CN220303432U - Vehicle gas cylinder filling supervision system applied to high-pressure environment - Google Patents
Vehicle gas cylinder filling supervision system applied to high-pressure environment Download PDFInfo
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- CN220303432U CN220303432U CN202321659568.5U CN202321659568U CN220303432U CN 220303432 U CN220303432 U CN 220303432U CN 202321659568 U CN202321659568 U CN 202321659568U CN 220303432 U CN220303432 U CN 220303432U
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- electromagnetic valve
- filling
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- 238000004891 communication Methods 0.000 claims abstract description 21
- 238000012544 monitoring process Methods 0.000 claims abstract description 17
- 238000002955 isolation Methods 0.000 claims description 3
- 238000004880 explosion Methods 0.000 abstract description 4
- 230000002159 abnormal effect Effects 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 230000000246 remedial effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 75
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model relates to the technical field of fluid metering measurement and control, in particular to a vehicle gas cylinder filling supervision system applied to a high-pressure environment, which comprises a server and a plurality of gas filling terminals. In this scheme, the gas filling terminal gathers inside gas pressure signal and the gas cylinder pressure signal of pressure line through pressure sensor and gas cylinder monitoring module, according to the pressure size in gas cylinder and the pipeline, the solenoid valve that the switching corresponds can be selected to the controller to the guarantee gas cylinder can not be excessively inflated or explosion. The collected gas pressure signal, the gas cylinder pressure signal and the electromagnetic valve set opening and closing signal sent by the controller are transmitted to the server through the communication module, so that a user can monitor the gas filling condition of the gas filling machine in real time, and remedial measures can be taken in time when the gas filling is abnormal.
Description
Technical Field
The utility model relates to the technical field of fluid metering measurement and control, in particular to a vehicle gas cylinder filling supervision system applied to a high-pressure environment.
Background
CNG vehicles refer to automobiles that use Compressed Natural Gas (CNG) as fuel, which are more environmentally friendly, economical and safe than fuel vehicles. However, the gas cylinder of the CNG vehicle needs to be in a high-pressure environment (CNN high-pressure environment) during the filling process, and under such an environment, the pressure inside the gas cylinder can be up to 200-300 times of the atmospheric pressure, and if the filling operation is incorrect or mechanical equipment is in a problem during the filling process, the safety accident of the gas cylinder explosion may be caused. Therefore, it is necessary to precisely control the flow and pressure of the gas during inflation and deflation to ensure that the gas cylinder does not over-inflate or explode.
Disclosure of Invention
The technical problem of the utility model is that the flow and pressure of the gas need to be precisely controlled in the process of inflation and deflation, thereby ensuring that the gas cylinder cannot be excessively inflated or exploded.
The basic scheme provided by the utility model is as follows: the vehicle gas cylinder filling supervision system comprises a server and a plurality of gas filling terminals, wherein the gas filling terminals comprise a controller, a communication module, an electromagnetic valve group, a gas cylinder monitoring module, a pressure sensor and a gas filling gun, and the controller is electrically connected with the communication module, the electromagnetic valve group, the gas cylinder monitoring module and the pressure sensor;
the electromagnetic valve group is communicated with the gas filling gun through a pressure pipeline, the pressure sensor is used for detecting a gas pressure signal in the pressure pipeline, and the gas cylinder monitoring module is used for detecting a gas cylinder pressure signal; the controller is used for controlling the opening and closing of the electromagnetic valve group according to the gas cylinder pressure signal and the gas pressure signal; the communication module is used for transmitting the electromagnetic valve set opening and closing signals, the acquired gas cylinder pressure signals and the acquired gas pressure signals to the server.
The principle and the advantages of the utility model are as follows: in this scheme, through pressure sensor and gas cylinder monitoring module collection pressure pipeline inside gas pressure signal and gas cylinder pressure signal, according to the pressure size in gas cylinder and the pipeline, the solenoid valve that the switching corresponds can be selected to the controller to the guarantee gas cylinder can not be excessively inflated or explosion. The collected gas pressure signal, the gas cylinder pressure signal and the electromagnetic valve set opening and closing signal sent by the controller are transmitted to the server through the communication module, so that a user can monitor the gas filling condition of the gas filling machine in real time, and remedial measures can be taken in time when the gas filling is abnormal.
Further, the electromagnetic valve group comprises a low-pressure electromagnetic valve, a medium-pressure electromagnetic valve and a high-pressure electromagnetic valve.
The beneficial effects are that: the controller can select the opening and closing of the low-pressure electromagnetic valve, the medium-pressure electromagnetic valve or the high-pressure electromagnetic valve according to the pressure signal of the gas cylinder, so that the gas pressure in the pressure pipeline is regulated, and the gas pressure in the pressure pipeline exceeds the pressure of the gas cylinder too much, so that the gas cylinder is ensured not to be excessively inflated or exploded.
Further, the pressure line is also provided with a meter, which is electrically connected with the controller.
The beneficial effects are that: the gas flow data in the pressure pipeline is detected through the gauge, so that the inflation quantity can be calculated conveniently.
Further, the pressure pipeline is also provided with a temperature sensor, and the control module is also used for transmitting the acquired temperature signals to the server through the communication module.
The beneficial effects are that: the temperature data in the pressure pipeline is collected, explosion accidents are caused by the fact that the temperature of gas in the pressure pipeline is too high, and safety of equipment is improved.
Further, the gas cylinder monitoring system further comprises a timer, and the control module is further used for controlling the data acquisition frequency of the gas cylinder monitoring module and the pressure sensor according to the timer signal.
The beneficial effects are that: the data acquisition frequency of the gas cylinder monitoring module and the pressure sensor is controlled through the timer signal, so that the condition that the detection frequency is too high and the acquired invalid data is too much is avoided.
Further, the communication module adopts a 5G communication module.
Further, the mobile terminal is connected with the server in a wireless mode.
The beneficial effects are that: the mobile terminal is arranged, so that a user can still monitor the gas filling condition of the gas dispenser in real time when going out.
Further, the air-entrapping terminal further comprises a shell, wherein the shell comprises an upper shell and a lower shell, an explosion-proof isolation layer is transversely arranged between the upper shell and the lower shell, an explosion-proof box is arranged in the upper shell, and the controller is fixedly arranged in the explosion-proof box; the electromagnetic valve group and the pressure pipeline are arranged in the lower shell, and the pressure pipeline penetrates through the shell and is communicated with the air filling gun.
Drawings
Fig. 1 is a logic block diagram of an embodiment of a vehicle cylinder filling supervision system applied to a high-pressure environment according to the present utility model.
Fig. 2 is a schematic structural diagram of an embodiment of a vehicle gas cylinder filling monitoring system applied to a high-pressure environment.
Detailed Description
The following is a further detailed description of the embodiments:
the labels in the drawings of this specification include: the device comprises a controller 1, a communication module 2, a high-pressure solenoid valve 3, a medium-pressure solenoid valve 4, a low-pressure solenoid valve 5, a meter 6, an air filling gun 7, a control line 8, a pressure pipeline 9 and a shell 10.
The specific implementation process is as follows:
example 1
An embodiment is basically as shown in fig. 1, and the vehicle gas cylinder filling supervision system applied to a high-pressure environment comprises a server, a mobile terminal and a plurality of gas filling terminals, wherein the mobile terminal and the gas filling terminals are both in wireless connection with the server.
The air filling terminal comprises a controller 1, a communication module 2, an electromagnetic valve group, a gas cylinder monitoring module, a pressure sensor, a temperature sensor, a meter 6, a timer, an air filling gun 7 and a shell 10. The controller 1 in this embodiment adopts a singlechip, the model of which is HQHOP-b.jqjzb.v3.24-CB, and the communication module 2, the electromagnetic valve group, the gas cylinder monitoring module, the pressure sensor, the temperature sensor, the meter 6 and the timer are all electrically connected with the controller 1.
Specifically, as shown in fig. 2, two groups of electromagnetic valve groups and two groups of air-filling guns 7 are respectively arranged in the embodiment, and the electromagnetic valve groups are communicated with the air-filling guns 7 through pressure pipelines 9. The electromagnetic valve group comprises a low-pressure electromagnetic valve 5, a medium-pressure electromagnetic valve 4 and a high-pressure electromagnetic valve 3, and the electromagnetic valve group controls the opening and closing of the low-pressure electromagnetic valve 5, the medium-pressure electromagnetic valve 4 and the high-pressure electromagnetic valve 3 according to electromagnetic valve group opening and closing signals sent by the controller 1.
The pressure sensor in this embodiment is disposed in the pressure pipeline 9, and the pressure sensor is a farmitt RLL-2088 dispenser pressure sensor, and is configured to output an analog signal of 2-20mA, that is, a gas pressure signal, according to the gas pressure in the pressure pipeline 9. The pressure sensor transmits a gas pressure signal to the control module.
The gas cylinder monitoring module adopts a wireless pressure sensor MD-S278 for detecting a gas cylinder pressure signal, the acquired analog signal is wirelessly transmitted to the controller 1, when the controller 1 receives the gas pressure signal and the gas cylinder pressure signal, the controller 1 converts the gas pressure signal and the gas cylinder pressure signal from the analog signal into a corresponding gas digital pressure signal and a corresponding gas digital pressure signal, then the controller 1 judges that the gas pressure is larger than the gas cylinder pressure and is the electromagnetic valve where a pressure pipeline closest to the gas cylinder pressure is located, an electromagnetic valve group opening and closing signal is sent to an electromagnetic valve group, and after the electromagnetic valve group opening and closing signal is received, the electromagnetic valve group is opened and other electromagnetic valves are closed. Specifically, in this embodiment, the maximum fixed pressure of the air inlet pipe of the low-pressure electromagnetic valve 5 is 19MPa, the maximum fixed pressure of the air inlet pipe of the medium-pressure electromagnetic valve 4 is 20MPa, the maximum fixed pressure of the air inlet pipe of the high-pressure electromagnetic valve 3 is 21MPa, when the pressure of the gas cylinder reaches the gas pressure of the pressure pipeline 9 of the current electromagnetic valve, the controller 1 sends an electromagnetic valve opening and closing signal to the electromagnetic valve group to close the electromagnetic valve and opens the electromagnetic valve with higher pressure for inflation, and if the electromagnetic valve with higher pressure is not present, the controller 1 sends an electromagnetic valve opening and closing signal to close all the electromagnetic valves.
The temperature sensor in the embodiment adopts an FST600-205 explosion-proof temperature transmitter for outputting an analog signal of 2-20mA, namely a temperature signal according to the temperature of the gas in the pressure pipeline 9. After the temperature signal that temperature sensor gathered is transmitted to controller 1, controller 1 passes through communication module 2 with temperature signal, gas pressure signal, gas cylinder pressure signal and solenoid valve group switching signal transmission to the server, and communication module 2 in this embodiment adopts 5G communication module 2, and mobile terminal adopts the smart mobile phone, and the user can obtain the real-time gas filling condition of air entrainment machine through smart mobile phone connection server. Through internet of things and sensors, the state of the gas cylinder and the state of the gas filling equipment can be monitored and managed in real time, and the automatic control and recording of the gas filling and discharging processes can be realized, so that the efficiency and safety of management and supervision are improved.
The timer in this embodiment adopts 555 timers, and control module is used for controlling the data acquisition frequency of gas cylinder monitoring module, pressure sensor and temperature sensor according to the timer signal, avoids detecting the too high condition of invalid data of collection, and the data acquisition frequency in this embodiment is 3 seconds once.
In addition, the casing 10 in the present embodiment includes an upper casing 10 and a lower casing 10, an explosion-proof isolation layer is transversely disposed between the upper casing 10 and the lower casing 10, an explosion-proof box is disposed in the upper casing 10, the controller 1 is fixedly disposed in the explosion-proof box, and the communication module 2 is fixedly disposed on the surface of the upper casing 10; the electromagnetic valve group and the pressure pipeline 9 are arranged in the lower shell 10, the electromagnetic valve group is electrically connected with the controller 1 through a control line 8 penetrating through the explosion-proof interlayer, and the pressure pipeline 9 penetrates through the shell 10 and is communicated with the air gun 7.
The foregoing is merely exemplary of the present utility model, and the specific structures and features well known in the art are not described in any way herein, so that those skilled in the art will be able to ascertain all prior art in the field, and will not be able to ascertain any prior art to which this utility model pertains, without the general knowledge of the skilled person in the field, before the application date or the priority date, to practice the present utility model, with the ability of these skilled persons to perfect and practice this utility model, with the help of the teachings of this application, with some typical known structures or methods not being the obstacle to the practice of this application by those skilled in the art. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (8)
1. The utility model provides a be applied to automobile-used gas cylinder filling supervisory systems of high pressure environment, includes server and a plurality of air entrainment terminal, its characterized in that: the air filling terminal comprises a controller, a communication module, an electromagnetic valve group, an air bottle monitoring module, a pressure sensor and an air filling gun, wherein the controller is electrically connected with the communication module, the electromagnetic valve group, the air bottle monitoring module and the pressure sensor;
the electromagnetic valve group is communicated with the gas filling gun through a pressure pipeline, the pressure sensor is used for detecting a gas pressure signal in the pressure pipeline, and the gas cylinder monitoring module is used for detecting a gas cylinder pressure signal; the controller is used for controlling the opening and closing of the electromagnetic valve group according to the gas cylinder pressure signal and the gas pressure signal; the communication module is used for transmitting the electromagnetic valve set opening and closing signals, the acquired gas cylinder pressure signals and the acquired gas pressure signals to the server.
2. The vehicle gas cylinder filling supervision system applied to a high-pressure environment according to claim 1, wherein: the electromagnetic valve group comprises a low-pressure electromagnetic valve, a medium-pressure electromagnetic valve and a high-pressure electromagnetic valve.
3. A vehicular gas cylinder filling supervision system applied to a high-pressure environment according to claim 2, wherein: the pressure line is also provided with a meter, which is electrically connected with the controller.
4. A vehicular gas cylinder filling supervision system applied to a high-pressure environment according to claim 3, wherein: the pressure pipeline is also provided with a temperature sensor, and the controller is also used for transmitting the acquired temperature signals to the server through the communication module.
5. The vehicle gas cylinder filling supervision system applied to a high-pressure environment according to claim 4, wherein: the controller is also used for controlling the data acquisition frequency of the gas cylinder monitoring module and the pressure sensor according to the timer signal.
6. The vehicle gas cylinder filling supervision system applied to a high-pressure environment according to claim 5, wherein: the communication module adopts a 5G communication module.
7. The vehicle gas cylinder filling supervision system applied to a high-pressure environment according to claim 6, wherein: the mobile terminal is connected with the server in a wireless mode.
8. The vehicle gas cylinder filling supervision system applied to a high-pressure environment according to claim 7, wherein: the air-entrapping terminal further comprises a shell, wherein the shell comprises an upper shell and a lower shell, an explosion-proof isolation layer is transversely arranged between the upper shell and the lower shell, an explosion-proof box is arranged in the upper shell, and the controller is fixedly arranged in the explosion-proof box; the electromagnetic valve group and the pressure pipeline are arranged in the lower shell, and the pressure pipeline penetrates through the shell and is communicated with the air filling gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321659568.5U CN220303432U (en) | 2023-06-27 | 2023-06-27 | Vehicle gas cylinder filling supervision system applied to high-pressure environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321659568.5U CN220303432U (en) | 2023-06-27 | 2023-06-27 | Vehicle gas cylinder filling supervision system applied to high-pressure environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220303432U true CN220303432U (en) | 2024-01-05 |
Family
ID=89350496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321659568.5U Active CN220303432U (en) | 2023-06-27 | 2023-06-27 | Vehicle gas cylinder filling supervision system applied to high-pressure environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220303432U (en) |
-
2023
- 2023-06-27 CN CN202321659568.5U patent/CN220303432U/en active Active
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