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Method for sending data to upper computer from lower computer of breathing machine and breathing machine

A technology for sending data and lower-level computers, applied in the field of ventilators, can solve problems such as misjudgment of patients' breathing conditions, packet loss, and data loss, and achieve the effect of improving CPU utilization

Inactive Publication Date: 2019-06-28
BEIJING AEONMED
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the ventilator, when the data transmission is delayed or there is an error, there will be packet loss or data loss, which will cause medical staff to misjudge the patient's breathing situation, which is a situation that is tried to avoid in reality

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0040] The following are examples of the present invention, which are only used to explain the present invention rather than limit it.

[0041] The invention provides a method for a lower computer to send data to an upper computer, the method sends data through a serial port, and the method includes:

[0042] Set a buffer in the lower computer, the lower computer writes data to the buffer in real time or regularly, the lower computer will query the data in the buffer every time T2, and send it to the upper computer through the serial port;

[0043] The writing of the data is continuous writing or intermittent writing.

[0044] The data can be written in real time or at regular intervals, and the specific data writing method can be set according to the actually selected ventilator or actual needs.

[0045] As a better choice of the above method, the lower computer saves the data to be sent into the buffer and further includes the step of querying the size of the data available...

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Abstract

The invention discloses a method for sending data to an upper computer from a lower computer. The method comprises the step of sending data through a serial port and is characterized in that a bufferregion is arranged at the lower computer, the lower computer writes in data to the buffer region in real time or regularly, the data inside the buffer region is inquired by the lower computer at the time intervals T2, and the data is sent to the upper computer through the serial port; writing-in of the data is continuous or intermittent writing-in. CPU waiting can be avoided, the CPU occupation rate is lowered, and no data is lost.

Description

technical field [0001] The invention belongs to the field of ventilator communication control, and in particular relates to a method for sending data from a lower computer of the ventilator to the upper computer and the ventilator. Background technique [0002] There are often multiple single-chip peripheral devices in the existing ventilator, which need to communicate with the single-chip microcomputer of the ventilator through the serial interface of the single-chip microcomputer in the ventilator. For example, the oxygen flow sensor and the air flow sensor need to be connected to the serial interface of the single-chip microcomputer in the ventilator, which is used to read the internal calibration data of the sensor when the user system is powered on. Other single-chip peripherals also need to pass through the single-chip microcomputer in the ventilator. Serial interface for data transmission. [0003] The applicant once proposed a corresponding improvement method for th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M16/00H04L29/08
Inventor 成杰
Owner BEIJING AEONMED
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