CN111770566B - A wireless medical equipment interference suppression system based on synchronous state monitoring - Google Patents

Abstract

The invention discloses a wireless medical equipment interference suppression system based on synchronous state monitoring, and particularly relates to the technical field of wireless communication. According to the invention, the central processing unit acquires accurate signal delay data by comparing the master timer with the slave timer, the suppression of signal interference is improved based on the synchronous state monitoring of the master timer and the slave timer, the interference suppression can be improved by repeating signal broadcasting iteration, the algorithm module can optimize and update the spread spectrum modulation algorithm, compared with the prior art, the signal interference suppression capability of the wireless medical equipment during communication is obviously improved, and the wireless signal optimization efficiency is improved.

Description

A wireless medical equipment interference suppression system based on synchronous state monitoring

technical field

The present invention relates to the technical field of wireless communication, and more particularly, to a wireless medical equipment interference suppression system based on synchronization state monitoring.

Background technique

Medical equipment refers to instruments, equipment, appliances, materials or other items that are used alone or in combination on the human body, and also includes required software. Medical equipment is the most basic element of medical treatment, scientific research, teaching, institutions, and clinical disciplines, including professional medical equipment and household medical equipment.

With the development of China-Intelligent IOT technology, medical equipment adopts multi-wireless communication mode to communicate and network to achieve better maintenance effect. However, since the medical equipment itself generates more signals when working, it will affect the transmission and communication of wireless signals. It can suppress interference very well, which affects the network performance between networking and communication, and cannot meet the high stability required by medical equipment.

SUMMARY OF THE INVENTION

In order to overcome the above-mentioned defects of the prior art, the embodiment of the present invention provides a wireless medical equipment interference suppression system based on synchronous state monitoring. The interference is suppressed, which affects the network performance between networking communications.

In order to achieve the above object, the present invention provides the following technical solutions: a wireless medical equipment interference suppression system based on synchronous state monitoring, comprising a central processing unit and a storage module, the input end of the central processing unit and the output end of the storage module are bidirectionally connected, so The input end of the central processing unit is connected with a receiving module, the input end of the receiving module is bidirectionally connected with a spread spectrum modulation module, the input end of the spread spectrum modulation module is connected with an algorithm module, and the output end of the algorithm module is connected with the input end of the central processing unit connected, the input end of the receiving module receives a slave transmission module, the input end of the slave transmission module is connected with a first-class medical equipment module and a second-class medical equipment module, the output end of the slave transmission module is connected with a slave timer, the The output end of the central processing unit is connected with a main transmission module, the output end of the central processing unit is connected with a proximity module, the input end of the proximity module is connected with a calibration module, the output end of the receiving module is connected with a main timer, and the main timing The output end of the device is connected with the input end of the storage module;

The central processing unit is used to process the sending and receiving signals, the receiving module is used to receive the communication signal transmitted from the transmission module, and the spread spectrum modulation module is used to spread the frequency of the signal received by the receiving module using the spread spectrum modulation algorithm provided by the algorithm module. Adjustment, the algorithm module is used to learn the spread spectrum modulation algorithm to further optimize the adjustment of the wireless signal, the main timer is used to monitor the timing when the receiving module receives the signal, the slave timer is used to receive the signal from the transmission module, and the storage module is used for timing. For storing algorithm and main timer data, the first-class medical equipment module is an important medical device, and the second-class medical device module is an auxiliary medical device.

When the wireless medical equipment needs to communicate, the main communication equipment sends wireless communication signals from the transmission module to the receiving module, and the slave timer starts to monitor the wireless medical equipment and time it. After the receiving module receives the communication signal, it sends the information to Main timer, the main timer performs timing monitoring after receiving the signal. The receiving module simultaneously sends the signal to the spread spectrum modulation module for signal spread spectrum modulation. The modulated signal has a wider signal frequency, which effectively improves the anti-interference ability. And the signal spread spectrum algorithm can be optimized through deep learning of the algorithm module, and gradually improve the signal processing efficiency. The spread spectrum modulation of the receiving module and the demodulation enhancement of the main transmission module can effectively increase the stable wireless signal received by the signal receiving end and meet the needs of signal reception. When the central processing module synchronously monitors the slave timer and master timer of the slave transmission module When the time difference is large, reset the main timer and transmit the signal through the main transmission module again. After receiving the signal from the transmission module, the slave timer is updated. The central processing unit obtains accurate signal delay data by comparing the master timer and the slave timer, and improves the suppression of signal interference based on the synchronization state monitoring of the master timer and the slave timer. Repeated signal broadcasting iteratively improves interference suppression, and the algorithm module can optimize and update the spread spectrum modulation algorithm. At the same time, the proximity module can wirelessly obtain the information of the CPU master timer, and the proximity slave timer can be manually calibrated through the calibration module. Improve the ability to suppress signal interference when wireless medical equipment communicates.

In a preferred embodiment, the main transmission module includes a signal generation unit, a signal enhancement unit and a signal demodulation unit.

In a preferred embodiment, the signal generating unit is used for transmission signal transmission, the signal enhancement unit is used for increasing signal transmission, and the signal demodulation unit is used for demodulating the modulated signal into a first-class medical device and a second-class medical device module Comprehensible signal source.

In a preferred embodiment, the spread spectrum modulation module uses the lora spread spectrum modulation mode, which effectively increases the signal bandwidth.

In a preferred embodiment, the type of medical device module includes a device main body unit, a signal receiving unit and a signal transmitting unit.

In a preferred embodiment, the device main body unit is a medical device main body, the signal receiving unit is used for receiving signals, and the signal transmitting unit is used for transmitting signals.

In a preferred embodiment, the first-class medical device modules and the second-class medical device modules have the same structure, and the first-class medical device modules and the second-class medical device modules are classified to ensure the communication priority of important medical devices and optimize the interference suppression effect.

In a preferred embodiment, the proximity module is an NFC communication module, which is low in cost and convenient.

1. The present invention obtains accurate signal delay data by comparing the master timer and the slave timer through the central processing unit, improves the suppression of signal interference based on the synchronization state monitoring of the master timer and the slave timer, and can repeat the signal broadcast iteration to improve the interference Suppression, and the algorithm module can optimize and update the spread spectrum modulation algorithm, which significantly improves the signal interference suppression capability during wireless medical equipment communication compared with the prior art, and improves the wireless signal optimization efficiency;

2. In the present invention, after receiving the main timer information of the central processing unit through the communication signal by setting the proximity module, it can contact the main transmission module and the slave transmission module through its own NFC to perform signal calibration, so as to avoid the long-term fluctuation of signal transmission affecting the first class. The working status of the medical equipment module and the second-class medical equipment module is stable, and the correction ability is improved.

Description of drawings

FIG. 1 is a schematic diagram of the system structure of the present invention.

FIG. 2 is a schematic structural diagram of the main transmission module of the present invention.

FIG. 3 is a schematic structural diagram of a type of medical equipment module of the present invention.

Reference numerals are: 1 central processing unit, 2 receiving module, 3 spread spectrum modulation module, 4 algorithm module, 5 master transmission module, 501 signal generation unit, 502 signal enhancement unit, 503 signal demodulation unit, 6 slave transmission module, 7 slave timers, 8 first-class medical equipment modules, 801 equipment main unit, 802 signal receiving units, 803 signal sending units, 9 second-class medical equipment modules, 10 storage modules, 11 master timers, 12 proximity modules, 13 calibration modules .

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

The present invention provides a wireless medical equipment interference suppression system based on synchronous state monitoring, comprising a central processing unit 1 and a storage module 10, the input end of the central processing unit 1 and the output end of the storage module 10 are bidirectionally connected, and the central processing unit 1 1. The input end is connected with a receiving module 2, the input end of the receiving module 2 is bidirectionally connected with a spread spectrum modulation module 3, the input end of the spread spectrum modulation module 3 is connected with an algorithm module 4, and the output end of the algorithm module 4 is connected to the central processing unit. The input end of the device 1 is connected to the input end of the receiving module 2, the input end of the receiving module 2 receives the slave transmission module 6, and the input end of the slave transmission module 6 is connected with a first-class medical equipment module 8 and a second-class medical device module 9, and the slave transmission module 6 The output end is connected with the slave timer 7, the output end of the central processing unit 1 is connected with the main transmission module 5, the output end of the central processing unit 1 is connected with the proximity module 12, and the input end of the proximity module 12 is connected with the calibration module 13 , the output end of the receiving module 2 is connected with a main timer 11, and the output end of the main timer 11 is connected with the input end of the storage module 10;

The central processing unit 1 is used to process the sending and receiving signals, the receiving module 2 is used to accept the communication signal transmitted from the transmission module 6, and the spread spectrum modulation module 3 is used to use the spread spectrum modulation algorithm provided by the algorithm module 4 to accept the receiving module. The frequency of the signal is adjusted by spread spectrum, the algorithm module 4 is used to learn the spread spectrum modulation algorithm to further optimize the adjustment of the wireless signal, the main timer 11 is used for timing monitoring when the receiving module 2 receives the signal, and the slave timer 7 is used to receive When timing the signal from the transmission module 6, the storage module 10 is used to store the algorithm and the data of the master timer 11. The first-class medical equipment module 8 is an important medical device, and the second-class medical device module 9 is an auxiliary medical device.

The main transmission module 5 includes a signal generation unit 501, a signal enhancement unit 502 and a signal demodulation unit 503. The signal generation unit 501 is used for transmission signal transmission, the signal enhancement unit 502 is used to increase signal transmission, and the signal demodulation unit 503 is used to demodulate the modulated signal into a signal source that can be understood by the first-class medical equipment and the second-class medical device module 9, the spread spectrum modulation module 3 uses the lora spread spectrum modulation mode, and the first-class medical equipment module 8 includes a device body. Unit 801, signal receiving unit 802 and signal sending unit 803, the device main body unit 801 is the main body of the medical device, the signal receiving unit 802 is used for receiving signals, the signal sending unit 803 is used for sending signals, the one type of medical device module 8 The structure is the same as that of the second-class medical device module 9, and the first-class medical device module 8 and the second-class medical device module 9 are classified to ensure the communication priority of important medical devices and optimize the interference suppression effect.

As shown in Figures 1-3, the specific implementation is as follows: when the wireless medical equipment needs to communicate, the main communication equipment sends a wireless communication signal from the transmission module 6 to the receiving module 2, and starts to monitor the wireless medical equipment from the timer 7 at this time. After receiving the communication signal, the receiving module 2 sends the information to the main timer 11, the main timer 11 monitors the timing after receiving the signal, and the receiving module 2 simultaneously sends the signal to the spread spectrum modulation module 3 for signal processing. Spread spectrum modulation, the modulated signal has a wider signal frequency, which can effectively improve the anti-interference ability, and the signal spread spectrum algorithm can be optimized after deep learning through the algorithm module 4, and gradually improve the signal processing efficiency, and the signal is stored by the central processing unit 1. After the module 10 is stored, it is demodulated by the main transmission module 5 and then enhanced by the signal enhancement unit 502, and then transmitted to the receiving signal end. The spread spectrum modulation of the receiving module 2 and the demodulation enhancement of the main transmission module 5 can effectively increase the reception of the signal at the receiving end. To stabilize the wireless signal and meet the needs of signal reception, when the central processing module synchronously monitors that the time difference between the slave timer 7 of the slave transmission module 6 and the master timer 11 is large, reset the master timer 11 and pass the master transmission module again. 5. Transmission signal, the first-class medical equipment module 8 and the second-class medical equipment module 9 receive the signal transmitted by the main transmission module 5, send a feedback signal to the slave transmission module 6, and update the slave timer 7 after receiving the signal from the transmission module 6 , the CPU 1 obtains accurate signal delay data by comparing the master timer 11 and the slave timer 7, and improves the suppression of signal interference based on the synchronization state monitoring of the master timer 11 and the slave timer 7, and iteratively improves the broadcast of repeated signals. Interference suppression, and the algorithm module 4 can optimize and update the spread spectrum modulation algorithm. At the same time, the proximity module 12 can wirelessly obtain the information of the master timer 11 of the central processing unit 1, and manually calibrate by the proximity slave timer 7 through the calibration module 13. Significantly Improve the signal interference suppression capability during wireless medical equipment communication to meet the needs of use.

The output end of the central processing unit 1 is connected with a proximity module 12 , and the input end of the proximity module 12 is connected with a calibration module 13 . The proximity module 12 is an NFC communication module, which is low in cost and convenient.

As shown in Figures 1-2, the specific implementation is as follows: after the proximity module 12 receives the information of the main timer 11 of the central processing unit 1 through a communication signal, it can contact the main transmission module 5 and the slave transmission module 6 through its own NFC close proximity to signal Calibration avoids the long-term fluctuation of signal transmission affecting the stability of the working state of the first-class medical equipment module 8 and the second-class medical equipment module 9, and improves the correction ability.

The working principle of the present invention:

Referring to the accompanying drawings 1-3 of the description, when the wireless medical equipment needs to communicate, the main communication equipment sends a signal from the transmission module 6 to the receiving module 2, and the timer 7 starts to monitor the wireless medical equipment at this time, and the receiving module 2 receives the signal. The modulated signal is stored in the storage module 10 of the central processing unit 1 and then demodulated and enhanced by the main transmission module 5, and then transmitted to the receiving signal terminal. When the central processing module monitors the time difference from the timer 7 of the transmission module 6 When it is larger, reset the main timer 11 and transmit the signal through the main transmission module 5 again. After the medical equipment module receives the signal transmitted by the main transmission module 5, it sends a feedback signal to the slave transmission module 6 and receives the signal from the transmission module 6. After updating the slave timer 7, the CPU 1 obtains accurate signal delay data by comparing the master timer 11 and the slave timer 7, and improves the suppression of signal interference based on the synchronization state monitoring of the master timer 11 and the slave timer 7, and can Repeated signal broadcasting iteratively improves interference suppression, and the algorithm module 4 can optimize and update the spread spectrum modulation algorithm, which significantly improves the signal interference suppression capability during wireless medical equipment communication compared with the prior art, and meets the needs of use;

Referring to Figures 1-2 of the description, after the proximity module 12 receives the information of the main timer 11 of the central processing unit 1 through the communication signal, it can contact the main transmission module 5 and the slave transmission module 6 through its own NFC close proximity to perform signal calibration to avoid signal transmission. The long-term fluctuation affects the stability of the working state of the first-class medical equipment module 8 and the second-class medical equipment module 9, and improves the correction ability.

The last points to be noted are: First of all, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, and may be mechanical connection. or electrical connection, or internal communication between two components, or direct connection, "up", "down", "left", "right", etc. are only used to indicate relative positional relationship, when the absolute position of the object being described changes, the relative positional relationship may change;

Secondly: in the drawings of the disclosed embodiments of the present invention, only the structures involved in the embodiments of the present disclosure are involved, other structures may refer to the general design, and the same embodiment and different embodiments of the present invention can be combined with each other under the condition of no conflict;

Finally: the above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the present invention. within the scope of protection.

Claims (4)

1. A wireless medical equipment interference suppression system based on synchronous state monitoring comprises a central processing unit (1) and a storage module (10), and is characterized in that: the input end of the central processing unit (1) is bidirectionally connected with the output end of the storage module (10), the input end of the central processing unit (1) is connected with the receiving module (2), the input end of the receiving module (2) is bidirectionally connected with the spread spectrum modulation module (3), the input end of the spread spectrum modulation module (3) is connected with the algorithm module (4), the output end of the algorithm module (4) is connected with the input end of the central processing unit (1), the input end of the receiving module (2) receives the slave transmission module (6), the input end of the slave transmission module (6) is connected with the first-class medical equipment module (8) and the second-class medical equipment module (9), the output end of the slave transmission module (6) is connected with the slave timer (7), the output end of the central processing unit (1) is connected with the master transmission module (5), and the output end of the central processing unit (1) is connected with the approach module (12), the input end of the proximity module (12) is connected with a calibration module (13), the output end of the receiving module (2) is connected with a main timer (11), and the output end of the main timer (11) is connected with the input end of the storage module (10);

the central processing unit (1) is used for processing a transmitting and receiving signal, the receiving module (2) is used for receiving a communication signal transmitted from the transmitting module (6), the spread spectrum modulation module (3) is used for carrying out spread spectrum adjustment on the frequency of the signal received by the receiving module (2) by using a spread spectrum modulation algorithm provided by the algorithm module (4), the algorithm module (4) is used for learning the spread spectrum modulation algorithm and further optimizing adjustment of the wireless signal, the master timer (11) is used for carrying out timing monitoring when the receiving module (2) receives the signal, the slave timer (7) is used for carrying out timing when the slave transmitting module (6) receives the signal, the storage module (10) is used for storing the algorithm and data of the master timer (11), one type of medical equipment module (8) is an important medical equipment, and the second type of medical equipment module (9) is an auxiliary medical equipment;

the medical device module (8) of one type comprises a device main body unit (801), a signal receiving unit (802) and a signal sending unit (803); the device main body unit (801) is a medical device main body, the signal receiving unit (802) is used for receiving signals, and the signal transmitting unit (803) is used for transmitting signals; the first-class medical equipment module (8) and the second-class medical equipment module (9) have the same structure; the proximity module (12) is an NFC communication module.

2. The wireless medical device interference suppression system based on synchronous state monitoring according to claim 1, wherein: the main transmission module (5) comprises a signal generation unit (501), a signal enhancement unit (502) and a signal demodulation unit (503).

3. The wireless medical device interference suppression system based on synchronous status listening of claim 2, wherein: the signal generating unit (501) is used for transmitting signals for transmission, the signal enhancing unit (502) is used for enhancing the signals for transmission, and the signal demodulating unit (503) is used for demodulating the modulation signals into signal sources which can be understood by the first-class medical equipment module (8) and the second-class medical equipment module (9).

4. The wireless medical device interference suppression system based on synchronous status listening of claim 1, wherein: the spread spectrum modulation module (3) uses a lora spread spectrum modulation mode.

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