CN112991771A - Traffic road sign device and anti-toppling and speed measuring method thereof - Google Patents
Traffic road sign device and anti-toppling and speed measuring method thereof Download PDFInfo
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- CN112991771A CN112991771A CN202110168447.XA CN202110168447A CN112991771A CN 112991771 A CN112991771 A CN 112991771A CN 202110168447 A CN202110168447 A CN 202110168447A CN 112991771 A CN112991771 A CN 112991771A
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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
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
- G09F7/002—Signs, name or number plates, letters, numerals, or symbols; Panels or boards weather-proof panels or boards
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Traffic Control Systems (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
The invention discloses a traffic road sign device and an anti-toppling and speed measuring method thereof, wherein the traffic road sign device comprises a sign board, a supporting component, a speed measuring radar and an anti-toppling base; the speed measuring radar is positioned on the supporting component; the indication board is provided with a solar cell panel and an information emitter; the anti-toppling base comprises a shell, a balancing weight, a first spring and a second spring, wherein the first spring and the second spring are positioned on two sides of the balancing weight; a first pressure sensor is arranged on the first spring, and a second pressure sensor is arranged on the second spring; the supporting component is fixed in the anti-toppling base through the balancing weight. In the anti-toppling method of the traffic road sign device, when the difference value lambda of the two pressure sensors is less than or equal to lambdamaxWhen the device is normal; when λ ≧ λmaxWhen the device is abnormal, the device sends information to the information memory. Obtaining the real-time speed v of the passing vehicle by adopting a speed measuring radar, and when v is greater than vmaxThe overspeed information is sent. The invention solves the problem that the traffic road sign is influenced by weather,The topography influence leads to the phenomenon that the road sign emptys to judge whether the vehicle of passing by is overspeed, convenient and fast.
Description
Technical Field
The invention relates to an indicating device in the traffic field, in particular to a traffic road sign device and an anti-toppling and speed measuring method thereof.
Background
In the existing traffic indication road sign, when natural phenomena such as strong wind happen occasionally, the traffic indication road sign topples over, so that drivers are not easy to distinguish the content of the road sign, and even block traffic. Meanwhile, the problems of unstable and uneven foundation can be met sometimes, so that the traffic indication road sign is inclined, and the identification of a driver is influenced.
In addition, in some places where cables are not laid due to too long roads in expressways and mountainous areas, law enforcement officers are difficult to fully master speed measurement information of related vehicles, so that driving safety is difficult to guarantee.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the defects in the prior art, the invention provides a traffic road sign device and an anti-toppling and speed measuring method thereof, which solve the problem that the road sign topples over due to the influence of weather and terrain of the current traffic indication road sign, avoid the condition of laying cables in a large range, provide speed measuring information of the position of the traffic road sign device and generate great benefits at lower cost.
The technical scheme is as follows: the traffic road sign device comprises a sign board, a supporting component, a speed measuring radar and an anti-toppling base;
the speed measuring radar is positioned on the supporting component;
the indication board is provided with a solar cell panel and an information emitter;
the anti-toppling base comprises a shell, a balancing weight, a first spring and a second spring, wherein the first spring and the second spring are positioned on two sides of the balancing weight; a first pressure sensor is arranged on the first spring, and a second pressure sensor is arranged on the second spring;
the supporting component is fixed in the anti-toppling base through the balancing weight.
The supporting component comprises a main rod, a cross rod and a supporting frame; the main rod is fixed in the anti-toppling base by the cross rod through the support frame.
The anti-toppling base is provided with an information memory.
The invention relates to an anti-toppling method of a traffic road sign device, which comprises the following steps:
(1) setting the pressure value of the first pressure sensor to F1The pressure value of the second pressure sensor is F2From the formula
Obtaining the difference lambda of the two pressure sensors in the relative time t, and setting the maximum allowable difference lambdamaxWhen λ ≦ λmaxWhen the device is normal; when λ ≧ λmaxWhen so, the device is abnormal;
(2) when the device is judged to be abnormal, the information is sent to the information memory, and then the information is sent to the terminal device by the information transmitter.
In order to avoid the situation that abnormal information of the device cannot be sent to the terminal equipment due to power failure or failure in information sending caused by other reasons, normal information of the device is sent to the terminal device every time T, if the normal information of the device is not sent within the time T, the device is judged to be abnormal, and law enforcement personnel are reminded to overhaul.
The invention relates to a speed measuring method of a traffic road sign device, which comprises the following steps:
(1b) set limited maximum vehicle speed vmax；
(2b) The speed measuring radar measures the speed of the vehicle in the approach to obtain a real-time vehicle speed v;
(3b) judging whether the real-time vehicle speed v is less than the limited maximum vehicle speed vmax；
(4b) If the judgment result is yes, the next operation is not carried out;
(5b) if not, the vehicle overspeed information is sent.
Has the advantages that: compared with the prior art, the invention has the following advantages:
(1) the invention utilizes the balancing weight and the spring to keep the traffic indication road sign vertical, reduces the influence of weather and topography on the traffic indication road sign, ensures that the indication information is read all the time, and ensures the traveling safety of drivers.
(2) Whether the passing vehicle is overspeed or not is judged by using the speed measuring radar, and convenience and rapidness are achieved.
(3) The solar driving device is utilized, so that the cost is low, and the management of law enforcement personnel on corresponding road sections is facilitated.
Drawings
Fig. 1 is a front view of a road marking apparatus according to the present invention;
fig. 2 is a side view of a road marking unit according to the present invention;
fig. 3 is a flow chart of the operation of the present invention.
Detailed Description
As shown in fig. 1 and 2, the traffic road sign device of the invention comprises a sign 1, a support component, a speed measuring radar d and an anti-toppling base; in which a signboard 1 provides a space for placing a content of indication.
The supporting component comprises a main rod 2, a cross rod 3 and a supporting frame 7; the main rod 2 is used for supporting the indication board 1, the cross rod 3 is used for supporting the main rod 2 and the indication board 1 and providing a movement fulcrum of the main rod 2; the cross rod 3 is fixed on the anti-toppling base through the support frame 7.
Prevent empting the base and include base shell 8, base upper cover 9, first spring 4a, second spring 4b and balancing weight 5, this balancing weight 5 is located the bottom of mobile jib 2 for position between balanced supporting component and the sign 1, and give corresponding gravity, and then make mobile jib 2 keep vertical.
First spring 4a and second spring 4b are located the both sides of balancing weight 5, and balancing weight 5 is connected with base shell 8 through first spring 4a, second spring 4b, and then restricts balancing weight 5's motion path, reduces the unnecessary swing of mobile jib 2.
The base shell 8 and the base upper cover 9 are fixedly connected through screws 6, and the base upper cover 9 is used for protecting the internal structure.
Wherein, the supporting component bottom is located prevents empting the base, and simultaneously, mobile jib 2 among the supporting component passes this base upper cover 9 and then plays the supporting role to sign 1.
A solar cell panel a and an information transmitter b are positioned on the sign 1, wherein the solar cell panel a is used for collecting energy and providing required energy for the road sign device. The information emitter b is used for emitting information in the memory and sending the device information to the signal receiving device, and then transmitting the information to the terminal device, so that law enforcement personnel can conveniently observe the information according to the terminal device and make a response.
A first pressure sensor c1 is located at the junction of the first spring 4a and the base, and a second pressure sensor c2 is located at the junction of the second spring 4b and the base, to detect the force of the spring connected to the counterweight 5. When the forces of the two springs are different, the traffic indication road sign is not in a vertical state; when the difference lambda of the forces of the two springs is larger than the preset difference lambdamaxThen, it is considered that the force is enough to damage the traffic indication road sign, such as the case that the support rod is bent by force and the spring is beyond the bearing range, see the following analysis process.
Wherein the first pressure sensor c1 and the second pressure sensor c2 are used to perform self-check on the road marking device of the present invention. The speed measuring radar d is positioned on the main rod 2 and used for measuring the speed of passing vehicles. In this embodiment, the main rod 2 is provided with a hole for installing a speed measuring radar d.
The information memory e is positioned below the base upper cover 9 and used for storing the speed measurement information of the radar and the information of the pressure sensor. A battery f is located within the base and is used to conserve energy and power the device.
As shown in fig. 3, the road sign device of the present invention first obtains energy through the solar panel a, then stores the energy by the storage battery, and then performs radar speed measurement by using the stored energy, and simultaneously obtains the pressure difference between the two pressure sensors at the two springs for information storage and information output.
The two processes of radar speed measurement and pressure difference value acquisition are not interfered with each other, information is recorded into an information memory e, and then data in the information memory is sent to a terminal device by an information transmitter.
The specific method of the anti-toppling function of the road sign device comprises the following steps:
adjusting the required movement interval according to the hardness of the spring 4, and setting the pressure value of the first pressure sensor to be F1The pressure value of the second pressure sensor is F2Law enforcementPersonnel set the maximum allowed difference lambdamaxAnd relative time t, wherein the difference lambda of the pressure sensor in the relative time t is obtained, namely:
and then, judging the condition of the device according to a preset difference value, namely:
when the device is judged to be abnormal, sending information to an information memory e, and then sending the abnormal information of the device to the terminal device by an information transmitter b; if the device is determined to be normal, the information is not transmitted.
In addition, in order to avoid that the device cannot send abnormal information of the device to law enforcement officers due to power failure or failure to send information due to other reasons, the device is limited to send a piece of normal information message of the device to the law enforcement officers every time T elapses.
I.e. during the respective time T:
the device providing the device abnormality at this time is the terminal device.
It follows that the anti-tip function of the road marking device of the present invention is achieved by the following steps:
(1a) law enforcement personnel set the maximum difference lambda of two pressure sensorsmaxAnd a relative time t; in time t, the pressure difference value of the two pressure sensors is smaller than the maximum pressure difference value allowed by prediction, so that the purpose is to avoid that the force generated during self-regulation acts on the pressure sensors when the traffic indication road sign meets the weather such as strong wind and the like, and the false alarm device is abnormal. The purpose of the pressure sensor is to detect the stress, the maximum difference is the force that the device can bear, and the preset difference is the force that the device cannot bear.
(2a) The main rod 2 is kept vertical in a static state by utilizing a balancing weight 5;
(3a) the movement path of the indicating road sign is limited by a spring 4;
(4a) acquiring a maximum difference lambda according to the pressure sensor c, wherein the maximum difference is the bearable force of the device;
(5a) judging whether the maximum difference lambda is smaller than a preset difference lambda within the relative time tmaxThe preset difference value is the force which can not be borne by the device;
(6a) if the judgment result is yes, the next operation is not carried out;
(7a) if the judgment result is no, namely the maximum difference value is larger than or equal to the preset difference value, the traffic indication road sign is subjected to strong external force to cause damage to the traffic road sign, and abnormal information of the device is sent.
Secondly, the speed measuring method of the road sign device for the vehicle comprises the following steps:
(1b) law enforcement personnel set maximum vehicle speed limit vmax；
(2b) The speed measuring radar measures the speed of the vehicle in the approach to obtain a real-time vehicle speed v;
(3b) judging whether the real-time vehicle speed v is less than the maximum vehicle speed vmax；
(4b) If the judgment result is yes, the next operation is not carried out;
(5b) if not, the vehicle overspeed information is sent.
The specific method for the speed measuring function of the road sign device is analyzed as follows:
the speed measurement radar measures the speed per hour of the vehicle as v, and the maximum speed v is preset by law enforcement personnelmaxA comparison is made to determine whether the vehicle is speeding, i.e.:
when the automobile is judged to be overspeed, overspeed information is sent to the information memory, and then the automobile overspeed information is sent to the terminal device by the information transmitter; if the vehicle speed is determined to be normal, no information is transmitted.
Claims (6)
1. A traffic marking apparatus, characterized by: the road sign device comprises a sign board (1), a supporting component, a speed measuring radar (d) and an anti-toppling base;
the speed measuring radar (d) is positioned on the supporting component;
the indication board (1) is provided with a solar cell panel (a) and an information emitter (b);
the anti-toppling base comprises a shell (8), a balancing weight (5), a first spring (4a) and a second spring (4b) which are positioned on two sides of the balancing weight; a first pressure sensor (c1) is arranged on the first spring, and a second pressure sensor (c2) is arranged on the second spring;
the supporting component is fixed in the anti-toppling base through a balancing weight (5).
2. A traffic marking apparatus as claimed in claim 1, wherein: the supporting component comprises a main rod (2), a cross rod (3) and a supporting frame (7); the main rod (2) is fixed in the anti-toppling base by the cross rod (3) through the support frame (7).
3. A traffic marking apparatus as claimed in claim 1, wherein: and an information memory (e) is arranged on the anti-toppling base.
4. A method for preventing toppling of a traffic road marking apparatus according to claim 1, wherein: the method comprises the following steps:
(1) setting the pressure value of the first pressure sensor to F1The pressure value of the second pressure sensor is F2From the formula
Obtaining the difference lambda of the two pressure sensors in the relative time t, and setting the maximum allowable difference lambdamaxWhen λ ≦ λmaxWhen the device is normal; when λ ≧ λmaxWhen so, the device is abnormal;
(2) when the device is judged to be abnormal, the information is sent to the information memory (e), and then the information is sent to the terminal device by the information transmitter (b).
5. The anti-toppling method of a traffic road marking apparatus according to claim 4, wherein: and sending the device normal information to the terminal device every time T, and if the device normal information is not sent in the time T, determining that the device is abnormal.
6. A method of measuring a speed of a traffic marking apparatus as claimed in claim 1, wherein: the method comprises the following steps:
(1b) set limited maximum vehicle speed vmax；
(2b) The speed measuring radar measures the speed of the vehicle in the approach to obtain a real-time vehicle speed v;
(3b) judging whether the real-time vehicle speed v is less than the limited maximum vehicle speed vmax；
(4b) If the judgment result is yes, the next operation is not carried out;
(5b) if not, the vehicle overspeed information is sent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110168447.XA CN112991771A (en) | 2021-02-07 | 2021-02-07 | Traffic road sign device and anti-toppling and speed measuring method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110168447.XA CN112991771A (en) | 2021-02-07 | 2021-02-07 | Traffic road sign device and anti-toppling and speed measuring method thereof |
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| CN112991771A true CN112991771A (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110168447.XA Pending CN112991771A (en) | 2021-02-07 | 2021-02-07 | Traffic road sign device and anti-toppling and speed measuring method thereof |
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Application publication date: 20210618 |