CN111450369A - Newborn breathing sensing system with falling detection alarm function and sensing method - Google Patents
Newborn breathing sensing system with falling detection alarm function and sensing method Download PDFInfo
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- CN111450369A CN111450369A CN202010319596.7A CN202010319596A CN111450369A CN 111450369 A CN111450369 A CN 111450369A CN 202010319596 A CN202010319596 A CN 202010319596A CN 111450369 A CN111450369 A CN 111450369A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0051—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes with alarm devices
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/14—Detection of the presence or absence of a tube, a connector or a container in an apparatus
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3327—Measuring
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2230/00—Measuring parameters of the user
- A61M2230/40—Respiratory characteristics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2240/00—Specially adapted for neonatal use
Abstract
The invention belongs to the technical field of medical monitoring, and discloses a neonatal respiration sensing system with a falling detection alarm function and a sensing method, wherein the neonatal respiration sensing system with the falling detection alarm function is provided with a sound monitoring module, a parameter presetting module, a central control module, a sound information analysis module, a first alarm module, a pressure monitoring module, an adjusting module, a respiration monitoring module, a signal amplification module, a filtering module, a signal conversion module, a respiration information analysis module and a second alarm module; the neonatal respiration sensing method with the falling detection alarm comprises the steps of monitoring and analyzing the volume of a newborn; measuring and adjusting pressure information of a contact part of the respirator; monitoring the respiration intensity; amplifying and filtering the respiration intensity signal; carrying out signal conversion; analysis of the respiratory intensity data was performed. The invention amplifies and filters the signal, has better monitoring effect on the respiration and more accurate detection on the falling of the respirator.
Description
Technical Field
The invention belongs to the technical field of medical monitoring, and particularly relates to a neonatal respiration sensing system with a falling detection alarm function and a sensing method.
Background
Currently, respiration rate is a measure of the number of breaths a person has per minute and is a key vital sign in a human subject, and spirometry is a measure of lung volume or lung volume in a human subject. Deterioration of respiratory function may result in a decrease or increase in these metrics. Measurements outside or close to the boundaries of the predetermined physiological normal value are a pre-indicator of harmful and fatal onset of illness in human subjects. To the relatively poor neonate of vital sign, need use the respirator to carry out the assisted respiration, but current respirator can't realize the accurate detection to the neonate breathing condition to do not drop the setting of reporting to the police, aggravate medical personnel's nurse burden.
Through the above analysis, the problems and defects of the prior art are as follows: the accurate detection to the neonate's breathing condition can't be realized to current respirator to do not drop the setting of reporting to the police, aggravate medical personnel's nurse burden.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a neonatal respiration sensing system with a falling detection alarm function and a sensing method.
The invention is realized in such a way that the neonatal respiration sensing method with the falling detection alarm comprises the following steps:
it is another object of the present invention to provide a method of sensing neonatal respiration with a dropout detection alarm, comprising the steps of:
monitoring the volume of a newborn through an acoustic sensor, and acquiring time series data information of more than M pieces of 3 rd information, wherein the 1 st information of the volume information of the newborn and the 2 nd information of a time observation point of the 1 st information are mutually corresponding, wherein M is a natural number more than 3;
a second step of calculating an absolute value of a time difference between the observation points using the 2 nd information included in each of the N3 rd information included in the time series data information obtained in the first step, and generating a set of the calculated time differences as a 1 st set, where N is a natural number of 3 or more;
a third step of calculating, for each group of the 3 rd information for which the absolute value of the time difference is calculated, an autocorrelation coefficient indicating a correlation between the value of the 1 st information at the 1 st time and the value of the 1 st information at the 2 nd time after a predetermined time has elapsed from the 1 st time, and generating a set of the calculated autocorrelation coefficients as a 2 nd set;
a fourth step of calculating an autocorrelation function representing the relationship between the set of time differences and the set of autocorrelation coefficients based on the 1 st set obtained in the second step and the 2 nd set obtained in the third step; analyzing the 1 st information chronologically based on the autocorrelation function; outputting the 4 th information on the analysis result of the volume information of the newborn;
fifthly, if the 4 th information output in the fourth step exceeds a preset value, an alarm is given out through an alarm; measuring pressure information of a contact part of the respirator through a pressure sensor;
sixthly, comparing the pressure information of the contact part of the respirator measured by the pressure sensor obtained in the fifth step with standard pressure information;
seventhly, obtaining a result of whether the position of the respirator needs to be adjusted or not based on the comparison result; if the adjustment is needed, determining key position points and marking according to the standard position of the respirator; adjusting the position of the respirator to enable the position of the respirator to contain all key position points;
eighthly, monitoring the breathing intensity of the newborn by a breathing monitoring program after the position of the respirator is adjusted in the seventh step; amplifying the respiration intensity signal through a signal amplification program, and filtering the respiration intensity signal through a filtering program;
a ninth step of converting the signal filtered in the eighth step by a signal conversion program; analyzing the respiratory intensity data obtained by monitoring in the eighth step; and if the preset value is exceeded, alarming is carried out through an alarm.
Further, in the eighth step, the method for amplifying the respiration intensity signal comprises:
1) constructing a detection signal receiving matrix;
2) performing singular value decomposition on the detection signal receiving matrix;
3) constructing a feedback signal matrix according to the singular value decomposition result;
4) and feeding back and amplifying the received matrix signals by using the feedback signal matrix.
Further, in step 3), the method for constructing the feedback signal matrix according to the singular value decomposition result includes:
obtaining a phase information matrix of each signal to be processed: carrying out singular value decomposition on the detection signal receiving matrix to obtain a generalized inverse matrix: calculating the rank of the generalized inverse matrix;
screening the phase information matrix; removing a value smaller than a preset threshold value from the phase information matrix to obtain a matrix;
calculating the rank of the phase information matrix: calculating the proportion of the phase information of each signal to be processed; constructing a phase information normalization diagonal matrix:
and determining the repeated characteristic value of the matrix, further calculating the standard deviation and constructing a feedback proportion matrix according to the standard deviation.
Further, in step 4), the method for feeding back and amplifying the received matrix signal by using the feedback signal matrix is as follows:
feeding back the receiving matrix signal according to the feedback signal matrix to obtain a matrix to be amplified; determining the signal amplification ratio; amplifying the matrix to be amplified to obtain an amplified signal matrix which is input to the multi-input and multi-output dynamic system; and carrying out inverse logarithm operation on the matrix to obtain a signal matrix for inputting to the multi-input and multi-output dynamic system.
Further, in the eighth step, the method for filtering the respiration intensity signal comprises the following steps:
(1) acquiring data of a signal, and filtering the data to obtain a current value;
(2) when the data is in an unlocked state and the current value is within a locking range of the reference value, locking the data and outputting a locking value;
(3) and when the data is in a locked state and the current value is within the unlocking range of the locking value, unlocking the data, setting the current value as a new reference value and outputting the current value.
Further, in the step (2), the step of locking the data and outputting the lock value specifically includes:
when the data is in the unlocking state and the current value is in the locking range of the reference value, adding one to the locking frequency;
outputting a current value when the locking times do not reach the maximum locking times;
and when the locking times reach the maximum locking times, locking the data, setting the current value as a locking value, then outputting the locking value, and resetting the unlocking times.
Further, in step (3), when the data is in a locked state and the current value is within an unlocking range of the lock value, unlocking the data, setting the current value as a new reference value, and outputting the current value specifically includes:
when the data is in a locked state and the current value is within the unlocking range of the locked value, adding one to the unlocking times;
when the unlocking times do not reach the maximum unlocking times, outputting a locking value;
and when the unlocking times reach the maximum unlocking times, unlocking the data, clearing the locking times, setting the current value as a new reference value and outputting the current value.
Another object of the present invention is to provide a neonatal respiration sensing system with a dropout detection alarm, which implements the neonatal respiration sensing method with a dropout detection alarm, the neonatal respiration sensing system with a dropout detection alarm being provided with:
the system comprises a sound monitoring module, a parameter presetting module, a central control module, a sound information analysis module, a first alarm module, a pressure monitoring module, an adjusting module, a breath monitoring module, a signal amplification module, a filtering module, a signal conversion module, a breath information analysis module and a second alarm module;
the sound monitoring module is connected with the central control module and is used for monitoring the volume of the newborn through a sound sensor;
the parameter presetting module is connected with the central control module and is used for setting the normal volume and the normal breathing parameters of the newborn through a parameter presetting program;
the central control module is connected with the sound monitoring module, the parameter presetting module, the sound information analysis module, the first alarm module, the pressure monitoring module, the adjusting module, the respiration monitoring module, the signal amplification module, the filtering module, the signal conversion module, the respiration information analysis module and the second alarm module and is used for controlling the normal operation of each module through the main control computer;
the sound information analysis module is connected with the central control module and is used for analyzing the volume information of the newborn through a sound information analysis program;
the first alarm module is connected with the central control module and used for giving an alarm through an alarm;
the pressure monitoring module is connected with the central control module and is used for measuring the pressure information of the contact part of the respirator through the pressure sensor;
the adjusting module is connected with the central control module and is used for adjusting the pressure of the contact part of the respirator through an adjusting program;
the respiration monitoring module is connected with the central control module and is used for monitoring the respiration intensity of the newborn through a respiration monitoring program;
the signal amplification module is connected with the central control module and is used for amplifying the respiration intensity signal through a signal amplification program;
the filtering module is connected with the central control module and is used for filtering the respiration intensity signal through a filtering wave program;
the signal conversion module is connected with the central control module and is used for performing signal conversion after filtering through a signal conversion program;
the respiratory information analysis module is connected with the central control module and is used for analyzing the respiratory intensity data through an analysis program;
and the second alarm module is connected with the central control module and used for giving an alarm through an alarm.
It is a further object of the invention to provide a computer program product stored on a computer readable medium, comprising a computer readable program for providing, when executed on an electronic device, a user input interface for implementing the method for neonatal respiration sensing with dropout detection alarm.
It is another object of the present invention to provide a computer readable storage medium storing instructions that, when executed on a computer, cause the computer to perform the method for neonatal respiration sensing with dropout detection alarm.
By combining all the technical schemes, the invention has the advantages and positive effects that: the sound monitoring module is arranged to monitor the volume of the newborn, and whether the respirator falls off or not is preliminarily judged; the signal amplification module and the filtering module can respectively realize signal amplification and filtering, so that the monitoring effect on breathing is better, and the falling detection of the respirator is more accurate; the sound information analysis module and the breathing information analysis module are arranged to analyze monitoring information, automatic alarm is achieved, and nursing burden of medical staff is reduced.
Drawings
Fig. 1 is a flow chart of a method for sensing neonatal respiration with a dropout detection alarm according to an embodiment of the present invention.
Fig. 2 is a block diagram of a neonatal respiration sensing system with a dropout detection alarm according to an embodiment of the present invention.
In fig. 2: 1. a sound monitoring module; 2. a parameter presetting module; 3. a central control module; 4. a sound information analysis module; 5. a first alarm module; 6. a pressure monitoring module; 7. an adjustment module; 8. a respiration monitoring module; 9. a signal amplification module; 10. a filtering module; 11. a signal conversion module; 12. a respiratory information analysis module; 13. and the second alarm module.
FIG. 3 is a flow chart of a method of adjusting the pressure at a contact site of a respirator as provided by an embodiment of the present invention.
Fig. 4 is a flowchart of a method for amplifying a respiration intensity signal according to an embodiment of the present invention.
Fig. 5 is a flowchart of a method for filtering a respiration intensity signal according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In view of the problems of the prior art, the present invention provides a neonatal respiration sensing system with a fall-off detection alarm and a sensing method thereof, and the present invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1, a method for sensing respiration of a newborn infant with a falling-off detection alarm according to an embodiment of the present invention includes the following steps:
s101, monitoring the volume of the neonate through a sound sensor, and analyzing the volume information of the neonate through a sound information analysis program; if the alarm exceeds the preset value, an alarm is given out through an alarm;
s102, measuring pressure information of a contact part of the respirator through a pressure sensor; adjusting the pressure of the contact part of the respirator through an adjusting program;
s103, monitoring the respiratory intensity of the newborn through a respiratory monitoring program; amplifying the respiration intensity signal through a signal amplification program, and filtering the respiration intensity signal through a filtering program;
s104, performing signal conversion after filtering through a signal conversion program;
s105, analyzing the respiration intensity data through an analysis program; and if the preset value is exceeded, alarming is carried out through an alarm.
As shown in fig. 2, the neonatal respiration sensing system with a drop detection alarm provided by the embodiment of the present invention is provided with:
the system comprises a sound monitoring module 1, a parameter presetting module 2, a central control module 3, a sound information analysis module 4, a first alarm module 5, a pressure monitoring module 6, an adjusting module 7, a respiration monitoring module 8, a signal amplification module 9, a filtering module 10, a signal conversion module 11, a respiration information analysis module 12 and a second alarm module 13;
the sound monitoring module 1 is connected with the central control module 3 and used for monitoring the volume of the newborn through a sound sensor;
the parameter presetting module 2 is connected with the central control module 3 and is used for setting the normal volume and the normal breathing parameters of the newborn through a parameter presetting program;
the central control module 3 is connected with the sound monitoring module 1, the parameter presetting module 2, the sound information analysis module 4, the first alarm module 5, the pressure monitoring module 6, the adjusting module 7, the respiration monitoring module 8, the signal amplification module 9, the filtering module 10, the signal conversion module 11, the respiration information analysis module 12 and the second alarm module 13, and is used for controlling the normal operation of each module through a main control computer;
the sound information analysis module 4 is connected with the central control module 3 and is used for analyzing the volume information of the newborn through a sound information analysis program;
the first alarm module 5 is connected with the central control module 3 and used for giving an alarm through an alarm;
the pressure monitoring module 6 is connected with the central control module 3 and used for measuring the pressure information of the contact part of the respirator through a pressure sensor;
the adjusting module 7 is connected with the central control module 3 and is used for adjusting the pressure of the contact part of the respirator through an adjusting program;
the respiration monitoring module 8 is connected with the central control module 3 and is used for monitoring the respiration intensity of the newborn through a respiration monitoring program;
the signal amplification module 9 is connected with the central control module 3 and used for amplifying the respiration intensity signal through a signal amplification program;
the filtering module 10 is connected with the central control module 3 and is used for filtering the respiration intensity signal through a filtering wave program;
the signal conversion module 11 is connected with the central control module 3 and is used for performing signal conversion after filtering through a signal conversion program;
the respiratory information analysis module 12 is connected with the central control module 3 and is used for analyzing the respiratory intensity data through an analysis program;
and the second alarm module 13 is connected with the central control module 3 and used for giving an alarm through an alarm.
The technical solution of the present invention is further illustrated by the following specific examples.
Example 1
The method for sensing the breathing of the newborn with the falling detection alarm provided by the embodiment of the invention is shown in figure 1, as a preferred embodiment, as shown in figure 3, the method for adjusting the pressure of the contact part of the respirator provided by the embodiment of the invention comprises the following steps:
s201, acquiring pressure information of a contact part of a respirator, and comparing the acquired information with standard pressure information;
s202, obtaining a result of whether the position of the respirator needs to be adjusted or not according to the comparison result;
s203, determining and marking key position points according to the standard positions of the respirators;
s204, adjusting the position of the respirator to enable the position of the respirator to contain all key position points.
Example 2
Fig. 1 shows a method for sensing respiration of a newborn with a drop detection alarm according to an embodiment of the present invention, and fig. 4 shows a preferred embodiment of the method for amplifying a respiration intensity signal according to an embodiment of the present invention, where the method includes:
s301, constructing a detection signal receiving matrix;
s302, performing singular value decomposition on the detection signal receiving matrix;
s303, constructing a feedback signal matrix according to the singular value decomposition result;
and S304, feeding back and amplifying the signals of the receiving matrix by using the feedback signal matrix.
Example 3
Fig. 1 shows a method for sensing neonatal respiration with a drop detection alarm according to an embodiment of the present invention, and fig. 5 shows a preferred embodiment of the method for filtering a respiration intensity signal according to an embodiment of the present invention, which includes the following steps:
s401, acquiring data of a signal, and filtering the data to obtain a current value;
s402, when the data is in an unlocked state and the current value is in a locking range of the reference value, locking the data and outputting a locking value;
and S403, when the data is in the locked state and the current value is within the unlocking range of the locked value, unlocking the data, setting the current value as a new reference value and outputting the current value.
When the novel baby sound volume monitor is used, the volume of a newborn is monitored through the sound sensor, and the volume information of the newborn is analyzed through the sound information analysis program; if the alarm exceeds the preset value, an alarm is given out through an alarm; measuring pressure information of a contact part of the respirator through a pressure sensor; adjusting the pressure of the contact part of the respirator through an adjusting program; monitoring the respiratory intensity of the neonate through a respiratory monitoring program; amplifying the respiration intensity signal through a signal amplification program, and filtering the respiration intensity signal through a filtering program; performing signal conversion after filtering by a signal conversion program; analyzing the respiration intensity data through an analysis program; and if the preset value is exceeded, alarming is carried out through an alarm.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A neonatal respiration sensing method with a dropout detection alarm, characterized in that the neonatal respiration sensing method with the dropout detection alarm comprises the following steps:
monitoring the volume of a newborn through an acoustic sensor, and acquiring time series data information of more than M pieces of 3 rd information, wherein the 1 st information of the volume information of the newborn and the 2 nd information of a time observation point of the 1 st information are mutually corresponding, wherein M is a natural number more than 3;
a second step of calculating an absolute value of a time difference between the observation points using the 2 nd information included in each of the N3 rd information included in the time series data information obtained in the first step, and generating a set of the calculated time differences as a 1 st set, where N is a natural number of 3 or more;
a third step of calculating, for each group of the 3 rd information for which the absolute value of the time difference is calculated, an autocorrelation coefficient indicating a correlation between the value of the 1 st information at the 1 st time and the value of the 1 st information at the 2 nd time after a predetermined time has elapsed from the 1 st time, and generating a set of the calculated autocorrelation coefficients as a 2 nd set;
a fourth step of calculating an autocorrelation function representing the relationship between the set of time differences and the set of autocorrelation coefficients based on the 1 st set obtained in the second step and the 2 nd set obtained in the third step; analyzing the 1 st information chronologically based on the autocorrelation function; outputting the 4 th information on the analysis result of the volume information of the newborn;
fifthly, if the 4 th information output in the fourth step exceeds a preset value, an alarm is given out through an alarm; measuring pressure information of a contact part of the respirator through a pressure sensor;
sixthly, comparing the pressure information of the contact part of the respirator measured by the pressure sensor obtained in the fifth step with standard pressure information;
seventhly, obtaining a result of whether the position of the respirator needs to be adjusted or not based on the comparison result; if the adjustment is needed, determining key position points and marking according to the standard position of the respirator; adjusting the position of the respirator to enable the position of the respirator to contain all key position points;
eighthly, monitoring the breathing intensity of the newborn by a breathing monitoring program after the position of the respirator is adjusted in the seventh step; amplifying the respiration intensity signal through a signal amplification program, and filtering the respiration intensity signal through a filtering program;
a ninth step of converting the signal filtered in the eighth step by a signal conversion program; analyzing the respiratory intensity data obtained by monitoring in the eighth step; and if the preset value is exceeded, alarming is carried out through an alarm.
2. The method for sensing neonatal respiration with loss detection alarm of claim 1 wherein in the eighth step the method for amplifying the respiration intensity signal is:
1) constructing a detection signal receiving matrix;
2) performing singular value decomposition on the detection signal receiving matrix;
3) constructing a feedback signal matrix according to the singular value decomposition result;
4) and feeding back and amplifying the received matrix signals by using the feedback signal matrix.
3. The method for sensing neonatal respiration with dropout detection alarm according to claim 2, wherein in step 3), the method for constructing the feedback signal matrix according to the singular value decomposition result comprises:
obtaining a phase information matrix of each signal to be processed: carrying out singular value decomposition on the detection signal receiving matrix to obtain a generalized inverse matrix: calculating the rank of the generalized inverse matrix;
screening the phase information matrix; removing a value smaller than a preset threshold value from the phase information matrix to obtain a matrix;
calculating the rank of the phase information matrix:
calculating the proportion of the phase information of each signal to be processed:
constructing a phase information normalization diagonal matrix:
and determining the repeated characteristic value of the matrix, further calculating the standard deviation and constructing a feedback proportion matrix according to the standard deviation.
4. The method for sensing neonatal respiration with dropout detection alarm according to claim 2, wherein in step 4), the method for feeding back and amplifying the received matrix signal by using the feedback signal matrix is:
feeding back the receiving matrix signal according to the feedback signal matrix to obtain a matrix to be amplified; determining the signal amplification ratio; amplifying the matrix to be amplified to obtain an amplified signal matrix which is input to the multi-input and multi-output dynamic system; and carrying out inverse logarithm operation on the matrix to obtain a signal matrix for inputting to the multi-input and multi-output dynamic system.
5. The method for sensing neonatal respiration with loss detection alarm of claim 1 wherein in the eighth step said method of filtering the respiration intensity signal comprises the steps of:
(1) acquiring data of a signal, and filtering the data to obtain a current value;
(2) when the data is in an unlocked state and the current value is within a locking range of the reference value, locking the data and outputting a locking value;
(3) and when the data is in a locked state and the current value is within the unlocking range of the locking value, unlocking the data, setting the current value as a new reference value and outputting the current value.
6. The method for sensing neonatal respiration with dropout detection alarm of claim 5, wherein in the step (2), the step of locking the data and outputting the lock value comprises:
when the data is in the unlocking state and the current value is in the locking range of the reference value, adding one to the locking frequency;
outputting a current value when the locking times do not reach the maximum locking times;
and when the locking times reach the maximum locking times, locking the data, setting the current value as a locking value, then outputting the locking value, and resetting the unlocking times.
7. The method for sensing neonatal respiration with dropout detection alarm of claim 5, wherein in the step (3), the step of unlocking the data when the data is in a locked state and the current value is within an unlocking range of the locked value, and setting the current value as the new reference value and outputting the current value specifically comprises:
when the data is in a locked state and the current value is within the unlocking range of the locked value, adding one to the unlocking times;
when the unlocking times do not reach the maximum unlocking times, outputting a locking value;
and when the unlocking times reach the maximum unlocking times, unlocking the data, clearing the locking times, setting the current value as a new reference value and outputting the current value.
8. A neonatal respiration sensing system with dropout detection alarm for carrying out a method of neonatal respiration sensing with dropout detection alarm according to claims 1 to 7, characterized in that the neonatal respiration sensing system with dropout detection alarm is provided with:
the system comprises a sound monitoring module, a parameter presetting module, a central control module, a sound information analysis module, a first alarm module, a pressure monitoring module, an adjusting module, a breath monitoring module, a signal amplification module, a filtering module, a signal conversion module, a breath information analysis module and a second alarm module;
the sound monitoring module is connected with the central control module and is used for monitoring the volume of the newborn through a sound sensor;
the parameter presetting module is connected with the central control module and is used for setting the normal volume and the normal breathing parameters of the newborn through a parameter presetting program;
the central control module is connected with the sound monitoring module, the parameter presetting module, the sound information analysis module, the first alarm module, the pressure monitoring module, the adjusting module, the respiration monitoring module, the signal amplification module, the filtering module, the signal conversion module, the respiration information analysis module and the second alarm module and is used for controlling the normal operation of each module through the main control computer;
the sound information analysis module is connected with the central control module and is used for analyzing the volume information of the newborn through a sound information analysis program;
the first alarm module is connected with the central control module and used for giving an alarm through an alarm;
the pressure monitoring module is connected with the central control module and is used for measuring the pressure information of the contact part of the respirator through the pressure sensor;
the adjusting module is connected with the central control module and is used for adjusting the pressure of the contact part of the respirator through an adjusting program;
the respiration monitoring module is connected with the central control module and is used for monitoring the respiration intensity of the newborn through a respiration monitoring program;
the signal amplification module is connected with the central control module and is used for amplifying the respiration intensity signal through a signal amplification program;
the filtering module is connected with the central control module and is used for filtering the respiration intensity signal through a filtering wave program;
the signal conversion module is connected with the central control module and is used for performing signal conversion after filtering through a signal conversion program;
the respiratory information analysis module is connected with the central control module and is used for analyzing the respiratory intensity data through an analysis program;
and the second alarm module is connected with the central control module and used for giving an alarm through an alarm.
9. A computer program product stored on a computer readable medium, comprising a computer readable program for providing a user input interface to implement the neonatal respiration sensing method with dropout detection alarm of any one of claims 1-7 when executed on an electronic device.
10. A computer-readable storage medium storing instructions that, when executed on a computer, cause the computer to perform a neonatal respiration sensing method with a loss detection alarm as claimed in any one of claims 1 to 7.
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Application publication date: 20200728 |