CN111640283B - Underground carbon monoxide detection alarm device - Google Patents
Underground carbon monoxide detection alarm device Download PDFInfo
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- CN111640283B CN111640283B CN202010589748.5A CN202010589748A CN111640283B CN 111640283 B CN111640283 B CN 111640283B CN 202010589748 A CN202010589748 A CN 202010589748A CN 111640283 B CN111640283 B CN 111640283B
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- G08B21/02—Alarms for ensuring the safety of persons
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Abstract
The invention discloses an underground carbon monoxide detection alarm device which comprises a fixing mechanism, wherein a detection mechanism is arranged below the fixing mechanism, a flow guide mechanism is fixedly arranged on the lower surface of the detection mechanism, and an air inlet mechanism is arranged on the outer surface of the flow guide mechanism. According to the underground carbon monoxide detection alarm device, the amount of solid particles and water vapor on the first filter screen and the dehumidifying membrane is monitored in real time through the arranged air inlet mechanism and the flow guide mechanism, excessive solid particles and water vapor are shaken off in time, the air inlet is prevented from being blocked by the solid particles and the water vapor, the problem that detection is inaccurate due to the fact that the solid particles and the water vapor under a mine are more and gas inlets are easy to block is solved, and the underground carbon monoxide detection alarm device has certain creativity and practicability.
Description
Technical Field
The invention relates to the field of mine safety, in particular to the field of underground carbon monoxide detection and alarm devices.
Background
When carrying out the exploitation to the mine, need carry out real-time supervision to harmful gas such as carbon monoxide under the mine, at this moment just need a carbon monoxide in pit to detect alarm device, current carbon monoxide in pit detects alarm device and has some problems, firstly, solid particle and steam are more under the mine, easily block up gas inlet, lead to detecting inaccurately, secondly, the mine is easy to take place the vibration when the exploitation, the vibration can influence carbon monoxide in pit and detect alarm device's life-span and detection precision, to these problems, we propose a carbon monoxide in pit and detect alarm device.
Disclosure of Invention
The invention mainly aims to provide an underground carbon monoxide detection alarm device, which can effectively solve the problems in the background technology: solid particles and water vapor under a mine are more, so that a gas inlet is easily blocked, and the detection is inaccurate; the mine is easy to vibrate during mining, and the vibration can influence the service life and the detection precision of the underground carbon monoxide detection alarm device.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a carbon monoxide detects alarm device in pit, includes fixed establishment, fixed establishment's below is provided with detection mechanism, detection mechanism's lower fixed surface installs water conservancy diversion mechanism, water conservancy diversion mechanism's surface is provided with the mechanism of admitting air.
Further, the fixing mechanism comprises a fixing plate, the fixing plate is suitable for fixing the alarm device and a mine wall, a thread groove is formed in the surface of the fixing mechanism and is suitable for fixing the fixing plate and the wall through threads, a limiting pipe is fixedly arranged on the lower surface of the fixing plate, the inner edge of the limiting pipe is movably sleeved with the detection mechanism, the limiting pipe is suitable for limiting the position of the detection mechanism in the vibration process, a display screen is fixedly arranged on the outer surface of the limiting pipe and is suitable for displaying the concentration of carbon monoxide under the mine in real time, a damping spring is fixedly arranged on the lower surface of the fixing plate and inside the limiting pipe, the lower end of the damping spring is fixedly connected with the detection mechanism, a flexible sleeve is fixedly arranged on the inner edge of the bottom of the limiting pipe, and the damping spring is suitable for reducing the influence of vibration under the mine on the detection mechanism, the flexible sleeve is suitable for preventing the detection mechanism from being damaged when colliding with the limiting pipe.
Further, fixed ring has been cup jointed to detection mechanism's external fixation, fixed ring is suitable for fixing and convenient to detach detection mechanism's casing, the middle part fixed mounting of fixed ring's surface has the alarm, the alarm is suitable for and sends the alarm sound when carbon monoxide concentration exceeds the threshold value, fixed ring's surface and the both sides fixed mounting that is located the alarm have the warning light, the warning light is suitable for and sends the scintillation when carbon monoxide concentration exceeds the threshold value, detection mechanism's last fixed surface installs the limiting plate, the upper surface of limiting plate and damping spring's bottom fixed connection, the limiting plate is suitable for and slides the position with restriction detection mechanism at limiting groove inside, the bottom side fixedly connected with flexible pad of limiting plate, the rigid collision of spacing pipe and limiting plate when flexible pad is suitable for preventing vibration.
Furthermore, a detection cavity is arranged inside the detection mechanism and is suitable for accurately detecting the concentration of the carbon monoxide, a controller is fixedly arranged in the detection mechanism and below the detection cavity, the output end of the controller is electrically connected with the detection cavity, the display screen, the alarm, the warning lamp and the air inlet mechanism, the controller is suitable for controlling the detection process of the detection cavity, comparing the detection result with a system set value and displaying the detection result on the display screen, and controls the operation of the alarm, the warning lamp and the air inlet mechanism, the bottom of the flow guide mechanism is fixedly provided with a bottom plate, the outer surface of the flow guide mechanism is fixedly provided with a flow guide plate, the flow guide plate is suitable for guiding gas in a mine into the gas inlet mechanism, and a gas inlet is formed in the outer surface of the flow guide mechanism and positioned between the two flow guide plates.
Further, the interior edge of air inlet is provided with fixed frame No. one, No. one filter screen of inside fixedly connected with of fixed frame, No. one the filter screen is suitable for and filters most solid particle in the pit, prevents that solid particle from influencing and detecting the precision and preventing solid particle from blockking up the air inlet simultaneously, the output and the detection chamber of air inlet are connected, there is the connecting rod inner edge fixed mounting of air inlet, the bottom fixed mounting of air inlet has the baffle, the connecting rod is suitable for being connected of air inlet and fixed frame No. one, the baffle is suitable for the bottom of fixed frame and the fixed of air inlet No. one, the fixed slot has been seted up No. one to the surface of baffle.
Further, the surface of baffle and the both sides that are located the fixed slot are seted up flutedly, the trepanning has been seted up on the upper portion of fixed frame, the internal surface and the connecting rod activity of trepanning cup joint, a plurality of honeycomb holes have been seted up on the surface of a filter screen, honeycomb holes are suitable for the area of contact who increases a filter screen and outside solid particle to increase the adsorption capacity to solid particle, the dorsal part fixed mounting of fixed frame has fixed frame No. two, the surface of fixed frame No. two and fixed frame fixed connection, No. two fixed slots have been seted up to the internal surface of fixed frame, the inside fixed mounting of fixed slot has the dehumidification membrane No. two, the dehumidification membrane is suitable for getting rid of the steam of adulteration in gas, avoids steam to produce the influence to the testing result.
Furthermore, a magnet block is fixedly mounted at the bottom of the first fixing frame and below the second fixing frame, reciprocating springs are fixedly mounted at the bottom of the first fixing frame and on two sides of the magnet block, one end of each reciprocating spring, far away from the first fixing frame, is fixedly connected with the groove, a slot is formed in the inner edge of the second fixing frame, the inner surface of the slot is fixedly connected with the upper end of the dehumidifying film, one side of each magnet, far away from the first fixing frame, is magnetically connected with an electromagnet, one side of each electromagnet, far away from the magnet block, is fixedly mounted with a tension sensor, a water tank is formed in the bottom of the second fixing frame, the magnet block is suitable for being attracted by the electromagnet to fix the first fixing frame and the second fixing frame, the tension sensor is suitable for monitoring tension generated by the electromagnet in real time, so that the quantity of solid particles and water vapor on the first filter screen and the dehumidifying film can be analyzed, and transmit the testing result to the controller, the power off of controller control electro-magnet releases the magnetic path, and fixed frame and No. two are fixed under reciprocating spring's vibration, shake off the solid particle on a filter screen surface and the steam on dehumidification membrane surface on ground, prevent that solid particle and steam on a filter screen and the dehumidification membrane are too much, thereby gaseous unable entering detection chamber such as carbon monoxide produces the influence to the testing result.
Further, the underground carbon monoxide detection alarm device comprises the following use steps:
a: fixing a device fixing plate on the wall surface of a mine through a bolt groove, respectively connecting a data transmission port of a controller with a display screen, an alarm, a warning light, a detection cavity, an electromagnet and a tension sensor, wherein gas and solid particles in the mine enter the detection cavity through a first filter screen and a dehumidification membrane for detection, the first filter screen filters most solid particles in the mine, the solid particles are prevented from influencing detection precision, meanwhile, the solid particles are prevented from blocking an air inlet, the dehumidification membrane removes water vapor doped in the gas, the water vapor is prevented from influencing a detection result, the alarm gives an alarm sound when the concentration of carbon monoxide exceeds a threshold value, the warning light gives out a flash when the concentration of the carbon monoxide exceeds the threshold value, and the display screen displays the concentration of the carbon monoxide in the mine in real time under the control of the controller;
after the step A is finished, when vibration occurs in the mine, the damping spring reduces the influence of the vibration occurring under the mine on the detection mechanism, the flexible sleeve prevents the detection mechanism from being damaged when colliding with the limiting pipe, the limiting pipe limits the position of the detection mechanism in the vibration process, the bottom side of the limiting plate is fixedly connected with a flexible cushion, and the flexible cushion prevents the limiting pipe from rigidly colliding with the limiting plate when vibrating, so that the influence of the vibration in the mine on the measurement precision of the device is prevented;
and C, after the step B is completed, the tension sensor monitors tension generated by the electromagnet in real time so as to analyze the amount of solid particles and water vapor on the first filter screen and the dehumidifying membrane, the detection result is transmitted to the controller, when the controller judges that the solid particles and the water vapor are excessive, the controller controls the electromagnet to be powered off and releases the magnetic blocks, the first fixing frame and the second fixing frame shake the solid particles on the surface of the first filter screen and the water vapor on the surface of the dehumidifying membrane on the ground under the vibration of the reciprocating spring, so that the solid particles and the water vapor on the surfaces of the first filter screen and the dehumidifying membrane are prevented from being excessive, and gases such as carbon monoxide cannot enter the detection cavity so as to influence the detection result.
Compared with the prior art, the invention has the following beneficial effects:
1. through the air inlet mechanism and the flow guide mechanism, the amount of solid particles and water vapor on the first filter screen and the dehumidifying membrane is monitored in real time, excessive solid particles and water vapor are shaken off in time, the air inlet is prevented from being blocked by the solid particles and the water vapor, the problem that gas inlets are easily blocked by the solid particles and the water vapor under a mine is solved, the detection is inaccurate, certain creativity and practicability are achieved, when the gas purifier is used, the pulling force generated by the electromagnet is monitored by the pulling force sensor in real time, so that the amount of the solid particles and the water vapor on the first filter screen and the dehumidifying membrane is analyzed, the detection result is transmitted to the controller, when the controller judges that the amount of the solid particles and the water vapor is excessive, the controller controls the electromagnet to be powered off, the magnetic blocks are released, the first fixing frame and the second fixing frame shake off the solid particles on the surface of the first filter screen and the water vapor on the surface of the dehumidifying membrane on the ground under the vibration of the reciprocating spring, prevent that solid particle and steam on filter screen and the dehumidification membrane are too much, thereby gas such as carbon monoxide can't get into the detection chamber and produce the influence to the testing result.
2. Through the fixed establishment and the detection mechanism cooperation that set up use, can effectively reduce detection mechanism's vibration frequency, in order to solve the mine and easily take place the vibration when the exploitation, the vibration can influence the life-span of carbon monoxide detection alarm device in the pit and the problem of detection precision, when using, when the inside vibration that takes place of mine, damping spring reduces the vibration that the mine below takes place and to detection mechanism's influence, flexible cover causes the damage when preventing detection mechanism and spacing pipe from bumping, spacing pipe restricts detection mechanism's position in the vibration process, the bottom side fixedly connected with flexible pad of limiting plate, the rigid collision of spacing pipe and limiting plate when flexible pad prevents the vibration, prevent the influence of the inside vibration of mine to device measurement accuracy like this.
Drawings
Fig. 1 is a schematic overall structure diagram of a downhole carbon monoxide detection alarm device according to the invention.
FIG. 2 is a schematic view of the inside of a fixing mechanism of the underground carbon monoxide detection alarm device.
FIG. 3 is a schematic view of an air intake mechanism of the downhole carbon monoxide detection alarm device.
FIG. 4 is a partial schematic view of an air intake mechanism of the downhole carbon monoxide detection alarm device.
FIG. 5 is a schematic cross-sectional view of an air intake mechanism of the downhole carbon monoxide detection alarm device according to the present invention.
FIG. 6 is a schematic view of a fixing frame of the underground carbon monoxide detection alarm device.
In the figure: 1. a fixing mechanism; 2. a detection mechanism; 3. a flow guide mechanism; 4. an air intake mechanism; 101. a fixing plate; 102. a thread groove; 103. a limiting pipe; 104. a display screen; 105. a damping spring; 106. a flexible sleeve; 201. a fixing ring; 202. an alarm; 203. a warning light; 204. a limiting plate; 205. a flexible pad; 206. a detection chamber; 207. a controller; 301. a base plate; 302. a baffle; 401. an air inlet; 402. a first fixing frame; 403. a first filter screen; 404. a connecting rod; 405. a baffle plate; 406. a first fixing groove; 407. a groove; 408. trepanning; 409. honeycomb holes; 410. a second fixing frame; 411. a second fixing groove; 412. a dehumidifying film; 413. a magnetic block; 414. a reciprocating spring; 415. a slot; 416. an electromagnet; 417. a tension sensor; 418. a water tank.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
As shown in fig. 1-6, the underground carbon monoxide detection alarm device comprises a fixing mechanism (1), a detection mechanism (2) is arranged below the fixing mechanism (1), a diversion mechanism (3) is fixedly arranged on the lower surface of the detection mechanism (2), and an air inlet mechanism (4) is arranged on the outer surface of the diversion mechanism (3).
A detection cavity (206) is formed in the detection mechanism (2), the detection cavity (206) is suitable for accurately detecting the concentration of carbon monoxide, a controller (207) is fixedly installed in the detection mechanism (2) and below the detection cavity (206), the output end of the controller (207) is electrically connected with the detection cavity (206), a display screen (104), an alarm (202), a warning lamp (203) and an air inlet mechanism (4), the controller (207) is suitable for controlling the detection process of the detection cavity (206) to compare the detection result with a system set value and further display the detection result on the display screen (104) and control the operation of the alarm (202), the warning lamp (203) and the air inlet mechanism (4), a bottom plate (301) is fixedly installed at the bottom of the flow guide mechanism (3), and a flow guide plate (302) is fixedly installed on the outer surface of the flow guide mechanism (3), the guide plates (302) are suitable for guiding gas in a mine into the gas inlet mechanism (4), and the outer surface of the guide mechanism (3) and the position between the two guide plates (302) are provided with gas inlets (401).
The interior edge of air inlet (401) is provided with fixed frame (402) No. one, filter screen (403) of the inside fixedly connected with of fixed frame (402) No. one, filter screen (403) are suitable for and filter most solid particle in the pit of mine, prevent that solid particle from influencing and detecting precision and prevent that solid particle from blockking up air inlet (401) simultaneously, the output and the detection chamber (206) of air inlet (401) are connected, there are connecting rod (404) interior edge fixed mounting of air inlet (401), the bottom fixed mounting of air inlet (401) has baffle (405), connecting rod (404) are suitable for being connected of air inlet (401) and fixed frame (402) No. one, baffle (405) are suitable for the bottom of fixed frame (402) and the fixed of air inlet (401) No. one, fixed slot (406) has been seted up to the surface of baffle (405).
The outer surface of the baffle (405) and two sides of the first fixing groove (406) are provided with grooves (407), the upper part of the first fixing frame (402) is provided with a sleeve hole (408), the inner surface of the sleeve hole (408) is movably sleeved with a connecting rod (404), the surface of the first filter screen (403) is provided with a plurality of honeycomb holes (409), the honeycomb holes (409) are suitable for increasing the contact area between the first filter screen (403) and external solid particles so as to increase the adsorption amount of the solid particles, the back side of the first fixing frame (402) is fixedly provided with a second fixing frame (410), the outer surface of the second fixing frame (410) is fixedly connected with the first fixing frame (402), the inner surface of the second fixing frame (410) is provided with a second fixing groove (411), the inside of the second fixing frame (411) is fixedly provided with a dehumidifying film (412), and the dehumidifying film (412) is suitable for removing water vapor doped in gas, and the influence of water vapor on the detection result is avoided.
The bottom of the first fixing frame (402) is fixedly provided with a magnetic block (413) below the second fixing frame (410), the bottom of the first fixing frame (402) is fixedly provided with a reciprocating spring (414) at two sides of the magnetic block (413), one end of the reciprocating spring (414) far away from the first fixing frame (402) is fixedly connected with a groove (407), the inner edge of the second fixing groove (411) is provided with a slot (415), the inner surface of the slot (415) is fixedly connected with the upper end of a dehumidification film (412), one side of the magnetic block (413) far away from the first fixing frame (402) is magnetically connected with an electromagnet (416), one side of the electromagnet (416) far away from the magnetic block (413) is fixedly provided with a tension sensor (417), the bottom of the second fixing frame (410) is provided with a water tank (418), and the magnetic block (413) is suitable for being attracted with the electromagnet (416) to fix the first fixing frame (402) and the second fixing frame (410), the tension sensor (417) is suitable for monitoring the tension generated by the electromagnet (416) in real time, so that the quantities of solid particles and water vapor on the first filter screen (403) and the dehumidifying membrane (412) are analyzed, the detection result is transmitted to the controller (207), the controller (207) controls the electromagnet (416) to be powered off, the magnetic blocks (413) are released, the first fixing frame (402) and the second fixing frame (410) are used for dropping the solid particles on the surface of the first filter screen (403) and the water vapor on the surface of the dehumidifying membrane (412) on the ground under the vibration of the reciprocating spring (414), the solid particles and the water vapor on the surface of the first filter screen (403) and the dehumidifying membrane (412) are prevented from being too much, and gases such as carbon monoxide cannot enter the detection cavity (206) to influence the detection result.
A carbon monoxide detection alarm device in a well comprises the following use steps:
a: fixing a device fixing plate (101) on the wall surface of a mine through a bolt groove, electrically connecting a data transmission port of a controller (207) with a display screen (104), an alarm (202), a warning lamp (203), a detection cavity (206), an electromagnet (416) and a tension sensor (417) respectively, wherein gas and solid particles inside the mine enter the detection cavity (206) through a filter screen (403) and a dehumidifying membrane (412) to be detected, the filter screen (403) filters most solid particles under the mine, the solid particles are prevented from influencing the detection precision and blocking an air inlet (401), the dehumidifying membrane (412) removes water vapor doped in the gas, the detection result is prevented from being influenced by the water vapor, the alarm (202) gives an alarm when the concentration of carbon monoxide exceeds a threshold value, the warning lamp (203) gives out flicker when the concentration of carbon monoxide exceeds the threshold value, the display screen (104) displays the concentration of carbon monoxide under the mine in real time under the control of the controller (207);
after the step A is finished, when vibration occurs in the mine, the damping spring (105) reduces the influence of the vibration occurring under the mine on the detection mechanism (2), the flexible sleeve (106) prevents the detection mechanism (2) from being damaged when colliding with the limiting pipe (103), the limiting pipe (103) limits the position of the detection mechanism (2) in the vibration process, the bottom side of the limiting plate (204) is fixedly connected with the flexible pad (205), and the flexible pad (205) prevents the rigid collision of the limiting pipe (103) and the limiting plate (204) in the vibration process, so that the influence of the vibration in the mine on the measurement precision of the device is prevented;
c, after the step B is completed, the tension sensor (417) monitors the tension generated by the electromagnet (416) in real time, so that the amount of solid particles and water vapor on the first filter screen (403) and the dehumidifying membrane (412) is analyzed, the detection result is transmitted to the controller (207), when the controller (207) judges that the solid particles and the water vapor are excessive, the controller (207) controls the electromagnet (416) to be powered off, the magnetic blocks (413) are released, the first fixing frame (402) and the second fixing frame (410) shake the solid particles on the surface of the first filter screen (403) and the water vapor on the surface of the dehumidifying membrane (412) on the ground under the vibration of the reciprocating spring (414), and the situation that the solid particles and the water vapor on the first filter screen (403) and the dehumidifying membrane (412) are excessive, and gases such as carbon monoxide cannot enter the detection cavity (206) to influence the detection result is prevented.
By adopting the technical scheme: through the air inlet mechanism (4) and the flow guide mechanism (3), the amount of solid particles and water vapor on the first filter screen (403) and the dehumidifying membrane (412) are monitored in real time, excessive solid particles and water vapor are shaken off in time, the air inlet (401) is prevented from being blocked by the solid particles and the water vapor, the problem that the detection is inaccurate due to the fact that the solid particles and the water vapor are more and the gas inlet is easily blocked is solved, and the device has certain creativity and practicability, when the device is used, the pulling force generated by the electromagnet (416) is monitored by the pulling force sensor (417) in real time, so that the amount of the solid particles and the water vapor on the first filter screen (403) and the dehumidifying membrane (412) are analyzed, the detection result is transmitted to the controller (207), when the controller (207) judges that the solid particles and the water vapor are excessive, the controller (207) controls the electromagnet (416) to be powered off, and the magnetic block (413) is released, the first fixing frame (402) and the second fixing frame (410) shake solid particles on the surface of the first filter screen (403) and water vapor on the surface of the dehumidification film (412) on the ground under the vibration of the reciprocating spring (414), so that the solid particles and the water vapor on the first filter screen (403) and the dehumidification film (412) are prevented from being too much, and gases such as carbon monoxide cannot enter the detection cavity (206) to influence the detection result.
Example 2
As shown in fig. 1-6, the underground carbon monoxide detection alarm device comprises a fixing mechanism (1), a detection mechanism (2) is arranged below the fixing mechanism (1), a diversion mechanism (3) is fixedly arranged on the lower surface of the detection mechanism (2), and an air inlet mechanism (4) is arranged on the outer surface of the diversion mechanism (3).
The fixing mechanism (1) comprises a fixing plate (101), the fixing plate (101) is suitable for fixing the alarm device with a mine wall, a thread groove (102) is formed in the surface of the fixing mechanism (1), the thread groove (102) is suitable for fixing the fixing plate (101) and the wall through threads, a limiting pipe (103) is fixedly installed on the lower surface of the fixing plate (101), the inner edge of the limiting pipe (103) is movably sleeved with the detection mechanism (2), the limiting pipe (103) is suitable for limiting the position of the detection mechanism (2) in the vibration process, a display screen (104) is fixedly installed on the outer surface of the limiting pipe (103), the display screen (104) is suitable for displaying the concentration of carbon monoxide under the mine in real time, a damping spring (105) is fixedly installed on the lower surface of the fixing plate (101) and located inside the limiting pipe (103), the lower end of the damping spring (105) is fixedly connected with the detection mechanism (2), a flexible sleeve (106) is fixedly installed on the inner edge of the bottom of the limiting pipe (103), the damping spring (105) is suitable for reducing the influence of vibration generated under a mine to the detection mechanism (2), and the flexible sleeve (106) is suitable for preventing the detection mechanism (2) from being damaged when colliding with the limiting pipe (103).
The outer surface of the detection mechanism (2) is fixedly sleeved with a fixing ring (201), the fixing ring (201) is suitable for fixing a shell of the detection mechanism (2) and is convenient to detach, an alarm (202) is fixedly installed in the middle of the outer surface of the fixing ring (201), the alarm (202) is suitable for giving an alarm when the concentration of carbon monoxide exceeds a threshold value, warning lamps (203) are fixedly installed on the outer surface of the fixing ring (201) and positioned on two sides of the alarm (202), the warning lamps (203) are suitable for giving out flickering when the concentration of carbon monoxide exceeds the threshold value, a limiting plate (204) is fixedly installed on the upper surface of the detection mechanism (2), the upper surface of the limiting plate (204) is fixedly connected with the bottom end of a damping spring (105), the limiting plate (204) is suitable for sliding in a limiting groove to limit the position of the detection mechanism (2), and a flexible cushion (205) is fixedly connected with the bottom side of the limiting plate (204), the flexible cushion (205) is suitable for preventing the hard collision of the limiting pipe (103) and the limiting plate (204) during vibration.
A detection cavity (206) is formed in the detection mechanism (2), the detection cavity (206) is suitable for accurately detecting the concentration of carbon monoxide, a controller (207) is fixedly installed in the detection mechanism (2) and below the detection cavity (206), the output end of the controller (207) is electrically connected with the detection cavity (206), a display screen (104), an alarm (202), a warning lamp (203) and an air inlet mechanism (4), the controller (207) is suitable for controlling the detection process of the detection cavity (206) to compare the detection result with a system set value and further display the detection result on the display screen (104) and control the operation of the alarm (202), the warning lamp (203) and the air inlet mechanism (4), a bottom plate (301) is fixedly installed at the bottom of the flow guide mechanism (3), and a flow guide plate (302) is fixedly installed on the outer surface of the flow guide mechanism (3), the guide plates (302) are suitable for guiding gas in a mine into the gas inlet mechanism (4), and the outer surface of the guide mechanism (3) and the position between the two guide plates (302) are provided with gas inlets (401).
By adopting the technical scheme: the vibration frequency of the detection mechanism (2) can be effectively reduced by the matching use of the fixing mechanism (1) and the detection mechanism (2), so as to solve the problem that the mine is easy to vibrate during mining, and the vibration can influence the service life and the detection precision of the carbon monoxide detection alarm device under the mine, when using, when the mine is inside to vibrate, damping spring (105) reduce the influence of the vibration that the mine below took place to detection mechanism (2), flexible cover (106) prevent to cause the damage when detection mechanism (2) and spacing pipe (103) bump, spacing pipe (103) restrict the position of detection mechanism (2) at the vibration in-process, the bottom side fixedly connected with flexible pad (205) of limiting plate (204), the rigid collision of spacing pipe (103) and limiting plate (204) when flexible pad (205) prevent to vibrate, prevent the influence of the inside vibration of mine to device measurement accuracy like this.
The invention is to be noted that the invention is an underground carbon monoxide detection alarm device, when in use, firstly, a device fixing plate (101) is fixed on the wall surface of a mine through a bolt groove, a data transmission port of a controller (207) is respectively and electrically connected with a display screen (104), an alarm (202), a warning light (203), a detection cavity (206), an electromagnet (416) and a tension sensor (417), at this time, gas and solid particles in the mine enter the detection cavity (206) through a first filter screen (403) and a dehumidification membrane (412) for detection, the first filter screen (403) filters most solid particles under the mine, the solid particles are prevented from influencing the detection precision and blocking an air inlet (401), the dehumidification membrane (412) is used for removing water vapor doped in the gas, the influence of the water vapor on the detection result is avoided, the alarm (202) gives an alarm when the concentration of the carbon monoxide exceeds a threshold value, the warning lamp (203) emits flicker when the concentration of carbon monoxide exceeds a threshold value, the display screen (104) displays the concentration of carbon monoxide under a mine in real time under the control of the controller (207), secondly, when vibration occurs inside the mine, the damping spring (105) reduces the influence of the vibration occurring under the mine on the detection mechanism (2), the flexible sleeve (106) prevents the detection mechanism (2) from being damaged when colliding with the limiting pipe (103), the limiting pipe (103) limits the position of the detection mechanism (2) in the vibration process, the bottom side of the limiting plate (204) is fixedly connected with the flexible cushion (205), the flexible cushion (205) prevents the rigid collision between the limiting pipe (103) and the limiting plate (204) when vibrating, so the influence of the vibration inside the mine on the measurement precision of the device is prevented, and finally, the tension sensor (417) monitors the tension generated by the electromagnet (416) in real time, thereby the analysis goes out the solid particle and the steam how much on filter screen (403) and dehumidification membrane (412), and transmit the testing result to controller (207), when controller (207) judge solid particle and steam are too much, controller (207) control electro-magnet (416) cut off the power supply, release magnetic path (413), fixed frame (402) and No. two fixed frame (410) are under the vibration of reciprocating spring (414), shake the solid particle on filter screen (403) surface and the steam on dehumidification membrane (412) surface on ground, prevent solid particle and steam on filter screen (403) and dehumidification membrane (412) too much, thereby gas such as carbon monoxide can't get into detection chamber (206) and produce the influence to the testing result.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a carbon monoxide detects alarm device in pit which characterized in that: the gas detection device comprises a fixing mechanism, a detection mechanism is arranged below the fixing mechanism, a flow guide mechanism is fixedly arranged on the lower surface of the detection mechanism, an air inlet mechanism is arranged on the outer surface of the flow guide mechanism, a bottom plate is fixedly arranged at the bottom of the flow guide mechanism, a flow guide plate is fixedly arranged on the outer surface of the flow guide mechanism and is suitable for guiding gas in a mine into the air inlet mechanism, an air inlet is formed in the outer surface of the flow guide mechanism and is positioned between the two flow guide plates, a first fixing frame is arranged on the inner edge of the air inlet, a first filter screen is fixedly connected inside the first fixing frame and is suitable for filtering most solid particles in the mine, the influence of the solid particles on the detection precision is prevented, the solid particles are prevented from blocking the air inlet, the output end of the air inlet is connected with a detection cavity, and a connecting rod is fixedly arranged on the inner edge of the air inlet, the bottom of the air inlet is fixedly provided with a baffle, the connecting rod is suitable for connecting the air inlet with a first fixed frame, the baffle is suitable for fixing the bottom of the first fixed frame and the air inlet, the outer surface of the baffle is provided with a first fixed groove, the outer surface of the baffle and two sides of the first fixed groove are provided with grooves, the upper part of the first fixed frame is provided with a sleeve hole, the inner surface of the sleeve hole is movably sleeved with the connecting rod, the surface of the first filter screen is provided with a plurality of honeycomb holes, the honeycomb holes are suitable for increasing the contact area of the first filter screen and external solid particles so as to increase the adsorption capacity to the solid particles, the back side of the first fixed frame is fixedly provided with a second fixed frame, the outer surface of the second fixed frame is fixedly connected with the first fixed frame, the inner surface of the second fixed frame is provided with a second fixed groove, and the inside of the second fixed groove is fixedly provided with a dehumidifying film, the dehumidifying film is suitable for removing water vapor doped in gas and avoiding the water vapor from influencing a detection result, a magnetic block is fixedly mounted at the bottom of the first fixing frame and below the second fixing frame, reciprocating springs are fixedly mounted at the bottom of the first fixing frame and on two sides of the magnetic block, one end of each reciprocating spring, far away from the first fixing frame, is fixedly connected with a groove, a slot is formed in the inner edge of the second fixing groove, the inner surface of the slot is fixedly connected with the upper end of the dehumidifying film, one side of each magnetic block, far away from the first fixing frame, is magnetically connected with an electromagnet, a tension sensor is fixedly mounted on one side of the electromagnet, far away from the magnetic block, a water tank is formed in the bottom of the second fixing frame, the magnetic block is suitable for being attracted by the electromagnet to fix the first fixing frame and the second fixing frame, and the tension sensor is suitable for monitoring tension generated by the electromagnet in real time, thereby analyze out the filter screen and dehumidify what of the solid particle on the membrane and steam, and transmit the testing result to the controller, controller control electro-magnet outage is released the magnetic path, and fixed frame and No. two fixed frames shake off the solid particle on a filter screen surface and the steam on dehumidification membrane surface on ground under reciprocating spring's vibration.
2. The downhole carbon monoxide detection alarm device of claim 1, wherein: the fixing mechanism comprises a fixing plate, the fixing plate is suitable for fixing the alarm device and a mine wall, a thread groove is formed in the surface of the fixing mechanism and is suitable for fixing the fixing plate and the wall through threads, a limiting pipe is fixedly mounted on the lower surface of the fixing plate, the inner edge of the limiting pipe is movably sleeved with the detection mechanism, the limiting pipe is suitable for limiting the position of the detection mechanism in the vibration process, a display screen is fixedly mounted on the outer surface of the limiting pipe and is suitable for displaying the concentration of carbon monoxide in the mine in real time, a damping spring is fixedly mounted on the lower surface of the fixing plate and located inside the limiting pipe, the lower end of the damping spring is fixedly connected with the detection mechanism, a flexible sleeve is fixedly mounted on the inner edge of the bottom of the limiting pipe, and the damping spring is suitable for reducing the influence of vibration below the mine on the detection mechanism, the flexible sleeve is suitable for preventing the detection mechanism from being damaged when colliding with the limiting pipe.
3. The downhole carbon monoxide detection alarm device of claim 2, wherein: fixed ring has been cup jointed to detection mechanism's external fixation, fixed ring is suitable for and fixes and convenient to detach detection mechanism's casing, the middle part fixed mounting of fixed ring's surface has the alarm, the alarm is suitable for and sends alarm sound when carbon monoxide concentration exceeds the threshold value, fixed ring's surface and the both sides fixed mounting that is located the alarm have the warning light, the warning light is suitable for and sends the scintillation when carbon monoxide concentration exceeds the threshold value, detection mechanism's last fixed surface installs the limiting plate, the upper surface of limiting plate and damping spring's bottom fixed connection, the limiting plate is suitable for and slides the position in order to restrict detection mechanism at limiting groove inside, the bottom side fixedly connected with flexible pad of limiting plate, the rigid collision of spacing pipe and limiting plate when flexible pad is suitable for preventing vibration.
4. The downhole carbon monoxide detection alarm device of claim 3, wherein: the utility model discloses a carbon monoxide detection device, including detection mechanism, detection chamber, alarm, warning light and mechanism's operation, detection mechanism's inside has been seted up and has been detected the chamber, it is suitable for the concentration to carbon monoxide to detect the chamber and carries out the accuracy testing, detection mechanism's inside and the below fixed mounting that is located the detection chamber have the controller, the output of controller and detection chamber, display screen, alarm, warning light and the mechanism electric connection that admits air, the controller is suitable for to control the testing process that detects the chamber and compares testing result and system's setting value and then show testing result on the display screen, and controls the operation of alarm, warning light and the mechanism that admits air.
5. A downhole carbon monoxide detection alarm device according to any of claims 1-4, wherein: the use steps are as follows:
a: fixing a device fixing plate on the wall surface of a mine through a bolt groove, respectively connecting a data transmission port of a controller with a display screen, an alarm, a warning light, a detection cavity, an electromagnet and a tension sensor, wherein gas and solid particles in the mine enter the detection cavity through a first filter screen and a dehumidification membrane for detection, the first filter screen filters most solid particles in the mine, the solid particles are prevented from influencing detection precision, meanwhile, the solid particles are prevented from blocking an air inlet, the dehumidification membrane removes water vapor doped in the gas, the water vapor is prevented from influencing a detection result, the alarm gives an alarm sound when the concentration of carbon monoxide exceeds a threshold value, the warning light gives out a flash when the concentration of the carbon monoxide exceeds the threshold value, and the display screen displays the concentration of the carbon monoxide in the mine in real time under the control of the controller;
after the step A is finished, when vibration occurs in the mine, the damping spring reduces the influence of the vibration occurring under the mine on the detection mechanism, the flexible sleeve prevents the detection mechanism from being damaged when colliding with the limiting pipe, the limiting pipe limits the position of the detection mechanism in the vibration process, the bottom side of the limiting plate is fixedly connected with a flexible cushion, and the flexible cushion prevents the limiting pipe from rigidly colliding with the limiting plate when vibrating, so that the influence of the vibration in the mine on the measurement precision of the device is prevented;
and C, after the step B is completed, the tension sensor monitors tension generated by the electromagnet in real time so as to analyze the amount of solid particles and water vapor on the first filter screen and the dehumidifying membrane, the detection result is transmitted to the controller, when the controller judges that the amount of the solid particles and the water vapor is too much, the controller controls the electromagnet to be powered off, the magnetic blocks are released, and the first fixing frame and the second fixing frame shake the solid particles on the surface of the first filter screen and the water vapor on the surface of the dehumidifying membrane down on the ground under the vibration of the reciprocating spring.
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| CN114965903B (en) * | 2022-07-04 | 2023-02-10 | 嘉达云科技(深圳)有限公司 | Anti-blocking type carbon monoxide detection alarm device and method |
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