CN2710261Y - Multifunction hand terminal apparatus for power network monitoring management system - Google Patents

Abstract

The utility model relates to a multifunction hand terminal apparatus for power network monitoring management system, which is characterized in that the utility model is composed of a central processing unit, an auxiliary processing unit of the central processing unit, a buzzer alarming module unit, a FLASH memory unit, an LCD touch screen unit, an LCD unit, an LCD backlight circuit unit, a serial port RS 232, an infrared communication and a supply selection and serial communication selection unit; the system comprises 'a work attendance check apparatus module, a reader copier module, a patrol detector module and a GPS timing', and can joins with such exiting various business systems of the user effectively as various electric force information management systems, etc., so that various electric force mechanism systems at each level can adapt the rapid adjusting and reforming requirements of electric force business, support the personality and characteristic of electric force business and reduce the cost of developing, implementing and maintenance.

Description

The Multifunction hand terminal that is used for the electric power networks monitoring management system

Technical field

The utility model relates to power system, multi-functional in holding terminating machine especially for the electric power networks monitoring management system.

Prior art

Aspect the electrical power services software systems, domestic product is based on the application software of the management nature of PC system substantially on hardware. The characteristics of rising are function singlenesses, as: a cover software is only supported the data statistics of the electricity charge, and will be used for adding up the data of patrolling and examining the special software of a cover will be installed in addition. Do not guarantee instantaneity aspect data management, network function is limited to.

Work attendance: need the equipment such as personnel record or use attendance recorder. Do not support outlying district electric power worker's attendance. Need to manually carry out statistical work.

Patrol and examine: manual record, in time feed back on-site information can not be got rid of staff's the impact on work quality, and for the basic data of being patrolled thing such as position, being patrolled time etc. needs Provision in advance.

Check meter: the special messenger carries out paper, notes record, manually adjusts relevant data, can not be in time to administrative department's feedback user ammeter information. Consult the subscriber data difficulty.

Electric industry book (employee rating): need to organize special training, electric power worker learning materials are difficult to tissue. Worker's study has limitation.

At present, the service provider of domestic power industry product, and a part of electrical management unit at the application product of positive exploitation correlation function, but see that on the whole function is all more single, do not possess continuity as a project. Industry requirement based on these functions has formed the intrinsic thoughtcast of a cover, uses exactly certain function just with equipment or the software of relevant this function, does not consider the integrated of function and strengthens.

The utility model content

The purpose of this utility model is to provide the Multifunction hand terminal that be used for electric power networks monitoring management system of a kind of integrated multi-functional in one, thereby realizes the office automation of power industry.

The purpose of this utility model is achieved in that a kind of Multifunction hand terminal for the electric power networks monitoring management system, it is characterized in that: be by central processing unit and auxiliary processing unit, buzzer warning modular unit, FLASH memory cell, liquid crystal touch screen unit, LCD unit, liquid crystal back light circuit unit, serial ports RS232 and infrared communication unit and power supply selection and serial communication selected cell; Wherein, Central processing unit and auxiliary processing unit are connected with buzzer warning modular unit, FLASH memory cell, liquid crystal touch screen unit, LCD unit, liquid crystal back light circuit unit, serial ports RS232 and infrared communication unit respectively; Serial ports RS232 selects to be connected with the serial communication selected cell with infrared communication unit and power supply; Power supply is selected to be connected with GPS modular unit, GPRS communication module unit and RF modular unit with the serial communication selected cell and is connected.

It is MC68EZ328 that-described central processing unit (CPU) and auxiliary processing unit are selected the model of chip, and the model of extended chip is SM5K4.

-described FLASH memory cell is that FLASH memory and a model of being 29LV324B by two models FLASH memory that is 29LV800B and model are that the SRAM76G8128 buffer storage consists of.

-described buzzer warning modular unit is to be made of triode, buzzer and resistance; The colelctor electrode of triode connects positive source by resistance, and buzzer is connected to respectively between the colelctor electrode and signal input part of triode; The base stage of triode connects signal input part by resistance; The signal input part of buzzer warning modular unit is connected with the PWM0/PB7 port of CPU (CPU) MC68EZ328.

-described serial ports RS232 and infrared communication unit are the module compositions of the transceiver of interface and infrared communication, con2 is the interface of serial ports RS232, by serial communication, realize the transfer of data of PC and electric power networks monitoring management system Multifunctional handhold terminal, the download of program; The model of the module of the transceiver of infrared communication is HSDL-3201, can realize transfer of data between the electric power networks monitoring management system Multifunctional handhold terminal, each wiring UART/RXD by HSDL-3201, UART/TXD, VDD, PD2, PD7, PF0, PF5, VBAT, AD_IN, UART_CNTL, RTS, CTS are connected to the each point corresponding of the same name of central processing unit (CPU) and auxiliary processing unit.

-described liquid crystal back light circuit unit is to be made of Control of Voltage output module D355A, D355A is Control of Voltage output IC, EL is connected to the LCD backlight lamp, EL-CNTL is connected to the CPU MC68EZ328 interface PB6 in central processing unit (CPU) and the auxiliary processing unit, makes CPU MC68EZ328 control D355A then control to the power supply of LCD backlight lamp.

-described liquid crystal touch screen unit is to be connected to liquid crystal touch screen by interface CON5, and terminal X-L, X-R, Y-T and Y-U are connected respectively to the each point corresponding of the same name of central processing unit (CPU) and auxiliary processing unit.

-described LCD unit is each terminal corresponding of the same name that is connected respectively to central processing unit (CPU) and auxiliary processing unit by the Interface Terminal on the interface CON1.

The power supply circuits of-described flash memory 29LV800B are to be made of two triodes and resistance; The base stage of triode Q10 connects the colelctor electrode of triode Q11, and the base stage of Q11 connects this port of FLASH WRITE port by resistance R 29 and is connected with the A23PF6 port of central processing unit (CPU) and auxiliary processing unit.

-described liquid crystal device unit power-supply circuit, its VBAT connecting terminals is received the positive pole of battery, by inductance L 5, feed regulator isolator ICXC6372 and diode D4 obtain constant voltage (+3V), the CSC0/PB2 port of central processing unit (CPU) and auxiliary processing unit is connected with the LCD POW_ENABLE port of liquid crystal device unit power-supply circuit; Then control the power supply of liquid crystal, LCD_OSC_ON, PD3, PD4, the PE3 port of central processing unit (CPU) and auxiliary processing unit are connected with the port of the same name of liquid crystal device unit power-supply circuit respectively simultaneously; Then control the given voltage VEE of liquid crystal, and component voltage V1, V2, V3 and V4, the contrast that adjustable liquid crystal display shows.

-described power supply selection and serial communication selected cell and GPS modular unit, GPRS modular unit and RF modular unit are to be made of following circuit:

(A): the lithium cell charging module, its VBX port connects the 5V dc source that the outside provides, and J2A connects lithium battery, can realize constant current, constant-voltage charge, is full of automatic cut-out, the light prompting; BQ2057 is charging IC, and resistance R x1-Rx7 plays the electric current regulating action, the size of control charging current, and conducting and the cut-out of triode 2SB1132 control charging, the LED1 charactron is the light indication;

(B): interface circuit is to connect power supply selection and serial communication selected cell and central processing unit (CPU) and auxiliary processing unit, and the expansion that mainly contains serial communication and I/O mouth is used; U8 is a voltage detecting circuit, and it is connected with the port of the same name of CPU by the PF5 port, and CPU controls subsequent conditioning circuit then by the level variation of PD2 and the control of PE6 output high-low level A, B simultaneously;

(C): commutation circuit is to select 1 analog switch 74HC4052 to consist of by 4 of two or four decoder HC139 and a binary channel; Port A, B by HC139 are connected with the PE6 port with the PD2 of CPU, the output height of cpu instruction control PD2 and PE6, the output level of the Y0-Y3 of the HC139 that the height control level of control A, the B mouth of pipe is controlled then and the analog channel of analog switch 74HC4052;

(D): the GPS modular unit is comprised of power pack and the GPS module section of GPS; Wherein the model of GPS module be E4S39680 its be connected with RX2, the TX2 port of commutation circuit respectively by port RX2, TX2; The power pack of GPS is to be made of Voltage-output chip R1170H33b and triode P3, the base stage of triode is connected with the EV3 port of two or four decoder HC139 in the commutation circuit by port EV3, the colelctor electrode of triode is connected with the input utmost point of Voltage-output chip R1170H33b, and the output P3V3 of Voltage-output chip R1170H33b is connected with the power input P3V of GPS module;

(E): the RF modular unit is partly to be made of the power pack of RF wireless communication module and RF wireless communication module; RF wireless communication module MTP-125K4 is connected with the RX1 port of commutation circuit by port RX1; The power pack of RF wireless communication module is to be made of Voltage-output chip XC6371A501pPR and triode P2, the base stage of triode is connected with the EV5 port of two or four decoder HC139 in the commutation circuit by port EV5, the colelctor electrode of triode is connected with the input utmost point of Voltage-output chip XC6371A501pPR, and the output P5V of Voltage-output chip XC6371A501pPR is connected with the power input P5V of GPS module;

(F): GPRS communication module unit, it is connected with RX3, the TX3 port of analog switch in the commutation circuit respectively by port RX3, TX3.

Electric power networks monitoring management system Multifunction hand terminal is to utilize original PDA technology, make it and GPS (GPS), non-contact radio-frequency system are hooked together, for some specific demands of other industries such as electric power, and exploitation is put into effect. The utility model is unique several systems to be dissolved in together design at present, and especially GPS module, radio-frequency module and PDA articulate coding, make code efficiency reach the highest, is high-performance, high reliability, cheaply the distribution network communication technology and product. Key technology is a PDA (palm PC), GPS (global positioning satellite), K4 (radio-frequency technique) hardware combinations together, adds that the software of developing for the specific (special) requirements of power industry combines. The main application of project is patrolled and examined and during the satellite school etc. at the satellite fix of the checking meter of power industry, (circuit, distribution transforming, transformer station etc.).

System comprises " when attendance recorder module, meter-copy device module, polling module, GPS school " etc., can also effectively be connected user existing miscellaneous service system such as various Power management information systems etc., make all types electric power machine construction system adapt to better the needs of power business rapid adjustment and change, support individual character and the characteristic of power business, reduce exploitation.

The utility model changes each other old communicative mode of user, and support performance flow process and synergetic office work pattern are processed the miscellaneous service flow process on the net, make user's enforcement and maintenance cost reduction, raise labour productivity, and produce obvious returns of investment.

Description of drawings

Fig. 1 is theory diagram of the present utility model;

Fig. 2 is the circuit structure diagram of central processing unit and auxiliary processing unit among the utility model embodiment;

Fig. 3 is the circuit structure diagram of FLASH memory cell;

Fig. 4 is serial ports RS232 and infrared communication element circuit structure chart;

Fig. 5 is buzzer warning modular unit circuit structure diagram;

Fig. 6 is FLASH memory cell power supply circuits;

Fig. 7 is the liquid crystal back light circuit unit;

Fig. 8,9 is the interface circuit of liquid crystal touch screen;

Figure 10 is the liquid crystal display power-supply circuit;

Figure 11 is the charging module of the lithium battery in power supply selection and the serial communication selected cell;

Figure 12 is the interface circuit that connects power supply selection and serial communication selected cell and central processing unit (CPU) and auxiliary processing unit;

Figure 13 (a) is (b): be power supply select and the serial communication selected cell in commutation circuit;

Figure 14 (a) is (b): be power supply circuits and the GPS module in the GPS modular unit;

Figure 15 (a) is (b): be power supply circuits and the RF module in the RF modular unit;

Figure 16 is the GPRS communication module.

The specific embodiment

Referring to Fig. 1, the relation between the theory diagram of the present utility model unit:

1. central processing unit and auxiliary processing unit: the control algorithm center that is whole electric power networks monitoring management system Multifunctional handhold terminal.

2. buzzer warning modular unit: provide the module of sound alarm function, be subject to the direct control of central processing unit and auxiliary processing unit.

3.flash memory cell: storage system program, application program and user data are subject to the direct control of central processing unit and auxiliary processing unit.

4. liquid crystal touch screen unit: a kind of input block is delivered to central processing unit with test pencil in the information that touch-screen touches.

5. LCD unit: a kind of output block, central processing unit shows some data literal figures etc. by liquid crystal display.

6. serial ports RS232 and infrared communication unit: be the intermediate member that central processing unit and external equipment carry out information communication, its connects power supply selection and the serial communication selected cell of outside.

7. power supply is selected and the serial communication selected cell:

A. connect the GPS modular unit, the power supply of having controlled the GPS modular unit is supplied with and the channel selecting of serial communication, is that the GPS module is connected the passage of connection with central processing unit.

B. connecting the GPRS modular unit, controlled the channel selecting of GPRS modular unit serial communication, is that the GPRS module is connected the passage of connection with central processing unit.

C. connect the RF modular unit, the power supply of having controlled the RF modular unit is supplied with and the channel selecting of serial communication, is that the RF module is connected the passage of connection with central processing unit.

Fig. 2 is electric power networks monitoring management system Multifunctional handhold terminal central processing unit and auxiliary processing figure, that wherein " central processing unit " (CPU) selected is MC68EZ328, extended chip SM5K4, shift knob is at " on/off ", image or word in the screen move down " down ", move " up " on image in the screen or the word, by extended chip SM5K4, can expand our needed port, when external key is pressed, pass on the MC68EZ328 to CPU by SM5k4, MC68EZ328 is according to the program that sets in advance, process accordingly, simultaneously CPU MC68EZ328 also can send out and control to SM5K4, reaches us and wants the operation that realizes.

Fig. 3 is the circuit structure diagram of FLASH memory cell; Two flash storage IC 29LV800B and a flash storage IC 29LV324B are wherein arranged, application program and user data all are stored in the flash memory, can add, revise, delete the data of the inside, in the situation that does not have power supply, can not lose yet, can add similar flash storage IC and increase memory capacity. Also has SRAM IC 76G8128, they are buffer storage, the program of using and data, access the flash memory by CPU by address wire, pass through data wire, call SRAM IC, because it is fast to compare the access speed of flash IC to the access speed of SRAM, the data that computing is finished (in the SRAM memory) are transmitted back to the flash memory again and preserve.

Fig. 4 is serial ports RS232 and infrared communication element circuit structure chart; Be the schematic diagram of serial ports RS232 and infrared communication module, con2 is the interface of serial ports RS232, by serial communication, realizes the transfer of data of PC and electric power networks monitoring management system Multifunctional handhold terminal, the download of program. HSDL-3201 is modules of the transceiver of infrared communication, can realize transfer of data between a plurality of electric power networks monitoring management system Multifunctional handhold terminals by HSDL-3201, can also be by the mobile phone of infrared interface be arranged, realize the backup of telephone directory, short message, electric power networks monitoring management system Multifunctional handhold terminal can be sent short messages by mobile phone. Each wiring is connected to the respective points (UART/RXD, UART/TXD, VDD, PD2, PD7, PF0, PF5, VBAT, AD_IN, UART_CNTL, RTS, C TS etc.) of (Fig. 2)

Fig. 5 is buzzer warning modular unit circuit structure diagram; The PWM0/PB7 mouth of pipe by the CPU MC68EZ328 of Fig. 2 sets high/and set low by conducting and the closure of triode 9013 and then control buzzer BUZZER.

Fig. 6 is FLASH memory cell power supply circuits; Be subject to the control of CPU MC68EZ328 mouth of pipe A23PF6 among Fig. 2, because just can carry out the write operation of data when the NC_VPP of flash memory 29LV800B (seeing Fig. 3) sets high, in the time should carrying out write operation, CPU MC68EZ328 is by mouth of pipe A23PF6 control triode Q11 conducting, then triode Q10 conducting, VPP obtains supply voltage, and the NC_VPP of flash memory 29LV800B (seeing Fig. 3) is set high, and can carry out write operation.

Fig. 7 is the liquid crystal back light circuit unit; D355A is Control of Voltage output IC, and EL is connected to the LCD backlight lamp, and EL_CNTL is connected to the port PB6 of the CPU MC68EZ328 among Fig. 2, makes CPU MC68EZ328 control D355A then control to the power supply of LCD backlight lamp.

Fig. 8,9 is the interface circuit of liquid crystal touch screen; CON5 among Fig. 8 is connected to the touch-screen of liquid crystal, and X_L, X_R, Y_T, Y_U are connected respectively to the respective points of Fig. 2, is used for controlling the left and right, upper and lower of liquid crystal, when point contacts the each point of touch-screen, is delivered to CPU by the information of sensing. Interface circuit among Fig. 9 by this interface circuit, is connected to the each point of Fig. 2, realizes demonstration and the power supply of liquid crystal.

Figure 10 is the liquid crystal display power-supply circuit; VBAT is connected to the positive pole of battery, electric energy is provided, by inductance L 5, power supply adjust ICXC6372 and D4 obtain constant voltage (+3V), CPU control LCD POW_ENABLE controls the power supply of liquid crystal then among Fig. 2, the CPU of Fig. 2 controls the given voltage VEE of liquid crystal then by control LCD_OSC_ON, PD3, PD4, PE3 simultaneously, and component voltage V1, V2, V3 and V4, the contrast that adjustable liquid crystal display shows.

Figure 11 is the charging module of the lithium battery in power supply selection and the serial communication selected cell; VBX connects the 5V dc source that the outside provides, and J2A connects lithium battery, can realize constant current, constant-voltage charge, is full of automatic cut-out, the light prompting. BQ2057 is charging IC, and Rx1-Rx7 plays the electric current regulating action, the size of control charging current, and conducting and the cut-out of triode 2SB1132 control charging, the LED1 charactron is the light indication. Electric current charges the battery by resistor group Rx1-Rx7 and triode P1 constant current, when cell voltage arrives certain magnitude of voltage (2 mouths of pipe by BQ2057 detect voltage), transfer the constant voltage power supply to, until be full of outage, can find out by indication diode (LED) 1.

Figure 12 is the interface circuit that connects power supply selection and serial communication selected cell and central processing unit (CPU) and auxiliary processing unit; The expansion that mainly contains serial communication and I/O mouth is used. U8 is a voltage detecting circuit, and the result who detects voltage notifies CPU by PF5, and CPU controls subsequent conditioning circuit then by the level variation of PD2 and the control of PE6 output high-low level A, B simultaneously.

Figure 13 (a) is (b): be power supply select and the serial communication selected cell in commutation circuit; HC139 is two or four decoders among Figure 13, selects 1 analog switch and 74HC4052 is 4 of a binary channel. By the output height of CPU instruction control PD2 and PE6, the output level of the Y0-Y3 of the HC139 that the A of control Figure 13, the height control level of the B mouth of pipe are controlled then and the analog channel of analog switch 74HC4052.

Figure 14 (a) is (b): be power supply circuits and the GPS module in the GPS modular unit; Figure 14 (a) is the power pack of GPS, and Figure 14 (b) is the GPS module section. (seeing Fig. 2) CPU (MC68EZ328) mouth of pipe PD2 output 1, mouth of pipe PE6 exported 0 o'clock, A among Figure 12, B are respectively 1 and 0, EV3 mouth among Figure 13 is controlled to be 0, simultaneously RX2 and the RXD conducting among Figure 13, TX2 and TXD conducting, then the P3 triode conducting among Figure 14, make Voltage-output chip R1170H33b Voltage-output OUT output supply voltage, make GPS U5 E4S39860 get electric can work, by RX2 and TX2 and (seeing Fig. 2) CPU (MC68EZ328) realization communication.

Figure 15 (a) is power supply circuits and RF module in the RF modular unit (b); : Figure 15 (a) is the power pack of RF wireless communication module, and Figure 15 (b) is RF wireless communication module part. (seeing Fig. 2) CPU (MC68EZ328) mouth of pipe PD2 output 0, mouth of pipe PE6 exported 1 o'clock, A among Figure 12, B are respectively 0 and 1, EV5 mouth among Figure 13 is controlled to be 0, simultaneously RX1 and the RXD conducting among Figure 13, the then P2 triode conducting among Figure 15 makes Voltage-output chip XC6371A501pPR Voltage-output OUT output supply voltage, make RF wireless communication module MTP-125K4 get electric can work, realize communication by RX1 and (seeing Fig. 2) CPU (MC68EZ328).

Figure 16 is the GPRS communication module, (seeing Fig. 2) CPU (MC68EZ328) mouth of pipe PD2 output 1, mouth of pipe PE6 exported 1 o'clock, A among Figure 12, B are respectively 1 and 1, RX3 among Figure 13 and RXD conducting, TX3 and TXD conducting then among Figure 16 GPRS realize communication by RX3 and TX3 and (seeing Fig. 2) CPU (MC68EZ328).

● the pda system platform:

1, have unique extrapolation storage card design, support standard 3.3V SmartMedia storage card, the user can freely change the SMC storage card of 8-128M byte capacity according to demand.

2, possesses following function: comprise business card, notepad, shorthand, english Chinese dictionary, Chinese-English dictionary, perpetual calendar, schedule, prompting, unit conversion, calculator, World clock, alarm clock, data commonly used, game etc. " Chinese king " touch screen hand-writing input method with standard, character libary is supported the GBK character library: GB, BIG5, GBK, UNICODE.

3, the RS232 interface and the infrared port that have standard, easy communication. Can also carry out by the SMC card simultaneously the high speed data transmission of 185K byte/S.

4, support complete ICP/IP protocol to connect the internet, have transmitting-receiving Email, send fax, by mobile phone transmitting-receiving literal and digital information, by functions such as hyper terminal teletransmission files that means of communication is complete. (Internet function needs GPRS or external Modem, and Modem can be the External modem that any serial port of market sale connects)

5, have first and then powerful electronic book function, can download various books, news and picture information from network, also can be used for compiling and seize, read and make comments various text informations.

6, has unique online annotation function of English new word. The books amount of storage as required can be from 5,000,000-5,000 ten thousand Chinese characters.

7, handheld terminal can far be passed books, data by infrared ray each other, mutually exchanges visiting cards etc.

8, be equipped with the powerful built-in system software with independent intellectual property right.

● the attendance recorder module:

The work attendance program has realized the attendance recorder function in the routine work by the software on the PDA in conjunction with radio-frequency module. By the automatic recorder worker's card number of the work attendance program of stamping the card and working quitting time. Import information into the back-stage management computer to administrative department by serial communication the end of month, enters employee's management database, and employee's attendance is for the previous period examined inspection.

Because its realization is on handheld terminal, therefore have portability, flexibility, mobility. Especially being fit to the electric power responsible institution examines the worker's of subordinate unit of its dispersion attendance.

● polling module:

The requirement of patrolling and examining for power department transmission line section in the process of patrolling and examining, utilizes GPS and satellite communication, obtains current position data of patrolling and examining shaft tower (transformer station), comprises longitude, latitude and height above sea level; And the information such as current date time, by patrolling and examining the program automatic input. Use the OA function of PDA can check at any time that record patrols and examines a little state, defective, former maintenance record etc.

This module characteristic can show people's position in real time for to patrol and examine under the tracking mode, and near the screen of PDA is drawn out the location graphic of shaft tower. Program is understood the automatic spring prompting frame in the time of 20 meters apart from the position that will patrol and examine, informs the various information of the position that the personnel of patrolling and examining will arrive.

Patrol and examine completely at every turn, to administrative department the information of patrolling and examining is passed to the back-stage management computer, the access arrangement management database. Can be used for that query statistic is is respectively patrolled and examined a little details, the personnel that patrol and examine arrive and patrol and examine a real time, disposition etc., realize the management to equipment and employee.

● during the GPS school:

Program when operation Automatic-searching GPS EM equipment module extracts the temporal information that GPS provides, and is converted into Beijing time or local time, is used for real time of correction data record. Operating process need not the user more be intervened during whole school, and the collection of all information, record are finished automatically by program.

The program characteristic is mainly reflected in the interface of more hommization, when GPS looks for the star success and receives correct data, can occur around the earth icon that rotates in the interface around its circuit satellite, when without gps signal, then satellite disappearance when entering in the room such as the user, only have the earth rotating the expression no signal, look for star unsuccessful. Show simultaneously information such as waiting for reception.

● the GPRS Wireless Data Transmission:

This module is used for the communication between handheld terminal and the main frame, as: short message, E-mail. Can realize remote measurement and monitoring, the personnel of patrolling and examining are carried out the Real-Time Scheduling commander in the process of patrolling and examining.

GPRS module receiving velocity can reach 86.20kbps, and transmission rate can reach 21.5kbps and support GSM900 and GSM1800 Dual Band network.

● the meter-copy device module:

Traditional counting cost by gas meter pattern that meter reading procedure has changed is original " people, one, one " all realizes paperless work, automatic operating. Greatly alleviated meter reading personnel's workload, having improved the efficient of the work of checking meter and the quality operation of work mainly is finishing at PDA. Data are recorded, inquire about, add up. Provide historical query, by scope search, the function such as statistics, remarks, exception record, help. The end of month or a year terminal hour import data into the background computer of administrative department, the data that collect in the work of checking meter are adjusted, managed, electric weight such as the user uses, and the state of ammeter and meter reading personnel's the last work date is done detailed analytic statistics, and is printed as relevant form.

This program characteristic is when appearance is unusual, such as current month ammeter reading during less than the ammeter reading of last month, program meeting automatic spring prompting frame, whether the inquiry person of checking meter active user's ammeter crosses circle, if "Yes" just records the current record of checking meter, for "No" then jumps to abnormality processing situation module, the person of checking meter can be according to the type of the actual conditions recording exceptional of electric supply meter, and in the data-in storehouse. And finally by background manage software.

● the electric industry book:

The books such as the electric power rules that edit on the backstage can download on the handheld terminal, and the article that can download at most 1,000,000 words is learnt at any time, checked for the electric power personnel etc. Program provides the search on content function, keys in corresponding keyword, can find the clauses and subclauses of related content, and the user can retrieve easily, check according to the content that oneself will check.

● phone directory:

The database function that utilizes the PDA platform to support is partly realized the automation centralized management to telephone directory, address list etc. in the user profile. Its characteristics for can carry out typing to the information of user input, store, search, revise, the operation such as deletion. Realize the computer management of user profile, greatly improved operating efficiency.

● the backstage master computer:

The backstage master computer be responsible for to process mainly that handheld terminal passes back data and information, administrative staff can transmit a handheld terminal to work plan and task by host computer simultaneously.

● the technical indicator contrast

Power industry element task project	Before the enforcement	After the enforcement
			Work attendance	Need the equipment such as personnel record or use attendance recorder. Do not support outlying district electric power worker's attendance. Need to manually carry out statistical work.	Without the personnel record, do not need attendance recorder, solve edge worker's attendance problem. Automatic statistical correlation form.
Patrol and examine	Manual record, in time feed back on-site information can not be got rid of staff's the impact on work quality, and for the basic data of being patrolled thing such as position, being patrolled time etc. needs Provision in advance.	Automatically gather the basic data of being patrolled thing by GPS. The time of record work on the spot, supervision worker's working condition. Can reappear the process of patrolling and examining on the backstage. Automatically the statistical correlation data are printed relevant form. Improve efficient and the quality of the work of patrolling and examining.
			Check meter	The special messenger carries out paper, notes record, manually adjusts relevant data, can not be in time to administrative department's feedback user ammeter information. Consult the subscriber data difficulty.	Directly find current situation of being copied ammeter according to condition, the recording electrical meter data, the electricity consumption situation in automatic counting user, area under control, the inquiring user record is convenient and swift. The worker

		Be improved as efficient.
			Electric industry book (employee rating)	Need to organize special training, electric power worker learning materials are difficult to tissue. Worker's study has limitation.	Abundant learning materials can consult at any time, learn for the worker, make the worker to the business of oneself comprehensive understanding be arranged, and are beneficial to work.
During the GPS school	The electric power worker has certain difficulty to the adjustment of device systems time, or causes system program disorderly because the time adjusts, and the time alignment error is large.	Automatically carry out clock alignment. Whether operating personnel only need answer to calibrate and get final product. The time alignment error is little. Avoid system disorders.

Electric power networks monitoring management system Multifunction hand terminal further improves the function that its system itself has on the basis of the function of early development. The main scope that its perfect in shape and function is served is embodied in several broad aspect such as rural power grids equipment technology, rural power mechanics of communication, information management system, office automation (OA).

Claims (11)

1, a kind of Multifunction hand terminal for the electric power networks monitoring management system is characterized in that: be by central processing unit (CPU) and auxiliary processing unit, buzzer warning modular unit, FLASH memory cell, liquid crystal touch screen unit, LCD unit, liquid crystal back light circuit unit, serial ports RS232 and infrared communication unit and power supply selection and serial communication selected cell; Wherein, Central processing unit and auxiliary processing unit are connected with buzzer warning modular unit, FLASH memory cell, liquid crystal touch screen unit, LCD unit, liquid crystal back light circuit unit, serial ports RS232 and infrared communication unit respectively; Serial ports RS232 selects to be connected with the serial communication selected cell with infrared communication unit and power supply; Power supply is selected to be connected with GPS modular unit, GPRS communication module unit and RF modular unit with the serial communication selected cell and is connected.

2. the Multifunction hand terminal for the electric power networks monitoring management system according to claim 1, it is characterized in that: it is MC68EZ328 that described central processing unit (CPU) and auxiliary processing unit are selected the model of chip, and the model of extended chip is SM5K4.

3. according to claim 1,2 described Multifunction hand terminals for the electric power networks monitoring management system, it is characterized in that: described FLASH memory cell is that FLASH memory and a model of being 29LV324B by two models FLASH memory that is 29LV800B and model are that the SRAM7668128 buffer storage consists of.

4. according to claim 1,2 described Multifunction hand terminals for the electric power networks monitoring management system, it is characterized in that: described buzzer warning modular unit is to be made of triode, buzzer and resistance; The colelctor electrode of triode connects positive source by resistance, and buzzer is connected to respectively between the colelctor electrode and signal input part of triode; The base stage of triode connects signal input part by resistance; The signal input part of buzzer warning modular unit is connected with the PWMO/PB7 port of CPU (CPU) MC68EZ328.

5. according to claim 1,2 described Multifunction hand terminals for the electric power networks monitoring management system, it is characterized in that: described serial ports RS232 and infrared communication unit are the module compositions of the transceiver of interface and infrared communication, con2 is the interface of serial ports RS232, pass through serial communication, realize the transfer of data of PC and electric power networks monitoring management system Multifunctional handhold terminal, the download of program; The model of the module of the transceiver of infrared communication is HSDL-3201, can realize transfer of data between the electric power networks monitoring management system Multifunctional handhold terminal, each binding post UART/RXD by HSDL-3201, UART/TXD, VDD, PD2, PD7, PF0, PF5, VBAT, AD_IN, UART_CNTL, RTS, CTS are connected to each terminal corresponding of the same name of central processing unit (CPU) and auxiliary processing unit.

6. according to claim 1,2 described Multifunction hand terminals for the electric power networks monitoring management system, it is characterized in that: described liquid crystal back light circuit unit is to be made of Control of Voltage output module D355A, D355A is Control of Voltage output IC, the EL connecting terminals is received the LCD backlight lamp, the EL-CNTL connecting terminals is received the CPU MC68EZ328 terminals P B6 in central processing unit (CPU) and the auxiliary processing unit, makes CPU MC68EZ328 control D355A then control to the power supply of LCD backlight lamp.

7. according to claim 1,2 described Multifunction hand terminals for the electric power networks monitoring management system, it is characterized in that: described liquid crystal touch screen unit is to be connected to liquid crystal touch screen by interface CON5, and terminal X-L, X-R, Y-T and Y-U are connected respectively to each terminal corresponding of the same name of central processing unit (CPU) and auxiliary processing unit.

8, according to claim 1,2 described Multifunction hand terminals for the electric power networks monitoring management system, it is characterized in that: described LCD unit is each terminal corresponding of the same name that is connected respectively to central processing unit (CPU) and auxiliary processing unit by the Interface Terminal on the interface CON1.

9. according to claim 1,2 described Multifunction hand terminals for the electric power networks monitoring management system, it is characterized in that: the power supply circuits of described flash memory 29LV800B are to be made of two triodes and resistance; The base stage of triode Q10 connects the colelctor electrode of triode Q11, and the base stage of Q11 connects this port of FLASH WRITE port by resistance R 29 and is connected with the A23PF6 port of central processing unit (CPU) and auxiliary processing unit.

10, according to claim 1,2 described Multifunction hand terminals for the electric power networks monitoring management system, it is characterized in that: described liquid crystal device unit power-supply circuit, its VBAT connecting terminals is received the positive pole of battery, by inductance L 5, feed regulator isolator ICXC6372 and diode D4 obtain constant voltage (+3V), the CSCO/PB2 port of central processing unit (CPU) and auxiliary processing unit is connected with the LCD POW_ENABLE port of liquid crystal device unit power-supply circuit; Then control the power supply of liquid crystal, LCD_OSC_ON, PD3, PD4, the PE3 port of central processing unit (CPU) and auxiliary processing unit are connected with the port of the same name of liquid crystal device unit power-supply circuit respectively simultaneously; Then control the given voltage VEE of liquid crystal, and component voltage V1, V2, V3 and V4, the contrast that adjustable liquid crystal display shows.

11, according to claim 1,2 described Multifunction hand terminals for the electric power networks monitoring management system, it is characterized in that: described power supply selection and serial communication selected cell and GPS modular unit, GPRS modular unit and RF modular unit are to be made of following circuit:

(A): the lithium cell charging module, its VBX port connects the 5V dc source that the outside provides, and J2A connects lithium battery, can realize constant current, constant-voltage charge, is full of automatic cut-out, the light prompting; BQ2057 is charging IC, and resistance R x1-Rx7 plays the electric current regulating action, the size of control charging current, and conducting and the cut-out of triode 2SB1132 control charging, the LED1 charactron is the light indication;

(B): interface circuit is to connect power supply selection and serial communication selected cell and central processing unit (CPU) and auxiliary processing unit, and the expansion that mainly contains serial communication and I/O mouth is used; U8 is a voltage detecting circuit, and it is connected with the port of the same name of CPU by the PF5 port, and CPU controls subsequent conditioning circuit then by the level variation of PD2 and the control of PE6 output high-low level A, B simultaneously;

(C): commutation circuit is to select 1 analog switch 74HC4052 to consist of by 4 of two or four decoder HC139 and a binary channel; Port A, B by HC139 are connected with the PE6 port with the PD2 of CPU, the output height of cpu instruction control PD2 and PE6, the output level of the Y0-Y3 of the HC139 that the height control level of control A, the B mouth of pipe is controlled then and the analog channel of analog switch 74HC4052;

(D): the GPS modular unit is comprised of power pack and the GPS module section of GPS; Wherein the model of GPS module be E4S39680 its be connected with RX2, the TX2 port of commutation circuit respectively by port RX2, TX2; The power pack of GPS is to be made of Voltage-output chip R1170H33b and triode P3, the base stage of triode is connected with the EV3 port of two or four decoder HC139 in the commutation circuit by port EV3, the colelctor electrode of triode is connected with the input utmost point of Voltage-output chip R1170H33b, and the output P3V3 of Voltage-output chip R1170H33b is connected with the power input P3V of GPS module;

(E): the RF modular unit is partly to be made of the power pack of RF wireless communication module and RF wireless communication module; RF wireless communication module MTP-125K4 is connected with the RX1 port of commutation circuit by port RX1; The power pack of RF wireless communication module is to be made of Voltage-output chip XC6371A501pPR and triode P2, the base stage of triode is connected with the EV5 port of two or four decoder HC139 in the commutation circuit by port EV5, the colelctor electrode of triode is connected with the input utmost point of Voltage-output chip XC6371A501pPR, and the output P5V of Voltage-output chip XC6371A501pPR is connected with the power input P5V of GPS module;

(F): GPRS communication module unit, it is connected with RX3, the TX3 port of analog switch in the commutation circuit respectively by port RX3, TX3.

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