CN207833689U - A kind of low-voltage collecting meter reading terminal taiwan area family change relation recognition module - Google Patents

Abstract

This application provides a kind of low-voltage collecting meter reading terminal taiwan area families to become relation recognition module, which includes：Main control unit, communication module, acquisition module, memory module, identification module, clock circuit and crystal oscillating circuit, main control unit are connect with communication module, acquisition module, memory module, identification module, clock circuit and crystal oscillating circuit respectively.The utility model has the communication of power carrier line and two kinds of communication modes of telecommunication, and circuit design is reliable and stable, Software for Design clear logic.Module is automatically performed the communication of data, acquisition, identification, storage, transmits whole process, does not need personnel's operation.Can it is accurate, stablize, automatic, intelligent recognition family becomes relationship, the human input that family becomes relation recognition work is reduced, solves that existing equipment operating process is cumbersome, the administrative burden that a large amount of personnel lead to power supply enterprise is needed to increase, artificial accuracy rate is low, slow-footed problem.

Description

A kind of low-voltage collecting meter reading terminal taiwan area family change relation recognition module

Technical field

Become relation recognition building block technique field this application involves family more particularly to a kind of change of low-voltage collecting meter reading terminal taiwan area family is closed It is identification module.

Background technology

With the rapid development of national economy and electric utility, Every household has an ammeter, and system has become basically universal, due to people's lives matter The promotion of the raising and the commercial house purchasing power of amount, the quantity of residential area is growing day by day, and the range that residential area is crossed over also is got over Come bigger.Since the archives material of electric company's taiwan area is inaccurate, after some circuit taiwan areas are transformed, the shelves in marketing system Case information is not corrected in time, power circuit drawing achieve it is of the remote past cause user's affiliated feeder line the problems such as to obscure, from And lead to difficulty during the field conduct of unit-area management, it is therefore desirable to could quickly clear taiwan area relationship by equipment and instrument.

It is as follows that existing low-voltage collecting meter reading terminal taiwan area family becomes relation recognition apparatus operation method：(1) operating personnel arrive first master It stands and exports the family change relationship archive information of taiwan area manually, as basic data.(2) operating personnel with taiwan area identification equipment to existing Field carries out per user test.(3) manually by comparing basic data and test result data, to which artificial correction family becomes relationship Archives.(4) family after corrigendum is manually become into relationship archive information and imported into main website.

Existing family, which is can be seen that, from the above operating process becomes relation recognition instrument and equipment in family change relation recognition process In, each link is required for personnel to participate in so that the administrative staff and site operation personnel of taiwan area also accordingly increase, and increase confession The administrative burden of electric enterprise；Flow is also comparatively laborious, it is also possible to which operation error occur leads to data error；Urban architecture and municipal administration It plans reason, connects house lead in and install in batches mostly, and the period crossed over is longer, overhead line and buried cable are built mostly It builds object to be blocked, some cablings are in disorder, the intersection of especially several taiwan areas, and there are crossover phenomenons, can not be by manually observing Determination connects the affiliated transformer platform area of house lead in, can only do so the power failure hand fulfiled by the method for " electrical verification of operating a switch " to determine Continuous complexity, can also have an impact residential electricity consumption, especially some enterprises, the important unit such as municipal sector；Power supply enterprise into Row supply line repair and maintenance, when handling the power outage of some bursts, mainly by manually observing, such accuracy rate is low, speed Degree is slow, can not belong to taiwan area in the short time and effectively be judged.

Utility model content

This application provides a kind of low-voltage collecting meter reading terminal taiwan area families to become relation recognition module, to solve existing equipment operation stream Journey is cumbersome, and a large amount of personnel is needed to participate in that the administrative burden of power supply enterprise is caused to increase, and artificial accuracy rate is low, slow-footed to ask Topic.

The module includes：Main control unit, communication module, acquisition module, memory module, identification module, clock circuit and crystalline substance Shake circuit,

The main control unit respectively with the communication module, the acquisition module, the memory module, the identification mould Block, the clock circuit are connected with the crystal oscillating circuit.

Optionally, the communication module includes：Power Line Carrier Communication Module and remote communication module.

Optionally, the acquisition module includes：Power-off event acquisition module, zero passage collection apparatus module, base profile number Become relation recognition data acquisition module according to acquisition module and family.

Optionally, the memory module includes：Short term memory unit and long-term storage locations.

Optionally, the short term memory unit includes：Power-off event data storage cell and the storage of zero passage characteristic are single Member.

Optionally, the long-term storage locations include：Initial parameter data storage cell, driving data storage unit, base Plinth file data storage unit and family become relation recognition data storage cell.

Optionally, the identification module includes：Family based on zero passage feature becomes relation recognition module and is based on outage information Family become relation recognition module.

Optionally, which further includes power circuit, the power circuit respectively with the main control unit, the communication mould Block, the acquisition module, the memory module, the identification module, the clock circuit, crystal oscillating circuit connection.

Technical solution provided by the present application includes following advantageous effects：

The application has the communication of power carrier line and two kinds of communication modes of telecommunication, and circuit design is reliable and stable, software Design logic is clear.Module be automatically performed base profile data acquisition, the acquisition of zero passage characteristic, power-off event acquisition of information, Based on zero passage characteristic and power-off event information data calculate family become relationship, generate identification after family become relation data, will more Family after new becomes the whole process that relation data uploads to the family change relation recognition of main station system, does not need personnel's operation.The application Identification family that not only can be accurate, stable, automatic, intelligent becomes relationship, while also reducing family and becoming the manpower that relation recognition works Input, solves that existing equipment operating process is cumbersome, and a large amount of personnel is needed to participate in that the administrative burden of power supply enterprise is caused to increase, Artificial accuracy rate is low, slow-footed problem.

Description of the drawings

In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor, Other drawings may also be obtained based on these drawings.

Fig. 1 is that a kind of low-voltage collecting meter reading terminal family provided by the embodiments of the present application becomes relation recognition module diagram.

Fig. 2 is Power Line Carrier Communication Module schematic diagram provided by the embodiments of the present application.

Fig. 3 is remote communication module schematic diagram provided by the embodiments of the present application.

Fig. 4 is the embodiment of the present application power circuit electrical schematic.

Reference sign：

1, main control unit；2, communication module；21, remote communication module；22, Power Line Carrier Communication Module；211, long-range Communication unit；212, antenna；221, modulation-demodulation circuit；222 filter circuits；223, termination power；3, acquisition module；31, stop Electric event acquisition module；32, zero passage collection apparatus module；33, base profile data acquisition module；34, family becomes relation recognition number According to acquisition module；4, memory module；41, short term memory unit；42, long-term storage locations；5, identification module；51, it is based on zero passage The family of feature becomes relation recognition module；52, the family based on outage information becomes relation recognition module；6, clock circuit unit；7, brilliant Shake circuit.

Specific implementation mode

This application provides a kind of low-voltage collecting meter reading terminal taiwan area families to become relation recognition module, which includes：Main control unit 1, communication module 2, acquisition module 3, memory module 4, identification module 5, clock circuit 6 and crystal oscillating circuit 7.

Main control unit 1 be used for handle data and input point information and edit by us and import software progress operation obtain Output order is sent to result.Core for becoming relation recognition module 5 herein as low-voltage collecting meter reading terminal family is born Blame program operation, and by various parallel interfaces respectively with communication module 2, acquisition module 3, memory module 4, identification module 5 and Crystal oscillating circuit 7 is communicated into row data communication, and by serial line interface with clock circuit 6.By whole business function, scheduling is each Function module, it is final to realize that family becomes relation recognition function.The part is made of master chip circuit, and master chip dominant frequency is 1.3GHz, Four cores.

Communication module 2 includes：Power Line Carrier Communication Module 22 and remote communication module 21.

Power line carrier communication refers to utilizing existing power line, will be simulated by carrier system or digital signal carries out height The technology of speed transmission.The communication of power carrier line, as long as live wire, can carry out data transfer with that need not set up network again Advantage.

Power Line Carrier Communication Module 22 is used to that remote automatic meter reading, remote control ammeter drawing to may be implemented in the application Lock, real-time query user power consumption, ammeter dosage group are copied or are selected individually copy reading, can combine as a whole with toll collection system, according to electricity Peak interval of time segmentation electricity price, at times meter reading and the charging of net load, reduce human cost and management at the illegal electricity stealing of control Cost, the historical data for automatically saving copy reading, statistics ammeter data, analysis electricity consumption rule estimate line loss and are measured by ammeter to miss Standard is led to using 4G the whole networks from damage, distribution system assessment, power supply quality detection and load management, mode caused by poor, it is main It is used for main website into row data communication.

As shown in Fig. 2, Power Line Carrier Communication Module 22 includes modulation-demodulation circuit 221, filter circuit 222, coupling electricity Road 223, main control unit 1, modulation-demodulation circuit 221, filter circuit 222 and termination power 223 are sequentially connected, and being mainly responsible for will be logical Letter data is coupled to be transmitted and demodulate on power line after being modulated couples the data to come by power line.

Modulation-demodulation circuit 221 is the data-signal that should not will in the channel transmit by modulation by the frequency spectrum shift of signal It is transmitted in the frequency range of suitable channel and noise characteristic, receiving terminal again demodulates modulated signal, recovers original Carry out the circuit of data.

Optionally, it is orthogonal frequency division multiplexi that the application, which uses OFDM modulation demodulation systems, OFDM modulation demodulation systems, Belong to one kind of multi-carrier modulation, main thought is：Several orthogonal sub-channels are broken a channel into, high-speed data signal is converted At parallel low speed sub-data flow, it is modulated to and is transmitted on each of the sub-channels.Orthogonal signalling can be by adopting in receiving terminal It is separated with the relevant technologies, interfering with each other between subchannel can be reduced in this way.Signal bandwidth on per sub-channels is less than The correlation bandwidth of channel, therefore can regard flatness decline as on every sub-channels, so as to eliminate intersymbol interference.And And since the bandwidth of every sub-channels is only the sub-fraction of former channel width, channel equalization becomes relatively easy.

The application uses OFDM modulation demodulation systems frequency range for 2~12MHz, traffic rate 100kps~25Mbps, transmitting Level：17.6dBm/10MHz@100ohm receive dynamic range：-70dBm—25dBm.Select the OFDM modulation /demodulation of this parameter Mode has the advantage that：1, a large amount of data can be also sent out under narrow band bandwidth；2, OFDM technology can be supervised continuously The suddenly change for controlling communication characteristic on transmission medium, since the ability that communication path transmits data can change at any time, institute It is adapted therewith with OFDM dynamics, and is switched on and off corresponding carrier wave to ensure to be continued for successfully to communicate； 3, which specific carrier wave is the technology can automatically detect under transmission medium there are the decaying of high signal or disturbing pulse, Then suitable modulation measure is taken to make the carrier wave under assigned frequency carry out success communication；4, OFDM technology is particularly suitable for using In high-rise, resident area that is intensive and geographically outstanding local and disseminating signal；5, the maximum of OFDM technology Advantage is contrary frequency Selective intensity or narrowband interference.In single-carrier system, single decline or interference can result in entirely Communication link fails, but in multi-carrier systems, only very small part carrier wave can be interfered.Also to these subchannels Error correcting code may be used to carry out error correction；6, the interference that can be effective against between signal waveform suitable for multi-path environment and declines Fall the high speed data transfer in channel；7, by the combined coding of each subcarrier, there is very strong anti-fading ability；8、OFDM The anti-narrowband interference of technology is very strong；9, the OFDM implementation methods based on IFFT/FFT can be selected；10, channel utilization is very high.

The effect of filter circuit 222 is substantially " frequency-selecting ", that is, the signal of a certain component frequency is allowed to pass through, and is made The signal sharp-decay of another part frequency.

Optionally, filter circuit 222 can be divided into：Low-pass filter circuit, high-pass filtering circuit, bandwidth-limited circuit and band Hinder filter circuit.The application selects bandwidth-limited circuit, can be by the frequency component in a certain frequency range, by other ranges Frequency component decay to extremely low level, band logical frequency range is 1~13MHz, and attenuation outside a channel is not less than 40dBm.

Termination power 223 realizes the transmission of energy and signal, is mainly used for coupling a signal to power line or induction connects Receive the signal of power line.

Optionally, coupled modes are divided into：Direct coupling system, resistance coupling method, transformer coupled mode and photoelectricity coupling Conjunction mode.

Direct coupling system is that the output end of previous stage is directly connected to the input terminal of rear stage, this coupled modes tool There is good low frequency characteristic, the slow signal of variation can be amplified；Due to not having large bulk capacitance in circuit, it is easy to whole electricity Road is integrated in piece of silicon on piece, constitutes integrated circuit.

Resistance coupling method is that the prime output end of amplifying circuit is connected to rear class input terminal by capacitance, due to capacitance pair The reactance of DC quantity be infinity, thus Resistance and Capacitance Coupled Amplification Circuit it is at different levels between DC channel be not communicated with, static state at different levels Operating point is mutual indepedent；As long as frequency input signal is higher, coupled capacitor capacity is larger, and the output signal of prime can almost not have There is the input terminal for being damply transmitted to rear class.Therefore, resistance coupling method obtains very extensive answer in discrete component circuit With.

Transformer coupled mode is that the output end of amplifying circuit prime is connected to the input terminal of rear class by transformer or is born It carries on resistance, impedance transformation may be implemented in this coupled modes, thus is answered extensively in discrete component power amplification circuit With.

Photoelectric coupling mode is to combine light-emitting component with light-sensitive element mutually insulated, and operation principle is：Hair Optical element is input circuit, it converts electric energy to luminous energy；Light-sensitive element is output loop, it by luminous energy reconvert at electric energy, The electrical isolation for realizing two parts circuit, so as to effectively inhibit electrical interference.With small, long lifespan, contactless, anti- Interference performance is strong, can insulating noise, operating temperature it is wide, be electrically insulated between input and output, one-way transmission signal and logic circuit are easy The advantages of connection.

The application uses resistance coupling method, by the discrete element group such as X capacitances and coupling transformer in 0~13MHz frequencies Loss of signal is not higher than 0.5dBm in section.

Telecommunication refers to being passed by using the data that analog or digital signal modulation technique carries out between the system of connection It is defeated.

Optionally, telecommunication includes：GPRS is communicated and Modem dialcoms.

GPRS communication objective is the data service for being provided for GSM user block form, especially suitable for intermittent, sudden And frequent, a small amount of data transmission, be also applied for big data quantity transmission once in a while.Its advantage has：Client is without being each Calling connection is established in the access of data；High-speed transfer；Charge on traffic, client can be always on.

The connection of Modem is mainly including communication line connection, power supply connection, the connection of data line in Modem dialcoms. Its advantage is：Expense is relatively low, applied widely, and equipment is simple.

As described in Figure 3, remote communication module 21 includes telecommunication unit 211 and antenna 212, and main control unit 1 remotely leads to Letter unit 211 and antenna 212 are sequentially connected, and are mainly responsible for and are carried out telecommunication with main website.

Antenna 212 is a kind of converter, it is transformed into the guided wave propagated on transmission line to be propagated in unbounded medium Electromagnetic wave, or carry out opposite transformation.It is every to use electromagnetic waves to transmit information, antenna 10 is depended on to work. It is mainly used for enhancing the radianting capacity of the signal of telecommunication unit.

Optionally, antenna 212, which divides, is：Communication antenna, broadcast antenna, television antenna, radar antenna, omnidirectional antenna, orientation The antennas such as antenna, very low frequency antenna, long-wave antenna, medium-wave antenna, short-wave antenna, wire antenna, surface antenna.The application selected frequency Ranging from 1710~2700MHz, the reversal of polarization are vertical polarization, gain 2.5dBi, the antenna 10 that impedance is 50 ohm, side Tropism is good, antenna can be in good impedance matching with feeder line.

Acquisition module 3 includes：Power-off event acquisition module 31, zero passage collection apparatus module 32, the acquisition of base profile data Module 33 and family become relation recognition data acquisition module 34.

Power-off event acquisition module 31 mainly passes through power wire broadband carrier communication and concentrator module and meter module Power-off event information is obtained, and is stored data in power-off event data module.

Zero passage collection apparatus module 32 is mainly obtained by power wire broadband carrier communication and concentrator module and ammeter film Zero passage characteristic information is taken, and characteristic information data is stored in zero passage characteristic module.

Base profile data acquisition module 33 mainly obtains basic family by telecommunication mode and main website and becomes relationship shelves Case information, and store data in basic data module.

Family becomes relation recognition data acquisition module 34 and family change relation recognition data is mainly uploaded to master by telecommunication It stands system.

Memory module 4 includes：Short term memory unit 41 and long-term storage locations 42.

Short term memory unit 41 is mainly used to store power-off event data and zero passage characteristic, main control unit 1 carry out base In the family of zero passage feature, change relation recognition calculates and the family based on outage information becomes relation recognition and calculates.Short term memory unit 41 It is made of memory chip circuit, memory chip capacity is 2GB.

Long-term storage locations 42 are made of storage chip circuit, memory capacity 16GB, and long-term storage locations 42 are mainly used Come storing initial parameter, driving, base profile data, family change relation recognition data.

Identification module 5 includes：Family based on zero passage feature becomes relation recognition module 51 and the family based on outage information becomes pass It is identification module 52.

Family based on zero passage feature becomes relation recognition module 51 mainly by analyzing the zero passage characteristic of data Layer, meter It calculates corresponding family and becomes relationship, and the family after calculating is become into relation data and is stored in family change relation recognition data module.

Family based on outage information becomes relation recognition module 52 mainly by analyzing the power-off event information data of data Layer, It calculates corresponding family and becomes relationship.And the family after calculating is become into relation data and is stored in family change relation recognition data module.

Clock circuit 6 is mainly by clock generator chip, 14.368MHz crystal oscillators, resonant capacitance limit stream row resistance, electricity The elements such as appearance are constituted, and are mainly used for accurately calculating the time, be communicated with main control unit 1 by I2C interface, when can be arranged current Between, read current time, power consumption is extremely low, band temperature compensation function.

Optionally, clock chip includes：DS1302, DS1307, PCF8485, these chip interfaces are simple, it is cheap, It is easy to use, it is widely adopted.

Crystal oscillating circuit 7 is used to combine phase-locked loop circuit, generates clock frequency necessary to main control unit 1, main control unit 1 The execution of all instructions is all built upon on the basis of this, and the clock frequency that crystal oscillating circuit 7 provides is higher, the operation of main control unit 1 Speed is also faster.

Optionally, crystal oscillating circuit 7 divides for active crystal oscillating circuit and passive crystal oscillating circuit.Passive crystal oscillating circuit is exactly a crystalline substance Body, itself cannot be vibrated, and be worked by other IC internal oscillator circuits are coordinated；Active oscillator circuitry is crystal and oscillating circuit envelope It is fitted together, powering on just has waveform output.

It is 2ppm that the application, which selects active crystal oscillating circuit, crystal precision, carries temperature compensation function.Active crystal oscillating circuit is not Internal oscillator is needed, signal quality is good, more stable, and connection type is relatively easy, does not need complicated configuration circuit.

As shown in figure 4, optional, which further includes power circuit, power circuit respectively with main control unit 1, communicate mould Block 2, acquisition module 3, memory module 4, identification module 5, clock circuit 6, crystal oscillating circuit 7 connect, and are used for main control unit 1, lead to Believe that module 2, acquisition module 3, memory module 4, identification module 5, clock circuit 6, crystal oscillating circuit 7 are powered.

Optionally, selection input AC electricity 220V~380V in the application, output voltage are 3.3V and 5V, output current The power circuit of 5A.

The application has the communication of power carrier line and two kinds of communication modes of telecommunication, and circuit design is reliable and stable, software Design logic is clear.Module be automatically performed base profile data acquisition, the acquisition of zero passage characteristic, power-off event acquisition of information, Based on zero passage characteristic and power-off event information data calculate family become relationship, generate identification after family become relation data, will more Family after new becomes relation data and uploads to the whole process that main station system family becomes relation recognition, does not need personnel's operation.The application is not But identification family that can accurately, stable, automatic, intelligent becomes relationship, while also reducing the manpower that family change relation recognition works and throwing Enter, solve that existing equipment operating process is cumbersome, and a large amount of personnel is needed to participate in that the administrative burden of power supply enterprise is caused to increase, people Work accuracy rate is low, slow-footed problem.

It should be noted that such as the terms "include", "comprise" or its any other variant are intended to nonexcludability Include but also include not bright so that article or equipment including a series of elements include not only those elements The other element really listed, or further include for elements inherent to such a process, method, article, or device.Do not having In the case of more limitations, the element that is limited by sentence "including a ...", it is not excluded that including the element process, There is also other identical elements in method, article or equipment.

The above is only the specific implementation mode of the application, is made skilled artisans appreciate that or realizing this Shen Please.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein General Principle can in other embodiments be realized in the case where not departing from spirit herein or range.Therefore, the application It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest range caused.

It should be understood that the application is not limited to the content for being described above and being shown in the accompanying drawings, and can To carry out various modifications and change without departing from the scope.Scope of the present application is only limited by the accompanying claims.

Claims (8)

1. a kind of low-voltage collecting meter reading terminal taiwan area family becomes relation recognition module, which is characterized in that the module includes：Main control unit (1), communication module (2), acquisition module (3), memory module (4), identification module (5), clock circuit (6) and crystal oscillating circuit (7),

The main control unit (1) respectively with the communication module (2), the acquisition module (3), the memory module (4), described Identification module (5), the clock circuit (6) and the crystal oscillating circuit (7) connection.

2. a kind of low-voltage collecting meter reading terminal taiwan area family according to claim 1 becomes relation recognition module, which is characterized in that described Communication module (2) includes：Power Line Carrier Communication Module (22) and remote communication module (21).

3. a kind of low-voltage collecting meter reading terminal taiwan area family according to claim 1 becomes relation recognition module, which is characterized in that described Acquisition module (3) includes：Power-off event acquisition module (31), zero passage collection apparatus module (32), base profile data acquisition module Block (33) and family become relation recognition data acquisition module (34).

4. a kind of low-voltage collecting meter reading terminal taiwan area family according to claim 1 becomes relation recognition module, which is characterized in that described Memory module (4) includes：Short term memory unit (41) and long-term storage locations (42).

5. a kind of low-voltage collecting meter reading terminal taiwan area family according to claim 4 becomes relation recognition module, which is characterized in that described Short term memory unit (41) includes：Power-off event data storage cell and zero passage characteristic storage unit.

6. a kind of low-voltage collecting meter reading terminal taiwan area family according to claim 4 becomes relation recognition module, which is characterized in that described Long-term storage locations (42) include：Initial parameter data storage cell, driving data storage unit, the storage of base profile data are single Member and family become relation recognition data storage cell.

7. a kind of low-voltage collecting meter reading terminal taiwan area family according to claim 1 becomes relation recognition module, which is characterized in that described Identification module (5) includes：Family based on zero passage feature becomes relation recognition module (51) and the family based on outage information becomes relationship and knows Other module (52).

8. a kind of low-voltage collecting meter reading terminal taiwan area family according to claim 1 becomes relation recognition module, which is characterized in that the mould Block further includes power circuit, the power circuit respectively with the main control unit (1), the communication module (2), the acquisition mould Block (3), the memory module (4), the identification module (5), the clock circuit (6), the crystal oscillating circuit (7) connection.