CN109632178A - Coal mine down-hole tunnel draught head synchronous fast method - Google Patents
Coal mine down-hole tunnel draught head synchronous fast method Download PDFInfo
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- CN109632178A CN109632178A CN201811600495.6A CN201811600495A CN109632178A CN 109632178 A CN109632178 A CN 109632178A CN 201811600495 A CN201811600495 A CN 201811600495A CN 109632178 A CN109632178 A CN 109632178A
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- measuring point
- barometer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
Abstract
A kind of coal mine down-hole tunnel draught head synchronous fast method: including the following steps, selectes tunnel air pressure measurement route and measuring point according to underground coal mine ventilating system, and number to each measuring point；Select two barometers；First survey crew carries first barometer and goes to measuring point i, and the second survey crew carries second barometer and goes to measuring point i+1 from measuring point i；After first survey crew and the second survey crew reach specified measuring point, each point atmospheric pressure value is measured；Duplicate measurements is until all measuring points are measured；The first barometer and the second barometrical measurement data are exported, selection markers data calculate the draught head △ P for obtaining adjacent measuring point in tunnel.The present invention communicates in such a way that survey crew pulls cord, realizes coal mine down-hole tunnel draught head Simultaneous Determination, with input cost is low, easy to operate, measuring speed is fast, the accurate beneficial effect of determination data.
Description
Technical field
The present invention relates to coal mine downhole safety field more particularly to coal mine down-hole tunnel draught head synchronous fast sides
Method.
Background technique
Tunnel draught head is one of the important parameter of underground coal mine ventilation resistance, and mine resistance is reflection mine ventilation
The important parameter of complexity, the Accurate Determining of underground coal mine ventilation resistance be safety of coal mines technical management important content it
One, therefore, tunnel draught head has great influence to Safety of Coal Mine Production and economic benefit；In existing ventilation optimization method
Mainly measure underworkings draught head using three kinds of inclined differential pressure meter method, barometer base point method and air pressure Synchronos method methods, three
Kind measuring method respectively has advantage and disadvantage, and inclined differential pressure meter method measurement accuracy is higher, but needs largely frequently to be laid with rubber in measurement tunnel
Sebific duct, measurement working strength is very big, takes a long time；Barometer base point method working strength is small, and finding speed is fast, is to make extensively at present
Method, but since the variation of surface atmospheric pressure, underground measure asynchronous, this method measurement result error is larger；Gas
Pressure meter Synchronos method is to measure for barometer base point method asynchronous, and determination data error is big and proposes, measurement is accurate, but by
In downhole communication inconvenience, realize that Simultaneous Determination is extremely difficult.
Therefore, a kind of easy to operate, synchronous draught head measuring method of the higher underground coal mine of measurement accuracy is needed.
Summary of the invention
In view of this, the present invention provides one kind, Mine Communication inconvenience can be overcome, realize each measuring point of Simultaneous Determination
Between draught head the higher coal mine down-hole tunnel draught head synchronous fast method of easy to operate and measurement accuracy.
The present invention provides a kind of coal mine down-hole tunnel draught head synchronous fast method, it is characterised in that: including following
Step,
S1: tunnel air pressure measurement route and measuring point are selected according to underground coal mine ventilating system, and each measuring point is numbered, institute
Stating number is i (i=1,2,3 ... N, wherein N is the total number of measurement point)；
S2: selecting two barometers, the first barometer and the second barometer, and the first barometer and second is barometrical interior
Clock modulation is set to synchronization, and the first barometer and the second barometer are adjusted to relative barometric pressure and surveyed by same position synchronization
Amount mode；
S3: the first survey crew carries first barometer and goes to measuring point i, and the second survey crew carries second gas
Pressure meter goes to measuring point i+1 from measuring point i and is laid with the cord for communicating on the way in measuring point i to measuring point i+1, and by the cord
Free end is fixed in the wall of measuring point i；
S4: the first survey crew is communicated with preset communication language each other with the second survey crew, in confirmation the
One survey crew and the second survey crew reach specify measuring point after, the second survey crew is by measuring point number information the second gas of typing
Data markers button is counted and pressed to pressure, the atmospheric pressure value P (i+1, t) at measuring point i+1 current time is obtained, in the same time on the first barometer
Atmospheric pressure value be P (i, t)；
S5: being assigned a value of i, and i=f (i) for measuring point number, and the calculation method of the f (i) is f (i)=i+1, wherein
I=1,2,3 ... N, wherein N is the total number of measurement point；
S6: repeating step S3, S4 and S5 until all measuring points are measured；
S7: the first barometer of export and the second barometrical measurement data, selection markers data calculate and obtain phase in tunnel
The draught head △ P (i, t) of adjacent measuring point.
Further, the step S4 includes:
S41: after survey crew reaches its specified measuring point, by way of pulling cord, informing other side survey crew its
It is reached its specified measuring point and by way of pulling cord, informs that it is after other side survey crew receives the information for pulling cord
It is no to have arrived at specified measuring point；
S42: according to the response of another one survey crew, judge whether it reaches measuring point, if not reaching, survey crew is in original
Ground waits until receiving the information that other side survey crew reaches its specified measuring point；If arrived, step S43 is executed；
S43: the second survey crew is by the second barometer of measuring point number information typing and presses data markers button, is surveyed
The atmospheric pressure value P (i+1, t) at point i+1 current time, the atmospheric pressure value on the first barometer is P (i, t) in the same time；
S44: cutting communication cord, and the first survey crew and the second survey crew go to next survey of current measuring point
Point.
Further, the preset information transmission mode are as follows: dropping cord once indicates the measurement people for implementing to drop
Member has arrived at specified measuring point, and after receiving information, if to drop cord primary by other side survey crew, expression receives information but do not arrive temporarily
Up to specified measuring point, if continuously dropping cord twice indicates to receive information and oneself has arrived at specified measuring point；String breakage indicates
Go to next measuring point.
Further, the step S7 includes the following steps,
S71: the first barometer of export and the second barometrical measurement data；
S72: from the atmospheric pressure value P (i+1, t) in data, filtering out each flag data derived from the second barometer, wherein i
=1,2,3 ... N, wherein N is the total number of measurement point；
S73: corresponding from each label moment t is filtered out derived from the first barometer in data according to the label moment t
Atmospheric pressure value P (i, t), wherein i=1,2,3 ... N, wherein N is the total number of measurement point；
S74；According to the measuring point atmospheric pressure value of step S63 and S64, the draught head of each measuring point of coal mine down-hole tunnel is calculated
△ P (i, t)=P (i, t)-P (i+1, t).
Further, the air pressure is calculated as the accurate barometer with identical precision, and the precision barometer can be with 1 second
Period continuously reads environment relative barometric pressure value automatically.
Further, the cord is the non-telescoping cord of lightweight.
Beneficial effects of the present invention: the present invention realizes communication in such a way that survey crew pulls cord, realizes coal mine
Underworkings draught head Simultaneous Determination, with input cost is low, easy to operate, measuring speed is fast, determination data is accurately beneficial
Effect.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is flow diagram of the invention.
Fig. 2 is that schematic diagram is surveyed in underground of the invention.
Specific embodiment
The present invention is made further instructions below in conjunction with Figure of description:
The present invention provides a kind of coal mine down-hole tunnel draught head synchronous fast method, it is characterised in that: including following
Step,
S1: tunnel air pressure measurement route and measuring point are selected according to underground coal mine ventilating system, and each measuring point is numbered, institute
Stating number is i (i=1,2,3 ... N, wherein N is the total number of measurement point)；
S2: selecting two barometers, the first barometer and the second barometer, and the first barometer and second is barometrical interior
Clock modulation is set to synchronization, and the first barometer and the second barometer are adjusted to relative barometric pressure and surveyed by same position synchronization
Amount mode；
S3: the first survey crew carries first barometer and goes to measuring point i, and the second survey crew carries second gas
Pressure meter goes to measuring point i+1 from measuring point i and is laid with the cord for communicating on the way in measuring point i to measuring point i+1, and by the cord
Free end is fixed in the wall of measuring point i；
S4: the first survey crew is communicated with preset communication language each other with the second survey crew, in confirmation the
One survey crew and the second survey crew reach specify measuring point after, the second survey crew is by measuring point number information the second gas of typing
Data markers button is counted and pressed to pressure, the atmospheric pressure value P (i+1, t) at measuring point i+1 current time is obtained, in the same time on the first barometer
Atmospheric pressure value be P (i, t)；
S5: being assigned a value of i, and i=f (i) for measuring point number, and the calculation method of the f (i) is f (i)=i+1, wherein
I=1,2,3 ... N, wherein N is the total number of measurement point；
S6: repeating step S3, S4 and S5 until all measuring points are measured；
S7: the first barometer of export and the second barometrical measurement data, selection markers data calculate and obtain phase in tunnel
The draught head △ P (i, t) of adjacent measuring point.
Wherein, the principle that air pressure measurement route in tunnel should follow is selected according to underground coal mine ventilating system in step S1 are as follows:
First, when in ventilating system there are when parallel branch, select ventilation quantity larger as far as possible and by stope wind path as
Measure route；Second, selecting route longer and including the route of more full roadway shape and Support types as measurement route；Its
Three, it selects along main airstream direction and convenient for the route of arrangement measuring point as measurement route.Those skilled in the art, can be according to coal mine
Underground actual condition selects one or more measurement route, draws Air Resistance in Roadway Ventilation and measure route map.In measurement route determination
Afterwards, according to selected measurement route determination measuring point, the selection of the measuring point should follow following principle: first, position is arranged in measuring point
It is able to reflect the resistance distribution situation of main roadway and working face；Second, measuring point should be arranged in distinguished and admirable point of wind point, distinguished and admirable remittance wind point；
Third, measuring point should be arranged before and after the big place of local resistance；Fourth, survey should all be arranged by needing the first and last in the typical tunnel controlled
Point.After choosing measuring point, each measuring point is marked onto coalmine ventilation measure of resistance route map, and is numbered with this.It is surveyed going into the well
Before examination, survey crew should be familiar with the number of measuring point route, the position of measuring point and measuring point.
Wherein, in step S2 in the present embodiment, two barometers described in step S2 are selected with the same product of precision
The existing accurate barometer of board, the precision barometer can continuously read automatically environment relative barometric pressure value with 1 second for the period, such as
The CPD120 Mine-used I. S draft gauge of Co., Ltd, China Coal Science and Industry Group Chongqing Research Institute production, those skilled in the art can root
According to the needs of actual measurement, two accurate barometers are switched in same position synchronization and are transferred to relative barometric pressure measurement mould
Formula；Wherein, the same position includes any one place of coal mine well port or underground, and those skilled in the art can be according to reality
Work condition environment selects the specific location in same place, before preferably going into the well, certain of well head, because well head is every measurement route
Measuring point is originated, it generally should be in starting measuring point adjustment, so as to be measured under all same base condition of all data.
In the present embodiment, survey crew realizes the synchro measure of underworkings air pressure by way of pulling cord, gram
The defect of Mine Communication inconvenience is taken.Wherein, the communication cord cord extremely low for the tensile elasticity of lightweight, such as goes fishing
Nylon wire or horse line energetically, according to the length for the communication cord that measurement path prediction needs, the second survey crew carries energy
Enough cords for being laid with measurement route completely are laid between each measuring point on the way along the direction that the air of underworkings flows
Cord, after the completion of a measuring point, the direction cutting cord, and being flowed again along the air of underworkings, on the way each
Cord is laid between measuring point, until all measuring point measurements finish.As shown in Fig. 2, in the barometric surveying synchronous with measuring point 2 of measuring point 1
After the completion, the first survey crew carries the first barometer and goes to measuring point 2, and the second survey crew carries the second barometer and goes to measuring point
3, after the completion of measurement, next measuring point is successively gone to, until all measuring point measurements finish.
Above-mentioned technical proposal realizes communication in such a way that survey crew pulls cord, realizes coal mine down-hole tunnel air pressure
Poor Simultaneous Determination, with input cost is low, easy to operate, measuring speed is fast, the accurate beneficial effect of determination data.
In the present embodiment, the step S4 includes:
The step S4 includes:
S41: after survey crew reaches its specified measuring point, by way of pulling cord, informing other side survey crew its
It is reached its specified measuring point and by way of pulling cord, informs that it is after other side survey crew receives the information for pulling cord
It is no to have arrived at specified measuring point；
S42: according to the response of another one survey crew, judge whether it reaches measuring point, if not reaching, survey crew is in original
Ground waits until receiving the information that other side survey crew reaches its specified measuring point；If arrived, step S43 is executed；
S43: the second survey crew is by the second barometer of measuring point number information typing and presses data markers button, is surveyed
The atmospheric pressure value P (i+1, t) at point i+1 current time, the atmospheric pressure value on the first barometer is P (i, t) in the same time；
S44: cutting communication cord, and the first survey crew and the second survey crew go to next survey of current measuring point
Point.
Above-mentioned technical proposal, overcomes the defect of Mine Communication inconvenience, while realizing the same of underworkings air pressure
Pacing amount, it is easy to operate, stable, communications cost is low, measuring speed is fast.
Further, the preset communication language communication carries out with the following method: dropping cord once indicates real
It applies the survey crew dropped and has arrived at specified measuring point, after receiving information, if to drop cord primary by other side survey crew, indicate to receive
Specified measuring point to information but is not temporarily reached, if continuously dropping cord twice indicates to receive information and oneself have arrived at specified survey
Point；Next measuring point is gone in string breakage expression.It is communicated by preset communication language, it is ensured that survey crew's underground communica tion
It is smooth, communication mode is simple, strong operability.
To realize the synchro measure of underworkings air pressure.
In the present embodiment, further, the step S7 includes the following steps,
S71: the first barometer of export and the second barometrical measurement data；
S72: from the atmospheric pressure value P (i+1, t) in data, filtering out each flag data derived from the second barometer, wherein i
=1,2,3 ... N, wherein N is the total number of measurement point；
S73: corresponding from each label moment t is filtered out derived from the first barometer in data according to the label moment t
Atmospheric pressure value P (i, t), wherein i=1,2,3 ... N, wherein N is the total number of measurement point；
S74；According to the measuring point atmospheric pressure value of step S72 and S73, the draught head of each measuring point of coal mine down-hole tunnel is calculated
△ P (i, t)=P (i, t)-P (i+1, t).
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (6)
1. a kind of coal mine down-hole tunnel draught head synchronous fast method, it is characterised in that: include the following steps,
S1: tunnel air pressure measurement route and measuring point are selected according to underground coal mine ventilating system, and each measuring point is numbered, the volume
Number for i (i=1,2,3 ... N, wherein N is the total number of measurement point)；
S2: selecting two barometers, the first barometer and the second barometer, when the first barometer and second is barometrical built-in
Clock is modulated to synchronization, and the first barometer and the second barometer are adjusted to relative barometric pressure measurement mould by same position synchronization
Formula；
S3: the first survey crew carries first barometer and goes to measuring point i, and the second survey crew carries second barometer
Measuring point i+1 is gone to from measuring point i and is laid with the cord for communication on the way in measuring point i to measuring point i+1, and by the freedom of the cord
End is fixed in the wall of measuring point i；
S4: the first survey crew is communicated with preset communication language each other with the second survey crew, is surveyed in confirmation first
Amount personnel and the second survey crew reach specify measuring point after, the second survey crew is by measuring point number information the second barometer of typing
And data markers button is pressed, the atmospheric pressure value P (i+1, t) at measuring point i+1 current time is obtained, in the same time the gas on the first barometer
Pressure value is P (i, t)；
S5: measuring point number is assigned a value of i, and i=f (i), the calculation method of the f (i) is f (i)=i+1, wherein i=
1,2,3 ... N, wherein N is the total number of measurement point；
S6: repeating step S3, S4 and S5 until all measuring points are measured；
S7: the first barometer of export and the second barometrical measurement data, selection markers data calculate and obtain adjacent survey in tunnel
The draught head △ P (i, t) of point.
2. coal mine down-hole tunnel draught head synchronous fast method according to claim 1, it is characterised in that: the step
Suddenly S4 includes:
S41: after the specified measuring point of survey crew's arrival for first reaching measurement point, by way of pulling cord, other side's measurement is informed
It has arrived at specified measuring point to personnel, after other side survey crew receives the information for pulling cord, by way of pulling cord, accuses
Knowing the survey crew for first reaching measurement point, whether it has arrived at specified measuring point；
S42: the survey crew for first reaching measurement point judges whether it reaches measuring point according to the response of other side survey crew,
If not reaching, the survey crew for first reaching measurement point is waited in situ until receiving other side survey crew reaches its specified survey
The information of point；If arrived, step S43 is executed；
S43: the second survey crew is by the second barometer of measuring point number information typing and presses data markers button, obtains measuring point i+
The atmospheric pressure value P (i+1, t) at 1 current time, the atmospheric pressure value on the first barometer is P (i, t) in the same time；
S44: the second survey crew cuts communication cord, and the first survey crew and the second survey crew go under current measuring point
One measuring point.
3. coal mine down-hole tunnel draught head synchronous fast method according to claim 1, it is characterised in that: described pre-
The communication language communication first set are as follows: dropping cord once indicates that the survey crew for implementing to drop has arrived at specified measuring point, receives
To after information, if to drop cord primary by other side survey crew, expression receives information but does not temporarily reach specified measuring point, if continuously dropping
Cord indicates to receive information twice and oneself has arrived at specified measuring point；Next measuring point is gone in string breakage expression.
4. coal mine down-hole tunnel draught head synchronous fast method according to claim 1, it is characterised in that: the step
Suddenly S7 includes the following steps,
S71: the first barometer of export and the second barometrical measurement data；
S72: from the atmospheric pressure value P (i+1, t) in data, filtering out each flag data derived from the second barometer, wherein i=1,
2,3 ... N, wherein N is the total number of measurement point；
S73: according to the label moment t from filtering out the corresponding gas of each label moment t derived from the first barometer in data
Pressure value P (i, t), wherein i=1,2,3 ... N, wherein N is the total number of measurement point；
S74；According to the measuring point atmospheric pressure value of step S72 and S73, the draught head △ between coal mine down-hole tunnel adjacent measuring point is calculated
P (i, t)=P (i, t)-P (i+1, t).
5. coal mine down-hole tunnel draught head synchronous fast method according to claim 1, it is characterised in that: the gas
Pressure is calculated as the accurate barometer with identical precision, and the precision barometer can continuously read automatically environment with 1 second for the period
Relative barometric pressure value.
6. coal mine down-hole tunnel draught head synchronous fast method according to claim 1, it is characterised in that: described thin
Rope is the non-telescoping cord of lightweight.
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| CN201811600495.6A CN109632178A (en) | 2018-12-26 | 2018-12-26 | Coal mine down-hole tunnel draught head synchronous fast method |
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| CN201811600495.6A CN109632178A (en) | 2018-12-26 | 2018-12-26 | Coal mine down-hole tunnel draught head synchronous fast method |
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