CN113345219A - Camera switching method based on network connection - Google Patents

Camera switching method based on network connection Download PDF

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Publication number
CN113345219A
CN113345219A CN202110438770.4A CN202110438770A CN113345219A CN 113345219 A CN113345219 A CN 113345219A CN 202110438770 A CN202110438770 A CN 202110438770A CN 113345219 A CN113345219 A CN 113345219A
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China
Prior art keywords
camera
road
module
background
audio
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CN202110438770.4A
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Chinese (zh)
Inventor
陈涛
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Microgrid Union Technology Chengdu Co ltd
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Microgrid Union Technology Chengdu Co ltd
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Priority to CN202110438770.4A priority Critical patent/CN113345219A/en
Publication of CN113345219A publication Critical patent/CN113345219A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/01Detecting movement of traffic to be counted or controlled
    • G08G1/0104Measuring and analyzing of parameters relative to traffic conditions
    • G08G1/0108Measuring and analyzing of parameters relative to traffic conditions based on the source of data
    • G08G1/0116Measuring and analyzing of parameters relative to traffic conditions based on the source of data from roadside infrastructure, e.g. beacons
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18Status alarms
    • G08B21/24Reminder alarms, e.g. anti-loss alarms
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00Audible signalling systems; Audible personal calling systems
    • G08B3/10Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/01Detecting movement of traffic to be counted or controlled
    • G08G1/0104Measuring and analyzing of parameters relative to traffic conditions
    • G08G1/0125Traffic data processing
    • G08G1/0133Traffic data processing for classifying traffic situation
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/01Detecting movement of traffic to be counted or controlled
    • G08G1/017Detecting movement of traffic to be counted or controlled identifying vehicles
    • G08G1/0175Detecting movement of traffic to be counted or controlled identifying vehicles by photographing vehicles, e.g. when violating traffic rules
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/66Remote control of cameras or camera parts, e.g. by remote control devices
    • H04N23/661Transmitting camera control signals through networks, e.g. control via the Internet
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/18Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/181Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electromagnetism (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Traffic Control Systems (AREA)

Abstract

The invention discloses a network connection-based camera switching method, which aims at solving the problems that a single type of camera cannot be switched on and off in real time, so that information is lost when a security management camera is switched off and road processing is easily disordered, and provides the following scheme, comprising the following steps of S1: opening background management communication equipment of the traffic management system, and starting a background monitoring display screen; s2: allocating different personnel to be responsible for answering feedback information from the communication equipment and checking road conditions from a display screen; s3: integrating the received feedback information with the viewed road information; s4: recording the concrete road condition of each road section, and carrying out classified statistics on the reasons of the road condition; s5: when the road is transformed due to special reasons and temporarily controlled, the working personnel close the cameras through the background controller and the classification control assembly. According to the invention, the closing and opening of different types of camera equipment are independently controlled, so that the road order can be flexibly maintained.

Description

Camera switching method based on network connection
Technical Field
The invention relates to the technical field of traffic control monitoring, in particular to a camera switching method based on network connection.
Background
Currently, network control refers to the formation of one or more closed control loops through a series of communication channels, and the functions of signal processing, decision optimization and control operation are provided, and the controller can be distributed at different places in the network. Today, as society and economy develop rapidly, the living standard of urban residents is continuously improved, and motor vehicles become indispensable transportation tools for people to go out. How to effectively manage the motor vehicles, how to penalize and reduce traffic violation behaviors, how to rapidly detect the escape of traffic accidents and motor vehicle robbery cases becomes a problem which is more and more emphasized by governments and traffic control departments in various regions. Therefore, the installation and implementation of the intelligent traffic monitoring system also become important concerns of the management department. The intelligent traffic monitoring system provides picture monitoring, vehicle inquiry, violation inquiry, intelligent study and judgment, control and distribution, flow statistical analysis, real-time monitoring of traffic road conditions, vehicle number plate character recognition, vehicle number plate color recognition, vehicle body color recognition, vehicle speed per hour detection and other bayonet functions, and simultaneously provides red light running, running without lane pressing, violation lane changing, reverse running, line pressing (real) and other functions; the system supports distribution and control by inputting information such as license plate numbers, vehicle owner information, vehicle body colors, vehicle body lengths, vehicle types, license plate colors, distribution and control mechanisms, wanted units, distribution and control types, distribution and control contacts, distribution and control time and the like, the living standard of urban residents is continuously improved nowadays when social economy is rapidly developed, and motor vehicles become indispensable transportation tools for people to go out. How to effectively manage the motor vehicles, how to penalize and reduce traffic violation behaviors, how to rapidly detect the escape of traffic accidents and motor vehicle robbery cases becomes a problem which is more and more emphasized by governments and traffic control departments in various regions. Therefore, the installation and implementation of the intelligent traffic monitoring system also become important concerns of the management department.
The monitoring cameras are various in types, when construction or road control is carried out on a plurality of urban road sections or highway road sections, a driver cannot drive a vehicle according to a preset route, the cameras at the moment can still continuously shoot violations of regulations and the like, the trouble of later-stage driver complaints is caused, the supervised road sections are lost, invalid data can be stored due to continuous shooting, and further the pressure of background storage is increased.
The existing network connection-based camera switching method is usually implemented by a master switching mode, and the camera at the position cannot be switched on and off in real time for a single type of camera, so that information loss is caused when the security management camera is switched off, and road processing confusion is easily caused.
Disclosure of Invention
The invention provides a camera switching method based on network connection, which is based on the technical problems that a single type of camera cannot be switched on and off in real time, so that information is lost when a security management camera is switched off, and road processing is easily disordered.
In order to achieve the purpose, the invention adopts the following technical scheme:
a camera switching method based on network connection comprises the following steps:
s1: opening background management communication equipment of the traffic management system, and starting a background monitoring display screen;
s2: allocating different personnel, on one hand, answering feedback information from the communication equipment, and on the other hand, checking the road condition through display screens of all areas;
s3: integrating the received feedback information with the viewed road information;
s4: recording the concrete road condition of each road section, carrying out classified statistics on the reasons of the road condition, and recording and issuing a notice from a microphone in a background input unit by a worker;
s5: if the road is modified due to special reasons and temporarily controlled, a worker controls the camera to be closed through the background controller and the classification control components connected to different types, and the sound box arranged on the camera equipment can also play a bypassing notice in a circulating mode according to the situation;
s6: the system has an automatic reminding function, performs return visit after arrival reminding, and controls to open the camera in time;
s7: and (4) checking each camera on the road section without problems to ensure that the cameras all work normally.
As a still further scheme of the invention: the road traffic information management system comprises a controller, a background input unit, a background display module, a power supply module, camera equipment, a storage module, a wireless communication unit, and still be equipped with equipment output unit on the camera, it is relatively difficult that a large amount of camera equipment of road traffic network manage, and utilize controller control wireless communication unit can receive the information feedback from road situation, also can utilize the big screen of display screen that background display module connects to show road information simultaneously, through the integration to road information, the orderly processing information of traffic management system of being more convenient for.
As a still further scheme of the invention: the background display module is used for being connected with the background display screen and is responsible for displaying pictures shot by the camera equipment.
As a still further scheme of the invention: the backstage input unit includes microphone equipment, audio acquisition module and audio input module for audio information such as the notice of input backstage staff's release, the staff types the notice and releases from the microphone in the backstage input unit, the audio output module on audio input module transmission to audio amplifier equipment at audio announcement control backstage, the audio amplifier circulation broadcast that sets up on the rethread camera equipment is walked around and is announced, reminds the navigating mate to detour.
As a still further scheme of the invention: the device output unit includes an audio input module and a flash module.
As a still further scheme of the invention: the audio output module is connected with a sound box device, and the sound box device is provided with an audio receiving module.
The audio receiving module: the voice box equipment is used for receiving the audio information input by the control background and releasing the information transmitted by the audio input module by the voice box equipment as the information of the audio announcement.
As a still further scheme of the invention: and the flash module is connected with an LED light supplementing lamp source.
A flash module: the camera is used for shooting multiple times of shooting of the license plate number of the violation vehicle.
LED fill light source: the light supplementing device is used for supplementing light when the camera equipment shoots.
As a still further scheme of the invention: the camera equipment is internally provided with a classification control assembly, each classification control assembly is responsible for independent control of different types of camera equipment, on the road surface forced to change lanes, the classification control assembly and a control-up cooperation control violation camera are utilized to close, the speed measurement camera is guaranteed to normally work simultaneously, a speed-measuring driver is captured in a directional mode, the security camera is guaranteed to normally work under many conditions, the traffic police can handle accidents by means of monitoring information after accidents occur, and the different types of camera equipment are closed and opened to obtain independent control.
The invention has the beneficial effects that:
1. by arranging the classification control assembly, aiming at different road conditions, the classification control assembly connected to the camera equipment is used for controlling respectively, on a road surface which is forcibly redirected, the classification control assembly and a controlled violation camera can be used for controlling to close, and meanwhile, the speed measurement camera is ensured to work normally, so that a person who drives in an overspeed way can be captured in a directional manner, the security camera is required to work normally under many conditions, the traffic is convenient to process accidents by means of monitoring information after the accidents happen, the closing and opening of the camera equipment of different types are controlled independently, and the police can maintain the road order flexibly;
2. by arranging the camera equipment, the sound box and the audio output equipment, if special reasons for reconstruction and temporary control of a road occur, a worker inputs and issues a notice from a microphone in the background input unit, the audio notice controls an audio input module of the background to be transmitted to an audio output module on the sound box equipment, and then a detour notice is played circularly through the sound box arranged on the camera equipment to remind a driver of detouring;
3. through setting up wireless communication unit and backstage display module, the road camera of every day all can carry out a lot of shootings, and is relatively difficult to the management of camera equipment, and this method can utilize controller control wireless communication unit to receive the information feedback from the road situation, also can utilize the big screen of display screen that backstage display module connects to show road information simultaneously, and through the integration to road information, the staff can come categorised control road situation through the feedback and the arrangement of specific information.
Drawings
Fig. 1 is a background control block diagram of a network connection-based camera switching method according to the present invention;
fig. 2 is a flowchart of an input unit of a network connection-based camera switching method according to the present invention;
fig. 3 is a structure diagram of an output unit of the camera switching method based on network connection according to the present invention;
FIG. 4 is a diagram of a classification control component of a network connection based camera switching method according to the present invention;
fig. 5 is a flowchart of a method for switching a camera based on network connection according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 5, a camera switching method based on network connection, the camera switching method comprising the steps of:
s1: opening background management communication equipment of the traffic management system, and starting a background monitoring display screen;
s2: allocating different personnel, on one hand, answering feedback information from the communication equipment, and on the other hand, checking the road condition through display screens of all areas;
s3: integrating the received feedback information with the viewed road information;
s4: recording the concrete road condition of each road section, carrying out classified statistics on the reasons of the road condition, and recording and issuing a notice from a microphone in a background input unit by a worker;
s5: if the road is modified due to special reasons and temporarily controlled, a worker controls the camera to be closed through the background controller and the classification control components connected to different types, and the sound box arranged on the camera equipment can also play a bypassing notice in a circulating mode according to the situation;
s6: the system has an automatic reminding function, performs return visit after arrival reminding, and controls to open the camera in time;
s7: and (4) checking each camera on the road section without problems to ensure that the cameras all work normally.
The invention comprises a controller, a background input unit, a background display module, a power supply module, camera equipment, a storage module and a wireless communication unit, wherein the camera is also provided with an equipment output unit.
In the invention, the background display module is used for being connected with the background display screen and is responsible for displaying pictures shot by the camera equipment.
The background input unit comprises a microphone device, an audio acquisition module and an audio input module and is used for inputting audio information such as announcements issued by background workers.
In the invention, the equipment output unit comprises an audio input module and a flash module.
In the invention, the audio output module is connected with a sound box device, and the sound box device is provided with an audio receiving module.
The audio receiving module: the voice box equipment is used for receiving the audio information input by the control background and releasing the information transmitted by the audio input module by the voice box equipment as the information of the audio announcement.
In the invention, the flash module is connected with an LED light supplement lamp source.
A flash module: the camera is used for shooting multiple times of shooting of the license plate number of the violation vehicle.
LED fill light source: the light supplementing device is used for supplementing light when the camera equipment shoots.
In the invention, the camera equipment is internally provided with the classification control assemblies, and each classification control assembly is responsible for independent control of different types of camera equipment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. A camera switching method based on network connection is characterized by comprising the following steps:
s1: opening background management communication equipment of the traffic management system, and starting a background monitoring display screen;
s2: allocating different personnel, on one hand, answering feedback information from the communication equipment, and on the other hand, checking the road condition through display screens of all areas;
s3: integrating the received feedback information with the viewed road information;
s4: recording the concrete road condition of each road section, carrying out classified statistics on the reasons of the road condition, and recording and issuing a notice from a microphone in a background input unit by a worker;
s5: if the road is modified due to special reasons and temporarily controlled, a worker controls the camera to be closed through the background controller and the classification control components connected to different types, and the sound box arranged on the camera equipment can also play a bypassing notice in a circulating mode according to the situation;
s6: the system has an automatic reminding function, performs return visit after arrival reminding, and controls to open the camera in time;
s7: and (4) checking each camera on the road section without problems to ensure that the cameras all work normally.
2. The camera switching method based on network connection according to claim 1, comprising a controller, a background input unit, a background display module, a power module, a camera device, a storage module, a wireless communication unit, and a device output unit further disposed on the camera.
3. The camera switching method based on network connection according to claim 1, wherein the background display module is used for being connected with a background display screen and is responsible for displaying pictures shot by the camera device.
4. The camera switching method based on network connection of claim 1, wherein the background input unit comprises a microphone device, an audio acquisition module and an audio input module, and is used for inputting audio information such as announcements issued by background staff.
5. The method of claim 1, wherein the device output unit comprises an audio input module and a flash module.
6. The camera switching method based on network connection according to claim 1, wherein a speaker device is connected to the audio output module, and an audio receiving module is provided on the speaker device.
The audio receiving module: the voice box equipment is used for receiving the audio information input by the control background and releasing the information transmitted by the audio input module by the voice box equipment as the information of the audio announcement.
7. The camera switching method based on network connection of claim 1, wherein an LED fill-in light source is connected to the flash module.
A flash module: the camera is used for shooting multiple times of shooting of the license plate number of the violation vehicle.
LED fill light source: the light supplementing device is used for supplementing light when the camera equipment shoots.
8. The method for switching on and off the camera based on the network connection as claimed in claim 1, wherein a classification control component is arranged in the camera device, and each classification control component is responsible for independent control of different types of camera devices.
CN202110438770.4A 2021-04-21 2021-04-21 Camera switching method based on network connection Pending CN113345219A (en)

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Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2819349Y (en) * 2005-08-03 2006-09-20 关亮 Traffic monitoring system
CN2896399Y (en) * 2004-07-16 2007-05-02 深圳市中盟科技有限公司 Electronic police device for monitoring running red-light
TW200839664A (en) * 2007-03-30 2008-10-01 Ind Tech Res Inst System and method for intelligent traffic control using wireless sensor and actuator networks
CN102034357A (en) * 2010-12-01 2011-04-27 北京握奇数据***有限公司 Vehicle monitoring device as well as device, system and method for detecting regulation-violating vehicles
CN202472946U (en) * 2012-03-22 2012-10-03 温世宏 Traffic unlawful act monitoring device and monitoring vehicle
CN203086517U (en) * 2013-03-20 2013-07-24 电子科技大学 Intelligent transportation communication system based on wireless MESH network
CN103366561A (en) * 2012-04-10 2013-10-23 三委实业股份有限公司 Automatic detecting apparatus and automatic detecting method for recording of stop arm rule violation cases
CN104282152A (en) * 2014-10-28 2015-01-14 合肥指南针电子科技有限责任公司 Red light running snapping system resisting lightning interference
CN204706192U (en) * 2015-06-04 2015-10-14 石立公 Vehicle electronics policing system
CN105913667A (en) * 2016-05-25 2016-08-31 成都联众智科技有限公司 Intelligent vehicle violation monitoring system
CN206312365U (en) * 2016-08-30 2017-07-07 陕西正成电子科技有限公司 Intelligent superelevation ultra-wide detector
CN207466690U (en) * 2017-11-15 2018-06-08 淄博矿业集团有限责任公司济宁北矿区铁路运销处 Ultra-wide level crossing intelligent early-warning and tele-control system
CN108765992A (en) * 2018-06-22 2018-11-06 核工业西南勘察设计研究院有限公司 A kind of bridge intelligence water conservancy diversion traffic system and bridge intelligence method of river diversion

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2896399Y (en) * 2004-07-16 2007-05-02 深圳市中盟科技有限公司 Electronic police device for monitoring running red-light
CN2819349Y (en) * 2005-08-03 2006-09-20 关亮 Traffic monitoring system
TW200839664A (en) * 2007-03-30 2008-10-01 Ind Tech Res Inst System and method for intelligent traffic control using wireless sensor and actuator networks
CN102034357A (en) * 2010-12-01 2011-04-27 北京握奇数据***有限公司 Vehicle monitoring device as well as device, system and method for detecting regulation-violating vehicles
CN202472946U (en) * 2012-03-22 2012-10-03 温世宏 Traffic unlawful act monitoring device and monitoring vehicle
CN103366561A (en) * 2012-04-10 2013-10-23 三委实业股份有限公司 Automatic detecting apparatus and automatic detecting method for recording of stop arm rule violation cases
CN203086517U (en) * 2013-03-20 2013-07-24 电子科技大学 Intelligent transportation communication system based on wireless MESH network
CN104282152A (en) * 2014-10-28 2015-01-14 合肥指南针电子科技有限责任公司 Red light running snapping system resisting lightning interference
CN204706192U (en) * 2015-06-04 2015-10-14 石立公 Vehicle electronics policing system
CN105913667A (en) * 2016-05-25 2016-08-31 成都联众智科技有限公司 Intelligent vehicle violation monitoring system
CN206312365U (en) * 2016-08-30 2017-07-07 陕西正成电子科技有限公司 Intelligent superelevation ultra-wide detector
CN207466690U (en) * 2017-11-15 2018-06-08 淄博矿业集团有限责任公司济宁北矿区铁路运销处 Ultra-wide level crossing intelligent early-warning and tele-control system
CN108765992A (en) * 2018-06-22 2018-11-06 核工业西南勘察设计研究院有限公司 A kind of bridge intelligence water conservancy diversion traffic system and bridge intelligence method of river diversion

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
夏合琴: "最大亮点:化繁为简一目了然", 《呼和浩特日报》 *

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Application publication date: 20210903