M-BUS circuit and multi-mode communication multi-protocol water meter collector

A M-BUS and circuit technology, applied in the field of automatic data acquisition, can solve the problems of water meter acquisition equipment shape, different installation and maintenance methods, and inconvenient installation and maintenance.

Pending Publication Date: 2019-06-18
国网江苏省电力有限公司宜兴市供电分公司 +1
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The existing water meter collectors generally have the following disadvantages: most of the existing water meter remote data acquisition equipment is directly provided by the water meter manufacturer, the downlink communication generally only has RS-485 or M-BUS, and the uplink communication generally only has RS-...

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  • M-BUS circuit and multi-mode communication multi-protocol water meter collector
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  • M-BUS circuit and multi-mode communication multi-protocol water meter collector

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Embodiment Construction

[0028] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings. Wherein the same components are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings. The terms "inner" and "outer" are used to refer to directions toward or away from, respectively, the geometric center of a particular component.

[0029] As a first aspect of the present invention, such as Figure 3~Figure 5 As shown, a kind of M-BUS circuit is provided, and described M-BUS circuit comprises: data sending circuit 100, data receiving circuit 200 and protection circuit 300;

[0030] The data sending circuit 100 is connected to the MCU control unit, and is used for the MCU control ...

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Abstract

The invention belongs to the field of automatic data acquisition technologies and relates to an M-BUS circuit and a multi-mode communication multi-protocol water meter collector. The M-BUS circuit comprises a data transmitting circuit, a data receiving circuit and a protection circuit; the data transmitting circuit comprises a power source control circuit, an overcurrent detecting circuit and an external connection bus circuit; the input end of the power source control circuit is connected with the output end Mbt of an MCU; the output end of the power source control circuit is connected with the input end of the external connection bus circuit; the first output end and second output end of the external connection bus circuit are respectively connected with the first end AO and second end BO of a water meter bus; the output end of the overcurrent detecting circuit is connected with the detecting end Dec of the MCU; and the input end of the overcurrent detecting circuit is connected withthe external connection bus circuit. The multi-mode communication multi-protocol water meter collector includes an uplink communication unit, a downlink communication unit, and the M-BUS circuit.

Description

technical field [0001] The invention relates to the technical field of automatic data collection, in particular to an M-BUS circuit and a multi-mode communication multi-protocol water meter collector. Background technique [0002] The four-meter centralized water meter reading system promoted by the state includes: four-meter concentrator, water meter collector, and water meter four-level structure. The communication between the concentrator and the water meter collector mostly adopts carrier wave and micro-power wireless communication. RS-485 or M-BUS interface is used for communication between the water meter collector and the water meter. [0003] The existing water meter collectors generally have the following disadvantages: most of the existing water meter remote data acquisition equipment is directly provided by the water meter manufacturer, the downlink communication generally only has RS-485 or M-BUS, and the uplink communication generally only has RS-485 or GPRS; ...

Claims

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Application Information

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IPC IPC(8): G08C17/02H04B1/40H04Q9/00H04L29/06
Inventor 李文谊王东林陈璟陈寒菁杨舒琪陈恺
Owner 国网江苏省电力有限公司宜兴市供电分公司
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