CN105513290A - Multifunctional compressed natural gas ship gas detection system and method of working thereof - Google Patents
Multifunctional compressed natural gas ship gas detection system and method of working thereof Download PDFInfo
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- CN105513290A CN105513290A CN201610063226.5A CN201610063226A CN105513290A CN 105513290 A CN105513290 A CN 105513290A CN 201610063226 A CN201610063226 A CN 201610063226A CN 105513290 A CN105513290 A CN 105513290A
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- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/16—Combustible gas alarms
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Abstract
The invention provides a multifunctional compressed natural gas ship gas detection system and a method of working of the same. The multifunctional compressed natural gas ship gas detection system comprises a detection unit, a processing unit, a control unit, a communication unit, a warning unit and an execution unit. The control unit is electrically connected with the detection unit through the processing unit, and the control unit is further electrically connected with the communication unit, the warning unit and the execution unit. The multifunctional compressed natural gas ship gas detection system is rational in structure, safe and efficient. According to the method of working of the multifunctional compressed natural gas ship gas detection system is rational, easy to implement, convenient to apply and high in intelligence degree.
Description
Technical field
The invention belongs to natural gas facility field, be applied on compressed natural gas ship, particularly, relate to a kind of multi-functional compression natural gas boat gas detection system, and the method for work of multi-functional compression natural gas boat gas detection system.
Background technology
In today that energy crisis cry is day by day surging, rock gas is used to replace oil to become the emphasis of every profession and trade concern.The marine transportation of rock gas also just becomes the focus of shipping world's concern naturally.Along with increasing of Natural Gas Demand, the high transportation cost of rock gas becomes the bottleneck of restriction natural gas extraction, use gradually.Extensively adopt the means of transportation of Cemented filling liquefied natural gas (LNG) (LNG) at present, but this method only could obtain economic benefit when natural gas reserves is enough large.Because pipe-line equipment, liquefying plant and related investment are extremely expensive, if a certain regional reserves are few, or after natural gas extraction, crude oil facility cannot use, and cannot shift again, will cause the significant wastage of cost of investment.Explore new, that benefit output investment ratio is higher means of transportation, now, vessel for transport of compressed natural gas (CNG) goes out at the sound.Compressed natural gas, the features such as it is low that it has cost, high efficiency, pollution-free, and use safety is convenient, along with the raising of living standards of the people and the enhancing of environmental consciousness, most of city also increases the demand of rock gas, increasingly uses about extensive.
CNG ship is as the term suggests be conveying liquified natural gas, but the situation that compressed natural gas has leakage in transportation exists.Principal ingredient due to liquefied natural gas (LNG) is methane, and methane does not have color, do not have gas odorous, inflammable, forms explosive mixture, heat source, during excessive concentration, be that in air, oxygen content obviously reduces, people is suffocated with air mixing energy.When Methane in Air reaches 25%-30%, can cause headache, dizziness, weak, absent minded, breathe and palpitate quickly.Skin contact liquefied methane, can cause frostbite.So need the device configuring the leakage of a set of detection compressed natural gas.Need in this case to apply a set of probe gas leakage system, guarantee the safety of ship's staff.
Summary of the invention
Goal of the invention: the method for work that the invention provides a kind of safe, efficient multi-functional compression natural gas boat gas detection system and multi-functional compression natural gas boat gas detection system.
Technical scheme: the invention provides a kind of multi-functional compression natural gas boat gas detection system, be installed on compressed natural gas ship, comprise detecting unit, processing unit, control module, communication unit, alarm unit and performance element, the treated unit of described control module and detecting unit are electrically connected, and described control module is also electrically connected with communication unit, alarm unit and performance element respectively.Multi-functional compression natural gas boat gas detection system of the present invention, be applied to compressed natural gas ship, it is rational in infrastructure, safety, efficiently.When methane leakage being detected, feed back to control module rapidly, and make reply by performance element, find early, and make response rapidly, avoid dangerous generation, avoid leading to grave consequences, create safer work, life and transportation environment.
Further, above-mentioned multi-functional compression natural gas boat gas detection system, described detecting unit comprises one group of gas detector, and described gas detector is located on pulpit, pilothouse, rest room, freight house, air-line system and deck plane.Multiple gas detector is arranged at the multiple key positions on ship, methane leakage detected rapidly, avoids danger, in order to avoid produce serious consequence.
Further, above-mentioned multi-functional compression natural gas boat gas detection system, described gas detector adopts infrared-type sensor, and described infrared ray sensor comprises optical system and detecting element.Infrared-type sensor sensitivity, Stability and veracity are high, find rapidly.
Further, above-mentioned multi-functional compression natural gas boat gas detection system, described processing unit comprises filter circuit module, analog to digital conversion circuit module, amplification circuit module, central processing unit and signal isolation module, the input end of described filter circuit module and described detecting unit are electrically connected, the output terminal of described filter circuit module is electrically connected with analog to digital conversion circuit module, amplification circuit module, central processing unit and signal isolation module successively, and the output terminal of described signal isolation module and control module are electrically connected.Wherein filter circuit module goes out rapidly undesired signal.Described central processing unit comprises storer, arithmetical unit, processor and ultramagnifier, passes to control module after accurately carrying out signal transacting rapidly.And signal isolation module ensures to transfer out signal stabilization.
Further, above-mentioned multi-functional compression natural gas boat gas detection system, described control module comprises visual control center and actuating of relay module, and pulpit and/or pilothouse are located in described visual control center; Described actuating of relay module and communication unit, alarm unit and performance element are electrically connected.Visual control center to the setting of various parameter, and can be monitored in real time, very intuitively.When detecting that methane gas is excessive, actuating of relay module is connected, and performance element makes response.
Further, above-mentioned multi-functional compression natural gas boat gas detection system, described communication unit is connected by network with intelligent mobile terminal, and wherein, described intelligent mobile terminal comprises mobile phone and/or wearable device; Described network connects and comprises Wifi or 4G or bluetooth connection.Intelligence degree is high, and it is very convenient to use, and can give feedback and warning simultaneously the very first time, related personnel can be reminded to carry out rapid answer, race against time, avoid causing serious consequence.
Further, above-mentioned multi-functional compression natural gas boat gas detection system, described alarm unit comprises audible-visual annunciator and electromagnetic shaker, and described audible-visual annunciator comprises hummer and warning lamp.Audible-visual annunciator is reported to the police by buzzing and warning lamp, and electromagnetic shaker vibration reminding, points out related personnel rapidly simultaneously.
As a modification of the present invention, above-mentioned multi-functional compression natural gas boat gas detection system, it is characterized in that: described detecting unit also comprises one group of timing sampling device, described timing sampling device comprises air extractor and adsorbent; Described timing sampling device is located on pulpit, pilothouse, rest room, freight house, air-line system and deck plane.Except carrying out passive detection, also active detecting is carried out in timing, increases the susceptibility of whole system, just finding methane leakage, carrying out in early days investigating and tackling, in order to avoid cause serious consequence when also not causing serious consequence.
Further, above-mentioned multi-functional compression natural gas boat gas detection system, described performance element comprises air exhausting device, motorized window, oxygen generator.Freight house, air-line system and deck plane are provided with air exhausting device, rapid methane gas is discharged, also oxygen generator is provided with further in pulpit, pilothouse, rest room, when the methane content in air is more than 25%, oxygen generator works, carry out oxygen supply in pulpit, pilothouse, rest room, to avoid serious consequence.
The present invention also provides a kind of method of work of multi-functional compression natural gas boat gas detection system, comprises the following steps:
1) warning value, the ultimate value of methane gas content are set in the heart in the visual control being located at pulpit and/or cab control unit;
2) gas detector on pulpit, pilothouse, rest room, freight house, air-line system and deck plane and the work of timing sampling device is located at, and send information to processing unit, feed back to control module after treated unit multiple-stage treatment, and be presented at the visual control center being located at pulpit and/or pilothouse;
3) detect that the content of methane gas exceedes warning value, actuating of relay module is connected, and communication unit, alarm unit and performance element work, open air exhausting device and motorized window; Audible-visual annunciator hummer and warning lamp send warning, electromagnetic shaker vibration reminding related personnel simultaneously; And information is sent to intelligent mobile terminal by network by communication unit, mobile phone and/or wearable device send prompting, remind related personnel;
4) the content over-limit condition of methane gas detected, control module controls oxygen generator work further, carries out oxygen supply to pulpit, pilothouse and rest room.
The method of work of multi-functional compression natural gas boat gas detection system of the present invention, method is reasonable, is easy to realize, and application is convenient, and intelligence degree is high.
Beneficial effect: the present invention has the following advantages: multi-functional compression natural gas boat gas detection system of the present invention, it is rational in infrastructure, is easy to realize, and intelligence degree is high, and susceptibility is high, replys rapidly and stable performance.The method of work of multi-functional compression natural gas boat gas detection system of the present invention, method is reasonable, is easy to realize, and application is convenient, and intelligence degree is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of multi-functional compression natural gas boat gas detection system of the present invention;
Fig. 2 is the electric connection figure of processing unit of the present invention.
In figure: 1 detecting unit, 2 processing units, 21 filter circuit modules, 22 analog to digital conversion circuit modules, 23 amplification circuit module, 24 central processing units, 25 signal isolation modules, 3 control modules, 4 communication units, 41 intelligent mobile terminals, 5 alarm units, 51 audible-visual annunciators, 52 electromagnetic shakers, 6 performance elements, 61 air exhausting devices, 62 motorized window, 63 oxygen generators.
Embodiment
By specific embodiment, will illustrate the present invention further below, these embodiments, just in order to describe the problem, are not a kind of restriction.
Embodiment
A kind of multi-functional compression natural gas boat gas detection system, be installed on compressed natural gas ship, as shown in Figure 1, comprise detecting unit 1, processing unit 2, control module 3, communication unit 4, alarm unit 5 and performance element 6, the treated unit 2 of described control module 3 is electrically connected with detecting unit 1, and described control module 3 is also electrically connected with communication unit 4, alarm unit 5 and performance element 6 respectively.Wherein, described detecting unit 1 comprises one group of gas detector and one group of timing sampling device, and described gas detector adopts infrared-type sensor, and described infrared ray sensor comprises optical system and detecting element.Described timing sampling device comprises air extractor and adsorbent, and described gas detector and timing sampling device are located on pulpit, pilothouse, rest room, freight house, air-line system and deck plane, for detecting the content of methane.In addition, described processing unit 2, as shown in Figure 2, comprise filter circuit module 21, analog to digital conversion circuit module 22, amplification circuit module 23, central processing unit 24 and signal isolation module 25, wherein said central processing unit comprises storer, arithmetical unit, processor and ultramagnifier.And the input end of described filter circuit module 21 and described detecting unit 1 are electrically connected, the output terminal of described filter circuit module 21 is electrically connected with analog to digital conversion circuit module 22, amplification circuit module 23 central processing unit 24 and signal isolation module 25 successively, and output terminal and the control module 3 of described signal isolation module 25 are electrically connected.In addition, described control module 3 comprises visual control center and actuating of relay module, and pulpit and/or pilothouse are located in described visual control center; Described actuating of relay module and communication unit 4, alarm unit 5 and performance element 6 are electrically connected.Further, described communication unit 4 is connected by Wifi or 4G or bluetooth with intelligent mobile terminal 41, and wherein, described intelligent mobile terminal 41 comprises mobile phone and/or wearable device.Described alarm unit 5 comprises audible-visual annunciator 51 and electromagnetic shaker 52, and described audible-visual annunciator 51 comprises hummer and warning lamp.Described performance element 6 comprises air exhausting device 61, motorized window 62, oxygen generator 63.
During work, based on above architecture basics, comprise the following steps:
1) warning value, the ultimate value of methane gas content are set in the heart in the visual control being located at pulpit and/or cab control unit 3;
2) gas detector on pulpit, pilothouse, rest room, freight house, air-line system and deck plane and the work of timing sampling device is located at, and send information to processing unit 2, feed back to control module 3 after treated unit 2 multiple-stage treatment, and be presented at the visual control center being located at pulpit and/or pilothouse;
3) detect that the content of methane gas exceedes warning value, actuating of relay module is connected, and communication unit 4, alarm unit 5 and performance element 6 work, and open air exhausting device 61 and motorized window 62; Audible-visual annunciator 51 hummer and warning lamp send warning, electromagnetic shaker 52 vibration reminding related personnel simultaneously; And information is sent to intelligent mobile terminal 41 by network by communication unit 4, mobile phone and/or wearable device send prompting and remind related personnel;
4) the content over-limit condition of methane gas detected, control module 3 controls oxygen generator 63 further and works, and carries out oxygen supply to pulpit, pilothouse and rest room.
The above is only working of an invention mode, it should be pointed out that for those skilled in the art, under the prerequisite not departing from inventive principle, can also make some improvement, and these improvement also should be considered as protection scope of the present invention.
Claims (10)
1. a multi-functional compression natural gas boat gas detection system, be installed on compressed natural gas ship, it is characterized in that: comprise detecting unit (1), processing unit (2), control module (3), communication unit (4), alarm unit (5) and performance element (6), described control module (3) treated unit (2) and detecting unit (1) are electrically connected, and described control module (3) is also electrically connected with communication unit (4), alarm unit (5) and performance element (6) respectively.
2. multi-functional compression natural gas boat gas detection system according to claim 1, it is characterized in that: described detecting unit (1) comprises one group of gas detector, and described gas detector is located on pulpit, pilothouse, rest room, freight house, air-line system and deck plane.
3. multi-functional compression natural gas boat gas detection system according to claim 2, is characterized in that: described gas detector adopts infrared-type sensor, and described infrared ray sensor comprises optical system and detecting element.
4. multi-functional compression natural gas boat gas detection system according to claim 1, it is characterized in that: described processing unit (2) comprises filter circuit module (21), analog to digital conversion circuit module (22), amplification circuit module (23), central processing unit (24) and signal isolation module (25), the input end of described filter circuit module (21) and described detecting unit (1) are electrically connected, the output terminal of described filter circuit module (21) successively with analog to digital conversion circuit module (22), amplification circuit module (23), central processing unit (24) and signal isolation module (25) are electrically connected, the output terminal of described signal isolation module (25) and control module (3) are electrically connected.
5. multi-functional compression natural gas boat gas detection system according to claim 1, it is characterized in that: described control module (3) comprises visual control center and actuating of relay module, pulpit and/or pilothouse are located in described visual control center; Described actuating of relay module and communication unit (4), alarm unit (5) and performance element (6) are electrically connected.
6. multi-functional compression natural gas boat gas detection system according to claim 1, it is characterized in that: described communication unit (4) is connected by network with intelligent mobile terminal (41), wherein, described intelligent mobile terminal (41) comprises mobile phone and/or wearable device; Described network connects and comprises Wifi or 4G or bluetooth connection.
7. multi-functional compression natural gas boat gas detection system according to claim 1, is characterized in that: described alarm unit (5) comprises audible-visual annunciator (51) and electromagnetic shaker (52), and described audible-visual annunciator (51) comprises hummer and warning lamp.
8. multi-functional compression natural gas boat gas detection system according to claim 1 and 2, it is characterized in that: described detecting unit (1) also comprises one group of timing sampling device, described timing sampling device comprises air extractor and adsorbent; Described timing sampling device is located on pulpit, pilothouse, rest room, freight house, air-line system and deck plane.
9. multi-functional compression natural gas boat gas detection system according to claim 1, is characterized in that: described performance element (6) comprises air exhausting device (61), motorized window (62), oxygen generator (63).
10. a method of work for multi-functional compression natural gas boat gas detection system, is characterized in that: comprise the following steps:
1) warning value, the ultimate value of methane gas content are set in the heart in the visual control being located at pulpit and/or cab control unit (3);
2) gas detector on pulpit, pilothouse, rest room, freight house, air-line system and deck plane and the work of timing sampling device is located at, and information is sent to processing unit (2), feed back to control module (3) after treated unit (2) multiple-stage treatment, and be presented at the visual control center being located at pulpit and/or pilothouse;
3) detect that the content of methane gas exceedes warning value, actuating of relay module is connected, and communication unit (4), alarm unit (5) and performance element (6) work, and open air exhausting device (61) and motorized window (62); Audible-visual annunciator (51) hummer and warning lamp send warning, electromagnetic shaker (52) vibration reminding related personnel simultaneously; And information is sent to intelligent mobile terminal (41) by network by communication unit (4), and mobile phone and/or wearable device send prompting, remind related personnel;
4) the content over-limit condition of methane gas detected, control module (3) controls oxygen generator (63) work further, carries out oxygen supply to pulpit, pilothouse and rest room.
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| CN201610063226.5A CN105513290A (en) | 2016-01-31 | 2016-01-31 | Multifunctional compressed natural gas ship gas detection system and method of working thereof |
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| CN201610063226.5A CN105513290A (en) | 2016-01-31 | 2016-01-31 | Multifunctional compressed natural gas ship gas detection system and method of working thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106530630A (en) * | 2016-12-22 | 2017-03-22 | 德讯科技股份有限公司 | Indoor air quality real-time on-line monitoring circuit based on bluetooth |
| CN106815976A (en) * | 2017-02-14 | 2017-06-09 | 中国国际海运集装箱(集团)股份有限公司 | Compressed natural gas ship and its emergency switching-off system |
| CN110335438A (en) * | 2019-06-20 | 2019-10-15 | 武汉理工大学 | A kind of hydrogen fuel cell safety of ship protection system and guard method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106530630A (en) * | 2016-12-22 | 2017-03-22 | 德讯科技股份有限公司 | Indoor air quality real-time on-line monitoring circuit based on bluetooth |
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| CN110335438B (en) * | 2019-06-20 | 2021-01-05 | 武汉理工大学 | Hydrogen fuel cell ship safety protection system and protection method |
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