CN110111512B - Simple tax control disk for small and medium-sized tax enterprises, tax control machine and control method of simple tax control disk - Google Patents
Simple tax control disk for small and medium-sized tax enterprises, tax control machine and control method of simple tax control disk Download PDFInfo
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- CN110111512B CN110111512B CN201910344804.6A CN201910344804A CN110111512B CN 110111512 B CN110111512 B CN 110111512B CN 201910344804 A CN201910344804 A CN 201910344804A CN 110111512 B CN110111512 B CN 110111512B
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Abstract
The invention relates to a simple tax control disk, a tax control machine and a simple tax control disk control method for small and medium-sized tax enterprises, wherein the simple tax control disk comprises the following components: the USB interface communication module is used for communicating with an upper computer; the main control chip module is used for carrying out data interaction with the upper computer, analyzing the instruction sent by the upper computer, acquiring the analyzed instruction, issuing invoice electronic information according to the analyzed instruction, and is connected with the USB interface communication module. The hardware system of the simple tax control disk only provides the main control chip module and the USB interface communication module, and saves a real-time clock chip, a battery, a safety chip and a storage chip in the traditional tax control disk, thereby not only greatly reducing the hardware cost of products, but also reducing the complexity of software and hardware of the products and the probability of the failure of the software and hardware of the products.
Description
Technical Field
The invention relates to the technical field of tax control, in particular to a simple tax control disk, a tax control machine and a simple tax control disk control method for small and medium-sized tax enterprises.
Background
Because of being limited by the development level of the prior electronic technology and network technology, the current billing system based on the embedded tax control equipment such as a tax control disk still supports the use of various offline billing scenes, and performs data intercommunication with a tax bureau local server through the tax disk. Meanwhile, by continuously upgrading the updated new version billing software and the tax control disk, the current billing system supports a billing system interacting with the office side of the tax bureau through the internet, as shown in fig. 1.
Meanwhile, in order to meet the use requirements of users, the hardware architecture of the current tax control disk product comprises the following main parts:
master control chip
The main control chip adopts a macro electronic HS32U2 chip. The HS32U2 chip is a system-level password security chip developed by Hongsi corporation and having the characteristics of multiple functions, high performance, high security, low power consumption, low cost and the like. The main control chip is also provided with a 256K safe storage space.
Real-time clock chip
An S-25290A real-time clock chip of SEIKO (SEIKO) corporation of japan is used, which is a two-wire CMOS real-time clock IC operable in an ultra-low consumption current, wide operating voltage range.
Memory chip
The data memory adopted by the product is LandFlash of 1Gbit of Samsung, SUMSUNG 149K9F1G08U 0A. The core processor is connected with the memory through the LandFlash control interface to control the reading and writing of invoice detail data in the memory.
USB interface circuit
The USB interface circuit is a circuit part for connecting and communicating the tax control disk with an upper computer, and comprises a connector, a circuit protection part, a communication channel, a power circuit and the like.
Security chip
The security chip is specially used for the tax control panel and provides a security control function. The chip interface and communication protocol conforms to the 7816 protocol.
In a file system architecture of a current tax control disk software framework, except that part of core management data is stored in a safe storage area in a 256K COS chip, most of application data is stored in a 1G bit LandFlash chip.
However, currently, tax control devices such as tax control disks and gold tax disks are limited by the immaturity of electronic information and network technology at that time, and meanwhile, the tax control devices are designed to meet the use requirements of most tax payers as much as possible, so that more functions exceed the use requirements of current part of taxpayers, especially small and medium-sized tax payers, and some functional redundancy and defects are exposed.
First, the current tax control devices are limited by the lack of network popularity at that time, and must be used in conjunction with an offline billing system. Although the current embedded device supports online use scenarios such as invoice uploading, invoice field purchasing through network and the like with the subsequent upgrading and updating of tax control devices and the rising of real-time invoice supervision requirements of tax departments, many functions used in matching offline scenarios are still reserved. The functional modules matched with the offline scenes for use increase the elasticity of the use scenes of the user, but also enable the tax control equipment to be matched with more storage space and calculation capacity, improve the product cost and increase the burden of taxpayers.
Secondly, the current tax control equipment needs to support the use in an off-line scene, and a clock chip and a button battery are matched on hardware. Under the condition that the current taxpayer is generally networked, the tax control equipment can support to directly obtain the reliable time through the network. The current scheme improves the product cost on one hand, and on the other hand, the clock chip damage or button battery power failure caused by the scheme is the most frequent product fault of the current tax control equipment.
Finally, the existing tax control equipment is limited by earlier software and hardware implementation technologies for supporting some redundant functions and modules, and a single security chip is used for encryption and decryption processing of core tax control functions such as tax control codes. This also increases the cost of the product and also increases the product failures due to the use of the security chip.
Therefore, the simple tax control disk, the tax control machine and the control method of the simple tax control disk for small and medium tax enterprises are provided.
Disclosure of Invention
In view of the above problems, the present invention is proposed to provide a simple fiscal disc, a fiscal control machine and a simple fiscal disc control method for small and medium tax enterprises, which overcome or at least partially solve the above problems, and solve the problems of high cost and high failure rate of the existing fiscal disc due to redundant hardware modules.
According to one aspect of the invention, a simple tax control disk for small and medium tax enterprises is provided, and a hardware system of the simple tax control disk comprises:
the USB interface communication module is used for communicating with an upper computer;
the main control chip module is used for data interaction with the upper computer and also used for analyzing the instruction sent by the upper computer, acquiring the analyzed instruction, issuing invoice electronic information according to the analyzed instruction,
the main control chip module is connected with the USB interface communication module.
Furthermore, the USB interface communication module is a USB interface circuit, and the USB interface circuit includes a connector, a circuit protector, a communication channel, and a power circuit.
Further, the main control chip module includes:
the tax control command analysis unit is used for analyzing the instruction sent by the upper computer, acquiring the analyzed instruction and sending the instruction to the tax control application management unit;
the tax control application management unit is used for taking time from a tax bureau end through the upper computer, sending the time and the invoice details to the safety mechanism control unit, purchasing blank invoice electronic information, receiving the anti-counterfeiting tax control code, and generating complete invoice electronic information according to the blank invoice electronic information, the anti-counterfeiting tax control code and the invoice details;
the safety mechanism control unit is used for controlling the safety of data access and calling the tax control safety unit;
and the tax control safety unit is used for receiving and generating an anti-counterfeiting tax control code according to the time and the invoice detail, and sending the anti-counterfeiting tax control code to the safety mechanism control unit through the safety mechanism control unit.
Further, the security mechanism control unit calls a cryptographic algorithm and a key.
Further, the main control chip module further comprises: and the file system is used for storing a main control chip starting system, an application starting system, an operating system and application data.
Further, the main control chip module further comprises: and the hardware driving unit is used for controlling the hardware equipment to work.
Furthermore, the tax control command analysis unit is electrically connected to the tax control application management unit, the tax control application management unit is electrically connected to the safety mechanism control unit, the safety mechanism control unit is electrically connected to the file system, the file system is electrically connected to the hardware driving unit, and the safety mechanism control unit is electrically connected to the tax control safety unit.
Furthermore, the USB interface communication module also comprises a USB communication management unit which is used for being responsible for communication processing between the USB interface communication module and the upper computer.
According to another aspect of the invention, a tax control machine is provided, which comprises the simple tax control disk for small and medium tax enterprises.
According to another aspect of the present invention, there is provided a control method of the above simple tax control disk for small and medium tax enterprises, including:
the USB interface communication module is communicated with the upper computer;
the main control chip module receives an instruction sent by an upper computer and obtains an analyzed instruction;
the main control chip module takes time from the tax bureau end through the upper computer and leads to purchase electronic information of blank invoices, and generates anti-counterfeiting tax control codes according to time and invoice details;
the main control chip module generates complete invoice electronic information according to the blank invoice electronic information, the anti-counterfeiting tax control code and the invoice detail;
the main control chip module dynamically stores the complete invoice electronic information in the local.
Compared with the prior art, the invention has the following advantages:
1. the hardware system of the simple tax control disk for the small and medium-sized tax enterprises only provides the main control chip module and the USB interface communication module, and saves a real-time clock chip, a battery, a safety chip and a storage chip in the existing tax control disk, thereby not only greatly reducing the hardware cost of products, reducing the burden of taxpayers and tax departments, but also reducing the complexity of software and hardware of the products and the probability of the failure of the software and hardware of the products;
2. the simple tax control disk, the tax control machine and the control method of the simple tax control disk for the small and medium-sized tax enterprises of the invention optimize the software and hardware of products and simultaneously meet the tax control requirements of most of small and medium-sized enterprises with network environments.
Drawings
The invention is further illustrated by the following figures and examples.
FIG. 1 is a prior art billing system;
FIG. 2 is a block diagram of a hardware system of a tax control disk in the prior art;
FIG. 3 is a block diagram of the hardware system of the easy fiscal disc of the present invention;
FIG. 4 is a system block diagram of a master control chip module of the present invention;
FIG. 5 is a step diagram of the simple tax control disk control method of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Fig. 3 is a block diagram of a hardware system of the simple tax control panel of the present invention, and referring to fig. 3, the hardware system of the simple tax control panel for small and medium tax enterprises provided by the present invention includes:
the USB interface communication module is used for communicating with an upper computer;
the main control chip module is used for data interaction with the upper computer and also used for analyzing the instruction sent by the upper computer, acquiring the analyzed instruction, issuing invoice electronic information according to the analyzed instruction,
the main control chip module is connected with the USB interface communication module.
The upper computer is a PC or other equipment which is connected with the simple tax control disk product and is provided with an invoicing system. The electronic invoice information is electronic edition information of legal invoices which can be used for tax declaration, deduction and other operations at a tax bureau end.
Wherein, the main control chip adopts a Hongsi electronic new HSC32K1 type chip with high cost performance. The HSC32K1 type chip is internally provided with 256K storage space, and is a system-level password security chip with the characteristics of high cost performance, high security, low power consumption and the like.
Compared with the method shown in the figure 2, the simple tax control disk hardware architecture in the figure 3 omits a real-time clock chip, a button battery and a LandFlash storage chip, and guarantees that the simple tax control disk can still meet the invoicing requirements of most taxpayers through methods of improving software, operating processes and the like.
After the LandFlash chip is removed from the simple tax control disk, the built-in 256K storage space of the simple tax control disk is directly used to ensure through software optimization and existing hardware performance mining: the method comprises the steps of storing data of four parts, namely a main control chip BOOT (starting system), an application BOOT (starting system), an operating system and application data.
The working principle of the simple tax control panel of the invention is as follows: the tax payer directly inserts the simple tax control disc product into the USB socket of the upper computer in a hardware connection mode. The invoice tax control disc product communicates with the upper computer according to a USB protocol, and an interface part (namely a USB interface part) in the product is responsible for receiving instructions from the upper computer and transmitting instruction execution states and result data to the upper computer. Inside, the USB interface part transmits the instruction received from the upper computer to the built-in safe operating system of the simple tax control disk, receives the return data and the execution state from the safe operating system part, and then transmits the execution state and the result data to the upper computer through the USB interface. In the system, the main control chip in the safe operating system works under the control of operating system software to complete tasks such as resource management, process control, command interpretation, safety control, input and output, and the like, so that the current simple tax control panel supports the following core tax control functions: the invoice tax control code and the invoice tax control data are correctly generated and reliably stored; monitoring management data are stored, and updating can be carried out only in a designated safety mode; no security hole is generated; generating a data submission signature; supporting algorithm downloading and secret key downloading; the interface above the USB2.0 specification is supported, and automatic identification can be realized; storing and managing invoice information; and under the condition of sudden power failure, the correctness and the integrity of the data in the tax control memory are ensured.
Furthermore, the USB interface communication module is a USB interface circuit, and the USB interface circuit is a circuit part for connecting and communicating the simple tax control disk with an upper computer and comprises a connector, a circuit protection part, a communication channel, a power circuit and the like.
Specifically, the USB interface communication module further includes a USB communication management unit, which is responsible for communication processing between the host and the management software, and the host and the simple fiscal disk are connected via a USB (compliant with USB2.0 or higher specification) connection port, and the simple fiscal disk is inserted into a USB port of the host on which the Microsoft Windows 2000 and Linux 2.4.x operating systems are installed, so that the host can automatically identify the simple fiscal disk without installing a driver, and the host can operate the simple fiscal disk only through a well-defined interface command. The dumb fiscal disk must be a USB device that conforms to the MSC and BOT specifications in the USB mass storage class. Besides the well-defined interface command, the SIMS shall also support the SCSI REQUEST _ SENSE command for the upper computer to read the error type code from the SIMS. The universal file operation command of the USB storage device is not allowed to directly operate the files and data in the simple tax control disk.
Further, the main control chip module includes:
the tax control command analysis unit is used for analyzing the instruction sent by the upper computer, acquiring the analyzed instruction and sending the instruction to the tax control application management unit;
specifically, the tax control command analysis module is used for analyzing the instruction sent by the upper computer, and the tax control application management module executes corresponding operation.
The operation of the upper computer on the simple tax control disk is based on:
bCBWLUN＝0；
bCmdCode＝0xFE；
bCBdSubCode is 0xXX, and defines the command codes of various interface commands, wherein Bit7 is 0, which represents that the command is a simple tax control disk command;
in the command codes, 0x 00-0 x3F are reserved as simple tax control disk commands, 0x 80-0 xBF are reserved as tax declaring disk commands, 0x 40-0 x6F are reserved for other tax control purposes, and other command codes are manufacturer self-defined command codes.
The tax control application management unit is used for taking time from a tax bureau end through the upper computer, sending the time together with invoice details to the safety mechanism control unit, receiving the anti-counterfeiting tax control code and purchasing blank invoice electronic information, and generating complete invoice electronic information according to the blank invoice electronic information, the anti-counterfeiting tax control code and the invoice details;
specifically, the method realizes the invoice tax control management function, and is matched with a host and management software to realize the technical requirements of the invoice tax control function, and is used for generating, storing and transmitting invoice tax control data. And receiving the interface command sent by the host, and finishing the operation specified by the interface command. The main functions are as follows: the simple tax control disk is initially personalized; issuing an invoice; making a waste invoice; reporting the summarized data and the detailed data; returning monitoring management data; clock calibration of the simple tax control panel; execution of a security command; managing invoices; and updating the management information. Compared with the common tax control disk, the simple tax control disk is greatly updated on the tax control application management module so as to meet the requirements of a brand new hardware architecture and an operation flow of the simple tax control disk, and the simple tax control disk mainly comprises the following improvements: the time of the existing tax control disk is required to be billed off line, and the hardware solution of a clock chip and a button battery is adopted to ensure that the time applied by each instruction and safety control of the tax control disk is correct. The simple tax control disk adopts the scheme of accessing the tax bureau local server network for time taking after being electrified, and does not need the hardware structure of a clock chip and a button battery. The clock abnormal faults caused by the clock chip or the button cell which are most frequently generated by the existing tax control panel are not a problem, and meanwhile, the simple tax control panel is not limited to the trial period of 3-5 years caused by the electric quantity of the button cell any more, and the problems of clock chip timing advance, delay and the like caused by temperature, humidity and other problems can not occur; the existing tax control disk supports the storage upper limit of 16 invoice segments in the disk due to the complex flow and long time consumption of tax disk application, and is matched with complex invoice return/distribution instructions and the like to ensure the management of the multiple invoice segments. The simple tax control disk combines the invoice segment network purchase leading function, only two segments of invoice segment storage are supported in the disk, the normal invoicing use of a taxpayer can be ensured, and matched instructions such as invoice/return and the like are removed; the existing tax control disk is matched with 1G bit LandFlash storage due to the storage requirement of off-line invoicing of a large batch of invoices in a copying and reporting period (month/season), guarantees the detailed storage of about 10 ten thousand invoices issued by a taxpayer in daily life, and supports the recording of monthly invoice statistical summary data of 36 months. The simple tax control disk of the invention combines the invoice uploading function, only needs to support the storage of 5 invoice particulars in the disk, uploads the successful invoices immediately, rolls the invoice particulars which are uploaded to the tax bureau office immediately after the invoicing amount exceeds 5. Meanwhile, the simple tax control disk also optimizes the functions of relevant invoice reading, statistics and the like, and only stores monthly summarized data of 6 months. On one hand, the simple tax control disk reduces the cost and simultaneously meets the invoicing requirements of most taxpayers, on the other hand, the file system burden of the simple tax control disk is greatly reduced, the data reading efficiency is improved, and the probability of software failure is reduced; the existing tax control disk supports the normal use of all taxpayers, thereby supporting the application of special conditions such as overlarge bill invoices of thousands of commercial lines, matching a 'cascade read/write' operation instruction for supporting the storage of large data blocks exceeding 64K, and carrying out complex compatible design on part of the instruction. The simple tax control disk only has 256K storage space to realize the storage of four parts of data of a main control chip BOOT, an application BOOT, an operating system and application data, is a subdivision model meeting the requirements of common small and medium taxpayers, only supports the detailed storage of a single invoice not greater than 2K, and removes the redundant design of a cascade read/write instruction and a part of instruction for a large data block; the existing tax control disk needs to support the requirement of off-line invoice submission, combines the 1G bit LandFlash storage thereof, and is matched with the operation of 'submission data read/write/read index', so that a single tax control disk can store a plurality of pieces of submission data of the tax control disk and copy the submission data together. The simple tax control disk supports network transcription, and related instructions are removed.
The safety mechanism control unit is used for controlling the safety of data access and calling the tax control safety unit;
and particularly, the system is responsible for access control of all data in the disk, and fully ensures the safety of the data of the safety system. The safety system is designed from the data safety point of view, the safety of each part is put at the first place in the realization process, and the safety system is proved to be safe by long-time theory and practice. The application in the aspects of issuing invoices, reporting bill information, data carriers and the like is completely met. In principle, it can be divided into security states, security attributes, security mechanisms, cryptographic algorithms and key management mechanisms. The security mechanism control module is also connected with a secret key, an algorithm and a tax control security module, and when the security mechanism is needed, the symmetric/asymmetric secret key and various national/commercial algorithms are called; and normal realization of functions such as calculation of tax control codes and tax control safety control of the original safety chip is ensured by calling the tax control safety module.
And the tax control safety unit is used for receiving and generating an anti-counterfeiting tax control code according to the time and the invoice detail, and sending the anti-counterfeiting tax control code to the safety mechanism control unit through the safety mechanism control unit.
Specifically, the tax control security module is a newly added software module of the simple tax control disk. After the simple tax control disk removes the security chip from the hardware, the tax control security module is newly researched, developed and upgraded by digging the performance of the new main control chip, so that the complete replacement of the functions of the security chip is realized. The tax control security module replacing the security chip is the control core of the simple tax control panel, and mainly realizes the following functions: generating a tax control code; checking the invoice time; controlling the number of invoices; controlling the invoicing amount; calling a tax control algorithm; other tax control core control functions.
The hardware system of the simple tax control disk for the small and medium-sized tax enterprises only provides the main control chip module and the USB interface communication module, and omits a real-time clock chip, a battery, a safety chip and a storage chip in the existing tax control disk, thereby not only greatly reducing the hardware cost of products, reducing the burden of taxpayers and tax departments, but also reducing the complexity of software and hardware of the products and the probability of the failure of the software and hardware of the products.
Further, the main control chip module further comprises: and the file system is used for storing the main control chip starting system, the application starting system, the operating system and the application data.
Specifically, the simple tax control disk file system can perfectly support daily invoicing requirements of most of small and medium taxpayers only by optimizing the process and simplifying the functions and codes and occupying an application data area space of < 70K.
Further, the main control chip module further comprises: and the hardware driving unit is used for controlling hardware equipment to work, such as controlling the main control chip module and the USB interface communication module.
Furthermore, the tax control command analysis unit is electrically connected to the tax control application management unit, the tax control application management unit is electrically connected to the safety mechanism control unit, the safety mechanism control unit is electrically connected to the file system, the file system is electrically connected to the hardware driving unit, and the safety mechanism control unit is electrically connected to the tax control safety unit.
According to another aspect of the invention, a tax control machine is provided, which comprises the simple tax control disk for small and medium tax enterprises.
Fig. 5 is a step diagram of a simple tax control disk control method of the present invention, and referring to fig. 5, the simple tax control disk control method for small and medium tax enterprises provided by the present invention includes:
the USB interface communication module is communicated with the upper computer;
the main control chip module receives an instruction sent by an upper computer and obtains an analyzed instruction;
the main control chip module takes time from the tax bureau end through the upper computer and leads to purchase electronic information of blank invoices, and generates anti-counterfeiting tax control codes according to time and invoice details;
the main control chip module generates complete invoice electronic information according to the blank invoice electronic information, the anti-counterfeiting tax control code and the invoice detail;
the main control chip module dynamically stores the complete invoice electronic information in the local.
The main control chip module stores complete invoice electronic information dynamically locally, and specifically comprises:
after the invoice is issued, the electronic information of the invoice is stored in a tax control disk local;
the upper computer transmits the invoice electronic information to the tax office side and acquires uploading success confirmation information sent by the tax office side;
the upper computer sends the uploading success confirmation information to the tax control panel;
and after the tax control disk reaches a rolling condition, deleting the electronic information of the local invoice which is uploaded and successfully confirmed and is originally issued, wherein the rolling condition is as follows: the simple tax control disk locally stores 5 full sheets and issues a new invoice.
As for the method embodiment, since it is basically similar to the apparatus embodiment, the description is simple, and the relevant points can be referred to the partial description of the apparatus embodiment.
For simplicity of explanation, the method embodiments are described as a series of acts or combinations, but those skilled in the art will appreciate that the embodiments are not limited by the order of acts described, as some steps may occur in other orders or concurrently with other steps in accordance with the embodiments of the invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.
The simple tax control disk, the tax control machine and the control method of the simple tax control disk for the small and medium-sized tax enterprises of the invention optimize the software and hardware of products and simultaneously meet the tax control requirements of most of small and medium-sized enterprises with network environments.
The invention relates to a novel high-cost-performance tax control device which is designed by a novel safety chip and software and aims at small and medium tax payers with network conditions, combines the functions of invoice uploading, invoice field online purchasing, online copying and the like which are popularized in the current New-edition tax control system, and is completed by using a novel safety chip and software. The optimization aspects mainly comprise the following points:
hardware architecture optimization
Compared with the common tax control panel, the hardware architecture of the simple tax control panel is greatly optimized, and a real-time clock chip, a button battery and a LandFlash memory chip are eliminated. The simple tax control disk can still meet the invoicing requirements of most taxpayers by improving software, operation procedures and other methods, the product cost is greatly reduced, and the product failure rate caused by hardware problems is also reduced.
Increase tax control security module
After the tax-control disk removes the security chip from the hardware, the tax-control security module is newly developed and upgraded by digging the performance of the new main control chip, so that the function of the security chip is completely replaced. Through the tax control security module, the simple tax control disk realizes tax control security functions such as generation of tax control codes, invoice time check, invoicing number/amount control, tax control algorithm calling and the like.
Local side network time taking
The simple tax control disk adopts a scheme of accessing the tax bureau local server network for time taking after being electrified, and does not need a hardware structure of a clock chip and a button battery. The clock abnormal fault caused by the clock chip or the button cell which is most frequently generated by the common tax control panel does not become a problem, and meanwhile, the simple tax control panel is not limited to the trial period of 3-5 years caused by the electric quantity of the button cell, and the problems of clock chip timing advance, delay and the like caused by temperature, humidity and other problems can not occur.
Application management module optimization
The simple tax control disk combines the functions of network purchase, online copying and reporting, invoice uploading and the like which are promoted to numerous taxpayers by the current tax department, and is matched with an optimized hardware architecture to optimize and delete a plurality of redundant software functions.
By combining the invoice segment network purchase leading function, normal invoicing use of the taxpayer can be ensured only by supporting two segments of invoice segment storage in the disk, and meanwhile, matched instructions such as invoice/return and the like are removed.
And combining the invoice uploading function, only supporting the upper storage limit of the detail of 5 invoices in the disc, immediately uploading the successfully issued invoices, and immediately storing the uploaded invoice detail after the issued amount exceeds 5 invoices. Meanwhile, the functions of invoice reading, statistics and the like are optimized, and only monthly summarized data of 6 months are stored.
Aiming at the actual requirements of small and medium-sized enterprises, a hardware architecture is optimized in a matched manner, only the 2K size upper limit of a single invoice is supported, and the redundant design of a cascade read/write instruction and a part of instructions aiming at a large data block is eliminated.
And the network copy report is combined, so that the related instructions of the operation of reading/writing/reading index of report data are removed.
File system optimization
The simple tax control disk file system can perfectly support daily invoicing requirements of most of small and medium taxpayers only by occupying an application data area space of <70K through process optimization, function and code simplification.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. A simple tax control disk for small and medium tax enterprises is characterized in that a hardware system of the simple tax control disk comprises:
the USB interface communication module is used for communicating with an upper computer;
the main control chip module is used for carrying out data interaction with the upper computer and analyzing the instruction sent by the upper computer, acquiring the analyzed instruction, issuing invoice electronic information according to the analyzed instruction,
the main control chip module is connected with the USB interface communication module;
the main control chip module includes:
the tax control command analysis unit is used for analyzing the instruction sent by the upper computer, acquiring the analyzed instruction and sending the instruction to the tax control application management unit;
the tax control application management unit is used for taking time from a tax office end through the upper computer, sending invoice details which are sent together with the upper computer to the safety mechanism control unit, purchasing blank invoice electronic information, receiving the anti-counterfeiting tax control code, and generating complete invoice electronic information according to the blank invoice electronic information, the anti-counterfeiting tax control code and the invoice details; the method is characterized in that the normal invoicing use of the taxpayer can be ensured only by supporting two sections of invoice section storage in a disk in combination with the invoice section network purchase leading function, and meanwhile, invoice/return matching instructions are removed; combining an invoice uploading function, only supporting the storage upper limit of 5 invoice details in a disc, uploading the successfully issued invoices in real time, scrolling the invoice details uploaded to a tax bureau end in real time when the issued invoice amount exceeds 5 invoices, optimizing related invoice reading and counting functions and storing monthly summarized data of 6 months; moreover, only 2K upper limit of the size of a single invoice is supported, and redundant designs of a cascade read/write instruction and a part of instructions for a large data block are eliminated; the network copy report is combined, and the related instructions of 'report data read/write/read index' operation are removed;
the safety mechanism control unit is used for controlling the safety of data access and calling the tax control safety unit;
the tax control safety unit is used for receiving and generating an anti-counterfeiting tax control code according to the time and the invoice detail, and sending the anti-counterfeiting tax control code to the safety mechanism control unit through the safety mechanism control unit;
the main control chip module further comprises: the file system is used for storing a main control chip starting system, an application starting system, an operating system and application data;
the main control chip module further comprises: the hardware driving unit is used for controlling the hardware equipment to work;
the tax control command analysis unit is electrically connected to the tax control application management unit, the tax control application management unit is electrically connected to the safety mechanism control unit, the safety mechanism control unit is electrically connected to the file system, the file system is electrically connected to the hardware driving unit, and the safety mechanism control unit is electrically connected to the tax control safety unit;
the security mechanism control unit invokes a cryptographic algorithm and a key.
2. The easy tax control disk for small and medium-sized tax agencies according to claim 1, wherein the USB interface communication module is a USB interface circuit, and the USB interface circuit comprises a connector, a circuit protector, a communication channel, and a power circuit.
3. The simple tax control disk for small and medium-sized tax enterprises according to claim 2, wherein the USB interface communication module further comprises a USB communication management unit for communication processing between the same host computer.
4. A tax control machine, characterized in that, it comprises the simple tax control disk for small and medium tax enterprises of any claim 1 to 3.
5. A control method of a simple tax control disk for small and medium-sized tax payment enterprises as recited in any one of claims 1 to 3, comprising:
the USB interface communication module is communicated with an upper computer;
the main control chip module receives an instruction sent by the upper computer and obtains an analyzed instruction;
the main control chip module takes time from the tax bureau end through the upper computer and leads to purchase electronic information of blank invoices, and generates anti-counterfeiting tax control codes according to time and invoice details;
the main control chip module generates complete invoice electronic information according to the blank invoice electronic information, the anti-counterfeiting tax control code and the invoice detail;
the main control chip module dynamically stores the complete invoice electronic information in the local.
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| CN201910344804.6A CN110111512B (en) | 2019-04-26 | 2019-04-26 | Simple tax control disk for small and medium-sized tax enterprises, tax control machine and control method of simple tax control disk |
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| CN110111512A CN110111512A (en) | 2019-08-09 |
| CN110111512B true CN110111512B (en) | 2022-08-02 |
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| CN110111512A (en) | 2019-08-09 |
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