CN203422370U - Methane detection alarm apparatus with wireless transmission and automatic calibration functions - Google Patents
Methane detection alarm apparatus with wireless transmission and automatic calibration functions Download PDFInfo
- Publication number
- CN203422370U CN203422370U CN201320022824.XU CN201320022824U CN203422370U CN 203422370 U CN203422370 U CN 203422370U CN 201320022824 U CN201320022824 U CN 201320022824U CN 203422370 U CN203422370 U CN 203422370U
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- wireless transmission
- automatic calibration
- methane detection
- sensor
- calibration function
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Abstract
The utility model relates to a methane detection alarm apparatus with wireless transmission and automatic calibration functions. The alarm apparatus comprises a main board as well as an intrinsically safe battery pack, an OLED (organic light emitting diode) display screen, a 2.4GHz wireless radio frequency module, a sensor and a membrane keyboard which are connected with the main board, wherein a single chip microcomputer is arranged on the main board. The alarm apparatus has the wireless transmission and automatic calibration functions, is used for detecting the underground methane concentration in real time in an explosive gas environment of an underground coal mine and can transmit data in a wireless transmission manner, so that the underground environmental safety is fully guaranteed.
Description
Technical field
The utility model belongs to gas-monitoring technical field, relates to a kind of methane detection alarming instrument, especially a kind of methane detection alarming instrument with wireless transmission and automatic calibration function.
Background technology
Coal is the main energy sources of China, and the principal element that affects safe coal production is gas, and methane accounts for most of ratio in gas, and therefore, the detection to methane under coal mine is of crucial importance.
Existing methane detection alarming instrument detects after methane concentration, can not store data in order to only need afterwards, can not be in time to methane ambient conditions under Surveillance center's reaction mine, and show that simple, complicated operation, calibration are loaded down with trivial details, based on above reason, methane detection alarming instrument is improved.
Utility model content
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, a kind of methane detection alarming instrument with wireless transmission and automatic calibration function is provided, this alarm is by arranging radio receiving transmitting module, make it possess the function of Wireless Data Transmission communication, and can, by communicating by letter with calibrating installation, can automatically complete the calibration of alarm.
The purpose of this utility model solves by the following technical programs:
This methane detection alarming instrument with wireless transmission and automatic calibration function, the intrinsic safe battery group that comprises mainboard and be connected with mainboard, OLED display screen, 2.4GHz wireless radio frequency modules, sensor, membrane keyboard; On described mainboard, be provided with single-chip microcomputer.
Above-mentioned single-chip microcomputer is connected with sensor by sensor signal processing circuit, by 485 communicating circuits, is connected with 2.4GHz wireless radio frequency modules, by electric power management circuit, is connected with intrinsic safe battery group.
The sensor comprises catalytic combustion type methane transducer and Temperature Humidity Sensor.
Above-mentioned OLED display screen is 128 * 64 dot matrix OLED display screens.
Above-mentioned single-chip microcomputer is also connected with sound and light alarm module by sound light alarming circuit.
Further, also include flame-proof ABS engineering plastics shell, mainboard and intrinsic safe battery group, OLED display screen, 2.4GHz wireless radio frequency modules, sensor are all arranged in described flame-proof ABS engineering plastics shell, and described membrane keyboard is arranged on flame-proof ABS engineering plastics shell outside.
Above-mentioned intrinsic safe battery group is by 1500mAh/3.7V lithium manganate battery and safety protection the electric circuit constitute.
The utlity model has wireless transmission and automatic calibration function, under coal mine, there is explosive gas atmosphere, detect in real time methane concentration under mine, and can send data with wireless transmission method, fully guaranteed the Environmental security of down-hole.
Accompanying drawing explanation
Fig. 1 is connection diagram of the present utility model;
Fig. 2 is the theory diagram of wherein a kind of embodiment of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Referring to Fig. 1, the utlity model has the methane detection alarming instrument of wireless transmission and automatic calibration function, the intrinsic safe battery group that comprises mainboard and be connected with mainboard, OLED display screen, 2.4GHz wireless radio frequency modules, sensor, membrane keyboard; On described mainboard, be provided with single-chip microcomputer.Described single-chip microcomputer is connected with sensor by sensor signal processing circuit, by 485 communicating circuits, is connected with 2.4GHz wireless radio frequency modules, by electric power management circuit, is connected with intrinsic safe battery group.Described sensor comprises catalytic combustion type methane transducer and Temperature Humidity Sensor.Described OLED display screen is 128 * 64 dot matrix OLED display screens.Described single-chip microcomputer is also connected with sound and light alarm module by sound light alarming circuit.
The utility model also includes a flame-proof ABS engineering plastics shell, mainboard and intrinsic safe battery group, OLED display screen, 2.4GHz wireless radio frequency modules, sensor are all arranged in described flame-proof ABS engineering plastics shell, and described membrane keyboard is arranged on flame-proof ABS engineering plastics shell outside.
Based on above structure, Fig. 2 is the theory diagram of a preferred embodiment of the present utility model, and intrinsic safe battery group is by 1500mAh/3.7V lithium manganate battery and safety protection the electric circuit constitute.Single-chip microcomputer on mainboard is MCU, sensor adopts catalytic combustion type methane transducer, the output signal of sensor is being changed and is being sent to MCU by A/D after by signal condition, lithium manganate battery is also provided with voltage detecting circuit, this circuit output end is connected with MCU by A/D change-over circuit, and membrane keyboard is designed with 6 buttons (power supply, confirm, add, subtract, upper and lower).The power key of this keyboard is connected with lithium manganate battery.By lithium manganate battery, provide power supply for whole methane detection alarming instrument.
Claims (7)
1. a methane detection alarming instrument with wireless transmission and automatic calibration function, is characterized in that, the intrinsic safe battery group that comprises mainboard and be connected with mainboard, OLED display screen, 2.4GHz wireless radio frequency modules, sensor, membrane keyboard; On described mainboard, be provided with single-chip microcomputer.
2. the methane detection alarming instrument with wireless transmission and automatic calibration function according to claim 1, it is characterized in that, described single-chip microcomputer is connected with sensor by sensor signal processing circuit, by 485 communicating circuits, be connected with 2.4GHz wireless radio frequency modules, by electric power management circuit, be connected with intrinsic safe battery group.
3. the methane detection alarming instrument with wireless transmission and automatic calibration function according to claim 1, is characterized in that, described sensor comprises catalytic combustion type methane transducer and Temperature Humidity Sensor.
4. the methane detection alarming instrument with wireless transmission and automatic calibration function according to claim 1, is characterized in that, described OLED display screen is 128 * 64 dot matrix OLED display screens.
5. the methane detection alarming instrument with wireless transmission and automatic calibration function according to claim 1, is characterized in that, described single-chip microcomputer is also connected with sound and light alarm module by sound light alarming circuit.
6. the methane detection alarming instrument with wireless transmission and automatic calibration function according to claim 1, it is characterized in that, also include flame-proof ABS engineering plastics shell, mainboard and intrinsic safe battery group, OLED display screen, 2.4GHz wireless radio frequency modules, sensor are all arranged in described flame-proof ABS engineering plastics shell, and described membrane keyboard is arranged on flame-proof ABS engineering plastics shell outside.
7. the methane detection alarming instrument with wireless transmission and automatic calibration function according to claim 1, is characterized in that, described intrinsic safe battery group is by 1500mAh/3.7V lithium manganate battery and safety protection the electric circuit constitute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320022824.XU CN203422370U (en) | 2013-01-16 | 2013-01-16 | Methane detection alarm apparatus with wireless transmission and automatic calibration functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320022824.XU CN203422370U (en) | 2013-01-16 | 2013-01-16 | Methane detection alarm apparatus with wireless transmission and automatic calibration functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203422370U true CN203422370U (en) | 2014-02-05 |
Family
ID=50021465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320022824.XU Expired - Fee Related CN203422370U (en) | 2013-01-16 | 2013-01-16 | Methane detection alarm apparatus with wireless transmission and automatic calibration functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203422370U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105021775A (en) * | 2015-07-27 | 2015-11-04 | 煤炭科学技术研究院有限公司 | Multi-parameter gas detector |
| CN107765078A (en) * | 2017-09-04 | 2018-03-06 | 广州市隆星电子科技有限公司 | A kind of sensor circuit module that infrared calibration can be achieved |
| CN108036825A (en) * | 2017-12-26 | 2018-05-15 | 广西金邦泰科技有限公司 | A kind of warning device for mine |
| CN110308105A (en) * | 2019-04-24 | 2019-10-08 | 中国矿业大学 | Non-dispersive infrared methane sensor verification system based on cloud platform |
-
2013
- 2013-01-16 CN CN201320022824.XU patent/CN203422370U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105021775A (en) * | 2015-07-27 | 2015-11-04 | 煤炭科学技术研究院有限公司 | Multi-parameter gas detector |
| CN107765078A (en) * | 2017-09-04 | 2018-03-06 | 广州市隆星电子科技有限公司 | A kind of sensor circuit module that infrared calibration can be achieved |
| CN108036825A (en) * | 2017-12-26 | 2018-05-15 | 广西金邦泰科技有限公司 | A kind of warning device for mine |
| CN110308105A (en) * | 2019-04-24 | 2019-10-08 | 中国矿业大学 | Non-dispersive infrared methane sensor verification system based on cloud platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140205 Termination date: 20210116 |