CN203324739U - Intelligent divider circuit device of public electric quantity - Google Patents

Abstract

An intelligent divider circuit device of a public electric quantity uses a special electric quantity measuring unit, and at the same time a measurement and control storage circuit is carefully-designed to form the intelligent divider circuit device of the public electric quantity. The device comprises a power supply circuit, a micro control and display unit circuit, an electric quantity measuring circuit, a communication circuit, a storage circuit, a loop switching circuit, wherein the power supply circuit includes a system power supply and a measurement and control power supply. According to the utility model, the loop switching is realized mainly through monitoring of the output electric quantity of the power supply loop, so that the fairer distribution is achieved; and the remote communication port is provided and the state monitoring function of the switching power supply loop is added, so that the spark is not produced during switching and the system switching is more reliable and stable.

Description

A kind of public electric weight intelligence divider circuit arrangement

Technical field

The utility model relates to public illumination, estate management and Energy Saving Control field.

Background technology

Current, generally adopt following two kinds of modes for the public electricity-using expenses management in estate management: 1, an ammeter is installed in the public electricity-using loop, then by certain computing formula, is divided the orientation user to collect the charges power consumption; 2, some the property plots that can independently carry out sale of electricity work adopts the policy that electricity price is improved to collect and is equally shared by all electricity cost.

Easily cause user's misunderstanding under two kinds of modes of current this, cause estate management side with the contradiction between the owner, estate management side also is difficult to fully collect be equally shared by all the electricity charge simultaneously, has caused a lot of losses.Simultaneously, along with the enforcement of state's net intelligent electric meter transformation is goed deep into, state's net is progressively regained sale of electricity power, and the difficulty that property is equally shared by all charge will further strengthen.

Some manufacturers design in the market be equally shared by all electricity distributor, to switch current supply circuit according to the time, exist current supply circuit output electric weight can't measure, be equally shared by all power consumption can't measure, without Presentation Function, and allocation scheme dumb, can't realize intelligent teletransmission, the allocation scheme not scientific factors such as non-adjustable.

The design can automatically perform according to electric flux and measures and automatically will be equally shared by all electric weight and be dispensed to current supply circuit according to the electric weight allocation algorithm of being equally shared by all of s own situation setting according to infrastructure management company, and is metered into electric supply meter.Property is not directly collected and is equally shared by all the electricity charge, has reduced the estate management difficulty.In the situation that property not house call be equally shared by all the electricity charge, do not improve and sell electric unit price and automatically will be equally shared by all electric weight according to reasonable formula and carry down to user loop.Avoid fee contradiction, strengthened fairness in distribution, there is good dissemination and marketable value.

The utility model content

The purpose of this utility model is: in order to overcome the deficiency of above-mentioned prior art, a kind of public electric weight intelligence divider circuit arrangement is provided, it has possessed all advantages of public electric weight timesharing divider, provides according to electric weight and user's formula simultaneously and carries out smart allocation, the demonstration of loop electric weight, RCI.Make its intelligent estate management system, and energy consumption total management system product in extensively promote the use of.

The technical solution of the utility model is: adopt special-purpose electrical measurement unit, well-designed observing and controlling memory circuit, make it become public electric weight intelligence divider circuit arrangement simultaneously.This device is by power circuit, microcontroller and display unit circuit, electrical measurement circuit, telecommunication circuit, memory circuit, loop switching the electric circuit constitute specifically.

Above-mentioned a kind of public electric weight intelligence divider circuit arrangement, said power supply provides system to use by the doubleway output linear transformer after rectifying and wave-filtering, and power supply is comprised of system power supply and metering observing and controlling power supply two parts; System power supply and metering observing and controlling power supply dual path isolation are separately.

Above-mentioned a kind of public electric weight intelligence divider circuit arrangement, said microcontroller and display unit circuit are comprised of the single-chip microcomputer that is integrated with liquid crystal drive, liquid crystal display and peripheral auxiliary circuits, mainly realizing processing and the operation such as transmission control etc. of integrated data, is the core cell of this circuit.

Above-mentioned a kind of public electric weight intelligence divider circuit arrangement, said electrical measurement circuit is comprised of special-purpose electrical measurement chip and peripheral auxiliary circuits, can, by measuring the output electric weight in switching electricity consumption loop and converting digital pulse signal to for microcontroller and display unit operation, mainly complete AFE (analog front end) electrical measurement and the conversion work in switching electricity consumption loop.

Above-mentioned a kind of public electric weight intelligence divider circuit arrangement, said telecommunication circuit is comprised of the private communication chip, memory circuit is comprised of large-scale integrated storage Flash chip, triode and loop switching relay that the storage of main completion system observing and controlling parameter, loop switching circuit are controlled by push-pull circuit form, and mainly according to the control command of micro-control unit, realize the switching control in loop.The switching observation circuit of coincidence circuit switching control circuit can provide the switching for system monitoring whether to move normal signal effectively, effectively improves system run all right.

The utility model relatively has advantages of with similar technology:

1, the utility model mainly realizes that by the mode of monitoring current supply circuit output electric weight the loop switching has better fairness in distribution;

2, the utility model has added the function of distributing on-site actual situations editor electricity consumption distribution formula according to electricity consumption, and arranges and automatically carry out the loop switching according to formula, has better versatility and on-the-spot adaptability;

3, the utility model possesses remote communications port is arranged, and operational factor that can long-range fetch equipment and revise concrete operations such as distributing formula is more powerful than market like product;

4, increased local Presentation Function, for contingency in use procedure, occurred that the solution of dispute is more convenient;

5, increased the status monitoring function of switching current supply circuit, do not produced electric spark during switching, made the system switching more reliable and stable.

The accompanying drawing explanation

Fig. 1 is theory diagram of the present utility model

Fig. 2 is power circuit diagram of the present utility model

Fig. 3 is micro control unit circuit figure of the present utility model

Fig. 4 is memory circuit figure of the present utility model

Fig. 5 is telecommunication circuit figure of the present utility model

Fig. 6 is loop of the present utility model switching circuit diagram

Embodiment

With reference to Fig. 1, it is schematic block circuit diagram of the present utility model.The utility model is comprised of power circuit, microcontroller and display unit circuit, telecommunication circuit, electrical measurement circuit, loop switching circuit and memory circuit.After this device powers on, power circuit provides system power supply to make its normal operation to micro control unit circuit, telecommunication circuit, loop switching circuit and memory circuit; Provide a road insulating power supply to make the normal operation of electrical measurement circuit to the electrical measurement circuit simultaneously.Microcontroller and display unit circuit are opened and are shown and other observing and controlling function, each loop electrical measurement parameter of display system and switching parameter; Microcontroller and display unit have the real-time query button simultaneously, just start when micro-control circuit detects button and turn over fast screen for the on-the-spot query argument operation of user.When the electrical measurement circuit monitoring is just exported metrical pulse to micro-control circuit when current supply circuit has electric current to use, micro-control circuit calls memory circuitry stores electrical measurement value under controlling, and when the switching of needs loop, micro-control circuit control loop switching circuit is carried out switching operation switched system current supply circuit.

With reference to Fig. 2-6, power circuit is to coordinate rectifier circuit by linear transformer, three terminal regulator circuit and some filter capacitors form, linear transformer adopts two-way 12V isolation output type respectively to metering circuit control system circuit supply, two-way 12V output voltage supplies system works through the constant voltage of rectifying and wave-filtering voltage stabilizing operation output respectively, microcontroller and display unit circuit are by High Performance SCM D78F045X series, crystal oscillator, liquid crystal, and some resistance capacitances form, mainly complete the electric weight instrumentation of whole system, the data storage, consumption shows, data communication, the loop switching is controlled function.Specifically microcontroller circuit receives and corresponding upper Host Command by the data communication circuit, complete self parameter configuration, and the parameter information programming is entered in memory circuitry MIC24LC16 simultaneously, when metering circuit sends metrical pulse, micro-control circuit is realized the cumulative of metrical pulse, and in time by the variable write store; Micro-control circuit refreshes the liquid crystal display project in real time simultaneously, makes liquid crystal display that the interface of user interactions is provided in real time.Metering circuit is comprised of the special metering IC ADE7755, crystal oscillator and some resistance capacitances, its instantaneous current and voltage signals of can sampling, and can calculate according to time integral the power consumption in electricity consumption loop, offer micro-control circuit and carry out meter store control thereby convert power consumption to electric pulse output.Memory circuit is comprised of integrated memory chip MIC24LC16 and some peripheral resistance capacitances, the main memory function according to micro-control circuit instruction completing user parameter, and refresh in real time the storage content according to the microcontroller order.Telecommunication circuit mainly is comprised of special communication chip I SL8148, optocoupler and some peripheral resistance capacitances, mainly completes the translation function of communication signal, but 485 signals that it can convert ttl to long-distance transmissions carry out remote transmission.Loop switching main circuit will keep switching relay, triode, optocoupler and some resistance to form by magnetic, mainly according to the command request of microcontroller, carry out the loop switching, optocoupler in this circuit coordinates some resistance can detect whether success of switching simultaneously, provide simultaneously the CHECKUSER signal to microcontroller to increase system switching reliability.

Claims (2)

1. a public electric weight intelligence divider circuit arrangement, it is characterized in that: by power circuit, microcontroller and display unit circuit, the electrical measurement circuit, telecommunication circuit, memory circuit, loop switching the electric circuit constitute, power supply provides system to use by the doubleway output linear transformer after rectifying and wave-filtering, power supply is comprised of system power supply and metering observing and controlling power supply two parts, system power supply and metering observing and controlling power supply dual path isolation are separately, microcontroller and display unit circuit are by the single-chip microcomputer that is integrated with liquid crystal drive, liquid crystal display and peripheral auxiliary circuits form, the electrical measurement circuit is comprised of electrical measurement chip and peripheral auxiliary circuits, can will measure the output electric weight in switching electricity consumption loop and convert digital pulse signal to for microcontroller and display unit operation, complete AFE (analog front end) electrical measurement and the conversion work in switching electricity consumption loop.

2. public electric weight intelligence divider circuit arrangement as claimed in claim 1, it is characterized in that: said telecommunication circuit is comprised of communication chip, memory circuit is comprised of large-scale integrated storage Flash chip, and triode and loop switching relay that loop switching circuit is controlled by push-pull circuit form.

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