CN106934998B - System and method for monitoring waste gas of fishing boat in real time - Google Patents
System and method for monitoring waste gas of fishing boat in real time Download PDFInfo
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Abstract
The invention relates to a fishing boat waste gas real-time monitoring system and a method, wherein the fishing boat waste gas real-time monitoring system is formed by a fish cabin waste gas monitoring subsystem, a fishing boat control subsystem and an emergency guarantee subsystem, each hydrogen sulfide sensor in the fish cabin waste gas monitoring subsystem respectively sends real-time monitoring data of the content of hydrogen sulfide gas in a fish cabin to a fish cabin processing module, and when the fish cabin processing module judges that the content of the hydrogen sulfide gas in the current fish cabin exceeds an alarm threshold value and the fluctuation value of the content of the hydrogen sulfide gas in the fish cabin is smaller than a preset alarm fluctuation threshold value, the fish cabin processing module respectively commands an exhaust fan and a first alarm device to start; when fishing boat workers find that gas poisoning of workers occurs in the fish cabin, real-time video connection is established between the fishing boat workers and medical department subsystems, first-aid guidance of the medical department is received, and a maritime emergency rescue command center commands all department subsystems to start rescue response aiming at the current fishing boat.
Description
Technical Field
The invention relates to the field of fishing boat waste gas monitoring, in particular to a real-time monitoring system and method for fishing boat waste gas.
Background
Currently, the fishery of China enters a new stage of continuous and stable health development. The development of fishery not only meets the requirements of people on aquatic products such as fishes, shrimps, crabs and the like, but also enlarges the export of the aquatic products, and favorably promotes the income level of fishermen.
When a fishing boat operates in the sea, because fish, shrimp and crab products are often required to be accumulated in a fish cabin of the fishing boat, once the products deteriorate, a large amount of hydrogen sulfide gas is generated. As the fish cabin is often in a semi-sealed state in the operation of the fishing vessel, the ventilation in the fish cabin is not smooth, and once personnel enter the fish cabin without taking protective measures, serious accidents of poisoning of the personnel due to hydrogen sulfide can be caused, and the life safety of the personnel on the fishing vessel is seriously threatened.
Therefore, how to effectively monitor the hydrogen sulfide gas in the fish tank to avoid poisoning caused by hydrogen sulfide by personnel on the fishing boat becomes one of the important problems that must be overcome in the current fishing boat operation.
Disclosure of Invention
The invention aims to solve the primary technical problem of providing a real-time monitoring system for waste gas of a fishing boat in view of the prior art.
The invention aims to provide a fishing boat waste gas real-time monitoring method aiming at the prior art. The fishing boat waste gas real-time monitoring method can effectively monitor the hydrogen sulfide gas condition in the fish tank in real time, timely start measures for preventing hydrogen sulfide poisoning, and can timely obtain emergency guarantee response when personnel suffer from hydrogen sulfide poisoning.
The technical scheme adopted by the invention for solving the above-mentioned primary technical problems is as follows: a fishing boat waste gas real-time monitoring system is characterized by comprising a fish cabin waste gas monitoring subsystem, a fishing boat control subsystem and an emergency guarantee subsystem; the fish cabin waste gas monitoring subsystem comprises a hydrogen sulfide sensor group, a Zigbee communication module group, a first WIFI communication module group, a fish cabin processing module, an exhaust fan, a first alarm device and a first communication module; each hydrogen sulfide sensor in the hydrogen sulfide sensor group is uniformly distributed in the fish cabin, and each Zigbee communication module in the Zigbee communication module group is uniformly distributed in the fish cabin; the hydrogen sulfide sensors are connected with the Zigbee communication modules in a one-to-one corresponding manner; the first WIFI communication module group at least comprises three first WIFI communication modules, and each first WIFI communication module is in communication connection with the intelligent terminal device of each worker in the fish cabin; the fishing boat control subsystem comprises a fishing boat processor, a second communication module, a second alarm device, a second WIFI communication module, a rescue request device, a positioning chip, a shipborne communication device, a display screen, a camera, a data memory and a communication mode switching detection device, wherein the second communication module, the second alarm device, the second WIFI communication module, the rescue request device, the positioning chip, the shipborne communication device, the display screen and the camera are respectively connected with the fishing boat processor; the fish cabin waste gas monitoring subsystem is in communication connection with the fishing boat control subsystem through a first communication module and a second communication module which are mutually connected; the emergency support subsystem comprises a maritime emergency rescue command center, and a maritime department subsystem, a navy department subsystem, a public security department subsystem, a medical department subsystem and a civil administration department subsystem which are respectively connected with the maritime emergency rescue command center; the fishing boat control subsystem is in communication connection with the emergency guarantee subsystem through a shipborne communication device.
The technical scheme adopted by the invention for solving the further technical problems is as follows: a real-time monitoring method for exhaust gas of a fishing boat is based on the real-time monitoring system for exhaust gas of the fishing boat, and is characterized by comprising the following steps 1 to 10:
step 1, each hydrogen sulfide sensor in a fish cabin waste gas monitoring subsystem respectively monitors the content of hydrogen sulfide gas in a fish cabin in real time, and sends the monitored hydrogen sulfide gas content data to a fish cabin processing module through a corresponding Zigbee communication module;
step 2, a fish cabin processing module in the fish cabin waste gas monitoring subsystem processes the hydrogen sulfide gas content data sent by each hydrogen sulfide sensor to judge whether the hydrogen sulfide gas content in the current fish cabin exceeds a preset alarm threshold value:
when the hydrogen sulfide gas content sent by the hydrogen sulfide sensor exceeds the alarm threshold value and the fluctuation value of the hydrogen sulfide gas content in the fish cabin is smaller than a preset alarm fluctuation threshold value, executing the step 3; otherwise, each hydrogen sulfide sensor continues to perform real-time monitoring on the hydrogen sulfide sensor in the fish cabin; wherein, the fish cabin sulfurThe fluctuation value of the content of the hydrogen gas is marked as sigma, and the preset alarm fluctuation threshold value is marked as sigma Threshold value ；
Wherein M represents the total number of hydrogen sulfide sensors in the hydrogen sulfide sensor group, E m The hydrogen sulfide content in the fish cabin monitored by the mth hydrogen sulfide sensor is represented, and a, b, c and d are preset parameter constant values; delta. For the preparation of a coating m Representing the contribution factor of the mth hydrogen sulfide sensor;
step 3, after a fish cabin processing module in the fish cabin waste gas monitoring subsystem sends gas alarm information to a fishing boat control subsystem, the fish cabin processing module respectively commands an exhaust fan in the fish cabin to start an exhaust process and commands a first alarm device to start an alarm process so as to prompt workers in the fish cabin to leave the current fish cabin immediately;
step 4, the fishing boat control subsystem respectively sends the received gas alarm information to a fishing boat processor and intelligent terminal equipment of workers on the boat, and the fishing boat processor autonomously commands or commands a second alarm device to start alarm according to the control command of the intelligent terminal equipment so as to inform the workers at the fishing boat control subsystem to take emergency measures aiming at hydrogen sulfide gas;
step 5, the workers at the fishing boat control subsystem use the fishing boat processor to command an exhaust fan in the fish cabin waste gas monitoring subsystem to start an exhaust process and command a first alarm device to start an alarm so as to remind the workers in the fish cabin to leave the current fish cabin quickly;
step 6, when fishing boat workers find that gas poisoning of people occurs in the fish cabin, after a fish cabin processing module in a fish cabin waste gas monitoring subsystem acquires the current position of the gas poisoning people in the fish cabin according to the communication condition of each WIFI communication module in the fish cabin and intelligent terminal equipment carried by the gas poisoning people, the fish cabin processing module sends the current position information of the gas poisoning people to the ship workers, and the ship workers move the gas poisoning people out of the fish cabin; the process that the fish cabin processing module acquires the current position of the gas poisoning person in the fish cabin comprises the following steps 6-1 to 6-5:
step 6-1, suppose that a WIFI is arranged in the fish cabin 1 、WIFI 2 、WIFI 3 、......、WIFI N-1 And WIFI N The total number of the WIFI communication modules is N, and the coordinate mark of the nth WIFI communication module in the fish cabin is (x) n ,y n ,z n ) (ii) a The signal intensity value received by the nth WIFI communication module in the fish cabin in the time period T is marked as p nM N =1,2, \8230, N, N is more than or equal to 3, M is more than or equal to 2; setting the mark R of the intelligent terminal equipment carried by the gas poisoning person, and the coordinate mark (x) of the intelligent terminal equipment R carried by the gas poisoning person R ,y R ,z R )；
Step 6-2, the fish cabin processing module calculates the average value of the signal intensity of the signals received by each WIFI communication module in the fish cabin according to the signal intensity value received by each WIFI communication module in the fish cabin in a time period T; wherein the signal strength average is labeled p i ：
Wherein p is i Representing the ith WIFI communication module WIFI i Signal strength average, p, of received signals ij WIFI of WIFI communication module i A certain signal strength value received within a time period T;
6-3, selecting values of the signal intensity average values in the first three from all the signal intensity average values by the fish cabin processing module according to the signal intensity average values corresponding to the WIFI communication modules in the fish cabin; wherein the values with the numerical value of the signal strength mean value located in the first three bits are respectively marked as p' 1 、p′ 2 And p' 3 ；
6-4, the fish cabin processing module respectively obtains three WIFI communication modules corresponding to the signal intensity average values of the first three positions according to the value of the selected signal intensity average value of the first three positions, and obtains the obtained WIFI communication modulesDistance d from the three WIFI communication modules to intelligent terminal equipment carried by gas poisoning personnel 1 、d 2 And d 3 : wherein:
wherein, the signal intensity average value p' 1 The corresponding WIFI communication module is marked as WIFI' 1 Signal intensity average value p' 2 The corresponding WIFI communication module is marked as WIFI' 2 Signal intensity average value p' 3 The corresponding WIFI communication module is marked as WIFI' 3 (ii) a k is the path loss index, ξ is a random number satisfying Gaussian distribution, the mean value thereof is zero, and d is 1 Is WIFI communication module WIFI' 1 Distance to intelligent terminal equipment R carried by gas poisoning person, d 2 Is WIFI communication module WIFI' 2 Distance to the intelligent terminal device R carried by the gas poisoning person, d 3 Is WIFI communication module WIFI' 3 Distance to the intelligent terminal device R carried by the gas poisoning person, d 0 As a reference distance, p 0 For carrying the intelligent terminal equipment at d from the gas poisoning personnel 0 The signal strength value at distance, v the distance estimation error, is a random variable with a positive value,
6-5, solving the coordinates of the intelligent terminal device carried by the gas poisoning person according to the coordinates of the WIFI communication modules in the fish cabin and the three distance values acquired in the step 6-4, and taking the obtained coordinates of the intelligent terminal device as the current position of the gas poisoning person in the fish cabin: wherein, the coordinate mark of the intelligent terminal device carried by the gas poisoning person is (x, y, z):
wherein (x) 1 ,y 1 ,z 1 )、(x 2 ,y 2 ,z 2 ) And (x) 3 ,y 3 ,z 3 ) Respectively representing three obtained WIFI communication modules WIFI' 1 、WIFI′ 2 And WIFI' 3 Corresponding coordinates;
step 7, the worker obtains the current position information of the fishing boat through a positioning chip in the fishing boat control subsystem, and when the communication mode switching detection device detects an idle communication frequency band, the fishing boat processor commands the shipborne communication device to switch to the detected idle communication frequency band to work so as to establish the smooth communication between the fishing boat control subsystem and the emergency guarantee subsystem;
step 8, the staff sends distress information to the emergency support subsystem by using a rescue requesting device in the fishing boat control subsystem, so that a maritime emergency rescue command center in the emergency support subsystem starts a linkage rescue response and commands a medical department subsystem to establish communication connection with the fishing boat control subsystem;
step 9, the medical department subsystem observes the real-time video condition of the gas poisoning personnel on the fishing boat at the first time through a camera of the fishing boat control subsystem, and the medical department guides the fishing boat staff to carry out preliminary first-aid measures according to the real-time video condition of the gas poisoning personnel;
and step 10, the maritime emergency rescue command center commands the maritime department subsystem, the naval department subsystem, the public security department subsystem, the medical department subsystem and the civil administration department subsystem to start rescue response aiming at the current fishing boat and to go to the position where the current fishing boat is located to carry out emergency treatment.
In particular, the physiological data acquisition device comprises at least one of a heart rate sensor and a pulse sensor.
Compared with the prior art, the invention has the advantages that:
firstly, the fish tank is uniformly provided with the hydrogen sulfide sensors and the Zigbee communication modules, so that the Zigbee communication modules send the monitored hydrogen sulfide content data sent by the corresponding hydrogen sulfide sensors to the fish tank processing module in the fish tank waste gas monitoring subsystem for processing, the comprehensive coverage monitoring of the content of hydrogen sulfide gas in a larger space of the fish tank is ensured, and the condition of missing detection of the hydrogen sulfide gas is avoided;
secondly, the fishing boat control subsystem is in communication connection with the intelligent terminal devices of the workers on the boat, so that the workers on the boat belonging to the intelligent terminal devices can obtain the hydrogen sulfide gas content and gas alarm information sent by the fish cabin processing module in the fish cabin waste gas monitoring subsystem at the first time, the workers on the boat are prevented from entering the fish cabin blindly, hydrogen sulfide gas poisoning is avoided, and the life safety of the workers on the boat is guaranteed;
thirdly, through arranging a plurality of first WIFI communication modules which can be connected with intelligent terminal equipment in the fish cabin, the position information of workers in the fish cabin is accurately positioned through the signal intensity between each first WIFI communication module in the fish cabin and the intelligent terminal equipment of workers entering the fish cabin, so that when the workers entering the fish cabin are poisoned by hydrogen sulfide, other workers on the ship can position the poisoned workers by hydrogen sulfide gas in time, and rescue work is carried out at the first time;
finally, the emergency support subsystem formed by a maritime emergency rescue command center, a maritime department subsystem, a naval department subsystem, a public security department subsystem, a medical department subsystem and a civil administration department subsystem is introduced, so that when the fishing boat needs emergency rescue, workers on the fishing boat can send emergency rescue requests to the emergency support subsystem by using a rescue request device of the fishing boat control subsystem, the emergency support subsystem instructs each department subsystem to start emergency measures, multi-department linkage response is realized, and the loss of the fishing boat is reduced to the minimum.
Drawings
FIG. 1 is a schematic view of a real-time monitoring system for exhaust gas of a fishing vessel according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a real-time monitoring method for the exhaust gas of a fishing vessel in the embodiment of the invention.
Detailed Description
The invention is described in further detail below with reference to the following examples of the drawings.
As shown in fig. 1, the system for monitoring the waste gas of the fishing boat in real time in the embodiment comprises a fish cabin waste gas monitoring subsystem, a fishing boat control subsystem and an emergency guarantee subsystem; the fish cabin waste gas monitoring subsystem comprises a hydrogen sulfide sensor group, a Zigbee communication module group, a first WIFI communication module group, a fish cabin processing module, an exhaust fan, a first alarm device and a first communication module; each hydrogen sulfide sensor in the hydrogen sulfide sensor group is uniformly distributed in the fish cabin, each Zigbee communication module in the Zigbee communication module group is uniformly distributed in the fish cabin, and the hydrogen sulfide sensors are used for monitoring the content of hydrogen sulfide gas in the fish cabin to obtain hydrogen sulfide gas content data; the contents of hydrogen sulfide gas at different positions in the fish cabin are different due to different accumulation positions of the aquatic products in the fish cabin and different quantities of the aquatic products going bad; the hydrogen sulfide sensors are uniformly distributed in the fish cabin, so that the hydrogen sulfide sensor group can completely cover the whole fish cabin, and the condition of missing detection is avoided; each hydrogen sulfide sensor is connected with each Zigbee communication module in a one-to-one correspondence manner, namely, each hydrogen sulfide sensor corresponds to one Zigbee communication module, and because the space in the fish cabin is relatively large, the data monitored by the hydrogen sulfide sensor is sent to the fish cabin processor through the Zigbee communication module corresponding to the hydrogen sulfide sensor; the first WIFI communication module group at least comprises three first WIFI communication modules, and each first WIFI communication module is in communication connection with the intelligent terminal device of each worker in the fish cabin; the fishing boat control subsystem comprises a fishing boat processor, a second communication module, a second alarm device, a second WIFI communication module, a rescue request device, a positioning chip, a shipborne communication device, a display screen, a camera, a data memory and a communication mode switching detection device, wherein the second communication module, the second WIFI communication module, the rescue request device, the positioning chip, the shipborne communication device, the display screen and the camera are respectively connected with the fishing boat processor; the physiological data acquisition device comprises at least one of a heart rate sensor and a pulse sensor; the fish cabin waste gas monitoring subsystem and the fishing boat control subsystem are in communication connection through a first communication module and a second communication module which are mutually connected; the emergency support subsystem comprises a maritime emergency rescue command center, and a maritime department subsystem, a navy department subsystem, a public security department subsystem, a medical department subsystem and a civil administration department subsystem which are respectively connected with the maritime emergency rescue command center; the fishing boat control subsystem is in communication connection with the emergency guarantee subsystem through a shipborne communication device.
In addition, the embodiment also provides a fishing boat waste gas real-time monitoring method based on the fishing boat waste gas real-time monitoring system. Specifically, referring to fig. 2, the real-time monitoring method for exhaust gas of a fishing boat in the present embodiment includes the following steps 1 to 10:
step 1, monitoring the content of hydrogen sulfide gas in a fish cabin in real time by each hydrogen sulfide sensor in a fish cabin waste gas monitoring subsystem respectively, and sending the monitored content data of the hydrogen sulfide gas to a fish cabin processing module through a corresponding Zigbee communication module;
step 2, a fish cabin processing module in the fish cabin waste gas monitoring subsystem processes according to hydrogen sulfide gas content data sent by each hydrogen sulfide sensor to judge whether the hydrogen sulfide gas content in the current fish cabin exceeds a preset alarm threshold value:
when the hydrogen sulfide gas content sent by the hydrogen sulfide sensor exceeds the alarm threshold value and the fluctuation value of the hydrogen sulfide gas content in the fish cabin is smaller than a preset alarm fluctuation threshold value, executing the step 3; otherwise, each hydrogen sulfide sensor continues to perform real-time monitoring on the hydrogen sulfide sensor in the fish cabin; wherein, the fluctuation value of the content of the hydrogen sulfide gas in the fish cabin is marked as sigma, and the preset alarm fluctuation threshold value is marked as sigma Threshold value ：
Wherein M represents the total number of hydrogen sulfide sensors in the hydrogen sulfide sensor group, E m The hydrogen sulfide content in the fish cabin monitored by the mth hydrogen sulfide sensor is represented, and a, b, c and d are preset constant values of parameters, namely a, b, c and d are preset constants; delta m Representing the contribution factor of the mth hydrogen sulfide sensor;
step 3, after a fish cabin processing module in the fish cabin waste gas monitoring subsystem sends gas alarm information to a fishing boat control subsystem, the fish cabin processing module respectively commands an exhaust fan in the fish cabin to start an exhaust process and commands a first alarm device to start an alarm process so as to prompt workers in the fish cabin to leave the current fish cabin immediately;
step 4, the fishing boat control subsystem respectively sends the received gas alarm information to a fishing boat processor and intelligent terminal equipment of workers on the boat, and the fishing boat processor orders the second alarm device to start alarm by an autonomous command or according to a control command of the intelligent terminal equipment so as to inform the workers at the fishing boat control subsystem to take emergency measures aiming at hydrogen sulfide gas;
step 5, the workers at the fishing boat control subsystem use the fishing boat processor to command an exhaust fan in the fish cabin waste gas monitoring subsystem to start an exhaust process and command a first alarm device to start an alarm so as to remind the workers in the fish cabin to leave the current fish cabin quickly;
step 6, when fishing boat workers find that gas poisoning of people occurs in the fish cabin, after a fish cabin processing module in a fish cabin waste gas monitoring subsystem acquires the current position of the gas poisoning people in the fish cabin according to the communication condition of each WIFI communication module in the fish cabin and intelligent terminal equipment carried by the gas poisoning people, the fish cabin processing module sends the current position information of the gas poisoning people to the ship workers, and the ship workers move the gas poisoning people out of the fish cabin; the position of a gas poisoning person is automatically positioned by the fish tank waste gas monitoring subsystem, and the obtained positioning position is informed to the worker at the fishing boat control subsystem, so that other workers on the fishing boat can accurately arrive at the position of the gas poisoning person at the first time to rescue; the process that the fish cabin processing module acquires the current position of the gas poisoning person in the fish cabin comprises the following steps 6-1 to 6-5:
step 6-1, supposing that WIFI is arranged in the fish cabin 1 、WIFI 2 、WIFI 3 、......、WIFI N-1 And WIFI N The total number of the WIFI communication modules is N, and the coordinate mark of the nth WIFI communication module in the fish cabin is (x) n ,y n ,z n ) (ii) a The signal intensity value received by the nth WIFI communication module in the fish cabin in the time period T is marked as p nM N =1,2, \ 8230, N, N is not less than 3, M is not less than 2; setting the mark R of the intelligent terminal equipment carried by the gas poisoning person, and the coordinate mark (x) of the intelligent terminal equipment R carried by the gas poisoning person R ,y R ,z R )；
6-2, calculating the average value of the signal intensity of the signals received by the WIFI communication modules in the fish cabin by the fish cabin processing module according to the signal intensity value received by the WIFI communication modules in the fish cabin within the time period T; wherein the signal intensity average is marked as p i ：
Wherein p is i Representing the ith WIFI communication module WIFI i Signal strength average, p, of received signals ij Representing WIFI communication module WIFI i A certain signal strength value received within a time period T;
6-3, selecting a value of the signal intensity average value positioned in the first three positions from all the signal intensity average values by the fish cabin processing module according to the signal intensity average values corresponding to all the WIFI communication modules in the fish cabin; wherein the values of the signal strength averages located in the first three bits are respectively labeled as p' 1 、p′ 2 And p' 3 ；
6-4, respectively obtaining three WIFI communication modules corresponding to the signal intensity average values of the first three positions by the fish cabin processing module according to the values of the first three positions of the selected signal intensity average value, and obtaining the distances d from the three WIFI communication modules to the intelligent terminal equipment carried by the gas poisoning person 1 、d 2 And d 3 : wherein:
wherein, the signal intensity average value p' 1 The corresponding WIFI communication module is marked as WIFI' 1 Signal intensity average value p' 2 The corresponding WIFI communication module is marked as WIFI' 2 Signal intensity average value p' 3 The corresponding WIFI communication module is marked as WIFI' 3 (ii) a k is the path loss index, xi is a random number satisfying a Gaussian distribution, the mean value is zero, d 1 Is WIFI communication module WIFI' 1 Distance to the intelligent terminal device R carried by the gas poisoning person, d 2 Is WIFI communication module WIFI' 2 Distance to the intelligent terminal device R carried by the gas poisoning person, d 3 Is WIFI communication module WIFI' 3 Distance to the intelligent terminal device R carried by the gas poisoning person, d 0 As a reference distance, p 0 For carrying the intelligent terminal equipment at d from the gas poisoning personnel 0 The signal strength value at distance, v being the distance estimation error, is a random variable with a positive value,
6-5, solving the coordinates of the intelligent terminal device carried by the gas poisoning person according to the coordinates of the WIFI communication modules in the fish cabin and the three distance values acquired in the step 6-4, and taking the obtained coordinates of the intelligent terminal device as the current position of the gas poisoning person in the fish cabin: wherein, the coordinate mark of the intelligent terminal device carried by the gas poisoning person is (x, y, z):
wherein (x) 1 ,y 1 ,z 1 )、(x 2 ,y 2 ,z 2 ) And (x) 3 ,y 3 ,z 3 ) Respectively representing three obtained WIFI communication modules WIFI' 1 、WIFI′ 2 And WIFI' 3 Corresponding coordinates;
7, obtaining current position information of the fishing boat by a worker through a positioning chip in the fishing boat control subsystem, and when the communication mode switching detection device detects an idle communication frequency band, commanding the shipborne communication device to switch to the detected idle communication frequency band by the fishing boat processor to work so as to establish smooth communication between the fishing boat control subsystem and the emergency guarantee subsystem;
step 8, the staff sends distress information to the emergency support subsystem by using a rescue request device in the fishing boat control subsystem, so that a maritime emergency rescue command center in the emergency support subsystem starts a linkage rescue response and commands a medical department subsystem to establish communication connection with the fishing boat control subsystem;
9, the medical department subsystem observes the real-time video condition of the gas poisoning personnel on the fishing boat at the first time through a camera of the fishing boat control subsystem, and the medical department guides the fishing boat staff to carry out preliminary emergency measures according to the real-time video condition of the gas poisoning personnel;
and step 10, the maritime emergency rescue command center commands the maritime department subsystem, the naval department subsystem, the public security department subsystem, the medical department subsystem and the civil administration department subsystem to start rescue response aiming at the current fishing boat and to go to the position where the current fishing boat is located to carry out emergency treatment.
Although preferred embodiments of the present invention have been described in detail hereinabove, it should be clearly understood that modifications and variations of the present invention are possible to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A real-time monitoring method for waste gas of a fishing boat is based on a real-time monitoring system for waste gas of the fishing boat, and the real-time monitoring system for waste gas of the fishing boat comprises a fish cabin waste gas monitoring subsystem, a fishing boat control subsystem and an emergency guarantee subsystem; the fish cabin waste gas monitoring subsystem comprises a hydrogen sulfide sensor group, a Zigbee communication module group, a first WIFI communication module group, a fish cabin processing module, an exhaust fan, a first alarm device and a first communication module; all hydrogen sulfide sensors in the hydrogen sulfide sensor group are uniformly distributed in the fish cabin, and all Zigbee communication modules in the Zigbee communication module group are also uniformly distributed in the fish cabin; each hydrogen sulfide sensor is connected with each Zigbee communication module in a one-to-one corresponding way; the first WIFI communication module group at least comprises three first WIFI communication modules, and each first WIFI communication module is in communication connection with the intelligent terminal device of each worker in the fish cabin; the fishing boat control subsystem comprises a fishing boat processor, a second communication module, a second alarm device, a second WIFI communication module, a rescue request device, a positioning chip, a shipborne communication device, a display screen, a camera, a data memory and a communication mode switching detection device, wherein the second communication module, the second WIFI communication module, the rescue request device, the positioning chip, the shipborne communication device, the display screen and the camera are respectively connected with the fishing boat processor; the fish cabin waste gas monitoring subsystem and the fishing boat control subsystem are in communication connection through a first communication module and a second communication module which are mutually connected; the emergency support subsystem comprises a maritime emergency rescue command center, and a maritime department subsystem, a navy department subsystem, a public security department subsystem, a medical department subsystem and a civil administration department subsystem which are respectively connected with the maritime emergency rescue command center; the fishing boat control subsystem is in communication connection with the emergency guarantee subsystem through a shipborne communication device;
the method is characterized by comprising the following steps 1 to 10:
step 1, each hydrogen sulfide sensor in a fish cabin waste gas monitoring subsystem respectively monitors the content of hydrogen sulfide gas in a fish cabin in real time, and sends the monitored hydrogen sulfide gas content data to a fish cabin processing module through a corresponding Zigbee communication module;
step 2, a fish cabin processing module in the fish cabin waste gas monitoring subsystem processes the hydrogen sulfide gas content data sent by each hydrogen sulfide sensor to judge whether the hydrogen sulfide gas content in the current fish cabin exceeds a preset alarm threshold value:
when the hydrogen sulfide gas content sent by the hydrogen sulfide sensor exceeds the alarm threshold value and the fluctuation value of the hydrogen sulfide gas content in the fish cabin is smaller than a preset alarm fluctuation threshold value, executing the step 3; otherwise, each hydrogen sulfide sensor continues to monitor the hydrogen sulfide sensors in the fish cabin in real time; wherein the fluctuation value of the content of the hydrogen sulfide gas in the fish cabin is marked as sigma, and the preset alarm fluctuation threshold value is marked as sigma Threshold value ；
Wherein M represents the total number of hydrogen sulfide sensors in the hydrogen sulfide sensor group, E m The content of hydrogen sulfide gas in the fish cabin monitored by the mth hydrogen sulfide sensor is shown, and a, b, c and d are preset parameter constant values; delta. For the preparation of a coating m Representing the contribution factor of the mth hydrogen sulfide sensor;
step 3, after a fish cabin processing module in the fish cabin waste gas monitoring subsystem sends gas alarm information to a fishing boat control subsystem, the fish cabin processing module respectively commands an exhaust fan in the fish cabin to start an exhaust process and commands a first alarm device to start an alarm process so as to prompt workers in the fish cabin to leave the current fish cabin immediately;
step 4, the fishing boat control subsystem respectively sends the received gas alarm information to a fishing boat processor and intelligent terminal equipment of workers on the boat, and the fishing boat processor autonomously commands or commands a second alarm device to start alarm according to the control command of the intelligent terminal equipment so as to inform the workers at the fishing boat control subsystem to take emergency measures aiming at hydrogen sulfide gas;
step 5, the workers at the fishing boat control subsystem use the fishing boat processor to command an exhaust fan in the fish cabin waste gas monitoring subsystem to start an exhaust process and command a first alarm device to start an alarm so as to remind the workers in the fish cabin to leave the current fish cabin quickly;
step 6, when fishing boat workers find that gas poisoning of people occurs in the fish cabin, after a fish cabin processing module in a fish cabin waste gas monitoring subsystem acquires the current position of the gas poisoning people in the fish cabin according to the communication condition of each WIFI communication module in the fish cabin and intelligent terminal equipment carried by the gas poisoning people, the fish cabin processing module sends the current position information of the gas poisoning people to the ship workers, and the ship workers move the gas poisoning people out of the fish cabin; the process that the fish cabin processing module acquires the current position of the gas poisoning person in the fish cabin comprises the following steps 6-1 to 6-5:
step 6-1, suppose that a WIFI is arranged in the fish cabin 1 、WIFI 2 、WIFI 3 、……、WIFI N-1 And WIFI N The total number of the WIFI communication modules is N, and the coordinate mark of the nth WIFI communication module in the fish cabin is (x) n ,y n ,z n ) (ii) a The signal intensity value received by the nth WIFI communication module in the fish cabin in the time period T is marked as p nM N =1,2, \ 8230, N, N is not less than 3, M is not less than 2; setting the mark R of the intelligent terminal equipment carried by the gas poisoning person, and the coordinate mark (x) of the intelligent terminal equipment R carried by the gas poisoning person R ,y R ,z R )；
Step 6-2, the fish cabin processing module processes the time according to each WIFI communication module in the fish cabinCalculating the average value of the signal strength of the signals received by the WIFI communication modules in the fish cabin according to the signal strength values received in the section T; wherein the signal strength average is labeled p i ：
Wherein p is i Representing the ith WIFI communication module WIFI i Signal strength average, p, of received signals ij WIFI of WIFI communication module i A certain signal strength value received within a time period T;
6-3, selecting a value of the signal intensity average value positioned in the first three positions from all the signal intensity average values by the fish cabin processing module according to the signal intensity average values corresponding to all the WIFI communication modules in the fish cabin; wherein the values of the signal strength averages located in the first three bits are respectively labeled as p' 1 、p' 2 And p' 3 ；
6-4, the fish cabin processing module respectively obtains three WIFI communication modules corresponding to the signal intensity average values of the previous three positions according to the values of the selected signal intensity average values of the previous three positions, and obtains the distances d from the three WIFI communication modules to the intelligent terminal device carried by the gas poisoning person 1 、d 2 And d 3 : wherein:
wherein the signal intensity average value p' 1 The corresponding WIFI communication module is marked as WIFI' 1 Signal intensity average value p' 2 The corresponding WIFI communication module is marked as WIFI' 2 Signal intensity average value p' 3 Corresponding WIFI communication moduleBlock is marked as WIFI' 3 (ii) a k is the path loss index, xi is a random number satisfying a Gaussian distribution, the mean value is zero, d 1 Is WIFI communication module WIFI' 1 Distance to intelligent terminal equipment R carried by gas poisoning person, d 2 Is WIFI communication module WIFI' 2 Distance to intelligent terminal equipment R carried by gas poisoning person, d 3 Is WIFI communication module WIFI' 3 Distance to intelligent terminal equipment R carried by gas poisoning person, d 0 As a reference distance, p 0 For carrying the intelligent terminal equipment at d from the gas poisoning personnel 0 The signal strength value at distance, v being the distance estimation error, is a random variable with a positive value,
6-5, solving the coordinates of the intelligent terminal device carried by the gas poisoning person according to the coordinates of each WIFI communication module in the fish cabin and the three distance values acquired in the step 6-4, and taking the obtained coordinates of the intelligent terminal device as the current position of the gas poisoning person in the fish cabin: the coordinate label of the intelligent terminal device carried by the gas poisoning person is (x, y, z):
wherein (x) 1 ,y 1 ,z 1 )、(x 2 ,y 2 ,z 2 ) And (x) 3 ,y 3 ,z 3 ) Respectively representing three obtained WIFI communication modules WIFI' 1 、WIFI' 2 And WIFI' 3 Corresponding coordinates;
step 7, the worker obtains the current position information of the fishing boat through a positioning chip in the fishing boat control subsystem, and when the communication mode switching detection device detects an idle communication frequency band, the fishing boat processor commands the shipborne communication device to switch to the detected idle communication frequency band to work so as to establish the smooth communication between the fishing boat control subsystem and the emergency guarantee subsystem;
step 8, the staff sends distress information to the emergency support subsystem by using a rescue requesting device in the fishing boat control subsystem, so that a maritime emergency rescue command center in the emergency support subsystem starts a linkage rescue response and commands a medical department subsystem to establish communication connection with the fishing boat control subsystem;
9, the medical department subsystem observes the real-time video condition of the gas poisoning personnel on the fishing boat at the first time through a camera of the fishing boat control subsystem, and the medical department guides the fishing boat staff to carry out preliminary emergency measures according to the real-time video condition of the gas poisoning personnel;
and step 10, the maritime emergency rescue command center commands the maritime department subsystem, the naval department subsystem, the public security department subsystem, the medical department subsystem and the civil administration department subsystem to start rescue response aiming at the current fishing boat and to go to the position where the current fishing boat is located to carry out emergency treatment.
2. The real-time fishing vessel exhaust monitoring method according to claim 1, wherein the physiological data acquisition device includes at least one of a heart rate sensor and a pulse sensor.
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