CN207007696U - Mining infrared methane sensor - Google Patents
Mining infrared methane sensor Download PDFInfo
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- CN207007696U CN207007696U CN201720676958.1U CN201720676958U CN207007696U CN 207007696 U CN207007696 U CN 207007696U CN 201720676958 U CN201720676958 U CN 201720676958U CN 207007696 U CN207007696 U CN 207007696U
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- housing
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- methane sensor
- air chamber
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Abstract
It the utility model is related to a kind of mining infrared methane sensor, described sensor, housing, the sensor circuit structure being arranged in the housing, the sensor circuit structure includes：Controller, LED display circuit, USB interface, voltage-stabilized power supply, key switch, sound light alarming circuit, d GPS locating module and the optical component being connected with the controller, the optical component connects controller by A/D change-over circuits, the optical component includes infrared light supply, measurement air chamber, infrared detector, infrared detector and A/D the change-over circuit electrical connection, the infrared light supply is arranged in measurement air chamber, the measurement air chamber is that non-spectral formula reflects air chamber, include reflective mirror and optical filter, the infrared detector is arranged at after optical filter；The LED display circuit is connected with the LED display being arranged on fore shell, and the sound light alarming circuit connects the buzzer being separately positioned on outside the housing, LED alarm lamp electrical connection.
Description
Technical field
It the utility model is related to a kind of mining infrared methane sensor.
Background technology
Methane transducer is used for colliery roadway, getting working face, goaf, return airway in safety of coal mines detecting system
Road, electromechanical chamber etc. continuous monitoring methane (or other hydrocarbon gas) concentration, when methane content exceeding preset limit, can send out automatically
Speak, light alarm, be available for coal mine underground operators, CH_4 detection personnel, underground administrative staff etc. carry with use, also may be used
Fix and use for above-mentioned place.
Traditional methane transducer is not only complicated, and cost is high, and accuracy of detection is relatively low, adaptive capacity to environment is weak, steady
Qualitative deficiency.
In view of above-mentioned, the design people is actively subject to research and innovation, to found a kind of mining infrared methane sensor, makes
It is with more the value in industry.
Utility model content
In order to solve the above technical problems, the purpose of this utility model be to provide a kind of rational in infrastructure, easy to use, waterproof,
Dust-proof mining infrared methane sensor.
The utility model mining infrared methane sensor, including：Housing, the sensor circuit knot being arranged in the housing
Structure, the sensor circuit structure include：Controller, the LED display circuit being connected with the controller, USB interface, voltage stabilizing electricity
Source, key switch, sound light alarming circuit, d GPS locating module and optical component, the optical component pass through A/D change-over circuits
Controller is connected, the optical component includes infrared light supply, measurement air chamber, infrared detector, and the infrared detector and A/D turn
Circuit electrical connection is changed, the infrared light supply is arranged in measurement air chamber, and the measurement air chamber is that non-spectral formula reflects air chamber, including
There are reflective mirror and optical filter, the infrared detector is arranged at after optical filter；The LED display circuit is with being arranged on fore shell
LED display connection, the sound light alarming circuit is electrically connected with the buzzer that is arranged on outside the housing, LED alarm lamp respectively
Connect.
Further, the housing, which includes the rear shell being fixed together and fore shell, the edge of the fore shell, a circle boss,
The groove for having a circle to match with boss on the inside of the back casing, sealing rubber pad is provided between the fore shell and rear shell,
The sealing rubber ring is embedded in the gap of fore shell and rear shell.
Further, the fore shell, rear shell are bolted together, bolt hole are provided with the fore shell, after described
There is the bolt hole post for accommodating bolt in shell, during installation, extended at the top of the bolt hole post in rear shell housing.
Further, the top of the housing sets handle, is bolted between the handle and housing, after described
Hook is installed on the outside of housing.
Further, the infrared light supply is broad-spectrum light source, the infrared light supply it is radiation-curable go out continuous light source or intermittent light
Source；The measurement air chamber section is circle, and the optical filter section is circle.
Further, the outside of the alarm lamp is provided with alarm lampshade, and alarm lampshade passes through lamp socket and the shell of alarming
Body is fixed.
Further, the alarm lamp group that described alarm lamp is made up of red light emitting diodes.
Further, the controller be also electrically connected with one be used for communicate connecting mine substation RS485 or
CAN PORT COMs.
Further, the rear shell is provided with LED illumination lamp, is filled out in the air inlet set on the housing filled with water suction
Material.
Further, the front of the shell is provided with buzzer waterproof net.
By such scheme, the utility model at least has advantages below：
The utility model precision is high, reliable and stable, easy to use.It can realize and concentration of methane gas in mine is examined
While survey, alarmed in concentration of methane gas safety value of the concentration of methane gas higher than setting, effectively prevent mine disaster
Occur, reduce human and material resources loss.Stability is good, is especially suitable for using online；High sensitivity；Anti- background gas interference performance
By force, only absorbing corresponding gas by gas in detector just has sensitivity；Ambient temperature effect is small.High sensitivity, can be with
Minimum gas is analyzed, detector is simple in construction, and cost is cheap.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below
Describe in detail bright as after.
Brief description of the drawings
Fig. 1 is the utility model mining infrared methane sensor appearance schematic diagram；
Fig. 2 is the utility model mining infrared methane sensor circuit diagram,
Fig. 3 is the utility model mining infrared methane sensor measurement air chamber diagrammatic cross-section
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to the scope of the utility model.
Embodiment 1
Referring to Fig. 1 and Fig. 3, a kind of mining infrared methane sensor described in the preferred embodiment of the utility model one, including：
Housing 1, the sensor circuit structure being arranged in the housing, the sensor circuit structure include：Controller, with the control
The LED display circuit of device processed connection, USB interface 6, voltage-stabilized power supply, key switch, sound light alarming circuit, d GPS locating module and
Optical component, the optical component connect controller by A/D change-over circuits, and the optical component includes infrared light supply, measurement
Air chamber, infrared detector, infrared detector and A/D the change-over circuit electrical connection, the infrared light supply are arranged at measurement air chamber
Interior, the measurement air chamber is that non-spectral formula reflects air chamber, includes reflective mirror and optical filter, the infrared detector is arranged at filter
After mating plate；The LED display circuit is connected with the LED display 4 being arranged on fore shell, the sound light alarming circuit respectively with
The buzzer 5 that is arranged on outside the housing, LED alarm lamp 3 electrically connect.The lower end of housing 1 is provided with gas sampling mouth, and gas is adopted
Sample mouth is externally provided with cover body 7, and some bar holes 8 are uniformly provided with cover body 7.
In the present embodiment, the infrared light supply 9 is arranged in measurement air chamber 10, and the measurement air chamber is that non-spectral formula is anti-
Emanate room, include reflective mirror 401 and optical filter 402, the infrared detection is arranged at after optical filter 402.It is described red
Outer light source is broad-spectrum light source, the infrared light supply it is radiation-curable go out continuous light source or intermittent light source；The measurement air chamber section is circle
Shape, the optical filter section are circle, effectively lengthen optical path distance and reduce sensor bulk.The infrared light supply spectrum covers ripple
It is long from 1 μm to 5 μm, its it is radiation-curable go out continuous light source or intermittent light source.The light energy that continuous light source is sent is successive
's.Light is modulated by light source drive control circuit, produces the infrared radiating light of specific frequency；Intermittent light source is the luminous energy sent
Amount changes over time, such as light-pulse generator.By the frequency of the electric signal (voltage or electric current) of control input light source,
The infrared radiating light of specific frequency can be produced.
Embodiment 2
The present embodiment mining infrared methane sensor, on the basis of embodiment 1, the housing includes what is be fixed together
There is a circle boss at rear shell and fore shell, the edge of the fore shell, there is the groove that a circle matches with boss on the inside of the back casing,
Sealing rubber pad is provided between the fore shell and rear shell, the sealing rubber ring is embedded in the gap of fore shell and rear shell.
Further, installed in order to facilitate housing, the fore shell, rear shell are bolted together, on the fore shell
Bolt hole is provided with, there is the bolt hole post for accommodating bolt in the rear shell, during installation, rear shell shell is extended at the top of the bolt hole post
In vivo.
In the various embodiments described above, the outside of the alarm lamp is provided with alarm lampshade, alarm lampshade by alarm lamp socket with
The housing is fixed.Due to having alarm lampshade 11 in alarm lamp external stability, alarm lamp is effectively protected, it is very safe, it is convenient
It is practical.
In the various embodiments described above, alarm lamp group that described alarm lamp is made up of red light emitting diodes.
In the various embodiments described above, the controller is also electrically connected with a RS485 for being used to communicate connecting mine substation
Or CAN PORT COMs.
In the various embodiments described above, the rear shell is provided with LED illumination lamp, is filled with the air inlet set on the housing
Absorb water filler.
In the various embodiments described above, the front of the shell is provided with buzzer waterproof net.
In the various embodiments described above, the top of the housing sets handle 2, is connected between the handle and housing by bolt
Connect, hook is installed on the outside of the back casing.
Described above is only preferred embodiment of the present utility model, is not limited to the utility model, it is noted that
For those skilled in the art, on the premise of the utility model technical principle is not departed from, can also do
Go out some improvement and modification, these improvement and modification also should be regarded as the scope of protection of the utility model.
Claims (10)
- A kind of 1. mining infrared methane sensor, it is characterised in that including：Housing, the sensor electricity being arranged in the housing Line structure, the sensor circuit structure include：Controller is the LED display circuit being connected with the controller, USB interface, steady Voltage source, key switch, sound light alarming circuit, d GPS locating module and optical component, the optical component are changed by A/D Circuit connect controller, the optical component include infrared light supply, measurement air chamber, infrared detector, the infrared detector and A/D change-over circuits are electrically connected, and the infrared light supply is arranged in measurement air chamber, and the measurement air chamber is that non-spectral formula reflects gas Room, includes reflective mirror and optical filter, and the infrared detector is arranged at after optical filter；The LED display circuit is with setting LED display connection on fore shell, the sound light alarming circuit are reported with buzzer, the LED being arranged on outside the housing respectively Warning lamp electrically connects.
- 2. mining infrared methane sensor according to claim 1, it is characterised in that the housing includes being fixed together Rear shell and fore shell, the edge of the fore shell have a circle boss, there is the groove that a circle matches with boss on the inside of the back casing, Sealing rubber pad is provided between the fore shell and rear shell, the sealing rubber ring is embedded in the gap of fore shell and rear shell.
- 3. mining infrared methane sensor according to claim 2, it is characterised in that the fore shell, rear shell pass through bolt Link together, bolt hole is provided with the fore shell, there is the bolt hole post for accommodating bolt, during installation, the spiral shell in the rear shell Extended at the top of keyhole post in rear shell housing.
- 4. mining infrared methane sensor according to claim 2, it is characterised in that the top of the housing sets and carried Hand, it is bolted between the handle and housing, hook is installed on the outside of the back casing.
- 5. mining infrared methane sensor according to claim 1, it is characterised in that the infrared light supply is broad-spectrum light Source, the infrared light supply it is radiation-curable go out continuous light source or intermittent light source；The measurement air chamber section is circle, and the optical filter cuts open Face is circle.
- 6. mining infrared methane sensor according to claim 2, it is characterised in that the outside of the alarm lamp is provided with Alarm lampshade, alarm lampshade are fixed by lamp socket of alarming with the housing.
- 7. mining infrared methane sensor according to claim 1, it is characterised in that described alarm lamp is sent out by red The alarm lamp group of optical diode composition.
- 8. mining infrared methane sensor according to claim 1, it is characterised in that the controller is also electrically connected with one The individual RS485 or CAN PORT COMs for being used to communicate connecting mine substation.
- 9. mining infrared methane sensor according to claim 2, it is characterised in that the rear shell is provided with LED illumination Lamp, filled with water suction filler in the air inlet set on the housing.
- 10. mining infrared methane sensor according to claim 1, it is characterised in that the front of the housing is provided with honeybee Ring device waterproof net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720676958.1U CN207007696U (en) | 2017-06-12 | 2017-06-12 | Mining infrared methane sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720676958.1U CN207007696U (en) | 2017-06-12 | 2017-06-12 | Mining infrared methane sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207007696U true CN207007696U (en) | 2018-02-13 |
Family
ID=61447412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720676958.1U Active CN207007696U (en) | 2017-06-12 | 2017-06-12 | Mining infrared methane sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207007696U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188998A (en) * | 2020-02-18 | 2020-05-22 | 西安石油大学 | Oil real-time monitoring equipment with a plurality of installation position supports |
| CN113189928A (en) * | 2020-01-14 | 2021-07-30 | 湖北师范大学 | Mining flame-proof and intrinsic safety type PLC control box |
| CN115031579A (en) * | 2022-05-06 | 2022-09-09 | 福建卓航特种设备有限公司 | Mortar anti-reloading alarm equipment |
-
2017
- 2017-06-12 CN CN201720676958.1U patent/CN207007696U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113189928A (en) * | 2020-01-14 | 2021-07-30 | 湖北师范大学 | Mining flame-proof and intrinsic safety type PLC control box |
| CN111188998A (en) * | 2020-02-18 | 2020-05-22 | 西安石油大学 | Oil real-time monitoring equipment with a plurality of installation position supports |
| CN111188998B (en) * | 2020-02-18 | 2022-01-14 | 西安石油大学 | Oil real-time monitoring equipment with a plurality of installation position supports |
| CN115031579A (en) * | 2022-05-06 | 2022-09-09 | 福建卓航特种设备有限公司 | Mortar anti-reloading alarm equipment |
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