PIR Controller,IR Controller Factory,RF Controller Factory

PIR controller is mainly composed of the optical system, pyroelectric sensor (or infrared sensor) and alarm controller. The controller itself does not emit any energy but only passively receives and detects infrared radiation from the environment. Once the infrared radiation of the human body comes in, the pyroelectric device will generate a sudden change of electric signal by focusing on the optical system, which will sound an alarm. We have summarized some common problems and their solution, hope that it can give you some reference.

False alarm caused by equipment failure

?Destructive failure

Including all performance failures and sudden failures. This type of failure is usually caused by damage to components or poor production processes (such as false welding, false welding, etc.).

?Drifting fault

Refers to the fault caused by the excessive drift of the parameters of the components and the power supply voltage. For example, if the temperature is too high, the resistance value of the resistance will change. At this time, the performance of the equipment will be good and bad.

False alarms caused by environmental changes

• The equipment is not firmly installed and frequently moved to cause false alarms;

• False alarms caused by temperature changes of air conditioners and ventilation fans;

• The door or window of the precaution area is not closed, and people or animals pass by and cause false alarms;

• When the temperature difference between indoor and outdoor is large, the wind blows the curtain to cause false alarm;

• Multiple detectors transmit signals at the same time, which may cause false negatives or interference (only wireless type);

• The alarm system will cause false alarms to other wireless infrared detectors due to code errors. The performance of the equipment is always good and bad (only wireless type)；

Solutions

• Install the infrared detector according to the installation requirements of the manual;

• Avoid areas with strong temperature differences and air convection;

• The doors and windows of the guard area are closed, pay attention to the normal opening of the detector;

• Close doors and windows or tie curtains;

• Reduce the cross detection range of the prevention area and avoid sending alarm signals at the same time;

• Quick and accurate code matching to prevent misrecording of information;

How to guarantee low false positives?

?"0" misreports the product misleadingly

We must believe that for all products that use PIR as the detection sensor, there is no absolute "0" false alarm product. We can only rely on continuous technical optimization to reduce the frequency and number of false alarms. The reason is that the infrared detector only judges the specific environment and specific conditions according to the pre-set program in the detector's microprocessor. The sensitivity of detection is changed by changes in the environment and conditions. Controlling changes in the environment is the key to reducing false alarms.

?CCC certification

CCC compulsory certification of qualified products is necessary, and high-quality electronic components must be selected, strict quality system maintenance, credible quality commitments, and perfect after-sales service.

?Multi-technology combination discrimination improves the reliability of the detector.

Current products include: passive infrared detectors, microwave + passive infrared dual detectors, sound control + vibration glass breaking dual detectors, ultrasonic + passive infrared dual detectors Wait.

?Special circumstances.

Some environmental noise double-check detectors are powerless, such as: rats in the prevention zone; pets walking around in the room, etc. For this reason, scientific and technical personnel have introduced micro-processing technology into the alarm system to enable it to have certain identification and logical discrimination capabilities, and to a certain extent judge whether it is an intruder or an alarm caused by environmental noise.

We are a professional and leading PIR sensor manufacturer in China, providing customers with high-quality products and reliable service. If you want to wholesale PIR controller, just feel free to contact us, we will give you a competitive price.

PIR Controller,IR Controller Factory,RF Controller Factory