Previously, most car mounted digital hard disk recorders on the market used springs as shock-absorbing materials. However, springs can provide some shock-absorbing protection within their elastic range. In severe vibration situations, when the spring is compressed beyond its elastic range, it cannot provide shock-absorbing protection; In addition, springs can only have shock-absorbing effects in the vertical direction. In fact, the vibration direction of on-board digital hard disk recorders is irregular in driving conditions (especially in harsh road conditions). These factors limit the shock-absorbing effect of springs. Now, the shock-absorbing system has been greatly improved, especially the newly developed SD card on-board recorders. This article provides a detailed introduction to our company's onboard monitoring system, which will be elaborated below.
Market situation analysis
With the vigorous development of public transportation, the safety and management of public transportation operators in the operation process are increasingly valued. In recent years, in addition to continuous transportation disputes, cases of theft and robbery on buses have occurred frequently in various parts of the country, which have been troubling bus management personnel and public safety departments, seriously disrupting social stability. According to media reports, the most common incidents on buses are theft and robbery. Although the police have taken a series of measures such as a thousand person anti theft operation, the public security situation on buses is still relatively severe. The frequent occurrence of cases on buses often causes lingering palpitations among citizens traveling by bus. Citizens take public transportation every day, and the safety of bus routes has become a barometer for citizens to measure the quality of public security.
Car video recorder, car camera, car usb camera, car display, usb camera
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3、 Project specific requirements:
The total length of the vehicle is 10 meters, and it is required to be able to accurately record the real-time situation of passengers on board; A total of 4 cameras are designed, with 1 camera installed at the front and 2 cameras reserved at the rear. The onboard monitoring system mainly includes equipment such as cameras, pickups, and onboard digital video recorders.
The specific functional requirements are as follows:
1. Permission management: Set permissions so that drivers and passengers cannot switch on or off recording or delete recording materials;
2. Video recording requirements: Store video data for 3 days (10 hours/day);
3. Time retrieval function: Management personnel can search for relevant video materials over time;
4. USB port backup function: Important video data can be backed up to other hard drives or CDs, and there should be a time prompt on the backed up video;
5. Recording and alarm: The recording method can be changed as needed, such as continuous recording or alarm recording;
6. Screen requirements: Clear video quality is required, and playback can clearly distinguish the characteristics and behavior of the perpetrator, which can be used as evidence in court;
7. It is required to have a power-saving function and not allow the vehicle to lose power, which will affect the next day's start.
4、 Hardware solution (car mounted hard disk recorder and camera) FTH-DVR-D
SD card onboard video recorder data: Using SD card as the storage medium, it integrates functions such as video recording, video network transmission, intelligent scheduling, driving recorder, and video passenger flow statistics. Supports wide voltage input and can operate normally within the range of+8V to+36V; Supports 12V/5V power output and can supply power to peripherals; Adopting a special file system that can effectively encrypt; Supports dual SD card recording, 1-way or 4-way H.264 high compression rate encoding, effectively saving storage space; Dual code streaming network transmission technology allows for remote monitoring of real-time live footage while recording locally. Can be equipped with built-in GPS, GPRS/CDMA/EDGE modules; Support ITS automatic bus stop announcement, LED text screen, expandable video passenger flow statistics module, etc;
The SD series car mounted hard disk recorder is a car mounted SD card recorder designed specifically for various vehicle usage environments and special functional requirements, using industrial grade standards. Compact in size, easy to install, supports a large capacity 32GB SD card, and video data can be directly read on a PC.
Four cameras are installed at the front, rear, front, and rear doors of the car, all of which are infrared color cameras, ensuring clear visibility of the scene even in the absence of any light at night.
Front camera: installed above the driver's seat, mainly monitoring the driver's driving behavior and monitoring the road conditions in front of the vehicle. It can provide traffic information basis in case of a traffic accident.
Front door camera: can clearly monitor the appearance of passengers on board, preventing theft;
Rear door camera: This camera is installed on the top of the rear door of the carriage, with a monitoring range of the rear and rear doors of the carriage. It can monitor and record the situation of the rear door of the carriage, prevent accidents involving passengers and prevent criminals from committing crimes.
Ticket office camera: installed above the coin box or ticketing personnel, it can monitor the process of passengers depositing coins, swiping cards, or selling tickets to prevent ticket evasion and theft of ticket funds by drivers and passengers.
The pickup is installed between the front door and the rear door, and can record real-time passenger voice information from the front door to the rear door.
5、 Engineering rendering (4-channel with monitor rendering):
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