CN206470873U - A kind of portable prepayment meter - Google Patents

Abstract

The utility model discloses a kind of portable pre-payment electric energy meter apparatus, the device includes the composition such as power supply unit, voltage x current collecting unit, built-in relay control unit, memory cell and near field communication controller module.Near field communication controller module includes microcontroller and near field communication unit.Day, moon freezing data and meter state data etc. are uploaded to user mobile phone by the utility model by near-field communication modes, and upload to meter reading main website by mobile communication, are carried out real time data copy reading, can also be realized the function of ladder charge.

Description

A kind of portable prepayment meter

Technical field

The utility model is specifically related to a kind of electric energy meter device, more particularly to a kind of based on portable prepayment meter dress Put.

Background technology

The prepayment meter that generally uses is card form prepayment meter at present, including IC-card and radio-frequency card form； It is single that such a table includes power module, voltage x current sample processing unit, microcontroller, built-in relay control unit and display Member, can be automatically performed the functions such as collection, metering, display, control and the prompting alarm of electric quantity data.User purchases electricity by card Measure and after use, obtain the access right of institute's purchase of electricity on this table；During user power utilization, the micro-control in intelligent meter Device processed is examined and made cuts dump energy automatically, and institute's purchase of electricity will be powered off after being finished automatically by built-in relay, and user needs power purchase again Could normally it use.Due to this inherent characteristic of card prepayment meter, there is some following drawback at present：1st, user is difficult to Current power information is understood in real time, while needing user to go to corresponding Utilities Electric Co. business hall just to pay the fees, is continued to pay dues, to visitor Bring very big inconvenience in family；2nd, power office can not in time readjust prices according to market situation, be brought about great losses when energy prices go up； 3rd, the prepayment mode fault rate of card form is high, is unfavorable for keeping, moisture-sensitive wet environment and artificial attack interference, adds damage Probability.

Utility model content

For above-mentioned the deficiencies in the prior art, the purpose of this utility model, which is to provide one kind, can carry out real-time query and reliable The portable prepayment meter of pre-payment.

To achieve these goals, the utility model is achieved through the following technical solutions：

One kind is based on portable pre-payment electric energy meter apparatus, it is characterised in that the device includes power supply unit, voltage Current acquisition unit, built-in relay control unit, memory cell and near field communication controller module, the near-field communication control Device module includes microcontroller and near field communication unit；, near field communication controller module passes through radio communication mode and user's hand Machine carries out the exchange of data message, and microcontroller part is responsible for driving supply voltage detection, electric quantity signal processing, built-in relay Dynamic control, and carried out data transmission by radio frequency part.The power supply unit provides electric energy for the microcontroller and will Power supply power-fail or low voltage detection are sent to described microcontroller, and described voltage x current sampling unit will flow in loop Voltage, the electric current crossed are sent to electric quantity signal processing unit；Described built-in relay control unit receives the folding of microcontroller Order；Charging information or the abnormal state information of collection are reached microcontroller by data storage cell, by microcontroller by these Information reaches the cell phone apparatus of user by near-field communication modes, and the near-field communication module passes through the control signal received Microcontroller is controlled to the built-in relay control unit.

It can be seen from the above technical proposal that the utility model by near-field communication modes by day, moon freezing data and Meter state data etc. are uploaded to user mobile phone, and upload to meter reading main website by mobile communication, carry out real time data and copy Read, the function of ladder charge can also be realized.User can select payment amount and payment time with independently by mobile phone mode, save The trouble using card form power purchase is gone, institute's subfam. Spiraeoideae is directly purchased in the way of mobile phone is deducted fees, and pass through communication mode pair of marching into the arena User institute power consumption preliminary filling, is that user brings many facilities.Power office can also realize pre-charge function, price adjustment function, gradiometer Function and long-range built-in Control function are measured, so that payment difficult problem is effectively solved, and to the reality of user power utilization information When monitor.

Brief description of the drawings

With reference to accompanying drawing, and by reference to following detailed description, it will more easily have more complete to the utility model Understand its adjoint advantages and features, wherein：

Fig. 1 is functional block diagram of the present utility model.

Fig. 2 is near-field communication module circuit theory diagrams of the present utility model.

Embodiment

To make content of the present utility model more clear understandable, below in conjunction with Figure of description, to of the present utility model interior Appearance is described further.Certain the utility model is not limited to the specific embodiment, known to those skilled in the art General replacement be also covered by protection domain of the present utility model.Secondly, the utility model has been carried out in detail using schematic diagram Statement, when the utility model example is described in detail, for convenience of description, schematic diagram should not according to general ratio partial enlargement Limited in this, as to of the present utility model.

It is functional block diagram of the present utility model as shown in Figure 1：As shown in figure 1, the utility model offer is a kind of portable Formula prepayment meter comprising power supply unit, voltage x current collecting unit, built-in relay control unit, memory cell and Near field communication controller module, near field communication controller module integrated microcontroller and near field communication unit.Above-mentioned functions list Member is connected with the microcontroller in the near-field communication control module, and implements master control to above-mentioned functions module by microcontroller System.The power detecting unit includes main power source and detects circuit, its function be power for the near-field communication control module and incite somebody to action Power supply power-fail or low power testing signal are sent to the microcontroller of the near field communication controller module；The voltage x current sampling The voltage collected, current data are reached microcontroller by unit, then carry out data biography by microcontroller and near field communications chip It is defeated, then data message and acquisition abnormity status information are sent to meter reading master station by mobile communication mode；The near field leads to The control signal received is controlled by letter controller module by microcontroller to the built-in relay control unit.

In addition, voltage x current sampling unit of the present utility model has mutual inductor sample mode or copper-manganese sample mode to be available for choosing Select.Significant data subregion in memory is repeatedly preserved, and prevents loss of data and effectively error correction.Electric energy meter near-field communication is controlled Near field chip in device module transmits electricity, value data to the Surveillance center of Utilities Electric Co. by user mobile phone, in addition should Near field chip also can receive data and control command by cell phone apparatus, send microcontroller to.

The interlock circuit of the near field communication controller module is as shown in Figure 2.The confession of the near field communication controller module Electric part is the power supply VBAT by external power source after Transformer Rectifier, in parallel by electric capacity C2, electric capacity C3 and polar capacitor C1 And obtained after filtering, 8 pin and 9 pin of the near field communication controller module D1 are accessed afterwards is powered for it.

17,18,19,20 pin of the near field communication controller module D1 read in respectively electrical energy metering signal CS, SCLK, SDO、SDI.Built-in relay control signal CTRL_MOTOR_CLOSE, its 16 pin are closed in the 15 pin output of the NFC module D1 Built-in relay control signal CTRL_MOTOR_OPEN is opened in output.Specifically, when the metering signal data read in exceed storage During the precharge energy values set in device, its built-in relay is opened, and user can be with normal power supply；When the metering signal of reading When data are less than the precharge energy values set in memory, its built-in cut-off, user must supplement with money just can be normal Use.

The near field communication controller module D1 can be queried the balance by cell-phone customer terminal, current electric energy meter is monovalent in real time, The information such as total electricity consumption, dump energy and table number.

In use, the utility model uses low-power consumption mode, periodic awakening is set, number is issued when detecting cell-phone customer terminal According to when, the data issued are stored in the utility model memory cell.Measure, lead to by transformer mode or copper-manganese mode Cross near-field communication modes and receive the information such as recharge amount, and deducted fees automatically according to the realization of real time price parameter.When remaining sum is few When overdraw amount of money lower limit, valve-closing, and with bidding price adjustment strategy.When there is outside artificial disturbance or uncap to wait influence electric In the case of energy meter, microcontroller turns off operation to built-in relay.

The utility model realizes the intercommunication in short range using near-field communication technology and the cell-phone customer terminal of client, and By mobile Internet by the data information transfer of cell-phone customer terminal to main station system, electric administrative department communication device signal, Unique communication address passively wakes up meter reading, is carried out data transmission according to short distance near field communication protocols.The gold that meter reading main website is issued The data such as volume, unit price, amount lower limit are issued to the utility model by cell-phone customer terminal, and the utility model uploads day, the moon The information such as freezing data, meter state realize the copy reading of real time data to meter reading main website, and Utilities Electric Co. can be achieved in ladder receipts Take.Generating date residential electricity consumption data that microcontroller of the present utility model is issued according to main website, remaining sum, work as user When abnormality occurs in electrical energy metering, this abnormality can be uploaded to main station system for reading meter, at this moment Utilities Electric Co. can retain Evidence directly performs opening operation by remote control to specific user.

Although it is understood that the utility model preferred embodiment is disclosed as above, but above-described embodiment is not used To limit the utility model.For any those skilled in the art, technical solutions of the utility model are not being departed from Under ambit, all using the technology contents of the disclosure above technical solutions of the utility model are made it is many it is possible variation and Modification, or it is revised as the equivalent embodiment of equivalent variations.Therefore, every content without departing from technical solutions of the utility model, according to According to technical spirit of the present utility model to any simple modifications, equivalents, and modifications made for any of the above embodiments, still fall within In the range of technical solutions of the utility model protection.

Claims (5)

1. a kind of portable prepayment meter, it is characterised in that the device includes power supply unit, voltage x current collection list First, built-in relay control unit, memory cell and near field communication controller module, described near field communication controller module bag Include microcontroller and near field communication unit, above-mentioned functions unit with the microcontroller phase in the near field communication controller module Even, and by microcontroller to above-mentioned functions module master control is implemented.

2. a kind of portable prepayment meter according to claim 1, it is characterised in that the near field communication controller Module carries out exchanging for data message by radio communication mode and user mobile phone, and microcontroller part is responsible for examining supply voltage Survey, electric quantity signal is handled, the control of built-in relay driving, and carried out data transmission by radio frequency part.

3. a kind of portable prepayment meter according to claim 1, it is characterised in that the power supply unit is The microcontroller provides electric energy and power supply power-fail or low voltage detection is sent to described microcontroller.

4. a kind of portable prepayment meter according to claim 1, it is characterised in that the voltage x current sampling is single The voltage collected, current data are reached microcontroller by member, then are carried out data transmission by microcontroller near field communications chip, Then data message and acquisition abnormity status information are sent to meter reading master station by mobile communication mode.

5. a kind of portable prepayment meter according to claim 1, it is characterised in that the built-in Control Unit receives the folding order of microcontroller, and charging information or the abnormal state information of collection are reached micro-control by data storage cell Device processed, is reached these information by near-field communication modes by microcontroller the cell phone apparatus of user.