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Seeed MR24HPB1 Скачать руководство пользователя страница 9

MR24HPB1

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3.3. Using the Wiring Diagram

Fig. 2 Schematic diagram of the radar module and peripheral connections

4. Main Performance

4.1 Operating Range of Radar Module

Figure 3 illustrates the beam coverage of the MR24HPB1 radar module. Basically, it

covers a three-dimensional area with a horizontal angle of 90° and 60° inclined.

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Содержание MR24HPB1

Страница 1: ......

Страница 2: ...i z o n t i c 9 0 V e r t i c a l 6 0 f a n b e a m p a t t e r n Scene recognition capability to identify occupied unoccupied and human activity and output body movement Independence from temperature humidity noise air currents dust light etc suitable for harsh environments Low output power and no harm to the human body from prolonged exposure Unoccupied to occupied detection time within 0 5 seco...

Страница 3: ...rs etc Package Volume 35MM x 30MM x 5MM Interface PITCH 2 0MM interface double row of pins CONTENTS 1 Overview 5 2 Electrical characteristics and parameters 6 2 1 Angle and Distance Detection 52 2 Electrical Properties 62 3 RF Performance 63 Module Dimensions and Pinouts 8 3 1 Module size Package 73 2 Pin Descriptions 83 3 Using the Wiring Diagram 94 Main Performance 94 1 Operating Range of Radar ...

Страница 4: ...technology based on Doppler parameters of movement and physiological parameters of the personnel This is a two array element antenna module This wide beam radar module is primarily suitable for top mounting to achieve detection over a wide area If the radar is mounted horizontally or inclinedly it is necessary to consider the occlusion of the actual scene in order to attain a greater detection ran...

Страница 5: ...harm to the human body 11 Temperature light dust and other environmental factors do not affect the radar s performance Yet it is very sensitive and has a wide range of applications 2 Electrical characteristics and parameters 2 1 Angle and Distance Detection Parametric Content Minimum Typical Maximum Unit MR24HPB1 8 point narrow beam antenna Movement personnel detection distance 13 metre s Distance...

Страница 6: ...aximum Unit Operating Voltage VCC 4 5 5 0 6 V Operating current ICC 90 93 100 mA Operating I O current IIO 8 20 mA Operating Temperature TOP 20 60 Storage Temperature TST 40 80 2 3 RF Performance Firing Parameters Operating Frequency fTX 24 0 24 25 GHz Firing Power Pout 6 dBm ...

Страница 7: ...MR24HPB1 7 3 Module Dimensions and Pinouts 3 1 Module size Package ...

Страница 8: ...ve Interface 2 1 3V3 3 3V Power Output 2 GND Ground 3 SL Reserve Pin 4 SD Reserve Pin 5 GP1 Alternative Expansion Pins 6 GP2 Alternative Expansion Pins 7 GP3 Alternative Expansion Pins 8 GP4 Alternative Expansion Pins Note 1 S1 output high level occupied low level unoccupied 2 S2 output high level active low level stationary 3 GP1 to GP4 are parameter selection controls which can be redefined acco...

Страница 9: ...am of the radar module and peripheral connections 4 Main Performance 4 1 Operating Range of Radar Module Figure 3 illustrates the beam coverage of the MR24HPB1 radar module Basically it covers a three dimensional area with a horizontal angle of 90 and 60 inclined ...

Страница 10: ...p or angled This is due to the effect of the beam and effective radiation space It is important to consider this when using the device 4 2 Main Functions and Performance The main functions of this radar module are a Motion detection function i Maximum detection distance 13m adult ii Detection sensitivity 0 2m s iii Reaction time 100ms b Micro motion detection i Maximum detection distance 5m ii Rea...

Страница 11: ... objects or covering in front of the radar To ensure that the main beam of the radar antenna covers the detection area and the radar beam covers the human activity area the normal direction of the radar is aligned with the main detection position The maximum detection range of moving human bodies is L3 12m The maximum distance of detection for seated or inching humans is L2 5m The maximum distance...

Страница 12: ...ensure the radar antenna s main beam covers the detection area and the radar beam covers the human activity airspace This installation mode allows the maximum detection distance of a moving human body denoted as L3 to be about 7 meters while the maximum detection distance for human sitting and inching denoted as L2 is 4 meters and the maximum detection distance for human sleep L1 is 3 meters When ...

Страница 13: ...re adequate coverage of the detection area the radar installation height should be set at 2 75M with the horizontal deviation angle set at 3 There is no obvious shelter or cover in front of the radar According to the radar installation height and radar range the maximum detection distance of moving human bodies is L3 6 5m that of human sitting inching is L2 3m and that of human sleeping is L1 1 8m...

Страница 14: ...t be placed on its surface D Affected by the transmission characteristics of electromagnetic waves the radar range is related to the RCS of the target the material and the thickness of the target cover the radar effective range will change to a certain extent E In the case of a human being in a static state varying body positions would affect the radar range and the radar could not guarantee that ...

Страница 15: ... switching time is 1 minute 6 Typical Application Modes This module has many applications including house appliances energy saving light control health care etc Following are a few examples of typical applications 6 1 Smart Home Appliance Application The radar is installed inside the home appliance equipment and records the status of the personnel working on the appliance equipment in real time By...

Страница 16: ...oiding privacy concerns When installed in the room the radar can monitor in real time whether a target is moving what direction people are moving the presence of people etc By using IoT transmission methods and means with the relevant IoT support platform we can maximize the effectiveness in other relevant applications The radar applies to the following areas Home security Hotel management and mon...

Страница 17: ...e main application modes are as follows Home appliance energy saving Energy saving control of office appliances Street lighting energy saving control 7 Notes 7 1 Start up Time To ensure the smooth operation of the module after the initial power on it is necessary to completely reset the internal circuit of the device and evaluate the environmental noises Therefore when the module is initially powe...

Страница 18: ...rement than conventional low frequency circuits The power supply must be free of threshold burr and ripple and protect the module from power noise from accessories The radar module should be well grounded As a result of ground noise caused by other circuits the radar module may perform poorly or even malfunction In most cases the detection distance becomes closer or the false alarm rate increases ...

Страница 19: ...rformance of the radar should be determined according to the intended use Semi interference factors The radar detects the presence of a human body which is not ideal for facing the air conditioner directly This is due to the internal motor of the air conditioner causing the radar to misjudge The radar is not necessary to be directed at the air conditioner ...

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