The IR24BDA radar module is a radar detection module based on the millimeter wave Doppler radar theory, which achieves human biological motion perception, human biological perception and human breathing detection.This module is based on the enhanced Doppler radar signal processing theory, and achieves wireless perception of the status of personnel in a specific place through the synchronous sensing technology of Doppler parameters of personnel movement and physiological parameters of personnel. It can be tested with our radar test board.(DERADAR-24G).
The 32 array antenna form of this module: wide beam radar module. The wide beam radar module is mainly applicable to the top installation mode to realize radar detection in a large angle range; If it is used for horizontal or inclined installation, it is necessary to pay attention to the occlusion of the actual scene in order to realize the radar detection function in a longer range.
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| PRODUCT NAME | 24G Sleep Monitoring Sensor Module | ||
| PART NUMBER | IR24BDA | OUTLINE DIMENSION | ≤46mm×27.5mm×5mm |
| SLEEPING PERSONNEL PERCEPTION RANGE | 2.75m | OPERATING FREQUENCY | 24-24.25GHz |
| SLEEPING PERSONNEL BREATHING PERCEPTION RANGE | 0.5~1.5mm | TRANSMIT POWER | 6dBm |
| OPERATING TEMPERATURE | -20-60℃ | POWER INPUT | 5V/93mA |
| STORAGE TEMPERATURE | -40-80℃ | ||
● It realizes the synchronous perception function of moving personnel and static personnel (sitting and sleeping);
● It can keep the detection of static personnel and ensure real-time output;
● It can keep relevant information such as sleep and breathing of sleepers and record relevant sleep time curve information;
● It can quickly output the far and near state of the target range radar;
● It can detect various motion amplitudes and output numerical state in real time;
● It can limit the detection object to persons with biological characteristics (moving or stationary), and eliminate the interference of other inanimate objects in the environment;
● This module can effectively eliminate the interference of non-living objects, and can also realize the detection of non living moving objects;
● The product supports secondary development and adapts to a variety of scenarios; General UART communication interface to provide general protocol;
● Four groups of I/O are reserved, which can be input and output according to user definition, or simple interface simulation;
● Low output power, no harm to human body;
● It is not affected by temperature, light, dust and other factors, with high sensitivity and wide application fields.
Main function of the radar module includes:
A.Human breathing detection；
(1) Max detection ranger：≤2.75 m；
(2) Response time：≤60s；
B. Breathing rate statistics：
(3) Max detection ranger：≤1.5m；
(4) Max breathing detection frequency：≤30 times；
(5) Minimal breathing detection frequency：≥12 times；
C. Sleep quality evaluation；
D.Sleep duration records；
E. Environmental state evaluation；
F. Alert design.
The beam coverage of IR24BDA radar module is shown in the figure. The coverage is a 3D fan-shaped area, horizontal 40°, pitching 40°.
1. Interference factors
Radar is an electromagnetic wave detection sensor, and active non-living objects will cause false alarms. The movement of metals and liquids can cause misjudgments. Usually, electric fans, pets close to the radar, and the shaking of metal curtains will cause misjudgments. Radar needs to be planned from the perspective of installation.
2. Non-interference factors
Radar electromagnetic waves can penetrate human clothing, curtains, veneer, and glass. It is necessary to determine the installation angle and performance of the radar according to the application.
3. Semi-interference factor
The radar judges the presence of a human body and is not suitable for directly facing the air conditioner. The motor inside the air conditioner can cause the radar to misjudge. Radar products can not directly face the air conditioner. It can be the same direction as the air conditioner.
Thank you for your interest in our product. If you need any further assistance or have any other questions, please feel free to contact us. We sincerely invite you to send your inquiries to our email at [koi@iflabel.com].
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