CN204447031U - A kind of intelligent monitoring device of air respiratorresuscitator state - Google Patents
A kind of intelligent monitoring device of air respiratorresuscitator state Download PDFInfo
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- CN204447031U CN204447031U CN201520042085.XU CN201520042085U CN204447031U CN 204447031 U CN204447031 U CN 204447031U CN 201520042085 U CN201520042085 U CN 201520042085U CN 204447031 U CN204447031 U CN 204447031U
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Abstract
An intelligent monitoring device for air respiratorresuscitator state, this intelligent monitoring device is made up of central control unit, power supply unit, pressure sensor unit, switch control unit, liquid crystal display, indicator unit and vibration prompting unit; Central control unit is the core of whole intelligent monitoring device, it is connected with switch control unit, pressure sensor unit, liquid crystal display, indicator unit and vibration prompting unit respectively, integral installation is on same circuit board, and power supply unit is then connected with above-mentioned each unit by supply line.The utility model is that one can carry out real-time monitoring alarming to positive pressure respirator current gas pressure, and this device adopts digitlization display mode, facilitates readability, and vibrations can be provided to report to the police when remaining tolerance and being less than 5Mpa.
Description
Technical field
The utility model belongs to the condition monitoring field of emergency management and rescue equipment, relates to a kind of intelligent monitoring device of air respiratorresuscitator state.
Background technology
Along with the increase gradually of the potential safety hazard such as chemical accident, fire; positive-pressure air respirator get more and more be provided to specialty rescue unit of army, fire brigade and various specialty rescue strength in; simultaneously in some professional work occasions, it is also absolutely necessary labour protection apparatus.Air respiratorresuscitator structure is simple, can at special occasions for rescue personnel provides the air of certain pressure, but the domestic inspection for positive pressure respirator at present, general external equipment or the simple method of trying out of adopting before use carries out air-tightness and fault detect, and some are also adopt the qualitative warning observed mechanical pressure gauge, listen alarm whistle or show reddish yellow green light one class with some digital sound electro-optical display devices about the mode that air respiratorresuscitator tolerance is reported to the police simultaneously.In operation process, also do not have substantive realization to air respiratorresuscitator for the dynamic monitoring of gaseity, its problem is mainly manifested in:
1, in specific environment, the display of mechanical compression meter reading is fuzzy.The Pressure gauge of conventional air respirator is mechanical compression table, and its reading relies on the pointer on dial plate to indicate corresponding pressure form to complete.When the severe site environment work such as fire, earthquake, chemical aid, some smog, dust, chemicals are understood block vision or condensed on dial plate affects reading.
2, air respiratorresuscitator residue tolerance situation shortage is accurately estimated.Rescue personnel operationally between breath state be unstable.Have data to show, according to the difference of person works's intensity, function of human body, the service time of air respiratorresuscitator can differ more than one times.Some rescue intensity is comparatively large, and personnel are short of breath, rapid heart beat, so also have larger shortening more at ordinary times service time, and more domestic document employing adds single port expiration amount according to heartbeat and estimates that separately air rate method might not go out remaining time by scientific algorithm.This makes rescue personnel control the clear and definite foundation of shortage to the entirety of withdrawing, and naturally also can bring larger danger.But the breath state often in last minute often better can predict expiration situation in the future.Therefore determine that a kind of residual compression of science is estimated and shows.The utility model relates to a kind of to the supervising device of positive pressure respirator for gaseity.
Utility model content
The purpose of this utility model is: the intelligent monitoring device providing a kind of air respiratorresuscitator state, it is that one can carry out real-time monitoring alarming to positive pressure respirator current gas pressure, and the monitoring device of remaining time available can be estimated according to above-mentioned evaluation method, this device adopts digitlization display mode, facilitate readability, and vibrations can be provided to report to the police when remaining tolerance and being less than 5Mpa.
1) intelligent monitoring and controlling device of a kind of air respiratorresuscitator state of the utility model, it is made up of central control unit, power supply unit, pressure sensor unit, switch control unit, liquid crystal display, indicator unit and vibration prompting unit.Position annexation between above-mentioned each unit is: central control unit is the core of whole intelligent monitoring device, it is connected with switch control unit, pressure sensor unit, liquid crystal display, indicator unit and vibration prompting unit respectively, integral installation is on same circuit board, and power supply unit is then connected with above-mentioned each unit by supply line.
Described central control unit adopts the embedded system based on ARM, primarily of hardware and intellectual monitoring software two parts composition, this hardware is the development board based on ARM, this intellectual monitoring software is based on Android operation system exploitation, can realize System self-test, pressure acquisition, residue tolerance estimation computing, liquid crystal display, indicator lamp Presentation Function and vibrations prompt functions.
Described power supply unit adopts lithium battery, can provide power supply for whole intelligent monitoring device runs.
Described pressure sensor unit is a baroceptor, and it gathers gas cylinder high pressure, and is converted to data signal, is transferred to central control unit.
Described switch control unit is two buttons that startup and shutdown trigger, and it mainly inputs startup and shutdown signal to central control unit, for starting and stop the work of this intelligent monitoring device.
Described liquid crystal display is a digital lcd panel, in order to show the displaying contents of central control unit transmission, as current gas pressure value and the numerical value estimating remaining time.
Described indicator unit is made up of the LED light of green, blue, red three colors, completes corresponding indicator lamp light according to residue tolerance situation by central control unit.
Described vibration prompting unit is made up of an integrated vibrations circuit module, can provide vibration prompting according to the instruction of central control unit.
The working method of above-mentioned each unit is: the opening button and can control power supply unit and power to all the other each unit of switch control unit, and central control unit starts the operating system, and runs intellectual monitoring software; First intellectual monitoring software carry out System self-test to each unit, enters monitor state after completing self-inspection; Under monitor state, central control unit gathers air pressure signal by pressure sensor unit, and real-time Transmission shows current storage pressure to liquid crystal display; When pressure is greater than 20Mpa, acquiescence tolerance is sufficient, does not estimate remaining time, and controls indicator unit point and give a green light; When pressure be less than 20Mpa, be greater than 5Mpa time, central control unit starts remaining time estimating algorithm and also remaining time is presented at liquid crystal display with numeric form, and controls indicator unit point light blue lamp; When pressure is less than 5Mpa, central control unit controls liquid crystal display display pressure and evaluation time, controls indicator unit display point and sends out a warning, and controls vibration prompting unit and provide vibrations to report to the police
2) intelligent monitoring method for air respiratorresuscitator state, the method concrete steps are as follows:
Step one: state data acquisition: start timing when storage pressure drops to 20Mpa, the t in first group of data of collection counts t
s, pressure of the inside of a bottle is
the t that timing terminates rear the last second counts t
e, pressure of the inside of a bottle is
so in whole timing course, the pressure signal in seconds in continuous acquisition gas cylinder, and atmospheric pressure value when recording the collection of each moment, form a two-dimensional array (t p
t).In array, t is gas cylinder current time, and unit is accurate to second; p
tfor existing pressure in bottle during time t, unit is Mpa.
Step 2: status data analysis: positive pressure respirator all has orthobaric volume, as 6.8L etc., when orthobaric volume is constant, every user of service is in different duties, and respiratory capacity varies.According to the difference of end user's breath state, consume tolerance and be embodied in the amplitude of pressure drop.For in use procedure because working strength strengthens the respiratory variations that produces, the expiration situation in one minute is more suitable for estimating remaining time, remains pot life T process and the pressure in gas cylinder and can set up formula relationship below in its gas cylinder:
P in formula
t-1for the pressure of gas cylinder before 1 minute, unit is Mpa.
Above formula is estimation equation remaining time, therefrom can find out, therefore selects the pressure of gas cylinder before 1 minute and the difference (p of existing pressure
t-1-p
t) fall for unit consumes air pressure.
State data acquisition and data analysis are synchronously being carried out, and can estimate any instant residue tolerance in real time and can supply the librarian use time, and dynamically update.
Advantage and effect: intelligent monitoring device described in the utility model carries out intelligent computing and monitoring on measurement gas cylinder gases at high pressure basis, is not therefore changing air respiratorresuscitator original structure, is not reducing on original parts basis and install additional.Its loading pattern is: original Pressure gauge and tube connector thereof are taken off from pressure-reducing valve, installs a triple valve additional at link position, and original Pressure gauge tube connector connects by triple valve one end, and the triple valve other end is by a pressure catheter and intellectual monitoring model calling.This triple valve neither affects the gas circuit of former Bonding pressure table, maintains Primordial Qi pressure measurement function constant, high pressure gas can be communicated with intelligent monitoring device by pressure catheter by the other end again.
Accompanying drawing explanation
Fig. 1 is the scheme of installation of positive pressure respirator state monitoring apparatus
Fig. 2 is the structure principle chart of intelligent monitoring device
Fig. 3 is positive pressure respirator status monitoring workflow diagram
In figure, symbol description is as follows:
1, triple valve; 2, pressure catheter; 3, intellectual monitoring module; 4, central control unit; 5, power supply unit; 6, switch control unit; 7, pressure sensor unit; 8, liquid crystal display; 9, indicator unit; 10, vibration prompting unit; 11, gas cylinder; 12, Pressure gauge; 13, high-voltage tube; 14, switch valve; 15, pressure-reducing valve; 16, the low pressure alarming whistle; 17, middle pressure conduit; 18, face shield.
Detailed description of the invention
As Fig. 1, it is the scheme of installation of the air respiratorresuscitator state monitoring apparatus that the utility model is implemented.The utility model adopts installs a triple valve 1 in the middle of positive pressure respirator Pressure gauge 12 and pressure-reducing valve 15, and triple valve 1 the 3rd end is connected with intellectual monitoring module 3 by pressure catheter 2.Triple valve 1 is arranged on the air-path interface of former Bonding pressure table 12, high pressure gas can be led directly to Pressure gauge 12, maintain Primordial Qi pressure measurement function constant; High pressure gas is passed to pressure catheter 2 by the other end by triple valve 1 simultaneously, and pressure catheter 2 is hose form, gas can be communicated with intellectual monitoring module 3.
As Fig. 2, it is the structure principle chart of the intelligent monitoring device that the utility model is implemented.Intelligent monitoring device is made up of central control unit 4, power supply unit 5, switch control unit 6, pressure sensor unit 7, liquid crystal display 8, indicator unit 9 and vibration prompting unit 10.Central control unit 4 forms primarily of hardware and software, process the pressure monitored, carry out the prediction and calculation of remaining time, and convert the numerical monitor time to, there is provided corresponding indicator lamp and vibration prompting, central control unit 4 is built-in with natural time timer in good time.Power supply unit 5 provides power supply for whole intellectual monitoring module.Switch control unit 6 mainly inputs startup and shutdown signal to central control unit 4, for starting and stop the work of intelligent monitoring device.Pressure sensor unit 7 gathers the storage pressure signal that in Fig. 1, pressure catheter 2 conducting is come, and is converted to data signal, is transferred to central control unit 4.Liquid crystal display 8 is digital lcd panel, the current gas pressure value that display central control unit 4 transmits and the numerical value estimating remaining time.Indicator unit 9 is made up of the LED light of green, blue, red three colors, completes corresponding indicator lamp light according to residue tolerance situation by central control unit 4.Vibration prompting unit 10 is made up of a vibrations circuit, can provide vibration prompting according to the instruction of central control unit 4.
As Fig. 3, it is air respiratorresuscitator status monitoring workflow diagram.The monitoring method of showing in flow chart is: (1) presses the start button of switch control unit 6, and power supply unit 5 starts as each unit is powered, and central control unit 4 is started working, and completes " startup "; (2) the automatic detected pressures sensor unit 7 of the software systems in central control unit 4, liquid crystal display 8, indicator unit 9, vibration prompting unit 10; (3) the data air pressure p of pressure sensor unit 7 transmission of central control unit 4 continuous acquisition current time t
t, and air pressure data are transferred to liquid crystal display 8, show current bottle internal gas pressure; (4) if press the close key of switch control unit 6 in the course of work, system closedown; (5) the air pressure p of central control unit 4 reading
tif be greater than 20Mpa, prove that tolerance is sufficient, the green light of indicator unit 9 is lighted; (6) the air pressure p of central control unit 4 reading
tif be less than 20Mpa and be greater than 5Mpa, prove that tolerance is in serviceability limit stage, but be necessary prompting personnel remaining time, central control unit 4 estimates gas pot life t in current breathing state bottle according to the time-to-go algorithm be solidificated in software systems, and time value is transferred to liquid crystal display 9 and shows, now liquid crystal display 9 shows t and air pressure p remaining time simultaneously
t, the blue lamp of indicator unit 9 is lighted; (7) the air pressure p of central control unit 4 reading
tif be less than 5Mpa, prove that tolerance is in the stage of exhausting, be badly in need of prompting personnel remaining time, central control unit 4 completes liquid crystal display 8 in (6) and shows, the red light being lit of indicator unit 9, and vibration prompting unit 10 starts vibrations warning.
Claims (1)
1. an intelligent monitoring device for air respiratorresuscitator state, is characterized in that: this intelligent monitoring device is made up of central control unit, power supply unit, pressure sensor unit, switch control unit, liquid crystal display, indicator unit and vibration prompting unit; Central control unit is the core of whole intelligent monitoring device, it is connected with switch control unit, pressure sensor unit, liquid crystal display, indicator unit and vibration prompting unit respectively, integral installation is on same circuit board, and power supply unit is then connected with above-mentioned each unit by supply line;
Described central control unit adopts the embedded system based on ARM, and its hardware is the development board based on ARM;
Described power supply unit adopts lithium battery, for whole intelligent monitoring device provides power supply;
Described pressure sensor unit is a baroceptor, and it gathers gas cylinder high pressure, and is converted to data signal, is transferred to central control unit;
Described switch control unit is two buttons that startup and shutdown trigger, and it inputs startup and shutdown signal to central control unit, for starting and stop the work of this intelligent monitoring device;
Described liquid crystal display is a digital lcd panel, to show the displaying contents of central control unit transmission;
Described indicator unit is made up of the LED light of green, blue, red three colors, completes corresponding indicator lamp light according to residue tolerance situation by central control unit;
Described vibration prompting unit is made up of an integrated vibrations circuit module, and the instruction according to central control unit provides vibration prompting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520042085.XU CN204447031U (en) | 2015-01-21 | 2015-01-21 | A kind of intelligent monitoring device of air respiratorresuscitator state |
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| CN201520042085.XU CN204447031U (en) | 2015-01-21 | 2015-01-21 | A kind of intelligent monitoring device of air respiratorresuscitator state |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104606804A (en) * | 2015-01-21 | 2015-05-13 | 中国人民解放军防化学院 | Intelligent monitoring device and method for air respirator state |
| CN108663479A (en) * | 2017-03-27 | 2018-10-16 | 北京极体科技有限公司 | A method of realizing intelligent self-loopa detection monitoring |
-
2015
- 2015-01-21 CN CN201520042085.XU patent/CN204447031U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104606804A (en) * | 2015-01-21 | 2015-05-13 | 中国人民解放军防化学院 | Intelligent monitoring device and method for air respirator state |
| CN108663479A (en) * | 2017-03-27 | 2018-10-16 | 北京极体科技有限公司 | A method of realizing intelligent self-loopa detection monitoring |
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