Patent ID: 11885664
Assignee: NVC INDUSTRIAL (HK) CO., LIMITED
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 7:
8. The method for collecting the prone position data of the human body according to claim 1, wherein:
the weight collector is provided with a height measuring rod configured to slide on the height measuring rod to measure the height of the human body when the subject stands on the weight collector;
the contour collector is configured to slide at a bottom of the weight collector, the contour collector includes a measuring plate and a plurality of distance measuring columns distributed on the measuring plate, a protruding head is provided at the top of the distance measuring column, and when the contour collector is pushed to press against the human body, the protruding head of the distance measuring column abuts on the human body, and the length of the distance measuring column is compressed;
the measuring plate is divided into an area A and an area B, and the plurality of the distance measuring columns are arranged on the area A and the area B respectively;
the processing center includes a single-chip micro-computer circuit for distance measurement for the area A, a single-chip micro-computer circuit for distance measurement for the area B, and a single-chip micro-computer of the simulated bed;
the single-chip micro-computer circuit for distance measurement for the area A and the single-chip micro-computer circuit for distance measurement for the area B are set, distance measurement circuit units of the area A are gated by a single-chip micro-computer U1 for the area A one by one, a distance measuring pulse is sent by a 36th pin of the single-chip micro-computer U1 for the area A and a return pulse is received by a 37th pin of the single-chip micro-computer U1 for the area A, and the height of each distance measuring column for the area A is calculated;
distance measurement circuit units of the area B are gated by a single-chip micro-computer U2 for the area B one by one, a distance measuring pulse is sent by a 36th pin of the single-chip micro-computer U2 for the area B and a return pulse is received by a 37th pin of the single-chip micro-computer U2 for the area B, and the height of each distance measuring column for the area B is calculated;
a serial port 1 of the single-chip micro-computer U1 for the area A is connected to a serial port 1 of the single-chip micro-computer U2 for the area B, and the height data of all the distance measuring columns for the area A is transmitted to a memory U11 of the single-chip micro-computer U2 for the area B for storage;
a program module for chip-selecting the distance measuring column for the area A, a program module for initializing the distance measuring column for the area A, a program module for distance measurement for the area A, a program module for displaying distance measurement for the area A, a program module for communication with the area B, and a program module for keyboard management for the area A are loaded in an area A program memory of the single-chip micro-computer U1 for the area A, and each of the above program modules are able to be called and executed by an area A main processor;
a program module for chip-selecting the distance measuring column for the area B, a program module for initializing the distance measuring column for the area B, a program module for distance measurement for the area B, a program module for displaying distance measurement for the area B, a program module for communication with the area A, a program module for keyboard management for the area B, a program module for unified storage, and a program module for communication with an elastic driven board are loaded in an area B program memory of the single-chip micro-computer U2 for the area B, and each of the above program modules are able to be called and executed by an area B main processor;
the elastic column includes a spring, and an initial pressure of a compression amount of the spring is adjusted by driving the spring with a motor;
a program module for communication with the single-chip micro-computer of the simulated bed, a program module for pressure A/D conversion, a program module for motor driving, and a program module for self-detection are loaded in a U4 program memory of a single-chip micro-computer U4 for the elastic column, and each of the above program modules are able to be called and executed by a main processor of the simulated bed;
the simulated bed is provided with a pressure sensor IC6 at the bottom-most of the elastic column, a pressure sensing circuit is configured to output a pressure analog voltage V0 to a circuit for driving a pressure detecting motor of the elastic column, a pin of a port P1 of the single-chip micro-computer U4 for driving detection in the circuit is connected to the pressure analogy pressure V0, a motor is located on the pressure sensor IC6 in the elastic column, and a pressure transmitted through the motor is sensed by the pressure sensor IC6;
the motor is driven by the single-chip micro-computer U4 for driving detection to rotate positively and reversely, thereby controlling the initial pressure of the elastic column;
a chip MAX487 for a RS485 communication interface is provided in a circuit for driving the pressure detecting motor of the elastic column, and the chip MAX487 is connected to a serial port of the single-chip micro-computer U4 for driving detection and a serial port 2 of the single-chip micro-computer U3 of the simulated bed;
a group of interfaces of the single-chip micro-computer U4 for driving detection is connected to a station number setting circuit constituted of DIP switches;
when driving data of the station number is sent from the single-chip micro-computer U3 of the simulated bed, the single-chip micro-computer U4 for driving detection drives the motor to operate according to the driving data and the spring is pressed, and at the same time, a reverse pressure is applied on the sensor IC6, and the pressure sensing circuit outputs an increased pressure voltage V0;
an A/D convertor inside the port P1 of the single-chip micro-computer U4 for driving detection converts an analogy voltage into digital data, and after comparison, when the external data and the local A/D conversion data are approximate each other, the motor stops operating;
when the initial pressure of all the elastic columns have been set, an elasticity display unit connected to the single-chip micro-computer U3 of the simulated bed displays a setting status of the initial pressure of each elastic column, and at this time, the subject experiences comfortability on the simulated bed and makes an improvement requirement subjectively; and
at this time, improvement data is input through an elasticity command keyboard circuit and an elasticity data keyboard circuit, and the initial pressure of the elastic column in a relevant part is changed until the subject is satisfied, and the final data is recorded and stored in a SD card.