First, the role of intrusion detectors in burglar alarm systems
The intruder detector is a front-end device of the alarm system and is installed in a place of demand prevention. The intruder is discovered by detecting changes in the status of the site or some physical parameter, and an alarm trigger electrical signal is sent to the alarm controller through the transmission system.
The intrusion detector is a key part of the entire alarm system. It largely determines the performance indicators of the alarm system, such as detection range, detection sensitivity, false alarm rate, and false negative rate. There are many types of intruder detectors and their functions vary. According to the size of the detection range, the intrusion detector is a bit, line, surface, space, and perimeter control type; depending on the detection and management of the intrusion detector, the intrusion detector has switches, vibrations, microwaves, ultrasonic waves, infrared rays, and other types. A large-scale anti-theft alarm system generally requires multiple intrusion detectors. The use of different types of detectors in conjunction with each other can make the alarm system more complete, reliable, and more effective.
The detector is used as a sensor detection device to detect the intruder's intrusion behavior and various abnormal conditions. There are many places where security precautions are required in various smart buildings and ordinary buildings. These sites also have various safety precautions and requirements depending on the actual situation. Therefore, a variety of alarm detectors are required to meet different security requirements.
According to the actual site environment and the user's security requirements, a reasonable selection and installation of various alarm detectors can better achieve the purpose of security. When choosing and installing an alarm detector is not appropriate, there may be loopholes in security precautions, failing to meet the strictness of security precautions and creating an opportunity for intruders, thus bringing undue losses to the security protection work.
Alarm detectors require tamper-proof and vandal-proof functions. When the alarm detector is damaged, people short-circuit or open circuit their transmission lines, and they illegally attempt to open their protective covers, they should all be able to generate alarm signals; in addition, the alarm detectors should also have certain anti-jamming measures to prevent all kinds of errors. The phenomenon of newspapers, such as: prevention of pets and pet harassment, resistance to false positives caused by changes in environmental conditions, etc.
The sensitivity and reliability of the alarm detectors influence each other. Reasonably selecting the detection sensitivity of the alarm detector and adopting different measures against external interference can improve the performance of the alarm detector. The use of different anti-jamming measures determines the performance of the alarm detector in different environments. Understand the performance and characteristics of various alarm detectors. According to different use environments, rational allocation of different alarm detectors is the key link of an anti-theft alarm system.
Second, how to improve the accuracy of the alarm to enhance the stability of the alarm
Domestic alarm false alarm rate for all to see, how to improve the alarm sensor identification to reduce the false positive rate is the most critical factor. There are also many consumers who change the battery to reduce false alarms, but it is clear that many unnecessary maintenance costs are required to extend the life of the product. However, such a palliative approach does not work. Manufacturers should upgrade their technology and improve product stability.
Can a sensor embedded in multiple sensors solve the problem of false alarms? In general, an ordinary alarm can only detect pets weighing 40 to 50 pounds, but dual-frequency infrared detectors can sense proximity. An 80-pound pet has a wider detection range, which reduces false alarms and saves energy.
Similarly, infrared detectors, for example, are susceptible to changes in temperature and light. The upgraded detectors can be made of anti-ultraviolet material, adding a light filter to eliminate false alarms caused by changes in sunlight. In the production process of the product, the temperature simulation system can realize the response of the product to different environments and temperatures during the testing process, record these conditions one by one, and implant them in the equipment.
R&D personnel added light immunity technology to the equipment structure design, effectively improving the efficiency of the alarm. Tests have shown that the replacement of microwave ultrasound by manufacturers can reduce the cost of equipment, while using solar energy can save more energy. With regard to domestic alarm technology, there is no new breakthrough in the investigation model. It is only through some new functions that the existing equipment defects are filtered out to extend the product life.
Detector incorporates video alarm function
Objectively speaking, the user prefers to believe the real image instead of the alarm prompt issued by the alarm. The video alarm system can provide real image information. Of course, there is no ordinary alarm cost on the price.
In many integrated applications, the combination of video surveillance and alarm systems is favored by users. Considering the security of subsystems, video surveillance can record images and is the source of evidence. Intrusion detection can activate alarm signals. Frequently occurring in false alarms, video surveillance and alarm detection complement each other and reflect real scenes through video images. . Through the combination with the camera to achieve different alarm solutions.
The intruder detector is a front-end device of the alarm system and is installed in a place of demand prevention. The intruder is discovered by detecting changes in the status of the site or some physical parameter, and an alarm trigger electrical signal is sent to the alarm controller through the transmission system.
The intrusion detector is a key part of the entire alarm system. It largely determines the performance indicators of the alarm system, such as detection range, detection sensitivity, false alarm rate, and false negative rate. There are many types of intruder detectors and their functions vary. According to the size of the detection range, the intrusion detector is a bit, line, surface, space, and perimeter control type; depending on the detection and management of the intrusion detector, the intrusion detector has switches, vibrations, microwaves, ultrasonic waves, infrared rays, and other types. A large-scale anti-theft alarm system generally requires multiple intrusion detectors. The use of different types of detectors in conjunction with each other can make the alarm system more complete, reliable, and more effective.
The detector is used as a sensor detection device to detect the intruder's intrusion behavior and various abnormal conditions. There are many places where security precautions are required in various smart buildings and ordinary buildings. These sites also have various safety precautions and requirements depending on the actual situation. Therefore, a variety of alarm detectors are required to meet different security requirements.
According to the actual site environment and the user's security requirements, a reasonable selection and installation of various alarm detectors can better achieve the purpose of security. When choosing and installing an alarm detector is not appropriate, there may be loopholes in security precautions, failing to meet the strictness of security precautions and creating an opportunity for intruders, thus bringing undue losses to the security protection work.
Alarm detectors require tamper-proof and vandal-proof functions. When the alarm detector is damaged, people short-circuit or open circuit their transmission lines, and they illegally attempt to open their protective covers, they should all be able to generate alarm signals; in addition, the alarm detectors should also have certain anti-jamming measures to prevent all kinds of errors. The phenomenon of newspapers, such as: prevention of pets and pet harassment, resistance to false positives caused by changes in environmental conditions, etc.
The sensitivity and reliability of the alarm detectors influence each other. Reasonably selecting the detection sensitivity of the alarm detector and adopting different measures against external interference can improve the performance of the alarm detector. The use of different anti-jamming measures determines the performance of the alarm detector in different environments. Understand the performance and characteristics of various alarm detectors. According to different use environments, rational allocation of different alarm detectors is the key link of an anti-theft alarm system.
Second, how to improve the accuracy of the alarm to enhance the stability of the alarm
Domestic alarm false alarm rate for all to see, how to improve the alarm sensor identification to reduce the false positive rate is the most critical factor. There are also many consumers who change the battery to reduce false alarms, but it is clear that many unnecessary maintenance costs are required to extend the life of the product. However, such a palliative approach does not work. Manufacturers should upgrade their technology and improve product stability.
Can a sensor embedded in multiple sensors solve the problem of false alarms? In general, an ordinary alarm can only detect pets weighing 40 to 50 pounds, but dual-frequency infrared detectors can sense proximity. An 80-pound pet has a wider detection range, which reduces false alarms and saves energy.
Similarly, infrared detectors, for example, are susceptible to changes in temperature and light. The upgraded detectors can be made of anti-ultraviolet material, adding a light filter to eliminate false alarms caused by changes in sunlight. In the production process of the product, the temperature simulation system can realize the response of the product to different environments and temperatures during the testing process, record these conditions one by one, and implant them in the equipment.
R&D personnel added light immunity technology to the equipment structure design, effectively improving the efficiency of the alarm. Tests have shown that the replacement of microwave ultrasound by manufacturers can reduce the cost of equipment, while using solar energy can save more energy. With regard to domestic alarm technology, there is no new breakthrough in the investigation model. It is only through some new functions that the existing equipment defects are filtered out to extend the product life.
Detector incorporates video alarm function
Objectively speaking, the user prefers to believe the real image instead of the alarm prompt issued by the alarm. The video alarm system can provide real image information. Of course, there is no ordinary alarm cost on the price.
In many integrated applications, the combination of video surveillance and alarm systems is favored by users. Considering the security of subsystems, video surveillance can record images and is the source of evidence. Intrusion detection can activate alarm signals. Frequently occurring in false alarms, video surveillance and alarm detection complement each other and reflect real scenes through video images. . Through the combination with the camera to achieve different alarm solutions.
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