CN208089334U - A kind of coalmine ventilation and gas density monitoring system - Google Patents
A kind of coalmine ventilation and gas density monitoring system Download PDFInfo
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- CN208089334U CN208089334U CN201820354613.9U CN201820354613U CN208089334U CN 208089334 U CN208089334 U CN 208089334U CN 201820354613 U CN201820354613 U CN 201820354613U CN 208089334 U CN208089334 U CN 208089334U
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- positioning plate
- gas
- monitoring system
- gas density
- bolt
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Abstract
The utility model is related to mining safety monitoring technical field, and it is an object of the present invention to provide a kind of coalmine ventilation and gas density monitoring system.Used technical solution is：A kind of coalmine ventilation and gas density monitoring system, including monitoring device, the monitoring device include detent mechanism, and the methane Concentration Measurement mechanism in detent mechanism and measuring wind speed mechanism；The detent mechanism includes the fixed plate from top to bottom set gradually, the first positioning plate and the second positioning plate；The methane Concentration Measurement mechanism includes firedamp sensor and gas detecting chamber, and the gas detecting chamber is mounted on the first positioning plate；The measuring wind speed mechanism includes the ventilation duct and rotary encoder being arranged in gas detecting chamber bottom, and the rotary encoder is mounted on the second positioning plate, and the inner wall of the ventilation duct is provided with guide pin, side is provided with blade.The utility model manufacturing cost is low, and corresponding speed is fast, while can easily be accommodated, firmly install.
Description
Technical field
The utility model is related to mining safety monitoring technical fields, and in particular to a kind of coalmine ventilation is monitored with gas density
System.
Background technology
With the increase of coal mining depth, the diversity of underground geological state, the complexity of gas bearing and gas are prominent
The uncertainty gone out is more notable, and gas explosion accident happens occasionally, and causing Safety of Coal Mine Production, there are great security risks
While, prodigious influence, thus coalmine ventilation and gas density monitoring system are also brought on the health of miner and life security
Setting it is essential, the testing agency of wind speed and gas density is the important component of monitoring system.
In the prior art, measuring wind speed mechanism is usually separately provided with methane Concentration Measurement mechanism, causes manufacturing cost mistake
It is high.At the same time, it when carrying out methane Concentration Measurement, generally waits for air to flow at sensing station and is detected again, but by
In the complicated of drive, speed air flow is slow, is arranged so that the response speed of sensor is bad.In addition, current
Testing agency mostly uses hook or handle to be fixed, and while adjusting inconvenient, installation is insecure so that measurement accuracy is difficult to
Ensure.
Invention content
The purpose of this utility model is to provide a kind of manufacturing cost is low, fast response time, while can easily be accommodated, jail is installed
Solid mine air monitoring sensor.
To achieve the above object, the technical solution adopted in the utility model is：
A kind of coalmine ventilation and gas density monitoring system, including monitoring device, the monitoring device include detent mechanism,
And the methane Concentration Measurement mechanism in detent mechanism and measuring wind speed mechanism, the methane Concentration Measurement mechanism are arranged
On the top of measuring wind speed mechanism；
The detent mechanism includes the fixed plate from top to bottom set gradually, the first positioning plate and the second positioning plate, described
The first bolt is fixedly installed in fixed plate bottom, and first bolt is connected with the first nut, institute after passing through the first positioning plate
It states the first positioning plate bottom and the second bolt is fixedly installed, second bolt is connected with the second spiral shell after passing through the second positioning plate
It is female；
The methane Concentration Measurement mechanism includes firedamp sensor and gas detecting chamber setting up and down, the gas management
Room is mounted on the first positioning plate, and the bottom of the gas detecting chamber offers air admission hole, side offers several ventholes, institute
It states the first positioning plate cooperation air admission hole and offers through-hole, bearing is installed in the through-hole；
The measuring wind speed mechanism includes the ventilation duct and rotary encoder being arranged in gas detecting chamber bottom, the rotation
Encoder is mounted on the second positioning plate, and the ventilation duct is mounted in bearing, and spiral is provided on the inner wall of the ventilation duct
The guide pin of shape, side are provided with blade, bottom is provided with fixed link, and the rotary shaft of the fixed link and rotary encoder connects
It connects.
Preferably, the jagged layer of setting, end offer location hole at the top of the fixed plate, and the location hole is symmetrically to set
Four set are equipped with third bolt on the location hole.
Preferably, first bolt, the second bolt are symmetrically arranged four.
Preferably, the bottom of the gas detecting chamber is provided with filter disc.
Preferably, the guide pin is arranged along the length direction of ventilation duct, and the guide pin is two.
Preferably, the blade is symmetrically arranged four.
Preferably, the fixed link is cross-bar.
The beneficial effects of the utility model embody a concentrated reflection of, and manufacturing cost is low, fast response time, while can easily be accommodated, pacify
Dress is secured.Specifically, first, in use, for the wind in tunnel to blade, blade drives ventilation duct to the utility model
Rotation, rotation axis connection of the bottom of the tube by fixed link and rotary encoder of divulging information so that rotary encoder can measure wind immediately
Speed, at the same time, wind can be entered gas detecting chamber, again by the venthole outflow on gas detecting chamber, gas by ventilation bottom of the tube
Sensor carries out the detection of gas density immediately so that wind speed can measure simultaneously with gas density, and manufacturing cost is low.In addition,
Be provided with spiral helicine guide pin on the inner wall of ventilation duct, wind can be made when flowing through the utility model, can quickly enter watt
This detection is indoor, so that firedamp sensor can quickly detect the gas density in tunnel in air, response speed
Soon, be conducive to production safety.Finally, the utility model is installed and is fixed by detent mechanism, when mounted, will be consolidated first
Fixed board is mounted on back, then fixed by the position of screw rod and the first positioning plate of nut adjustment, the second positioning plate, first
Position plate, the second positioning plate can adjust height by tunnel inclined degree, can easily be accommodated, while fixed plate and the first positioning plate, the
It is more secured that the setting of two positioning plates so that monitoring device is mounted so as to.
Description of the drawings
Fig. 1 is the external structure schematic diagram of the utility model；
Fig. 2 is the internal structure schematic diagram of the utility model；
Fig. 3 is the bottom view of rotating cylinder in the utility model.
Specific implementation mode
1 to 3 the utility model is expanded on further below in conjunction with the accompanying drawings.
A kind of coalmine ventilation and gas density monitoring system, as illustrated in fig. 1 and 2, including monitoring device, the monitoring device
Methane Concentration Measurement mechanism and measuring wind speed mechanism, the gas including detent mechanism, and in detent mechanism is dense
Degree testing agency is arranged on the top of measuring wind speed mechanism.
The detent mechanism includes the fixed plate 1 from top to bottom set gradually, the first positioning plate 2 and the second positioning plate 3, institute
It states 1 bottom of fixed plate and the first bolt 4 is fixedly installed, first bolt 4 is connected with the first spiral shell after passing through the first positioning plate 2
The second bolt 6 is fixedly installed in mother 5,2 bottom of the first positioning plate, and second bolt 6 coordinates company after passing through the second positioning plate 3
It is connected to the second nut 7.It should be noted that when in use, fixed plate 1 is directly installed on the top plate in tunnel, it is used for device
Entirety is fixed.
The methane Concentration Measurement mechanism includes firedamp sensor 8 and gas detecting chamber 9 setting up and down, the gas inspection
It surveys room 9 to be mounted on the first positioning plate 2, the bottom of the gas detecting chamber 9 offers air admission hole, side offers several outlets
Hole 10, first positioning plate 2 coordinate air admission hole to offer through-hole, bearing 11 are equipped in the through-hole.
The measuring wind speed mechanism includes the ventilation duct 12 and rotary encoder 13 being arranged in 9 bottom of gas detecting chamber, institute
Rotary encoder 13 is stated on the second positioning plate 3, the ventilation duct 12 is mounted in bearing 11, the ventilation duct 12 it is interior
Spiral helicine guide pin 14 is provided on wall, side is provided with blade 15, bottom is provided with fixed link 16, the fixed link 16 with
The rotation axis connection of rotary encoder 13.
Further, jagged layer 17 is arranged in 1 top of the fixed plate, end offers location hole, and the location hole is
Symmetrically arranged four, third bolt 18 is equipped on the location hole.It should be noted that the burr layer 17 with it is solid
Fixed board 1 is integrally cast, and burr layer 17 may make fixed plate 1 to be tightly adhered on the top plate in tunnel so that fixed plate 1 is installed
It obtains more secured.
Further, first bolt 4, the second bolt 6 are symmetrically arranged four.
Further, the bottom of the gas detecting chamber 9 is provided with filter disc 19.It should be noted that filter disc 19 can be nothing
Woven fabric filter cotton, synthetic fibers filter cotton, glass fiber filter cotton and activated carbon filter cotton etc. are mainly used for stopping in air
Dust particles greatly extend making for firedamp sensor 8 while avoiding 8 measurement accuracy of firedamp sensor from being affected
Use the service life.
Further, the guide pin 14 is arranged along the length direction of ventilation duct 12, and the guide pin 14 is two.
Further, the blade 15 is symmetrically arranged four.
Further, as shown in figure 3, the fixed link 16 is cross-bar.
The embodiment of the utility model is described below.The utility model in use, the wind in tunnel
To blade 15, blade 15 drives ventilation duct 12 to rotate, the rotation that 12 bottom of ventilation duct passes through fixed link 16 and rotary encoder 13
Axis connection so that rotary encoder 13 can measure wind speed immediately, and at the same time, wind can enter gas management by 12 bottom of ventilation duct
Room 9 is flowed out by the venthole 10 on gas detecting chamber 9 again, and firedamp sensor 8 carries out the detection of gas density immediately so that wind
Speed can measure simultaneously with gas density, and manufacturing cost is low.In addition, being provided with spiral helicine guide pin on the inner wall of ventilation duct 12
14, wind can be made when flowing through the utility model, can entered in gas detecting chamber 9 quickly, so that 8 energy of firedamp sensor
Enough gas densities quickly detected in tunnel in air, fast response time are conducive to production safety.Finally, this practicality is new
Type is installed and is fixed by detent mechanism, when mounted, fixed plate 1 is mounted on back first, is then passed through
The position of screw rod and nut adjustment the first positioning plate 2, the second positioning plate 3, the first positioning plate 2, the second positioning plate 3 can incline by tunnel
Oblique degree adjusts height, can easily be accommodated, while fixed plate 1 and the setting of the first positioning plate 2, the second positioning plate 3 to monitor
Device is mounted so as to more secured.
Although the foregoing describe specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
Under the premise of without departing substantially from the principles of the present invention and essence, many changes and modifications may be made,
But these change and modification each fall within the scope of protection of the utility model.
Claims (6)
1. a kind of coalmine ventilation and gas density monitoring system, including monitoring device, it is characterised in that：The monitoring device includes
Detent mechanism, and the methane Concentration Measurement mechanism in detent mechanism and measuring wind speed mechanism, the gas density inspection
Mechanism is surveyed to be arranged on the top of measuring wind speed mechanism；
The detent mechanism includes the fixed plate (1) from top to bottom set gradually, the first positioning plate (2) and the second positioning plate (3),
The first bolt (4) is fixedly installed in fixed plate (1) bottom, and first bolt (4) coordinates company afterwards across the first positioning plate (2)
It is connected to the first nut (5), the second bolt (6) is fixedly installed in the first positioning plate (2) bottom, and second bolt (6) passes through
The second nut (7) is connected with after second positioning plate (3)；
The methane Concentration Measurement mechanism includes firedamp sensor (8) and gas detecting chamber (9) setting up and down, the gas inspection
Survey room (9) be mounted on the first positioning plate (2) on, the gas detecting chamber (9) if bottom offer air admission hole, side offers
Stomata (10) is done, the first positioning plate (2) cooperation air admission hole offers through-hole, bearing (11) is equipped in the through-hole；
The measuring wind speed mechanism includes ventilation duct (12) and rotary encoder (13) of the setting in gas detecting chamber (9) bottom,
The rotary encoder (13) is mounted on the second positioning plate (3), and the ventilation duct (12) is mounted in bearing (11), described logical
Spiral helicine guide pin (14) is provided on the inner wall of air hose (12), side is provided with blade (15), bottom is provided with fixed link
(16), the rotation axis connection of the fixed link (16) and rotary encoder (13).
2. a kind of coalmine ventilation according to claim 1 and gas density monitoring system, it is characterised in that：The fixed plate
(1) jagged layer (17) is arranged in top, end offers location hole, and the location hole is symmetrically arranged four, the positioning
Third bolt (18) is equipped on hole.
3. a kind of coalmine ventilation according to claim 2 and gas density monitoring system, it is characterised in that：First spiral shell
Bolt (4), the second bolt (6) are symmetrically arranged four.
4. a kind of coalmine ventilation according to claim 3 and gas density monitoring system, it is characterised in that：The gas inspection
The bottom for surveying room (9) is provided with filter disc (19).
5. a kind of coalmine ventilation according to claim 4 and gas density monitoring system, it is characterised in that：The blade
(15) it is symmetrically arranged four.
6. a kind of coalmine ventilation according to claim 5 and gas density monitoring system, it is characterised in that：The fixed link
(16) it is cross-bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820354613.9U CN208089334U (en) | 2018-03-15 | 2018-03-15 | A kind of coalmine ventilation and gas density monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820354613.9U CN208089334U (en) | 2018-03-15 | 2018-03-15 | A kind of coalmine ventilation and gas density monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208089334U true CN208089334U (en) | 2018-11-13 |
Family
ID=64058967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820354613.9U Expired - Fee Related CN208089334U (en) | 2018-03-15 | 2018-03-15 | A kind of coalmine ventilation and gas density monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208089334U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681254A (en) * | 2018-12-11 | 2019-04-26 | 贵州大学 | A kind of progressive coalmine ventilation device with alarm function |
| CN110593942A (en) * | 2019-10-28 | 2019-12-20 | 中国矿业大学 | Device and method for accurately and quantitatively controlling gas extraction concentration |
-
2018
- 2018-03-15 CN CN201820354613.9U patent/CN208089334U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681254A (en) * | 2018-12-11 | 2019-04-26 | 贵州大学 | A kind of progressive coalmine ventilation device with alarm function |
| CN110593942A (en) * | 2019-10-28 | 2019-12-20 | 中国矿业大学 | Device and method for accurately and quantitatively controlling gas extraction concentration |
| CN110593942B (en) * | 2019-10-28 | 2021-02-05 | 中国矿业大学 | Device and method for accurately and quantitatively controlling gas extraction concentration |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20181113 Termination date: 20190315 |