CN204990547U - A device is opened to invoice for taxation control system - Google Patents
A device is opened to invoice for taxation control system Download PDFInfo
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- CN204990547U CN204990547U CN201520772023.4U CN201520772023U CN204990547U CN 204990547 U CN204990547 U CN 204990547U CN 201520772023 U CN201520772023 U CN 201520772023U CN 204990547 U CN204990547 U CN 204990547U
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- 238000004891 communication Methods 0.000 claims abstract description 90
- 238000004364 calculation method Methods 0.000 claims abstract description 4
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- 230000008569 process Effects 0.000 claims description 5
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- 230000006870 function Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000007639 printing Methods 0.000 description 4
- 230000003993 interaction Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a device is opened to invoice for taxation control system includes: bluetooth communication circuit, main control chip, security chip, memory and real -time clock, the bluetooth communication circuit is used for realizing the communication connection that the invoice was opened the device and was had the communication equipment of bluetooth communication module, main control chip is used for receiving the information that communication equipment sent to handle at least partial information, security chip is used for receiving the invoice data that main control chip sent to the tax accuse sign indicating number that obtains its calculation return to main control chip, the memory is used for saving the information that main control chip sent, real -time clock is used for doing the real -time time of inside that the device provided the invoice management and control is opened to the invoice. The device is opened to this invoice can open the invoice anytime and anywhere, opens the invoice and is no longer opened the restriction of place and time.
Description
Technical Field
The utility model relates to a tax control technical field especially relates to an invoice issuing device for tax control system.
Background
Currently, users need to use a computer connected to a tax control machine or disk to invoice the machine. The mainstream mode of the connection between the tax control machine or the tax control disk and the computer is a USB communication interface. Therefore, the tax control machine or the tax control disk and the computer can be in communication connection by adopting a USB connecting wire. This connection by means of physical wiring defines the place of invoicing.
With the development of various communication devices, especially the wide use of smart devices such as mobile phones and ipads, the wireless communication connection technology has become a very mature technology and is widely applied. If invoices can be issued by using the electronic equipment through the wireless connection technology, the invoices can be issued with high flexibility and convenience.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides an invoice issuing device for tax control system, so as to achieve the purpose of issuing invoices through electronic equipment and wireless connection communication technology.
In order to achieve the purpose of the utility model, the utility model adopts the following technical scheme:
an invoicing apparatus for a tax control system, comprising:
the Bluetooth communication circuit, the main control chip, the safety chip, the memory and the real-time clock; wherein,
the Bluetooth communication circuit realizes the communication connection between the invoice issuing device and communication equipment with a Bluetooth communication module;
the main control chip receives information sent by the communication equipment with the Bluetooth communication module and processes at least part of the information;
the safety chip can receive the invoice data sent by the main control chip and returns the tax control code of the invoice data obtained by calculation in a preset format to the main control chip;
the real-time clock provides the invoice issuing device with the internal real-time of invoice management and control.
The processing of at least part of the information by the main control chip specifically comprises:
the main control chip analyzes, encrypts, decrypts, signs and/or verifies at least part of the received information.
The device further comprises: a first power supply to power the real time clock.
The first power supply is a button cell.
The device further comprises: a second power supply and power management circuit;
the second power supply is used for supplying power to the Bluetooth communication circuit, the main control chip, the safety chip and the memory;
the power management circuit supplies power to the Bluetooth communication circuit, the main control chip, the safety chip and the memory.
The second power supply is a rechargeable power supply.
The power management circuit controls charging of the rechargeable power supply.
The memory is an SD card or a NandFlash memory device.
The memory comprises a common area, an encryption area, a hidden area and a CDROM area;
the general area is used for storing user data;
the encryption area is used for storing encrypted data encrypted by a security algorithm, and the encrypted data can be accessed only after passing security authentication;
the hidden area is used for storing invoice tax control data and private data of the invoice issuing device.
The information sent to the memory by the main control chip comprises tax control data, invoice details, tax control codes, user data information and/or private data of the invoice issuing device.
Compared with the prior art, the method has the following beneficial effects:
according to the technical scheme, the invoice issuing device for the tax control system has the Bluetooth communication circuit, and the invoice issuing device can be in communication connection with the communication equipment with the Bluetooth communication module. Therefore, the utility model provides a communication connection can be established to the mode that need not with the help of the physics line between invoice issuing device and the communications facilities. So, communication equipment with bluetooth communication module passes through the utility model provides an invoice issuing device can issue an invoice anytime and anywhere, and makes the invoice of issuing no longer receive the restriction of issuing place and time. Therefore, the invoicing device has greater flexibility and convenience in invoicing.
Drawings
In order to more clearly understand the technical solution of the present application, the drawings used in the detailed description of the present application will be described below for a brief description. It is obvious that these drawings are only some embodiments of the present application and that other drawings may be obtained by a person skilled in the art without inventive effort.
Fig. 1 is a schematic structural diagram of an invoice issuing device for a tax control system according to an embodiment of the present invention.
Detailed Description
The following detailed description of specific embodiments of the present application is provided in conjunction with the accompanying drawings.
Fig. 1 is a schematic structural diagram of an invoice issuing device for a tax control system according to an embodiment of the present invention. As shown in fig. 1, the invoicing apparatus for a tax control system includes the following structures:
the Bluetooth communication circuit 11, the main control chip 12, the safety chip 13, the memory 14 and the real-time clock 15;
the bluetooth communication circuit 11 realizes the communication connection between the invoice issuing device and the communication equipment with the bluetooth communication module. Specifically, the two implement communication connection through the communication interface I0 shown in fig. 1. In general, the bluetooth communication circuit 11 includes a bluetooth main control chip, an antenna adjusting circuit and an antenna, wherein the connection manner of the bluetooth main control chip, the antenna adjusting circuit and the antenna can be connected by adopting a technical means commonly used in the art. In the embodiment of the present application, the communication device having the bluetooth communication module may include an intelligent electronic device, such as a smart phone, an iPad, and the like. In addition, the communication device with the bluetooth communication module may also be a PC with a bluetooth communication interface.
The main control chip 12 is a core unit of the invoice issuing device according to the embodiment of the present invention, and controls other components of the invoice issuing device, including but not limited to the bluetooth communication circuit 11, the security chip 13, the memory 14 and the real-time clock 15. Therefore, the main control chip 12 is in communication connection with the bluetooth communication circuit 11, the security chip 13, the memory 14 and the real-time clock 15.
The communication interface I1 between the main control chip 12 and the bluetooth communication circuit 11 may be any one of UART (universal asynchronous receiver Transmitter, universal asynchronous receiver Transmitter/Transmitter), SPI (peripheral interface, or interface-integrated circuit) and IIC (integrated circuit bus, or Inter-integrated circuit).
The communication interface I2 between the main control chip 12 and the secure chip 13 may adopt a standard ISO7186 protocol.
When the memory is NandFlash, the NandFlash control interface I3 of the main control chip is used for realizing communication with the memory 14.
The communication interface I4 between the main control chip 12 and the real-time clock 15 can be IIC or SPI.
In the embodiment of the present application, the main control chip 12 is also generally a security chip, which runs a set of operating system with a file system with a high security level and has algorithms such as encryption, decryption, signature and signature verification. Through the main control chip 12, the upper computer software is connected with the invoice issuing device, and can perform user identity authentication, signature on issued invoices, on-line tax declaration and other operations.
In the embodiment of the present invention, the function of the main control chip 12 is used for passing through the bluetooth communication circuit 11 and the communication device performs information interaction. Specifically, the main control chip 12 receives information sent by the communication device, and processes at least a part of the information. In this embodiment of the present invention, the processing of the information by the main control chip 12 may specifically include: the main control chip analyzes, encrypts, decrypts, signs and/or verifies at least part of the received information. In addition, the main control chip can also manage the received tax control data. In addition, the main control chip 12 can also perform information interaction with the security chip 13 and the memory 14 respectively. That is, the main control chip 12 can send the information received by it and/or at least part of the processed information to the security chip 13. The main control chip 13 can also send information to the memory 14 for information storage.
The information sent by the main control chip 12 to the security chip 13 at least includes invoice data.
The security chip 13 is a chip with a special security algorithm. The main control chip 12 sends the invoice data to the security chip 13 through the communication interface. In this embodiment of the application, the function of the security chip 13 is mainly to perform information interaction with a main control chip, and specifically, the security chip 13 is configured to receive the invoice data sent by the main control chip 12, and return the tax control code in the preset format of the invoice data obtained by calculation to the main control chip. It should be noted that the tax control code is an important basis for controlling the authenticity of the issued invoice.
It should be noted that, as an embodiment of the present invention, the main control chip 12 and the security chip 13 may be independent chips, that is, the main control chip 12 and the security chip 13 are two chips. In addition, the main control chip 12 and the security chip 13 may also be integrated on the same chip, so that the integrated same chip has the functions of the main control chip 12 and the security chip 13.
In the embodiment of the present application, the memory 14 is generally a mass storage, which may be an SD card (a secure digital card in chinese and a secure digital memory card in english) or a NandFlash memory device. The memory 14 is used for storing information sent by the main control chip 12; the information sent by the main control chip 12 to the memory 14 may include special invoice tax control data, invoice details, tax control codes, user data information, and/or private data of the invoice issuing device.
The memory 14 can be divided into different areas according to different functions, in this embodiment, the memory 14 can be divided into a general area, an encryption area, a hidden area and a CDROM area; the common area is similar to the function of a common U disk and can be used for storing user data, particularly the general data of a user which does not need special protection; the storage function of the encryption area is the same as that of the common area, and the difference is that the encryption area is used for storing encrypted data obtained through encryption by a security algorithm, and the reading and writing of the data stored in the encryption area can be carried out only through security authentication, namely, the data stored in the encryption area can be accessed only after the data passes the security authentication.
The hidden area is an invisible area for the user and can be used for storing invoice tax control data and private data of the invoice issuing device.
In the embodiment of the present application, the main control chip 12 can control the real-time clock 15 to provide the invoice issuing device with internal real-time for invoice management and control. The internal real-time is mainly used for controlling the current invoice issuing time and preventing a user from optionally issuing false invoices which do not accord with the current time.
In the embodiment of the present application, the real-time clock 15 is mainly an RTC (real time clock) chip, and for the RTC without a 32K crystal oscillator inside the real-time clock 15, a 32K crystal oscillator needs to be externally connected.
The main structure of the invoice issuing device for the tax control system provided by the embodiment of the application is as above. The invoicing device has a bluetooth communication circuit 11, by means of which it can establish a wireless communication connection with a communication device having a bluetooth communication module. Therefore, the communication device with the bluetooth communication module can establish wireless communication connection with the invoicing device in the embodiment of the application anytime and anywhere and invoice through the invoicing device. Therefore, the invoice issuing device for the tax control system provided by the embodiment of the application provides great flexibility and convenience for the user to issue the invoice. In addition, because the communication equipment with the Bluetooth communication module can establish communication connection with the invoice issuing device provided by the application in a wireless communication mode, one communication equipment with the Bluetooth communication module can be simultaneously connected with a plurality of invoice issuing devices.
When the user needs to print the invoice, the invoice stored in the invoice issuing device can be transmitted to the printing device for printing through the communication device with the Bluetooth communication module.
In addition, in the invoice issuing device for a tax control system shown in fig. 1, the above-described issuing device may further include a first power supply 16 in order to be able to supply power to the real-time clock 15. Since the real-time clock cannot be powered off in the invoicing device, once the real-time clock is powered off, the real-time clock fails due to power-off reset, and at the moment, the tax bureau is required to rewrite and correct the internal time of the invoicing device. Therefore, in order to avoid frequently arriving at the tax bureau to correct the internal time of the invoicing device, the first power source 16 in the embodiments of the present invention may be a large capacity battery, such as a button cell. Typically, the button cell battery may last for up to 3-5 years, and therefore, in the present embodiment, the first power source 16 is preferably a button cell battery.
In addition, in order to supply power to the bluetooth communication circuit 11, the main control chip 12, the security chip 13 and the memory 14, the invoice issuing device for a tax control system may further include a second power supply 17 and a power supply management circuit 18. The second power supply 17 is used for supplying power to the bluetooth communication circuit 11, the main control chip 12, the security chip 13 and the memory 14. In the embodiment of the present application, the second power supply 17 may be a rechargeable power supply, and more specifically, the second power supply 17 may be a rechargeable lithium battery.
A communication interface I5 is arranged between the main control chip 12 and the power management circuit 18, and the main control chip 12 can control the power management circuit 18 to supply power to the Bluetooth communication circuit, the main control chip, the safety chip and the memory through the communication interface I5. When the second power supply 17 is a rechargeable power supply, the main control chip 12 can also control the power management circuit 18 to control the charging of the rechargeable power supply.
The process of issuing the invoice by adopting the invoice issuing device for the tax control system in the embodiment comprises the following steps:
establishing wireless communication connection between the communication equipment with the Bluetooth communication module and the invoice issuing device through a Bluetooth communication interface I0 on the Bluetooth communication circuit 11;
the user inputs user information through the communication device, which is transmitted to the main control chip 12 of the invoicing apparatus. The main control chip of the invoice issuing device carries out identity authentication on the user information; after the user identity authentication is passed, the user inputs invoice data information issued by the communication equipment, then, after the main control chip 12 receives the invoice data information, whether the invoice format, the invoice issuing time and the data format are legal is verified, after all invoice data are legal, the main control chip 12 organizes and processes the invoice data information and sends the invoice data information after organization and processing to the safety chip 13, then, the safety chip 13 calculates a tax control code in a preset format for the received invoice data information through a special safety algorithm, and returns the tax control code to the main control chip 12. The main control chip 12 sends the tax control code to the memory 14. In addition, the master control chip 12 sends the information it received and/or the processed information to the memory 14. The memory 14 stores all data received from the main control chip 12, including tax control data, invoice details, tax control codes, user data information and/or private data of the invoicing apparatus.
When the invoice needs to be printed, the user transmits the invoice data information and the tax control code stored in the memory to the printing equipment through the communication equipment, and finally the printing equipment prints the invoice.
The foregoing is only a preferred embodiment of the present application and it should be noted that those skilled in the art can make several improvements and modifications without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.
Claims (10)
1. An invoicing apparatus for a tax control system, comprising:
the Bluetooth communication circuit, the main control chip, the safety chip, the memory and the real-time clock; wherein,
the Bluetooth communication circuit realizes the communication connection between the invoice issuing device and communication equipment with a Bluetooth communication module;
the main control chip receives information sent by the communication equipment with the Bluetooth communication module and processes at least part of the information;
the safety chip can receive the invoice data sent by the main control chip and returns the tax control code of the invoice data obtained by calculation in a preset format to the main control chip;
the real-time clock provides the invoice issuing device with the internal real-time of invoice management and control.
2. The apparatus of claim 1, wherein the processing of at least a portion of the information by the main control chip specifically comprises:
the main control chip analyzes, encrypts, decrypts, signs and/or verifies at least part of the received information.
3. The apparatus of claim 1, further comprising: a first power supply to power the real time clock.
4. The device of claim 3, wherein the first power source is a button cell.
5. The apparatus of claim 1, further comprising: a second power supply and power management circuit;
the second power supply is used for supplying power to the Bluetooth communication circuit, the main control chip, the safety chip and the memory;
the power management circuit supplies power to the Bluetooth communication circuit, the main control chip, the safety chip and the memory.
6. The apparatus of claim 5, wherein the second power source is a rechargeable power source.
7. The apparatus of claim 6, wherein the power management circuit controls charging of the rechargeable power source.
8. The apparatus of any of claims 1-7, wherein the memory is an SD card or a NandFlash memory device.
9. The apparatus according to any one of claims 1-7, wherein the memory includes a normal area, an encryption area, a hidden area, and a CDROM area;
the general area is used for storing user data;
the encryption area is used for storing encrypted data encrypted by a security algorithm, and the encrypted data can be accessed only after passing security authentication;
the hidden area is used for storing invoice tax control data and private data of the invoice issuing device.
10. The device according to any one of claims 1 to 7, wherein the information sent by the main control chip to the memory comprises tax control data, invoice particulars, tax control codes, user data information and/or private data of the invoicing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520772023.4U CN204990547U (en) | 2015-09-30 | 2015-09-30 | A device is opened to invoice for taxation control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520772023.4U CN204990547U (en) | 2015-09-30 | 2015-09-30 | A device is opened to invoice for taxation control system |
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| Publication Number | Publication Date |
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| CN204990547U true CN204990547U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520772023.4U Active CN204990547U (en) | 2015-09-30 | 2015-09-30 | A device is opened to invoice for taxation control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110033571A (en) * | 2019-04-26 | 2019-07-19 | 北京旋极百旺科技有限公司 | A kind of removable tax control tray for middle-size and small-size enterprise of paying taxes |
| CN110111512A (en) * | 2019-04-26 | 2019-08-09 | 北京旋极百旺科技有限公司 | For the simple tax control tray of middle-size and small-size enterprise of paying taxes, tax control machine and simple tax control disk control method |
-
2015
- 2015-09-30 CN CN201520772023.4U patent/CN204990547U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110033571A (en) * | 2019-04-26 | 2019-07-19 | 北京旋极百旺科技有限公司 | A kind of removable tax control tray for middle-size and small-size enterprise of paying taxes |
| CN110111512A (en) * | 2019-04-26 | 2019-08-09 | 北京旋极百旺科技有限公司 | For the simple tax control tray of middle-size and small-size enterprise of paying taxes, tax control machine and simple tax control disk control method |
| CN110111512B (en) * | 2019-04-26 | 2022-08-02 | 北京旋极百旺科技有限公司 | 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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