CN204731187U - CTH1000-8A carbon monoxide tester - Google Patents
CTH1000-8A carbon monoxide tester Download PDFInfo
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- CN204731187U CN204731187U CN201520391564.2U CN201520391564U CN204731187U CN 204731187 U CN204731187 U CN 204731187U CN 201520391564 U CN201520391564 U CN 201520391564U CN 204731187 U CN204731187 U CN 204731187U
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- alarm
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- carbon monoxide
- power supply
- circuit board
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Abstract
CTH1000-8A carbon monoxide tester of the present utility model, comprise casing, control circuit board is provided with in casing, power supply, carbon monoxide transducer, A/D converter, single-chip microcomputer, display, alarm and radio receiving transmitting module, described alarm comprises sound alarm subsystem, light crossing-signal and vibrations alarm, its stable performance, thresholding is accurate, be swift in response, precision is high, exotic shape, volume is little, lightweight, easy to carry, adopt human oriented design, soft regulation technology, simple to operate, easy to use, alarm casing adopts the overall plastic structure of ABS high strength, the keyswitch type electronic thin film switch of adapted high sealing performance, four red numeral method of high brightness, sound, light, the convolution alarm mode of vibrations, report to the police clear, obviously, warning effect is more obvious, better, and be configured with radio receiving transmitting module, upload night watching data.
Description
Technical field
The utility model relates to a kind of gas detecting and alarming instrument, particularly a kind of CTH1000-8A carbon monoxide tester.
Background technology
Carbon monoxide tester be a kind of can the essential safe type instrument of poisonous and harmful, flammable explosive gas concentration in continuous detecting operating environment.Be applicable to explosion-proof, toxic gas leak speedily carry out rescue work, the place such as underground pipeline or mine, effectively can ensure that the life security of staff is not encroached on, production equipment is not suffered a loss.Be applicable to the concentration of testing environment CO in Air.More there is sensitivity and poor stability, the shortcoming that the working time is short in the oxygen Carbon Monoxide Detection alarm now used, be not suitable for mining work under mine, simultaneously less than normal to the sensing range of hazardous gas, also just reduces security performance to a certain extent.
Utility model content
For the problems referred to above, the utility model proposes CTH1000-8A carbon monoxide tester.
For solving above technical matters, the technical scheme that the utility model provides is:
CTH1000-8A carbon monoxide tester, it is characterized in that, comprise casing, the length of described casing, be respectively L, D, H, described L=100mm, described D=56mm, described H=24mm, the front of casing has observation panel, button and sound window, the upper side of casing has air intake opening, and described observation panel is square, and is positioned at keys upwards, described button is keyswitch type electronic thin film switch, is provided with control circuit board, power supply, carbon monoxide transducer, A/D converter, single-chip microcomputer, display, alarm and radio receiving transmitting module in casing;
One end of described carbon monoxide transducer is connected with control circuit board, the other end is connected with A/D converter, carbon monoxide transducer is positioned at air intake opening place, and described A/D converter is connected with single-chip microcomputer, and described single-chip microcomputer is connected with display and alarm by control circuit board;
Described alarm comprises sound alarm subsystem, light crossing-signal and vibrations alarm, sound alarm subsystem, light crossing-signal and vibrations alarm synchronous working, described sound alarm subsystem is the passive hummer of paster, be positioned at sound window place, described vibrations alarm is vibrating motor, be arranged at four angles place in casing, described display is numeral method device, numeral method device is the red charactrons of four high brightness, display and observation panel corresponding matching, described light crossing-signal is ceramic paster LED light source, is distributed in symmetrically above and below display;
Described power supply is intrinsic safety electric source, and power supply is connected with control circuit board, realizes supplying the power supply of carbon monoxide transducer, A/D converter, single-chip microcomputer, display, alarm and radio receiving transmitting module by control circuit board;
Upper side in casing is also provided with emergency light, emergency light is connected with emergency light power supply, described emergency light power supply and power supply relatively independent, be intrinsic safety electric source, emergency light is by emergency light switch control rule, and described emergency light switch is keyswitch type electronic thin film switch, is arranged at casing left upper portion, described radio receiving transmitting module is arranged in casing, is connected with control circuit board;
Further, described air intake opening is equipped with valve;
Further, be sheathed with leather sheath outside described casing, described leather sheath both sides are provided with band, and described band is provided with VELCRO.
This CTH1000-8A carbon monoxide tester is at carbon monoxide: (0 ~ 1000) × 10
-6alarm set point is set arbitrarily in the scope of CO, the difference of alarm indication value and setting value is no more than ± and 0.05%, first set the alarm set point of carbon monoxide in use, air intake opening by valve by mining for the air intake in environment alarm, carbon monoxide transducer detects the carbon monoxide gas body burden in air, voltage signal will be sent, above-mentioned voltage signal converts thereof into digital signal by A/D converter, single-chip microcomputer is sent to carry out digital processing, digital signal after digital processing demonstrates the carbonomonoxide concentration of tested gas by control circuit board driving display, when carbonomonoxide concentration reaches alarming value, single-chip microcomputer exports control signal immediately, control alarm through control circuit board to give the alarm, sound alarm subsystem, light crossing-signal and vibrations alarm synchronously send buzzing, flash of light and vibrations, simultaneously numeral method red numerical flashing, this CTH1000-8A carbon monoxide tester also passes through single-chip microcomputer, setting clock, and display is with on display, the staff be convenient under mine understands time variations, be configured with radio receiving transmitting module simultaneously, when night watching, radio receiving transmitting module does not work, until night watching terminates, during charging, radio receiving transmitting module is opened, and automatically and Patrol Terminal carry out wireless connections, upload the night watching data of preservation.After data end of transmission, close radio receiving transmitting module, detection alarm instrument enters charging off-mode.
This CTH1000-8A carbon monoxide tester is not when using, and detection alarm instrument can be placed in leather sheath, by the band bundle of leather sheath both sides on arm or waist.
In sum, CTH1000-8A carbon monoxide tester of the present utility model adopts high-performance sensors, micro computer digital technology and Novel electronic devices, stable performance, thresholding is accurate, be swift in response, precision is high, use-pattern adopts human oriented design, soft regulation technology, simple to operate, easy to use, detection alarm instrument shell adopts the overall plastic structure of ABS high strength, the keyswitch type electronic thin film switch of adapted high sealing performance, four red numeral method of high brightness, novel structure, exotic shape, volume is little, lightweight, easy to carry, be configured with radio receiving transmitting module simultaneously, upload night watching data.
Accompanying drawing explanation
Fig. 1 the utility model schematic diagram.
Fig. 2 schematic diagram of the present utility model.
Fig. 3 leather sheath schematic diagram.
Fig. 4 alarm schematic diagram.
Embodiment
CTH1000-8A carbon monoxide tester, it is characterized in that, comprise casing 1, the length of described casing, wide, high, be respectively L, D, H, described L=100mm, described D=56mm, described H=24mm, casing 1 is by upper shell 23, lower house 24 laminating forms, and be bolted, O-ring seal 25 is provided with between upper shell 23 and lower house 24, the front of casing 1 has observation panel 2, button 3 and sound window 26, the upper side of casing 1 has air intake opening 4, described observation panel 2 is square, be positioned at above button 3, described button 3 is keyswitch type electronic thin film switch, control circuit board 5 is provided with in casing 1, power supply 6, carbon monoxide transducer 7, A/D converter 8, single-chip microcomputer 9, display 10, alarm 11 and radio receiving transmitting module 12,
One end of described carbon monoxide transducer 7 is connected with control circuit board 5, the other end is connected with A/D converter 8, carbon monoxide transducer 7 is positioned at air intake opening 4 place, and described A/D converter 8 is connected with single-chip microcomputer 9, and described single-chip microcomputer 9 is connected with display 10 and alarm 11 by control circuit board 5;
Described alarm 11 comprises sound alarm subsystem 13, light crossing-signal 14 and vibrations alarm 15, sound alarm subsystem 13, light crossing-signal 14 and vibrations alarm 15 synchronous working, described sound alarm subsystem 13 is the passive hummer of paster, quantity is 8, be positioned at sound window 26 place, described vibrations alarm 15 is vibrating motor, quantity is 4, be arranged at four angles place in casing 1, described display 10 is numeral method device, numeral method device is the red charactrons of four high brightness, display 10 and observation panel 2 corresponding matching, described light crossing-signal 14 is ceramic paster LED light source, quantity is 16, be distributed in above and below display 10 symmetrically,
Described power supply 6 is connected with control circuit board 5, realizes supplying the power supply of carbon monoxide transducer 7, A/D converter 8, single-chip microcomputer 9, display 10, alarm 11 and radio receiving transmitting module 12 by control circuit board 5;
Upper side in casing 1 is also provided with emergency light 16, emergency light 16 is connected with emergency light power supply 17, described emergency light power supply 17 is relatively independent with power supply 6, emergency light 16 controls by emergency light switch 18, described emergency light switch 18 is keyswitch type electronic thin film switch, be arranged at casing 1 left upper portion, described radio receiving transmitting module 12 is arranged in casing 1, is connected with control circuit board 5;
Wherein, described power supply 6 and emergency light power supply 17 are intrinsic safety electric source, and described air intake opening 4 is equipped with valve 19, are sheathed with leather sheath 20 outside described casing 1, and described leather sheath 20 both sides are provided with band 21, and described band 21 is provided with VELCRO 22.
The technical parameter of the CTH1000-8A carbon monoxide tester of the present embodiment is as follows:
1, environment for use condition:
Temperature: (0 ~ 40) DEG C;
Relative humidity: during≤98%(25 DEG C);
Atmospheric pressure: (80 ~ 116) kPa;
Wind speed: be not more than 8m/s;
There is the underground coal mine of methane or coal dust explosion hazard;
In the place without trickle, ponding;
2, display mode: four emitting red light numerical monitor;
3, resolution: 1 × 10
-6cO;
4, working method: diffusion type;
5, measurement range: (0 ~ 1000) × 10
-6cO;
6, measuring error meets table 1 and requires:
Table 1: unit is 1 × 10
-6cO
| Measurement range | Fundamental error |
| 0～20 | Be not more than ± 2 |
| >20～100 | Be not more than ± 4 |
| >100～500 | Be not more than measured value ± 5% |
| >500～1000 | Be not more than measured value ± 6% |
7, the response time: be not more than 45s;
8, warning function:
A, alarm range: alarm set point can in (5 ~ 500) × 10
-6arrange arbitrarily within the scope of CO
(Default Value is 24 × 10
-6cO), can carry out at any time checking or adjusting;
B, warning error: be not more than 1 × 10
-6cO;
C, type of alarm: red numerical flash of light, alarm song;
D, warning sound level intensities: >=75dB(A);
9, pop one's head in the life-span: >=2 years;
10, clock part:
(1), standard: 24 hours systems;
(2), displaying contents: hour, point;
(3), error :≤± 1 minute/24 hours (can manual correction);
11, operating supply voltage part:
(1), measurement range: 3.1 V ~ 5 V;
(2), measuring error :≤± 0.01 V;
(3), display mode: show magnitude of voltage after E word;
12, the automatic record of data memory function:
(1), record format: time m-carbonomonoxide concentration;
(2), storage mode: when not reporting to the police, automatically record every half an hour and store frame data; During warning, automatically record every 10 seconds and store frame data;
(3), memory capacity: 120 frames (increase-volume can be required according to user);
13, soft regulatory function:
(1), regulative mode: button;
(2), regulate content: zero point, correct;
14, undervoltage warning and under-voltage automatic shut-off function:
During the V of operating supply voltage E≤3.1, under-voltage value is flashed, automatic shutdown after 2 seconds;
15, once charge stream time: > 40 hours;
16, power source charges life-span: > 500 times;
17, shell adopts antistatic ABS engineering plastics, creepage distance, electric clearance and spacing all >=2.0mm;
18, physical dimension: 100 × 56 × 24 (mm);
19, weight :≤200g;
20, radio receiving transmitting module:
(1), communication modes: amplitude modulation AM;
(2), frequency of operation: 315MHZ;
(3), frequency stability: ± 75KHZ;
(4), emissive power :≤500mW;
(5), quiescent current :≤0.1UA;
(6), transmitter current: 3 ~ 50mA;
(7), operating voltage: DC 3.7V.
This CTH1000-8A carbon monoxide tester is at carbon monoxide: (0 ~ 1000) × 10
-6alarm set point is set arbitrarily in the scope of CO, the difference of alarm indication value and setting value is no more than ± and 0.05%, first set the alarm set point of carbon monoxide in use, air intake opening by valve by mining for the air intake in environment alarm, carbon monoxide transducer detects the carbon monoxide gas body burden in air, voltage signal will be sent, above-mentioned voltage signal converts thereof into digital signal by A/D converter, single-chip microcomputer is sent to carry out digital processing, digital signal after digital processing demonstrates the carbonomonoxide concentration of tested gas by control circuit board driving display, when carbonomonoxide concentration reaches alarming value, single-chip microcomputer exports control signal immediately, control alarm through control circuit board to give the alarm, sound alarm subsystem, light crossing-signal and vibrations alarm synchronously send buzzing, flash of light and vibrations, simultaneously numeral method red numerical flashing, this CTH1000-8A carbon monoxide tester also passes through single-chip microcomputer, setting clock, and display is with on display, the staff be convenient under mine understands time variations, be configured with radio receiving transmitting module simultaneously, when night watching, radio receiving transmitting module does not work, until night watching terminates, during charging, radio receiving transmitting module is opened, and automatically and Patrol Terminal carry out wireless connections, upload the night watching data of preservation.After data end of transmission, close radio receiving transmitting module, detection alarm instrument enters charging off-mode.
This CTH1000-8A carbon monoxide tester is not when using, and detection alarm instrument can be placed in leather sheath, by the band bundle of leather sheath both sides on arm or waist.
In sum, CTH1000-8A carbon monoxide tester of the present utility model adopts high-performance sensors, micro computer digital technology and Novel electronic devices, stable performance, thresholding is accurate, be swift in response, precision is high, use-pattern adopts human oriented design, soft regulation technology, simple to operate, easy to use, detection alarm instrument shell adopts the overall plastic structure of ABS high strength, the keyswitch type electronic thin film switch of adapted high sealing performance, four red numeral method of high brightness, novel structure, exotic shape, volume is little, lightweight, easy to carry, be configured with radio receiving transmitting module simultaneously, upload night watching data.
The above; 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 (1)
1.CTH1000-8A carbon monoxide tester, it is characterized in that, comprise casing, the length of described casing, wide, high, be respectively L, D, H, described L=100mm, described D=56mm, described H=24mm, the front of casing has observation panel, button and sound window, the upper side of casing has air intake opening, described observation panel is square, be positioned at keys upwards, described button is keyswitch type electronic thin film switch, control circuit board is provided with in casing, power supply, carbon monoxide transducer, A/D converter, single-chip microcomputer, display, alarm and radio receiving transmitting module, power supply is connected with control circuit board, realized carbon monoxide transducer by control circuit board, A/D converter, single-chip microcomputer, display, the power supply supply of alarm and radio receiving transmitting module, one end of described carbon monoxide transducer is connected with control circuit board, the other end is connected with A/D converter, carbon monoxide transducer is positioned at air intake opening place, described A/D converter is connected with single-chip microcomputer, described single-chip microcomputer is connected with display and alarm by control circuit board, described alarm comprises sound alarm subsystem, light crossing-signal and vibrations alarm, sound alarm subsystem, light crossing-signal and vibrations alarm synchronous working, described sound alarm subsystem is the passive hummer of paster, be positioned at sound window place, described vibrations alarm is vibrating motor, be arranged at four angles place in casing, described display is numeral method device, numeral method device is the red charactrons of four high brightness, display and observation panel corresponding matching, described light crossing-signal is ceramic paster LED light source, be distributed in symmetrically above and below display, upper side in casing is also provided with emergency light, emergency light is connected with emergency light power supply, described emergency light power supply and power supply relatively independent, be intrinsic safety electric source, emergency light is by emergency light switch control rule, described emergency light switch is keyswitch type electronic thin film switch, be arranged at casing left upper portion, described radio receiving transmitting module is arranged in casing, be connected with control circuit board, described power supply and emergency light power supply are intrinsic safety electric source, described air intake opening is equipped with valve, leather sheath is sheathed with outside described casing, described leather sheath both sides are provided with band, described band is provided with VELCRO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520391564.2U CN204731187U (en) | 2015-06-09 | 2015-06-09 | CTH1000-8A carbon monoxide tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520391564.2U CN204731187U (en) | 2015-06-09 | 2015-06-09 | CTH1000-8A carbon monoxide tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204731187U true CN204731187U (en) | 2015-10-28 |
Family
ID=54389526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520391564.2U Active CN204731187U (en) | 2015-06-09 | 2015-06-09 | CTH1000-8A carbon monoxide tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204731187U (en) |
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2015
- 2015-06-09 CN CN201520391564.2U patent/CN204731187U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |