CN112614355A - Acousto-optic projection early warning system and method - Google Patents
Acousto-optic projection early warning system and method Download PDFInfo
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- CN112614355A CN112614355A CN202011442568.0A CN202011442568A CN112614355A CN 112614355 A CN112614355 A CN 112614355A CN 202011442568 A CN202011442568 A CN 202011442568A CN 112614355 A CN112614355 A CN 112614355A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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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
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
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- Engineering & Computer Science (AREA)
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- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses an acousto-optic projection early warning system and method, wherein the acousto-optic projection early warning system comprises: the traffic management center is used for acquiring traffic road condition information and traffic environment information of a high-speed road section and sending a control signal based on the traffic road condition information and the traffic environment information; and the acousto-optic projection early warning equipment is used for responding to the control signal and moving to the position corresponding to the traffic road condition information to execute acousto-optic projection early warning. According to the acousto-optic projection early warning system and method, the police car is not needed to carry out congestion identification, potential safety hazards are avoided, identification can be carried out anytime and anywhere, and the limitation of position randomness is avoided.
Description
Technical Field
The invention relates to the field of high-speed early warning, in particular to an acousto-optic projection early warning system and an acousto-optic projection early warning method.
Background
The vehicle congestion phenomenon of the high-speed traffic police is serious in every spring festival and during major holidays, in addition, part of the high-speed traffic police is in a construction extension state at a high speed, and the high-speed traffic congestion condition is frequent. The high-speed early warning at the present stage mainly realizes early warning through manual work or a large screen, and the high-speed early warning cannot adapt to a proper scene and cannot design the position and the mode of the early warning according to requirements.
Disclosure of Invention
The invention aims to provide an acousto-optic projection early warning system and an acousto-optic projection early warning method, which do not need a police car to carry out congestion identification, avoid potential safety hazards, realize identification at any time and any place and avoid the limitation of position randomness.
In order to achieve the above object, the present invention provides an acousto-optic projection early warning system, which includes: the traffic management center is used for acquiring traffic road condition information and traffic environment information of a high-speed road section and sending a control signal based on the traffic road condition information and the traffic environment information; and the acousto-optic projection early warning equipment is used for responding to the control signal and moving to the position corresponding to the traffic road condition information to execute acousto-optic projection early warning.
Preferably, the traffic management center includes: the receiving equipment is used for receiving traffic road condition information and traffic environment information; and the central server is used for displaying the traffic road condition information and the traffic environment information and sending a control signal for controlling the acousto-optic projection early warning equipment, so that the acousto-optic projection early warning equipment can move to a position contained in the traffic road condition information.
Preferably, the central server includes: the device determining unit is used for determining acousto-optic projection early warning devices corresponding to the positions based on the positions contained in the traffic intersection information; and the device control unit is used for controlling the acousto-optic projection early warning device to move to the position contained in the traffic road condition information and executing acousto-optic projection early warning contained in the control signal.
Preferably, the central server further comprises: the electric quantity monitoring unit is used for monitoring the electric quantity of all the acousto-optic projection early warning devices; and the device control unit is further used for controlling the charging device to move to a position contained in the traffic road condition information to charge the acousto-optic projection early warning device under the condition that the electric quantity of the acousto-optic projection early warning device is smaller than the preset electric quantity.
Preferably, the acousto-optic projection early warning device comprises: a box body; the pulley is arranged on the box body and matched with the high-speed guardrail; the storage battery is arranged inside the box body; the audible and visual alarm, the projection device, the infrared fog lamp, the high-brightness illuminating lamp and the charger are arranged outside the box body and are electrically connected with the storage battery; the audible and visual alarm is fixed outside the box body through the lifting support.
Preferably, the case includes: the device comprises a lower shell and an upper shell erected on the lower shell; wherein: the storage battery is arranged in the lower shell, and the infrared fog lamp and the high-brightness illuminating lamp are arranged on the upper shell.
Preferably, the top of the upper shell is provided with a mounting groove matched with the projection device; and the projection device is connected to the lower shell through a telescopic rod and can descend into the mounting groove of the upper shell, wherein the telescopic rod is hinged to the projection device.
In addition, the invention also provides an acousto-optic projection early warning method, which uses the acousto-optic projection early warning system, and comprises the following steps: the method comprises the steps that at a traffic management center, traffic road condition information and traffic environment information of a high-speed road section are obtained, and a control signal is sent based on the traffic road condition information and the traffic environment information; and responding to the control signal, and controlling the acousto-optic projection early warning equipment appointed by the control signal to move to a position corresponding to the traffic road condition information to execute acousto-optic projection early warning.
Preferably, the acousto-optic projection early warning method further includes: and under the condition that the electric quantity of the acousto-optic projection early warning equipment is smaller than the preset electric quantity, controlling a charging device to move to a position contained in the traffic road condition information so as to charge the acousto-optic projection early warning equipment.
Preferably, the acousto-optic projection early warning comprises controlling any one of the following devices to execute early warning: audible and visual annunciator, projection arrangement, infrared ray fog lamp, highlight light.
According to the technical scheme, the acousto-optic projection early warning system can utilize a designed traffic management center to control a plurality of acousto-optic projection early warning devices, where an accident or congestion occurs, the corresponding acousto-optic projection devices are arranged to execute corresponding early warning work, a police does not need to drive to the police, the whole process only needs to be automatically controlled and executed, manual participation is not needed, and in addition, early warning can be carried out on a congested road section after the acousto-optic projection early warning devices reach a specified place.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a block diagram illustrating an acousto-optic projection early warning system of the present invention;
FIG. 2 is a schematic view of an angle structure of the acousto-optic projection early warning device for road traffic management according to the present invention; and
fig. 3 is a schematic structural diagram of another angle of the acousto-optic projection early warning device for road traffic management in the invention.
Description of reference numerals:
1. a box body; 2. an audible and visual alarm; 3. a projection device; 4. an infrared fog lamp; 5. highlighting the illuminating lamp; 6. a lower housing; 7. an upper housing; 8. installing a groove; 9. a telescopic rod; 10. an adjustable support column; 11. a back plate; 12. a fixing member; 13. an inner brace rod; 14. a bolt; 15. an outer stay bar; 16. a pulley.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the present invention, unless otherwise specified, the directional words included in the terms such as "up, down, left, right" and the like merely represent the directions of the terms in a conventional use state or are colloquially known by those skilled in the art, and should not be construed as limiting the terms.
Fig. 1 is a block diagram of an acousto-optic projection early warning system according to the present invention, as shown in fig. 1, the acousto-optic projection early warning system includes: and the traffic management center is used for acquiring traffic road condition information and traffic environment information of the highway section and sending a control signal based on the traffic road condition information and the traffic environment information. The system also comprises acousto-optic projection early warning equipment which is used for responding to the control signal and moving to the position corresponding to the traffic road condition information to execute acousto-optic projection early warning.
Preferably, the traffic management center includes: the receiving equipment is used for receiving traffic road condition information and traffic environment information, wherein the traffic road condition information and the traffic environment information can be acquired through equipment preset at a high speed or can be acquired through data arrangement of a third-party platform; and the central server is used for displaying the traffic road condition information and the traffic environment information and sending a control signal for controlling the acousto-optic projection early warning equipment, so that the acousto-optic projection early warning equipment can move to a position contained in the traffic road condition information. The central server can realize the display of data and the sending of control signals, and is convenient for the overall control of personnel in the traffic management center.
Preferably, the central server includes: the device determining unit is used for determining acousto-optic projection early warning devices corresponding to the positions based on the positions contained in the traffic intersection information, wherein each device has an id, different ids represent different acousto-optic projection early warning devices, and different acousto-optic projection early warning devices can be determined according to different positions; and the device control unit is used for controlling the acousto-optic projection early warning device to move to the position contained in the traffic road condition information and executing acousto-optic projection early warning contained in the control signal.
Preferably, the central server may further include: the electric quantity monitoring unit is used for monitoring the electric quantity of all the acousto-optic projection early warning devices; and the device control unit is further configured to control the charging device to move to a position included in the traffic road condition information to charge the acousto-optic projection early warning device when the electric quantity of the acousto-optic projection early warning device is less than 20% of the preset electric quantity.
Preferably, the acousto-optic projection early warning device comprises: a box body 1; the pulley 16 is arranged on the box body 1 and is matched with the high-speed guardrail; a storage battery arranged inside the box body 1; the audible and visual alarm 2, the projection device 3, the infrared fog lamp 4, the high-brightness illuminating lamp 5 and the charger are arranged outside the box body 1 and electrically connected with the storage battery; the audible and visual alarm 2 is fixed outside the box body through a lifting support. The pulley has general applicability, and can be replaced by externally designing the pulley on a road section which is not matched with the pulley, wherein the acousto-optic projection early warning device only runs in an emergency channel and only runs by side.
Therefore, the early warning device capable of being contracted to the minimum is designed, namely a lifting support is designed to realize the lifting and contraction of the audible and visual alarm 2, so that the early warning device can be contracted to the minimum structure, in addition, the early warning device integrates the audible and visual alarm 2, the projection device 3, the infrared fog lamp 4, the high-brightness illuminating lamp 5 and other structures into a whole, can realize audible and visual alarm, can realize projection according to needs, can realize special illumination display in a special environment, and can realize the charging of a storage battery through a charger.
Preferably, in order to implement installation of a plurality of devices, the case 1 includes: the device comprises a lower shell 6 and an upper shell 7 erected on the lower shell 6; wherein: the storage battery is arranged in the lower shell 6, and the infrared fog lamp 4 and the high-brightness illuminating lamp 5 are arranged on the upper shell 7. As shown in fig. 1, the upper case 7 is mounted on the outside of the lower case 6, and the upper case 7 is used to cooperate with various lighting devices to increase the height of the lighting recognition.
Preferably, in order to fix the projection device 3, the top of the upper housing 7 is provided with a mounting groove 8 adapted to the projection device 3; and, the projection device 3 is connected to the lower housing 6 through a telescopic rod 9 and can be lowered into the mounting groove 8 of the upper housing 7, wherein the telescopic rod 9 is hinged to the projection device 3. The angle of the projection device 3 can be adjusted as required to match with the position of projection, and the projection device 3 can be folded by the mounting groove 8 when not in use, so that the projection device 3 is prevented from being damaged.
Preferably, the lifting bracket may include: an adjustable support column 10 which is arranged on the lower shell 6 and can be extended and retracted, a back plate 11 which is arranged on the adjustable support column 10, and a fixing piece 12 which is arranged on the upper shell 7; wherein: the fixing part 12 is used for fixing the length of the adjustable supporting column 10, and the audible and visual alarm 2 is installed on the back plate 11.
Preferably, the adjustable supporting columns 10 (as shown in fig. 1 and 2, the number of the adjustable supporting columns 10 is two, and the two adjustable supporting columns are respectively arranged on two sides) include: an inner stay bar 13 with one end extending to the inside of the lower shell 6 and an outer stay bar 15 sleeved on the inner stay bar 13; wherein the fixing member 12 clamps and fixes the outer stay 15. Wherein the end of the inner stay 13 extending to the inside of the lower case 6 is fixed. The outer stay 15 can be retracted to cover the outer surface of the inner stay 13 completely.
Preferably, the fixing member 12 includes: a flange plate protruding from the upper case 7 (where the flange plate is fixed by the bolts 14), and bolts 14 penetrating the flange plate and the outer stays 15.
The bolt 14 can penetrate through the flange plate and the outer stay bar 15 to relatively fix the flange plate and the outer stay bar 15, the bolt 14 is disassembled, the outer stay bar 15 falls onto the lower shell 6, and then the audible and visual alarm 2 can be contracted to the minimum position, and can be lifted to the highest position in actual use, so that a driver can conveniently observe the audible and visual alarm.
Preferably, to facilitate use of the device, so that it can be conveniently used on-board a vehicle, the charger is configured as an on-board charger capable of charging the battery.
Preferably, in order to support the box 1, the bottom of the box 1 is provided with support feet (not shown in fig. 1 and 2).
Through the structure, the invention can realize the early warning of sound and optical fiber, wherein the early warning can be carried out on congested road sections, the traffic control reminding can be carried out (by using the projection device 3), the sound-light alarm can be the flashing alarm of sound and red and blue light, in addition, the projection of road condition information can be realized by using the structure, the laser lamp warning in a fog area can be realized, and the on-site emergency lighting can be realized, wherein the projection of the road condition information comprises the following steps: the method comprises the following steps of deceleration and slow running in foggy weather, forward congestion, deceleration and slow running of a forward accident, deceleration and slow running in foggy weather, traffic control in sleet weather and the like.
In addition, the invention relates to an acousto-optic projection early warning method, which uses the acousto-optic projection early warning system, and comprises the following steps: the method comprises the steps that at a traffic management center, traffic road condition information and traffic environment information of a high-speed road section are obtained, and a control signal is sent based on the traffic road condition information and the traffic environment information; and responding to the control signal, and controlling the acousto-optic projection early warning equipment appointed by the control signal to move to a position corresponding to the traffic road condition information to execute acousto-optic projection early warning.
Preferably, the acousto-optic projection early warning method further includes: and under the condition that the electric quantity of the acousto-optic projection early warning equipment is smaller than the preset electric quantity, controlling a charging device to move to a position contained in the traffic road condition information so as to charge the acousto-optic projection early warning equipment.
Preferably, the acousto-optic projection early warning comprises controlling any one of the following devices to execute early warning: audible and visual annunciator, projection arrangement, infrared ray fog lamp, highlight light.
Compared with the prior art, the acousto-optic projection early warning method has the same distinguishing technical characteristics and technical effects as the acousto-optic projection early warning system, and is not repeated herein.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. An acousto-optic projection early warning system, which is characterized by comprising:
the traffic management center is used for acquiring traffic road condition information and traffic environment information of a high-speed road section and sending a control signal based on the traffic road condition information and the traffic environment information; and
and the acousto-optic projection early warning equipment is used for responding to the control signal and moving to the position corresponding to the traffic road condition information to execute acousto-optic projection early warning.
2. The acousto-optic projection early warning system according to claim 1, wherein the traffic management center comprises:
the receiving equipment is used for receiving traffic road condition information and traffic environment information; and
and the central server is used for displaying the traffic road condition information and the traffic environment information and sending a control signal for controlling the acousto-optic projection early warning equipment, so that the acousto-optic projection early warning equipment can move to a position contained in the traffic road condition information.
3. The acousto-optic projection early warning system according to claim 2, wherein the central server comprises:
the device determining unit is used for determining acousto-optic projection early warning devices corresponding to the positions based on the positions contained in the traffic intersection information; and
and the device control unit is used for controlling the acousto-optic projection early warning device to move to the position contained in the traffic road condition information and executing acousto-optic projection early warning contained in the control signal.
4. The acousto-optic projection early warning system according to claim 3, wherein the central server further comprises: the electric quantity monitoring unit is used for monitoring the electric quantity of all the acousto-optic projection early warning devices;
and the device control unit is further used for controlling the charging device to move to a position contained in the traffic road condition information to charge the acousto-optic projection early warning device under the condition that the electric quantity of the acousto-optic projection early warning device is smaller than the preset electric quantity.
5. The acousto-optic projection early warning system according to claim 1, characterized in that the acousto-optic projection early warning device comprises: a box body (1); the pulley (16) is arranged on the box body (1) and is matched with the high-speed guardrail; the storage battery is arranged inside the box body (1); the audible and visual alarm (2), the projection device (3), the infrared fog lamp (4), the high-brightness illuminating lamp (5) and the charger are arranged outside the box body (1) and electrically connected with the storage battery; the audible and visual alarm (2) is fixed outside the box body through a lifting support.
6. The acousto-optic projection early warning system according to claim 5, characterized in that the cabinet (1) comprises: the device comprises a lower shell (6) and an upper shell (7) erected on the lower shell (6); wherein: the storage battery is arranged in the lower shell (6), and the infrared fog lamp (4) and the high-brightness illuminating lamp (5) are arranged on the upper shell (7).
7. The acousto-optic projection early warning system according to claim 6, characterized in that the top of the upper housing (7) is provided with a mounting groove (8) adapted to the projection device (3);
and the projection device (3) is connected to the lower shell (6) through a telescopic rod (9) and can be lowered into a mounting groove (8) of the upper shell, wherein the telescopic rod (9) is hinged to the projection device (3).
8. An acousto-optic projection early warning method, characterized in that the acousto-optic projection early warning method uses the acousto-optic projection early warning system of any one of claims 1-7, and the acousto-optic projection early warning method comprises:
the method comprises the steps that at a traffic management center, traffic road condition information and traffic environment information of a high-speed road section are obtained, and a control signal is sent based on the traffic road condition information and the traffic environment information; and
and responding to the control signal, and controlling the acousto-optic projection early warning equipment appointed by the control signal to move to a position corresponding to the traffic road condition information to execute acousto-optic projection early warning.
9. The acousto-optic projection early warning method according to claim 8, characterized in that the acousto-optic projection early warning method further comprises:
and under the condition that the electric quantity of the acousto-optic projection early warning equipment is smaller than the preset electric quantity, controlling a charging device to move to a position contained in the traffic road condition information so as to charge the acousto-optic projection early warning equipment.
10. The acousto-optic projection early warning method according to claim 9, wherein the acousto-optic projection early warning includes controlling any one of the following devices to perform early warning: audible and visual annunciator, projection arrangement, infrared ray fog lamp, highlight light.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113380058A (en) * | 2021-04-23 | 2021-09-10 | 西安纳兴电子科技有限公司 | Multifunctional road information comprehensive projection system |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105206050A (en) * | 2015-09-06 | 2015-12-30 | 浙江省公安厅高速公路交通警察总队宁波支队 | Mobile monitoring device on expressway |
CN105913688A (en) * | 2016-06-04 | 2016-08-31 | 迟同胜 | Expressway collision avoidance early warning system and method thereof |
US20180018875A1 (en) * | 2016-07-12 | 2018-01-18 | Baidu Online Network Technology (Beijing) Co., Ltd. | Method and apparatus for indicating vehicle moving state |
CN209842878U (en) * | 2019-06-17 | 2019-12-24 | 南京信息工程大学 | Self-propelled sharing type expressway fault vehicle warning system based on Beidou |
CN110722574A (en) * | 2019-09-26 | 2020-01-24 | 山西省交通科技研发有限公司 | Intelligent monitoring and early warning robot for expressway and working method thereof |
CN111785083A (en) * | 2020-05-27 | 2020-10-16 | 诠航科技有限公司 | Intelligent traffic early warning system based on guardrail patrol machine |
CN111785081A (en) * | 2020-05-27 | 2020-10-16 | 诠航科技有限公司 | Guard bar patrol machine |
CN111932921A (en) * | 2020-06-03 | 2020-11-13 | 东南大学 | Communication method of highway traffic accident early warning prediction system |
-
2020
- 2020-12-08 CN CN202011442568.0A patent/CN112614355A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105206050A (en) * | 2015-09-06 | 2015-12-30 | 浙江省公安厅高速公路交通警察总队宁波支队 | Mobile monitoring device on expressway |
CN105913688A (en) * | 2016-06-04 | 2016-08-31 | 迟同胜 | Expressway collision avoidance early warning system and method thereof |
US20180018875A1 (en) * | 2016-07-12 | 2018-01-18 | Baidu Online Network Technology (Beijing) Co., Ltd. | Method and apparatus for indicating vehicle moving state |
CN209842878U (en) * | 2019-06-17 | 2019-12-24 | 南京信息工程大学 | Self-propelled sharing type expressway fault vehicle warning system based on Beidou |
CN110722574A (en) * | 2019-09-26 | 2020-01-24 | 山西省交通科技研发有限公司 | Intelligent monitoring and early warning robot for expressway and working method thereof |
CN111785083A (en) * | 2020-05-27 | 2020-10-16 | 诠航科技有限公司 | Intelligent traffic early warning system based on guardrail patrol machine |
CN111785081A (en) * | 2020-05-27 | 2020-10-16 | 诠航科技有限公司 | Guard bar patrol machine |
CN111932921A (en) * | 2020-06-03 | 2020-11-13 | 东南大学 | Communication method of highway traffic accident early warning prediction system |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113380058A (en) * | 2021-04-23 | 2021-09-10 | 西安纳兴电子科技有限公司 | Multifunctional road information comprehensive projection system |
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Application publication date: 20210406 |