CN115614104B

CN115614104B - Mining sensor with high safety

Info

Publication number: CN115614104B
Application number: CN202211619019.5A
Authority: CN
Inventors: 陈�峰
Original assignee: Jiangsu Youte'an Intelligent Technology Co ltd
Current assignee: Jiangsu Youte'an Intelligent Technology Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-04-11
Anticipated expiration: 2042-12-16
Also published as: CN115614104A

Abstract

The invention discloses a mine sensor with high safety, relates to the technical field of gas conduction, and mainly solves the technical problems that the content of gas in a well is unstable due to continuous oxygen supply, the well has strict requirements on the oxygen content of air in the well, the current single-power oxygen supply cannot reach the safety index of the work of the well, a lower fixing frame is connected with an upper fixing frame, a bearing plate is arranged on the lower fixing frame, first fixing holes are formed in two ends of the bearing plate, a lower pressing plate is arranged above the bearing plate, a sensor is arranged between the bearing plate and the lower pressing plate, second fixing holes are formed in two ends of the lower pressing plate, the first fixing holes and the second fixing holes are fixed by using matched bolts after being calibrated, and an oxygen supply mode which is not used is adopted according to the actual condition in the well.

Description

Mining sensor with high safety

Technical Field

The invention relates to the technical field of gas conduction, in particular to a mining sensor with high safety.

Background

The sensor is the essential part for realizing automation of the coal mine safety production equipment, the sensor complete degree and series products of the monitoring system have quite the same level, the mine topography is low, the oxygen content of the internal air is low, oxygen needs to be continuously injected into the mine, the internal oxygen supply requirement is maintained, but the continuous oxygen supply can cause unstable gas content in the mine, the mine has strict requirements on the oxygen content of the air in the mine, and the current single-power oxygen supply can not reach the safety index of mine work, so the design of the mine sensor with high safety is necessary.

Disclosure of Invention

The invention aims to provide a mining sensor with high safety so as to solve the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a high mining sensor of security, includes lower mount and upper mount, lower mount and upper mount are connected, set up the loading board on the lower mount, the both ends of loading board set up first fixed orifices, the holding down plate is set up to the loading board top, set up the sensor between loading board and the holding down plate, the both ends of holding down plate set up the second fixed orifices, use supporting bolt fastening behind first fixed orifices and the second fixed orifices alignment position.

According to the technical scheme, an air inlet assembly is installed on the lower fixing frame and comprises an air inlet valve, a first guide pipe, a second guide pipe and a third guide pipe, the air inlet valve is arranged on the lower fixing frame, the first guide pipe is arranged on one side of the air inlet valve, and the second guide pipe and the third guide pipe are arranged on two sides of the first guide pipe in a separated mode;

the second conduit and the third conduit are both connected with a sensor pipeline.

According to the technical scheme, the joints of the two ends of the second conduit and the third conduit are sealed.

According to the technical scheme, the lower fixing frame is further provided with a first clamping assembly, and the first clamping assembly is used for fixing the second conduit and the third conduit;

and a first electromagnetic valve and a second electromagnetic valve are respectively arranged on the second conduit and the third conduit.

According to the technical scheme, the sensor is provided with a fourth guide pipe, and the pipe diameter of the fourth guide pipe is larger than the caliber of the air inlet valve.

According to the technical scheme, the bottom of sensor sets up the downcomer, set up third solenoid valve in the downcomer, demountable installation transfer filter on the mount down, installation pump machine in the transfer filter, the downcomer is installed at the top of transfer filter, set up the fifth pipe on the lateral wall of transfer filter, install the diffusion tube on the end of fifth pipe, the both sides of diffusion tube set up can supply gas exhaust's multilayer exhaust hole.

According to the technical scheme, the lower fixing frame is provided with the second clamping assembly, and the fifth guide pipe is fixed by the second clamping assembly.

According to the technical scheme, still set up the shunt tubes on the sensor, set up fourth solenoid valve on the shunt tubes, the waste gas jar is connected to the shunt tubes, installs the oxygen monitor in the underground mine, oxygen monitor and sensor signal connection.

Compared with the prior art, the invention has the following beneficial effects: according to the underground oxygen supply device, the second conduit and the third conduit are arranged, underground oxygen supply requirements are divided into a negative level, a first level and a second level according to oxygen content values, the negative level oxygen supply requirements are that the underground oxygen content values exceed the standard, the first level oxygen supply requirements are that the underground oxygen content values are low, the second level oxygen supply requirements are that the underground oxygen content values are normal, when the oxygen supply requirements are the first level, the sensor drives the first electromagnetic valve and the second electromagnetic valve to be opened, namely the second conduit and the third conduit supply oxygen simultaneously, the underground oxygen supply is accelerated, when the oxygen supply requirements are the second level, the sensor drives the first electromagnetic valve to be opened and the second electromagnetic valve to be normally closed, namely the second conduit independently supplies oxygen, the normal oxygen supply is provided for the underground, and different oxygen supply modes are adopted according to the actual underground conditions.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is an overall cross-sectional elevational view of the invention;

FIG. 2 is a bottom view of the lower fixing frame of the present invention;

FIG. 3 is an exploded schematic view of the sensor of the present invention;

FIG. 4 is a schematic view of the intake assembly of the present invention;

FIG. 5 is an enlarged view of area A of FIG. 4 in accordance with the present invention;

FIG. 6 is an enlarged schematic view of the area B of FIG. 3 in accordance with the present invention;

in the figure: 1. a lower fixing frame; 2. a sensor; 3. a carrier plate; 31. a first fixing hole; 4. pressing the plate downwards; 41. a second fixing hole; 5. an upper fixing frame;

6. an intake valve; 61. a first conduit; 62. a second conduit; 63. a third conduit; 64. a first clamping assembly; 65. a fourth conduit;

7. a transfer filter; 71. a lower conduit; 72. a fifth conduit; 73. a diffuser tube; 74. a second clamping assembly; 75. a plurality of layers of vent holes;

8. and (4) dividing the tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a mining sensor with high safety comprises a lower fixing frame 1 and an upper fixing frame 5, wherein the lower fixing frame 1 is connected with the upper fixing frame 5 in a bolt fixing mode, a plurality of bolt holes are formed in the lower fixing frame 1 and the upper fixing frame 5, the bolt holes are matched with bolts with matched specifications to fix the sensor on a wall, the sensor shakes during operation, and the sensor is not prone to falling off in a bolt fixing mode;

a bearing plate 3 is fixedly arranged on a lower fixing frame 1, first fixing holes 31 are arranged at two ends of the bearing plate 3, a lower pressing plate 4 is arranged on the bearing plate 3, a sensor 2 is arranged between the bearing plate 3 and the lower pressing plate 4, second fixing holes 41 are arranged at two ends of the lower pressing plate 4, the first fixing hole 31 and the second fixing hole 41 are fixed by using matched bolts after being calibrated, the sensor 2 is fixed by the bearing plate 3 and the lower pressing plate 4, the sensor 2 is used as a replacement product and needs to be replaced or maintained regularly, and the lower pressing plate 4 is controlled by moving the bolts, so that the sensor 2 can be maintained later;

the lower fixing frame 1 is provided with the air inlet valve 6, one side of the air inlet valve 6 is connected with the first conduit 61 through a pipeline, the two ends of the first conduit 61 are equidistantly provided with the second conduit 62 and the third conduit 63, the second conduit 62 and the third conduit 63 are connected with the sensor 2 through a pipeline, the joint of the two ends of the second conduit 62 and the third conduit 63 is sealed, the lower fixing frame 1 is provided with the first clamping component 64, the second conduit 62 and the third conduit 63 are fixed through the first clamping component 64, the first electromagnetic valve and the second electromagnetic valve which are arranged on the second conduit 62 and the third conduit 63 are covered while the second conduit 62 and the third conduit 63 are prevented from shaking, the attractiveness of the second conduit 62 and the third conduit 63 is improved, if the second conduit 62 and the third conduit 63 are continuously in a shaking state, the service lives of the second conduit 62 and the third conduit 63 are shortened, increasing the probability of gas medium leakage, arranging a fourth guide pipe 65 on the sensor 2, wherein the pipe diameter of the fourth guide pipe 65 is larger than the caliber of the gas inlet valve 6, the fourth guide pipe 65 is communicated to the underground through a gas pipe to convey the gas medium underground, arranging a gas pump at the underground section of the gas pipe, the gas medium enters the sensor 2 from a first guide pipe 61 to a second guide pipe 62 or a third guide pipe 63, finally arranging a gas medium flow path discharged by the fourth guide pipe 65, arranging a lower guide pipe 71 at the bottom of the sensor 2, arranging a third electromagnetic valve in the lower guide pipe 71, detachably installing a transfer filter 7 on the lower fixing frame 1, installing a pump in the transfer filter 7, installing the lower guide pipe 71 at the top of the transfer filter 7, arranging a fifth guide pipe 72 on the side wall of the transfer filter 7, installing a diffusion pipe 73 at the end of the fifth guide pipe 72, arranging a plurality of exhaust holes 75 capable of discharging gas on two sides of the diffusion pipe 73, the multiple layers of exhaust holes 75 are respectively arranged on two sides of the diffusion tube 73, and the multiple layers of exhaust holes 75 in each group are arranged at intervals, so that when a gas medium flows out, gas cannot be gathered and exhausted, a second clamping assembly 74 is arranged on the lower fixing frame 1, and the fifth guide tube 72 is fixed by the second clamping assembly 74;

a shunt pipe 8 is further arranged on the sensor 2, a fourth electromagnetic valve is arranged on the shunt pipe 8, the shunt pipe 8 is connected with an exhaust gas tank, an air pressure detector is arranged in the exhaust gas tank, and the air pressure detector detects an air pressure value in the exhaust gas tank in real time;

installing an oxygen monitor in an underground mine, wherein the oxygen monitor is in signal connection with a sensor 2, transmitting an oxygen content value of underground air to the sensor 2 by the oxygen monitor, receiving the oxygen content value by the sensor 2, judging the grade of an underground oxygen supply requirement, dividing the underground oxygen supply requirement into a negative level, a first level and a second level according to the oxygen content value, wherein the negative level oxygen supply requirement is that the underground oxygen supply value exceeds the standard, the first level oxygen supply requirement is that the underground oxygen supply value is low, the second level oxygen supply requirement is that the underground oxygen supply value is normal, when the oxygen supply requirement is the first level, the sensor 2 drives a first electromagnetic valve and a second electromagnetic valve to be opened, namely the second conduit 62 and a third conduit 63 simultaneously supply oxygen, accelerating the underground oxygen supply, when the oxygen supply requirement is the second level, the sensor 2 drives the first electromagnetic valve to be opened and the second electromagnetic valve to be normally closed, namely the second conduit 62 is independent, so as to supply normal oxygen amount underground, according to the actual condition in the pit, an unused oxygen supply mode is adopted, if an oxygen monitor monitors that the oxygen content in the pit exceeds the standard, the sensor 2 drives the air pump to operate, gas in the pit is pumped out through the air pipe, the first electromagnetic valve and the second electromagnetic valve are closed simultaneously during the gas pumping out, the gas is pumped out rapidly, the sensor 2 records the gas pumping-out amount in unit time, the gas pumping-out amount is marked as N1, the oxygen content in the gas in the pit is recovered to be normal, the air pump is closed, the sensor is recovered to be in a secondary oxygen supply demand state, the pumped-out gas enters the transfer filter 7 through the lower guide pipe 71, is discharged to the fifth guide pipe 72 through the transfer filter 7, and is finally discharged through the multilayer exhaust holes 75, so that the gas pumping-out in the pit is realized, the pumping-out flow can be used for manually controlling the sensor 2 and the air pump to pump out the pit except for the pumping-out conditions, and the gas in the pit contains harmful gas, the gas is filtered by the transfer filter 7 to be discharged, meanwhile, the gas is extracted for a long time M1, the total gas extraction amount of this time is calculated to be N2= N1M 1, the transfer filter 7 needs to be replaced regularly, the quantity of N3 gas which can be purified by the transfer filter 7 is set, if N2 exceeds N3, the sensor 2 sends a replacement prompt at the moment, the transfer filter 7 is replaced manually, during the period of replacing the transfer filter 7, the third electromagnetic valve is closed to prevent the waste gas from being discharged without being filtered, the fourth electromagnetic valve is opened to enable the extracted gas to enter the waste gas tank through the shunt pipe 8, the gas is ensured to have no accumulated pressure while the underground gas discharge efficiency is not influenced, the safety of mine equipment needs to be ensured, the third electromagnetic valve is opened when the transfer filter 7 is replaced, the fourth electromagnetic valve is still opened, the distance between the pump and the fourth conduit 65 is small, the gas entering the sensor 2 through the fourth conduit 65 firstly enters the lower conduit 71, then the gas in the waste gas tank is gradually retained by the guide of the pump, and the waste gas is discharged from the fourth conduit 65 to the outside, and the reset electromagnetic valve is ensured;

before the oxygen suppliment in the aforesaid is the well, carry out inner chamber filtration flow to sensor 2:

all the electromagnetic valves except the third electromagnetic valve are closed, the transfer filter 7 is opened, and the gas in the sensor 2 is emptied, so that the gas which is supplied with oxygen and discharged into the well has no waste gas.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The mining sensor with high safety comprises a lower fixing frame (1) and an upper fixing frame (5), wherein the lower fixing frame (1) is connected with the upper fixing frame (5), and is characterized in that a bearing plate (3) is arranged on the lower fixing frame (1), first fixing holes (31) are formed in two ends of the bearing plate (3), a lower pressing plate (4) is arranged above the bearing plate (3), a sensor (2) is arranged between the bearing plate (3) and the lower pressing plate (4), second fixing holes (41) are formed in two ends of the lower pressing plate (4), the first fixing holes (31) and the second fixing holes (41) are fixed through matched bolts after being calibrated, an air inlet assembly is arranged on the lower fixing frame (1) and comprises an air inlet valve (6), a first conduit (61), a second conduit (62) and a third conduit (63), the air inlet valve (6) is arranged on the lower fixing frame (1), the first conduit (61) is arranged on one side of the air inlet valve (6), and the second conduit (62) and the third conduit (63) are arranged on two sides of the first conduit (61);

the second conduit (62) and the third conduit (63) are both in pipe connection with the sensor (2);

a first electromagnetic valve and a second electromagnetic valve are respectively arranged on the second conduit (62) and the third conduit (63);

still set up shunt tubes (8) on sensor (2), set up fourth solenoid valve on shunt tubes (8), waste gas tank is connected in shunt tubes (8), installation oxygen monitor in the underground mine, oxygen monitor and sensor (2) signal connection, oxygen monitor transmits air oxygen content numerical value in the pit to sensor (2), sensor (2) receive oxygen value, judge oxygen supply demand grade in the pit, divide into negative level, one-level and second grade according to oxygen value with oxygen supply demand in the pit, negative level oxygen supply demand exceeds standard for oxygen value in the pit, one-level oxygen supply demand is that oxygen value in the pit is low, second grade oxygen supply demand is that oxygen value in the pit is normal, when oxygen supply demand is one-level, sensor (2) drive first solenoid valve and second solenoid valve open, namely second pipe (62) and third pipe (63) simultaneously, speed-up the oxygen supply in the pit, when oxygen supply demand is the second grade, sensor (2) drive first solenoid valve open and second solenoid valve are normally closed, namely second pipe (62) are independent, provide the normal oxygen supply situation in the pit for the oxygen supply, adopt different oxygen supply modes according to the oxygen supply;

the lower fixing frame (1) is also provided with a first clamping assembly (64), and the first clamping assembly (64) is used for fixing a second conduit (62) and a third conduit (63);

the sensor (2) is provided with a fourth guide pipe (65), and the pipe diameter of the fourth guide pipe (65) is larger than the caliber of the air inlet valve (6).

2. The mining sensor with high safety according to claim 1, characterized in that the joints of the two ends of the second guide pipe (62) and the third guide pipe (63) are sealed.

3. The mining sensor with high safety according to claim 2, wherein a lower guide pipe (71) is arranged at the bottom of the sensor (2), a third electromagnetic valve is arranged in the lower guide pipe (71), a transfer filter (7) is detachably mounted on the lower fixing frame (1), a pump is mounted in the transfer filter (7), the lower guide pipe (71) is mounted at the top of the transfer filter (7), a fifth guide pipe (72) is arranged on the side wall of the transfer filter (7), a diffusion pipe (73) is mounted at the end of the fifth guide pipe (72), and multiple layers of exhaust holes (75) capable of exhausting gas are formed in two sides of the diffusion pipe (73).

4. A mine sensor with high safety according to claim 3, wherein a second clamping assembly (74) is mounted on the lower fixing frame (1), and the second clamping assembly (74) is used for fixing the fifth conduit (72).