CN102957170A - Gas Internet of Things intelligent monitoring terminal - Google Patents

Abstract

The present invention discloses a gas Internet of Things intelligent monitoring terminal, which is characterized by comprising: three circuit components, namely, a battery power supply circuit, a data acquisition circuit, and a data communication circuit. The battery is equipped with an intelligent charging controller to provide a stable current for charging the current; the data acquisition circuit uses a low-power CPU as the core, and collects the parameters of pressure, temperature, and liquid level sensors through a standard 4-20mA circuit interface, and collects the parameters of the sensors through a serial bus, analyzes the data and stores them in a storage unit; the data communication circuit encapsulates the acquired sensor parameters and position information into a data packet and sends it to a host computer. The terminal has good versatility, high integration, convenient battery power supply, and a wide range of applications. In addition, due to its simple structure, it is not only easy to produce, but also low in cost and suitable for wide promotion.

Description

Gas Internet of Things intelligent monitoring terminal

technical field

The invention relates to an intelligent monitoring terminal of gas Internet of Things.

Background technique

Conduct technical research on products with good application status at present, and conduct research on CIMC Intelligent products as representatives, and find that:

1. The power supply scheme of its terminal products is not perfect, and it can only be powered by automobiles, which will mean that the application of the products has limitations. The real-time power supply problem of the tank.

2. The functions of its products are not perfect enough, and the scalability is not good.

3. The installation of the product is scattered and the integration degree is not high, which increases the possibility of interference.

4. The applicable field of the product is narrow, and it can only be used in areas with good environment, and cannot cope with harsh environments.

Contents of the invention

In view of the above problems, the present invention develops an intelligent monitoring terminal for gas Internet of Things. The technical means adopted in the present invention are as follows:

A gas Internet of Things intelligent monitoring terminal is characterized in that it comprises:

The circuit is composed of three parts, which are battery power supply circuit, data acquisition circuit, data communication circuit, battery storage battery, equipped with an intelligent charging controller, which provides a stable current to charge the current;

The data acquisition circuit takes the low-power CPU as the core, collects the parameters of the pressure, temperature and liquid level sensors through the standard 4-20mA circuit interface, and at the same time collects the parameters of the sensors through the serial bus, analyzes the data and stores them in the storage in the unit;

The data communication set circuit encapsulates the acquired sensor parameters and position information into data packets and sends them to the host computer.

The data acquisition circuit mainly includes: temperature and pressure sensors.

The sensor adopts a sensor with electrical signal output and meets the explosion-proof standard, and each interface of the circuit adopts perfect electromagnetic protection measures to ensure safety and reliability.

Compared with the prior art, the advantages of the present invention are obvious, specifically as follows: good versatility, high integration, convenient use of battery power supply, and wide application range. In addition, because of its simple structure, it is not only convenient for production, but also low in cost and suitable for wide popularization.

Description of drawings

The present invention has a pair of accompanying drawings:

Fig. 1 is a structural schematic diagram of the present invention.

Detailed ways

As shown in Figure 1, the terminal is composed of three parts of the circuit, which are battery power supply circuit, data acquisition circuit (mainly including: temperature, pressure sensor), data communication circuit, battery storage battery, equipped with intelligent charging controller, providing Stable current charges current;

The data acquisition takes the low-power CPU as the core, collects the parameters of the pressure, temperature and liquid level sensors through the standard 4-20mA circuit interface, and collects the parameters of the sensors through the serial bus at the same time, analyzes the data and stores them in the storage unit Middle; the data communication set circuit encapsulates the obtained sensor parameters and position information into a data packet and sends it to the host computer (ie, the server of the monitoring center). And it has communication encryption and perfect data transmission mechanism. Each sensor adopts a sensor with electrical signal output and meets the explosion-proof standard, and each interface of the circuit adopts perfect electromagnetic protection measures to ensure safety and reliability.

The terminal has a complete power supply solution. It realizes the switch between sleep, standby and working modes through vibration detection or remote wake-up mode. When the carrier movement is detected, it starts to collect the parameters of various sensors, and intelligently analyzes, stores and alarms the parameters. and so on.

This product is based on the idea of solving the informatization strategy of PetroChina Kunlun Gas on flow and flow direction, and designs a monitoring terminal that meets the relevant standards of road transportation and hazardous chemical transportation to provide safe and reliable monitoring services for the gas industry chain and ensure the logistics of the gas industry Visualization and informationization of transportation.

The design of this product involves applications in fields such as safety monitoring, cleaning and environmental protection, and intelligent control. It can also be applied in fields such as intelligent transportation, intelligent scheduling, and intelligent control. In terms of operation mode, it also involves safety management, financial transactions, and operation and maintenance. service etc.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (3)

1. combustion gas Internet of Things intelligent monitoring terminal is characterized in that comprising:

Three partial circuits form, and are respectively battery electricity power supply circuits, data acquisition circuit, and datel circuit forms, and the battery storage battery is equipped with intelligent charge controller, provides stable electric current to current charges;

Data acquisition circuit by the 4-20mA circuit interface of standard, gathers the parameter of pressure, temperature, liquid level sensor take the CPU of low-power consumption as core, simultaneously by the parameter of string property bus pick-up transducers, analyzes data and it is stored in the memory cell;

The data communication collector is packaged into Packet Generation to host computer with sensor parameters and the positional information of obtaining.

2. a kind of combustion gas Internet of Things intelligent monitoring terminal according to claim 1 is characterized in that described data acquisition circuit mainly comprises: the temperature and pressure transducer.

3. a kind of combustion gas Internet of Things intelligent monitoring terminal according to claim 1 is characterized in that described transducer adopts the transducer that possesses signal of telecommunication output and meet explosion-proof criteria, and the perfect electromagnetic protection measure of each interface employing of circuit, guarantees safe and reliable.

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