CN213690974U - Automatic early warning system of embedding road - Google Patents
Automatic early warning system of embedding road Download PDFInfo
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- CN213690974U CN213690974U CN202022848198.2U CN202022848198U CN213690974U CN 213690974 U CN213690974 U CN 213690974U CN 202022848198 U CN202022848198 U CN 202022848198U CN 213690974 U CN213690974 U CN 213690974U
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Abstract
The utility model discloses an automatic early warning system embedded in a road, which comprises a plurality of early warning devices, wherein each early warning device comprises an elastic body embedded in the road surface, a sound production unit and a light emitting unit which are arranged on the elastic body, and a compression cavity is arranged in the elastic body; the light-emitting unit is arranged on the outer surface of the elastic body exposed out of the road surface; the power supply unit is positioned in the compression cavity and is electrically connected with the light-emitting unit; when the elastic body is not extruded by the motor vehicle, the power supply unit is in an initial state, no current is generated, the light-emitting unit is not bright, and the sound-producing unit does not produce sound; when the elastic body is extruded by the motor vehicle, the power supply unit generates current, the light-emitting unit emits warning light, and the sound-producing unit emits warning sound. When the wheel extrusion elastomer top of vehicle, the sound production unit sends the warning sound, and power supply unit produces the electric current, and the luminescence unit sends warning light, reminds the pedestrian who does not watch the road condition in time to raise the head and watch the road, reacts, avoids the production of traffic accident.
Description
Technical Field
The utility model relates to a the invention belongs to road safety field, indicates especially an automatic early warning system of embedding road.
Background
Along with the increasing number of urban motor vehicles, traffic safety accidents occur frequently, on one hand, the motor vehicles are easy to cause non-motor vehicle and pedestrian safety accidents when turning at intersections, and serious travel pressure and burden are caused to urban residents. For the problem, no scientific and effective countermeasure and method exist at present. The method is usually adopted to put a separation pier at a turning position or paste a visual angle blind area mark on the body of a large-scale motor vehicle to remind a non-motor vehicle or a pedestrian. However, the isolation pier placing mode belongs to hard isolation, which not only occupies a large amount of road surface area at the intersection, but also is not beautiful; the mode of prompting pedestrians in sight line sticking or view angle blind areas on the body of a large motor vehicle has poor effect, and the condition that non-motor vehicles or pedestrians are injured when small and medium motor vehicles turn is ignored.
On the other hand, some people do not obey the traffic rules at present, do not see the traffic lights or observe the road vehicles when walking, and hold down to play the mobile phone, so that the red light running is easy to happen, a driver can not respond in time, or the traffic accidents are caused by instant misoperation.
In order to solve the problem, the utility model provides an automatic early warning system of embedding reason.
Disclosure of Invention
The utility model provides a during current turn
The utility model discloses a technical scheme as follows: an automatic early warning system embedded in a road comprises a plurality of early warning devices, wherein each early warning device comprises an elastic body and an early warning mechanism;
the early warning mechanism comprises a power supply unit and an early warning unit;
the early warning unit comprises a sound production unit and a light emitting unit, the sound production unit is arranged on the elastic body, and the light emitting unit is arranged on the outer surface of the elastic body exposed out of the road surface;
the power supply unit is positioned in the compression cavity and is electrically connected with the light-emitting unit;
when the elastic body is not extruded by the motor vehicle, the power supply unit is in an initial state, no current is generated, the light-emitting unit is not bright, and the sound-producing unit does not produce sound;
when the elastic body is extruded by the motor vehicle, the power supply unit generates current, the light-emitting unit emits warning light, and the sound-producing unit emits warning sound.
Among this technical scheme, when the wheel extrusion elastomer top of vehicle, the sound production unit sends warning sound, and power supply unit produces the electric current, and the luminescence unit sends warning light, reminds the pedestrian who does not watch the road condition in time to raise the head and watch the road, reacts, avoids the production of traffic accident, and warning sound reminds the driver now to be in the crossing and need notice the road surface condition simultaneously to timely react. When the wheels of the vehicle which turns extrude the top of the elastic body, the sound production unit sends out warning sound, the power supply unit provides current, the light-emitting unit sends out warning light, and pedestrians or non-motor vehicles in the blind area of the vehicle view angle can react in time and the vehicle angle can be adjusted in time by motor vehicle drivers.
Preferably, the number of the early warning devices is not less than two, and the power supply unit in each early warning device is connected with the light emitting unit in each early warning device in parallel.
In the technical scheme, the power supply unit of each early warning device is connected with the power generation unit in each early warning device in parallel, and when the motor vehicle extrudes any one elastic body, the power supply unit provides current for the light-emitting units of all the early warning devices, so that pedestrians or drivers can be warned conveniently, and the safety performance of the early warning system is improved.
Preferably, the lower half part of the elastic body is provided with an air transfer hole, and an air duct is arranged between the air transfer holes between the adjacent elastic bodies.
In the technical scheme, the air guide pipes are arranged between the adjacent elastic bodies, when any one elastic body is extruded, the sounding units give out warning sounds, gas can be transmitted into the adjacent elastic bodies through the air guide pipes, and the sounding units of the adjacent elastic bodies give out the warning sounds, so that the warning range of the warning sounds is enlarged; the gas in the compressed elastic body is transferred to the adjacent elastic body by the gas guide tube, so that the safety problem caused by overlarge pressure in the elastic body after the elastic body is compressed can be avoided.
Preferably, the power supply unit is a compression power generation device, and the compression power generation device comprises a piezoelectric sheet, a pressure-sensitive spring and a lead;
one end of the pressure-sensitive spring is fixedly connected with the top of the elastic body, and the other end of the pressure-sensitive spring is fixedly connected with the piezoelectric sheet;
the lower surface of the piezoelectric sheet is provided with a support plate connected with the bottom of the elastic body;
the piezoelectric sheet is positioned in the compression cavity and is not in contact with the inner wall of the elastic body;
one end of the lead is connected with the piezoelectric patch, and the other end of the lead is connected with the light-emitting unit.
In the technical scheme, the extrusion power generation device replaces a traditional battery, the normal operation of the early warning system can be effectively ensured without replacement, and the top of the elastic body is extruded forcibly during inspection to observe whether the warning light is on or not and listen to whether the warning sound is sounded or not, so that the inspection is convenient, and time and labor are saved; when the elastomer is extruded by external force to produce sound and deform, the pressure-sensitive spring deforms, the elastic force between the pressure-sensitive spring and the piezoelectric plate changes, the piezoelectric plate generates current, and the current is conveyed out through the lead.
Preferably, the lighting unit is a light strip.
Among this technical scheme, the display effect in lamp area is obvious, is convenient for attract pedestrian or non-motor driver's attention, reaches the effect of warning.
Preferably, the elastomer further comprises an arc-shaped protective cover, the top surface of the protective cover is exposed to the road surface by 0.5-1cm, the lamp strip is arranged on the outer surface of the top of the elastomer, and the arc-shaped protective cover is arranged on the upper surface of the lamp strip.
Among this technical scheme, the arc safety cover can avoid the vehicle directly to contact with the lamp area, improves the life in lamp area. When the top surface of the forehead of the elastic body is exposed by 0.5-1cm of the surface of the road, the attractiveness of the road is improved, and the pressure of the vehicle is transmitted to the elastic body by the arc-shaped protective cover.
Preferably, the early warning unit further comprises a protective layer, and the protective layer is installed between the lamp strip and the arc-shaped protective cover.
In this technical scheme, the protective layer is used for further protection lamp area, improves the life in lamp area.
Preferably, the protective layer is a steel mesh.
In the technical scheme, the steel mesh has high strength and is easy to process, and the production cost is reduced.
Preferably, the sounding unit is an extruded sounder which is uniformly arranged on the elastic body in an embedded manner around the outer surface of the elastic body.
Among this technical scheme, the installation of extrusion sounder around the outside equipartition of elastomer is convenient for improve the warning sound, is favorable to pedestrian, motor vehicle driver, or non-motor vehicle driver's discovery, increases the early warning effect.
Preferably, the elastic body is a plastic telescopic body.
In the technical scheme, the elastic compression deformation can occur under the action of external vertical pressure, and the initial state can be recovered after the external pressure is lost.
Compared with the prior art, the utility model discloses a following beneficial effect has:
1. when the wheel extrusion elastomer top of vehicle, the sound production unit sends warning sound, and power supply unit produces the electric current, and the luminescence unit sends warning light, reminds the pedestrian who does not watch the road condition in time to raise the head and watch the road, reacts, avoids the production of traffic accident, and the warning sound reminds the driver now to be in the crossing and need notice the road surface condition simultaneously to timely react. When the wheels of the vehicle which turns extrude the top of the elastic body, the sound production unit sends out warning sound, the power supply unit provides current, the light-emitting unit sends out warning light, and pedestrians or non-motor vehicles in the blind area of the vehicle view angle can react in time and the vehicle angle can be adjusted in time by motor vehicle drivers.
2. The power supply unit of each early warning device is connected with the power generation unit in each early warning device in parallel, and when the motor vehicle extrudes any one elastic body, the power supply unit provides current for the light-emitting units of all the early warning devices, so that pedestrians or drivers can be warned conveniently, and the safety performance of the early warning system is improved.
3. The air guide pipes are arranged between the adjacent elastic bodies, when any one elastic body is extruded, the sounding units emit warning sounds, the air can be transmitted into the adjacent elastic bodies through the air guide pipes, and the sounding units of the adjacent elastic bodies emit warning sounds to improve the warning range of the warning sounds; the gas in the compressed elastic body is transferred to the adjacent elastic body by the gas guide tube, so that the safety problem caused by overlarge pressure in the elastic body after the elastic body is compressed can be avoided.
4. The extrusion power generation device replaces a traditional battery, the normal operation of the early warning system can be effectively ensured, the replacement is not needed, and the top of the elastic body is only required to be extruded forcibly during the inspection, whether the warning light is on or not is observed, whether the warning sound is sounded or not is listened, the inspection is convenient, and the time and the labor are saved; when the elastomer is extruded by external force to produce sound and deform, the pressure-sensitive spring deforms, the elastic force between the pressure-sensitive spring and the piezoelectric plate changes, the piezoelectric plate generates current, and the current is conveyed out through the lead.
5. The display effect of the lamp strip is obvious, thereby being convenient for attracting the attention of pedestrians or non-motor vehicle drivers and achieving the warning effect.
6. The arc safety cover can avoid the vehicle directly to contact with the lamp area, improves the life in lamp area. When the top surface of the forehead of the elastic body is exposed by 0.5-1cm of the surface of the road, the attractiveness of the road is improved, and the pressure of the vehicle is transmitted to the elastic body by the arc-shaped protective cover.
7. The protective layer is used for further protection lamp area, improves the life in lamp area. The steel mesh has high strength, easy processing and low production cost.
8. The extrusion sounders are uniformly arranged around the outer part of the elastic body, so that warning sound is convenient to improve, the discovery of pedestrians, motor vehicle drivers or non-motor vehicle drivers is facilitated, and the early warning effect is improved.
Utilize the gravity load of turning motor vehicle, through the utility model discloses an early warning system turns into sound and light signal with gravity for remind turning motor vehicle driver, non-motor vehicle and the pedestrian at intersection, avoid motor vehicle driver to lead to the emergence of traffic safety accident because of the sight blind area.
Drawings
The foregoing features, technical features, advantages and embodiments are further described in the following detailed description of the preferred embodiments, which is to be read in connection with the accompanying drawings.
FIG. 1 is a schematic top view of a warning system having a warning device;
FIG. 2 is a schematic top view of a warning system having a plurality of warning devices;
FIG. 3 is a schematic diagram of an internal structure of an early warning device according to an embodiment;
FIG. 4 is a schematic view of an internal structure of the warning device according to the second embodiment;
FIG. 5 is a perspective view of the combination of the arc-shaped protective cover and the light strip;
FIG. 6 is a perspective view of a steel mesh and a lamp strip;
FIG. 7 is a schematic view of the internal structure of a third warning device according to an embodiment;
FIG. 8 is a schematic diagram of an internal structure of a fourth warning device according to an embodiment;
FIG. 9 is a schematic circuit diagram of an early warning system having an early warning device;
fig. 10 is a schematic circuit diagram of an early warning system having multiple early warning devices.
The reference numbers illustrate: 100. an intersection; 101. turning arc lines; 200. an early warning device; 201. an elastomer; 202. a sound emitting unit; 203. a piezoelectric sheet; 204. a pressure-sensitive spring; 205. a light strip; 206. a wire; 207. an arc-shaped protective cover; 208. a compression chamber; 209. a steel mesh; 2010. an air transfer aperture; 2011. a support plate; 300. a power supply unit; 401. a storage battery; 402. a pressing lever; 403. a first conductive line; 404. a second conductive line; 405. an elastic conductive sheet; 406. the spring is protected.
Detailed Description
In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.
For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
The first embodiment is as follows:
as shown in fig. 1 and fig. 3, this embodiment is a specific embodiment in which an automatic early warning system is embedded in a road surface of a curve, when the number of the early warning devices 200 embedded in the curve is one, each of the early warning devices 200 includes an elastic body 201 and an early warning mechanism, the elastic body 201 is embedded in the road surface along any position of a turning arc 101 of an intersection 100, the turning arc 101 is 45 °, a compression cavity 208 is provided inside the elastic body 201, the elastic body 201 is a cylinder whose side surface is composed of break angles, diameters of top and bottom surfaces of the elastic body 201 are both 50-80 cm, the height of the elastic body 201 is 17-22 cm, the outside width of the side break angle of the elastic body 201 is 5-10 cm, and the break angle is 45; the top surface of the elastic body 201 is exposed out of the road surface by 0.5-1 cm; the pressure threshold value of the elastic body 201 is 3 KN-KN; motor vehicles typically exceed 800kg, i.e. 8KN, while non-motor vehicles or pedestrians typically do not weigh more than 300kg, i.e. 3 KN. The initial pressure threshold of elastomer 201 effectively distinguishes motor vehicles from pedestrians and non-motor vehicles.
As shown in fig. 3 and fig. 9, in the specific example of this embodiment, the early warning mechanism includes a power supply unit 300 and an early warning unit, the early warning unit includes a sound generating unit 202 and a light emitting unit, the sound generating unit 202 is installed on the elastic body 201, the light emitting unit is installed on the outer surface of the elastic body 201 exposed on the road surface, the power supply unit 300 is located in the compression cavity 208, and the power supply unit 300 is electrically connected to the light emitting unit, when the elastic body 201 is not extruded by the motor vehicle, the power supply unit 300 is in an initial state, and does not generate current, the light emitting unit is not bright, the sound generating unit 202 does not generate sound, when the elastic body 201 is extruded by the motor vehicle, the extrusion power generating unit generates current, the light emitting unit emits. When the wheel of the vehicle that turns extrudes elastomer 201 top, sound generating unit 202 sends out the warning sound, power supply unit 300 produces the electric current, light emitting unit sends out warning light, the pedestrian or non-motor vehicle that are in vehicle visual angle blind area can timely reaction, and the adjustment vehicle angle that motor vehicle driver also can be timely, power supply unit 300 has replaced traditional battery, can effectual assurance early warning system's normal operating, need not to change, and only need extrude elastomer 201 top hard when checking, observe whether warning light lights, listen to warning sound whether sound can, the inspection is convenient, time saving and labor saving.
As shown in fig. 3, in the embodiment, the power supply unit 300 is an extrusion power generation device, the extrusion power generation device includes a piezoelectric plate 203, a pressure-sensitive spring 204 and a lead 206, one end of the pressure-sensitive spring 204 is fixedly connected to the top of the elastic body 201, the other end of the pressure-sensitive spring is fixedly connected to the piezoelectric plate 203, the piezoelectric plate 203 is located in the compression cavity 208 and does not contact with the inner wall of the elastic body 201, a support plate 2011 is provided at the bottom of the piezoelectric plate 203 and is connected to the bottom of the elastic body 201, the support plate 2011 defines the position of the piezoelectric plate 203, one end of the. When elastomer 201 receives external force extrusion sound production deformation, pressure spring 204 takes place deformation, and the elasticity of being connected with piezoelectric patches 203 changes, and piezoelectric patches 203 generate current, connects lamp area 205 through piezoelectric transducer, this extrusion power generation facility simple structure, stable in structure. The piezoelectric sheet 203 is a circular plate having a thickness of 0.5cm and a diameter of 20 to 50 cm.
The light emitting unit in this embodiment is a light strip 205, and the light strip 205 is electrically connected to the piezoelectric sheet 203 through a wire 206. The display effect of the lamp strip 205 is obvious, and the lamp strip 205 emits red light, so that the attention of pedestrians or non-motor vehicle drivers is attracted, and the warning effect is achieved. In other embodiments, the light emitting units may be a plurality of warning lights, the warning lights are uniformly distributed on the outer surface of the top of the elastic body 201, and the warning lights surround a circle, so that the warning lights can be observed at all angles of the elastic body 201.
When the actual early warning device 200 is installed, the top surface of the elastic body 201 is exposed to the road surface by 0.5-1cm, and is easy to damage by rolling of a motor vehicle; to this end, as shown in fig. 2 and 4, the elastomer 201 of the present embodiment further includes an arc-shaped protection cover 207, the light strip 205 is mounted on the top outer surface of the elastomer 201, and the arc-shaped protection cover 207 is mounted on the upper surface of the light strip 205. The arc-shaped protective cover 207 is a high-strength arc-shaped steel structural plate with the plate thickness of 2 cm; the arching radian of the arc-shaped protection cover 207 is 5-10 degrees, the height from the center of the bottom surface arc ring to the center of the arc top is 0.5-1cm, the diameter of the arc ring is 30-60 cm, the edge elevation of the arc-shaped protection cover 207 is the same as the elevation of the surrounding pavement, the arc-shaped protection cover 207 can prevent a vehicle from directly contacting the lamp strip 205, and the service life of the lamp strip 205 is prolonged. It should be noted that the structure of the elastic body 201 itself is not illustrated, but it should be understood that the top of the elastic body 201 may be a plane or a cambered surface, and is not described herein.
As shown in fig. 5 and 6, the light strip 205 is disposed along the outer edge of the top circle of the plastic telescopic body, the width of the light strip 205 is 20cm, that is, the area left by subtracting the projection area of the arc-shaped protection cover 207 from the top circle of the plastic telescopic body, and when the elastic body 201 is pressed and triggers the initial pressure threshold, the pressure-sensitive light strip 205 emits red light; the upper surface of the lamp strip 205 is covered with the top surface of a plastic telescopic body, and a steel mesh 209 formed by weaving high-strength steel sheets vertically and horizontally is used for protecting the lamp strip 205, the distribution interval of the high-strength steel sheets is 5cm, the width of the steel sheets is 2cm, and the thickness of the steel sheets is 1 cm. The steel mesh 209 has high strength and is easy to process, and the production cost is reduced. The elastic bodies 201 are all embedded into the road, the exposed road surface of the protective cover is 0.5-1cm, and no negative influence is caused on the passing of non-motor vehicles and pedestrians; the upper or lower telescopic range of the elastic body 201 is small, namely the telescopic amplitude is small; the arc-shaped protective cover 207 and the steel mesh 209 ensure that the lamp strip 205 and the elastic body 201 are free from damage caused by external force.
As shown in fig. 3, in the present embodiment, the sound generating unit 202 is an extruded sound generator, and the extruded sound generator is mounted on the elastic body 201 in an embedded manner uniformly around the outer surface of the elastic body 201. The extrusion sounders are uniformly arranged around the outside of the elastic body 201, so that warning sound is convenient to improve, discovery of pedestrians, motor vehicle drivers or non-motor vehicle drivers is facilitated, and early warning effect is improved. The number of the extrusion sounders is 10-20, the diameter of each extrusion sounder is 2.5-5cm, and the sounding value of each extrusion sounder is less than or equal to 45 decibels.
As shown in fig. 3, the elastic body 201 in this embodiment is a plastic elastic body, and can be elastically compressed and deformed under the action of external vertical pressure, and can recover to an initial state after losing the external pressure.
It should be noted that, in the embodiment, the early warning device 200 is embedded in a curved road, and the early warning device 200 can be embedded in any road in the actual using process to remind pedestrians or drivers who do not pay attention to the road surface to pay attention to the road condition, so as to ensure safety. The early warning device 200 can also be embedded in different road surfaces by using elastic bodies 201 with different elastic thresholds.
When the automobile is applied to a specific turning road, when a driver drives a motor vehicle to turn, tires of the vehicle are extruded to any one arc-shaped protective cover 207, because the weight of the motor vehicle exceeds the threshold value of the plastic telescopic body, the plastic telescopic body moves downwards under extrusion, the pressure-sensitive spring 204 deforms, the elastic force connected with the piezoelectric plate 203 changes, the piezoelectric plate 203 generates current, the piezoelectric transducer is connected with the lamp strip 205, and the lamp strip 205 emits red warning light to remind people of paying attention to the vehicles on the road and keeping safe walking; when the plastic telescopic body moves downwards, the extrusion sounder sends out warning sound to remind pedestrians that a vehicle turns to pay attention to safety, or remind a driver that the vehicle is about to go beyond a turning arc line 101 at present.
Example two:
the difference between the second embodiment and the first embodiment shown in fig. 2 and 4 is that the number of the early warning devices 200 embedded in the curve is four, the four early warning devices 200 are uniformly distributed along the turning arc 101D of the intersection 100 and embedded in the road surface, the turning arc 101 is 45 °, the distance between two adjacent automatic early warning units is 30cm, the light strips 205 in each early warning device 200 are connected in parallel through conductive wires, the piezoelectric plates 203 of each early warning device 200 are connected in parallel through conductive wires, then the parallel combination of the light strips 205 is connected in series with the parallel combination of the piezoelectric plates 203 through conductive wires, the lower half part of each elastic body 201 is provided with air transfer holes 2010, and air guide tubes are arranged between the air transfer holes 2010 between the adjacent elastic bodies 201.
As shown in fig. 4 and 10, in an actual use process, when a driver drives a motor vehicle to turn, tires of the motor vehicle are extruded to any one arc-shaped protective cover 207, and since the weight of the motor vehicle exceeds a threshold value of the plastic telescopic body, the plastic telescopic body is extruded to move downwards, the pressure-sensitive spring 204 deforms, the elastic force connected with the piezoelectric patch 203 changes, the piezoelectric patch 203 generates current, the piezoelectric transducer is connected with the lamp strip 205, and the lamp strip 205 emits red warning light to remind people of paying attention to vehicles on a road and keeping safe walking; because each extrusion power generation device is connected in parallel with the light strips 205 in the four early warning devices 200, when the motor vehicle extrudes any one plastic telescopic body, each light strip 205 in the early warning system emits red warning light to remind pedestrians or drivers.
When the plastic telescopic body moves downwards, the extrusion sounder sends out warning sound to remind pedestrians that the vehicle turns safely, or remind drivers that the turning is about to exceed a turning arc line 101 and the pedestrians need to be noticed; compressed gas in the compressed plastic telescopic body can be transmitted into the adjacent elastic bodies 201 through the gas guide tubes, and the sounding units 202 of the adjacent elastic bodies 201 give out warning sounds to increase the warning range; in addition, the gas in the compressed elastic body 201 is transmitted to the adjacent elastic body 201 by the gas-guide tube, so that the safety problem caused by overlarge pressure in the elastic body 201 after the elastic body 201 is compressed can be avoided.
Example three:
as shown in fig. 7, a difference between the third embodiment and the first embodiment is that the power supply unit 300 of the present embodiment includes a storage battery 401, a pressing rod 402 and a conducting wire, the storage battery 401 is located in the elastic body 201, a supporting plate 2011 is disposed between a lower surface of the storage battery 401 and a bottom of the elastic body 201, a lower electrode of the lower surface of the storage battery 401 is connected to a first end of the light emitting unit through a first conducting wire 403, an elastic conductive sheet 405 is disposed right above an upper electrode of an upper surface of the storage battery 401, the elastic conductive sheet 405 contacts the upper electrode when being subjected to an external downward pressure, the elastic conductive sheet 405 is connected to a second end of the light emitting unit through a second conducting wire 404, a protection spring 406 is disposed on an upper end surface of the pressing rod 402, a top end of the protection spring 406 is connected to a top.
In practical use of this embodiment, when a vehicle presses the arc-shaped protective cover 207, the plastic telescopic body contracts downward, the pressing rod 402 moves downward, the lower surface of the pressing rod 402 moves downward to first contact the elastic conductive sheet 405, and continues to move downward to make the elastic conductive sheet 405 contact the upper electrode of the storage battery 401, the light strip 205 and the storage battery 401 form a closed loop, the light strip 205 emits red warning light to remind passersby of road safety,
example four:
as shown in fig. 8, the difference between the fourth embodiment and the second embodiment is that the power supply unit 300 of the present embodiment includes a storage battery 401, a pressing rod 402 and a conducting wire, the storage battery 401 is located in the elastic body 201, a supporting plate 2011 is disposed between a lower surface of the storage battery 401 and a bottom of the elastic body 201, a lower electrode of the lower surface of the storage battery 401 is connected to a first end of the light emitting unit through a first conducting wire 403, an elastic conductive sheet 405 is disposed right above an upper electrode of an upper surface of the storage battery 401, the elastic conductive sheet 405 contacts the upper electrode when being subjected to an external downward pressure, the elastic conductive sheet 405 is connected to a second end of the light emitting unit through a second conducting wire 404, a protection spring 406 is disposed on an upper end surface of the pressing rod 402, a top end of the protection spring 406 is connected to a top.
In an actual use process of the present embodiment, although the power supply unit 300 and the second embodiment cause different power supply manners of the light strip 205, the use process and the generated technical effects of the present embodiment are the same as those of the first embodiment, and no further description is given here.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An automatic early warning system embedded in a road comprises a plurality of early warning devices, wherein each early warning device comprises an elastic body and an early warning mechanism;
the early warning mechanism comprises a power supply unit and an early warning unit;
the early warning unit comprises a sound production unit and a light emitting unit, the sound production unit is arranged on the elastic body, and the light emitting unit is arranged on the outer surface of the elastic body exposed out of the road surface;
the power supply unit is positioned in the compression cavity and is electrically connected with the light-emitting unit;
when the elastic body is not extruded by the motor vehicle, the power supply unit is in an initial state, no current is generated, the light-emitting unit is not bright, and the sound-producing unit does not produce sound;
when the elastic body is extruded by the motor vehicle, the power supply unit generates current, the light-emitting unit emits warning light, and the sound-producing unit emits warning sound.
2. The automatic early warning system for embedded roads of claim 1, wherein: the number of the early warning devices is not less than two, and the power supply unit in each early warning device is connected with the light emitting unit in each early warning device in parallel.
3. The automatic early warning system for embedded roads of claim 2, wherein: the lower half parts of the elastic bodies are provided with air transfer holes, and air guide pipes are arranged between the air transfer holes between the adjacent elastic bodies.
4. The automatic early warning system for embedded roads of claim 1, 2 or 3, wherein: the power supply unit is an extrusion power generation device which comprises a piezoelectric plate, a pressure-sensitive spring and a lead;
one end of the pressure-sensitive spring is fixedly connected with the top of the elastic body, and the other end of the pressure-sensitive spring is fixedly connected with the piezoelectric sheet;
the lower surface of the piezoelectric sheet is provided with a support plate connected with the bottom of the elastic body;
the piezoelectric sheet is positioned in the compression cavity and is not in contact with the inner wall of the elastic body;
one end of the lead is connected with the piezoelectric sheet, and the other end of the lead is connected with the light-emitting unit.
5. The automatic early warning system for embedded roads of claim 4, wherein: the light-emitting unit is a lamp strip.
6. The automatic early warning system for embedded roads of claim 5, wherein: the elastomer still includes the arc safety cover, the top surface of safety cover exposes road surface 0.5-1cm, the lamp area is installed the top surface of elastomer, the arc safety cover is installed the lamp takes the upper surface.
7. The automatic early warning system for embedded roads of claim 6, wherein: the early warning unit further comprises a protective layer, and the protective layer is installed between the lamp strip and the arc-shaped protective cover.
8. The automatic early warning system for embedded roads of claim 7, wherein: the protective layer is a steel mesh.
9. The automatic early warning system for embedded roads of claim 1, 2, 3, 5, 6, 7 or 8, wherein: the sounding unit is an extrusion sounder which is uniformly distributed on the elastic body in an embedded manner around the outer surface of the elastic body.
10. The automatic early warning system for embedded roads of claim 9, wherein: the elastic body is a plastic telescopic body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022848198.2U CN213690974U (en) | 2020-12-02 | 2020-12-02 | Automatic early warning system of embedding road |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022848198.2U CN213690974U (en) | 2020-12-02 | 2020-12-02 | Automatic early warning system of embedding road |
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| CN213690974U true CN213690974U (en) | 2021-07-13 |
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