CN203643505U

CN203643505U - Single-phase intelligent electrical measuring instrument

Info

Publication number: CN203643505U
Application number: CN201320761594.9U
Authority: CN
Inventors: 卫荣平
Original assignee: Shaanxi Yinhe Energy Technology Co Ltd
Current assignee: Shaanxi Yinhe Energy Technology Co Ltd
Priority date: 2013-11-25
Filing date: 2013-11-25
Publication date: 2014-06-11
Anticipated expiration: 2023-11-25

Abstract

The utility model discloses a single-phase intelligent electrical measuring instrument comprising a microcontroller module. The input end of the microcontroller module is connected with a current acquiring module, a voltage acquiring module, and a button module. The current acquiring module is connected with a lightning protection circuit module 1. The voltage acquiring module is connected with a lightning protection circuit module 2. The microcontroller module is connected with a data storage module. The output end of the microcontroller module is connected with a RS-485 communication module communicating with a PC and a display module. The single-phase intelligent electrical measuring instrument is simple in structure, reasonable in design, and easy to use and manipulate. Surge protection grade is effectively increased by applying the lightning protection circuit modules to the current acquiring module and the voltage acquiring module. The single-phase intelligent electrical measuring instrument is good in practicality and easy to popularize and use.

Description

A kind of single-phase intelligent electric pilot

Technical field

The utility model belongs to measuring instrument and meter technical field, especially relates to a kind of single-phase intelligent electric pilot.

Background technology

Single-phase intelligent power meter is one of product of output maximum in China's electrical instrument industry, along with the fast development of new and high technology especially electronic information technology, electronic type, multi-functional, high precision, the advantage of the products such as telecommunication highlights, and progressively become the main flow of power meter development, at present because the monitoring management to the energy requires more and more higher, the measurement of electric system real-time electric power electric weight receives publicity day by day, performance requirement to instrument and carrying out surge protection Capability Requirement are also more and more higher, the carrying out surge protection grade that present most of single-phase intelligent electric measuring instrument bears can not well adapt to present all-environment application.

Utility model content

Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of single-phase intelligent electric pilot is provided, it is simple in structure, reasonable in design and use easy to operate, by lightning protection circuit module being set at electric current and voltage acquisition module, effectively raise carrying out surge protection grade, practical, be convenient to promote the use of.

For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of single-phase intelligent electric pilot, it is characterized in that: comprise micro controller module, the input end of described micro controller module is connected to current acquisition module, voltage acquisition module and key-press module, described current acquisition module and lightning protection circuit module one are joined, described voltage acquisition module and lightning protection circuit module two are joined, described current acquisition module comprises the current sensor for detection of detected object electric current, for the amplifying circuit one that the current signal of current sensor output is amplified and the filtering circuit one that carries out filtering for the current signal that current sensor is exported, described current sensor, amplifying circuit one and filtering circuit one join successively, the input end of described filtering circuit and micro controller module joins, described voltage acquisition module comprises the voltage sensor for detection of detected object voltage, for the amplifying circuit two that the voltage signal of voltage sensor output is amplified and the filtering circuit two that carries out filtering for the voltage signal that voltage sensor is exported, described voltage sensor, amplifying circuit two and filtering circuit two join successively, described filtering circuit two joins with the input end of micro controller module, described micro controller module and data memory module join, the output terminal of described micro controller module is connected to the RS-485 communication module that communicates with PC and for showing the display module of the each parameter information of detected object.

The utility model compared with prior art has the following advantages:

1, the utility model is simple in structure, reasonable in design and use easy to operate.

2, the utility model, by electric current and voltage acquisition module, lightning protection circuit module being set, effectively raises carrying out surge protection grade, practical.

Below by drawings and Examples, the technical solution of the utility model is described in further detail.

Brief description of the drawings

Fig. 1 is schematic block circuit diagram of the present utility model.

Description of reference numerals:

Embodiment

As shown in Figure 1, the utility model comprises micro controller module 1, the input end of described micro controller module 1 is connected to current acquisition module 2, voltage acquisition module 3 and key-press module 10, described current acquisition module 2 is joined with lightning protection circuit module 1, described voltage acquisition module 3 joins with lightning protection circuit module 25, described current acquisition module 2 comprises the current sensor 2-1 for detection of detected object electric current, for amplifying circuit one 2-2 that the current signal of current sensor 2-1 output is amplified and filtering circuit one 2-3 that carries out filtering for the current signal that current sensor 2-1 is exported, described current sensor 2-1, amplifying circuit one 2-2 and filtering circuit one 2-3 join successively, the input end of described filtering circuit 2-3 and micro controller module 1 joins, described voltage acquisition module 3 comprises the voltage sensor 3-1 for detection of detected object voltage, for amplifying circuit two 3-2 that the voltage signal of voltage sensor 3-1 output is amplified and filtering circuit two 3-3 that carry out filtering for the voltage signal that voltage sensor 3-1 is exported, described voltage sensor 3-1, amplifying circuit two 3-2 and filtering circuit two 3-3 join successively, the input end of described filtering circuit two 3-3 and micro controller module 1 joins, described micro controller module 1 joins with data memory module 6, the output terminal of described micro controller module 1 is connected to the RS-485 communication module 8 that communicates with PC 7 and for showing the display module 9 of the each parameter information of detected object.

Principle of work of the present utility model is: the electric current of current acquisition module 2 and voltage acquisition module 3 Real-time Collection detected objects and voltage signal are also exported to micro controller module 1 by the signal collecting, micro controller module 1 carries out passing through display module 9 by electric current real effective after analyzing and processing to signal, real available value of voltage, the parameter display such as active power and power factor out, micro controller module 1 is exported to PC 7 by RS-485 communication module by data simultaneously, PC 7 will further be made analyzing and processing to data, micro controller module 1 carries out setting and modifying by key-press module 10 to each parameter, in the time there is thunderbolt, a large amount of energy of thunderbolt is earial drainage from lightning protection circuit module 1 and lightning protection circuit module 25, thereby reaches the effect of protection back-end circuit.

The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification of above embodiment being done according to the utility model technical spirit, change and equivalent structure change, and all still belong in the protection domain of technical solutions of the utility model.

Claims

1. a single-phase intelligent electric pilot, it is characterized in that: comprise micro controller module (1), the input end of described micro controller module (1) is connected to current acquisition module (2), voltage acquisition module (3) and key-press module (10), described current acquisition module (2) is joined with lightning protection circuit module one (4), described voltage acquisition module (3) joins with lightning protection circuit module two (5), described current acquisition module (2) comprises the current sensor (2-1) for detection of detected object electric current, for the amplifying circuit one (2-2) that the current signal of current sensor (2-1) output is amplified and the filtering circuit one (2-3) that carries out filtering for the current signal that current sensor (2-1) is exported, described current sensor (2-1), amplifying circuit one (2-2) and filtering circuit one (2-3) join successively, described filtering circuit (2-3) joins with the input end of micro controller module (1), described voltage acquisition module (3) comprises the voltage sensor (3-1) for detection of detected object voltage, for the amplifying circuit two (3-2) that the voltage signal of voltage sensor (3-1) output is amplified and the filtering circuit two (3-3) that carries out filtering for the voltage signal that voltage sensor (3-1) is exported, described voltage sensor (3-1), amplifying circuit two (3-2) and filtering circuit two (3-3) join successively, described filtering circuit two (3-3) joins with the input end of micro controller module (1), described micro controller module (1) joins with data memory module (6), the output terminal of described micro controller module (1) is connected to the RS-485 communication module (8) that communicates with PC (7) and for showing the display module (9) of the each parameter information of detected object.