CN103941084A - MuCOS (Micro Control Operation System) operating system based intelligent electric meter - Google Patents
MuCOS (Micro Control Operation System) operating system based intelligent electric meter Download PDFInfo
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- CN103941084A CN103941084A CN201410199535.6A CN201410199535A CN103941084A CN 103941084 A CN103941084 A CN 103941084A CN 201410199535 A CN201410199535 A CN 201410199535A CN 103941084 A CN103941084 A CN 103941084A
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Abstract
The invention relates to a MuCOS (Micro Control Operation System) operating system based intelligent electric meter. The MuCOS operating system based intelligent electric meter is characterized in that a MuCOS real-time operating system is operated on a central processing unit; a power acquisition module, a display module, an external storage module, a RTC (Real Time Clock) module, an input module and a communication module which are corresponding to hardware are divided into corresponding power acquisition tasks, electric quantity processing tasks, input tasks, display tasks, output tasks and MODBUS communication tasks; the various tasks are adjusted and synchronized through message queues and the signal amount. The MuCOS operating system based intelligent electric meter has the advantages of being strong in stability, high in safety performance and good in real-time performance, enabling system expansion to be easy, shortening period for market launch and reducing research and development costs by a large margin.
Description
Technical field
The present invention relates to a kind of intelligent electric meter, relate in particular to a kind of intelligent electric meter based on uCOS real time operating system.
Background technology
At present, the software systems of intelligent electric meter are all used the bare machine program of moving a master routine, the intelligent electric meter program structure of this kind of framework is complicated, real-time is not strong, poor stability, and the function that later development is new is also more difficult, often need again to develop, this just causes overlapping development, has reduced development efficiency, has not only extended product development cycle but also has increased cost of development.
Summary of the invention
The object of this invention is to provide that a kind of software system structure is simple, real-time performance is strong, stability is strong and be beneficial to the intelligent electric meter of later stage Function Extension.
In order to achieve the above object, technical scheme of the present invention has been to provide a kind of intelligent electric meter based on uCOS operating system, comprises central processor unit, central processor unit respectively with electric quantity acquisition module, display module, outer memory module, RTC real-time clock module, load module and communication module are connected, and by power module, are central processor unit, electric quantity acquisition module, display module, outer memory module, RTC real-time clock module, load module and communication module provide working power, and electric quantity acquisition module connects respectively current sensor and voltage sensor, it is characterized in that: on central processor unit, move uCOS real time operating system, by the electric quantity acquisition module corresponding to hardware, display module, outer memory module, RTC real-time clock module, load module and communication module are divided into corresponding electric quantity acquisition task, electric weight Processing tasks, incoming task, demonstration task, output task and MODBUS communication task, uCOS coordinates by message queue and semaphore and synchronizes various tasks.
Preferably, then voltage parameter, current parameters and the current waveform data that obtained by current sensor module and voltage sensor module by electric quantity acquisition module are stored into corresponding register after calculating the electric energy of voltage effective value, current effective value, power, frequency, power factor (PF), phasing degree and consumption.Electric quantity acquisition task is by reading the corresponding register of electric quantity acquisition module by voltage effective value, current effective value, power, frequency, power factor (PF), the data such as electric energy of phasing degree and consumption are read in central processor unit, the data that electric weight Processing tasks is used corresponding algorithm process electric quantity acquisition task to obtain, then generate and show data, alert data and communication data, electric weight Processing tasks judges whether to generate according to the alert data generating reports to the police to drive alarm output module, alarm output module is connected with central processor unit, by demonstration task, will show that data show by display module, effect by MODBUS task is by MODBUS communication protocol and other devices communicatings and sends communication data.
Due to uCOS operating system be through strict test can be for the real time operating system of spacecraft, so its stability is strong, security performance is high, real-time is good.For the Function Extension in later stage, just increase the task of corresponding function, like this construction cycle short, software systems reusability is high, shortens the cycle of launch simultaneously, significantly reduces R&D costs.
The invention has the beneficial effects as follows: stability is strong, security performance is high, real-time is good, system extension is easy, can shorten the cycle of launch, significantly reduce R&D costs.
Accompanying drawing explanation
Fig. 1 is the hardware structure diagram of a kind of intelligent electric meter based on uCOS operating system provided by the invention.
Embodiment
For the present invention is become apparent, hereby with preferred embodiment, and coordinate accompanying drawing to be described in detail below.
As shown in Figure 1, a kind of intelligent electric meter based on uCOS real time operating system provided by the invention, comprises STM32 microprocessor, RS485 communication module, ferroelectric memory module, switching input module, electric quantity acquisition module, real-time clock module, keyboard load module, alarm output module, LCD MODULE, power module, current sensor module and voltage sensor module.
Power module is connected with STM32 microprocessor, RS485 communication module, ferroelectric memory module, switching input module, electric quantity acquisition module, real-time clock module, keyboard load module, alarm output module and LCD MODULE, is whole system power supply.STM32 microprocessor is connected with RS485 communication module, ferroelectric memory module, switching input module, electric quantity acquisition module, real-time clock module, keyboard load module, alarm output module and LCD MODULE, sets up the passage of exchanges data.Electric quantity acquisition module is connected with current sensor module and voltage sensor module, for gathering voltage parameter and current parameters.
The above-mentioned intelligent electric meter method of work based on uCOS real time operating system: after system powers on, first close total interrupt system, next diagnose all system hardwares of also initialization, initialization uCOS, then create respectively incoming task, output task, demonstration task, MODBUS communication task, electric quantity acquisition task, electric weight Processing tasks and create message queue and the semaphore for intertask communication, finally start uCOS multiple tasks dispatching system.Electric quantity acquisition task is read in STM32CPU by it by current sensor module and the collection of voltage sensor module the data such as electric energy of calculating the voltage effective value, current effective value, power, frequency, power factor (PF), phasing degree and the consumption that generate by reading the corresponding register of electric quantity acquisition module, the data that electric weight Processing tasks is used corresponding algorithm process electric quantity acquisition task to obtain, then generate and show data, alert data and communication data.Electric weight Processing tasks also judges whether the data according to generating to generate reports to the police to drive alarm output module, whether store current data etc.
The effect of incoming task is from switching input module and keyboard load module, to obtain data to carry out man-machine interaction.The effect of demonstration task is the data that show that the needs of electric weight Processing tasks generation show.The effect of MODBUS task is by MODBUS communication protocol and other devices communicatings.UCOS real time operating system is born the effect of data interaction between task scheduling, task in whole system.
Above-mentioned functions is only explanation technical conceive of the present invention and feature; its object is to allow person skilled in the art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences that Spirit Essence is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (2)
1. the intelligent electric meter based on uCOS operating system, comprise central processor unit, central processor unit respectively with electric quantity acquisition module, display module, outer memory module, RTC real-time clock module, load module and communication module are connected, by power module, it is central processor unit, electric quantity acquisition module, display module, outer memory module, RTC real-time clock module, load module and communication module provide working power, electric quantity acquisition module connects respectively current sensor and voltage sensor, it is characterized in that: on central processor unit, move uCOS real time operating system, by the electric quantity acquisition module corresponding to hardware, display module, outer memory module, RTC real-time clock module, load module and communication module are divided into corresponding electric quantity acquisition task, electric weight Processing tasks, incoming task, demonstration task, output task and MODBUS communication task, uCOS coordinates by message queue and semaphore and synchronizes various tasks.
2. a kind of intelligent electric meter based on uCOS operating system as claimed in claim 1, is characterized in that: the voltage parameter that electric quantity acquisition module obtains by current sensor module and voltage sensor module, current parameters and current waveform data are then by calculating voltage effective value, current effective value, power, frequency, power factor (PF), after the electric energy of phasing degree and consumption, be stored into corresponding register, electric quantity acquisition task is by reading the corresponding register of electric quantity acquisition module by voltage effective value, current effective value, power, frequency, power factor (PF), the data such as electric energy of phasing degree and consumption are read in central processor unit, and then the data that electric weight Processing tasks is used corresponding algorithm process electric quantity acquisition task to obtain generate and show data, alert data and communication data, electric weight Processing tasks judges whether to generate according to the alert data generating reports to the police to drive alarm output module, alarm output module is connected with central processor unit, by demonstration task, will show that data show by display module, and by the effect of MODBUS task, be by MODBUS communication protocol and other devices communicatings and send communication data.
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| CN201410199535.6A CN103941084A (en) | 2014-05-13 | 2014-05-13 | MuCOS (Micro Control Operation System) operating system based intelligent electric meter |
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Cited By (5)
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| CN105607535A (en) * | 2015-12-23 | 2016-05-25 | 华南理工大学 | Intelligent power meter based on CAN communication and ZigBee networking |
| CN106097589A (en) * | 2016-06-12 | 2016-11-09 | 宁波迦南电子有限公司 | A kind of embedded management system of single-phase charge-controlled intelligent electric meter |
| CN106127960A (en) * | 2016-06-12 | 2016-11-16 | 宁波迦南电子有限公司 | A kind of single-phase charge-controlled intelligent electric meter |
| CN111537791A (en) * | 2020-07-01 | 2020-08-14 | 杭州雷甸科技有限公司 | Intelligent electric meter based on embedded operating system |
| CN112098713A (en) * | 2020-07-31 | 2020-12-18 | 宁波三星医疗电气股份有限公司 | Electric energy meter operation control method |
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