CN216202403U - Small-size intelligent liquefied petroleum gas metering device - Google Patents
Small-size intelligent liquefied petroleum gas metering device Download PDFInfo
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- CN216202403U CN216202403U CN202122868557.5U CN202122868557U CN216202403U CN 216202403 U CN216202403 U CN 216202403U CN 202122868557 U CN202122868557 U CN 202122868557U CN 216202403 U CN216202403 U CN 216202403U
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Abstract
The utility model discloses a small intelligent liquefied petroleum gas metering device, wherein a gas cylinder of liquefied petroleum gas is connected with a gas stove through a pressure reducing valve and a gas rubber tube in sequence, the metering device at least comprises a connecting pipeline, a flow sensor, a temperature and pressure sensor, an alarm device, a man-machine interaction device, a power supply module and an MCU (microprogrammed control unit), the output end of the flow sensor and the output end of the temperature and pressure sensor are electrically connected with the input end of the MCU, the input end of the alarm device and the input end of the man-machine interaction device are electrically connected with the output end of the MCU, the MCU is used for calculating the residual gas amount in the gas cylinder according to data measured by the flow sensor and the temperature and pressure sensor and displaying the residual gas amount through the man-machine interaction device, and the alarm device is driven to give an alarm prompt based on preset control logic. The utility model can calculate the residual gas amount, monitor the gas using condition in real time, and remind the user to exchange gas through the display screen and the alarm device when the residual gas amount is lower than the warning line.
Description
Technical Field
The utility model relates to the technical field of fuel gas metering equipment, in particular to a small intelligent liquefied petroleum gas metering device.
Background
At present, the evaluation of the residual gas quantity by liquefied petroleum gas users is still simple and violent, and the main modes are observation of combustion conditions, statistics of service time or manual weighing of the weight of the gas cylinder. These conventional methods for evaluating the amount of residual gas cannot obtain an accurate result, which causes inconvenience to the use of liquefied petroleum gas by users and also damages the benefits of users to a certain extent.
In addition, the traditional scheme of weighing and metering the residual air quantity needs a weighing tool which is heavy and difficult to carry, and is inconvenient for dismounting the steel cylinder.
SUMMERY OF THE UTILITY MODEL
The utility model provides a small intelligent liquefied petroleum gas metering device, which aims to improve the gas metering precision, reduce the volume and the weight of metering equipment and realize the digitization of gas data and the intellectualization of gas shortage alarm. The device can monitor the use of liquefied petroleum gas in real time, and calculate the residual gas volume, when the residual gas volume falls below the warning line, remind the user to aerify and send information to the cloud platform.
The technical scheme adopted by the utility model for overcoming the technical problems is as follows:
the utility model provides a small-size intelligent liquefied petroleum gas metering device, loops through relief pressure valve and gas rubber tube between liquefied petroleum gas's the gas cylinder and the gas-cooker and be connected, metering device includes at least:
the shell is arranged between the pressure reducing valve and the gas rubber pipe;
the connecting pipeline is arranged in the shell, one end of the connecting pipeline is connected with an outlet of the pressure reducing valve, and the other end of the connecting pipeline is connected with an air inlet end of the gas rubber pipe;
a flow sensor disposed in the housing for measuring the flow of the air flowing through the connecting duct;
the temperature and pressure sensor is arranged in the shell and used for measuring the temperature and the pressure of the airflow flowing through the connecting pipeline;
the alarm device is arranged on the shell and used for sending out an alarm prompt;
the human-computer interaction device is arranged outside the shell and used for displaying the residual gas quantity in the gas bottle in real time;
the power supply module is arranged in the shell and is electrically connected with the flow sensor, the temperature and pressure sensor, the alarm device and the human-computer interaction device for supplying power to the flow sensor, the temperature and pressure sensor, the alarm device and the human-computer interaction device;
the gas bottle gas pressure monitoring device comprises an MCU main control unit arranged in a shell, wherein the output end of a flow sensor and the output end of a temperature and pressure sensor are electrically connected with the input end of the MCU main control unit, the input end of an alarm device and the input end of a human-computer interaction device are electrically connected with the output end of the MCU main control unit, the MCU main control unit is configured to be used for calculating the residual gas amount in a gas bottle according to data measured by the flow sensor and the temperature and pressure sensor and displaying the residual gas amount through the human-computer interaction device, and the MCU main control unit drives the alarm device to send an alarm prompt based on preset control logic.
Furthermore, the human-computer interaction device at least comprises a display screen, and the display screen adopts an LED display screen or an LCD display screen.
Furthermore, the metering device further comprises an NB-IoT module arranged in the shell, the power supply module is further electrically connected with the NB-IoT module and used for supplying power to the NB-IoT module, the input end of the NB-IoT module is electrically connected with the output end of the MCU main control unit, and the output end of the NB-IoT module is connected to the external safety management platform in a communication mode.
Further, the NB-IoT module at least comprises a GPS module used for acquiring the position information of the gas bottle.
Furthermore, one end of the connecting pipeline is in plug-in connection with an outlet of the pressure reducing valve, and the other end of the connecting pipeline is connected with an air inlet end of the gas rubber pipe through a quick connector.
Furthermore, the connecting pipeline is made of non-conductive materials.
The utility model has the beneficial effects that:
1. the utility model monitors the gas consumption condition in real time through the flow sensor and the temperature and pressure sensor, calculates the residual gas amount through the MCU main control unit, displays the residual gas amount in real time through the display screen, reminds the user to ventilate through the display screen and the alarm device when the residual gas amount is lower than a warning line, and notifies the low gas amount condition to an external safety management platform through the NB-IoT module. The device has high metering precision, small volume and weight and convenient disassembly and assembly.
2. The metering device can be widely applied to gas stations or liquefied petroleum gas operators, the gas stations or the liquefied petroleum gas operators can accurately predict the total gas consumption condition of the area through big data, the macro regulation and control of the operators are facilitated, the stay-in-stock condition of liquefied petroleum gas can be reduced, and the operation efficiency of the liquefied petroleum gas operators is integrally improved.
Drawings
Fig. 1 is a schematic diagram of a specific application of a small intelligent lpg metering device according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a small intelligent lpg metering device according to an embodiment of the present invention.
In the figure, the gas stove comprises a gas bottle 1, a gas stove 2, a gas stove 3, a pressure reducing valve 4, a gas rubber tube 5, a shell 6, a connecting pipeline 7, a flow sensor 8, a temperature and pressure sensor 9, an alarm device 10, a man-machine interaction device 11, a power supply module 12, an MCU (microprogrammed control unit) main control unit 13, an NB-IoT (NB-IoT) module 14, a threaded connector 15 and a pagoda-shaped quick connector.
Detailed Description
In order to facilitate a better understanding of the utility model for those skilled in the art, the utility model will be described in further detail with reference to the accompanying drawings and specific examples, which are given by way of illustration only and do not limit the scope of the utility model.
The embodiment discloses a small intelligent liquefied petroleum gas metering device, which is applied to small liquefied petroleum gas used in household or restaurant and other occasions, but is not limited to the application occasion, and can also be applied to other similar devices for measuring liquefied petroleum gas.
In the embodiment, as shown in fig. 1 and 2, a gas cylinder 1 of liquefied petroleum gas and a gas stove 2 are connected in sequence through a pressure reducing valve 3 and a gas rubber hose 4. The metering device disclosed in the embodiment at least comprises a shell 5, a connecting pipeline 6, a flow sensor 7, a temperature and pressure sensor 8, an alarm device 9, a human-computer interaction device 10, a power module 11 and an MCU (microprogrammed control unit) main control unit 12, wherein the connecting pipeline 6, the flow sensor 7, the temperature and pressure sensor 8, the power module 11 and the MCU main control unit 12 are all arranged in the shell 5, the alarm device 9 is arranged on the shell 5, and the human-computer interaction device 10 is arranged outside the shell 5.
In this embodiment, the housing 5 is disposed between the pressure reducing valve 3 and the gas hose 4, and is used to protect each component disposed in the housing. The connecting pipeline 6 is made of non-conductive materials to ensure safety, one end of the connecting pipeline 6 is in plug-in connection with an outlet of the pressure reducing valve 3, and specifically is in plug-in connection with a threaded connector 14; the other end of the connecting pipeline 6 is connected with the gas inlet end of the gas rubber pipe 4 through a quick connector, in particular a pagoda-shaped quick connector 15.
In this embodiment, the flow sensor 7 and the temperature and pressure sensor 8 are both micro sensors, and are preferably attached to the inner wall of the connecting pipe 6, the input end (i.e., the collecting end) of the flow sensor 7 and the input end (i.e., the collecting end) of the temperature and pressure sensor 8 can directly collect information of the airflow flowing through the connecting pipe 6, specifically, the flow sensor 7 is used for measuring the flow rate of the airflow flowing through the connecting pipe 6, and the temperature and pressure sensor 8 is used for measuring the temperature and pressure of the airflow flowing through the connecting pipe 6.
The alarm device 9 of the present embodiment is configured to issue an alarm prompt, and preferably, the alarm device includes an audio alarm and a light prompt. The man-machine interaction device 10 of the embodiment at least comprises a display screen, is used for displaying the residual gas quantity in the gas bottle 1 in real time and can also display a gas quantity warning value, so that a user can more visually see the residual gas quantity, air exchange preparation is made in advance, and the condition of delaying use due to gas shortage is avoided; in addition, the human-computer interaction device 10 may be additionally provided with related buttons or may be directly operated by touching on a display screen to perform the required human-computer interaction, such as checking related data and turning off an alarm prompt.
In this embodiment, the power module 11 is electrically connected to the flow sensor 7, the temperature and pressure sensor 8, the alarm device 9 and the human-computer interaction device 10, and is used for supplying power to the flow sensor 7, the temperature and pressure sensor 8, the alarm device 9 and the human-computer interaction device 10.
In this embodiment, the output end of the flow sensor 7 and the output end of the temperature and pressure sensor 8 are both electrically connected to the input end of the MCU main control unit 12, and the input end of the alarm device 9 and the input end of the human-computer interaction device 10 are both electrically connected to the output end of the MCU main control unit 12. The flow sensor 7 measures the flow of the airflow in the connecting pipeline 6 and transmits the flow to the MCU main control unit 12, the temperature and pressure sensor 8 measures the temperature and the pressure of the airflow flowing through the connecting pipeline 6 and transmits the temperature and the pressure to the MCU main control unit 12, the MCU main control unit 12 calculates the residual air quantity in the gas bottle 1 according to the obtained flow, temperature and pressure, then the residual air quantity is displayed in real time through the human-computer interaction device 10, when the calculated residual air quantity is lower than a warning line, a display screen can remind a user of ventilation, and the alarm device 9 is driven to give out an audible and visual alarm prompt to remind the user of ventilation.
As a preferable scheme, the metering device further includes an NB-IoT module 13 disposed in the housing 5, the power module 11 is further electrically connected to the NB-IoT module 13 for supplying power to the NB-IoT module, the NB-IoT module 13 at least includes a GPS module for acquiring location information of the gas bottle, an input end of the NB-IoT module 13 is electrically connected to an output end of the MCU main control unit 12, an output end of the NB-IoT module 13 is communicatively connected to an external security management platform, when the calculated remaining gas amount is lower than a warning line, the location information acquired by the GPS module and the liquid level petroleum gas shortage condition are sent to the security management platform through the NB-IoT module 13, and the security management platform receives the information and then performs further processing.
The foregoing merely illustrates the principles and preferred embodiments of the utility model and many variations and modifications may be made by those skilled in the art in light of the foregoing description, which are within the scope of the utility model.
Claims (6)
1. The utility model provides a small-size intelligent liquefied petroleum gas metering device, loops through relief pressure valve (3) and gas rubber tube (4) between liquefied petroleum gas's gas bottle (1) and gas-cooker (2) and is connected, its characterized in that, metering device includes at least:
the shell (5) is arranged between the pressure reducing valve (3) and the gas rubber pipe (4);
the connecting pipeline (6) is arranged in the shell, one end of the connecting pipeline is connected with an outlet of the pressure reducing valve (3), and the other end of the connecting pipeline is connected with an air inlet end of the gas rubber hose (4);
a flow sensor (7) arranged in the housing for measuring the flow of the air flowing through the connecting duct (6);
a temperature and pressure sensor (8) disposed in the housing for measuring the temperature and pressure of the air flowing through the connecting duct (6);
the alarm device (9) is arranged on the shell and used for sending out an alarm prompt;
the human-computer interaction device (10) is arranged outside the shell and used for displaying the residual gas quantity in the gas bottle in real time;
the power supply module (11) is arranged in the shell and is electrically connected with the flow sensor (7), the temperature and pressure sensor (8), the alarm device (9) and the human-computer interaction device (10) for supplying power to the flow sensor, the temperature and pressure sensor, the alarm device and the human-computer interaction device;
locate MCU main control unit (12) in the casing, the output of flow sensor (7) and the output of warm pressure sensor (8) all are connected with the input electricity of MCU main control unit (12), and the input of alarm device (9) and the input of human-computer interaction device (10) all are connected with the output electricity of MCU main control unit (12), MCU main control unit (12) are configured to be used for calculating the residual capacity in the gas bottle and show through human-computer interaction device (10) according to the data that flow sensor (7) and warm pressure sensor (8) measured, still send the warning suggestion based on predetermined control logic drive alarm device (9).
2. A small intelligent lpg metering device according to claim 1, characterized in that the human-computer interaction device (10) comprises at least a display screen.
3. The small intelligent liquefied petroleum gas metering device as claimed in claim 1 or 2, wherein the metering device further comprises an NB-IoT module (13) disposed in the housing (5), the power module (11) is further electrically connected with the NB-IoT module (13) for supplying power to the NB-IoT module, an input end of the NB-IoT module (13) is electrically connected with an output end of the MCU main control unit (12), and an output end of the NB-IoT module (13) is communicatively connected to an external security management platform.
4. The smart small liquefied petroleum gas metering device according to claim 3, wherein the NB-IoT module (13) comprises at least a GPS module for acquiring location information of the gas bottle.
5. The small intelligent liquefied petroleum gas metering device according to claim 1, wherein one end of the connecting pipe (6) is connected with the outlet of the pressure reducing valve (3) in an insertion manner, and the other end of the connecting pipe (6) is connected with the air inlet end of the gas rubber pipe (4) through a quick connector.
6. A small intelligent lpg metering device according to claim 1, characterised in that the connecting duct (6) is made of non-conductive material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122868557.5U CN216202403U (en) | 2021-11-22 | 2021-11-22 | Small-size intelligent liquefied petroleum gas metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122868557.5U CN216202403U (en) | 2021-11-22 | 2021-11-22 | Small-size intelligent liquefied petroleum gas metering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216202403U true CN216202403U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122868557.5U Active CN216202403U (en) | 2021-11-22 | 2021-11-22 | Small-size intelligent liquefied petroleum gas metering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216202403U (en) |
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2021
- 2021-11-22 CN CN202122868557.5U patent/CN216202403U/en active Active
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