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Breathing Rate and Heart Rate Radar, IR60BH1A
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Breathing Rate and Heart Rate Radar, IR60BH1A

IR60BH1A radar module is a radar detection module based on the millimeter wave Doppler radar theory, adopts 60G millimeter wave radar technology to realize the non-contact perception of personnel's respiratory rate and heart rate.
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1000
Product serial number
0002
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Description
Specification

INTRODUCTION

IR60BH1A radar module is a radar detection module based on the millimeter wave Doppler radar theory, adopts 60G millimeter wave radar technology to realize the non-contact perception of personnel's breathing rate and heart rate. 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)

 

 

 

FEATURE

● Radar detection based on FMCW signal

● Realize synchronous perception of human respiratory rate and heart rate

● The detection distance of breathing and heartbeat is 0.4-2m

● Low output power, no harm to human body

● It is not affected by temperature, humidity, noise, air flow, dust, light and other environmental factors

● The product supports secondary development and adapts to a variety of scenario

● General UART communication interface, providing general protoco

● Four groups of I\O are reserved, which can be input and output according to user-defined or simple interface simulatio

 

 

 

OPERATING MODE

The beam coverage of radar module is shown in. The radar coverage is a three-dimensional sector area with 80 ° horizontal and 80 ° pitch.

   

Due to the influence of radar beam characteristics, the radar operates far in the normal direction of the antenna surface, but the operating distance deviates from the normal direction of the antenna will become shorter.

When the radar is installed on the top or obliquely, the radar action range will be reduced due to the influence of the radar beam range and effective radiation space, which requires additional attention during use.

 

 

 

 

INSTALLATION METHOD

Radar detection is based on the undulating movement of the large body surface caused by breathing rhythm and the undulation of the human chest and back will become obvious. Therefore, the radar needs to be installed facing the chest or back of the human body.

Based on the radar action mode, the following installation modes are mainly considered: 

(1)  Top-mounted

For people that are bedridden or with sleep needs, it is recommended to install on the top: the radar beam is vertically downward facing the human body, and the center of the radar beam is facing the human chest.

In this installation mode, the distance between the radar and the human body to be measured is required to be ≤ 2m

   

 

(2) Oblique-mounted

When the radar is installed obliquely, it needs to be fixed on the wall or beside the bed. The radar is installed obliquely: the radar beam irradiates the human body obliquely, and the center of the radar beam is facing the chest of the human body.

In this installation mode, the radial distance between the radar and the human body to be measured is required to be ≤ 2m.

   

 

(3) Horizontal-mounted

The radar is installed horizontally, and the radar is fixed on the wall or placed on the desktop: the radar beam irradiates the human body in a positive direction, and the center of the radar beam is facing the chest of the human body.

In this installation mode, the radial distance between the radar and the human body to be measured is required to be ≤ 2m.

   

 

 

 

 

MAIN FUNCTION

1. Detection of breathing

a) Detection distance:

i. 0.4m≤x≤2m//Detection distance between chest and radar antenna surface

b) Accuracy: ≥90%

 

2. Detection of heart rate

a) Detection distance:

i. 0.4m≤x≤2m//Detection distance between chest and radar antenna surface

b) Accuracy: ≥85%

 

3. Perception of presence

a) Detection distance: ≤3m  //Distance between antenna surface and personnel

b) Accuracy: ≥90%

 

4. Detection of movement

a) Motion-triggered

b) Motion direction and position perception

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ELECTRICAL PARAMETERS

1. Detection Angle and Distance

 

Parameters

Min Typ Max Unit

Operating Performance

Detection Distance(Chest) 0.4   2 m
Breathing Measurement Accuracy   90   %
Heartbeat Measurement Accuracy   85   %
Update Time 1   30 s
Observation Establishment Time   20   s

Operating Parameters

Operating Voltage(VCC)

4.6

5

6

V

Operating Current(ICC)   150   mA
Operating Tempreature(TOP) -20   60
Storage Temperature(TST) -40   80

Launch Parameters

Operating Frequency(fTX)

58

60

63.5

GHz

Transmitting Power(Pout)   6   dBm

Antenna Parameters

Antenna Gain(GANT)    4   dBi
Horizontal Beam(-3dB) -40   40  
Vertical Beam(-3dB) -40   40  

 

 

 

 

 

EXTERNAL DIMENSION AND I/O PIN ASSIGNMENT

1. Outline Dimension

   

 

2. Pin Definition

Interface

Pin

Description

Typical

Remark

Interface 1

1

5V

5.0V

Positive end of power input

2 GDN
 
Ground
3 RX
 
Serial port receive
4 TX
 
Serial port send
5 S1 3.3V/0V
 
6 S2 3.3V/0V
 
Interface 2 1 3V3 3.3V Output power supply
2 GND
 
Ground
3 SL
 
Reserve
4 SD
 
Reserve
5 GP1
 
Spare extension pin
6 GP2
 
Spare extension pin
7 GP3
 
Spare extension pin
8 GP4
 
Spare extension pin

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Time of issue:2021-03-01 18:20:56

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