CN111314430A - Gas tank information acquisition system - Google Patents
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
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Abstract
The invention discloses a gas tank information acquisition system, which comprises: the device comprises an acquisition module, a first communication module, a second communication module, a control module, a power module and a display module; the output end of the power module is respectively connected with the input ends of the acquisition module, the first communication module, the second communication module, the control module and the display module, the acquisition module is connected with the control module through the first communication module, and the display module is connected with the control module through the second communication module. Has the advantages that: this gas pitcher information acquisition system, the convenient collection to the gas pitcher information, labour saving and time saving, reduce cost can also gather the gas pitcher information in real time simultaneously, improves the ageing and the reliability of the gas pitcher information of gathering.
Description
Technical Field
The invention relates to the technical field of information acquisition, in particular to a gas tank information acquisition system.
Background
Information collection includes the collection and processing of information, and no judgment or decision can be made without information collection. At present, various gases are generally used in laboratories, and many of the gases are flammable, explosive and toxic, and are generally supplied by gas tanks. Gas pitcher in the laboratory can be said to be a potential safety hazard, and people monitor the laboratory gas pitcher, and so gas pitcher information acquisition is an indispensable link, and people mainly gather gas pitcher information through the manual work, do not to carry out real-time collection to gas pitcher information, and the gas pitcher information of artifical collection has the limitation, and wastes time and energy, and the cost is higher.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the art described above. Therefore, the invention aims to provide a gas tank information acquisition system, which is convenient for acquiring gas tank information, saves time and labor, reduces the cost, and can acquire the gas tank information in real time, thereby improving the timeliness and reliability of the acquired gas tank information.
In order to achieve the above object, an embodiment of the present invention provides a gas tank information acquisition system, including:
the device comprises an acquisition module, a first communication module, a second communication module, a control module, a power module and a display module; the output end of the power module is respectively connected with the input ends of the acquisition module, the first communication module, the second communication module, the control module and the display module, the acquisition module is connected with the control module through the first communication module, and the display module is connected with the control module through the second communication module.
According to the gas tank information acquisition system provided by the embodiment of the invention, the acquisition module acquires gas tank information and transmits the gas tank information to the control module through the first communication module; the control module receives the information of the gas tank and transmits the information to the display module through the second communication module; the display module receives the tank information and displays it for viewing by a user. This gas pitcher information acquisition system, the convenient collection to the gas pitcher information, labour saving and time saving, reduce cost can also gather the gas pitcher information in real time simultaneously, improves the ageing and the reliability of the gas pitcher information of gathering.
According to some embodiments of the present invention, the acquisition module includes a first temperature and humidity sensor, a pressure sensor, a gas flow meter, a metal magnetic memory detection sensor, and a second temperature and humidity sensor; the first temperature and humidity sensor and the gas flowmeter are arranged on a gas pipeline communicated with a gas tank; the pressure sensor and the metal magnetic memory detection sensor are arranged on the gas tank; the second temperature and humidity sensor is arranged in a laboratory where the gas tank is located and used for detecting the temperature and the humidity of the environment where the gas tank is located.
According to some embodiments of the invention, the first communication module comprises:
the A/D conversion module is used for converting the electric signals acquired by the acquisition module into digital signals and transmitting the digital signals to the singlechip;
the singlechip is connected with the A/D conversion module and the wireless module and is used for receiving the digital signal transmitted by the A/D conversion module, processing the signal and transmitting the processed signal to the wireless module;
and the wireless module is used for receiving the signal processed by the singlechip and transmitting the signal to the control module.
According to some embodiments of the invention, the second communication module comprises a wired communication module and/or a wireless communication module.
According to some embodiments of the invention, the wired communication module comprises a usb interface circuit; the wireless communication module comprises at least one of a wifi communication module, a 3g communication module and a 4g communication module.
According to some embodiments of the invention, the display module comprises a liquid crystal display.
According to some embodiments of the invention, the gas tank information acquisition system further comprises an alarm module, and an input end of the alarm module is respectively connected with an output end of the control module and an output end of the power supply module.
According to some embodiments of the present invention, the gas tank information collecting system further includes a gas leak detection device, connected to the control module, including: third communication moduleThe device comprises a block, a controller, a gas sensor and a fourth communication module; the controller is electrically connected with the third communication module and the fourth communication module; the fourth communication module is also connected with the gas sensor; the controller is used for receiving the value M detected by the gas sensor in the first time period A at intervals of a first preset time T through the fourth communication moduleAAnd the value M detected by the gas sensor in the second time period BB(ii) a The first time period A is equal to the second time period B in duration; and the third communication module is also used for receiving a temperature value N detected by the second temperature and humidity sensor in the first time period AAAnd a humidity value OAAnd the temperature value N detected by the second temperature and humidity sensor in the second time period BBAnd a humidity value OBUsing the value N of the temperature in the first time period AAAnd a humidity value OAA value M detected by the gas sensor during the first period AAPerforming correction processing to obtain correction value SA；
Using the temperature value N in the second time period BBAnd a humidity value OBA value M detected by the gas sensor in the second time period BBPerforming correction processing to obtain correction value SB；
And calculate SAAnd SBThe similarity Pi of (1);
and sending the similarity Pi to a control module through the third communication module, wherein the plurality of correction values in the first time period A are SAiWithin the second time period B, ifThe dry correction value is SBi，i＝1,2,...n；
Is the average of the correction values over the first time period a,
the average value of the correction values in the second time period B is obtained; and the control module is used for receiving the similarity Pi and controlling the alarm module to send alarm information to remind a user of processing in time when the similarity Pi is determined to be lower than a preset similarity threshold.
According to some embodiments of the invention, when the number of the gas tanks is N, and the N gas tanks are simultaneously in a common open space:
the acquisition module comprises N pressure sensors, the N pressure sensors correspond to the N gas tanks one by one, and each pressure sensor is used for acquiring the pressure of the corresponding gas tank to the ground;
the control module is also used for acquiring the pressure acquired by each pressure sensor; determining the reduction speed of the pressure acquired by each pressure sensor in real time;
the control module is also used for acquiring the on-off state of the electromagnetic valve corresponding to each gas tank in real time and acquiring the maximum gas output speed of the electromagnetic valve in the current state;
the control module is also used for judging whether the reduction speed of the pressure corresponding to the ith gas tank is equal to or greater than a preset reduction speed; if so, judging whether the gas reduction amount in unit time corresponding to the maximum gas output speed of the electromagnetic valve corresponding to the ith gas tank in the current state is smaller than the pressure reduction speed; if so, the aperture area of the gas leak point present on the i-th gas tank is predicted in accordance with the following formula (1):
wherein S isiAn aperture area indicating a gas leak point on the ith gas tank; lambda [ alpha ]iRepresenting the flow coefficient of the corresponding valve of the ith gas tank; p is a radical ofiIndicating the pressure in the ith gas tank; t is ti1Representing a current point in time; t is ti0Determining a time point at which a reduction speed of the pressure corresponding to the ith gas tank is equal to or greater than a preset reduction speed for the control module; g represents the gravitational acceleration; rho'iRepresents the molar concentration of the gas in the ith gas tank; m isi2Represents the molecular weight of the gas in the ith gas tank; epsiloniRepresents the heat required for raising the temperature of gas in the ith gas tank by one degree centigrade per kilogram; p is a radical ofi0Represents the atmospheric pressure of the space where the ith gas tank is located; m isi1Represents the current mass of the i-th gas tank; gi0Represents ti0The pressure detected by the pressure sensor at the moment;
the control module is further used for sending the aperture area of the gas leakage point on the ith gas tank to the display module, retrieving the remedial measure corresponding to the gas leakage point of the aperture area from a database, and displaying the remedial measure on the display module.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a block diagram of a gas tank information acquisition system according to a first embodiment of the invention;
fig. 2 is a block diagram of a gas tank information acquisition system according to a second embodiment of the invention;
fig. 3 is a block diagram of a gas tank information acquisition system according to a third embodiment of the invention;
fig. 4 is a flowchart of a gas tank information collection method according to an embodiment of the invention.
Reference numerals:
the gas leakage alarm device comprises an acquisition module 1, a first communication module 2, an A/D conversion module 21, a single chip microcomputer 22, a wireless module 23, a control module 3, a second communication module 4, a display module 5, a power module 6, an alarm module 7, a gas leakage detection device 8, a third communication module 81, a controller 82, a gas sensor 83 and a fourth communication module 84.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
A gas tank information acquisition system proposed by an embodiment of the present invention is described below with reference to fig. 1 to 4.
Fig. 1 is a block diagram of a gas tank information acquisition system according to a first embodiment of the invention; as shown in fig. 1, an embodiment of the present invention provides a gas tank information acquisition system including:
the system comprises an acquisition module 1, a first communication module 2, a second communication module 4, a control module 3, a power module 6 and a display module 5; the output end of the power module 6 is respectively connected with the acquisition module 1, the first communication module 2, the second communication module 4, the control module 3 and the input end of the display module 5, the acquisition module 1 is connected with the control module 3 through the first communication module 2, and the display module 5 is connected with the control module 3 through the second communication module 4.
According to the gas tank information acquisition system provided by the embodiment of the invention, the acquisition module 1 acquires gas tank information and transmits the gas tank information to the control module 3 through the first communication module 2; the control module 3 receives the gas tank information and transmits the gas tank information to the display module 5 through the second communication module 4; the display module 5 receives the tank information and displays it for viewing by a user. This gas pitcher information acquisition system, the convenient collection to the gas pitcher information, labour saving and time saving, reduce cost can also gather the gas pitcher information in real time simultaneously, improves the ageing and the reliability of the gas pitcher information of gathering.
According to some embodiments of the present invention, the acquisition module 1 includes a first temperature and humidity sensor, a pressure sensor, a gas flow meter, a metal magnetic memory detection sensor, and a second temperature and humidity sensor; the first temperature and humidity sensor and the gas flowmeter are arranged on a gas pipeline communicated with a gas tank; the pressure sensor and the metal magnetic memory detection sensor are arranged on the gas tank; the second temperature and humidity sensor is arranged in a laboratory where the gas tank is located and used for detecting the temperature and the humidity of the environment where the gas tank is located.
The working principle of the technical scheme is as follows: the first temperature and humidity sensor is used for detecting the temperature and humidity information of the gas; the gas flowmeter is used for detecting the volume of gas flowing out of the gas tank and the volume information of residual gas in the gas tank; the pressure sensor is used for detecting the pressure information of the gas in the gas tank; the metal magnetic memory detection sensor is used for detecting whether the gas tank has defects, including whether the gas tank has defects such as cracks, air holes and pits. The detection principle of the metal magnetic memory detection sensor is as follows: the metal magnetic memory detection is a rapid nondestructive detection method for detecting stress concentration parts of components by using a metal magnetic memory effect, can diagnose stress concentration areas, namely microscopic defects, early failures, damages and the like, in ferromagnetic metal components, prevents sudden fatigue damage, and is a new detection means in the field of nondestructive detection. The second temperature and humidity sensor is used for detecting the temperature and humidity information of the environment where the gas tank is located.
The beneficial effects of the above technical scheme are that: through the volume of the outflow gas in the temperature, the humidity, the pressure of the collection gas, the gas tank, the volume information of the residual gas in the gas tank, the temperature and the humidity information of the environment where the gas tank is located, the defect information of the gas tank and the like, the comprehensiveness of the gas tank information collection is ensured, the monitoring of the gas tank is facilitated, the user can check more comprehensive gas tank information, and the user experience is improved.
Fig. 2 is a block diagram of a gas tank information acquisition system according to a second embodiment of the invention; as shown in fig. 2, the first communication module 2 includes:
the A/D conversion module 21 is used for converting the electric signals acquired by the acquisition module 1 into digital signals and transmitting the digital signals to the singlechip 22;
the singlechip 22 is connected with the A/D conversion module 21 and the wireless module 23, and is used for receiving the digital signal transmitted by the A/D conversion module 21, processing the signal and transmitting the processed signal to the wireless module 23;
and the wireless module 23 is used for receiving the signal processed by the singlechip 22 and transmitting the signal to the control module 3.
The working principle of the technical scheme is as follows: electric signals detected by sensors such as a first temperature and humidity sensor, a pressure sensor, a gas flowmeter, a metal magnetic memory detection sensor and a second temperature and humidity sensor in the acquisition module 1 are converted into digital signals through an A/D conversion module 21, and after the digital signals are processed by a single chip microcomputer 22, the wireless module 23 receives data information detected by the sensors and transmits the data information to the control module 3.
The beneficial effects of the above technical scheme are that: can be fast, effectual transmit control module 3 after the data conversion with sensor detection, convenient and fast has alleviateed work load greatly, and transmission data is accurate and high-efficient.
According to some embodiments of the present invention, the second communication module 4 comprises a wired communication module and/or a wireless communication module.
According to some embodiments of the invention, the wired communication module comprises a usb interface circuit; the wireless communication module comprises at least one of a wifi communication module, a 3g communication module and a 4g communication module.
According to some embodiments of the invention, the display module 5 comprises a liquid crystal display.
The working principle and the beneficial effects of the technical scheme are as follows: display module 5 can be liquid crystal display, and control module 3 passes through usb interface circuit with liquid crystal display and is connected, and control module 3 control display module 5 shows the gas pitcher information that collection module 1 gathered, can show with the characters form or the graph form shows. Through wired communication module, for example usb interface circuit connects, it is more stable to transmit data. Illustratively, the control module 3 is connected with the display module 5 through a wifi communication module, and the control module 3 transmits the gas tank information to the display module 5 through the wifi communication module. Through wireless communication module, like wifi communication module, transmission data rate is fast, and transmission data volume is big.
According to some embodiments of the invention, the gas tank information acquisition system further comprises an alarm module 7, and an input end of the alarm module 7 is connected with an output end of the control module 3 and an output end of the power module 6 respectively.
The working principle and the beneficial effects of the technical scheme are as follows: when control module 3 receives the gas pitcher information, when judging that the gas pitcher information is not conform to the preset scope, control alarm module 7 and send alarm information and remind the user to handle in time. Illustratively, when the detected temperature of the gas is 30 degrees, the preset gas temperature is 20 degrees to 25 degrees, the temperature of the gas in the gas tank is not in accordance with the preset temperature range, and the alarm module 7 sends alarm information to remind a user of timely processing.
According to some embodiments of the invention, said alarm module 7 comprises an audible and visual alarm.
The audible and visual alarm gives out sound and light to achieve the purpose of alarming, so that people can receive alarm information in time to process the alarm information.
Fig. 3 is a block diagram of a gas tank information acquisition system according to a third embodiment of the invention; as shown in fig. 3, the gas tank information collection system further includes a gas leak detection device 8, connected to the control module 3, including: a third communication module 81, a controller 82, a gas sensor 83 and a fourth communication module 84; the controller 82 is electrically connected to the third communication module 81 and the fourth communication module 84; the fourth communication module 84 is further connected to the gas sensor 83; wherein,
the controller 82 is configured to receive, through the fourth communication module 84, the value M detected by the gas sensor 83 in the first time period a every first preset time TAAnd the value M detected by the gas sensor 83 during the second period BB(ii) a The first time period A is equal to the second time period B in duration; and also for passing said third communicationThe module 81 receives the temperature value N detected by the second temperature and humidity sensor in the first time period aAAnd a humidity value OAAnd the temperature value N detected by the second temperature and humidity sensor in the second time period BBAnd a humidity value OBUsing the value N of the temperature in the first time period AAAnd a humidity value OAA value M detected by the gas sensor 83 during the first period AAPerforming correction processing to obtain correction value SA；
Using the temperature value N in the second time period BBAnd a humidity value OBA value M detected by the gas sensor 83 during the second period BBPerforming correction processing to obtain correction value SB；
And calculate SAAnd SBThe similarity Pi of (1);
and sending the similarity Pi to the control module 3 through the third communication module 81, wherein the plurality of correction values in the first time period a are SAiA plurality of correction values in the second time period B are SBi，i＝1,2,...n；
Is the average of the correction values over the first time period a,
is the average of the correction values over the second time period B.
The working principle and the beneficial effects of the technical scheme are as follows: the gas sensor 83 is preferably an infrared gas sensor, and has the advantages of high precision, good selectivity, low reliability, strong anti-interference capability and the like; whether gas leakage occurs in the gas tank or not is detected through the gas sensor 83, and the numerical value detected by the gas sensor 83 is corrected by adopting the temperature and humidity information detected by the second temperature and humidity sensor, so that the interference of the temperature and humidity information in the environment on the gas sensor 83 can be effectively eliminated, and the detection accuracy of the gas sensor 83 is improved.
The control module 3 is configured to receive the similarity Pi, and control the alarm module 7 to send alarm information to remind a user of timely processing when it is determined that the similarity Pi is lower than a preset similarity threshold.
The working principle and the beneficial effects of the technical scheme are as follows: when the similarity Pi is lower than the preset similarity threshold value, the gas tank is indicated to have gas leakage, the control module 3 controls the alarm module 7 to send alarm information to remind a user of timely processing, the harm of the gas leakage to a human body can be reduced, the influence on the environment is reduced, and the loss caused by the gas leakage is reduced.
Fig. 4 is a flowchart of a gas tank information acquisition method according to an embodiment of the invention; as shown in fig. 4, the gas tank information gathering method includes steps S1-S3:
s1, the acquisition module 1 acquires the information of the gas tank and transmits the information of the gas tank to the control module 3 through the first communication module 2;
s2, the control module 3 receives the gas tank information and transmits the gas tank information to the display module 5 through the second communication module 4;
s3, the display module 5 receives the tank information and displays it for the user to view.
The beneficial effects of the above technical scheme are that: the gas tank information acquisition method is convenient for acquiring the gas tank information, saves time and labor, reduces cost, and can acquire the gas tank information in real time, thereby improving the timeliness and reliability of the acquired gas tank information.
In one embodiment, when the number of the gas tanks is N, and the N gas tanks are simultaneously in a common open space:
the acquisition module comprises N pressure sensors, the N pressure sensors correspond to the N gas tanks one by one, and each pressure sensor is used for acquiring the pressure of the corresponding gas tank to the ground;
the control module is also used for acquiring the pressure acquired by each pressure sensor; determining the reduction speed of the pressure acquired by each pressure sensor in real time;
the control module is also used for acquiring the on-off state of the electromagnetic valve corresponding to each gas tank in real time and acquiring the maximum gas output speed of the electromagnetic valve in the current state;
the control module is also used for judging whether the reduction speed of the pressure corresponding to the ith gas tank is equal to or greater than a preset reduction speed; if so, judging whether the gas reduction amount in unit time corresponding to the maximum gas output speed of the electromagnetic valve corresponding to the ith gas tank in the current state is smaller than the pressure reduction speed; if so, the aperture area of the gas leak point present on the i-th gas tank is predicted in accordance with the following formula (1):
wherein S isiAn aperture area indicating a gas leak point on the ith gas tank; lambda [ alpha ]iRepresenting the flow coefficient of the corresponding valve of the ith gas tank; p is a radical ofiIndicating the pressure in the ith gas tank; t is ti1Representing a current point in time; t is ti0Determining a time point at which a reduction speed of the pressure corresponding to the ith gas tank is equal to or greater than a preset reduction speed for the control module; g represents the gravitational acceleration; rho'iRepresents the molar concentration of the gas in the ith gas tank; m isi2Represents the molecular weight of the gas in the ith gas tank; epsiloniRepresents the heat required for raising the temperature of gas in the ith gas tank by one degree centigrade per kilogram; p is a radical ofi0Represents the atmospheric pressure of the space where the ith gas tank is located; m isi1Represents the current mass of the i-th gas tank; gi0Represents ti0The pressure detected by the pressure sensor at the moment;
the control module is further used for sending the aperture area of the gas leakage point on the ith gas tank to the display module, retrieving the remedial measure corresponding to the gas leakage point of the aperture area from a database, and displaying the remedial measure on the display module.
The beneficial effects of the above technical scheme are that: the prior art cannot predict the size of the gas leakage point on the gas tank, and only needs to consider how to remedy the gas leakage point after the size of the gas leakage point is surveyed on site, so that much time is wasted for remediation; the technical scheme provided by the embodiment of the invention can be used for rapidly and intelligently predicting the size of the gas leakage point on the gas tank, and can be used for conveniently and timely taking effective remedial measures and improving the remedial efficiency.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A gas tank information acquisition system characterized by comprising:
the device comprises an acquisition module, a first communication module, a second communication module, a control module, a power module and a display module; the output end of the power module is respectively connected with the input ends of the acquisition module, the first communication module, the second communication module, the control module and the display module, the acquisition module is connected with the control module through the first communication module, and the display module is connected with the control module through the second communication module.
2. The gas tank information acquisition system according to claim 1, wherein the acquisition module includes a first temperature and humidity sensor, a pressure sensor, a gas flow meter, a metal magnetic memory detection sensor, a second temperature and humidity sensor; the first temperature and humidity sensor and the gas flowmeter are arranged on a gas pipeline communicated with a gas tank; the pressure sensor and the metal magnetic memory detection sensor are arranged on the gas tank; the second temperature and humidity sensor is arranged in a laboratory where the gas tank is located and used for detecting the temperature and the humidity of the environment where the gas tank is located.
3. A gas tank information acquisition system according to claim 2, wherein the first communication module includes:
the A/D conversion module is used for converting the electric signals acquired by the acquisition module into digital signals and transmitting the digital signals to the singlechip;
the singlechip is connected with the A/D conversion module and the wireless module and is used for receiving the digital signal transmitted by the A/D conversion module, processing the signal and transmitting the processed signal to the wireless module;
and the wireless module is used for receiving the signal processed by the singlechip and transmitting the signal to the control module.
4. A gas tank information acquisition system according to claim 3, wherein the second communication module includes a wired communication module and/or a wireless communication module.
5. A gas tank information acquisition system according to claim 4, wherein the wired communication module includes a usb interface circuit; the wireless communication module comprises at least one of a wifi communication module, a 3g communication module and a 4g communication module.
6. A gas tank information acquisition system as defined in claim 5, wherein said display module comprises a liquid crystal display.
7. A gas tank information acquisition system as claimed in claim 6, further comprising an alarm module having an input connected to an output of the control module and an output of the power module, respectively.
8. A gas cylinder information acquisition system as defined in claim 7, further comprising, in connection with the control module, a controller including: the gas sensor comprises a third communication module, a controller, a gas sensor and a fourth communication module; the controller is electrically connected with the third communication module and the fourth communication module; the fourth communication module is also connected with the gas sensor; wherein,
the controller is used for receiving a numerical value MA detected by the gas sensor in a first time period A and a numerical value MB detected by the gas sensor in a second time period B every a first preset time T through the fourth communication module; the first time period A is equal to the second time period B in duration; the third communication module is further configured to receive a temperature value NA and a humidity value OA detected by the second temperature and humidity sensor in the first time period a and a temperature value NB and a humidity value OB detected by the second temperature and humidity sensor in the second time period B, and correct the value MA detected by the gas sensor in the first time period a by using the temperature value NA and the humidity value OA in the first time period a to obtain a corrected value SA;
correcting the value MB detected by the gas sensor in the second time period B by using the temperature value NB and the humidity value OB in the second time period B to obtain a corrected value SB;
calculating the similarity Pi of the SA and the SB;
and sending the similarity Pi to a control module through the third communication module, wherein the plurality of correction values in the first time period A are SAiA plurality of correction values in the second time period B are SBi，i＝1,2,...n；
Is the average of the correction values over the first time period a,
the average value of the correction values in the second time period B is obtained;
and the control module is used for receiving the similarity Pi and controlling the alarm module to send alarm information to remind a user of processing in time when the similarity Pi is determined to be lower than a preset similarity threshold.
9. A gas tank information acquisition system as defined in claim 1,
when the number of the gas tanks is N, and the N gas tanks are simultaneously in a common open space:
the acquisition module comprises N pressure sensors, the N pressure sensors correspond to the N gas tanks one by one, and each pressure sensor is used for acquiring the pressure of the corresponding gas tank to the ground;
the control module is also used for acquiring the pressure acquired by each pressure sensor; determining the reduction speed of the pressure acquired by each pressure sensor in real time;
the control module is also used for acquiring the on-off state of the electromagnetic valve corresponding to each gas tank in real time and acquiring the maximum gas output speed of the electromagnetic valve in the current state;
the control module is also used for judging whether the reduction speed of the pressure corresponding to the ith gas tank is equal to or greater than a preset reduction speed; if so, judging whether the gas reduction amount in unit time corresponding to the maximum gas output speed of the electromagnetic valve corresponding to the ith gas tank in the current state is smaller than the pressure reduction speed; if so, the aperture area of the gas leak point present on the i-th gas tank is predicted in accordance with the following formula (1):
wherein S isiAn aperture area indicating a gas leak point on the ith gas tank; lambda [ alpha ]iRepresenting the flow coefficient of the corresponding valve of the ith gas tank; p is a radical ofiIndicating the pressure in the ith gas tank; t is ti1Representing a current point in time; t is ti0Determining a time point at which a reduction speed of the pressure corresponding to the ith gas tank is equal to or greater than a preset reduction speed for the control module; g represents the gravitational acceleration; rho'iRepresents the molar concentration of the gas in the ith gas tank; m isi2Represents the molecular weight of the gas in the ith gas tank; epsiloniRepresents the heat required for raising the temperature of gas in the ith gas tank by one degree centigrade per kilogram; p is a radical ofi0Represents the atmospheric pressure of the space where the ith gas tank is located; m isi1Represents the current mass of the i-th gas tank; gi0Represents ti0The pressure detected by the pressure sensor at the moment;
the control module is further used for sending the aperture area of the gas leakage point on the ith gas tank to the display module, retrieving the remedial measure corresponding to the gas leakage point of the aperture area from a database, and displaying the remedial measure on the display module.
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| CN115639759A (en) * | 2021-02-08 | 2023-01-24 | 沈阳清能环保科技有限公司 | Light hydrocarbon gas controller |
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