CN202257846U - Electronic alarm for positive pressure oxygen breathing apparatus - Google Patents
Electronic alarm for positive pressure oxygen breathing apparatus Download PDFInfo
- Publication number
- CN202257846U CN202257846U CN2011204052702U CN201120405270U CN202257846U CN 202257846 U CN202257846 U CN 202257846U CN 2011204052702 U CN2011204052702 U CN 2011204052702U CN 201120405270 U CN201120405270 U CN 201120405270U CN 202257846 U CN202257846 U CN 202257846U
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- microprocessor
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Abstract
The utility model relates to an electronic alarm for a positive pressure oxygen breathing apparatus. The electronic alarm consists of a high-pressure sensor, a temperature sensor, a vibration sensor, a microprocessor, a battery unit, a liquid crystal display unit and an acousto-optic alarm unit, wherein an analogue/digital (A/D) analog input pin of the microprocessor is connected with a reference voltage circuit; the high-pressure sensor sends the acquired pressure analog quantity to the A/D analog input pin of the microprocessor; the output voltage of the battery unit is sent to the A/D analog input pin of the microprocessor; and data of the temperature sensor and a signal of the vibration sensor are sent to the microprocessor through a digital interface. The electronic alarm for the positive pressure oxygen breathing apparatus can detect the usage situation of oxygen in real time for rescue workers in the rescue process and can give an alarm in an acoustic-optical manner to remind the rescue workers to evacuate a rescue site when the oxygen is not enough, so that the rescue quality is greatly improved. The temperature sensor and the vibration sensor are arranged inside the electronic alarm, so that the environmental temperature of the rescue site can be detected in real time, the alarm can be given out when the rescue workers keep still for a long time, and the safety of the rescue workers is further guaranteed.
Description
Technical field
The utility model belongs to the electronic alarm technique field, is specifically related to a kind of positive pressure oxygen respirator electronic alarm.
Background technology
Positive pressure oxygen respirator is the indispensable personal protection device of rescue team member, is widely used in anoxic, anaerobic or has rescue team member's in poisonous, the harmful gas environment operation or rescue.The positive pressure oxygen respirator that uses does not at present have electronics to show and the electronic warning function that pressure display is general pointer pressure, and low pressure alarming is reported to the police through airflow noise, function singleness, and reliability is low, can not fully ensure rescue personnel's safety.
Summary of the invention
The technical matters that the utility model solves: design a kind of positive pressure oxygen respirator electronic alarm; With the supporting use of existing positive pressure oxygen respirator; Can detect in real time rescue team member's oxygen operating position in the rescue process; And sound and light alarm reminds the rescue team member to withdraw rescue site when oxygen is not enough, effectively avoids the rescue team member in the rescue process, to occur threatening the inherently safe situation to occur, and greatly improves the rescue quality.Built-in temperature sensor and vibration transducer can detect on-the-spot environment temperature in real time simultaneously, when the long-time transfixion of rescue team member, send warning, further ensure rescue personnel's safety.
The technical solution of the utility model: a kind of positive pressure oxygen respirator electronic alarm, form by high pressure sensor, temperature sensor, vibration transducer, microprocessor, battery unit, liquid crystal display and acousto-optic warning unit; Be connected with reference voltage circuit on the A/D analog input pin of microprocessor; High pressure sensor connects the A/D analog input pin that the pressure simulation amount that collects is sent microprocessor; The battery unit output voltage send the A/D analog input pin of microprocessor; The temperature sensor data are sent to microprocessor through digital interface, and vibration sensor signal is sent to microprocessor through digital interface; Microprocessor constantly reads pressure data and the battery voltage values that high pressure sensor is gathered; And it is big or small to give liquid crystal display demonstration pressure; When the pressure data values of being read was lower than the warning value that sets or detect the cell voltage deficiency, microprocessor was given acousto-optic warning unit with alerting signal and is sent the sound and light alarm signal; Microprocessor detects in real time and gathers scene temperature through temperature sensor; Quiet, moving state through the real-time testing staff of vibration transducer; Testing result liquor charging crystal display after microprocessor processes shows; When testing result need be reported to the police, microprocessor was given acousto-optic warning unit with alerting signal and is sent alerting signal.
Said battery unit is made up of battery, power management control circuit, battery voltage sampling circuit and minute-pressure difference switch, and cell output voltage is given the A/D analog input pin of microprocessor through power management control circuit, battery voltage sampling circuit; Minute-pressure difference switch output control signal is through power management control circuit control battery output two-way WV.
Said liquid crystal display is made up of liquid crystal display drive circuit and LCDs; Said acousto-optic warning unit is made up of acousto-optic driving circuit and audible-visual annunciator.
Be connected with keyboard unit on the digital interface of said microprocessor, said keyboard unit is made up of keyboard input circuit and keyboard.
Said audible-visual annunciator is made up of light emitting diode and hummer.
Advantage that the utility model compared with prior art has and effect:
1, the utility model can be gathered the variation of positive pressure oxygen respirator gas cylinder internal pressure in real time and show in real time; When insufficient pressure, send sound and light alarm; Can estimate simultaneously operational time when remaining oxygen to overbottom pressure is reported to the police in the gas cylinder; Remind the rescue team member in time to withdraw rescue site, effectively avoid the rescue team member in the rescue process, to occur threatening the inherently safe situation to occur, greatly improve the rescue quality.
2, the utility model built-in temperature sensor and vibration transducer; Can detect on-the-spot environment temperature in real time on the one hand; And can on liquid crystal display, show through inquiry; Can when the long-time transfixion of rescue team member, send warning on the other hand, also can manually send to call for help and report to the police, further ensure rescue personnel's safety.
3, the utility model detects cell voltage in real time, when battery electric quantity is not enough, can send the sound and light alarm prompting, and shows the battery symbol space at liquid crystal display, continues to glimmer and report to the police simultaneously, and battery is changed in prompting.
4, the utlity model has the high pressure airtight test, open the gas cylinder Auto Power On and close automatically function such as shutdown of gas cylinder, not only safe reliability height, and saves energy.
Description of drawings
Fig. 1 is the schematic block circuit diagram of the utility model.
Embodiment
A kind of embodiment of the utility model is described in conjunction with accompanying drawing 1.
A kind of positive pressure oxygen respirator electronic alarm is made up of high pressure sensor, temperature sensor, vibration transducer, microprocessor, battery unit, liquid crystal display and acousto-optic warning unit; Be connected with reference voltage circuit on the A/D analog input pin of microprocessor; High pressure sensor connects the A/D analog input pin that the pressure simulation amount that collects is sent microprocessor; The battery unit output voltage send the A/D analog input pin of microprocessor; The temperature sensor data are sent to microprocessor through digital interface, and vibration sensor signal is sent to microprocessor through digital interface; Be connected with keyboard unit on the digital interface of said microprocessor, said keyboard unit is made up of keyboard input circuit and keyboard.
Said liquid crystal display is made up of liquid crystal display drive circuit and LCDs; Said acousto-optic warning unit is made up of acousto-optic driving circuit and audible-visual annunciator.Said audible-visual annunciator is made up of light emitting diode and hummer.Said microprocessor adopts high performance PIC series processors, and said high pressure sensor adopts high precision diffuse si oxygen special pressure sensor.
Said battery unit is made up of battery, power management control circuit, battery voltage sampling circuit and minute-pressure difference switch, and cell output voltage is given the A/D analog input pin of microprocessor through power management control circuit, battery voltage sampling circuit; Minute-pressure difference switch output control signal is through power management control circuit control battery output two-way WV.The minute-pressure difference switch is connected with the low-pressure system of positive pressure oxygen respirator; After the rescue team member wears respirator, forget and open gas cylinder; When the air bag internal gas pressure is greater than 125Pa in carrying out respiratory; The utility model send the prompting open the gas cylinder signal and carry out startup self-detection, open gas cylinder after, the utility model Auto Power On.Finish using, close gas cylinder, when storage pressure during less than 0.5Mpa, and the air bag internal gas pressure is during less than 125Pa, and the utility model shuts down automatically.
Microprocessor constantly reads pressure data and the battery voltage values that high pressure sensor is gathered, and gives liquid crystal display demonstration pressure size, can show operational estimated time of remaining oxygen and battery electric quantity in the gas cylinder through liquid crystal display.When the pressure data values of being read is lower than the warning value that sets or detect the cell voltage deficiency; Microprocessor is given acousto-optic warning unit with alerting signal and is sent the sound and light alarm signal; Remind rescue team member's oxygen deficiency must withdraw rescue site; Effectively avoid the rescue team member in the rescue process, to occur threatening the inherently safe situation to occur, greatly improve the rescue quality.During startup self-detection, if battery electric quantity is not enough, liquid crystal display shows the battery symbol space, continues to glimmer and report to the police simultaneously, and battery is changed in prompting.
Microprocessor detects in real time and gathers scene temperature through temperature sensor; Quiet, moving state through the real-time testing staff of vibration transducer; Testing result liquor charging crystal display after microprocessor processes shows; When testing result need be reported to the police, microprocessor was given acousto-optic warning unit with alerting signal and is sent alerting signal.The rescue team member also can directly press the warning button when the emergency circumstance, send strong warning distress call.
The operational time of remaining oxygen adopts the button inquiry mode to show in site environment temperature display mode and the gas cylinder.
Claims (5)
1. positive pressure oxygen respirator electronic alarm, it is characterized in that: said alarm is made up of high pressure sensor, temperature sensor, vibration transducer, microprocessor, battery unit, liquid crystal display and acousto-optic warning unit; Be connected with reference voltage circuit on the A/D analog input pin of microprocessor; High pressure sensor connects the A/D analog input pin that the pressure simulation amount that collects is sent microprocessor; The battery unit output voltage send the A/D analog input pin of microprocessor; The temperature sensor data are sent to microprocessor through digital interface, and vibration sensor signal is sent to microprocessor through digital interface; Microprocessor constantly reads pressure data and the battery voltage values that high pressure sensor is gathered; And it is big or small to give liquid crystal display demonstration pressure; When the pressure data values of being read was lower than the warning value that sets or detect the cell voltage deficiency, microprocessor was given acousto-optic warning unit with alerting signal and is sent the sound and light alarm signal; Microprocessor detects in real time and gathers scene temperature through temperature sensor; Quiet, moving state through the real-time testing staff of vibration transducer; Testing result liquor charging crystal display after microprocessor processes shows; When testing result need be reported to the police, microprocessor was given acousto-optic warning unit with alerting signal and is sent alerting signal.
2. positive pressure oxygen respirator electronic alarm according to claim 1; It is characterized in that: said battery unit is made up of battery, power management control circuit, battery voltage sampling circuit and minute-pressure difference switch, and cell output voltage is given the A/D analog input pin of microprocessor through power management control circuit, battery voltage sampling circuit; Minute-pressure difference switch output control signal is through power management control circuit control battery output two-way WV.
3. positive pressure oxygen respirator electronic alarm according to claim 1 and 2 is characterized in that: said liquid crystal display is made up of liquid crystal display drive circuit and LCDs; Said acousto-optic warning unit is made up of acousto-optic driving circuit and audible-visual annunciator.
4. positive pressure oxygen respirator electronic alarm according to claim 1 and 2 is characterized in that: be connected with keyboard unit on the digital interface of said microprocessor, said keyboard unit is made up of keyboard input circuit and keyboard.
5. positive pressure oxygen respirator electronic alarm according to claim 3 is characterized in that: said audible-visual annunciator is made up of light emitting diode and hummer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204052702U CN202257846U (en) | 2011-10-24 | 2011-10-24 | Electronic alarm for positive pressure oxygen breathing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204052702U CN202257846U (en) | 2011-10-24 | 2011-10-24 | Electronic alarm for positive pressure oxygen breathing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202257846U true CN202257846U (en) | 2012-05-30 |
Family
ID=46119056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204052702U Expired - Lifetime CN202257846U (en) | 2011-10-24 | 2011-10-24 | Electronic alarm for positive pressure oxygen breathing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202257846U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103638615A (en) * | 2013-12-03 | 2014-03-19 | 杭州摩图科技有限公司 | Air filtering mask |
| CN104288931A (en) * | 2014-10-23 | 2015-01-21 | 南通市海鸥救生防护用品有限公司 | Double alarm device of air breather |
| CN106355833A (en) * | 2016-08-09 | 2017-01-25 | 北京长城电子装备有限责任公司 | Comprehensive air pressure alarm device |
| CN107297035A (en) * | 2016-04-15 | 2017-10-27 | 北京安氧特科技有限公司 | It is a kind of that there is drinking-water, the positive-pressure type oxygen breathing apparatus of smart electronicses warning function |
| CN107349535A (en) * | 2017-07-05 | 2017-11-17 | 宁波吉欧光电科技有限公司 | A kind of control method of mask lung ventilator |
| CN107909783A (en) * | 2017-12-22 | 2018-04-13 | 国网河北省电力有限公司衡水供电分公司 | A kind of field work automatic calling for help device in danger |
| CN108939340A (en) * | 2018-05-25 | 2018-12-07 | 浙江恒泰安全设备有限公司 | A kind of intelligent checking system of positive-pressure type breather for fire fighting |
-
2011
- 2011-10-24 CN CN2011204052702U patent/CN202257846U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103638615A (en) * | 2013-12-03 | 2014-03-19 | 杭州摩图科技有限公司 | Air filtering mask |
| CN104288931A (en) * | 2014-10-23 | 2015-01-21 | 南通市海鸥救生防护用品有限公司 | Double alarm device of air breather |
| CN104288931B (en) * | 2014-10-23 | 2016-08-31 | 南通市海鸥救生防护用品有限公司 | Air respiratorresuscitator dual-alarm device |
| CN107297035A (en) * | 2016-04-15 | 2017-10-27 | 北京安氧特科技有限公司 | It is a kind of that there is drinking-water, the positive-pressure type oxygen breathing apparatus of smart electronicses warning function |
| CN106355833A (en) * | 2016-08-09 | 2017-01-25 | 北京长城电子装备有限责任公司 | Comprehensive air pressure alarm device |
| CN107349535A (en) * | 2017-07-05 | 2017-11-17 | 宁波吉欧光电科技有限公司 | A kind of control method of mask lung ventilator |
| CN107909783A (en) * | 2017-12-22 | 2018-04-13 | 国网河北省电力有限公司衡水供电分公司 | A kind of field work automatic calling for help device in danger |
| CN107909783B (en) * | 2017-12-22 | 2023-11-14 | 国网河北省电力有限公司衡水供电分公司 | Automatic distress calling device for field operation distress |
| CN108939340A (en) * | 2018-05-25 | 2018-12-07 | 浙江恒泰安全设备有限公司 | A kind of intelligent checking system of positive-pressure type breather for fire fighting |
| CN108939340B (en) * | 2018-05-25 | 2020-10-02 | 浙江恒泰安全设备有限公司 | Intelligent detection system of positive pressure type fire-fighting respirator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |