CN110969896A - Air bag type curve deceleration traffic early warning system - Google Patents
Air bag type curve deceleration traffic early warning system Download PDFInfo
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- CN110969896A CN110969896A CN201911266788.XA CN201911266788A CN110969896A CN 110969896 A CN110969896 A CN 110969896A CN 201911266788 A CN201911266788 A CN 201911266788A CN 110969896 A CN110969896 A CN 110969896A
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- 230000002457 bidirectional effect Effects 0.000 claims abstract description 14
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 13
- 210000003437 trachea Anatomy 0.000 claims description 17
- 238000004804 winding Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
- E01F9/529—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users specially adapted for signalling by sound or vibrations, e.g. rumble strips; specially adapted for enforcing reduced speed, e.g. speed bumps
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Abstract
The invention discloses an air bag type curve deceleration traffic early warning system which comprises two mounting pieces embedded on the ground and a pedestal fixed on the ground, and is characterized in that each mounting piece is provided with a mounting groove, a deceleration strip is slidably mounted in each mounting groove, the lower bottom surface of each deceleration strip and the groove bottom of each mounting groove are respectively provided with a plurality of mounting plates, an elastic air bag and a spring are jointly mounted between each two deceleration strips and the corresponding mounting plates on the mounting grooves, and the spring is sleeved on the elastic air bag. According to the invention, the elastic air bag is compressed and restored by downward movement and upward movement of the deceleration strip, so that air flow is generated in the bidirectional air pipe, the air horn is enabled to send out prompting sound through the air flow, and the rotational flow blade drives the magnetic block to rotate to cut the coil to generate current through the air flow, so that the indicator lamp flickers to prompt a vehicle in the opposite direction, and the prompting capability of the system and the driving safety of a curve are improved.
Description
Technical Field
The invention relates to the field of traffic safety, in particular to an air bag type curve deceleration traffic early warning system.
Background
In western regions with many mountains, roads are often bent and curved, and the degree of curvature of the roads is large, so that the danger of driving at the curve is increased due to the fact that the sight line of a driver is blocked by side mountains, and the driving safety is affected, therefore, early warning systems are required to be added at two ends of the curve to facilitate the driver to know the oncoming vehicle in advance.
The existing curve early warning system generally reduces the driving speed by arranging a speed bump on the bottom surface, and arranges a traffic mirror at the curve to enlarge the visual field range, but some curves are larger, the traffic mirror can not display the oncoming vehicle in time, and the traffic mirror is determined according to reflected light, i.e. a bidirectional vehicle needs to be clearly seen within the range of one reflection angle of the traffic mirror, but the reflection angle is limited, and can not accurately reflect all the conditions of the curve, the safety is lower, and the vehicle usually gives a whistle before passing the curve, while the vehicle horn transmits sound through sound, the sound is diffused outwards through sound straight line, the sound can not be effectively transmitted to the other end of the curve due to the fact that obstacles such as a mountain body are often present at the inner curve of the curve of a mountain area, most vehicles are tightly closed, and the sound of the vehicle horn is more difficult to be transmitted to drivers in the vehicle.
Disclosure of Invention
The invention aims to solve the defects that the prior system has low warning performance, can not accurately and timely reflect the curve coming information to a driver, and the sound of an automobile horn can not be effectively transmitted to the driver of a vehicle in an opposite curve in the prior art, and provides an air bag type curve deceleration traffic early warning system.
In order to achieve the purpose, the invention adopts the following technical scheme:
an air bag type curve deceleration traffic early warning system comprises two installation parts embedded on the ground and a pedestal fixed on the ground, and is characterized in that each installation part is provided with a mounting groove, a deceleration strip is slidably installed in each mounting groove, a plurality of mounting plates are installed on the lower bottom surface of each deceleration strip and the bottom of each mounting groove, an elastic air bag and a spring are installed between each two corresponding mounting plates on the deceleration strips and the mounting grooves, the spring sleeves are arranged on the elastic air bags, a plurality of branch air pipes are fixedly inserted in the bottom of each mounting groove, each branch air pipe extends into the corresponding elastic air bag, a main air pipe is embedded in each mounting groove, the branch air pipes are communicated with the main air pipe, a double-pipe column is installed on the pedestal, and two air horns are symmetrically installed on the side wall of the upper end of the double-pipe column, the double-pipe column is internally provided with two pipe cavities, each pipe cavity is internally provided with two-way air pipes, the two main air pipes are respectively connected with the two-way air pipes, each upper end of each two-way air pipe extends to the upper end of the double-pipe column and is provided with a bent pipe, and the two bent pipes are respectively connected to the two air horns.
Preferably, the two mounting pieces are respectively arranged at two ends of the bend, and the pedestal is arranged at the outer bent edge of the bend;
when a vehicle comes from one end of the curve, the vehicle is pressed on the speed reducing belt, so that the speed reducing belt slides towards the mounting groove, the speed reducing belt compresses the elastic air bags through the mounting plate, the elastic air bags are contracted and discharge internal gas through the branch air pipes, the springs are compressed, the gas of the elastic air bags is discharged into the main air pipe through the branch air pipes and then discharged into the bidirectional air pipe, the bidirectional air pipe is discharged into the air horn through the bent pipe to enable the air horn to sound a whistle, the diffused whistle is effective to prompt that the vehicle notices the vehicle at the curve, and the bent pipe can prevent rainwater from flowing back into the bidirectional air pipe in rainy days, so that the reliability of the system is improved;
when a vehicle passes through a curve and a deceleration strip, the elastic air bag sucks air and recovers, the spring rebounds to enable the elastic air bag to accelerate the air suction speed, so that the vehicle can enter the detection of the subsequent vehicle quickly, the elastic air bag sucks air to enable the outside air to enter the elastic air bag along the air horn, the bent pipe, the two-way air pipe, the main air pipe and the branch air pipe, and when airflow reversely flows into the air horn, the elastic air bag emits sound different from the whistle sound to prompt that the vehicle starts to turn and corresponds to a speed reduction courtesy;
be provided with two-way trachea in the double-pipe post, make the vehicle of bend both sides suggestion mutual noninterference of traveling, and double-pipe post sets up in the outside edge of bend, and two gas horn are towards the both ends of bend respectively, increase the intensity of sound suggestion and the scope of diffusion.
Preferably, a plurality of supports are mounted in each bidirectional air tube, a rotating shaft is inserted into the middle of each support in a rotating manner, a rotational flow blade is mounted at the lower end of the rotating shaft, a plurality of shaft sleeves are fixedly sleeved at the upper end of the rotating shaft, a plurality of rotating frames are symmetrically mounted on each shaft sleeve, a magnetic block is mounted on each two rotating frames, a coil winding is mounted on the side wall of each air tube, a plurality of indicating lamps are symmetrically embedded in the side wall of each double-tube column, and the indicating lamps are respectively and electrically connected with the coil windings;
when the air current flows in the two-way air pipe, the air current makes the whirl leaf take place the rotation through blockking of whirl leaf, then the pivot rotates, the pivot makes the magnetic path rotate through axle sleeve and rotating turret, the coil winding on the discontinuous cutting tube intracavity wall of pivoted magnetic path, then the coil winding produces electric current and makes the pilot lamp scintillation, when bend one side vehicle is pressed on the deceleration strip promptly, towards a plurality of pilot lamps scintillation of bend opposite side on the double-barrelled post, go into curved subtend vehicle speed reduction gifts behind the suggestion, further increase the suggestion intensity of system.
The invention has the following beneficial effects:
1. the gravity of vehicle is applyed and is pushed down the deceleration strip on the deceleration strip and make the elasticity gasbag compression in the time of slowing down, and the air horn that the elasticity gasbag of compression made the bend outside through branch road trachea, main trachea, two-way trachea and return bend sends the whistle for the whistle increases and spread the propagation area of sound, makes the vehicle driver of bend subtend can be clear hear the whistle and slow down, increases the security that mountain area bend was driven a vehicle.
2. The cover is equipped with the spring on the elasticity gasbag, and the elasticity gasbag resumes and breathes in after the car passes through the deceleration strip, and the resilience of spring can accelerate the elasticity gasbag and breathe in the recovery, and can get into the detection state of follow-up vehicle fast, and the breathing in of elasticity gasbag makes the air current flow to the air horn in flow, sends the sound that is different from the whistle sound, shows that the vehicle has left the deceleration strip and begins to turn, the suggestion gives a gift to the vehicle speed reduction, increases the security that the bend was taken a vehicle.
3. The deceleration strip is supported to a plurality of elastic airbags and a plurality of springs, so that the vehicle vibration is reduced by reducing the interaction force of the deceleration strip on the vehicle when the vehicle passes at a low speed, namely, the loss of the vehicle can be reduced, and when the vehicle is prepared to pass through at a high speed, the spring state can not be suddenly changed, so that the interaction force of the deceleration strip on the vehicle is increased, the vehicle is forced to decelerate, and the driving safety of a curve is improved.
4. When airflow flows in the bidirectional air pipe, the airflow impacts the spiral blade to enable the spiral blade to rotate, then the rotating shaft rotates, the rotating shaft enables the magnetic block to rotate through the shaft sleeve and the rotating frame, then the rotating magnetic block cuts the coil winding on the inner wall of the pipe cavity in a circulating mode to generate current, the indicating lamp is enabled to flicker, safety of vehicle running and attention of a curve is prompted through vision and hearing, and the warning capacity of the system is further improved.
In conclusion, the deceleration strip moves downwards and upwards to enable the elastic air bag to be compressed and restored, so that air flow is generated in the bidirectional air pipe, the air horn emits prompting sound through the air flow, the rotational flow blades drive the magnetic block to rotate the cutting coil to generate current through the air flow, the indicator lamp flickers to prompt a vehicle in the opposite direction, and the prompting capability of the system and the driving safety of a curve are improved.
Drawings
FIG. 1 is a schematic view of an installation of an airbag type curve deceleration traffic early warning system provided by the invention;
FIG. 2 is a schematic structural diagram of an air bag type curve deceleration traffic early warning system provided by the invention
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is an enlarged view of the air horn portion of an air bag type curve deceleration traffic early warning system;
FIG. 5 is a diagram illustrating a second embodiment;
in the figure: the device comprises a mounting piece 1, a mounting groove 2, a main air pipe 3, a speed bump 4, a pedestal 5, a double-pipe column 6, an air horn 7, a mounting plate 8, a spring 9, an elastic air bag 10, a branch air pipe 11, a pipe cavity 12, a bidirectional air pipe 13, a bent pipe 14, a bracket 15, a rotational flow blade 16, an indicator lamp 17, a coil winding 18, a shaft sleeve 19, a rotating frame 20, a magnetic block 21 and a rotating shaft 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
The first embodiment is as follows:
referring to fig. 1-4, an air bag type curve deceleration traffic early warning system comprises two mounting pieces 1 embedded on the ground and a pedestal 5 fixed on the ground, and is characterized in that each mounting piece 1 is provided with a mounting groove 2, a deceleration strip 4 is slidably mounted in each mounting groove 2, a plurality of mounting plates 8 are mounted on the lower bottom surface of each deceleration strip 4 and the bottom surface of each mounting groove 2, an elastic air bag 10 and a spring 9 are mounted between each two deceleration strips 4 and the corresponding mounting plates 8 on the mounting grooves 2, the spring 9 is sleeved on the elastic air bag 10, a plurality of branch air pipes 11 are fixedly inserted in the bottom surface of each mounting groove 2, each branch air pipe 11 extends into the corresponding elastic air bag 10, a main air pipe 3 is embedded in each mounting groove 2, and the branch air pipes 11 are communicated with the main air pipe 3, install two tubular columns 6 on pedestal 5, two gas horn 7 are installed to the symmetry on the upper end lateral wall of two tubular columns 6, including two lumen 12 in the two tubular columns 6, every all install two-way trachea 13 in the lumen 12, and two-way trachea 13, every are connected respectively to two main trachea 3 the upper end of two-way trachea 13 all extends to the upper end of two tubular columns 6 and installs return bend 14, and two return bends 14 are connected respectively on two gas horn 7.
The two installation parts 1 are respectively installed at two ends of the bend, and the pedestal 5 is installed at the bend edge at the outer side of the bend;
when a vehicle comes from one end of a curve, the vehicle is pressed on the speed bump 4, so that the speed bump 4 slides into the mounting groove 2, the speed bump 4 compresses the elastic air bag 10 through the mounting plate 8, the elastic air bag 10 contracts and exhausts internal gas through the branch air pipes 11, the spring 9 compresses, the gas of the elastic air bags 10 is exhausted into the main air pipe 3 through the branch air pipes 11 and then is exhausted into the two-way air pipe 13, the two-way air pipe 13 is exhausted into the air horn 7 through the bent pipe 14 to enable the air horn 7 to sound a flute, the diffused flute sound is effectively prompted to pay attention to the vehicle at the curve, and the bent pipe 14 can prevent rainwater from reversely flowing into the two-way air pipe 13 in rainy days, so that the reliability of the system is improved;
when a vehicle passes through a curve and a speed bump 4, the elastic air bag 10 sucks air and recovers, the spring 9 rebounds to enable the elastic air bag 10 to accelerate the air suction speed, so that the vehicle can enter the subsequent vehicle conveniently and quickly, the elastic air bag 10 sucks air to enable the outside air to enter the elastic air bag 10 along the air horn 7, the elbow 14, the two-way air pipe 13, the main air pipe 3 and the branch air pipe 11, when airflow reversely flows into the air horn 7, a sound different from a whistling sound is given out to prompt that the vehicle starts to turn, and the vehicle is subjected to speed reduction;
two-way air pipes 13 are arranged in the double-pipe column 6, so that the driving prompts of vehicles on two sides of the bend are not interfered with each other, the double-pipe column 6 is arranged at the edge of the outer side of the bend, the two air horns 7 face to two ends of the bend respectively, and the strength of the sound prompt and the diffusion range are increased.
In this embodiment, when a vehicle on one side of a curve presses on the deceleration strip 4, the deceleration strip 4 moves downwards, so that the elastic airbag 10 and the spring 9 are compressed, the compressed elastic airbag 10 exhausts gas to the air horn 7 through the branch air pipe 11, the main air pipe 3, the bidirectional air pipe 13 and the elbow 14, then the air horn 7 sends out a first prompting sound, the sound intensity and the propagation range are increased, so that a driver of the opposite vehicle can clearly hear the prompting sound, when the vehicle passes through the deceleration strip 4, the elastic airbag 10 recovers, the spring 9 rebounds to increase the recovery speed of the elastic airbag 10, subsequent detection is facilitated, and the elastic airbag 10 recovers to inhale to make external air flow into the air horn 7, so that the air horn 7 sends out a second prompting sound, which indicates that the vehicle has entered the curve, the vehicle should pay attention to the curve, and the driving safety of the curve in a mountain area is increased.
Example two:
referring to fig. 5, an airbag type curve deceleration traffic early warning system is substantially consistent with the first embodiment, and is different from the first embodiment in that:
a plurality of brackets 15 are installed in each bidirectional air pipe 13, a rotating shaft 22 is inserted in the middle of each bracket 15 in a rotating mode, a rotational flow blade 16 is installed at the lower end of each rotating shaft 22, a plurality of shaft sleeves 19 are fixedly sleeved at the upper end of each rotating shaft 22, a plurality of rotating frames 20 are symmetrically installed on each shaft sleeve 19, magnetic blocks 21 are installed on every two rotating frames 20, a coil winding 18 is installed on the side wall of each pipe cavity 12, a plurality of indicating lamps 17 are symmetrically embedded on the side wall of each double-pipe column 6, and the indicating lamps 17 are respectively and electrically connected with the coil windings 18;
when the air flow in the bidirectional air pipe 13 flows, the air flow enables the rotational flow blades 16 to rotate through the blocking of the rotational flow blades 16, the rotating shaft 22 rotates, the rotating shaft 22 enables the magnetic block 21 to rotate through the shaft sleeve 19 and the rotating frame 20, the rotating magnetic block 21 cuts the coil winding 18 on the inner wall of the pipe cavity 12 discontinuously, the coil winding 18 generates current to enable the indicator lights 17 to flicker, namely when a vehicle on one side of a curve presses on the speed bump 4, the indicator lights 17 on the other side of the curve on the double-pipe column 6 flicker, the opposite vehicle speed reduction courtesy entering the curve after prompting is achieved, and the prompting strength of the system is further increased.
In this embodiment, when airflow flows in the bidirectional air pipe 13, the airflow impacts the rotational flow blades 16 to rotate, the rotating shaft 22 rotates, the magnetic block 21 rotates through the shaft sleeve 19 and the rotating frame 20, the magnetic block 21 rotates to enable the magnetic field to circularly cut the coil winding 18 to generate current, the indicator lamp 17 on the outer wall of the double-pipe column 6 continuously flickers, the visual prompting effect is increased, and the driving safety of mountainous area curves is further increased.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. The utility model provides a gasbag formula bend deceleration traffic early warning system, includes that two inlay establishes installed part (1) on ground and fix pedestal (5) on ground, its characterized in that, every mounting groove (2) have all been seted up on installed part (1), every slidable mounting has deceleration strip (4) in mounting groove (2), every a plurality of mounting panels (8) are all installed to the lower bottom surface of deceleration strip (4) and the tank bottom of mounting groove (2), every two install elasticity gasbag (10) and spring (9) between corresponding mounting panel (8) on deceleration strip (4) and mounting groove (2) jointly, and spring (9) cover is established on elasticity gasbag (10), every the tank bottom of mounting groove (2) all is fixed to be inserted and is equipped with a plurality of branch trachea (11), and every branch trachea (11) all extend to in corresponding elasticity gasbag (10), every the embedded main trachea (3) that is equipped with in mounting groove (2), and a plurality of branch road trachea (11) intercommunication main trachea (3), install two tubular columns (6) on pedestal (5), two gas horn (7) are installed to the symmetry on the upper end lateral wall of two tubular columns (6), including two lumen (12), every in two tubular columns (6) all install two-way trachea (13) in lumen (12), and two-way trachea (13) are connected respectively in two main trachea (3), every the upper end of two-way trachea (13) all extends to the upper end of two tubular columns (6) and installs return bend (14), and two return bend (14) are connected respectively on two gas horn (7).
2. A gas bag type curve deceleration traffic early warning system according to claim 1, characterized in that two said mounting members (1) are respectively installed at both ends of the curve, and said pedestal (5) is installed at the outside curve edge of the curve.
3. The air bag type curve deceleration traffic early warning system according to claim 1, wherein a plurality of supports (15) are installed in each bidirectional air pipe (13), a plurality of supports (15) are jointly rotated in the middle of each support (15) and inserted with a rotating shaft (22), a rotational flow blade (16) is installed at the lower end of each rotating shaft (22), a plurality of shaft sleeves (19) are fixedly sleeved at the upper end of each rotating shaft (22), a plurality of rotating frames (20) are symmetrically installed on each shaft sleeve (19), magnetic blocks (21) are installed on each two rotating frames (20), each coil winding (18) is installed on the side wall of the pipe cavity (12), a plurality of indicating lamps (17) are symmetrically embedded on the side wall of the double pipe column (6), and the indicating lamps (17) are respectively and electrically connected with the coil windings (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911266788.XA CN110969896A (en) | 2019-12-11 | 2019-12-11 | Air bag type curve deceleration traffic early warning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911266788.XA CN110969896A (en) | 2019-12-11 | 2019-12-11 | Air bag type curve deceleration traffic early warning system |
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| CN110969896A true CN110969896A (en) | 2020-04-07 |
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| CN201911266788.XA Pending CN110969896A (en) | 2019-12-11 | 2019-12-11 | Air bag type curve deceleration traffic early warning system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111560868A (en) * | 2020-05-21 | 2020-08-21 | 周红艳 | Municipal administration bend department warning equipment |
| CN111749154A (en) * | 2020-07-07 | 2020-10-09 | 靳祖俊 | Safety reminding device for underground parking lot outlet |
| CN112458961A (en) * | 2020-12-11 | 2021-03-09 | 郑州轻工业大学 | Self-generating and self-whistling intelligent reflector device for mountain area curve |
| CN112458945A (en) * | 2020-12-11 | 2021-03-09 | 郑州轻工业大学 | Safety control method for vehicle passing through sharp curve in mountain area |
| CN112813887A (en) * | 2021-03-09 | 2021-05-18 | 湖州力卓机械设备技术开发有限公司 | Mountain area is anticollision mound for bend |
| CN113240941A (en) * | 2021-05-27 | 2021-08-10 | 中国电建集团华东勘测设计研究院有限公司 | Intelligent traffic warning system and intelligent traffic warning method for mountain road corner |
| CN113470235A (en) * | 2021-06-30 | 2021-10-01 | 刘迪 | Intelligent access control system for residential area |
| CN113863183A (en) * | 2021-10-25 | 2021-12-31 | 冯温 | Energy storage and overspeed reminding deceleration strip |
| CN115045213A (en) * | 2022-04-26 | 2022-09-13 | 吕海西 | Deceleration strip capable of judging direction of vehicle coming and road turning blind area early warning device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111560868A (en) * | 2020-05-21 | 2020-08-21 | 周红艳 | Municipal administration bend department warning equipment |
| CN111749154A (en) * | 2020-07-07 | 2020-10-09 | 靳祖俊 | Safety reminding device for underground parking lot outlet |
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| CN112813887A (en) * | 2021-03-09 | 2021-05-18 | 湖州力卓机械设备技术开发有限公司 | Mountain area is anticollision mound for bend |
| CN113240941A (en) * | 2021-05-27 | 2021-08-10 | 中国电建集团华东勘测设计研究院有限公司 | Intelligent traffic warning system and intelligent traffic warning method for mountain road corner |
| CN113470235A (en) * | 2021-06-30 | 2021-10-01 | 刘迪 | Intelligent access control system for residential area |
| CN113863183A (en) * | 2021-10-25 | 2021-12-31 | 冯温 | Energy storage and overspeed reminding deceleration strip |
| CN113863183B (en) * | 2021-10-25 | 2023-12-22 | 彭水百事达畅通汽车销售服务有限公司 | Deceleration strip capable of storing energy and reminding overspeed |
| CN115045213A (en) * | 2022-04-26 | 2022-09-13 | 吕海西 | Deceleration strip capable of judging direction of vehicle coming and road turning blind area early warning device |
| CN115045213B (en) * | 2022-04-26 | 2024-04-19 | 吕海西 | Road turning blind area early warning device based on deceleration strip capable of judging coming vehicle direction |
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Application publication date: 20200407 |