CN216960084U - Multi-parameter measuring and remote monitoring equipment for movable tank - Google Patents
Multi-parameter measuring and remote monitoring equipment for movable tank Download PDFInfo
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- CN216960084U CN216960084U CN202220738113.1U CN202220738113U CN216960084U CN 216960084 U CN216960084 U CN 216960084U CN 202220738113 U CN202220738113 U CN 202220738113U CN 216960084 U CN216960084 U CN 216960084U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model discloses a multi-parameter measuring and remote monitoring device for a movable tank, which comprises a pressure sensor, a temperature sensor, a liquid level sensor, a composite transmitter, a positioning communicator and a remote server, wherein the composite transmitter is internally provided with a signal processing circuit, a first single chip microcomputer and an LCD (liquid crystal display), and pressure signals, temperature signals and liquid level signals are collected through the signal processing circuit, converted into digital quantity through the first single chip microcomputer and then output to the LCD for display. The composite transmitter and the positioning communicator are connected by a serial interface UART, and the positioning communicator receives the measurement data sent by the composite transmitter and forwards the measurement data to a remote server to realize remote monitoring and positioning of the data. The utility model can conveniently measure and display physical parameters such as medium liquid level, pressure, temperature and the like in the tank, and can realize the function of remote data monitoring in the global range through the positioning communicator and the remote server.
Description
Technical Field
The utility model relates to the technical field of communication, in particular to a multi-parameter measuring and remote monitoring device for a movable tank.
Background
Low-temperature cryogenic media such as liquefied natural gas, liquid nitrogen, liquid oxygen and the like are widely applied to the fields of industrial energy, chemical engineering and the like. The substance belongs to flammable and explosive dangerous chemical substances, and the manufacturers, operators and related safety departments need to measure and remotely monitor physical parameters such as the position of a container, the liquid level of a medium in the container, the pressure, the temperature and the like during transportation and storage.
The tank box of the mobile type can move around the world, remote monitoring can be realized by using 4G communication in a mobile cellular network covered place, but remote data monitoring can be carried out only by directly or indirectly using a maritime satellite in ocean transportation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a multi-parameter measuring and remote monitoring device for a movable tank, which is used for solving the problems in the prior art, can measure and display physical parameters such as medium liquid level, pressure, temperature and the like in the tank on site, and can realize a global data remote monitoring function by communicating with a positioning communicator, a remote server and a LoRa gateway.
In order to achieve the purpose, the utility model provides the following technical scheme:
portable jar is multi-parameter measurement and remote monitoring equipment for case, including pressure sensor, temperature sensor, level sensor, compound changer, location communicator and remote server, set up signal processing circuit, first singlechip and LCD display in the compound changer, through signal processing circuit gathers pressure signal, temperature signal and liquid level signal, process first singlechip converts the digital quantity into, exports again to the LCD display shows.
The composite transmitter and the positioning communicator are connected by a serial interface UART, and the positioning communicator receives the measurement data sent by the composite transmitter and forwards the measurement data to a remote server to realize remote monitoring and positioning of the data.
Further, the pressure sensor is arranged on a pipeline in the tank pipeline bin to monitor the pipeline pressure. Generally, a pressure sensor signal is equivalent to a resistance bridge circuit, and the resistance of a bridge arm of a branch is larger when the pressure is higher.
The temperature sensor adopts a PT1000 resistor, is arranged in the tank box and is in contact with a medium in the tank box. The resistance is temperature dependent, with higher temperatures giving higher resistance values. In the field of low-temperature deep cooling, the lowest temperature value of-196 ℃ can be measured.
The liquid level sensor adopts a differential pressure type liquid level sensor or a capacitance type liquid level sensor, and the differential pressure type liquid level sensor calculates the liquid level height by measuring the pressure difference between gas phase and liquid phase in the tank and combining with the medium density. The capacitance type liquid level sensor is arranged in the tank box at the initial production stage of the tank box, outputs a capacitance signal, and the size of the output capacitance is in direct proportion to the height of a medium filled between two polar plates of the capacitance.
Further, compound changer still integrateed a MEMS accelerometer for the motion state of monitoring tank, MEMS accelerometer with adopt SPI interface connection between the first singlechip. When the tank is toppled or severely impacted, the MEMS accelerometer can awaken the first single chip microcomputer to acquire acceleration data and trigger the positioning communicator to communicate.
The principle of the composite transmitter is as follows: the liquid level, temperature and pressure signals are firstly accessed into the signal processing circuit, analog voltage signals are output after amplification and filtering, the analog voltage signals enter the first single chip microcomputer and are AD converted into digital quantities, and the first single chip microcomputer calculates physical quantities of actual dimensions and then outputs the physical quantities to the LCD for displaying.
Furthermore, the composite transmitter and the positioning communicator are in a sleep state most of the time, the composite transmitter can trigger the positioning communicator to communicate at regular time through the UART, and when the monitored physical parameters give an alarm, the composite transmitter can also trigger the positioning communicator to communicate.
The composite transmitter collects liquid level, pressure and temperature signals and displays the signals on site, and the composite transmitter also has a motion monitoring function.
The hardware and the program of the composite transmitter are designed in a low power consumption mode, the first single chip microcomputer is awakened periodically, signals are collected and LCD display is refreshed, and the composite transmitter is in a sleep mode most of the time. The composite transmitter can continuously work for more than five years by using a single-core ER34615 battery for power supply.
Further, the location communicator includes second singlechip, GNSS orientation module, LTE communication module, loRa communication module and corresponding GNSS antenna, LTE antenna, loRa antenna group.
The second singlechip with adopt serial interface UART to connect between the GNSS orientation module, adopt serial interface UART to connect between second singlechip and the LTE communication module, adopt SPI interface connection between second singlechip and the loRa communication module.
Preferably, the GNSS positioning module and the second single chip microcomputer are connected through a UART (universal asynchronous receiver/transmitter) serial interface, and the GNSS positioning module supports GPS, BD, GLONASS and other satellite positioning navigation systems, so that the global positioning requirement of the tank box is met. The LTE communication module and the second singlechip are connected by adopting a serial interface UART, 4G signals are used for communicating with a remote server in a place covered by a mobile cellular network base station, and a corresponding SIM card supports global roaming. Use the SPI interface between second singlechip and the loRa communication module, when the tank carries out ocean transportation, the location communicator uses the loRa network to communicate, with sensor measurement data transmission to the loRa gateway, gateway connection to marine wireless local area network, further indirect use marine satellite sends tank monitoring data to remote server.
Compared with the prior art, the utility model has the beneficial effects that: the utility model uses the independent design scheme of the sensor, the composite transmitter and the positioning communicator to realize the multi-parameter measurement and remote monitoring equipment for the global operation tank, and each component has high clustering and low coupling and is convenient for production and after-sale maintenance. The positioning communicator adopts the scheme of the built-in antenna, three radio frequency cables are avoided, the transmission loss of wireless signals is reduced, and meanwhile, the corrosion of a salt fog humid environment to a traditional antenna interface is also avoided. Compared with the traditional composite transmitter with the wireless communication function, the utility model realizes the data monitoring without dead angles in the whole world, and has the advantages of simple installation and maintenance, adaptation to marine environment and the like.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic block diagram of the composite transmitter of the present invention.
Fig. 3 is a functional block diagram of a positioning communicator of the present invention.
In the figure: 1. liquid level sensor, 2, pressure sensor, 3, temperature sensor, 4, compound changer, 41, MEMS accelerometer, 5, location communicator, 6, signal processing circuit, 7, singlechip, 8, LCD display, 9, battery, 10, remote server, 11, singlechip, 12, GNSS orientation module, 13, LTE communication module, 14, loRa communication module, 121, GNSS antenna, 131, LTE antenna, 141, loRa antenna.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution:
portable multi-parameter measurement and remote monitoring equipment for tank, including pressure sensor 2, temperature sensor 3, level sensor 1, compound changer 4, location communicator 5 and remote server 10, set up signal processing circuit 6, singlechip 7 and LCD display 8 in the compound changer 4, through signal processing circuit 6 gathers pressure signal, temperature signal and liquid level signal, converts the digital quantity into through singlechip 7, exports again extremely LCD display 8 shows.
The composite transmitter 4 and the positioning communicator 5 are connected by a serial interface UART, and the positioning communicator 5 receives the measurement data sent by the composite transmitter 4 and forwards the measurement data to the remote server 10 to realize remote monitoring and positioning of the data.
The compound transmitter 4 is further integrated with an MEMS accelerometer 41 for monitoring the motion state of the tank, and the MEMS accelerometer 41 is connected with the single chip microcomputer 7 through an SPI interface. When the tank is toppled or severely impacted, the MEMS accelerometer 41 can wake up the singlechip 7 to acquire acceleration data and trigger the positioning communicator 5 to communicate.
The principle of the composite transmitter 4 is as follows: the liquid level, temperature and pressure signals are firstly accessed into the signal processing circuit, analog voltage signals are output after amplification and filtration, the analog voltage signals enter the singlechip 7 to be AD converted into digital quantity, and the singlechip 7 calculates physical quantity of actual dimension and then outputs the physical quantity to the LCD 8 for display.
The composite transmitter 4 and the positioning communicator 5 are in a sleep state most of the time, the composite transmitter 4 can trigger the positioning communicator 5 to communicate through the UART, and when the monitored physical parameters give an alarm, the composite transmitter 4 can trigger the positioning communicator 5 to communicate. The composite transmitter 4 collects liquid level, pressure and temperature signals and displays the signals on site, and the composite transmitter 4 also has a motion monitoring function.
Further, the pressure sensor 2 is installed on a pipeline in the tank pipeline bin to monitor pipeline pressure. Generally, a pressure sensor signal is equivalent to a resistance bridge circuit, and the resistance of a bridge arm of a branch is larger when the pressure is higher.
The temperature sensor 3 is a PT1000 resistor, is arranged in the tank and is in contact with a medium in the tank. The resistance is temperature dependent, with higher temperatures giving higher resistance values. In the field of low-temperature deep cooling, the lowest temperature value of-196 ℃ can be measured.
The liquid level sensor 1 adopts a differential pressure type liquid level sensor or a capacitance type liquid level sensor, and the differential pressure type liquid level sensor calculates the liquid level height by measuring the pressure difference between gas phase and liquid phase in a tank box and combining with the medium density. The capacitance type liquid level sensor is arranged in the tank box at the initial stage of production of the tank box, outputs capacitance signals, and the size of the output capacitance is in direct proportion to the height of a medium filled between two polar plates of the capacitance.
The positioning communicator 5 comprises a single chip microcomputer 11, a GNSS positioning module 12, an LTE communication module 13, an LoRa communication module 14, and corresponding GNSS antenna 121, LTE antenna 131, and LoRa antenna 141.
The single-chip microcomputer 11 and the GNSS positioning module 12 are connected through a serial interface UART, the single-chip microcomputer 11 and the LTE communication module 13 are connected through the serial interface UART, and the single-chip microcomputer 11 and the LoRa communication module 14 are connected through an SPI.
The GNSS positioning module 12 and the single chip microcomputer 11 are connected through a UART (universal asynchronous receiver/transmitter) serial interface, and the GNSS positioning module 12 supports GPS, BD, GLONASS and other satellite positioning navigation systems, so that the global positioning requirement of the tank box is met. The LTE communication module 13 and the single chip microcomputer 11 are connected by adopting a serial interface UART, 4G signals are used for communicating with a remote server at a place covered by a mobile cellular network base station, and a corresponding SIM card supports global roaming. Use the SPI interface between singlechip 11 and the loRa communication module 14, when the tank carries out ocean transportation, location communicator 5 uses the loRa network to communicate, with sensor measurement data transmission to the loRa gateway, the gateway is connected to marine wireless local area network, further indirect use marine satellite sends tank monitoring data to remote server 10.
The positioning communicator 5 is bound and installed on a cross beam at the top of the tank pipeline bin, can receive GNSS, LTE and LoRa wireless signals without shielding, and avoids corrosion of an antenna interface caused by an ocean salt fog humid environment by using a scheme of a built-in antenna. A plastic five-core aircraft plug connector is used to connect to the composite transmitter 4 through a serial interface UART. Due to the impulse current with larger amplitude in the LTE communication, the positioning communicator 5 is powered by a four-core ER34615 parallel connection mode. The positioning communicator 5 defaults to communication using LTE, scans the LoRa network at a predetermined cycle, and automatically switches to LoRa communication when a valid LoRa network is found. In addition, the positioning communicator 5 performs GNSS positioning at a predetermined cycle, and when tank sensor data is transmitted, the latest position data is also packaged and transmitted to the remote server 10.
The utility model realizes multi-parameter measurement and remote monitoring equipment suitable for a global operation tank box, the equipment can measure and display physical parameters such as medium liquid level, pressure, temperature and the like in the tank box on site, and can communicate with a remote server 10 and a LoRa gateway through a positioning communicator 5 to realize a global data remote monitoring function.
And each component has high clustering and low coupling, thereby being convenient for production and after-sale maintenance. The use of three radio frequency cables is avoided, the transmission loss of wireless signals is reduced, and meanwhile, the corrosion of a salt mist humid environment to a traditional antenna interface is also avoided. Compared with the traditional structure, the utility model realizes the global data monitoring without dead angles, and has the advantages of simple installation and maintenance, adaptability to marine environment and the like.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The multi-parameter measuring and remote monitoring equipment for the movable tank box is characterized by comprising a pressure sensor, a temperature sensor, a liquid level sensor, a composite transmitter, a positioning communicator and a remote server, wherein the composite transmitter is internally provided with a signal processing circuit, a first single chip microcomputer and an LCD (liquid crystal display), and is used for acquiring a pressure signal, a temperature signal and a liquid level signal through the signal processing circuit, converting the pressure signal, the temperature signal and the liquid level signal into digital quantity through the first single chip microcomputer and outputting the digital quantity to the LCD for display;
the composite transmitter and the positioning communicator are connected by a serial interface UART, and the positioning communicator receives the measurement data sent by the composite transmitter and forwards the measurement data to a remote server to realize remote monitoring and positioning of the data.
2. The multi-parameter measurement and remote monitoring device for a mobile tank of claim 1, wherein: the pressure sensor is arranged on a pipeline in the tank pipeline bin and used for monitoring the pipeline pressure.
3. The multi-parameter measurement and remote monitoring device for a mobile tank of claim 1, wherein: the temperature sensor adopts a PT1000 resistor, is arranged in the tank box and is in contact with a medium in the tank box.
4. The multi-parameter measurement and remote monitoring apparatus for a mobile tank of claim 1, wherein the level sensor is a differential pressure level sensor or a capacitive level sensor.
5. The multi-parameter measurement and remote monitoring device for the mobile tank of claim 1, wherein the composite transmitter further integrates a MEMS accelerometer for monitoring the motion state of the tank, and the MEMS accelerometer is connected to the first single chip via an SPI interface.
6. The multi-parameter measurement and remote monitoring device for the mobile tank as claimed in claim 1, wherein the positioning communicator comprises a second single chip microcomputer, a GNSS positioning module, an LTE communication module, an LoRa communication module, and a corresponding GNSS antenna, LTE antenna and LoRa antenna.
7. The multi-parameter measurement and remote monitoring device for the mobile tank as claimed in claim 6, wherein the second single chip microcomputer is connected with the GNSS positioning module through a serial interface UART, the second single chip microcomputer is connected with the LTE communication module through a serial interface UART, and the second single chip microcomputer is connected with the LoRa communication module through an SPI interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220738113.1U CN216960084U (en) | 2022-03-30 | 2022-03-30 | Multi-parameter measuring and remote monitoring equipment for movable tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220738113.1U CN216960084U (en) | 2022-03-30 | 2022-03-30 | Multi-parameter measuring and remote monitoring equipment for movable tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216960084U true CN216960084U (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220738113.1U Active CN216960084U (en) | 2022-03-30 | 2022-03-30 | Multi-parameter measuring and remote monitoring equipment for movable tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216960084U (en) |
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2022
- 2022-03-30 CN CN202220738113.1U patent/CN216960084U/en active Active
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