CN203962030U - Air treating system under a kind of coal mine - Google Patents
Air treating system under a kind of coal mine Download PDFInfo
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- CN203962030U CN203962030U CN201320851262.XU CN201320851262U CN203962030U CN 203962030 U CN203962030 U CN 203962030U CN 201320851262 U CN201320851262 U CN 201320851262U CN 203962030 U CN203962030 U CN 203962030U
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Abstract
The utility model provides air treating system under a kind of coal mine, comprising: gas detection apparatus, for the toxic and harmful concentration of detecting air, and export toxic and harmful concentration information; Monitor terminal, is connected with described gas detection apparatus, for generating control signal according to the described toxic and harmful concentration information of described air sniffer output; Air cleaning unit, is connected with described monitor terminal, carries out or stops air purification moving for the described control signal generating according to described monitor terminal.The system that the utility model is carried is made response automatically according to the actual air mass of operation field, administers the toxic and harmful that down-hole is gathered.
Description
Technical field
The utility model relates to safety of coal mines technology, relates in particular to air treating system under a kind of coal mine.
Background technology
In coal mining mine, along with the seam mining degree of depth constantly increases, coal seam toxic and harmful content increases, exploitation work constantly increases toxic and harmful outburst amount, in the U-shaped passage of work plane, due to the leeway and drift effect of air intake lane, return airway, make the distinguished and admirable two parts that are divided into of work plane, a part directly flows through from work plane, another part is from inflow goaf, work plane middle and lower part, return work plane top and upper corner through goaf, must cause like this gathering of face upper corner angle toxic and harmful.
Existing mine air governance approach, normally in the position of easily gathering toxic and harmful, poisonous harmful gas sensor is set, toxic and harmful sensor can send warning when its position toxic and harmful content overproof detected, to remind operating personnel to do corresponding processing, the method of prior art need to rely on manual operation, cannot automatically make response according to the actual conditions of operation field, if certain place toxic and harmful concentration over-standard and near while thering is no operating personnel, toxic and harmful can not be processed in time, will become potential safety hazard.
Utility model content
The utility model provides air treating system under a kind of coal mine, automatically makes response according to the actual air mass of operation field, administers the toxic and harmful that down-hole is gathered.
Air treating system under a kind of coal mine, comprising:
Gas detection apparatus, for the toxic and harmful concentration of detecting air, and exports toxic and harmful concentration information;
Monitor terminal, is connected with described gas detection apparatus, for generating control signal according to the described toxic and harmful concentration information of described gas detection apparatus output;
Air cleaning unit, is connected with described monitor terminal, carries out or stops air purification moving for the described control signal generating according to described monitor terminal.
The utility model provides air treating system under a kind of coal mine, by the toxic and harmful concentration in gas detection apparatus detecting air, and export toxic and harmful concentration information, and generate control signal by monitor terminal according to the described toxic and harmful concentration information of described gas detection apparatus output, to control air cleaning unit execution or to stop air purification action, realize and automatically make response according to the actual air mass of operation field, administer the toxic and harmful that down-hole is gathered.
Brief description of the drawings
By reading the detailed description that non-limiting example is done of doing with reference to the following drawings, it is more obvious that other features, objects and advantages of the present utility model will become:
Fig. 1 is air treating system architecture schematic diagram under a kind of coal mine of providing of the present embodiment;
Fig. 2 is the practical application schematic diagram of air treating system under the another kind of coal mine that provides of the present embodiment.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the utility model, but not to restriction of the present utility model.It also should be noted that, for convenience of description, in accompanying drawing, only show the part relevant to the utility model but not full content.
Fig. 1 is air treating system architecture schematic diagram under a kind of coal mine of providing of the present embodiment.
As shown in Figure 1, air treating system under a kind of coal mine that the present embodiment provides, comprising: gas detection apparatus 11, monitor terminal 12 and air cleaning unit 13.
Wherein, gas detection apparatus 11 is for the toxic and harmful concentration of detecting air, and exports toxic and harmful concentration information.
In gas detection apparatus 11, can comprise carrier catalyst element, amplifying circuit and process chip, carrier catalyst element according to extraneous air situation produce one to the proportional small-signal of content of methane, after amplifying, multistage amplifier circuit produces a signal, this analog signal is converted to data signal by process chip, then process chip is processed this signal, and realizes the functions such as demonstration and output.
Carrier catalyst element in gas detection apparatus 11 is a kind of infrared gas sensor, this sensor utilizes NDIR (Non-Dispersive Infrared) principle to survey the pernicious gas existing in air, gas detection apparatus 11 sends the light of infrared band, the energy of light is absorbed by ambient atmos, the total energy being absorbed becomes corresponding relation with the concentration of ambient atmos, the signal of telecommunication that sniffer obtains becomes corresponding relation with the light energy of being fallen by GAS ABSORPTION, measures the concentration of gas by the variation of light intensity.
In addition, in gas detection apparatus 11, also can comprise communication unit, realize and the communication function of other devices by communication unit, the port that communication unit can be corresponding with the process chip in sniffer is connected, and toxic and harmful concentration information is sent to other devices.
Monitor terminal 12 is connected with described gas detection apparatus 11, generates control signal for the described toxic and harmful concentration information of exporting according to described gas detection apparatus 11.
Monitor terminal 12 can be a computer or server, in monitor terminal 12, can set up a toxic and harmful concentration mapping table, for setting up the corresponding relation of operating location, position and toxic and harmful concentration, and set up the corresponding relation of toxic and harmful concentration and control signal, for example, send different control signals according to the toxic and harmful concentration of different value.
Air cleaning unit 13 is connected with described monitor terminal 12, carries out or stops air purification moving for the described control signal generating according to described monitor terminal 12.
Air cleaning unit 13 can be a kind of mechanical ventilator, realizes the device of the purification to air by frame for movement, such as blower fan, ventilation fan etc.
Air cleaning unit 13 also should comprise communication module, and the control signal of sending for receiving monitor terminal 12 is carried out corresponding operation intensity under the control of the control signal of sending at monitor terminal 12.Because the working area under mine is larger, the quantity of air cleaning unit 13 is more, if the consumption that the state of all air cleaning units 13 in often opening will strengthen the energy, increase the cost of operation, the present embodiment is by controlling the execution of air cleaning unit 13 or stopping, keeping air quality, ensureing, under the prerequisite of operating environment safety, to have saved the energy, reduced running cost.Further, by controlling the operation intensity of air cleaning unit, make energy consumption more reasonable, also further saved the energy, reduced cost.
Exemplary, described gas detection apparatus 11 also can be used for reporting to the police in the time that the toxic and harmful concentration value detecting is greater than early warning value.
Gas detection apparatus 11 itself is also with alarm unit, alarm unit can be connected with port corresponding in process chip in gas detection apparatus 11, in the time that toxic and harmful concentration value is greater than early warning value, process chip is sent warning enabling signal, alarm unit sends sound and light alarm, takes measures with near the operating personnel warning.
Exemplary, described monitor terminal 12 specifically for:
When the toxic and harmful concentration value providing when described toxic and harmful concentration information is 0, generate the control signal for closing described air cleaning unit 13;
When the toxic and harmful concentration value providing when described toxic and harmful concentration information is greater than 0, generate the control signal for opening described air cleaning unit 13.
Toxic and harmful concentration value is containing toxic and harmful in the air of 0 explanation gas detection apparatus 11 regions, now can close the air cleaning unit 13 in this region with energy conservation, so monitor terminal 12 generates and send the control signal of closing described air cleaning unit 13.
Toxic and harmful concentration value is greater than in the air of 0 explanation gas detection apparatus 11 regions and contains toxic and harmful, now need the air cleaning unit 13 of opening this region to ensure the safety in this region, so monitor terminal 12 generates and send the control signal of opening described air cleaning unit 13.
Monitor terminal can be opened completely by control signal control air cleaning unit 13, also can be opened in various degree by control signal control air cleaning unit 13.
Exemplary, described monitor terminal 12 specifically for:
When the toxic and harmful concentration value providing when described toxic and harmful concentration information is more than or equal to default threshold value, generate for the control signal that is 100% by the valve opening degree control of described air cleaning unit 13, described threshold value is greater than 0;
The toxic and harmful concentration value providing when described toxic and harmful concentration information is greater than 0 and while being less than described threshold value, generates the control signal for by the valve opening degree control of described air cleaning unit 13 being the open degree corresponding with described toxic and harmful concentration value.
Toxic and harmful refers to poisonous and insalubrious gas, in mine, common are malicious pernicious gas comprises: gas, nitrogen, methane, ethane, ethene, carbon monoxide etc., wherein gas belongs to a kind of fuel gas, in the time that its concentration is greater than a certain threshold, because external influence may be blasted.Taking gas as example, the concentration range that can set off an explosion after gas chance fire in air is called gas explosion limits, and gas explosion limits concentration is 5%-16%.
Therefore, above-mentioned threshold value can be the dangerous concentrations value of gas bearing capacity, as 5%.In the time that gas bearing capacity in outside air is 5%, monitor terminal 12 generates and sends unlatching control signal, controls air cleaning unit 13100% and opens, and 100% opens and represents that air cleaning unit 13 operates at full capacity, and ventilation volume or purification dynamics are maximized.Gas density is greater than 0 and be less than 5%, this state represents to contain gas in air but its concentration can not set off an explosion, so air cleaning unit 13 can not carry out fully loaded work, for example monitor terminal 12 can be set up the corresponding table of a concentration value and control signal, the running status of air cleaning unit 13 is divided into 5 grades: in the time that gas density is 0%-1%, control signal is to control air cleaning unit 13 with 20% load operation; In the time that gas density is 1%-2%, control signal is to control air cleaning unit 13 with load operation of 40% etc.
Exemplary, described gas detection apparatus 11 and described monitor terminal 12 wireless connections.
Because the operation area under mine is with a varied topography, gas detection apparatus 11 can employing wireless communication means and monitor terminal 12 transmission of informations, to reduce installation cost, and make the structure of system more succinct.In this case, gas detection apparatus 11 can have wireless communication module, and for example wireless local area network communications module is connected with monitor terminal 12 by equipment such as wireless routers.
Exemplary, air cleaning unit 13 specifically comprises described in the present embodiment: at least one device in air curtain spray equipment and local ventilation installation.
Described air curtain spray equipment is connected with described monitor terminal 12, carries out or stops spraying clean air for the described control signal generating according to described monitor terminal 12.
Wherein, a function of air curtain spray equipment is that compressed air is formed to fine and close gas curtain by air curtain tube, and the fine and close gas curtain of formation can stop entering of outside air, and can clear away the poisonous and harmful substance that the personnel that enter of the external world carry with it.Another function of air curtain spray equipment is by injecting the fresh compressed air of atm number, by pernicious gas dilution and be discharged into by relief valve outdoor, to reach the object that reduces harmful gas concentration and purify air.The present embodiment is realized the control to air curtain spray equipment by monitor terminal 12, regulates the by-pass valve control of air curtain spray equipment to control its duty.
Described local ventilation device is connected with described monitor terminal 12, for the described control signal generating according to described monitor terminal 12, carries out or stops taking a breath.
Wherein, local ventilation device refers to the device that deflates in part and inject high-quality air, and the present embodiment is controlled the motor of local ventilation installation or valve to control the state of its work by monitor terminal 12.
Fig. 2 is the practical application schematic diagram of air treating system under the another kind of coal mine that provides of the present embodiment.The present embodiment is similar to the above embodiments, and difference is: the gas detection apparatus in the present embodiment has multiple, and is connected with monitor terminal by data screening device.
In the operation field in colliery; along with the toxic and harmful that carries out of exploitation is also constantly producing; toxic and harmful in general area can be by the discharge of flowing voluntarily of natural wind ventilation system; but the upper corner of the U-shaped passage 23 of coal-face often there will be toxic and harmful accumulation phenomena; so need to survey the toxic and harmful of the diverse location of upper corner; and according to the air that detects toxic and harmful concentration information purification upper corner, to solve the toxic and harmful accumulation problems in this region.
As shown in Figure 2, under the coal mine that this enforcement provides, air treating system comprises: multiple above-mentioned gas sniffers 11, above-mentioned monitor terminal 21 and above-mentioned air cleaning unit 13.
Wherein, multiple above-mentioned gas sniffers 11, are positioned at the diverse location of the same area, for surveying the toxic and harmful concentration information of the diverse location in described region.
The present embodiment uses multiple gas detection apparatus 11, and object is from multiple directions, gathers multiple data in multiple positions, to improve the precision of toxic and harmful concentration data.For example, at the upper corner place of U-shaped passage 23, use three gas detection apparatus 11, the detecting head of gas detection apparatus 11 different direction in space three-dimensional direction.
The system that the present embodiment provides also comprises: data screening terminal 22.
Described monitor terminal 21 is connected with multiple described gas detection apparatus 11 by described data screening terminal 22;
Described data screening terminal 22 is for the toxic and harmful concentration information of multiple positions of receiving multiple described gas detection apparatus 11 and exporting, and remove the redundancy in the toxic and harmful concentration information of described multiple positions, obtain calibrating toxic and harmful concentration information.
Described monitor terminal 21 is the described calibration toxic and harmful concentration information for obtaining according to described data screening terminal 22 also, obtain the average toxic and harmful concentration information in described region, and generate described control signal according to described average toxic and harmful concentration information.It is identical with the principle that monitor terminal in above-described embodiment 12 generates control signal according to toxic and harmful concentration information that monitor terminal 21 generates described control signal according to described average toxic and harmful concentration information, only toxic and harmful concentration information need be replaced with to average toxic and harmful concentration information.
The toxic and harmful concentration information that multiple gas detection apparatus 11 detect may be one group of data that relatively approach, also may there is the wherein larger situation of some or multiple data and other data differences, its probe is detected just around not containing toxic and harmful in the position of for example certain sniffer, so it is 0 that its result of detection shows poisonous harmful gas concentration, but near all showing, the position at other sniffer place have toxic and harmful to exist, if monitor terminal 21 calculates average information according to unscreened all data, may cause the finally control to air cleaning unit 13 of very large error effect.
So the present embodiment provides a data screening terminal 22 to carry out preliminary screening operation to multiple toxic and harmful concentration datas, can be to remove the data that differ greatly, also can remove redundant data, then the concentration data after screening is sent to monitor terminal 21, monitor terminal 21 calculates the average through garbled data, generates and send described control letter according to average.
Exemplary, gas detection apparatus 11 is by described data screening terminal 22 and described monitor terminal 21 wireless connections described in the present embodiment.
Gas detection apparatus is by wireless communication unit and data screening terminal communication, data screening terminal is connected with monitor terminal, the present embodiment gathers the toxic and harmful content in a certain region by multiple gas detection apparatus, and by data screening terminal, redundancy and control information are screened, monitor terminal can be processed accordingly according to the actual air situation control air cleaning unit in this region, thereby administered the toxic and harmful that mining face under mine upper corner place gathers.
Above are only preferred embodiment of the present utility model and institute's application technology principle.The utility model is not limited to specific embodiment described here, can carry out for a person skilled in the art various obvious variations, readjusts and substitute and can not depart from protection domain of the present utility model.Therefore, although the utility model is described in further detail by above embodiment, but the utility model is not limited only to above embodiment, in the situation that not departing from the utility model design, can also comprise more other equivalent embodiment, and scope of the present utility model is determined by appended claim scope.
Claims (7)
1. an air treating system under coal mine, is characterized in that, comprising:
Gas detection apparatus, for the toxic and harmful concentration of detecting air, and exports toxic and harmful concentration information;
Gas detection apparatus comprises carrier catalyst element, amplifying circuit and process chip, carrier catalyst element according to extraneous air situation produce one to the proportional small-signal of content of methane, after amplifying, multistage amplifier circuit produces a signal, this analog signal is converted to data signal by process chip, then process chip is processed this signal, and realizes the functions such as demonstration and output;
Carrier catalyst element is infrared gas sensor;
Monitor terminal, is connected with described gas detection apparatus, for generating control signal according to the described toxic and harmful concentration information of described gas detection apparatus output;
Air cleaning unit, is connected with described monitor terminal, carries out or stops air purification moving for the described control signal generating according to described monitor terminal;
Described air cleaning unit specifically comprises: at least one device in air curtain spray equipment and local ventilation installation;
Described air curtain spray equipment is connected with described monitor terminal, carries out or stops spraying clean air for the described control signal generating according to described monitor terminal;
Described local ventilation device is connected with described monitor terminal, for the described control signal generating according to described monitor terminal, carries out or stops taking a breath;
A function of air curtain spray equipment is that compressed air is formed to fine and close gas curtain by air curtain tube, and the fine and close gas curtain of formation can stop entering of outside air, and can clear away the poisonous and harmful substance that the personnel that enter of the external world carry with it; Another function of air curtain spray equipment is by injecting the fresh compressed air of atm number, by pernicious gas dilution and be discharged into by relief valve outdoor, to reach the object that reduces harmful gas concentration and purify air.
2. system according to claim 1, is characterized in that, described monitor terminal specifically for:
When the toxic and harmful concentration value providing when described toxic and harmful concentration information is 0, generate the control signal for closing described air cleaning unit;
When the toxic and harmful concentration value providing when described toxic and harmful concentration information is greater than 0, generate the control signal for opening described air cleaning unit.
3. system according to claim 2, is characterized in that, described monitor terminal specifically for:
When the toxic and harmful concentration value providing when described toxic and harmful concentration information is more than or equal to default threshold value, generate for the control signal that is 100% by the valve opening degree control of described air cleaning unit, described threshold value is greater than 0;
The toxic and harmful concentration value providing when described toxic and harmful concentration information is greater than 0 and while being less than described threshold value, generates the control signal for by the valve opening degree control of described air cleaning unit being the open degree corresponding with described toxic and harmful concentration value.
4. according to the system described in claim 1-3 any one, it is characterized in that, described gas detection apparatus has multiple, and multiple described gas detection apparatus are positioned at the diverse location of the same area, for surveying the toxic and harmful concentration information of the diverse location in described region;
Described system also comprises: data screening terminal;
Described monitor terminal is connected with multiple described gas detection apparatus by described data screening terminal;
Described data screening terminal is used for the toxic and harmful concentration information of the multiple positions that receive multiple described gas detection apparatus outputs, and remove the redundancy in the toxic and harmful concentration information of described multiple positions, obtain calibrating toxic and harmful concentration information;
Described monitor terminal is the described calibration toxic and harmful concentration information for obtaining according to described data screening terminal also, obtain the average toxic and harmful concentration information in described region, and generate described control signal according to described average toxic and harmful concentration information.
5. system according to claim 1, is characterized in that, described gas detection apparatus and described monitor terminal wireless connections.
6. system according to claim 4, is characterized in that, described gas detection apparatus is by described data screening terminal and described monitor terminal wireless connections.
7. according to the system described in claim 1-3 any one, it is characterized in that, described gas detection apparatus also for reporting to the police in the time that the toxic and harmful concentration value detecting is greater than early warning value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320851262.XU CN203962030U (en) | 2013-12-20 | 2013-12-20 | Air treating system under a kind of coal mine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320851262.XU CN203962030U (en) | 2013-12-20 | 2013-12-20 | Air treating system under a kind of coal mine |
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| CN203962030U true CN203962030U (en) | 2014-11-26 |
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| CN201320851262.XU Expired - Fee Related CN203962030U (en) | 2013-12-20 | 2013-12-20 | Air treating system under a kind of coal mine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397234A (en) * | 2018-02-13 | 2018-08-14 | 连建腾 | A kind of emergency equipment for oil exploitation |
| CN111365613A (en) * | 2020-03-16 | 2020-07-03 | 上海海事大学 | Harmful gas blowing system applied to pile shoe of ocean platform |
-
2013
- 2013-12-20 CN CN201320851262.XU patent/CN203962030U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397234A (en) * | 2018-02-13 | 2018-08-14 | 连建腾 | A kind of emergency equipment for oil exploitation |
| CN111365613A (en) * | 2020-03-16 | 2020-07-03 | 上海海事大学 | Harmful gas blowing system applied to pile shoe of ocean platform |
| CN111365613B (en) * | 2020-03-16 | 2021-09-14 | 上海海事大学 | Harmful gas blowing system applied to pile shoe of ocean platform |
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| C14 | Grant of patent or utility model | ||
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| 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: 20141126 Termination date: 20161220 |