CN119715397A - A gas detection device based on laser principle for coal mines - Google Patents
A gas detection device based on laser principle for coal mines Download PDFInfo
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- CN119715397A CN119715397A CN202411835706.XA CN202411835706A CN119715397A CN 119715397 A CN119715397 A CN 119715397A CN 202411835706 A CN202411835706 A CN 202411835706A CN 119715397 A CN119715397 A CN 119715397A
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Abstract
The invention discloses a gas detection device based on a laser principle for a coal mine, which comprises a base, wherein the top end of the base is provided with a vertical rod fixed with the base, a connecting sleeve is rotatably sleeved on the vertical rod, the top end of the connecting sleeve is provided with a detection box, the inside of the detection box is provided with a detection channel, the two opposite sides of the detection channel are respectively fixed with a laser emitter and a laser receiver which are led into the detection channel, the top end of the detection box is fixedly provided with an air pump with an output end led into the detection channel, the input end of the air pump is communicated with an air inlet pipe, the bottom end of the detection channel is communicated with an air outlet pipe, the front end of the air inlet pipe is fixedly provided with a dust blocking net, the front end of the detection box is fixedly provided with a dust raising sensor, the inside of the detection box is fixedly provided with a first processor, one side of the vertical rod is fixedly provided with a motor, the output end of the motor rotates through the belt transmission connecting sleeve, and the motor, the dust raising sensor and the first processor are electrically connected. According to the invention, dust emission detection is carried out around the mine hole, so that the dust emission detection is automatically controlled to deviate from the dust blowing surface, and the influence of dust emission on detection is reduced.
Description
Technical Field
The invention relates to the technical field of gas detection, in particular to a gas detection device based on a laser principle for a coal mine.
Background
The laser gas detection device has the detection principle that laser scans the gas to be detected, and the detection technology is adopted to detect the absorption condition of the gas to be detected on the laser so as to analyze the parameters of the gas. The existing laser gas detection device can realize gas detection, but a large amount of dust can be generated in the mine hole during gas detection in the mine hole due to operation exploitation, and the laser gas detection device is easy to attach to a laser emitter and a laser receiver, so that the detection effect is affected.
Disclosure of Invention
The application aims to provide a gas detection device based on a laser principle for a coal mine, which aims to solve the problems in the background technology.
The gas detection device comprises a base, a vertical rod, a detection box, a connecting sleeve, a detection channel, a laser emitter, a laser receiver, an air pump, an air inlet pipe, a dust blocking net, a first processor, a dust sensor, a motor, a belt and an air outlet pipe, wherein the vertical rod is fixedly connected with the top end of the base, the connecting sleeve is rotatably sleeved on the vertical rod, the top end of the connecting sleeve is provided with the detection box fixedly connected with the connecting sleeve, the inside of the detection box is provided with the vertically arranged cylindrical detection channel, the laser emitter and the laser receiver which are respectively and fixedly arranged at two opposite sides of the detection channel, the air pump with the output end which is led into the detection channel is fixedly arranged at the top end of the detection box, the air inlet pipe is communicated with the input end of the air pump, the air outlet pipe is communicated with the bottom end of the detection channel, the dust blocking net is fixedly arranged at the front end of the air inlet pipe, the dust sensor is fixedly arranged at the front end of the detection box, the first processor is fixedly arranged inside the detection box, one side of the motor is fixedly arranged at one side of the vertical rod, and the motor is fixedly arranged at one side of the motor, and the dust sensor is electrically connected with the belt through the first processor.
Preferably, an air channel is arranged between the detection channel and the inner wall of the detection box, the outer walls of the laser transmitter and the laser receiver are fixedly provided with a heat dissipation plate positioned outside the detection channel, and the heat dissipation plate is positioned in the air channel.
Preferably, an air inlet communicated with the air duct is formed in one side of the detection box, a fan is fixedly mounted at the air inlet, and an air outlet communicated with the air duct is formed in the other opposite side of the detection box.
Preferably, the air outlet is fixedly provided with a branch pipe communicated with the air outlet, the output end of the branch pipe faces the dust blocking net, the branch pipe is fixedly provided with a second electric control valve, and the air outlet is fixedly provided with a first electric control valve.
Preferably, the front side of the detection box is fixedly provided with a display, the inside of the detection box is fixedly provided with a second processor, and the second processor, the laser transmitter, the laser receiver and the display are electrically connected.
Preferably, the top of base fixed mounting has the block terminal.
Preferably, the dust sensor and the air inlet pipe face the same direction.
In summary, the invention has the technical effects and advantages that:
According to the invention, the air pump is used for pumping air from the air inlet pipe and sending the air into the detection channel, the laser emitted by the laser emitter is received by the laser receiver, the absorption condition of the detected gas to the laser is detected to analyze the parameter of the gas, the dust blocking net is used for carrying out dust blocking protection on the air inlet pipe, the dust raising sensor is used for detecting the dust raising at the mine hole, when the dust raising in the air inlet direction reaches a set concentration threshold value, the first processor controls the motor to be started, and the motor drives the connecting sleeve to rotate through the belt so as to enable the detection box to rotate to adjust the angle, so that the air inlet end of the air inlet pipe deviates from the dust blowing surface, the dust entering the detection channel is reduced, the working influence on the laser emitter and the laser receiver is reduced, and the working efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a gas detection device based on a laser principle for coal mine in an embodiment of the application;
Fig. 2 is a schematic diagram of a cross-sectional structure of a detection box of a gas detection device based on a laser principle for coal mines in an embodiment of the application, and fig. 3 is a schematic diagram of a detection channel of the gas detection device based on the laser principle for coal mines in the embodiment of the application. In the figure:
1. A base; 2, a vertical rod, 3, a detection box, 4, a connecting sleeve, 5, a detection channel, 6, a laser emitter;
7. The device comprises a laser receiver, 8, a heat radiation plate, 9, an air inlet, 10, a fan, 11, an air pump, 12, an air inlet pipe, 13 and a dust blocking net;
14. the device comprises an air outlet, a first electric control valve, a 16, a branch pipe, a 17, a second electric control valve, a 18, a first processor, a 19, a second processor, a 20, a dust sensor, a 21, a motor, a 22, a belt, a 23, an air outlet pipe, a 24 and a distribution box.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present disclosure, it should be noted that the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present disclosure. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
It should be noted that, standard parts used in the present application document can be purchased from market, and can be customized according to the description of the specification and the drawings. Unless specifically stated or limited otherwise, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, or indirectly connected via an intervening medium, or may be in communication between two elements. The specific meaning of the terms in this disclosure will be understood by those of ordinary skill in the art in the specific context, and without explicit limitation, machines, components, and equipment may take any form conventionally known in the art.
In this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising" does not exclude the presence of additional identical elements in a process, method, article, or apparatus that comprises the element.
The embodiment refers to a gas detection device based on a laser principle for a coal mine, which is shown in figures 1-3 and comprises a base 1, a vertical rod 2, a detection box 3, a connecting sleeve 4, a detection channel 5, a laser emitter 6, a laser receiver 7, an air pump 11, an air inlet pipe 12, a dust blocking net 13, a first processor 18, a dust sensor 20, a motor 21, a belt 22 and an air outlet pipe 23, wherein the vertical rod 2 fixedly connected with the base 1 is arranged at the top end of the base 1, the connecting sleeve 4 is rotatably sleeved on the vertical rod 2, the top end of the connecting sleeve 4 is provided with the detection box 3 fixedly connected with the connecting sleeve, the inside of the detection box 3 is provided with a cylindrical detection channel 5 which is vertically arranged, the two opposite sides of the detection channel 5 are respectively and fixedly provided with the laser emitter 6 and the laser receiver 7 which are led into the inside of the detection box, the top end of the detection channel 3 is fixedly provided with the air pump 11 which is led into the inside of the detection channel 5, the input end of the air pump 11 is communicated with the air inlet pipe 12, the bottom end of the detection channel 5 is communicated with the air outlet pipe 23, the front end of the air inlet pipe 12 is fixedly provided with the dust blocking net 13, the front end of the detection box 3 is rotatably connected with the motor 3, the front end of the detection box is fixedly provided with the dust sensor 20, the dust detector 21 is fixedly connected with the air inlet pipe 21 and the laser receiver 20, the laser emitter is fixedly connected with the laser receiver 18 and the laser receiver is fixedly connected with the air receiver 18 through the air inlet pipe 20, the air inlet channel is fixedly arranged at one side of the air inlet channel and the air inlet channel is fixedly connected with the air inlet pipe 1, the dust sensor detects the dust at the mine hole, when the dust in the air inlet direction reaches the set concentration threshold value, the first processor controls the motor to be started, the motor drives the connecting sleeve to rotate through the belt so that the detection box rotates to adjust the angle, the air inlet end of the air inlet pipe deviates from the dust blowing surface, so that the dust entering the detection channel is reduced, the working influence on the laser transmitter and the laser receiver is reduced, and the working efficiency is improved.
By means of the structure, an air duct is arranged between the detection channel 5 and the inner wall of the detection box, the outer walls of the laser transmitter 6 and the laser receiver 7 are fixedly provided with the radiating plate 8 positioned outside the detection channel, and the radiating plate 8 is positioned in the air duct to facilitate heat dissipation.
By means of the structure, one side of the detection box 3 is provided with the air inlet 9 communicated with the air duct, the fan 10 is fixedly arranged at the air inlet 9, the other opposite side of the detection box 3 is provided with the air outlet 14 communicated with the air duct, the fan supplies air into the air duct, and the air is discharged from the air outlet after taking away heat of the heat dissipation plate.
By means of the structure, the air outlet 14 is fixedly provided with the branch pipe 16 communicated with the air outlet, the output end of the branch pipe 16 faces the dust blocking net 13, the branch pipe 18 is fixedly provided with the second electric control valve 17, the air outlet 14 is fixedly provided with the first electric control valve 15, the first electric control valve is opened to close the second electric control valve, so that the air outlet is normally exhausted, when the dust blocking net needs to be dedusted and maintained, the first electric control valve is closed to open the second electric control valve, and air in the air channel is sprayed out from the branch pipe to the surface of the dust blocking net to realize blowing dust removal.
By means of the structure, a display is fixedly arranged on the front side of the detection box 3, a second processor 19 is fixedly arranged in the detection box 3, and the second processor 19, the laser emitter 6, the laser receiver 7 and the display are electrically connected.
By the above structure, the top end of the base 1 is fixedly provided with the distribution box 24.
By the above structure, the dust sensor 20 and the air inlet pipe 12 are oriented in the same direction.
It should be noted that, although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, and improvements to some of the technical features described in the foregoing embodiments may be made by those skilled in the art, and all modifications, equivalents, improvements and modifications are intended to be included in the scope of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411835706.XA CN119715397A (en) | 2024-12-13 | 2024-12-13 | A gas detection device based on laser principle for coal mines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411835706.XA CN119715397A (en) | 2024-12-13 | 2024-12-13 | A gas detection device based on laser principle for coal mines |
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| Publication Number | Publication Date |
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| CN119715397A true CN119715397A (en) | 2025-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202411835706.XA Pending CN119715397A (en) | 2024-12-13 | 2024-12-13 | A gas detection device based on laser principle for coal mines |
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| CN109612960A (en) * | 2019-01-21 | 2019-04-12 | 中国计量大学 | A methane detection device with lifting and rotating function based on NB-IoT |
| CN209858510U (en) * | 2019-03-04 | 2019-12-27 | 苏州悦涵环保科技有限公司 | Mining toxic gas detection equipment |
| CN212060130U (en) * | 2020-01-14 | 2020-12-01 | 南京瑞途优特信息科技有限公司 | Colliery is air quality detection device in pit based on remote control |
| CN214473158U (en) * | 2021-02-23 | 2021-10-22 | 杜明哲 | Portable negative oxygen ion detection device |
| CN215004962U (en) * | 2021-04-19 | 2021-12-03 | 深圳市利拓光电有限公司 | Laser gas detection device with dustproof function |
| CN115166141A (en) * | 2022-06-09 | 2022-10-11 | 华能国际电力股份有限公司大连电厂 | An on-site monitoring device for coal yard environment |
| CN218584760U (en) * | 2022-09-21 | 2023-03-07 | 东莞市盛世家博能源设备有限公司 | A composite gas detector |
| CN219935663U (en) * | 2023-03-29 | 2023-10-31 | 常熟信雅达光电有限公司 | An anti-fouling laser module for laser dust sensors |
| CN220473125U (en) * | 2023-07-21 | 2024-02-09 | 上海鑫科环保科技有限公司 | Atmospheric pollution detects sampling device |
| CN117571570A (en) * | 2023-11-27 | 2024-02-20 | 内蒙古自治区环境监测总站 | A gas detection device |
-
2024
- 2024-12-13 CN CN202411835706.XA patent/CN119715397A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612960A (en) * | 2019-01-21 | 2019-04-12 | 中国计量大学 | A methane detection device with lifting and rotating function based on NB-IoT |
| CN209858510U (en) * | 2019-03-04 | 2019-12-27 | 苏州悦涵环保科技有限公司 | Mining toxic gas detection equipment |
| CN212060130U (en) * | 2020-01-14 | 2020-12-01 | 南京瑞途优特信息科技有限公司 | Colliery is air quality detection device in pit based on remote control |
| CN214473158U (en) * | 2021-02-23 | 2021-10-22 | 杜明哲 | Portable negative oxygen ion detection device |
| CN215004962U (en) * | 2021-04-19 | 2021-12-03 | 深圳市利拓光电有限公司 | Laser gas detection device with dustproof function |
| CN115166141A (en) * | 2022-06-09 | 2022-10-11 | 华能国际电力股份有限公司大连电厂 | An on-site monitoring device for coal yard environment |
| CN218584760U (en) * | 2022-09-21 | 2023-03-07 | 东莞市盛世家博能源设备有限公司 | A composite gas detector |
| CN219935663U (en) * | 2023-03-29 | 2023-10-31 | 常熟信雅达光电有限公司 | An anti-fouling laser module for laser dust sensors |
| CN220473125U (en) * | 2023-07-21 | 2024-02-09 | 上海鑫科环保科技有限公司 | Atmospheric pollution detects sampling device |
| CN117571570A (en) * | 2023-11-27 | 2024-02-20 | 内蒙古自治区环境监测总站 | A gas detection device |
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