This standard specifies the technical requirements and test methods for microwave and passive infrared composite detectors used in intrusion alarm systems used in buildings. It is the basic basis for design, manufacturing and inspection. GB 10408.6-1991 Microwave and passive infrared composite intrusion detector GB10408.6-1991 Standard download and decompression password: www.bzxz.net

National Standard of the People's Republic of China
Microwave and passive infrared combined intrusion detector
Combination microwave and passive infrared intrusion detector
Theme content and scope of application
GB 10408.6—91
This standard specifies the technical requirements and test methods for microwave and passive infrared composite detectors used in intrusion alarm systems used in buildings. It is the basic basis for design, manufacturing and inspection. In addition to complying with the provisions of this standard, microwave and passive infrared composite detectors should also comply with the relevant provisions of GB10408.1, GB10408.3, and GB10408.5.
2 Reference standards
General technical conditions for intrusion detectors
GB 10408. 1
Microwave intrusion detectors
GB 10408. 3||tt| |Passive infrared intrusion detector
GB 10408.5
3 terms
3.1 combination microwave and passive infrared intrusion detector combines microwave and passive infrared A device that combines units into one, and only sends an alarm signal when both units sense the movement of the human body and are in an alarm state.
3.2 Sensor sensor
For the microwave unit, it refers to its transmitting/receiving component; for the passive infrared unit, it refers to its receiving component. 3.3 Microwave unit microwave unit
The general name for microwave sensors and microwave signal processing circuit units. 3.4 Infrared unit infrared unit
The general name of infrared optical system, sensor and infrared signal processing circuit unit. General requirements
4
This composite detector should be composed of a microwave unit, a passive infrared unit and a signal processor, and should be installed in the same casing. The microwave and infrared detection ranges should be of equal size and overlap, and there should be a device in the casing to adjust the overlap of the two. 5 Technical requirements
5.1 Appearance and mechanical structure requirements
Should comply with the requirements of Article 4.1 of GB10408.1. 5.2 Performance requirements
State Bureau of Technical Supervision approved on 1991-05-05 for implementation on 1992-01-01
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5.2.1 Electrical performance requirements
GB 10408.6—91
shall comply with the requirements of Article 4.2 in GB10408.1, of which the sensitivity and detection range of Article 4.2.4 shall comply with the provisions of Article 5.2.2 of this standard.
5.2.2 Sensitivity and detection range
The overlapping area of ??the detection ranges of the microwave and infrared units is the detection range of the composite detector. When the reference target moves laterally within the detection range at a speed of one step per second (approximately 0.75m/s) at the boundary of the detection range, an alarm state should occur if the movement distance is less than 3m. For those whose nominal detection distance is less than 10m, when the required moving distance is less than 30% of the detection distance, an alarm state should be generated.
Under specified environmental conditions, its maximum composite detection range should not be less than the value specified in the product performance indicators, but should not exceed 25% of this value.
5.2.3 Dual identification function
When one of the microwave or infrared units in the composite detector is interfered and is in an alarm state, the detector should not send out an alarm signal. 5.2.4 Self-checking function
The composite detector should have a self-checking function. When one of the microwave or infrared units fails, it should be able to produce a fault signal indication and output, and be able to switch to the detection state of a single unit.
5.2.5 Test device
The composite detector should have the following test devices:. Walking test indicator light
The detector should be equipped with a walking test indicator light, which is used to debug the warning area and indicate on-site interference and its own faults. After the walking test, the indicator light should be turned off or blocked.
The indicator light should be able to display three alarm states: microwave, infrared and composite. It is recommended to use three indicator lights to display three states respectively. It is stipulated that microwave is yellow, infrared is green, and composite is red. b. Signal test points
Both microwave and infrared detection units should have their own signal test points, which are used to detect sensitivity, determine the detection range and check the working status of the unit.
5.3 Environmental adaptability requirements
should comply with the requirements of Article 4.3 [group] in GB10408.1. 5.4 Stability
Under the environmental conditions specified in Article 6.1, the sensitivity of the detector shall be adjusted according to the requirements of Article 5.2.2 and fixed. After seven days of continuous operation, the change in the detection distance of the test detector shall not be greater than 10%. During this period, the detector should not produce false alarms or missed alarms. 5.5 Anti-interference requirements
5.5.1 Anti-hot air flow interference
should comply with the requirements of Article 4.6.2 in GB10408.1. 5.5.2 Anti-small animal interference
composite detector and its microwave and infrared units shall respectively comply with the requirements of Article 4.1.6 in GB10408.5. 5.5.3 Anti-electromagnetic interference
composite detector and its microwave and infrared units shall comply with the requirements of Article 4.6.1 of GB10408.1 respectively. 5.5.4 Anti-environmental interference
The composite detector should not be affected by the interference of any moving objects and building vibration sources beyond 25% of the detection range to produce an alarm state.
5.5.5 Anti-fluorescent light interference
In areas beyond 25% of the detection range, the interference caused by fluorescent lights should not cause the composite detector to generate an alarm state. 5.6 Durability
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GB 10408.6-91
shall comply with the requirements of Article 4.5 of GB10408.1. 5.7 Safety requirements
5.7.1 Microwave radiation safety dose
should comply with the requirements of Article 4.3 in GB10408.3. 5.7.2 Flame retardant requirements
shall comply with the requirements of Article 4.7.3 in GB10408.1. 5.8 Reliability requirements
shall comply with the requirements of Article 4.9 in GB10408.1. 6 Test method
6.1 Test conditions
6.1.1 The detector should be installed at the height recommended by the manufacturer. Install according to the manufacturer's instructions and adjust to the best performance state, which remains unchanged during the test. If a range of installation height is given, tests should be conducted at the upper and lower limits respectively. If pulse counting or sensitivity adjustment is provided, it should also be tested separately in the high and low limit states. 6.1.2 The test should be conducted indoors under normal environmental conditions. The background temperature of the detector's field of view is between 20 and 25C and is evenly distributed. It should be maintained constant throughout the test, and the total change in the background surface temperature should not be greater than 1℃. Relative humidity is 45%~~75%
Atmospheric pressure is 86~106kPa
6.1.3 The impact of indoor hard floors, wall structures and placed objects on the detection range should not exceed 5% . The test site should be more than 3m larger than the maximum detection range.
6.2 Appearance and structural performance test
It shall be carried out in accordance with the provisions of Article 5.2 in GB10408.1, and the test results shall meet the requirements of Article 5.1. 6.3 Performance test
6.3.1 Electrical performance test
shall be carried out in accordance with the provisions of Article 5.3 in GB10408.1, of which the sensitivity and detection range test in Article 5.3.4 shall be in accordance with the provisions of Article 6.3.2 of this standard Execution, the test results shall comply with the requirements of Article 5.2. 6.3.2 Sensitivity and detection range test
Conduct a walking test under the test conditions specified in Article 6.1. Select seven evenly distributed points on the boundary of the detection range marked in the product manual. When the human reference target moves laterally on the points at a speed of 0.75m/s, an alarm state will be generated; then the person standing directly in front of the detector will On the detection boundary, any lateral movement at three speeds of 0.3, 1, and 3m/s will generate an alarm state. Gradually increase the radial test distance at the above seven points to measure the maximum detection range. The above test results should comply with the requirements of Article 5.2.2. 6.3.3 Dual-detector function test
Use the walking test indicator light to perform the following tests: a. The infrared sensor is exposed to alternating strong light, causing the infrared unit to be in an alarm state; b. The microwave sensor is interfered by direct fluorescent light within the detection range, causing the microwave unit to be in an alarm state. The above test is repeated five times, and the time interval between each time is not less than 1 minute. It should meet the requirements of 5.2 and 3. 6.4 Environmental test
shall be carried out in accordance with Article 5.4 of GB10408.1, and the test results shall comply with 5.3 requirements. 6.5 Stability test
This test is only conducted in the composite state according to the provisions of Article 5.4. The number of alarms was recorded during the test. Carry out a functional test at least once a day anywhere in the detection range. The test results shall comply with the requirements of Article 5.4. 6.6 Anti-interference test
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6.6.1 Hot air flow interference
GB 10408.6~91
The detector is installed at an appropriate height, facing a uniform background, and the sensitivity is adjusted to the maximum value. Place a 500W hot air blower 1m below and 1m in front of the detector, with the air flow facing the detector at an angle of 12° from the horizontal plane. The flow rate of the gas blowing across the surface of the detector should be 0.7±0.1m/s for 5 minutes. The test results shall comply with the requirements of Article 5.5.1. 6.6.2 Small animal interference
The detector is installed at the height recommended by the manufacturer and adjusted to the best performance state. Small animals are simulated using a metal rod with a length of 150mm and a diameter of 30mm. The surface of the metal rod is blackened to make the specific emissivity close to 0.9. There is an electric heating element in the rod that is energized to make the surface temperature of the metal rod 4±0.5°C higher than the ambient temperature. The rod is placed horizontally on a small non-metallic frame with a height of no more than 100mm from the ground. The frame is dragged with a non-metallic thin wire and repeatedly moves laterally at different distances within the detection range at a speed of 1.0 ± 0.2m/s. The test results shall comply with the requirements of Article 5.5.2. 6.6.3 Electromagnetic interference
shall be carried out in accordance with the provisions of Article 5.7.1 in GB10408.1, and the test results shall comply with the requirements of Article 5.5.3. 6.6.4 Environmental interference
The following tests shall comply with the requirements of Article 5.5.4: 8. The reference target moves outside the boundary of the area beyond 25% of the detection range. b. Vibration interference, install the product on the center of a 1800mm×1000mm×20mm bakelite board, and the bakelite board is fixed on the bracket. Depending on how the product is installed during use, securely fasten the bracket to the wall or the floor. The detector is in an alert state. Use a steel ball with a diameter of 50mm (weight 0.51kg) to fall freely from a height of 775mm or swing in an arc to hit the center of the back of the board on which the detector is installed (see Figure 1). The bracket and detector do not push and move when struck. Ball
Horizontal installation
6.6.5 Fluorescent light interference
Detector
Picture! Vibration interference test device diagram
Vertical installation
Steel ball
Use two 40W, 220V fluorescent lamps to be combined in parallel and placed at 1.25 times the detection range specified in the product manual. Facing the detector, turn on for 1 minute and off for 5 minutes. The test results shall comply with the requirements of Article 5.5.5. 6.7 Durability test
shall be carried out in accordance with the provisions of Article 5.6 in GB10408.1, and the test results shall meet the requirements of Article 5.6. 6.8 Safety test
6.8.1 Radiation safety dose detection
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GB 10408.6-91
Use a microwave power meter to measure the microwave emission power of the detector. The receiving antenna area of ??the power meter should not be larger than the transmitting antenna area. Place the receiving antenna 5cm directly in front of the transmitting antenna for measurement. The average power density obtained by dividing the measured power value by the area of ??the receiving antenna shall comply with the value specified in Article 5.7.1.
6.8.2 Flame retardant test
shall be carried out in accordance with the provisions of Article 5.8.3 in GB10408.1, and the test results shall comply with the requirements of Article 5.7.2. 6.9 Reliability test
The test results are carried out according to the provisions of Article 5.10 in GB10408.1 and shall meet the requirements of Article 5.8. 7 Inspection rules
shall be implemented in accordance with the provisions of Chapter 6 of GB10408.1, among which the test items and sequence of 6.2 shall be implemented in accordance with the provisions of Table 1 of this standard. Table 1
Serial number
1
2
&
4
5
6
7
8
9
10
11
12
13
14
15|| tt||16
17
18
19
2G
21
22
23||tt| |24
25
Project
Appearance
Shell protection level
External brightness strength
Bending test
Tensile test
Functional test
Dual detection function
Self-test function
Overcurrent protection
Tamper protection
Sensitivity and detection range|| tt||Power supply applicable range
Overvoltage operation
Power consumption
Backup power supply
Interface check
High temperature
Constant humidity and heat
Low temperature
Low temperature storage
Vibration
Shock
Free fall
Stability
Durability||tt| |Technical requirements
5.1
5.1
5.1
5.1
5.1
5.2.1
5.2.3| |tt||5.2.4
5. 2. 1
5.2.1
5.2.2
5.2.1
5.2.1| |tt||5.2.1
5.2. 1
5.2.1
5.3
5.3
5.3
5.3||tt ||5.3
5.3
5.3
5.4
5.6
Test method
This standard GB10408.1
5.2 .1
5.2.2
5.2.3
5.2.4.2
5.2.4.1
5.3.1
6.3.3
6.3.4
5.3.2
5.3.3
6.3.2
5.3.5bzxz.net
5.3.6|| tt||5.3.7
5.3.8
5.3.9
5.4.1
5. 4.2
5.4.3||tt| |5.4.4
5.4.5
5.4.6
5.4.7
6.5
5.6
Unqualified||tt ||Classification
c
B
B
C
c
B
B
B
B
B
B
B
C
C
B
B| |tt||B
B
B
B
B
B
B
B||tt ||B
Identification
Inspection
V
V
V
Group A
Quality consistency inspection| |tt||Group B
Group C
V
V
V
V
Group D
Y
V
V
551
serial number
26
27
28
29|| tt||30
31
32
33
item
item
anti-hot air flow interference
anti-small Animal interference
Anti-electromagnetic interference
Anti-environmental interference
Anti-fluorescent light interference
Radiation safety dose
Flame retardant
Reliability|| tt||Technical requirements
5.5.1
5.5.2
5.5.3
5.5.4
5.5.5
5.7.1
5.7.2
5.8
GB 10408.6 91
Continued Table 1
Test method
This standard||tt ||6.6.1
GB10408.1
6.6.2
5.7.1
6.6.4
6.6.5
6.8.1
5.8.3| |tt||5.10
Note: Those with “√” in the table indicate ongoing projects. 8 Marking, packaging, transportation and storage
shall be carried out in accordance with the provisions of Chapter 7 of GB10408.1. 9 Requirements for product instructions
Unqualified
Classification
B
B
B
B
B| |tt||A
A
B
Identification
Inspection
V
Group A
Quality consistency Inspection
Group B
Group C
Group D
The product manual of the composite detector not only provides detection functions, technical performance indicators, wiring diagrams and instructions for use. The following content should be included:
a.
b.
c.
d.
Microwave, infrared and composite detection range circles use different The lines (or colors) are shown on the same picture; the basic principles, functions and inspection methods of the self-test function; how to use the walking test device;
Precautions to avoid missed alarms and false alarms. Additional notes:
This standard is proposed by the Ministry of Public Security of the People's Republic of China. This standard is under the jurisdiction of the National Security Alarm System Standardization Technical Committee. This standard was drafted by the Shanghai Institute of Technical Physics, Chinese Academy of Sciences. The main drafter of this standard is Huang Keyi.
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