Intelligent electric meter data acquisition box
A data acquisition and smart meter technology, applied in the direction of electrical signal transmission system, signal transmission system, instrument, etc., can solve the problems of low efficiency, inconvenient, low degree of intelligence, etc., and achieve the effect of convenient intelligent management
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Embodiment 1
[0039] Referring to Figure 1 (a) to (b), the smart meter data acquisition box includes a box body 1, which is provided with a set of RS485 communication interfaces; the RS485 communication interface is connected to the corresponding RS485 interface on the meter; box body 1 There is also a smart main board inside, and the smart main board is connected with the Bluetooth module; there is also an NB sub-board with a BC26 module integrated in the box body 1; the NB sub-board communicates with the server through NB-IOT communication; the NB sub-board and the smart main board communicate through the serial port connect.
[0040] The smart meter data acquisition box in Embodiment 1 has only one set of RS485 interfaces, and only supports one meter.
Embodiment 2
[0042] See Figure 2(a)~(b), the smart meter data acquisition box includes box body 1, box body 1
[0043] There are four sets of RS485 communication interfaces inside; the four sets of RS485 communication interfaces are respectively connected to the corresponding RS485 interfaces on the four electric meters; there is an RS485 expansion board in the box body 1, which is used to expand one RS485 interface to four RS485 interfaces; There is also a smart main board in the box body 1, and the smart main board is connected with the Bluetooth module; there is also an NB sub-board with a BC26 module integrated in the box body 1; the NB sub-board communicates with the server through NB-IOT communication; the NB sub-board and the smart main board Connect via serial port.
[0044] The smart meter data acquisition box in the second embodiment has only four sets of RS485 interfaces, which can support the connection of four meters at the same time.
Embodiment 3
[0046] Refer to Figure 3 (a) to (b), the smart meter data acquisition box includes a box body 1, which is equipped with eight sets of RS485 communication interfaces; the four sets of RS485 communication interfaces are respectively connected to the corresponding RS485 interfaces on the eight meters Connection; there is an RS485 expansion board in the box body 1, which is used to expand one RS485 interface to 8 RS485 interface boxes. There is also a smart motherboard in the box body 1, which is connected to the Bluetooth module; a BC26 is also integrated in the box body 1 The NB sub-board of the module; the NB sub-board is connected to the server through NB-IOT communication; the NB sub-board is connected to the smart main board through a serial port.
[0047] The smart meter data acquisition box in the third embodiment has only eight sets of RS485 interfaces, which can support the connection of eight electric meters at the same time.
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