is 14mA,
And its emission current 120mA@20dBm, transmission power are adjustable：5~20dBm@Step 1dB, the reachable -148dBm of receiving sensitivity,
Transmission rate is 0.123~300kbps.LORA wireless communication modules use spread spectrum mode and efficient forward error correction channel
Technology, so as to which LORA wireless communication modules can have higher receiving sensitivity, while strong antijamming capability, it also has
The advantages of long range transmission and low-power consumption.
As a kind of mode, the LORA wireless communication modules include control module and transport module, the control module
It is connected with the transport module, the control module is used to be connected with the wireless transmitter module 210, the transport module and institute
Main control module 120 is stated to connect.
Wherein, the control module can be processor, for obtaining the traffic signals of the transmission of wireless transmitter module 210,
And the traffic signals are sent to the main control module 120 by the transport module.Transport module can include modulation electricity
Road, transmission circuit, control circuit and transmitting antenna, modulation circuit be used for by from the control module get from wireless transmission
The traffic signals that module 210 sends over are modulated, and the signal after modulation is sent into transmission circuit, and transmission circuit leads to again
Cross transmitting antenna to carry out being transmitted to main control module 120, the modulation circuit is additionally operable to be controlled control circuit, with controlling transmission
The transmitting of circuit.
The main control module 120 can be a kind of IC chip, have the processor of the disposal ability of signal.It is above-mentioned
Processor can be general processor, including central processing unit (Central Processing Unit, abbreviation CPU), network
Processor (Network Processor, abbreviation NP) etc.；It can also be digital signal processor (DSP), application specific integrated circuit
(ASIC), ready-made programmable gate array (FPGA) either other PLDs, discrete gate or transistor logic,
Discrete hardware components.It can realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention.It is general
Processor can be microprocessor or the processor can also be any conventional processor etc..
Fig. 3 is refer to, Fig. 3 is another wireless pedestrian's street crossing audiovisual alarming device 100 provided in an embodiment of the present invention
Structured flowchart, as a kind of embodiment, the alarm module 130 includes display module 132 and voice module 134, described aobvious
Show that module 132 and the voice module 134 are connected with the main control module 120.
The display module 132 is used to show the information warning, and the display module 132 can be LED display, and it can
It is configured with the direction towards the pedestrian for needing passageway, so that pedestrian is clearly visible the information warning shown on LED display.
The LED display can be two, for example, when main control module 120 receives red signal, represent that road vehicle can be with
Communication, and pedestrian is unable to passageway, then main control module 120 generates information warning and is sent respectively to display module 132 and voice module
134.Display module 132 is accordingly shown that such as one of LED shows after the information warning is received to the information warning
Display screen can show " X " of red, and another can show red text " no through traffic ", see that display module 132 is aobvious in pedestrian
During the information warning shown, visual impact can be formed, to warn pedestrian to be now unable to passageway.
The voice module 134 is used for information warning described in voice output, when pedestrian signal lamp is red light, then voice mould
Block 134 sends voice message, such as " no through traffic " voice message, and by sound prompting, pedestrian is now unable to passageway.As one
Kind mode, the voice module 134 can be buzzer.
In addition, and when the green light of pedestrian lamp, pedestrian can be by, then display module 132 can show green
The prompt message such as " ↑ ", " current ", " taking care ", voice module 134 will not send voice message.
Described device also includes induction module, the induction module respectively with the main control module 120, the alarm module
130 connections.
The main control module 120 is additionally operable to be used for root based on traffic signals generation control instruction, the induction module
According to whether having pedestrian on control instruction detection pavement, if detecting when having pedestrian on the pavement, described in control
Alarm module 130 exports information warning.
When main control module 120 receives the traffic signals that pedestrian signal lamp is red light, represent that now pedestrian is unable to passageway,
Control instruction is then generated, to control whether the induction module detection now has pedestrian running red light to jaywalk on pavement.
As a kind of mode, the induction module is ultrasound examination module, and induction module can be super by what is launched
Whether acoustic signals are reflected back, and the time fired back carrys out disturbance in judgement thing and warned with the wireless pedestrian's street crossing audiovisual
The distance of device 100, so as to judge whether there is pedestrian on pavement, for example, induction module can be towards continuously sending out on pavement
The ultrasonic signal of multiple different directions is penetrated, if now have pedestrian running red light passageway on pavement, ultrasonic signal is anti-
It is emitted back towards and, by the time for calculating ultrasonic wave transmitting with receiving, so as to extrapolates barrier from the wireless pedestrian's street crossing audiovisual
The distance of alarming device 100, due to the wireless installation of pedestrian's street crossing audiovisual alarming device 100 and the both sides of street crossing, that is,
It can be set with respect to pavement, the distance between two wireless pedestrian's street crossing audiovisual alarming devices 100 can be exactly pavement
Distance, if one of them wireless pedestrian's street crossing audiovisual alarming device 100 is detecting barrier from the wireless pedestrian's street crossing audiovisual
The distance of alarming device 100 is in the distance on pavement, then may determine that has pedestrian running red light this moment on pavement, then may be used
The voice module 134 of control alarm module 130 sends phonetic warning, such as " being red light now, please retract waiting ", " forbids rushing red
The voice messages such as lamp ".
In order to save the cost of manual routing's power supply, described device also includes solar powered module 140, the solar energy
Power supply module 140 is connected with the wireless receiving module 110, the main control module 120, the alarm module 130 respectively, is used for
Carried out for wireless receiving module 110, the main control module 120, the alarm module 130 solar powered.
Fig. 4 is refer to, Fig. 4 is a kind of structured flowchart of solar powered module 140 provided in an embodiment of the present invention, described
Solar powered module 140 includes solar panel 142, controller for solar 144 and inverter 146, the solar energy
Controller 144 is connected with the solar panel 142 and the inverter 146 respectively, the inverter 146 respectively with it is described
Wireless receiving module 110, the main control module 120, the alarm module 130 connect.
The solar powered module 140 also includes battery 148, the battery 148 and the controller for solar
144 electrical connections.
Wherein, the wireless pedestrian's street crossing audiovisual alarming device 100 can absorb the sun using solar powered module 140
Light, electric energy is converted the solar into, and electric energy is provided for the power device in system, specifically, in solar powered module 140
In, when there is sunshine irradiation, solar panel 142 can be directly to the wireless receiving module 110, the main control module
120th, the alarm module 130 is powered, while a part of electricity is supplied into battery 148, so that battery 148 stores electricity
Amount, in without sunshine or rainy days, powered to power device.
Wherein, the effect of the solar panel 142 is that the emittance of the sun is converted into electric energy, the electric energy one side
Face is transferred to battery 148 and stored, and is on the other hand used to promote the wireless receiving module 110, the main control module
120th, the alarm module 130 works.
As a kind of mode, the effect of the controller for solar 144 is to control the work of whole solar powered module 140
Make state, and additives for overcharge protection, over are played a part of to battery 148.Due to the electric energy of solar panel 142
Carry out what is generated electricity not in accordance with demand, but it is uncontrollable, wherein, the battery 148 is in full capacity or base
During this full capacity, controller for solar 144 can protect the not overcharge of battery 148 and protection solar powered module 140 to export
Voltage be no more than the wireless receiving module 110, the main control module 120, the alarm module 130 allow voltage model
Enclose.Meanwhile the battery 148, after deep discharge, solar panel 142 will not be multiple because the needs of battery 148 charge
Electricity, so as to cause the service life of battery 148 to shorten, i.e., the controller for solar 144 can prevent that the battery 148 is excessive
Electric discharge.
Wherein, the effect of the battery 148 is when there is illumination, and it is unnecessary that solar panel 142 is provided
Power storage is got up, and is discharged again to when needs, and the battery 148 can make the realization pair of its solar powered module 140
The wireless receiving module 110, the main control module 120, the uninterrupted power supply of the alarm module 130, it can be ensured that electricity consumption
Device still has enough electricity can use in rainy days.As a kind of mode, the battery 148 is generally lead-acid battery, small micro-
In type system, or Ni-MH battery, nickel-cadmium cell or lithium battery etc..
Wherein, the effect of the inverter 146 be by converting direct-current power into alternating-current power to the wireless receiving module 110,
The main control module 120, the alarm module 130 provide different grades of voltage.According to the power consumption being actually needed, to determine
The size of the voltage of offer, such as the alternating current of the different voltages such as output 220V or 110V.
In addition, refer to Fig. 5, Fig. 5 is a kind of wireless pedestrian's street crossing audiovisual alarming device 100 provided in an embodiment of the present invention
Structural representation, this is wireless, and pedestrian's street crossing audiovisual alarming device 100 can be cylinder rib type, and it can be provided with base 150,
For being fixed on ground, its upper surface of cylinder 160 is provided with display module 132, is provided with towards pavement direction and is used to install sense
Answer the circular hole 170 of module, wireless receiving module 110 is arranged at the inside of cylinder 160, the sun in solar powered module 140
Energy cell panel 142 may be disposed at the surface of cylinder 160, and large area can be easy to receive sunshine, to ensure as wireless pedestrian's mistake
The electricity consumption module of street audiovisual alarming device 100 provides sufficient power supply.
In summary, the embodiment of the present invention provides a kind of wireless pedestrian's street crossing audiovisual alarming device and system, by wireless
Receiving module receives the traffic signals for the pedestrian signal lamp being connected with the wireless transmitter module from wireless transmitter module, and by described in
Traffic signals are sent to main control module, and main control module is based on traffic signals generation information warning, then again by warning mould
Block exports the information warning.The traffic signals of wireless transmitter module transmitting are wirelessly obtained first, without employment
Work connects up, and reduces manual routing's cost；Secondly, warning function is played to pedestrian by information warning, can be effectively improved
Road traffic safety.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. wireless pedestrian's street crossing audiovisual alarming device, it is characterised in that including：Wireless receiving module, main control module, the main control module are connected with the wireless receiving module；Alarm module, it is connected with the main control module；The main control module is used to receive and the wireless transmitter module from wireless transmitter module by the wireless receiving module The traffic signals of the pedestrian signal lamp of connection, and for generating information warning based on the traffic signals；The alarm module is used to export the information warning.
- 2. wireless pedestrian's street crossing audiovisual alarming device according to claim 1, it is characterised in that the alarm module includes Display module and voice module, the display module and the voice module are connected with the main control module, the display mould Block is used to show the information warning, and the voice module is used for information warning described in voice output.
- 3. wireless pedestrian's street crossing audiovisual alarming device according to claim 1, it is characterised in that described device also includes sense Module is answered, the induction module is connected with the main control module, the alarm module respectively, and the main control module is additionally operable to be based on The traffic signals generate control instruction, and the induction module is used to detect on pavement whether have row according to the control instruction People, if detecting when having pedestrian on the pavement, control the alarm module output information warning.
- 4. wireless pedestrian's street crossing audiovisual alarming device according to claim 1, it is characterised in that described device is also included too It is positive can power supply module, the solar powered module respectively with the wireless receiving module, the main control module, the warning mould Block connects.
- 5. wireless pedestrian's street crossing audiovisual alarming device according to claim 4, it is characterised in that the solar powered mould Block includes solar panel, controller for solar and inverter, the controller for solar respectively with the solar-electricity Pond plate connects with the inverter, the inverter respectively with the wireless receiving module, the main control module, the warning mould Block connects.
- 6. wireless pedestrian's street crossing audiovisual alarming device according to claim 5, it is characterised in that the solar powered mould Block also includes battery, the battery and controller for solar electrical connection.
- 7. wireless pedestrian's street crossing audiovisual alarming device according to claim 1, it is characterised in that the wireless receiving module For one kind in zigbee wireless modules, bluetooth module.
- 8. wireless pedestrian's street crossing audiovisual alarming device according to claim 1, it is characterised in that the wireless receiving module For LORA wireless communication modules.
- 9. wireless pedestrian's street crossing audiovisual alarming device according to claim 8, it is characterised in that the LORA radio communications Module includes control module and transport module, and the control module is connected with the transport module, the control module be used for The wireless transmitter module connection, the transport module are connected with the main control module.
- 10. a kind of wireless pedestrian's street crossing audiovisual caution system, it is characterised in that the system includes what is be connected with pedestrian signal lamp Wireless transmitter module and any described wireless pedestrian's street crossing audiovisual alarming devices of claim 1-9, the wireless transmitter module It is connected with the wireless pedestrian's street crossing audiovisual alarming device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710933190.6A CN107481518A (en) | 2017-10-09 | 2017-10-09 | Wireless pedestrian's street crossing audiovisual alarming device and system |
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| CN201710933190.6A CN107481518A (en) | 2017-10-09 | 2017-10-09 | Wireless pedestrian's street crossing audiovisual alarming device and system |
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| EP3522499A1 (en) * | 2018-02-02 | 2019-08-07 | Stadtwerke Karlsruhe GmbH | Communication system based on lorawan |
| CN110533920A (en) * | 2019-08-05 | 2019-12-03 | 同济大学 | It is a kind of to store up the parking video stake filled based on light |
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| CN204576800U (en) * | 2015-04-14 | 2015-08-19 | 江苏大为科技股份有限公司 | Communicatively road traffic pedestrian's street crossing inductor |
| CN205876624U (en) * | 2016-07-20 | 2017-01-11 | 中能电力科技开发有限公司 | Wind turbine generator system thunder and lightning alarm device |
| CN106327860A (en) * | 2016-11-03 | 2017-01-11 | 姚涛 | Safety traffic intelligent voice prompt system |
| CN206115690U (en) * | 2016-11-03 | 2017-04-19 | 陶唯文 | Intelligence zebra stripes safety traffic reminder system |
| CN106710042A (en) * | 2016-12-20 | 2017-05-24 | 盐城工学院 | Detection system and method based on FRID |
| CN206369579U (en) * | 2017-01-16 | 2017-08-01 | 中铁十六局集团第五工程有限公司 | Goods and materials weigh monitoring system and automatic weighing system |
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| EP3522499A1 (en) * | 2018-02-02 | 2019-08-07 | Stadtwerke Karlsruhe GmbH | Communication system based on lorawan |
| CN108898845A (en) * | 2018-07-12 | 2018-11-27 | 安徽电信工程有限责任公司 | A kind of pavement intelligent monitoring prompt system |
| CN110533920A (en) * | 2019-08-05 | 2019-12-03 | 同济大学 | It is a kind of to store up the parking video stake filled based on light |
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