CN209369855U - A kind of ventilation device for preventing coal mine gas from transfiniting - Google Patents
A kind of ventilation device for preventing coal mine gas from transfiniting Download PDFInfo
- Publication number
- CN209369855U CN209369855U CN201920048697.8U CN201920048697U CN209369855U CN 209369855 U CN209369855 U CN 209369855U CN 201920048697 U CN201920048697 U CN 201920048697U CN 209369855 U CN209369855 U CN 209369855U
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- China
- Prior art keywords
- chip microcontroller
- timing module
- coal mine
- monitoring
- ventilation device
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Abstract
The utility model provides a kind of ventilation device for preventing coal mine gas from transfiniting, including booster, timing module and timing module；One piece of monitoring shell, and the timing module and the timing module that the monitoring enclosure interior is provided with the single-chip microcontroller and connect with the single-chip microcontroller moderate electrical are provided on the outer wall of booster front end top side.When use, the gas density real-time data transmission that methane transducer is monitored is to single-chip microcontroller, single-chip microcontroller then shows the gas density data of receiving on LED display, staff can pass through the numerical value of gas density shown on observation LED display, with the current gas density of real-time awareness, and if the numerical value of gas density shown on LED display is constant always, when not fluctuating up and down, staff can judge that methane transducer breaks down according to this, need promptly to replace.
Description
Technical field
The utility model belongs to coal mine technical field of construction, and more specifically, in particular to one kind prevents coal mine gas super
The ventilation device of limit.
Background technique
Gas is gas of the preservation in subterranean coal gas, and main component is micro- in coal seam with fluid film state preservation
The flammable hydrocarbon gas of pore surface, the main component of the hydrocarbon gas are methane.Gas be both natural gas clean energy resource and
It is the reason of causing coal mine gas prominent and explosion.Many coal mines are gaseous mine or highly gassy mine, gas preventing and control task weight.
Based on above-mentioned, the inventors discovered that, when coal mine gas carries out emissions operation by ventilation device, in booster
Methane transducer is arranged in front, by methane transducer, with real-time monitoring gas density, but since working environment is complicated, moist,
The factors such as the big, electromagnetic interference of mine dust easily cause methane transducer itself to break down (internal electronic component issues damage),
There are security risks, such as when failure, and the gas density numerical value monitored is constant always, do not fluctuate up and down, if caused
Gas density is once more than limit value, but methane transducer can not detect, detection is in normal gas density numerical value
Under, audible and visible alarm will not be issued；For example, if the buzzer of methane transducer itself is damaged, when methane transducer is examined
Surveying gas density is more than limit value, can not make a sound alarm, can not remind staff.
Then, in view of this, being studied improvement for existing structure and missing, providing one kind prevents coal mine gas super
The ventilation device of limit, to achieve the purpose that with more more practical value.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of ventilation device for preventing coal mine gas from transfiniting, with
When solving existing drawing-off gas, by methane transducer, with real-time monitoring gas density, but since working environment is complicated, moist,
The factors such as the big, electromagnetic interference of mine dust easily cause methane transducer itself to break down (internal electronic component issues damage),
There are problems that security risk.
The purpose and effect for the ventilation device that the utility model prevents coal mine gas from transfiniting, by the institute of technological means in detail below
Reach:
A kind of ventilation device for preventing coal mine gas from transfiniting, including booster, monitoring shell, rectangle housing groove,
Translucent cover, power supply line, LED display, switch key, methane transducer, conducting wire, metal stereotypes hoses, active buzzer, LED
Lamp bead, sound transducer, single-chip microcontroller, timing module and timing module；It is provided on the outer wall of booster front end top side
One piece of monitoring shell, and the monitoring enclosure interior is provided with the single-chip microcontroller and connect with the single-chip microcontroller moderate electrical
The timing module and the timing module；Position is embedded on the downside of the monitoring housing tip face is equipped with one and the list
The LED display of piece machine moderate electrical connection, and adjacent LED display left upper end position it is embedded be equipped with one with
The switch key of the single-chip microcontroller moderate electrical connection；The monitoring housing tip face centre offers described at one
Rectangle housing groove, and the rectangle housing groove is internally provided with one by the conducting wire and the single-chip microcontroller moderate electrical
The methane transducer of connection；Side position embeds respectively in the adjacent rectangle housing groove in the monitoring housing tip face
The active buzzer connecting with the single-chip microcontroller moderate electrical, the LED lamp bead and the sound transducer are installed；Institute
It states side position in the adjacent rectangle housing groove in monitoring housing tip face and is fixedly connected with the translucent cover, and is described
Translucent cover snaps together the active buzzer, the LED lamp bead and the sound transducer；It is set on the monitoring shell
One is equipped with for connecting the power supply line of power supply.
Further, timing module interval timing parameter value is 30min.
Further, the timing module timing parameter value is 5s.
Further, be socketed on the naked conducting wire being exposed on the external of the methane transducer one it is consistent with its length
The metal stereotypes hoses, and one end of the metal stereotypes hoses is fixedly connected on the rectangle housing groove inner face,
Its other end is fixedly connected on the methane transducer.
Further, the metal stereotypes hoses total length is three meters, and is under the metal stereotypes hoses normal state
It is accommodated under continuous bend state in the rectangle housing groove.
Compared with prior art, the utility model has the following beneficial effects:
In use, the gas density real-time data transmission that methane transducer is monitored is to single-chip microcontroller, single-chip microcontroller will then receive
Gas density data show that staff can pass through gas density shown on observation LED display on LED display
Numerical value, with the current gas density of real-time awareness, and if the numerical value of gas density shown on LED display always not
Become, when not fluctuating up and down, staff can judge that methane transducer breaks down according to this, need promptly to replace.
When methane transducer concentration is above or below set limit value, its own is sounded an alarm, by single-chip microcontroller
Signal is issued, single-chip microcontroller control active buzzer and LED lamp bead start that (sound that at this moment active buzzer is issued will simultaneously
In high-decibel state), it is sounded an alarm together with methane transducer, to prevent because of buzzer failure inside methane transducer, and
Lead to not play and there should be the occurrence of alarm function.
When in use, when reaching timing parameter value set by timing module at interval of 30min, timing module is to single-chip microcontroller
Signal is transmitted, after single-chip microcontroller receives signal, control active buzzer, sound transducer and timing module start together, work as sound
After sound sensor receives the sound wave that active buzzer is issued, signal is transmitted to single-chip microcontroller, single-chip microcontroller controls active buzzing
Device, sound transducer and timing module are closed together, but work as 5s timing parameter value of the sound transducer set by timing module
When not receiving the sound wave that active buzzer is issued inside, after timing module reaches the 5s timing parameter value set by it, timing
Module transmits signal to single-chip microcontroller, and single-chip microcontroller control LED lamp bead lights, to remind staff's active buzzer to break down,
Need urgent repair and replacement.
Detailed description of the invention
Fig. 1 is the booster side structure schematic view of the utility model.
Fig. 2 is the booster overlooking structure diagram of the utility model.
Fig. 3 is A-A broken section structural schematic diagram in Fig. 1 of the utility model.
Fig. 4 is B-B broken section structural schematic diagram in Fig. 3 of the utility model.
Fig. 5 is the system block diagram of the utility model.
In figure, the corresponding relationship of component names and accompanying drawing number are as follows:
1- booster, 2- monitoring shell, 201- rectangle housing groove, 3- translucent cover, 4- power supply line, 5-LED are shown
Screen, 6- switch key, 7- methane transducer, 701- conducting wire, 8- metal stereotypes hoses, 9- active buzzer, 10-LED lamp bead,
11- sound transducer, 12- single-chip microcontroller, 13- timing module, 14- timing module.
Specific embodiment
The embodiments of the present invention is described in further detail with reference to the accompanying drawings and examples.Following embodiment
For illustrating the utility model, but cannot be used to limit the scope of the utility model.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more；Term
The orientation of the instructions such as "upper", "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " or position are closed
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is construed as a limitation of the present invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and cannot
It is interpreted as indication or suggestion relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Embodiment:
As shown in attached drawing 1 to attached drawing 5:
The utility model provides a kind of ventilation device for preventing coal mine gas from transfiniting, including booster 1, monitoring shell
2, rectangle housing groove 201, translucent cover 3, power supply line 4, LED display 5, switch key 6, methane transducer 7, conducting wire 701, gold
Belong to stereotypes hoses 8, active buzzer 9, LED lamp bead 10, sound transducer 11, single-chip microcontroller 12, timing module 13 and timing module
14；It is provided with one piece of monitoring shell 2 on the 1 front end top side outer wall of booster, and is set inside the monitoring shell 2
The timing module 13 and the timing module 14 for being equipped with the single-chip microcontroller 12 and being connect with 12 moderate electrical of single-chip microcontroller；
Position is embedded on the downside of monitoring 2 top end face of shell is equipped with the LED connecting with 12 moderate electrical of single-chip microcontroller
Display screen 5, and 5 left upper end position of the adjacent LED display embeds and is equipped with one and 12 moderate electrical of single-chip microcontroller company
The switch key 6 connect；The 2 top end face centre of monitoring shell offers the rectangle housing groove 201 at one, and
The rectangle housing groove 201 is internally provided with one and passes through what the conducting wire 701 was connect with 12 moderate electrical of single-chip microcontroller
The methane transducer 7；Side position embeds respectively in the adjacent rectangle housing groove 201 of 2 top end face of monitoring shell
The active buzzer 9, the LED lamp bead 10 and the sound sensor connecting with 12 moderate electrical of single-chip microcontroller are installed
Device 11；In the adjacent rectangle housing groove 201 of 2 top end face of monitoring shell side position be fixedly connected with one it is described
Bright cover 3, and the active buzzer 9, the LED lamp bead 10 and the sound transducer 11 are fastened on one by the translucent cover 3
It rises；One is provided with for connecting the power supply line 4 of power supply on the monitoring shell 2；11 model of sound transducer uses
H23222；7 model of methane transducer uses GJC4.
Wherein, it is 30min that the timing module 13, which is spaced timing parameter value, after being powered on by the power supply line 4,
The timing module 13 starts, described fixed when reaching timing parameter value set by the timing module 13 at interval of 30min
When module 13 to the single-chip microcontroller 12 transmit signal.
Wherein, the 14 timing parameter value of timing module is 5s, when the sound transducer 11 is in the timing module 14
When not receiving the sound wave that the active buzzer 9 is issued in set 5s timing parameter value, the timing module 14 is arrived
Up to after the 5s timing parameter value set by it, the timing module 14 transmits signal, the single-chip microcontroller 12 to the single-chip microcontroller 12
It controls the LED lamp bead 10 to light, to remind active buzzer 9 described in staff to break down, needs urgent repair and replacement.
Wherein, be socketed on the naked conducting wire 701 being exposed on the external of the methane transducer 7 one it is consistent with its length
The metal stereotypes hoses 8, and one end of the metal stereotypes hoses 8 is fixedly connected in the rectangle housing groove 201
End face, the other end are fixedly connected on the methane transducer 7, by the characteristic of the metal stereotypes hoses 8, can prevent institute
Methane transducer 7 is stated voluntarily to fall out of described rectangle housing groove 201.
Wherein, 8 total length of metal stereotypes hoses is three meters, and in company under 8 normal state of metal stereotypes hoses
It is accommodated in the rectangle housing groove 201 under continuous bending state, guarantee has enough length, and the methane transducer 7 is put
It sets at the 1 front 2-3m of booster.
The specifically used mode and effect of the present embodiment:
Coal mine takes out before carrying out drawing-off gas work, by methane transducer 7 from rectangle housing groove 201, determines metal
Type hose 8 trails, and methane transducer 7 is placed at 1 front 2-3m of booster；In use, being connected by power supply line 4
Power supply, the gas density real-time data transmission that methane transducer 7 is monitored is to single-chip microcontroller 12, and single-chip microcontroller 12 is then by the gas of receiving
Concentration data shows that staff can pass through the number of gas density shown on observation LED display 5 on LED display 5
Value does not have with the current gas density of real-time awareness, and if the numerical value of gas density shown on LED display 5 is constant always
When having fluctuation up and down, staff can judge that methane transducer 7 breaks down according to this, need promptly to replace；
After being powered on by power supply line 4, timing module 13 starts, when at interval of 30min arrival 13 institute of timing module
When the timing parameter value of setting, timing module 13 transmits signal to single-chip microcontroller 12, while timing module 13 is periodically reset, single-chip microcontroller
After 12 receive signal, control active buzzer 9, sound transducer 11 and timing module 14 start together, and single-chip microcontroller 12 is logical
Overregulate pwm signal duty ratio control 9 sound of active buzzer be reduced to 20-40db, when sound transducer 11 receive it is active
After the sound wave that buzzer 9 is issued, signal is transmitted to single-chip microcontroller 12, single-chip microcontroller 12 controls active buzzer 9, sound transducer
11 and timing module 14 close together, but do not connect in the 5s timing parameter value set by timing module 14 when sound transducer 11
When receiving the sound wave that active buzzer 9 is issued, after timing module 14 reaches the 5s timing parameter value set by it, timing module
14 transmit signal to single-chip microcontroller 12, and single-chip microcontroller 12 controls LED lamp bead 10 and lights, to remind staff's active buzzer 9 to occur
Failure needs urgent repair and replacement；
Further, active buzzer 9 and sound transducer 11 are detained inside it by translucent cover 3, therefore work as active buzzing
After device 9 makes a sound, guarantee that 11 first time of sound transducer will receive the sound wave that active buzzer 9 is issued, and have
Its sound is reduced to 20-40db by adjusting the control of pwm signal duty ratio via single-chip microcontroller 12 by source buzzer 9, can prevent work
Generation false alarm is heard as personnel；
When 7 concentration of methane transducer is above or below set limit value, its own is sounded an alarm, by single-chip microcontroller
12 issue signals, and single-chip microcontroller 12 controls active buzzer 9 and LED lamp bead 10 and starts that (at this moment active buzzer 9 is issued simultaneously
Sound will be in high-decibel state), it is sounded an alarm together with methane transducer 7, to prevent because of 7 inside buzzing of methane transducer
Device failure, and the occurrence of alarm function should be had by leading to not play.
The embodiments of the present invention are given for the purpose of illustration and description, and are not exhaustively or to incite somebody to action
The utility model is limited to disclosed form.Many modifications and variations are aobvious and easy for the ordinary skill in the art
See.Embodiment was chosen and described in order to better illustrate the principle and practical application of the utility model, and makes this field
Those of ordinary skill it will be appreciated that the utility model to designing various embodiments suitable for specific applications with various modifications.
Claims (5)
1. a kind of ventilation device for preventing coal mine gas from transfiniting, it is characterised in that: this prevents the ventilation device that coal mine gas transfinites
It is passed including booster, monitoring shell, rectangle housing groove, translucent cover, power supply line, LED display, switch key, methane
Sensor, conducting wire, metal stereotypes hoses, active buzzer, LED lamp bead, sound transducer, single-chip microcontroller, timing module and timing mould
Block；One piece of monitoring shell is provided on the outer wall of booster front end top side, and the monitoring enclosure interior is arranged
The timing module and the timing module for having the single-chip microcontroller and being connect with the single-chip microcontroller moderate electrical；The monitoring shell
Position is embedded on the downside of body top end face is equipped with the LED display connecting with the single-chip microcontroller moderate electrical, and adjacent
LED display left upper end position is embedded to be equipped with the switch key connecting with the single-chip microcontroller moderate electrical；
The monitoring housing tip face centre offers the rectangle housing groove at one, and sets inside the rectangle housing groove
It is equipped with the methane transducer connecting by the conducting wire with the single-chip microcontroller moderate electrical；The monitoring housing tip
Described in side position embeds respectively and is equipped with and connect with the single-chip microcontroller moderate electrical in the adjacent rectangle housing groove in face
Active buzzer, the LED lamp bead and the sound transducer；The adjacent rectangle housing groove in the monitoring housing tip face
Upper side position is fixedly connected with the translucent cover, and the translucent cover by the active buzzer, the LED lamp bead and
The sound transducer snaps together；One is provided on the monitoring shell for connecting the power supply line of power supply.
2. preventing the ventilation device that coal mine gas transfinites as described in claim 1, it is characterised in that: the timing module interval is fixed
When parameter value be 30min.
3. preventing the ventilation device that coal mine gas transfinites as described in claim 1, it is characterised in that: the timing module timing ginseng
Numerical value is 5s.
4. preventing the ventilation device that coal mine gas transfinites as described in claim 1, it is characterised in that: the methane transducer is exposed
The metal stereotypes hoses consistent with its length are socketed on the external conducting wire, and metal sizing is soft
One end of pipe is fixedly connected on the rectangle housing groove inner face, and the other end is fixedly connected on the methane transducer.
5. preventing the ventilation device that coal mine gas transfinites as described in claim 1, it is characterised in that: the metal stereotypes hoses are total
Length is three meters, and is in be accommodated in the rectangle housing groove under continuous bend state under the metal stereotypes hoses normal state
It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920048697.8U CN209369855U (en) | 2019-01-12 | 2019-01-12 | A kind of ventilation device for preventing coal mine gas from transfiniting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920048697.8U CN209369855U (en) | 2019-01-12 | 2019-01-12 | A kind of ventilation device for preventing coal mine gas from transfiniting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209369855U true CN209369855U (en) | 2019-09-10 |
Family
ID=67825408
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920048697.8U Expired - Fee Related CN209369855U (en) | 2019-01-12 | 2019-01-12 | A kind of ventilation device for preventing coal mine gas from transfiniting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209369855U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821543A (en) * | 2019-11-18 | 2020-02-21 | 侯琛 | Explosion-proof ventilation unit for underground works |
-
2019
- 2019-01-12 CN CN201920048697.8U patent/CN209369855U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821543A (en) * | 2019-11-18 | 2020-02-21 | 侯琛 | Explosion-proof ventilation unit for underground works |
| CN110821543B (en) * | 2019-11-18 | 2021-04-27 | 江苏坚威防护工程科技有限公司 | Explosion-proof ventilation unit for underground works |
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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 |
Granted publication date: 20190910 Termination date: 20200112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |