CN116754727A - Gas monitoring device, system and method for limited space - Google Patents
Gas monitoring device, system and method for limited space Download PDFInfo
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- CN116754727A CN116754727A CN202311036517.1A CN202311036517A CN116754727A CN 116754727 A CN116754727 A CN 116754727A CN 202311036517 A CN202311036517 A CN 202311036517A CN 116754727 A CN116754727 A CN 116754727A
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
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- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 4
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- 238000000926 separation method Methods 0.000 description 4
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Classifications
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
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- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
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- G01N33/0004—Gaseous mixtures, e.g. polluted air
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- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
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- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/004—CO or CO2
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- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0044—Sulphides, e.g. H2S
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- G—PHYSICS
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- G01N33/0004—Gaseous mixtures, e.g. polluted air
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- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
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- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0054—Ammonia
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N33/0004—Gaseous mixtures, e.g. polluted air
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- G01N33/0073—Control unit therefor
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Life Sciences & Earth Sciences (AREA)
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- Emergency Alarm Devices (AREA)
Abstract
The invention provides a limited space gas monitoring device, a limited space gas monitoring system and a limited space gas monitoring method, which belong to the technical field of gas monitoring, wherein the limited space gas monitoring device comprises: the wireless communication device, the control device, the sensor device, the shell and the movable top cover clamped on the shell; the wireless communication equipment is used for monitoring a wake-up instruction from the user terminal in real time and sending the wake-up instruction to the control equipment; the wake-up instruction is used for triggering gas monitoring; the control equipment is used for opening the movable top cover after receiving the wake-up instruction so that the gas in the limited space enters the shell; the sensor device is used for monitoring the gas in the limited space when the gas enters the shell. The limited space gas monitoring device provided by the invention opens the movable top cover based on the wake-up instruction sent by the user to trigger gas monitoring, so that the flexibility of monitoring the limited space gas is improved.
Description
Technical Field
The present invention relates to the field of gas monitoring technologies, and in particular, to a device, a system, and a method for monitoring a gas in a limited space.
Background
The urban infrastructure system comprises a plurality of limited spaces with narrow environment, high humidity and high corrosiveness, such as a sewage pipe network, a methane tank and the like.
In order to ensure the safety of space operation of staff in such a limited space, harmful gas in the limited space is generally required to be monitored, and after ventilation is generally adopted in the prior art, the staff wears a portable gas monitoring alarm to detect the harmful gas in the limited space.
In the prior art, when facing such horizontal working face of municipal sewage trench is longer and shaft part is darker municipal limited space, current monitoring mode exists that the monitoring coverage is limited, outside guarantee personnel can't in time acquire situation in the limited space, monitoring efficiency is low scheduling problem, and the limited space ubiquitous is high humidity, high corrosivity, no external power supply, communication difficulty scheduling problem, current monitoring facilities's sensor, circuit system, power all can not satisfy and monitor the work for a long time under this kind of adverse circumstances, the staff can not control the monitoring devices who places in the limited space according to actual maintenance demand in a flexible way.
Disclosure of Invention
The invention provides a limited space gas monitoring device, a system and a method, which are used for solving the defect that the gas concentration in a limited space cannot be continuously monitored for a long time in the prior art, and realizing the long-time continuous monitoring of the gas in the limited space during operation by a flexible monitoring method.
The invention provides a limited space gas monitoring device, comprising: the device comprises wireless communication equipment, control equipment, sensor equipment, a shell and a movable top cover clamped on the shell;
the wireless communication equipment is used for monitoring a wake-up instruction from the user terminal in real time and sending the wake-up instruction to the control equipment; the wake-up instruction is used for triggering gas monitoring;
the control equipment is used for opening the movable top cover after receiving the wake-up instruction so that the gas in the limited space enters the shell;
the sensor device is used for monitoring the gas in the limited space when the gas enters the shell.
According to the limited space gas monitoring device provided by the invention, the limited space gas monitoring device further comprises: a middleware;
the wireless communication device, the control device and the sensor device are arranged on the middleware;
the control apparatus includes: the motor, the spring assembly and the baffle plate are fixedly connected with the motor;
wherein one end of the spring assembly is fixed on the middle piece;
after the motor receives the wake-up instruction, the baffle plate is driven to rotate from a first position to a second position;
When the baffle plate is in the first position, the baffle plate is in contact with the other end of the spring assembly, and the spring assembly is in a compressed state;
and when the baffle plate reaches the second position, the other end of the spring assembly opens the movable top cover.
According to the limited space gas monitoring device provided by the invention, the limited space gas monitoring device further comprises:
the data acquisition module is arranged on the sensor equipment and is used for acquiring the gas monitoring data in the limited space and sending the gas monitoring data to the wireless communication equipment.
According to the limited space gas monitoring device provided by the invention, the limited space gas monitoring device further comprises: a power supply device disposed within the housing;
the power supply device is used for supplying power to the wireless communication device in a low-power consumption mode;
or, power is supplied to the control device and the sensor device in a normal power consumption mode.
According to the invention there is provided a limited space gas monitoring apparatus, the sensor device comprising at least one gas monitor.
The invention also provides a limited space gas monitoring system, comprising: wireless communication relay, cloud server, user terminal and limited space gas monitoring device as described in any of the above;
The user terminal is used for sending the awakening instruction to the cloud server;
the wireless communication relay is used for sending the awakening instruction to the gas monitoring device when receiving the awakening instruction sent by the cloud server.
According to the limited space gas monitoring system provided by the invention, the wireless communication relay is further used for transmitting the gas monitoring data to the cloud server;
the cloud server is further used for analyzing the gas monitoring data.
The invention also provides a limited space gas monitoring method, which is realized based on the limited space gas monitoring device and comprises the following steps:
opening the movable top cover based on the awakening instruction so as to enable the gas in the limited space to enter the shell;
the gas within the confined space is monitored as it enters the housing.
The invention also provides an electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing a method of monitoring a gas in a confined space as described in any one of the above when executing the program.
The invention also provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements a method of monitoring a gas in a confined space as described in any one of the above.
The invention also provides a computer program product comprising a computer program which when executed by a processor implements a method of monitoring a gas in a confined space as described in any one of the above.
The invention provides a limited space gas monitoring device, a limited space gas monitoring system and a limited space gas monitoring method, wherein the limited space gas monitoring device comprises: the wireless communication device, the control device, the sensor device, the shell and the movable top cover clamped on the shell; after the wireless communication device monitors a wake-up instruction sent by a user, the wake-up instruction is sent to the control device, so that a movable top cover on the shell is opened, gas in the limited space enters the shell and contacts with the sensor device in the shell, and the sensor starts to monitor the gas in the limited space. According to the limited space gas monitoring device, based on the wake-up instruction sent by the user, the monitoring is started after the wake-up instruction of the user is received, so that the flexibility of monitoring the limited space gas is improved.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the internal structure of a limited space gas monitoring apparatus provided by the present invention;
FIG. 2 is a schematic diagram of a limited space gas monitoring system according to the present invention;
FIG. 3 is a flow chart of a method for monitoring a gas in a confined space according to the present invention;
FIG. 4 is a schematic block diagram of a limited space gas monitoring structure provided by the present invention;
fig. 5 is a schematic structural diagram of an electronic device provided by the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order to facilitate a clearer understanding of various embodiments of the present invention, some relevant background knowledge is first presented as follows.
The limited space is a space which is closed or partially closed, has narrow and limited inlet and outlet, is not designed as a fixed workplace, has poor natural ventilation and is easy to cause accumulation of toxic and harmful inflammable and explosive substances or insufficient oxygen content. The limited space operation sites generally contain hydrogen sulfide, carbon monoxide, carbon dioxide, ammonia, methane (biogas), hydrogen cyanide and other gases, wherein the choking gases mainly comprising hydrogen sulfide and carbon monoxide are particularly prominent. Common limited space operations are: cleaning a pulp pool, a sedimentation tank, a brewing pool, a retting pool, a sewer, a manure pit, a cellar and the like; site pile wells, vertical shafts, mines and the like; containers such as reaction towers or kettles, tank trucks, storage tanks, steel cylinders and the like, pipes, flues, tunnels, ditches, pits, wells, culverts, cabins, underground warehouses, storage chambers, barns and the like. When working in such limited space, if ventilation is poor and the concentration of choking gas is high, the oxygen content in the air is reduced, which poses a threat to the safety of workers working in the limited space.
In order to ensure the operation safety of a limited space, the prior clear regulation is that the limited space operation should follow the principle of ventilation first, monitoring later and operation later. In the prior art, the operation of the limited space generally adopts the method that an operator wears a portable gas monitoring alarm to detect the harmful gas in the limited space after ventilation. When facing such horizontal operation face of municipal sewage trench is longer and the dark municipal limited space of shaft part, current monitoring mode exists that the monitoring coverage is limited, outside guarantee personnel can't in time obtain the problem such as situation in the limited space, monitoring efficiency is low, can not be quick, accurate, comprehensive discernment risk point, can't satisfy the operation demand that limited space work load is big, the face is wide, duration is short, temporarily stronger.
The problems of high humidity, high corrosiveness, no external power supply, difficult communication and the like generally exist in a limited space, and the sensors, the circuit systems and the power supplies of the existing gas monitoring equipment cannot work for a long time under the severe environment. In general, the limited space is not dangerous during non-operation, the cost-effective ratio of long-term real-time monitoring of the harmful gas in the limited space is very high, the necessity is not strong, and part of the limited space is not required to be continuously monitored for the limited space gas in a long-time state, and the limited space operation can be performed only when the problem occurs and the maintenance is required. Before the limited space operation is performed, the personnel safety of operators can be well guaranteed by monitoring the harmful gas in the limited space, and the method has important significance.
In summary, the invention combines the operation characteristics of the limited space, and in order to improve the flexibility and accuracy of monitoring the harmful gas in the limited space, reduce the monitoring cost and provide data support for the safety guarantee of operators during the operation, the embodiment provides a limited space gas monitoring device, a limited space gas monitoring system and a limited space gas monitoring method.
The invention provides a limited space gas monitoring device, a limited space gas monitoring system and a limited space gas monitoring method, which relate to the technical field of gas monitoring, in particular to limited space gas monitoring.
The limited space gas monitoring apparatus, system and method of the present invention are described below in conjunction with fig. 1-5.
Fig. 1 is a schematic internal structure of a limited space gas monitoring device provided by the present invention, as shown in fig. 1, the limited space gas monitoring device provided by the present invention includes:
the wireless communication device 5, the control device, the sensor device 7, the shell 12 and the movable top cover 13 clamped on the shell;
in particular, in the embodiment of the invention, the limited space is a space which is closed or partially closed, has narrow and limited inlets and outlets, is not designed to be a fixed workplace, has poor natural ventilation and is easy to cause accumulation of toxic and harmful inflammable and explosive substances or insufficient oxygen content. Can be a sewage well, a sewer, a septic pit, a construction site pile well, a vertical shaft, a mine and the like. The housing of the gas monitoring device is generally rectangular, or is suitable for a specific application, and the device terminal 6 of the gas monitoring device in a limited space includes the above-mentioned wireless communication device, control device, sensor device, housing and movable top cover clamped on the housing. Each plate structure inside the shell, such as the middle piece 15, is tightly connected through the sealing ring 11, and the sealing ring is made of flexible rubber materials, so that each plate body inside the terminal of the device is tightly connected.
The shell is specifically divided into a plurality of parts, including a protective shell for the control equipment and the sensor equipment in the shell, and a top cover shell for isolating the structure in the shell from the gas in the limited space, wherein the shell is made of anti-corrosion materials. The movable top cover is connected with the top cover shell in a clamping manner, the movable top cover is connected with the top cover shell in a clamping manner through an O-shaped sealing ring 14, and the O-shaped sealing ring can ensure stable sealing between the movable top cover and the top cover shell. In the embodiment of the invention, the gas monitoring device in the limited space is a strictly closed device when the gas monitoring is not needed, is isolated from the gas in the limited space, and does not consume energy except for wireless communication equipment in the gas monitoring device in the limited space. The device terminal 6 of the limited space gas monitoring device comprises the wireless communication equipment 5, the control equipment, the sensor equipment 7, the shell 12 and the movable top cover 13 clamped on the shell.
The wireless communication equipment is used for monitoring a wake-up instruction from the user terminal in real time and sending the wake-up instruction to the control equipment; the wake-up instruction is used for triggering gas monitoring;
Specifically, the wireless communication device 5 in the embodiment of the present invention is a wireless communication antenna disposed outside the housing, and in addition to this, other high-penetration wireless communication modes, a mode capable of implementing real-time transmission of data in underground or enclosed space may be disposed outside the housing. Wireless communication is a communication method for exchanging information by utilizing the characteristic that electromagnetic wave signals propagate in free space, and common wireless communication transmission methods and technologies are divided into two types: "short-range wireless communication technology" and "long-range wireless transmission technology", specific use is determined according to the application scenario. The wireless communication device in the embodiment of the invention monitors the wake-up instruction from the user terminal in real time in the low power consumption mode and sends the wake-up instruction to the control device.
The control equipment is used for opening the movable top cover after receiving the wake-up instruction so as to enable the gas in the limited space to enter the shell;
specifically, the control device is composed of a plurality of parts, including a motor 9, a spring assembly 8 and a baffle plate, wherein the baffle plate is fixedly connected with the motor, the motor is actually a rotatable switch, and the baffle plate can be driven to rotate when the motor rotates; the top of spring assembly is provided with the spring thimble, after control equipment received the instruction of awakening, limited space's gas monitoring device can break away from low-power consumption mode, change normal operating mode into, under normal operating mode, the motor can drive the separation blade and rotate, release spring assembly from compression state, with the help of elastic potential energy, the spring thimble that spring assembly top set up can open the activity top cap on the top cap casing, the gas that waits to monitor in the limited space can get into the casing through the entry of activity top cap, contact the inside sensor device of casing, through this kind of mode, awaken up sensor device.
A sensor device for monitoring the gas in the confined space as it enters the housing.
Specifically, the sensor device includes a plurality of gas monitoring sensors, starts monitoring when contacting the gas in the limited space, and transmits the monitoring data to the cloud server through the wireless communication device.
The gas sensor according to the embodiment of the present invention is a device that converts information such as the composition and concentration of a gas into information that can be used by a person, an instrument, a computer, or the like. In the context of embodiments of the present invention, a gas sensor is to have characteristics including stability, sensitivity, selectivity and corrosion resistance.
Stability refers to the stability of the gas sensor's basic response over the operating time, depending on zero drift and interval drift. Zero drift refers to the change in sensor output response over the operating time without target gas. Interval drift refers to a change in the output response of a sensor placed continuously in a target gas, manifested as a decrease in the sensor output signal over the operating time. Ideally, one sensor would have less than 10% zero drift per year under continuous operating conditions. Sensitivity refers to the ratio of the sensor output variation to the measured input variation, and is primarily dependent on the technology used in the sensor structure. Most gas sensors are designed based on biochemical, electrochemical, physical and optical principles. First, it is considered to select a sensitive technique that is sufficiently sensitive to the detection of the valve limit or the percentage of the lowest explosion limit of the target gas. Selectivity is also known as cross sensitivity. Can be determined by measuring the sensor response produced by a certain concentration of interfering gas. This response is equivalent to the sensor response produced by a concentration of the target gas. This characteristic is very important in applications where tracking multiple gases is important, because cross sensitivity can reduce the repeatability and reliability of the measurement, and ideal sensors should have high sensitivity and high selectivity. Corrosion resistance means that in the embodiment of the invention, the sensor needs to be contacted with the gas in the limited space, and certain corrosion exists on the sensor, so that in order to ensure normal operation of functions, certain corrosion resistance of the gas monitoring sensor needs to be ensured.
Specifically, the gas monitoring sensor in the sensor device is also covered with an amphiphobic filter membrane 10, and the amphiphobic filter membrane has the functions of oleophobic and hydrophobic, so that the cleanliness of a sensor detection port can be continuously ensured, and the accuracy of a monitoring result is further ensured.
The limited space gas monitoring device provided by the embodiment of the invention comprises: the wireless communication device, the control device, the sensor device, the shell and the movable top cover clamped on the shell; after the wireless communication device monitors a wake-up instruction sent by a user, the wake-up instruction is sent to the control device, so that a movable top cover on the shell is opened, gas in a limited space enters the shell and is in contact with the sensor device in the shell, the sensor starts to monitor the gas in the limited space, and the monitoring result is transmitted to the outside through the wireless communication device for analysis and processing. When the gas monitoring device does not monitor the wake-up instruction, the gas monitoring device is in a standby state with low energy consumption, and the shell of the device is in a sealed state and is not in contact with the gas in the limited space; after the wake-up instruction sent by the user is monitored, the movable top cover of the controller control device in the gas monitoring device is opened, so that the sensor in the gas monitoring device is in contact with the gas in the limited space, and the gas starts to be monitored. The gas monitoring device for the limited space, provided by the embodiment of the invention, can realize the conversion from the standby state to the working state based on the wake-up instruction sent by the user, is in a low-energy consumption state in the standby state, reduces the cost of monitoring the gas in the limited space, starts monitoring after receiving the wake-up instruction of the user, improves the flexibility of monitoring the gas in the limited space, enables the gas monitoring device to start working and obtain returned analysis data through the wake-up instruction before the staff performs the operation in the limited space, ensures the operation safety in the limited space, and expands the application scene.
Optionally, the gas monitoring device with limited space provided by the embodiment of the invention further comprises a middle piece 15;
specifically, the wireless communication device, the control device and the sensor device are arranged on the middleware; the middle piece is a plate type structure in the device terminal and is used for fixing the partial equipment and the components.
Specifically, the control apparatus includes: the motor, the spring assembly and the baffle plate are fixedly connected with the motor;
one end of the spring assembly is fixed on the middle piece, namely the bottom fixing part of the spring assembly, the top of the spring assembly is a spring thimble, the baffle plate is fixedly connected with the motor, the motor is actually a rotatable switch, and the baffle plate can be driven to rotate when the motor rotates; the top of spring assembly is provided with the spring thimble, after control equipment received the instruction of awakening up, and the motor can drive the separation blade and rotate, releases spring assembly from compression state, and with the help of elastic potential energy, the spring thimble that spring assembly top set up can open the activity top cap on the top cap casing, and the gas of waiting to monitor in the limited space can get into the casing through the entry of activity top cap, contacts the inside sensor equipment of casing.
After receiving a wake-up instruction sent by the wireless communication equipment, the motor drives the baffle to rotate from a first position to a second position;
when the baffle is in the first position, the baffle contacts the other end of the spring assembly, and the spring assembly is in a compressed state; in the embodiment of the invention, one end of the spring assembly is fixed on the middle piece, namely the bottom fixing part of the spring assembly, the other end of the spring assembly refers to a spring thimble arranged at the top end of the spring assembly, and when the baffle is in the first position, the spring main body part in the spring assembly is pressed below the baffle and is in a compressed state.
When the baffle plate reaches the second position, the other end of the spring assembly opens the movable top cover. After the motor in the control device receives the wake-up instruction sent by the wireless communication device, the motor rotates to drive the baffle to rotate, so that the baffle is turned from the first position to the second position. After the baffle plate reaches the second position, the baffle plate can be moved away from the top end part of the spring assembly, the limitation of the spring assembly is relieved, the main body part in the spring assembly is converted into a release state from a compression state, meanwhile, the spring thimble at the top of the spring assembly is used for releasing elastic potential energy by virtue of the main body part of the spring assembly, the movable top cover on the top cover shell can be opened by virtue of the spring thimble arranged at the top end of the spring assembly, and gas to be monitored in a limited space can enter the shell through the inlet of the movable top cover and contact sensor equipment inside the shell.
The embodiment of the invention provides a limited space gas monitoring device, wherein a control device comprises: the motor, spring assembly, with motor fixed connection's separation blade. After the motor receives a wake-up instruction sent by the wireless communication device, the baffle is driven to rotate from the first position to the second position, when the baffle reaches the second position, the other end of the spring assembly is opened, the baffle can be moved away from the top end of the spring assembly, the limitation of the spring assembly is relieved, the main body part in the spring assembly is converted into a release state from a compression state, meanwhile, the spring thimble at the top of the spring assembly is used for releasing elastic potential energy by the main body part of the spring assembly, the movable top cover on the top cover shell can be opened by the spring thimble arranged at the top end of the spring assembly, and gas to be monitored in a limited space can enter the shell through an inlet of the movable top cover and contact sensor equipment inside the shell. Based on the awakening instruction sent by the user, the sensor is in contact with the gas in the limited space through the spring assembly in the gas monitoring device, the gas in the limited space is monitored, and the flexibility of gas monitoring is improved.
Optionally, the limited space gas monitoring device provided by the embodiment of the present invention further includes:
The data acquisition module is arranged on the sensor equipment and is used for acquiring the gas monitoring data in the limited space and transmitting the gas monitoring data to the wireless communication equipment.
Specifically, after the sensor device starts working, the gas in the limited space can be monitored in real time, so that the purpose is to monitor the components, the real-time concentration and the like of the harmful gas, but professional analysis in the field is needed, the related data of the harmful gas monitored by the sensor in real time are needed to be collected, and the collected gas data in the limited space is sent to the outside through a data collection module in a wireless communication mode for further processing and analysis. The data acquisition module of the embodiment of the invention is a communication module based on a remote data acquisition module platform, and integrates a communication chip, a storage chip and the like on a circuit board, so that the communication module has a function of remotely transmitting data in real time.
The limited space gas monitoring device provided by the embodiment of the invention collects the gas data in the limited space through the data acquisition module and sends the gas monitoring data to the wireless communication equipment. After the gas monitoring data is transmitted out through the wireless communication module, further analysis can be carried out, the analysis data mainly comprises the types and the contents of harmful gases in the limited space monitored by the target, and relevant analysis data which are obtained by further analysis based on the data and are used for indicating the attention of the staff, for example, before the staff enters the limited space, the ventilation time of the limited space needs to be ensured, the staff can only enter the limited space to carry out operation until the harmful gases in the limited space reach the target concentration, the working time of the staff in the limited space is the working time of the staff, and the staff needs to wear protective equipment of what level. The gas monitoring data acquired by the data acquisition equipment ensures the accuracy of relevant analysis data and improves the safety degree of workers in limited space operation.
Optionally, a limited space gas monitoring device according to an embodiment of the present invention includes: a power supply device disposed within the housing;
a power supply device for supplying power to the wireless communication device in a low power consumption mode;
or, the control device and the sensor device are supplied with power in a normal power consumption mode.
Specifically, the power supply device in the embodiment of the invention refers to a high-capacity battery pack, and the gas monitoring device in a limited space is a monitoring device with a bimodal mechanism, and is specifically divided into a standby state and a working state, and the conversion from the standby state to the working state is realized through a wake-up instruction sent by a user; when the gas monitoring device in the limited space is in a standby state, namely a non-working state, only the low-power consumption power supply requirement of the wireless communication equipment and the control equipment is maintained, generally in microampere level, in the standby state, the wireless communication equipment monitors a wake-up instruction sent by a user in real time, other functional equipment in the device is in a dormant state, and in the standby state, the power supply equipment, namely the high-capacity battery pack, can realize the ultra-long standby time of the wireless communication equipment, for example, half a year or more, and the time is longer than the regular overhaul time of the limited space. After the wireless communication module receives a wake-up instruction sent by a user, the gas monitoring device is converted into a working state, and all functional modules in the device start to operate, including but not limited to a control device, a sensor and the like, at the moment, the power supply device can meet all power supply requirements of the wireless communication device, the control device and the sensor device, and the power supply device is generally in a milliamp level so that the control device and the sensor device can work normally.
The limited space gas monitoring device provided by the embodiment of the invention is divided into two power supply modes by the power supply equipment for supplying power for a long period, and the power supply mode is a low-power consumption mode when the monitoring device is in a standby state, so that the monitoring device can work for a long time without frequent replacement, the cost is reduced, and the application scene is expanded; when the monitoring device is in a working state, normal power supply is normally carried out to the functional module inside the monitoring device, the monitoring of the gas in the limited space is realized, and the flexibility of the gas monitoring device is improved through the two power supply modes.
Optionally, the sensor device in the limited space gas monitoring apparatus provided by the embodiment of the invention includes at least one gas monitor.
In particular, in an application scenario of the embodiment of the present invention, for example, a limited space operation site of a sewage well generally contains hydrogen sulfide, carbon monoxide, carbon dioxide, ammonia, methane (biogas), hydrogen cyanide and other gases, where choking gases mainly including hydrogen sulfide and carbon monoxide are particularly prominent. The plurality of gas monitors included in the sensor device may be selected according to the type of harmful gas included in the specific application scenario of the gas monitoring apparatus, but these gas monitors generally have certain stability, sensitivity, selectivity and corrosion resistance.
According to the limited space gas monitoring device provided by the embodiment of the invention, the gas monitor is used for monitoring the harmful gas in the limited space, and the data acquisition equipment is used for transmitting the acquired gas monitoring data to carry out subsequent analysis processing, so that the accuracy of relevant analysis data is ensured, and the safety degree of workers in the limited space is improved.
The invention also provides a limited space gas monitoring system, fig. 2 is a schematic structural diagram of the limited space gas monitoring system provided by the invention, as shown in fig. 2, the limited space gas monitoring system provided by the invention comprises: wireless communication relay 201, cloud server 202, user terminal 203, and gas monitoring device 204 of limited space as described above;
the user terminal is used for sending a wake-up instruction to the cloud server;
specifically, the wake-up instruction may be voice or a front page which exists in the form of options for the user to use, and in the wake-up instruction, a specific place for monitoring the opening, the time for monitoring the opening of the device and the like can be selected; the display form of the user terminal can be APP and applet, and the user terminal can be any terminal capable of realizing the sending of the wake-up instruction, such as a mobile phone, a notebook computer, a desktop computer and the like. The user terminal is also used for viewing the finally obtained analysis data. After receiving the data acquired by the data acquisition module of the wireless communication relay, the cloud server analyzes and processes the data, and finally converts the data into analysis data which is convenient for a user to view, and the analysis data can be intuitively displayed in a chart or other forms. The analysis data mainly comprises the types and the contents of harmful gases in the limited space monitored by the target, and relevant analysis data which are obtained by further analysis based on the data and are used for indicating the attention of the staff, for example, the ventilation time of the limited space needs to be ensured before the staff enters the limited space, the staff can not enter the limited space to operate until the harmful gases in the limited space reach the target concentration, the working time of the staff in the limited space, what level of protection equipment the staff needs to wear, and the like.
And the wireless communication relay is used for sending the wake-up instruction to the gas monitoring device when receiving the wake-up instruction sent by the cloud server.
Specifically, after a user terminal sends a wake-up instruction to a cloud server, the cloud server sends the wake-up instruction to a wireless communication relay, the wireless communication relay sends the wake-up instruction to wireless communication equipment in a gas monitoring device after receiving the wake-up instruction, at the moment, the wireless communication equipment in the gas monitoring device monitors the wake-up instruction in real time, and once the wake-up instruction sent by the wireless communication relay is monitored, control equipment and sensor equipment in the gas monitoring device start working; after the data acquisition module in the gas monitoring device is used for acquiring monitoring data of the gas, the data acquisition module is used for transmitting the gas monitoring data to the wireless communication equipment, the wireless communication equipment is used for transmitting the gas monitoring data to the wireless communication relay, and the wireless communication relay is used for transmitting the gas monitoring data to the cloud server for subsequent processing and analysis. The wireless relay technology is proposed aiming at the environment that the wiring cost of the wired backbone network is very high, and other wireless access points cannot be connected with the wired backbone network due to the surrounding environment factors, and the wireless coverage area can be enlarged by utilizing the networking mode of combining the wireless relay and the wireless coverage, so that the wireless network roaming is realized. The wireless relay technology is to relay wireless signals from one relay point to the next relay point by utilizing the wireless relay function of the wireless access point and form a new wireless coverage area, thereby forming a plurality of wireless relay coverage point relay modes and finally achieving the purpose of extending the coverage area of a wireless network.
The limited space gas monitoring system provided by the embodiment of the invention comprises the wireless communication relay, the cloud server, the user terminal and the gas monitoring device, so that the gas in the limited space can be monitored in advance and in real time during operation, the gas monitoring device is in a dormant state during non-operation, the energy is saved, the cost is reduced, and the flexibility of monitoring the gas in the limited space is improved; the user sends a wake-up instruction based on the user terminal to enable the gas monitoring device to perform state conversion, real-time performance and accuracy of data are guaranteed through wireless communication relay, subsequent processing and analysis are performed through the cloud server, and availability of the data is guaranteed.
Optionally, the wireless communication relay of the limited space gas monitoring system provided by the embodiment of the present invention is further configured to transmit gas monitoring data to the cloud server;
and the cloud server is also used for storing the gas monitoring data.
Specifically, the function of the cloud server includes sending a wake-up instruction, the user terminal sends the wake-up instruction to the cloud server, the cloud server sends the wake-up instruction to the wireless communication relay, meanwhile, the cloud server is further used for receiving gas monitoring data returned by the wireless communication relay, further processing and analyzing the received gas monitoring data, the analysis data mainly includes types and contents of harmful gases in a limited space of target monitoring, and relevant analysis data which are obtained by further analyzing the analysis data and are used for indicating notes of a worker, for example, before the worker enters the limited space, the ventilation time of the limited space needs to be ensured, the worker can only enter the limited space for operation until the harmful gases in the limited space reach the target concentration, the working time of the worker in the limited space, what level of protective equipment the worker needs to wear, and the like. And then the relevant analysis data is sent to the user terminal, so that the user can check the relevant analysis data conveniently. After the analysis processing of the gas monitoring data is finished, the processed data can be stored in a cloud server to form a database of the gas monitoring data in the area, a corresponding analysis report is formed, and data support is provided for the limited space operation of staff in the area.
The invention also provides a method for monitoring the gas in the limited space, which is realized based on the device for monitoring the gas in the limited space in the embodiment, and fig. 3 is a schematic flow chart of the method for monitoring the gas in the limited space, as shown in fig. 3, the method for monitoring the gas in the limited space provided by the invention comprises the following steps:
step 301, opening the movable top cover based on a wake-up instruction so that gas in the limited space enters the shell;
specifically, in this step, after control equipment received the instruction of awakening up, the motor can drive the separation blade and rotate, releases spring assembly from compression state, and with the help of elastic potential energy, the spring thimble that spring assembly top set up can open the activity top cap on the top cap casing, and the gas of waiting to monitor in the limited space can get into the casing through the entry of activity top cap, contacts the inside sensor equipment of casing.
Step 302, monitoring gas in the limited space as it enters the housing.
Specifically, in this step, after the sensor device starts working, the gas in the limited space is monitored in real time, so as to monitor the components, the real-time concentration, etc. of the harmful gas, but professional analysis in the field is required, the related data of the harmful gas monitored in real time by the sensor needs to be collected, and the collected gas data in the limited space is sent to the outside through a data collection module in a wireless communication mode for further processing and analysis.
According to the gas monitoring method for the limited space, provided by the embodiment of the invention, the gas in the limited space enters the gas monitoring device based on the wake-up instruction, and the collected monitoring data is sent to the cloud server for analysis and processing based on the data acquisition module, so that flexible monitoring of the gas in the limited space is realized, and the gas monitoring cost is reduced on the premise of ensuring the real-time property and accuracy of the monitoring data.
The present invention also provides a limited space gas monitoring structure, and fig. 4 is a schematic block diagram of the limited space gas monitoring structure provided by the present invention, as shown in fig. 4, where the limited space gas monitoring structure provided by the present invention includes:
a conversion unit 401 for opening the movable top cover based on a wake-up instruction so that the gas in the limited space enters the housing; after the control equipment receives the awakening instruction, the motor can drive the baffle to rotate, the spring assembly is released from the compressed state, the movable top cover on the top cover shell can be opened by the aid of elastic potential energy through the spring thimble arranged at the top end of the spring assembly, and gas to be monitored in a limited space can enter the shell through the inlet of the movable top cover and contact sensor equipment inside the shell.
A monitoring unit 402 for monitoring the gas in the limited space as it enters the housing.
Specifically, after the gas in the limited space enters the shell, the sensor equipment starts to work, monitors the gas in the limited space in real time, and aims to monitor the components, the real-time concentration and the like of the harmful gas, but the harmful gas needs professional analysis in the field, so that the sensor equipment is provided with a data acquisition module, relevant data of the harmful gas monitored by the sensor in real time are acquired, and the acquired gas data in the limited space are sent to the outside through the data acquisition module in a wireless communication mode for further processing and analysis.
According to the limited space gas monitoring structure, through the cooperation between the two units, the effect that the gas in the limited space enters the gas monitoring device based on the wake-up instruction is achieved, when the gas in the limited space enters the shell, the gas starts to be monitored, the flexible monitoring of the gas in the limited space is achieved, and on the premise that the real-time performance and accuracy of monitoring data are guaranteed, the gas monitoring cost is reduced.
Fig. 5 is a schematic structural diagram of an electronic device according to the present invention, and fig. 5 illustrates a schematic physical structural diagram of an electronic device, as shown in fig. 5, where the electronic device may include: processor 510, communication interface (Communications Interface) 520, memory 530, and communication bus 540, wherein processor 510, communication interface 520, memory 530 complete communication with each other through communication bus 540. Processor 510 may invoke logic instructions in memory 530 to perform the limited-space gas monitoring method described above, which includes: opening the movable top cover based on the awakening instruction so as to enable the gas in the limited space to enter the shell; the gas within the confined space is monitored as it enters the housing.
Further, the logic instructions in the memory 530 described above may be implemented in the form of software functional units and may be stored in a computer-readable storage medium when sold or used as a stand-alone product. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
In another aspect, the present invention also provides a computer program product comprising a computer program storable on a non-transitory computer readable storage medium, the computer program when executed by a processor being capable of performing a method of monitoring a gas in a confined space provided by the methods described above, the method comprising: opening the movable top cover based on the awakening instruction so as to enable the gas in the limited space to enter the shell; the gas within the confined space is monitored as it enters the housing. In yet another aspect, the present invention further provides a non-transitory computer readable storage medium having stored thereon a computer program which when executed by a processor is implemented to perform a method of monitoring a gas in a confined space provided by the above methods, the method comprising opening the movable roof based on the wake-up instruction to cause the gas in the confined space to enter the housing; the gas within the confined space is monitored as it enters the housing. The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course may be implemented by means of hardware. Based on this understanding, the foregoing technical solution may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the respective embodiments or some parts of the embodiments.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A limited space gas monitoring apparatus, comprising: the device comprises wireless communication equipment, control equipment, sensor equipment, a shell and a movable top cover clamped on the shell;
the wireless communication equipment is used for monitoring a wake-up instruction from the user terminal in real time and sending the wake-up instruction to the control equipment; the wake-up instruction is used for triggering gas monitoring;
the control equipment is used for opening the movable top cover after receiving the wake-up instruction so that the gas in the limited space enters the shell;
the sensor device is used for monitoring the gas in the limited space when the gas enters the shell.
2. The confined space gas monitoring device of claim 1, further comprising: a middleware;
the wireless communication device, the control device and the sensor device are arranged on the middleware;
the control apparatus includes: the motor, the spring assembly and the baffle plate are fixedly connected with the motor;
wherein one end of the spring assembly is fixed on the middle piece;
after the motor receives the wake-up instruction, the baffle plate is driven to rotate from a first position to a second position;
When the baffle plate is in the first position, the baffle plate is in contact with the other end of the spring assembly, and the spring assembly is in a compressed state;
and when the baffle plate reaches the second position, the other end of the spring assembly opens the movable top cover.
3. The confined space gas monitoring device of claim 1, further comprising:
the data acquisition module is arranged on the sensor equipment and is used for acquiring the gas monitoring data in the limited space and sending the gas monitoring data to the wireless communication equipment.
4. The confined space gas monitoring device of claim 1, further comprising: a power supply device disposed within the housing;
the power supply device is used for supplying power to the wireless communication device in a low-power consumption mode;
or, power is supplied to the control device and the sensor device in a normal power consumption mode.
5. The confined space gas monitoring device of claim 1, wherein the sensor arrangement comprises at least one gas monitor.
6. A limited space gas monitoring system, comprising: wireless communication relay, cloud server, user terminal and limited space gas monitoring device according to any of claims 1-5;
the user terminal is used for sending the awakening instruction to the cloud server;
the wireless communication relay is used for sending the awakening instruction to the gas monitoring device when receiving the awakening instruction sent by the cloud server.
7. The limited space gas monitoring system of claim 6 wherein the wireless communication relay is further configured to transmit the gas monitoring data to the cloud server;
the cloud server is further used for analyzing the gas monitoring data.
8. A method of monitoring a gas in a confined space, based on a confined space gas monitoring apparatus as claimed in any one of claims 1 to 5, comprising:
opening the movable top cover based on the awakening instruction so as to enable the gas in the limited space to enter the shell;
the gas within the confined space is monitored as it enters the housing.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the limited space gas monitoring method of claim 8 when the program is executed by the processor.
10. A non-transitory computer readable storage medium having stored thereon a computer program, which when executed by a processor implements the limited space gas monitoring method of claim 8.
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| CN211978834U (en) * | 2020-04-09 | 2020-11-20 | 济南瀚达电子科技有限公司 | Diffusion type gas detector |
| CN212845243U (en) * | 2020-05-18 | 2021-03-30 | 南京光蓝物联网科技有限公司 | Closed space gas detection equipment based on Internet of things |
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Application publication date: 20230915 |