CN2389352Y

CN2389352Y - IC card computerized fuel tax counter

Info

Publication number: CN2389352Y
Application number: CN 99232579
Authority: CN
Inventors: 陈英涛
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-09-06
Filing date: 1999-09-06
Publication date: 2000-07-26
Anticipated expiration: 2009-09-06

Abstract

The utility model discloses an IC card computerized fuel tax counter, which belongs to the field of flow quantity metering. The IC card computerized fuel tax counter comprises an outer circuit and an inner circuit; the outer circuit comprises a panel (1), a display screen (2), an IC card slot (4), and a state indicating lamp (4); the inner circuit is composed of a signal detecting unit (5), a calculation and storage unit (6), and a displaying and status indication alarm unit (7). The IC card computerized fuel tax counter adopts a state-of-the-art single-chip computer to serve as a kernel part; the utility model has the advantages of simple circuit structure, strong capacity of information exchange, strong function of data processing and real-time control. Matched with an existing fuel filling machine, the IC card computerized fuel tax counter enhances the strength and capacity of tax collection and administration to prevent tax losing.

Description

A kind of IC-card computer fuel oil tax-accounting device

The utility model belongs to the flow metering field, be specifically related to a kind of can use IC-card carry out fuel metering also, charge and calculate the various computer fuel oil tax-accounting devices that should the volume of paying taxes get.

Fuel oil is one of the most widely used basic power source in modern production, the life.Along with constantly increasing of population on the development of times and the earth, human increasing to the demand of fuel oil.Yet the tellurian energy is limited, cuts down the consumption of energy, and the exploitation energy-conserving product is the problem that needs solution now.Therefore, national governments all take much count of the management of conventional fuel oil.But China continues the management mode of planned economy recent decades always, just nearly 6000 kinds of various administrative charges projects, and wherein relevant with traffic just have 600 remainders, not only restricted expanding economy, and become to grow corrupt hotbed.In recent years, the central government has formulated the policy of " transforming administrative fees into taxes ", and is the breach with the field of traffic, and impose fuel taxation is imperative.Yet, adapting to this requirement also has some technical problem needs to solve, especially also do not have a kind of effective sale amount of simple and effective means supervision fuel oil and answer collected amount, so just must bring many troubles, and even cause the loss of national tax to the state tax revenue expropriation and management.For this reason, the design people is through concentrating on studies, and developed a kind of IC-card computer fuel oil tax-accounting device that collects fuel metering, charging and should the volume of paying taxes be calculated as one, solved this problem well, and is good through trial effect.

The purpose of this utility model is to provide a kind of line construction simple, and stable and reliable working performance is cheap, can be easily and the supporting use of existing fuel charger, realize the IC-card computer fuel oil tax-accounting device of real-time synchronous measurement, taxing.

The utility model is achieved in that it is made up of external circuit and interior circuit two parts, and external circuit includes panel 1, display screen 2, IC-card slot 3 and status indicator lamp 4; Interior circuit is by signal detecting unit 5, computing and storage unit 6 and demonstration and state is indicated, alarm unit 7 is formed.

Computing is connected by standard mode with the core parts one-chip computer IC1 of storage unit (6), and by functions such as programmed control realization metering, charging and the volume calculating of should paying taxes, from the signal of signal detecting unit (5) sensor, send into the T0 end of IC1 after the pulse bandwidth filtering shaping circuit processing via IC5 and peripheral circuit formation thereof; Serial E ²The data line SDA of PROM IC circuit 2 and clock line SCL link to each other with the P1.1 mouth with the P1.0 of IC1 respectively; The data line SDA of IC-card IC3 and clock line SCL link to each other with the P1.3 mouth by 3, the 4 difference P1.2 of slot CZA; Demonstration is made of display driver circuit and display device LED with the demonstration subelement of state indication, alarm unit (7), and connects with standard mode; Reset chip IC7 and peripheral circuit thereof and IC8 constitutes manual reset circuit.

Because the utility model has adopted state-of-the art one-chip computer, not only circuit structure is simple, stable and reliable working performance, and basic data that provides and statistics are abundant, and message exchange ability and allomeric function are strong, and cost is low, little power consumption.

Below in conjunction with accompanying drawing and embodiment the utility model is further described, but the utility model is not limited to shown in the accompanying drawing.

Fig. 1 is an external circuit structural representation of the present utility model;

Fig. 2 is an interior circuit electricity theory diagram of the present utility model;

Fig. 3 is a circuit electrical schematic diagram within the embodiment of the utility model;

As shown in the figure, the utility model is made up of external circuit and interior circuit two parts, and external circuit includes panel 1, display screen 2, IC-card slot 3 and status indicator lamp 4; Interior circuit is by signal detecting unit 5, computing and storage unit 6 and demonstration and state is indicated, alarm unit 7 is formed.

As an embodiment, computing is connected by standard mode with the core parts one-chip computer IC1 (AT89C52) of storage unit 6, and by functions such as programmed control realization metering, charging and the volume calculating of should paying taxes, from the signal of signal detecting unit 5 sensors, send into the T0 end of ICI after the filtering shaping circuit processing via IC5 (NE555) and peripheral circuit R6-R9, C2-C6 formation thereof; Serial E ²The data line SDA of PROM IC circuit 2 (AT24C64) and clock line SCL link to each other with the P1.1 mouth with the P1.0 of IC1 respectively; The data line SDA of IC-card IC3 (AT24C64) and clock line SCL link to each other with the P1.3 mouth by 3, the 4 difference P1.2 of slot CZA; Reset chip IC7 (IMP813L) and peripheral circuit thereof and IC8 (74HC04) forms manual reset circuit, and 7 pin of IC7 link to each other with IC1 the 9th pin by two not gates, and the 17th pin of IC1 links to each other with 6 pin of IC8.

Demonstration is made of display driver circuit IC6 and 8 LED nixie display spares with the demonstration subelement of state indication, unit 7, three Data Control lines of display driver circuit IC6 link to each other with the 8th, 10,11 pin of IC1 respectively, 8 section drive wires of IC6 link to each other with each section of charactron a～h respectively, and 8 position drive wires link to each other with the common cathode of 8 charactrons respectively; Warning circuit is made up of 1 not gate, triode T (8050) and the hummer of IC8; Condition indication circuit is linked to each other by the S end that luminescent device LED1-LED4 is connected to IC5 the 3rd pin, IC8 the 2nd pin, IC1 the 17th pin and CZB respectively, pulse indication on the corresponding panel respectively, the IC-card indication, pulse per second (PPS) indication and civil power pilot lamp 4, the duty of indicating instrument.

The utility model is simple in structure, stable and reliable working performance, and basic data that provides and statistics, with low cost, little power consumption is fit at different levels, all kinds of refuelling stations and uses, and as declaring the reliable basis of paying taxes.

The components and parts that the utility model uses are not limited to above-mentioned model, have all alternative use of components and parts of identical or close function, can realize the purpose of this utility model equally.

Principle of work of the present utility model is as follows:

Insert the initialization IC-card, finish the instrument initialization; Card calibration criterion calendar clock when inserting the school; Insert the basis card and read in relevant price and the various tax rate data of answering.The encryption verification program can be set, and errorless on inspection back instrument enters standby condition, waits for Fuel-filling metering.If there is fuel oil to flow through fuel charger, sensor is to flow signal PULES, sends into computing and storage unit is handled after the filtering shaping circuit shaping, and shows oil plant quantity, the amount of money and the volume of should paying taxes in real time.No longer include the flow signal if surpass certain hour, then close display automatically, instrument is in low power consumpting state.This controller is met strong the interference when making program fly ease or lock machine, can automatically reset in 2 seconds, recovers operate as normal.The refuelling station or the relevant tax authority can use inquirying card at any time, inquire about in 1 year every month sales volume and various taxable amount, but and backup information enter in the IC-card in order to inquiry or further analyze.The all working mode is by tax authority's programmed settings.

The utlity model has following characteristics:

1, adopt state-of-the art one-chip computer, make circuit structure simple, stable work in work, function is strong, and Cost is low, little power consumption.

2, adopt big capacity IC-card and Serial E²PROM has made things convenient for exchange and the storage of data as memory, Can automatically calculate, store each month and annual sales volume, total amount and every volume of should paying taxes.

3, adopt the Special reset chip can have stronger antijamming capability.

4, have the supplied by AC/DC electricity ability, automatic charging has a power failure and automaticallyes switch.

5, this controller is not only easy and simple to handle, and 800 statisticss can be provided the whole year, for the modern management and the macro-level policy-making of oil plant provides reliable basic data.

The utility model is an independent device, can with the supporting use of various fuel chargers, simple installation only needs sensor is fixed near the fuel charger sampling sensor, can reach and fuel charger synchronized sampling, equal accuracy, and can check or verification the fuel charger metering.

Claims

1. an IC-card computer fuel oil tax-accounting device comprises external circuit and interior circuit two parts, and external circuit includes panel (1), display screen (2), IC-card slot (3) and status indicator lamp (4); Interior circuit is by signal detecting unit (5), computing and storage unit (6) and demonstration and state is indicated, alarm unit (7) is formed, and it is characterized in that:

2, IC-card computer fuel oil tax-accounting device as claimed in claim 1, it is characterized in that: the pulse bandwidth filtering shaping circuit of signal detecting unit (5) is made up of IC5 and peripheral circuit R6-R9, C2-C6.

3, IC-card computer fuel oil as claimed in claim 1 is taxed, and device is characterized in that: 6 pin of the chip IC7 that resets of manual reset circuit link to each other with the 17th pin of IC1, and 7 pin of IC7 link to each other with IC1 the 9th pin by two not gate IC8.

4, IC-card computer fuel oil tax-accounting device as claimed in claim 1 is characterized in that: status indicator lamp (4) is included as pulse, IC-card, pulse per second (PPS) and civil power indication, and the light-emitting component LED1-LED4 by circuit correlation unit in being connected in finishes respectively.

5, as claim 1,2,3 described IC-card computer fuel oil tax-accounting devices, it is characterized in that: IC1 is AT89C52, and IC2, IC3 are 24C64, and IC4 is HT1380, and IC5 is NE555, and IC6 is MAX7219, and IC7 is IMP813L, and IC8 is 74HC04.