阅读说明：本技术 一种加油站防漏税系统及方法 (Tax-leakage-preventing system and method for gas station ) 是由 赵球红 杨鑫 于 2021-08-16 设计创作，主要内容包括：本发明属于加油站税务监测技术领域,具体公开了一种加油站防漏税系统,包括主板和至少一个位于主板上的CPU；系统还包括分别与CPU连接的电源模块、调试接口、参数采集组件、云平台和时钟模块；调试接口用于调试参数设置日志输出；时钟模块提供时间信息；参数采集组件至少包括油量编码器、液位传感器和报税口；油量编码器、液位传感器和报税口分别与CPU连接；油量编码器用于将出油量转化为脉冲信号发送至CPU；液位传感器用于测量油罐液位参数；报税口用于实时读取加油机的加油数据。本发明通过报税口、油量编码器、液位仪和液位传感器等检测的数据进行加油站出油量和进油量的核查,保证了成品油的销售数量,确保了税务数据准确。(The invention belongs to the technical field of gas station tax monitoring, and particularly discloses a gas station tax-leakage-prevention system, which comprises a mainboard and at least one CPU (central processing unit) positioned on the mainboard; the system also comprises a power module, a debugging interface, a parameter acquisition component, a cloud platform and a clock module which are respectively connected with the CPU; the debugging interface is used for debugging parameter setting log output; the clock module provides time information; the parameter acquisition component at least comprises an oil mass encoder, a liquid level sensor and a tax declaring port; the oil mass encoder, the liquid level sensor and the tax declaring port are respectively connected with the CPU; the oil quantity encoder is used for converting the oil outlet quantity into a pulse signal and sending the pulse signal to the CPU; the liquid level sensor is used for measuring liquid level parameters of the oil tank; and the tax declaring port is used for reading the refueling data of the refueling machine in real time. The invention checks the oil outlet quantity and the oil inlet quantity of the gas station through the data detected by the tax declaring port, the oil quantity encoder, the liquid level meter, the liquid level sensor and the like, ensures the sales quantity of the product oil and ensures the accuracy of tax data.)

1. A gas station leak protection tax system is characterized in that the system comprises a mainboard and at least one CPU (1) positioned on the mainboard;

the system also comprises a power module (7), a debugging interface (8), a parameter acquisition component, a cloud platform (13) and a clock module (14) which are respectively connected with the CPU (1);

the debugging interface (8) is used for debugging parameter setting log output;

the clock module (14) provides time information;

the parameter acquisition component at least comprises an oil volume encoder (3), a liquid level sensor (5) and a tax declaring port (2);

the oil encoder (3), the liquid level sensor (5) and the tax declaring port (2) are respectively connected with the CPU (1);

the oil quantity encoder (3) is used for converting the oil outlet quantity into a pulse signal and sending the pulse signal to the CPU (1);

the liquid level sensor (5) is used for measuring the liquid level parameters of the oil tank;

and the tax declaring port (2) is used for reading the oiling data of the oiling machine in real time.

2. A gas station tax leakage prevention system according to claim 1, characterized in that a 232 module (9) is further provided between the debugging interface (8) and the CPU (1);

the signal input end of the 232 module (6) is connected with the debugging interface (15), and the signal output end of the 232 module (6) is connected with the CPU (1).

3. A gas station tax leakage prevention system according to claim 1, characterized in that a network module (6) is arranged between the CPU (1) and the cloud platform (13);

the network module (6) is in signal connection with the CPU (1) and the cloud platform (13) respectively.

4. A gasoline station leak protection system according to claim 1, characterized in that it further comprises an optical coupler (11), said optical coupler (11) being connected to the fuel quantity encoder (3) and the CPU (1), respectively.

5. A gas station leak protection system according to claim 1, characterized in that the system further comprises a level meter (4);

the liquid level meter (4) is connected with the liquid level sensor (5) in a wired mode;

the liquid level meter (4) is connected with the CPU (1) through a 232 module (9).

6. A gasoline station leak protection system according to claim 1, characterized in that it further comprises a 485 module (10), said 485 module (10) being connected to said level sensor (5) and said CPU (1), respectively.

7. A gas station tax evasion prevention system according to claim 1, characterized in that said system further comprises a storage module (15);

the storage module (15) is connected with the CPU (1).

8. A gas station tax leakage prevention system according to claim 1, characterized in that said system further comprises a USB interface (12);

the USB interface (12) is connected with the CPU (1) and is used for data export and local upgrade.

9. A method for preventing taxes at a filling station, characterized in that it comprises at least the following steps, using the system according to any one of claims 1 to 8:

step 1, obtaining oiling data of an oiling machine through a tax declaring port (1) and sending the oiling data to a CPU (1);

step 2, converting the oil output of the oiling machine into a pulse signal through an oil encoder (3) and sending the pulse signal to the CPU (1);

step 3, measuring the liquid level parameter of the oil tank through a liquid level sensor (5) and sending the liquid level parameter to the CPU (1);

step 4, the CPU (1) compares the information acquired by the data in the step 1-3, if the number of rises in the tax declaring port (2), the oil output of the oil encoder (3) and the parameter comparison result of the liquid level sensor (5) are within the threshold range, no tax leakage phenomenon exists, and if the comparison result exceeds the threshold, the tax leakage phenomenon exists;

and step 5, the CPU (1) sends the comparison result to the cloud platform (13).

10. A gas station tax leakage prevention method according to claim 9, characterized in that in step 3, the liquid level sensor (5) sends parameters to the liquid level meter (4) and the CPU (1) simultaneously, the liquid level meter (4) calculates the oil output according to the parameters of the liquid level sensor (5) through a mainboard program, and the CPU (1) calculates the oil output through a tank volume meter.

Technical Field

The invention belongs to the technical field of gas station tax monitoring, and particularly relates to a gas station tax leakage prevention system and method.

Background

With the development of transportation business, due to benefit driving brought by the increase of the sale of the finished oil, the shortage of relevant laws and regulations and the laggard management technology of supervision departments, the statistical supervision of the circulation data of the finished oil is limited, the management intensity is insufficient, and the phenomenon that some oil product sellers use cheating means on oiling machines to earn illegal benefits occurs, the financial system of a plurality of filling stations is not perfect, so that the sale quantity and the amount of the finished oil cannot be accurately mastered, and the statistical analysis of the circulation data of the finished oil in the region is influenced.

In the prior art, by introducing a tax cloud management concept and utilizing an internet of things plus technical means, the sales data is ensured to be real and reliable, so that the whole-chain tax administration management of the finished oil is strengthened, and the tax administration management of a gas station is further strengthened.

Therefore, in order to prevent the phenomenon of tax evasion caused by the misbehavior of tax return data due to the falsification of the fuel dispenser sponsoring data, the technical problem to be solved by the technical personnel in the field is to provide a new gas station tax evasion prevention system.

Disclosure of Invention

The invention aims to overcome the defect of tax leakage caused by tampering of a program of a mainboard of an oiling machine in the prior art, and provides a tax leakage prevention system for a gas station.

The invention provides a gas station tax-leakage-prevention system, which comprises a mainboard and at least one CPU (central processing unit) positioned on the mainboard, wherein the mainboard is provided with a plurality of CPU channels;

the system also comprises a power module, a debugging interface, a parameter acquisition component, a cloud platform and a clock module which are respectively connected with the CPU;

the debugging interface is used for debugging parameter setting log output;

the clock module provides time information;

the parameter acquisition component at least comprises an oil encoder, a liquid level sensor and a tax declaring port;

the oil volume encoder, the liquid level sensor and the tax declaring port are respectively connected with the CPU;

the oil quantity encoder is used for converting the oil outlet quantity into a pulse signal and sending the pulse signal to the CPU;

the liquid level sensor is used for measuring liquid level parameters of the oil tank;

and the tax declaring port is used for reading the oiling data of the oiling machine in real time.

In a further scheme, a 232 module is also arranged between the debugging interface and the CPU;

the signal input end of the 232 module is connected with the debugging interface, and the signal output end of the 232 module is connected with the CPU.

A network module is arranged between the CPU and the cloud platform;

and the network module is respectively in signal connection with the CPU and the cloud platform.

The oil quantity encoder is connected with the CPU through an optical coupler.

The system further comprises a liquid level meter;

the liquid level meter is connected with the liquid level sensor in a wired mode;

the liquid level meter is connected with the CPU1 through a 232 module.

In a further scheme, the liquid level sensor is connected with the CPU through a 485 module.

The system further comprises a storage module;

the storage module is connected with the CPU.

The system further comprises a USB interface;

the USB interface is connected to the CPU1 for data export and local upgrade.

Further, the model of the CPU is pic32mx795f512 l.

Further, the model of the 232 module is MAX 232.

In a second aspect of the present invention, a method for preventing tax evasion at a gas station is provided, which at least includes the following steps:

step 1, obtaining oiling data of an oiling machine through a tax declaring port and sending the oiling data to a CPU (central processing unit);

step 2, converting the oil output of the oiling machine into a pulse signal through an oil encoder and sending the pulse signal to a CPU;

step 3, measuring the liquid level parameters of the oil tank through a liquid level sensor and sending the parameters to a CPU;

step 4, the CPU compares the information acquired by the data acquired in the step, if the number of rises in the tax declaring port, the oil output of the oil encoder and the parameter comparison result of the liquid level sensor are within the threshold range, no tax leakage phenomenon exists, and if the comparison result exceeds the threshold, the tax leakage phenomenon exists;

and 5, the CPU sends the comparison result to the cloud platform.

In a further scheme, in the step 3, the liquid level sensor simultaneously sends parameters to the liquid level instrument and the CPU, the liquid level instrument calculates the oil output according to the parameters of the liquid level sensor through a mainboard program, and the CPU calculates the oil output through the oil tank volumetric meter

Compared with the prior art, the invention has the beneficial effects that:

(1) the invention judges whether the data of the tax declaring port is accurate or not by comparing the oil output information measured by the oil encoder, the tax declaring port data and the liquid level meter data, thereby avoiding tax evasion and tax evasion caused by tampering the program of the main board of the oiling machine and effectively solving the long-standing hidden income behavior of the industry of the gas station.

(2) According to the invention, the liquid level sensor is directly connected with the CPU through the 485 module, and the oil quantity data in the oil tank can be calculated through the volume meter of the oil tank, so that data errors caused by tampering of a liquid level instrument program are prevented.

(3) The invention checks the oil outlet quantity and the oil inlet quantity of the gas station through the data detected by the tax declaring port, the oil quantity encoder, the liquid level meter, the liquid level sensor and the like, ensures the sales quantity of the product oil and ensures the accuracy of tax data.

Drawings

The invention is illustrated and described only by way of example and not by way of limitation in the scope of the invention as set forth in the following drawings, in which:

FIG. 1: the connection structure of the invention is a schematic diagram;

in the figure: the system comprises a CPU (central processing unit), a tax declaring port 2, an oil encoder 3, a liquid level meter 4, a liquid level sensor 5, a network module 6, a power supply module 7, a debugging interface 8, a 9232 module, an 10485 module, an 11 optical coupler, a 12USB (universal serial bus) interface, a 13 cloud platform and a 14 clock module.

Detailed Description

In order to make the objects, technical solutions, design methods, and advantages of the present invention more apparent, the present invention will be further described in detail by specific embodiments with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in FIG. 1, the invention provides a gas station tax evasion prevention system, comprising a mainboard and at least one CPU1 located on the mainboard;

the system also comprises a power module 7, a debugging interface 8, a parameter acquisition component, a cloud platform 13 and a clock module 14 which are respectively connected with the CPU 1;

the debugging interface 8 is used for debugging parameter setting log output;

the clock module 14 provides time information;

the parameter acquisition component at least comprises an oil encoder 3, a liquid level sensor 5 and a tax declaring port 2;

the oil encoder 3, the liquid level sensor 5 and the tax declaring port 2 are respectively connected with the CPU 1;

the oil quantity encoder 3 is used for converting the oil outlet quantity into a pulse signal and sending the pulse signal to the CPU 1;

the liquid level sensor 5 is used for measuring the liquid level parameters of the oil tank;

the tax declaring port 2 is used for reading the oiling data of the oiling machine in real time, and the specific oiling data comprises the number of liters, unit price, amount, time and the like.

In this embodiment, the CPU1 has a model of pic32mx795f512 l.

Optionally, a 232 module 9 is further disposed between the debugging interface 8 and the CPU 1; the signal input end of the 232 module 6 is connected with the debugging interface 15, and the signal output end of the 232 module 6 is connected with the CPU 1.

Optionally, a network module 6 is disposed between the CPU1 and the cloud platform 13; the network module 6 is in signal connection with the CPU1 and the cloud platform 13, and is configured to send information acquired by the CPU1 to the cloud platform 13, so as to implement remote monitoring.

Optionally, the oil volume encoder 3 is connected to the CPU1 via an optical coupler 11, and is used for isolating the oil volume encoder signal.

In this embodiment, the system further comprises a level meter 4; the liquid level meter 4 is connected with the liquid level sensor 5 in a wired mode; the liquid level meter 4 is connected with the CPU1 through a 232 module 9; the liquid level sensor 5 is connected with the CPU1 through a 485 module. Wherein, the 485 module is used for acquireing 10 level sensor 5's liquid level parameter, and 232 module 9 is used for acquireing the oil mass isoparametric of level gauge.

Optionally, the system further comprises a storage module 15; the storage module 15 is connected to the CPU1 for storing data.

Optionally, the system further comprises a USB interface 12; the USB interface 12 is connected to the CPU1 for data export and local upgrade.

In this embodiment, the model of the 232 module 6 is MAX 232.

The working principle of the invention is as follows:

the invention sets the liquid level sensor 5 in the oil tank of the gas station, connects with the liquid level meter 4 by wire connection, sets the oil encoder 3 on the oil outlet pipeline of the oiling machine, connects with the tax declaring port 2 of the oiling machine by 232 module, sets the system into two sets when in implementation, wherein one set is integrated on the mainboard of the oiling machine, and the other set is integrated on the mainboard of the liquid level meter. When the CPU1 detects the pulse signal of the fuel quantity encoder 3, the system enters a fuel quantity metering state, and when the fuel filling is judged to be finished, the fuel quantity is stored in the storage unit; reading data of the tax declaring port 2 through a 232 module 9, wherein the data comprises information such as the number of rises, unit price, amount of money, time and the like; acquiring the oil tank allowance information of the liquid level instrument 4 through the 485 module 10; by comparing the oil output information measured by the oil encoder 3, the data of the tax declaring port 2 and the data of the liquid level meter 4, whether the data of the tax declaring port 2 is accurate or not and whether the tax evasion phenomenon exists or not is judged. CPI1 sends the data to the local or cloud platform 13 via the network module 6 for reference by tax monitoring personnel. Specifically, when the oil output rise number of the tax declaring port 2 is the same as the oil output information measured by the oil encoder 3 and the data of the liquid level meter 4, the tax declaring data is accurate. The tax declaring port of the oiling machine is controlled by the mainboard program, and if the mainboard program is tampered, the problems of tax declaring error and tax evasion can occur. Moreover, when the liquid level sensor 5 sends the liquid level parameter to the liquid level meter 4, the liquid level meter 4 checks the oil output quantity of the oil tank and the residual quantity of the oil tank through standards such as an oil tank volume meter, and the like, and the liquid level meter 4 is also controlled through a main board, so that in the invention, the liquid level sensor 5 is also directly connected to the CPU1 through the 485 module 10, the CPU1 sends the liquid level parameter of the liquid level sensor 5 to the cloud platform 13, a worker can calculate the oil quantity of the oil tank again through the oil tank volume meter, errors of tax declaring data are further avoided, and the tax declaring system has the advantages of high accuracy, good stability and strong cheating prevention function, and is favorable for strengthening tax administration of a gas station.

Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.