CN216060499U - Vital sign monitoring camera system based on millimeter wave radar - Google Patents
Vital sign monitoring camera system based on millimeter wave radar Download PDFInfo
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Abstract
本实用新型提供一种基于毫米波雷达的生命体征监测摄像头系统，包括：毫米波雷达模块、光学摄像头模块、主控板、音频模块、存储模块、转动组件、通讯模块和电源模块；毫米波雷达模块用于发射电磁波和接收回波信号，并根据回波信号判断人体运动幅度、呼吸频率和心跳频率；光学摄像头模块用于通过光学成像获取图像信息；主控板用于处理回波信号和图像信息；音频模块用于音频信号的输出和输入；存储模块用于存储回波信号、图像信息和音频信号；转动组件用于驱动毫米波雷达模块和光学摄像头模块转动，通过毫米波雷达模块和光学摄像头模块的转动实现全方位的监测。本实用新型采用非接触式生命体征监测，能够进行全方位监测，具有更好的监测效果。
The utility model provides a vital sign monitoring camera system based on a millimeter wave radar, comprising: a millimeter wave radar module, an optical camera module, a main control board, an audio module, a storage module, a rotating component, a communication module and a power supply module; the millimeter wave radar The module is used to transmit electromagnetic waves and receive echo signals, and judge the amplitude of human motion, breathing frequency and heartbeat frequency according to the echo signals; the optical camera module is used to obtain image information through optical imaging; the main control board is used to process echo signals and images Information; audio module is used for output and input of audio signal; storage module is used to store echo signal, image information and audio signal; rotating component is used to drive millimeter wave radar module and optical camera module to rotate, through millimeter wave radar module and optical The rotation of the camera module realizes all-round monitoring. The utility model adopts non-contact vital sign monitoring, can carry out all-round monitoring, and has better monitoring effect.
Description
Technical Field
The utility model relates to the technical field of vital sign monitoring, in particular to a vital sign monitoring camera system based on a millimeter wave radar.
Background
With the improvement of economic level and the development of scientific technology, the requirements of people on health and safety are higher and higher. Particularly, when the system is used for daily monitoring and nursing of special people such as the elderly, infants, patients and the like, the vital sign states of the people can be monitored more conveniently and effectively, and the real-time non-contact human body state monitoring system is particularly important.
Most of the traditional vital sign monitoring devices adopt contact monitoring, such as a respiratory monitor, an electrocardiograph monitor and the like, and need to be attached to a human body by using an electrode plate or a finger clip type sensor, and vital sign values such as respiration and heart rate are obtained after signal amplification. Although the accuracy of the contact monitoring instrument is high, wearing the contact device for a long time brings discomfort to the user, limits the range of motion of the user, and is expensive.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a vital sign monitoring camera system based on millimeter wave radar to solve the above technical problems.
A vital sign monitoring camera system based on millimeter wave radar comprises: the device comprises a millimeter wave radar module, an optical camera module, a main control board, an audio module, a storage module, a rotating assembly, a communication module and a power module; the millimeter wave radar module, the optical camera module, the audio module, the storage module, the rotating assembly, the communication module and the power supply module are all connected with the main control board; the millimeter wave radar module is used for transmitting electromagnetic waves and receiving echo signals, and judging the motion amplitude, the breathing frequency and the heartbeat frequency of the human body according to the echo signals; the optical camera module is used for acquiring image information through optical imaging; the main control board is used for processing the echo signals and the image information; the audio module is used for outputting and inputting audio signals; the storage module is used for storing the echo signal, the image information and the audio signal; the rotating assembly is used for driving the millimeter wave radar module and the optical camera module to rotate, and the rotation of the millimeter wave radar module and the optical camera module realizes the omnibearing monitoring; the communication module is used for data communication; the power supply module is used for supplying power.
Furthermore, the millimeter wave radar module comprises an antenna, a radio frequency front-end processing unit and a digital signal processing unit; the antenna and the radio frequency front-end processing unit are both connected with the digital signal processing unit; the digital signal processing unit is used for mixing and filtering the echo signals.
Furthermore, the optical camera module comprises a ball head shell, a bottom shell, an optical lens unit and an infrared unit; the millimeter wave radar module, the optical lens unit and the infrared unit are all arranged in the ball head shell, the ball head shell is arranged on the bottom shell and can be driven by the rotating assembly to rotate horizontally and vertically, and comprehensive monitoring is achieved; the optical lens unit and the infrared unit are both arranged in the ball head shell and used for infrared imaging to acquire image information.
Furthermore, the main control board comprises a motor driving chip, and the rotating assembly is driven to move through the motor driving chip.
Furthermore, the audio module comprises a loudspeaker and a microphone; the loudspeaker is used for outputting audio signals; the microphone is used for audio signal input.
Furthermore, the storage module comprises a Flash storage chip and an SD card slot, and the Flash storage chip is used for circularly replacing and storing data; the SD card slot is used for inserting an SD card.
Furthermore, the rotating assembly comprises a vertical motor, a rotating bracket and a horizontal motor; the vertical motor is fixed in the ball head shell and used for driving the ball head shell to vertically move; the rotating bracket is fixed with the ball head shell; the horizontal motor is fixed on the bottom shell and connected with the rotating support, the rotating support is driven to rotate by the horizontal motor, and the ball head shell is driven to rotate by the rotating support so as to realize horizontal movement.
Further, the vertical motor can drive the ball head shell to vertically rotate 39 degrees, the upward rotation angle is 27 degrees, and the downward rotation angle is 12 degrees; the horizontal motor can drive the ball head shell to horizontally rotate 330 degrees.
Further, the communication module is a WIFI module, and the echo signal, the motor control signal, the image information and the audio signal are transmitted through the WIFI module.
Compared with the prior art, the utility model has the advantages and beneficial effects that:
1. the utility model can monitor the vital signs of the measurement target in a non-contact way, thereby facilitating the normal activity of the measurement target and eliminating the uncomfortable feeling.
2. The utility model can realize omnibearing monitoring through the matching of the rotating assembly and the optical camera module, and has better monitoring effect.
Drawings
Fig. 1 is a schematic structural diagram of a vital sign monitoring camera system based on a millimeter wave radar in an embodiment;
fig. 2 is a schematic structural view of the optical camera module of fig. 1;
fig. 3 is a schematic view of an application scenario of the vital sign monitoring camera system based on the millimeter wave radar in an embodiment.
In the drawing, the millimeter wave radar module 10, the optical camera module 20, the ball head housing 21, the bottom case 22, the main control board 30, the audio module 40, the storage module 50, the rotating assembly 60, the communication module 70, and the power module 80.
Detailed Description
In order that the utility model may be more clearly understood, the following detailed description of the utility model is given with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
With reference to fig. 1 and fig. 2, a vital signs monitoring camera system based on millimeter wave radar is provided, which includes: the millimeter wave radar module 10, the optical camera module 20, the main control board 30, the audio module 40, the storage module 50, the rotating assembly 60, the communication module 70 and the power module 80; the millimeter wave radar module 10, the optical camera module 20, the audio module 40, the storage module 50, the rotating assembly 60, the communication module 70 and the power module 80 are all connected with the main control board 30; the millimeter wave radar module 10 is used for transmitting electromagnetic waves and receiving echo signals, and judging the motion amplitude, the respiratory frequency and the heartbeat frequency of the human body according to the echo signals; the optical camera module 20 is used for acquiring image information through optical imaging; the main control board 30 is used for processing echo signals and image information; the audio module 40 is used for outputting and inputting audio signals; the storage module 50 is used for storing echo signals, image information and audio signals; the rotating assembly 60 is used for driving the millimeter wave radar module 10 and the optical camera module 20 to rotate, and the rotation of the millimeter wave radar module 10 and the optical camera module 20 realizes the omnibearing monitoring; the communication module 70 is used for data communication; the power module 80 is used for supplying power.
In the present embodiment, the millimeter wave radar module 10 is configured to transmit electromagnetic waves and receive echo signals, and determine the motion amplitude, the respiratory frequency, and the heartbeat frequency of the human body according to the echo signals; the optical camera module 20 is used for acquiring image information through optical imaging; the main control board 30 is used for processing echo signals and image information; the audio module 40 is used for outputting and inputting audio signals; the storage module 50 is used for storing echo signals, image information and audio signals; the rotating assembly 60 is used for driving the millimeter wave radar module 10 and the optical camera module 20 to rotate, and the rotation of the millimeter wave radar module 10 and the optical camera 20 realizes the omnibearing monitoring; communication module is used for data communication, and power module is used for the power supply, has realized non-contact's vital sign monitoring, and reduction equipment cost eliminates user's uncomfortable sense, can realize omnidirectional monitoring simultaneously, has better monitoring effect, can realize bigger monitoring range through the equipment fixing still less.
The millimeter wave radar module 10 includes an antenna, a radio frequency front end processing unit and a digital signal processing unit; the antenna and the radio frequency front-end processing unit are both connected with the digital signal processing unit; the digital signal processing unit is used for mixing and filtering the echo signals.
Specifically, the radio frequency front-end processing unit sends out electromagnetic waves or receives echo signals through the antenna, and the echo signals are mixed and filtered through the digital processing unit. In addition, the digital processing signal can detect vibration and displacement through the phase change of the echo signal, and judge the motion amplitude of the human body after further filtering, thereby achieving the effect of monitoring the vital signs of the human body. Meanwhile, the flight time of the electromagnetic wave can be determined by measuring the frequency shift change of the echo signal, so that the distance from the measuring target can be judged.
Specifically, the breathing frequency of a common adult is 0.1-0.5Hz, the corresponding forward amplitude is about 1-12 mm, and the backward amplitude is about 0.1-0.5 mm; the adult heartbeat frequency is 0.8-2.0 Hz, the corresponding forward detection is about 0.1-0.5 mm, and the backward amplitude is about 0.01-0.2 mm, so that the respiratory frequency and the heartbeat frequency of a human body can be judged through the vibration amplitude of the thoracic cavity and the abdominal part of a measurement target.
The optical camera module 20 includes a ball head housing 21, a bottom shell 22, an optical lens unit and an infrared unit; the millimeter wave radar module 10, the optical lens unit and the infrared unit are all arranged in the ball head shell 21, the ball head shell 21 is arranged on the bottom shell 22, and can be driven by the rotating assembly 60 to rotate horizontally and vertically, so that comprehensive monitoring is realized; the optical lens unit and the infrared unit are both arranged in the ball head shell 21 and used for infrared imaging to acquire image information.
Specifically, the millimeter wave radar module 10, the optical lens unit and the infrared unit are arranged in the ball head shell 21, the ball head shell 21 is arranged on the bottom shell 22 and can be driven by the rotating assembly 60 to rotate horizontally and vertically, so that the millimeter wave radar module 10 and the optical lens unit are driven to rotate, and comprehensive monitoring is realized; in addition, infrared night vision can be realized through the cooperation of optical lens unit and infrared unit, normal operating under low light and no light environment.
The main control board 30 includes a motor driving chip, and the rotating assembly 60 is driven to rotate by the motor driving chip.
Specifically, the main control board 30 includes a motor driving chip, and the motor driving chip drives the rotation assembly 60 to rotate, so as to rotate the ball head housing 21.
The audio module 40 includes a speaker and a microphone, and the speaker is used for outputting audio signals; the microphone is used for audio signal input.
Specifically, the audio module 40 can realize output and input of an audio signal through a speaker and a microphone. Wherein, the horn adopts an 8 omega 1W horn.
The storage module 50 comprises a Flash storage chip and an SD card slot, wherein the Flash storage chip is used for circularly replacing and storing data; the SD card slot is used for inserting an SD card.
Specifically, the storage module 50 includes a Flash storage chip, and is configured to store the echo signal, the image information, and the audio signal in a certain period, and when the storage space is full, the echo signal, the image information, and the audio signal can be replaced according to a time cycle, and historical information can be deleted. Meanwhile, an SD card slot is formed for inserting an SD card, and more pictures and video information can be stored through the SD card.
Wherein, the rotating assembly 60 comprises a vertical motor, a rotating bracket and a horizontal motor; the vertical motor is fixed in the ball head shell 21 and used for driving the ball head shell 21 to vertically move; the rotating bracket is fixed with the ball head shell 21; the horizontal motor is fixed on the bottom shell 22 and connected with the rotating support, the horizontal motor drives the rotating support to rotate, and the rotating support drives the ball head shell 21 to rotate so as to realize horizontal movement.
Specifically, the rotating assembly 60 includes a vertical motor, a rotating bracket and a horizontal motor, and the vertical motor is fixed in the ball head housing 21 and used for driving the ball head housing 21 to move vertically; the rotating bracket is fixed with the ball head shell 21; horizontal motor fixes on drain pan 22, and is connected with runing rest, and horizontal motor drive U type ann hui changes the support rotation, and runing rest drives bulb casing 21 rotatory, realizes horizontal motion to can drive optical lens unit and millimeter wave radar module 10 rotatory, realize omnidirectional monitoring.
The vertical motor can drive the ball head shell 21 to vertically rotate 39 degrees, upwards rotate 27 degrees and downwards rotate 12 degrees; the horizontal motor can drive the ball head shell 21 to horizontally rotate 330 degrees.
Specifically, the angle between the horizontal direction and the vertical direction can be limited to realize the size of the angular rotation, wherein the vertical motor can drive the ball head housing 21 to rotate 39 degrees in the vertical direction, upwards rotate 27 degrees and downwards rotate 12 degrees; the horizontal motor can drive the ball head shell 21 to rotate 330 degrees in the horizontal direction.
Specifically, communication module 70 may adopt a WIFI connection mode to transmit echo signals, motor control signals, image information, and audio signals.
As shown in fig. 3, in an embodiment, a vital sign monitoring camera system based on a millimeter wave radar is connected with a client through a server, so that the vital sign of a measurement target can be viewed on the client in real time. After the communication module 70 is connected with the server for communication, the millimeter radar wave module 10 uploads the information such as respiratory rate, heart rate and motion data of the measurement target to the server in real time, and the client can monitor the vital sign information of the measurement target in real time according to the corresponding information.
Meanwhile, the client can control the rotating assembly 60 to control the ball head shell 21 to rotate, so that omnibearing monitoring is realized; and the function of the electronic fence can be set, the monitoring range of the electronic fence is set, and when the millimeter wave radar module 10 detects that no electronic fence is in the range, the alarm information can be sent.
In addition, the client can set a normal range for data such as respiratory rate, heart rate and motion data, and sends alarm information when detecting that the related information of the measurement target exceeds the normal range.
Specifically, the acquired data information can be subjected to partial data desensitization collection through the server, the collected data are stored in the server for algorithm training, and the client can call a radar algorithm through an AI algorithm library.
The present invention is described in further detail with reference to specific embodiments, and the specific embodiments are not to be considered as limited to the description. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.
Claims (9)
1. The utility model provides a vital sign monitoring camera system based on millimeter wave radar which characterized in that includes: the device comprises a millimeter wave radar module, an optical camera module, a main control board, an audio module, a storage module, a rotating assembly, a communication module and a power module; the millimeter wave radar module, the optical camera module, the audio module, the storage module, the rotating assembly, the communication module and the power supply module are all connected with the main control board; the millimeter wave radar module is used for transmitting electromagnetic waves and receiving echo signals, and judging the motion amplitude, the breathing frequency and the heartbeat frequency of the human body according to the echo signals; the optical camera module is used for acquiring image information through optical imaging; the main control board is used for processing the echo signals and the image information; the audio module is used for outputting and inputting audio signals; the storage module is used for storing the echo signal, the image information and the audio signal; the rotating assembly is used for driving the millimeter wave radar module and the optical camera module to rotate, and the rotation of the millimeter wave radar module and the optical camera module realizes the omnibearing monitoring; the communication module is used for data communication; the power supply module is used for supplying power.
2. The vital sign monitoring camera system based on the millimeter wave radar as claimed in claim 1, wherein the millimeter wave radar module comprises an antenna, a radio frequency front end processing unit and a digital signal processing unit; the antenna and the radio frequency front-end processing unit are both connected with the digital signal processing unit; the digital signal processing unit is used for mixing and filtering the echo signals.
3. The millimeter wave radar-based vital signs monitoring camera system as claimed in claim 1, wherein the optical camera module comprises a ball head housing, a bottom shell, an optical lens unit and an infrared unit; the millimeter wave radar module, the optical lens unit and the infrared unit are all arranged in the ball head shell, the ball head shell is arranged on the bottom shell and can be driven by the rotating assembly to rotate horizontally and vertically, and comprehensive monitoring is achieved; the optical lens unit and the infrared unit are both arranged in the ball head shell and used for infrared imaging to acquire image information.
4. The vital sign monitoring camera system based on the millimeter wave radar as claimed in claim 1, wherein the main control board comprises a motor driving chip, and the rotating assembly is driven to move by the motor driving chip.
5. The millimeter wave radar-based vital signs monitoring camera system as claimed in claim 1, wherein the audio module comprises a speaker and a microphone; the loudspeaker is used for outputting audio signals; the microphone is used for audio signal input.
6. The vital sign monitoring camera system based on the millimeter wave radar as claimed in claim 1, wherein the storage module comprises a Flash memory chip and an SD card slot, and the Flash memory chip is used for cyclically replacing stored data; the SD card slot is used for inserting an SD card.
7. The millimeter wave radar-based vital sign monitoring camera system of claim 3, wherein the rotating assembly comprises a vertical motor, a rotating bracket and a horizontal motor; the vertical motor is fixed in the ball head shell and used for driving the ball head shell to vertically move; the rotating bracket is fixed with the ball head shell; the horizontal motor is fixed on the bottom shell and connected with the rotating support, the rotating support is driven to rotate by the horizontal motor, and the ball head shell is driven to rotate by the rotating support so as to realize horizontal movement.
8. The millimeter wave radar-based vital sign monitoring camera system of claim 7, wherein the vertical motor can drive the ball housing to rotate vertically 39 °, an upward rotation angle of 27 °, and a downward rotation angle of 12 °; the horizontal motor can drive the ball head shell to horizontally rotate 330 degrees.
9. The millimeter wave radar-based vital sign monitoring camera system according to claim 1, wherein the communication module is a WIFI module, and the echo signal, the motor control signal, the image information and the audio signal are transmitted through the WIFI module.
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| CN202121457702.4U CN216060499U (en) | 2021-06-29 | 2021-06-29 | Vital sign monitoring camera system based on millimeter wave radar |
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| CN202121457702.4U CN216060499U (en) | 2021-06-29 | 2021-06-29 | Vital sign monitoring camera system based on millimeter wave radar |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114732367A (en) * | 2022-04-24 | 2022-07-12 | 中国中医科学院中医药信息研究所 | Traditional Chinese medicine inspection diagnosis equipment of composite millimeter wave radar |
| CN114903469A (en) * | 2022-04-19 | 2022-08-16 | 美的集团(上海)有限公司 | Vital sign monitoring method and device |
| CN115251941A (en) * | 2022-09-05 | 2022-11-01 | 贵州省通信产业服务有限公司 | A dual-protocol communication human vital sign monitoring device |
| WO2024041091A1 (en) * | 2022-08-23 | 2024-02-29 | 德沃康科技集团有限公司 | Millimeter wave detection apparatus, installation structure, control system, seat, and control method |
-
2021
- 2021-06-29 CN CN202121457702.4U patent/CN216060499U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114903469A (en) * | 2022-04-19 | 2022-08-16 | 美的集团(上海)有限公司 | Vital sign monitoring method and device |
| CN114732367A (en) * | 2022-04-24 | 2022-07-12 | 中国中医科学院中医药信息研究所 | Traditional Chinese medicine inspection diagnosis equipment of composite millimeter wave radar |
| WO2024041091A1 (en) * | 2022-08-23 | 2024-02-29 | 德沃康科技集团有限公司 | Millimeter wave detection apparatus, installation structure, control system, seat, and control method |
| CN115251941A (en) * | 2022-09-05 | 2022-11-01 | 贵州省通信产业服务有限公司 | A dual-protocol communication human vital sign monitoring device |
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