CN111474380A - Multi-section grid observation method and system for roadway wind speed - Google Patents
Multi-section grid observation method and system for roadway wind speed Download PDFInfo
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- CN111474380A CN111474380A CN202010340556.0A CN202010340556A CN111474380A CN 111474380 A CN111474380 A CN 111474380A CN 202010340556 A CN202010340556 A CN 202010340556A CN 111474380 A CN111474380 A CN 111474380A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
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Abstract
The invention relates to a multi-section grid observation method and system for roadway wind speed, and belongs to the field of roadway wind speed monitoring. The method comprises the following steps of calibrating the wind speed sensors by adopting a tracing calibration method, arranging the calibrated wind speed sensors by adopting a multi-section grid method, synchronously receiving monitoring data of all the wind speed sensors by adopting a mobile data acquisition terminal, performing superposition analysis processing on the received monitoring data, and drawing a wind speed contour map of a roadway section based on an analysis result of the monitoring data; the system comprises an air speed sensor, an air speed sensor mounting rod and a data acquisition terminal. The invention adopts a multi-section grid method to arrange the wind speed sensors, realizes synchronous three-dimensional measurement of wind speeds with different spatial gradients, and reduces the influence of arranging the wind speed sensors on the wind speed distribution rule of the tunnel on the same tunnel section. And measurement data are synchronously acquired, so that the acquired data of all the wind speed sensors are synchronous, and the influence of the wind speed fluctuation of the underground roadway on the investigation result is avoided.
Description
Technical Field
The invention belongs to the field of monitoring of wind speed of a roadway, and relates to a multi-section grid observation method and system for wind speed of the roadway.
Background
Mine ventilation is one of the most main technical means for guaranteeing mine safety, new requirements are provided for measuring and monitoring roadway wind speed along with the rapid development of mine ventilation technology and equipment, the wind speed distribution rule of different types of roadways under different conditions is researched, instrument and equipment capable of rapidly and accurately measuring roadway wind speed are developed, accurate monitoring and intelligent analysis of roadway wind speed and wind volume are realized, the development direction of future ventilation technology is provided, and the intelligent ventilation technology is a technical support condition for realizing intelligent ventilation.
At present, two types of underground wind measuring technologies are mainly used, namely a line method mainly based on manual measurement, the method is greatly influenced by the experience of wind measuring personnel, the measuring time is long, the wind measuring accuracy of a large-section roadway is difficult to control, and the measuring error randomness is large; another on-line wind speed monitoring technology mainly based on various wind speed sensors mainly has the following problems: the research on the wind speed distribution rule of the underground roadway is mostly based on theoretical calculation and numerical simulation, and a feasible field investigation method is lacked; the installation position of the wind speed sensor lacks theoretical basis, and the actual wind speed distribution rule of the roadway is not clearly investigated. Therefore, a faster and more accurate method for observing the distribution rule of the wind speed of the roadway is urgently needed.
Two problems are faced to accurately survey the wind speed distribution rule of the roadway: because the wind speed of a tunnel changes at any time due to factors such as underground coal mine mining activity, personnel and vehicles running, state change of ventilation facilities and the like, a wind speed sensor must be arranged on a full section to master the full-section wind speed distribution rule, and the data acquisition of the wind speed sensor must ensure the synchronism; all the wind speed sensors are arranged on the same section, and the wind speed sensors have large influence on a wind flow field, so that the real wind speed distribution rule is not easy to master. According to the invention, the wind speed sensors are arranged in a multi-section grid mode, and the data acquisition terminal is used for synchronously acquiring monitoring data, so that the influence of factors such as wind speed fluctuation on the observation of the wind speed rule is effectively avoided, and the observation result is more scientific and accurate.
Disclosure of Invention
In view of this, the present invention provides a multi-section grid observation method for wind speed in a roadway, which can accurately monitor wind speed in the roadway and avoid the influence of wind speed fluctuation on an observation result.
In order to achieve the purpose, the invention provides the following technical scheme: a multi-section grid observation method for roadway wind speed comprises the following steps of: calibrating the wind speed sensor by adopting a tracing calibration method; arranging: arranging the calibrated wind speed sensors by adopting a multi-section grid method; receiving: a mobile data acquisition terminal is adopted to synchronously receive monitoring data of all wind speed sensors; and (3) analysis: carrying out superposition analysis processing on the received monitoring data; drawing a wind speed contour map: and drawing a wind speed contour map of the roadway section based on the analysis result of the monitoring data.
Optionally, in the "calibration" step, the source tracing calibration method refers to calibrating and calibrating all wind speed sensors in the ground wind tunnel according to a uniform error standard.
Optionally, in the step of "arranging", the multi-section grid method means that a plurality of measurement surfaces are sequentially arranged along the extending direction of the roadway, the measurement surfaces are intersected with the extending direction of the roadway, the distance between every two adjacent measurement surfaces is equal, at least one measurement line is arranged on each measurement surface, the intersection of the projections of all the measurement lines on any measurement surface is zero, and a plurality of wind speed sensors are sequentially arranged on the measurement lines along the extending direction of the measurement lines.
Optionally, a projection of the line on any measuring surface is a line projection, a distance between adjacent line projections close to the roadway wall is smaller than a distance between adjacent line projections far away from the roadway wall, and a distance between adjacent wind speed sensors close to the roadway wall is smaller than a distance between adjacent wind speed sensors far away from the roadway wall.
Optionally, in the step of arranging, the extending direction of the roadway is a Y axis, the width direction of the roadway is an X axis, the height direction of the roadway is a Z axis, the number of measuring lines is N, the distance between the measuring surfaces is l, each measuring surface is provided with a measuring line with the length of L, the number of the wind speed sensors on each measuring line is N, the measuring surfaces are perpendicular to the direction of the Y axis, the measuring lines are parallel to the direction of the X axis, and when the measuring lines are arranged, the distance between the projection of the measuring lines and the roadway wall on the side close to the projection of the measuring lines follows Hz＝0.1z(z+1)/2，HzIs the distance between the walls of the roadway on the side where the line of sight is located, HzH is less than or equal to H/2, H is the height of the roadway, and z is the serial number counted from the roadway wall on the side close to the measuring line projection in sequence; when the wind speed sensor is arranged, the distance between the wind speed sensor and the adjacent roadway wall follows Wx＝0.1x(x+1)/2，WxThe distance between the wind speed sensor and the adjacent one side of the tunnel wall is obtained; wxW is less than or equal to W/2, and W is the height of the roadway; x is a serial number counted by the wind speed sensor from the roadway wall on the side close to the wind speed sensor in sequence;
the method comprises the following steps of (1) measuring the section size of a roadway by using a laser range finder or a tape measure, (2) selecting the distance l between measuring surfaces and determining the number of the measuring surfaces, determining the specific numerical value of the number of measuring lines N according to the section size of the roadway, and determining the distance between each measuring line and a roadway wall according to the number of the measuring lines N, (3) determining the length L of the measuring lines according to the section size of the roadway, determining the number N of wind speed sensors on each measuring line and the distance between each wind speed sensor and the roadway wall according to the length L of the measuring lines, and (4) fixedly arranging the wind speed sensors in the roadway according to the distance between each measuring line and the roadway wall and the distance between each wind speed sensor and the roadway wall.
Optionally, only one measuring line is arranged on each measuring surface, and the plurality of measuring lines are sequentially arranged in a stepped manner along the extending direction of the roadway.
Optionally, in the step of "receiving", the synchronous receiving means that the data acquisition terminal is paired with all wind speed sensor numbers through software setting, and acquires monitoring values of all wind speed sensors at the same time.
Optionally, in the "analyzing" step, the superposition analysis processing refers to that data monitored by the wind speed sensors in all the measuring surfaces are firstly superposed on the same measuring surface along the extending direction of the roadway, and then the wind speed distribution rule on the same measuring surface is analyzed.
A multi-section grid observation system for the wind speed of a roadway is used for implementing the multi-section grid observation method for the wind speed of the roadway, and comprises a wind speed sensor, a wind speed sensor mounting rod and a data acquisition terminal, wherein the wind speed sensor is in signal connection with the data acquisition terminal, the wind speed sensor is arranged on the wind speed sensor mounting rod, a scale groove is formed in the wind speed sensor mounting rod, and the wind speed sensor is arranged in the scale groove in a sliding manner;
the both ends of wind velocity transducer installation pole are provided with the connector respectively, and wind velocity transducer installation pole is a plurality of, connects gradually through the connector between the adjacent wind velocity transducer installation pole, and wind velocity transducer passes through the setting of wind velocity transducer installation pole in the tunnel.
Optionally, the data acquisition terminal is a mobile data acquisition terminal, and the wind speed sensor is in wireless signal connection with the mobile data acquisition terminal
The invention has the beneficial effects that: (1) the wind speed sensors are arranged by adopting a multi-section grid method, so that synchronous three-dimensional measurement of wind speeds with different spatial gradients is realized, and the influence of the arrangement of the wind speed sensors on the wind speed distribution rule of the tunnel on the same tunnel section is reduced. (2) The data acquisition terminal is adopted to synchronously acquire measured data, so that the acquired data of all the wind speed sensors are ensured to be at the same time, and the influence of the wind speed fluctuation of the underground roadway on the investigation result is avoided.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic layout view of a multi-section grid observation system for wind speed in a roadway;
FIG. 2 is a schematic view of the arrangement of wind speed sensors on each survey surface;
fig. 3 is a schematic structural view of a wind speed sensor mounting rod.
Reference numerals: the wind speed measuring device comprises a measuring line 1, a wind speed sensor 2, a connecting port 3, a scale groove 4 and a position adjusting bolt 5.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
A multi-section grid observation method for roadway wind speed comprises the following steps,
1. calibration: calibrating the wind speed sensor by adopting a tracing calibration method; the source tracing calibration method is to calibrate and calibrate all wind speed sensors in a ground wind tunnel according to a uniform error standard.
2. Arranging: the calibrated wind speed sensors are arranged by adopting a multi-section grid method, the multi-section grid method is that a plurality of measuring surfaces are sequentially arranged along the extension direction of a roadway, at least one measuring line is arranged on each measuring surface and is intersected with the extension direction of the roadway, the projection of the measuring line on any measuring surface is a measuring line projection, the intersection of all the measuring line projections is zero, the distance between the measuring line projections close to the wall of the roadway is smaller than the distance between the measuring line projections far away from the wall of the roadway, a plurality of wind speed sensors are sequentially arranged on the measuring line along the extension direction of the measuring line, and the distance between the wind speed sensors close to the wall of the roadway is smaller than the distance between the wind speed sensors far away from the wall of the roadway.
Referring to fig. 1 and 2, the extending direction of the roadway is a Y axis, the width direction of the roadway is an X axis, and the height direction of the roadway is a Z axis, the number of measuring lines is N, the distance between the measuring surfaces is l, each measuring surface is provided with a measuring line 1 with the length of L, the number of wind speed sensors 2 on each measuring line 1 is N, the measuring surfaces are perpendicular to the Y axis direction, and the measuring lines 1 are parallel to the X axis direction;
the wall of the tunnel comprises a top plate, a bottom plate and a side wall, when the measuring lines 1 are arranged, the distances between the measuring lines 1 close to the top plate or the bottom plate in the Z-axis direction are dense, and the distances between the measuring lines 1 far away from the top plate or the bottom plate in the Z-axis direction are sparse.
The distance between the projection of the measuring line and the roadway wall on the side close to the projection of the measuring line can be 0.1z (z +1)/2, wherein Hz is the distance between the roadway walls on the side close to the measuring line and is unit meter; hz is less than or equal to H/2, and H is the height of the roadway and is unit meter; z is a serial number counted from the roadway wall on the side close to the line measurement projection in sequence; when z is equal to 1, the distance from the 1 st line projection counted from the adjacent one side of the roadway wall to the side roadway wall is 0.1m, when z is equal to 2, the distance from the 2 nd line projection counted from the adjacent one side of the roadway wall to the side roadway wall is 0.3m, and the like.
When the wind speed sensors are arranged, the distance between the wind speed sensors close to the side wall in the X-axis direction is dense, and the distance between the wind speed sensors far away from the side wall in the X-axis direction is sparse. The distance between the wind speed sensor and the adjacent roadway wall can be 0.1x (x +1)/2, wherein Wx is the distance between the wind speed sensor and the adjacent roadway wall and is measured in meters; wx is less than or equal to W/2, and W is the width of the roadway and is unit meter; and x is a serial number of the wind speed sensors counted from the tunnel wall on the side close to the wind speed sensors in sequence, when x is equal to 1, the distance from the installation position of the 1 st wind speed sensor counted from the tunnel wall on the side close to the tunnel wall on the side is 0.1m, when x is equal to 2, the distance from the installation position of the 1 st wind speed sensor counted from the tunnel wall on the side close to the tunnel wall on the side is 0.3m, and the rest is done in sequence.
The formula is an empirical formula, and the specific values of the arrangement parameters L, N, N and l of the wind speed sensors can be flexibly set according to the actual section size of the roadway, the length of the roadway and the observation requirements.
In this embodiment, the "arranging" step includes the following substeps:
(1) the width of the rectangular test lane measured by a laser range finder was 4.8m and the height was 3.4 m.
(2) In the embodiment, the distance l between the measuring surfaces is 3m, the number N of the measuring lines, the length L of the measuring lines and the specific numerical value of the number N of the wind speed sensors on each measuring line are determined according to the section size of the roadway, the distance between the measuring lines and the wall of the roadway close to the measuring lines follows that Hz is 0.1z (z +1)/2, Hz is less than or equal to H/2, and H is 4.8m, the number N of the measuring lines is 10, the distance between each measuring line close to the top plate side and the top plate is 0.1m, 0.3m, 0.6m, 1m and 1.5m in sequence, the distance between each measuring line close to the bottom plate side and the bottom plate is 0.1m, 0.3m, 0.6m, 1m and 1.5m in sequence, and each measuring line is arranged on each measuring surface, so that the number of the measuring surfaces is 10.
(3) The length of a lane width is 4.8m, the length of a measuring line is 4.8m, when the wind speed sensor is arranged, the distance between the wind speed sensor and the adjacent lane wall is 0.1x (x +1)/2, Wx is the distance between the wind speed sensor and the adjacent lane wall, Wx is less than or equal to W/2, W is 3.4m, and the number n of the wind speed sensors on each measuring line is 12; the distances between the wind speed sensor and the adjacent side wall are respectively as follows: 0.1m, 0.3m, 0.6m, 1m, 1.5m, 1.7 m.
(4) And fixedly arranging the wind speed sensors in the roadway according to the distance between each line projection and the roadway wall and the distance between each wind speed sensor and the roadway wall.
3. Receiving: a mobile data acquisition terminal is adopted to synchronously receive monitoring data of all wind speed sensors;
4. and (3) analysis: carrying out superposition analysis processing on the received monitoring data;
5. drawing a wind speed contour map: and drawing a wind speed contour map of the roadway section based on the analysis result of the monitoring data.
The method is realized by a multi-section grid observation system for the wind speed of the roadway, the system comprises a wind speed sensor, a wind speed sensor mounting rod and a data acquisition terminal, and the wind speed sensor is in signal connection with the data acquisition terminal. In this embodiment, the data acquisition terminal is a mobile data acquisition terminal, and the wind speed sensor is in wireless signal connection with the mobile data acquisition terminal.
The wind speed sensor is arranged on the wind speed sensor mounting rod, and the wind speed sensor is sequentially arranged in the roadway along a measuring line through the wind speed sensor mounting rod. As shown in fig. 3, the wind speed sensor mounting rods are provided with connectors at two ends thereof, the wind speed sensor mounting rods are provided with a plurality of connectors, adjacent wind speed sensor mounting rods are connected in sequence through the connectors, and the wind speed sensor mounting rods can be assembled at will through the connectors according to the size of the section of the roadway; the wind speed sensor mounting rod is provided with a scale groove, the wind speed sensor is arranged on the scale groove, the scale groove is further provided with a position adjusting bolt, and the wind speed sensor can move along the scale groove by adjusting the position adjusting bolt so as to adjust the mounting position of the wind speed sensor. In this embodiment, the wind speed sensor adopts the CFD15 electronic anemometer for coal mine of Chongqing institute of Zhongniao Kejia Chongqing institute, and the tail end of the sensor is provided with a connection interface used in cooperation with a position adjusting bolt.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (10)
1. A multi-section grid observation method for roadway wind speed is characterized by comprising the following steps,
calibration: calibrating the wind speed sensor by adopting a tracing calibration method;
arranging: arranging the calibrated wind speed sensors by adopting a multi-section grid method;
receiving: a mobile data acquisition terminal is adopted to synchronously receive monitoring data of all wind speed sensors;
and (3) analysis: carrying out superposition analysis processing on the received monitoring data;
drawing a wind speed contour map: and drawing a wind speed contour map of the roadway section based on the analysis result of the monitoring data.
2. The method for observing the multi-section grid of the roadway wind speed according to claim 1, is characterized in that: in the step of calibration, the source tracing calibration method refers to calibrating and calibrating all wind speed sensors in the ground wind tunnel according to a uniform error standard.
3. The method for observing the multi-section grid of the roadway wind speed according to claim 1, is characterized in that: in the step of arranging, the multi-section gridding method means that a plurality of measuring surfaces are sequentially arranged along the extending direction of a roadway, the measuring surfaces are intersected with the extending direction of the roadway, the distance between every two adjacent measuring surfaces is equal, at least one measuring line is arranged on each measuring surface, the intersection of the projection of all the measuring lines on any measuring surface is zero, and a plurality of wind speed sensors are sequentially arranged on the measuring lines along the extending direction of the measuring lines.
4. The method for observing the multi-section grid of the roadway wind speed according to claim 3, characterized by comprising the following steps: the projection of the measuring line on any measuring surface is a measuring line projection, the distance between the adjacent measuring line projections close to the wall of the roadway is smaller than the distance between the adjacent measuring line projections far away from the wall of the roadway, and the distance between the adjacent wind speed sensors close to the wall of the roadway is smaller than the distance between the adjacent wind speed sensors far away from the wall of the roadway.
5. The method for observing the wind speed of the roadway by using the multi-section grids is characterized in that in the step of arranging, the extending direction of the roadway is a Y axis, the width direction of the roadway is an X axis, and the height direction of the roadway is a Z axis;
when the measuring lines are arranged, the distance between the projection of the measuring lines and the wall of the roadway on the side close to the projection of the measuring lines follows Hz＝0.1z(z+1)/2，HzIs the distance between the walls of the roadway on the side where the line of sight is located, HzH is less than or equal to H/2, H is the height of the roadway, and z is the serial number counted from the roadway wall on the side close to the measuring line projection in sequence;
when the wind speed sensor is arranged, the distance between the wind speed sensor and the adjacent roadway wall follows Wx＝0.1x(x+1)/2，WxThe distance between the wind speed sensor and the adjacent one side of the tunnel wall is obtained; wxW is not more than W/2, and W is the width of the roadway; x is a serial number counted by the wind speed sensor from the roadway wall on the side close to the wind speed sensor in sequence;
the step of "arranging" comprises the sub-steps of:
(1) measuring the size of the section of the roadway by using a laser range finder or a measuring tape;
(2) selecting a measuring surface interval l and determining the number of measuring surfaces, determining a specific numerical value of the number N of measuring lines according to the section size of the roadway, and determining the distance between each measuring line and the wall of the roadway according to the number N of measuring lines;
(3) determining the length of a measuring line L according to the size of the section of the roadway, and determining the number n of the wind speed sensors on each measuring line and the distance between each wind speed sensor and the wall of the roadway according to the length of the measuring line L;
(4) and fixedly arranging the wind speed sensors in the roadway according to the distance between each measuring line and the wall of the roadway and the distance between each wind speed sensor and the wall of the roadway.
6. The method for observing the multi-section grid of the roadway wind speed according to claim 3, characterized by comprising the following steps: each measuring surface is provided with only one measuring line, and the measuring lines are sequentially arranged in a stepped manner along the extending direction of the roadway.
7. The method for observing the multi-section grid of the roadway wind speed according to claim 1, is characterized in that: in the step of receiving, synchronous receiving means that the data acquisition terminal is matched with the serial numbers of all the wind speed sensors through software setting, and acquires the monitoring values of all the wind speed sensors at the same time.
8. The method for observing the multi-section grid of the roadway wind speed according to claim 1, is characterized in that: in the step of analyzing, the superposition analysis processing means that data monitored by the wind speed sensors in all the measuring surfaces are firstly superposed on the same measuring surface along the extending direction of the roadway, and then the wind speed distribution rule on the same measuring surface is analyzed.
9. The utility model provides a many sections net check observation system of tunnel wind speed which characterized in that: the multi-section grid observation method for the roadway wind speed according to any one of claims 1 to 8, comprising a wind speed sensor, a wind speed sensor mounting rod and a data acquisition terminal, wherein the wind speed sensor is in signal connection with the data acquisition terminal, the wind speed sensor is arranged on the wind speed sensor mounting rod, a scale groove is arranged on the wind speed sensor mounting rod, and the wind speed sensor is slidably arranged in the scale groove;
the both ends of wind velocity transducer installation pole are provided with the connector respectively, and wind velocity transducer installation pole is a plurality of, connects gradually through the connector between the adjacent wind velocity transducer installation pole, and wind velocity transducer passes through the setting of wind velocity transducer installation pole in the tunnel.
10. The multi-section grid observation system for the roadway wind speed according to claim 9, characterized in that: the data acquisition terminal is a mobile data acquisition terminal, and the wind speed sensor is in wireless signal connection with the mobile data acquisition terminal.
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3047392A1 (en) * | 1979-12-21 | 1981-09-17 | Coal Industry (Patents) Ltd., London | FLUID FLOW MONITOR |
| CN201680823U (en) * | 2010-05-21 | 2010-12-22 | 中国矿业大学 | Dynamic measuring device for roadway surrounding rock deformation |
| CN203192205U (en) * | 2013-03-21 | 2013-09-11 | 安徽工程大学 | Mining wind speed measurement and wireless detection device |
| CN103499388A (en) * | 2013-10-21 | 2014-01-08 | 北京交通大学 | System and method for detecting sound transmission characteristics of tunnel multi-section |
| CN104865403A (en) * | 2015-05-13 | 2015-08-26 | 中国矿业大学 | Gentle wind speed measurement device and method for coal mine tunnel |
| CN205209570U (en) * | 2015-12-16 | 2016-05-04 | 罗杰 | Bushing type lead screw wind table fixing device |
| CN205333674U (en) * | 2015-12-28 | 2016-06-22 | 山西工程技术学院 | Mining portable wind speed survey device |
| CN106446445A (en) * | 2016-10-14 | 2017-02-22 | 辽宁工程技术大学 | Method for measuring average wind velocity of tunnel by single point statistics |
| CN106706949A (en) * | 2017-02-15 | 2017-05-24 | 长安大学 | Wind cup mounting bracket applied to tunnel ventilation air speed or air flow testing |
| CN106703866A (en) * | 2017-03-09 | 2017-05-24 | 辽宁工程技术大学 | Method for distributing mine wind speed sensor |
| CN106837417A (en) * | 2017-02-15 | 2017-06-13 | 刘冲 | Underground coal mine multiple spot wind measuring device |
| CN107576471A (en) * | 2017-08-22 | 2018-01-12 | 甘肃省治沙研究所 | It is a kind of to be used for collection wind speed and the horizontal wind speed instrument support of vertically adjustable multipoint observation in wind-tunnel |
| CN108776236A (en) * | 2018-03-30 | 2018-11-09 | 西安科技大学 | A kind of coal mine roadway sectional wind velocity measuring instrument and its measurement method |
| CN109782017A (en) * | 2019-02-21 | 2019-05-21 | 山东公信安全科技有限公司 | Air flow system is surveyed in mine air duct |
-
2020
- 2020-04-26 CN CN202010340556.0A patent/CN111474380B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3047392A1 (en) * | 1979-12-21 | 1981-09-17 | Coal Industry (Patents) Ltd., London | FLUID FLOW MONITOR |
| CN201680823U (en) * | 2010-05-21 | 2010-12-22 | 中国矿业大学 | Dynamic measuring device for roadway surrounding rock deformation |
| CN203192205U (en) * | 2013-03-21 | 2013-09-11 | 安徽工程大学 | Mining wind speed measurement and wireless detection device |
| CN103499388A (en) * | 2013-10-21 | 2014-01-08 | 北京交通大学 | System and method for detecting sound transmission characteristics of tunnel multi-section |
| CN104865403A (en) * | 2015-05-13 | 2015-08-26 | 中国矿业大学 | Gentle wind speed measurement device and method for coal mine tunnel |
| CN205209570U (en) * | 2015-12-16 | 2016-05-04 | 罗杰 | Bushing type lead screw wind table fixing device |
| CN205333674U (en) * | 2015-12-28 | 2016-06-22 | 山西工程技术学院 | Mining portable wind speed survey device |
| CN106446445A (en) * | 2016-10-14 | 2017-02-22 | 辽宁工程技术大学 | Method for measuring average wind velocity of tunnel by single point statistics |
| CN106706949A (en) * | 2017-02-15 | 2017-05-24 | 长安大学 | Wind cup mounting bracket applied to tunnel ventilation air speed or air flow testing |
| CN106837417A (en) * | 2017-02-15 | 2017-06-13 | 刘冲 | Underground coal mine multiple spot wind measuring device |
| CN106703866A (en) * | 2017-03-09 | 2017-05-24 | 辽宁工程技术大学 | Method for distributing mine wind speed sensor |
| CN107576471A (en) * | 2017-08-22 | 2018-01-12 | 甘肃省治沙研究所 | It is a kind of to be used for collection wind speed and the horizontal wind speed instrument support of vertically adjustable multipoint observation in wind-tunnel |
| CN108776236A (en) * | 2018-03-30 | 2018-11-09 | 西安科技大学 | A kind of coal mine roadway sectional wind velocity measuring instrument and its measurement method |
| CN109782017A (en) * | 2019-02-21 | 2019-05-21 | 山东公信安全科技有限公司 | Air flow system is surveyed in mine air duct |
Non-Patent Citations (3)
| Title |
|---|
| MOHAMMAD AMIN CHITSAZAN: "《Wind Speed Forecasting Using an Echo State Network with Nonlinear Output Functions》", 《2017 AMERICAN CONTROL CONFERENCE (ACC)》 * |
| 宋莹: "《基于激光多普勒测速技术的突扩巷道流场风速 分布研究》", 《光电子·激光》 * |
| 罗广: "《矿井通风网络在线监测技术研究与应用》", 《矿业安全与环保》 * |
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