CN205157520U - CJR44 type methane carbon dioxide analyzer - Google Patents
CJR44 type methane carbon dioxide analyzer Download PDFInfo
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- CN205157520U CN205157520U CN201520778296.XU CN201520778296U CN205157520U CN 205157520 U CN205157520 U CN 205157520U CN 201520778296 U CN201520778296 U CN 201520778296U CN 205157520 U CN205157520 U CN 205157520U
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- carbon dioxide
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Abstract
The utility model provides a CJR44 type methane carbon dioxide analyzer, moreover, the steam generator is simple in structure, and reasonable design, methane transducer and the carbon dioxide sensor received of elder generation air information, wireless transceiver module is given in the transmission, wireless transceiver module transmits and saves for data storage module, the AD converter is given in the transmission to data after the storage, change the information transport into data signal through the AD converter, data signal carries out digital process in the transmission for the singlechip, digital signal transmission after the singlechip carries out digital process gives the controller, when methane and carbon dioxide's concentration reaches or exceedes the warning value, control signal is exported at once to the controller, send the alarm through audible -visual annunciator, and the performance is stable, rapid response, high precision, the operation is thus simple, high durability and convenient use, the analyzer casing adopts the plastic structure of ABS high strength, novel structure, unique style, and small in size, light weight, reliability convenience for carrying, diversified functions, long service time, the detection range is wide, more can satisfy the demand of producer.
Description
Technical field
The utility model relates to analyzer technical field, particularly CJR4/4 type methane and carbon dioxide analyzer.
Background technology
Methane and carbon dioxide analyzer is intelligent, multi-functional, the digital methane of microminiature (gas) concentration and gas concentration lwevel detection alarm instrument, mainly be applicable to the place that there is gas explosion danger in colliery, as places such as colliery roadway, getting working face, goaf, return airway, belt-conveying tunnel, dynamo-electric chambers, continuous detecting methane concentration and gas concentration lwevel.When methane concentration and gas concentration lwevel transfinite, detector is spoken immediately, light is reported to the police, can carry with for the cadre that goes into the well, ventilating management personnel, gas management person, the person of blowing out, getting working face staff etc., existing methane and carbon dioxide analyzer warning function is single, working time is short, sensing range is less than normal, reduces security performance to a certain extent, can not meet the demand of user.
Utility model content
Problem to be solved in the utility model is to provide CJR4/4 type methane and carbon dioxide analyzer, and solve existing methane and carbon dioxide analyzer warning function single, the working time is short, and sensing range is less than normal, reduces the problem of security performance to a certain extent.
For overcoming the above problems the scheme that the utility model adopts:
CJR4/4 type methane and carbon dioxide analyzer, comprise casing, described casing is provided with button, display screen and window, described window comprises air chamber window and acoustic alarm window, and described button comprises ON/OFF+key A key, shift key B key, voltage-key C key and calibration acknowledgement key D key, described casing one end is provided with methane test valve and carbon dioxide test valve, the other end is provided with light switch and illuminating lamp, sound and light alarm instrument is provided with between described methane test valve and carbon dioxide test valve, described casing side is provided with charging port, is provided with battery in described casing, circuit main board, display, audible-visual annunciator, methane transducer, carbon dioxide sensor, radio receiving transmitting module, A/D converter, data memory module, single-chip microcomputer and controller, described battery is connected with charging port by wire one end, and the other end is connected with circuit main board, described radio receiving transmitting module one end respectively with methane transducer, carbon dioxide sensor be connected, the other end successively with data memory module, A/D converter, single-chip microcomputer, controller is connected, described controller respectively with circuit main board, audible-visual annunciator is connected with display.
Above-mentioned CJR4/4 type methane and carbon dioxide analyzer, wherein, described circuit main board is connected with light switch, illuminating lamp by wire.
Above-mentioned CJR4/4 type methane and carbon dioxide analyzer, wherein, described audible-visual annunciator comprises sound alarm subsystem, light crossing-signal and vibrations alarm, described sound alarm subsystem is hummer, described light crossing-signal is diode, described vibrations alarm is vibrating motor, sound alarm subsystem, light crossing-signal and vibrations alarm synchronous working.
Above-mentioned CJR4/4 type methane and carbon dioxide analyzer, wherein, described casing is the overall plastic structure of ABS high strength, and described display screen can not only show the data of methane and carbon dioxide, also has the function of clock display, battery operating voltage detection, the display of alarm set point thresholding.
Above-mentioned CJR4/4 type methane and carbon dioxide analyzer, wherein, the measurement range 0.00% ~ 4.00%CH of methane
4, the measurement range 0.00% ~ 4.00%CO of carbon dioxide
2.
The beneficial effect of this programme:
The CJR4/4 type methane and carbon dioxide analyzer that the utility model provides, structure is simple, reasonable in design, the air information that methane transducer and carbon dioxide sensor first receive, pass to radio receiving transmitting module, A/D converter is being passed to by radio receiving transmitting module, information is converted to digital signal by A/D converter, digital signal carries out digital processing passing to single-chip microcomputer, the digital signal transfers after digital processing is carried out to controller through single-chip microcomputer, when the concentration of methane and carbon dioxide meets or exceeds alarming value, controller exports control signal at once, give the alarm through audible-visual annunciator, automatically record every 10 seconds during methane warning and store frame data, carbon dioxide automatically recorded every 1 minute and stored frame data when reporting to the police, security performance is higher, CJR4/4 type methane and carbon dioxide analyzer adopts high performance methane transducer and carbon dioxide sensor, stable performance, and thresholding is accurate, and be swift in response, precision is high.Use-pattern adopts human oriented design, and soft regulation technology is simple to operate, easy to use.Analyzer casing adopts the overall plastic structure of ABS high strength, novel structure, exotic shape, and volume is little, lightweight, easy to carry, functional diversities, and service time is long, and sensing range is wide, more can meet the demand of producer.
Accompanying drawing explanation
Fig. 1 is the utility model structural drawing.
Fig. 2 is the utility model casing structure figure.
Embodiment
As shown in the figure, CJR4/4 type methane and carbon dioxide analyzer, comprises casing 1, and described casing 1 is provided with button 2, display screen 3 and window 4, described window 4 comprises air chamber window 5 and acoustic alarm window 6, and described button 2 comprises ON/OFF+key A key 7, shift key B key 8, voltage-key C key 9 and calibration acknowledgement key D key 10, described casing 1 one end is provided with methane test valve 11 and carbon dioxide test valve 12, the other end is provided with light switch 13 and illuminating lamp 14, sound and light alarm instrument 15 is provided with between described methane test valve 11 and carbon dioxide test valve 12, described casing 1 side is provided with charging port 16, is provided with battery 17 in described casing 1, circuit main board 18, display 19, audible-visual annunciator 20, methane transducer 21, carbon dioxide sensor 22, radio receiving transmitting module 23, A/D converter 24, data memory module 222, single-chip microcomputer 25 and controller 26, described battery 17 is connected with charging port 16 by wire 27 one end, and the other end is connected with circuit main board 18, described radio receiving transmitting module 23 one end respectively with methane transducer 21, carbon dioxide sensor 22 is connected, the other end successively with data memory module 222, A/D converter 24, single-chip microcomputer 25, controller 26 is connected, described controller 26 respectively with circuit main board 18, audible-visual annunciator 20 is connected with display 19, and described circuit main board 18 is by wire 27 and light switch 13, illuminating lamp 14 is connected, and described audible-visual annunciator 20 comprises sound alarm subsystem 28, light crossing-signal 29 and vibrations alarm 30, described sound alarm subsystem 28 is hummer, and described light crossing-signal 29 is diode, and described vibrations alarm 30 is vibrating motor, sound alarm subsystem 28, light crossing-signal 29 and vibrations alarm 30 synchronous working.
The technical parameter of the CJR4/4 type methane and carbon dioxide analyzer of the present embodiment is as follows:
1. working environment: working temperature (0 ~ 40) DEG C;
Relative humidity≤98% (25 DEG C);
Air pressure (80 ~ 116) kPa;
Wind speed≤8m/s;
There is the underground coal mine of methane explosion risk;
2. resolution: methane 0.01%; Carbon dioxide 0.01%;
3. technical parameter:
(1) measurement range methane: (0.00 ~ 4.00) %CH
4; Carbon dioxide: (0.00 ~ 4.00) %CO
2;
(2) measuring error methane: (0.00 ~ 1.00) %CH
4time, ± 0.10%CH
4;
(1.00 ~ 3.00) %CH
4time, true value ± 10%CH
4;
(3.00 ~ 4.00) %CH
4time, ± 0.3%CH
4;
Carbon dioxide: (0.00 ~ 1.00%) CO
2time ,≤± 0.05%CO
2;
> 1.00%CO
2time ,≤true value ± 5%;
(3) response time methane: be not more than 20s; Carbon dioxide: be not more than 60s;
(4) warning function:
A. alarm range methane: (0.50 ~ 2.50) %CH
4, when dispatching from the factory, be set in 1.00%CH
4
Carbon dioxide: (0.10 ~ 2.00) %CO
2, when dispatching from the factory, be set in 1.00%CO
2
B. warning error methane: be not more than setting value ± 0.05%CH
4,
Carbon dioxide: be not more than ± 0.05%
C. type of alarm: ` blinking red lamp, chimes of doom
D. chimes of doom intensity: >=75dB
(5) sensor life-time methane: >=1 year; Carbon dioxide: >=2 years;
4. clock part:
(1) standard: 24 hours systems
(2) displaying contents: hour, point
(3) error :≤± 1 minute/24 hours (can manual correction);
5. battery operating voltage part:
(1) measurement range: 3.45V ~ 4.2V
(2) measuring error :≤± 0.01V
(3) display mode: show magnitude of voltage after E word;
6. the automatic record of data memory function:
(1) record format: time m-first alkane dense degree – gas concentration lwevel
(2) storage mode: when methane and carbon dioxide is not reported to the police, automatically records every half an hour and stores frame data;
When methane or carbon dioxide are reported to the police, automatically record every 10 seconds and store frame data;
(3) memory capacity: 80 frames (increase-volume can be required according to user);
7. soft regulatory function:
(1) regulative mode: button;
(2) regulate content: zero point, correct;
8. undervoltage warning and under-voltage automatic shut-off function:
During battery operating voltage E≤3.45V, under-voltage value is flashed, automatic shutdown after 2 seconds;
9. super dense warning and super dense automatic shut-off function:
Methane concentration>=5%CH
4time, super dense value is flashed, automatic shutdown after 2 seconds;
10. once charge stream time: > 10 hours;
11. electric battery charge lifetimes: > 500 times;
12. working currents :≤150mA;
13. intrinsic safety electric sources: the power acquisition Ni-MH battery 3 × Ni-MH1.8Ah of analyzer,
Maximum open circuit voltage Uo:DC4.2V,
Rated voltage Ue:DC3.6V,
Maximum short circuit current Io:4.0A;
14. type of protection [of an electrical apparatus for explosive atmospheres: mining intrinsic safety is held concurrently flame-proof type; Explosion-proof mark: ExibdI;
15. physical dimension: 100 × 56 × 24 (mm);
16. casing materials: ABS engineering plastics.
The use-pattern of this CJR4/4 type methane and carbon dioxide analyzer:
1, start shooting:
Pin ON/OFF+key (hereinafter referred to as A key) 2 seconds more than to loose one's grip, namely analyzer is opened again.First show 0000, and then show operating voltage EX.XX, then automatically enter CH_4 detection state.If now X.XX < 3.45V and flashing, automatic shutdown after 2 seconds, illustrates that the battery electric quantity of analyzer is not enough, should charge.
2, shut down:
Pin more than A key 2 second to loose one's grip, luminous digital extinguishes, and analyzer cuts out voluntarily again.(after shutdown, clock continues to run, unaffected).
3, methane, carbon dioxide, clock, battery operating voltage, methane warning point, carbon dioxide alarm set point is watched:
Automatically enter CH_4 detection state after analyzer start, front 1 display J represents CH_4 detection, rear 3 display methane concentrations.Press shift key (hereinafter referred to as B key), enter carbon dioxide detected state, front 1 display two represents that carbon dioxide detects, rear 3 display gas concentration lwevels.Press C key again, enter clock status, front 2 displays hour, rear 2 displays point, intermediate point flicker per second once.Press C key again, enter battery operating voltage detected state, front 1 display E, represents battery operating voltage, rear 3 display battery operating voltage values.
4, charge:
Analyzer charging should use special charger CJR-DG (single) or CJR-Z5 (5 combinations), charger is applicable to 220V AC power (allowing voltage ripple of power network ± 10%), green power supply pilot lamp (POWER) Ying Liang of charger after energising, analyzer is inserted the charging socket of charger, red charging indicator light (CHARGE) Ying Liang, the charging current of single analyzer is (200 ± 5) mA, and the duration of charging is generally no less than 12 hours.Should start shooting after charging electricity and check battery operating voltage, think when usually reaching more than 4.2V and be full of.Off-mode should be in during analyzer charging.
The CJR4/4 type methane and carbon dioxide analyzer that the utility model provides, structure is simple, reasonable in design, the air information that methane transducer and carbon dioxide sensor first receive, pass to radio receiving transmitting module, A/D converter is being passed to by radio receiving transmitting module, information is converted to digital signal by A/D converter, digital signal carries out digital processing passing to single-chip microcomputer, the digital signal transfers after digital processing is carried out to controller through single-chip microcomputer, when the concentration of methane and carbon dioxide meets or exceeds alarming value, controller exports control signal at once, give the alarm through audible-visual annunciator, automatically record every 10 seconds during methane warning and store frame data, carbon dioxide automatically recorded every 1 minute and stored frame data when reporting to the police, security performance is higher, CJR4/4 type methane and carbon dioxide analyzer adopts high performance methane transducer and carbon dioxide sensor, stable performance, and thresholding is accurate, and be swift in response, precision is high.Use-pattern adopts human oriented design, and soft regulation technology is simple to operate, easy to use.Analyzer casing adopts the overall plastic structure of ABS high strength, novel structure, exotic shape, and volume is little, lightweight, easy to carry, functional diversities, and service time is long, and sensing range is wide, more can meet the demand of producer.
Be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (5)
1.CJR4/4 type methane and carbon dioxide analyzer, comprise casing, it is characterized by, described casing is provided with button, display screen and window, described window comprises air chamber window and acoustic alarm window, and described button comprises ON/OFF+key A key, shift key B key, voltage-key C key and calibration acknowledgement key D key, described casing one end is provided with methane test valve and carbon dioxide test valve, the other end is provided with light switch and illuminating lamp, sound and light alarm instrument is provided with between described methane test valve and carbon dioxide test valve, described casing side is provided with charging port, is provided with battery in described casing, circuit main board, display, audible-visual annunciator, methane transducer, carbon dioxide sensor, radio receiving transmitting module, A/D converter, data memory module, single-chip microcomputer and controller, described battery is connected with charging port by wire one end, and the other end is connected with circuit main board, described radio receiving transmitting module one end respectively with methane transducer, carbon dioxide sensor be connected, the other end successively with data memory module, A/D converter, single-chip microcomputer, controller is connected, described controller respectively with circuit main board, audible-visual annunciator is connected with display.
2. CJR4/4 type methane and carbon dioxide analyzer as claimed in claim 1, it is characterized by, described circuit main board is connected with light switch, illuminating lamp by wire.
3. CJR4/4 type methane and carbon dioxide analyzer as claimed in claim 1, it is characterized by, described audible-visual annunciator comprises sound alarm subsystem, light crossing-signal and vibrations alarm, described sound alarm subsystem is hummer, described light crossing-signal is diode, described vibrations alarm is vibrating motor, sound alarm subsystem, light crossing-signal and vibrations alarm synchronous working.
4. CJR4/4 type methane and carbon dioxide analyzer as claimed in claim 1, it is characterized by, described casing is the overall plastic structure of ABS high strength, described display screen can not only show the data of methane and carbon dioxide, also has the function of clock display, battery operating voltage detection, the display of alarm set point thresholding.
5. CJR4/4 type methane and carbon dioxide analyzer as claimed in claim 1, is characterized by, the measurement range 0.00% ~ 4.00%CH of methane
4, the measurement range 0.00% ~ 4.00%CO of carbon dioxide
2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520778296.XU CN205157520U (en) | 2015-10-09 | 2015-10-09 | CJR44 type methane carbon dioxide analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520778296.XU CN205157520U (en) | 2015-10-09 | 2015-10-09 | CJR44 type methane carbon dioxide analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205157520U true CN205157520U (en) | 2016-04-13 |
Family
ID=55693199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520778296.XU Active CN205157520U (en) | 2015-10-09 | 2015-10-09 | CJR44 type methane carbon dioxide analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205157520U (en) |
-
2015
- 2015-10-09 CN CN201520778296.XU patent/CN205157520U/en active Active
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| GR01 | Patent grant |