CN206518554U - Suffocate auxiliary monitoring instrument - Google Patents
Suffocate auxiliary monitoring instrument Download PDFInfo
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- CN206518554U CN206518554U CN201621161808.9U CN201621161808U CN206518554U CN 206518554 U CN206518554 U CN 206518554U CN 201621161808 U CN201621161808 U CN 201621161808U CN 206518554 U CN206518554 U CN 206518554U
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- signal
- monitoring instrument
- auxiliary monitoring
- asphyxia
- suffocate
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Abstract
The utility model discloses one kind asphyxia auxiliary monitoring instrument, include the detecting module that favour stone full-bridge circuit is constituted, Signal-regulated kinase, MCU module and display module；The favour stone full-bridge circuit is arranged in oxygen face mask, for detecting breath signal, point after breath signal is made the difference by signal processing module, input MCU module and carry out calculation process, finally by parameters such as display module output respiratory rate, breathing state, asphyxia alarm loggings, and breathing block diagram is shown in real time.The utility model improves the sensitivity of detection breath signal, and cost is low.
Description
Technical field
The utility model is related to field of medical device field, more particularly to a kind of asphyxia auxiliary monitoring instrument.
Background technology
In the severe-Iy ill patients of hospitalize, the reason for a big chunk patient is because of disease itself in the presence of asphyxia risk,
Particularly occur at night after such event, tend not to be found in time by families of patients and medical personnel, miss optimal
Rescue opportunity.Current various breathing machine equipments and part monitoring equipment integrating have asphyxia monitoring function, but these equipment
Expensive, most of basic hospital only has the need for a small amount of equipment can not meet patient, be just Grade III Class A hospital also only
It is part configuration, can not be taken into account for the patient for having breathing asphyxia potential danger.
Prior art 1, lung ventilator detection device using pressure sensor, chest movement sensor, abdominal exercise sensor,
Sound of snoring sensor and body position sensor are to the electrocardio of human body, blood oxygen, breathing, chest exercise, abdominal exercise, the sound of snoring and body position signal
It is acquired, is shown on the touchscreen after amplified, filtering, AD data conversions；The various sensors of this kind of monitoring of respiration equipment
Complicated, cost is high, and needs to be placed on the person, inconvenient for use, and sets a large amount of signal filters for each acquisition target
Ripple amplifying circuit, complicated, cost is high.
Prior art 2, respiratory apnea monitor is acquired sign by pressure sensor and flow sensor to human body
After signal, and amplified, filtering, AD data conversions, follow-up breath signal processing is carried out.Prior art is carried out to apnea
During the instrument collection signal of monitoring, filter amplification circuit structure occupies the larger circuit board space position of monitoring instrument so that prison
Survey instrument and equipment volume larger, cost rise.
The content of the invention
The utility model provides a kind of asphyxia auxiliary monitoring instrument, improves the sensitivity of detection breath signal, cost is low.
To reach above-mentioned technical purpose, the utility model uses following technical scheme：
Detecting module, is made up of favour stone full-bridge circuit, for detecting breath signal；
Signal-regulated kinase, for receiving the breath signal, does difference processing output single channel by two-way breath signal and exhales
Inhale signal；
MCU module, for receiving the single channel breath signal, and calculates respiratory rate, judges breathing state and preservation is stopped up
Cease alarm logging；
Display module, the output signal for receiving the MCU module, display respiratory rate, breathing state and/or asphyxia
The parameter of alarm logging, and the block diagram of display breathing in real time.
Preferably, the favour stone full-bridge circuit is made up of four thermistors.
Preferably, the Signal-regulated kinase is a subtracter.
Further, in addition to cover mouth, the mask of nose or to cover mouth, nose and the oxygen mask for connecting oxygen hose,
The Wheatstone bridge is arranged in mask or oxygen mask so that the application asphyxia auxiliary monitoring instrument more light and flexible, nothing
The sensor time for detecting sign need to be placed in whole body.
Further, the MCU module connects an alarm.
Further, the MCU module is configured with button, and button includes setting time of fire alarming threshold value button, pause alarm
Turned on button and alarm logging/under turn over one or more combinations in button.
Further, the display module is touch-screen or display screen.
Beneficial effect
Our utility model detects breath signal compared to ordinary sensors, and breath signal is detected using favour stone full-bridge circuit
With higher sensitivity and low-cost advantage so that asphyxia auxiliary monitoring instrument needs not move through filtering, the processing of amplification, without
Expensive other sensors (flow sensor, CO2 sensors etc.) auxiliary just can accurately detect breath signal, therefore
Reduce system cost.
Brief description of the drawings
Fig. 1 is the hardware architecture diagram for the asphyxia auxiliary monitoring instrument embodiment 1 that the utility model is provided；
Fig. 2 is provided with the oxygen mask structural representation of favour stone full-bridge circuit；
Fig. 3 is the breath signal voltage pattern (a) and the breath signal of ordinary sensors detection of favour stone full-bridge circuit detection
Voltage pattern (b)；
Fig. 4 is the hardware architecture diagram for the asphyxia auxiliary monitoring instrument embodiment 2 that the utility model is provided.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe.
Embodiment 1
Such as Fig. 1, the present embodiment asphyxia auxiliary monitoring instrument, including the favour stone full-bridge circuit that four thermistors 2 are constituted
101st, Signal-regulated kinase, MCU module 103, display screen 104 and the buzzer 106 that subtracter 102 is constituted, the favour stone is complete
Bridge circuit 101 detects breath signal, and two output ends of favour stone full-bridge circuit 101 connect two inputs of subtracter 102, subtraction
The output end connection MCU module 103 of device 102；The two-way detected by favour stone full-bridge circuit 101 breathes voltage signal, passes through
Subtracter 102, difference processing output single channel breath signal is made by two-way breathing voltage signal, and MCU module 103 receives single channel
Breath signal, calculates respiratory rate, judges breathing state, preserves the computings such as alarm logging, exhaled by the output display of display screen 104
Inhale the parameter of frequency, breathing state and/or the alarm logging that suffocates, and the block diagram of output display breathing in real time；MCU module 103
Output end be also connected with a buzzer 106.
Wherein, the favour stone full-bridge circuit 102 can be arranged directly on human body mouthful, at nose.Or, favour as described in Figure 2
Stone full-bridge circuit can be arranged on to cover in the mask of mouth, nose or to cover mouth, nose and the oxygen mask for connecting oxygen hose 3
In 1, favour stone full-bridge circuit 101 is breath signal probe unit, is arranged in mask and causes the application asphyxia auxiliary monitoring instrument
More light and flexible, without the sensor of sign will be detected all over being placed in whole body.
The application detects breath signal compared to ordinary sensors, and the detection breath signal of favour stone full-bridge circuit 101 has more
High sensitivity and low-cost advantage so that asphyxia auxiliary monitoring instrument needs not move through filter amplification circuit, it is possible to accurate detection
To breath signal in order to judge whether the purpose of asphyxia, referring to Fig. 3, abscissa is the time, and unit is the second, and ordinate is electricity
Pressure, unit is volt, and object is detected for identical, and the breath signal peak-to-peak value voltage of wheatstone bridge circuits detection is about
0.1V, the breath signal peak-to-peak value voltage about 0.025V that ordinary sensors are detected, both compare, wheatstone bridge circuits
Detect breath signal voltage sensibility and improve 4 times.
MCU module 103 includes A/D converting units, signal processing unit and system control unit；A/D modular converters are used
In the breath signal of simulation is converted into data signal；Signal processing unit relates generally to software denoising, sets respiration threshold, meter
Calculate respiratory rate, and asphyxia detection；System control unit is mainly used in carrying out keystroke handling and display control.
Display screen 104 is mainly used in showing in the essential information (name, age, sex) and monitoring process of patient
Row parameter, including respiratory rate, refresh in real time breathing block diagram, alarm total degree and history alarm logging (time of origin,
Duration and breathing reset mode).
The configuration of MCU module 103 is connected with alarm lamp.
MCU module 103 is also configured with button 105, and button 105 is physical button, and it includes setting time of fire alarming threshold value to press
Turned on key, pause alarm key and alarm logging/under turn over one or more combinations in button.
Alarmed using the asphyxia auxiliary monitoring instrument monitoring of respiration effective to patient's progress and asphyxia, specific works step is such as
Under：
Oxygen mask has been dressed for monitoring object；
Connect with the mains, press power switch, system starts, and display screen 104 is lighted, and system initially enters monitoring of respiration shape
State；
, can be according to patient status, when selecting the alarm to be set by setting time of fire alarming threshold value button in monitoring process
Between threshold value；Time of fire alarming threshold value sets 3 gears, 20S, 30S and 40S altogether, and system initial default is 20S gears, sets alarm
Time threshold button is often by next time, and gear+1 is constantly circulated；
In monitoring process, if there is apnea, and the duration is more than set alarm threshold value time, then buzzing
Device 106 sends alarm, shows that monitoring object occurs in that asphyxia；If display screen 104 is in backlight closed mode before alarm,
Screen can be lighted during asphyxia alarm, and breathing state is changed into abnormal from normal, respiratory rate is shown as 0 beat/min, and newly-increased one
Alarm logging；
After asphyxia alarm, if patient respiration recovers, it can stop automatically after the breath signal of system detectio to 3 cycles
Only alarm, and breathing state becomes normal from abnormal on screen, reset mode (A/T, A under alarm logging：It is automatic to recover, T：
Pause manually) it is shown as A；
After alarm is heard, medical personnel can also suspend buzzer by suspending alarm key, now be breathed on screen
State is changed into normal from abnormal, while the reset mode (A/T) under alarm logging is shown as T, system proceeds monitoring of respiration；
Under default conditions, 1-10 alarm logging of interface display can be remembered when alarm logging is more than 10 by alarming
Turned in record/under turn over button consult alarm logging.
Embodiment 2
Such as Fig. 4, the present embodiment asphyxia auxiliary monitoring instrument, including detecting module, the subtraction that favour stone full-bridge circuit 201 is constituted
Signal-regulated kinase, MCU module 203, touch-screen 204 and buzzer 205 that device 202 is constituted；The favour stone full-bridge circuit 201
Detect breath signal, two output ends of favour stone full-bridge circuit 201 connect two inputs of subtracter 202, subtracter 202 it is defeated
Go out end connection MCU module 203；The two-way detected by favour stone full-bridge circuit 201 breathes voltage signal, by subtracter 202,
Two-way breathing voltage signal is made into difference processing output single channel breath signal, MCU module 203 receives single channel breath signal,
Respiratory rate is calculated, breathing state is judged, preserves the computings such as alarm logging, by the output display respiratory rate of touch-screen 204, is exhaled
The parameter of suction state and/or the alarm logging that suffocates, and the block diagram of output display breathing in real time；The output end of MCU module 203 is also
Connect a buzzer 205.
Wherein, the detecting module that the wheatstone bridge circuits 201 are constituted can be arranged directly on human body mouthful, at nose.Or
Person, the Wheatstone bridge 201 can be arranged on to cover in the mask of mouth, nose or to cover mouth, nose and connection oxygen hose
In oxygen mask 1, the probe unit that Wheatstone bridge is constituted is arranged in mask and causes the application asphyxia auxiliary monitoring instrument more
Light and flexible, without the sensor time for detecting sign is placed in into whole body.
The application detects breath signal compared to ordinary sensors, and Wheatstone bridge detection breath signal has higher sensitive
Degree and low-cost advantage so that asphyxia auxiliary monitoring instrument need not move through filter amplification circuit, it is possible to detect breath signal with
It is easy to judge whether the purpose of asphyxia；Wheatstone bridge detects breath signal voltage and ordinary sensors detection breath signal voltage
The voltage pattern be the same as Example 1 compared is identical.
MCU module 203 includes A/D converting units, signal processing unit and system control unit；A/D modular converters are used
In the breath signal of simulation is converted into data signal；Signal processing unit relates generally to software denoising, sets respiration threshold, meter
Calculate respiratory rate, and asphyxia detection；System control unit is mainly used in carrying out keystroke handling and display control.
Touch-screen 204 is mainly used in showing in the essential information (name, age, sex) and monitoring process of patient
Row parameter, including respiratory rate, refresh in real time breathing block diagram, alarm total degree and history alarm logging (time of origin,
Duration and breathing reset mode).
MCU module 203 is configured with button, and button is the virtual key on touch-screen 204, and it includes setting time of fire alarming threshold
Turned on value button, pause alarm key and alarm logging/under turn over one or more combinations in button.
Alarmed using the asphyxia auxiliary monitoring instrument monitoring of respiration effective to patient's progress and asphyxia, specific works step is implemented
The be the same as Example 1 of example 2 is identical, does not repeat herein.
Described above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and moistened
Decorations are also considered as protection domain of the present utility model.
Claims (7)
1. suffocate auxiliary monitoring instrument, it is characterised in that including
Detecting module, is made up of favour stone full-bridge circuit, for detecting breath signal；
Signal-regulated kinase, for receiving the breath signal, does difference processing output single channel breathing by two-way breath signal and believes
Number；
MCU module, for receiving the single channel breath signal, and calculates respiratory rate, judges breathing state and preserves asphyxia report
Alert record；
Display module, the output signal for receiving the MCU module, display respiratory rate, breathing state and/or asphyxia alarm
The parameter of record, and the block diagram of display breathing in real time.
2. suffocate auxiliary monitoring instrument as claimed in claim 1, it is characterised in that the favour stone full-bridge circuit is by four temperature-sensitives
Resistance is constituted.
3. suffocate auxiliary monitoring instrument as claimed in claim 1, it is characterised in that the Signal-regulated kinase is a subtracter.
4. suffocate auxiliary monitoring instrument as claimed in claim 1, it is characterised in that also including to cover mouth, the mask of nose or use
To cover mouth, nose and the oxygen mask for connecting oxygen hose, the favour stone full-bridge circuit is arranged in mask or oxygen mask.
5. suffocate auxiliary monitoring instrument as claimed in claim 1, it is characterised in that the MCU module connects an alarm.
6. suffocate auxiliary monitoring instrument as claimed in claim 1, it is characterised in that the MCU module is connected with button, button bag
Include set turned on time of fire alarming threshold value button, pause alarm key and alarm logging/under turn over one or more combinations in button.
7. the asphyxia auxiliary monitoring instrument as described in any claim in claim 1-6, it is characterised in that the display module
For touch-screen or display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621161808.9U CN206518554U (en) | 2016-10-25 | 2016-10-25 | Suffocate auxiliary monitoring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621161808.9U CN206518554U (en) | 2016-10-25 | 2016-10-25 | Suffocate auxiliary monitoring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206518554U true CN206518554U (en) | 2017-09-26 |
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ID=59889127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621161808.9U Active CN206518554U (en) | 2016-10-25 | 2016-10-25 | Suffocate auxiliary monitoring instrument |
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| CN (1) | CN206518554U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109222935A (en) * | 2018-11-01 | 2019-01-18 | 广东工业大学 | A kind of method and system judging sleep quality of human body based on UWB sensor |
| CN112043933A (en) * | 2020-10-09 | 2020-12-08 | 上海市东方医院（同济大学附属东方医院） | Non-indentation respiratory mask |
-
2016
- 2016-10-25 CN CN201621161808.9U patent/CN206518554U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109222935A (en) * | 2018-11-01 | 2019-01-18 | 广东工业大学 | A kind of method and system judging sleep quality of human body based on UWB sensor |
| CN112043933A (en) * | 2020-10-09 | 2020-12-08 | 上海市东方医院（同济大学附属东方医院） | Non-indentation respiratory mask |
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