CN103768736A - Intelligent respirator detection device - Google Patents
Intelligent respirator detection device Download PDFInfo
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- CN103768736A CN103768736A CN201410038111.1A CN201410038111A CN103768736A CN 103768736 A CN103768736 A CN 103768736A CN 201410038111 A CN201410038111 A CN 201410038111A CN 103768736 A CN103768736 A CN 103768736A
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Abstract
The invention belongs to the field of a performance detection device of security equipment used for personal respiratory protection, and relates to an intelligent respirator detection device. The technical scheme is that the intelligent respirator detection device comprises a box body, a panel, a gas circuit connecting module mounted on the side face of the panel, a bottom plate, a host, a switch and a key, and also comprises a small flow sensor, a stop valve, a reversing solenoid valve, a large flow sensor, a pressure sensor, a power source and an air pump, wherein the host is fixed on the part right above the panel; the switch is fixed on the right upper corner of the panel; the key is fixed under the panel; the small flow sensor, the stop valve and the reversing solenoid valve are fixed on the left side of the bottom plate in sequence; the large flow sensor is fixed on the right end of he inner side of the rear wall of the bottom plate; the pressure sensor and the power source are fixed on the inner wall of the right side of the bottom plate in sequence; the air pump is fixed under the bottom plate. A handball device is omitted, the operation is simplified, the size of the whole machine becomes small, the overvoltage is prevented, the sensors are protected, and the detection result is intuitional.
Description
Technical field
The device for detecting performance field that the invention belongs to personal respiratory protection safety equipment, is specifically related to a kind of intelligent breathing device checkout gear.
Background technology
At present, the respirator detector that sizing is produced both at home and abroad mainly contains: the Test6100 of Germany, Rz25, domestic J12 type, HAJ-II, JD-9 type and QRT-1 type; Except German Test6100 type respirator detector adopts pressure sensor and flow sensor, all respirator detectors of domestic production adopt the conventional arts such as water manometer, suspended body flowmeter, the still level in the seventies and eighties.There are a lot of technical problems in the respirator detector that domestic sizing is produced: the precision low (being all generally 2.5 grades) of the metering instrument and meters such as differential flow table that (1) adopts, water column type forcing press, spinner flowmeter, error in reading is large, therefore, larger on the impact of respirator accuracy in detection; (2) complicated operation, working service maintenance is inconvenient; (3) pressure gauge and flowmeter do not have compensation performance to atmosphere; (4) pressure gauge and flowmeter do not have compensation performance to temperature; (5) testing result all can not judge, needs reviewer and canonical parameter contrast.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of high intelligence, volume little, easy to operate, lightweight, easy to maintenance, a kind of intelligent breathing device checkout gear of electromechanical integration.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of intelligent breathing device checkout gear, comprise casing (1), panel (2), be arranged on path linking module for gas (3), base plate (4), main frame (5), switch (6), the button (7) of panel (2) side, it also comprises low discharge sensor (8), stop valve (9), reversing solenoid valve (10), large flow sensor (11), pressure sensor (12), power supply (13), air pump (14); Described main frame (5) is fixed on position directly over panel (2); Described switch (6) is fixed on panel (2) upper right corner; Button (7) is fixed under panel; Described low discharge sensor (8), stop valve (9), reversing solenoid valve (10) is fixed on base plate (4) left side successively; Described large flow sensor (11) is fixed on right-hand member inside base plate (4) rear wall; Described pressure sensor (12), power supply (13) are fixed on base plate right side inwall successively; Described air pump (14) is fixed under base plate.
Path linking module for gas (3) described in it detects mouthful (17), large flow detection mouth (18), blow vent (19), pressure detecting mouth (20) formation by low discharge; The air inlet of described low discharge sensor (8) detects mouthful (17) with low discharge and is connected by siphunculus (21); The air inlet of described large flow sensor (11) is connected by siphunculus (21) with large flow detection mouth (18); The air inlet of described pressure sensor (12) is connected by siphunculus (21) with pressure detecting mouth (20); The air inlet of described air pump (14) is connected by siphunculus (21) with two air inlets of reversing solenoid valve (10) respectively with gas outlet, the gas outlet of reversing solenoid valve (10) is connected by siphunculus (21) with the air inlet of stop valve (9), and the gas outlet of stop valve (9) is connected by siphunculus (21) with blow vent (19).
Main frame (5) described in it comprises liquid crystal indicator (15), mainboard (16), and adopts circuit board connection row pin, row's seat to inserting connection.
The present invention is low in order fundamentally to solve in respirator detector metering critical component pressure gauge and flowmeter accuracy, error in reading is large, atmospheric pressure, temperature are not had to compensation performance, the technical problem of cisco unity malfunction under the ambient temperature conditions lower than 0 ℃, adopt and there is high accuracy, error in reading is zero, atmospheric pressure is had to compensation performance, temperature is had to compensation performance, the high thermal type mass flow sensor of pressure sensor, digital display and precision of normal work under-10～50 ℃ of ambient temperature conditions.
Single in order to solve the respirator detector test item of existing domestic production, testing process is lack of standardization, and complicated operation requires high technical problem to inspector, and the present invention adopts numeral to show, Intelligent Single-Chip Based judgment mode is realized testing process intellectuality.In use, once determine product type to be checked, detector just can complete according to default testing process all processes of detection.
Therefore, the present invention adopts air pump as the source of the gas detecting, and has deducted handball device, has both made simple to operateization, also makes machine volume diminish.The present invention selects single chip machine controlling circuit, and the pressure data arriving in conjunction with pressure sensor monitoring calculates the full name monitoring that can realize pressure by single-chip microcomputer, and has set the max-thresholds of pressure, can prevent overvoltage, has protected sensor.The present invention adopts liquid crystal indicator, and all detection data all can intuitively show, testing result is directly perceived.The present invention is designed with automatic testing process, and operator only need operate testing process according to the respirator of prompting, does not need to remember canonical parameter.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of base plate in Fig. 1;
Fig. 3 is the structural representation of panel in Fig. 1
Fig. 4 is gas circuit connection diagram.
Fig. 5 is circuit theory diagrams of the present invention.
The specific embodiment
As shown in Figures 1 to 4, a kind of intelligent breathing device of the present embodiment checkout gear, comprise casing 1, panel 2, be arranged on path linking module for gas 3, base plate 4, main frame 5, switch 6, the button 7 of panel 2 sides, it also comprises low discharge sensor 8, stop valve 9, reversing solenoid valve 10, large flow sensor 11, pressure sensor 12, power supply 13, air pump 14; Described main frame 5 is fixed on position directly over panel 2 by four screws; And main frame 5 comprises liquid crystal indicator 15, mainboard 16, and adopt circuit board connection row pin, row's seat to inserting connection; Described switch 6 is metal tape lamp switch, and from threaded, described switch 6 is fixed on panel 2 upper right corner; Button 7 comprises 5 self-resetting type buttons, is fixed under panel; Described low discharge sensor 8, stop valve 9, reversing solenoid valve 10 are fixed on base plate 4 left sides successively; Described large flow sensor 11 is fixed on right-hand member inside base plate 4 rear walls; Described pressure sensor 12, power supply 13 are fixed on base plate right side inwall successively; Described air pump 14 is fixed under base plate.
Above-mentioned path linking module for gas 3 is made up of low discharge detection mouth 17, large flow detection mouth 18, blow vent 19, pressure detecting mouth 20; The air inlet of described low discharge sensor 8 detects mouth 17 with low discharge and is connected by siphunculus 21; The air inlet of described large flow sensor 11 is connected by siphunculus 21 with large flow detection mouth 18; The air inlet of described pressure sensor 12 is connected by siphunculus 21 with pressure detecting mouth 20; The air inlet of described air pump 14 is connected by siphunculus 21 with two air inlets of reversing solenoid valve 10 respectively with gas outlet, the gas outlet of reversing solenoid valve 10 is connected by siphunculus 21 with the air inlet of stop valve 9, and the gas outlet of stop valve 9 is connected by siphunculus 21 with blow vent 19.
As shown in Figure 5, switch 6 is connected with 220V voltage, controls the on/off of complete machine; The control end of described button 7 is connected with the I/O port of single-chip microcomputer; Described stop valve 9, reversing solenoid valve 10, the feeder ear of air pump 14 is connected with 24V power supply respectively, and control end is electrically connected with single-chip microcomputer; The power end of low discharge sensor 8, pressure sensor 12 is connected with 5V branch road, and the power end of large flow sensor 11 is connected with 12V branch road, and control end is all electrically connected with single-chip microcomputer.
The Master control chip of described mainboard 16 is the MSP430 single-chip microcomputer of low-power consumption, described power supply 13 is 12V/24V doubleway output Switching Power Supply, described pressure sensor 12 is selected high accuracy diffusion silicon pressure sensor, and described low discharge sensor 8, large flow sensor 11 are selected thermal type mass flow sensor.
Intelligent breathing device checkout gear of the present invention adopts 220V Alternating Current Power Supply, built-in 12V/24V two-way output dc source 9.24V power supply is directly as the driving power of air pump, stop valve, two five-way electromagnetic valves, and 12V power supply divides two-way output: a road is as the driving power of low discharge sensor; 5V is reduced to through voltage stabilizing chip LM7805 in one tunnel, 5V voltage Zhong mono-tunnel is directly as the driving power that is liquid crystal display and large flow sensor, sound transducer, another road continues to be depressured to 3.3V through voltage stabilizing chip AS1117M3-3.3V, as the driving power of single-chip microcomputer.
In use, according to different test items, isolating positive pressure oxygen breathing apparatus is connected with the corresponding detection mouthful of path linking module for gas 3 of the present invention.
Can select test item by " pattern ", carry out respectively low discharge, large flow, malleation, detection of negative pressure.Can be to the check of respirator complete machine, can be also that certain parts is detected.In detection discharge process, operator only need to be connected the flow detection mouth 17,18 of the air supply opening of respirator and path linking module for gas 3.Under barotropic model,, by " determining ", air pump 14 is started working, and stop valve 9 is opened, and again presses " determining " key, and air pump 14 quits work, and stop valve 9 is closed, if now press " pressure release " key, stop valve 9 is opened, pressure starts to decline.Under negative pressure pattern, by " determining ", air pump 14 is started working, and stop valve 9 is opened, reversing solenoid valve 10 commutates, and again presses " determining " key, and air pump 14 quits work, and stop valve 9 is closed, if now press " pressure release " key, stop valve 9 is opened, commutation, and pressure starts to rise.
Press automatic key, automatically according to program quantitatively detect, the project such as the airtight detection of complete machine, pressure at expulsion detection, self-complementary pressure detecting, in automatic testing process, operator only need " close air bleeding valve, open air bleeding valve, open gas cylinder, close gas cylinder " etc. to have assisted check according to screen prompt.After treating that all items has detected, screen can show all detection destination datas, and shows that whether this detection is qualified afterwards with normal data contrast, and so far, this testing process all completes.
Claims (3)
1. an intelligent breathing device checkout gear, comprise casing (1), panel (2), be arranged on path linking module for gas (3), base plate (4), main frame (5), switch (6), the button (7) of panel (2) side, it is characterized in that: also comprise low discharge sensor (8), stop valve (9), reversing solenoid valve (10), large flow sensor (11), pressure sensor (12), power supply (13), air pump (14); Described main frame (5) is fixed on position directly over panel (2); Described switch (6) is fixed on panel (2) upper right corner; Button (7) is fixed under panel; Described low discharge sensor (8), stop valve (9), reversing solenoid valve (10) is fixed on base plate (4) left side successively; Described large flow sensor (11) is fixed on right-hand member inside base plate (4) rear wall; Described pressure sensor (12), power supply (13) are fixed on base plate right side inwall successively; Described air pump (14) is fixed under base plate.
2. a kind of intelligent breathing device checkout gear according to claim 1, is characterized in that: described path linking module for gas (3) detects mouthful (17), large flow detection mouth (18), blow vent (19), pressure detecting mouth (20) formation by low discharge; The air inlet of described low discharge sensor (8) detects mouthful (17) with low discharge and is connected by siphunculus (21); The air inlet of described large flow sensor (11) is connected by siphunculus (21) with large flow detection mouth (18); The air inlet of described pressure sensor (12) is connected by siphunculus (21) with pressure detecting mouth (20); The air inlet of described air pump (14) is connected by siphunculus (21) with two air inlets of reversing solenoid valve (10) respectively with gas outlet, the gas outlet of reversing solenoid valve (10) is connected by siphunculus (21) with the air inlet of stop valve (9), and the gas outlet of stop valve (9) is connected by siphunculus (21) with blow vent (19).
3. a kind of intelligent breathing device checkout gear according to claim 1, is characterized in that: described main frame (5) comprises liquid crystal indicator (15), mainboard (16), and adopts circuit board connection row pin, row's seat to inserting connection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410038111.1A CN103768736B (en) | 2014-01-24 | 2014-01-24 | A kind of intelligent breathing device checkout gear |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410038111.1A CN103768736B (en) | 2014-01-24 | 2014-01-24 | A kind of intelligent breathing device checkout gear |
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| CN103768736A true CN103768736A (en) | 2014-05-07 |
| CN103768736B CN103768736B (en) | 2015-12-23 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104274927B (en) * | 2014-11-04 | 2016-09-28 | 梅思安(中国)安全设备有限公司 | Air respiratorresuscitator detector |
| CN106139446A (en) * | 2015-04-15 | 2016-11-23 | 辽宁安泰机电设备有限公司 | Self-rescuer or respiratory organ security performance test device |
| CN108042944A (en) * | 2017-12-29 | 2018-05-18 | 北京安锐科技有限公司 | A kind of positive pressure oxygen respirator detector |
Citations (5)
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| CN201173840Y (en) * | 2007-09-17 | 2008-12-31 | 谷守刚 | Portable split AC and DC dual-purpose respiring valve positive and negative pressure tester |
| WO2009123980A1 (en) * | 2008-03-31 | 2009-10-08 | Nellcor Puritan Bennett Llc | System and method for determining ventilator leakage during stable periods within a breath |
| EP2123330A1 (en) * | 2008-05-23 | 2009-11-25 | Dräger Safety AG & Co KGaA | Test Head for Protective Mask Testing and Test Head System |
| CN102526906A (en) * | 2011-08-08 | 2012-07-04 | 陈晓曦 | Universal calibrator of oxygen breathing apparatus |
| CN203802993U (en) * | 2014-01-24 | 2014-09-03 | 山西虹安科技股份有限公司 | Intelligent respirator detection device |
-
2014
- 2014-01-24 CN CN201410038111.1A patent/CN103768736B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201173840Y (en) * | 2007-09-17 | 2008-12-31 | 谷守刚 | Portable split AC and DC dual-purpose respiring valve positive and negative pressure tester |
| WO2009123980A1 (en) * | 2008-03-31 | 2009-10-08 | Nellcor Puritan Bennett Llc | System and method for determining ventilator leakage during stable periods within a breath |
| EP2123330A1 (en) * | 2008-05-23 | 2009-11-25 | Dräger Safety AG & Co KGaA | Test Head for Protective Mask Testing and Test Head System |
| CN102526906A (en) * | 2011-08-08 | 2012-07-04 | 陈晓曦 | Universal calibrator of oxygen breathing apparatus |
| CN203802993U (en) * | 2014-01-24 | 2014-09-03 | 山西虹安科技股份有限公司 | Intelligent respirator detection device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104274927B (en) * | 2014-11-04 | 2016-09-28 | 梅思安(中国)安全设备有限公司 | Air respiratorresuscitator detector |
| CN106139446A (en) * | 2015-04-15 | 2016-11-23 | 辽宁安泰机电设备有限公司 | Self-rescuer or respiratory organ security performance test device |
| CN108042944A (en) * | 2017-12-29 | 2018-05-18 | 北京安锐科技有限公司 | A kind of positive pressure oxygen respirator detector |
| CN108042944B (en) * | 2017-12-29 | 2022-12-27 | 山西虹安应急科技有限公司 | Positive pressure oxygen respirator detector |
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