CN113971874B - Emergency safety alarm system for site operation - Google Patents
Emergency safety alarm system for site operation Download PDFInfo
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- CN113971874B CN113971874B CN202111164902.5A CN202111164902A CN113971874B CN 113971874 B CN113971874 B CN 113971874B CN 202111164902 A CN202111164902 A CN 202111164902A CN 113971874 B CN113971874 B CN 113971874B
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/16—Combustible gas alarms
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Abstract
The invention discloses an emergency safety alarm system for field construction, which comprises: the device comprises a positioning device and three detection trolleys; the positioning device sends positioning information to the control device; the detection trolley comprises: the device comprises a control device, a moving trolley, a wind speed and direction detection device, a group of first gas detectors and two groups of second gas detectors; the wind speed and direction detection device is fixed on the movable trolley, wherein the first gas detector is fixed at the center of the top surface of the movable trolley through the base, and the two groups of second gas detectors are symmetrically arranged on two sides of the first gas detector through the electric telescopic rods; the construction safety alarm system is matched with field construction, can be well adapted to various field construction operation environments, efficiently detects toxic combustible gas and conforms to the technological trend of construction.
Description
Technical Field
The invention relates to the field of bottle washing machines. More particularly, the present invention relates to an emergency safety alarm system for field construction.
Background
With the rapid development of the technology in China in recent years, the petrochemical industry also becomes an important industry supporting high and new technology and high and new materials, the traditional petrochemical industry mainly takes people, materials and machines as main construction and management means, and with the introduction of an automatic control system and the popularization of an intelligent construction site concept, more and more intelligent and automatic technologies and equipment are applied to various industries of the petrochemical industry. The humanized and modern construction of field management is accelerated, and the field management efficiency is greatly improved. However, research and development personnel pay more attention to how to improve the construction efficiency and control the cost in the construction process, the safety attention to construction safety and particularly to temporary construction measures generally takes education, delivery and inspection as main means, when the construction is located at the sea, the natural environment is windy, the work load of firing in the peak period after the project is started is huge, temporary power utilization facilities are numerous, the operation point is close to a production device, the risk that toxic combustible gas in the device diffuses to a later-stage construction area exists, and the construction method belongs to potential high-risk operation. Ordinary security routing inspection and human management cannot effectively prevent these potential risks. Once a leakage accident occurs, the consequences are not imaginable. An equipment capable of detecting construction hidden dangers is urgently needed on site.
Disclosure of Invention
The invention aims to provide a construction safety alarm system which is suitable for field construction, can be well adapted to various field construction operation environments, can efficiently detect toxic combustible gas and conforms to the technological trend of construction.
To achieve these objects and other advantages and in accordance with the purpose of the invention, as embodied and broadly described herein, there is provided a field construction emergency safety warning system, comprising: the device comprises a positioning device and three detection trolleys;
the positioning device sends positioning information to the control device;
the detection trolley comprises: the device comprises a control device, a movable trolley, a wind speed and wind direction detection device, a group of first gas detectors and two groups of second gas detectors; the wind speed and direction detection device is fixed on the movable trolley, wherein the first gas detector is fixed at the center of the top surface of the movable trolley through the base, and the two groups of second gas detectors are symmetrically arranged on two sides of the first gas detector through the electric telescopic rods;
the first gas detector includes: the gas sensor comprises a first shell, a first gas sensor for detecting combustible or toxic gas components, a processing module, a first wireless communication module and an alarm module; the first shell comprises a plurality of coaxially arranged sleeves with gradually reduced diameters, the inner and outer adjacent sleeves can move relatively along the axial direction and are fixed through a clamping piece, a group of first gas sensors are fixed on each sleeve, the sleeve with the largest diameter is fixed with the base, the first gas sensors are connected with the processing module, and the processing module is connected with the alarm module;
the second gas detector includes: the second shell, a second gas sensor for detecting combustible or toxic gas components and a second wireless communication module; the second shell comprises a plurality of coaxially arranged sleeves with gradually reduced diameters, the inner and outer adjacent sleeves can move relatively along the axial direction and are fixed through a clamping piece, a group of gas sensors are fixed on each sleeve, the sleeve with the largest diameter on the second shell is connected with the sleeve with the largest diameter on the first shell through the electric telescopic rod, and the second gas sensor transmits detection data to the processing module through the first wireless communication module and the second wireless communication module;
the control device is connected with the electric telescopic rod.
Preferably, the control device is fixed on the moving trolley.
Preferably, the outer side of the second gas detector is provided with a laser range finder, and the laser range finder is in communication connection with the control device.
Preferably, the wheels of the mobile trolley are connected with the carriage of the mobile trolley through detachable support legs.
Preferably, the detection trolley further comprises a display module, and the display module is connected with the control device.
The invention also provides a detection method by using the safety alarm system, which comprises the following steps:
step one, mounting a positioning device on a device operated on site, wherein the device operated on site is a device with toxic/combustible gas diffusion;
step two, according to the position information of the positioning device, the height of the sleeve is adjusted, so that the heights of the first gas detector and the second gas detector are equal to or higher than the leakage points of the device operated on site;
thirdly, the control device controls the electric telescopic rod to push the second gas detector to the maximum range of the electric telescopic rod;
step four, the wind speed and direction detection device detects the current wind speed and direction, the movement tracks of three detection trolleys are set according to the wind direction, the device for field operation is taken as the center of a circle, the set distance L is taken as the radius, one of the detection trolleys moves from the center of the circle to the current wind direction for the set distance L, and the rest two detection trolleys respectively and symmetrically deviate from the current wind direction by 35-55 degrees from the center of the circle to move for the set distance L;
in the driving process, when the detection trolley detects combustible gas or toxic gas, the control device controls the alarm module to send out a first alarm signal.
Preferably, in the second step, when the height of the adjustment sleeve cannot reach the height of the leakage point of the field operation device, the adjustment is performed by lengthening the length of the detachable leg.
Preferably, in the fourth step, when the control device detects that the measured distance corresponding to the laser distance measuring instrument is smaller than the set distance, the control device controls the corresponding electric telescopic rod to retract to the set distance.
Preferably, in the fourth step, when the wind speed and direction detection device detects that the wind direction deviation is greater than 15 degrees, the control device controls the alarm module to send out a second alarm signal, the control device sends the angle difference of the current wind direction deviation relative to the wind direction when the vehicle starts to the display module, and the traveling track of the current detection trolley is adjusted to be the same angle difference according to the angle difference of the wind direction deviation.
The invention at least comprises the following beneficial effects: the construction safety alarm system is matched with field construction, can be well adapted to various field construction operation environments, efficiently detects toxic combustible gas and conforms to the technological trend of construction.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic structural view of a probe car according to the present invention;
FIG. 2 is a schematic diagram of the movement track of four or three detection trolleys in the invention;
FIG. 3 is a schematic diagram of the movement track of three detection trolleys of the invention when detecting that the wind direction deviates by 20 degrees.
Description of reference numerals: 1 travelling car, 2 first gaseous detectors, 3 gaseous detectors of second, 4 electric telescopic handle, 5 sleeves, 6 laser range finder, 7 landing legs.
Detailed Description
The invention will be described more fully hereinafter with reference to the accompanying drawings. Those skilled in the art will be able to implement the invention based on these teachings. Before the present invention is described in detail with reference to the accompanying drawings, it is to be noted that: the technical solutions and features provided in the present invention in each part including the following description may be combined with each other without conflict.
Moreover, the embodiments of the present invention described in the following description are generally only some embodiments of the present invention, and not all embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without making creative efforts shall fall within the protection scope of the present invention.
The invention is further described in detail with reference to the accompanying drawings and implementation, and the specific implementation process is as follows:
as shown in fig. 1, the present invention provides an emergency safety alarm system for site operation, comprising: a positioning device and three detection trolleys;
the positioning device sends positioning information to the control device; the positioning device is arranged on a device which is operated on site and has toxic/combustible gas diffusion;
the detection trolley comprises: the device comprises a control device, a movable trolley 1, a wind speed and direction detection device, a group of first gas detectors 2 and two groups of second gas detectors 3; the wind speed and direction detection device is fixed on the movable trolley 1, the first gas detectors 2 are fixed at the center of the top surface of the movable trolley 1 through the base, the two groups of second gas detectors 3 are symmetrically arranged at two sides of the first gas detectors 2 through the electric telescopic rods 4, and the wind speed and direction detection device and the gas detectors are arranged on the detection trolley and do not interfere with each other;
the first gas detector 2 includes: the device comprises a first shell, a first gas sensor for detecting combustible or toxic gas components, a processing module, a first wireless communication module and an alarm module; the first shell comprises a plurality of coaxially arranged sleeves 5 with gradually reduced diameters, the inner and outer adjacent sleeves 5 can move relatively along the axial direction and are fixed through a clamping piece, the height of the shell is adjusted according to the requirement on site, so that the detection of toxic combustible gas in spaces with different heights is realized, a group of first gas sensors are fixed on each sleeve 5, the sleeve 5 with the largest diameter is fixed with a base, the first gas sensors are connected with the processing module, and the processing module is connected with the alarm module;
the second gas detector 3 includes: the second shell, a second gas sensor for detecting combustible or toxic gas components and a second wireless communication module; the second shell comprises a plurality of coaxially arranged sleeves 5 with gradually reduced diameters, the inner and outer adjacent sleeves 5 can move relatively along the axial direction and are fixed through a buckle part, each sleeve 5 is fixed with a group of gas sensors, the sleeve 5 with the largest diameter on the second shell is connected with the sleeve 5 with the largest diameter on the first shell through the electric telescopic rod 4, and the second gas sensors transmit detection data to the processing module through the first wireless communication module and the second wireless communication module;
the control device is connected with the electric telescopic rod 4.
The technical scheme can also comprise the following technical details so as to better realize the technical effects: the control device is fixed on the movable trolley 1.
The technical scheme can also comprise the following technical details so as to better realize the technical effects: the outside of second gas detection appearance 3 is provided with laser range finder 6, laser range finder 6 with controlling means communication is connected.
The technical scheme can also comprise the following technical details so as to better realize the technical effects: the wheels of the mobile trolley 1 are connected with the carriage of the mobile trolley 1 through detachable support legs 7.
The technical scheme can also comprise the following technical details so as to better realize the technical effects: the detection trolley also comprises a display module which is connected with the control device.
Example 2
As shown in fig. 2 to 3, a detection method using a security alarm system includes the steps of:
step one, mounting a positioning device on a device operated on site, wherein the device operated on site is a device with toxic/combustible gas diffusion;
secondly, adjusting the height of the sleeve 5 according to the position information of the positioning device to enable the heights of the first gas detector 2 and the second gas detector 3 to be equal to or higher than the leakage point of the device operated on site; the first gas detector 2/the second gas detector 3 are provided with a plurality of first gas sensors/second gas sensors in the height direction, so that detection can be performed in different height spaces, and the detection precision is improved;
thirdly, the control device controls the electric telescopic rod 4 to push the second gas detector 3 to the maximum range of the electric telescopic rod 4;
step four, the wind speed and direction detection device detects the current wind speed and direction, the movement tracks of three detection trolleys are set according to the wind direction, the device for field operation is taken as the center of a circle, the set distance L is taken as the radius, one of the detection trolleys moves from the center of the circle to the current wind direction by the set distance L, and the rest two detection trolleys respectively move from the center of the circle to the current wind direction by the set distance L after symmetrically deviating from the included angle of 45 degrees; when the detection trolley encounters an obstacle, field personnel adjust the moving track of the detection trolley according to the field condition; the set distance L is determined based on the measured current wind speed.
In the running process, when the detection trolley detects combustible gas or toxic gas, the control device controls the alarm module to send out a first alarm signal.
The technical scheme can also comprise the following technical details so as to better realize the technical effects: in the second step, when the height of the adjusting sleeve 5 cannot reach the height of a leakage point of the field operation device, the length of the detachable supporting leg 7 is lengthened for adjustment.
The technical scheme can also comprise the following technical details so as to better realize the technical effects: in the fourth step, when the control device detects that the measured distance corresponding to the laser range finder 6 is smaller than the set distance, the control device controls the corresponding electric telescopic rod 4 to retract the set distance, so that the safety alarm system can smoothly pass through on-site equipment or buildings.
The technical scheme can also comprise the following technical details so as to better realize the technical effects: in the fourth step, when the wind speed and direction detection device detects that the wind direction deviates by 20 degrees, the control device controls the alarm module to send out a second alarm signal, the control device sends an angle difference of the wind direction deviation when the current wind direction relatively departs to the display module, the same angle difference is adjusted for the running track of the current detection trolley according to the angle difference of the wind direction deviation, and the moving track of the detection trolley is adjusted by field personnel according to the field condition after the detection trolley meets an obstacle.
While embodiments of the invention have been described above, it is not intended to be limited to the details shown, particular embodiments, but rather to those skilled in the art, and it is to be understood that the invention is capable of numerous modifications and that various changes may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (4)
1. An emergency safety alarm system for site operation, the safety alarm system comprising:
the device comprises a positioning device and three detection trolleys;
the positioning device sends positioning information to the control device;
the detection trolley comprises: the device comprises a control device, a movable trolley, a wind speed and direction detection device, a group of first gas detectors, two groups of second gas detectors and a display module; the wind speed and wind direction detection device is fixed on the movable trolley, wherein the first gas detector is fixed at the center of the top surface of the movable trolley through the base, and the two groups of second gas detectors are symmetrically arranged at two sides of the first gas detector through the electric telescopic rods; wheels of the moving trolley are connected with a carriage of the moving trolley through detachable support legs;
the first gas detector includes: the gas sensor comprises a first shell, a first gas sensor for detecting combustible or toxic gas components, a processing module, a first wireless communication module and an alarm module; the first shell comprises a plurality of coaxially arranged sleeves with gradually reduced diameters, the inner and outer adjacent sleeves can move relatively along the axial direction and are fixed through a buckling piece, a group of first gas sensors are fixed on each sleeve, the sleeve with the largest diameter is fixed with the base, the first gas sensors are connected with the processing module, and the processing module is connected with the alarm module;
the second gas detector includes: the second shell, a second gas sensor for detecting combustible or toxic gas components and a second wireless communication module; the second shell comprises a plurality of coaxially arranged sleeves with gradually reduced diameters, the inner and outer adjacent sleeves can move relatively along the axial direction and are fixed through a clamping piece, a group of gas sensors are fixed on each sleeve, the sleeve with the largest diameter on the second shell is connected with the sleeve with the largest diameter on the first shell through the electric telescopic rod, and the second gas sensor transmits detection data to the processing module through the first wireless communication module and the second wireless communication module; a laser range finder is arranged on the outer side of the second gas detector and is in communication connection with the control device;
the control device is connected with the electric telescopic rod and the display module and is fixed on the movable trolley;
the detection method of the site construction emergency safety alarm system comprises the following steps:
step one, mounting a positioning device on a device operated on site, wherein the device operated on site is a device with toxic/combustible gas diffusion;
secondly, adjusting the height of the sleeve according to the position information of the positioning device to enable the heights of the first gas detector and the second gas detector to be equal to or higher than the leakage point of the device operated on site;
thirdly, the control device controls the electric telescopic rod to push the second gas detector to the maximum range of the electric telescopic rod;
step four, the wind speed and wind direction detection device detects the current wind speed and wind direction, the movement tracks of three detection trolleys are set according to the wind direction, the device for field operation is used as the center of a circle, the set distance L is used as the radius, one detection trolley moves from the center of the circle to the current wind direction by the set distance L, and the rest two detection trolleys respectively and symmetrically deviate from the current wind direction by 35-55 degrees from the center of the circle to move by the set distance L;
in the driving process, when the detection trolley detects combustible gas or toxic gas, the control device controls the alarm module to send out a first alarm signal.
2. The emergency safety alarm system for field construction according to claim 1, wherein in the second step, when the height of the adjusting sleeve cannot reach the height of the leakage point of the field operation device, the adjusting sleeve is adjusted by lengthening the length of the detachable supporting leg.
3. The emergency safety warning system for construction site according to claim 1, wherein in the fourth step, when the control device detects that the measured distance of the corresponding laser distance meter is less than the set distance, the control device controls the corresponding electric telescopic rod to retract the set distance.
4. The emergency safety alarm system for field construction according to claim 1, wherein in the fourth step, when the wind speed and direction detection device detects that the wind direction is deviated by more than 15 °, the control device controls the alarm module to send out a second alarm signal, the control device sends an angle difference of the current wind direction with respect to the wind direction deviation at the time of starting to the display module, and the current running track of the detection trolley is adjusted by the same angle difference according to the angle difference of the wind direction deviation.
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| CN202111164902.5A CN113971874B (en) | 2021-09-30 | 2021-09-30 | Emergency safety alarm system for site operation |
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| CN202111164902.5A CN113971874B (en) | 2021-09-30 | 2021-09-30 | Emergency safety alarm system for site operation |
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| CN116720788A (en) * | 2023-08-07 | 2023-09-08 | 山东神光航天科技有限公司 | Air quality intelligent assessment method and system based on multi-source data |
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| JP3050745B2 (en) * | 1994-03-04 | 2000-06-12 | 矢崎総業株式会社 | Gas leak detection device |
| JPH07333097A (en) * | 1994-06-06 | 1995-12-22 | Chiyoda Corp | Method for measuring gas leakage region |
| GB9912332D0 (en) * | 1999-05-27 | 1999-07-28 | British Gas Plc | Portable apparatus and method for tracing a gas leak |
| CN101344513B (en) * | 2008-08-26 | 2012-07-18 | 天津大学 | Method for robot searching scent source in time-varying flow field environment |
| EP3315937A4 (en) * | 2015-08-04 | 2018-07-11 | Konica Minolta, Inc. | Gas detection device and gas detection method |
| CN106945058A (en) * | 2017-05-25 | 2017-07-14 | 福建卫斯特环保科技有限公司 | A kind of refuse landfill toxic and harmful gas monitoring special purpose robot and control information system |
| KR101894458B1 (en) * | 2017-08-24 | 2018-09-04 | 삼성중공업 주식회사 | Gas or Smoke Detection Device considering Wind Direction and Wind Speed |
| CN107989653A (en) * | 2017-12-27 | 2018-05-04 | 贵州大学 | It is a kind of to detect height-adjustable high precision gas concentration detector |
| CN209342677U (en) * | 2018-09-29 | 2019-09-03 | 江苏中聚检测服务有限公司 | The air detection instrument that the air in different height space is detected |
| CN109739235B (en) * | 2019-01-03 | 2020-06-19 | 西安交通大学 | Automatic tracking method for leaked gas of female mosquito-imitating mobile sensor |
| CN110081317B (en) * | 2019-03-18 | 2020-11-13 | 清华大学 | Leakage source positioning device and system |
| CN211506696U (en) * | 2020-03-10 | 2020-09-15 | 陶雪梅 | Environment detection alarm device |
| CN212540324U (en) * | 2020-07-13 | 2021-02-12 | 郑佳祥 | A environmental monitoring device for chemical production |
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