CN108674311B - Beidou-based passenger car monitoring system and method - Google Patents
Beidou-based passenger car monitoring system and method Download PDFInfo
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- CN108674311B CN108674311B CN201810489263.1A CN201810489263A CN108674311B CN 108674311 B CN108674311 B CN 108674311B CN 201810489263 A CN201810489263 A CN 201810489263A CN 108674311 B CN108674311 B CN 108674311B
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- 238000004891 communication Methods 0.000 claims description 11
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- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 4
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- 230000007958 sleep Effects 0.000 description 2
- 238000001931 thermography Methods 0.000 description 2
- 206010003497 Asphyxia Diseases 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention provides a Beidou-based passenger car monitoring system and method, which can effectively prevent passengers from being detained after a passenger car arrives at a terminal, and comprises a pressure sensor and an infrared thermal imager, wherein the pressure sensor is used for detecting information of people or articles on each seat; the control terminal is used for receiving, processing and storing the pressure signals and the infrared signals detected by the pressure sensor and the infrared thermal imager and sending out instructions; the door lock control system is used for receiving the instruction sent by the control terminal and controlling the closing of the vehicle door; the Beidou positioning system is used for positioning the passenger car in real time, receiving the place information input on the control panel, generating route information and sending the route information to the display reminding device; the display reminding device is used for receiving the route information sent by the Beidou positioning system, displaying the route information on a display screen, receiving the instruction sent by the control terminal and sending an alarm, and is internally provided with a display module and an alarm.
Description
Technical Field
The invention relates to the field of vehicle monitoring systems, in particular to a Beidou-based passenger car monitoring system and method.
Background
Compared with the existing cars commonly used by individuals and families, the passenger car has larger space, larger carrying capacity and is taken as the preferred vehicle in long-distance transportation and group activities, such as group activities of tourist groups. Particularly, the school bus is used as a school bus in most kindergartens and primary and secondary schools at home at present. However, there are fixed travel routes with respect to trains and airplanes, and the transportation route of passenger cars is not fixed, so that it is difficult to effectively remotely monitor it. Especially, the frequent occurrence of school bus events in recent years causes social concerns about the safety and supervision of school buses.
Chinese patent CN104859448A discloses a passenger car overload monitoring system and a monitoring method thereof, including at least one people counting unit corresponding to a car door, where the people counting unit includes an image acquisition unit and a light spot sensor that sends a first detection signal when a passenger enters the car door, the system further includes an alarm unit and a central processing unit, and the central processing unit is used to trigger the corresponding image acquisition unit to perform image acquisition according to the first monitoring signal, and then identify the passenger getting on or off the car according to the image data returned by the image acquisition unit and count in real time to obtain a total number of people in the car, and if the total number of people in the first car is greater than the approved passenger amount, the central processing unit controls the alarm unit to alarm and/or sends an instruction to an electronic car control system of the passenger car to limit the start of the passenger car.
However, the monitoring system of the above patent can only identify and monitor the faces of passengers getting on and off the bus, and when a passenger sleeps on a seat and does not get on or off the bus, the face identification system at the door opening cannot detect the situation, even the final driver stops the bus at the end point and stops the bus to close the bus, and the passenger who sleeps on the bus still does not get off the bus, or even an accident happens.
Disclosure of Invention
The invention aims to provide a Beidou-based passenger car monitoring system, which can effectively prevent passengers still sleeping or staying in a car for other reasons after a passenger car arrives at a terminal to stop and close a car door, so as to prevent accidents.
The invention further aims to provide a monitoring method by utilizing the Beidou based passenger car monitoring system.
In order to achieve the purpose, the specific technical scheme of the invention is as follows:
the utility model provides a passenger train monitored control system based on big dipper which characterized in that includes:
a pressure sensor for detecting whether a passenger or an article is present in each seat;
the infrared thermal imager is used for detecting the condition of personnel in the carriage of the passenger car;
the control terminal is used for receiving, processing, storing and sending instructions to the pressure signals and the infrared signals detected by the pressure sensor and the infrared thermal imager, and is provided with an information input control panel on which an information confirmation key is arranged;
the door lock control system is used for receiving the instruction sent by the control terminal and controlling the closing of the vehicle door;
the Beidou positioning system is used for positioning the passenger car in real time, receiving the place information input on the control panel, generating route information and sending the route information to the display reminding device;
the display reminding device is used for receiving the route information sent by the Beidou positioning system, displaying the route information on a display screen, receiving the instruction sent by the control terminal and sending an alarm, and a display module is arranged in the display reminding device and provided with an alarm;
the pressure sensor, the infrared thermal imager, the door lock control system and the display reminding device are all in communication connection with the control terminal, and the door lock control system is in communication connection with the display reminding device;
the control terminal is internally provided with a data receiving module, a data processing module and a data storage module, wherein the data receiving module is used for receiving the pressure electric signals and the infrared electric signals detected by the pressure sensor and the infrared thermal imager and converting the pressure electric signals and the infrared electric signals into data information, the data processing module is used for carrying out statistical analysis processing on the data information and sending an instruction, and the data storage module is used for storing the data information and the processing result of the data processing module.
Further, the air conditioner is provided with a fan,
the image detection equipment comprises a camera module, a distance measurement module, a phase difference detection module and a regulation and control module;
the camera module is used for acquiring image information of a target object in front of the image detection equipment;
the distance measuring module is provided with a light source, and the distance between the image detection device and the target object is detected according to the position of the light source and the position of a light spot on the target object;
the phase difference detection module is used for detecting an included angle between a linear light beam of the light source and a light beam at a connecting line position between the light source and the light spot on the target object;
the regulation and control module adjusts the shooting position of the image detection device and the shooting angle of the camera module according to the distance and the included angle.
Further, when the included angle is smaller than or equal to 30 degrees, the camera module keeps the original position for shooting;
when the included angle is larger than 30 degrees and smaller than or equal to 45 degrees, the adjusting and controlling module adjusts the shooting angle of a camera on the camera module;
when the included angle is larger than 45 degrees, the regulation and control module controls the camera module to stop shooting, and regulates and controls the shooting position of the image detection equipment.
Furthermore, the image detection device comprises a base and a shooting part, wherein the base is fixed on the vehicle body, a slide rail is arranged on the surface of the base, and a bulge which is inserted into the slide rail and slides back and forth along the slide rail is arranged at the bottom end of the shooting part;
an embedded chip is arranged in the adjusting part and connected with the regulating module to control the protrusion to move along the sliding rail.
Furthermore, the door lock control system comprises an opening and closing sensor which is arranged on the vehicle door and used for receiving confirmation information sent by the control terminal and starting the locking key, and a warning lamp used for judging whether the opening and closing sensor receives the confirmation information is arranged on the opening and closing sensor.
Further, the door lock control system comprises a mechanical lock and an electronic lock which are arranged on the vehicle body;
the mechanical lock comprises a locking mechanism, an unlocking mechanism and a control mechanism, wherein the control mechanism controls the locking mechanism to be started or the unlocking mechanism to be started;
the electronic lock comprises a wireless communication unit and a main control unit, wherein the wireless communication unit receives an instruction sent by the control terminal and transmits the instruction to the main control unit; the main control unit receives the instruction and controls the opening and closing of the lock;
when the control terminal instructs the electronic lock to be in a locking state, the control mechanism can mechanically control to start the locking mechanism; when the control terminal instructs the electronic lock to be in an unlocking state, the control mechanism can mechanically control to start the unlocking mechanism.
The invention provides a method of a coach monitoring system based on Beidou, which comprises the following steps:
a. starting the passenger car, and simultaneously starting the pressure sensor, the infrared thermal imager, the door lock control system, the display reminding device, the control terminal and the Beidou positioning system;
b. the control terminal receives pressure signals and infrared signals detected by the pressure sensor and the infrared thermal imager, converts the pressure signals and the infrared signals into data information for statistical analysis, and displays an analysis result on a display screen of the display reminding device;
c. the Beidou positioning system is used for positioning the passenger car in real time, a driver inputs starting point information and end point information of the driving route after the passenger car is started, when the passenger car reaches the end point, the driver gets off and closes the car door, final confirmation is carried out on the information in the car, and when no passengers or articles are detained in the car, the car door is closed by getting off;
d. when the driver does not finally confirm the in-vehicle information at the terminal and gets off the vehicle, the door lock control system prevents the vehicle door from being closed and starts the alarm; or when the passenger car reaches the terminal and the driver gets off and closes the car door, and the data information displayed on the display screen is not '0', the door lock control system prevents the car door from being closed, and the alarm is started.
The bus rescue system further comprises a cloud server used for receiving help seeking information sent by the control terminal, when the bus needs to be rescued before reaching a terminal, a driver sends request information to the cloud server through the control terminal, the cloud server receives and processes the request information, and then sends feedback information to the control terminal and displays the feedback information on the display screen.
Furthermore, the door lock control system comprises an opening and closing sensor which is arranged on a vehicle door and used for receiving confirmation information sent by the control terminal and starting a locking key, and a warning lamp used for judging whether the opening and closing sensor receives the confirmation information is arranged on the opening and closing sensor;
when a passenger car arrives at a terminal and a driver closes a car door, whether the driver confirms the in-car information before getting off the car is judged through whether the warning lamp flickers, if the warning lamp flickers, the driver does not confirm, and if the warning lamp does not flick, the driver confirms, the opening and closing sensor starts the locking key, and the car door is closed.
The Beidou-based passenger car monitoring system and method provided by the invention can prevent a driver from flameout and getting off and locking the door after the passenger car arrives at a terminal and stops running, but still have unconscious passengers who are asleep or have illness to cause syncope or other reasons to stay without getting off, and even finally cause the release of accidents of oxygen deficiency asphyxia in the car, and have good guarantee significance for the safety of the social public.
Drawings
FIG. 1 is a block diagram of a monitoring system provided by the present invention;
FIG. 2 is a system diagram of an image detection device in a monitoring system according to the present invention;
FIG. 3 is a system block diagram of an embodiment of a Beidou-based passenger car monitoring system provided by the invention.
Detailed Description
A passenger train monitored control system based on big dipper, as shown in FIG. 1, includes: pressure sensor, infrared thermal imager, control terminal, lock control system, big dipper positioning system and display reminding device.
The information of passengers and articles in the carriage of the passenger car is detected and statistically confirmed through a pressure sensor arranged on each seat and an infrared thermal imager arranged on the roof of the passenger car. When a passenger on one seat leaves the vehicle or takes the articles on the seat, the control terminal can obtain information and display the information on the display screen. The driver can know the implementation situation of passengers in the passenger car at any time. Meanwhile, the coach is positioned in real time through the Beidou positioning system. Because the driving route of the passenger car is not fixed, the driver can firstly confirm the starting point to the end point of the route after each start, and the Beidou positioning system can generate a route map in real time and display the route map on a display screen. When the passenger car reaches the terminal, all passengers get off the car, the driver closes the transmitter, all electronic devices in the car are closed, and the driver gets off the car and closes the car door to leave. Before the driver gets off the vehicle, final confirmation of passenger information and article information in the vehicle is needed through the information confirmation key on the control panel, and when data statistics displayed on the display screen are all '0', the situation that no passengers or articles are left in the vehicle is shown, and the driver can get off the vehicle and close the vehicle door to leave. When the driver does not confirm the final information and directly gets off and closes the vehicle door, the control terminal can instruct the door lock control system to stop the vehicle door from being closed and start the alarm, and at the moment, the driver is required to get on again to confirm the final information. When the final data statistics displayed by the confirmation information is not '0', the alarm is started at the moment, and a driver is required to go to the interior of the bus for detailed investigation so as to prevent detained passengers who do not get off the bus because of sleeping from being locked in the bus.
In order to improve the safety guarantee in the passenger car, when a driver finds that passengers in the car have strange behaviors and cannot check or inquire nearby, clear image shooting can be carried out through the image detection device provided by the embodiment, and the passengers can be checked carefully. As shown in fig. 2, the image detection device specifically includes a camera module, a distance measurement module, a phase difference detection module, and a regulation and control module. The camera module may be a video camera or a still camera, or any other device that can be used for image capturing or video recording, and can be used for acquiring image information of a target object in front of the image detection device. The distance measuring module is preferably a laser distance measuring sensor provided with a light source, and detects the distance between the image detection device and the target object according to the position of the light source and the light spot hitting the target object. And the phase difference detection module is used for detecting an included angle between the straight line light source and a connecting line between the light source and the light spot on the target object. When the included angle between the connecting lines between the light source and the light spots on the target object is less than or equal to 30 degrees, the camera module keeps the original position for shooting, and a completely clear image can be shot at the moment; when the included angle between the connecting lines between the light source and the light spot on the target object is more than 30 degrees and less than or equal to 45 degrees, the regulating and controlling module regulates the camera angle piece on the camera module, so that the camera can shoot when the angle reaches 30 degrees; when the included angle is larger than 45 degrees, the regulation and control module controls the camera module to stop shooting, and the image detection equipment is repositioned. Because when the contained angle is greater than 45, shoot the image and be the side almost and shoot, can't clear away the positive full view who sees the shooting object the very first time, also be difficult to judge the concrete characteristic of shooting object, so need adjust and control the shooting angle of module according to the contained angle adjustment camera module.
The above-described image detection device is adapted to detect whether a passenger or an article is present in each seat or to detect the condition of a person in the passenger compartment. The fact proves that the structure and the method effectively assist the driver to know the condition inside the carriage clearly in time, and ensure smooth driving and running and safety.
As shown in fig. 3, the control terminal is used for receiving, processing, storing and sending instructions to the pressure signal and the infrared signal detected by the pressure sensor and the infrared thermal imager, and is provided with an information input control panel on which an information confirmation key is arranged; the door closing control system is used for receiving an instruction sent by the control terminal and controlling the door to be closed; the bus route reminding device is used for positioning a bus in real time, receiving the place information input on the control panel, generating route information and sending the route information to the display reminding device.
The display reminding device is used for receiving the route information sent by the Beidou positioning system, displaying the route information on a display screen, receiving the instruction sent by the control terminal and sending an alarm, and a display module is arranged in the display reminding device; the pressure sensor is arranged at the bottom of a passenger car seat, the infrared thermal imager is arranged on the top wall in the passenger car, the door lock control system is arranged on a door lock, and the control terminal and the Beidou positioning system are arranged in a cab; the pressure sensor, the infrared thermal imager, the door lock control system and the display reminding device are all in communication connection with the control terminal, and the door lock control system is in communication connection with the display reminding device;
the control terminal is internally provided with a data receiving module, a data processing module and a data storage module, wherein the data receiving module is used for receiving the pressure electric signals and the infrared electric signals detected by the pressure sensor and the infrared thermal imager and converting the pressure electric signals and the infrared electric signals into data information, the data processing module is used for carrying out statistical analysis processing on the data information and sending instructions, and the data storage module is used for storing the data information and the processing results of the data processing module.
The pressure sensor and the thermal infrared imager are both connected with a control terminal arranged in the cab. After a passenger sits on the seat, the pressure sensor on the seat transmits a detected pressure signal to the control terminal, and meanwhile, the infrared thermal imager can perform thermal imaging display on a target object at each corner in the carriage and send the detection signal to the control terminal.
The passenger car is characterized in that a pressure sensor is arranged below each seat of the passenger car, the pressure sensors can be arranged below a seat cushion layer, a foot pedal can be arranged on a seat backrest or on the ground in front of the seat, and the foot pedal is arranged on the pedal.
The top of the carriage is provided with an infrared thermal imager, the infrared thermal imager receives the infrared radiation energy distribution pattern of the detected object by using an infrared detector and an optical imaging objective lens and reflects the infrared radiation energy distribution pattern on a photosensitive element of the infrared detector, so that an infrared thermal image is obtained, and the thermal image corresponds to the thermal distribution field on the surface of the object. Traditionally, thermal infrared imagers have been used to convert the invisible infrared energy emitted by an object into a visible thermal image. The different colors on the top of the thermal image represent the different temperatures of the object being measured. Because the passengers getting on the bus or the large luggage objects have certain heat, the information of the passengers getting on the bus can be accurately detected by the thermal infrared imager.
In order to effectively monitor the information of passengers getting on or off the vehicle, an infrared thermal imager can be independently arranged above the vehicle door.
When the heat is generated, the camera can be used for shooting images so as to upload image data for statistics. Because passenger train inside seat is more, and the crack is more, leads to having some corners and be difficult to accurately shoot by an infrared thermal imaging system that sets up on the ceiling, can set up one or more camera in the seat below this moment, and then guarantee to carry out clear comprehensive monitoring to every corner in the passenger train.
The control terminal is internally provided with a data receiving module, a data processing module and a data storage module, wherein the data receiving module is used for receiving the pressure electric signals and the infrared electric signals detected by the pressure sensor and the infrared thermal imager and converting the pressure electric signals and the infrared electric signals into data information, the data processing module is used for carrying out statistical analysis processing on the data information and sending instructions, and the data storage module is used for storing the data information and the processing results of the data processing module.
The control terminal is arranged in a driver cab and is usually arranged in front of a steering wheel, so that a driver can conveniently operate the control terminal on a control panel. The control terminal receives the pressure signal transmitted by the pressure sensor and the infrared detection signal sent by the thermal infrared imager, stores the data information, processes the information and sends an instruction.
The Beidou positioning system is used for positioning the passenger car in real time. After the passenger car arrives at the terminal, the display reminding device can remind a driver of the passenger car to arrive at the terminal, and before the passenger car arrives at the terminal and stops the car, the driver needs to confirm whether passengers who do not get off exist in the carriage or on a seat of the carriage through a confirmation key on a control terminal panel. If the number of passengers is larger than the preset number, the data processing module in the control terminal sends reminding information, the control panel displays the number of passengers who do not get off the bus, and the alarm module controls the alarm bell to start. And if all passengers are confirmed to get off the bus, the number of the passengers displayed on the control panel is 0, at the moment, a driver gets off the bus and closes the bus door, and a door lock control system of the passenger car receives an instruction sent by the control terminal and controls the door lock to be closed.
When the passenger car reaches the terminal, the driver prepares to shut down and get off the car, if forget to confirm through control panel, when closing the door, the door can't be closed, and door lock system then can start the police dispatch newspaper simultaneously, reminds the driver to confirm to close the door after detecting again. The detection is confirmed to be completed, passengers are not detained in the vehicle, the control panel receives confirmation information, the vehicle door lock control system is forbidden, and the vehicle door is closed.
In order to further improve the early warning safety, the control terminal or the display reminding device and other equipment in the vehicle are prevented from failing to be checked in time and further failing to carry out information confirmation reminding when faults occur, and meanwhile, the door lock control system cannot receive confirmation information and can directly close the vehicle door and cannot control and remind a driver. At this time, the door lock control system may include an open/close sensor provided on the door for receiving the confirmation information sent from the control terminal and activating the locking key, and a warning lamp for determining whether the open/close sensor receives the confirmation information. When the passenger car arrives at the terminal, a driver gets off and closes the car door, whether the driver confirms the in-car information before getting off is judged through the fact that whether the warning lamp flickers or not. If the warning lamp flickers, the fact that the driver does not confirm the in-vehicle information before getting off the vehicle is indicated, the driver is reminded of being required to get on the vehicle again to carry out the in-vehicle information safety detection, the detection is completed, after the information is confirmed, the opening and closing sensor receives the confirmation information to start the locking key, the warning lamp stops flickering, and the vehicle door is closed. If the warning lamp does not flicker after the vehicle door is closed, the vehicle interior information is confirmed, the locking key is directly started by the opening and closing sensor, and the vehicle door is closed.
The door lock control system of the invention can comprise a mechanical lock 1 and an electronic lock which are arranged on a vehicle body;
the mechanical lock can be realized by adopting a mechanical lock which is commercially available at present or by designing the mechanical lock by the prior art when the mechanical lock is actually processed.
The bus vehicle monitoring system disclosed by the invention further comprises a cloud server, wherein a cloud data receiving module, a cloud data processing module and a cloud data storage module are arranged in the cloud server. When an emergency occurs on a passenger car in the middle of driving, such as a fault of the passenger car, or when a passenger on the passenger car needs assistance in case of similar events such as emergency and illness, the accurate positioning place detected by the Beidou positioning system is sent to the cloud server through the control terminal, the cloud server searches the most convenient rescue place in the current location range of the passenger car after confirming the information, and sends feedback information to the control terminal, and meanwhile, the rescue place is informed to timely rush to the location of the passenger car for assistance.
The cloud server can also receive information statistics after information confirmation of a driver every time, the information confirmation in the vehicle is firstly carried out before the driver gets off the vehicle and closes the vehicle door when the driver arrives at the terminal, and after the information confirmation is carried out on the control panel, the cloud server can receive the confirmation information and learn that the driver has carried out the information confirmation. And if the cloud server does not receive the confirmation information, the driver is remotely reminded.
Certainly, in order to improve the safety of the passenger car, a fire alarm early warning device can be arranged in the passenger car and is in communication connection with the control terminal, and when the control terminal receives fire alarm information, the alarm is directly started to remind.
Or a buffer air cushion can be arranged on each seat to prevent the passenger car from excessively bumping and even turning over so as to carry out safety prevention.
The invention provides a method of a coach monitoring system based on Beidou, which comprises the following steps:
a. starting the passenger car, and simultaneously starting the pressure sensor, the infrared thermal imager, the door lock control system, the display reminding device, the control terminal and the Beidou positioning system;
b. the control terminal receives pressure signals and infrared signals detected by the pressure sensor and the infrared thermal imager, converts the pressure signals and the infrared signals into data information for statistical analysis, and displays an analysis result on a display screen of the display reminding device;
c. the Beidou positioning system is used for positioning the passenger car in real time, a driver inputs starting point information and end point information of the driving route after the passenger car is started, when the passenger car reaches the end point, the driver gets off the car and closes the car door, final confirmation is carried out on the information in the car, and when no passengers or articles are detained in the car, the car door is closed by getting off the car;
d. when the driver does not finally confirm the in-vehicle information at the terminal and gets off the vehicle, the door lock control system prevents the vehicle door from being closed and starts the alarm; or when the passenger car reaches the terminal, the driver gets off and closes the car door, and the data information displayed on the display screen is not '0', the door lock control system prevents the car door from closing, and the alarm is started.
Although the embodiments of the present invention have been described above, the embodiments are only given as examples and are not intended to limit the scope of the present invention. These new embodiments can be implemented in other various ways, and various omissions, substitutions, and changes can be made without departing from the spirit of the present invention. These embodiments and modifications thereof are included in the scope and gist of the present invention, and are also included in the invention described in the claims and the equivalent scope thereof.
Claims (8)
1. The utility model provides a passenger train monitored control system based on big dipper which characterized in that includes:
a sensing device for detecting whether a passenger or an article is present in each seat;
the image detection equipment is used for detecting the condition of personnel in the carriage of the passenger car;
the control terminal is used for receiving, processing, storing and sending instructions to the induction signals and the image signals detected by the induction equipment and the image detection equipment, and is provided with an information input control panel on which an in-vehicle information confirmation key is arranged;
the door lock control system is used for receiving the instruction sent by the control terminal and controlling the closing of the vehicle door;
the Beidou positioning system is used for positioning the passenger car in real time, receiving the place information input on the control panel, generating route information and sending the route information to the display reminding device;
the display reminding device is used for receiving the route information sent by the Beidou positioning system, displaying the route information on a display screen, receiving the instruction sent by the control terminal and sending an alarm, and a display module is arranged in the display reminding device and provided with an alarm;
the induction equipment, the image detection equipment, the door lock control system and the display reminding device are all in communication connection with the control terminal, and the door lock control system is in communication connection with the display reminding device;
the control terminal is internally provided with a data receiving module, a data processing module and a data storage module, wherein the data receiving module is used for receiving induction electric signals and image signals detected by the induction equipment and the image detection equipment and converting the induction electric signals and the image signals into data information;
the image detection equipment comprises a camera module, a distance measurement module, a phase difference detection module and a regulation and control module;
the camera module is used for acquiring image information of a target object in front of the image detection equipment;
the distance measuring module is provided with a light source, and the distance between the image detection device and the target object is detected according to the position of the light source and the position of a light spot on the target object;
the phase difference detection module is used for detecting an included angle between a linear light beam of the light source and a light beam at a connecting line position between the light source and the light spot on the target object;
the regulation and control module adjusts the shooting position of the image detection device and the shooting angle of the camera module according to the distance and the included angle.
2. The Beidou based passenger car monitoring system according to claim 1,
when the included angle is less than or equal to 30 degrees, the camera module keeps the original position for shooting;
when the included angle is larger than 30 degrees and smaller than or equal to 45 degrees, the adjusting and controlling module adjusts the shooting angle of a camera on the camera module;
when the included angle is larger than 45 degrees, the regulation and control module controls the camera module to stop shooting, and regulates and controls the shooting position of the image detection equipment.
3. The Beidou-based passenger car monitoring system according to claim 1, wherein the image detection device comprises a base and a shooting part, the base is fixed on a car body, a sliding rail is arranged on the surface of the base, and a protrusion which is inserted into the sliding rail and slides back and forth along the sliding rail is arranged at the bottom end of the shooting part;
the passenger car monitoring system comprises an adjusting portion, an embedded chip is arranged inside the adjusting portion, and the chip is connected with the adjusting and controlling module and used for controlling the protrusion to move along the sliding rail.
4. The Beidou-based passenger car monitoring system according to claim 1, wherein the door lock control system comprises an opening and closing sensor arranged on a car door and used for receiving confirmation information sent by the control terminal and starting a locking key, and a warning lamp used for judging whether the opening and closing sensor receives the confirmation information is arranged on the opening and closing sensor.
5. The Beidou based passenger car monitoring system according to claim 1, wherein the door lock control system comprises a mechanical lock and an electronic lock arranged on a car body;
the mechanical lock comprises a locking mechanism, an unlocking mechanism and a control mechanism, wherein the control mechanism controls the locking mechanism to be started or the unlocking mechanism to be started;
the electronic lock comprises a wireless communication unit and a main control unit, wherein the wireless communication unit receives an instruction sent by the control terminal and transmits the instruction to the main control unit; the main control unit receives the instruction and controls the opening and closing of the electronic lock;
when the control terminal instructs the electronic lock to be in an unlocked state, the control mechanism starts the locking mechanism in a mechanical control mode, and when the control terminal instructs the electronic lock to be in an unlocked state, the control mechanism starts the unlocking mechanism in a mechanical control mode.
6. A method of monitoring using the beidou-based passenger car monitoring system of claim 1, comprising the steps of:
a. starting the passenger car, and simultaneously starting the pressure sensor, the infrared thermal imager, the door lock control system, the display reminding device, the control terminal and the Beidou positioning system;
b. the control terminal receives pressure signals and infrared signals detected by the pressure sensor and the infrared thermal imager, converts the pressure signals and the infrared signals into data information for statistical analysis, and displays an analysis result on a display screen of the display reminding device;
c. the Beidou positioning system is used for positioning the passenger car in real time, a driver inputs starting point information and end point information of the driving route after the passenger car is started, when the passenger car reaches the end point, the driver gets off and closes the car door, final confirmation is carried out on the information in the car, and when no passengers or articles are detained in the car, the car door is closed by getting off;
d. when the driver does not finally confirm the in-vehicle information at the terminal and gets off the vehicle, the door lock control system prevents the vehicle door from being closed and starts the alarm; or when the passenger car reaches the terminal and the driver gets off and closes the car door, and the data information displayed on the display screen is not '0', the door lock control system prevents the car door from being closed, and the alarm is started.
7. The method of claim 6, further comprising a cloud server for receiving help seeking information sent by the control terminal, when the passenger car needs to be rescued before arriving at a terminal, a driver sends request information to the cloud server through the control terminal, the cloud server receives and processes the request information, and then sends feedback information to the control terminal and displays the feedback information on the display screen.
8. The method according to claim 6, wherein the door lock control system comprises an opening and closing sensor arranged on a vehicle door and used for receiving confirmation information sent by the control terminal and starting a locking key, and a warning lamp used for judging whether the opening and closing sensor receives the confirmation information is arranged on the opening and closing sensor;
when a passenger car arrives at a terminal, a driver gets off and closes the car door, whether the driver confirms the in-car information before getting off is judged through whether the warning lamp flickers, if the driver does not flicker, the driver confirms the in-car information, the opening and closing sensor starts the locking key, and the car door is closed; if the warning lamp flickers, the confirmation is not carried out, the driver carries out the information confirmation again, the warning lamp stops flickering, and the vehicle door is closed.
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| CN202063103U (en) * | 2011-04-08 | 2011-12-07 | 宋学恭 | Energy-saving environment-friendly safe public transportation vehicle |
| CN204547917U (en) * | 2015-04-15 | 2015-08-12 | 郭帅 | The overcrowding detection alarm system of a kind of car |
| CN205273369U (en) * | 2016-01-16 | 2016-06-01 | 六盘水师范学院 | Bus occupy -place reminding device |
| CN205890700U (en) * | 2016-08-05 | 2017-01-18 | 郑州宇通客车股份有限公司 | Prevent that passenger from omitting tour device and passenger train in car |
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