CN201562342U - Portable type gas detection alarm instrument - Google Patents
Portable type gas detection alarm instrument Download PDFInfo
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- CN201562342U CN201562342U CN2009203051279U CN200920305127U CN201562342U CN 201562342 U CN201562342 U CN 201562342U CN 2009203051279 U CN2009203051279 U CN 2009203051279U CN 200920305127 U CN200920305127 U CN 200920305127U CN 201562342 U CN201562342 U CN 201562342U
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- circuit
- gas detection
- gas
- voltage supply
- stabilized voltage
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Abstract
The utility model discloses a portable type gas detection alarm instrument comprising an interior circuit part, a stabilized voltage supply and a panel part, wherein the panel part comprises a sensor, an alarm device, a display screen and an operation panel; the interior circuit part comprises a main control circuit and a stabilized voltage supply; the main control circuit is respectively connected with a data storage circuit, a gas detection loop, a clock circuit, an alarm circuit, a display circuit and the operation panel of the panel part; the data storage circuit is connected with a serial port circuit B; the clock circuit is connected with a serial port circuit A; the alarm circuit is connected with the alarm device of the panel part; the gas detection loop is connected with the sensor of the panel part; and the stabilized voltage supply is respectively connected with all the electric parts and further provided with an automatic charging interface. In the utility model, the gas detection alarm instrument can realize data exchange with a computer, has the functions of alarm display and charging access, and is high in degree of automation.
Description
Technical field
The utility model belongs to the detecting instrument technical field, relates to a kind of portable gas detection alarm instrument.
Background technology
Various checkout equipments are the key equipments in colliery and other underground industry district as visiting telecommunications checkout equipments such as water, detected gas, dust sampler on the market.Whether the density of determining each gas under the mine is normal, early detection is unusual, and make preventive measure, the loss of each side such as minimizing personnel, prevention for coal mining accident, press for the oxidation reaction that gases such as a kind of instrument that can detect colliery hazardous gas, particularly methane cause, detection methane, carbon monoxide, oxygen, sulfuretted hydrogen become the problem that detection technique circle is paid much attention to.
The gas detecting instrument that present mine is commonly used down, the detected gas kind is few, and detected gas data only may be limited on the instrument, and the function of data acquisition and processing is poor, and instrument is subjected to electromagnetic interference (EMI) easily, and accuracy is not enough; Simultaneously simple charging modes causes instrument short service time, has influenced the work duration of instrument, has brought significant limitation for the use of instrument.
Summary of the invention
The purpose of this utility model provides a kind of portable gas detection alarm instrument, and it is few to have solved the gas detection quantity kind that exists in the prior art, and the function of data acquisition and processing is poor, can not realize that data handle transmission timely; Power supply is provided with unreasonable, problems such as instrument weak point service time.
The technical scheme that the utility model adopted is, a kind of portable gas detection alarm instrument comprises internal circuit part, stabilized voltage supply and faceplate part, and described faceplate part comprises sensor, warning device, display screen and guidance panel; Described internal circuit partly comprises governor circuit and stabilized voltage supply, and wherein governor circuit is connected with the guidance panel of data storage circuitry, gas detection loop, clock circuit, warning circuit, display circuit and faceplate part respectively; Data storage circuitry is connected with serial port circuit B, and clock circuit is connected with serial port circuit A, and warning circuit is connected with the warning device of faceplate part, and the gas detection loop is connected with the sensor of faceplate part; Stabilized voltage supply is connected with above-mentioned all consuming parts respectively, and stabilized voltage supply also is provided with the automatic charging inlet of USB.
Gas detecting and alarming instrument of the present utility model, its feature also is: described warning device is made up of hummer, Vib. and alarm lamp.
Described gas detection loop comprises for CO, H
2S, O
2, CH
4The detection and the amplifying circuit of one or more combinations in four kinds of gas.
Described sensor comprises for CO, H
2S, O
2, CH
4The sensor of one or more combinations in four kinds of gas.
Gas detecting and alarming instrument of the present utility model, can realize the processing and the alarm indication of data simultaneously to a plurality of gas detection objects, adopt data transmission interface can detect storage data simultaneously and directly import computer system, and adopt same interface to realize the access function that charges simultaneously, the automaticity height, work phenomenal growth service time is convenient in time take measures.
Description of drawings
Fig. 1 is the connection block diagram of the utility model gas detecting instrument;
Fig. 2 is the structural representation of the guidance panel of the utility model gas detecting instrument.
Among the figure, 1. governor circuit, 2. stabilized voltage supply, 3. data storing circuit, 4. serial port circuit B, 5. gas detection loop, 6. sensor, 7. clock circuit, 8. serial port circuit A, 9. warning circuit, 10. display circuit, 11. warning devices, 12. guidance panels, 14. display screen, 15. enter keies, 16. ON/OFF switches, 17. options button, 18. ↓ downturning key, 19. ↑ upturning key.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
The structure of portable gas detection alarm instrument of the present utility model is to comprise internal circuit part, stabilized voltage supply and faceplate part composition.Faceplate part wherein comprises sensor 6, warning device 11, display screen 14 and guidance panel 12.Referring to Fig. 1, internal circuit partly comprises governor circuit 1, and governor circuit 1 is connected with the guidance panel 12 of data storage circuitry 3, gas detection loop 5, clock circuit 7, warning circuit 9, display circuit 10 and faceplate part respectively; Data storage circuitry 3 is connected with serial port circuit B4, and clock circuit 7 is connected with serial port circuit A8, and warning circuit 9 is connected with the warning device 11 of faceplate part, gas detection loop 5 be used for CO, H
2S, O
2, CH
4The sensor 6 of four kinds of gas concentration measurements connects, and realizes CO, H simultaneously
2S, O
2, CH
4The collection of four kinds of gases, reading demonstration, data storage, data such as transfer at function, and give the acousto-optic electric alarm when certain gas concentration exceeds standard.Stabilized voltage supply 2 is connected with above-mentioned all consuming parts respectively, provides each consuming parts needed stable power supply.
Be provided with mu balanced circuit in the stabilized voltage supply 2, cell voltage is exported the 3.3V stabilized voltage supply after voltage stabilizer TPS7333 voltage stabilizing, offers each electricity consumption part of detector.Since at concentration of methane gas greater than the power supply that need cut off methane transducer at 5% o'clock, therefore be provided with the special-purpose voltage stabilizing chip MCP1700 of a methane transducer, be responsible for supplying with the required power supply of methane transducer under the normality, when gas concentration greater than 5% the time, by a triode power supply is shorted to ground, certainly the recovery insurance of triode front end automatically shuts down, thereby makes the methane transducer dead electricity until shutdown.In addition, the resetting pin of TPS7333 is also for main control singlechip provides reset signal at powered on moment, and all the other CO, H
2S, O
2Sensor and power supply adopt and be connected normally.
Stabilized voltage supply 2 also is provided with the automatic charging inlet of USB standard, can realize at any time replenishing the effect of electric power, makes the power-on time significant prolongation of stabilized voltage supply 2.
Serial port circuit B4 and serial port circuit A8 form by a slice serial port chip and peripheral circuit, serial port circuit B4 and serial port circuit A8 can be connected to host computer or computer by 232 serial port data lines, all data in the data-carrier store are downloaded to host computer or computer so that consult, data can also be realized exchanging processing with computer.
As Fig. 2, the structure of the utility model gas detecting instrument faceplate part embodiment is, comprise four groups of sensors 6, warning device 11, display screen 14 and guidance panel 12, guidance panel 12 wherein be provided with enter key 15, ON/OFF switch 16, options button 17, ↓ downturning key 18 and ↑ upturning key 19.Aforesaid operations key on the guidance panel 12 all is connected with governor circuit 1, and input instruction is input in the governor circuit 1; Four groups of sensors 6 respectively with CO, H
2S, O
2, CH
4The inner gas detection loop of installing 5 of gas detecting instrument connects, by each self-loop in the gas detection loop 5 with data processing after in the input governor circuit 1; Display screen 14 is connected with the inner display circuit of installing 10 of gas detecting instrument, is used for display message; Warning device 11 is made up of hummer, Vib. and alarm lamp, and is connected with the inner warning circuit of installing 9 of gas detecting instrument, carries out alarm.
According to the difference that is suitable for the place, gas detecting instrument of the present utility model also can only be provided with CO, CH
4,, O
2, H
2The testing circuit of one or several combination in four testing circuits of S, and corresponding sensor is set, survey the layout of instrument faceplate part targetedly, other module ingredients are identical with aforesaid embodiment.
The setting operation process of the utility model gas detecting instrument is:
1st, machine open/close and self check
1.1, start: push " machine open/close " key 2s, instrument start also enters self check.During the self check in the display screen all numerals and icon all will show 2s, the hummer 0.5s that rings, alarm lamp is lighted 0.5s.As detect certain sensor fault or not installation, enter normality and show that its reading window of back will show " EPP " printed words all the time;
1.2, shutdown: it is not loose to push " machine open/close " key, begins countdown behind the 2s, every 1s hummer 0.5s that rings, shutdown after four times.
1.3, the software self check: under the open state, system will carry out the software self check incessantly.The single-chip microcomputer relay indicating light will be lighted once after the software self check finishes.Backlight: as shortly in any case can to light backlightly by " power key ", extinguish automatically behind the 30s
2nd, set the interface: under normality shows, push the key 2s of " ↑ "+" ↓ " simultaneously, can enter and set the interface.Set interface totally 5 screens, be successively:
A) first screen: high limit alarming value is set the interface operation flow process:
A1, push " ↑ "+" ↓ " key simultaneously, enter first screen, static " HIGH " printed words that show of icon;
A2, by " selection " key, a kind ofly in four kinds of gases flash demonstration;
A3, increase, reduce (every kind of value is all 0～999 circulation) by " ↓ " bond number word by " ↑ " bond number word;
A4, push " input " key and confirm that numeral is no longer glimmered, modification finishes;
A5, push once more " input " key enter second the screen.
B) second screen: the lower bound alarming value is set the interface operation flow process:
B1, after connecting by 2 times " input ", first screen enters second screen, icon static state demonstration LOW printed words;
B2, by " selection " key, O2 gas flashes demonstration;
B3, increase, reduce (0～999 circulation) by " ↓ " bond number word by " ↑ " bond number word;
B4, push " input " key and confirm that numeral is no longer glimmered, modification finishes;
B5, push " input " key once more and enter the 3rd screen.
C) the 3rd screen: the TWA alarming value is set the interface operation flow process:
C1, after connecting by 2 times " input ", second screen enters the 3rd screen, icon static state demonstration TWA printed words;
C2, by " selection " key, a kind ofly in its excess-three kind gas except that O2 flash demonstration;
C3, increase, reduce (every kind of value is all 0～999 circulation) by " ↓ " bond number word by " ↑ " bond number word;
C4, push " input " key and confirm that numeral is no longer glimmered, modification finishes;
C5, push " input " key once more and enter the 4th screen.
D) the 4th screen: the STEL alarming value is set the interface operation flow process:
D1, after connecting by 2 times " input ", the 3rd screen enters the 4th screen, icon static state demonstration STEL printed words;
D2, by " selection " key, a kind ofly in its excess-three kind gas except that O2 flash demonstration;
D3, increase, reduce (every kind of value is all 0～999 circulation) by " ↓ " bond number word by " ↑ " bond number word;
D4, push " input " key and confirm that numeral is no longer glimmered, modification finishes;
D5, push " input " key once more and enter the 5th screen.
E) the 5th screen: Time of Day is set the interface operation flow process:
Enter the 5th screen after the 4th screen connects by 2 times " input ", all the other do not show except that Time of Day.
E1, by " selection " key, flash demonstration from the Hour Minute Second date successively;
E2, increase, reduce by " ↓ " bond number word by " ↑ " bond number word;
E3, push " input " key and confirm that numeral is no longer glimmered, modification finishes;
E4, push " input " key once more, screen turns back to the normality display interface.
3rd, data storage: detector is preserved once the every 30S of the gas concentration data that read.
Data recording thes contents are as follows:
The current date date
The current time Hour Minute Second
Current address XX
Set alarming value 1 (CO) XX PPm
2(H
2S)?XX PPm
3(CH
4)?XX ％
4(O
2) XX ％
Current gas concentration 01 (CO) XX PPm
02(H
2S)XX PPm
03(CH
4)XX ％
04(O
2)?XX ％
When data storage reaches the maximum storage of storer, latest data will cover the oldest data of article one automatically.
4th, proving operation: push under normal conditions " ↑ "+" selection " key 2s, promptly enter the instrumental calibration interface.Calibration process is as follows:
F1, push " ↑ "+" selection " key 2s and enter calibration interface,, then enter step F 9 as pushing " input " key twice continuously;
F2, enter the modification page by " selection " key;
F3, again by " selection " key, wherein a kind of gas flashes;
F4, push " ↑ " or " ↓ " and revise the calibrating gas value;
F5, push " input " key and confirm;
F6, push " selection " key again and revise the remaining gas standard value;
F7, push " input " key and confirm;
F8, push " input " key once more;
F9, instrument start automatically to be demarcated;
" AUTO-ZERO " printed words flicker of F10, the top right of screen, instrument begins to return automatically 0;
F11, return 0 to finish automatically, " AUTO-ZERO " printed words no longer glimmer, the standard that the applies gas icon flicker of screen top center;
F12, manually apply gas;
After F13, instrument detecting reach standard value 50% to certain gas concentration, this gas scintillation, " AUTO-SPAN " printed words flicker simultaneously, and begin to demarcate automatically;
F14, concentration do not reach 50% gas, and instrument is thought and do not added standard gas, will not demarcate;
F15, " AUTO-SPAN " printed words no longer glimmer, light, the hummer 3s that rings, and demarcation is finished, and has applied the gas display standard gas value of gas, three whippletrees of the demonstration that does not apply "---";
Increase by one in F16, the storer and demarcate recorded information, content is nominal time, date, gas kind, gas value;
F17, withdraw from by " input " key, start shooting again.
5th, keyboard lockout/release: the weak point that continuous 2 minutes no button operations, hummer send 1s " drips " back keyboard and enters lock-out state.Push any button under the lock-out state all with invalid.As the need unlocking operation, it is above till hummer sends short " dripping " sound once more to push " affirmation " 2s once more.
6th, CH
4Outrange protection: work as CH
4Concentration surpasses at 5% o'clock, and detector will enter the outrange state.Detector will cut off CH automatically under this state
4The feed circuit of sensor also send continuous " dripping " sound and warn.Remove this state, must be with start again after the detector shutdown.
7th, data dump: connect dump instrument and computer with the special-purpose dump line of detector, open " bossun detector dump software " on computers, eject the dump dialog box.Click " input " key and can begin data transmission.After dump was finished, file saved as the .txt formatted file automatically, can open with general reader word.
The utility model gas detecting instrument carries out the setting of controlled variable by guidance panel 12, and collect analog data signal in real time by the sensor 6 of each gas concentration measurement, after each circuit conversion by gas detection loop 5 digital signal is imported governor circuit 1 again, governor circuit 1 passes through data storage circuitry 3, serial port circuit B4 again with data upload, show output informations and send alerting signal by display circuit 10 and warning circuit 9 simultaneously, make personnel in the pit's safe operation of in time taking measures.
The utility model gas detecting instrument collects analog data signal in real time by the sensor of a plurality of gas concentration measurements, adopt data transmission interface can detect storage data and directly import computer system, and adopt same interface to realize the access function that charges simultaneously, improve the ability of prevention and reply down-hole accident, had promotion prospect and realistic meaning widely.
Claims (4)
1. a portable gas detection alarm instrument comprises internal circuit part, stabilized voltage supply (2) and faceplate part, it is characterized in that:
Described faceplate part comprises sensor (6), warning device (11), display screen (14) and guidance panel (12);
Described internal circuit partly comprises governor circuit (1) and stabilized voltage supply (2), and wherein governor circuit (1) is connected with the guidance panel (12) of data storage circuitry (3), gas detection loop (5), clock circuit (7), warning circuit (9), display circuit (10) and faceplate part respectively; Data storage circuitry (3) is connected with serial port circuit B (4), and clock circuit (7) is connected with serial port circuit A (8), and warning circuit (9) is connected with the warning device (11) of faceplate part, and gas detection loop (5) are connected with the sensor (6) of faceplate part;
Stabilized voltage supply (2) is connected with above-mentioned all consuming parts respectively, and stabilized voltage supply (2) also is provided with the automatic charging inlet of USB.
2. gas detecting and alarming instrument according to claim 1 is characterized in that: described warning device (11) is made up of hummer, Vib. and alarm lamp.
3. gas detecting and alarming instrument according to claim 1 is characterized in that: described gas detection loop (5) comprises detection and the amplifying circuit for one or more combinations in CO, H2S, four kinds of gases of O2, CH4.
4. gas detecting and alarming instrument according to claim 1 is characterized in that: described sensor (6) comprises the sensor for one or more combinations in CO, H2S, four kinds of gases of O2, CH4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203051279U CN201562342U (en) | 2009-06-26 | 2009-06-26 | Portable type gas detection alarm instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203051279U CN201562342U (en) | 2009-06-26 | 2009-06-26 | Portable type gas detection alarm instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201562342U true CN201562342U (en) | 2010-08-25 |
Family
ID=42627490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203051279U Expired - Fee Related CN201562342U (en) | 2009-06-26 | 2009-06-26 | Portable type gas detection alarm instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201562342U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102525281A (en) * | 2011-12-21 | 2012-07-04 | 西北工业大学 | Water dispenser capable of detecting combustible gas |
| CN103592358A (en) * | 2012-11-30 | 2014-02-19 | 淮南师范学院 | Electronic nose for detection of underground coal mine air quality |
| CN104517411A (en) * | 2013-10-08 | 2015-04-15 | 徐州江煤科技有限公司 | Mining methane detection alarm unit |
-
2009
- 2009-06-26 CN CN2009203051279U patent/CN201562342U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102525281A (en) * | 2011-12-21 | 2012-07-04 | 西北工业大学 | Water dispenser capable of detecting combustible gas |
| CN103592358A (en) * | 2012-11-30 | 2014-02-19 | 淮南师范学院 | Electronic nose for detection of underground coal mine air quality |
| CN104517411A (en) * | 2013-10-08 | 2015-04-15 | 徐州江煤科技有限公司 | Mining methane detection alarm unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Wireless portable gas detection alarm control method Effective date of registration: 20120523 Granted publication date: 20100825 Pledgee: Xi'an innovation technology investment Company limited by guarantee Pledgor: Xi'an Deep Mining Equipment Technology Development Co., Ltd. Registration number: 2012990000228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20150626 |
|
| EXPY | Termination of patent right or utility model |