CN115083108A - Fire operation safety maintenance system - Google Patents
Fire operation safety maintenance system Download PDFInfo
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- CN115083108A CN115083108A CN202110932805.XA CN202110932805A CN115083108A CN 115083108 A CN115083108 A CN 115083108A CN 202110932805 A CN202110932805 A CN 202110932805A CN 115083108 A CN115083108 A CN 115083108A
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- 238000012423 maintenance Methods 0.000 title claims abstract description 20
- 239000007789 gas Substances 0.000 claims description 39
- 239000000523 sample Substances 0.000 claims description 20
- 239000002341 toxic gas Substances 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 238000007689 inspection Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 208000027418 Wounds and injury Diseases 0.000 description 6
- 230000006378 damage Effects 0.000 description 6
- 239000002360 explosive Substances 0.000 description 6
- 208000014674 injury Diseases 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000007123 defense Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- 230000009897 systematic effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B19/00—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fire Alarms (AREA)
Abstract
The invention relates to the technical field of safety production, in particular to a safety maintenance system for fire operation, which comprises a signal end and a real-time acquisition end, wherein the signal end is connected with the signal end; the signal end and the real-time acquisition end are connected in a wireless mode. The invention reduces the occurrence rate of safety accidents and improves the operation efficiency and the operation standardization.
Description
Technical Field
The invention relates to the technical field of safety production, G08B17/10, in particular to a safety overhaul system for fire operation.
Background
The fire operation refers to the operation of welding and cutting in an forbidden fire area and the temporary operation of using a welding machine, an electric drill, a grinding wheel and the like in flammable and explosive places to possibly generate flame, spark and a hot surface, and is a common operation in the production and maintenance process of enterprises and also an operation with high risk and multiple accidents. The ignition source is actively provided by the fire operation among three elements of combustible, combustion-supporting substances and the ignition source which form the fire, so that the fire is inevitably caused in the air environment if the combustible is not well managed. In flammable and explosive places in the industrial fields of industrial production, building construction, transportation and the like, the danger of fire operation is higher, and the method is a key link for accident prevention.
The risk control of the fire operation is well done, and corresponding control measures must be made according to various risks possibly existing in the fire operation link. For example, GB 30871-.
In order to well manage the risk of the fire operation, the fire operation adopts a series of fire scene before fire operation to spread fire tickets, measure combustible and explosive gases, monitor the scene during fire operation and measure the environment, clean the fire in time and the like. Because the field environment changes at any time during the fire, if the change of the field condition cannot be monitored in time, the management negligence has some potential safety hazards, and serious disasters can be caused. How to reduce the incidence of safety accidents during the safety maintenance and improve the working efficiency and the working standardization becomes the problem of people's attention. The utility model provides a fire operation smoke and dust safety device that removes in the patent that application number is CN201822145997.6, when the staff carries out the fire processing such as welding and cutting in the factory building workshop, the operational environment of protection factory building workshop avoids the smoke and dust to destroy to and the safety in the protection factory building workshop. The utility model provides a portable inflammable and explosive regional fire operation danger monitoring early warning device that moves is provided in the patent with application number CN201520217960.3, video monitoring and automatic early warning of conflagration, combustible gas monitoring combines with the automatic early warning of limit value, realize the monitoring and the early warning of inflammable and explosive regional danger, strengthen on-the-spot combustible gas's timely measuring ability and improve the control level to whole site operation for petrochemical enterprise, emergency rescue ability and the investigation ability after the occurence of failure when the occurence of failure. However, the system fails to provide comprehensive and systematic monitoring of the operation of the fire, and particularly to manage the operation standardization of the operators.
Summary of the invention is intended to be consistent with the claims
In order to solve the above problems, a first aspect of the present invention provides a fire operation safety maintenance system, which includes a signal terminal and a real-time acquisition terminal; the signal end and the real-time acquisition end are connected in a wireless mode.
As a preferred technical solution of the present invention, the signal terminal includes a signal receiving/transmitting device.
As a preferred technical scheme of the invention, the real-time acquisition end comprises a limiting module, a fixing module and a moving module.
As a preferred technical scheme of the invention, the limiting module is used for circling an operation area for operation of a fire; the fixed module is used for recording the whole picture of the real-time operation of the fire operation and identifying the face of a technician in the picture; the mobile module is used for protecting technicians who are working during the fire work.
As a preferable technical scheme of the invention, the limiting module comprises an electronic fence or a high-altitude radar.
As a preferable technical scheme of the invention, the fixed module comprises a fixed camera and a face recognition instrument.
As a preferred technical scheme of the invention, the mobile module comprises an alarm loudspeaker, an intelligent safety helmet and an intelligent safety vest; the intelligent safety helmet is detachably connected with the gas probe, the camera and the interphone respectively; the intelligent safety vest is detachably connected with the human body locator and the gas probe respectively.
As a preferable technical scheme of the invention, the gas probe is used for detecting the oxygen content, the combustible gas content, the toxic gas content and the LEL index.
As a preferred technical solution of the present invention, the mobile module further includes an information collector.
As a preferable technical scheme of the invention, one end of the information collector is respectively connected with the safety helmet and the safety vest in a wireless mode, and the other end of the information collector is connected with the signal end through a wired cable.
Compared with the prior art, the invention has the following beneficial effects:
the mobile gas probe of the mobile module can also transmit the combustible gas content, the toxic gas content and the LEL index of the fire working area to the signal end, so that workers outside the fire working area judge whether the fire working area is dangerous or not, and if the fire working area is dangerous, the workers can inform technicians working in the fire working area through the interphone in time; the fixed camera of fixed module and the camera of intelligent safety cap record the real-time operation in the fire moving area, transmit the signal end to, make the staff outside the fire moving area judge whether the technical staff of working in the fire moving area standardizes the operation, when the operation is not standardized, in time inform the technical staff of working through the intercom.
In addition, the area of operation of starting a fire has been divided to spacing module, when personnel passed in and out operation of starting a fire area, can transmit information to the signal end, and managers can master the personnel of passing in and out operation of starting a fire area from this.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flow diagram of the fire operation safety maintenance system.
Fig. 2 is a schematic view of a moving module in a general firing work.
Fig. 3 is a schematic view of the moving module during a fire operation in a confined space.
Detailed Description
The present invention will be more readily understood by reference to the following detailed description of preferred embodiments of the invention and the examples included therein. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In case of conflict, the present specification, including definitions, will control.
The terms "comprises," "comprising," "includes," "including," "has," "having," "contains," "containing," or any other variation thereof, as used herein, are intended to cover a non-exclusive inclusion. For example, a composition, process, method, article, or apparatus that comprises a list of elements is not necessarily limited to only those elements but may include other elements not expressly listed or inherent to such composition, process, method, article, or apparatus.
In addition, the indefinite articles "a" and "an" preceding an element or component of the invention are not intended to limit the number requirement (i.e., the number of occurrences) of the element or component. Thus, "a" or "an" should be read to include one or at least one, and the singular form of an element or component also includes the plural unless the stated number clearly indicates that the singular form is intended.
The present invention is illustrated by the following specific embodiments, but is not limited to the specific examples given below.
The invention provides a fire operation safety maintenance system in a first aspect, which comprises a signal end and a real-time acquisition end; the signal end and the real-time acquisition end are connected in a wireless mode.
In a preferred embodiment, the maintenance system further comprises a central control center and a central command module, and the signal obtained by the signal end is transmitted to the central command center and processed by the central command module.
In a preferred embodiment, the signal terminal comprises a signal receiving and transmitting device.
As a preferred embodiment, the real-time acquisition end includes a limiting module, a fixing module and a moving module.
In a preferred embodiment, the limiting module is used for encircling a working area for the operation of the fire; the fixed module is used for recording the whole picture of the real-time operation of the fire operation and identifying the face of a technician in the picture; the mobile module is used for protecting technicians who are working during the fire operation.
In a preferred embodiment, the position limiting module comprises an electronic fence or a high-altitude radar.
The electronic fence system comprises three parts, namely an electronic fence host, a front-end accessory and a rear-end control system. Generally, the electronic fence host is installed outdoors along an original fence (such as a brick wall, a cement wall or an iron fence), and the pulse electronic fence host is also generally installed outdoors, and transmits an alarm signal to a control keyboard of a rear-end control center through signal transmission equipment, displays the working state of a defense area, and remotely performs operations such as defense deployment and withdrawal control on an external pulse host.
High altitude radar refers to an aerial radar system that can be divided into regions.
As a preferred embodiment, the fixing module comprises a fixing camera and a face recognition instrument.
As a preferred embodiment, the mobile module comprises an alarm loudspeaker, a smart helmet and a smart safety vest; the intelligent safety helmet is detachably connected with the gas probe, the camera and the interphone respectively; the intelligent safety vest is detachably connected with the human body locator and the gas probe respectively.
The detachable connection is a snap connection.
In a preferred embodiment, the gas probe is used for detecting oxygen content, combustible gas content, toxic gas content and LEL index. Oxygen content is of vital importance to the technician when working on a fire in a confined space.
The combustible gas comprises hydrogen sulfide gas, hydrogen gas and carbon monoxide gas; the toxic gas includes nitrogen dioxide gas and ammonia gas.
The LEL index is a technical index in the field of combustible gases, and refers to the content of the combustible gas in air and the percentage of its lower explosive limit.
The alarm loudspeaker is used for alarming in an emergency and increasing the alarm volume;
the intelligent safety helmet is used for protecting the head of a technician, and when an accident happens, the injury of the accident to the head of the technician is reduced as much as possible;
the intelligent safety vest is used for protecting the heart of a technician, and when an accident happens, the injury of the accident to the technician is reduced as much as possible;
the camera is used for recording the operation of a technician during operation;
the interphone is used for transmitting information with workers outside the fire working area;
the human body locator is used for locating the position of a technician during fire operation.
The confined space refers to semi-closed and closed places and facilities such as various equipment interiors (furnaces, tower kettles, tanks, pools, bins and the like) of factories, sewers, tunnels, culverts, ditches, wells, pits, pools, valve rooms, sewage treatment facilities and the like, and mines with poor ventilation and the like.
As a preferred embodiment, the mobile module further comprises an information collector. When the fire operation is carried out in the limited space, the limited space is equivalent to a closed container and partially shields wireless signals in the limited space and outside the limited space, so that a wired cable is selected to connect the information collector in the limited space and a signal end outside the limited space.
As a preferred embodiment, one end of the information collector is respectively connected with the intelligent safety helmet and the intelligent safety vest in a wireless mode, and the other end of the information collector is connected with the signal end through a wired cable.
When a technician carries out a fire operation in a fire operation area, the gas probes on the intelligent safety helmet and the intelligent safety vest can measure the combustible gas content, the toxic gas content and the LEL index of the fire operation area, so that the technician can constantly judge whether the environment is dangerous; in addition, the mobile gas probe of the mobile module can also transmit the combustible gas content, the toxic gas content and the LEL index of the fire working area to the signal end, so that workers outside the fire working area judge whether the fire working area is dangerous or not, and if the fire working area is dangerous, the workers can inform technicians working in the fire working area through the interphone in time; the fixed camera of the fixed module and the camera of the intelligent safety helmet record real-time operation in the fire action area and transmit the recorded operation to the signal end, so that workers outside the fire action area judge whether technicians working in the fire action area operate in a standard mode or not, and when the operation is not standard, the technicians working in the fire action area are informed in time through the interphone.
When technicians carry out fire operation in a fire operation area in the limited space, the limited space is equivalent to a closed container and partially shields wireless signals in the limited space and outside the limited space, so that a wired cable is selected to connect an information collector in the limited space and a signal end outside the limited space. The gas probes on the intelligent safety helmet and the intelligent safety vest can measure the oxygen content, combustible gas content, toxic gas content and LEL index of a fire operation area, so that technicians can judge whether the environment is dangerous or not at any time; in addition, the mobile gas probe of the mobile module can also transmit the oxygen content, combustible gas content, toxic gas content and LEL index of the fire working area to the signal end, so that workers outside the fire working area judge whether the fire working area is dangerous or not, and if the fire working area is dangerous, the workers can inform technicians working in the fire working area through the interphone in time; the fixed camera of fixed module and the camera of intelligent safety cap record the real-time operation in the fire moving area, transmit the signal end to, make the staff outside the fire moving area judge whether the technical staff of working in the fire moving area standardizes the operation, when the operation is not standardized, in time inform the technical staff of working through the intercom.
Examples
The present invention will be specifically described below by way of examples. It is to be noted that the following examples are given solely for the purpose of illustration and are not to be construed as limitations on the scope of the invention, as many insubstantial modifications and variations of the invention described above will now occur to those skilled in the art.
Example 1
The embodiment provides a fire operation safety maintenance system, which comprises a signal end and a real-time acquisition end as shown in figure 1; the signal end is wirelessly connected with the real-time acquisition end. The maintenance system also comprises a central control center and a central command module, and the signal obtained by the signal end is transmitted to the central command center and processed by the central command module.
The signal end comprises a signal receiving and transmitting instrument.
The real-time acquisition end comprises a limiting module, a fixing module and a moving module.
The limiting module is used for circling the operation area of the fire operation;
and the fixing module is used for recording the whole picture of the real-time operation of the fire operation and identifying the face of the technician in the picture.
And the moving module is used for protecting technicians working during the fire operation.
The limiting module comprises an electronic fence.
The fixed module comprises a fixed camera and a face recognition instrument.
The mobile module, as shown in fig. 2, comprises an alarm loudspeaker, an intelligent safety helmet and an intelligent safety vest; the intelligent safety helmet is detachably connected with the gas probe, the camera and the interphone respectively; the intelligent safety vest is detachably connected with the human body positioning instrument and the gas probe respectively.
The detachable connection is a snap connection.
The alarm loudspeaker is used for alarming in an emergency and increasing the alarm volume;
the intelligent safety helmet is used for protecting the head of a technician, and when an accident happens, the injury of the accident to the head of the technician is reduced as much as possible;
the intelligent safety vest is used for protecting the heart of a technician and reducing the injury of an accident to the technician as much as possible when the accident happens;
the gas probe is used for detecting the combustible gas content, the toxic gas content and the LEL index;
the camera is used for recording the operation of technicians during operation;
the interphone is used for transmitting information with workers outside the fire working area;
the human body positioning instrument is used for positioning the position of a technician during fire operation.
Example 2
The embodiment provides a fire operation safety maintenance system, which comprises a signal end and a real-time acquisition end as shown in figure 1. The signal end and the real-time acquisition end are connected in a wireless mode. The maintenance system also comprises a central control center and a central command module, and the signal obtained by the signal end is transmitted to the central command center and processed by the central command module.
The operation of firing is carried out in a confined space.
The signal end comprises a signal receiving and transmitting instrument.
The real-time acquisition end comprises a limiting module, a fixing module and a moving module.
The limiting module is used for circling the operation area of the fire operation;
and the fixing module is used for recording the whole picture of the real-time operation of the fire operation and identifying the face of the technician in the picture.
And the moving module is used for protecting technicians working during the fire operation.
The limiting module comprises a high-altitude radar.
The fixed module comprises a fixed camera and a face recognition instrument.
The mobile module, as shown in fig. 3, comprises an alarm loudspeaker, an intelligent safety helmet, an intelligent safety vest and an information collector; one end of the information collector is respectively connected with the intelligent safety helmet and the intelligent safety vest in a wireless mode, and the other end of the information collector is connected with the signal end through a wired cable; the intelligent safety helmet is detachably connected with the gas probe, the camera and the interphone respectively; the intelligent safety vest is detachably connected with the human body positioning instrument and the gas probe respectively.
The detachable connection is a snap connection.
The alarm loudspeaker is used for alarming in an emergency and increasing the alarm volume;
the intelligent safety helmet is used for protecting the head of a technician, and when an accident happens, the injury of the accident to the head of the technician is reduced as much as possible;
the intelligent safety vest is used for protecting the heart of a technician, and when an accident happens, the injury of the accident to the technician is reduced as much as possible;
the gas probe is used for detecting the oxygen content, the combustible gas content, the toxic gas content and the LEL index;
the camera is used for recording the operation of technicians during operation;
the interphone is used for transmitting information with workers outside the fire working area;
the human body positioning instrument is used for positioning the position of a technician during fire operation.
Therefore, the fire operation safety maintenance system reduces the occurrence rate of safety accidents and improves the operation efficiency and operation standardization.
The foregoing examples are merely illustrative and serve to explain some of the features of the method of the present invention. The appended claims are intended to claim as broad a scope as is contemplated, and the examples presented herein are merely illustrative of selected implementations in accordance with all possible combinations of examples. Accordingly, it is applicants' intention that the appended claims are not to be limited by the choice of examples illustrating features of the invention. Also, where numerical ranges are used in the claims, subranges therein are included, and variations in these ranges are also to be construed as possible being covered by the appended claims.
Claims (10)
1. A fire operation safety maintenance system is characterized by comprising a signal end and a real-time acquisition end; the signal end and the real-time acquisition end are connected in a wireless mode.
2. The fire working safety maintenance system of claim 1, wherein the signal terminal comprises a signal receiving and transmitting instrument.
3. The fire working safety maintenance system according to claim 1, wherein the real-time acquisition end comprises a limiting module, a fixing module and a moving module.
4. The fire operation safety maintenance system according to claim 3, wherein the limiting module is used for encircling an operation area for fire operation; the fixed module is used for recording the whole picture of the real-time operation of the fire operation and identifying the face of a technician in the picture; the mobile module is used for protecting technicians who are working during the fire operation.
5. The fire working safety maintenance system of claim 4, wherein the spacing module comprises an electronic fence or an aerial radar.
6. The fire working safety maintenance system of claim 3, wherein the fixed module comprises a fixed camera and a face recognition instrument.
7. The fire work safety overhaul system of claim 3 or 4, wherein the mobile module comprises an alarm microphone, a smart helmet and a smart safety vest; the intelligent safety helmet is detachably connected with the gas probe, the camera and the interphone respectively; the intelligent safety vest is detachably connected with the human body positioning instrument and the gas probe respectively.
8. The safety inspection system for working on fire according to claim 7, wherein the gas probe is used for detecting oxygen content, combustible gas content, toxic gas content and LEL index.
9. The fire safety service system of claim 7, wherein the mobile module further comprises an information collector.
10. The safety inspection system for fire working according to claim 9, wherein one end of the information collector is connected with the intelligent safety helmet and the intelligent safety vest in a wireless mode, and the other end of the information collector is connected with the signal end through a wired cable.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110932805.XA CN115083108A (en) | 2021-08-13 | 2021-08-13 | Fire operation safety maintenance system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110932805.XA CN115083108A (en) | 2021-08-13 | 2021-08-13 | Fire operation safety maintenance system |
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| CN115083108A true CN115083108A (en) | 2022-09-20 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107369290A (en) * | 2017-08-03 | 2017-11-21 | 国网安徽省电力公司检修公司 | 1000kV extra-high-voltage alternating currents station job safety early warning system and method |
| KR20190063089A (en) * | 2017-11-29 | 2019-06-07 | 한국전력공사 | Smart Safety Helmet |
| CN110056395A (en) * | 2019-05-17 | 2019-07-26 | 合肥帧讯软件有限公司 | Automatic identification and prewarning analysis system are examined in a kind of detection of coal mining equipment |
| CN112382044A (en) * | 2020-10-30 | 2021-02-19 | 北京中铁建建筑科技有限公司 | Intelligent safety monitoring system for construction site |
| CN112947205A (en) * | 2021-02-25 | 2021-06-11 | 济南惠成达科技有限公司 | Movable maintenance safety monitoring system |
| CN213814925U (en) * | 2020-07-17 | 2021-07-27 | 中国能建集团装备有限公司 | Mobile flame identification system based on wireless local area network |
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2021
- 2021-08-13 CN CN202110932805.XA patent/CN115083108A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107369290A (en) * | 2017-08-03 | 2017-11-21 | 国网安徽省电力公司检修公司 | 1000kV extra-high-voltage alternating currents station job safety early warning system and method |
| KR20190063089A (en) * | 2017-11-29 | 2019-06-07 | 한국전력공사 | Smart Safety Helmet |
| CN110056395A (en) * | 2019-05-17 | 2019-07-26 | 合肥帧讯软件有限公司 | Automatic identification and prewarning analysis system are examined in a kind of detection of coal mining equipment |
| CN213814925U (en) * | 2020-07-17 | 2021-07-27 | 中国能建集团装备有限公司 | Mobile flame identification system based on wireless local area network |
| CN112382044A (en) * | 2020-10-30 | 2021-02-19 | 北京中铁建建筑科技有限公司 | Intelligent safety monitoring system for construction site |
| CN112947205A (en) * | 2021-02-25 | 2021-06-11 | 济南惠成达科技有限公司 | Movable maintenance safety monitoring system |
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