CN203489914U

CN203489914U - A wind-driven generator parameter integrated monitoring apparatus based on a STD bus

Info

Publication number: CN203489914U
Application number: CN201320577425.XU
Authority: CN
Inventors: 杨川
Original assignee: CHENGDU SAITENG AUTOMATION ENGINEERING Co Ltd
Current assignee: CHENGDU SAITENG AUTOMATION ENGINEERING Co Ltd
Priority date: 2013-09-17
Filing date: 2013-09-17
Publication date: 2014-03-19
Anticipated expiration: 2023-09-17

Abstract

The utility model discloses a wind-driven generator parameter integrated monitoring apparatus based on a STD bus. The signal output end of a voltage sensor and the signal output end of a current sensor are connected with the input ends of an A/D converting circuit. The signal output end of a wind speed sensor is connected with the input end of a pulse sampling circuit. The signal output end of a wind direction sensor is connected with the input end of a switching quantity input circuit. The output end of the A/D converting circuit, the output end of the pulse sampling circuit, and the output end of the switching quantity input circuit are connected with an address data bus driving circuit through the STD bus. The address data bus driving circuit, a memory, a communication interface, a keyboard, and a display are connected with a CPU. Measurement of multiple parameters is integrated into one body and parameters including current, voltage, effective values, power factors, wind speed, and wind direction can be measured just by one apparatus. In addition, the wind-driven generator parameter integrated monitoring apparatus uses the STD bus structure so as to easily achieve modularization.

Description

Aerogenerator parametric synthesis monitoring device based on STD bus

Technical field

The utility model relates to a kind of aerogenerator monitoring device, relates in particular to a kind of aerogenerator parametric synthesis monitoring device based on STD bus.

Background technology

The device that aerogenerator is is electric energy by wind energy transformation, mainly by blade, generator, mechanical part and electric component form.Because aerogenerator adopts natural wind as Initial energy source, itself does not need energy cost, and builds wind power station and do not need to resemble power station and build check dam, builds cost lower, mainly with, the application of aerogenerator is more and more extensive.

In order to ensure aerogenerator, normally work, it is implemented to comprehensive parameters monitoring just necessary.Current aerogenerator parameter monitor device, monitoring comprehensively but complex structure, bulky, with high costs, be not easy to popularize, small volume, cost be lower, it is universal to be convenient to but can only detect the partial parameters of aerogenerator, and each several part syndeton is complicated, be difficult to realize modularization, be difficult to meet the high speed development demand of modern wind generating.

Utility model content

The purpose of this utility model with regard to be to provide in order to address the above problem a kind of simple in structure, be convenient to modularization and can realize the aerogenerator parametric synthesis monitoring device based on STD bus of comprehensive monitoring.

The utility model is achieved through the following technical solutions above-mentioned purpose:

Aerogenerator parametric synthesis monitoring device based on STD bus described in the utility model comprises voltage sensor, current sensor, air velocity transducer, wind transducer, A/D change-over circuit, impulse sampling circuit, switching value input circuit, STD bus, address data bus driving circuit, CPU, storer, communication interface, keyboard and display, the signal output part of described voltage sensor is connected with the input end of described A/D change-over circuit respectively with the signal output part of described current sensor, the signal output part of described air velocity transducer is connected with the input end of described impulse sampling circuit, the signal output part of described wind transducer is connected with the input end of described switching value input circuit, the output terminal of described A/D change-over circuit, the output terminal of described impulse sampling circuit is connected with described address data bus driving circuit by described STD bus respectively with the output terminal of described switching value input circuit, described address data bus driving circuit, described storer, described communication interface, described keyboard is connected with described CPU is corresponding respectively with described display.

The beneficial effects of the utility model are:

The utility model rolls into one the measurement function of aerogenerator many kinds of parameters, with an instrument, just can measure the parameters such as electric current, voltage, effective value, effect factor, wind speed, wind direction, and adopt STD bus structure, be convenient to realize modularization, and simple in structure, volume is little, cost is low, be convenient to popularize, and can meet the high speed development demand of modern wind generating.

Accompanying drawing explanation

Fig. 1 is the circuit block diagram of the aerogenerator parametric synthesis monitoring device based on STD bus described in the utility model.

Embodiment

Below in conjunction with accompanying drawing, the utility model is described in further detail:

As shown in Figure 1, aerogenerator parametric synthesis monitoring device based on STD bus described in the utility model comprises voltage sensor, current sensor, air velocity transducer, wind transducer, A/D change-over circuit, impulse sampling circuit, switching value input circuit, STD bus, address data bus driving circuit, CPU, storer, communication interface, keyboard and display, the signal output part of voltage sensor is connected with the input end of A/D change-over circuit respectively with the signal output part of current sensor, the signal output part of air velocity transducer is connected with the input end of impulse sampling circuit, the signal output part of wind transducer is connected with the input end of switching value input circuit, the output terminal of A/D change-over circuit, the output terminal of impulse sampling circuit is connected with address data bus driving circuit by described STD bus respectively with the output terminal of switching value input circuit, address data bus driving circuit, storer, communication interface, keyboard and display be connected corresponding with CPU respectively.

In said structure, most of circuit board is arranged in the STD standard PC case of 8 grooves.The Installation and Debugging of whole circuit are all very convenient.The analog signals of being exported by current sensor, voltage sensor is after A/D change-over circuit, become corresponding digital signal, CPU controls voltage, the current signal of A/D change-over circuit timing acquiring aerogenerator, gating pulse Acquisition Circuit gathers wind velocity signal, gauge tap amount input circuit gathers wind direction signals, and carries out data processing, preservation and show in real time.

Particularly, above-mentioned each parts all adopt existing conventional components, specific as follows:

CPU adopts AT89S52 single-chip microcomputer, and configures fully decoded circuit, keyboard interface circuit, data bus, address bus driving circuit and the long-distance communication circuit of conventional real time clock circuit, 64K address space range.

A/D change-over circuit is comprised of A/D conversion chip MAX125, low-pass filter circuit, address decoding circuitry, and wherein A/D conversion chip MAX125 includes sampling hold circuit, analog switching circuit.

12 tunnel pulse acquisition circuit are comprised of pulse acquisition circuit chip 82C53, photoelectric isolating circuit, schmidt shaping circuit, address decoding circuitry.

Switching value input circuit is comprised of switch value input interface, photoelectric isolating circuit, address data bus driving circuit.

The miniature AC voltage sensor that the miniature AC current sensor that the model that voltage sensor and current sensor adopt Mianyang, Sichuan Wei Bo Electronics Co., Ltd. to produce is WBI411D47 and model are WBV411D07.

The model that wind speed wind direction sensor adopts Changchun atmospherium research institute to produce is FC-1 type wind speed wind direction sensor, the sensing element of wind transducer is veneer weathercock, by it, drive Gray's code-disc, light emitting diode and phototriode assembly are used for converting the angular displacement of weathercock to corresponding Gray code.

Claims

1. the aerogenerator parametric synthesis monitoring device based on STD bus, is characterized in that: comprise voltage sensor, current sensor, air velocity transducer, wind transducer, A/D change-over circuit, impulse sampling circuit, switching value input circuit, STD bus, address data bus driving circuit, CPU, storer, communication interface, keyboard and display, the signal output part of described voltage sensor is connected with the input end of described A/D change-over circuit respectively with the signal output part of described current sensor, the signal output part of described air velocity transducer is connected with the input end of described impulse sampling circuit, the signal output part of described wind transducer is connected with the input end of described switching value input circuit, the output terminal of described A/D change-over circuit, the output terminal of described impulse sampling circuit is connected with described address data bus driving circuit by described STD bus respectively with the output terminal of described switching value input circuit, described address data bus driving circuit, described storer, described communication interface, described keyboard is connected with described CPU is corresponding respectively with described display.