CN111350533A - Labor protection device and protection method for dealing with dust-rich working environment - Google Patents
Labor protection device and protection method for dealing with dust-rich working environment Download PDFInfo
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- CN111350533A CN111350533A CN202010202269.3A CN202010202269A CN111350533A CN 111350533 A CN111350533 A CN 111350533A CN 202010202269 A CN202010202269 A CN 202010202269A CN 111350533 A CN111350533 A CN 111350533A
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- 239000000428 dust Substances 0.000 title claims abstract description 313
- 238000000034 method Methods 0.000 title claims abstract description 35
- 239000007921 spray Substances 0.000 claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000003595 mist Substances 0.000 claims abstract description 8
- 238000005507 spraying Methods 0.000 claims description 15
- 238000013178 mathematical model Methods 0.000 claims description 8
- 230000002194 synthesizing effect Effects 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 12
- 230000036541 health Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 239000013618 particulate matter Substances 0.000 description 3
- 210000003437 trachea Anatomy 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
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- 210000002345 respiratory system Anatomy 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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- 238000004880 explosion Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
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- 238000012544 monitoring process Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F11/00—Rescue devices or other safety devices, e.g. safety chambers or escape ways
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
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Abstract
The invention discloses a labor protection device and a protection method for dealing with a dust-rich working environment, which comprises the following steps: the respirator is arranged on one side of the face mask; a respirator is arranged on one side of the face mask, a suction nozzle is arranged on the respirator, the face mask is of a flexible structure and can be matched with the mouth and the nose, an antenna is arranged on one side of the respirator along the vertical direction and can be stretched; a plurality of first sensors are arranged on the antenna at intervals, the first sensors can detect dust parameters, at least one first spray head is arranged between any two first sensors, and the first spray heads can spray water mist; when the first sensor detects that the dust concentration in the area in the mine tunnel is higher than a preset value, a plurality of corresponding first nozzles in the area can spray water mist to perform fixed-point dust settling in the area.
Description
Technical Field
The invention relates to the technical field of labor protection of a human respiratory system, in particular to a labor protection device and a protection method for dealing with a dust-rich working environment.
Background
The dustfall reflects the natural settling amount of particulate matter, and is expressed by the weight of particulate matter settled per month on a unit area (unit: t/km 2. month), and the settling rate in air is fast, so that the particulate matter is not easy to be inhaled into the respiratory tract, and the natural settling capacity mainly depends on the self weight and the particle size. Is one of the main indexes reflecting the pollution of air dust particles, and the dust fall easily causes the desertification of the land.
Traditional dust fall system only carries out whole dust fall to the mine inside way, can't carry out regional directional accurate dust fall to at the dust fall in-process, do not consider the miner personnel and remove, and the regional key dust fall of miner, the dust fall is removed to the mode that traditional dust device can't realize carrying, and the dust fall effect is relatively poor.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides a labor protection device and a protection method for dealing with a dust-rich working environment.
In order to achieve the purpose, the invention adopts the technical scheme that: a labor protection device for dealing with a dust-rich working environment, comprising: the respirator is arranged on one side of the face mask;
a respirator is arranged on one side of the face mask, a suction nozzle is arranged on the respirator, the face mask is of a flexible structure and can be matched with the mouth and the nose, antennas are arranged on one side of the respirator along the vertical direction and can be stretched, when the number of the antennas is two, the two antennas are symmetrically arranged, and the two antennas are reversely stretched along the vertical direction;
a plurality of first sensors are arranged on the antenna at intervals, the first sensors can detect dust parameters, at least one first spray head is arranged between any two first sensors, and the first spray heads can spray water mist;
a cross bar is connected at the joint of the two antennas in a matched manner, the cross bar can stretch out and draw back, a plurality of second sensors are arranged on the cross bar, at least one second spray nozzle is arranged between any two second sensors, and the second sensors can detect the dust distribution concentration in a transverse area;
when the first sensor detects that the dust concentration in the area in the mine tunnel is higher than a preset value, a plurality of corresponding first nozzles in the area can spray water mist to perform fixed-point dust settling in the area.
In a preferred embodiment of the present invention, the dust parameter includes one or a combination of two or more of dust concentration, dust suspension particle size, dust dispersity and dust turbulence degree.
In a preferred embodiment of the invention, the first sensor is used for detecting dust distribution information in a longitudinal area, and the second sensor is used for detecting dust distribution information in a lateral area on one side of the mask.
In a preferred embodiment of the invention, the first sensor is capable of detecting a dust distribution density gradient within a vertical gradient within the face region of the miner.
In a preferred embodiment of the present invention, the first sprinklers and the second sprinklers can be linked and matched for sprinkling.
In a preferred embodiment of the present invention, the first nozzle and the second nozzle can rotate 360 degrees.
In a preferred embodiment of the present invention, the mine tunnel further comprises a temperature sensor and a humidity sensor, wherein the temperature sensor and the humidity sensor respectively detect the temperature and the humidity in the mine tunnel.
The second aspect of the present invention provides a protection method, including:
acquiring a transverse dust distribution signal through a first sensor, acquiring a longitudinal dust distribution signal through a second sensor, and establishing a dust distribution model through Matlab to obtain initial dust information;
establishing dust fall processing information according to the dust distribution model and the initial dust information;
controlling the first spray head and the second spray head to perform linkage spraying through the dust fall processing information to perform dust processing, acquiring processed dust information, and comparing the initial dust information with the processed dust information to obtain difference information and acquire a deviation ratio;
and when the deviation rate is larger than a preset threshold value, correcting the dustfall processing information.
In a preferred embodiment of the invention, a dust distribution signal is obtained, a dust distribution model is established, and initial dust information is obtained;
the method specifically comprises the following steps: acquiring dust density and gradient information, acquiring dust humidity and temperature information at the same time, and establishing an information table;
under the condition of the same humidity information, establishing a dust density curve and a gradient information curve;
under the condition of the same temperature information, establishing a dust concentration curve and a gradient information curve;
synthesizing the dust concentration curve through a mathematical model to establish a total dust concentration curve;
synthesizing the dust gradient information curve through a mathematical model to establish a total dust gradient curve;
and obtaining initial dust information through the total dust concentration curve and the total dust gradient curve.
In a preferred embodiment of the invention, the distribution information of the dust area is obtained through the initial dust information;
acquiring regional air humidity information;
comparing the dust area distribution information with the area air humidity information to obtain humidity interference information;
and determining dust fall processing information according to the humidity interference information.
In a preferred embodiment of the invention, the distribution information of the dust area is obtained through the initial dust information;
acquiring regional air temperature information;
comparing the dust area distribution information with the area air temperature information to obtain temperature interference information;
and determining dust fall processing information according to the temperature interference information.
The invention solves the defects in the background technology, and has the following beneficial effects:
1. dust device through the face formula, make the miner take the face guard, the miner removes the in-process in the ore deposit way, dust device follows the miner and removes, high durability and convenient carrying, make the miner facial region be in the lower standard of dust concentration all the time, can realize the real-time dust fall effect in the miner working process, carry out the region according to the different shower nozzle of dust distribution density control and spray the dust fall, control more accurately, at the in-process that carries out regional accurate dust fall, can not cause the interior humidity of ore deposit way to increase, bear the certain benefit of playing to the health of miner.
2. The antenna can be followed vertical direction and stretched, can spray the height through control antenna length adjustment shower nozzle to nimble control dust fall region forms three-dimensional detection through level and two vertical directions, then jointly sprays through the shower nozzle, and the mode that many shower nozzles cooperation was sprayed carries out the fixed point and sprays.
3. Through under humidity or the single variable of temperature, acquire dust intensity information and dust gradient information, can judge the influence of air temperature and humidity to the dust fall to this formulates different dust fall modes under to different air temperature or humidity condition, through initial dust information, acquires dust fall processing information, and this kind of analytic mode, analysis speed is very fast, and the reality is pressed close to more to the dust distribution information after the polymerization simulation, makes dust fall processing effect better.
4. Carry out dust disposal through dust fall processing information, acquire the dust information after handling, through comparing initial dust information and the dust information after handling, when carrying out the dust fall processing back, when dust distribution information is still greater than predetermined density, handle information through revising the dust fall, carry out the secondary dust fall to the dust, until will dust density with safety range or predetermined range in, the dust fall effect is better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings of the embodiments can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic perspective view of a dust settling device according to the present invention.
Fig. 2 is a schematic view of the mask construction of the present invention.
FIG. 3 is a block diagram of the guard method of the present invention.
Fig. 4 is a flowchart of an initial dust information acquisition method of the present invention.
Fig. 5 is a block diagram of the directional dustfall system of the present invention.
Description of the drawings:
1. antenna, 2, first sensor, 3, first shower nozzle, 4, second sensor, 5, second shower nozzle, 6, horizontal pole, 7, trachea, 8, respirator, 9, face guard.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
The invention will now be described in further detail with reference to the accompanying drawings and examples, which are simplified schematic drawings and illustrate only the basic structure of the invention in a schematic manner, and thus show only the constituents relevant to the invention.
As shown in FIG. 1, the invention discloses a three-dimensional structure schematic diagram of a labor protection device for dealing with a dust-rich working environment.
It should be noted that, a protection device for labour protection to deal with rich dirt operational environment includes: a face mask 9 and a respirator 8 arranged on one side of the face mask 9; a respirator 8 is arranged on one side of a face mask 9, a suction nozzle is arranged on the respirator 8, the face mask 9 is of a flexible structure, the face mask 9 can be matched with the mouth and the nose, an antenna 1 is arranged on one side of the respirator 8 along the vertical direction, and the antenna 1 can be stretched; when two antennas 1 are arranged, the two antennas 1 are symmetrically arranged and are reversely stretched along the vertical direction, a plurality of first sensors 2 are arranged on the antennas 1 at intervals, the first sensors 2 can detect dust parameters, at least one first spray head 3 is arranged between any two first sensors 2, and the first spray heads 3 can spray water mist; a cross bar 6 is connected at the joint of the two antennas 1 in a matching manner, the cross bar 6 can stretch out and draw back, a plurality of second sensors 4 are arranged on the cross bar 6, at least one second spray nozzle 5 is arranged between any two second sensors 4, and the second sensors 4 can detect the dust distribution concentration in a transverse area; when the first sensor 2 detects that the dust concentration in the area in the mine tunnel is higher than the preset value, the corresponding first nozzles 3 in the area can spray water mist to perform fixed-point dust settling in the area.
Particularly, 8 belows of respirator are connected with trachea 7, trachea 7 is connected with the oxygen cylinder, can breathe through respirator 8, horizontal pole 6 can be rotatory, after 6 rotatory certain angles of horizontal pole, the region that first sensor 2 on antenna 1 and the horizontal pole 6 detected with second sensor 4 changes, dust device through the face formula, make the miner take face guard 9, the miner removes the in-process in the ore deposit way, dust device follows the miner and removes, high durability and convenient carrying, make the miner face region be in the lower standard of dust concentration all the time, can realize the real-time dust fall effect in the miner working process, carry out regional spraying dust fall according to the different shower nozzle of dust distribution density control, control is more accurate, at the in-process of carrying out regional accurate dust fall, can not cause the interior humidity increase of ore deposit way, bear to the health of miner and play certain benefit.
According to the embodiment of the invention, the dust parameters comprise one or more of dust concentration, dust suspension particle size, dust dispersity and dust turbulence degree.
It should be noted that, according to the monitored dust parameters, effective dust reduction operation is performed, and for an area with higher dust concentration, spraying and dust reduction are performed through the spray heads in the corresponding area, the dust turbulence degree is an important index for monitoring dust explosion, and dust turbulence can be caused to a certain extent in the spraying process, so that the spraying flow and the spraying pressure of the first spray head 3 and the second spray head 5 can be adjusted through the dust turbulence index, and the dust turbulence degree is controlled in a safe range.
According to the embodiment of the invention, when the number of the antennas 1 is two, the two antennas 1 are symmetrically arranged, and the two antennas 1 are oppositely stretched along the vertical direction.
It should be noted that, three-dimensional detection is formed in the horizontal direction and the vertical direction, and then the first spray head 3 and the second spray head 5 are used for combined spraying, and the multi-spray-head matched spraying mode is used for fixed-point spraying.
According to the embodiment of the invention, the connecting part of the two antennas 1 is connected with the cross rod 6 in a matching manner, the cross rod 6 can stretch out and draw back, the cross rod 6 is provided with a plurality of second sensors 4, at least one second spray head 5 is arranged between any two second sensors 4, and the second sensors 4 can detect the dust distribution concentration in the transverse area. The first sensor is used for detecting dust distribution information in the longitudinal area, the second sensor is used for detecting dust distribution information in the transverse area on one side of the mask, the dust distribution information is compared and analyzed with the dust longitudinal distribution information according to the dust transverse distribution information, a dust distribution model is established through Matlab, and the dust distribution information is analyzed.
It should be noted that, the first sensor 2 on the antenna 1 can detect the ascending dust distribution of vertical direction in the ore deposit way, the second sensor 4 can detect the dust distribution in the 9 the place ahead horizontal areas of face guard, and spray in the horizontal area through second shower nozzle 5, because of the vast majority of miners are men, consequently, when detecting that the regional dust concentration of vertical direction 1.7 meters to 2 meters is great, can cause the threat to the health of miners, consequently, need concentrate regional dust fall, the dust fall is more pertinent.
As shown in FIG. 1, the present invention discloses a schematic view of a mask structure;
particularly, 9 face guards are flexible structure, and 9 face guards can laminate with the people's face, and 9 two of face guards can be provided with and hang the rope, hang the rope and hang on the ear, can fix 9 face guards in face, can not cause 9 face guards to drop.
According to an embodiment of the present invention, the first sensor 2 is capable of detecting a dust distribution density gradient within a vertical gradient within the face region of the mineworker.
It should be noted that the first spray head 3 can spray in a space area of 1.7 m to 2 m in the vertical direction, and the second spray head 5 can perform movable non-intermittent spraying in a horizontal area.
According to the embodiment of the invention, the first spray heads 3 and the second spray heads 5 can be linked and matched for spraying.
It should be noted that, spray through the linkage cooperation of first shower nozzle 3 and second shower nozzle 5, just like a certain point in the coordinate system, need lateral shifting certain distance, then longitudinal movement certain distance, can understand, when spraying the dust fall in certain region in the ore deposit way, second shower nozzle 5 lateral shifting is to this regional below or top lateral position department, then first shower nozzle 3 longitudinal shifting is to this regional horizontal direction, forms the fixed area and sprays, sprays more accurately.
According to the embodiment of the invention, the first spray head 3 and the second spray head 5 can rotate 360 degrees.
It should be noted that, first shower nozzle 3 and second shower nozzle 5 can spray the limit and rotate spraying the in-process, can spray into circular water curtain, carry out all-round cover, and the dust fall effect is better.
According to the embodiment of the invention, the mine tunnel temperature and humidity detection device further comprises a temperature sensor and a humidity sensor, wherein the temperature sensor and the humidity sensor are used for respectively detecting the temperature and the humidity in the mine tunnel.
When the temperature in the mine tunnel deviates from the preset value, the distribution density of dust and the dust fall effect can be influenced, the dust can be prevented from exploding by adjusting the temperature in the mine tunnel, and the safety is high.
When humidity is higher in the ore deposit way, though the deposit falls easily to the dust, under the higher environment of humidity simultaneously, influence miner's health safety, cause great influence to miner's health, consequently need seek a balance, can enough make the dust deposit to a certain extent, can not make environment humidity great again, be favorable to the dust fall like this.
Referring to fig. 3, the present invention discloses a block diagram of a guard method.
The second aspect of the present invention provides a protection method, including:
s302, acquiring transverse dust distribution signals through a first sensor, acquiring longitudinal dust distribution signals through a second sensor, and establishing a dust distribution model through Matlab to obtain initial dust information;
s304, establishing dust fall processing information according to the dust distribution model and the initial dust information;
s306, controlling the first spray head and the second spray head to spray in a linkage manner through the dust fall processing information to process dust, and acquiring processed dust information;
s308, comparing the initial dust information with the processed dust information to obtain difference value information and obtain a deviation rate;
and S310, when the deviation ratio is larger than a preset threshold value, correcting the dustfall processing information.
As shown in fig. 4, the present invention discloses a flow chart of an initial dust information obtaining method.
According to the embodiment of the invention, a dust distribution signal is obtained, a dust distribution model is established, and initial dust information is obtained;
the method specifically comprises the following steps:
s402, acquiring dust density and gradient information, acquiring dust humidity and temperature information, and establishing an information table;
s404, under the condition of the same humidity information, establishing a dust density curve and a gradient information curve;
s406, under the same temperature information condition, establishing a dust density curve and a gradient information curve;
s408, synthesizing the dust concentration curve through a mathematical model to establish a total dust concentration curve;
s410, synthesizing the dust gradient information curve through a mathematical model to establish a total dust gradient curve;
and S412, obtaining initial dust information through the total dust concentration curve and the total dust gradient curve.
According to the embodiment of the invention, the distribution information of the dust area is obtained through the initial dust information;
acquiring regional air humidity information;
comparing the dust area distribution information with the area air humidity information to obtain humidity interference information;
and determining dust fall processing information according to the humidity interference information.
According to the embodiment of the invention, the distribution information of the dust area is obtained through the initial dust information;
acquiring regional air temperature information;
comparing the dust area distribution information with the area air temperature information to obtain temperature interference information;
and determining dust fall processing information according to the temperature interference information.
It should be noted that, carry out dust treatment through dust fall processing information, obtain the dust information after handling, through comparing initial dust information and the dust information after handling, when carrying out the dust fall and handling the back, when dust distribution information is still greater than predetermined density, handle the information through revising the dust fall, carry out the secondary dust fall to the dust, until will the dust density to safe range or predetermined within range, the dust fall effect is better.
Referring to fig. 5, the invention discloses a block diagram of a directional dust settling system.
The invention also provides a portable directional accurate dust fall system, and the system 5 comprises: the memory 51 and the processor 52, the memory 51 includes a protection method program of the dustfall system 5, and the protection method program of the dustfall system realizes the following steps when executed by the processor: acquiring a dust distribution signal, and establishing a dust distribution model to obtain initial dust information;
establishing dust fall processing information according to the dust distribution model and the initial dust information;
performing dust treatment through the dust fall treatment information to obtain treated dust information, and comparing the initial dust information with the treated dust information to obtain difference information and obtain a deviation rate;
and when the deviation rate is larger than a preset threshold value, correcting the dustfall processing information.
Acquiring a dust distribution signal, establishing a dust distribution model, and obtaining initial dust information;
the method specifically comprises the following steps:
acquiring dust density and gradient information, acquiring dust humidity and temperature information at the same time, and establishing an information table;
under the condition of the same humidity information, establishing a dust density curve and a gradient information curve;
under the condition of the same temperature information, establishing a dust concentration curve and a gradient information curve;
synthesizing the dust concentration curve through a mathematical model to establish a total dust concentration curve;
synthesizing the dust gradient information curve through a mathematical model to establish a total dust gradient curve;
and obtaining initial dust information through the total dust concentration curve and the total dust gradient curve.
According to the embodiment of the invention, the distribution information of the dust area is obtained through the initial dust information;
acquiring regional air humidity information;
comparing the dust area distribution information with the area air humidity information to obtain humidity interference information;
and determining dust fall processing information according to the humidity interference information.
According to the embodiment of the invention, the distribution information of the dust area is obtained through the initial dust information;
acquiring regional air temperature information;
comparing the dust area distribution information with the area air temperature information to obtain temperature interference information;
and determining dust fall processing information according to the temperature interference information.
It should be noted that, carry out dust treatment through dust fall processing information, obtain the dust information after handling, through comparing initial dust information and the dust information after handling, when carrying out the dust fall and handling the back, when dust distribution information is still greater than predetermined density, handle the information through revising the dust fall, carry out the secondary dust fall to the dust, until will the dust density to safe range or predetermined within range, the dust fall effect is better.
The realization system of the invention adopts an AT89C51 singlechip data acquisition unit and a central processing unit for data processing, storage and control, the data acquisition unit is communicated with the sensor through an IIC protocol, the acquisition units are communicated through RS485 interfaces, the data acquisition unit temporarily stores data and an internal RAM, the acquisition units of all modules simultaneously acquire uploaded data, and the non-delay precision of the data is ensured, wherein the type of the singlechip can be selected by technicians in the field according to actual needs, such as selection of ATMEGA48 or AT89C52, and the like.
In addition, AT89C51 provides standard functions of 4 kbyte Flash memory, 256 bytes on-chip data memory (00H-7FH is on-chip RAM, 80H-FFH is special function register SFR), 32I/O port lines, two 16-bit timing/counters, a 5-vector two-stage interrupt structure, a full-duplex serial communication port, an on-chip oscillator and a clock circuit, and AT the same time, AT89C51 can be reduced to 0Hz static logic operation and support two software selectable power-saving operating modes. The idle mode stops the CPU from operating, but allows the RAM, timer/counter, serial port and interrupt system to continue operating. The power down mode saves the contents of the RAM but the oscillator stops and disables all other components until the next hardware reset.
The invention also provides a computer readable storage medium, the computer readable storage medium comprises a protection method program of the labor protection device for dealing with the dust-rich working environment, and when the protection method program of the labor protection device for dealing with the dust-rich working environment is executed by a processor, the steps of the protection method of the dust fall system based on the air temperature and the air humidity are realized.
Dust device through the face formula, make the miner take face guard 9, the miner removes the in-process in the ore deposit way, dust device follows the miner and removes, high durability and convenient carrying, make the miner face region be in the lower standard of dust concentration all the time, can realize the real-time dust fall effect in the miner work process, carry out the region according to the different shower nozzle of dust distribution density control and spray the dust fall, control is more accurate, at the in-process that carries out regional accurate dust fall, can not cause the interior humidity of ore deposit way to increase, bear certain benefit to the health of miner.
Through under humidity or the single variable of temperature, acquire dust intensity information and dust gradient information, can judge the influence of air temperature and humidity to the dust fall to this formulates different dust fall modes under to different air temperature or humidity condition, through initial dust information, acquires dust fall processing information, and this kind of analytic mode, analysis speed is very fast, and the reality is pressed close to more to the dust distribution information after the polymerization simulation, makes dust fall processing effect better.
Carry out dust disposal through dust fall processing information, acquire the dust information after handling, through comparing initial dust information and the dust information after handling, when carrying out the dust fall processing back, when dust distribution information is still greater than predetermined density, handle information through revising the dust fall, carry out the secondary dust fall to the dust, until will dust density with safety range or predetermined range in, the dust fall effect is better.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of a unit is only one logical function division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units; can be located in one place or distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, all the functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be separately regarded as one unit, or two or more units may be integrated into one unit; the integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
Those of ordinary skill in the art will understand that: all or part of the steps for realizing the method embodiments can be completed by hardware related to program instructions, the program can be stored in a computer readable storage medium, and the program executes the steps comprising the method embodiments when executed; and the aforementioned storage medium includes: a mobile storage device, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Alternatively, the integrated unit of the present invention may be stored in a computer-readable storage medium if it is implemented in the form of a software functional module and sold or used as a separate product. Based on such understanding, the technical solutions of the embodiments of the present invention may be essentially implemented or a part contributing to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: a removable storage device, a ROM, a RAM, a magnetic or optical disk, or various other media that can store program code.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (9)
1. A labor protection device for dealing with a dust-rich working environment, comprising: the respirator is arranged on one side of the face mask; it is characterized in that the preparation method is characterized in that,
the mask is characterized in that a respirator is arranged on one side of the mask, a suction nozzle is arranged on the respirator, the mask is of a flexible structure and can be matched with the mouth and the nose, an antenna is arranged on one side of the respirator along the vertical direction and can be stretched, when the number of the antennas is two, the antennas are symmetrically arranged and are reversely stretched along the vertical direction
A plurality of first sensors are arranged on the antenna at intervals, the first sensors can detect dust parameters, at least one first spray head is arranged between any two first sensors, and the first spray heads can spray water mist;
a cross bar is connected at the joint of the two antennas in a matched manner, the cross bar can stretch out and draw back, a plurality of second sensors are arranged on the cross bar, at least one second spray nozzle is arranged between any two second sensors, and the second sensors can detect the dust distribution concentration in a transverse area;
when the first sensor detects that the dust concentration in the area in the mine tunnel is higher than a preset value, a plurality of corresponding first nozzles in the area can spray water mist to perform fixed-point dust settling in the area.
2. The labor protection device for dust-rich working environment according to claim 1, wherein the dust parameters include one or more of dust concentration, dust suspension particle size, dust dispersion degree, and dust turbulence degree.
3. The labor protection device for dealing with a dust-rich working environment of claim 1, wherein the first sensor is used for detecting dust distribution information in a longitudinal area, and the second sensor is used for detecting dust distribution information in a lateral area on one side of the face mask.
4. The labor protection device for a dust-rich working environment of claim 1, wherein the first sensor is capable of detecting a dust distribution density gradient within a vertical gradient within a face region of a mineworker.
5. The labor protection device for dealing with a dust-rich working environment according to claim 3, wherein a plurality of the first spray heads and the second spray heads can be linked and matched for spraying.
6. The labor protection device for dealing with a dust-rich working environment according to claim 5, wherein the first spray head and the second spray head are both capable of rotating 360 degrees.
7. The labor protection device for dealing with a dust-rich working environment according to claim 1, further comprising a temperature sensor and a humidity sensor, wherein the temperature sensor and the humidity sensor respectively detect the temperature and the humidity in the mine shaft.
8. A method of safeguarding as claimed in claim 1, comprising:
acquiring a transverse dust distribution signal through a first sensor, acquiring a longitudinal dust distribution signal through a second sensor, and establishing a dust distribution model through Matlab to obtain initial dust information;
establishing dust fall processing information according to the dust distribution model and the initial dust information;
controlling the first spray head and the second spray head to perform linkage spraying through the dust fall processing information to perform dust processing, acquiring processed dust information, and comparing the initial dust information with the processed dust information to obtain difference information and acquire a deviation ratio;
and when the deviation rate is larger than a preset threshold value, correcting the dustfall processing information.
9. The protection method according to claim 8, wherein a dust distribution signal is obtained, a dust distribution model is established, and initial dust information is obtained;
the method specifically comprises the following steps: acquiring dust density and gradient information, acquiring dust humidity and temperature information at the same time, and establishing an information table;
under the condition of the same humidity information, establishing a dust density curve and a gradient information curve;
under the condition of the same temperature information, establishing a dust concentration curve and a gradient information curve;
synthesizing the dust concentration curve through a mathematical model to establish a total dust concentration curve;
synthesizing the dust gradient information curve through a mathematical model to establish a total dust gradient curve;
and obtaining initial dust information through the total dust concentration curve and the total dust gradient curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010202269.3A CN111350533A (en) | 2020-03-20 | 2020-03-20 | Labor protection device and protection method for dealing with dust-rich working environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010202269.3A CN111350533A (en) | 2020-03-20 | 2020-03-20 | Labor protection device and protection method for dealing with dust-rich working environment |
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| CN111350533A true CN111350533A (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010202269.3A Withdrawn CN111350533A (en) | 2020-03-20 | 2020-03-20 | Labor protection device and protection method for dealing with dust-rich working environment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112742141A (en) * | 2020-12-09 | 2021-05-04 | 科大讯飞股份有限公司 | Dust-fall purification equipment and dust-fall purification method |
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| CN1491732A (en) * | 2003-05-19 | 2004-04-28 | 东华大学 | Integrated dust-proof and gas-proof mask |
| CN201404609Y (en) * | 2009-05-12 | 2010-02-17 | 北京建工环境修复有限责任公司 | Novel protective device |
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Application publication date: 20200630 |