A printing consumables inventory cost prediction method and system based on big data analysis

Abstract

The present invention discloses a method and system for predicting the inventory cost of printing consumables based on big data analysis, which specifically relates to the fields of information technology and data science, including S1: acquisition of printing consumables inventory information, S2: text mining of printing consumables inventory information, S3: data standardization processing, S4: comprehensive analysis of printer consumables inventory, S5: comprehensive judgment of printer consumables inventory, and S6: human-computer interaction. The present invention screens and mines the inventory information of consumables of multiple printing devices, which covers comprehensive data such as inventory quantity, turnover rate, number of out-of-stock times, purchase price and quantity, cycle, consumption, safety and economic order quantity, and cost. Through in-depth analysis of these data, the present invention constructs a comprehensive mathematical model to evaluate the inventory cost of consumables from three dimensions: inventory safety, procurement risk, and cost, and provides accurate monitoring and judgment means to help users optimize inventory management and reduce costs.

Description

Technical Field

[0001] The present invention relates to the fields of information technology and data science technology, and more specifically, to a method and system for predicting inventory costs of printing consumables based on big data analysis. Background Art

[0002] Printing supplies inventory refers to the quantity and status of various printing supplies that an enterprise reserves in order to support printing operations in daily operations. These supplies include but are not limited to ink cartridges, toner cartridges, ribbons, paper, print heads, etc. Effective printing supplies inventory management has a significant impact on the enterprise's cost control, operational efficiency, and customer satisfaction.

[0003] As the scale of enterprises expands and the complexity of their business increases, the traditional inventory management model can no longer meet the high requirements of modern enterprises for cost control and operational efficiency. At the same time, the rapid development of technologies such as big data, machine learning, and the Internet of Things has made it possible to accurately predict and optimize the inventory cost of printing consumables.

[0004] However, there are still some shortcomings in its actual use. For example, the traditional static inventory management model is often unable to cope with the rapidly changing market demand and supply chain fluctuations, resulting in increased inventory costs and decreased operational efficiency. At the same time, the existing technology is too single-dimensional when predicting the inventory cost of printing consumables, and lacks an accurate and effective method to comprehensively predict and judge the inventory cost of printing consumables. Summary of the invention

[0005] In order to overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides a printing consumables inventory cost prediction method and system based on big data analysis, and solves the problems raised in the above-mentioned background technology through the following scheme.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: A method and system for predicting the inventory cost of printing consumables based on big data analysis, comprising: S1: Acquisition of printing consumables inventory information: Screening printer consumables feature text data according to different printer device types to obtain printer consumables feature text data, the screening times are recorded as 1, 2, 3…i…n, i and n refer to the types of printer devices, that is, if there are i types of printers, the screening is i times, and if there are n types of printers, the screening is n times, and each screening contains all the feature text data of the printing consumables required by the printer device of the type in the database;

[0007] S2: Text mining of printing consumables inventory information: including steps of collecting consumables inventory information, collecting consumables purchase information and collecting consumables usage information, for selecting a first key text from the printer consumables feature text data to obtain a first key text;

[0008] S3: Data standardization processing: used to perform standardization processing and analysis on the first key text data to obtain the second key text;

[0009] S4: Comprehensive analysis of printer consumables inventory: used to import the second key text data into the mathematical model of the safety stock level coefficient, the mathematical model of the procurement risk coefficient, the mathematical model of the inventory cost coefficient and the mathematical model of the comprehensive evaluation coefficient of inventory health, and process and analyze them to obtain a text output value based on the second key text;

[0010] S5: Comprehensive judgment of printer consumables inventory: used to filter out the second key text whose text output value is less than the preset value;

[0011] S6: Human-computer interaction: used to import the comparison results into the user information terminal.

[0012] Preferably, the first key text in the printing consumables inventory information text mining step is as follows:

[0013] The first key text specifically refers to inventory quantity parameters, inventory turnover rate parameters, average quarterly out-of-stock times parameters, consumables purchase price parameters, consumables purchase quantity parameters, consumables purchase cycle parameters, consumables consumption parameters, safety stock parameters, economic order quantity parameters, consumables purchase cost parameters, consumables storage cost parameters, consumables out-of-stock cost parameters, consumables ordering cost parameters, and enterprise total cost parameters;

[0014] The inventory parameter refers to the inventory in the first key text of the i-th screening ;

[0015] The inventory turnover rate parameter refers to the inventory turnover rate in the first key text screened for the i-th time ;

[0016] The average number of out-of-stock times per quarter parameter refers to the average number of out-of-stock times per quarter in the first key text screened for the i-th time ;

[0017] The consumables purchase price parameter refers to the consumables purchase price in the first key text screened for the i-th time ;

[0018] The consumables purchase quantity parameter refers to the consumables purchase quantity in the first key text screened for the i-th time ;

[0019] The consumables procurement cycle parameter refers to the consumables procurement cycle in the first key text screened for the i-th time ;

[0020] The consumables consumption parameter refers to the consumables consumption in the first key text of the i-th screening ;

[0021] The safety stock parameter refers to the safety stock in the first key text of the i-th screening ;

[0022] The economic order quantity parameter refers to the economic order quantity in the first key text screened for the i-th time. ;

[0023] The consumables procurement cost parameter refers to the consumables procurement cost in the first key text screened for the i-th time ;

[0024] The consumable storage cost parameter refers to the consumable storage cost of the first key text in the i-th screening. ;

[0025] The consumables shortage cost parameter refers to the consumables shortage cost in the first key text screened for the i-th time ;

[0026] The consumables ordering cost parameter refers to the consumables ordering cost in the first key text screened for the i-th time. ;

[0027] The total enterprise cost parameter refers to the total enterprise cost in the first key text screened for the i-th time. .

[0028] Preferably, the type of printer equipment refers to different types of printers such as laser printer consumables: mainly including toner cartridges, powder bins (toner cartridges), transfer tapes, etc. The toner cartridge is the core component of the laser printer, which is used to carry toner and transfer the image to paper; the powder bin is specifically used to store toner for use by the toner cartridge, inkjet printer consumables: mainly including ink cartridges, ink, etc. The ink cartridge is a key component of an inkjet printer, which has built-in ink and sprays the ink onto paper through a nozzle to form an image, and dot matrix printer consumables: mainly including ribbons, ribbon frames, etc. The ribbon is a consumable used by a dot matrix printer to print characters or graphics. The text or image is formed by the needle hitting the ink on the ribbon, so this embodiment is not specifically limited.

[0029] Preferably, the safety stock is additional stock reserved to cope with uncertain factors such as demand fluctuations and supply delays.

[0030] The economic order quantity refers to the order quantity that minimizes the total cost by balancing the ordering cost and storage cost.

[0031] Preferably, the standardization process specifically refers to Z-score standardization process, which converts the original data into a standardized Z-Score by calculating the mean and standard deviation of the original data. This method can eliminate the magnitude differences between data, so that data of different magnitudes can be compared and comprehensively analyzed.

[0032] Preferably, the mathematical model of the safety stock level coefficient is as follows:

[0033] = , where AN refers to the safety stock level coefficient, Refers to the inventory volume in the second key text of the i-th screening, Refers to the inventory turnover rate in the second key text of the i-th screening, Refers to the average number of out-of-stock times per quarter in the second key text of the i-th screening, Refers to the safety stock in the second key text of the i-th screening, Refers to the average inventory turnover rate in the second key text of the i-th screening, Refers to other influencing factors;

[0034] Preferably, the mathematical model of the procurement risk coefficient is as follows:

[0035] = , where BN refers to the procurement risk factor, Refers to the inventory volume in the second key text of the i-th screening, Refers to the purchase price of consumables in the second key text of the i-th screening, Refers to the purchase quantity of consumables in the second key text of the i-th screening, Refers to the consumables procurement cycle in the second key text of the i-th screening, Refers to the consumption of consumables in the second key text of the i-th screening, Refers to the economic order quantity in the second key text of the i-th screening, Refers to other influencing factors;

[0036] Preferably, the mathematical model of the inventory cost coefficient is as follows:

[0037] = , where CN refers to the inventory cost coefficient, Refers to the consumables procurement cost in the second key text of the i-th screening, Refers to the storage cost of consumables in the second key text of the i-th screening, refers to the shortage cost of consumables in the second key text of the i-th screening, Refers to the ordering cost of consumables in the second key text of the i-th screening, Refers to the total cost of the enterprise in the second key text of the i-th screening, Refers to other influencing factors.

[0038] Preferably, the mathematical model of the comprehensive evaluation coefficient of inventory health is as follows:

[0039] = ,in Refers to the comprehensive evaluation coefficient of inventory health. Refers to the safety stock level coefficient, Refers to the procurement risk factor, refers to the inventory cost coefficient, , , Refers to the weight coefficient.

[0040] Preferably, the weight coefficient , , It is calculated by the entropy method, and the specific calculation steps of the entropy method are as follows:

[0041] Data standardization: Since the measurement units of various indicators may be different, in order to eliminate the impact of the dimension, the collected data needs to be standardized. Commonly used standardization methods include Z-score standardization and range method standardization;

[0042] Calculate the proportion of indicators: Calculate the proportion of the zth sample value under the jth indicator to the sum of all sample values ​​of the indicator. This step is the basis for the subsequent calculation of information entropy;

[0043] Calculate information entropy: According to the definition and calculation formula of information entropy, calculate the information entropy ej of the jth indicator. The smaller the information entropy, the greater the degree of variation of the indicator and the greater the amount of information provided;

[0044] Calculate information entropy redundancy: Information entropy redundancy dj is the complement of information entropy, that is, dj=1-ej. The greater the information entropy redundancy, the more information the indicator contains, and the greater the impact on the comprehensive evaluation;

[0045] Calculate weight: Calculate the weight of each indicator in the comprehensive evaluation according to its information entropy redundancy. The weight coefficient is the ratio of the information entropy redundancy of each indicator to the sum of the information entropy redundancy of all indicators.

[0046] Preferably, the preset value is a warning value for evaluating the inventory safety level, procurement risk and inventory cost in the printing consumables inventory obtained based on daily practice. When the text output value is lower than the preset value, it means that the inventory safety level of this type of printing consumables is low, the procurement risk is high and the inventory cost is high, and the inventory cost of this type of printing consumables needs to be reduced.

[0047] Preferably, a printing consumables inventory cost prediction system based on big data analysis includes: a system central processing unit module, a system operation database and a user information terminal, and also includes a printing consumables inventory information acquisition module, a printing consumables inventory information text mining module, a data standardization processing module, a printer consumables inventory comprehensive analysis module, a printer consumables inventory comprehensive judgment module and a human-computer interaction module;

[0048] The system operation database includes all data texts of the printing consumables inventory cost prediction system based on big data analysis, and collects information texts output by each module in real time. The system central processor module is used to centrally control the information text instructions output by each module, and the user information terminal is an information output device for receiving the printing consumables inventory cost prediction system based on big data analysis;

[0049] The printing consumables inventory information acquisition module: filters the printer consumables feature text data according to different printer device types to obtain the printer consumables feature text data, and the filtering times are recorded as 1, 2, 3...i...n, i and n refer to the types of printer devices, that is, if there are i types of printers, the filtering is i times, and if there are n types of printers, the filtering is n times, and each filtering contains all the feature text data of the printing consumables required by the printer device of the type in the database;

[0050] The printing consumables inventory information text mining module includes a consumables inventory information collection unit, a consumables purchase information collection unit and a consumables use information collection unit, and is used to select a first key text from the printer consumables feature text data to obtain a first key text;

[0051] The data standardization processing module is used to perform standardization processing and analysis on the first key text data to obtain the second key text;

[0052] The printer consumables inventory comprehensive analysis module is used to import the second key text data into the mathematical model of the safety stock level coefficient, the mathematical model of the procurement risk coefficient, the mathematical model of the inventory cost coefficient and the mathematical model of the inventory health comprehensive evaluation coefficient, and process and analyze them to obtain a text output value based on the second key text;

[0053] The mathematical model of the safety stock level coefficient is as follows:

[0054] = , where AN refers to the safety stock level coefficient, Refers to the inventory volume in the second key text of the i-th screening, Refers to the inventory turnover rate in the second key text of the i-th screening, Refers to the average number of out-of-stock times per quarter in the second key text of the i-th screening, Refers to the safety stock in the second key text of the i-th screening, Refers to the average inventory turnover rate in the second key text of the i-th screening, Refers to other influencing factors;

[0055] The mathematical model of the procurement risk coefficient is as follows:

[0056] = , where BN refers to the procurement risk factor, Refers to the inventory volume in the second key text of the i-th screening, Refers to the purchase price of consumables in the second key text of the i-th screening, Refers to the purchase quantity of consumables in the second key text of the i-th screening, Refers to the consumables procurement cycle in the second key text of the i-th screening, Refers to the consumption of consumables in the second key text of the i-th screening, Refers to the economic order quantity in the second key text of the i-th screening, Refers to other influencing factors;

[0057] The mathematical model of the inventory cost coefficient is as follows:

[0058] = , where CN refers to the inventory cost coefficient, Refers to the consumables procurement cost in the second key text of the i-th screening, Refers to the storage cost of consumables in the second key text of the i-th screening, refers to the shortage cost of consumables in the second key text of the i-th screening, Refers to the ordering cost of consumables in the second key text of the i-th screening, Refers to the total cost of the enterprise in the second key text of the i-th screening, Refers to other influencing factors;

[0059] The printer consumables inventory comprehensive judgment module is used to filter out the second key text whose text output value is less than the preset value;

[0060] The human-computer interaction module is used to import the comparison results into the user information terminal.

[0061] Technical effects and advantages of the present invention:

[0062] 1. The present invention screens the printing consumables inventory information base of different printing devices and mines basic information in the information base. The basic information includes inventory information, inventory turnover rate information, average quarterly out-of-stock times information, consumables purchase price information, consumables purchase quantity information, consumables purchase cycle information, consumables consumption information, safety inventory information, economic order quantity information, consumables purchase cost information, consumables storage cost information, consumables out-of-stock cost information, consumables ordering cost information, and enterprise total cost information. It covers the three aspects of consumables inventory cost, consumables purchase information, and consumables use information of the printing consumables inventory cost, thereby providing a more comprehensive and detailed monitoring means for predicting the printing consumables inventory cost;

[0063] 2. The present invention establishes a mathematical model by conducting an in-depth analysis of the mined data, which can comprehensively analyze the overall inventory cost of printing consumables. By establishing such a comprehensive model, the present invention can better measure the overall inventory cost of printing consumables from three dimensions: inventory safety, procurement risk, and inventory cost, and help users better judge the inventory status of printing consumables. BRIEF DESCRIPTION OF THE DRAWINGS

[0064] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0065] Figure 2 It is a schematic diagram of the system structure of the present invention.

[0066] Figure 3 It is a schematic diagram of the structure of the printing consumables inventory information text mining module of the present invention. DETAILED DESCRIPTION

[0067] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0068] The terms used in the following embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to be used as limitations to the present application. As used in the specification of the present application, the singular expressions "one", "a kind of", "said", "above", "the" and "this" are intended to also include plural expressions, unless there is a clear indication to the contrary in the context. It should also be understood that the term "and / or" used in the present application refers to and includes any or all possible combinations of one or more listed items.

[0069] In the following, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as suggesting or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features, and in the description of the embodiments of the present application, unless otherwise specified, "plurality" means two or more.

[0070] As attached Figure 1 A printing consumables inventory cost prediction method based on big data analysis is shown, comprising:

[0071] S1: Acquisition of printing consumables inventory information: Filter the characteristic text data of printer consumables according to different types of printer devices to obtain the characteristic text data of printer consumables. The number of filtering times is recorded as 1, 2, 3…i…n, i and n refer to the types of printer devices, that is, if there are i types of printers, the filtering is done i times, and if there are n types of printers, the filtering is done n times. Each filtering contains all the characteristic text data of printing consumables required by the printer device of the type in the database;

[0072] The types of printer equipment refer to different types of printers such as laser printer consumables: mainly including toner cartridges, powder bins (toner cartridges), transfer tapes, etc. Toner cartridges are the core components of laser printers, used to carry toner and transfer images to paper; powder bins are specifically used to store toner for use with toner cartridges, inkjet printer consumables: mainly including ink cartridges, ink, etc. The ink cartridge is a key component of an inkjet printer, with built-in ink, which sprays ink onto paper through a nozzle to form an image, and dot matrix printer consumables: mainly including ribbons, ribbon frames, etc. The ribbon is a consumable used by dot matrix printers to print characters or graphics. The text or image is formed by the needle hitting the ink on the ribbon, so this embodiment does not make specific limitations;

[0073] S2: Text mining of printing consumables inventory information: including steps of collecting consumables inventory information, collecting consumables purchase information and collecting consumables usage information, for selecting a first key text from the printer consumables feature text data to obtain a first key text;

[0074] The first key text in the printing consumables inventory information text mining step in the preferred technical solution of this application is as follows:

[0075] It should be specifically noted that in this embodiment, the first key text specifically refers to an inventory parameter, an inventory turnover rate parameter, an average quarterly out-of-stock number parameter, a consumables purchase price parameter, a consumables purchase quantity parameter, a consumables purchase cycle parameter, a consumables consumption parameter, a safety stock parameter, an economic order quantity parameter, a consumables purchase cost parameter, a consumables storage cost parameter, a consumables out-of-stock cost parameter, a consumables ordering cost parameter, and an enterprise total cost parameter;

[0076] The inventory parameter refers to the inventory in the first key text of the i-th screening ;

[0077] The inventory turnover rate parameter refers to the inventory turnover rate in the first key text screened for the i-th time ;

[0078] The average number of out-of-stock times per quarter parameter refers to the average number of out-of-stock times per quarter in the first key text screened for the i-th time ;

[0079] The consumables purchase price parameter refers to the consumables purchase price in the first key text screened for the i-th time ;

[0080] The consumables purchase quantity parameter refers to the consumables purchase quantity in the first key text screened for the i-th time ;

[0081] The consumables procurement cycle parameter refers to the consumables procurement cycle in the first key text screened for the i-th time ;

[0082] The consumables consumption parameter refers to the consumables consumption in the first key text of the i-th screening ;

[0083] The safety stock parameter refers to the safety stock in the first key text of the i-th screening ;

[0084] The economic order quantity parameter refers to the economic order quantity in the first key text screened for the i-th time. ;

[0085] The consumables procurement cost parameter refers to the consumables procurement cost in the first key text screened for the i-th time ;

[0086] The consumable storage cost parameter refers to the consumable storage cost of the first key text in the i-th screening. ;

[0087] The consumables shortage cost parameter refers to the consumables shortage cost in the first key text screened for the i-th time ;

[0088] The consumables ordering cost parameter refers to the consumables ordering cost in the first key text screened for the i-th time. ;

[0089] The total enterprise cost parameter refers to the total enterprise cost in the first key text screened for the i-th time. ;

[0090] It should be specifically explained in this embodiment that the safety stock is additional stock reserved to cope with uncertain factors such as demand fluctuations and supply delays.

[0091] The economic order quantity refers to the order quantity that minimizes the total cost by balancing the ordering cost and storage cost.

[0092] S3: Data standardization processing: used to perform standardization processing and analysis on the first key text data to obtain the second key text;

[0093] It should be specifically noted that the standardization process specifically refers to Z-score standardization process, which converts the original data into a standardized Z-score by calculating the mean and standard deviation of the original data. This method can eliminate the magnitude differences between data, so that data of different magnitudes can be compared and comprehensively analyzed.

[0094] S4: Comprehensive analysis of printer consumables inventory: used to import the second key text data into the mathematical model of the safety stock level coefficient, the mathematical model of the procurement risk coefficient, the mathematical model of the inventory cost coefficient and the mathematical model of the comprehensive evaluation coefficient of inventory health, and process and analyze them to obtain a text output value based on the second key text;

[0095] It should be specifically explained in this embodiment that the mathematical model of the safety stock level coefficient is as follows:

[0096] = , where AN refers to the safety stock level coefficient, Refers to the inventory volume in the second key text of the i-th screening, Refers to the inventory turnover rate in the second key text of the i-th screening, Refers to the average number of out-of-stock times per quarter in the second key text of the i-th screening, Refers to the safety stock in the second key text of the i-th screening, Refers to the average inventory turnover rate in the second key text of the i-th screening, Refers to other influencing factors;

[0097] It should be specifically explained in this embodiment that the mathematical model of the procurement risk coefficient is as follows:

[0098] = , where BN refers to the procurement risk factor, Refers to the inventory volume in the second key text of the i-th screening, Refers to the purchase price of consumables in the second key text of the i-th screening, Refers to the purchase quantity of consumables in the second key text of the i-th screening, Refers to the consumables procurement cycle in the second key text of the i-th screening, Refers to the consumption of consumables in the second key text of the i-th screening, Refers to the economic order quantity in the second key text of the i-th screening, Refers to other influencing factors;

[0099] It should be specifically explained in this embodiment that the mathematical model of the inventory cost coefficient is as follows:

[0100] = , where CN refers to the inventory cost coefficient, Refers to the consumables procurement cost in the second key text of the i-th screening, Refers to the storage cost of consumables in the second key text of the i-th screening, refers to the shortage cost of consumables in the second key text of the i-th screening, Refers to the ordering cost of consumables in the second key text of the i-th screening, Refers to the total cost of the enterprise in the second key text of the i-th screening, Refers to other influencing factors;

[0101] It should be specifically explained in this embodiment that the mathematical model of the comprehensive evaluation coefficient of inventory health is as follows:

[0102] = ,in Refers to the comprehensive evaluation coefficient of inventory health. Refers to the safety stock level coefficient, Refers to the procurement risk factor, refers to the inventory cost coefficient, , , Refers to the weight coefficient;

[0103] It should be specifically explained in this embodiment that the weight coefficient , , It is calculated by the entropy method, and the specific calculation steps of the entropy method are as follows:

[0104] Data standardization: Since the measurement units of various indicators may be different, in order to eliminate the impact of the dimension, the collected data needs to be standardized. Commonly used standardization methods include Z-score standardization and range method standardization;

[0105] Calculate the proportion of indicators: Calculate the proportion of the zth sample value under the jth indicator to the sum of all sample values ​​of the indicator. This step is the basis for the subsequent calculation of information entropy;

[0106] Calculate information entropy: According to the definition and calculation formula of information entropy, calculate the information entropy ej of the jth indicator. The smaller the information entropy, the greater the degree of variation of the indicator and the greater the amount of information provided;

[0107] Calculate information entropy redundancy: Information entropy redundancy dj is the complement of information entropy, that is, dj=1-ej. The greater the information entropy redundancy, the more information the indicator contains, and the greater the impact on the comprehensive evaluation;

[0108] Calculate weight: Calculate the weight of each indicator in the comprehensive evaluation according to its information entropy redundancy. The weight coefficient is the ratio of the information entropy redundancy of each indicator to the sum of the information entropy redundancy of all indicators.

[0109] S5: Comprehensive judgment of printer consumables inventory: used to filter out the second key text whose text output value is less than the preset value;

[0110] What needs to be specifically explained in this embodiment is that the preset value is a warning value for evaluating the inventory safety level, procurement risk and inventory cost in the printing consumables inventory obtained based on daily practice. When the text output value is lower than the preset value, it means that the inventory safety level of this type of printing consumables is low, the procurement risk is high and the inventory cost is high, and the inventory cost of this type of printing consumables needs to be reduced.

[0111] S6: Human-computer interaction: used to import the comparison results into the user information terminal.

[0112] It should be specifically explained in this embodiment that the user information terminal is used to upload the text output value whose comparison result is lower than the preset value to the user information terminal, so as to help the user filter out the printing consumables that do not meet the inventory requirements.

[0113] As attached Figure 2 A printing consumables inventory cost prediction system based on big data analysis is shown, comprising: a system central processing unit module, a system operation database and a user information terminal, and also comprising a printing consumables inventory information acquisition module, a printing consumables inventory information text mining module, a data standardization processing module, a printer consumables inventory comprehensive analysis module, a printer consumables inventory comprehensive judgment module and a human-computer interaction module;

[0114] The system operation database includes all data texts of the printing consumables inventory cost prediction system based on big data analysis, and collects information texts output by each module in real time. The system central processor module is used to centrally control the information text instructions output by each module, and the user information terminal is an information output device for receiving the printing consumables inventory cost prediction system based on big data analysis;

[0115] The printing consumables inventory information acquisition module: filters the printer consumables feature text data according to different printer device types to obtain the printer consumables feature text data, and the filtering times are recorded as 1, 2, 3...i...n, i and n refer to the types of printer devices, that is, if there are i types of printers, the filtering is i times, and if there are n types of printers, the filtering is n times, and each filtering contains all the feature text data of the printing consumables required by the printer device of the type in the database;

[0116] As attached Figure 3 The printing consumables inventory information text mining module shown includes a consumables inventory information collection unit, a consumables purchase information collection unit and a consumables use information collection unit, and is used to select a first key text from the printer consumables feature text data to obtain a first key text;

[0117] The data standardization processing module is used to perform standardization processing and analysis on the first key text data to obtain the second key text;

[0118] The printer consumables inventory comprehensive analysis module is used to import the second key text data into the mathematical model of the safety stock level coefficient, the mathematical model of the procurement risk coefficient, the mathematical model of the inventory cost coefficient and the mathematical model of the inventory health comprehensive evaluation coefficient, and process and analyze them to obtain a text output value based on the second key text;

[0119] The mathematical model of the safety stock level coefficient is as follows:

[0120] = , where AN refers to the safety stock level coefficient, Refers to the inventory volume in the second key text of the i-th screening, Refers to the inventory turnover rate in the second key text of the i-th screening, Refers to the average number of out-of-stock times per quarter in the second key text of the i-th screening, Refers to the safety stock in the second key text of the i-th screening, Refers to the average inventory turnover rate in the second key text of the i-th screening, Refers to other influencing factors;

[0121] The mathematical model of the procurement risk coefficient is as follows:

[0122] = , where BN refers to the procurement risk factor, Refers to the inventory volume in the second key text of the i-th screening, Refers to the purchase price of consumables in the second key text of the i-th screening, Refers to the purchase quantity of consumables in the second key text of the i-th screening, Refers to the consumables procurement cycle in the second key text of the i-th screening, Refers to the consumption of consumables in the second key text of the i-th screening, Refers to the economic order quantity in the second key text of the i-th screening, Refers to other influencing factors;

[0123] The mathematical model of the inventory cost coefficient is as follows:

[0124] = , where CN refers to the inventory cost coefficient, Refers to the consumables procurement cost in the second key text of the i-th screening, Refers to the storage cost of consumables in the second key text of the i-th screening, refers to the shortage cost of consumables in the second key text of the i-th screening, Refers to the ordering cost of consumables in the second key text of the i-th screening, Refers to the total cost of the enterprise in the second key text of the i-th screening, Refers to other influencing factors;

[0125] The printer consumables inventory comprehensive judgment module is used to filter out the second key text whose text output value is less than the preset value;

[0126] The human-computer interaction module is used to import the comparison results into the user information terminal.

[0127] Secondly: In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

[0128] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A printing consumables inventory cost prediction method based on big data analysis, characterized in that: include: S1: Acquisition of printing consumables inventory information: Filtering the characteristic text data of printer consumables according to different types of printer devices to obtain the characteristic text data of printer consumables. The number of filtering times is recorded as 1, 2, 3, ..., i, ..., n, where i and n refer to the types of printer devices. That is, if there are i types of printers, the filtering is done i times, and if there are n types of printers, the filtering is done n times. Each time, all the characteristic text data of the printing consumables required by the printer device in the database are filtered; S2: Text mining of printing consumables inventory information: including steps of collecting consumables inventory information, collecting consumables purchase information and collecting consumables usage information, for selecting a first key text from the printer consumables feature text data to obtain a first key text; S3: Data standardization processing: used to perform standardization processing and analysis on the first key text data to obtain the second key text; S4: Comprehensive analysis of printer consumables inventory: used to import the second key text data into the mathematical model of the safety stock level coefficient, the mathematical model of the procurement risk coefficient, the mathematical model of the inventory cost coefficient and the mathematical model of the comprehensive evaluation coefficient of inventory health, and process and analyze them to obtain a text output value based on the second key text; The mathematical model of the safety stock level coefficient is as follows: = , where AN refers to the safety stock level coefficient, refers to the inventory volume of the i-th screening, refers to the inventory turnover rate of the i-th screening, refers to the average number of out-of-stocks per quarter for the i-th screening, Refers to the safety stock volume of the i-th screening, refers to the average inventory turnover rate of the i-th screening, Refers to other influencing factors; The mathematical model of the procurement risk coefficient is as follows: = , where BN refers to the procurement risk factor, refers to the inventory volume of the i-th screening, Refers to the purchase price of the consumables screened for the i-th time, Refers to the purchase quantity of consumables screened for the i-th time, Refers to the consumables procurement cycle of the i-th screening, Refers to the consumption of consumables in the i-th screening, refers to the economic order quantity of the i-th screening, Refers to other influencing factors; The mathematical model of the inventory cost coefficient is as follows: = , where CN refers to the inventory cost coefficient, Refers to the consumables procurement cost for the i-th screening, refers to the storage cost of consumables for the i-th screening, refers to the shortage cost of consumables in the i-th screening, refers to the ordering cost of consumables for the i-th screening, refers to the total cost of the enterprise screened in the i-th time, Refers to other influencing factors; S5: Comprehensive judgment of printer consumables inventory: used to filter out the second key text whose text output value is less than the preset value; S6: Human-computer interaction: used to import the comparison results into the user information terminal.

2. The method for predicting the inventory cost of printing consumables based on big data analysis according to claim 1, characterized in that: The first key text in the printing consumables inventory information text mining step is as follows: The first key text specifically refers to inventory quantity parameters, inventory turnover rate parameters, average quarterly out-of-stock times parameters, consumables purchase price parameters, consumables purchase quantity parameters, consumables purchase cycle parameters, consumables consumption parameters, safety stock parameters, economic order quantity parameters, consumables purchase cost parameters, consumables storage cost parameters, consumables out-of-stock cost parameters, consumables ordering cost parameters, and enterprise total cost parameters; The inventory parameter refers to the inventory of the i-th screening ; The inventory turnover rate parameter refers to the inventory turnover rate of the i-th screening ; The average number of out-of-stock times per quarter parameter refers to the average number of out-of-stock times per quarter for the i-th screening ; The consumables purchase price parameter refers to the consumables purchase price of the i-th screening ; The consumables purchase quantity parameter refers to the consumables purchase quantity screened for the i-th time. ; The consumables procurement cycle parameter refers to the consumables procurement cycle of the i-th screening ; The consumables consumption parameter refers to the consumables consumption of the i-th screening ; The safety stock parameter refers to the safety stock of the i-th screening ; The economic order quantity parameter refers to the economic order quantity of the i-th screening ; The consumables procurement cost parameter refers to the consumables procurement cost of the i-th screening ; The consumable storage cost parameter refers to the consumable storage cost of the i-th screening ; The consumables out-of-stock cost parameter refers to the consumables out-of-stock cost of the i-th screening ; The consumables ordering cost parameter refers to the consumables ordering cost of the i-th screening ; The total enterprise cost parameter refers to the total cost of the enterprise screened for the i-th time .

3. The method for predicting printing consumables inventory cost based on big data analysis according to claim 1, characterized in that: The mathematical model of the comprehensive evaluation coefficient of inventory health is as follows: = ,in Refers to the comprehensive evaluation coefficient of inventory health. Refers to the safety stock level coefficient, Refers to the procurement risk factor, refers to the inventory cost coefficient, , , Refers to the weight coefficient.

4. A printing consumables inventory cost prediction system based on big data analysis, used to implement the printing consumables inventory cost prediction method based on big data analysis described in any one of claims 1 to 3, comprising: The system central processing unit module, the system operation database and the user information terminal are characterized in that they also include: a printing consumables inventory information acquisition module, a printing consumables inventory information text mining module, a data standardization processing module, a printer consumables inventory comprehensive analysis module, a printer consumables inventory comprehensive judgment module and a human-computer interaction module; The system operation database includes all data texts of the printing consumables inventory cost prediction system based on big data analysis, and collects information texts output by each module in real time. The system central processor module is used to centrally control the information text instructions output by each module, and the user information terminal is an information output device for receiving the printing consumables inventory cost prediction system based on big data analysis; The printing consumables inventory information acquisition module: filters the printer consumables feature text data according to different printer device types to obtain the printer consumables feature text data, and the filtering times are recorded as 1, 2, 3, ..., i, ..., n in sequence, where i and n refer to the type of printer device, that is, if there are i types of printers, the filtering is i times, and if there are n types of printers, the filtering is n times, and each time all the feature text data of the printing consumables required by the printer device in the database are filtered; The printing consumables inventory information text mining module includes a consumables inventory information collection unit, a consumables purchase information collection unit and a consumables use information collection unit, and is used to select a first key text from the printer consumables feature text data to obtain a first key text; The data standardization processing module is used to perform standardization processing and analysis on the first key text data to obtain the second key text; The printer consumables inventory comprehensive analysis module is used to import the second key text data into the mathematical model of the safety stock level coefficient, the mathematical model of the procurement risk coefficient, the mathematical model of the inventory cost coefficient and the mathematical model of the inventory health comprehensive evaluation coefficient, and process and analyze them to obtain a text output value based on the second key text; The mathematical model of the safety stock level coefficient is as follows: = , where AN refers to the safety stock level coefficient, refers to the inventory volume of the i-th screening, refers to the inventory turnover rate of the i-th screening, refers to the average number of out-of-stocks per quarter for the i-th screening, Refers to the safety stock volume of the i-th screening, refers to the average inventory turnover rate of the i-th screening, Refers to other influencing factors; The mathematical model of the procurement risk coefficient is as follows: = , where BN refers to the procurement risk factor, refers to the inventory volume of the i-th screening, Refers to the purchase price of the consumables screened for the i-th time, Refers to the purchase quantity of consumables screened for the i-th time, Refers to the consumables procurement cycle of the i-th screening, Refers to the consumption of consumables in the i-th screening, refers to the economic order quantity of the i-th screening, Refers to other influencing factors; The mathematical model of the inventory cost coefficient is as follows: = , where CN refers to the inventory cost coefficient, Refers to the consumables procurement cost for the i-th screening, refers to the storage cost of consumables for the i-th screening, refers to the shortage cost of consumables in the i-th screening, refers to the ordering cost of consumables for the i-th screening, refers to the total cost of the enterprise screened in the i-th time, Refers to other influencing factors; The printer consumables inventory comprehensive judgment module is used to filter out the second key text whose text output value is less than the preset value; The human-computer interaction module is used to import the comparison result into the user information terminal.

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