HD-RTU natural gas metering device and using method thereof
A HD-RTU and metering device technology, which is applied in the field of natural gas remote collection and metering, can solve the problems that functional modules cannot be integrated in the same device, and achieve the effect of convenient and quick query
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Embodiment 1
[0048] like Figures 1 to 3 As shown, this embodiment provides an HD-RTU natural gas metering device, including a main body 1, a plurality of circuit boards 22 are installed in the main body 1, and the main body 1 has a first circuit board to a sixth circuit board in sequence from the left end to the right end , the circuit board 22 is connected to the cover plate 3 and covered by the cover plate 3, the cover plate 3 is locked on the upper end of the main body 1 by screws 7, and the lower end of the main body 1 has a shunt board 19, the first A circuit board to a sixth circuit board are electrically connected to the shunt board 19 .
[0049] The first circuit board is connected to the power interface 2 and the RS232 interface 4 on the cover plate 3, the second circuit board is connected to the RS232 interface 4 on the cover plate 3, and the third circuit board is connected to The indicator light 5, the lan interface 6, the optical fiber interface 8, the display interface 11 a...
Embodiment 2
[0053] The shunt board 19 electrically connects the first circuit board to the sixth circuit board, and the first circuit board to the sixth circuit board can control and communicate with each other. The power interface 2 on the cover plate 3 connected to the first circuit board is connected to the power supply to supply power to the shunt board 19, and the RS233 interface 4 on the cover plate 3 connected to the first circuit board and the second circuit board is a communication interface that can be connected to external devices It communicates with external equipment. The external equipment is a natural gas metering collector. The natural gas metering collector can simultaneously collect 36 natural gas pipeline information (natural gas flow and pressure difference information) and input the collected signals to the third circuit through RS233 interface 4. In the ST memory card inserted in the board, the ST memory card can be taken out from the third circuit board and the prog...
Embodiment 3
[0058] The present invention mainly utilizes the structural connection method in which the first circuit board to the sixth circuit board are installed in the main body 1, and the first circuit board to the sixth circuit board are sequentially installed in the main body 1, and the cover plate 3 covers the circuit board. , for the cover plate 3 not connected to the circuit board, it is also locked on the upper end of the main body 1 by screws 7 to avoid dust in the main body 1 (for example, the cover plate 3 on the right end of the main body 1 is not connected to the circuit board), the present invention modularizes each circuit board Combination, each circuit board is integrated in the body 1, each circuit board 22 and the shunt board 19 are connected through the board hole type plug-in connection, when a certain circuit board does not need to be used, the circuit board can be taken out without affecting other circuits It is also convenient to replace a certain circuit board in...
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