Intelligent invoice issuing system special for electric charge value-added tax

Abstract

The invention relates to an intelligent invoice issuing system special for electric charge value-added tax, and the system comprises a data collection module which is used for obtaining electric charge data in real time; the user management module is used for user identity authentication, information input and management; the tax rate calculation module is used for calculating an applicable value-added tax rate according to the user type and the region; the invoice issuing module is used for generating a value-added tax special invoice containing the user information, the electric charge details and the tax rate; the data storage module is used for safely storing the issued invoices and related electricity charge information and supporting query and statistics; the payment management module is used for receiving and checking user payment information and realizing an online payment function; and the notification reminding module is used for sending billing, payment reminding and invoice state updating to the user. The method is specially used for providing intelligent issuing service of the value-added tax invoices for electric power companies and users, intelligent issuing of the electric charge value-added tax invoices is realized, and the accuracy and efficiency of invoice issuing are improved.

Description

Technical Field

[0001] The present invention relates to a technology for issuing value-added tax invoices for electricity charges, and in particular to an intelligent system for issuing special value-added tax invoices for electricity charges, which can automatically process electricity charge information, calculate tax rates, receive payments and generate special value-added tax invoices. Background Art

[0002] The traditional process of issuing VAT invoices for electricity charges relies on manual data input and management, which has problems such as low data transmission efficiency, high error rate, and poor data security, making it difficult to adapt to the growing demand for electronic invoices from today's power companies and users. In the traditional model, users need to actively apply for invoices, check electricity bills, follow up on the invoice issuance process, etc., which is complicated and time-consuming. In addition, users usually cannot get relevant progress reminders before the invoice is generated, which may cause invoice delays or omissions, and cannot meet the needs of modern users for efficient and convenient services. In traditional systems, the calculation of VAT tax rates is often manually set at a fixed ratio, and it is not easy to update in time with the adjustment of tax policies, which makes the tax rate calculation process lack flexibility and compliance, and increases tax risks and financial management difficulties. The traditional electricity fee system lacks a complete data management function, and the invoice data storage is scattered and inconvenient to query, resulting in users often spending a lot of time to obtain historical invoice records from various channels when conducting financial accounting and reconciliation in the later stage, affecting the user's financial management efficiency. Summary of the invention

[0003] The present invention provides an intelligent electricity fee VAT special invoice issuance system, which realizes the intelligent management of the entire process of electricity fee data from collection to invoice generation, storage, payment management and user notification through modular design. The system aims to improve the efficiency and accuracy of invoice issuance, enhance user experience and reduce labor costs. The system includes the following modules:

[0004] Data acquisition module

[0005] This module is responsible for the real-time collection of electricity bill data. By establishing an interface connection with the power company database, the system can automatically obtain the user's electricity usage information and electricity bill data, and dynamically update the electricity bill data according to the set time period (day, week, month) or real-time monitoring method. This module ensures the accuracy and timeliness of the collected data, provides reliable data support for subsequent tax rate calculations, invoice issuance and other operations, and effectively avoids data errors in traditional manual entry. In addition, this module has a data integrity verification function that can identify and prompt abnormal data.

[0006] User Management Module

[0007] The user management module provides user account creation, management and identity authentication functions. The system allows multiple types of users (individual users, corporate users, power company managers) to create and manage account information. After registration, users can authenticate their identities and manage their personal information (address, contact information, etc.). In addition, the user management module provides hierarchical permission control functions to ensure that the access rights of different roles in the system are differentiated and protect the privacy and security of user data. Users can update their account information through this module, and the system will simultaneously update the data of related modules to ensure the integrity and consistency of the information.

[0008] Tax rate calculation module

[0009] The tax rate calculation module realizes the intelligent calculation of the VAT rate of electricity charges. According to the user type (residential user, corporate user), location and electricity consumption, the system automatically matches the corresponding VAT rate to ensure the accuracy and compliance of the tax rate. The module has a dynamic tax rate adjustment function, which can automatically update the calculation rules according to the latest tax policy changes, avoiding the workload and error risks caused by manual adjustment of tax rates, ensuring the matching of electricity charges and tax rates, and meeting the needs of different regions and user types.

[0010] Invoice Issuance Module

[0011] The invoice issuance module automatically generates special VAT invoices that comply with national standards based on the electricity fee data and tax rate information provided by the data collection module and the tax rate calculation module. The invoice issuance module can automatically format the invoice content to ensure that the invoice contains necessary information, such as user information (user name, taxpayer identification number, etc.), electricity fee details (electricity consumption, fees, etc.), VAT rate and total amount, etc. After the invoice is generated, the user can download and print it in PDF, electronic version, etc., and it supports electronic archiving, which is convenient for users to view and save at any time. At the same time, the invoice issuance module will automatically update the relevant information to the data storage module after the invoice is generated.

[0012] Data storage module

[0013] The data storage module is used to encrypt and store electricity bill data, invoice information, and user information. The module uses encryption technology to ensure data security and provides hierarchical permission control to prevent unauthorized access. The data storage module has a data backup function, which can regularly back up invoice and electricity bill data to ensure that data can be restored in the event of system failure or unexpected circumstances. Users can query and download historical invoices at any time through the data storage module, and support multi-dimensional queries based on time, amount, or electricity consumption, which facilitates financial accounting and long-term management for users and managers.

[0014] Payment management module

[0015] The payment management module is responsible for the payment processing of electricity bills. The system supports multiple payment methods, including bank transfers, online payments (credit cards, e-wallets, etc.). The payment management module is closely linked to the invoice issuance module. After the user completes the payment, the module will automatically check the payment information and update the payment status to ensure the consistency of electricity bill payment and invoice generation. The module also has a payment status tracking function, which can display the payment status in real time, and trigger the invoice issuance process after the payment is successful, generating a special VAT invoice, reducing the user's operation steps between payment and invoicing, and improving ease of use.

[0016] Notification reminder module

[0017] The notification and reminder module sends system notifications to users through multiple channels such as emails and text messages. The module supports user-defined reminder options and frequencies, including invoice issuance reminders, payment status reminders, invoice expiration reminders, etc. At important nodes such as invoice issuance, payment completion or payment failure, the module can automatically send notifications to ensure that users receive timely reminders at key links. In addition, the notification and reminder module can remind users in advance that invoices are due, prevent invoice problems caused by unprocessed or delayed processing, and improve user experience and system service level.

[0018] Beneficial Effects

[0019] The intelligent electricity fee VAT special invoice issuance system of the present invention realizes the integrated functions of automatic collection of electricity fee data, intelligent calculation of tax rates, invoice generation, payment management and user notification reminders, and has the following beneficial effects:

[0020] Improve invoicing efficiency and reduce labor costs: The system can automatically collect electricity bill data, dynamically calculate tax rates, and automatically generate standard VAT invoices, reducing the workload of manual entry and calculation, avoiding data entry errors caused by manual operations, greatly improving the efficiency and accuracy of electricity bill invoice issuance, and saving a lot of labor costs.

[0021] User experience is significantly improved: users can directly complete account management, electricity bill payment, invoice download and query through the system, and enjoy a simplified electricity billing process. The introduction of the notification reminder module can send invoice issuance and payment reminders to users in a timely manner, avoiding the problem of invoice omission or payment delay, and significantly improving the user experience and convenience.

[0022] Real-time tax rate updates to ensure compliance: The system's tax rate calculation module can adjust the VAT rate in real time according to the latest tax policies, ensure the compliance of electricity tax rate calculations, meet the needs of different users, regions and policy changes, and reduce the company's compliance risks in tax management.

[0023] Safe and reliable data storage and management: Through the data storage module, the system implements encrypted storage and permission control of invoice and electricity bill data, ensuring the security of user information and financial data. The data storage module also provides backup and multi-dimensional query functions, allowing users to query and download historical invoice records at any time, facilitating long-term financial accounting and reconciliation, and improving the security and efficiency of data management.

[0024] Full-process payment management function: The payment management module provided by the system realizes multi-mode payment and automatic verification of electricity bills, ensuring that the user's payment information is consistent with the invoice generation information. This module realizes the automatic generation of invoices after payment, reducing the steps of manual confirmation and repeated operations by users, improving the convenience of the invoicing process, and reducing possible errors caused by manual intervention.

[0025] Intelligent notification mechanism reduces the risk of omissions: The notification reminder module supports multiple ways to send reminders. Users can customize the notification frequency and channels to ensure timely notifications at key nodes such as invoice issuance and successful payment, avoiding delayed processing or missing important information, effectively improving system reliability and user satisfaction.

[0026] Main innovations:

[0027] Modular design for automated processing:

[0028] The system realizes the automation of the entire process from electricity bill data collection to invoice issuance. Through the seamless connection of multiple modules (data collection module, tax rate calculation module, payment management module), electricity bill data can be acquired, calculated and converted into value-added tax invoices in real time, greatly reducing the errors and operation time caused by manual operations. This modular automation design splits each function into independent modules to facilitate system upgrades and maintenance.

[0029] Smart tax rate calculation:

[0030] The tax rate calculation module dynamically adjusts the tax rate according to user type, region and real-time tax rate policy to ensure the compliance and accuracy of the tax rate. This dynamic adjustment of tax rates based on multiple conditions is smarter than the traditional fixed tax rate system, more adaptable to the actual needs of different user groups, and in line with the trend of intelligent and refined financial and tax management.

[0031] Integrated online payment management:

[0032] In traditional electricity bill invoice systems, payment and invoice issuance are often separate. This system innovatively integrates the payment management module, allowing users to complete electricity bill payments directly through the system, and link it with invoice issuance to automatically generate value-added tax invoices. This design not only simplifies the process, but also improves user experience and reduces repeated operations.

[0033] Immediacy and multi-channel notification reminders:

[0034] The system sends information such as invoicing and payment status to users through the notification reminder module, ensuring that users are aware of the invoice status and payment process at any time. This multi-channel (such as email, SMS) reminder design reduces the time for users to query and confirm, while reducing the risk of missing payments or not obtaining invoices in time, improving the system's service level and user experience.

[0035] Data security and historical query support:

[0036] The data storage module uses encryption technology to protect user data and invoice information, and provides users with the function of querying historical invoices at any time. This design innovatively combines invoice storage and historical record query functions, which not only improves data security, but also makes it easier for users to view and manage invoice history, which helps with subsequent financial management and compliance inspections.

[0037] Flexible cross-platform adaptability:

[0038] The system module design can be used not only for a single power company, but also across multiple companies and regions, and supports multiple power companies to share invoice management services. Through standardized interfaces and modular design, the system has high portability and adaptability, which is conducive to sharing resources among power companies and achieving efficient use and expansion of resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 It is the flow chart of data acquisition module;

[0040] Figure 2 It is the flow chart of user management module;

[0041] Figure 3 It is the flow chart of the tax rate calculation module;

[0042] Figure 4 It is the flow chart of the invoice issuance module;

[0043] Figure 5 It is the flow chart of data storage module;

[0044] Figure 6 It is the flow chart of payment management module;

[0045] Figure 7 It is the flow chart of notification reminder module. DETAILED DESCRIPTION

[0046] The embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0047] Example:

[0048] Data acquisition module

[0049] The data collection module automatically obtains information such as the user's electricity consumption and electricity bill through the API interface with the power company's database. The specific process is as follows:

[0050] Data interface connection: The system regularly initiates requests to the power company database (on the first day of each month) to obtain electricity bills in batches by user ID, including key data such as electricity consumption, billing cycle, and total electricity bill amount.

[0051] Data integrity check: The system automatically checks when receiving data to ensure that information such as billing cycle and user ID is complete and valid. If there is any missing data, the system generates an error log and notifies the administrator.

[0052] Dynamic data update: Depending on the set synchronization frequency, the system synchronizes data with the power company database once a day or hour and stores it in the system cache to ensure the latest electricity bills.

[0053] Data anomaly alarm: The system is equipped with an anomaly detection mechanism. When a user's electricity bill data is abnormal (the electricity bill exceeds the normal range or the data format does not match), the system will generate an alarm prompt, and the administrator can manually check or re-acquire the data.

[0054] User Management Module

[0055] The user management module is responsible for user account creation, information update and permission management to ensure the accuracy and security of user information. The detailed process is as follows:

[0056] User registration: Users register an account through the client, enter identity information (such as ID number or business license number), contact information, name of the electricity user / individual, etc. After the system verifies the information, the account registration is completed and a user ID is generated.

[0057] Identity authentication: The system verifies the user's identity through a third-party authentication interface to ensure the authenticity of the account registration.

[0058] Permission control: The system sets different permission levels for individual users, corporate users and administrators. For example, individual users can only access their own billing information, corporate users can view subordinate account information, and administrators can manage the entire system.

[0059] Information update: After logging in, users can update information such as address and contact information. The user management module will automatically synchronize user information from other modules to ensure data consistency.

[0060] Tax rate calculation module

[0061] The tax rate calculation module dynamically applies different VAT rates based on user type, region, etc. The process is as follows:

[0062] Tax rate matching: The system obtains the latest tax rate table from the API interface of the tax system and updates it regularly to ensure the real-time nature of the tax rate.

[0063] Dynamic calculation: The system automatically matches the appropriate VAT rate based on user type (e.g. individual, corporate), region, and electricity consumption. For example, an individual user in city A may be subject to a 6% tax rate, while a corporate user may be subject to a 9% tax rate.

[0064] Real-time synchronous update: The tax rate calculation module will regularly call the API interface of the tax system to ensure that the tax rate rules are automatically adjusted when the policy changes.

[0065] Invoice Issuance Module

[0066] After the data collection module and the tax rate calculation module process the data, the invoice issuance module generates a special VAT invoice. The process is as follows:

[0067] Data integration and formatting: The system integrates user information, electricity bill data, and tax rate data, and formats them into standardized invoice content in accordance with national tax requirements. The content includes user name, user ID, taxpayer identification number, billing cycle, electricity consumption, electricity bill amount, tax amount, total amount, etc.

[0068] Invoice generation: After the invoice is generated, the system automatically generates a unique invoice number and provides an electronic version (such as PDF) and a printed version for users to download.

[0069] Automatic update storage: After the invoice is generated, the system will update the invoice information to the data storage module for subsequent query and management.

[0070] Compliance check: During the invoice issuance process, the system will conduct compliance checks on the format and content of the invoice to ensure compliance with national tax regulations.

[0071] Data storage module

[0072] The data storage module is responsible for storing user information, electricity bills and generated invoice information, and provides multi-dimensional query functions. The specific implementation is as follows:

[0073] Encrypted storage: The system uses AES encryption algorithm to encrypt and store user information and electricity bill data to ensure data security.

[0074] Data backup: The system is configured with daily automatic backup and weekly comprehensive backup mechanisms to cope with possible data loss or failure.

[0075] Permission control: Users need to verify their identity when making inquiries, and the system will determine the scope of the inquiry based on the user's permission level. For example, individual users can only query their own historical bills, while corporate users can access all records of subordinate sub-accounts.

[0076] Multi-condition query: Users can query based on time range, amount range, electricity consumption and other conditions, making it easy to view and export historical records.

[0077] Payment management module

[0078] The payment management module is used for electricity bill payment processing, supports multiple payment methods and ensures payment status synchronization. The implementation process is as follows:

[0079] Support for multiple payment methods: Users can select payment methods on the client side, including bank transfer, WeChat Pay, Alipay, etc. The system is integrated with the payment gateway interface to ensure fast payment.

[0080] Automatic verification: After successful payment, the payment management module automatically updates the payment status to the invoice issuance module to ensure that the invoice is generated immediately after the bill payment is completed.

[0081] Payment status tracking: Users can check the payment status on the client and receive prompts when payment fails, guiding users to try again or use other payment methods.

[0082] Payment confirmation and record: After the payment is completed, the system records the payment details, including payment method, payment amount, time, etc., for subsequent inquiries.

[0083] Notification reminder module

[0084] The notification module is responsible for sending important notifications such as invoice generation and payment completion to users via SMS and email. The specific process is as follows:

[0085] Reminder settings: Users can set reminder methods (such as SMS, email) and reminder content (such as invoice generation notification, payment reminder, invoice expiration reminder, etc.) in the client.

[0086] Multi-channel notifications: At key points such as invoice generation and payment completion, the system will automatically send notifications to users to ensure that users are informed of the status during the process.

[0087] Customized reminder frequency: Users can choose to receive notifications daily, weekly, or monthly, and the system will send reminder messages according to the frequency selected by the user.

[0088] Overall system process

[0089] The overall operation process of the system is as follows:

[0090] Electricity bill data collection: The system automatically obtains users' electricity usage data and electricity bill information from the power company database within a period (such as every month) and performs data integrity checks.

[0091] User information management: The system authenticates users and updates their information based on their user types, and ensures the correct allocation of user rights.

[0092] Intelligent tax rate calculation: Based on the user's type and region information, the system calls the tax rate calculation module to automatically match the VAT rate and calculate the tax amount.

[0093] Invoice generation and storage: After payment is confirmed, the invoice issuance module generates a compliant VAT invoice, which is stored in the data storage module and available for users to download and query.

[0094] Payment management and status synchronization: After the user completes the payment, the system automatically confirms the payment status, triggers the invoice generation process, and records the payment information for subsequent review.

[0095] Notification sending: At key points such as invoice generation and successful payment, the system will promptly notify users via SMS, email, etc. to ensure that users are informed of important information in a timely manner.

Claims

1. An intelligent electricity fee VAT special invoice issuance system, characterized in that: include: Data acquisition module, used to obtain electricity bill data in real time; User management module, used for user identity authentication, information entry and management; Tax rate calculation module, which calculates the applicable VAT rate based on user type and region; Invoice issuance module, generates special VAT invoices containing user information, electricity fee details and tax rates; Data storage module, used to safely store the issued invoices and related electricity fee information, and supports query and statistics; Payment management module, used to receive and verify user payment information and realize online payment function; Notification and reminder module, used to send invoicing, payment reminders and invoice status updates to users.

2. The system according to claim 1, characterized in that Including, the data acquisition module includes an interface with the power company's database, which can receive the user's electricity consumption, electricity bill and other information in real time through the interface to ensure the timeliness and accuracy of the electricity bill data. In addition, the data acquisition module can also continuously update the user's electricity usage according to the set cycle or real-time changes, and provide the latest electricity bill data for subsequent tax rate calculation and invoice issuance.

3. The system according to claim 1, characterized in that Including, wherein the data collection module further includes a data verification function, which is used to automatically perform integrity and accuracy checks after data collection to ensure that the stored data is correct. For example, when missing data is detected, a missing alarm is generated and the administrator is notified for processing.

4. The system according to claim 1, characterized in that Including, the user management module includes identity authentication function and user information entry function, which can support the creation and management of different types of user accounts. The module has a hierarchical authority setting function to ensure the operation security of different users in the system. At the same time, the user management module supports users to update their personal information (address, contact information) by themselves, and update it synchronously with the data storage module to ensure the integrity and accuracy of user information.

5. The system according to claim 1, characterized in that Including, the tax rate calculation module has an automatic tax rate adjustment function, which calculates the corresponding value-added tax rate according to the user's electricity consumption, region, user type parameters, and combined with the national tax rate policy. The tax rate calculation module can automatically adjust the tax rate rules according to real-time policy changes and generate tax rates suitable for different users to ensure the accuracy of the calculation and policy compliance.

6. The system according to claim 1, characterized in that Including, the invoice issuance module can automatically generate a special value-added tax invoice that meets national standards based on the electricity fee data obtained by the data acquisition module and the tax rate information of the tax rate calculation module. The module supports automatic formatting of invoice content, including user information, electricity fee details, tax rate and total amount, etc., and provides PDF, electronic version and other formats for users to download and print, ensuring the standardization and ease of use of invoices.

7. The system according to claim 1, characterized in that Including, wherein the invoice issuance module further includes a compliance check function, which is used to perform compliance review on the invoice format, content, tax calculation, etc. after the invoice is generated, and record error logs and notify the administrator for subsequent processing when compliance requirements are not met.

8. The system according to claim 1, characterized in that Including, the data storage module uses encrypted storage technology to securely store electricity bill data and invoice information. The module supports permission control of stored data to prevent unauthorized access. In addition, the data storage module has a data backup function and can regularly back up invoice and electricity bill data to prevent data loss. The module also provides a historical record query function, and users can query and download historical invoice records to facilitate long-term financial management and reconciliation.

9. The system according to claim 1, characterized in that Including, the payment management module supports multiple payment methods, including bank transfer and online payment methods. The module receives the user's payment information and verifies the payment through an interface with the financial institution to confirm the payment status. The payment management module has a payment status tracking function, which automatically updates the payment information in the system after the payment is completed, ensuring that the user's electricity bill payment and invoice issuance match each other, facilitating the management and tracking of payment status.

10. The system according to claim 1, characterized in that Including, the notification reminder module sends invoicing and payment reminder information to users via email, SMS, etc. The module supports users to customize reminder frequency and notification method, and can send notifications to users at key nodes such as invoice issuance, payment success, payment failure, etc. In addition, the notification reminder module has an invoice expiration reminder function, which can remind users when their invoices are generated or payment is about to expire, ensuring that users handle invoice-related matters in a timely manner.

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