This standard specifies the requirements, test methods, inspection rules, marking, packaging, installation and operating conditions of the automatic red light running recording system. This standard applies to the production, testing and acceptance of the automatic red light running recording system installed at intersections and sections with signal control. GA/T 496-2004 General Technical Requirements for Automatic Red Light Running Recording System GA/T496-2004 Standard download decompression password: www.bzxz.net

1CS 93. 080. 30
GA/T496—2004
General specifications of automatic detecting and recording system of vehicles for violation of traffic signal2004-06-04 issued
Ministry of Public Security of the People's Republic of China
2004-06-04 implementation
Normative reference documents
Terms and definitions
Applicable conditions
General requirements
5.2 Electrical components
5.3 Function
5.4 Electrical safety
Electromagnetic immunity performance
Adaptability to climate environment
Adaptability to mechanical environment
Test methods
6.1 Appearance inspection
Electrical component inspection
Function test
Electrical safety test
Electromagnetic immunity test
Adaptability to climate environment test
Mechanical environment test
Test ruleswwW.bzxz.Net
7.1 Test classification
7. 2 Type inspection
7.3 Factory inspection
8 Installation and operating conditions
9. Marking, labeling, packaging
9.1 Marking, labeling
9. 2 Inspection certificate
GA/T 496—2004
This standard is proposed and managed by the Technical Committee for Standardization of Road Traffic Management of the Ministry of Public Security, and is drafted by the Traffic Management Science Research Institute of the Ministry of Public Security. The main drafters of this standard are Wu Xiaodong, Li Aimin, Sun Wei, Cai Chen, Yiming, Jiang Liangwei, Zheng Yu, and Zhang Keng. GA/T 496—2004
1 Scope
General technical conditions for automatic red light running recording system GA/T 496—2004
This standard specifies the requirements, test methods, inspection rules, marking, packaging, installation and operating conditions of the automatic red light running recording system. This standard applies to the production, testing and acceptance of red light reading and motion recording systems installed at intersections and sections with signal control. 2 Normative references
The clauses in the following documents become clauses of this standard through reference in this standard. The amendments (excluding errata) to the referenced documents are dated references, and all subsequent editions or revisions thereof are not applicable to this standard. However, parties to agreements based on this standard are encouraged to investigate whether the newer editions of these documents can be used. 10-
GB/T 17626.
For any undated referenced document, its latest version shall apply to this standard.
Product environmental testing
Electronic product environmental testing
Part of the test method
Test A: Low temperature (GB/T 2423.1-
Part: Test method Test B High temperature GB/T2423.1-Basic environmental testing procedures for electronic products Test circuits Electronic product environmental testing
8-2-27:1987)
Environmental testing for electronic products
995,dt IECG8-2-6:1982)
Ranlai Rong
Ca: Steady state damp heat test method (GB/T2423.3-Part 2 Test method
Part 2: Test method
Test and measurement technology
IFC 61000-4-2:1995
GB/T 17626. 4
1998,idt 1EC 61000-4-
Test and measurement technology
Test Ea and guidance: burst (GB/T
Test Fc and guidance: vibration (sinusoidal)
Electrostatic discharge immunity test (CB/17626.2-1998, idtElectrostatic fast transient burst immunity test (GB/T17626.1-Electromagnetic
Immunity test (GB/717626.5-1999, idtTest and measurement technology
Surge (burst
GB/T 17626. 5
1EC 61000-4-5:1995)
GB/T 17626. 11
(GB/T 17626, 11-1999, idt IE3000-4-11:19947
Immunity test for voltage dips, short interruptions and voltage variations GB/T50198 Technical specifications for engineering of civil closed-circuit surveillance television systems GA24.4 Motor vehicle registration information code
Part 4: Motor vehicle type code
Motor vehicle registration information code Part 7: Motor vehicle license plate type code GA 24. 7
GA3 Motor vehicle license plate of the People's Republic of China
GA108.1 Road traffic violation management information code GA108.3 Road traffic violation management information code Part 1: Violation behavior code
Part 3: Violation location code
ISO/1EC154442000 Information technology JPEG2000 Image coding technology 3 Terms and definitions
The following terms and definitions apply to this standard. 3.1
Violation of traffic signal for powered vehicles1
GA/T 496—2004
The act of a motor vehicle crossing the stop line and continuing to drive when the corresponding red light phase is reached. 3.2
Antomatic detecting and recording system for vlolation of Lraffic signalA system that automatically detects and records the red light violations of motor vehicles at intersections and roads controlled by traffic signals. 3.3
Effective recording numberThe number of motor vehicle records in the automatic red light recording system whose basic information such as license plate number, vehicle type, red light signal, stop line, etc. can be clearly identified visually.
Total number of records
recording number
The number of records in the automatic red light running recording system minus the number of motor vehicles whose license plate numbers cannot be identified manually due to the absence of license plates, improper license plate placement, obstruction, defect, dirt, or rain, fog, and smoke. 3. 5
Effective ration of recordingThe percentage of effective recordings to the total number of records. 3.6
Capture rate of red light runningThe percentage of motor vehicles whose red light reading behavior can be confirmed by the system and the number of motor vehicles that have actually run red lights determined by humans within the monitoring range of the automatic red light running recording system. Applicable conditions
The automatic red light running recording system should select the applicable scope according to Table 1. The marking content should include: the maximum number of lanes detected and recorded, the maximum horizontal distance between the stop line and the signal light in the detection direction, etc. Table 1 Applicable conditions of the red light automatic recording system Maximum number of lanes to be detected and recorded
1,2,3,4,5,6,6 lanes and above
Note: The width of a single lane is 3.75.
5 Requirements
5.1 General requirements
5.1.1 Composition
Detection direction Maximum horizontal distance between stop line and signal light 20 m. 30 m, 40 m, 50 m, 60 m. 70 m. 80 m. 90 m, 100 m, 100 m and above The red light running automatic recording system consists of a motor vehicle red light running detection unit, an image acquisition unit and an application software unit. 5.1.2 Appearance
The outer surface of each component should be smooth and flat, without defects such as dents, scratches, cracks, deformation, etc. The surface of the metal charging should have anti-rust and anti-corrosion coatings, and the coatings should not have blistering, cracking, shedding and wear. There should be no rust on the surface of metal parts.
5.2 Electrical components
5.2.1 Power supply
Rated voltage: AC 220 V, 50 Hz,
5.2.2 Electrical protection devices
Over-cut, leakage and short-circuit protection devices should be installed. Lightning protection devices should be installed.
Fast fuses should be used to protect internal circuits. 5.2.3 Grounding terminal
A special protective grounding terminal should be provided, and the grounding terminal should be effectively connected to the earth GA/T 496--2004
The metal parts such as the system chassis, circuit unit, circuit unit fixing bracket, fixing bolts, and the shell of the AC220V voltage component should be connected to the protective grounding terminal and the grounding continuity of each component should be ensured. The grounding wire of the lightning protection device cannot be directly connected to the protective grounding terminal. It should be connected to the earth separately during installation. The grounding busbar should be made of copper wire and should not be connected to the neutral wire of the strong current.
5.2.4 Wire
The wire should have effective protection to ensure that the wire will not contact the parts that are easy to cause damage to the insulation part of the wire. When the wire needs to pass through the metal hole, the metal threading hole should be chamfered, without sharp edges, and the wire should be equipped with a bushing. All wiring should be arranged neatly, fixed with wire clamps, cable sleeves, cable rolls or pipes, the wires in the harness should be braided, and the wiring arrangement should be such that the removal of any wiring assembly will not affect the cables not related to the assembly. 5.3 Function
5.3.1 Red light violation record
When a motor vehicle crosses the stop line during its corresponding yellow or green light phase, the red light automatic recording system should not record it. The automatic red light violation recording system should record the information of two to three positions during the red light violation process of the motor vehicle to reflect the red light violation process of the motor vehicle. The information of the first position should be able to clearly identify the time of the red light violation, the type of vehicle, the red light signal and the situation that the motor vehicle is on or over the stop line; the information of the second and third positions should be able to clearly identify the time of the red light violation, the type of vehicle, the red light signal and the situation that the entire vehicle body has crossed the stop line; and the information of at least one position should be able to clearly identify the license plate number. The image format of the automatic red light violation recording system should be JPEG format, and the JPEG image encoding should comply with the requirements of ISO/IEC15444:2000. The number of pictures should not exceed four. The automatic red light running recording system should record the information of motor vehicles that have run red lights in real time and store it in the database table. The table name is ITS_POLICFVIO1.ATION, and the table structure at least contains the field information in "Table 2". Table 2 ITS_POLICFVIOLATION Basic field information Serial number
License plate number
License plate type
Vehicle type
Pursuit time
Violation location
Violation behavior
Processing mark
Violation evidence 1
Escape evidence 2
Violation evidence 3
Violation evidence 4
Field name
Red light capture rate
Big binary object
Big binary object
Big binary binary pair
Big.: Binary object
"Not empty
Not empty. Meets the requirements of GA24.7
Not.
Meets GA 24,4 requirements
cannot be empty. Accurate to seconds
cannot be other. Meet the requirements of GA408.3
cannot be empty. Meet the requirements of GA408.1
“0\ has not entered the violation handling process, “1 has entered the violation handling process. The initial value of the tree is\0”
cannot be empty, JPEG image
can be empty. JPEG image
can be empty. JPEG image
can be empty, JPEG image
Under the marked applicable conditions, the red light violation capture rate should be no less than 90%. 5.3.3 Recording efficiency
Under the marked applicable conditions, the red light violation recording efficiency of motor vehicles should be no less than 80%. 3
GA/T 496—2004
5.3.4 Data transmission
Except for the automatic recording system of red light running using optical photos, the automatic recording system of red light running should have the functions of network data transmission and on-site data download.
5.3.4.1 Network data transmission
The motor vehicle red light running information is automatically transmitted to the designated data center through the network. There are two transmission modes: real-time transmission and non-real-time transmission. The user can choose any mode for data transmission. During transmission, if the transmission fails due to network failure: the breakpoint resume function should be available. 5.3.4.2 On-site data download
The motor vehicle red light running information is manually downloaded to the storage medium on site and then brought back to the data center. 5.3.5 Data entry
The motor vehicle red light running information data recording software should be provided. The recorded data is stored in the database table. The name and structure of the table should be consistent with
“\Table 2”.
5.4 Electrical safety
5. 4.1 Power adaptability
Under the power supply condition of AC 220 V±
5. 4.2 Insulation requirements
Hz2Hz, the system should be able to work normally. ?
After the insulation resistance of the power supply electrode or other conductive circuits connected to the power supply electrode, such as the chassis and other easily accessible parts (excluding the lightning arrester), has been tested, the insulation resistance should not be less than 5Mn and should not be less than 10M2.
5.4.3 Withstand voltage requirements
The test system should not have breakdown in the withstand voltage test of 1
5.5 Electromagnetic immunity performance
V.50Hz, and there should be no electrical faults and the functions should be normal after the test.
Electrical faults should not occur in electromagnetic disturbance environments such as short interruptions. The test results of the test system should comply with G/T17626.2 and GB/T17526.4. GB/T1762 allows its basic functions to be temporarily reduced or lost, but it should be able to recover automatically after the test.
5.6 Climate and environmental adaptability
5. The 2nd level requirements in GB/T17626.11, that is, the images and data stored in the system should not be lost. All equipment installed outdoors should be able to withstand various climate and environmental tests such as high temperature, low temperature, constant temperature and constant mixing. During and after the test, the test system should not have any electrical faults, and the machine contacts should not be deformed, and the functions should remain normal.
In the rain test and verification test, the outdoor chassis and the protective cover containing the main body of the image acquisition unit are normal, and there is no water seepage or accumulation.
During and after the dust test,
5.7 Mechanical environment adaptability
There should be no large amount of dust accumulation in the outdoor cabinet and the protective cap containing the main body of the image collection unit. After enduring various mechanical environmental tests, the tested system should have no permanent structural deformation and no damage to the parts; there should be no electrical failure, no loosening of fastening parts, and no falling off or poor contact of plugs, communication interfaces and other connectors; the tested system functions should remain normal. 6 Inspection method
If no special requirements are indicated, all tests shall be carried out under the following conditions: Ambient temperature: 0℃～40℃;
Ambient relative condensation: 15%~-90%
System power supply: AC220V.50Hzc
6.1 Appearance inspection
Inspect the appearance to ensure that it complies with the requirements of 5.1.1 and 5.1.2. 6.2 Inspection of electrical components
Inspect the power supply, electrical protection device, grounding terminal, wire, etc. to ensure that they comply with the requirements of 5.2. 6.3 Functional test
6.3.1 Red light running behavior record
6.3. 1.1 Test conditions
GA/T 496—2004
The test is conducted under the condition that the atmosphere is clear and fog-free, and the license plate light is not blocked or damaged. The ambient light illumination during daytime testing should not be less than 200 lux, and the auxiliary lighting illumination during nighttime testing should not be less than 100 lux. The license plate on the test vehicle should comply with the provisions of GA36 and be installed in a standardized manner. 6.3.1.2 Test method
During the test, the test parameters such as the number of lanes in the test direction and the distance between the stop line and the signal light in the test direction are determined according to the applicable conditions marked on them. During the test, at the intersection controlled by traffic signals, the test vehicle is driven at 5 km/h, 20 km/h, 40 km/h, and 60 km/h during the day and at night, respectively.The red light running test is conducted at speeds of 80km/h, 100km/h and 120km/h. A car with a body length of about 10m is used at a speed of no more than 60km/h and a car with a body length of about 5m is used at a speed of more than 60km/h. The number of tests at each of the above speed points is not less than 20. Single-car test is used. The driving trajectory should be on the left, middle and right side of the corresponding lane respectively. The body should not exceed the test lane. The information recorded in the test should meet the requirements of 5.3.1. The red light running capture rate and recording efficiency are calculated based on the information recorded in the test. The red light running capture rate should meet the requirements of 53.2 and the recording efficiency should meet the requirements of 5.3.2. 6.3.2 Data transmission The network transmission function and on-site data download function of the recordable system can be tested according to different categories. In the test of red light running, the failure in the network is simulated to test the breakpoint resume function of the system. After the test, the motor vehicle red light running information data entry software shall enter data in the database table according to the different categories of red light running records, and the requirements of 5.3.1 shall be met respectively. 6.4 Electrical safety test 6.4.1 Power supply voltage adaptation Set the test source voltage value and working time according to Table 3, and check that the test system meets the requirements of 5.4.1. Table
6.4.2 Insulation test
Power supply
176V.52Hz
Power adaptability test
Working time
The system under test is not powered on, and the switch is in the on position. Apply a 500V DC test voltage between the power supply electrode or other conductive circuit and the easily accessible parts such as the installation chassis (excluding the protective device). After stabilization for 1 minute, measure the insulation resistance, which shall meet the requirements of 5.4.2. 6.4.3 Withstand voltage test
The system under test is not powered on, and the switch is in the on position. Apply a 1 500 V, 50 J1Z test voltage between the power supply electrode or other conductive circuit and the easily accessible parts such as the installation chassis (excluding the protective device). The test voltage shall gradually rise to the specified value in 5 s-10 s, and remain at the specified voltage for 1 minute, which shall meet the requirements of 5.4.3. 6.5 Electromagnetic immunity test
6.5.1 Electrostatic discharge immunity test
GA/T 4962004
6, 5. 1. 1 Test device
The electrostatic discharge generator used in the test shall comply with the requirements of GB/T17626.2. 6.5. 1. 2 Test method
The system under test is powered on and works normally, and the housing is grounded according to the use requirements. The test configuration shall comply with the requirements of GB/T17626.2. The test rate is 2s for one discharge. Each discharge point shall discharge 10 times for positive and negative polarity respectively, and the test level is level 2. During and after the test, the system under test shall comply with the requirements of 5. 5. 6.5.2 Electrical fast transient pulse group immunity test6, 5. 2. 1 Test equipment
The electrical fast transient pulse group generator used in the test shall comply with the requirements of GB/T17626.4. 6.5.2.2 Test method
The system under test is powered on and works normally, and the housing is grounded as required for use. The test configuration shall comply with the requirements of GB/T 17626.4. The test voltage is positive or negative. The test duration is 2 minutes and the test level is level 2. During and after the test, the system under test shall comply with the requirements of 5.5. 6.5.3 Surge immunity test
6.5.3.1 Test device
The lightning surge generator and coupling/decoupling network used in the test shall comply with the requirements of GB/T17626.5. 6.5.3.2 Test method
The system under test is powered on and works normally, and the housing is grounded as required for use. The test configuration shall comply with the requirements of GB/T17626.5. During the test, 5 surges are applied to each of the positive and negative polarities, and the repetition rate of each surge is 1 time/30 s. The test level is level 2. During and after the test, the system under test shall meet the requirements of 5.5. 6.5.4 Voltage short-time interruption immunity test
6.5.4.1 Test device
The signal generator used in the test shall meet the requirements of GB/T17626.11. 6.5.4.2 Test method
The system under test shall be powered on and operate normally, and the housing shall be grounded according to the use requirements. The test configuration shall meet the requirements of GB/T17626.11, the short-time interruption test level is 0%II, the duration is 20 voltage cycles, and a total of 5 tests are carried out, with a minimum interval of 25 5 between each test. During and after the test, the system under test shall meet the requirements of 5.5. 6.6 Climate environment adaptability test
6, 6.1 High temperature test
6.6.1.1 Test equipment
The test equipment shall meet the requirements of GB/T2423.2. 6.6.1.2 Test method
Put the connected outdoor equipment in a high temperature test chamber and place it at a temperature of 70℃±2℃ for 24 hours. The test equipment is powered on continuously. During and after the test, the test system shall meet the requirements of 5.6. 6.6.2 Low temperature test
6.6.2.1 Test equipment
The test equipment shall meet the requirements of GB/T2423.1. 6.6.2.2 Test method
Put the connected outdoor equipment in a low temperature test chamber and place it at a temperature of 20℃±2℃ for 24 hours. The test equipment is powered on continuously. During and after the test, the test system shall meet the requirements of 5.6. 6.6.3 Steady-state damp heat test
6.6.3.1 Test equipment
The test equipment shall meet the requirements of GB/T2423.3. 6
6.6.3.2 Test method
GA/T 496—2004
Put the connected outdoor equipment into the test box, keep it in the environment of 40℃±2℃ and 90%～95% relative humidity for 24 hours, then connect the power supply and work for 24 hours, and check whether its function meets the requirements of 5.6. After the test, test the insulation resistance according to the method of 6.4.2, which shall meet the requirements of 5.4.2.
6.6.4 Rain Test
Place the unpowered test equipment in the normal position. The maximum water spraying rate of the rain test is 24.5I./h. The swing pipe of the rain test swings back and forth at an angle of not less than 120″. The swing cycle is 5 s±2 s and the duration is 2 h. Check that its function meets the requirements of 5.6. 6.6.5 Dust Test
Put the unpowered test equipment into the dust test chamber. The temperature of the test chamber should be maintained at 0℃～35℃ and the relative humidity should be 45%～80%. Each cubic meter of the test chamber should contain 2kg of talcum powder. Dust should be raised for 5 s every 15tmin for 2 hours. h. Check that its function meets the requirements of 5.6.
6.7 Mechanical environment test
6.7.1 Vibration test
6.7.1.1 Test equipment
The test equipment shall meet the requirements of GB/T2423.10. 6.7.1.2 Test method
Install the image processing unit body that has been connected and is in a non-working state on the vibration test bench and perform a fixed-frequency vibration test in the up and down directions. The vibration frequency is 33 Hz, the frequency error is ±2%, the perturbation acceleration value is 9.8 m/s, and the duration is 1 h. After the test, check that the basic functions and appearance structure of the tested equipment meet the requirements of 5.7. 6.7.2 Impact test
6.7.2.1 Test equipment
The test device shall meet the requirements of GB/T2423.5. 6.7.2.2 Test method
The image processing unit body that has been connected and is in working state is installed on the test bench, and a half-sine wave pulse with a peak acceleration of 98 m/s and a pulse duration of 1 tms is applied to the upper and lower directions respectively. times. After the test, check the basic functions and appearance structure of the equipment under test, which should meet the requirements of 5.7.
7 Inspection rules
7.1 Inspection classification
The inspection of the automatic recording system of the red light is divided into type inspection and factory inspection. 7.2 Type inspection
7.2.1 Inspection conditions
Type inspection is carried out in the following cases: trial production of new product design;
-transfer of production or transfer of factory;
resuming production after suspension;
-significant changes in structure, materials or processes. 7.2.2 Inspection requirements
The applicant shall provide the following for type (final) inspection: The manual shall provide detailed operation, maintenance, repair instructions, wiring diagram or electrical schematic diagram, and relevant prompt information that may affect the personal safety of the user;
3 sets of test systems:
Other test system components.
GA/T 496—2004
7. 2.3 Result determination
Carry out type inspection according to the provisions of Table 4. If one test fails to meet the requirements, the type inspection of the model system shall be determined to be unqualified. Table 4 Test items and sequence table
Test items
Appearance requirements inspection
Electrical component inspection
Function test
Electrical safety test
Electrical fast transient pulse group
Surge immunity test
Voltage short-time interruption
Climate environment
Mechanical environment
Note: "\ indicates
Factory inspection
|tt||Test items to be carried out.
Factory inspection by
Installation and operation#
Red light automatic
Engineering
System leveling
Test requirements clause
Test method clause
Sample!
Type inspection
Sample 2
The manufacturer shall select and carry out according to Table 4. If there are any unqualified items, rework or repair shall be carried out.
System installation and operation
According to GB/T 501
The following principles shall be followed:
98 requirements:
The fault time shall not exceed
00h. The time to repair the fault shall not exceed
Fork intersections and sections, the installation poles shall be installed
For intersections with signal control
When it is necessary to install
Sample 3
Factory inspection
Sample 1
Install at a suitable position in the pedestrian road or isolation belt. The horizontal bar is at a certain distance from the ground.
Vertical distance should be higher than the safety height (the distance should be full of the safety height of the installation site IS
requirements),
9Marking, labeling, packaging
Marking, labeling
The outer packaging of the system equipment should reflect the following contents: Chinese product name and model, rated power supply voltage, power supply frequency, rated power and other main electrical parameters; manufacturer name, detailed address, product origin, trademark or logo: the standard number and standard name implemented and complied with by the product. 9. 2 Inspection certificate
Products shipped out of the factory shall be accompanied by an inspection certificate, which shall include the following contents:-Product name and model;
Manufacturer name;
Product standard number implemented;
Factory inspection theory and inspection date;
Inspector identification or inspector code.
The packaging box shall meet the requirements of moisture-proof, dust-proof, shock-proof and transportation. Each packaging box shall contain an instruction manual, warranty card, product certificate or inspection mark and packing list. GA/T496—2004
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