CN110428610B - Expressway driving warning device in haze days and installation and operation method - Google Patents
Expressway driving warning device in haze days and installation and operation method Download PDFInfo
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- CN110428610B CN110428610B CN201910563028.9A CN201910563028A CN110428610B CN 110428610 B CN110428610 B CN 110428610B CN 201910563028 A CN201910563028 A CN 201910563028A CN 110428610 B CN110428610 B CN 110428610B
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
- G08B5/38—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources using flashing light
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0125—Traffic data processing
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
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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
- G08G1/166—Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes
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Abstract
A traffic warning device for a highway in haze days comprises a support, a traffic warning indicator and a solar cell; the driving warning device is provided with an infrared communication module, a laser ranging module and an antenna; the infrared communication module is used for communicating with an infrared communication palm machine; the laser ranging module is used for measuring the driving speed of vehicles on the expressway; the antenna is used for communication among the driving warning devices; when the traffic warning device is installed on the expressway in the haze day, the traffic warning device is fixedly arranged on two sides of the expressway at equal intervals, and initial parameters of the traffic warning device are set by using an infrared communication palm machine; when the driving warning device actually operates on the highway in the haze day, the driving warning device operates in a linkage mode, and according to the distance and the speed between vehicles running on the highway, different forms of indication cursors are formed on the right side of the road, so that the driver is assisted in judging the distance between the front vehicle and the rear vehicle, and the phenomenon that the rear-end collision happens easily with the front vehicle due to the fact that the sight line is blocked by haze is avoided.
Description
Technical Field
The invention relates to the technical field of safe driving on a highway in haze days, in particular to a warning device for driving on the highway in haze days and an installation and operation method.
Background
When a vehicle is driven on a highway in a haze day, the sight line is blocked by haze, so that the road condition at a far front position cannot be observed during driving, and the situation that the distance between a rear vehicle and a front vehicle is too short easily occurs; if the front vehicle brakes suddenly in an emergency, the rear vehicle is too close to the front vehicle and the braking distance is insufficient, so that the rear-end collision accident with the front vehicle is caused.
Disclosure of Invention
In order to overcome the defects in the background art, the invention discloses a driving warning device for a highway in haze days, which comprises a bracket, a driving warning indicator and a solar cell, wherein the bracket is arranged on the bracket; the driving warning device is provided with an infrared communication module, a laser ranging module and an antenna; the infrared communication module is used for communicating with an infrared communication palm machine; the laser ranging module is used for measuring the driving speed of vehicles on the expressway; the antenna is used for communication among the driving warning devices; when the traffic warning device is installed on the expressway in the haze day, the traffic warning device is fixedly arranged on two sides of the expressway at equal intervals, and initial parameters of the traffic warning device are set by using an infrared communication palm; when the driving warning devices actually operate on the highway in the haze day, the driving warning devices operate in a linkage mode, and the driving speed of the vehicle is calculated according to the time difference of the vehicle passing through two adjacent driving warning devices and the distance between the two adjacent driving warning devices; calculating a safe braking distance according to the running speed of the vehicle; setting a forward safety distance in front of the vehicle and a backward safety distance behind the vehicle by taking a driving warning device with a high address in two adjacent driving warning devices for measuring the driving speed of the vehicle as an original point and taking an emergency braking safety distance as a length; when a vehicle normally runs on the expressway, the driving warning device in the safe distance from the front to the back of the vehicle lights the green high-brightness LED lamp beads of the LED lamp panels in sequence at a certain frequency to form a green moving indication cursor in the same direction as the driving direction, and prompts a driver to normally drive; when a plurality of vehicles run on the expressway, the backward safety distance of the front vehicle and the forward safety distance of the rear vehicle are crossed and overlapped, the traffic warning device in the crossed and overlapped area simultaneously lights red and green high-brightness LED lamp beads of the LED lamp panel at a certain frequency to form an orange stroboscopic warning cursor; when the preceding safe distance of the back safe distance, the rear vehicle of place ahead overlaps completely to the safe distance, the driving warning device in the overlapping region lights the red high bright LED lamp pearl of LED lamp plate with certain frequency, forms the cursor of red stroboscopic warning, reminds the front truck driver: the rear part is close to the vehicle, so that emergency braking is avoided; reminding the driver of the rear vehicle: the front of the vehicle approaches to slow down; the highway driving warning device in haze day forms different forms of indication cursors on the right side of the road according to the distance between the vehicles driving on the highway in a linkage operation mode, is used for reminding the distance condition of the front and rear vehicles of a driver, and avoids the occurrence of rear-end collision accidents with the front vehicle easily caused by the fact that the sight line is blocked by haze.
In order to realize the purpose, the invention adopts the following technical scheme: a traffic warning device for a highway in haze days comprises a support, a traffic warning indicator and a solar cell; the driving warning device is provided with an infrared communication window and a laser ranging window, the infrared communication window is used for setting initial parameters of the driving warning device, and the laser ranging window is used for detecting vehicles running on the highway; the driving warning indicator is also provided with an antenna for communication among the driving warning indicators; the driving warning indicator is fixedly arranged on the upper part of the bracket; the solar cell is fixedly arranged on the upper part of the driving warning indicator.
Preferably, the driving warning indicator comprises a base, a shell, a connecting ring, a warning lamp shell, an upper end cover, an antenna and a solar cell support seat; the base is plate-shaped, through holes are formed in the periphery of the plate surface, surrounding bones are arranged on the upper portion of the plate surface, connecting holes are formed in the outer side surfaces of the surrounding bones, and the base is fixedly arranged at the upper end portion of the support;
the shell is barrel-shaped, the lower end of the shell is open, the upper end of the shell is provided with a top cover, a through hole is formed in the middle of the top cover at the upper end, and the outer side surfaces of the upper part and the lower part of the shell are provided with connecting holes; an infrared communication window and a laser ranging window are arranged on the side face of the front part of the shell, infrared glass is fixedly arranged on the infrared communication window, and quartz glass is fixedly arranged on the laser ranging window; the inner sides of the infrared communication window and the laser ranging window are fixedly provided with a PCB assembly II, the PCB assembly II is provided with an infrared communication module and a laser ranging module, and the working surfaces of the infrared communication module and the laser ranging module respectively correspond to the infrared communication window and the laser ranging window; the PCB combination I is fixedly arranged on the inner side of the top cover at the upper part of the shell and is fixedly connected with the PCB combination II through a straight-angle pin header; a storage battery is fixedly arranged on the inner side of the top cover at the upper part of the shell; the shell is fixedly arranged on the upper part of the base;
the warning lamp shell is barrel-shaped, the upper end of the warning lamp shell is open, the lower end of the warning lamp shell is provided with a bottom cover, a through hole is formed in the middle of the bottom cover at the lower end of the warning lamp shell, and connecting holes are formed in the outer side faces of the upper portion and the lower portion of the warning lamp shell; an LED lamp panel is fixedly arranged on the right side of the inner side of the warning lamp shell, and highlight LED lamp beads of red and green colors are arranged on the LED lamp panel; a reflective film of a semi-surrounding structure is arranged on the periphery of the LED lamp panel, and the reflective film is bonded and fixed on the inner side surface of the warning lamp shell;
the connecting ring is annular, a through hole is formed in the side face of the connecting ring, the connecting ring is arranged between the shell and the warning lamp shell, and the shell and the warning lamp shell are fixedly connected through the connecting ring;
the upper end cover is plate-shaped, a plurality of through holes are formed in the plate surface, the lower portion of the plate surface is provided with a surrounding bone, a connecting hole is formed in the outer side surface of the surrounding bone, and the upper end cover is fixedly arranged at the upper end portion of the warning lamp shell;
the upper part of the solar cell supporting seat is tubular, the bottom of the solar cell supporting seat is provided with a connecting flange, and the solar cell supporting seat is fixedly connected with the upper end cover through the connecting flange at the bottom;
the antenna is a short rod-shaped antenna with a base and is fixedly arranged on the upper end face of the upper end cover.
Preferably, the solar cell comprises a solar cell panel and a cell support column, the solar cell panel is fixedly arranged at the upper part of the cell support column, and the cell support column is arranged in a tubular column at the upper part of the solar cell support seat; a nut is arranged on the upper pipe column of the solar cell supporting seat, and a screw is arranged in a nut hole and used for locking and fixing the cell supporting column.
Preferably, the outer side surface of the shell is also provided with an operation indicating window and a communication indicating window, light guide columns are arranged in the operation indicating window and the communication indicating window, and red-green bicolor LED lamps are arranged on the inner end surfaces of the light guide columns; the operation indication window and the communication indication window are used for fault judgment and maintenance of the driving warning device on the highway in the haze days.
Preferably, the PCB is combined with a single chip microcomputer, a power supply module, an LED driving power supply and a communication module; the single chip microcomputer is electrically connected with the power supply module, the LED driving power supply, the communication module, the laser ranging module and the infrared communication module; the power supply module is electrically connected with the solar cell panel, the storage battery, the single chip microcomputer, the communication module, the LED driving power supply, the infrared communication module and the laser ranging module; the LED driving power supply is electrically connected with the LED lamp panel and the red and green double-color LED lamp; the communication module is electrically connected with the antenna.
Preferably, the warning light shell is transparent, the outer surface of the warning light shell is a high-gloss mirror surface, and the inner surface of the warning light shell is a textured surface.
The mounting method for the highway traffic warning device in the haze days is characterized in that the highway traffic warning device in the haze days is fixedly arranged on the outer sides of a left traffic lane and a right traffic lane of a highway at equal intervals; the distance between two adjacent traffic warning devices is 2-5 meters; after the driving warning device is fixedly arranged, the infrared communication palm machine is used for sequentially setting the working mode, the address and the communication frequency point of the driving warning device on the expressway from the starting end of the driving through the infrared communication window; the working mode of the first driving warning device at the starting end of the expressway is set as active, a timing instruction can be initiatively initiated, the working modes of the other driving warning devices are set as slave, and the timing instruction is passively responded to carry out timing; the address of a first driving warning device at the starting end of the highway is set to be 0, and the addresses of the other driving warning devices are respectively set to be 1, 2, 3, 4 and 5 in sequence; the driving warning devices on two sides of the highway are respectively provided with independent communication frequency points.
The operation method of the driving warning device on the haze day of the expressway is a method for realizing functions, and the method is specifically described as follows:
s1, communication method: the highway driving warning device in the haze days is in wireless communication through micropower; the micro-power wireless communication frequency is 470-510MHz, the bandwidth is 1.0MHz, the communication frequency point is 32, the communication rate is 2Mbps, and the transmitting power is 50 milliwatts;
s2, timing method: after the driving warning device on the highway in the haze days is installed, firstly, time correction is carried out; the timing work is performed by the first driving warning device at the starting end of the expressway to timely and actively send timing instructions, and the rest driving warning devices respond to the timing instructions in a cascading manner according to the address sequence to perform timing until all the driving warning devices finish timing; the timing error of two adjacent driving warning devices is less than 0.1 millisecond; the timing instruction is confirmed in a response mode, and before the timing response is not obtained, the driving warning device which sends the timing instruction simultaneously reserves two time periods before and after timing;
s3, a speed measuring method: the highway driving warning device in the haze day takes the distance sudden change value measured by the laser ranging module as a vehicle passing mark, adds a time mark to the vehicle passing mark, and transmits the vehicle passing mark and the time mark to the driving warning device of an adjacent high-order address in a micro-power wireless manner; the driving warning device of the high-order address measures the mark and the time mark that the vehicle passes by, and the mark and the time mark that the vehicle passes by are transmitted to the driving warning device of the adjacent higher-order address through micropower wirelessly; meanwhile, the driving warning device with the high address calculates the driving speed of the vehicle by comparing the time difference of the vehicle driving mark uploaded by the driving warning device with the low address and matching the distance between two adjacent driving warning devices;
s4, setting a forward safety distance: calculating the emergency braking safe distance according to the measured vehicle running speed; setting the high-order address driving warning devices of two adjacent driving warning devices for measuring the driving speed of the vehicle as an original point, and setting a forward safety distance in front of the vehicle according to the emergency braking safety distance; the method comprises the following steps that a safe distance broadcasting instruction is sent out from an original point, and after all driving warning devices located in a forward safe distance receive the safe distance broadcasting instruction, green high-brightness LED lamp beads of an LED lamp panel are sequentially lightened at a certain frequency to form a green moving indication cursor in the same driving direction;
s5, setting a backward safety distance: calculating the emergency braking safe distance according to the measured vehicle running speed; setting the high-order address driving warning devices of two adjacent driving warning devices for measuring the driving speed of the vehicle as an original point, and setting a backward safety distance behind the vehicle according to the emergency braking safety distance; the method comprises the following steps that a safe distance broadcasting instruction is sent out from an original point, and after all driving warning devices located in a backward safe distance receive the safe distance broadcasting instruction, green high-brightness LED lamp beads of an LED lamp panel are sequentially lightened at a certain frequency to form a green moving indication cursor in the same driving direction;
s6, orange strobe warning: when a plurality of vehicles run on the highway at the same time, the backward safety distance of the front vehicle and the forward safety distance of the rear vehicle are overlapped in a crossed manner, the traffic warning device in the crossed and overlapped area can simultaneously receive safety distance broadcasting instructions sent by the front original point and the rear original point, and the traffic warning device in the crossed and overlapped area simultaneously lights red-green two-color high-brightness LED lamp beads of the LED lamp panel at a certain frequency to form an orange stroboscopic warning cursor;
s7, red strobe warning: when a plurality of vehicles run on the highway at the same time, and the backward safety distance of the front vehicle and the forward safety distance of the rear vehicle are completely overlapped, the front original point and the rear original point receive a safety distance broadcast instruction sent by the other original point, a driving warning device in a completely overlapped area lights a red high-brightness LED lamp bead of an LED lamp panel at a certain frequency, and a red stroboscopic warning cursor is formed;
s8, setting of follow-up communication groups and communication time slices: when a plurality of vehicles run on the highway at the same time, a plurality of original points are formed, and in order to prevent communication signals sent by the original points from colliding, a follow-up communication group is arranged and is internally provided with a plurality of original points; each origin in the follow-up communication group is provided with an independent communication time slice according to the driving sequence, and each origin sends out a communication signal in the set communication time slice; the communication period of the follow-up communication group is 20 milliseconds, and the follow-up communication group can accommodate 50 communication time slices at most; the follow-up communication group moves along with the original point in the group; each highway can be provided with a plurality of follow-up communication groups; the communication time slices in two adjacent follow-up communication groups are set in opposite order; a 2-millisecond buffer area is arranged between two adjacent follow-up communication groups, and all the origin points are forbidden to send out communication signals in the 2-millisecond buffer area; the original follow-up communication group can be separated from the original origin, and the adjacent follow-up communication group is added; the origin can be separated from the original follow-up communication group to form an independent follow-up communication group.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the invention discloses a traffic warning device for a highway in haze days, which comprises a support, a traffic warning indicator and a solar cell, wherein the support is connected with the traffic warning indicator; the driving warning device is provided with an infrared communication module, a laser ranging module and an antenna; the infrared communication module is used for communicating with an infrared communication palm machine; the laser ranging module is used for measuring the driving speed of vehicles on the expressway; the antenna is used for communication among the driving warning devices; when the traffic warning device is installed on the expressway in the haze day, the traffic warning device is fixedly arranged on two sides of the expressway at equal intervals, and initial parameters of the traffic warning device are set by using an infrared communication palm; when the driving warning device actually operates on the highway in the haze day, the driving warning device operates in a linkage mode, and the driving speed of the vehicle is calculated according to the time difference of the vehicle passing through two adjacent driving warning devices and the distance between the two adjacent driving warning devices; calculating a safe braking distance according to the running speed of the vehicle; setting a forward safety distance in front of the vehicle and a backward safety distance behind the vehicle according to the emergency braking safety distance by taking a driving warning device with a high address in two adjacent driving warning devices for measuring the driving speed of the vehicle as an original point; when a vehicle normally runs on the expressway, the driving warning device in the safe distance from the front to the back of the vehicle lights the green high-brightness LED lamp beads of the LED lamp panels in sequence at a certain frequency to form a green moving indication cursor in the same direction as the driving direction, and prompts a driver to normally drive; when a plurality of vehicles run on the expressway, the backward safety distance of the front vehicle and the forward safety distance of the rear vehicle are crossed and overlapped, the traffic warning device in the crossed and overlapped area simultaneously lights red and green high-brightness LED lamp beads of the LED lamp panel at a certain frequency to form an orange stroboscopic warning cursor; when the preceding safe distance of the back of place ahead vehicle, rear vehicle overlaps completely to the safe distance, the driving warning device in the preceding safe distance of the back of place ahead vehicle, rear vehicle to the bright LED lamp pearl of red height of LED lamp plate is lighted to certain frequency, forms the cursor of red stroboscopic warning, reminds preceding car driver: the rear part is close to the vehicle, so that emergency braking is avoided; reminding the driver of the rear vehicle: the front vehicle approaches to slow down and take emergency measures at any time; the highway driving warning device in haze day forms different forms of indication cursors on the right side of the road according to the distance and the speed between the vehicles driving on the highway in a linkage operation mode, is used for reminding a driver to pay attention to the distance condition of the front and rear vehicles, and avoids the occurrence of rear-end collision accidents caused by the fact that the sight line is blocked by haze and the front vehicles easily.
Drawings
FIG. 1 is an appearance schematic diagram of a traffic warning device on a highway in a haze day;
FIG. 2 is a schematic view of a traffic light alarm;
FIG. 3 is a cross-sectional view of the traffic light alarm;
FIG. 4 is a schematic view of a solar cell;
FIG. 5 is a schematic diagram of an electronic function module connection;
FIG. 6 is a working schematic diagram of the traffic warning device on the highway in the haze day;
FIG. 7 is a schematic view of a base;
FIG. 8 is a schematic view of the housing;
FIG. 9 is a schematic view of the attachment ring;
FIG. 10 is a schematic view of a housing of the warning light;
FIG. 11 is a schematic view of the upper end cap;
fig. 12 is a schematic view of a solar cell support stand.
In the figure: 1. a support; 2. a driving alarm; 201. a base; 202. a housing; 2021. the PCB is combined into a whole; 2022. a second PCB assembly; 2023. an infrared communication module; 2024. a laser ranging module; 2025. a storage battery; 2026. an infrared communication window; 2027. a laser ranging window; 203. a connecting ring; 204. a warning light housing; 2041. an LED lamp panel; 2042. a light-reflecting film; 205. an upper end cover; 206. an antenna; 207. a solar cell support base; 3. a solar cell; 301. a solar panel; 302. a battery support post; a forward safe distance; a backward safe distance.
Detailed Description
The present invention will be explained in detail by the following examples, which are disclosed for the purpose of protecting all technical improvements within the scope of the present invention.
A traffic warning device for a highway in haze days comprises a support 1, a traffic warning indicator 2 and a solar cell 3; the driving warning device 2 is provided with an infrared communication window 2026 and a laser ranging window 2027, wherein the infrared communication window 2026 is used for setting initial parameters of the driving warning device 2, and the laser ranging window 2027 is used for detecting vehicles running on a highway; the driving warning indicator 2 is also provided with an antenna 206 for communication between the driving warning indicators 2; the driving warning indicator 2 is fixedly arranged on the upper part of the bracket 1; the solar cell 3 is fixedly arranged on the upper part of the driving warning indicator 2;
the driving warning indicator 2 comprises a base 201, a shell 202, a connecting ring 203, a warning lamp shell 204, an upper end cover 205, an antenna 206 and a solar cell support base 207; the base 201 is plate-shaped, through holes are formed in the plate surface close to the periphery, surrounding bones are arranged on the upper portion of the plate surface, connecting holes are formed in the outer side surfaces of the surrounding bones, and the base 201 is fixedly arranged at the upper end portion of the support 1;
the shell 202 is barrel-shaped, the lower end of the shell is open, the upper end of the shell is provided with a top cover, a through hole is formed in the middle of the top cover at the upper end, and the outer side surfaces of the upper part and the lower part of the shell 202 are provided with connecting holes; an infrared communication window 2026 and a laser ranging window 2027 are arranged on the side face of the front portion of the shell 202, infrared glass is fixedly arranged on the infrared communication window 2026, and quartz glass is fixedly arranged on the laser ranging window 2027; the inner sides of the infrared communication window 2026 and the laser ranging window 2027 are fixedly provided with a PCB assembly II 2022, the PCB assembly II 2022 is provided with an infrared communication module 2023 and a laser ranging module 2024, and the working surfaces of the infrared communication module 2023 and the laser ranging module 2024 respectively correspond to the infrared communication window 2026 and the laser ranging window 2027; a first PCB assembly 2021 is fixedly arranged on the inner side of the top cover of the shell 202, and the first PCB assembly 2021 is fixedly connected with a second PCB assembly 2022 through a right-angle pin header; a storage battery 2025 is fixedly arranged on the inner side of the top cover of the shell 202; the shell 202 is fixedly arranged on the upper part of the base 201; an operation indicating window and a communication indicating window are further arranged on the outer side surface of the shell 202, light guide columns are arranged in the operation indicating window and the communication indicating window, red-green double-color LED lamps are arranged on the inner end surfaces of the light guide columns, and the operation indicating window and the communication indicating window are used for fault judgment and maintenance of the traffic warning device on the haze day of the highway;
the warning lamp shell 204 is in a transparent barrel shape, the outer surface of the warning lamp shell is a high-gloss mirror surface, the inner surface of the warning lamp shell is a textured surface, the upper end of the warning lamp shell is open, the lower end of the warning lamp shell is provided with a bottom cover, a through hole is formed in the middle of the bottom cover at the lower end, and connecting holes are formed in the outer side surfaces of the upper; an LED lamp panel 2041 is fixedly arranged on the right side of the inner side of the warning lamp shell 204, and highlight LED lamp beads of red and green colors are arranged on the LED lamp panel 2041; a reflective film 2042 of a semi-surrounding structure is arranged on the periphery of the LED lamp panel 2041, and the reflective film 2042 is bonded and fixed on the inner side surface of the warning lamp shell 204;
the connecting ring 203 is annular, a through hole is formed in the side surface of the connecting ring 203, the connecting ring 203 is arranged between the shell 202 and the warning lamp shell 204, and the shell 202 and the warning lamp shell 204 are fixedly connected through the connecting ring 203;
the upper end cover 205 is plate-shaped, a plurality of through holes are formed in the plate surface, surrounding bones are arranged on the lower portion of the plate surface, connecting holes are formed in the outer side surfaces of the surrounding bones, and the upper end cover 205 is fixedly arranged at the upper end portion of the warning lamp shell 204;
the upper part of the solar cell supporting seat 207 is in a tubular shape, the bottom of the solar cell supporting seat is provided with a connecting flange, and the solar cell supporting seat 207 is fixedly connected with the upper end cover 205 through the connecting flange at the bottom;
the antenna 206 is a short rod antenna with a base and is fixedly arranged on the upper end surface of the upper end cover 205;
the solar cell 3 comprises a solar cell panel 301 and a cell support column 302, wherein the cell panel 301 is fixedly arranged at the upper end of the cell support column 302; the cell support column 302 is arranged in a column at the upper part of the solar cell support seat 207; a nut is arranged on the upper pipe column of the solar cell support seat 207, and a screw is arranged in a nut hole and used for locking and fixing the cell support column 302.
The PCB combination I2021 comprises a singlechip, a power module, an LED driving power supply and a communication module; the single chip microcomputer is electrically connected with the power supply module, the LED driving power supply, the communication module, the laser ranging module and the infrared communication module; the power supply module is electrically connected with the solar cell panel 301, the storage battery 2025, the single chip microcomputer, the communication module, the LED driving power supply, the infrared communication module 2023 and the laser ranging module 2024; the LED driving power supply is electrically connected with the LED lamp panel 2041 and the red and green double-color LED lamp; the communication module is electrically connected to the antenna 206.
The installation method of the driving warning device for the expressway in the haze days specifically expounds as follows: fixedly arranging the traffic warning devices on the outer sides of the left and right high-speed traffic lanes at equal intervals on the haze day of the highway; the distance between two adjacent traffic warning devices is 2 meters; after the driving warning device is fixedly arranged, the infrared communication palm machine is used for sequentially setting the working mode, the address and the communication frequency point of the driving warning device on the expressway from the starting end of the driving through the infrared communication window; the working mode of the first driving warning device at the starting end of the expressway is set as active, a timing instruction can be initiatively initiated, the working modes of the other driving warning devices are set as slave, and the timing instruction is passively responded to carry out timing; the address of a first driving warning device at the starting end of the highway is set to be 0, and the addresses of the other driving warning devices are respectively set to be 1, 2, 3, 4 and 5 in sequence; the driving warning devices on two sides of the highway are respectively provided with independent communication frequency points.
The operation method of the driving warning device on the haze day of the expressway is a method for realizing functions, and the method is specifically described as follows:
s1, communication method: the highway driving warning device in the haze days is in wireless communication through micropower; the micro-power wireless communication frequency is 470-510MHz, the bandwidth is 1.0MHz, the communication frequency point is 32, the communication rate is 2Mbps, and the transmitting power is 50 milliwatts;
s2, timing method: after the driving warning device on the highway in the haze days is installed, firstly, time correction is carried out; the timing work is performed by the first driving warning device at the starting end of the expressway to timely and actively send timing instructions, and the rest driving warning devices respond to the timing instructions in a cascading manner according to the address sequence to perform timing until all the driving warning devices finish timing; the timing error of two adjacent driving warning devices is less than 0.1 millisecond; the timing instruction is confirmed in a response mode, and before the timing response is not obtained, the driving warning device which sends the timing instruction simultaneously reserves two time periods before and after timing;
s3, a speed measuring method: the highway driving warning device in the haze day takes the distance sudden change value measured by the laser ranging module as a vehicle passing mark, adds a time mark to the vehicle passing mark, and transmits the vehicle passing mark and the time mark to the driving warning device of an adjacent high-order address in a micro-power wireless manner; the driving warning device of the high-order address measures the mark and the time mark that the vehicle passes by, and the mark and the time mark that the vehicle passes by are transmitted to the driving warning device of the adjacent higher-order address through micropower wirelessly; meanwhile, the driving warning device with the high address calculates the driving speed of the vehicle by comparing the time difference of the vehicle driving mark uploaded by the driving warning device with the low address and matching the distance between two adjacent driving warning devices;
s4, setting a forward safety distance: calculating the emergency braking safe distance according to the measured vehicle running speed; setting the high-order address driving warning devices of two adjacent driving warning devices for measuring the driving speed of the vehicle as an original point, and setting a forward safety distance in front of the vehicle by taking the emergency braking safety distance as a length; the original point sends out a safe distance broadcast instruction, and after all driving warning devices located in the forward safe distance receive the safe distance broadcast instruction, green high-brightness LED lamp beads of the LED lamp panel 2041 are sequentially lighted up at a certain frequency to form a green moving indication cursor in the same direction as the driving direction;
s5, setting a backward safety distance: calculating the emergency braking safe distance according to the measured vehicle running speed; setting the high-order address driving warning devices of two adjacent driving warning devices for measuring the driving speed of the vehicle as an original point, and setting a backward safety distance behind the vehicle by taking the emergency braking safety distance as a length; the original point sends out a safe distance broadcast instruction, and after all driving warning devices located in the backward safe distance receive the safe distance broadcast instruction, green high-brightness LED lamp beads of the LED lamp panel 2041 are sequentially lighted up at a certain frequency to form a green moving indication cursor in the same direction as the driving direction;
s6, orange strobe warning: when a plurality of vehicles run on the highway at the same time, the backward safety distance of the front vehicle and the forward safety distance of the rear vehicle are overlapped in a crossed manner, the driving warning device in the crossed and overlapped area can simultaneously receive safety distance broadcasting instructions sent by the front original point and the rear original point, and the driving warning device in the crossed and overlapped area simultaneously lights red-green two-color high-brightness LED lamp beads of the LED lamp panel 2041 at a certain frequency to form a cursor of orange stroboscopic warning;
s7, red strobe warning: when a plurality of vehicles run on the highway at the same time, and the backward safety distance of the front vehicle and the forward safety distance of the rear vehicle are completely overlapped, the front original point and the rear original point receive a safety distance broadcast instruction sent by the other original point, a driving warning device in a completely overlapped area lights a red high-brightness LED lamp bead of an LED lamp panel 2041 at a certain frequency, and a cursor for red stroboscopic warning is formed;
s8, setting of follow-up communication groups and communication time slices: when a plurality of vehicles run on the highway at the same time, a plurality of original points are formed, and in order to prevent communication signals sent by the original points from colliding, a follow-up communication group is arranged and is internally provided with a plurality of original points; each origin in the follow-up communication group is provided with an independent communication time slice according to the driving sequence, and each origin sends out a communication signal in the set communication time slice; the communication period of the follow-up communication group is 20 milliseconds, and the follow-up communication group can accommodate 50 communication time slices at most; the follow-up communication group moves along with the original point in the group; each highway can be provided with a plurality of follow-up communication groups; the communication time slices in two adjacent follow-up communication groups are set in opposite order; a 2-millisecond buffer area is arranged between two adjacent follow-up communication groups, and all the origin points are forbidden to send out communication signals in the 2-millisecond buffer area; the original follow-up communication group can be separated from the original origin, and the adjacent follow-up communication group is added; the origin can be separated from the original follow-up communication group to form an independent follow-up communication group.
When a driver drives into the expressway in a haze day, the driver cannot observe the vehicle condition far ahead due to the fact that the haze blocks the sight line, and the vehicle condition ahead can be judged according to the expressway driving warning device arranged on the right side of the expressway in the haze day; when the vehicle is in a normal condition and the distance between the front vehicle and the vehicle taken by the driver is in a safe distance, the driving warning device on the right side of the highway and in the front of the vehicle taken by the driver in the haze days is green, and the green moving indication cursor is in the same direction as the driving direction of the vehicle, so that the driver is prompted to be in a safe state at present; when a vehicle is in front and is close to the front vehicle but still in a safe distance range, the highway driving warning device at the right side of the highway and in front of the vehicle taken by the driver in the haze day can display orange stroboscopic warning at a position half of the distance from the front vehicle to remind the driver to observe the front condition; when there is the vehicle in the place ahead, the distance is nearer, when being in dangerous distance scope, highway haze day driving warning device in the right side of highway, the vehicle place ahead that is located the driver and takes can present red stroboscopic warning, reminds driver the place ahead to have the car, slows down and walks slowly to take urgent measure at any time to notice.
The present invention is not described in detail in the prior art.
Claims (7)
1. The utility model provides a highway driving a vehicle warning device in haze day, characterized by: comprises a bracket (1), a driving warning indicator (2) and a solar battery (3); the driving warning device (2) is provided with an infrared communication window (2026) and a laser ranging window (2027), the infrared communication window (2026) is used for setting initial parameters of the driving warning device (2), and the laser ranging window (2027) is used for detecting vehicles running on a highway; the driving warning indicator (2) is also provided with an antenna (206) for communication among the driving warning indicators (2); the driving warning indicator (2) is fixedly arranged on the upper part of the bracket (1); the solar cell (3) is fixedly arranged on the upper part of the driving warning indicator (2);
the plurality of the traffic warning devices are fixedly arranged on two sides of the expressway at equal intervals, the traffic warning devices are sequentially set in working modes, addresses and communication frequency points by an infrared communication palm machine through an infrared communication window (2026), and the traffic warning devices fixedly arranged on two sides of the expressway at equal intervals run in a linkage mode; when a vehicle runs, calculating the running speed of the vehicle by using the time difference of the vehicle passing through the laser ranging windows (2027) of the two adjacent running warning devices and the distance between the two adjacent running warning devices, and determining the lane where the running vehicle is located by using the distance measured by the laser ranging windows (2027); calculating a safe braking distance according to the running speed of the vehicle; the driving warning device with a high address in two adjacent driving warning devices for measuring the driving speed of the vehicle is used as an original point, the emergency braking safety distance is used as a length, the communication is carried out through an antenna (206), and the safety distances in the front and back directions of the vehicle are set on the driving warning device arranged on the right side of the road; when no other vehicles exist in the front and rear safety distances of the vehicle, the driving warning devices (2) of the driving warning devices positioned in the front and rear safety distances of the vehicle are lightened in sequence at a certain frequency to form a safety indication cursor in the same driving direction; when a plurality of vehicles run on the expressway and the safety distances are overlapped in a crossed way, the traffic warning device (2) of the traffic warning device in the crossed and overlapped area is lightened at a certain frequency to form a stroboscopic warning cursor.
2. The warning device for driving on a highway in haze according to claim 1, which is characterized in that: the driving warning indicator (2) comprises a base (201), a shell (202), a connecting ring (203), a warning lamp shell (204), an upper end cover (205), an antenna (206) and a solar cell support seat (207); the base (201) is plate-shaped, through holes are formed in the periphery of the plate surface, surrounding bones are arranged on the upper portion of the plate surface, connecting holes are formed in the outer side surfaces of the surrounding bones, and the base (201) is fixedly arranged at the upper end portion of the support (1);
the shell (202) is barrel-shaped, the lower end of the shell is open, the upper end of the shell is provided with a top cover, a through hole is formed in the middle of the top cover at the upper end, and connecting holes are formed in the outer side surfaces of the upper part and the lower part of the shell (202); an infrared communication window (2026) and a laser ranging window (2027) are arranged on the side face of the front portion of the shell (202), infrared glass is fixedly arranged on the infrared communication window (2026), and quartz glass is fixedly arranged on the laser ranging window (2027); the inner sides of the infrared communication window (2026) and the laser ranging window (2027) are fixedly provided with a PCB assembly II (2022), the PCB assembly II (2022) is provided with an infrared communication module (2023) and a laser ranging module (2024), and the working surfaces of the infrared communication module (2023) and the laser ranging module (2024) respectively correspond to the infrared communication window (2026) and the laser ranging window (2027); a PCB assembly (2021) is fixedly arranged on the inner side of the top cover of the shell (202), and the PCB assembly (2021) comprises a single chip microcomputer, a power supply module, an LED driving power supply and a communication module; the single chip microcomputer is electrically connected with the power supply module, the LED driving power supply, the communication module, the laser ranging module and the infrared communication module; the power supply module is electrically connected with the solar cell panel (301), the storage battery (2025), the single chip microcomputer, the communication module, the LED driving power supply, the infrared communication module (2023) and the laser ranging module (2024); the LED driving power supply is electrically connected with an LED lamp panel (2041) and a red-green double-color LED lamp; the communication module is electrically connected with an antenna (206); the PCB combination I (2021) is fixedly connected with the PCB combination II (2022) through a right-angle pin header; a storage battery (2025) is fixedly arranged on the inner side of the top cover of the shell (202); the shell (202) is fixedly arranged on the upper part of the base (201);
the warning lamp shell (204) is barrel-shaped, the upper end of the warning lamp shell is open, the lower end of the warning lamp shell is provided with a bottom cover, a through hole is formed in the middle of the bottom cover at the lower end, and connecting holes are formed in the outer side faces of the upper part and the lower part of the warning lamp shell (204); an LED lamp panel (2041) is fixedly arranged on the right side of the inner side of the warning lamp shell (204), and highlight LED lamp beads of red and green colors are arranged on the LED lamp panel (2041); a reflective film (2042) of a semi-surrounding structure is arranged on the periphery of the LED lamp panel (2041), and the reflective film (2042) is bonded and fixed on the inner side surface of the warning lamp shell (204);
the connecting ring (203) is annular, a through hole is formed in the side face of the connecting ring, the connecting ring (203) is arranged between the shell (202) and the warning lamp shell (204), and the shell (202) and the warning lamp shell (204) are fixedly connected through the connecting ring (203);
the upper end cover (205) is plate-shaped, a plurality of through holes are formed in the plate surface, surrounding bones are arranged on the lower portion of the plate surface, connecting holes are formed in the outer side surfaces of the surrounding bones, and the upper end cover (205) is fixedly arranged at the upper end portion of the warning lamp shell (204);
the upper part of the solar cell supporting seat (207) is in a pipe column shape, the bottom of the solar cell supporting seat is provided with a connecting flange, and the solar cell supporting seat (207) is fixedly connected with the upper end cover (205) through the connecting flange at the bottom;
the antenna (206) is a short rod antenna with a base and is fixedly arranged on the upper end face of the upper end cover (205).
3. The warning device for driving on a highway in haze according to claim 1, which is characterized in that: the solar cell (3) comprises a solar cell panel (301) and a cell supporting column (302), the solar cell panel (301) is fixedly arranged at the upper part of the cell supporting column (302), and the cell supporting column (302) is arranged in a tubular column at the upper part of the solar cell supporting seat (207); and a nut is arranged on the upper pipe column of the solar cell supporting seat (207), and a screw is arranged in a nut hole.
4. The warning device for driving on a highway in haze according to claim 2, which is characterized in that: the outer side face of the shell (202) is further provided with an operation indicating window and a communication indicating window, light guide columns are arranged in the operation indicating window and the communication indicating window, and red and green bicolor LED lamps are arranged on the inner end faces of the light guide columns.
5. The warning device for driving on a highway in haze according to claim 2, which is characterized in that: the warning lamp shell (204) is transparent, the outer surface of the warning lamp shell is a high-gloss mirror surface, and the inner surface of the warning lamp shell is a textured surface.
6. An installation method for installing the traffic warning device in the haze day of the expressway, which is characterized by comprising the following steps of: the traffic warning devices on the hazy day of the expressway are fixedly arranged at the outer sides of the left and right traffic lanes of the expressway at equal intervals; the distance between two adjacent traffic warning devices is 2-5 meters; after the driving warning device is fixedly arranged, the infrared communication window (2026) is used for setting the working mode, the address and the communication frequency point of the driving warning device from the starting end of the highway driving in sequence by using an infrared communication palm; the working mode of the first driving warning device at the starting end of the highway driving is set as active, and a timing instruction can be actively initiated; the working modes of the other driving warning devices are set as driven, and the time correction is carried out by passively responding to the time correction instruction; the address of a first driving warning device at the starting end of the highway is set to be 0, and the addresses of the other driving warning devices are respectively set to be 1, 2, 3, 4 and 5 in sequence; the driving warning devices on two sides of the highway are respectively provided with independent communication frequency points.
7. An operation method of the traffic warning device for the haze days on the expressway as claimed in claim 1, wherein the operation method comprises the following steps:
s1, communication method: the highway driving warning device in the haze days is in wireless communication through micropower; the micro-power wireless communication frequency is 470-510MHz, the bandwidth is 1.0MHz, the communication frequency point is 32, the communication rate is 2Mbps, and the transmitting power is 50 milliwatts;
s2, timing method: after the driving warning device on the highway in the haze days is installed, firstly, time correction is carried out; the timing work is performed by the first driving warning device at the starting end of the expressway to timely and actively send timing instructions, and the rest driving warning devices respond to the timing instructions in a cascading manner according to the address sequence to perform timing until all the driving warning devices finish timing; the timing error of two adjacent driving warning devices is less than 0.1 millisecond; the timing instruction is confirmed in a response mode, and before the timing response is not obtained, the driving warning device which sends the timing instruction simultaneously reserves two time periods before and after timing;
s3, a speed measuring method: the highway driving warning device in haze days takes a distance sudden change value measured by a laser ranging module (2024) as a vehicle passing mark, adds a time mark to the vehicle passing mark, and transmits the vehicle passing mark and the time mark to a driving warning device of an adjacent high-order address in a micro-power wireless manner; the driving warning device of the high-order address measures the mark and the time mark that the vehicle passes by, and the mark and the time mark that the vehicle passes by are transmitted to the driving warning device of the adjacent higher-order address through micropower wirelessly; meanwhile, the driving warning device with the high address calculates the driving speed of the vehicle by comparing the time difference of the vehicle driving mark uploaded by the driving warning device with the low address and matching the distance between two adjacent driving warning devices;
s4, setting a forward safety distance: calculating the emergency braking safe distance according to the measured vehicle running speed; setting the high-order address driving warning devices of two adjacent driving warning devices for measuring the driving speed of the vehicle as an original point, and setting a forward safety distance in front of the vehicle according to the emergency braking safety distance; the method comprises the steps that a safe distance broadcasting instruction is sent out from an original point, after all driving warning devices located in a forward safe distance receive the safe distance broadcasting instruction, green high-brightness LED lamp beads of an LED lamp panel (2041) are sequentially lightened at a certain frequency, and a green moving indication cursor in the same direction as a driving direction is formed;
s5, setting a backward safety distance: calculating the emergency braking safe distance according to the measured vehicle running speed; setting the high-order address driving warning devices of two adjacent driving warning devices for measuring the driving speed of the vehicle as an original point, and setting a backward safety distance behind the vehicle according to the emergency braking safety distance; the method comprises the steps that a safe distance broadcasting instruction is sent out from an original point, after all driving warning devices located in a backward safe distance receive the safe distance broadcasting instruction, green high-brightness LED lamp beads of an LED lamp panel (2041) are sequentially lightened at a certain frequency, and a green moving indication cursor in the same direction as a driving direction is formed;
s6, orange strobe warning: when a plurality of vehicles run on the highway at the same time, the backward safety distance of the front vehicle and the forward safety distance of the rear vehicle are overlapped in a crossed manner, the traffic warning device in the crossed and overlapped area can simultaneously receive safety distance broadcasting instructions sent by the front original point and the rear original point, and the traffic warning device in the crossed and overlapped area simultaneously lights red-green two-color high-brightness LED lamp beads of the LED lamp panel at a certain frequency to form an orange stroboscopic warning cursor;
s7, red strobe warning: when a plurality of vehicles run on the highway at the same time, and the backward safety distance of the front vehicle and the forward safety distance of the rear vehicle are completely overlapped, the front original point device and the rear original point device receive a safety distance broadcast instruction sent by the other original point device, the driving warning device in the completely overlapped area lights the red high-brightness LED lamp beads of the LED lamp panel at a certain frequency, and a red stroboscopic warning cursor is formed;
s8, setting of follow-up communication groups and communication time slices: when a plurality of vehicles run on the highway at the same time, a plurality of original points are formed, and in order to prevent communication signals sent by the original points from colliding, a follow-up communication group is arranged and is internally provided with a plurality of original points; each origin in the follow-up communication group is provided with an independent communication time slice according to the driving sequence, and each origin sends out a communication signal in the set communication time slice; the communication period of the follow-up communication group is 20 milliseconds, and the follow-up communication group can accommodate 50 communication time slices at most; the follow-up communication group moves along with the original point in the group; each highway can be provided with a plurality of follow-up communication groups; the communication time slices in two adjacent follow-up communication groups are set in opposite order; a 2-millisecond buffer area is arranged between two adjacent follow-up communication groups, and all the origin points are forbidden to send out communication signals in the 2-millisecond buffer area; the original follow-up communication group can be separated from the original origin, and the adjacent follow-up communication group is added; the origin can be separated from the original follow-up communication group to form an independent follow-up communication group.
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