CN219869824U - Colliery mine ventilation volume detection device - Google Patents
Colliery mine ventilation volume detection device Download PDFInfo
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- CN219869824U CN219869824U CN202321242486.0U CN202321242486U CN219869824U CN 219869824 U CN219869824 U CN 219869824U CN 202321242486 U CN202321242486 U CN 202321242486U CN 219869824 U CN219869824 U CN 219869824U
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- 238000001514 detection method Methods 0.000 title claims abstract description 170
- 238000009423 ventilation Methods 0.000 title claims abstract description 144
- 239000003245 coal Substances 0.000 claims abstract description 26
- 239000000428 dust Substances 0.000 claims description 14
- 238000004458 analytical method Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 9
- 239000007789 gas Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000006378 damage Effects 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 4
- 238000000691 measurement method Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model provides a ventilation quantity detection device for a coal mine, which comprises a ventilation tunnel, wherein a movable skylight is arranged at the air inlet end of the ventilation tunnel, and is in sliding connection with the inner wall of the ventilation tunnel; a fan module is arranged in the ventilation roadway and comprises an axial flow fan and a first bracket, and the first bracket is used for fixing the axial flow fan; one side that movable skylight was kept away from to fan module is provided with detection module, and detection module is erect along ventilation roadway's direction of height and is set up including detecting casing and wind-bearing plate, and one side swing joint first support of wind-bearing plate, opposite side surface are provided with detection portion, and detection portion stretches into in the detection casing, is provided with pressure detection subassembly in the detection casing, and pressure detection subassembly is used for detecting the pressure that detection portion received. The utility model detects the real-time pressure of the wind-supporting plate to convert the pressure into the ventilation quantity, thereby improving the detection reliability and the measurement accuracy.
Description
Technical Field
The utility model belongs to the technical field of coal mine safety production, and relates to a coal mine ventilation quantity detection device.
Background
Mine ventilation occupies an extremely important position in coal mine production, can continuously convey fresh air to a downhole operation place, is used for diluting and discharging all toxic and harmful gases, dust and water vapor which are gushed out of a downhole coal stratum or formed in the coal production process, regulates downhole climate conditions, creates good production environment, ensures normal operation of mechanical equipment, ensures health and safety of operators, achieves the aim of safe production, and is a necessary condition for guaranteeing safe production of coal mine, preventing and controlling accidents such as gas and coal dust explosion and the like.
At present, in order to guarantee ventilation quantity in the underground operation process, the main fan is used for forcing air flow into a roadway, so that the air flow circulates, and harmful gas and dust are prevented from being accumulated to influence harm. The ventilation flow measurement for the actual use of the mine usually adopts an anemometer measurement method, a piezometer measurement method, a differential pressure meter measurement method and the like. The pressure measuring tube measuring method has the advantages of simple detection structure, convenient manufacture and installation, low price and the like, however, the accuracy of measurement is affected due to the fact that the installation is inaccurate or is not firmly blown by wind flow and deviates from the wind flow direction, and in addition, the pressure measuring hole is easy to be blocked due to the fact that a large amount of impurities, dust and water vapor are mixed in the air flow, so that the flowmeter is invalid, and the accuracy and the reliability of measurement are not guaranteed.
Therefore, it is important to provide a ventilation quantity detection device to provide a more accurate detection result for mine ventilation and wind measurement.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide the ventilation quantity detection device for the coal mine, which has a simple structure, can detect air in a ventilation roadway, enlarges the wind collecting surface, obtains wind pressure by detecting the real-time pressure born by the wind bearing plate, converts the wind pressure into ventilation quantity, and improves the detection reliability and the measurement accuracy.
To achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a ventilation quantity detection device for a coal mine, which comprises a ventilation tunnel, wherein a movable skylight is arranged at the air inlet end of the ventilation tunnel, and the movable skylight is connected with the inner wall of the ventilation tunnel in a sliding manner;
a fan module is arranged in the ventilation roadway and comprises an axial flow fan and a first bracket, wherein the first bracket is used for fixing the axial flow fan;
the fan module is kept away from one side of activity skylight is provided with detection module, detection module is including detecting casing and wind-supporting plate, wind-supporting plate is followed the direction of height of ventilation tunnel erects the setting, one side swing joint of wind-supporting plate first support, opposite side surface are provided with detection portion, detection portion stretches into in the detection casing, be provided with pressure detection subassembly in the detection casing, pressure detection subassembly is used for detecting the pressure that detection portion received.
The ventilation quantity detection device for the coal mine provided by the utility model has the advantages that the structure is simple, the operation is convenient, in the use process, the movable skylight is opened, the ventilation is carried out by utilizing the axial flow fan, the air bearing plate moves under the pushing of the air flow, the air pressure is obtained by detecting the real-time pressure born by the air bearing plate so as to be converted into the ventilation quantity, the air bearing plate is vertically arranged along the height direction of the ventilation roadway, the air collecting surface is enlarged, the detection reliability is improved, the pressure detection assembly is fixed in the detection shell, the pollution or the damage of the pressure detection assembly is avoided, the measurement result is needed, and the detection accuracy of the ventilation quantity is improved.
In the using process, when outdoor air is conveyed to the ventilation tunnel, an axial flow fan is started to blow air into the ventilation tunnel, so that external air enters the ventilation tunnel; when the indoor air of the ventilation tunnel is conveyed outdoors, the rotation direction of the axial flow fan is changed, and air is blown outdoors, so that the air in the ventilation tunnel is discharged.
As a preferable technical scheme of the utility model, the ventilation quantity detection device for the coal mine also comprises a control box, wherein the control box is arranged outside the ventilation roadway, and an analysis editor and an alarm generator which are electrically connected are arranged in the control box.
The control box is electrically connected with the fan module and the detection module respectively, and the analysis editor is used for receiving and analyzing the data signals of the detection module, controlling the start and stop of the axial flow fan and triggering the alarm generator to alarm.
As a preferable technical scheme of the utility model, the movable skylight comprises a movable shell, one end of the movable shell is connected with the inner wall of the top of the ventilation roadway in a sliding manner, the other end of the movable shell is connected with the inner wall of the bottom of the ventilation roadway in a sliding manner, and a plurality of ventilation openings are distributed on the surface of the movable shell.
It should be noted that, the sliding connection manner of the movable housing and the inner wall of the ventilation roadway is not particularly limited, any sliding connection manner known to those skilled in the art can be adopted, and in order to help those skilled in the art to better understand the overall technical scheme and the working process of the present utility model, the present utility model provides the following specific sliding connection manner of the movable housing and the inner wall of the ventilation roadway:
sliding grooves are respectively formed in the surfaces of the top inner wall and the bottom inner wall of the ventilation roadway, rolling wheels are respectively arranged at two ends of the movable shell, the rolling wheels can extend into the sliding grooves and move in the sliding grooves, and meanwhile, in order to avoid air leakage from the movable skylight, sealing rings can be arranged between the movable shell and gaps of the ventilation roadway.
It will be understood, of course, that other connection means capable of sliding the movable housing along the inner wall of the ventilation tunnel are also within the scope of the present utility model, and therefore other connection means not disclosed in the prior art or in the new art may be used in the present utility model as well.
As an optimal technical scheme of the utility model, a second bracket is further arranged in the ventilation roadway, a driving assembly is arranged on the second bracket, and the driving assembly is used for driving the movable skylight to move.
The driving assembly comprises a push rod, one end of the push rod is connected with the movable shell, the other end of the push rod is movably connected with the second support, and the push rod is used for driving the movable shell to move.
It should be noted that, the push rod in the utility model is an electric push rod, and the driving assembly further comprises a driving motor necessary for driving the push rod to move. The second support is fixed in the ventilation tunnel, and the driving motor can be fixed on the second support to drive the push rod to move along the length direction of the ventilation tunnel, and then drive the movable shell to move at the air inlet end. When outdoor air is conveyed to the ventilation tunnel, the push rod is used for controlling the movable shell to move indoors of the ventilation tunnel, so that external air enters the ventilation tunnel; when the indoor air of the ventilation tunnel is conveyed outdoors, the push rod is used for controlling the movable shell to be in an extending state, and air is blown outdoors, so that the air in the ventilation tunnel is discharged. In addition, the utility model adjusts the moving amount of the movable shell based on the detected ventilation amount in the ventilation tunnel, namely, the push rod controls the moving amount of the movable shell so as to reduce or increase the exposure degree of the ventilation opening on the surface of the movable shell, and further adjusts the inlet or the outlet of the air flow. The driving motor can be electrically connected with the control box, and remote control is realized through software and hardware and an electromechanical control technology based on the detection result of the detection module.
As a preferable technical scheme of the utility model, one end of the movable shell, which extends out of the ventilation roadway, is also provided with a filtering component.
The utility model adopts the filter assembly to intercept dust in the outside air, prevent the dust from entering the ventilation tunnel, so that the axial flow fan is blocked, and simultaneously filter the air discharged outdoors, thereby avoiding the discharge of toxic and harmful gases and environmental pollution.
As a preferable technical scheme of the utility model, the detection shell is hung on one side of the wind-supporting plate far away from the first bracket; the wind-supporting plate is movably connected with the first bracket through at least two first reset springs.
As a preferable mode of the present utility model, a pressurizing chamber is further provided in the detection housing, the pressurizing chamber is located between the detection portion and the pressure detection assembly, the detection portion is used for transmitting pressure to the pressurizing chamber, and the pressure detection assembly is used for detecting pressure in the pressurizing chamber.
It should be noted that, in the present utility model, the pressurizing chamber is filled with a solution, and in the detection process, the air flow entering the ventilation tunnel pushes the air bearing plate to move, drives the detection part on the air bearing plate to move in the detection housing, and extrudes the pressurizing chamber, and the pressure detecting component measures the pressure of the pressurizing chamber, so as to obtain the air pressure in the ventilation tunnel, and then the air pressure can be converted into the ventilation quantity.
As a preferable technical scheme of the utility model, the detection part comprises a detection rod, one end of the detection rod is fixedly connected with the wind-supporting plate, the other end of the detection rod stretches into the detection shell, one end of the detection rod, which is close to the pressurizing chamber, is provided with a guide plate, the peripheral wall of the detection rod is also sleeved with a second reset spring, one end of the second reset spring is connected with the guide plate, and the other end of the second reset spring is fixed on the inner wall of the detection shell.
When the air flow in the ventilation roadway is increased, the pressure born by the air bearing plate is increased, so that the detection rod drives the guide plate to move to one side close to the pressurizing cavity, and the guide plate gradually contacts and extrudes the pressurizing cavity to generate pressure on the pressurizing cavity; when the air flow in the air tunnel is reduced, the pressure born by the air bearing plate is reduced, the detection rod drives the guide plate to move to one side far away from the pressurizing cavity, the pressure in the pressurizing cavity is reduced, and the pressure change in the pressurizing cavity is detected and fed back through the pressure detection assembly.
As a preferable technical scheme of the utility model, the inner cavity wall of the detection shell is also provided with a first stop block and a second stop block, the first stop block and the second stop block are respectively positioned at two ends of the guide plate, and the first stop block and the second stop block are used for limiting the guide plate.
By arranging the first stop block and the second stop block, the utility model avoids the damage of parts caused by the fact that the detection part is pulled out of the detection shell when the wind bearing plate moves excessively to the direction close to the axial flow fan when the ventilation tunnel exhausts or the air inlet in the ventilation tunnel suddenly decreases.
As a preferable technical scheme of the utility model, the detection module further comprises a dust cover body fixed on the inner wall of the ventilation tunnel, and a gas concentration detection assembly is arranged in the dust cover body and used for detecting the air quality in the ventilation tunnel.
The outside of the dustproof cover body is provided with a temperature detection component, and the temperature detection component is used for detecting the air temperature in the ventilation roadway.
Compared with the prior art, the utility model has the beneficial effects that:
the ventilation quantity detection device for the coal mine provided by the utility model has the advantages that the structure is simple, the operation is convenient, in the use process, the movable skylight is opened, the ventilation is carried out by utilizing the axial flow fan, the air bearing plate moves under the pushing of the air flow, the air pressure is obtained by detecting the real-time pressure born by the air bearing plate so as to be converted into the ventilation quantity, the air bearing plate is vertically arranged along the height direction of the ventilation roadway, the air collecting surface is enlarged, the detection reliability is improved, the pressure detection assembly is fixed in the detection shell, the pollution or the damage of the pressure detection assembly is avoided, the measurement result is needed, and the detection accuracy of the ventilation quantity is improved.
Drawings
FIG. 1 is a schematic diagram of a ventilation detecting device for a coal mine according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a detection housing according to an embodiment of the present utility model.
Wherein, 1-ventilation roadway; 2-a movable skylight; 3-an axial flow fan; 4-a first scaffold; 5-a detection housing; 6-wind bearing plates; 7-a pressure detection assembly; 8, a control box; 9-moving the housing; 10-a second scaffold; 11-push rod; 12-a filter assembly; 13-a pressurized chamber; 14-a first return spring; 15-a detection rod; 16-guide plates; 17-a second return spring; 18-a first stop; 19-a second stop; 20-a dust cover body; 21-a gas concentration detection assembly; 22-temperature detection assembly.
Detailed Description
It is to be understood that in the description of the present utility model, the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus are not to be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
It should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.
The utility model provides a ventilation quantity detection device for a coal mine, which is shown in fig. 1 and comprises a ventilation tunnel 1, wherein a movable skylight 2 is arranged at the air inlet end of the ventilation tunnel 1, and the movable skylight 2 is connected with the inner wall of the ventilation tunnel 1 in a sliding manner. The ventilation roadway 1 is internally provided with a fan module, the fan module comprises an axial flow fan 3 and a first bracket 4, and the first bracket 4 is used for fixing the axial flow fan 3. In the using process, when outdoor air is conveyed to the ventilation tunnel 1, the axial flow fan 3 is started to blow air into the ventilation tunnel 1, so that external air enters the ventilation tunnel 1; when the indoor air of the ventilation tunnel 1 is conveyed outdoors, the rotation direction of the axial flow fan 3 is changed, and the air is blown outdoors, so that the air in the ventilation tunnel 1 is discharged.
The fan module is kept away from one side of activity skylight 2 is provided with detection module, as shown in fig. 2, detection module is including detecting casing 5 and wind-supporting plate 6, wind-supporting plate 6 is followed the direction of height of ventilation roadway 1 erects the setting, one side of wind-supporting plate 6 is through two at least first reset spring 14 swing joint first support 4, the opposite side surface is provided with detection portion, detection portion stretches into in the detecting casing 5, be provided with pressure detection subassembly 7 in the detecting casing 5, pressure detection subassembly 7 is used for detecting the pressure that detection portion received.
In some embodiments, the ventilation volume detection device for the coal mine further comprises a control box 8, the control box 8 is arranged outside the ventilation roadway 1, and an analysis editor and an alarm generator which are electrically connected are arranged in the control box 8. The control box 8 is electrically connected with the fan module and the detection module respectively, and the analysis editor is used for receiving and analyzing the data signals of the detection module, controlling the start and stop of the axial flow fan 3 and triggering the alarm generator to alarm.
In some embodiments, the movable skylight 2 includes a movable housing 9, one end of the movable housing 9 is slidably connected to the top inner wall of the ventilation roadway 1, the other end is slidably connected to the bottom inner wall of the ventilation roadway 1, and a plurality of ventilation openings are distributed on the surface of the movable housing 9. In the utility model, sliding grooves are respectively formed along the surfaces of the top inner wall and the bottom inner wall of the ventilation roadway 1, rolling wheels are respectively arranged at two ends of the movable shell 9, the rolling wheels can extend into the sliding grooves and move in the sliding grooves, and meanwhile, in order to avoid air leakage from the movable skylight 2, a sealing ring can be arranged between the movable shell 9 and a gap of the ventilation roadway 1. The ventilation roadway 1 is internally provided with a second bracket 10, and the second bracket 10 is provided with a driving assembly which is used for driving the movable skylight 2 to move. The driving assembly comprises a push rod 11, one end of the push rod 11 is connected with the movable shell 9, the other end of the push rod 11 is movably connected with the second bracket 10, and the push rod 11 is used for driving the movable shell 9 to move. The push rod 11 in the utility model is an electric push rod 11, and the driving assembly also comprises a driving motor which is necessary for driving the push rod 11 to move. The second bracket 10 is fixed in the ventilation tunnel 1, and a driving motor can be fixed on the second bracket 10 to drive the push rod 11 to move along the length direction of the ventilation tunnel 1, so as to drive the movable housing 9 to move at the air inlet end. When outdoor air is conveyed to the ventilation tunnel 1, the push rod 11 is used for controlling the movable shell 9 to move indoors of the ventilation tunnel 1, so that the external air enters the ventilation tunnel 1; when the indoor air of the ventilation tunnel 1 is conveyed to the outside, the push rod 11 is used for controlling the movable shell 9 to be in a stretching state and blowing air to the outside, so that the air in the ventilation tunnel 1 is discharged. In addition, the present utility model adjusts the movement amount of the movable housing 9, that is, the movement amount of the push rod 11 controlling the movable housing 9, based on the detected ventilation amount in the ventilation tunnel 1, to reduce or increase the exposure degree of the ventilation opening on the surface of the movable housing 9, thereby adjusting the intake or discharge amount of the air flow. The driving motor of the utility model can be electrically connected with the control box 8, and based on the detection result of the detection module, the remote control is realized through software and hardware and an electromechanical control technology. The one end that removes casing 9 stretch out ventilation tunnel 1 still is provided with filter component 12, can hold back the dust in the outside air, prevents that it from getting into in the ventilation tunnel 1, leads to axial fan 3 to take place to block up, filters to outdoor exhaust air simultaneously, avoids poisonous and harmful gas to discharge, leads to environmental pollution.
In some embodiments, the detecting housing 5 may be suspended and fixed to a side of the wind-supporting plate 6 away from the first bracket 4 by a supporting rod, so as to avoid sloshing. The detection housing 5 is further internally provided with a pressurizing chamber 13, the pressurizing chamber 13 is located between the detection part and the pressure detection assembly 7, the detection part is used for transmitting pressure to the pressurizing chamber 13, and the pressure detection assembly 7 is used for detecting the pressure in the pressurizing chamber 13. In the utility model, the pressurizing chamber 13 is filled with a solution, and in the detection process, air flow entering the ventilation roadway 1 pushes the air bearing plate 6 to move, so as to drive a detection part on the air bearing plate 6 to move in the detection shell 5, the pressurizing chamber 13 is extruded, the pressure detecting component 7 measures the pressure of the pressurizing chamber 13, namely, the air pressure in the ventilation roadway 1 is obtained, and then the air pressure can be converted into ventilation quantity. The detection portion includes detection pole 15, the one end fixed connection of detection pole 15 hold aerofoil 6, the other end stretches into in the detection casing 5, detection pole 15 is close to the one end of pressurization cavity 13 is provided with deflector 16, still the cover is equipped with second reset spring 17 on the periphery wall of detection pole 15, the one end of second reset spring 17 is connected deflector 16, the other end is fixed in the inner wall of detection casing 5. The pressure detection assembly 7 is electrically connected with the control box 8, when the air flow in the ventilation roadway 1 is increased, the pressure born by the air bearing plate 6 is increased, so that the detection rod 15 drives the guide plate 16 to move to one side close to the pressurizing chamber 13, gradually contacts and extrudes the pressurizing chamber 13, and generates pressure on the pressurizing chamber 13; when the air flow in the air tunnel is reduced, the pressure born by the air bearing plate 6 is reduced, the detection rod 15 drives the guide plate 16 to move to the side far away from the pressurizing chamber 13, the pressure in the pressurizing chamber 13 is reduced, and the pressure change in the pressurizing chamber 13 is detected and fed back through the pressure detection assembly 7.
In some embodiments, the inner cavity wall of the detection housing 5 is further provided with a first stop block 18 and a second stop block 19, the first stop block 18 and the second stop block 19 are respectively located at two ends of the guide plate 16, the first stop block 18 and the second stop block 19 are used for limiting the guide plate 16, and when the ventilation roadway 1 exhausts or the air intake in the ventilation roadway 1 suddenly decreases, excessive movement of the air bearing plate 6 in a direction close to the axial flow fan 3 is avoided, so that the detection portion withdraws the detection housing 5, and damage to components is caused.
In some embodiments, the detection module further comprises a dust cover body 20 fixed on the inner wall of the ventilation roadway 1, and a gas concentration detection assembly 21 is arranged in the dust cover body 20, and the gas concentration detection assembly 21 is used for detecting the air quality in the ventilation roadway 1. The outside of the dust cover body 20 is provided with a temperature detection component 22, and the temperature detection component 22 is used for detecting the air temperature in the ventilation roadway 1.
The gas concentration detection assembly 21 and the temperature detection assembly 22 can be electrically connected with the control box 8, the gas concentration detection assembly 21 collects concentration value signals of different gases of the air in the ventilation roadway 1 and feeds back the concentration value signals to the control box 8, the temperature detection assembly 22 collects temperature signals of the air in the ventilation roadway 1 and feeds back the temperature signals to the control box 8, and the analysis editor receives and analyzes the concentration value signals and the temperature signals of the detection module so as to control the start and stop of the axial flow fan 3 and trigger the alarm generator to alarm.
The ventilation quantity detection device for the coal mine provided by the utility model has the advantages that the structure is simple, the operation is convenient, in the use process, the movable skylight 2 is opened, the axial flow fan 3 is utilized for ventilation, the air bearing plate 6 moves under the pushing of air flow, the air pressure is obtained by detecting the real-time pressure born by the air bearing plate 6 and is converted into the ventilation quantity, the air bearing plate 6 is vertically arranged along the height direction of the ventilation roadway 1, the air collection surface is enlarged, the detection reliability is improved, the pressure detection assembly 7 is fixed in the detection shell 5, the pollution or the damage of the pressure detection assembly is avoided, the measurement result is needed, and the detection accuracy of the ventilation quantity is improved.
The applicant declares that the above is only a specific embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and it should be apparent to those skilled in the art that any changes or substitutions that are easily conceivable within the technical scope of the present utility model disclosed by the present utility model fall within the scope of the present utility model and the disclosure.
Claims (10)
1. The ventilation quantity detection device for the coal mine is characterized by comprising a ventilation tunnel, wherein a movable skylight is arranged at the air inlet end of the ventilation tunnel, and the movable skylight is slidably connected with the inner wall of the ventilation tunnel;
a fan module is arranged in the ventilation roadway and comprises an axial flow fan and a first bracket, wherein the first bracket is used for fixing the axial flow fan;
the fan module is kept away from one side of activity skylight is provided with detection module, detection module is including detecting casing and wind-supporting plate, wind-supporting plate is followed the direction of height of ventilation tunnel erects the setting, one side swing joint of wind-supporting plate first support, opposite side surface are provided with detection portion, detection portion stretches into in the detection casing, be provided with pressure detection subassembly in the detection casing, pressure detection subassembly is used for detecting the pressure that detection portion received.
2. The ventilation quantity detection device for the coal mine, according to claim 1, further comprising a control box, wherein the control box is arranged outside the ventilation roadway, and an analysis editor and an alarm generator which are electrically connected are arranged in the control box;
the control box is electrically connected with the fan module and the detection module respectively, and the analysis editor is used for receiving and analyzing the data signals of the detection module, controlling the start and stop of the axial flow fan and triggering the alarm generator to alarm.
3. The ventilation quantity detection device for coal mines according to claim 1, wherein the movable skylight comprises a movable shell, one end of the movable shell is slidably connected with the inner wall of the top of the ventilation tunnel, the other end of the movable shell is slidably connected with the inner wall of the bottom of the ventilation tunnel, and a plurality of ventilation openings are distributed on the surface of the movable shell.
4. The ventilation quantity detection device for the coal mine shaft according to claim 3, wherein a second support is further arranged in the ventilation roadway, a driving assembly is arranged on the second support, and the driving assembly is used for driving the movable skylight to move;
the driving assembly comprises a push rod, one end of the push rod is connected with the movable shell, the other end of the push rod is movably connected with the second support, and the push rod is used for driving the movable shell to move.
5. The ventilation quantity detection device for coal mines according to claim 4, wherein a filtering component is further arranged at one end of the movable housing extending out of the ventilation tunnel.
6. The ventilation quantity detection device for the coal mine shaft according to claim 1, wherein the detection shell is hung on one side of the air bearing plate away from the first bracket;
the wind-supporting plate is movably connected with the first bracket through at least two first reset springs.
7. The ventilation volume detection device for coal mines according to claim 1, wherein a pressurizing chamber is further arranged in the detection housing, the pressurizing chamber is located between the detection portion and the pressure detection assembly, the detection portion is used for transmitting pressure to the pressurizing chamber, and the pressure detection assembly is used for detecting the pressure in the pressurizing chamber.
8. The ventilation quantity detection device for coal mines according to claim 7, wherein the detection part comprises a detection rod, one end of the detection rod is fixedly connected with the wind-supporting plate, the other end of the detection rod stretches into the detection shell, one end of the detection rod, which is close to the pressurizing chamber, is provided with a guide plate, a second reset spring is further sleeved on the peripheral wall of the detection rod, one end of the second reset spring is connected with the guide plate, and the other end of the second reset spring is fixed on the inner wall of the detection shell.
9. The ventilation quantity detection device for the coal mine shaft according to claim 8, wherein a first stop block and a second stop block are further arranged on the inner cavity wall of the detection shell, the first stop block and the second stop block are respectively located at two ends of the guide plate, and the first stop block and the second stop block are used for limiting the guide plate.
10. The ventilation quantity detection device for the coal mine shaft according to claim 1, wherein the detection module further comprises a dust cover body fixed on the inner wall of the ventilation roadway, and a gas concentration detection assembly is arranged in the dust cover body and used for detecting the air quality in the ventilation roadway;
the outside of the dustproof cover body is provided with a temperature detection component, and the temperature detection component is used for detecting the air temperature in the ventilation roadway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321242486.0U CN219869824U (en) | 2023-05-22 | 2023-05-22 | Colliery mine ventilation volume detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321242486.0U CN219869824U (en) | 2023-05-22 | 2023-05-22 | Colliery mine ventilation volume detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219869824U true CN219869824U (en) | 2023-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321242486.0U Active CN219869824U (en) | 2023-05-22 | 2023-05-22 | Colliery mine ventilation volume detection device |
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2023
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