CN107567143B - A kind of guardrail anticollision device, collision-prevention device for having both hypervelocity and warning and illuminating - Google Patents
A kind of guardrail anticollision device, collision-prevention device for having both hypervelocity and warning and illuminating Download PDFInfo
- Publication number
- CN107567143B CN107567143B CN201710876897.8A CN201710876897A CN107567143B CN 107567143 B CN107567143 B CN 107567143B CN 201710876897 A CN201710876897 A CN 201710876897A CN 107567143 B CN107567143 B CN 107567143B
- Authority
- CN
- China
- Prior art keywords
- higher level
- module
- microprocessor
- communication module
- guardrail
- 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.)
- Active
Links
Landscapes
- Traffic Control Systems (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The present invention discloses a kind of guardrail anticollision device, collision-prevention device for having both hypervelocity and warning and illuminating, comprising: host computer and several slave computers；The host computer includes: higher level's microprocessor, and the higher level's lighting module, higher level's power supply module, higher level's speed measuring module, higher level's communication module and the higher level's optical sensor that connect respectively with higher level's microprocessor；The slave computer includes: secondary microprocessor, and the secondary illumination module, secondary power module, secondary communication module and the secondary optical sensor that connect respectively with secondary microprocessor；Higher level's communication module of the host computer and the secondary communication module of slave computer are wirelessly connected, and are wirelessly connected between the secondary communication module of slave computer.The present invention can solve the lighting problem of bend, can also solve the problems, such as the light pollution on overhead road bridge road surface；The present invention has hypervelocity alarm function, prompts driver to reduce speed safety in time；The present invention has collision prevention function, avoids vehicle from going out guardrail, has a car accident.
Description
Technical field
The present invention relates to shaped traffic device field more particularly to a kind of guardrail anticollision device, collision-prevention devices for having both hypervelocity and warning and illuminating.
Background technique
Drive over the speed limit and have become " the first killer of road ", the generation of accident mainly due to overspeed of vehicle, by safety away from
From enforcement.Avoid the generation of these accidents other than safety education, popularization of knowledge, it is also necessary to have the alert device of some auxiliary
To reduce traffic accident.
It drives over the speed limit to supervise, ITS technology is applied in traffic administration, and urban road and highway are generally installed
HD video captures equipment, but the problems such as capture equipment cost and installation due to HD video, only in certain distance and
Key position just has installation.Easily making part driver in this way, there are ideas of leaving things to chance, drive over the speed limit all the way on highway, have arrived speed measuring point
Ability reduction of speed passes through, to cause many security risks.
As the development of automobile intelligent technology produces vehicle anti-collision early warning system, vehicle anti-collision early warning system can be helped
Identification judges various potential dangerous situations, and by different sound and visual alerts, to help driver to avoid or slow down
Collision accident.Due to cost problem, vehicle anti-collision early warning system is popularized not on numerous automobiles.
In addition, traditional solution is exactly to use high pole street lamp as lighting apparatus, this side in city illumination
The drawback of case maximum is exactly that the light pollution at night is brought to the resident of surrounding, the serious normal rest for affecting resident, especially
That elevated bridge in some large size cities is passed through between residential building, caused by light pollution it is even more serious.
Also it is exactly the viaduct in urban road, in order to solve the illumination on road surface, is stuck on graceful grade separation bridge floor
High pole street lamp one by one, seriously affects beauty, wherein and it in the access bridge part of these viaducts is all bend, sight is bad, and
It is often exactly the universal not no lamp installation of road lighting in this corner, easily hair traffic accident.
Therefore, the prior art is defective, needs to improve.
Summary of the invention
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of guardrail anticollision for having both hypervelocity and warning and illuminating
Device.
Technical scheme is as follows: a kind of guardrail anticollision device, collision-prevention device for having both hypervelocity and warning and illuminating, comprising: host computer
With several slave computers；The host computer includes: higher level's microprocessor, and the higher level's illumination connecting respectively with higher level's microprocessor
Module, higher level's power supply module, higher level's speed measuring module, higher level's communication module and higher level's optical sensor；The slave computer includes: secondary
Microprocessor, and connect respectively with secondary microprocessor secondary illumination module, secondary power module, secondary communication module and
Secondary optical sensor；Higher level's communication module of the host computer and the secondary communication module of slave computer are wirelessly connected, slave computer
It is wirelessly connected between secondary communication module.
Further, higher level's power supply module and secondary power module include: charge management circuit, solar battery
Plate, lithium battery group；The solar panel and lithium battery group are electrically connected with charge management circuit respectively, higher level's power supply module
In the output end of charge management circuit be electrically connected higher level's microprocessor, the charge management circuit in secondary power module it is defeated
Outlet is electrically connected secondary microprocessor.
Further, higher level's speed measuring module includes: velocity radar sensor and Computational Method of Velocity Measurement control circuit；The survey
The output end of fast radar sensor and one end of Computational Method of Velocity Measurement control circuit are electrically connected, the other end of Computational Method of Velocity Measurement control circuit
It is electrically connected higher level's microprocessor.
Further, the host computer further includes casing, higher level's microprocessor, higher level's lighting module in host computer, on
Grade speed measuring module, higher level's communication module, higher level's optical sensor and charge management circuit and lithium battery in higher level's power supply module
Group is arranged in casing, and the cross section of the host computer casing is trapezoidal or by road, inside concave surface is corresponding on one side with guardrail
Convex surface.
Further, the slave computer further includes casing, secondary microprocessor, secondary illumination module in slave computer, secondary
Grade communication module, secondary optical sensor and charge management circuit in secondary power module and lithium battery group are arranged in casing
Interior, the cross section of the slave computer casing is trapezoidal or with guardrail by the road corresponding convex surface in inside concave surface on one side.
Further, the host computer and/or slave computer are mounted on guardrail by road one side inside concave surface, and higher level illuminates mould
Block and/or the setting of secondary illumination module are towards road side.
Further, higher level's lighting module and/or secondary illumination module include: LED warning lamp and LED illumination road
Lamp.
Further, higher level's communication module and/or secondary communication module are RS485 communication interface.
Using the above scheme, the method have the advantages that:
1, the present invention can solve the light pollution problem on overhead road bridge road surface, the irradiating angle of the lighting module in the present invention
Range is just covered in three lanes of road, avoids the space other than strong illumination to road surface, that is, avoiding unnecessary illumination
Overpass two sides resident work and rest is influenced, and can prevent extra illumination from realizing to driver and generate dazzle, maintains driving safety；
2, illumination of the present invention as grade separation access bridge section, using the guard rail steel pipe of access bridge itself as the carrier of lamps and lanterns,
Without additionally mounted lamp stand, that is, cost and material are saved, and alleviates body of a bridge weight；The illumination that can solve bend is asked
Topic, and the succinct of bridge floor is maintained, there is very wide application prospect；
3, the present invention has hypervelocity alarm function, and the vehicle of hypervelocity is detected by the velocity radar sensor in device
Afterwards, it is displayed in red in the slave computer of vehicle front or the over-speed warning light of blue, prompting vehicle has exceeded the speed limit, prompting vehicle slows down
It goes slowly, especially in Dangerous Area, the present invention can prompt driver to reduce speed safety in time；
4, the present invention has collision prevention function, and the present invention is made of multiple host nodes, and each node cooperation corrugated guardrail is everywhere
Figuration, the present invention in microprocessor by algorithm judge vehicle drive towards guardrail speed per hour whether have will collide can
Can, to control warning lamp warning flashing, the danger for telling vehicle that may collide prompts driver's slow down, avoids
Vehicle goes out guardrail, has a car accident.
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
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of host computer in the present invention；
Fig. 2 is the structural schematic diagram of slave computer in the present invention；
Fig. 3 is the communication connection schematic diagram of upper computer and lower computer in the present invention；
Fig. 4 is the shape assumption diagram of host computer in the present invention；
Fig. 5 uses schematic diagram for of the invention；
Fig. 6 is the work flow diagram of host computer in the present invention；
Fig. 7 is the work flow diagram of slave computer in the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
The present invention provides a kind of guardrail anticollision device, collision-prevention device for having both hypervelocity and warning and illuminating, comprising: host computer 1 and several bottoms
Machine 2；The host computer 1 includes: higher level's microprocessor 11, and the higher level's lighting module connecting respectively with higher level's microprocessor 11
13, higher level's power supply module 12, higher level's speed measuring module 16, higher level's communication module 14 and higher level's optical sensor 15；The slave computer 2 wraps
It includes: secondary microprocessor 21, and the secondary illumination module 23, the secondary power module that are connect respectively with secondary microprocessor 21
22, secondary communication module 24 and secondary optical sensor；Higher level's communication module 14 of the host computer 1 and the secondary of slave computer 2 are logical
It interrogates module 24 to be wirelessly connected, be wirelessly connected between the secondary communication module 24 of slave computer 2.
As one embodiment, higher level's communication module 14 and secondary communication module 24 use RS485 communication interface.This
Invention is used as a node, can multiple nodes be used cooperatively, it is logical using RS485 communication interface to carry out networking between each node
News, wherein host computer 1 and slave computer 2 in each node carry out combined network communication also by RS485 communication interface.
Wherein, for host computer 1 than more than 2 higher level's speed measuring modules 16 of slave computer, higher level's speed measuring module 16 includes: to test the speed
Radar sensor and Computational Method of Velocity Measurement control circuit；The output end of the velocity radar sensor and the one of Computational Method of Velocity Measurement control circuit
End is electrically connected, and the other end of Computational Method of Velocity Measurement control circuit is electrically connected higher level's microprocessor 11.
Higher level's power supply module 12 and secondary power module 22 include: charge management circuit, solar panel 121,
Lithium battery group；The solar panel 121 and lithium battery group are electrically connected with charge management circuit respectively, higher level's power supply module
The output end of charge management circuit in 12 is electrically connected higher level's microprocessor 11, the Charge Management electricity in secondary power module 22
The output end on road is electrically connected secondary microprocessor 21.
As one embodiment, the host computer 1 further includes casing, higher level's microprocessor 11, Shang Jizhao in host computer 1
Filling in bright module 13, higher level's speed measuring module 16, higher level's communication module 14, higher level's optical sensor 15 and higher level's power supply module 12
Fulgurite manages circuit and lithium battery group is arranged in casing, and the cross section of the host computer 1 is trapezoidal or with guardrail by road one side
The corresponding convex surface in inside concave surface.
Correspondingly, the slave computer 2 further includes casing, secondary microprocessor 21, secondary illumination module in slave computer 2
23, secondary communication module 24, secondary optical sensor 25 and charge management circuit and lithium battery group in secondary power module 22
It is arranged in casing, the cross section of 2 casing of slave computer is trapezoidal or by road, inside concave surface is corresponding on one side with guardrail
Convex surface.Wherein, the casing of the host computer 1 and slave computer 2 is mounted on guardrail by road one side inside concave surface, the solar-electricity
Pond plate 121/221 is mounted on the other side of corrugated guardrail, to not influence vehicle pass-through.
Higher level's lighting module 13 and the setting of secondary illumination module 23 are in casing towards road side.Higher level's illumination
Module 13 and secondary illumination module 23 include: LED warning lamp and LED lighting street light.The LED warning lamp and LED lighting street light
Irradiation angle range be higher level's lighting module 13 or secondary illumination module 23 and opposite road edge the shortest route one end to
15 ° of upper offset is downward between 5 ° to the other end.The irradiation angle range is just covered in three lanes of road, avoids strong light
It is irradiated to the space other than road surface, that is, avoids unnecessary illumination effect overpass two sides resident from working and resting, and extra illumination can be prevented
Driver is realized and generates dazzle, maintains driving safety.
Working principle of the present invention:
When higher level's optical sensor 15 of host computer 1 senses that environment illumination intensity is stronger, higher level's microprocessor 11 controls LED
Illuminating street lamp closes white illumination lamp, and control LED warning lamp closes red warning light；When higher level's optical sensor 15 senses environment
Intensity of illumination weakens, and signal is passed to higher level's microprocessor 11 in host computer 1, and higher level's microprocessor 11 controls LED and shines
Bright street lamp opens white illumination lamp.Similarly, the secondary microprocessor 21 on slave computer 2 passes through the secondary perception of optical sensor 25 environment
Intensity of illumination, controls LED lighting street light and LED warning lamp opens or closes.
If have vehicle to pass through on road, higher level's speed measuring module 16 in host computer 1 detects whether vehicle exceeds the speed limit, and works as vehicle
When hypervelocity, higher level's microprocessor 11 in host computer 1 controls LED lighting street light and closes white illumination lamp, controls LED warning lamp
Open red warning light.When vehicle driving goes out the monitoring range of a node, into next node detection range when, a upper dress
Higher level's microprocessor 11 in setting controls LED lighting street light and opens white illumination lamp, and control LED warning lamp closes red warning
Lamp, wherein the shut-in time of LED warning lamp is delayed according to car speed.
Secondary optical sensor 25 voluntarily controls LED lighting street light according to the environment illumination intensity sensed and closes in slave computer 2
White illumination lamp is closed or opens, when higher level's speed measuring module 16 in host computer 1 detects overspeed of vehicle, higher level's microprocessor 11 is controlled
The RS485 communication interface broadcast warning lamp instruction of host computer 1, so that the LED warning lamp for controlling multiple slave computers 2 opens red police
Lamp is accused, to make multiple LED red warning lamp synchronous flashings.
As shown in figure 5, software receives the instruction of main controller for from node procedure flow chart, extracted from instruction stream effective
Instruction, the corresponding operating executed instruction.
Communication protocol between main controller and slave is mainly made of packet header, backpack body and packet tail three parts.Packet header HEAD is
Started with 0x01 (SOH), 0X02 (STX) character, intermediate backpack body contains the data of transmitting, and packet tail contains data packet
It verifies and is finally terminated with 0x04 (EOT).The order of control has:
1, red light, the lamp of closing are opened
2, white lamp is opened, red light is closed
3, white lamp is closed, red light is closed
Wherein, the combination of ADDR represents the number of slave computer 2, and ADDR is that " * " number represents broadcast, and primary control program is all
Slave sends control command.After slave computer 2 receives order, start to execute the switch of lamp, brightness control, and return to ACK operation
Success.
We explain an actual data below:
0x01(SOH) 0x02(STX) 0x31 0x30 0x30 0x31 0x30 0x31 0x32 0x30 CRC 0X04
(EOT)
The IA of transmission is 100, instruction 1: opening red light, the lamp of closing, brightness data: 120
0x01(SOH) 0x02(STX) 0x31 0x30 0x30 0x31(OR 0x30) CRC 0X04(EOT)
The IA of response is 100, operates successfully 1 failure 0
In conclusion the present invention provides a kind of guardrail anticollision device, collision-prevention device for having both hypervelocity and warning and illuminating, have following beneficial to effect
Fruit:
1. the present invention can solve the light pollution problem on overhead road bridge road surface, the irradiating angle of the lighting module in the present invention
Range is just covered in three lanes of road, avoids the space other than strong illumination to road surface, that is, avoiding unnecessary illumination
Overpass two sides resident work and rest is influenced, and can prevent extra illumination from realizing to driver and generate dazzle, maintains driving safety；
2. illumination of the present invention as grade separation access bridge section, using the guard rail steel pipe of access bridge itself as the carrier of lamps and lanterns,
Without additionally mounted lamp stand, that is, cost and material are saved, and alleviates body of a bridge weight；The illumination that can solve bend is asked
Topic, and the succinct of bridge floor is maintained, there is very wide application prospect；
3. the present invention has hypervelocity alarm function, the vehicle of hypervelocity is detected by the velocity radar sensor in device
Afterwards, it is displayed in red in the slave computer of vehicle front or the over-speed warning light of blue, prompting vehicle has exceeded the speed limit, prompting vehicle slows down
It goes slowly, especially in Dangerous Area, the present invention can prompt driver to reduce speed safety in time；
4. the present invention has collision prevention function, the present invention is made of multiple host nodes, and each node cooperation corrugated guardrail is everywhere
Figuration, the present invention in microprocessor by algorithm judge vehicle drive towards guardrail speed per hour whether have will collide can
Can, to control warning lamp warning flashing, the danger for telling vehicle that may collide prompts driver's slow down, avoids
Vehicle goes out guardrail, has a car accident.
The above is merely preferred embodiments of the present invention, be not intended to restrict the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (4)
1. a kind of guardrail anticollision device, collision-prevention device for having both hypervelocity and warning and illuminating characterized by comprising host computer and several bottoms
Machine；The host computer includes: higher level's microprocessor, and connect respectively with higher level's microprocessor higher level's lighting module, higher level
Power supply module, higher level's speed measuring module, higher level's communication module and higher level's optical sensor；The slave computer includes: secondary microprocessor,
And secondary illumination module, secondary power module, secondary communication module and the secondary light connecting respectively with secondary microprocessor pass
Sensor；Higher level's communication module of the host computer and the secondary communication module of each slave computer are wirelessly connected, all slave computers
It is wirelessly connected between secondary communication module；Higher level's lighting module and the irradiation angle range of the secondary illumination module are point
15 ° to downward 5 ° of the other end are not offset up with one end of opposite road edge the shortest route；
Higher level's power supply module and secondary power module include: charge management circuit, solar panel, lithium battery group,
Wherein, the solar panel and lithium battery group are electrically connected with charge management circuit respectively；Filling in higher level's power supply module
The output end that fulgurite manages circuit is electrically connected higher level's microprocessor, the output end electricity of the charge management circuit in secondary power module
Property connection secondary microprocessor；
The host computer further includes casing, higher level's microprocessor, higher level's lighting module, higher level's speed measuring module in host computer, on
Grade communication module, higher level's optical sensor and charge management circuit in higher level's power supply module and lithium battery group are arranged in casing
Interior, the cross section of the host computer casing is trapezoidal or with guardrail by the road corresponding convex surface in inside concave surface on one side；
Higher level's speed measuring module includes: velocity radar sensor and Computational Method of Velocity Measurement control circuit；The velocity radar sensor
Output end and one end of Computational Method of Velocity Measurement control circuit be electrically connected, the other end of Computational Method of Velocity Measurement control circuit is electrically connected higher level
Microprocessor；
Whether higher level's microprocessor has the possibility that will be collided by the speed per hour that algorithm judges that vehicle drives towards guardrail, from
And warning lamp warning flashing is controlled, the danger for telling vehicle that may collide prompts driver's slow down, vehicle is avoided to rush
Guardrail out has a car accident.
2. the guardrail anticollision device, collision-prevention device according to claim 1 for having both hypervelocity and warning and illuminating, which is characterized in that the bottom
Machine further includes casing, secondary microprocessor, secondary illumination module in slave computer, secondary communication module, secondary optical sensor with
And charge management circuit in secondary power module and lithium battery group are arranged in casing, the cross section of the slave computer casing is
It is trapezoidal or with guardrail by the road inside corresponding convex surface in concave surface on one side.
3. the guardrail anticollision device, collision-prevention device according to claim 1 for having both hypervelocity and warning and illuminating, which is characterized in that the higher level
Lighting module and/or secondary illumination module include: LED warning lamp and LED lighting street light.
4. the guardrail anticollision device, collision-prevention device according to claim 1 for having both hypervelocity and warning and illuminating, which is characterized in that the higher level
Communication module and/or secondary communication module are RS485 communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710876897.8A CN107567143B (en) | 2017-09-25 | 2017-09-25 | A kind of guardrail anticollision device, collision-prevention device for having both hypervelocity and warning and illuminating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710876897.8A CN107567143B (en) | 2017-09-25 | 2017-09-25 | A kind of guardrail anticollision device, collision-prevention device for having both hypervelocity and warning and illuminating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107567143A CN107567143A (en) | 2018-01-09 |
| CN107567143B true CN107567143B (en) | 2019-11-12 |
Family
ID=60981875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710876897.8A Active CN107567143B (en) | 2017-09-25 | 2017-09-25 | A kind of guardrail anticollision device, collision-prevention device for having both hypervelocity and warning and illuminating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107567143B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111028522A (en) * | 2019-11-28 | 2020-04-17 | 王业宏 | Town road hypervelocity warning system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202798048U (en) * | 2012-07-20 | 2013-03-13 | 天津市芬奇动视科技发展有限公司 | Multifunctional mobile lighting charger |
| CN204190447U (en) * | 2014-11-10 | 2015-03-04 | 厦门拓宝科技有限公司 | A kind of portable type solar energy portable power source |
| CN204717540U (en) * | 2015-06-29 | 2015-10-21 | 向三名 | A kind of intelligent road-lamp and the Radio Network System set up by it |
| CN105822984A (en) * | 2016-04-27 | 2016-08-03 | 哈尔滨金都太阳能科技有限公司 | Wind-light complementary street lamp |
| CN205782513U (en) * | 2016-05-25 | 2016-12-07 | 象山赛柏斯智能科技有限公司 | A kind of multi-functional street lamp |
| CN106439720A (en) * | 2016-10-14 | 2017-02-22 | 厦门兴泰启贤新能源科技有限公司 | Integrated double-system mobile light energy streetlamp holder |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103287325A (en) * | 2013-05-31 | 2013-09-11 | 王辉 | Automobile tailgating and colliding prevention warning device |
| CN104129377B (en) * | 2014-07-25 | 2017-08-04 | 杭州电子科技大学 | Automobile active anticollision adaptive fuzzy control method |
| CN204786085U (en) * | 2015-06-29 | 2015-11-18 | 昆明理工大学 | Luminous rail guard of response in dangerous highway section of highway |
-
2017
- 2017-09-25 CN CN201710876897.8A patent/CN107567143B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202798048U (en) * | 2012-07-20 | 2013-03-13 | 天津市芬奇动视科技发展有限公司 | Multifunctional mobile lighting charger |
| CN204190447U (en) * | 2014-11-10 | 2015-03-04 | 厦门拓宝科技有限公司 | A kind of portable type solar energy portable power source |
| CN204717540U (en) * | 2015-06-29 | 2015-10-21 | 向三名 | A kind of intelligent road-lamp and the Radio Network System set up by it |
| CN105822984A (en) * | 2016-04-27 | 2016-08-03 | 哈尔滨金都太阳能科技有限公司 | Wind-light complementary street lamp |
| CN205782513U (en) * | 2016-05-25 | 2016-12-07 | 象山赛柏斯智能科技有限公司 | A kind of multi-functional street lamp |
| CN106439720A (en) * | 2016-10-14 | 2017-02-22 | 厦门兴泰启贤新能源科技有限公司 | Integrated double-system mobile light energy streetlamp holder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107567143A (en) | 2018-01-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103116996B (en) | Tunnel illumination and security system | |
| CN111785009A (en) | Pedestrian crossing active early warning method and system based on video detection | |
| CN103117006A (en) | Warning system for preventing secondary traffic accident on highways | |
| CN105101563B (en) | A kind of automobile tunnel safety traffic illuminator and illumination control method | |
| CN208538323U (en) | Intelligent traffic control device and system applied to zebra stripes | |
| CN212624423U (en) | Curve meeting early warning feedback system | |
| CN207319466U (en) | A kind of expressway fog-zone LED intellectual inducing lamps | |
| CN107567143B (en) | A kind of guardrail anticollision device, collision-prevention device for having both hypervelocity and warning and illuminating | |
| CN205693941U (en) | Multifunctional fire-fighting emergency lighting and evacuation light fixture and intelligence control system | |
| CN101863279A (en) | Safety system for railway and highway crossings | |
| CN203012985U (en) | A safety warning system preventing a secondary traffic accident on a highway | |
| CN202904781U (en) | Safety protection device possessing function of detecting vehicle break-in and alarm function | |
| CN205405892U (en) | Stake of warning of traffic flow warning system and highway | |
| CN104791661A (en) | Automatic searchlighting warning system for pedestrian crosswalk | |
| CN102945581A (en) | Safety protection device with vehicle intrusion detecting and warning functions | |
| CN213092518U (en) | Pedestrian crossing active early warning system based on video detection | |
| CN105202452A (en) | Solar street lamp system for highways and control method thereof | |
| CN212408476U (en) | Emergent intelligent lamp pole of tunnel flood prevention | |
| KR200449792Y1 (en) | Bus stop with lighting and alarm signals | |
| CN113516830A (en) | Culvert accumulated water monitoring anti-flooding warning and blocking method, system and device and application | |
| CN208281965U (en) | A kind of Internet of Things street lamp | |
| CN112233439A (en) | Take monitor function's thing networking signal lamp | |
| CN207109670U (en) | A kind of active road guard pedestrains safety alarming device | |
| CN220522086U (en) | Road construction protection channel | |
| CN205121895U (en) | High -speed ring road entry safety warning system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 518000 Factory A1501, Tian'an Digital Innovation Park, 441 Huangge Road, Longgang District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Boyuan Science and Technology Innovation Development Co., Ltd. Address before: 518000 Factory A1501, Tian'an Digital Innovation Park, 441 Huangge Road, Longgang District, Shenzhen City, Guangdong Province Applicant before: Shenzhen Boyuan Transportation Facility Co., Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |