CN202033890U - Interface device for concentrative mass-user electricity meter reader - Google Patents
Interface device for concentrative mass-user electricity meter reader Download PDFInfo
- Publication number
- CN202033890U CN202033890U CN2011201311635U CN201120131163U CN202033890U CN 202033890 U CN202033890 U CN 202033890U CN 2011201311635 U CN2011201311635 U CN 2011201311635U CN 201120131163 U CN201120131163 U CN 201120131163U CN 202033890 U CN202033890 U CN 202033890U
- Authority
- CN
- China
- Prior art keywords
- data
- unit
- meter
- wireless
- communication
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The utility model discloses an interface device for a concentrative mass-user electricity meter reader, which is applicable to places covered by GSM (Global System for Mobile Communications)/GPRS (General Packet Radio Service) or TD-SCDMA (Time Division-Synchronization Code Division Multiple Access) networks and aims at solving the problems that the manual meter reading manner and an IC (integrated circuit) card charging mode are time-saving and effort-saving. The device comprises a control component, an electricity meter variable data receiving component and a wireless communication component, wherein the electricity meter variable data receiving component and the wireless communication component are respectively connected with the control component by an UART (Universal Asynchronous Receiver/Transmitter); and the electricity meter variable data receiving component is used for reading data of an electricity meter with a 485 interface, sending the read data to the control component by the UART, and the control component conducts operation and processing on the data and then sends the data to a GSM/GPRS or TD-SCDMA receiving end by the wireless communication component.
Description
Technical field
The utility model relates to a kind of power electric meter large user remote centralized meter-reading interface arrangement, is applicable to the overlay area of wireless GSM/GPRS or TD_SCDMA network.
Background technology
Current, the meterage management of China's electricity, still manual metering mode and IC-card charging way that main flow adopts.The manual metering i.e. person of checking meter is regularly rushed towards the residential block, and the user is checked meter, adds up and settle accounts out the expense part one by one; IC-card charges, and needs the user to specifying the point of purchase or networking bank to supplement with money for the electricity card, goes home then the remaining sum in each card is brushed respectively in the ammeter, could continue normal the use, if remaining sum uses up and does not in time supplement with money in each table, and then can stop supplies.The efficient of these two kinds of meter reading methods is not high, and is not only time-consuming but also require great effort concerning user and fee collection personnel, not only needs to go hither and thither, and also exists serious potential safety hazard; For administrative authority, the grasp firsthand data that can not be real-time is difficult to the statistical study of the science of carrying out to user's power consumption situation, is unfavorable for science scheduling, and error is big, poor in timeliness, statistical computation workload are big, and has artificial randomness.Along with rapid development of social economy, all drawbacks of existing counting cost by gas meter mode highlight day by day, and a kind of suitable Automatic meter reading system is being sought by administrative authority, progressively improve the mode of existing counting cost by gas meter.
The utility model content
The utility model purpose: the purpose of this utility model is that at above-mentioned weak point providing a kind of can read automatically, the power electric meter large user remote centralized meter-reading interface arrangement of processing and transmission table counting certificate.
Technical scheme: power electric meter large user remote centralized meter-reading interface arrangement described in the utility model adopts remote transmission technology, computer technology and the communication technology to combine, and reads automatically, handles and transmission table counting certificate.Patrol survey by real-time collection, timing, read day part power consumption data, utilize computer system to carry out analysis-by-synthesis then.
Power electric meter large user remote centralized meter-reading interface arrangement described in the utility model, comprise ammeter variable receiving-member, control assembly, wireless communication unit and power management component, one end of ammeter variable receiving-member connects the output terminal of watt-hour meter, the USART interface of other end connection control unit; Wireless communication unit USART interface links to each other with the USART interface of control assembly, is transferred to long-range receiving terminal gathering the watt-hour meter data wireless; Power supply unit is to described ammeter variable receiving-member, control assembly and wireless communication unit power supply;
Described ammeter variable receiving-member comprises RS485 communication receiving element, photoelectricity isolated location; Described RS485 communication interface unit is used to read the watt-hour meter variable; Described photoelectricity isolated location is used for the input and output electric signal is isolated mutually, improves the antijamming capability of this interface arrangement greatly;
Described control assembly comprises processor unit; Described processor unit is used for sending the reception instruction to receiving element, and receiving element receives processor unit and receives instruction, and sends the ammeter data move instruction to watt-hour meter, makes watt-hour meter transmit ammeter data to receiving element; Described processor unit also is used for wireless communication unit and connects, and is used for sending ammeter data transmission order to wireless communication unit, and wireless communication unit receives processor unit and sends order, waits for that processor unit writes data to wireless communication unit and also sends;
Described wireless communication unit comprises wireless transport module unit, SIM card unit; Described wireless transport module unit is used for sending ammeter data to remote terminal; Described SIM card unit is used for improving the mobile Internet service to wireless transmission unit.
Described RS485 communication receiving element is made up of RS485 communication low-power consumption transceiver " U3 " and peripheral circuit thereof, a driver and receiver are contained in its inside, the input end that RO and DI end is respectively the output terminal of receiver and driver connects 2 pin and 14 pin of photoelectricity isolated location respectively, and side a and b is respectively the differential signal end that receives and send; Described photoelectricity isolated location is made up of photoisolator " U2 " and peripheral circuit thereof, photoisolator " U2 " 4 pin send with the USART of control assembly processor unit respectively with 6 pin and link to each other with receiving port, optocoupler excluder " U2 " 6 pin link to each other with the general purpose I/O pin of control assembly processor unit, control RS485 communication interface reiving/transmitting state.
Described processor unit is made up of AVR64 or AVR128 series microprocessor chip " U1 " and peripheral circuit thereof, it links to each other with Asynchronous Serial Interface by universal synchronous respectively with wireless transport module unit, photoelectricity isolated location, and the data line of communication debugging interface J1 links to each other with the jtag interface of microprocessor chip " U1 " through drawing the back on the resistance.
Described wireless transport module unit is made up of Huawei's EM310 GPRS transport module or connection core LC6311 TD_SCDMA transport module " J2 " and peripheral circuit thereof, it links to each other with Asynchronous Serial Interface by universal synchronous with processor unit, described SIM card unit is made up of sim card socket " USIM_CARD " and peripheral circuit thereof, and its SIM_DETECT, SIM_RESET, SIM_CLK, SIM_DATA, SIM_VSIM are connected with wireless transport module cell S IM_DETECT, SIM_RESET, SIM_CLK, SIM_DATA, SIM_VSIM respectively.
Described power management component comprises first power supply unit, second source unit and the 3rd power supply unit; Described first power supply unit is used for RS485 communication receiving element is powered; Described second source unit is used for processor unit is powered; Described the 3rd power supply unit is used for the wireless transport module unit is powered.
Described ammeter variable receiving-member comprises: RS485 communication receiving element; Described RS485 communication receiving element ammeter data fit DL/T 645-2007 " multifunctional electric energy meter communication protocol ", RS485 communication receiving element sends the ammeter data request command to the electric energy meter of selecting by the message frame address territory, after requested electric energy meter receives and reads the electric energy meter data request command, send response frame, comprise the electric energy meter continuous data in the response frame.
Described processor unit and wireless transport module unit comprise:
The wireless-transmission network service module is used for finishing selection configuration and the registration that wireless-transmission network is served according to the wireless-transmission network service that is covered.
Data reception module, be used for data communication with RS485 communication receiving element, data communication meets communication protocol and answers accord with Q/GDW 376.1-2009 " power consumer power information acquisition system communication protocol first: main website and acquisition terminal communication protocol ", RS485 communication receiving element is received the processor unit request data frame, if the data of request are all effective, then send response frame; Data division as request is effective, then organizes the data cell sign to send response frame according to the data content that can respond; As institute's request msg void in whole, then send and deny frame.
Data transmission blocks, be used to send data, receive correct acknowledgement frame when processor unit receives RS485, according to the wireless-transmission network service of wireless transport module unit (ONU) registration, the wireless transport module unit sends to remote monitoring terminal according to the remote terminal number that processor unit requires.
Described processor unit is used to create a plurality of programs and realizes the multiple state processing of checking meter, and a plurality of programs of being created comprise:
The data sampling program, when receive that remote terminal sends read the watt-hour meter data command after, send to watt-hour meter and to transmit the ammeter data instruction, finish sampling to the watt-hour meter data;
The data router, after the program run of data fusion program was normally returned, the data router selected optimum any wireless network services that ammeter data is sent to remote terminal;
Data administrator is used for database is managed, and can store the data of finishing dealing with, and also can finish the inquiry of historical data by data administrator.
The utility model can also further adopt following technical measures:
In control assembly, processor unit mainly is made up of microprocessor chip " U1 "; Crystal oscillator is included in crystal oscillator Y1 (32.768KHz) and crystal oscillator Y2 (7.3728MHz) under the battery saving mode; The data line of JTAG debugging interface J2 links to each other with the jtag interface of microprocessor chip " U1 " through drawing the back on the resistance; The second source unit is obtained+5V voltage by voltage transitions chip " U7 ", obtains microprocessor chip " U1 " operating voltage by voltage transitions chip " U9 " again.
In ammeter variable receiving-member, RS485 communication receiving element mainly is made up of chip " U3 " and chip " U2 "; First power supply unit is obtained+5V voltage by voltage transitions chip " U7 ", is obtained the operating voltage of chip " U3 " again by voltage transitions chip " U5 ".
In wireless communication unit, the wireless transport module unit mainly is made up of the GSM/GPRS of Huawei wireless transport module EM310 or connection core TD_SCDMA wireless transport module LC6311; The SIM card unit mainly is made up of " U6 "; The 3rd power supply unit is obtained the operating voltage of wireless transport module unit by voltage transitions chip " U8 ".
The utility model compared with prior art, its beneficial effect is:
1) the utility model is on the basis of systematically having studied and designed power electric meter large user wireless long-distance meter-reading, design has also been developed a kind of power electric meter large user wireless remote collection and has been copied interface arrangement, efficiently solving the time-consuming problem of effort again that manual metering and IC-card charging way bring, and its cost of investment is low, cost performance is high, real-time is good, safe and reliable, operation and maintenance convenient.
2) because GSM/GPRS and TD_SCDMA have the real-time online characteristic, system does not have time delay, need not the data that taking turn just can receive synchronously, handle a plurality of or all data collection points.Can well satisfy the requirement of system to data collection and transmission real-time.
3) GPRS wide coverage within the coverage of wireless GSM/GPRS network, can be finished control and management that collection is copied.And dilatation is unrestricted, and it is unrestricted to insert the place, can satisfy mountain area, small towns and trans-regional access demand.
4) owing to adopt the wireless public network platform of GSM/GPRS or TD_SCDMA, the equipment that only need install is just passable, do not need for remote meter reading connects up specially, and few, the instant effect of front-end investment, the later stage upgrades, maintenance cost is low;
5) the utility model is because the operating temperature range of each components and parts that adopts is big, the working temperature that makes its device for-20C ° to+70C °, can make the utility model be suitable for the overwhelming majority of countries and the area in the world like this.
6) the utility model is owing to have top 5) described in characteristics, can resist the high humidity of one intensity, high low temperature, dust storm, bump and corrosion etc., greatly strengthened the adaptive faculty of its device under rugged surroundings.
7) the utility model adopts jtag interface that terminal is debugged its device and programming and programming program; Not only can control actuating equipment, can also detect the state of actuating equipment and give notice, its function effectively and reliable.
Description of drawings
Fig. 1 is the utility model power electric meter large user remote centralized meter-reading interface arrangement general principles figure.
Fig. 2 is that the utility model power electric meter large user wireless remote collection is copied the interface arrangement software flow pattern.
Fig. 3 is a control assembly schematic diagram in the utility model device.
Fig. 4 is an ammeter variable receiving-member schematic diagram in the utility model device.
Fig. 5 is that the utility model device is based on GSM/GPRS wireless communication unit schematic diagram.
Fig. 6 is that the utility model device is based on TD_SCDMA wireless communication unit schematic diagram.
Fig. 7 is a power management component schematic diagram in the utility model device.
Embodiment
Below in conjunction with accompanying drawing, technical solutions of the utility model are elaborated, but protection domain of the present utility model is not limited to described embodiment.
A kind of power electric meter large user remote centralized meter-reading interface arrangement that is applied to GSM/GPRS or TD_SCDMA network coverage area, the device The general frame is seen Fig. 1, comprises ammeter variable receiving-member, control assembly, wireless communication unit and power management component.One end of ammeter variable receiving-member connects the output terminal of watt-hour meter, the USART interface of other end connection control unit; Wireless communication unit USART interface links to each other with the USART interface of control assembly, is transferred to long-range receiving terminal gathering the watt-hour meter data wireless; Power supply unit is to described ammeter variable receiving-member, control assembly and wireless communication unit power supply;
Described ammeter variable receiving-member comprises RS485 communication receiving element 1, photoelectricity isolated location 2; Described RS485 communication interface unit 1 is used to read the watt-hour meter variable; Described photoelectricity isolated location 2 is used for the input and output electric signal is isolated mutually, improves the antijamming capability of this interface arrangement greatly;
Described RS485 communication receiving element 1 is made up of RS485 communication low-power consumption transceiver " U3 " and peripheral circuit thereof, a driver and receiver are contained in its inside, the input end that RO and DI end is respectively the output terminal of receiver and driver connects 2 pin and 14 pin of photoelectricity isolated location 2 respectively, and side a and b is respectively the differential signal end that receives and send; Described photoelectricity isolated location 2 is made up of photoisolator " U2 " and peripheral circuit thereof, photoisolator " U2 " 4 pin send with the USART of control assembly processor unit 3 respectively with 6 pin and link to each other with receiving port, optocoupler excluder " U2 " 6 pin link to each other with the general purpose I/O pin of control assembly processor unit 3, control RS485 communication interface reiving/transmitting state.
Described control assembly comprises processor unit 3; Described processor unit 3 is used for sending the reception instruction to receiving element 1, and receiving element 1 receives processor unit 3 and receives instruction, and sends the ammeter data move instruction to watt-hour meter, makes watt-hour meter to receiving element 1 transmission ammeter data; Described processor unit 3 also is used for wireless communication unit and connects, be used for sending ammeter data and send order to wireless communication unit, wireless communication unit receives processor unit 3 and sends order, waits for that processor unit 3 writes data and transmission to wireless communication unit;
In control assembly, processor unit 3 is made up of microprocessor chip U1 and peripheral circuit thereof, and U1 is ATmegal64L or ATmegal128L.Its major function is to read the ammeter variable data that RS485 communication receiving element 1 collects and do verification by serial ports 0, under the correct situation of verification, processor unit 3 writes the wireless transport module unit 4 of wireless communication unit to the data that receive and sends on request.
Function according to realizing at this device can be divided into the microprocessor chip U1 of processor unit 3:
1) serial interface module, its serial line interface 0 links to each other with RS485 communication receiving element 1, is used to receive the ammeter variable data that RS485 communication receiving element 1 collects; Its serial line interface 1 links to each other with wireless transport module unit 4, is used for the ammeter variable data of gathering to wireless transport module unit 4 transmission RS485 communication receiving elements 1.
2) processor cores module, it can reference-to storage, carries out data operation, data check, data-switching, data transmission and handling interrupt.
Wireless communication unit mainly is made up of GSM/GPRS or TD_SCDMA wireless transport module unit 4 and SIM card unit 5.Described wireless transport module unit 4 is used for sending ammeter data to remote terminal; Described SIM card unit 5 is used for improving the mobile Internet service to wireless transmission unit 4.
The UART1_RX of GSM/GPRS or TD_SCDMA chip, UART1_TX link to each other with RXD1, the TXD1 of microprocessor U1 respectively; GSM/GPRS or TD_SCDMA chip SIM_GND, SIM_IN, SIM_RST, SIM_IO, SIM_VCC, SIM_CLK pin link to each other with SIM_GND, SIM_IN, SIM_RST, SIM_IO, SIM_VCC, the SIM_CLK pin of SIM card respectively.
The data line of communication debugging interface J1 links to each other with the jtag interface of microprocessor chip U1 through drawing the back on the resistance, " TCK, TMS, TDO, TDI " pin interconnection between them.It is as the interface that the inner FLASH of microprocessor chip U1 is programmed, and the debugging interface of controlling the U1 operational scheme from hardware.
Described power management component comprises first power supply unit 6, second source unit 7 and the 3rd power supply unit 8.
Second source unit 7 changes direct current regulation circuit for single-phase alternating current, according to two kinds of different direct supply level of needs output of using.After AC power process transformer and the rectifier bridge step-down full-bridge rectification, be converted to first kind of direct supply VCC+5V, be converted to second kind of direct supply VCC+3.3V after the processing through conversion of U2 chip and the follow-up components and parts such as power supply that open the light again through the U1 chip.It is responsible for 3 power supplies of entire process device unit, and the power management component schematic diagram is seen Fig. 7.
First power supply unit 6 for AC power through after transformer and the rectifier bridge step-down full-bridge rectification, be converted to first kind of direct supply VCC+5V through the U1 chip, obtain V485 through U7 again, be 4 power supplies of RS485 communication receiving element.
The 3rd power supply unit 8 adopts single-phase alternating current to change the scheme of direct current regulation circuit, and single-phase alternating current is converted into the VCC+4V direct supply by the U8 chip after the step-down full-bridge rectification, is the wireless communication unit power supply.
Embodiment 1:
Visible Fig. 3 of case study on implementation of the utility model control assembly.It is mainly by processor unit 3, second source unit 7, crystal oscillator, communication debugging interface J1.
Microprocessor chip U1 in the processor unit 3 selects 8 the high-grade microprocessor ATmega64L of high-performance, low-power consumption AVR or the ATmega128L of AT company for use.It has advanced risc architecture, the highest 8MHz frequency of operation, and the arithmetic speed height is finished in the great majority instruction in one-period; 64kFlash or 128kFlash, 4kSRAM and 4kEEPROM in the sheet; Support 6 kinds of sleep patterns such as battery saving mode, power-down mode; Have multiple bus and sufficient IO interface; Has A/D, D/A interface; Wide operating voltage range with 2.7V-5.5V; Has jtag interface with IEEE 1149.1 operating suchs.
The data line of communication debugging interface J1 links to each other with the jtag interface of microprocessor chip U1 through drawing the back on the resistance " R6～R9 ", and its " 1,3,5,9 " pin is connected with " 57,56,55,54 " pin of microprocessor chip U1 respectively.
The second source unit 7 of processor unit 3, adopt single-phase alternating current to change the direct current regulation circuit scheme, after process transformer step-down of single-phase AC voltage and the rectifier bridge full-bridge rectification, be converted into+the 5.0V direct supply through 1 input of U2 chip LM2576-5.0 pin and pin 2 outputs, be converted into+the 3.3V direct supply through 3 inputs of U2 chip SPX1117M3-3.3 pin and pin 2 outputs again, be processor unit 3 power supplies.
Embodiment 2:
Visible Fig. 4 of case study on implementation of the utility model ammeter variable receiving-member, RS485 communication receiving element 1 mainly is made up of U3 chip and peripheral circuit thereof, and the A pin of U3 chip and B pin are the RS485 signal input parts, the external electric energy meter that has 485 interfaces; Photoelectricity isolated location 2 mainly is made up of chip U2 and peripheral circuit thereof, and its pin 16 and pin 4 meet the RXD0 of processor unit 3 respectively, and TXD0, pin 6 connect processor unit 1 general input and output pin, the input and output direction of control RS485 signal; First power supply unit 6 is obtained+5V voltage by voltage transitions chip " U7 ", is obtained the operating voltage of chip " U3 " again by voltage transitions chip " U5 ".
Embodiment 3:
The utility model comprises GSM/GPRS wireless transport module unit 4, SIM card unit 5, the 3rd power supply unit 8 based on visible Fig. 5 of wireless communication unit schematic diagram of GSM/GPRS transport module.
GSM/GPRS wireless transport module unit 4 this programme adopt the EM310 of Huawei wireless transport module, EM310 wireless transport module pin SIM_IN, SIM_CLK, SIM_RST, SIM_VCC, SIM_IO, SIM_GND link to each other with SIM card unit 5SIM_IN, SIM_CLK, SIM_RST, SIM_VCC, SIM_IO, SIM_GND respectively, the 3rd power supply 8 single-phase alternating currents are converted into the VCC+4V direct supply by the U8 chip after the step-down full-bridge rectification, be the wireless communication unit power supply based on the GSM/GPRS transport module.
After this device debugging success, the connection spot welding between each unit interface is dead.
The temperature range of the selected chip of such scheme is as follows: and chip microprocessor chip U1 is-and 55C ° is to+125C °; Photoelectrical coupler U2 chip TLP521 is-55C ° is to+100C °; MAX485 chip U3 is-40C ° is to+85C °; Wireless transport module U9 is-40C ° is to+85C °; Power management component U7, U8, U9 voltage stabilizing chip LM2576-5.0, LM2576-ADJ, SPX1117M3-3.3 be-40C ° is to+120C °.This make whole collection copy terminal can be operated in-40C ° is in+85C ° environment.
Embodiment 4:
Chip and the connected mode selected according to embodiment 1, under the constant situation of control assembly and ammeter variable parts, GSM/GPRS wireless transmission unit 4 is changed into TD_SCDMA wireless transmission unit 4, based on the visible Fig. 6 of TD_SCDMA wireless transmission unit 4 wireless communication unit schematic diagrams, the TD_SCDMA data transmission module adopts connection core LC6311, and LC6311 is a TD-SCDMA/GSM (GPRS) dual-mode wireless module.The inter-network automatic seamless switches between product support TD-SCDMA and gsm system, under the TD-SCDMA standard, supports up-downgoing asymmetric data transmittability, and the up-downgoing message transmission rate can reach 384kbps respectively; Support UART and two kinds of communication interfaces of USB, use more conveniently and flexible, can satisfy the demand of different main control equipments; Adopt the ultrathin design of 2.9mm assembling height, it can conveniently be applied in smart mobile phone and the Various types of data card, inner integrated H.324 protocol stack makes the function of visual telephone realize more simple; Inner integrated ICP/IP protocol can conveniently connect Internet.
Embodiment 5:
According to embodiment 1 or 2 selected chip and connected modes, microprocessor chip functional flow diagram that U1 realizes such as Fig. 2 in the processor unit 3 of above-mentioned control assembly comprise:
As mentioned above, although represented and explained the utility model that with reference to specific preferred embodiment it shall not be construed as the restriction to the utility model self.Under the spirit and scope prerequisite of the present utility model that does not break away from the claims definition, can make various variations in the form and details to it.
Claims (8)
1. power electric meter large user remote centralized meter-reading interface arrangement, it is characterized in that: comprise ammeter variable receiving-member, control assembly, wireless communication unit and power management component, one end of described ammeter variable receiving-member connects the output terminal of watt-hour meter, and the other end connects the USART interface of described control assembly; Described wireless communication unit USART interface links to each other with the USART interface of described control assembly, is transferred to long-range receiving terminal gathering the watt-hour meter data wireless; Described power supply unit is to described ammeter variable receiving-member, control assembly and wireless communication unit power supply;
Described ammeter variable receiving-member comprises RS485 communication receiving element (1), photoelectricity isolated location (2); Described RS485 communication interface unit (1) is used to read the watt-hour meter variable; Described photoelectricity isolated location (2) is used for the input and output electric signal is isolated mutually;
Described control assembly comprises processor unit (3); Described processor unit (3) is used for sending the reception instruction to receiving element (1), and receiving element (1) receives processor unit (3) and receives instruction, and sends the ammeter data move instruction to watt-hour meter, makes watt-hour meter to receiving element (1) transmission ammeter data; Described processor unit (3) also is used for wireless communication unit and connects, be used for sending ammeter data and send order to wireless communication unit, wireless communication unit receives processor unit (3) and sends order, waits for that processor unit (3) writes data and transmission to wireless communication unit;
Described wireless communication unit comprises wireless transport module unit (4), SIM card unit (5); Described wireless transport module unit (4) is used for sending ammeter data to remote terminal; Described SIM card unit (5) is used for improving the mobile Internet service to wireless transmission unit (4).
2. power electric meter large user remote centralized meter-reading interface arrangement according to claim 1, it is characterized in that: described RS485 communication receiving element (1) is made up of RS485 communication low-power consumption transceiver " U3 " and peripheral circuit thereof, a driver and receiver are contained in its inside, RO and DI end are respectively the output terminal of receiver and the input end of driver, connect 2 pin and 14 pin of photoelectricity isolated location (2) respectively, side a and b is respectively the differential signal end that receives and send; Described photoelectricity isolated location (2) is made up of photoisolator " U2 " and peripheral circuit thereof, photoisolator " U2 " 4 pin send with the USART of control assembly processor unit (3) respectively with 6 pin and link to each other with receiving port, optocoupler excluder " U2 " 6 pin link to each other with the general purpose I/O pin of control assembly processor unit (3), control RS485 communication interface reiving/transmitting state.
3. power electric meter large user remote centralized meter-reading key interface device according to claim 1, it is characterized in that: described processor unit (3) is made up of AVR64 or AVR128 series microprocessor chip " U1 " and peripheral circuit thereof, it links to each other with Asynchronous Serial Interface by universal synchronous respectively with wireless transport module unit (4), photoelectricity isolated location (2), and the data line of communication debugging interface (J1) links to each other with the jtag interface of microprocessor chip " U1 " through drawing the back on the resistance.
4. power electric meter large user remote centralized meter-reading key interface device according to claim 1, it is characterized in that: described wireless transport module unit (4) is made up of the EM310GPRS of Huawei transport module or connection core LC6311 TD_SCDMA transport module " J2 " and peripheral circuit thereof, it links to each other with Asynchronous Serial Interface by universal synchronous with processor unit (3), described SIM card unit (5) is made up of sim card socket " USIM_CARD " and peripheral circuit thereof, its SIM_DETECT, SIM_RESET, SIM_CLK, SIM_DATA, SIM_VSIM respectively with wireless transport module unit (4) SIM_DETECT, SIM_RESET, SIM_CLK, SIM_DATA, SIM_VSIM connects.
5. power electric meter large user remote centralized meter-reading interface arrangement according to claim 1 is characterized in that: described power management component comprises first power supply unit (6), second source unit (7) and the 3rd power supply unit (8); Described first power supply unit (6) is used for RS485 communication receiving element (1) is powered; Described second source unit (7) is used for processor unit (3) is powered; Described the 3rd power supply unit (8) is used for wireless transport module unit (4) are powered.
6. power electric meter large user remote centralized meter-reading interface arrangement according to claim 1, it is characterized in that: described RS485 communication receiving element (1) is according to DL/T 645-2007 " multifunctional electric energy meter communication protocol " ammeter data, RS485 communication receiving element (1) sends the ammeter data request command to the electric energy meter of selecting by the message frame address territory, after requested electric energy meter receives and reads the electric energy meter data request command, send response frame, comprise the electric energy meter continuous data in the response frame.
7. power electric meter large user remote centralized meter-reading key interface device according to claim 1 is characterized in that described processor unit (3) and wireless transport module unit (4) comprising:
The wireless-transmission network service module is used for finishing selection configuration and the registration that wireless-transmission network is served according to the wireless-transmission network service that is covered.
Data reception module, be used for data communication with RS485 communication receiving element, data communication meets communication protocol and answers accord with Q/GDW 376.1-2009 " power consumer power information acquisition system communication protocol first: main website and acquisition terminal communication protocol ", RS485 communication receiving element (1) is received processor unit (3) request data frame, if the data of request are all effective, then send response frame; Data division as request is effective, then organizes the data cell sign to send response frame according to the data content that can respond; As institute's request msg void in whole, then send and deny frame.
Data transmission blocks, be used to send data, when receiving RS485, processor unit (3) receives correct acknowledgement frame, according to the wireless-transmission network service of wireless transport module unit (4) registration, wireless transport module unit (4) send to remote monitoring terminal according to the remote terminal number that processor unit (3) requires.
8. power electric meter large user remote centralized meter-reading key interface device according to claim 1 is characterized in that: described processor unit (3) is used to create a plurality of programs and realizes the multiple state processing of checking meter, and a plurality of programs of being created comprise:
The data sampling program, when receive that remote terminal sends read the watt-hour meter data command after, send to watt-hour meter and to transmit the ammeter data instruction, finish sampling to the watt-hour meter data;
The data router, after the program run of data fusion program was normally returned, the data router selected optimum any wireless network services that ammeter data is sent to remote terminal;
Data administrator is used for database is managed, and can store the data of finishing dealing with, and also can finish the inquiry of historical data by data administrator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201311635U CN202033890U (en) | 2011-04-28 | 2011-04-28 | Interface device for concentrative mass-user electricity meter reader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201311635U CN202033890U (en) | 2011-04-28 | 2011-04-28 | Interface device for concentrative mass-user electricity meter reader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202033890U true CN202033890U (en) | 2011-11-09 |
Family
ID=44896179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201311635U Expired - Fee Related CN202033890U (en) | 2011-04-28 | 2011-04-28 | Interface device for concentrative mass-user electricity meter reader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202033890U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102316171A (en) * | 2011-04-28 | 2012-01-11 | 东南大学 | Large-consumer remote centralized meter reading interface device of power meter |
| CN102496123A (en) * | 2011-11-21 | 2012-06-13 | 成都伦力表具有限公司 | Over-the-air recharging method applied to gauge table and over-the-air recharging system thereof |
| CN108010299A (en) * | 2017-12-22 | 2018-05-08 | 武汉宏佳启元科技有限公司 | A kind of ammeter wireless data transfer module based on NB-IOT |
| CN109406871A (en) * | 2018-09-07 | 2019-03-01 | 国网安徽省电力有限公司淮南供电公司 | The data transferring method of metering system built in a kind of ring network cabinet |
-
2011
- 2011-04-28 CN CN2011201311635U patent/CN202033890U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102316171A (en) * | 2011-04-28 | 2012-01-11 | 东南大学 | Large-consumer remote centralized meter reading interface device of power meter |
| CN102316171B (en) * | 2011-04-28 | 2014-01-29 | 东南大学 | Large-consumer remote centralized meter reading interface device of power meter |
| CN102496123A (en) * | 2011-11-21 | 2012-06-13 | 成都伦力表具有限公司 | Over-the-air recharging method applied to gauge table and over-the-air recharging system thereof |
| CN108010299A (en) * | 2017-12-22 | 2018-05-08 | 武汉宏佳启元科技有限公司 | A kind of ammeter wireless data transfer module based on NB-IOT |
| CN109406871A (en) * | 2018-09-07 | 2019-03-01 | 国网安徽省电力有限公司淮南供电公司 | The data transferring method of metering system built in a kind of ring network cabinet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102316171B (en) | Large-consumer remote centralized meter reading interface device of power meter | |
| CN102693615B (en) | Gatherer device of wireless ad-hoc network meter reading system, and operation method | |
| CN202736263U (en) | Collector device of wireless ad hoc network meter reading system | |
| CN205428187U (en) | Water gauge remote monitoring device based on GPRS | |
| CN103792425B (en) | Power measurement system based on wireless network and power-saving method | |
| CN102881052B (en) | A kind of roadside device with solar energy acquisition mechanism | |
| CN201707782U (en) | Intelligent meter reading system based on GPRS (General Packet Radio Service) | |
| CN102194304A (en) | Method and system for wireless concentrated collection and management of energy measurement data | |
| CN102270383A (en) | Remote intelligent meter reading system | |
| CN202838671U (en) | Centralized meter reading terminal supporting remote upgrade and information two-way transmission | |
| CN104318736A (en) | 3G network-based remote intelligent meter reading system with four meters in one | |
| CN207764339U (en) | A kind of overhead type fault locator based on NB-IOT communications | |
| CN202033890U (en) | Interface device for concentrative mass-user electricity meter reader | |
| CN104318734A (en) | Novel remote meter reading system | |
| CN105277785A (en) | Internet-of-things-based 3G intelligent electric meter system | |
| CN103152427A (en) | Remote wireless meter-reading control method | |
| CN204758062U (en) | Intelligent teletransmission gas of thing networking table | |
| CN202120433U (en) | Meter reading system | |
| CN2924671Y (en) | Community automatic meter-reading system | |
| CN107328992A (en) | A kind of power information collection monitoring system based on cloud | |
| CN104200634A (en) | GPRS (General Packet Radio Service) relay of remote ammeter reading system | |
| CN208539935U (en) | A kind of electric quantity metering and monitoring device of energy-storage battery | |
| CN203204843U (en) | Wireless handheld traffic signal secret service control device | |
| CN205428177U (en) | Automatic data logging system based on zigBee | |
| CN203966318U (en) | Wireless composite kilowatt meter reading-out system based on Internet of Things |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20150428 |
|
| EXPY | Termination of patent right or utility model |