CN112160674A - Automatic closed firewall ventilation opening device - Google Patents
Automatic closed firewall ventilation opening device Download PDFInfo
- Publication number
- CN112160674A CN112160674A CN202011093855.5A CN202011093855A CN112160674A CN 112160674 A CN112160674 A CN 112160674A CN 202011093855 A CN202011093855 A CN 202011093855A CN 112160674 A CN112160674 A CN 112160674A
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- sensor
- receiving device
- explosion
- wireless signal
- signal
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- 238000009423 ventilation Methods 0.000 title claims abstract description 15
- 230000000007 visual effect Effects 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 2
- 239000010935 stainless steel Substances 0.000 abstract description 2
- 239000003245 coal Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
- E05F15/77—Power-operated mechanisms for wings with automatic actuation using wireless control
- E05F15/78—Power-operated mechanisms for wings with automatic actuation using wireless control using light beams
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
- E05F15/71—Power-operated mechanisms for wings with automatic actuation responsive to temperature changes, rain, wind or noise
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
- E05F15/72—Power-operated mechanisms for wings with automatic actuation responsive to emergency conditions, e.g. fire
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
- E05F15/79—Power-operated mechanisms for wings with automatic actuation using time control
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/103—Dams, e.g. for ventilation
- E21F17/12—Dam doors
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2999/00—Subject-matter not otherwise provided for in this subclass
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Computer Networks & Wireless Communication (AREA)
- Emergency Alarm Devices (AREA)
- Ventilation (AREA)
Abstract
The invention provides an automatic closing firewall ventilation opening device. The invention mainly comprises an opening and closing state, a gas concentration, a wind speed and temperature sensor, an infrared receiving device, a wireless signal receiving device, an A/D signal converter, a signal amplifier, a CPU processor, an explosion-proof power supply, a power switch, a wireless signal transmitting device, a motor start and stop controller, an audible and visual alarm and a display. The device has two control methods of on-site and remote through a sensor, a controller and the like, realizes intelligent control on the ventilation opening of the firewall, and avoids the defect of inaccurate timing of the traditional method. Meanwhile, the device has an acousto-optic early warning function, and the safety and the intelligence of the device are further improved. In addition, the whole device is protected by a stainless steel shell, so that the device can be well adapted to underground humid environments, the corrosion resistance is high, and the safety performance is obviously improved. Therefore, the device has the characteristics of simple structure, low investment cost, convenient operation, repeated utilization and strong practicability.
Description
Technical Field
The invention relates to the field of mine safety, in particular to an automatic-closing firewall ventilation opening device.
Background
At present, ventilation is needed to be carried out on a working face in the coal mining process, but air leakage into the working face can be caused, and when the coal spontaneous combustion condition is met, a coal mine is easy to generate a fire; if the fire is too large and the fire cannot be directly extinguished, the fire area must be sealed; the fire sealing area is formed by tightly sealing all the tunnels leading to the fire area at the air inlet side and the air return side and the areas which are easy to leak air to the fire source in the tunnels by using a firewall; meanwhile, in order to meet the requirement of rapidly closing the roadway, when part of coal mines are subjected to emergency rescue and disaster relief to close the disaster area, an explosion-proof fire wall formed by a metal pipeline with a larger diameter, an explosion-proof end cover, a steel pipe and a high polymer sealing material is adopted to rapidly seal.
In order to ensure that a person constructing a firewall has enough time to retreat to an safety zone in a high gas area, a device for closing a ventilation opening of the firewall is generally manufactured, and a tank of water is used for bearing an automatic closing door leaf to hang on the top of a roadway; when people leave, water in the tank gradually leaks out from the orifice, and after the weight is reduced to a certain degree, the water cannot bear the self weight of the door leaf and automatically put down the door to cover the ventilation opening; the size of the leak and the time that the crew can withdraw to the safety zone are predetermined.
The sealing time of the traditional automatic sealing firewall vent device is determined by the caliber and the number of the orifices on the tank body, the time for personnel to evacuate is difficult to be accurately calculated to a great extent, and accidents are easy to occur; meanwhile, when the fire-sealing area is opened at the later stage, the explosion-proof cover is difficult to open, a large amount of time is wasted, and the working efficiency of personnel during unsealing is reduced; therefore, the traditional device for closing the ventilation opening of the firewall has the defects of difficult opening, difficulty in accurately calculating the evacuation time of personnel and low efficiency.
Disclosure of Invention
The invention aims to solve the defects that a firewall vent is difficult to open, the personnel evacuation time is difficult to accurately calculate, and the efficiency is low.
In order to achieve the above object, the present invention provides an automatic closing firewall ventilation opening device, which mainly comprises: the system comprises an infrared receiving device, an opening and closing state sensor, a gas concentration sensor, an air speed sensor, a temperature sensor, a wireless signal receiving device, an A/D signal converter, a signal amplifier, a CPU processor, an explosion-proof power supply, a power switch, a wireless signal transmitting device, a motor starting and stopping controller, an audible and visual alarm and a display; it is characterized in that: the output ends of the infrared receiving device, the opening and closing state sensor, the gas concentration sensor, the wind speed sensor, the temperature sensor and the wireless signal receiving device are connected with the input end of the A/D signal converter, and all received data signals are converted into signals which can be identified by the CPU processor; the output end of the A/D converter is connected with the signal amplifier and used for amplifying the weak signal to prevent accidental interference; the output end of the signal amplifier is connected with the input end of the CPU processor, and the received data is transmitted and processed; meanwhile, the other ends of the infrared receiving device, the opening and closing state sensor, the gas concentration sensor, the wind speed sensor, the temperature sensor, the wireless signal receiving device, the A/D signal converter, the signal amplifier and the CPU processor are connected with an explosion-proof power supply to provide a stable power supply for the explosion-proof power supply; the output end of the CPU processor is respectively connected with the input ends of the wireless signal transmitting device, the motor start-stop controller, the audible and visual alarm and the display; the wireless signal sending device is used for sending signals to wireless receiving devices arranged in other tunnels so as to achieve the effect of closing at specified time; the motor start-stop controller is used for controlling the explosion-proof cover to be opened and closed, and is connected with a working indicator lamp for indicating whether the motor start-stop controller works normally or not; the audible and visual alarm is used for warning danger of personnel and preventing accidents, and is connected with a work indicating lamp for indicating whether the audible and visual alarm works normally; the display is used for displaying the signal information that each sensor obtained to provide accurate reference for personnel, be convenient for know the sealing area condition.
The invention has the beneficial effects that: the device avoids the defects that the traditional method is inaccurate in timing and easy to cause danger through a sensor, a controller and the like, simultaneously has two control methods of a field and a remote, realizes intelligent control on the ventilation opening of the firewall, has the functions of monitoring gas, temperature and wind speed and alarming sound and light, further improves the safety and intelligence of the device, and is beneficial to preventing accidents; meanwhile, the whole device is made of stainless steel shells, can be well adapted to underground humid environments, is high in corrosion resistance, can function for a long time, and is remarkably improved in safety performance; therefore, the device has the characteristics of simple structure, low input cost, convenient operation, high efficiency, repeated utilization and strong practicability.
Description of the drawings:
the following detailed description is made by way of example in conjunction with the accompanying drawings:
FIG. 1 is a schematic view of an automatically closing firewall vent apparatus;
in fig. 1, the numbers are as follows: the system comprises an infrared receiving device 1, an on-off state sensor 2, a gas concentration sensor 3, an air speed sensor 4, a temperature sensor 5, a wireless signal receiving device 6, an A/D signal converter 7, a signal amplifier 8, a CPU 9, an explosion-proof power supply 10, a power switch 11, a wireless signal transmitting device 12, a motor start-stop controller 13, an audible and visual alarm 14, a display 15 and an explosion-proof cover 16.
The specific implementation mode is as follows:
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.
Example (b):
embodiments of the present invention provide an automatic closing firewall ventilation opening device, which will be described in detail below.
Referring to the attached figure 1, the invention provides an automatic closed firewall ventilation opening device which is composed of an infrared receiving device 1, an opening and closing state sensor 2, a gas concentration sensor 3, a wind speed sensor 4, a temperature sensor 5, a wireless signal receiving device 6, an A/D signal converter 7, a signal amplifier 8, a CPU processor 9, an explosion-proof power supply 10, a power switch 11, a wireless signal sending device 12, a motor starting and stopping controller 13, an audible and visual alarm 14 and a display 15, and is characterized in that: the output ends of the infrared receiving device 1, the opening and closing state sensor 2, the gas concentration sensor 3, the wind speed sensor 4, the temperature sensor 5 and the wireless signal receiving device 6 are connected with the input end of an A/D signal converter 7, and all received data signals are converted into signals which can be identified by a CPU (central processing unit) 9; meanwhile, the output end of the A/D converter 7 is connected with the signal amplifier 8 and used for amplifying weak signals to prevent interference; the output end of the signal amplifier 8 is connected with the input end of the CPU 9, and the received data is transmitted and processed; in addition, the other ends of the infrared receiving device 1, the opening and closing state sensor 2, the gas concentration sensor 3, the wind speed sensor 4, the temperature sensor 5, the wireless signal receiving device 6, the A/D signal converter 7, the signal amplifier 8 and the CPU processor 9 are all connected with an explosion-proof power supply 10 so as to provide stable power supply for the explosion-proof power supply; the output end of the CPU processor 9 is respectively connected with the input ends of a wireless signal sending device 12, a motor start-stop controller 13, an audible and visual alarm 14 and a display 15; the wireless signal transmitting device 12 is used for transmitting signals to the wireless signal receiving devices 6 arranged in other lanes so as to achieve the effect of closing at a specified time; the motor start-stop controller 13 is used for controlling the opening and closing of the explosion-proof cover 16, and is connected with a working indicator lamp for indicating whether the motor start-stop controller 13 works normally; the audible and visual alarm 14 is used for warning danger of personnel and preventing accidents, and is connected with a work indicator lamp for indicating whether the audible and visual alarm 14 works normally; the display 15 is used for displaying the signal information obtained by each sensor, thereby providing accurate reference for personnel and facilitating the understanding of the condition of the sealing area.
The working process of the automatic closing firewall ventilation opening device is as follows: firstly, an explosion-proof power switch 11 is turned on to electrify a power module, and energy is provided for various sensors, an A/D signal converter 7, a signal amplifier 8 and a CPU processor 9, so that all devices are in a standby state; secondly, when an operator emits infrared rays through an infrared emitting device and is obtained signals by an infrared receiving device 1, all data signals are transmitted to an input end of an A/D signal converter 7 through an open-close state sensor 2, a gas concentration sensor 3, an air speed sensor 4, a temperature sensor 5 and a wireless signal receiving device 6 which operate simultaneously, and then are transmitted to a signal amplifier 8 after signal conversion, the signal amplifier 8 transmits the obtained signals to a CPU (central processing unit) 9 for receiving and processing, and the CPU 9 controls the open-close state of an explosion-proof cover 16 by adjusting a motor start-stop controller 13 after receiving commands; the display 15 connected with the output end of the CPU processor 9 can automatically display each parameter data transmitted by the CPU transmitter 9, so that the working personnel can better know the condition of the sealing area; when the motor start-stop controller 13 controls the explosion-proof cover 16 to close, the acousto-optic alarm 14 connected with the CPU processor 9 gives a voice alarm that the tunnel is closed and does not stop, and meanwhile, the green light flickers; when the motor start-stop controller 13 controls the explosion-proof cover 16 to be opened, the sound and light alarm 14 connected with the CPU processor 9 alarms that the sealing is started and the danger is noticed in a voice way, and simultaneously the red light flickers.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present patent is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art; the technical solutions described in the foregoing embodiments can still be modified, or some technical features can be replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (1)
1. The invention provides an automatic closed firewall ventilation opening device, which mainly comprises: the device comprises an infrared receiving device (1), an opening and closing state sensor (2), a gas concentration sensor (3), a wind speed sensor (4), a temperature sensor (5), a wireless signal receiving device (6), an A/D signal converter (7), a signal amplifier (8), a CPU (Central processing Unit) processor (9), an explosion-proof power supply (10), a power switch (11), a wireless signal sending device (12), a motor starting and stopping controller (13), an audible and visual alarm (14), a display (15) and an explosion-proof cover (16); the method is characterized in that: the output ends of the infrared receiving device (1), the opening and closing state sensor (2), the gas concentration sensor (3), the wind speed sensor (4), the temperature sensor (5) and the wireless signal receiving device (6) are connected with the input end of the A/D signal converter (7), and all received data signals are converted into signals which can be identified by the CPU (9); the output end of the A/D converter (7) is connected with the signal amplifier (8) and is used for amplifying weak signals and preventing accidental interference; the output end of the signal amplifier (8) is connected with the input end of the CPU (9) and transmits and processes the received data; meanwhile, the other ends of the infrared receiving device (1), the opening and closing state sensor (2), the gas concentration sensor (3), the wind speed sensor (4), the temperature sensor (5), the wireless signal receiving device (6), the A/D signal converter (7), the signal amplifier (8) and the CPU processor (9) are connected with the explosion-proof power supply (10) to provide a stable power supply for the explosion-proof power supply; the output end of the CPU processor (9) is respectively connected with the input ends of the wireless signal transmitting device (12), the motor start-stop controller (13), the audible and visual alarm (14) and the display (15); the wireless signal transmitting device (12) is used for transmitting signals to the wireless receiving devices (6) arranged in other tunnels so as to achieve the effect of closing at specified time; the motor start-stop controller (13) is used for controlling the opening and closing of the explosion-proof cover (16), and is connected with a working indicator lamp for indicating whether the motor start-stop controller (13) works normally or not; the audible and visual alarm (14) is used for warning the danger of personnel and preventing accidents, and is connected with a work indicating lamp for indicating whether the audible and visual alarm (14) works normally; the display (15) is used for displaying the signal information acquired by each sensor, thereby providing accurate reference for personnel and facilitating the understanding of the condition of the sealing area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011093855.5A CN112160674A (en) | 2020-10-14 | 2020-10-14 | Automatic closed firewall ventilation opening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011093855.5A CN112160674A (en) | 2020-10-14 | 2020-10-14 | Automatic closed firewall ventilation opening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112160674A true CN112160674A (en) | 2021-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011093855.5A Pending CN112160674A (en) | 2020-10-14 | 2020-10-14 | Automatic closed firewall ventilation opening device |
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| Country | Link |
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| CN (1) | CN112160674A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10238217A (en) * | 1997-02-24 | 1998-09-08 | Furukawa Co Ltd | Device for detection malfunction of gate |
| US20120026657A1 (en) * | 2010-07-27 | 2012-02-02 | Yokogawa Electric Corporation | Field device |
| CN104989455A (en) * | 2015-07-03 | 2015-10-21 | 陕西煤业化工技术研究院有限责任公司 | Mine gas and coal fire collaboration prevention and control method and device |
| CN206496788U (en) * | 2017-02-25 | 2017-09-15 | 郭永敏 | A kind of novel intelligent environmental monitoring terminal |
| CN207164535U (en) * | 2017-08-07 | 2018-03-30 | 黑龙江科技大学 | A kind of long-range program control throttle locking device |
| CN109989789A (en) * | 2019-05-21 | 2019-07-09 | 安徽理工大学 | A kind of mine gas real-time monitoring and processing system |
-
2020
- 2020-10-14 CN CN202011093855.5A patent/CN112160674A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10238217A (en) * | 1997-02-24 | 1998-09-08 | Furukawa Co Ltd | Device for detection malfunction of gate |
| US20120026657A1 (en) * | 2010-07-27 | 2012-02-02 | Yokogawa Electric Corporation | Field device |
| CN104989455A (en) * | 2015-07-03 | 2015-10-21 | 陕西煤业化工技术研究院有限责任公司 | Mine gas and coal fire collaboration prevention and control method and device |
| CN206496788U (en) * | 2017-02-25 | 2017-09-15 | 郭永敏 | A kind of novel intelligent environmental monitoring terminal |
| CN207164535U (en) * | 2017-08-07 | 2018-03-30 | 黑龙江科技大学 | A kind of long-range program control throttle locking device |
| CN109989789A (en) * | 2019-05-21 | 2019-07-09 | 安徽理工大学 | A kind of mine gas real-time monitoring and processing system |
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Application publication date: 20210101 |