CN116627759B - Financial payment equipment circuit safety detection device - Google Patents
Financial payment equipment circuit safety detection device Download PDFInfo
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- CN116627759B CN116627759B CN202310574149.XA CN202310574149A CN116627759B CN 116627759 B CN116627759 B CN 116627759B CN 202310574149 A CN202310574149 A CN 202310574149A CN 116627759 B CN116627759 B CN 116627759B
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- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
- G01R31/2834—Automated test systems [ATE]; using microprocessors or computers
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- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/04—Payment circuits
- G06Q20/06—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme
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Abstract
The invention discloses a circuit safety detection device of financial payment equipment, which relates to the technical field of circuit safety detection and comprises the following contents: and (3) running a simulation module: the operation simulation module is used for simulating the operation conditions of all circuit elements in the circuit and corresponding output parameters and response time under all operation conditions; the circuit information acquisition module: the circuit information acquisition module is used for acquiring to-be-detected running conditions, to-be-detected output parameters and to-be-detected response time of a circuit of the financial payment equipment; and an operation condition setting module: the operation conditions are used for setting normal operation conditions and at least one aging operation condition for the operation simulation module; and a safety detection module: the safety detection module is used for acquiring output data of the operation simulation module and the circuit information acquisition module, and calculating the aging degree of the element to be detected according to a preset safety detection model.
Description
Technical Field
The invention relates to the technical field of circuit safety detection, in particular to a circuit safety detection device of financial payment equipment.
Background
Financial payment devices such as POS devices are highly integrated electronic devices. The card reader reads the information of the magnetic stripe of the card holder on the bank card, the cashier inputs the transaction amount and the card holder inputs the password, then the information is sent to the card-sending bank system through the Unionpay center, the online transaction is completed, the success or failure information is given, and the corresponding bill is printed. The complex functions and use environment determine the power supply mode of the financial payment device: the mobile file is provided with a section of 8.4V file battery, so that the mobile operation is convenient; and because the duration of the elsen battery is limited, it needs an external power supply and a charging circuit. In order to achieve higher conversion efficiency and lower energy consumption, the financial payment device usually adopts highly integrated PMU power management (power management unit) chips, inductive DC-DC voltage converters, LDO (linear voltage regulator) and other power circuits, various protection circuits are added to avoid damage to the device due to misoperation of a user, and meanwhile, a detection circuit is added to accurately evaluate the health state of the circuit, and has important significance for health, safety and stability operation of electronic equipment. The health state of the circuit is rapidly and accurately estimated, and before the circuit is thoroughly developed to a fault state, maintenance measures are taken in advance to prevent the accumulation of fault effects, so that the safety risk can be reduced, and the maintenance cost is reduced. However, the existing method for evaluating the corresponding health state of the detection circuit mainly starts from the output characteristic parameters of the circuit, and only the result of the reduced performance of the circuit can be obtained, but the degree of the reduced performance is difficult to control.
Disclosure of Invention
In order to overcome the defects, the invention provides the circuit safety detection device of the financial payment equipment, and the circuit safety detection device adopts the operation simulation module to simulate circuit elements in the simulation circuit under different operation conditions in advance, so that the simulation mode can obtain the states of the circuit under various operation price adjustment, the aging degree of the circuit can be calculated through the safety detection model, the aging degree of the circuit can be accurately and rapidly calculated, the aging degree of the circuit can be accurately controlled, and the purpose of detecting the safety of the circuit in real time is achieved.
In one aspect, a circuit security detection device for a financial payment device is provided, including:
and (3) running a simulation module: the operation simulation module is used for simulating the operation conditions of all circuit elements in the circuit and corresponding output parameters and response time under all operation conditions;
the circuit information acquisition module: the circuit information acquisition module is used for acquiring to-be-detected running conditions, to-be-detected output parameters and to-be-detected response time of a circuit of the financial payment equipment;
and an operation condition setting module: the operation conditions are used for setting normal operation conditions and at least one aging operation condition for the operation simulation module;
and a safety detection module: the safety detection module is used for acquiring output data of the operation simulation module and the circuit information acquisition module, and calculating the aging degree of the element to be detected according to a preset safety detection model.
As a preferred alternative to this,
the system also comprises a curve drawing module and a remote transmission module;
the curve drawing module is used for drawing the aging degree of the circuit element into a curve chart according to the acquisition time;
the remote transmission module is used for remotely transmitting the curve graph to the intelligent terminal.
In a second aspect, a method for detecting circuit security of a financial payment device is provided, including the steps of:
acquiring sample circuit information, and simulating operation conditions of circuit elements in each sample circuit and corresponding output parameters and response time under each operation condition by adopting simulation software in advance, wherein the operation conditions comprise normal operation conditions and at least one aging operation condition;
acquiring circuit information of financial payment equipment, and calculating the aging degree of each circuit element in the circuit to be tested based on a preset safety detection model, wherein the circuit information to be tested comprises a running condition to be tested, an output parameter to be tested and response time to be tested;
and integrating the aging degree of each circuit element in the circuit to be tested according to the acquisition time, drawing a curve chart, and remotely transmitting the curve chart to an intelligent terminal.
As a preferred alternative to this,
the operation conditions comprise center frequency, passband bandwidth, maximum voltage amplitude and input parameter conditions; the response time is the shortest time for the response of the circuit element to the input parameter condition.
Preferably, when the safety detection model is established, the method specifically comprises the following steps:
establishing an initial detection model for representing a correlation between the operating conditions and the output parameters and response time;
and setting critical output parameters and critical response time of each circuit element based on critical aging operation conditions of each circuit element, substituting the critical output parameters and the critical response time into the initial model, and carrying out fitting regression on the critical output parameters and the critical response time to determine model parameter values so as to obtain a safety detection model.
Preferably, after the security detection model is obtained, a real-time evaluation model is determined by adopting a dissimilarity measure mode, and the specific steps are as follows:
calculating the dissimilarity measure value of the output parameters to be tested, the response time to be tested and the output parameters and response time of the circuit elements of the same type under each operation condition;
and selecting a circuit evaluation model corresponding to the minimum dissimilarity measure value as a real-time evaluation model.
Preferably, the method includes the steps of collecting information of a circuit to be tested, and calculating the aging degree of each circuit element in the circuit to be tested based on a preset safety detection model, wherein the method further comprises the following steps:
setting standard response time of the circuit element according to the corresponding response time of the circuit element in the sample circuit under normal operation condition in advance;
setting a pre-test operation condition for a circuit element in a circuit to be tested, and collecting pre-test time generated by returning an output parameter of the circuit element under the pre-test operation condition;
if the pre-test time is smaller than or equal to the standard response time, re-executing the acquisition process of the standard response time, and after the standard response time is reduced, re-executing the acquisition process of the pre-test time until the pre-test time is larger than the standard response time, and taking the standard response time set at the previous time as the standard response time; if the pre-test time is longer than the standard response time, re-executing the standard response time acquisition process, increasing the standard response time, and executing the pre-test time acquisition process again until the predicted time is shorter than the standard response time, and taking the standard response time set at the previous time as the standard response time;
substituting the reference response time as critical response time into the initial detection model to obtain the safety detection model.
Preferably, the safety detection model is specifically shown in the following formula.
Wherein, alpha represents a circuit performance index, q represents a circuit element response rate, s represents a circuit element response accuracy, d represents a dissimilarity measure, and R represents an aging degree.
In a third aspect, an electronic device is provided that includes a memory, a processor, and a computer program stored on the memory and executable on the processor, the processor implementing the financial payment device circuit security detection method when executing the program.
In a fourth aspect, a non-transitory computer readable storage medium is provided, on which a computer program is stored, which when executed by a processor implements the financial payment device circuit security detection method.
The beneficial effects of the invention are as follows:
the invention adopts the operation simulation module to simulate the circuit elements in the simulation circuit under different operation conditions in advance, wherein the operation conditions comprise a center frequency, a passband bandwidth, a maximum voltage amplitude and input parameter conditions, the values of the center frequency, the passband bandwidth and the maximum voltage amplitude represent different aging degrees of the circuit, the input parameter conditions are standards for checking the accuracy of the output parameters of the circuit, the accuracy of the output parameters of the circuit is also an important standard for aging detection, the simulation mode can obtain the states of the circuit under various operation price adjustment, the parameters of a circuit to be tested can be directly analyzed and processed after being directly extracted, the analysis and processing adopts a safety detection model in the safety detection module, the aging degree of the circuit is calculated through the safety detection model, the aging degree of the circuit can be accurately and rapidly calculated, and the aging degree of the circuit can be accurately controlled, so that the aim of detecting the safety of the circuit in real time is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, the various circuit elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of a circuit security detection device for a financial payment device according to the present invention;
fig. 2 is a flowchart of a method for detecting the circuit security of a financial payment device according to the present invention.
Detailed Description
Embodiments of the technical scheme of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and thus are merely examples, and are not intended to limit the scope of the present invention.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention pertains.
In embodiment 1, as shown in fig. 1, a circuit security detection device of a financial payment apparatus includes the following:
and (3) running a simulation module: the operation simulation module is used for simulating the operation conditions of all circuit elements in the circuit and corresponding output parameters and response time under all operation conditions;
the circuit information acquisition module: the circuit information acquisition module is used for acquiring to-be-detected running conditions, to-be-detected output parameters and to-be-detected response time of a circuit of the financial payment equipment;
and an operation condition setting module: the operation conditions are used for setting normal operation conditions and at least one aging operation condition for the operation simulation module;
and a safety detection module: the safety detection module is used for acquiring output data of the operation simulation module and the circuit information acquisition module, and calculating the aging degree of the element to be detected according to a preset safety detection model.
In the scheme, an operation simulation module is adopted to simulate circuit elements in an analog circuit in advance under different operation conditions, wherein the operation conditions comprise a center frequency, a passband bandwidth, a maximum voltage amplitude and input parameter conditions, the center frequency, the passband bandwidth and the maximum voltage amplitude are different in value and represent different ageing degrees of the circuit, the input parameter conditions are standards for checking the accuracy of output parameters of the circuit, the accuracy of the output parameters of the circuit is also an important standard for ageing detection, the simulation mode can obtain the states of the circuit under various operation price adjustment, the analysis processing can be directly carried out on the parameters after each parameter of one circuit to be detected is directly extracted in the follow-up process, the analysis processing adopts a safety detection model in a safety detection module, the ageing degree of the circuit is calculated through the safety detection model, the ageing degree of the circuit can be accurately and rapidly calculated, and the ageing degree of the circuit can be accurately controlled, so that the aim of detecting the safety of the circuit in real time is achieved.
More specifically, the method comprises the steps of,
the system also comprises a curve drawing module and a remote transmission module;
the curve drawing module is used for drawing the aging degree of the circuit element into a curve chart according to the acquisition time;
the remote transmission module is used for remotely transmitting the curve graph to the intelligent terminal.
The curve module generates a real-time aging degree curve graph and sends the curve graph to the intelligent terminal, so that an operator can remotely check the circuit aging condition of the financial payment equipment in real time, and remote intelligent monitoring is realized.
In embodiment 2, as shown in fig. 2, a method for detecting the circuit security of a financial payment device includes the following steps:
acquiring sample circuit information, and simulating operation conditions of circuit elements in each sample circuit and corresponding output parameters and response time under each operation condition by adopting simulation software in advance, wherein the operation conditions comprise normal operation conditions and at least one aging operation condition;
acquiring circuit information of financial payment equipment, and calculating the aging degree of each circuit element in the circuit to be tested based on a preset safety detection model, wherein the circuit information to be tested comprises a running condition to be tested, an output parameter to be tested and response time to be tested;
and integrating the aging degree of each circuit element in the circuit to be tested according to the acquisition time, drawing a curve chart, and remotely transmitting the curve chart to an intelligent terminal.
It can be understood that the method for detecting the circuit security of the financial payment device provided by the present invention corresponds to the device for detecting the circuit security of the financial payment device provided by the foregoing embodiments, and the relevant technical features of the method for detecting the circuit security of the financial payment device may refer to the relevant technical features of the device for detecting the circuit security of the financial payment device, which are not described herein again.
More specifically, the method comprises the steps of,
the operation conditions comprise center frequency, passband bandwidth, maximum voltage amplitude and input parameter conditions; the response time is the shortest time for the response of the circuit element to the input parameter condition.
The different values of the center frequency, passband bandwidth and maximum voltage amplitude represent different ageing degrees of the circuit, and the input parameter condition is a standard for checking the correctness of the output parameter of the circuit, and the correctness of the output parameter of the circuit is an important standard for ageing detection.
More specifically, when the security detection model is established, the method specifically comprises the following steps:
establishing an initial detection model for representing a correlation between the operating conditions and the output parameters and response time;
and setting critical output parameters and critical response time of each circuit element based on critical aging operation conditions of each circuit element, substituting the critical output parameters and the critical response time into the initial model, and carrying out fitting regression on the critical output parameters and the critical response time to determine model parameter values so as to obtain a safety detection model.
Taking a two-dimensional circuit evaluation model as an example, setting up a plurality of two-dimensional polynomials and parameters to be determined by an initial model, and subsequently acquiring a plurality of groups of sample data to be substituted into the initial model to determine a final circuit evaluation model; taking the neural network model as an example, the neural network model optionally but not limited to the neural network model comprises p layers (horizontal direction), each layer comprises q neurons (vertical direction), and a weight coefficient and a bias term coefficient are configured corresponding to each neuron.
More specifically, after the security detection model is obtained, a real-time evaluation model is determined by adopting a dissimilarity measure mode, and the specific steps are as follows:
calculating the dissimilarity measure value of the output parameters to be tested, the response time to be tested and the output parameters and response time of the circuit elements of the same type under each operation condition;
and selecting a circuit evaluation model corresponding to the minimum dissimilarity measure value as a real-time evaluation model.
More specifically, the method comprises the steps of collecting information of a circuit to be detected, and calculating the aging degree of each circuit element in the circuit to be detected based on a preset safety detection model, wherein the method further comprises the following steps:
setting standard response time of the circuit element according to the corresponding response time of the circuit element in the sample circuit under normal operation condition in advance;
setting a pre-test operation condition for a circuit element in a circuit to be tested, and collecting pre-test time generated by returning an output parameter of the circuit element under the pre-test operation condition;
if the pre-test time is smaller than or equal to the standard response time, re-executing the acquisition process of the standard response time, and after the standard response time is reduced, re-executing the acquisition process of the pre-test time until the pre-test time is larger than the standard response time, and taking the standard response time set at the previous time as the standard response time; if the pre-test time is longer than the standard response time, re-executing the standard response time acquisition process, increasing the standard response time, and executing the pre-test time acquisition process again until the predicted time is shorter than the standard response time, and taking the standard response time set at the previous time as the standard response time;
substituting the reference response time as critical response time into the initial detection model to obtain the safety detection model.
More specifically, the safety detection model is specifically shown in the following formula.
Wherein, alpha represents a circuit performance index, q represents a circuit element response rate, s represents a circuit element response accuracy, d represents a dissimilarity measure, and R represents an aging degree.
The response speed of the element is the ratio of the response time to be measured to the critical response time, and the response accuracy of the element is the ratio of the output parameter to be measured to the critical output parameter.
In embodiment 3, an electronic device is provided that includes a memory, a processor, and a computer program stored on the memory and executable on the processor, the processor implementing the financial payment device circuit security detection method when executing the program.
The memory may include, among other things, mass storage for data or instructions. By way of example, and not limitation, the memory may comprise a hard disk drive, floppy disk drive, solid state drive, flash memory, optical disk, magneto-optical disk, magnetic tape, or universal serial bus drive, or a combination of two or more of the foregoing. The memory may include removable or non-removable (or fixed) media, where appropriate. The memory may be internal or external to the data processing apparatus, where appropriate. In a particular embodiment, the memory is a non-volatile memory. In particular embodiments, the Memory includes Read-Only Memory (ROM) and random access Memory. The ROM may be mask programmed ROM, programmable ROM (PROM for short), erasable PROM, electrically rewritable ROM or FLASH Memory (FLASH), or a combination of two or more of these, where appropriate. The RAM may be static random access memory) or dynamic random access memory (Dynamic Random Access Memory, simply DRAM) where the DRAM may be a fast page mode dynamic random access memory, extended data output dynamic random access memory, synchronous dynamic random access memory, or the like, where appropriate.
The memory may be used to store or cache various data files that need to be processed and/or communicated, as well as possible computer program instructions for execution by the processor.
The processor reads and executes the computer program instructions stored in the memory to implement any of the financial payment device circuit security detection methods of the above embodiments.
In embodiment 4, a non-transitory computer-readable storage medium is provided, on which a computer program is stored, which when executed by a processor, implements the financial payment device circuit security detection method.
The readable storage medium includes flash memory, a removable hard disk, a multimedia card, a card type memory, a magnetic disk, an optical disk, and the like. The readable storage medium may in some embodiments be an internal storage unit of an electronic device, such as a mobile hard disk of the electronic device. The readable storage medium may in other embodiments also be an external storage device of the electronic device, such as a plug-in mobile hard disk, a smart memory card, a secure digital card, a flash memory card, etc. provided on the electronic device. The readable storage medium may also include both internal storage units and external storage devices of the electronic device. The readable storage medium may be used not only to store application software installed in an electronic device and various types of data, but also to temporarily store data that has been output or is to be output.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description.
Claims (9)
1. The circuit safety detection device of the financial payment equipment is characterized by comprising the following components:
and (3) running a simulation module: the operation simulation module is used for simulating the operation conditions of all circuit elements in the circuit and corresponding output parameters and response time under all operation conditions;
the circuit information acquisition module: the circuit information acquisition module is used for acquiring to-be-detected running conditions, to-be-detected output parameters and to-be-detected response time of a circuit of the financial payment equipment;
and an operation condition setting module: the operation conditions are used for setting normal operation conditions and at least one aging operation condition for the operation simulation module;
and a safety detection module: the safety detection module is used for acquiring output data of the operation simulation module and the circuit information acquisition module, and calculating the aging degree of the element to be detected according to a preset safety detection model, wherein the safety detection model is specifically shown in the following formula
Wherein, alpha represents a circuit performance index, q represents a circuit element response rate, s represents a circuit element response accuracy, d represents a dissimilarity measure, and R represents an aging degree.
2. The apparatus of claim 1, wherein the circuit security detection device comprises,
the system also comprises a curve drawing module and a remote transmission module;
the curve drawing module is used for drawing the aging degree of the circuit element into a curve chart according to the acquisition time;
the remote transmission module is used for remotely transmitting the curve graph to the intelligent terminal.
3. The method for detecting the circuit safety of the financial payment equipment is characterized by comprising the following steps of:
acquiring sample circuit information, and simulating operation conditions of circuit elements in each sample circuit and corresponding output parameters and response time under each operation condition by adopting simulation software in advance, wherein the operation conditions comprise normal operation conditions and at least one aging operation condition;
acquiring circuit information of financial payment equipment, and calculating the aging degree of each circuit element in a circuit to be detected based on a preset safety detection model, wherein the circuit information to be detected comprises a running condition to be detected, an output parameter to be detected and response time to be detected;
integrating the aging degree of each circuit element in the circuit to be tested according to the acquisition time, drawing a curve chart, and remotely transmitting the curve chart to an intelligent terminal;
the safety detection model is specifically shown as follows
Wherein, alpha represents a circuit performance index, q represents a circuit element response rate, s represents a circuit element response accuracy, d represents a dissimilarity measure, and R represents an aging degree.
4. The method for circuit security detection of a financial payment device of claim 3,
the operation conditions comprise center frequency, passband bandwidth, maximum voltage amplitude and input parameter conditions; the response time is the shortest time for the response of the circuit element to the input parameter condition.
5. A method for detecting the circuit security of a financial payment device according to claim 3, wherein the method for establishing the security detection model comprises the steps of:
establishing an initial detection model for representing a correlation between the operating conditions and the output parameters and response time;
and setting critical output parameters and critical response time of each circuit element based on critical aging operation conditions of each circuit element, substituting the critical output parameters and the critical response time into the initial detection model, and carrying out fitting regression on the critical output parameters and the critical response time to determine model parameter values so as to obtain a safety detection model.
6. The method for detecting the circuit security of a financial payment device according to claim 5, wherein the method for determining the real-time evaluation model by using the dissimilarity measure after obtaining the security detection model comprises the following steps:
calculating the dissimilarity measure value of the output parameters to be tested, the response time to be tested and the output parameters and response time of the circuit elements of the same type under each operation condition;
and selecting a circuit evaluation model corresponding to the minimum dissimilarity measure value as a real-time evaluation model.
7. The method for detecting the circuit security of a financial payment device according to claim 6, wherein when collecting the information of the circuit to be detected and calculating the aging degree of each circuit element in the circuit to be detected based on a preset security detection model, further comprising the steps of:
setting standard response time of the circuit element according to the corresponding response time of the circuit element in the sample circuit under normal operation condition in advance;
setting a pre-test operation condition for a circuit element in a circuit to be tested, and collecting pre-test time generated by returning an output parameter of the circuit element under the pre-test operation condition;
if the pre-test time is smaller than or equal to the standard response time, re-executing the acquisition process of the standard response time, and after the standard response time is reduced, re-executing the acquisition process of the pre-test time until the pre-test time is larger than the standard response time, and taking the standard response time set at the previous time as the standard response time; if the pre-test time is longer than the standard response time, re-executing the standard response time acquisition process, and increasing the standard response time, and executing the pre-test time acquisition process again until the pre-test time is shorter than the standard response time, wherein the standard response time set at the previous time is taken as the standard response time;
substituting the reference response time as critical response time into the initial detection model to obtain the safety detection model.
8. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method of circuit security detection for a financial payment device as claimed in any one of claims 1 to 6 when the program is executed by the processor.
9. A non-transitory computer readable storage medium having stored thereon a computer program, wherein the computer program when executed by a processor implements the financial payment device circuit security detection method of any of claims 1 to 6.
Priority Applications (1)
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CN202310574149.XA CN116627759B (en) | 2023-05-19 | 2023-05-19 | Financial payment equipment circuit safety detection device |
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CN202310574149.XA CN116627759B (en) | 2023-05-19 | 2023-05-19 | Financial payment equipment circuit safety detection device |
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CN116627759A CN116627759A (en) | 2023-08-22 |
CN116627759B true CN116627759B (en) | 2024-02-27 |
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