CN205562674U - Grid voltage detecting system - Google Patents

Abstract

The utility model discloses a grid voltage detecting system, its characterized in that: the detecting system alternating voltage that includes AC electric network obtain the direct current analog quantity of low pressure after transformation rectification unit carries out rectifying and wave -filtering and pressure regulating, supply with the AD module of sampling, the power information that AD sampling module will be gathered again transmits and carries out data judgement real time monitoring for the DSP module. Since the above structure is adopted, the utility model overcomes grid voltage's the instability and the defect of control difficulty, compare the analysis in prior art measured data, it is faster, it is more accurate, more has the real -time, the all -round real -time data analysis to grid voltage has been realized, and have a voice prompting function, make grid voltage more humanized, the undulant problem of daily life grid voltage has been solved simultaneously, it avoids the peak period to be convenient for the user, to utilizing the daily electric wire netting data of high and new technology analysis, the development has the meaning of certain reality to the electric wire netting.

Description

A kind of network voltage detection system

Technical field

This utility model relates to the daily monitoring of line voltage, particularly to a kind of network voltage detection system.

Background technology

Electric energy is to ensure economic development and and the most key energy form of technological progress, fast due to industrial technology Speed development, causes that electrical network supply voltage is too high or too low causes the impaired phenomenon of electrical equipment to happen occasionally, because of And line voltage is measured accurately, it is fully understood by operation of power networks situation, and controls in real time, be to solve The important channel of power system produced problem.

For the problems referred to above, it is provided that a kind of novel detecting system, the alternating voltage of Real-time Collection sample electrical network, For monitoring the system of 220V alternating voltage.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of network voltage detection system, accurately adopts The alternating voltage of collection sample electrical network, it is achieved the real-time detection of 220V alternating voltage.

For reaching above-mentioned purpose, the technical solution of the utility model is, a kind of network voltage detection system, its It is characterised by: described detecting system includes that the alternating voltage of AC network carries out whole through Transformer Rectifier Unit Obtain the DC analogue quantity of low pressure after stream filtering and pressure regulation, supply A/D sampling module；A/D sampling module will again The electric network information collected passes to DSP module and carries out data judgement monitoring in real time.

Described DSP module includes data communication units and energy source optimization dispensing unit.

Described DSP module connects reseting module, and the electric capacity of reseting module keeps height after being charged by resistance Level, it is ensured that make DSP module active homing.

Described DSP module is simultaneously connected with display module and voice module, display real time information and input information, And abnormal information is carried out warning reminding.

Described DSP module is simultaneously connected with watchdog unit, clock module, power module.

A kind of network voltage detection system, owing to using above-mentioned structure, this utility model overcomes electrical network electricity The unstability of pressure and the defect of control difficulty, analyze compared to prior art measurement data, faster, more smart Really, real-time is had more, it is achieved that real-time data analysis comprehensive to line voltage, and with voice message Function so that line voltage more hommization, solves daily life voltage ripple of power network problem, just simultaneously Avoid peak period in user, to utilizing high and new technology to analyze daily electric network data, power network development is had certain Actual meaning.

Accompanying drawing explanation

With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings；

Fig. 1 is the structural representation of this utility model a kind of network voltage detection system；

Fig. 2 is the circuit diagram of Transformer Rectifier Unit in this utility model a kind of network voltage detection system；

Fig. 3 is the workflow diagram of this utility model a kind of network voltage detection system；

In FIG, 1, DSP module；2, AC network；3, Transformer Rectifier Unit；4, A/D sampling Module；5, voice module；6, display module；7, reseting module；8, watchdog unit；9, clock mould Block；10, power module.

Detailed description of the invention

This utility model includes that the alternating voltage of AC network 2 carries out rectifying and wave-filtering through Transformer Rectifier Unit 3 With obtain the DC analogue quantity of low pressure after pressure regulation, supply A/D sampling module 4；A/D sampling module 4 will again The electric network information collected passes to DSP module 1 and carries out data judgement monitoring in real time.

DSP module 1 includes data communication units and energy source optimization dispensing unit.DSP module 1 connects to be had again Position module 7, the electric capacity of reseting module 7 keeps high level after being charged by resistance, it is ensured that make DSP module 1 Active homing.DSP module 1 is simultaneously connected with display module 5 and voice module 6, display real time information and input Information, and abnormal information is carried out warning reminding.DSP module 1 is simultaneously connected with watchdog unit 8, clock mould Block 9, power module 10.

The most as Figure 1-3, this utility model includes: A/D sampling module 4, is used for detecting line voltage Real time data；DSP module 1, receive A/D sampling module 4 send information, by in-core comparator with Input desirable information compares, and forms control information；Display module 6 and voice module 5, be used for showing Line voltage information and input information, and abnormal information is carried out warning reminding.

Transformer Rectifier Unit 3 and A/D sampling module 4, by alternating voltage through blood pressure lowering, rectifying and wave-filtering and tune Pressure obtains the DC analogue quantity of low pressure, supply A/D conversion chip sampling, and contrasts module and collection at in-core Signal compares process.Line voltage real time information data collected by each data pick-up, through signal conditioner Generating DSP acceptable signal with digital-to-analogue conversion module, dsp chip receives the information that acquisition module sends, logical Cross in-core comparator to compare with input desirable information；And for display module 6 and voice module 5, display Generated ideal data；When detecting in real time, enter observing pattern, show voltage real time environment information, and right During monitoring, abnormal signal carries out audio alert warning.

According to one embodiment of this utility model, the model of signal conditioner is T1100L, thus realizes gathering The standardization of signal.A/D sampling module 4 is the CS5340 that Cirrus Logic company produces, thus realizes The standard analog signal of collection is changed into digital signal.The model of DSP module 1 is TMS320F28335, Process the signal gathered, and form control signal, monitoring real-time voltage fluctuation.Voice module 5 is common language Sound equipment is also connected with dsp chip, and line voltage produces abnormal information will send alarm, warn for user. System is run and is played effective supervision effect by watchdog unit 8

Above in conjunction with accompanying drawing, this utility model is exemplarily described, it is clear that this utility model implements It is not subject to the restrictions described above, as long as have employed the various improvement that technical solutions of the utility model are carried out, or The most improved that directly apply to other occasion, all within protection domain of the present utility model.

Claims (5)

1. a network voltage detection system, it is characterised in that: described detecting system includes AC network (2) Alternating voltage after Transformer Rectifier Unit (3) carries out rectifying and wave-filtering and pressure regulation, obtain the DC simulation of low pressure Amount, supply A/D sampling module (4)；The electric network information collected is passed to by A/D sampling module (4) again DSP module (1) carries out data and judges monitoring in real time.

A kind of network voltage detection system the most according to claim 1, it is characterised in that: described DSP Module (1) includes data communication units and energy source optimization dispensing unit.

A kind of network voltage detection system the most according to claim 1, it is characterised in that: described DSP Module (1) connection keeps height after having reseting module (7), the electric capacity of reseting module (7) to be charged by resistance Level, it is ensured that make DSP module (1) active homing.

A kind of network voltage detection system the most according to claim 1, it is characterised in that: described DSP Module (1) is simultaneously connected with display module (5) and voice module (6), display real time information and input information, And abnormal information is carried out warning reminding.

A kind of network voltage detection system the most according to claim 1, it is characterised in that: described DSP Module (1) is simultaneously connected with watchdog unit (8), clock module (9), power module (10).