CN2627464Y - Hand-held meter reading charge terminal for water, electricity, coal and gas - Google Patents

Abstract

A handheld metering/accounting terminal for water, electricity, coal and gas comprises a pedestal, a supporter, a battery plate arranged in a base chamber of the pedestal, a turning cover, a LED screen and a keyboard respectively arranged in the upper, middle and lower segments of the front surface of the terminal. The terminal is characterized in that a master control board is arranged between the keyboard and the pedestal and constituted by a central microprocessor, a program storage and a static data register; a printing paper roller, a thermal printer and a printing control panel are arranged, from the top to the bottom, between the turning cover and the pedestal; an infrared illuminating tube and an infrared receiving tube are arranged respectively at the left and right sides of the upper segment. The utility model has advantages of two input modes of automatic metering and manual metering, data modification/query/display functions, good metering data safety, real-time delivery of account bill, easy use, small size, light weight, low power consumption, as well as long service life.

Description

Water, electricity, coal, the gas hand-held terminal of entering an item of expenditure in the accounts of checking meter

Technical field:

The utility model relates to handheld PC, particularly a kind of water, electricity, coal, the gas hand-held terminal of entering an item of expenditure in the accounts of checking meter.

Background technology:

Present a lot of water, electricity, coal, the gas account system of checking meter out is limited to the limitation of hardware, generally be the data of getting all kinds of tables by the meter reading personnel with eye reading, hand-kept, mode perhaps automatic with palm computer or manual input is gathered payment data, manually be aggregated into the data center of elsewhere then, print bill by the family again, send to letter box by artificial branch.This class mode is not only time-consuming, take artificial, and misreads easily with Louing and copy, and the instantaneity of data is poor, and the while has also increased the cost of checking meter and entering an item of expenditure in the accounts.

Summary of the invention:

Technical problem to be solved in the utility model is to overcome above-mentioned prior art problems, a kind of water, electricity, coal, the gas hand-held terminal of entering an item of expenditure in the accounts of checking meter is provided, not only meter reading data is safe and reliable for it, bill is with copying with sending out simultaneously, and it is timely and effective, can make things convenient for the user, reduce artificial cost, accelerate the money collecting of public public institution.

Technical solution of the present utility model is as follows:

A kind of water, electricity, coal, the gas hand-held terminal of entering an item of expenditure in the accounts of checking meter, comprise base, support, in the chamber, the end of this base, cell panel is set, the epimere of this terminal front side is for renovating, LCDs is established in the stage casing, hypomere is a keyboard, it is characterized in that between keyboard and base, being provided with the master control borad that comprises central microprocessor, program storage and static random data register, renovate and base between lay from top to bottom and print coil paper, thermal printer and look for the seal control panel, the left and right sides of epimere is respectively equipped with infraluminescence pipe and infrared receiving tube.

Described printing control panel comprises mini-printer electric driver circuit, pattern and data printing control circuit, Chinese and English character library, is undertaken by the mode of asynchronous serial communication with the communication that is connected of master control borad.

Described printing control panel, infrared communication mouth, the multiplexing UART Universal Asynchronous Receiver Transmitter of RS232 communication port (UART) communication interface utilize the select lines of the I/O mouth of central microprocessor CPU as each communication interface.

Described cell panel installing rechargeable type high capacity Ni-MH battery.

Technique effect of the present utility model:

1. the check meter terminal of entering an item of expenditure in the accounts of the utility model water, electricity, coal, gas hand-held mainly is made up of master control borad, LCDs, printing control panel, mini-printer, infrared communication acceptance and radiated element, keyboard and cell panel etc.; Master control borad comprises central microprocessor, program storage, static random data register etc., and major function is the database hardware carrier as this kilowatt meter reading-out system, also has database manipulation functions such as basic data typing, modification, inquiry, demonstration; Uploading of the download of executive software, meter reading data; The transmission of print command, data and the control of mini-printer; The acceptance of the transmission of infrared automatic data logging order and the next meter terminal data.Print control panel and form, adopt the mode of asynchronous serial communication to carry out with the communication that is communicated with of master control borad by mini-printer electric driver circuit, pattern and data printing control circuit, central library etc.Thereby has good technical feature and than perfect functions;

2. cell panel has adopted rechargeable type high capacity Ni-MH battery, and the one action time is longer;

3. this terminal has been used printing control panel, infrared communication mouth, the multiplexing UART communication interface of RS232 communication port, utilize the select lines of the I/O mouth of CPU as each communication interface, if the corresponding interface is selected, then this mouth is chosen opening, and other unchecked interfaces are high-impedance state, simplify the design of hardware and software of interface like this, also reduced cost of products simultaneously;

4. accomplish public fee bill simultaneously with copying with sending out, relevant hardware device is easy to carry, and volume is little, in light weight, power consumptive province and service time are long, and the manual input of available multiple mode or infrared automatic data logging are imported;

5. this system adopts current advanced large scale integrated circuit technology, and printer has used the temperature-sensitive mini-printer of low-power consumption, has advantages such as volume is little, low in energy consumption, the life-span is long;

6. software language is a kind of miniature relevant database management language that adopts pseudo-technique of compiling, also has database manipulation functions such as basic data typing, modification, inquiry, demonstration.

Description of drawings:

Fig. 1 is the utility model water, electricity, coal, the gas hand-held terminal schematic top plan view of entering an item of expenditure in the accounts of checking meter.

Fig. 2 is the vertical profile synoptic diagram of Fig. 1.

Fig. 3 is the utility model communication interface synoptic diagram.

Fig. 4 is the utility model terminal database operation chart.

Among the figure:

1-thermal printing coil paper 2-renovate, 3-thermal printer, 4-support

5-printing control panel, 6-master control borad, 7-keyboard, 8-base

9-LCDs, 10-cell panel, 11-infraluminescence pipe, 12-infrared receiving tube

Embodiment:

At first see also Fig. 1 and Fig. 2, as seen from the figure, the utility model water,, coal, the gas hand-held terminal of entering an item of expenditure in the accounts of checking meter, comprise base 8, support 4, in the chamber, the end of this base 8, cell panel 10 is set, the epimere of this terminal front side is for renovating 2, LCDs 9 is established in the stage casing, hypomere is a keyboard 7, it is characterized in that between keyboard 7 and base 8, being provided with and comprise central microprocessor, the master control borad 6 of program storage and static random data register, renovate 2 and base 8 between lay from top to bottom and print coil paper 1, thermal printer 3 and printing control panel 5, the left and right sides of epimere is respectively equipped with infraluminescence pipe 11 and infrared receiving tube 12.Here the major function of master control borad 6 is the database hardware carriers as this kilowatt meter reading-out system; Also have database manipulation functions such as basic data typing, modification, inquiry, demonstration; Uploading of the download of executive software, meter reading data; The transmission of print command, data and the control of mini-printer; The order transmission of infrared automatic data logging and the acceptance of the next meter terminal data.

But LCDs 9 display graphics, Chinese character, letter and number.Keyboard 7 comprises alphanumeric key, open and close switch and some other function key.Adopt and print control panel, infrared communication mouth, the multiplexing UART communication interface of RS232 communication port, utilize the select lines of the I/O mouth of CPU, as shown in Figure 3 as each communication interface; If the corresponding interface is selected, then this mouth is chosen opening, and other unchecked interfaces are high-impedance state, have simplified the design of hardware and software of interface like this, has also reduced cost of products simultaneously.

Infrared communication mouth: meet power industry standard " DL/T645-1997 " electric energy meter communication standard, be used for the data of electric energy meter are made a copy of or are provided with.RS232 communication port:, download or upload executive routine and database or customizing messages (meter reading terminal password, the person of checking meter number or name etc.) with upper PC communication; Also can be used as the RS485 communication port.Thermal printer 3: printable bar code, Chinese character and alphanumeric; If the wide 57mm of thermal printing paper paper is the long 180mm of bill, then printable 140 bills of a coil paper.Cell panel 10 adopts rechargeable type high capacity Ni-MH battery: 6V/1500mAh, can work long hours for terminal.

This terminal has adopted the infrared modulation technology with stronger antijamming capability, and the charge data of all kinds of recording electrical meters can automatically be imported this hand-held terminal of entering an item of expenditure in the accounts of checking meter by automatic input technology, also can be by all kinds of metering datas of the manual input of keyboard; Have database manipulation functions such as typing, modification, inquiry, demonstration, abnormal data warning, the control chip of comprehensive high speed low consumption is formed complete water, electricity, coal, gas hand-held terminal of entering an item of expenditure in the accounts of checking meter, this terminal has automatic data logging and manual input data mode, functions such as data modification, inquiry and demonstration, meter reading data is safe and reliable, and bill is with copying with sending out, timely and effective, reduce artificial cost, also made things convenient for the user, accelerated the money collecting of public public institution; Also have the characteristics that volume is little, in light weight, low in energy consumption and the life-span is long simultaneously.

Claims (4)

1, a kind of water,, coal, the gas hand-held terminal of entering an item of expenditure in the accounts of checking meter, comprise base (8), support (4), cell panel (10) is set in the chamber, the end of this base (8), the epimere of this terminal front side is for renovating (2), LCDs (9) is established in the stage casing, hypomere is keyboard (7), it is characterized in that between keyboard (7) and base (8), being provided with and comprise central microprocessor, the master control borad of program storage and static random data register (6), print coil paper (1) renovating to lay between (2) and the base (8) from top to bottom, thermal printer (3) and printing control panel (5), the left and right sides of epimere is respectively equipped with infraluminescence pipe (11) and infrared receiving tube (12).

2, water according to claim 1, electricity, coal, the gas hand-held terminal of entering an item of expenditure in the accounts of checking meter, it is characterized in that described printing control panel (5) comprises mini-printer electric driver circuit, pattern and data printing control circuit, Chinese and English character library, is undertaken by the mode of asynchronous serial communication with the communication that is connected of master control borad (6).

3, water according to claim 1, electricity, coal, the gas hand-held terminal of entering an item of expenditure in the accounts of checking meter, it is characterized in that described printing control panel (5), infrared communication mouth, the multiplexing UART Universal Asynchronous Receiver Transmitter communication interface of RS232 communication port, utilize the select lines of the I/O mouth of central microprocessor CPU as each communication interface.

4, water according to claim 1, electricity, coal, the gas hand-held terminal of entering an item of expenditure in the accounts of checking meter is characterized in that described cell panel (10) installing rechargeable type high capacity Ni-MH battery.

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