CN207071086U - A kind of physiologic information monitoring device - Google Patents
A kind of physiologic information monitoring device Download PDFInfo
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- CN207071086U CN207071086U CN201720176540.4U CN201720176540U CN207071086U CN 207071086 U CN207071086 U CN 207071086U CN 201720176540 U CN201720176540 U CN 201720176540U CN 207071086 U CN207071086 U CN 207071086U
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Abstract
The utility model embodiment provides a kind of physiologic information monitoring device.Wherein, device includes：Physiological monitor, for obtaining monitored body because of monitoring signals caused by breathing and heartbeat；Change-over circuit, it is connected with the physiological monitor, for the monitoring signals to be converted into voltage signal；Shunt circuit, it is connected with the change-over circuit, for the voltage signal to be split into direct current signal and AC signal；Processor, it is connected with the shunt circuit, for judging whether the monitoring signals are caused by the monitored body is on the physiological monitor according to the direct current signal；If so, then calculated based on the AC signal and export respiratory rate and heart rate.The utility model embodiment improves the antijamming capability of physiologic information monitoring device, improves the accuracy rate of physiologic information monitoring result.
Description
Technical field
It the utility model is related to human body physical sign monitoring field, more particularly to a kind of physiologic information monitoring device.
Background technology
Sleep quality directly affects the health of people, and breathing and heartbeat are two important lifes in sleep quality
Manage index, it is therefore necessary to the physiologic informations such as the breathing in sleep quality and heartbeat are carried out effectively to gather and monitor, thus
Analysis of sleeping quality can be carried out according to the data got, so as to suit the remedy to the case.
At present, the device being monitored to physiologic informations such as the breathing in sleep quality and heartbeats passes generally by pressure
Sensor gathers human body respiration and the pressure change caused by heartbeat, then handles to obtain breathing and heartbeat by subsequent conditioning circuit
Mixed signal, then by the algorithm process of processor obtain human body from bed state, respiratory rate and heart rate information.
But because surrounding environment is there is various vibration interference sources, low frequency air vibration, engineering such as door and window
Construction Vibration etc., these vibration interference signals can also be gathered by pressure sensor, so as to cause the deviation of last monitoring result,
For example, people not in bed when, ambient vibration interference can be delivered on pressure sensor, last output signal can be erroneously interpreted as
Breathing and heart rate signal in sleep.It can be seen that adopting to physiologic informations such as the breathing in sleep quality and heartbeats in the prior art
Acquisition means poor anti jamming capability, in cases of a disturbance people can not be judged whether from bed exactly.
Utility model content
The utility model provides a kind of physiologic information monitoring device, it is therefore intended that can be in the situation for having surrounding environment to disturb
Under be accurately judged to people from bed state, it is dry in surrounding environment to avoid so as to export accurate respiratory rate and cardiac rate
Disturbing causes the monitoring result of output error.
In order to solve the above-mentioned technical problem, the utility model provides a kind of physiologic information monitoring device, including：
Physiological monitor, for obtaining monitored body because of monitoring signals caused by breathing and heartbeat；
Change-over circuit, it is connected with the physiological monitor, for the monitoring signals to be converted into voltage signal；
Shunt circuit, it is connected with the change-over circuit, for splitting into direct current signal and exchanging the voltage signal
Signal；
Processor, it is connected with the shunt circuit, for whether judging the monitoring signals according to the direct current signal
It is caused by the monitored body is on the physiological monitor；If so, then calculate and export based on the AC signal
Respiratory rate and heart rate.
Alternatively, the shunt circuit, including：
Low-pass filter circuit, it is connected with the change-over circuit, for obtaining the direct current signal in the voltage signal；
High-pass filtering circuit, it is connected with the change-over circuit, for obtaining the AC signal in the voltage signal.
Alternatively, the shunt circuit, in addition to：
First voltage amplifying circuit, it is connected with the low-pass filter circuit, for being amplified to the direct current signal；
Second voltage amplifying circuit, it is connected with the high-pass filtering circuit, for being amplified to the AC signal.
Alternatively, the processor includes：
Judge module, it is connected with the shunt circuit, and whether the voltage for judging the direct current signal is higher than or waits
In threshold value, if so, then the monitoring signals are caused by the monitored body is on the physiological monitor；
Low-pass filtering module, it is connected with the shunt circuit and the judge module respectively, in the judgement
Module makes the monitoring signals when being that the monitored body is in caused result when on the physiological monitor, from described
Breath signal is isolated in AC signal, and calculates corresponding respiratory rate；
Bandpass filtering modules block, it is connected with the shunt circuit and the judge module respectively, in the judgement
Module makes the monitoring signals when being that the monitored body is in caused result when on the physiological monitor, from described
Heart rate signal is isolated in AC signal, and calculates corresponding heart rate；
Output module, it connects with the judge module, the low-pass filtering module and the bandpass filtering modules block respectively
Connect, when the voltage for judging the direct current signal in the judge module is less than threshold value, prompt message is left in output, in institute
When stating judge module and judging that the voltage of the direct current signal is greater than or equal to threshold value, export the low-pass filtering module and calculate
Respiratory rate and the heart rate that calculates of the bandpass filtering modules block.
Alternatively, the physiological monitor includes：Air cushion and pressure sensor；Wherein,
The middle air chamber of the air cushion connects with the air pressure sensing end of the pressure sensor；
The pressure sensor exports corresponding monitoring signals according to the air pressure change in the middle air chamber；
Or
The physiological monitor is pliable pressure sensor；
The pliable pressure sensor is laminated structure, with according to the monitored body being placed on the pliable pressure sensor
Physiological characteristic export corresponding monitoring signals；
Or
The physiological monitor includes：Flexible sheet material and the multiple pressure being distributed on the flexible sheet material pass
Sensor；
The multiple pressure sensor exports corresponding monitoring signals according to the physiological characteristic of monitored body placed on it.
Alternatively, the change-over circuit is resistor voltage divider circuit or bridge-type bridge circuit.The utility model embodiment provides
Physiologic information monitoring device, by physiological monitor monitor monitored body placed on it because breathing and heartbeat caused by inspection
Signal is surveyed, the monitoring signals are converted into by voltage signal by change-over circuit, and by shunt circuit by the voltage signal
Direct current signal and AC signal are separated, and it is not that processor can be accurately judged to the monitoring signals according to the direct current signal
That monitored body is caused when being on the physiological monitor, can so be accurately judged to people from state, true
Determine that just output respiratory rate and cardiac rate can be calculated according to AC signal when people is on the physiological monitor, effectively prevent people
When leaving, because the interference in surrounding environment produces the AC signal being not zero so as to cause the respiratory rate of output error and cardiac rate
Monitoring result, improve the antijamming capability of physiologic information monitoring device.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are
Some embodiments of the utility model, for those of ordinary skill in the art on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the one embodiment for the physiologic information monitoring device that the utility model embodiment provides；
Fig. 2 is a kind of structural representation of shunt circuit in the physiologic information monitoring device that the utility model embodiment provides
Figure；
Fig. 3 is another structural representation of shunt circuit in the physiologic information monitoring device that the utility model embodiment provides
Figure；
Fig. 4 is the structural representation of processor in the physiologic information monitoring device that the utility model embodiment provides；
Fig. 5 is the structural representation of another embodiment of the physiologic information monitoring device that the utility model embodiment provides
Figure；
Fig. 6 is the flow chart of the one embodiment for the physiologic information monitoring method that the utility model embodiment provides；
Fig. 7 is the flow chart of the another embodiment for the physiologic information monitoring method that the utility model embodiment provides.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of the utility model protection.
The term used in the utility model embodiment is only merely for the purpose of description specific embodiment, and is not intended to
Limit the utility model." one kind " of singulative used in the utility model embodiment and appended claims,
" described " and "the" are also intended to including most forms, unless context clearly shows that other implications, " a variety of " generally comprise to
It is few two kinds, but be not excluded for including at least one situation.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, represent
There may be three kinds of relations, for example, A and/or B, can be represented：Individualism A, while A and B be present, individualism B these three
Situation.In addition, character "/" herein, it is a kind of relation of "or" to typically represent forward-backward correlation object.
It will be appreciated that though it may be described in the utility model embodiment using term first, second, third, etc.
XXX, but these XXX should not necessarily be limited by these terms.These terms are only used for XXX being distinguished from each other out.For example, this reality is not being departed from
In the case of new embodiment scope, the first XXX can also be referred to as the 2nd XXX, and similarly, the 2nd XXX can also be claimed
For the first XXX.
Depending on linguistic context, word as used in this " if ", " if " can be construed to " ... when " or
" when ... " or " in response to determining " or " in response to monitoring ".Similarly, depending on linguistic context, phrase " if it is determined that " or " such as
Fruit monitors (condition or event of statement) " can be construed to " when it is determined that when " or " in response to determine " or " when monitoring (statement
Condition or event) when " or " in response to monitor (condition or event of statement) ".
It should also be noted that, term " comprising ", "comprising" or its any other variant are intended to nonexcludability
Comprising, so that commodity or system including a series of elements not only include those key elements, but also including without clear and definite
The other element listed, or also include for this commodity or the intrinsic key element of system.In the feelings not limited more
Under condition, the key element that is limited by sentence "including a ...", it is not excluded that in the commodity including the key element or system also
Other identical element be present.
Fig. 1 is the structural representation of the one embodiment for the physiologic information monitoring device that the utility model embodiment provides.
As shown in figure 1, the physiologic information monitoring device includes：Physiological monitor 101, change-over circuit 102, shunt circuit 103 and processing
Device 104.
Wherein, physiological monitor 101 is used to obtain monitored body because of monitoring signals caused by breathing and heartbeat.The life
Reason monitor 101 can be placed on mattress, so, when monitored body is lain on mattress during sleep, the physiological monitor 101
The detection information that can be monitored just jump by the trunk pressure including monitored body placed on it, respiratory chest motion and heart
Pressure information caused by dynamic, the trunk pressure due to being monitored body are equal to the gravity of monitored body, therefore are one static
Pressure, and pressure caused by respiratory chest motion and heartbeat can occur to change with respiratory movement and cardiac motion,
Therefore it is dynamic pressure.
Change-over circuit 102 is connected with the physiological monitor 101, and the change-over circuit 102 is used to turn the monitoring signals
It is changed to voltage signal.Because the monitored body trunk pressure of static state can produce a DC voltage, and dynamic respiratory movement and
The pressure of heartbeat can produce an alternating voltage, and the alternating voltage is superimposed upon on the DC voltage, that is to say, that described
The voltage signal that change-over circuit 102 is converted to includes DC voltage and the exchange being superimposed upon on the DC voltage
Voltage.
Shunt circuit 103 is connected with the change-over circuit 102, and the shunt circuit 103 is used to shunt the voltage signal
For direct current signal and AC signal.
Processor 104 is connected with the shunt circuit 103, and the processor 104 is used to judge institute according to the direct current signal
State whether monitoring signals are caused by the monitored body is on the physiological monitor 101；If so, then it is based on the friendship
Stream signal of change simultaneously exports respiratory rate and heart rate.Processor 104 can directly judge according to the direct current signal in the present embodiment
Go out monitored body from state, this be due to the direct current signal be according to the trunk pressing creation of monitored body, if
When monitored body is not on the physiological monitor 101, the physiological monitor 101 is necessarily monitored less than the monitored body
Trunk pressure, then the direct current signal is also necessarily zero, if monitored body is on the physiological monitor 101, institute
The trunk pressure of the monitored body will necessarily be monitored by stating physiological monitor 101, then the direct current signal is necessarily not zero.
When the direct current signal is not zero, illustrate that monitored body is on the physiological monitor 101, at this moment the processor 104
Calculated based on the AC signal and export corresponding respiratory rate and heart rate, when the direct current signal is zero, i.e. leave state,
Even if at this moment the AC signal is not zero because of the vibration interference in surrounding environment, the AC signal can also be judged not
It is to be monitored caused by respiratory movement and the cardiac motion of body, but caused by the interference in surrounding environment, therefore, to the friendship
Signal is flowed without calculating and exporting.
In actual applications, noise is might have above the direct current signal, therefore, can be pre- in the judgement of reality
One threshold value is first set, when the voltage of the direct current signal is less than the threshold value, then it is assumed that leave state, greater than or equal to described
During threshold value, then it is assumed that monitored body is on the physiological monitor 101.
In the present embodiment, by separated in the monitoring signals that are exported from the physiological monitor 101 direct current signal and
AC signal, according to the direct current signal can judge exactly monitored body from state, and only judging
When monitored body is on the physiological monitor 101, just output respiratory rate and heart rate can be calculated according to the AC signal, this
Sample would not be calculated according to the AC signal as caused by the interference in surrounding environment monitored under leave state and output error
Respiratory rate and heart rate, improve the accuracy of physiologic information monitoring result, also improve the anti-dry of physiologic information monitoring device
Disturb ability.
As another embodiment, the physiological monitor 101 can include air cushion and pressure sensor；In the air cushion
Air chamber connects with the air pressure sensing end of the pressure sensor；The pressure sensor is according to the air pressure in the middle air chamber
Change exports corresponding monitoring signals.Air cushion tiling is placed in bed, when monitored body is lain on the air cushion,
The pressure of the trunk pressure of monitored body, respiratory movement and heartbeat can pass to air cushion, cause in the middle air chamber of air cushion
Air pressure change, the air pressure change further cause with air cushion connection the pressure sensor pressure change, this pressure
Change causes the resistance variations of the pressure sensor, then by the change-over circuit 102 by the electricity of the pressure sensor
Resistive is transformed into voltage signal.
As another embodiment, the physiological monitor 101 is pliable pressure sensor；The pliable pressure sensor is
Laminated structure, with according to the corresponding monitoring letter of the physiological characteristic for the monitored body being placed on pliable pressure sensor output
Number.Pliable pressure sensor tiling is placed in bed, when so monitored body is lain on the pliable pressure sensor,
Trunk pressure, respiratory movement and the cardiac motion of monitored body can directly result in the pressure change of sensor, the pressure of sensor
Change, normally behaves as the resistance variations of sensor, then by the change-over circuit by the resistance of the pliable pressure sensor
Change transitions are voltage signal.
As another embodiment, the physiological monitor 101 includes：Flexible sheet material and it is distributed on the flexible sheet
Multiple pressure sensors on material；The multiple pressure sensor exports according to the physiological characteristic of monitored body placed on it
Corresponding monitoring signals.The flexible sheet material tiling for being evenly equipped with multiple pressure sensors is placed in bed, monitored body is lain
When on the flexible sheet material, the trunk pressure information, respiratory pressure and the heartbeat pressure information that are monitored body can direct quilts
All or part of pressure sensor in multiple pressure sensors on the flexible sheet material is gathered, and cause all or
The resistance variations of partial pressure sensor, by the change-over circuit by the resistance variations of all or part of pressure sensor
It is changed into voltage signal.
The physiologic information of monitored person is gathered using the air cushion or pliable pressure sensor of softness, can give monitored person with
Carry out a kind of comfortable enjoyment of softness, also contribute to the accuracy of sleep monitor.
As another embodiment, the change-over circuit 102 can be resistor voltage divider circuit or bridge-type bridge circuit.Resistance point
Volt circuit is that pressure sensor and certain value resistant series are linked into the both ends of dc source, the pressure sensor afterwards
Tie point with the fixed value resistance is as voltage output end, because the resistance of the sensor is with the change of pressure thereon
And change, therefore as, the pressure sensor can be regarded to a variable resistor, so, the electricity of the voltage output end output
Pressure can change with the resistance variations of the pressure sensor；Bridge-type bridge circuit is that pressure sensor is connected on into electric bridge
On one bridge arm of circuit, the change of the resistance of the pressure sensor can directly cause the output voltage of the bridge-type bridge circuit
Change.So, the monitoring signals that the voltage branch circuit or bridge-type bridge circuit can just export the pressure sensor
It is converted into voltage signal.
As another embodiment, the shunt circuit 103 is it is also an option that high-pass filtering circuit and low-pass filter circuit come
Realize the separation of the direct current signal and AC signal in the voltage signal.Referring to Fig. 2, show that the utility model embodiment carries
A kind of structural representation of shunt circuit in the physiologic information monitoring device of confession.
With reference to Fig. 2, the shunt circuit 103 includes：
Low-pass filter circuit 110, it is connected with the change-over circuit 102, for obtaining the direct current in the voltage signal
Signal；
High-pass filtering circuit 120, it is connected with the change-over circuit 102, for obtaining the exchange in the voltage signal
Signal.
Wherein, the low-pass cut-off frequencies of the low-pass filter circuit 110 can be pre-set according to actual conditions.One
As in the case of, neonatal respiratory rate is at 60~70 beats/min, and at 120~160 beats/min, adult's exhales neonatal heart rate
Suction rate is at 12~18 beats/min, and the heart rate of adult is at 60~100 beats/min, because in a practical situation, respiratory rate is minimum can
6 beats/min can be reached, then the low-pass cut-off frequencies can be arranged on below 0.1Hz, i.e., less than low pass cutoff frequency
The signal of rate could by the low-pass filter circuit, so, the voltage signal by the low-pass filter circuit 110 it
Afterwards, AC signal caused by the respiratory movement included in the voltage signal and cardiac motion will be filtered out, only remaining described
Direct current signal caused by the trunk pressure of monitored body in voltage signal.
Wherein, the high pass cut off frequency of the high-pass filtering circuit 120 can be with the low pass of the low-pass filter circuit 110
The numerical value of cut-off frequency is consistent, can also be inconsistent, if the numerical value of the high pass cut off frequency pre-set 0.1Hz with
Lower, the breath signal and heart rate signal that so can ensure that low-limit frequency can be by the high-pass filtering circuits 120.
After the voltage signal is by the high-pass filtering circuit 120, the trunk pressure of the monitored body included in the voltage signal
Direct current signal caused by power will be filtered out, and be exchanged caused by the respiratory movement being only left in the voltage signal and cardiac motion
Signal.
In actual applications, by the institute obtained by the low-pass filter circuit 110 and the high-pass filtering circuit 120
State direct current signal and the AC signal be fainter, therefore, as another embodiment, can using voltage amplifier circuit come pair
The direct current signal and the AC signal are amplified, and are amplified to suitable scope.Referring to Fig. 3, implement for the utility model
Another structural representation of shunt circuit 103 in the physiologic information monitoring device that example provides.
With reference to Fig. 3, the shunt circuit 103 is in addition to low-pass filter circuit 110 and high-pass filtering circuit 120 is included, also
Including：First voltage amplifying circuit 111 and second voltage amplifying circuit 121.Wherein, first voltage amplifying circuit 111, itself and institute
State low-pass filter circuit 110 to connect, the direct current signal for exporting low-pass filter circuit 110 is amplified.Second electricity
Pressure amplifying circuit 121 is connected with the high-pass filtering circuit 120, for the exchange letter exported to high-pass filtering circuit 120
Number it is amplified.
Wherein, the multiplication factor of the first voltage amplifying circuit 111 and second voltage amplifying circuit 121 can be according to reality
Border is needed to be pre-set, and setting of the utility model embodiment to multiplication factor is not specifically limited.
In addition, after the direct current signal and AC signal of the voltage signal are isolated by the shunt circuit 103, institute
Stating processor 104 can judge whether to calculate and export corresponding monitoring based on the AC signal according to the direct current signal
As a result.Referring to Fig. 4, a kind of structural representation of processor in the physiologic information monitoring device provided for the utility model embodiment
Figure.
With reference to Fig. 4, the processor 104 includes：
Judge module 130, it is connected with the shunt circuit 103, for judging whether the voltage of the direct current signal is high
In or equal to threshold value, if so, then the monitoring signals are that the monitored body produces when being on the physiological monitor 101
's；
Low-pass filtering module 131, it is connected with the shunt circuit 103 and the judge module 130 respectively, for
It is that the monitored body is produced when being on the physiological monitor 101 that the judge module 130, which makes the monitoring signals,
Result when, breath signal is isolated from the AC signal, and calculate corresponding respiratory rate；
Bandpass filtering modules block 132, it is connected with the shunt circuit 103 and the judge module 130 respectively, for
It is that the monitored body is produced when being on the physiological monitor 101 that the judge module 130, which makes the monitoring signals,
Result when, heart rate signal is isolated from the AC signal, and calculate corresponding heart rate；
Output module 140, it is filtered with the judge module 130, the low-pass filtering module 131 and the band logical respectively
Ripple module 132 connects, when the voltage for judging the direct current signal in the judge module 130 is less than threshold value, export from
Prompt message is opened, when the judge module 130 judges that the voltage of the direct current signal is greater than or equal to threshold value, described in output
The heart rate that the respiratory rate and the bandpass filtering modules block 132 that low-pass filtering module 131 calculates calculate.
After the direct current signal and AC signal of the output of shunt circuit 103 is received, it judges the processor 104
Module 130 can be judged the direct current signal first, if the voltage of the direct current signal is less than threshold value, show to be supervised
Survey body and be in leave state, prompt message is left in the output of output module 140, if the voltage of the direct current signal is greater than or equal to
Threshold value, then show that monitored body is on the physiological monitor 101, breathing and heartbeat are at this moment included in the AC signal
Information, the breath signal in the AC signal is isolated by low-pass filtering module 131, divided by bandpass filtering modules block 132
The heart rate signal in the AC signal is separated out, then calculates and exports respiratory rate and the monitoring result of heart rate.
In actual applications, for neonate, its respiratory rate between 1Hz~1.17Hz, its heart rate 2Hz~
Between 2.67Hz, in this manner it is possible to according to being actually needed, a cut-off frequency, institute are set for the low-pass filtering module 131 in advance
State cut-off frequency and could be arranged to any value between 1.17Hz~2Hz, for example, 1.5Hz is arranged to, so, less than described section
Only the breath signal of frequency can by the low-pass filtering module 131, and higher than the cut-off frequency heart rate signal just not
Can be able to be that it pre-sets a lower limit for the bandpass filtering modules block 132 by the low-pass filtering module 131
Cut-off frequency and upper cut-off frequency, the lower-cut-off frequency is it can also be provided that any value, institute between 1.17Hz~2Hz
Any value that upper cut-off frequency could be arranged to be more than 2Hz is stated, so, less than the breath signal of the lower-cut-off frequency
Cannot be by the bandpass filtering modules block 132, and higher than the lower-cut-off frequency and it is less than the upper cut-off frequency
Heart rate signal just can be by the bandpass filtering modules block 132, so, it is possible to separates the breathing letter in the AC signal
Number and heart rate signal.
For adult, equally low-pass filtering module rationally can be set according to the frequency range of its respiratory rate and heart rate
131 cut-off frequency and the lower-cut-off frequency and upper cut-off frequency of bandpass filtering modules block 132, to realize that the exchange is believed
The separation of breath signal and heart rate signal in number.
It should be noted that the low-pass filtering module 131 and bandpass filtering modules block 132 can be real by software mode
It is existing.Certainly, the low-pass filtering treatment and bandpass filtering treatment that the above-mentioned processor 104 is done can also be low by adding
Bandpass filter circuit and bandwidth-limited circuit are realized.Referring to Fig. 5, the physiologic information prison that the utility model embodiment provides is shown
Survey the structural representation of another embodiment of device.
As shown in figure 5, the physiologic information monitoring device includes：
Physiological monitor 201, for obtaining monitored body because of monitoring signals caused by breathing and heartbeat；
Change-over circuit 202, it is connected with the physiological monitor 201, for the monitoring signals to be converted into voltage letter
Number；
Shunt circuit 203, it is connected with the change-over circuit 202, for the voltage signal to be split into direct current signal
And AC signal；Wherein,
The shunt circuit 203 includes：
First low-pass filter circuit 210, it is connected with the change-over circuit 202, for obtaining in the voltage signal
Direct current signal；
High-pass filtering circuit 220, it is connected with the change-over circuit 202, for obtaining the exchange in the voltage signal
Signal；
Second low-pass filter circuit 221, it is connected with the high-pass filtering circuit 220, for from the AC signal
Isolate breath signal；
Bandwidth-limited circuit 222, it is connected with the high-pass filtering circuit 220, for being separated from the AC signal
Go out heart rate signal；
Processor 204, its respectively with first low-pass filter circuit 210, the second low-pass filter circuit 221 and band logical
Filter circuit 222 connects, for when the voltage of the direct current signal is less than threshold value, prompt message to be left in output；Described straight
When the voltage of stream signal is greater than or equal to threshold value, is calculated according to the breath signal and export respiratory rate monitoring result, according to institute
Heart rate signal is stated to calculate and export rhythm of the heart result.
As another embodiment, first voltage amplifying circuit is connected in the output end of first low-pass filter circuit 210
111, the second amplifying circuit 121 is connected in the output end of high-pass filtering circuit 220, the direct current signal and AC signal are carried out
Enhanced processing, is amplified to suitable scope, second low-pass filter circuit 221 and bandwidth-limited circuit 222 respectively with it is described
The output end connection of second amplifying circuit 121, for isolating breath signal and heart rate from the AC signal after the amplification
Signal, the processor 104 connect first voltage amplifying circuit 111, the second low-pass filter circuit 221 and bandpass filtering electricity respectively
Road 222, for judging whether the monitoring signals are to be in institute in the monitored body according to the direct current signal after the amplification
Caused by stating on physiological monitor 201；If so, then calculated based on the AC signal after the amplification and export respiratory rate and the heart
Rate.
In the present embodiment, direct current signal and friendship are separated in the monitoring signals that shunt circuit can export from physiological monitor
Signal is flowed, when monitored body leaves, even if vibration interference in surrounding environment be present, the voltage of its direct current signal is also below default
Threshold value is zero, therefore can be provided correctly from state, when judging that monitored body is on the physiological monitor,
The breath signal and heart rate signal included in AC signal can be just exported, when judging that monitored body is in leave state, just
The AC signal that can judge to be not zero exactly is rather than the monitored body as caused by the vibration interference in surrounding environment
Respiratory movement and cardiac motion caused by, therefore, directly output leave prompt message, without output error respiratory rate and
The monitoring result of heart rate, improve the anti-interference of physiological monitoring equipment and the accuracy of physiology monitoring result.
The flow chart of the one embodiment for the physiologic information monitoring method that Fig. 6 provides for the utility model embodiment, the party
Method includes following steps：
Step 301：Monitored body is obtained because of monitoring signals caused by breathing and heartbeat.
The step 301 can be realized by the physiological monitor in above-described embodiment.
Specifically, the physiological monitor can be the flexible pressure of air cushion and pressure sensor or laminated structure
Force snesor or the flexible sheet material for being evenly equipped with multiple pressure sensors.
Step 302：The monitoring signals are converted into voltage signal.
The step 302 can be realized by the change-over circuit in above-described embodiment.
Specifically, the change-over circuit can be resistor voltage divider circuit or bridge-type bridge circuit.
Step 303：The voltage signal is split into direct current signal and AC signal.
The step 303 can be realized by the shunt circuit in above-described embodiment.
Specifically, the shunt circuit can select low-pass filter circuit and high-pass filtering circuit.
Step 304：Judge whether the monitoring signals are that the monitored body is in the life according to the direct current signal
Manage caused by monitor；
Step 305：It is on the physiological monitor caused if the monitoring signals are the monitored bodies, base
Calculated in the AC signal and export respiratory rate and heart rate.
The step 304 and 305 can be realized by the processor in above-described embodiment.
It is described to judge whether the monitoring signals are the monitored bodies according to the direct current signal as another embodiment
Caused by the physiological monitor, it can include：
If the voltage of the direct current signal is less than threshold value, it is determined that it is not that the monitored body is in go out the monitoring signals
Caused by the physiological monitor, and export and leave prompt message；
If the voltage of the direct current signal is greater than or equal to the threshold value, it is determined that it is described supervised to go out the monitoring signals
Survey body and be on the physiological monitor caused.
As another embodiment, if the monitoring signals are the monitored bodies when being on the physiological monitor
It is caused, then calculated based on the AC signal and export respiratory rate and heart rate, can included：
Low-pass filtering treatment is carried out to the AC signal to isolate breath signal, and is calculated based on the breath signal
And export respiratory rate；
Bandpass filtering treatment is carried out to the AC signal to isolate heart rate signal, and is calculated based on the heart rate signal
And export heart rate.
Fig. 7 is a kind of flow of another embodiment of physiologic information monitoring method that the utility model embodiment provides
Figure, this method can include following steps：
Step 401：Monitored body is obtained because of monitoring signals caused by breathing and heartbeat.
Step 402：The monitoring signals are converted into voltage signal.
Step 403：The voltage signal is split into direct current signal and AC signal.
Step 404：Judge whether the voltage of the direct current signal is less than threshold value, if it is, determining the monitoring letter
Number it is not caused by the monitored body is on the physiological monitor, and performs step 405；If it is not, then determine
The monitoring signals are caused by the monitored body is on the physiological monitor, perform step 406 and 407.
Step 405：Prompt message is left in output.
Step 406：Low-pass filtering treatment is carried out to the AC signal to isolate breath signal, and is based on the breathing
Signal of change simultaneously exports respiratory rate.
Step 407：Bandpass filtering treatment is carried out to the AC signal to isolate heart rate signal, and is based on the heart rate
Signal of change simultaneously exports heart rate.Wherein, include breath signal and heart rate signal in the AC signal, believed according to the exchange
Breath signal in number calculates and exports respiratory rate, and the heart rate signal in the AC signal calculates and exports heart rate.
The physiological monitoring method that above-described embodiment provides can realize that specific implementation is former using above-mentioned physiological monitoring device
Reason can be found in the corresponding contents in above-described embodiment, will not be repeated here.
Need exist for explanation be：It may also include after above-mentioned 403 to the direct current signal and exchange of information progress
Amplification, so that subsequent step is handled accordingly based on the direct current signal after amplification and AC signal.
In the present embodiment, direct current signal will be separated in physiology monitoring signal that physiological monitor monitors and exchanges letter
Number, it can exactly be judged from status information according to direct current signal, judge that the monitored body is in the physiology
When on monitor, physiology monitoring result corresponding to exporting can be just calculated according to AC signal, when judging to leave, can accurately be sentenced
Breaking, the AC signal be rather than the respiratory movement and heartbeat of monitored person as caused by the vibration interference in surrounding environment
Caused by motion, therefore, prompt message is left in only output.In this way, effectively increase the accuracy rate and physiology of physiology monitoring result
The antijamming capability of information monitoring equipment.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
Realized by the mode of software plus required general hardware platform, naturally it is also possible to pass through hardware.Based on such understanding, on
The part that technical scheme substantially in other words contributes to prior art is stated to embody in the form of software product, should
Computer software product can store in a computer-readable storage medium, such as ROM/RAM, magnetic disc, CD, including some fingers
Make to cause a computer equipment (can be personal computer, server, or network equipment etc.) to perform each implementation
Method described in some parts of example or embodiment.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technology
The spirit and scope of scheme.
Claims (8)
- A kind of 1. physiologic information monitoring device, it is characterised in that including：Physiological monitor, for obtaining monitored body because of monitoring signals caused by breathing and heartbeat；Change-over circuit, it is connected with the physiological monitor, for the monitoring signals to be converted into voltage signal；Shunt circuit, it is connected with the change-over circuit, for the voltage signal to be split into direct current signal and AC signal；Processor, it is connected with the shunt circuit, for judging whether the monitoring signals are institutes according to the direct current signal State monitored body and be on the physiological monitor caused；If so, then calculated based on the AC signal and export breathing Rate and heart rate.
- 2. device according to claim 1, it is characterised in that the shunt circuit, including：Low-pass filter circuit, it is connected with the change-over circuit, for obtaining the direct current signal in the voltage signal；High-pass filtering circuit, it is connected with the change-over circuit, for obtaining the AC signal in the voltage signal.
- 3. device according to claim 2, it is characterised in that the shunt circuit, in addition to：First voltage amplifying circuit, it is connected with the low-pass filter circuit, for being amplified to the direct current signal；Second voltage amplifying circuit, it is connected with the high-pass filtering circuit, for being amplified to the AC signal.
- 4. device according to any one of claim 1 to 3, it is characterised in that the processor includes：Judge module, it is connected with the shunt circuit, for judging whether the voltage of the direct current signal is greater than or equal to threshold Value, if so, then the monitoring signals are caused by the monitored body is on the physiological monitor；Low-pass filtering module, it is connected with the shunt circuit and the judge module respectively, in the judge module When to make the monitoring signals be that the monitored body is in caused result when on the physiological monitor, from the exchange Breath signal is isolated in signal, and calculates corresponding respiratory rate；Bandpass filtering modules block, it is connected with the shunt circuit and the judge module respectively, in the judge module When to make the monitoring signals be that the monitored body is in caused result when on the physiological monitor, from the exchange Heart rate signal is isolated in signal, and calculates corresponding heart rate；Output module, it is connected with the judge module, the low-pass filtering module and the bandpass filtering modules block respectively, uses When the voltage that the direct current signal is judged in the judge module is less than threshold value, prompt message is left in output, sentences described When disconnected module judges that the voltage of the direct current signal is greater than or equal to threshold value, export that the low-pass filtering module calculates exhales The heart rate that suction rate and the bandpass filtering modules block calculate.
- 5. device according to any one of claim 1 to 3, it is characterised in that the physiological monitor includes：Air cushion and Pressure sensor；Wherein,The middle air chamber of the air cushion connects with the air pressure sensing end of the pressure sensor；The pressure sensor exports corresponding monitoring signals according to the air pressure change in the middle air chamber.
- 6. device according to any one of claim 1 to 3, it is characterised in that the physiological monitor is pliable pressure Sensor；The pliable pressure sensor is laminated structure, with the life according to the monitored body being placed on the pliable pressure sensor Manage feature and export corresponding monitoring signals.
- 7. device according to any one of claim 1 to 3, it is characterised in that the physiological monitor includes：Flexible sheets Shape material and the multiple pressure sensors being distributed on the flexible sheet material；The multiple pressure sensor exports corresponding monitoring signals according to the physiological characteristic of monitored body placed on it.
- 8. device according to any one of claim 1 to 3, it is characterised in that the change-over circuit is electric resistance partial pressure electricity Road or bridge-type bridge circuit.
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| CN201720176540.4U CN207071086U (en) | 2017-02-24 | 2017-02-24 | A kind of physiologic information monitoring device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108498083A (en) * | 2017-02-24 | 2018-09-07 | 深圳市迈迪加科技发展有限公司 | A kind of physiologic information monitoring device and method |
| CN108937901A (en) * | 2018-06-14 | 2018-12-07 | 南昌华勤电子科技有限公司 | Electronic equipment, heartbeat detection device and heart rate detection method |
| CN112394218A (en) * | 2019-08-16 | 2021-02-23 | 宇瞻科技股份有限公司 | Signal measurement circuit and optical module suitable for same |
| CN113082555A (en) * | 2021-05-07 | 2021-07-09 | 北京肿瘤医院(北京大学肿瘤医院) | Human body chest and abdomen compression monitoring system, method and application thereof |
-
2017
- 2017-02-24 CN CN201720176540.4U patent/CN207071086U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108498083A (en) * | 2017-02-24 | 2018-09-07 | 深圳市迈迪加科技发展有限公司 | A kind of physiologic information monitoring device and method |
| CN108937901A (en) * | 2018-06-14 | 2018-12-07 | 南昌华勤电子科技有限公司 | Electronic equipment, heartbeat detection device and heart rate detection method |
| CN108937901B (en) * | 2018-06-14 | 2021-07-23 | 南昌华勤电子科技有限公司 | Electronic device, heart rate detection device and heart rate detection method |
| CN112394218A (en) * | 2019-08-16 | 2021-02-23 | 宇瞻科技股份有限公司 | Signal measurement circuit and optical module suitable for same |
| CN113082555A (en) * | 2021-05-07 | 2021-07-09 | 北京肿瘤医院(北京大学肿瘤医院) | Human body chest and abdomen compression monitoring system, method and application thereof |
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