CN115392638A - Liquefied gas safety in utilization control management platform - Google Patents
Liquefied gas safety in utilization control management platform Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 claims abstract description 134
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 92
- 239000010959 steel Substances 0.000 claims abstract description 92
- 238000004891 communication Methods 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 10
- 239000007789 gas Substances 0.000 description 167
- 239000003915 liquefied petroleum gas Substances 0.000 description 6
- 238000009423 ventilation Methods 0.000 description 3
- 206010000369 Accident Diseases 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
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Abstract
The invention belongs to the technical field of combustible gas supervision systems, and particularly relates to a liquefied gas use safety monitoring management platform which comprises a liquefied gas steel cylinder, a steel cylinder valve body and a pressure reducing valve, wherein a hand wheel is arranged on the steel cylinder valve body, a hand wheel monitoring assembly is arranged on the hand wheel, a first gyroscope and a positioning module are arranged on the hand wheel monitoring assembly, a valve monitoring assembly is arranged between the steel cylinder valve body and the pressure reducing valve, and a second gyroscope, a wireless module and a pressure sensor are arranged on the valve monitoring assembly; the monitoring management platform is provided with an information management system, a positioning monitoring system and a gas utilization monitoring system. The invention can accurately position the position of the liquefied gas steel cylinder and check the use information of the corresponding liquefied gas steel cylinder, improves the supervision capability of the liquefied gas steel cylinder, solves the problems of loss and untimely scrapping of the liquefied gas steel cylinder in service life, controls the closing of the pressure reducing valve by the gyroscope II when the liquefied gas steel cylinder is toppled, and effectively avoids leakage of liquefied gas.
Description
The technical field is as follows:
the invention belongs to the technical field of combustible gas supervision systems, and particularly relates to a liquefied gas use safety monitoring management platform.
Background art:
the liquefied petroleum gas cylinder is used as a pressure container for storing liquefied petroleum gas, and because the liquefied petroleum gas belongs to flammable and explosive dangerous goods, the liquefied petroleum gas cylinder can bring about explosive accidents to users and society when the liquefied petroleum gas cylinder is poorly managed or improperly used, further causes loss of property, life and the like, and endangers social safety.
When the liquefied gas steel cylinder is used with a stove through a gas pipe, the liquefied gas cylinder is toppled (especially in the application condition of a mobile vendor), and the leakage of the liquefied petroleum gas is easily caused.
The invention content is as follows:
the invention aims to provide a liquefied gas use safety monitoring and management platform which can accurately position the position of each liquefied gas steel cylinder and check the use information of the corresponding liquefied gas steel cylinder, improve the supervision capability of relevant departments or gas companies on the liquefied gas steel cylinders, solve the problems of loss and untimely scrapping of the liquefied gas steel cylinders, and simultaneously, control the closing of a pressure reducing valve by means of a gyroscope II when the liquefied gas steel cylinders are toppled, so that the leakage of liquefied gas is effectively avoided.
The invention is realized by the following steps:
a liquefied gas use safety monitoring and management platform comprises a liquefied gas steel cylinder, a steel cylinder valve body arranged on the liquefied gas steel cylinder and a pressure reducing valve connected with the gas outlet end of the steel cylinder valve body, wherein a hand wheel for opening and closing the steel cylinder valve body is arranged on the steel cylinder valve body, a hand wheel monitoring assembly is arranged on the hand wheel, a first gyroscope and a positioning module which can be in wireless communication with the monitoring and management platform and has a positioning function are arranged on the hand wheel monitoring assembly, the opening or closing of the positioning module is controlled by the hand wheel monitoring assembly according to the signal of the first gyroscope, a valve monitoring assembly is arranged between the steel cylinder valve body and the pressure reducing valve, a second gyroscope, a wireless module which can be in wireless communication with the monitoring and management platform and a pressure sensor for detecting the pressure in the liquefied gas steel cylinder are arranged on the valve monitoring assembly, and the opening or closing of the pressure reducing valve is controlled by the valve monitoring assembly according to the signal of the second gyroscope;
the monitoring management platform is provided with an information management system, a positioning monitoring system and a gas utilization monitoring system,
the information management system can record and change the use related information of each liquefied gas steel cylinder,
the positioning monitoring system comprises the following steps:
a1, setting a working area range on a geographical map,
a2, recording the positioning information transmitted by the positioning module of each liquefied gas steel cylinder through an information management system,
a3, when the positioning information transmitted by the positioning module of one of the liquefied gas steel cylinders is out of the range of the working area, the system gives an alarm;
the gas utilization monitoring system comprises the following steps:
b1, setting a safety threshold of air pressure,
b2, recording the air pressure information transmitted by the wireless module of each liquefied gas steel cylinder through an information management system,
b3, when the gas pressure in the liquefied gas cylinder is reduced, calculating and displaying the use condition of the liquefied gas in the liquefied gas cylinder,
and B4, when the air pressure in the liquefied gas steel cylinder is higher than the air pressure safety threshold value, the system gives an alarm.
In the liquefied gas use safety monitoring and management platform, the hand wheel monitoring assembly is provided with a power module capable of providing electric quantity for the hand wheel monitoring assembly, the hand wheel monitoring assembly can identify the residual electric quantity of the power module and wirelessly transmit the residual electric quantity to the monitoring and management platform through the positioning module, and the information management system records the residual electric quantity information of the hand wheel transmitted by the positioning module of each liquefied gas steel cylinder.
In foretell liquefied gas safety in utilization control management platform, still including the website of taking a breath with control management platform communication connection, the website of taking a breath can be aerifyd for the liquefied gas steel bottle and detect the electric quantity of this liquefied gas steel bottle's power module when aerifing, is aerifyd the number of times to the liquefied gas steel bottle by the website of taking a breath through information management system record by control management platform.
In foretell liquefied gas safety in utilization control management platform, be provided with wireless module of charging on the hand wheel monitoring assembly, wireless module and the power module electric connection of charging.
In foretell liquefied gas safety in utilization control management platform, be provided with the temperature-sensing module that can detect the liquefied gas steel bottle temperature on the hand wheel control assembly and can remind user's warning module, when temperature-sensing module detected the liquefied gas steel bottle temperature more than or equal to 80 ℃, hand wheel control assembly control warning module's start-up and close the relief pressure valve through valve control assembly.
In the above-mentioned safety monitoring and managing platform for liquefied gas usage, the hand wheel monitoring assembly is provided with a physical flow sensor for detecting gas flow in the cylinder valve body, the periphery of the liquefied gas cylinder is provided with a first combustible gas detector, when the combustible gas contacts the first combustible gas detector, the bridge voltage in the first combustible gas detector changes, and then the pressure reducing valve is closed through the valve monitoring assembly, and an alarm is given by the monitoring and managing platform.
In the above-mentioned liquefied gas safety in utilization monitoring management platform, still including setting up the indoor gas chamber inner tube way of setting and the gas valve that controls the gas and get into gas chamber inner tube way, be provided with flow detection sensor on the gas chamber inner tube way, flow detection sensor and gas valve all with gas monitoring assembly electric connection, gas monitoring assembly and monitoring management platform communication connection, the information management system is internal to be recorded with the relevant information of use of each gas chamber inner tube way, monitoring management platform passes through the gas monitoring assembly and receives and by the flow information that information management system recorded flow detection sensor and transmitted.
In the above-mentioned liquefied gas safety monitoring management platform, the second flammable gas detector is arranged in the room, and when the flammable gas contacts the second flammable gas detector, the bridge voltage in the second flammable gas detector changes, so that the gas valve is closed through the gas monitoring assembly, and the monitoring management platform gives an alarm.
In the above safety monitoring and managing platform for liquefied gas usage, the positioning module is a bluetooth or wifi or GPS or NBlot or Zigbee or 4G communication module or ultra wide band.
Compared with the prior art, the invention has the outstanding advantages that:
the hand wheel is additionally provided with the positioning module and the gyroscope I, so that the position of each liquefied gas steel cylinder can be accurately positioned when a customer uses or carries the liquefied gas steel cylinders, the use information of the corresponding liquefied gas steel cylinder can be recorded and checked on the monitoring management platform, the supervision capacity of relevant departments or gas companies on the liquefied gas steel cylinders is improved, the problems that the liquefied gas steel cylinders are lost and the liquefied gas steel cylinders are not discarded in time in service life are solved, and meanwhile, when the liquefied gas steel cylinders are toppled, the closing of the pressure reducing valve is controlled by the gyroscope II, and the leakage of liquefied gas is effectively avoided.
Description of the drawings:
FIG. 1 is a schematic view of the connection between a liquefied gas cylinder and a monitoring management platform according to the present invention.
In the figure: 1. monitoring and managing the platform; 2. a liquefied gas cylinder; 3. a pressure reducing valve; 4. a hand wheel monitoring assembly; 5. A first gyroscope; 6. a positioning module; 7. a valve monitoring assembly; 8. a second gyroscope; 9. a wireless module; 10. A pressure sensor; 11. an information management system; 12. positioning a monitoring system; 13. a gas usage monitoring system; 14. A power supply module; 15. a wireless charging module; 16. a temperature sensing module; 17. a physical flow sensor; 18. A combustible gas detector I; 19. and an alarm module.
The specific implementation mode is as follows:
the invention is further described below in specific embodiments, with reference to fig. 1:
the utility model provides a liquefied gas safety in utilization control management platform, including liquefied gas steel bottle 2, establish the steel bottle valve body on liquefied gas steel bottle 2 and the relief pressure valve 3 of being connected with the end of giving vent to anger of steel bottle valve body, be equipped with the hand wheel that is used for switching steel bottle valve body on the steel bottle valve body, be equipped with hand wheel monitoring assembly 4 on the hand wheel monitoring assembly 4, be equipped with gyroscope 5 on the hand wheel monitoring assembly 4 and can carry out wireless communication and have locate function's orientation module 6 with control management platform 1, by opening or closing of hand wheel monitoring assembly 4 according to gyroscope 5's signal control orientation module 6, need not in real time through orientation module 6 control this liquefied gas steel bottle 2's positional information promptly, only when the customer uses or carries liquefied gas steel bottle 2, gyroscope 5 signals, and then by opening of hand wheel monitoring assembly 4 control orientation module 6, control management platform 1 just can receive and take notes this steel bottle 2's positional information.
A valve monitoring assembly 7 is arranged between the steel cylinder valve body and the pressure reducing valve 3, a second gyroscope 8, a wireless module 9 capable of carrying out wireless communication with the monitoring management platform 1 and a pressure sensor 10 for detecting the air pressure in the liquefied gas steel cylinder 2 are arranged on the valve monitoring assembly 7, and the valve monitoring assembly 7 controls the opening or closing of the pressure reducing valve 3 according to signals of the second gyroscope 8; wherein, the end of giving vent to anger of relief pressure valve 3 passes through the trachea and communicates with the kitchen range, and when liquefied gas steel bottle 2 took place to topple over, gyroscope two 8 signals, and then control relief pressure valve 3 by valve monitoring assembly 7 and close to avoid liquefied gas to take place to leak.
Meanwhile, in order to enable related departments or gas companies to effectively monitor the liquefied gas steel cylinder 2 by the monitoring and managing platform 1 of the invention, the monitoring and managing platform 1 is provided with an information management system 11, a positioning monitoring system 12 and a gas consumption monitoring system 13,
the information management system 11 can record and modify the usage-related information of each of the liquefied gas cylinders 2, wherein the usage-related information of the liquefied gas cylinders 2 includes the date of manufacture of the liquefied gas cylinder 2, annual inspection information, cylinder company registration information, location information, usage pressure information, customer information, and the like.
Further, in order to enable accurate monitoring of the position and movement trajectory of the liquefied gas cylinder 2, the positioning monitoring system 12 includes the steps of:
a1, setting a working area range on a geographical map,
a2, recording the positioning information transmitted by the positioning module 6 of each liquefied gas steel cylinder 2 through the information management system 11, and in the embodiment, displaying the moving track of the corresponding liquefied gas steel cylinder 2 in a geographical map, so that the practical application condition of the liquefied gas steel cylinder 2 in a client can be conveniently traced by relevant departments or gas companies, and meanwhile, when the service life of the liquefied gas steel cylinder 2 is due, arranging personnel to go to the recovery in time.
A3, when the positioning information transmitted by the positioning module 6 of one of the liquefied gas steel cylinders 2 is out of the range of the working area, the system gives an alarm; thereby effectively avoiding the loss of the liquefied gas steel cylinder 2.
Meanwhile, in order to monitor the actual usage amount of the liquefied gas steel cylinder 2, when the liquefied gas in the liquefied gas steel cylinder 2 is about to be used up or is used up, personnel can be arranged to go to the door in time for recovery and replacement, and the situation that no liquefied gas is used by a client is avoided, and the gas monitoring system 13 comprises the following steps:
b1, setting an air pressure safety threshold value,
b2, recording the air pressure information transmitted by the wireless module 9 of each liquefied gas steel cylinder 2 through the information management system 11,
b3, when the gas pressure in the liquefied gas cylinder 2 is reduced, calculating and displaying the use condition of the liquefied gas in the liquefied gas cylinder 2,
and B4, when the air pressure in the liquefied gas steel cylinder 2 is higher than the air pressure safety threshold value, the system gives an alarm. The liquefied gas cylinder 2 has a high pressure, and there is a high possibility that a fire accident such as a fire accident will occur or has occurred around the cylinder, so that when the system gives an alarm, relevant departments or gas companies can inform clients of the corresponding situation in time, thereby avoiding the occurrence of an accident or reducing the loss caused by the accident.
Furthermore, in order to enable the handwheel monitoring assembly 4 to work normally, a power module 14 capable of providing electric quantity for the handwheel monitoring assembly 4 is arranged on the handwheel monitoring assembly 4, meanwhile, the handwheel monitoring assembly 4 can identify the residual electric quantity of the power module 14 and wirelessly transmit the residual electric quantity to the monitoring management platform 1 through the positioning module 6, and the information management system 11 records the handwheel residual electric quantity information transmitted by the positioning module 6 of each liquefied gas steel cylinder 2. Therefore, the monitoring management platform 1 can display the remaining capacity of the power module 14 on each liquefied gas steel cylinder 2, so that the worker can replace the power module 14 or charge the power module 14 in time.
In order to find and replace or charge the power module 14 of the liquefied gas steel cylinder 2 after the above situation occurs, in this embodiment, the monitoring management platform 1 further includes a ventilation station in communication connection with the monitoring management platform 1, the ventilation station can inflate the liquefied gas steel cylinder 2 and detect the electric quantity of the power module 14 of the liquefied gas steel cylinder 2 during inflation, that is, when the liquefied gas steel cylinder 2 is inflated, the electric quantity of the power module 14 is also detected, and when the situation that the electric quantity is insufficient or consumed up is found, the power module 14 can be replaced or charged while the gas is inflated. Meanwhile, in order to know whether the customer charges the gas at the black gas station, the monitoring management platform 1 records the number of times of charging the liquefied gas cylinder 2 at the ventilation station through the information management system 11. Whether the customer charges at the black gas station can be known by respectively monitoring the gas consumption of the liquefied gas steel cylinder 2 and the gas charging times of the liquefied gas steel cylinder 2.
Furthermore, in order to charge the power module 14 on the hand wheel monitoring assembly 4, the hand wheel monitoring assembly 4 is provided with a wireless charging module 15, and the wireless charging module 15 is electrically connected with the power module 14.
Meanwhile, in order to improve the use safety of the liquefied gas steel cylinder 2, the hand wheel monitoring assembly 4 is provided with a temperature sensing module 16 capable of detecting the temperature of the liquefied gas steel cylinder 2 and a warning module 19 capable of reminding a user, and when the temperature sensing module 16 detects that the temperature of the liquefied gas steel cylinder 2 is greater than or equal to 80 ℃, the hand wheel monitoring assembly 4 controls the start of the warning module 19 and closes the pressure reducing valve 3 through the valve monitoring assembly 7. The temperature sensing module 16 can adopt the existing common temperature sensing chip, namely, the warning module 19 reminds the customer that the liquefied gas steel cylinder 2 is overheated and has potential safety hazard, and simultaneously, the pressure reducing valve 3 is closed and the liquefied gas is blocked from being continuously output outwards; the alarm module 19 may be a conventional alarm lamp or a buzzer.
In addition, in order to enable the liquefied gas to be found in time when leakage occurs and close the pressure reducing valve 3, a physical flow sensor 17 for detecting the gas flow in the cylinder valve body is arranged on the hand wheel monitoring assembly 4, a combustible gas detector 18 is arranged on the periphery of the liquefied gas cylinder 2, when the combustible gas contacts the combustible gas detector 18, the bridge voltage in the combustible gas detector 18 changes, and then the pressure reducing valve 3 is closed through the valve monitoring assembly 7 and an alarm is given out by the monitoring management platform 1. Wherein the relevant department or gas company can inform the customer of the occurrence of the situation in time. Of course, the warning module 19 may also be used to send warning information to remind the customer of the potential safety hazard.
Furthermore, in order to enable the liquefied gas steel cylinder 2 to be precisely located and the locating module 6 to perform wireless communication with the monitoring management platform 1, the locating module 6 may adopt a bluetooth, wifi, GPS, NBlot, zigbee, 4G communication module, or ultra wideband.
Furthermore, in view of the development of city construction at present, the popularization and application of the gas pipeline thereof are also provided, in order to enable the monitoring management platform 1 of the present invention to monitor the gas pipeline used by the customer, the present invention further includes a gas chamber inner pipeline arranged indoors, and a gas valve for controlling the gas to enter the gas chamber inner pipeline, the gas chamber inner pipeline is provided with a flow detection sensor, both the flow detection sensor and the gas valve are electrically connected with a gas monitoring assembly, the gas monitoring assembly is in communication connection with the monitoring management platform 1, and the information management system 11 is internally recorded with usage related information of each gas chamber inner pipeline, wherein the usage related information of the gas chamber inner pipeline includes information of the customer, the usage amount of the gas, and the monitoring management platform 1 receives the flow information transmitted by the flow detection sensor through the gas monitoring assembly and is recorded by the information management system 11, that is, the flow information transmitted by the flow detection sensor, so that the monitoring management platform 1 can obtain the gas usage condition of the customer.
And in order to close the gas valve when the gas leakage happens, the combustible gas detector II is arranged in the chamber, when the combustible gas contacts the combustible gas detector II, the voltage of the electric bridge in the combustible gas detector II changes, and then the gas valve is closed through the gas monitoring assembly and the monitoring management platform 1 gives an alarm. And related departments or gas companies can inform clients in time and arrange maintainers to go to the door to discharge potential safety hazards.
The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so: equivalent changes made according to the shape, structure and principle of the invention are all covered by the protection scope of the invention.
Claims (9)
1. The utility model provides a liquefied gas safety in utilization control management platform, including liquefied gas steel bottle (2), establish the steel bottle valve body on liquefied gas steel bottle (2) and with relief pressure valve (3) that the end of giving vent to anger of steel bottle valve body is connected, be equipped with the hand wheel that is used for switching steel bottle valve body on the steel bottle valve body, its characterized in that: the hand wheel monitoring assembly (4) is arranged on the hand wheel, a first gyroscope (5) and a positioning module (6) which can be in wireless communication with the monitoring management platform (1) and has a positioning function are arranged on the hand wheel monitoring assembly (4), the hand wheel monitoring assembly (4) controls the positioning module (6) to open or close according to signals of the first gyroscope (5), a valve monitoring assembly (7) is arranged between the steel cylinder valve body and the pressure reducing valve (3), a second gyroscope (8), a wireless module (9) which can be in wireless communication with the monitoring management platform (1) and a pressure sensor (10) for detecting the air pressure in the liquefied gas steel cylinder (2) are arranged on the valve monitoring assembly (7), and the valve monitoring assembly (7) controls the pressure reducing valve (3) to open or close according to signals of the second gyroscope (8);
the monitoring management platform (1) is provided with an information management system (11), a positioning monitoring system (12) and a gas utilization monitoring system (13),
the information management system (11) can record and change the use related information of each liquefied gas cylinder (2),
the positioning monitoring system (12) comprises the following steps:
a1, setting a working area range on a geographical map,
a2, recording the positioning information transmitted by the positioning module (6) of each liquefied gas steel cylinder (2) through an information management system (11),
a3, when the positioning information transmitted by the positioning module (6) of one of the liquefied gas steel cylinders (2) is out of the range of the working area, the system gives an alarm;
the gas monitoring system (13) comprises the following steps:
b1, setting a safety threshold of air pressure,
b2, recording the air pressure information transmitted by the wireless module (9) of each liquefied gas steel cylinder (2) through an information management system (11),
b3, calculating and displaying the using condition of the liquefied gas in the liquefied gas cylinder (2) when the gas pressure in the liquefied gas cylinder (2) is reduced,
and B4, when the air pressure in the liquefied gas steel cylinder (2) is higher than the air pressure safety threshold, the system gives an alarm.
2. The liquefied gas use safety monitoring and management platform according to claim 1, wherein: the hand wheel monitoring assembly (4) is provided with a power module (14) capable of providing electric quantity for the hand wheel monitoring assembly (4), the hand wheel monitoring assembly (4) can identify the residual electric quantity of the power module (14) and wirelessly transmit the residual electric quantity to the monitoring management platform (1) through the positioning module (6), and the information management system (11) records the residual electric quantity information of the hand wheel transmitted by the positioning module (6) of each liquefied gas steel cylinder (2).
3. The liquefied gas use safety monitoring and management platform according to claim 2, wherein: the liquefied gas cylinder (2) air charging system is characterized by further comprising an air charging station which is in communication connection with the monitoring management platform (1), the air charging station can charge the liquefied gas cylinder (2) and detect the electric quantity of a power module (14) of the liquefied gas cylinder (2) during air charging, and the monitoring management platform (1) records the number of times of air charging of the liquefied gas cylinder (2) through the air charging station through the information management system (11).
4. The liquefied gas use safety monitoring and management platform according to claim 2, wherein: the hand wheel monitoring assembly (4) is provided with a wireless charging module (15), and the wireless charging module (15) is electrically connected with the power supply module (14).
5. The liquefied gas use safety monitoring and management platform according to claim 1, wherein: be provided with temperature-sensing module (16) that can detect liquefied gas steel bottle (2) temperature on hand wheel control assembly (4) and warning module (19) that can remind the user, when temperature more than or equal to 80 ℃ that temperature-sensing module (16) detected liquefied gas steel bottle (2), start-up of hand wheel control assembly (4) control warning module (19) and close relief pressure valve (3) through valve control assembly (7).
6. The liquefied gas use safety monitoring and management platform according to claim 1, wherein: the hand wheel monitoring assembly (4) is provided with a physical flow sensor (17) for detecting air flow in the cylinder valve body, a combustible gas detector I (18) is arranged on the periphery of the liquefied gas cylinder (2), when the combustible gas contacts the combustible gas detector I (18), the bridge voltage in the combustible gas detector I (18) changes, and then the pressure reducing valve (3) is closed through the valve monitoring assembly (7) and an alarm is given out through the monitoring management platform (1).
7. The liquefied gas use safety monitoring and management platform according to claim 1, wherein: the intelligent gas-fired control system is characterized by further comprising an indoor gas chamber inner pipeline and a gas valve, wherein the gas valve is used for controlling gas to enter the gas chamber inner pipeline, a flow detection sensor is arranged on the gas chamber inner pipeline, the flow detection sensor and the gas valve are electrically connected with a gas monitoring assembly, the gas monitoring assembly is in communication connection with a monitoring management platform (1), the information management system (11) is internally recorded with use related information of each gas chamber inner pipeline, and the monitoring management platform (1) receives the flow information which is transmitted by the flow detection sensor through the gas monitoring assembly and records the flow information through the information management system (11).
8. The liquefied gas use safety monitoring and management platform according to claim 7, wherein: and a second combustible gas detector is arranged in the room, when the combustible gas contacts the second combustible gas detector, the voltage of a bridge in the second combustible gas detector changes, and then a gas valve is closed through a gas monitoring assembly and an alarm is given out through a monitoring management platform (1).
9. The liquefied gas use safety monitoring and management platform according to claim 1, wherein: the positioning module (6) is a Bluetooth or wifi or GPS or NBlot or Zigbee or 4G communication module or ultra wide band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210880680.5A CN115392638A (en) | 2022-07-25 | 2022-07-25 | Liquefied gas safety in utilization control management platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117436711A (en) * | 2023-12-20 | 2024-01-23 | 深圳市兰洋科技有限公司 | Liquefied gas steel cylinder supervision system and supervision method based on Internet of things |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117436711A (en) * | 2023-12-20 | 2024-01-23 | 深圳市兰洋科技有限公司 | Liquefied gas steel cylinder supervision system and supervision method based on Internet of things |
| CN117436711B (en) * | 2023-12-20 | 2024-04-02 | 深圳市兰洋科技有限公司 | Liquefied gas steel cylinder supervision system and supervision method based on Internet of things |
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